Chris Lattner | 7ad0fbe | 2006-11-05 07:46:30 +0000 | [diff] [blame] | 1 | //===--- ParseDecl.cpp - Declaration Parsing ------------------------------===// |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 5b12ab8 | 2007-12-29 19:59:25 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements the Declaration portions of the Parser interfaces. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "clang/Parse/Parser.h" |
Chris Lattner | 60f3622 | 2009-01-29 05:15:15 +0000 | [diff] [blame] | 15 | #include "clang/Parse/ParseDiagnostic.h" |
John McCall | 8b0666c | 2010-08-20 18:27:03 +0000 | [diff] [blame] | 16 | #include "clang/Sema/Scope.h" |
| 17 | #include "clang/Sema/ParsedTemplate.h" |
Chris Lattner | 8a9a97a | 2009-12-10 00:21:05 +0000 | [diff] [blame] | 18 | #include "RAIIObjectsForParser.h" |
Chris Lattner | ad9ac94 | 2007-01-23 01:14:52 +0000 | [diff] [blame] | 19 | #include "llvm/ADT/SmallSet.h" |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 20 | using namespace clang; |
| 21 | |
| 22 | //===----------------------------------------------------------------------===// |
| 23 | // C99 6.7: Declarations. |
| 24 | //===----------------------------------------------------------------------===// |
| 25 | |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 26 | /// ParseTypeName |
| 27 | /// type-name: [C99 6.7.6] |
| 28 | /// specifier-qualifier-list abstract-declarator[opt] |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 29 | /// |
| 30 | /// Called type-id in C++. |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 31 | Action::TypeResult Parser::ParseTypeName(SourceRange *Range) { |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 32 | // Parse the common declaration-specifiers piece. |
| 33 | DeclSpec DS; |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 34 | ParseSpecifierQualifierList(DS); |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 35 | |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 36 | // Parse the abstract-declarator, if present. |
| 37 | Declarator DeclaratorInfo(DS, Declarator::TypeNameContext); |
| 38 | ParseDeclarator(DeclaratorInfo); |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 39 | if (Range) |
| 40 | *Range = DeclaratorInfo.getSourceRange(); |
| 41 | |
Chris Lattner | f6d1c9c | 2009-04-25 08:06:05 +0000 | [diff] [blame] | 42 | if (DeclaratorInfo.isInvalidType()) |
Douglas Gregor | 220cac5 | 2009-02-18 17:45:20 +0000 | [diff] [blame] | 43 | return true; |
| 44 | |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 45 | return Actions.ActOnTypeName(getCurScope(), DeclaratorInfo); |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 46 | } |
| 47 | |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 48 | /// ParseGNUAttributes - Parse a non-empty attributes list. |
Chris Lattner | b8cd5c2 | 2006-08-15 04:10:46 +0000 | [diff] [blame] | 49 | /// |
| 50 | /// [GNU] attributes: |
| 51 | /// attribute |
| 52 | /// attributes attribute |
| 53 | /// |
| 54 | /// [GNU] attribute: |
| 55 | /// '__attribute__' '(' '(' attribute-list ')' ')' |
| 56 | /// |
| 57 | /// [GNU] attribute-list: |
| 58 | /// attrib |
| 59 | /// attribute_list ',' attrib |
| 60 | /// |
| 61 | /// [GNU] attrib: |
| 62 | /// empty |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 63 | /// attrib-name |
| 64 | /// attrib-name '(' identifier ')' |
| 65 | /// attrib-name '(' identifier ',' nonempty-expr-list ')' |
| 66 | /// attrib-name '(' argument-expression-list [C99 6.5.2] ')' |
Chris Lattner | b8cd5c2 | 2006-08-15 04:10:46 +0000 | [diff] [blame] | 67 | /// |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 68 | /// [GNU] attrib-name: |
| 69 | /// identifier |
| 70 | /// typespec |
| 71 | /// typequal |
| 72 | /// storageclass |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 73 | /// |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 74 | /// FIXME: The GCC grammar/code for this construct implies we need two |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 75 | /// token lookahead. Comment from gcc: "If they start with an identifier |
| 76 | /// which is followed by a comma or close parenthesis, then the arguments |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 77 | /// start with that identifier; otherwise they are an expression list." |
| 78 | /// |
| 79 | /// At the moment, I am not doing 2 token lookahead. I am also unaware of |
| 80 | /// any attributes that don't work (based on my limited testing). Most |
| 81 | /// attributes are very simple in practice. Until we find a bug, I don't see |
| 82 | /// a pressing need to implement the 2 token lookahead. |
Chris Lattner | b8cd5c2 | 2006-08-15 04:10:46 +0000 | [diff] [blame] | 83 | |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 84 | AttributeList *Parser::ParseGNUAttributes(SourceLocation *EndLoc) { |
| 85 | assert(Tok.is(tok::kw___attribute) && "Not a GNU attribute list!"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 86 | |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 87 | AttributeList *CurrAttr = 0; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 88 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 89 | while (Tok.is(tok::kw___attribute)) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 90 | ConsumeToken(); |
| 91 | if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, |
| 92 | "attribute")) { |
| 93 | SkipUntil(tok::r_paren, true); // skip until ) or ; |
| 94 | return CurrAttr; |
| 95 | } |
| 96 | if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, "(")) { |
| 97 | SkipUntil(tok::r_paren, true); // skip until ) or ; |
| 98 | return CurrAttr; |
| 99 | } |
| 100 | // Parse the attribute-list. e.g. __attribute__(( weak, alias("__f") )) |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 101 | while (Tok.is(tok::identifier) || isDeclarationSpecifier() || |
| 102 | Tok.is(tok::comma)) { |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 103 | |
| 104 | if (Tok.is(tok::comma)) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 105 | // allows for empty/non-empty attributes. ((__vector_size__(16),,,,)) |
| 106 | ConsumeToken(); |
| 107 | continue; |
| 108 | } |
| 109 | // we have an identifier or declaration specifier (const, int, etc.) |
| 110 | IdentifierInfo *AttrName = Tok.getIdentifierInfo(); |
| 111 | SourceLocation AttrNameLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 112 | |
Douglas Gregor | a2f4945 | 2010-03-16 19:09:18 +0000 | [diff] [blame] | 113 | // check if we have a "parameterized" attribute |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 114 | if (Tok.is(tok::l_paren)) { |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 115 | ConsumeParen(); // ignore the left paren loc for now |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 116 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 117 | if (Tok.is(tok::identifier)) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 118 | IdentifierInfo *ParmName = Tok.getIdentifierInfo(); |
| 119 | SourceLocation ParmLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 120 | |
| 121 | if (Tok.is(tok::r_paren)) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 122 | // __attribute__(( mode(byte) )) |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 123 | ConsumeParen(); // ignore the right paren loc for now |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 124 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 125 | ParmName, ParmLoc, 0, 0, CurrAttr); |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 126 | } else if (Tok.is(tok::comma)) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 127 | ConsumeToken(); |
| 128 | // __attribute__(( format(printf, 1, 2) )) |
Sebastian Redl | 511ed55 | 2008-11-25 22:21:31 +0000 | [diff] [blame] | 129 | ExprVector ArgExprs(Actions); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 130 | bool ArgExprsOk = true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 131 | |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 132 | // now parse the non-empty comma separated list of expressions |
| 133 | while (1) { |
Sebastian Redl | 59b5e51 | 2008-12-11 21:36:32 +0000 | [diff] [blame] | 134 | OwningExprResult ArgExpr(ParseAssignmentExpression()); |
Sebastian Redl | 17f2c7d | 2008-12-09 13:15:23 +0000 | [diff] [blame] | 135 | if (ArgExpr.isInvalid()) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 136 | ArgExprsOk = false; |
| 137 | SkipUntil(tok::r_paren); |
| 138 | break; |
| 139 | } else { |
Sebastian Redl | d9f7b1c | 2008-12-10 00:02:53 +0000 | [diff] [blame] | 140 | ArgExprs.push_back(ArgExpr.release()); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 141 | } |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 142 | if (Tok.isNot(tok::comma)) |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 143 | break; |
| 144 | ConsumeToken(); // Eat the comma, move to the next argument |
| 145 | } |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 146 | if (ArgExprsOk && Tok.is(tok::r_paren)) { |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 147 | ConsumeParen(); // ignore the right paren loc for now |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 148 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, |
| 149 | AttrNameLoc, ParmName, ParmLoc, |
| 150 | ArgExprs.take(), ArgExprs.size(), |
| 151 | CurrAttr); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 152 | } |
| 153 | } |
| 154 | } else { // not an identifier |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 155 | switch (Tok.getKind()) { |
| 156 | case tok::r_paren: |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 157 | // parse a possibly empty comma separated list of expressions |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 158 | // __attribute__(( nonnull() )) |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 159 | ConsumeParen(); // ignore the right paren loc for now |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 160 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 161 | 0, SourceLocation(), 0, 0, CurrAttr); |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 162 | break; |
| 163 | case tok::kw_char: |
| 164 | case tok::kw_wchar_t: |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 165 | case tok::kw_char16_t: |
| 166 | case tok::kw_char32_t: |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 167 | case tok::kw_bool: |
| 168 | case tok::kw_short: |
| 169 | case tok::kw_int: |
| 170 | case tok::kw_long: |
| 171 | case tok::kw_signed: |
| 172 | case tok::kw_unsigned: |
| 173 | case tok::kw_float: |
| 174 | case tok::kw_double: |
| 175 | case tok::kw_void: |
| 176 | case tok::kw_typeof: |
Fariborz Jahanian | 9d7d3d8 | 2010-08-17 23:19:16 +0000 | [diff] [blame] | 177 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, |
| 178 | 0, SourceLocation(), 0, 0, CurrAttr); |
| 179 | if (CurrAttr->getKind() == AttributeList::AT_IBOutletCollection) |
| 180 | Diag(Tok, diag::err_iboutletcollection_builtintype); |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 181 | // If it's a builtin type name, eat it and expect a rparen |
| 182 | // __attribute__(( vec_type_hint(char) )) |
| 183 | ConsumeToken(); |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 184 | if (Tok.is(tok::r_paren)) |
| 185 | ConsumeParen(); |
| 186 | break; |
| 187 | default: |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 188 | // __attribute__(( aligned(16) )) |
Sebastian Redl | 511ed55 | 2008-11-25 22:21:31 +0000 | [diff] [blame] | 189 | ExprVector ArgExprs(Actions); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 190 | bool ArgExprsOk = true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 191 | |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 192 | // now parse the list of expressions |
| 193 | while (1) { |
Sebastian Redl | 59b5e51 | 2008-12-11 21:36:32 +0000 | [diff] [blame] | 194 | OwningExprResult ArgExpr(ParseAssignmentExpression()); |
Sebastian Redl | 17f2c7d | 2008-12-09 13:15:23 +0000 | [diff] [blame] | 195 | if (ArgExpr.isInvalid()) { |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 196 | ArgExprsOk = false; |
| 197 | SkipUntil(tok::r_paren); |
| 198 | break; |
| 199 | } else { |
Sebastian Redl | d9f7b1c | 2008-12-10 00:02:53 +0000 | [diff] [blame] | 200 | ArgExprs.push_back(ArgExpr.release()); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 201 | } |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 202 | if (Tok.isNot(tok::comma)) |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 203 | break; |
| 204 | ConsumeToken(); // Eat the comma, move to the next argument |
| 205 | } |
| 206 | // Match the ')'. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 207 | if (ArgExprsOk && Tok.is(tok::r_paren)) { |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 208 | ConsumeParen(); // ignore the right paren loc for now |
Sebastian Redl | 511ed55 | 2008-11-25 22:21:31 +0000 | [diff] [blame] | 209 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 210 | AttrNameLoc, 0, SourceLocation(), ArgExprs.take(), |
| 211 | ArgExprs.size(), |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 212 | CurrAttr); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 213 | } |
Nate Begeman | f275870 | 2009-06-26 06:32:41 +0000 | [diff] [blame] | 214 | break; |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 215 | } |
| 216 | } |
| 217 | } else { |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 218 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, |
Steve Naroff | b8371e1 | 2007-06-09 03:39:29 +0000 | [diff] [blame] | 219 | 0, SourceLocation(), 0, 0, CurrAttr); |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 220 | } |
| 221 | } |
Steve Naroff | 98d153c | 2007-06-06 23:19:11 +0000 | [diff] [blame] | 222 | if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen)) |
Steve Naroff | 98d153c | 2007-06-06 23:19:11 +0000 | [diff] [blame] | 223 | SkipUntil(tok::r_paren, false); |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 224 | SourceLocation Loc = Tok.getLocation(); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 225 | if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen)) { |
| 226 | SkipUntil(tok::r_paren, false); |
| 227 | } |
| 228 | if (EndLoc) |
| 229 | *EndLoc = Loc; |
Steve Naroff | 0f2fe17 | 2007-06-01 17:11:19 +0000 | [diff] [blame] | 230 | } |
| 231 | return CurrAttr; |
| 232 | } |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 233 | |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 234 | /// ParseMicrosoftDeclSpec - Parse an __declspec construct |
| 235 | /// |
| 236 | /// [MS] decl-specifier: |
| 237 | /// __declspec ( extended-decl-modifier-seq ) |
| 238 | /// |
| 239 | /// [MS] extended-decl-modifier-seq: |
| 240 | /// extended-decl-modifier[opt] |
| 241 | /// extended-decl-modifier extended-decl-modifier-seq |
| 242 | |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 243 | AttributeList* Parser::ParseMicrosoftDeclSpec(AttributeList *CurrAttr) { |
Steve Naroff | 3a9b7e0 | 2008-12-24 20:59:21 +0000 | [diff] [blame] | 244 | assert(Tok.is(tok::kw___declspec) && "Not a declspec!"); |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 245 | |
Steve Naroff | 3a9b7e0 | 2008-12-24 20:59:21 +0000 | [diff] [blame] | 246 | ConsumeToken(); |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 247 | if (ExpectAndConsume(tok::l_paren, diag::err_expected_lparen_after, |
| 248 | "declspec")) { |
| 249 | SkipUntil(tok::r_paren, true); // skip until ) or ; |
| 250 | return CurrAttr; |
| 251 | } |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 252 | while (Tok.getIdentifierInfo()) { |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 253 | IdentifierInfo *AttrName = Tok.getIdentifierInfo(); |
| 254 | SourceLocation AttrNameLoc = ConsumeToken(); |
| 255 | if (Tok.is(tok::l_paren)) { |
| 256 | ConsumeParen(); |
| 257 | // FIXME: This doesn't parse __declspec(property(get=get_func_name)) |
| 258 | // correctly. |
| 259 | OwningExprResult ArgExpr(ParseAssignmentExpression()); |
| 260 | if (!ArgExpr.isInvalid()) { |
John McCall | 37ad551 | 2010-08-23 06:44:23 +0000 | [diff] [blame] | 261 | Expr *ExprList = ArgExpr.take(); |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 262 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, 0, |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 263 | SourceLocation(), &ExprList, 1, |
| 264 | CurrAttr, true); |
| 265 | } |
| 266 | if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen)) |
| 267 | SkipUntil(tok::r_paren, false); |
| 268 | } else { |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 269 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, |
| 270 | 0, SourceLocation(), 0, 0, CurrAttr, true); |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 271 | } |
| 272 | } |
| 273 | if (ExpectAndConsume(tok::r_paren, diag::err_expected_rparen)) |
| 274 | SkipUntil(tok::r_paren, false); |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 275 | return CurrAttr; |
| 276 | } |
| 277 | |
| 278 | AttributeList* Parser::ParseMicrosoftTypeAttributes(AttributeList *CurrAttr) { |
| 279 | // Treat these like attributes |
| 280 | // FIXME: Allow Sema to distinguish between these and real attributes! |
| 281 | while (Tok.is(tok::kw___fastcall) || Tok.is(tok::kw___stdcall) || |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 282 | Tok.is(tok::kw___thiscall) || Tok.is(tok::kw___cdecl) || |
| 283 | Tok.is(tok::kw___ptr64) || Tok.is(tok::kw___w64)) { |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 284 | IdentifierInfo *AttrName = Tok.getIdentifierInfo(); |
| 285 | SourceLocation AttrNameLoc = ConsumeToken(); |
| 286 | if (Tok.is(tok::kw___ptr64) || Tok.is(tok::kw___w64)) |
| 287 | // FIXME: Support these properly! |
| 288 | continue; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 289 | CurrAttr = new AttributeList(AttrName, AttrNameLoc, 0, AttrNameLoc, 0, |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 290 | SourceLocation(), 0, 0, CurrAttr, true); |
| 291 | } |
| 292 | return CurrAttr; |
Steve Naroff | 3a9b7e0 | 2008-12-24 20:59:21 +0000 | [diff] [blame] | 293 | } |
| 294 | |
Chris Lattner | 53361ac | 2006-08-10 05:19:57 +0000 | [diff] [blame] | 295 | /// ParseDeclaration - Parse a full 'declaration', which consists of |
| 296 | /// declaration-specifiers, some number of declarators, and a semicolon. |
Chris Lattner | 49836b4 | 2009-04-02 04:16:50 +0000 | [diff] [blame] | 297 | /// 'Context' should be a Declarator::TheContext value. This returns the |
| 298 | /// location of the semicolon in DeclEnd. |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 299 | /// |
| 300 | /// declaration: [C99 6.7] |
| 301 | /// block-declaration -> |
| 302 | /// simple-declaration |
| 303 | /// others [FIXME] |
Douglas Gregor | eb31f39 | 2008-12-01 23:54:00 +0000 | [diff] [blame] | 304 | /// [C++] template-declaration |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 305 | /// [C++] namespace-definition |
Douglas Gregor | d7c4d98 | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 306 | /// [C++] using-directive |
Douglas Gregor | 77b50e1 | 2009-06-22 23:06:13 +0000 | [diff] [blame] | 307 | /// [C++] using-declaration |
Sebastian Redl | f769df5 | 2009-03-24 22:27:57 +0000 | [diff] [blame] | 308 | /// [C++0x] static_assert-declaration |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 309 | /// others... [FIXME] |
| 310 | /// |
Chris Lattner | 49836b4 | 2009-04-02 04:16:50 +0000 | [diff] [blame] | 311 | Parser::DeclGroupPtrTy Parser::ParseDeclaration(unsigned Context, |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 312 | SourceLocation &DeclEnd, |
| 313 | CXX0XAttributeList Attr) { |
Argyrios Kyrtzidis | 355094e | 2010-06-17 10:52:18 +0000 | [diff] [blame] | 314 | ParenBraceBracketBalancer BalancerRAIIObj(*this); |
| 315 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 316 | Decl *SingleDecl = 0; |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 317 | switch (Tok.getKind()) { |
Douglas Gregor | eb31f39 | 2008-12-01 23:54:00 +0000 | [diff] [blame] | 318 | case tok::kw_template: |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 319 | case tok::kw_export: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 320 | if (Attr.HasAttr) |
| 321 | Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) |
| 322 | << Attr.Range; |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 323 | SingleDecl = ParseDeclarationStartingWithTemplate(Context, DeclEnd); |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 324 | break; |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 325 | case tok::kw_namespace: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 326 | if (Attr.HasAttr) |
| 327 | Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) |
| 328 | << Attr.Range; |
Chris Lattner | 49836b4 | 2009-04-02 04:16:50 +0000 | [diff] [blame] | 329 | SingleDecl = ParseNamespace(Context, DeclEnd); |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 330 | break; |
Douglas Gregor | d7c4d98 | 2008-12-30 03:27:21 +0000 | [diff] [blame] | 331 | case tok::kw_using: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 332 | SingleDecl = ParseUsingDirectiveOrDeclaration(Context, DeclEnd, Attr); |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 333 | break; |
Anders Carlsson | f24fcff6 | 2009-03-11 16:27:10 +0000 | [diff] [blame] | 334 | case tok::kw_static_assert: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 335 | if (Attr.HasAttr) |
| 336 | Diag(Attr.Range.getBegin(), diag::err_attributes_not_allowed) |
| 337 | << Attr.Range; |
Chris Lattner | 49836b4 | 2009-04-02 04:16:50 +0000 | [diff] [blame] | 338 | SingleDecl = ParseStaticAssertDeclaration(DeclEnd); |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 339 | break; |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 340 | default: |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 341 | return ParseSimpleDeclaration(Context, DeclEnd, Attr.AttrList, true); |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 342 | } |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 343 | |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 344 | // This routine returns a DeclGroup, if the thing we parsed only contains a |
| 345 | // single decl, convert it now. |
| 346 | return Actions.ConvertDeclToDeclGroup(SingleDecl); |
Chris Lattner | a523517 | 2007-08-25 06:57:03 +0000 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | /// simple-declaration: [C99 6.7: declaration] [C++ 7p1: dcl.dcl] |
| 350 | /// declaration-specifiers init-declarator-list[opt] ';' |
| 351 | ///[C90/C++]init-declarator-list ';' [TODO] |
| 352 | /// [OMP] threadprivate-directive [TODO] |
Chris Lattner | 32dc41c | 2009-03-29 17:27:48 +0000 | [diff] [blame] | 353 | /// |
| 354 | /// If RequireSemi is false, this does not check for a ';' at the end of the |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 355 | /// declaration. If it is true, it checks for and eats it. |
Chris Lattner | 32dc41c | 2009-03-29 17:27:48 +0000 | [diff] [blame] | 356 | Parser::DeclGroupPtrTy Parser::ParseSimpleDeclaration(unsigned Context, |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 357 | SourceLocation &DeclEnd, |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 358 | AttributeList *Attr, |
| 359 | bool RequireSemi) { |
Chris Lattner | 53361ac | 2006-08-10 05:19:57 +0000 | [diff] [blame] | 360 | // Parse the common declaration-specifiers piece. |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 361 | ParsingDeclSpec DS(*this); |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 362 | if (Attr) |
| 363 | DS.AddAttributes(Attr); |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 364 | ParseDeclarationSpecifiers(DS, ParsedTemplateInfo(), AS_none, |
| 365 | getDeclSpecContextFromDeclaratorContext(Context)); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 366 | |
Chris Lattner | 0e89462 | 2006-08-13 19:58:17 +0000 | [diff] [blame] | 367 | // C99 6.7.2.3p6: Handle "struct-or-union identifier;", "enum { X };" |
| 368 | // declaration-specifiers init-declarator-list[opt] ';' |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 369 | if (Tok.is(tok::semi)) { |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 370 | if (RequireSemi) ConsumeToken(); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 371 | Decl *TheDecl = Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS_none, |
John McCall | b54367d | 2010-05-21 20:45:30 +0000 | [diff] [blame] | 372 | DS); |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 373 | DS.complete(TheDecl); |
Chris Lattner | 5bbb3c8 | 2009-03-29 16:50:03 +0000 | [diff] [blame] | 374 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
Chris Lattner | 0e89462 | 2006-08-13 19:58:17 +0000 | [diff] [blame] | 375 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 376 | |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 377 | return ParseDeclGroup(DS, Context, /*FunctionDefs=*/ false, &DeclEnd); |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 378 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 379 | |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 380 | /// ParseDeclGroup - Having concluded that this is either a function |
| 381 | /// definition or a group of object declarations, actually parse the |
| 382 | /// result. |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 383 | Parser::DeclGroupPtrTy Parser::ParseDeclGroup(ParsingDeclSpec &DS, |
| 384 | unsigned Context, |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 385 | bool AllowFunctionDefinitions, |
| 386 | SourceLocation *DeclEnd) { |
| 387 | // Parse the first declarator. |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 388 | ParsingDeclarator D(*this, DS, static_cast<Declarator::TheContext>(Context)); |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 389 | ParseDeclarator(D); |
Chris Lattner | 32dc41c | 2009-03-29 17:27:48 +0000 | [diff] [blame] | 390 | |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 391 | // Bail out if the first declarator didn't seem well-formed. |
| 392 | if (!D.hasName() && !D.mayOmitIdentifier()) { |
| 393 | // Skip until ; or }. |
| 394 | SkipUntil(tok::r_brace, true, true); |
| 395 | if (Tok.is(tok::semi)) |
| 396 | ConsumeToken(); |
| 397 | return DeclGroupPtrTy(); |
Chris Lattner | efb0f11 | 2009-03-29 17:18:04 +0000 | [diff] [blame] | 398 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 399 | |
Chris Lattner | dbb1e93 | 2010-07-11 22:24:20 +0000 | [diff] [blame] | 400 | // Check to see if we have a function *definition* which must have a body. |
| 401 | if (AllowFunctionDefinitions && D.isFunctionDeclarator() && |
| 402 | // Look at the next token to make sure that this isn't a function |
| 403 | // declaration. We have to check this because __attribute__ might be the |
| 404 | // start of a function definition in GCC-extended K&R C. |
| 405 | !isDeclarationAfterDeclarator()) { |
| 406 | |
Chris Lattner | 1390134 | 2010-07-11 22:42:07 +0000 | [diff] [blame] | 407 | if (isStartOfFunctionDefinition(D)) { |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 408 | if (DS.getStorageClassSpec() == DeclSpec::SCS_typedef) { |
| 409 | Diag(Tok, diag::err_function_declared_typedef); |
| 410 | |
| 411 | // Recover by treating the 'typedef' as spurious. |
| 412 | DS.ClearStorageClassSpecs(); |
| 413 | } |
| 414 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 415 | Decl *TheDecl = ParseFunctionDefinition(D); |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 416 | return Actions.ConvertDeclToDeclGroup(TheDecl); |
Chris Lattner | 1390134 | 2010-07-11 22:42:07 +0000 | [diff] [blame] | 417 | } |
| 418 | |
| 419 | if (isDeclarationSpecifier()) { |
| 420 | // If there is an invalid declaration specifier right after the function |
| 421 | // prototype, then we must be in a missing semicolon case where this isn't |
| 422 | // actually a body. Just fall through into the code that handles it as a |
| 423 | // prototype, and let the top-level code handle the erroneous declspec |
| 424 | // where it would otherwise expect a comma or semicolon. |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 425 | } else { |
| 426 | Diag(Tok, diag::err_expected_fn_body); |
| 427 | SkipUntil(tok::semi); |
| 428 | return DeclGroupPtrTy(); |
| 429 | } |
| 430 | } |
| 431 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 432 | llvm::SmallVector<Decl *, 8> DeclsInGroup; |
| 433 | Decl *FirstDecl = ParseDeclarationAfterDeclarator(D); |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 434 | D.complete(FirstDecl); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 435 | if (FirstDecl) |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 436 | DeclsInGroup.push_back(FirstDecl); |
| 437 | |
| 438 | // If we don't have a comma, it is either the end of the list (a ';') or an |
| 439 | // error, bail out. |
| 440 | while (Tok.is(tok::comma)) { |
| 441 | // Consume the comma. |
Chris Lattner | efb0f11 | 2009-03-29 17:18:04 +0000 | [diff] [blame] | 442 | ConsumeToken(); |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 443 | |
| 444 | // Parse the next declarator. |
| 445 | D.clear(); |
| 446 | |
| 447 | // Accept attributes in an init-declarator. In the first declarator in a |
| 448 | // declaration, these would be part of the declspec. In subsequent |
| 449 | // declarators, they become part of the declarator itself, so that they |
| 450 | // don't apply to declarators after *this* one. Examples: |
| 451 | // short __attribute__((common)) var; -> declspec |
| 452 | // short var __attribute__((common)); -> declarator |
| 453 | // short x, __attribute__((common)) var; -> declarator |
| 454 | if (Tok.is(tok::kw___attribute)) { |
| 455 | SourceLocation Loc; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 456 | AttributeList *AttrList = ParseGNUAttributes(&Loc); |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 457 | D.AddAttributes(AttrList, Loc); |
| 458 | } |
| 459 | |
| 460 | ParseDeclarator(D); |
| 461 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 462 | Decl *ThisDecl = ParseDeclarationAfterDeclarator(D); |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 463 | D.complete(ThisDecl); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 464 | if (ThisDecl) |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 465 | DeclsInGroup.push_back(ThisDecl); |
| 466 | } |
| 467 | |
| 468 | if (DeclEnd) |
| 469 | *DeclEnd = Tok.getLocation(); |
| 470 | |
| 471 | if (Context != Declarator::ForContext && |
| 472 | ExpectAndConsume(tok::semi, |
| 473 | Context == Declarator::FileContext |
| 474 | ? diag::err_invalid_token_after_toplevel_declarator |
| 475 | : diag::err_expected_semi_declaration)) { |
Chris Lattner | 1390134 | 2010-07-11 22:42:07 +0000 | [diff] [blame] | 476 | // Okay, there was no semicolon and one was expected. If we see a |
| 477 | // declaration specifier, just assume it was missing and continue parsing. |
| 478 | // Otherwise things are very confused and we skip to recover. |
| 479 | if (!isDeclarationSpecifier()) { |
| 480 | SkipUntil(tok::r_brace, true, true); |
| 481 | if (Tok.is(tok::semi)) |
| 482 | ConsumeToken(); |
| 483 | } |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 484 | } |
| 485 | |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 486 | return Actions.FinalizeDeclaratorGroup(getCurScope(), DS, |
John McCall | d5a3632 | 2009-11-03 19:26:08 +0000 | [diff] [blame] | 487 | DeclsInGroup.data(), |
| 488 | DeclsInGroup.size()); |
Chris Lattner | 53361ac | 2006-08-10 05:19:57 +0000 | [diff] [blame] | 489 | } |
| 490 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 491 | /// \brief Parse 'declaration' after parsing 'declaration-specifiers |
| 492 | /// declarator'. This method parses the remainder of the declaration |
| 493 | /// (including any attributes or initializer, among other things) and |
| 494 | /// finalizes the declaration. |
Chris Lattner | f0f3baa | 2006-08-14 00:15:20 +0000 | [diff] [blame] | 495 | /// |
Chris Lattner | f0f3baa | 2006-08-14 00:15:20 +0000 | [diff] [blame] | 496 | /// init-declarator: [C99 6.7] |
| 497 | /// declarator |
| 498 | /// declarator '=' initializer |
Chris Lattner | 6d7e634 | 2006-08-15 03:41:14 +0000 | [diff] [blame] | 499 | /// [GNU] declarator simple-asm-expr[opt] attributes[opt] |
| 500 | /// [GNU] declarator simple-asm-expr[opt] attributes[opt] '=' initializer |
Argyrios Kyrtzidis | 9a1191c | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 501 | /// [C++] declarator initializer[opt] |
| 502 | /// |
| 503 | /// [C++] initializer: |
| 504 | /// [C++] '=' initializer-clause |
| 505 | /// [C++] '(' expression-list ')' |
Sebastian Redl | f769df5 | 2009-03-24 22:27:57 +0000 | [diff] [blame] | 506 | /// [C++0x] '=' 'default' [TODO] |
| 507 | /// [C++0x] '=' 'delete' |
| 508 | /// |
| 509 | /// According to the standard grammar, =default and =delete are function |
| 510 | /// definitions, but that definitely doesn't fit with the parser here. |
Chris Lattner | f0f3baa | 2006-08-14 00:15:20 +0000 | [diff] [blame] | 511 | /// |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 512 | Decl *Parser::ParseDeclarationAfterDeclarator(Declarator &D, |
Douglas Gregor | b52fabb | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 513 | const ParsedTemplateInfo &TemplateInfo) { |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 514 | // If a simple-asm-expr is present, parse it. |
| 515 | if (Tok.is(tok::kw_asm)) { |
| 516 | SourceLocation Loc; |
| 517 | OwningExprResult AsmLabel(ParseSimpleAsm(&Loc)); |
| 518 | if (AsmLabel.isInvalid()) { |
| 519 | SkipUntil(tok::semi, true, true); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 520 | return 0; |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 521 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 522 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 523 | D.setAsmLabel(AsmLabel.release()); |
| 524 | D.SetRangeEnd(Loc); |
| 525 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 526 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 527 | // If attributes are present, parse them. |
| 528 | if (Tok.is(tok::kw___attribute)) { |
| 529 | SourceLocation Loc; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 530 | AttributeList *AttrList = ParseGNUAttributes(&Loc); |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 531 | D.AddAttributes(AttrList, Loc); |
| 532 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 533 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 534 | // Inform the current actions module that we just parsed this declarator. |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 535 | Decl *ThisDecl = 0; |
Douglas Gregor | 450f0084 | 2009-09-25 18:43:00 +0000 | [diff] [blame] | 536 | switch (TemplateInfo.Kind) { |
| 537 | case ParsedTemplateInfo::NonTemplate: |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 538 | ThisDecl = Actions.ActOnDeclarator(getCurScope(), D); |
Douglas Gregor | 450f0084 | 2009-09-25 18:43:00 +0000 | [diff] [blame] | 539 | break; |
| 540 | |
| 541 | case ParsedTemplateInfo::Template: |
| 542 | case ParsedTemplateInfo::ExplicitSpecialization: |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 543 | ThisDecl = Actions.ActOnTemplateDeclarator(getCurScope(), |
Douglas Gregor | b52fabb | 2009-06-23 23:11:28 +0000 | [diff] [blame] | 544 | Action::MultiTemplateParamsArg(Actions, |
| 545 | TemplateInfo.TemplateParams->data(), |
| 546 | TemplateInfo.TemplateParams->size()), |
Douglas Gregor | 450f0084 | 2009-09-25 18:43:00 +0000 | [diff] [blame] | 547 | D); |
| 548 | break; |
| 549 | |
| 550 | case ParsedTemplateInfo::ExplicitInstantiation: { |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 551 | DeclResult ThisRes |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 552 | = Actions.ActOnExplicitInstantiation(getCurScope(), |
Douglas Gregor | 450f0084 | 2009-09-25 18:43:00 +0000 | [diff] [blame] | 553 | TemplateInfo.ExternLoc, |
| 554 | TemplateInfo.TemplateLoc, |
| 555 | D); |
| 556 | if (ThisRes.isInvalid()) { |
| 557 | SkipUntil(tok::semi, true, true); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 558 | return 0; |
Douglas Gregor | 450f0084 | 2009-09-25 18:43:00 +0000 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | ThisDecl = ThisRes.get(); |
| 562 | break; |
| 563 | } |
| 564 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 565 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 566 | // Parse declarator '=' initializer. |
| 567 | if (Tok.is(tok::equal)) { |
| 568 | ConsumeToken(); |
| 569 | if (getLang().CPlusPlus0x && Tok.is(tok::kw_delete)) { |
| 570 | SourceLocation DelLoc = ConsumeToken(); |
| 571 | Actions.SetDeclDeleted(ThisDecl, DelLoc); |
| 572 | } else { |
John McCall | 1f4ee7b | 2009-12-19 09:28:58 +0000 | [diff] [blame] | 573 | if (getLang().CPlusPlus && D.getCXXScopeSpec().isSet()) { |
| 574 | EnterScope(0); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 575 | Actions.ActOnCXXEnterDeclInitializer(getCurScope(), ThisDecl); |
John McCall | 1f4ee7b | 2009-12-19 09:28:58 +0000 | [diff] [blame] | 576 | } |
Argyrios Kyrtzidis | 3df1978 | 2009-06-17 22:50:06 +0000 | [diff] [blame] | 577 | |
Douglas Gregor | 7aa6b22 | 2010-05-30 01:49:25 +0000 | [diff] [blame] | 578 | if (Tok.is(tok::code_completion)) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 579 | Actions.CodeCompleteInitializer(getCurScope(), ThisDecl); |
Douglas Gregor | 7aa6b22 | 2010-05-30 01:49:25 +0000 | [diff] [blame] | 580 | ConsumeCodeCompletionToken(); |
| 581 | SkipUntil(tok::comma, true, true); |
| 582 | return ThisDecl; |
| 583 | } |
| 584 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 585 | OwningExprResult Init(ParseInitializer()); |
Argyrios Kyrtzidis | 3df1978 | 2009-06-17 22:50:06 +0000 | [diff] [blame] | 586 | |
John McCall | 1f4ee7b | 2009-12-19 09:28:58 +0000 | [diff] [blame] | 587 | if (getLang().CPlusPlus && D.getCXXScopeSpec().isSet()) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 588 | Actions.ActOnCXXExitDeclInitializer(getCurScope(), ThisDecl); |
John McCall | 1f4ee7b | 2009-12-19 09:28:58 +0000 | [diff] [blame] | 589 | ExitScope(); |
| 590 | } |
Argyrios Kyrtzidis | 3df1978 | 2009-06-17 22:50:06 +0000 | [diff] [blame] | 591 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 592 | if (Init.isInvalid()) { |
Douglas Gregor | 604c302 | 2010-03-01 18:27:54 +0000 | [diff] [blame] | 593 | SkipUntil(tok::comma, true, true); |
| 594 | Actions.ActOnInitializerError(ThisDecl); |
| 595 | } else |
John McCall | b268a28 | 2010-08-23 23:25:46 +0000 | [diff] [blame] | 596 | Actions.AddInitializerToDecl(ThisDecl, Init.take()); |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 597 | } |
| 598 | } else if (Tok.is(tok::l_paren)) { |
| 599 | // Parse C++ direct initializer: '(' expression-list ')' |
| 600 | SourceLocation LParenLoc = ConsumeParen(); |
| 601 | ExprVector Exprs(Actions); |
| 602 | CommaLocsTy CommaLocs; |
| 603 | |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 604 | if (getLang().CPlusPlus && D.getCXXScopeSpec().isSet()) { |
| 605 | EnterScope(0); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 606 | Actions.ActOnCXXEnterDeclInitializer(getCurScope(), ThisDecl); |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 607 | } |
| 608 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 609 | if (ParseExpressionList(Exprs, CommaLocs)) { |
| 610 | SkipUntil(tok::r_paren); |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 611 | |
| 612 | if (getLang().CPlusPlus && D.getCXXScopeSpec().isSet()) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 613 | Actions.ActOnCXXExitDeclInitializer(getCurScope(), ThisDecl); |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 614 | ExitScope(); |
| 615 | } |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 616 | } else { |
| 617 | // Match the ')'. |
| 618 | SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
| 619 | |
| 620 | assert(!Exprs.empty() && Exprs.size()-1 == CommaLocs.size() && |
| 621 | "Unexpected number of commas!"); |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 622 | |
| 623 | if (getLang().CPlusPlus && D.getCXXScopeSpec().isSet()) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 624 | Actions.ActOnCXXExitDeclInitializer(getCurScope(), ThisDecl); |
Douglas Gregor | 613bf10 | 2009-12-22 17:47:17 +0000 | [diff] [blame] | 625 | ExitScope(); |
| 626 | } |
| 627 | |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 628 | Actions.AddCXXDirectInitializerToDecl(ThisDecl, LParenLoc, |
| 629 | move_arg(Exprs), |
Jay Foad | 7d0479f | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 630 | CommaLocs.data(), RParenLoc); |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 631 | } |
| 632 | } else { |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 633 | bool TypeContainsUndeducedAuto = |
Anders Carlsson | ae01993 | 2009-07-11 00:34:39 +0000 | [diff] [blame] | 634 | D.getDeclSpec().getTypeSpecType() == DeclSpec::TST_auto; |
| 635 | Actions.ActOnUninitializedDecl(ThisDecl, TypeContainsUndeducedAuto); |
Douglas Gregor | 2399628 | 2009-05-12 21:31:51 +0000 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | return ThisDecl; |
| 639 | } |
| 640 | |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 641 | /// ParseSpecifierQualifierList |
| 642 | /// specifier-qualifier-list: |
| 643 | /// type-specifier specifier-qualifier-list[opt] |
| 644 | /// type-qualifier specifier-qualifier-list[opt] |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 645 | /// [GNU] attributes specifier-qualifier-list[opt] |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 646 | /// |
| 647 | void Parser::ParseSpecifierQualifierList(DeclSpec &DS) { |
| 648 | /// specifier-qualifier-list is a subset of declaration-specifiers. Just |
| 649 | /// parse declaration-specifiers and complain about extra stuff. |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 650 | ParseDeclarationSpecifiers(DS); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 651 | |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 652 | // Validate declspec for type-name. |
| 653 | unsigned Specs = DS.getParsedSpecifiers(); |
Chris Lattner | a723ba9 | 2009-04-14 21:16:09 +0000 | [diff] [blame] | 654 | if (Specs == DeclSpec::PQ_None && !DS.getNumProtocolQualifiers() && |
| 655 | !DS.getAttributes()) |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 656 | Diag(Tok, diag::err_typename_requires_specqual); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 657 | |
Chris Lattner | 1b22eed | 2006-11-28 05:12:07 +0000 | [diff] [blame] | 658 | // Issue diagnostic and remove storage class if present. |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 659 | if (Specs & DeclSpec::PQ_StorageClassSpecifier) { |
Chris Lattner | 1b22eed | 2006-11-28 05:12:07 +0000 | [diff] [blame] | 660 | if (DS.getStorageClassSpecLoc().isValid()) |
| 661 | Diag(DS.getStorageClassSpecLoc(),diag::err_typename_invalid_storageclass); |
| 662 | else |
| 663 | Diag(DS.getThreadSpecLoc(), diag::err_typename_invalid_storageclass); |
Chris Lattner | a925dc6 | 2006-11-28 04:33:46 +0000 | [diff] [blame] | 664 | DS.ClearStorageClassSpecs(); |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 665 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 666 | |
Chris Lattner | 1b22eed | 2006-11-28 05:12:07 +0000 | [diff] [blame] | 667 | // Issue diagnostic and remove function specfier if present. |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 668 | if (Specs & DeclSpec::PQ_FunctionSpecifier) { |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 669 | if (DS.isInlineSpecified()) |
| 670 | Diag(DS.getInlineSpecLoc(), diag::err_typename_invalid_functionspec); |
| 671 | if (DS.isVirtualSpecified()) |
| 672 | Diag(DS.getVirtualSpecLoc(), diag::err_typename_invalid_functionspec); |
| 673 | if (DS.isExplicitSpecified()) |
| 674 | Diag(DS.getExplicitSpecLoc(), diag::err_typename_invalid_functionspec); |
Chris Lattner | a925dc6 | 2006-11-28 04:33:46 +0000 | [diff] [blame] | 675 | DS.ClearFunctionSpecs(); |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 676 | } |
| 677 | } |
Chris Lattner | 53361ac | 2006-08-10 05:19:57 +0000 | [diff] [blame] | 678 | |
Chris Lattner | 6cc055a | 2009-04-12 20:42:31 +0000 | [diff] [blame] | 679 | /// isValidAfterIdentifierInDeclaratorAfterDeclSpec - Return true if the |
| 680 | /// specified token is valid after the identifier in a declarator which |
| 681 | /// immediately follows the declspec. For example, these things are valid: |
| 682 | /// |
| 683 | /// int x [ 4]; // direct-declarator |
| 684 | /// int x ( int y); // direct-declarator |
| 685 | /// int(int x ) // direct-declarator |
| 686 | /// int x ; // simple-declaration |
| 687 | /// int x = 17; // init-declarator-list |
| 688 | /// int x , y; // init-declarator-list |
| 689 | /// int x __asm__ ("foo"); // init-declarator-list |
Chris Lattner | a723ba9 | 2009-04-14 21:16:09 +0000 | [diff] [blame] | 690 | /// int x : 4; // struct-declarator |
Chris Lattner | 2b988c1 | 2009-04-12 22:29:43 +0000 | [diff] [blame] | 691 | /// int x { 5}; // C++'0x unified initializers |
Chris Lattner | 6cc055a | 2009-04-12 20:42:31 +0000 | [diff] [blame] | 692 | /// |
| 693 | /// This is not, because 'x' does not immediately follow the declspec (though |
| 694 | /// ')' happens to be valid anyway). |
| 695 | /// int (x) |
| 696 | /// |
| 697 | static bool isValidAfterIdentifierInDeclarator(const Token &T) { |
| 698 | return T.is(tok::l_square) || T.is(tok::l_paren) || T.is(tok::r_paren) || |
| 699 | T.is(tok::semi) || T.is(tok::comma) || T.is(tok::equal) || |
Chris Lattner | a723ba9 | 2009-04-14 21:16:09 +0000 | [diff] [blame] | 700 | T.is(tok::kw_asm) || T.is(tok::l_brace) || T.is(tok::colon); |
Chris Lattner | 6cc055a | 2009-04-12 20:42:31 +0000 | [diff] [blame] | 701 | } |
| 702 | |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 703 | |
| 704 | /// ParseImplicitInt - This method is called when we have an non-typename |
| 705 | /// identifier in a declspec (which normally terminates the decl spec) when |
| 706 | /// the declspec has no type specifier. In this case, the declspec is either |
| 707 | /// malformed or is "implicit int" (in K&R and C89). |
| 708 | /// |
| 709 | /// This method handles diagnosing this prettily and returns false if the |
| 710 | /// declspec is done being processed. If it recovers and thinks there may be |
| 711 | /// other pieces of declspec after it, it returns true. |
| 712 | /// |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 713 | bool Parser::ParseImplicitInt(DeclSpec &DS, CXXScopeSpec *SS, |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 714 | const ParsedTemplateInfo &TemplateInfo, |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 715 | AccessSpecifier AS) { |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 716 | assert(Tok.is(tok::identifier) && "should have identifier"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 717 | |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 718 | SourceLocation Loc = Tok.getLocation(); |
| 719 | // If we see an identifier that is not a type name, we normally would |
| 720 | // parse it as the identifer being declared. However, when a typename |
| 721 | // is typo'd or the definition is not included, this will incorrectly |
| 722 | // parse the typename as the identifier name and fall over misparsing |
| 723 | // later parts of the diagnostic. |
| 724 | // |
| 725 | // As such, we try to do some look-ahead in cases where this would |
| 726 | // otherwise be an "implicit-int" case to see if this is invalid. For |
| 727 | // example: "static foo_t x = 4;" In this case, if we parsed foo_t as |
| 728 | // an identifier with implicit int, we'd get a parse error because the |
| 729 | // next token is obviously invalid for a type. Parse these as a case |
| 730 | // with an invalid type specifier. |
| 731 | assert(!DS.hasTypeSpecifier() && "Type specifier checked above"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 732 | |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 733 | // Since we know that this either implicit int (which is rare) or an |
| 734 | // error, we'd do lookahead to try to do better recovery. |
| 735 | if (isValidAfterIdentifierInDeclarator(NextToken())) { |
| 736 | // If this token is valid for implicit int, e.g. "static x = 4", then |
| 737 | // we just avoid eating the identifier, so it will be parsed as the |
| 738 | // identifier in the declarator. |
| 739 | return false; |
| 740 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 741 | |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 742 | // Otherwise, if we don't consume this token, we are going to emit an |
| 743 | // error anyway. Try to recover from various common problems. Check |
| 744 | // to see if this was a reference to a tag name without a tag specified. |
| 745 | // This is a common problem in C (saying 'foo' instead of 'struct foo'). |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 746 | // |
| 747 | // C++ doesn't need this, and isTagName doesn't take SS. |
| 748 | if (SS == 0) { |
| 749 | const char *TagName = 0; |
| 750 | tok::TokenKind TagKind = tok::unknown; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 751 | |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 752 | switch (Actions.isTagName(*Tok.getIdentifierInfo(), getCurScope())) { |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 753 | default: break; |
| 754 | case DeclSpec::TST_enum: TagName="enum" ;TagKind=tok::kw_enum ;break; |
| 755 | case DeclSpec::TST_union: TagName="union" ;TagKind=tok::kw_union ;break; |
| 756 | case DeclSpec::TST_struct:TagName="struct";TagKind=tok::kw_struct;break; |
| 757 | case DeclSpec::TST_class: TagName="class" ;TagKind=tok::kw_class ;break; |
| 758 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 759 | |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 760 | if (TagName) { |
| 761 | Diag(Loc, diag::err_use_of_tag_name_without_tag) |
John McCall | 38200b0 | 2010-02-14 01:03:10 +0000 | [diff] [blame] | 762 | << Tok.getIdentifierInfo() << TagName << getLang().CPlusPlus |
Douglas Gregor | a771f46 | 2010-03-31 17:46:05 +0000 | [diff] [blame] | 763 | << FixItHint::CreateInsertion(Tok.getLocation(),TagName); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 764 | |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 765 | // Parse this as a tag as if the missing tag were present. |
| 766 | if (TagKind == tok::kw_enum) |
Douglas Gregor | dc70c3a | 2010-03-02 17:53:14 +0000 | [diff] [blame] | 767 | ParseEnumSpecifier(Loc, DS, TemplateInfo, AS); |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 768 | else |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 769 | ParseClassSpecifier(TagKind, Loc, DS, TemplateInfo, AS); |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 770 | return true; |
| 771 | } |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 772 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 773 | |
Douglas Gregor | 15e5602 | 2009-10-13 23:27:22 +0000 | [diff] [blame] | 774 | // This is almost certainly an invalid type name. Let the action emit a |
| 775 | // diagnostic and attempt to recover. |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 776 | ParsedType T; |
Douglas Gregor | 15e5602 | 2009-10-13 23:27:22 +0000 | [diff] [blame] | 777 | if (Actions.DiagnoseUnknownTypeName(*Tok.getIdentifierInfo(), Loc, |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 778 | getCurScope(), SS, T)) { |
Douglas Gregor | 15e5602 | 2009-10-13 23:27:22 +0000 | [diff] [blame] | 779 | // The action emitted a diagnostic, so we don't have to. |
| 780 | if (T) { |
| 781 | // The action has suggested that the type T could be used. Set that as |
| 782 | // the type in the declaration specifiers, consume the would-be type |
| 783 | // name token, and we're done. |
| 784 | const char *PrevSpec; |
| 785 | unsigned DiagID; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 786 | DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, DiagID, T); |
Douglas Gregor | 15e5602 | 2009-10-13 23:27:22 +0000 | [diff] [blame] | 787 | DS.SetRangeEnd(Tok.getLocation()); |
| 788 | ConsumeToken(); |
| 789 | |
| 790 | // There may be other declaration specifiers after this. |
| 791 | return true; |
| 792 | } |
| 793 | |
| 794 | // Fall through; the action had no suggestion for us. |
| 795 | } else { |
| 796 | // The action did not emit a diagnostic, so emit one now. |
| 797 | SourceRange R; |
| 798 | if (SS) R = SS->getRange(); |
| 799 | Diag(Loc, diag::err_unknown_typename) << Tok.getIdentifierInfo() << R; |
| 800 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 801 | |
Douglas Gregor | 15e5602 | 2009-10-13 23:27:22 +0000 | [diff] [blame] | 802 | // Mark this as an error. |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 803 | const char *PrevSpec; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 804 | unsigned DiagID; |
| 805 | DS.SetTypeSpecType(DeclSpec::TST_error, Loc, PrevSpec, DiagID); |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 806 | DS.SetRangeEnd(Tok.getLocation()); |
| 807 | ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 808 | |
Chris Lattner | 20a0c61 | 2009-04-14 21:34:55 +0000 | [diff] [blame] | 809 | // TODO: Could inject an invalid typedef decl in an enclosing scope to |
| 810 | // avoid rippling error messages on subsequent uses of the same type, |
| 811 | // could be useful if #include was forgotten. |
| 812 | return false; |
| 813 | } |
| 814 | |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 815 | /// \brief Determine the declaration specifier context from the declarator |
| 816 | /// context. |
| 817 | /// |
| 818 | /// \param Context the declarator context, which is one of the |
| 819 | /// Declarator::TheContext enumerator values. |
| 820 | Parser::DeclSpecContext |
| 821 | Parser::getDeclSpecContextFromDeclaratorContext(unsigned Context) { |
| 822 | if (Context == Declarator::MemberContext) |
| 823 | return DSC_class; |
| 824 | if (Context == Declarator::FileContext) |
| 825 | return DSC_top_level; |
| 826 | return DSC_normal; |
| 827 | } |
| 828 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 829 | /// ParseDeclarationSpecifiers |
| 830 | /// declaration-specifiers: [C99 6.7] |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 831 | /// storage-class-specifier declaration-specifiers[opt] |
| 832 | /// type-specifier declaration-specifiers[opt] |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 833 | /// [C99] function-specifier declaration-specifiers[opt] |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 834 | /// [GNU] attributes declaration-specifiers[opt] |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 835 | /// |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 836 | /// storage-class-specifier: [C99 6.7.1] |
Chris Lattner | da48a8e | 2006-08-04 05:25:55 +0000 | [diff] [blame] | 837 | /// 'typedef' |
| 838 | /// 'extern' |
| 839 | /// 'static' |
| 840 | /// 'auto' |
| 841 | /// 'register' |
Sebastian Redl | ccdfaba | 2008-11-14 23:42:31 +0000 | [diff] [blame] | 842 | /// [C++] 'mutable' |
Chris Lattner | da48a8e | 2006-08-04 05:25:55 +0000 | [diff] [blame] | 843 | /// [GNU] '__thread' |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 844 | /// function-specifier: [C99 6.7.4] |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 845 | /// [C99] 'inline' |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 846 | /// [C++] 'virtual' |
| 847 | /// [C++] 'explicit' |
Anders Carlsson | cd8db41 | 2009-05-06 04:46:28 +0000 | [diff] [blame] | 848 | /// 'friend': [C++ dcl.friend] |
Sebastian Redl | 39c2a8b | 2009-11-05 15:47:02 +0000 | [diff] [blame] | 849 | /// 'constexpr': [C++0x dcl.constexpr] |
Anders Carlsson | cd8db41 | 2009-05-06 04:46:28 +0000 | [diff] [blame] | 850 | |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 851 | /// |
Douglas Gregor | b9bd8a9 | 2008-12-24 02:52:09 +0000 | [diff] [blame] | 852 | void Parser::ParseDeclarationSpecifiers(DeclSpec &DS, |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 853 | const ParsedTemplateInfo &TemplateInfo, |
John McCall | 07e91c0 | 2009-08-06 02:15:43 +0000 | [diff] [blame] | 854 | AccessSpecifier AS, |
Douglas Gregor | c49f5b2 | 2010-08-23 18:23:48 +0000 | [diff] [blame] | 855 | DeclSpecContext DSContext) { |
Chris Lattner | 2e23209 | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 856 | DS.SetRangeStart(Tok.getLocation()); |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 857 | while (1) { |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 858 | bool isInvalid = false; |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 859 | const char *PrevSpec = 0; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 860 | unsigned DiagID = 0; |
| 861 | |
Chris Lattner | 4d8f873 | 2006-11-28 05:05:08 +0000 | [diff] [blame] | 862 | SourceLocation Loc = Tok.getLocation(); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 863 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 864 | switch (Tok.getKind()) { |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 865 | default: |
Chris Lattner | 0974b23 | 2008-07-26 00:20:22 +0000 | [diff] [blame] | 866 | DoneWithDeclSpec: |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 867 | // If this is not a declaration specifier token, we're done reading decl |
| 868 | // specifiers. First verify that DeclSpec's are consistent. |
Douglas Gregor | e3e01a2 | 2009-04-01 22:41:11 +0000 | [diff] [blame] | 869 | DS.Finish(Diags, PP); |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 870 | return; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 871 | |
Douglas Gregor | c49f5b2 | 2010-08-23 18:23:48 +0000 | [diff] [blame] | 872 | case tok::code_completion: { |
| 873 | Action::ParserCompletionContext CCC = Action::PCC_Namespace; |
| 874 | if (DS.hasTypeSpecifier()) { |
| 875 | bool AllowNonIdentifiers |
| 876 | = (getCurScope()->getFlags() & (Scope::ControlScope | |
| 877 | Scope::BlockScope | |
| 878 | Scope::TemplateParamScope | |
| 879 | Scope::FunctionPrototypeScope | |
| 880 | Scope::AtCatchScope)) == 0; |
| 881 | bool AllowNestedNameSpecifiers |
| 882 | = DSContext == DSC_top_level || |
| 883 | (DSContext == DSC_class && DS.isFriendSpecified()); |
| 884 | |
| 885 | Actions.CodeCompleteDeclarator(getCurScope(), AllowNonIdentifiers, |
| 886 | AllowNestedNameSpecifiers); |
| 887 | ConsumeCodeCompletionToken(); |
| 888 | return; |
| 889 | } |
| 890 | |
| 891 | if (TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate) |
| 892 | CCC = DSContext == DSC_class? Action::PCC_MemberTemplate |
| 893 | : Action::PCC_Template; |
| 894 | else if (DSContext == DSC_class) |
| 895 | CCC = Action::PCC_Class; |
| 896 | else if (ObjCImpDecl) |
| 897 | CCC = Action::PCC_ObjCImplementation; |
| 898 | |
| 899 | Actions.CodeCompleteOrdinaryName(getCurScope(), CCC); |
| 900 | ConsumeCodeCompletionToken(); |
| 901 | return; |
| 902 | } |
| 903 | |
Chris Lattner | bd31aa3 | 2009-01-05 00:07:25 +0000 | [diff] [blame] | 904 | case tok::coloncolon: // ::foo::bar |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 905 | // C++ scope specifier. Annotate and loop, or bail out on error. |
| 906 | if (TryAnnotateCXXScopeToken(true)) { |
| 907 | if (!DS.hasTypeSpecifier()) |
| 908 | DS.SetTypeSpecError(); |
| 909 | goto DoneWithDeclSpec; |
| 910 | } |
John McCall | 8bc2a70 | 2010-03-01 18:20:46 +0000 | [diff] [blame] | 911 | if (Tok.is(tok::coloncolon)) // ::new or ::delete |
| 912 | goto DoneWithDeclSpec; |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 913 | continue; |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 914 | |
| 915 | case tok::annot_cxxscope: { |
| 916 | if (DS.hasTypeSpecifier()) |
| 917 | goto DoneWithDeclSpec; |
| 918 | |
John McCall | 9dab4e6 | 2009-12-12 11:40:51 +0000 | [diff] [blame] | 919 | CXXScopeSpec SS; |
John McCall | 37ad551 | 2010-08-23 06:44:23 +0000 | [diff] [blame] | 920 | SS.setScopeRep((NestedNameSpecifier*) Tok.getAnnotationValue()); |
John McCall | 9dab4e6 | 2009-12-12 11:40:51 +0000 | [diff] [blame] | 921 | SS.setRange(Tok.getAnnotationRange()); |
| 922 | |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 923 | // We are looking for a qualified typename. |
Douglas Gregor | 167fa62 | 2009-03-25 15:40:00 +0000 | [diff] [blame] | 924 | Token Next = NextToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 925 | if (Next.is(tok::annot_template_id) && |
Douglas Gregor | 167fa62 | 2009-03-25 15:40:00 +0000 | [diff] [blame] | 926 | static_cast<TemplateIdAnnotation *>(Next.getAnnotationValue()) |
Douglas Gregor | b67535d | 2009-03-31 00:43:58 +0000 | [diff] [blame] | 927 | ->Kind == TNK_Type_template) { |
Douglas Gregor | 167fa62 | 2009-03-25 15:40:00 +0000 | [diff] [blame] | 928 | // We have a qualified template-id, e.g., N::A<int> |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 929 | |
| 930 | // C++ [class.qual]p2: |
| 931 | // In a lookup in which the constructor is an acceptable lookup |
| 932 | // result and the nested-name-specifier nominates a class C: |
| 933 | // |
| 934 | // - if the name specified after the |
| 935 | // nested-name-specifier, when looked up in C, is the |
| 936 | // injected-class-name of C (Clause 9), or |
| 937 | // |
| 938 | // - if the name specified after the nested-name-specifier |
| 939 | // is the same as the identifier or the |
| 940 | // simple-template-id's template-name in the last |
| 941 | // component of the nested-name-specifier, |
| 942 | // |
| 943 | // the name is instead considered to name the constructor of |
| 944 | // class C. |
| 945 | // |
| 946 | // Thus, if the template-name is actually the constructor |
| 947 | // name, then the code is ill-formed; this interpretation is |
| 948 | // reinforced by the NAD status of core issue 635. |
| 949 | TemplateIdAnnotation *TemplateId |
| 950 | = static_cast<TemplateIdAnnotation *>(Next.getAnnotationValue()); |
John McCall | 84821e7 | 2010-04-13 06:39:49 +0000 | [diff] [blame] | 951 | if ((DSContext == DSC_top_level || |
| 952 | (DSContext == DSC_class && DS.isFriendSpecified())) && |
| 953 | TemplateId->Name && |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 954 | Actions.isCurrentClassName(*TemplateId->Name, getCurScope(), &SS)) { |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 955 | if (isConstructorDeclarator()) { |
| 956 | // The user meant this to be an out-of-line constructor |
| 957 | // definition, but template arguments are not allowed |
| 958 | // there. Just allow this as a constructor; we'll |
| 959 | // complain about it later. |
| 960 | goto DoneWithDeclSpec; |
| 961 | } |
| 962 | |
| 963 | // The user meant this to name a type, but it actually names |
| 964 | // a constructor with some extraneous template |
| 965 | // arguments. Complain, then parse it as a type as the user |
| 966 | // intended. |
| 967 | Diag(TemplateId->TemplateNameLoc, |
| 968 | diag::err_out_of_line_template_id_names_constructor) |
| 969 | << TemplateId->Name; |
| 970 | } |
| 971 | |
John McCall | 9dab4e6 | 2009-12-12 11:40:51 +0000 | [diff] [blame] | 972 | DS.getTypeSpecScope() = SS; |
| 973 | ConsumeToken(); // The C++ scope. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 974 | assert(Tok.is(tok::annot_template_id) && |
Douglas Gregor | 167fa62 | 2009-03-25 15:40:00 +0000 | [diff] [blame] | 975 | "ParseOptionalCXXScopeSpecifier not working"); |
| 976 | AnnotateTemplateIdTokenAsType(&SS); |
| 977 | continue; |
| 978 | } |
| 979 | |
Douglas Gregor | c5790df | 2009-09-28 07:26:33 +0000 | [diff] [blame] | 980 | if (Next.is(tok::annot_typename)) { |
John McCall | 9dab4e6 | 2009-12-12 11:40:51 +0000 | [diff] [blame] | 981 | DS.getTypeSpecScope() = SS; |
| 982 | ConsumeToken(); // The C++ scope. |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 983 | if (Tok.getAnnotationValue()) { |
| 984 | ParsedType T = getTypeAnnotation(Tok); |
Douglas Gregor | c5790df | 2009-09-28 07:26:33 +0000 | [diff] [blame] | 985 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 986 | PrevSpec, DiagID, T); |
| 987 | } |
Douglas Gregor | c5790df | 2009-09-28 07:26:33 +0000 | [diff] [blame] | 988 | else |
| 989 | DS.SetTypeSpecError(); |
| 990 | DS.SetRangeEnd(Tok.getAnnotationEndLoc()); |
| 991 | ConsumeToken(); // The typename |
| 992 | } |
| 993 | |
Douglas Gregor | 167fa62 | 2009-03-25 15:40:00 +0000 | [diff] [blame] | 994 | if (Next.isNot(tok::identifier)) |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 995 | goto DoneWithDeclSpec; |
| 996 | |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 997 | // If we're in a context where the identifier could be a class name, |
| 998 | // check whether this is a constructor declaration. |
John McCall | 84821e7 | 2010-04-13 06:39:49 +0000 | [diff] [blame] | 999 | if ((DSContext == DSC_top_level || |
| 1000 | (DSContext == DSC_class && DS.isFriendSpecified())) && |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1001 | Actions.isCurrentClassName(*Next.getIdentifierInfo(), getCurScope(), |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 1002 | &SS)) { |
| 1003 | if (isConstructorDeclarator()) |
| 1004 | goto DoneWithDeclSpec; |
| 1005 | |
| 1006 | // As noted in C++ [class.qual]p2 (cited above), when the name |
| 1007 | // of the class is qualified in a context where it could name |
| 1008 | // a constructor, its a constructor name. However, we've |
| 1009 | // looked at the declarator, and the user probably meant this |
| 1010 | // to be a type. Complain that it isn't supposed to be treated |
| 1011 | // as a type, then proceed to parse it as a type. |
| 1012 | Diag(Next.getLocation(), diag::err_out_of_line_type_names_constructor) |
| 1013 | << Next.getIdentifierInfo(); |
| 1014 | } |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1015 | |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1016 | ParsedType TypeRep = Actions.getTypeName(*Next.getIdentifierInfo(), |
| 1017 | Next.getLocation(), |
| 1018 | getCurScope(), &SS); |
Douglas Gregor | 8bf4205 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 1019 | |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 1020 | // If the referenced identifier is not a type, then this declspec is |
| 1021 | // erroneous: We already checked about that it has no type specifier, and |
| 1022 | // C++ doesn't have implicit int. Diagnose it as a typo w.r.t. to the |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1023 | // typename. |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 1024 | if (TypeRep == 0) { |
| 1025 | ConsumeToken(); // Eat the scope spec so the identifier is current. |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 1026 | if (ParseImplicitInt(DS, &SS, TemplateInfo, AS)) continue; |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1027 | goto DoneWithDeclSpec; |
Chris Lattner | b4a8fe8 | 2009-04-14 22:17:06 +0000 | [diff] [blame] | 1028 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1029 | |
John McCall | 9dab4e6 | 2009-12-12 11:40:51 +0000 | [diff] [blame] | 1030 | DS.getTypeSpecScope() = SS; |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1031 | ConsumeToken(); // The C++ scope. |
| 1032 | |
Douglas Gregor | 9817f4a | 2009-02-09 15:09:02 +0000 | [diff] [blame] | 1033 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1034 | DiagID, TypeRep); |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1035 | if (isInvalid) |
| 1036 | break; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1037 | |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1038 | DS.SetRangeEnd(Tok.getLocation()); |
| 1039 | ConsumeToken(); // The typename. |
| 1040 | |
| 1041 | continue; |
| 1042 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1043 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1044 | case tok::annot_typename: { |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1045 | if (Tok.getAnnotationValue()) { |
| 1046 | ParsedType T = getTypeAnnotation(Tok); |
Douglas Gregor | fe3d7d0 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1047 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1048 | DiagID, T); |
| 1049 | } else |
Douglas Gregor | fe3d7d0 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1050 | DS.SetTypeSpecError(); |
Chris Lattner | 005fc1b | 2010-04-05 18:18:31 +0000 | [diff] [blame] | 1051 | |
| 1052 | if (isInvalid) |
| 1053 | break; |
| 1054 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1055 | DS.SetRangeEnd(Tok.getAnnotationEndLoc()); |
| 1056 | ConsumeToken(); // The typename |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1057 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1058 | // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' |
| 1059 | // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an |
| 1060 | // Objective-C interface. If we don't have Objective-C or a '<', this is |
| 1061 | // just a normal reference to a typedef name. |
| 1062 | if (!Tok.is(tok::less) || !getLang().ObjC1) |
| 1063 | continue; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1064 | |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1065 | SourceLocation LAngleLoc, EndProtoLoc; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1066 | llvm::SmallVector<Decl *, 8> ProtocolDecl; |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1067 | llvm::SmallVector<SourceLocation, 8> ProtocolLocs; |
| 1068 | ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, |
| 1069 | LAngleLoc, EndProtoLoc); |
| 1070 | DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), |
| 1071 | ProtocolLocs.data(), LAngleLoc); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1072 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1073 | DS.SetRangeEnd(EndProtoLoc); |
| 1074 | continue; |
| 1075 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1076 | |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1077 | // typedef-name |
| 1078 | case tok::identifier: { |
Chris Lattner | bd31aa3 | 2009-01-05 00:07:25 +0000 | [diff] [blame] | 1079 | // In C++, check to see if this is a scope specifier like foo::bar::, if |
| 1080 | // so handle it as such. This is important for ctor parsing. |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1081 | if (getLang().CPlusPlus) { |
| 1082 | if (TryAnnotateCXXScopeToken(true)) { |
| 1083 | if (!DS.hasTypeSpecifier()) |
| 1084 | DS.SetTypeSpecError(); |
| 1085 | goto DoneWithDeclSpec; |
| 1086 | } |
| 1087 | if (!Tok.is(tok::identifier)) |
| 1088 | continue; |
| 1089 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1090 | |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1091 | // This identifier can only be a typedef name if we haven't already seen |
| 1092 | // a type-specifier. Without this check we misparse: |
| 1093 | // typedef int X; struct Y { short X; }; as 'short int'. |
| 1094 | if (DS.hasTypeSpecifier()) |
| 1095 | goto DoneWithDeclSpec; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1096 | |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 1097 | // Check for need to substitute AltiVec keyword tokens. |
| 1098 | if (TryAltiVecToken(DS, Loc, PrevSpec, DiagID, isInvalid)) |
| 1099 | break; |
| 1100 | |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1101 | // It has to be available as a typedef too! |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1102 | ParsedType TypeRep = |
| 1103 | Actions.getTypeName(*Tok.getIdentifierInfo(), |
| 1104 | Tok.getLocation(), getCurScope()); |
Douglas Gregor | 8bf4205 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 1105 | |
Chris Lattner | 6cc055a | 2009-04-12 20:42:31 +0000 | [diff] [blame] | 1106 | // If this is not a typedef name, don't parse it as part of the declspec, |
| 1107 | // it must be an implicit int or an error. |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1108 | if (!TypeRep) { |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 1109 | if (ParseImplicitInt(DS, 0, TemplateInfo, AS)) continue; |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1110 | goto DoneWithDeclSpec; |
Chris Lattner | 6cc055a | 2009-04-12 20:42:31 +0000 | [diff] [blame] | 1111 | } |
Douglas Gregor | 8bf4205 | 2009-02-09 18:46:07 +0000 | [diff] [blame] | 1112 | |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 1113 | // If we're in a context where the identifier could be a class name, |
| 1114 | // check whether this is a constructor declaration. |
| 1115 | if (getLang().CPlusPlus && DSContext == DSC_class && |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1116 | Actions.isCurrentClassName(*Tok.getIdentifierInfo(), getCurScope()) && |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 1117 | isConstructorDeclarator()) |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1118 | goto DoneWithDeclSpec; |
| 1119 | |
Douglas Gregor | 9817f4a | 2009-02-09 15:09:02 +0000 | [diff] [blame] | 1120 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1121 | DiagID, TypeRep); |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1122 | if (isInvalid) |
| 1123 | break; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1124 | |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1125 | DS.SetRangeEnd(Tok.getLocation()); |
| 1126 | ConsumeToken(); // The identifier |
| 1127 | |
| 1128 | // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' |
| 1129 | // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an |
| 1130 | // Objective-C interface. If we don't have Objective-C or a '<', this is |
| 1131 | // just a normal reference to a typedef name. |
| 1132 | if (!Tok.is(tok::less) || !getLang().ObjC1) |
| 1133 | continue; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1134 | |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1135 | SourceLocation LAngleLoc, EndProtoLoc; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1136 | llvm::SmallVector<Decl *, 8> ProtocolDecl; |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1137 | llvm::SmallVector<SourceLocation, 8> ProtocolLocs; |
| 1138 | ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, |
| 1139 | LAngleLoc, EndProtoLoc); |
| 1140 | DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), |
| 1141 | ProtocolLocs.data(), LAngleLoc); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1142 | |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1143 | DS.SetRangeEnd(EndProtoLoc); |
| 1144 | |
Steve Naroff | cd5e782 | 2008-09-22 10:28:57 +0000 | [diff] [blame] | 1145 | // Need to support trailing type qualifiers (e.g. "id<p> const"). |
| 1146 | // If a type specifier follows, it will be diagnosed elsewhere. |
| 1147 | continue; |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1148 | } |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1149 | |
| 1150 | // type-name |
| 1151 | case tok::annot_template_id: { |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1152 | TemplateIdAnnotation *TemplateId |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1153 | = static_cast<TemplateIdAnnotation *>(Tok.getAnnotationValue()); |
Douglas Gregor | b67535d | 2009-03-31 00:43:58 +0000 | [diff] [blame] | 1154 | if (TemplateId->Kind != TNK_Type_template) { |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1155 | // This template-id does not refer to a type name, so we're |
| 1156 | // done with the type-specifiers. |
| 1157 | goto DoneWithDeclSpec; |
| 1158 | } |
| 1159 | |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 1160 | // If we're in a context where the template-id could be a |
| 1161 | // constructor name or specialization, check whether this is a |
| 1162 | // constructor declaration. |
| 1163 | if (getLang().CPlusPlus && DSContext == DSC_class && |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1164 | Actions.isCurrentClassName(*TemplateId->Name, getCurScope()) && |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 1165 | isConstructorDeclarator()) |
| 1166 | goto DoneWithDeclSpec; |
| 1167 | |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1168 | // Turn the template-id annotation token into a type annotation |
| 1169 | // token, then try again to parse it as a type-specifier. |
Douglas Gregor | fe3d7d0 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1170 | AnnotateTemplateIdTokenAsType(); |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 1171 | continue; |
| 1172 | } |
| 1173 | |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 1174 | // GNU attributes support. |
| 1175 | case tok::kw___attribute: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 1176 | DS.AddAttributes(ParseGNUAttributes()); |
Chris Lattner | b95cca0 | 2006-10-17 03:01:08 +0000 | [diff] [blame] | 1177 | continue; |
Steve Naroff | 3a9b7e0 | 2008-12-24 20:59:21 +0000 | [diff] [blame] | 1178 | |
| 1179 | // Microsoft declspec support. |
| 1180 | case tok::kw___declspec: |
Eli Friedman | 06de2b5 | 2009-06-08 07:21:15 +0000 | [diff] [blame] | 1181 | DS.AddAttributes(ParseMicrosoftDeclSpec()); |
Steve Naroff | 3a9b7e0 | 2008-12-24 20:59:21 +0000 | [diff] [blame] | 1182 | continue; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1183 | |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 1184 | // Microsoft single token adornments. |
Steve Naroff | f9c29d4 | 2008-12-25 14:41:26 +0000 | [diff] [blame] | 1185 | case tok::kw___forceinline: |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 1186 | // FIXME: Add handling here! |
| 1187 | break; |
| 1188 | |
| 1189 | case tok::kw___ptr64: |
Steve Naroff | f9c29d4 | 2008-12-25 14:41:26 +0000 | [diff] [blame] | 1190 | case tok::kw___w64: |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 1191 | case tok::kw___cdecl: |
| 1192 | case tok::kw___stdcall: |
| 1193 | case tok::kw___fastcall: |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 1194 | case tok::kw___thiscall: |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 1195 | DS.AddAttributes(ParseMicrosoftTypeAttributes()); |
| 1196 | continue; |
| 1197 | |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1198 | // storage-class-specifier |
| 1199 | case tok::kw_typedef: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1200 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_typedef, Loc, PrevSpec, |
| 1201 | DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1202 | break; |
| 1203 | case tok::kw_extern: |
Chris Lattner | 353f574 | 2006-11-28 04:50:12 +0000 | [diff] [blame] | 1204 | if (DS.isThreadSpecified()) |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1205 | Diag(Tok, diag::ext_thread_before) << "extern"; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1206 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_extern, Loc, PrevSpec, |
| 1207 | DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1208 | break; |
Steve Naroff | 2050b0d | 2007-12-18 00:16:02 +0000 | [diff] [blame] | 1209 | case tok::kw___private_extern__: |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 1210 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_private_extern, Loc, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1211 | PrevSpec, DiagID); |
Steve Naroff | 2050b0d | 2007-12-18 00:16:02 +0000 | [diff] [blame] | 1212 | break; |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1213 | case tok::kw_static: |
Chris Lattner | 353f574 | 2006-11-28 04:50:12 +0000 | [diff] [blame] | 1214 | if (DS.isThreadSpecified()) |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1215 | Diag(Tok, diag::ext_thread_before) << "static"; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1216 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_static, Loc, PrevSpec, |
| 1217 | DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1218 | break; |
| 1219 | case tok::kw_auto: |
Anders Carlsson | 082acde | 2009-06-26 18:41:36 +0000 | [diff] [blame] | 1220 | if (getLang().CPlusPlus0x) |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1221 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_auto, Loc, PrevSpec, |
| 1222 | DiagID); |
Anders Carlsson | 082acde | 2009-06-26 18:41:36 +0000 | [diff] [blame] | 1223 | else |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1224 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_auto, Loc, PrevSpec, |
| 1225 | DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1226 | break; |
| 1227 | case tok::kw_register: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1228 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_register, Loc, PrevSpec, |
| 1229 | DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1230 | break; |
Sebastian Redl | ccdfaba | 2008-11-14 23:42:31 +0000 | [diff] [blame] | 1231 | case tok::kw_mutable: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1232 | isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_mutable, Loc, PrevSpec, |
| 1233 | DiagID); |
Sebastian Redl | ccdfaba | 2008-11-14 23:42:31 +0000 | [diff] [blame] | 1234 | break; |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1235 | case tok::kw___thread: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1236 | isInvalid = DS.SetStorageClassSpecThread(Loc, PrevSpec, DiagID); |
Chris Lattner | f63f89a | 2006-08-05 03:28:50 +0000 | [diff] [blame] | 1237 | break; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1238 | |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 1239 | // function-specifier |
| 1240 | case tok::kw_inline: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1241 | isInvalid = DS.SetFunctionSpecInline(Loc, PrevSpec, DiagID); |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 1242 | break; |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1243 | case tok::kw_virtual: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1244 | isInvalid = DS.SetFunctionSpecVirtual(Loc, PrevSpec, DiagID); |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1245 | break; |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1246 | case tok::kw_explicit: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1247 | isInvalid = DS.SetFunctionSpecExplicit(Loc, PrevSpec, DiagID); |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 1248 | break; |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1249 | |
Anders Carlsson | cd8db41 | 2009-05-06 04:46:28 +0000 | [diff] [blame] | 1250 | // friend |
| 1251 | case tok::kw_friend: |
John McCall | 07e91c0 | 2009-08-06 02:15:43 +0000 | [diff] [blame] | 1252 | if (DSContext == DSC_class) |
| 1253 | isInvalid = DS.SetFriendSpec(Loc, PrevSpec, DiagID); |
| 1254 | else { |
| 1255 | PrevSpec = ""; // not actually used by the diagnostic |
| 1256 | DiagID = diag::err_friend_invalid_in_context; |
| 1257 | isInvalid = true; |
| 1258 | } |
Anders Carlsson | cd8db41 | 2009-05-06 04:46:28 +0000 | [diff] [blame] | 1259 | break; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1260 | |
Sebastian Redl | 39c2a8b | 2009-11-05 15:47:02 +0000 | [diff] [blame] | 1261 | // constexpr |
| 1262 | case tok::kw_constexpr: |
| 1263 | isInvalid = DS.SetConstexprSpec(Loc, PrevSpec, DiagID); |
| 1264 | break; |
| 1265 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1266 | // type-specifier |
| 1267 | case tok::kw_short: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1268 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, |
| 1269 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1270 | break; |
| 1271 | case tok::kw_long: |
| 1272 | if (DS.getTypeSpecWidth() != DeclSpec::TSW_long) |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1273 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, |
| 1274 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1275 | else |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1276 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_longlong, Loc, PrevSpec, |
| 1277 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1278 | break; |
| 1279 | case tok::kw_signed: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1280 | isInvalid = DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, |
| 1281 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1282 | break; |
| 1283 | case tok::kw_unsigned: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1284 | isInvalid = DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, |
| 1285 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1286 | break; |
| 1287 | case tok::kw__Complex: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1288 | isInvalid = DS.SetTypeSpecComplex(DeclSpec::TSC_complex, Loc, PrevSpec, |
| 1289 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1290 | break; |
| 1291 | case tok::kw__Imaginary: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1292 | isInvalid = DS.SetTypeSpecComplex(DeclSpec::TSC_imaginary, Loc, PrevSpec, |
| 1293 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1294 | break; |
| 1295 | case tok::kw_void: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1296 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, |
| 1297 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1298 | break; |
| 1299 | case tok::kw_char: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1300 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, |
| 1301 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1302 | break; |
| 1303 | case tok::kw_int: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1304 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, |
| 1305 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1306 | break; |
| 1307 | case tok::kw_float: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1308 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, |
| 1309 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1310 | break; |
| 1311 | case tok::kw_double: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1312 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, |
| 1313 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1314 | break; |
| 1315 | case tok::kw_wchar_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1316 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, |
| 1317 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1318 | break; |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1319 | case tok::kw_char16_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1320 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, |
| 1321 | DiagID); |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1322 | break; |
| 1323 | case tok::kw_char32_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1324 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, |
| 1325 | DiagID); |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1326 | break; |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1327 | case tok::kw_bool: |
| 1328 | case tok::kw__Bool: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1329 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, |
| 1330 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1331 | break; |
| 1332 | case tok::kw__Decimal32: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1333 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal32, Loc, PrevSpec, |
| 1334 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1335 | break; |
| 1336 | case tok::kw__Decimal64: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1337 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal64, Loc, PrevSpec, |
| 1338 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1339 | break; |
| 1340 | case tok::kw__Decimal128: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1341 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal128, Loc, PrevSpec, |
| 1342 | DiagID); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1343 | break; |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 1344 | case tok::kw___vector: |
| 1345 | isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID); |
| 1346 | break; |
| 1347 | case tok::kw___pixel: |
| 1348 | isInvalid = DS.SetTypeAltiVecPixel(true, Loc, PrevSpec, DiagID); |
| 1349 | break; |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1350 | |
| 1351 | // class-specifier: |
| 1352 | case tok::kw_class: |
| 1353 | case tok::kw_struct: |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1354 | case tok::kw_union: { |
| 1355 | tok::TokenKind Kind = Tok.getKind(); |
| 1356 | ConsumeToken(); |
Douglas Gregor | 1b57ff3 | 2009-05-12 23:25:50 +0000 | [diff] [blame] | 1357 | ParseClassSpecifier(Kind, Loc, DS, TemplateInfo, AS); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1358 | continue; |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1359 | } |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1360 | |
| 1361 | // enum-specifier: |
| 1362 | case tok::kw_enum: |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1363 | ConsumeToken(); |
Douglas Gregor | dc70c3a | 2010-03-02 17:53:14 +0000 | [diff] [blame] | 1364 | ParseEnumSpecifier(Loc, DS, TemplateInfo, AS); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1365 | continue; |
| 1366 | |
| 1367 | // cv-qualifier: |
| 1368 | case tok::kw_const: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1369 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_const, Loc, PrevSpec, DiagID, |
| 1370 | getLang()); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1371 | break; |
| 1372 | case tok::kw_volatile: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1373 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_volatile, Loc, PrevSpec, DiagID, |
| 1374 | getLang()); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1375 | break; |
| 1376 | case tok::kw_restrict: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1377 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_restrict, Loc, PrevSpec, DiagID, |
| 1378 | getLang()); |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1379 | break; |
| 1380 | |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 1381 | // C++ typename-specifier: |
| 1382 | case tok::kw_typename: |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1383 | if (TryAnnotateTypeOrScopeToken()) { |
| 1384 | DS.SetTypeSpecError(); |
| 1385 | goto DoneWithDeclSpec; |
| 1386 | } |
| 1387 | if (!Tok.is(tok::kw_typename)) |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 1388 | continue; |
| 1389 | break; |
| 1390 | |
Chris Lattner | e387d9e | 2009-01-21 19:48:37 +0000 | [diff] [blame] | 1391 | // GNU typeof support. |
| 1392 | case tok::kw_typeof: |
| 1393 | ParseTypeofSpecifier(DS); |
| 1394 | continue; |
| 1395 | |
Anders Carlsson | 74948d0 | 2009-06-24 17:47:40 +0000 | [diff] [blame] | 1396 | case tok::kw_decltype: |
| 1397 | ParseDecltypeSpecifier(DS); |
| 1398 | continue; |
| 1399 | |
Steve Naroff | cfdf616 | 2008-06-05 00:02:44 +0000 | [diff] [blame] | 1400 | case tok::less: |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1401 | // GCC ObjC supports types like "<SomeProtocol>" as a synonym for |
Chris Lattner | 0974b23 | 2008-07-26 00:20:22 +0000 | [diff] [blame] | 1402 | // "id<SomeProtocol>". This is hopelessly old fashioned and dangerous, |
| 1403 | // but we support it. |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1404 | if (DS.hasTypeSpecifier() || !getLang().ObjC1) |
Chris Lattner | 0974b23 | 2008-07-26 00:20:22 +0000 | [diff] [blame] | 1405 | goto DoneWithDeclSpec; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1406 | |
Chris Lattner | 0974b23 | 2008-07-26 00:20:22 +0000 | [diff] [blame] | 1407 | { |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1408 | SourceLocation LAngleLoc, EndProtoLoc; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1409 | llvm::SmallVector<Decl *, 8> ProtocolDecl; |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1410 | llvm::SmallVector<SourceLocation, 8> ProtocolLocs; |
| 1411 | ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, |
| 1412 | LAngleLoc, EndProtoLoc); |
| 1413 | DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), |
| 1414 | ProtocolLocs.data(), LAngleLoc); |
Chris Lattner | 16fac4f | 2008-07-26 01:18:38 +0000 | [diff] [blame] | 1415 | DS.SetRangeEnd(EndProtoLoc); |
| 1416 | |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1417 | Diag(Loc, diag::warn_objc_protocol_qualifier_missing_id) |
Douglas Gregor | a771f46 | 2010-03-31 17:46:05 +0000 | [diff] [blame] | 1418 | << FixItHint::CreateInsertion(Loc, "id") |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1419 | << SourceRange(Loc, EndProtoLoc); |
Steve Naroff | cd5e782 | 2008-09-22 10:28:57 +0000 | [diff] [blame] | 1420 | // Need to support trailing type qualifiers (e.g. "id<p> const"). |
| 1421 | // If a type specifier follows, it will be diagnosed elsewhere. |
| 1422 | continue; |
Steve Naroff | cfdf616 | 2008-06-05 00:02:44 +0000 | [diff] [blame] | 1423 | } |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 1424 | } |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1425 | // If the specifier wasn't legal, issue a diagnostic. |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 1426 | if (isInvalid) { |
| 1427 | assert(PrevSpec && "Method did not return previous specifier!"); |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1428 | assert(DiagID); |
Douglas Gregor | a05f5ab | 2010-08-23 14:34:43 +0000 | [diff] [blame] | 1429 | |
| 1430 | if (DiagID == diag::ext_duplicate_declspec) |
| 1431 | Diag(Tok, DiagID) |
| 1432 | << PrevSpec << FixItHint::CreateRemoval(Tok.getLocation()); |
| 1433 | else |
| 1434 | Diag(Tok, DiagID) << PrevSpec; |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 1435 | } |
Chris Lattner | 2e23209 | 2008-03-13 06:29:04 +0000 | [diff] [blame] | 1436 | DS.SetRangeEnd(Tok.getLocation()); |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 1437 | ConsumeToken(); |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 1438 | } |
| 1439 | } |
Douglas Gregor | eb31f39 | 2008-12-01 23:54:00 +0000 | [diff] [blame] | 1440 | |
Chris Lattner | a448d75 | 2009-01-06 06:59:53 +0000 | [diff] [blame] | 1441 | /// ParseOptionalTypeSpecifier - Try to parse a single type-specifier. We |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1442 | /// primarily follow the C++ grammar with additions for C99 and GNU, |
| 1443 | /// which together subsume the C grammar. Note that the C++ |
| 1444 | /// type-specifier also includes the C type-qualifier (for const, |
| 1445 | /// volatile, and C99 restrict). Returns true if a type-specifier was |
| 1446 | /// found (and parsed), false otherwise. |
| 1447 | /// |
| 1448 | /// type-specifier: [C++ 7.1.5] |
| 1449 | /// simple-type-specifier |
| 1450 | /// class-specifier |
| 1451 | /// enum-specifier |
| 1452 | /// elaborated-type-specifier [TODO] |
| 1453 | /// cv-qualifier |
| 1454 | /// |
| 1455 | /// cv-qualifier: [C++ 7.1.5.1] |
| 1456 | /// 'const' |
| 1457 | /// 'volatile' |
| 1458 | /// [C99] 'restrict' |
| 1459 | /// |
| 1460 | /// simple-type-specifier: [ C++ 7.1.5.2] |
| 1461 | /// '::'[opt] nested-name-specifier[opt] type-name [TODO] |
| 1462 | /// '::'[opt] nested-name-specifier 'template' template-id [TODO] |
| 1463 | /// 'char' |
| 1464 | /// 'wchar_t' |
| 1465 | /// 'bool' |
| 1466 | /// 'short' |
| 1467 | /// 'int' |
| 1468 | /// 'long' |
| 1469 | /// 'signed' |
| 1470 | /// 'unsigned' |
| 1471 | /// 'float' |
| 1472 | /// 'double' |
| 1473 | /// 'void' |
| 1474 | /// [C99] '_Bool' |
| 1475 | /// [C99] '_Complex' |
| 1476 | /// [C99] '_Imaginary' // Removed in TC2? |
| 1477 | /// [GNU] '_Decimal32' |
| 1478 | /// [GNU] '_Decimal64' |
| 1479 | /// [GNU] '_Decimal128' |
| 1480 | /// [GNU] typeof-specifier |
| 1481 | /// [OBJC] class-name objc-protocol-refs[opt] [TODO] |
| 1482 | /// [OBJC] typedef-name objc-protocol-refs[opt] [TODO] |
Anders Carlsson | 74948d0 | 2009-06-24 17:47:40 +0000 | [diff] [blame] | 1483 | /// [C++0x] 'decltype' ( expression ) |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 1484 | /// [AltiVec] '__vector' |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1485 | bool Parser::ParseOptionalTypeSpecifier(DeclSpec &DS, bool& isInvalid, |
Chris Lattner | a448d75 | 2009-01-06 06:59:53 +0000 | [diff] [blame] | 1486 | const char *&PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1487 | unsigned &DiagID, |
Sebastian Redl | 2b37272 | 2010-02-03 21:21:43 +0000 | [diff] [blame] | 1488 | const ParsedTemplateInfo &TemplateInfo, |
| 1489 | bool SuppressDeclarations) { |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1490 | SourceLocation Loc = Tok.getLocation(); |
| 1491 | |
| 1492 | switch (Tok.getKind()) { |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 1493 | case tok::identifier: // foo::bar |
Douglas Gregor | b8eaf29 | 2010-04-15 23:40:53 +0000 | [diff] [blame] | 1494 | // If we already have a type specifier, this identifier is not a type. |
| 1495 | if (DS.getTypeSpecType() != DeclSpec::TST_unspecified || |
| 1496 | DS.getTypeSpecWidth() != DeclSpec::TSW_unspecified || |
| 1497 | DS.getTypeSpecSign() != DeclSpec::TSS_unspecified) |
| 1498 | return false; |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 1499 | // Check for need to substitute AltiVec keyword tokens. |
| 1500 | if (TryAltiVecToken(DS, Loc, PrevSpec, DiagID, isInvalid)) |
| 1501 | break; |
| 1502 | // Fall through. |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 1503 | case tok::kw_typename: // typename foo::bar |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 1504 | // Annotate typenames and C++ scope specifiers. If we get one, just |
| 1505 | // recurse to handle whatever we get. |
| 1506 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1507 | return true; |
| 1508 | if (Tok.is(tok::identifier)) |
| 1509 | return false; |
| 1510 | return ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, |
| 1511 | TemplateInfo, SuppressDeclarations); |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 1512 | case tok::coloncolon: // ::foo::bar |
| 1513 | if (NextToken().is(tok::kw_new) || // ::new |
| 1514 | NextToken().is(tok::kw_delete)) // ::delete |
| 1515 | return false; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1516 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 1517 | // Annotate typenames and C++ scope specifiers. If we get one, just |
| 1518 | // recurse to handle whatever we get. |
| 1519 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1520 | return true; |
| 1521 | return ParseOptionalTypeSpecifier(DS, isInvalid, PrevSpec, DiagID, |
| 1522 | TemplateInfo, SuppressDeclarations); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1523 | |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1524 | // simple-type-specifier: |
Chris Lattner | a8a3f73 | 2009-01-06 05:06:21 +0000 | [diff] [blame] | 1525 | case tok::annot_typename: { |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1526 | if (ParsedType T = getTypeAnnotation(Tok)) { |
Douglas Gregor | fe3d7d0 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1527 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_typename, Loc, PrevSpec, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1528 | DiagID, T); |
| 1529 | } else |
Douglas Gregor | fe3d7d0 | 2009-04-01 21:51:26 +0000 | [diff] [blame] | 1530 | DS.SetTypeSpecError(); |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1531 | DS.SetRangeEnd(Tok.getAnnotationEndLoc()); |
| 1532 | ConsumeToken(); // The typename |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1533 | |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1534 | // Objective-C supports syntax of the form 'id<proto1,proto2>' where 'id' |
| 1535 | // is a specific typedef and 'itf<proto1,proto2>' where 'itf' is an |
| 1536 | // Objective-C interface. If we don't have Objective-C or a '<', this is |
| 1537 | // just a normal reference to a typedef name. |
| 1538 | if (!Tok.is(tok::less) || !getLang().ObjC1) |
| 1539 | return true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1540 | |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1541 | SourceLocation LAngleLoc, EndProtoLoc; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1542 | llvm::SmallVector<Decl *, 8> ProtocolDecl; |
Argyrios Kyrtzidis | fc1f9e4 | 2009-09-29 19:41:44 +0000 | [diff] [blame] | 1543 | llvm::SmallVector<SourceLocation, 8> ProtocolLocs; |
| 1544 | ParseObjCProtocolReferences(ProtocolDecl, ProtocolLocs, false, |
| 1545 | LAngleLoc, EndProtoLoc); |
| 1546 | DS.setProtocolQualifiers(ProtocolDecl.data(), ProtocolDecl.size(), |
| 1547 | ProtocolLocs.data(), LAngleLoc); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1548 | |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1549 | DS.SetRangeEnd(EndProtoLoc); |
| 1550 | return true; |
| 1551 | } |
| 1552 | |
| 1553 | case tok::kw_short: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1554 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1555 | break; |
| 1556 | case tok::kw_long: |
| 1557 | if (DS.getTypeSpecWidth() != DeclSpec::TSW_long) |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1558 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_long, Loc, PrevSpec, |
| 1559 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1560 | else |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1561 | isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_longlong, Loc, PrevSpec, |
| 1562 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1563 | break; |
| 1564 | case tok::kw_signed: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1565 | isInvalid = DS.SetTypeSpecSign(DeclSpec::TSS_signed, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1566 | break; |
| 1567 | case tok::kw_unsigned: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1568 | isInvalid = DS.SetTypeSpecSign(DeclSpec::TSS_unsigned, Loc, PrevSpec, |
| 1569 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1570 | break; |
| 1571 | case tok::kw__Complex: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1572 | isInvalid = DS.SetTypeSpecComplex(DeclSpec::TSC_complex, Loc, PrevSpec, |
| 1573 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1574 | break; |
| 1575 | case tok::kw__Imaginary: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1576 | isInvalid = DS.SetTypeSpecComplex(DeclSpec::TSC_imaginary, Loc, PrevSpec, |
| 1577 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1578 | break; |
| 1579 | case tok::kw_void: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1580 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_void, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1581 | break; |
| 1582 | case tok::kw_char: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1583 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1584 | break; |
| 1585 | case tok::kw_int: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1586 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_int, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1587 | break; |
| 1588 | case tok::kw_float: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1589 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_float, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1590 | break; |
| 1591 | case tok::kw_double: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1592 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_double, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1593 | break; |
| 1594 | case tok::kw_wchar_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1595 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_wchar, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1596 | break; |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1597 | case tok::kw_char16_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1598 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char16, Loc, PrevSpec, DiagID); |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1599 | break; |
| 1600 | case tok::kw_char32_t: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1601 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_char32, Loc, PrevSpec, DiagID); |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 1602 | break; |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1603 | case tok::kw_bool: |
| 1604 | case tok::kw__Bool: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1605 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_bool, Loc, PrevSpec, DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1606 | break; |
| 1607 | case tok::kw__Decimal32: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1608 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal32, Loc, PrevSpec, |
| 1609 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1610 | break; |
| 1611 | case tok::kw__Decimal64: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1612 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal64, Loc, PrevSpec, |
| 1613 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1614 | break; |
| 1615 | case tok::kw__Decimal128: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1616 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_decimal128, Loc, PrevSpec, |
| 1617 | DiagID); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1618 | break; |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 1619 | case tok::kw___vector: |
| 1620 | isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID); |
| 1621 | break; |
| 1622 | case tok::kw___pixel: |
| 1623 | isInvalid = DS.SetTypeAltiVecPixel(true, Loc, PrevSpec, DiagID); |
| 1624 | break; |
| 1625 | |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1626 | // class-specifier: |
| 1627 | case tok::kw_class: |
| 1628 | case tok::kw_struct: |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1629 | case tok::kw_union: { |
| 1630 | tok::TokenKind Kind = Tok.getKind(); |
| 1631 | ConsumeToken(); |
Sebastian Redl | 2b37272 | 2010-02-03 21:21:43 +0000 | [diff] [blame] | 1632 | ParseClassSpecifier(Kind, Loc, DS, TemplateInfo, AS_none, |
| 1633 | SuppressDeclarations); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1634 | return true; |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1635 | } |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1636 | |
| 1637 | // enum-specifier: |
| 1638 | case tok::kw_enum: |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1639 | ConsumeToken(); |
Douglas Gregor | dc70c3a | 2010-03-02 17:53:14 +0000 | [diff] [blame] | 1640 | ParseEnumSpecifier(Loc, DS, TemplateInfo, AS_none); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1641 | return true; |
| 1642 | |
| 1643 | // cv-qualifier: |
| 1644 | case tok::kw_const: |
| 1645 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_const , Loc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1646 | DiagID, getLang()); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1647 | break; |
| 1648 | case tok::kw_volatile: |
| 1649 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_volatile, Loc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1650 | DiagID, getLang()); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1651 | break; |
| 1652 | case tok::kw_restrict: |
| 1653 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_restrict, Loc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1654 | DiagID, getLang()); |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1655 | break; |
| 1656 | |
| 1657 | // GNU typeof support. |
| 1658 | case tok::kw_typeof: |
| 1659 | ParseTypeofSpecifier(DS); |
| 1660 | return true; |
| 1661 | |
Anders Carlsson | 74948d0 | 2009-06-24 17:47:40 +0000 | [diff] [blame] | 1662 | // C++0x decltype support. |
| 1663 | case tok::kw_decltype: |
| 1664 | ParseDecltypeSpecifier(DS); |
| 1665 | return true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1666 | |
Anders Carlsson | bae2737 | 2009-06-26 23:44:14 +0000 | [diff] [blame] | 1667 | // C++0x auto support. |
| 1668 | case tok::kw_auto: |
| 1669 | if (!getLang().CPlusPlus0x) |
| 1670 | return false; |
| 1671 | |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 1672 | isInvalid = DS.SetTypeSpecType(DeclSpec::TST_auto, Loc, PrevSpec, DiagID); |
Anders Carlsson | bae2737 | 2009-06-26 23:44:14 +0000 | [diff] [blame] | 1673 | break; |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 1674 | case tok::kw___ptr64: |
| 1675 | case tok::kw___w64: |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 1676 | case tok::kw___cdecl: |
| 1677 | case tok::kw___stdcall: |
| 1678 | case tok::kw___fastcall: |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 1679 | case tok::kw___thiscall: |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 1680 | DS.AddAttributes(ParseMicrosoftTypeAttributes()); |
Chris Lattner | 78ecd4f | 2009-01-21 19:19:26 +0000 | [diff] [blame] | 1681 | return true; |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 1682 | |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1683 | default: |
| 1684 | // Not a type-specifier; do nothing. |
| 1685 | return false; |
| 1686 | } |
| 1687 | |
| 1688 | // If the specifier combination wasn't legal, issue a diagnostic. |
| 1689 | if (isInvalid) { |
| 1690 | assert(PrevSpec && "Method did not return previous specifier!"); |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1691 | // Pick between error or extwarn. |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 1692 | Diag(Tok, DiagID) << PrevSpec; |
Douglas Gregor | 450c75a | 2008-11-07 15:42:26 +0000 | [diff] [blame] | 1693 | } |
| 1694 | DS.SetRangeEnd(Tok.getLocation()); |
| 1695 | ConsumeToken(); // whatever we parsed above. |
| 1696 | return true; |
| 1697 | } |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 1698 | |
Chris Lattner | 70ae491 | 2007-10-29 04:42:53 +0000 | [diff] [blame] | 1699 | /// ParseStructDeclaration - Parse a struct declaration without the terminating |
| 1700 | /// semicolon. |
| 1701 | /// |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1702 | /// struct-declaration: |
Chris Lattner | 70ae491 | 2007-10-29 04:42:53 +0000 | [diff] [blame] | 1703 | /// specifier-qualifier-list struct-declarator-list |
Chris Lattner | 736ed5d | 2007-06-09 05:59:07 +0000 | [diff] [blame] | 1704 | /// [GNU] __extension__ struct-declaration |
Chris Lattner | 70ae491 | 2007-10-29 04:42:53 +0000 | [diff] [blame] | 1705 | /// [GNU] specifier-qualifier-list |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1706 | /// struct-declarator-list: |
| 1707 | /// struct-declarator |
| 1708 | /// struct-declarator-list ',' struct-declarator |
| 1709 | /// [GNU] struct-declarator-list ',' attributes[opt] struct-declarator |
| 1710 | /// struct-declarator: |
| 1711 | /// declarator |
| 1712 | /// [GNU] declarator attributes[opt] |
| 1713 | /// declarator[opt] ':' constant-expression |
| 1714 | /// [GNU] declarator[opt] ':' constant-expression attributes[opt] |
| 1715 | /// |
Chris Lattner | a12405b | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 1716 | void Parser:: |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1717 | ParseStructDeclaration(DeclSpec &DS, FieldCallback &Fields) { |
Chris Lattner | f02ef3e | 2008-10-20 06:45:43 +0000 | [diff] [blame] | 1718 | if (Tok.is(tok::kw___extension__)) { |
| 1719 | // __extension__ silences extension warnings in the subexpression. |
| 1720 | ExtensionRAIIObject O(Diags); // Use RAII to do this. |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1721 | ConsumeToken(); |
Chris Lattner | f02ef3e | 2008-10-20 06:45:43 +0000 | [diff] [blame] | 1722 | return ParseStructDeclaration(DS, Fields); |
| 1723 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1724 | |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1725 | // Parse the common specifier-qualifiers-list piece. |
Chris Lattner | 32295d3 | 2008-04-10 06:15:14 +0000 | [diff] [blame] | 1726 | SourceLocation DSStart = Tok.getLocation(); |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1727 | ParseSpecifierQualifierList(DS); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1728 | |
Douglas Gregor | c6f58fe | 2009-01-12 22:49:06 +0000 | [diff] [blame] | 1729 | // If there are no declarators, this is a free-standing declaration |
| 1730 | // specifier. Let the actions module cope with it. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1731 | if (Tok.is(tok::semi)) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1732 | Actions.ParsedFreeStandingDeclSpec(getCurScope(), AS_none, DS); |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1733 | return; |
| 1734 | } |
| 1735 | |
| 1736 | // Read struct-declarators until we find the semicolon. |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1737 | bool FirstDeclarator = true; |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1738 | while (1) { |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 1739 | ParsingDeclRAIIObject PD(*this); |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1740 | FieldDeclarator DeclaratorInfo(DS); |
| 1741 | |
| 1742 | // Attributes are only allowed here on successive declarators. |
| 1743 | if (!FirstDeclarator && Tok.is(tok::kw___attribute)) { |
| 1744 | SourceLocation Loc; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 1745 | AttributeList *AttrList = ParseGNUAttributes(&Loc); |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1746 | DeclaratorInfo.D.AddAttributes(AttrList, Loc); |
| 1747 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1748 | |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1749 | /// struct-declarator: declarator |
| 1750 | /// struct-declarator: declarator[opt] ':' constant-expression |
Chris Lattner | 17c3b1f | 2009-12-10 01:59:24 +0000 | [diff] [blame] | 1751 | if (Tok.isNot(tok::colon)) { |
| 1752 | // Don't parse FOO:BAR as if it were a typo for FOO::BAR. |
| 1753 | ColonProtectionRAIIObject X(*this); |
Chris Lattner | a12405b | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 1754 | ParseDeclarator(DeclaratorInfo.D); |
Chris Lattner | 17c3b1f | 2009-12-10 01:59:24 +0000 | [diff] [blame] | 1755 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1756 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1757 | if (Tok.is(tok::colon)) { |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1758 | ConsumeToken(); |
Sebastian Redl | 59b5e51 | 2008-12-11 21:36:32 +0000 | [diff] [blame] | 1759 | OwningExprResult Res(ParseConstantExpression()); |
Sebastian Redl | 17f2c7d | 2008-12-09 13:15:23 +0000 | [diff] [blame] | 1760 | if (Res.isInvalid()) |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1761 | SkipUntil(tok::semi, true, true); |
Chris Lattner | 32295d3 | 2008-04-10 06:15:14 +0000 | [diff] [blame] | 1762 | else |
Sebastian Redl | d9f7b1c | 2008-12-10 00:02:53 +0000 | [diff] [blame] | 1763 | DeclaratorInfo.BitfieldSize = Res.release(); |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1764 | } |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 1765 | |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1766 | // If attributes exist after the declarator, parse them. |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 1767 | if (Tok.is(tok::kw___attribute)) { |
| 1768 | SourceLocation Loc; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 1769 | AttributeList *AttrList = ParseGNUAttributes(&Loc); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 1770 | DeclaratorInfo.D.AddAttributes(AttrList, Loc); |
| 1771 | } |
| 1772 | |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1773 | // We're done with this declarator; invoke the callback. |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1774 | Decl *D = Fields.invoke(DeclaratorInfo); |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 1775 | PD.complete(D); |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1776 | |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1777 | // If we don't have a comma, it is either the end of the list (a ';') |
| 1778 | // or an error, bail out. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1779 | if (Tok.isNot(tok::comma)) |
Chris Lattner | 70ae491 | 2007-10-29 04:42:53 +0000 | [diff] [blame] | 1780 | return; |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 1781 | |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1782 | // Consume the comma. |
| 1783 | ConsumeToken(); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 1784 | |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1785 | FirstDeclarator = false; |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1786 | } |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1787 | } |
| 1788 | |
| 1789 | /// ParseStructUnionBody |
| 1790 | /// struct-contents: |
| 1791 | /// struct-declaration-list |
| 1792 | /// [EXT] empty |
| 1793 | /// [GNU] "struct-declaration-list" without terminatoring ';' |
| 1794 | /// struct-declaration-list: |
| 1795 | /// struct-declaration |
| 1796 | /// struct-declaration-list struct-declaration |
Chris Lattner | 535b830 | 2008-06-21 19:39:06 +0000 | [diff] [blame] | 1797 | /// [OBC] '@' 'defs' '(' class-name ')' |
Steve Naroff | 9717080 | 2007-08-20 22:28:22 +0000 | [diff] [blame] | 1798 | /// |
Chris Lattner | 1300fb9 | 2007-01-23 23:42:53 +0000 | [diff] [blame] | 1799 | void Parser::ParseStructUnionBody(SourceLocation RecordLoc, |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1800 | unsigned TagType, Decl *TagDecl) { |
Chris Lattner | eae6cb6 | 2009-03-05 08:00:35 +0000 | [diff] [blame] | 1801 | PrettyStackTraceActionsDecl CrashInfo(TagDecl, RecordLoc, Actions, |
| 1802 | PP.getSourceManager(), |
| 1803 | "parsing struct/union body"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1804 | |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1805 | SourceLocation LBraceLoc = ConsumeBrace(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1806 | |
Douglas Gregor | 658b955 | 2009-01-09 22:42:13 +0000 | [diff] [blame] | 1807 | ParseScope StructScope(this, Scope::ClassScope|Scope::DeclScope); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1808 | Actions.ActOnTagStartDefinition(getCurScope(), TagDecl); |
Douglas Gregor | 82ac25e | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 1809 | |
Chris Lattner | 7b9ace6 | 2007-01-23 20:11:08 +0000 | [diff] [blame] | 1810 | // Empty structs are an extension in C (C99 6.7.2.1p7), but are allowed in |
| 1811 | // C++. |
Douglas Gregor | 556877c | 2008-04-13 21:30:24 +0000 | [diff] [blame] | 1812 | if (Tok.is(tok::r_brace) && !getLang().CPlusPlus) |
Douglas Gregor | da2955e | 2010-07-29 14:29:34 +0000 | [diff] [blame] | 1813 | Diag(Tok, diag::ext_empty_struct_union) |
| 1814 | << (TagType == TST_union); |
Chris Lattner | 7b9ace6 | 2007-01-23 20:11:08 +0000 | [diff] [blame] | 1815 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1816 | llvm::SmallVector<Decl *, 32> FieldDecls; |
Chris Lattner | a12405b | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 1817 | |
Chris Lattner | 7b9ace6 | 2007-01-23 20:11:08 +0000 | [diff] [blame] | 1818 | // While we still have something to read, read the declarations in the struct. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1819 | while (Tok.isNot(tok::r_brace) && Tok.isNot(tok::eof)) { |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1820 | // Each iteration of this loop reads one struct-declaration. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1821 | |
Chris Lattner | 736ed5d | 2007-06-09 05:59:07 +0000 | [diff] [blame] | 1822 | // Check for extraneous top-level semicolon. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1823 | if (Tok.is(tok::semi)) { |
Douglas Gregor | e3e01a2 | 2009-04-01 22:41:11 +0000 | [diff] [blame] | 1824 | Diag(Tok, diag::ext_extra_struct_semi) |
Douglas Gregor | 13d0568 | 2010-06-16 23:08:59 +0000 | [diff] [blame] | 1825 | << DeclSpec::getSpecifierName((DeclSpec::TST)TagType) |
Douglas Gregor | a771f46 | 2010-03-31 17:46:05 +0000 | [diff] [blame] | 1826 | << FixItHint::CreateRemoval(Tok.getLocation()); |
Chris Lattner | 36e46a2 | 2007-06-09 05:49:55 +0000 | [diff] [blame] | 1827 | ConsumeToken(); |
| 1828 | continue; |
| 1829 | } |
Chris Lattner | a12405b | 2008-04-10 06:46:29 +0000 | [diff] [blame] | 1830 | |
| 1831 | // Parse all the comma separated declarators. |
| 1832 | DeclSpec DS; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1833 | |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1834 | if (!Tok.is(tok::at)) { |
| 1835 | struct CFieldCallback : FieldCallback { |
| 1836 | Parser &P; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1837 | Decl *TagDecl; |
| 1838 | llvm::SmallVectorImpl<Decl *> &FieldDecls; |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1839 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1840 | CFieldCallback(Parser &P, Decl *TagDecl, |
| 1841 | llvm::SmallVectorImpl<Decl *> &FieldDecls) : |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1842 | P(P), TagDecl(TagDecl), FieldDecls(FieldDecls) {} |
| 1843 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1844 | virtual Decl *invoke(FieldDeclarator &FD) { |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1845 | // Install the declarator into the current TagDecl. |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1846 | Decl *Field = P.Actions.ActOnField(P.getCurScope(), TagDecl, |
John McCall | 5e6253b | 2009-11-03 21:13:47 +0000 | [diff] [blame] | 1847 | FD.D.getDeclSpec().getSourceRange().getBegin(), |
| 1848 | FD.D, FD.BitfieldSize); |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1849 | FieldDecls.push_back(Field); |
| 1850 | return Field; |
Douglas Gregor | 66a985d | 2009-08-26 14:27:30 +0000 | [diff] [blame] | 1851 | } |
John McCall | cfefb6d | 2009-11-03 02:38:08 +0000 | [diff] [blame] | 1852 | } Callback(*this, TagDecl, FieldDecls); |
| 1853 | |
| 1854 | ParseStructDeclaration(DS, Callback); |
Chris Lattner | 535b830 | 2008-06-21 19:39:06 +0000 | [diff] [blame] | 1855 | } else { // Handle @defs |
| 1856 | ConsumeToken(); |
| 1857 | if (!Tok.isObjCAtKeyword(tok::objc_defs)) { |
| 1858 | Diag(Tok, diag::err_unexpected_at); |
Chris Lattner | 245c533 | 2010-02-02 00:37:27 +0000 | [diff] [blame] | 1859 | SkipUntil(tok::semi, true); |
Chris Lattner | 535b830 | 2008-06-21 19:39:06 +0000 | [diff] [blame] | 1860 | continue; |
| 1861 | } |
| 1862 | ConsumeToken(); |
| 1863 | ExpectAndConsume(tok::l_paren, diag::err_expected_lparen); |
| 1864 | if (!Tok.is(tok::identifier)) { |
| 1865 | Diag(Tok, diag::err_expected_ident); |
Chris Lattner | 245c533 | 2010-02-02 00:37:27 +0000 | [diff] [blame] | 1866 | SkipUntil(tok::semi, true); |
Chris Lattner | 535b830 | 2008-06-21 19:39:06 +0000 | [diff] [blame] | 1867 | continue; |
| 1868 | } |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1869 | llvm::SmallVector<Decl *, 16> Fields; |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1870 | Actions.ActOnDefs(getCurScope(), TagDecl, Tok.getLocation(), |
Douglas Gregor | 91f8421 | 2008-12-11 16:49:14 +0000 | [diff] [blame] | 1871 | Tok.getIdentifierInfo(), Fields); |
Chris Lattner | 535b830 | 2008-06-21 19:39:06 +0000 | [diff] [blame] | 1872 | FieldDecls.insert(FieldDecls.end(), Fields.begin(), Fields.end()); |
| 1873 | ConsumeToken(); |
| 1874 | ExpectAndConsume(tok::r_paren, diag::err_expected_rparen); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1875 | } |
Chris Lattner | 736ed5d | 2007-06-09 05:59:07 +0000 | [diff] [blame] | 1876 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1877 | if (Tok.is(tok::semi)) { |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1878 | ConsumeToken(); |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1879 | } else if (Tok.is(tok::r_brace)) { |
Chris Lattner | 245c533 | 2010-02-02 00:37:27 +0000 | [diff] [blame] | 1880 | ExpectAndConsume(tok::semi, diag::ext_expected_semi_decl_list); |
Chris Lattner | 0c7e82d | 2007-06-09 05:54:40 +0000 | [diff] [blame] | 1881 | break; |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1882 | } else { |
Chris Lattner | 245c533 | 2010-02-02 00:37:27 +0000 | [diff] [blame] | 1883 | ExpectAndConsume(tok::semi, diag::err_expected_semi_decl_list); |
| 1884 | // Skip to end of block or statement to avoid ext-warning on extra ';'. |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1885 | SkipUntil(tok::r_brace, true, true); |
Chris Lattner | 245c533 | 2010-02-02 00:37:27 +0000 | [diff] [blame] | 1886 | // If we stopped at a ';', eat it. |
| 1887 | if (Tok.is(tok::semi)) ConsumeToken(); |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1888 | } |
| 1889 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1890 | |
Steve Naroff | 33a1e80 | 2007-10-29 21:38:07 +0000 | [diff] [blame] | 1891 | SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1892 | |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 1893 | llvm::OwningPtr<AttributeList> AttrList; |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1894 | // If attributes exist after struct contents, parse them. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 1895 | if (Tok.is(tok::kw___attribute)) |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 1896 | AttrList.reset(ParseGNUAttributes()); |
Daniel Dunbar | 15619c7 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 1897 | |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1898 | Actions.ActOnFields(getCurScope(), |
Jay Foad | 7d0479f | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 1899 | RecordLoc, TagDecl, FieldDecls.data(), FieldDecls.size(), |
Daniel Dunbar | 15619c7 | 2008-10-03 02:03:53 +0000 | [diff] [blame] | 1900 | LBraceLoc, RBraceLoc, |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 1901 | AttrList.get()); |
Douglas Gregor | 82ac25e | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 1902 | StructScope.Exit(); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1903 | Actions.ActOnTagFinishDefinition(getCurScope(), TagDecl, RBraceLoc); |
Chris Lattner | 90a26b0 | 2007-01-23 04:38:16 +0000 | [diff] [blame] | 1904 | } |
| 1905 | |
| 1906 | |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 1907 | /// ParseEnumSpecifier |
Chris Lattner | 1890ac8 | 2006-08-13 01:16:23 +0000 | [diff] [blame] | 1908 | /// enum-specifier: [C99 6.7.2.2] |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 1909 | /// 'enum' identifier[opt] '{' enumerator-list '}' |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1910 | ///[C99/C++]'enum' identifier[opt] '{' enumerator-list ',' '}' |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 1911 | /// [GNU] 'enum' attributes[opt] identifier[opt] '{' enumerator-list ',' [opt] |
| 1912 | /// '}' attributes[opt] |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 1913 | /// 'enum' identifier |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 1914 | /// [GNU] 'enum' attributes[opt] identifier |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1915 | /// |
| 1916 | /// [C++] elaborated-type-specifier: |
| 1917 | /// [C++] 'enum' '::'[opt] nested-name-specifier[opt] identifier |
| 1918 | /// |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1919 | void Parser::ParseEnumSpecifier(SourceLocation StartLoc, DeclSpec &DS, |
Douglas Gregor | dc70c3a | 2010-03-02 17:53:14 +0000 | [diff] [blame] | 1920 | const ParsedTemplateInfo &TemplateInfo, |
Chris Lattner | ffaa0e6 | 2009-04-12 21:49:30 +0000 | [diff] [blame] | 1921 | AccessSpecifier AS) { |
Chris Lattner | ffbc271 | 2007-01-25 06:05:38 +0000 | [diff] [blame] | 1922 | // Parse the tag portion of this. |
Douglas Gregor | f45b0cf | 2009-09-18 15:37:17 +0000 | [diff] [blame] | 1923 | if (Tok.is(tok::code_completion)) { |
| 1924 | // Code completion for an enum name. |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 1925 | Actions.CodeCompleteTag(getCurScope(), DeclSpec::TST_enum); |
Douglas Gregor | 6da3db4 | 2010-05-25 05:58:43 +0000 | [diff] [blame] | 1926 | ConsumeCodeCompletionToken(); |
Douglas Gregor | f45b0cf | 2009-09-18 15:37:17 +0000 | [diff] [blame] | 1927 | } |
| 1928 | |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 1929 | llvm::OwningPtr<AttributeList> Attr; |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1930 | // If attributes exist after tag, parse them. |
| 1931 | if (Tok.is(tok::kw___attribute)) |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 1932 | Attr.reset(ParseGNUAttributes()); |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1933 | |
Abramo Bagnara | d754848 | 2010-05-19 21:37:53 +0000 | [diff] [blame] | 1934 | CXXScopeSpec &SS = DS.getTypeSpecScope(); |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1935 | if (getLang().CPlusPlus) { |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 1936 | if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), false)) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 1937 | return; |
| 1938 | |
| 1939 | if (SS.isSet() && Tok.isNot(tok::identifier)) { |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 1940 | Diag(Tok, diag::err_expected_ident); |
| 1941 | if (Tok.isNot(tok::l_brace)) { |
| 1942 | // Has no name and is not a definition. |
| 1943 | // Skip the rest of this declarator, up until the comma or semicolon. |
| 1944 | SkipUntil(tok::comma, true); |
| 1945 | return; |
| 1946 | } |
| 1947 | } |
| 1948 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1949 | |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1950 | // Must have either 'enum name' or 'enum {...}'. |
| 1951 | if (Tok.isNot(tok::identifier) && Tok.isNot(tok::l_brace)) { |
| 1952 | Diag(Tok, diag::err_expected_ident_lbrace); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1953 | |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1954 | // Skip the rest of this declarator, up until the comma or semicolon. |
| 1955 | SkipUntil(tok::comma, true); |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 1956 | return; |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1957 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1958 | |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1959 | // If an identifier is present, consume and remember it. |
| 1960 | IdentifierInfo *Name = 0; |
| 1961 | SourceLocation NameLoc; |
| 1962 | if (Tok.is(tok::identifier)) { |
| 1963 | Name = Tok.getIdentifierInfo(); |
| 1964 | NameLoc = ConsumeToken(); |
| 1965 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 1966 | |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1967 | // There are three options here. If we have 'enum foo;', then this is a |
| 1968 | // forward declaration. If we have 'enum foo {...' then this is a |
| 1969 | // definition. Otherwise we have something like 'enum foo xyz', a reference. |
| 1970 | // |
| 1971 | // This is needed to handle stuff like this right (C99 6.7.2.3p11): |
| 1972 | // enum foo {..}; void bar() { enum foo; } <- new foo in bar. |
| 1973 | // enum foo {..}; void bar() { enum foo x; } <- use of old foo. |
| 1974 | // |
John McCall | 9bb74a5 | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 1975 | Action::TagUseKind TUK; |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1976 | if (Tok.is(tok::l_brace)) |
John McCall | 9bb74a5 | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 1977 | TUK = Action::TUK_Definition; |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1978 | else if (Tok.is(tok::semi)) |
John McCall | 9bb74a5 | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 1979 | TUK = Action::TUK_Declaration; |
Argyrios Kyrtzidis | f01fa82 | 2008-09-11 00:21:41 +0000 | [diff] [blame] | 1980 | else |
John McCall | 9bb74a5 | 2009-07-31 02:45:11 +0000 | [diff] [blame] | 1981 | TUK = Action::TUK_Reference; |
Douglas Gregor | cbbf3e3 | 2010-05-03 17:48:54 +0000 | [diff] [blame] | 1982 | |
| 1983 | // enums cannot be templates, although they can be referenced from a |
| 1984 | // template. |
| 1985 | if (TemplateInfo.Kind != ParsedTemplateInfo::NonTemplate && |
| 1986 | TUK != Action::TUK_Reference) { |
| 1987 | Diag(Tok, diag::err_enum_template); |
| 1988 | |
| 1989 | // Skip the rest of this declarator, up until the comma or semicolon. |
| 1990 | SkipUntil(tok::comma, true); |
| 1991 | return; |
| 1992 | } |
| 1993 | |
Douglas Gregor | d6ab874 | 2009-05-28 23:31:59 +0000 | [diff] [blame] | 1994 | bool Owned = false; |
John McCall | 7f41d98 | 2009-09-11 04:59:25 +0000 | [diff] [blame] | 1995 | bool IsDependent = false; |
Douglas Gregor | ba41d01 | 2010-04-24 16:38:41 +0000 | [diff] [blame] | 1996 | SourceLocation TSTLoc = NameLoc.isValid()? NameLoc : StartLoc; |
| 1997 | const char *PrevSpec = 0; |
| 1998 | unsigned DiagID; |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 1999 | Decl *TagDecl = Actions.ActOnTag(getCurScope(), DeclSpec::TST_enum, TUK, |
| 2000 | StartLoc, SS, Name, NameLoc, Attr.get(), |
| 2001 | AS, |
| 2002 | Action::MultiTemplateParamsArg(Actions), |
| 2003 | Owned, IsDependent); |
Douglas Gregor | ba41d01 | 2010-04-24 16:38:41 +0000 | [diff] [blame] | 2004 | if (IsDependent) { |
| 2005 | // This enum has a dependent nested-name-specifier. Handle it as a |
| 2006 | // dependent tag. |
| 2007 | if (!Name) { |
| 2008 | DS.SetTypeSpecError(); |
| 2009 | Diag(Tok, diag::err_expected_type_name_after_typename); |
| 2010 | return; |
| 2011 | } |
| 2012 | |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2013 | TypeResult Type = Actions.ActOnDependentTag(getCurScope(), DeclSpec::TST_enum, |
Douglas Gregor | ba41d01 | 2010-04-24 16:38:41 +0000 | [diff] [blame] | 2014 | TUK, SS, Name, StartLoc, |
| 2015 | NameLoc); |
| 2016 | if (Type.isInvalid()) { |
| 2017 | DS.SetTypeSpecError(); |
| 2018 | return; |
| 2019 | } |
| 2020 | |
| 2021 | if (DS.SetTypeSpecType(DeclSpec::TST_typename, TSTLoc, PrevSpec, DiagID, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2022 | Type.get())) |
Douglas Gregor | ba41d01 | 2010-04-24 16:38:41 +0000 | [diff] [blame] | 2023 | Diag(StartLoc, DiagID) << PrevSpec; |
| 2024 | |
| 2025 | return; |
| 2026 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2027 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2028 | if (!TagDecl) { |
Douglas Gregor | ba41d01 | 2010-04-24 16:38:41 +0000 | [diff] [blame] | 2029 | // The action failed to produce an enumeration tag. If this is a |
| 2030 | // definition, consume the entire definition. |
| 2031 | if (Tok.is(tok::l_brace)) { |
| 2032 | ConsumeBrace(); |
| 2033 | SkipUntil(tok::r_brace); |
| 2034 | } |
| 2035 | |
| 2036 | DS.SetTypeSpecError(); |
| 2037 | return; |
| 2038 | } |
| 2039 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2040 | if (Tok.is(tok::l_brace)) |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2041 | ParseEnumBody(StartLoc, TagDecl); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2042 | |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2043 | // FIXME: The DeclSpec should keep the locations of both the keyword |
| 2044 | // and the name (if there is one). |
Douglas Gregor | 7210063 | 2010-01-25 16:33:23 +0000 | [diff] [blame] | 2045 | if (DS.SetTypeSpecType(DeclSpec::TST_enum, TSTLoc, PrevSpec, DiagID, |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2046 | TagDecl, Owned)) |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2047 | Diag(StartLoc, DiagID) << PrevSpec; |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 2048 | } |
| 2049 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2050 | /// ParseEnumBody - Parse a {} enclosed enumerator-list. |
| 2051 | /// enumerator-list: |
| 2052 | /// enumerator |
| 2053 | /// enumerator-list ',' enumerator |
| 2054 | /// enumerator: |
| 2055 | /// enumeration-constant |
| 2056 | /// enumeration-constant '=' constant-expression |
| 2057 | /// enumeration-constant: |
| 2058 | /// identifier |
| 2059 | /// |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2060 | void Parser::ParseEnumBody(SourceLocation StartLoc, Decl *EnumDecl) { |
Douglas Gregor | 07665a6 | 2009-01-05 19:45:36 +0000 | [diff] [blame] | 2061 | // Enter the scope of the enum body and start the definition. |
| 2062 | ParseScope EnumScope(this, Scope::DeclScope); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2063 | Actions.ActOnTagStartDefinition(getCurScope(), EnumDecl); |
Douglas Gregor | 07665a6 | 2009-01-05 19:45:36 +0000 | [diff] [blame] | 2064 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2065 | SourceLocation LBraceLoc = ConsumeBrace(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2066 | |
Chris Lattner | 37256fb | 2007-08-27 17:24:30 +0000 | [diff] [blame] | 2067 | // C does not allow an empty enumerator-list, C++ does [dcl.enum]. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2068 | if (Tok.is(tok::r_brace) && !getLang().CPlusPlus) |
Fariborz Jahanian | 6e81492 | 2010-05-28 22:23:22 +0000 | [diff] [blame] | 2069 | Diag(Tok, diag::error_empty_enum); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2070 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2071 | llvm::SmallVector<Decl *, 32> EnumConstantDecls; |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2072 | |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2073 | Decl *LastEnumConstDecl = 0; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2074 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2075 | // Parse the enumerator-list. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2076 | while (Tok.is(tok::identifier)) { |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2077 | IdentifierInfo *Ident = Tok.getIdentifierInfo(); |
| 2078 | SourceLocation IdentLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2079 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2080 | SourceLocation EqualLoc; |
John McCall | 37ad551 | 2010-08-23 06:44:23 +0000 | [diff] [blame] | 2081 | OwningExprResult AssignedVal; |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2082 | if (Tok.is(tok::equal)) { |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2083 | EqualLoc = ConsumeToken(); |
Sebastian Redl | 17f2c7d | 2008-12-09 13:15:23 +0000 | [diff] [blame] | 2084 | AssignedVal = ParseConstantExpression(); |
| 2085 | if (AssignedVal.isInvalid()) |
Chris Lattner | da6c2ce | 2007-04-27 19:13:15 +0000 | [diff] [blame] | 2086 | SkipUntil(tok::comma, tok::r_brace, true, true); |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2087 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2088 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2089 | // Install the enumerator constant into EnumDecl. |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 2090 | Decl *EnumConstDecl = Actions.ActOnEnumConstant(getCurScope(), EnumDecl, |
| 2091 | LastEnumConstDecl, |
| 2092 | IdentLoc, Ident, |
| 2093 | EqualLoc, |
| 2094 | AssignedVal.release()); |
Chris Lattner | 4ef4001 | 2007-06-11 01:28:17 +0000 | [diff] [blame] | 2095 | EnumConstantDecls.push_back(EnumConstDecl); |
| 2096 | LastEnumConstDecl = EnumConstDecl; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2097 | |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2098 | if (Tok.isNot(tok::comma)) |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2099 | break; |
| 2100 | SourceLocation CommaLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2101 | |
| 2102 | if (Tok.isNot(tok::identifier) && |
Douglas Gregor | e3e01a2 | 2009-04-01 22:41:11 +0000 | [diff] [blame] | 2103 | !(getLang().C99 || getLang().CPlusPlus0x)) |
| 2104 | Diag(CommaLoc, diag::ext_enumerator_list_comma) |
| 2105 | << getLang().CPlusPlus |
Douglas Gregor | a771f46 | 2010-03-31 17:46:05 +0000 | [diff] [blame] | 2106 | << FixItHint::CreateRemoval(CommaLoc); |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2107 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2108 | |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2109 | // Eat the }. |
Mike Stump | 6814d1c | 2009-05-16 07:06:02 +0000 | [diff] [blame] | 2110 | SourceLocation RBraceLoc = MatchRHSPunctuation(tok::r_brace, LBraceLoc); |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2111 | |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2112 | llvm::OwningPtr<AttributeList> Attr; |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2113 | // If attributes exist after the identifier list, parse them. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2114 | if (Tok.is(tok::kw___attribute)) |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2115 | Attr.reset(ParseGNUAttributes()); // FIXME: where do they do? |
Douglas Gregor | 82ac25e | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 2116 | |
Edward O'Callaghan | c69169d | 2009-08-08 14:36:57 +0000 | [diff] [blame] | 2117 | Actions.ActOnEnumBody(StartLoc, LBraceLoc, RBraceLoc, EnumDecl, |
| 2118 | EnumConstantDecls.data(), EnumConstantDecls.size(), |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2119 | getCurScope(), Attr.get()); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2120 | |
Douglas Gregor | 82ac25e | 2009-01-08 20:45:30 +0000 | [diff] [blame] | 2121 | EnumScope.Exit(); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2122 | Actions.ActOnTagFinishDefinition(getCurScope(), EnumDecl, RBraceLoc); |
Chris Lattner | c1915e2 | 2007-01-25 07:29:02 +0000 | [diff] [blame] | 2123 | } |
Chris Lattner | 3b561a3 | 2006-08-13 00:12:11 +0000 | [diff] [blame] | 2124 | |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2125 | /// isTypeSpecifierQualifier - Return true if the current token could be the |
Steve Naroff | 69e8f9e | 2008-02-11 23:15:56 +0000 | [diff] [blame] | 2126 | /// start of a type-qualifier-list. |
| 2127 | bool Parser::isTypeQualifier() const { |
| 2128 | switch (Tok.getKind()) { |
| 2129 | default: return false; |
| 2130 | // type-qualifier |
| 2131 | case tok::kw_const: |
| 2132 | case tok::kw_volatile: |
| 2133 | case tok::kw_restrict: |
| 2134 | return true; |
| 2135 | } |
| 2136 | } |
| 2137 | |
Chris Lattner | fd48afe | 2010-02-28 18:18:36 +0000 | [diff] [blame] | 2138 | /// isKnownToBeTypeSpecifier - Return true if we know that the specified token |
| 2139 | /// is definitely a type-specifier. Return false if it isn't part of a type |
| 2140 | /// specifier or if we're not sure. |
| 2141 | bool Parser::isKnownToBeTypeSpecifier(const Token &Tok) const { |
| 2142 | switch (Tok.getKind()) { |
| 2143 | default: return false; |
| 2144 | // type-specifiers |
| 2145 | case tok::kw_short: |
| 2146 | case tok::kw_long: |
| 2147 | case tok::kw_signed: |
| 2148 | case tok::kw_unsigned: |
| 2149 | case tok::kw__Complex: |
| 2150 | case tok::kw__Imaginary: |
| 2151 | case tok::kw_void: |
| 2152 | case tok::kw_char: |
| 2153 | case tok::kw_wchar_t: |
| 2154 | case tok::kw_char16_t: |
| 2155 | case tok::kw_char32_t: |
| 2156 | case tok::kw_int: |
| 2157 | case tok::kw_float: |
| 2158 | case tok::kw_double: |
| 2159 | case tok::kw_bool: |
| 2160 | case tok::kw__Bool: |
| 2161 | case tok::kw__Decimal32: |
| 2162 | case tok::kw__Decimal64: |
| 2163 | case tok::kw__Decimal128: |
| 2164 | case tok::kw___vector: |
| 2165 | |
| 2166 | // struct-or-union-specifier (C99) or class-specifier (C++) |
| 2167 | case tok::kw_class: |
| 2168 | case tok::kw_struct: |
| 2169 | case tok::kw_union: |
| 2170 | // enum-specifier |
| 2171 | case tok::kw_enum: |
| 2172 | |
| 2173 | // typedef-name |
| 2174 | case tok::annot_typename: |
| 2175 | return true; |
| 2176 | } |
| 2177 | } |
| 2178 | |
Steve Naroff | 69e8f9e | 2008-02-11 23:15:56 +0000 | [diff] [blame] | 2179 | /// isTypeSpecifierQualifier - Return true if the current token could be the |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2180 | /// start of a specifier-qualifier-list. |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2181 | bool Parser::isTypeSpecifierQualifier() { |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2182 | switch (Tok.getKind()) { |
| 2183 | default: return false; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2184 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2185 | case tok::identifier: // foo::bar |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 2186 | if (TryAltiVecVectorToken()) |
| 2187 | return true; |
| 2188 | // Fall through. |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 2189 | case tok::kw_typename: // typename T::type |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2190 | // Annotate typenames and C++ scope specifiers. If we get one, just |
| 2191 | // recurse to handle whatever we get. |
| 2192 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2193 | return true; |
| 2194 | if (Tok.is(tok::identifier)) |
| 2195 | return false; |
| 2196 | return isTypeSpecifierQualifier(); |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 2197 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2198 | case tok::coloncolon: // ::foo::bar |
| 2199 | if (NextToken().is(tok::kw_new) || // ::new |
| 2200 | NextToken().is(tok::kw_delete)) // ::delete |
| 2201 | return false; |
| 2202 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2203 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2204 | return true; |
| 2205 | return isTypeSpecifierQualifier(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2206 | |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 2207 | // GNU attributes support. |
| 2208 | case tok::kw___attribute: |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 2209 | // GNU typeof support. |
| 2210 | case tok::kw_typeof: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2211 | |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2212 | // type-specifiers |
| 2213 | case tok::kw_short: |
| 2214 | case tok::kw_long: |
| 2215 | case tok::kw_signed: |
| 2216 | case tok::kw_unsigned: |
| 2217 | case tok::kw__Complex: |
| 2218 | case tok::kw__Imaginary: |
| 2219 | case tok::kw_void: |
| 2220 | case tok::kw_char: |
Argyrios Kyrtzidis | 40e9e48 | 2008-08-09 16:51:54 +0000 | [diff] [blame] | 2221 | case tok::kw_wchar_t: |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 2222 | case tok::kw_char16_t: |
| 2223 | case tok::kw_char32_t: |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2224 | case tok::kw_int: |
| 2225 | case tok::kw_float: |
| 2226 | case tok::kw_double: |
Chris Lattner | bb31a42 | 2007-11-15 05:25:19 +0000 | [diff] [blame] | 2227 | case tok::kw_bool: |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2228 | case tok::kw__Bool: |
| 2229 | case tok::kw__Decimal32: |
| 2230 | case tok::kw__Decimal64: |
| 2231 | case tok::kw__Decimal128: |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 2232 | case tok::kw___vector: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2233 | |
Chris Lattner | 861a226 | 2008-04-13 18:59:07 +0000 | [diff] [blame] | 2234 | // struct-or-union-specifier (C99) or class-specifier (C++) |
| 2235 | case tok::kw_class: |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2236 | case tok::kw_struct: |
| 2237 | case tok::kw_union: |
| 2238 | // enum-specifier |
| 2239 | case tok::kw_enum: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2240 | |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2241 | // type-qualifier |
| 2242 | case tok::kw_const: |
| 2243 | case tok::kw_volatile: |
| 2244 | case tok::kw_restrict: |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2245 | |
| 2246 | // typedef-name |
Chris Lattner | a8a3f73 | 2009-01-06 05:06:21 +0000 | [diff] [blame] | 2247 | case tok::annot_typename: |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2248 | return true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2249 | |
Chris Lattner | 409bf7d | 2008-10-20 00:25:30 +0000 | [diff] [blame] | 2250 | // GNU ObjC bizarre protocol extension: <proto1,proto2> with implicit 'id'. |
| 2251 | case tok::less: |
| 2252 | return getLang().ObjC1; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2253 | |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 2254 | case tok::kw___cdecl: |
| 2255 | case tok::kw___stdcall: |
| 2256 | case tok::kw___fastcall: |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 2257 | case tok::kw___thiscall: |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2258 | case tok::kw___w64: |
| 2259 | case tok::kw___ptr64: |
| 2260 | return true; |
Chris Lattner | f5fbd79 | 2006-08-10 23:56:11 +0000 | [diff] [blame] | 2261 | } |
| 2262 | } |
| 2263 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2264 | /// isDeclarationSpecifier() - Return true if the current token is part of a |
| 2265 | /// declaration specifier. |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2266 | bool Parser::isDeclarationSpecifier() { |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2267 | switch (Tok.getKind()) { |
| 2268 | default: return false; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2269 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2270 | case tok::identifier: // foo::bar |
Steve Naroff | 9527bbf | 2009-03-09 21:12:44 +0000 | [diff] [blame] | 2271 | // Unfortunate hack to support "Class.factoryMethod" notation. |
| 2272 | if (getLang().ObjC1 && NextToken().is(tok::period)) |
| 2273 | return false; |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 2274 | if (TryAltiVecVectorToken()) |
| 2275 | return true; |
| 2276 | // Fall through. |
Douglas Gregor | 333489b | 2009-03-27 23:10:48 +0000 | [diff] [blame] | 2277 | case tok::kw_typename: // typename T::type |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2278 | // Annotate typenames and C++ scope specifiers. If we get one, just |
| 2279 | // recurse to handle whatever we get. |
| 2280 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2281 | return true; |
| 2282 | if (Tok.is(tok::identifier)) |
| 2283 | return false; |
| 2284 | return isDeclarationSpecifier(); |
| 2285 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2286 | case tok::coloncolon: // ::foo::bar |
| 2287 | if (NextToken().is(tok::kw_new) || // ::new |
| 2288 | NextToken().is(tok::kw_delete)) // ::delete |
| 2289 | return false; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2290 | |
Chris Lattner | 020bab9 | 2009-01-04 23:41:41 +0000 | [diff] [blame] | 2291 | // Annotate typenames and C++ scope specifiers. If we get one, just |
| 2292 | // recurse to handle whatever we get. |
| 2293 | if (TryAnnotateTypeOrScopeToken()) |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2294 | return true; |
| 2295 | return isDeclarationSpecifier(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2296 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2297 | // storage-class-specifier |
| 2298 | case tok::kw_typedef: |
| 2299 | case tok::kw_extern: |
Steve Naroff | 2050b0d | 2007-12-18 00:16:02 +0000 | [diff] [blame] | 2300 | case tok::kw___private_extern__: |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2301 | case tok::kw_static: |
| 2302 | case tok::kw_auto: |
| 2303 | case tok::kw_register: |
| 2304 | case tok::kw___thread: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2305 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2306 | // type-specifiers |
| 2307 | case tok::kw_short: |
| 2308 | case tok::kw_long: |
| 2309 | case tok::kw_signed: |
| 2310 | case tok::kw_unsigned: |
| 2311 | case tok::kw__Complex: |
| 2312 | case tok::kw__Imaginary: |
| 2313 | case tok::kw_void: |
| 2314 | case tok::kw_char: |
Argyrios Kyrtzidis | 40e9e48 | 2008-08-09 16:51:54 +0000 | [diff] [blame] | 2315 | case tok::kw_wchar_t: |
Alisdair Meredith | a9ad47d | 2009-07-14 06:30:34 +0000 | [diff] [blame] | 2316 | case tok::kw_char16_t: |
| 2317 | case tok::kw_char32_t: |
| 2318 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2319 | case tok::kw_int: |
| 2320 | case tok::kw_float: |
| 2321 | case tok::kw_double: |
Chris Lattner | bb31a42 | 2007-11-15 05:25:19 +0000 | [diff] [blame] | 2322 | case tok::kw_bool: |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2323 | case tok::kw__Bool: |
| 2324 | case tok::kw__Decimal32: |
| 2325 | case tok::kw__Decimal64: |
| 2326 | case tok::kw__Decimal128: |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 2327 | case tok::kw___vector: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2328 | |
Chris Lattner | 861a226 | 2008-04-13 18:59:07 +0000 | [diff] [blame] | 2329 | // struct-or-union-specifier (C99) or class-specifier (C++) |
| 2330 | case tok::kw_class: |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2331 | case tok::kw_struct: |
| 2332 | case tok::kw_union: |
| 2333 | // enum-specifier |
| 2334 | case tok::kw_enum: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2335 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2336 | // type-qualifier |
| 2337 | case tok::kw_const: |
| 2338 | case tok::kw_volatile: |
| 2339 | case tok::kw_restrict: |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 2340 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2341 | // function-specifier |
| 2342 | case tok::kw_inline: |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 2343 | case tok::kw_virtual: |
| 2344 | case tok::kw_explicit: |
Chris Lattner | 7b20dc7 | 2007-08-09 16:40:21 +0000 | [diff] [blame] | 2345 | |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2346 | // typedef-name |
Chris Lattner | a8a3f73 | 2009-01-06 05:06:21 +0000 | [diff] [blame] | 2347 | case tok::annot_typename: |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2348 | |
Chris Lattner | 599e47e | 2007-08-09 17:01:07 +0000 | [diff] [blame] | 2349 | // GNU typeof support. |
| 2350 | case tok::kw_typeof: |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2351 | |
Chris Lattner | 599e47e | 2007-08-09 17:01:07 +0000 | [diff] [blame] | 2352 | // GNU attributes. |
Chris Lattner | 7b20dc7 | 2007-08-09 16:40:21 +0000 | [diff] [blame] | 2353 | case tok::kw___attribute: |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2354 | return true; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2355 | |
Chris Lattner | 8b2ec16 | 2008-07-26 03:38:44 +0000 | [diff] [blame] | 2356 | // GNU ObjC bizarre protocol extension: <proto1,proto2> with implicit 'id'. |
| 2357 | case tok::less: |
| 2358 | return getLang().ObjC1; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2359 | |
Steve Naroff | f192fab | 2009-01-06 19:34:12 +0000 | [diff] [blame] | 2360 | case tok::kw___declspec: |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 2361 | case tok::kw___cdecl: |
| 2362 | case tok::kw___stdcall: |
| 2363 | case tok::kw___fastcall: |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 2364 | case tok::kw___thiscall: |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2365 | case tok::kw___w64: |
| 2366 | case tok::kw___ptr64: |
| 2367 | case tok::kw___forceinline: |
| 2368 | return true; |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2369 | } |
| 2370 | } |
| 2371 | |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2372 | bool Parser::isConstructorDeclarator() { |
| 2373 | TentativeParsingAction TPA(*this); |
| 2374 | |
| 2375 | // Parse the C++ scope specifier. |
| 2376 | CXXScopeSpec SS; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2377 | if (ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true)) { |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2378 | TPA.Revert(); |
| 2379 | return false; |
| 2380 | } |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2381 | |
| 2382 | // Parse the constructor name. |
| 2383 | if (Tok.is(tok::identifier) || Tok.is(tok::annot_template_id)) { |
| 2384 | // We already know that we have a constructor name; just consume |
| 2385 | // the token. |
| 2386 | ConsumeToken(); |
| 2387 | } else { |
| 2388 | TPA.Revert(); |
| 2389 | return false; |
| 2390 | } |
| 2391 | |
| 2392 | // Current class name must be followed by a left parentheses. |
| 2393 | if (Tok.isNot(tok::l_paren)) { |
| 2394 | TPA.Revert(); |
| 2395 | return false; |
| 2396 | } |
| 2397 | ConsumeParen(); |
| 2398 | |
| 2399 | // A right parentheses or ellipsis signals that we have a constructor. |
| 2400 | if (Tok.is(tok::r_paren) || Tok.is(tok::ellipsis)) { |
| 2401 | TPA.Revert(); |
| 2402 | return true; |
| 2403 | } |
| 2404 | |
| 2405 | // If we need to, enter the specified scope. |
| 2406 | DeclaratorScopeObj DeclScopeObj(*this, SS); |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2407 | if (SS.isSet() && Actions.ShouldEnterDeclaratorScope(getCurScope(), SS)) |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2408 | DeclScopeObj.EnterDeclaratorScope(); |
| 2409 | |
| 2410 | // Check whether the next token(s) are part of a declaration |
| 2411 | // specifier, in which case we have the start of a parameter and, |
| 2412 | // therefore, we know that this is a constructor. |
| 2413 | bool IsConstructor = isDeclarationSpecifier(); |
| 2414 | TPA.Revert(); |
| 2415 | return IsConstructor; |
| 2416 | } |
Chris Lattner | b9093cd | 2006-08-04 04:39:53 +0000 | [diff] [blame] | 2417 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2418 | /// ParseTypeQualifierListOpt |
| 2419 | /// type-qualifier-list: [C99 6.7.5] |
| 2420 | /// type-qualifier |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2421 | /// [GNU] attributes [ only if AttributesAllowed=true ] |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2422 | /// type-qualifier-list type-qualifier |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2423 | /// [GNU] type-qualifier-list attributes [ only if AttributesAllowed=true ] |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2424 | /// [C++0x] attribute-specifier[opt] is allowed before cv-qualifier-seq |
| 2425 | /// if CXX0XAttributesAllowed = true |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2426 | /// |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2427 | void Parser::ParseTypeQualifierListOpt(DeclSpec &DS, bool GNUAttributesAllowed, |
| 2428 | bool CXX0XAttributesAllowed) { |
| 2429 | if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { |
| 2430 | SourceLocation Loc = Tok.getLocation(); |
| 2431 | CXX0XAttributeList Attr = ParseCXX0XAttributes(); |
| 2432 | if (CXX0XAttributesAllowed) |
| 2433 | DS.AddAttributes(Attr.AttrList); |
| 2434 | else |
| 2435 | Diag(Loc, diag::err_attributes_not_allowed); |
| 2436 | } |
| 2437 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2438 | while (1) { |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2439 | bool isInvalid = false; |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2440 | const char *PrevSpec = 0; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2441 | unsigned DiagID = 0; |
Chris Lattner | 60809f5 | 2006-11-28 05:18:46 +0000 | [diff] [blame] | 2442 | SourceLocation Loc = Tok.getLocation(); |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2443 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2444 | switch (Tok.getKind()) { |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2445 | case tok::kw_const: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2446 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_const , Loc, PrevSpec, DiagID, |
| 2447 | getLang()); |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2448 | break; |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2449 | case tok::kw_volatile: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2450 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_volatile, Loc, PrevSpec, DiagID, |
| 2451 | getLang()); |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2452 | break; |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2453 | case tok::kw_restrict: |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 2454 | isInvalid = DS.SetTypeQual(DeclSpec::TQ_restrict, Loc, PrevSpec, DiagID, |
| 2455 | getLang()); |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2456 | break; |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2457 | case tok::kw___w64: |
Steve Naroff | f9c29d4 | 2008-12-25 14:41:26 +0000 | [diff] [blame] | 2458 | case tok::kw___ptr64: |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 2459 | case tok::kw___cdecl: |
| 2460 | case tok::kw___stdcall: |
| 2461 | case tok::kw___fastcall: |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 2462 | case tok::kw___thiscall: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2463 | if (GNUAttributesAllowed) { |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2464 | DS.AddAttributes(ParseMicrosoftTypeAttributes()); |
| 2465 | continue; |
| 2466 | } |
| 2467 | goto DoneWithTypeQuals; |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 2468 | case tok::kw___attribute: |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2469 | if (GNUAttributesAllowed) { |
| 2470 | DS.AddAttributes(ParseGNUAttributes()); |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2471 | continue; // do *not* consume the next token! |
| 2472 | } |
| 2473 | // otherwise, FALL THROUGH! |
| 2474 | default: |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 2475 | DoneWithTypeQuals: |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2476 | // If this is not a type-qualifier token, we're done reading type |
| 2477 | // qualifiers. First verify that DeclSpec's are consistent. |
Douglas Gregor | e3e01a2 | 2009-04-01 22:41:11 +0000 | [diff] [blame] | 2478 | DS.Finish(Diags, PP); |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2479 | return; |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2480 | } |
Chris Lattner | b6ec4e7 | 2008-12-18 06:50:14 +0000 | [diff] [blame] | 2481 | |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2482 | // If the specifier combination wasn't legal, issue a diagnostic. |
| 2483 | if (isInvalid) { |
| 2484 | assert(PrevSpec && "Method did not return previous specifier!"); |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 2485 | Diag(Tok, DiagID) << PrevSpec; |
Chris Lattner | d9c3c59 | 2006-08-05 06:26:47 +0000 | [diff] [blame] | 2486 | } |
| 2487 | ConsumeToken(); |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2488 | } |
| 2489 | } |
| 2490 | |
Chris Lattner | d5d0a6c | 2006-08-07 00:58:14 +0000 | [diff] [blame] | 2491 | |
| 2492 | /// ParseDeclarator - Parse and verify a newly-initialized declarator. |
| 2493 | /// |
| 2494 | void Parser::ParseDeclarator(Declarator &D) { |
| 2495 | /// This implements the 'declarator' production in the C grammar, then checks |
| 2496 | /// for well-formedness and issues diagnostics. |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2497 | ParseDeclaratorInternal(D, &Parser::ParseDirectDeclarator); |
Chris Lattner | d5d0a6c | 2006-08-07 00:58:14 +0000 | [diff] [blame] | 2498 | } |
| 2499 | |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2500 | /// ParseDeclaratorInternal - Parse a C or C++ declarator. The direct-declarator |
| 2501 | /// is parsed by the function passed to it. Pass null, and the direct-declarator |
| 2502 | /// isn't parsed at all, making this function effectively parse the C++ |
Douglas Gregor | dbc5daf | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2503 | /// ptr-operator production. |
| 2504 | /// |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2505 | /// declarator: [C99 6.7.5] [C++ 8p4, dcl.decl] |
| 2506 | /// [C] pointer[opt] direct-declarator |
| 2507 | /// [C++] direct-declarator |
| 2508 | /// [C++] ptr-operator declarator |
Chris Lattner | 6c7416c | 2006-08-07 00:19:33 +0000 | [diff] [blame] | 2509 | /// |
| 2510 | /// pointer: [C99 6.7.5] |
| 2511 | /// '*' type-qualifier-list[opt] |
| 2512 | /// '*' type-qualifier-list[opt] pointer |
| 2513 | /// |
Douglas Gregor | dbc5daf | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2514 | /// ptr-operator: |
| 2515 | /// '*' cv-qualifier-seq[opt] |
| 2516 | /// '&' |
Sebastian Redl | ed0f3b0 | 2009-03-15 22:02:01 +0000 | [diff] [blame] | 2517 | /// [C++0x] '&&' |
Douglas Gregor | dbc5daf | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2518 | /// [GNU] '&' restrict[opt] attributes[opt] |
Sebastian Redl | ed0f3b0 | 2009-03-15 22:02:01 +0000 | [diff] [blame] | 2519 | /// [GNU?] '&&' restrict[opt] attributes[opt] |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2520 | /// '::'[opt] nested-name-specifier '*' cv-qualifier-seq[opt] |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2521 | void Parser::ParseDeclaratorInternal(Declarator &D, |
| 2522 | DirectDeclParseFunction DirectDeclParser) { |
Douglas Gregor | 66a985d | 2009-08-26 14:27:30 +0000 | [diff] [blame] | 2523 | if (Diags.hasAllExtensionsSilenced()) |
| 2524 | D.setExtension(); |
Douglas Gregor | c49f5b2 | 2010-08-23 18:23:48 +0000 | [diff] [blame] | 2525 | |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2526 | // C++ member pointers start with a '::' or a nested-name. |
| 2527 | // Member pointers get special handling, since there's no place for the |
| 2528 | // scope spec in the generic path below. |
Chris Lattner | 803802d | 2009-03-24 17:04:48 +0000 | [diff] [blame] | 2529 | if (getLang().CPlusPlus && |
| 2530 | (Tok.is(tok::coloncolon) || Tok.is(tok::identifier) || |
| 2531 | Tok.is(tok::annot_cxxscope))) { |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2532 | CXXScopeSpec SS; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2533 | ParseOptionalCXXScopeSpecifier(SS, ParsedType(), true); // ignore fail |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2534 | |
Jeffrey Yasskin | 4e150f8 | 2010-04-07 23:29:58 +0000 | [diff] [blame] | 2535 | if (SS.isNotEmpty()) { |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2536 | if (Tok.isNot(tok::star)) { |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2537 | // The scope spec really belongs to the direct-declarator. |
| 2538 | D.getCXXScopeSpec() = SS; |
| 2539 | if (DirectDeclParser) |
| 2540 | (this->*DirectDeclParser)(D); |
| 2541 | return; |
| 2542 | } |
| 2543 | |
| 2544 | SourceLocation Loc = ConsumeToken(); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2545 | D.SetRangeEnd(Loc); |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2546 | DeclSpec DS; |
| 2547 | ParseTypeQualifierListOpt(DS); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2548 | D.ExtendWithDeclSpec(DS); |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2549 | |
| 2550 | // Recurse to parse whatever is left. |
| 2551 | ParseDeclaratorInternal(D, DirectDeclParser); |
| 2552 | |
| 2553 | // Sema will have to catch (syntactically invalid) pointers into global |
| 2554 | // scope. It has to catch pointers into namespace scope anyway. |
| 2555 | D.AddTypeInfo(DeclaratorChunk::getMemberPointer(SS,DS.getTypeQualifiers(), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2556 | Loc, DS.TakeAttributes()), |
| 2557 | /* Don't replace range end. */SourceLocation()); |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2558 | return; |
| 2559 | } |
| 2560 | } |
| 2561 | |
| 2562 | tok::TokenKind Kind = Tok.getKind(); |
Steve Naroff | ec33ed9 | 2008-08-27 16:04:49 +0000 | [diff] [blame] | 2563 | // Not a pointer, C++ reference, or block. |
Chris Lattner | 9eac931 | 2009-03-27 04:18:06 +0000 | [diff] [blame] | 2564 | if (Kind != tok::star && Kind != tok::caret && |
Chris Lattner | 803802d | 2009-03-24 17:04:48 +0000 | [diff] [blame] | 2565 | (Kind != tok::amp || !getLang().CPlusPlus) && |
Sebastian Redl | 3b27be6 | 2009-03-23 00:00:23 +0000 | [diff] [blame] | 2566 | // We parse rvalue refs in C++03, because otherwise the errors are scary. |
Chris Lattner | 9eac931 | 2009-03-27 04:18:06 +0000 | [diff] [blame] | 2567 | (Kind != tok::ampamp || !getLang().CPlusPlus)) { |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2568 | if (DirectDeclParser) |
| 2569 | (this->*DirectDeclParser)(D); |
Douglas Gregor | dbc5daf | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2570 | return; |
| 2571 | } |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2572 | |
Sebastian Redl | ed0f3b0 | 2009-03-15 22:02:01 +0000 | [diff] [blame] | 2573 | // Otherwise, '*' -> pointer, '^' -> block, '&' -> lvalue reference, |
| 2574 | // '&&' -> rvalue reference |
Sebastian Redl | 3b27be6 | 2009-03-23 00:00:23 +0000 | [diff] [blame] | 2575 | SourceLocation Loc = ConsumeToken(); // Eat the *, ^, & or &&. |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2576 | D.SetRangeEnd(Loc); |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2577 | |
Chris Lattner | 9eac931 | 2009-03-27 04:18:06 +0000 | [diff] [blame] | 2578 | if (Kind == tok::star || Kind == tok::caret) { |
Chris Lattner | 788404f | 2008-02-21 01:32:26 +0000 | [diff] [blame] | 2579 | // Is a pointer. |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2580 | DeclSpec DS; |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2581 | |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2582 | ParseTypeQualifierListOpt(DS); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2583 | D.ExtendWithDeclSpec(DS); |
Sebastian Redl | 9ed6efd | 2009-01-24 21:16:55 +0000 | [diff] [blame] | 2584 | |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2585 | // Recursively parse the declarator. |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2586 | ParseDeclaratorInternal(D, DirectDeclParser); |
Steve Naroff | ec33ed9 | 2008-08-27 16:04:49 +0000 | [diff] [blame] | 2587 | if (Kind == tok::star) |
| 2588 | // Remember that we parsed a pointer type, and remember the type-quals. |
| 2589 | D.AddTypeInfo(DeclaratorChunk::getPointer(DS.getTypeQualifiers(), Loc, |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2590 | DS.TakeAttributes()), |
| 2591 | SourceLocation()); |
Steve Naroff | ec33ed9 | 2008-08-27 16:04:49 +0000 | [diff] [blame] | 2592 | else |
| 2593 | // Remember that we parsed a Block type, and remember the type-quals. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2594 | D.AddTypeInfo(DeclaratorChunk::getBlockPointer(DS.getTypeQualifiers(), |
Mike Stump | 3214d12 | 2009-04-21 00:51:43 +0000 | [diff] [blame] | 2595 | Loc, DS.TakeAttributes()), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2596 | SourceLocation()); |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2597 | } else { |
| 2598 | // Is a reference |
Bill Wendling | 93efb22 | 2007-06-02 23:28:54 +0000 | [diff] [blame] | 2599 | DeclSpec DS; |
| 2600 | |
Sebastian Redl | 3b27be6 | 2009-03-23 00:00:23 +0000 | [diff] [blame] | 2601 | // Complain about rvalue references in C++03, but then go on and build |
| 2602 | // the declarator. |
| 2603 | if (Kind == tok::ampamp && !getLang().CPlusPlus0x) |
| 2604 | Diag(Loc, diag::err_rvalue_reference); |
| 2605 | |
Bill Wendling | 93efb22 | 2007-06-02 23:28:54 +0000 | [diff] [blame] | 2606 | // C++ 8.3.2p1: cv-qualified references are ill-formed except when the |
| 2607 | // cv-qualifiers are introduced through the use of a typedef or of a |
| 2608 | // template type argument, in which case the cv-qualifiers are ignored. |
| 2609 | // |
| 2610 | // [GNU] Retricted references are allowed. |
| 2611 | // [GNU] Attributes on references are allowed. |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2612 | // [C++0x] Attributes on references are not allowed. |
| 2613 | ParseTypeQualifierListOpt(DS, true, false); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2614 | D.ExtendWithDeclSpec(DS); |
Bill Wendling | 93efb22 | 2007-06-02 23:28:54 +0000 | [diff] [blame] | 2615 | |
| 2616 | if (DS.getTypeQualifiers() != DeclSpec::TQ_unspecified) { |
| 2617 | if (DS.getTypeQualifiers() & DeclSpec::TQ_const) |
| 2618 | Diag(DS.getConstSpecLoc(), |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 2619 | diag::err_invalid_reference_qualifier_application) << "const"; |
Bill Wendling | 93efb22 | 2007-06-02 23:28:54 +0000 | [diff] [blame] | 2620 | if (DS.getTypeQualifiers() & DeclSpec::TQ_volatile) |
| 2621 | Diag(DS.getVolatileSpecLoc(), |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 2622 | diag::err_invalid_reference_qualifier_application) << "volatile"; |
Bill Wendling | 93efb22 | 2007-06-02 23:28:54 +0000 | [diff] [blame] | 2623 | } |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2624 | |
| 2625 | // Recursively parse the declarator. |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2626 | ParseDeclaratorInternal(D, DirectDeclParser); |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2627 | |
Douglas Gregor | 66583c5 | 2008-11-03 15:51:28 +0000 | [diff] [blame] | 2628 | if (D.getNumTypeObjects() > 0) { |
| 2629 | // C++ [dcl.ref]p4: There shall be no references to references. |
| 2630 | DeclaratorChunk& InnerChunk = D.getTypeObject(D.getNumTypeObjects() - 1); |
| 2631 | if (InnerChunk.Kind == DeclaratorChunk::Reference) { |
Chris Lattner | ebad6a2 | 2008-11-19 07:37:42 +0000 | [diff] [blame] | 2632 | if (const IdentifierInfo *II = D.getIdentifier()) |
| 2633 | Diag(InnerChunk.Loc, diag::err_illegal_decl_reference_to_reference) |
| 2634 | << II; |
| 2635 | else |
| 2636 | Diag(InnerChunk.Loc, diag::err_illegal_decl_reference_to_reference) |
| 2637 | << "type name"; |
Douglas Gregor | 66583c5 | 2008-11-03 15:51:28 +0000 | [diff] [blame] | 2638 | |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2639 | // Once we've complained about the reference-to-reference, we |
Douglas Gregor | 66583c5 | 2008-11-03 15:51:28 +0000 | [diff] [blame] | 2640 | // can go ahead and build the (technically ill-formed) |
| 2641 | // declarator: reference collapsing will take care of it. |
| 2642 | } |
| 2643 | } |
| 2644 | |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2645 | // Remember that we parsed a reference type. It doesn't have type-quals. |
Chris Lattner | 788404f | 2008-02-21 01:32:26 +0000 | [diff] [blame] | 2646 | D.AddTypeInfo(DeclaratorChunk::getReference(DS.getTypeQualifiers(), Loc, |
Sebastian Redl | ed0f3b0 | 2009-03-15 22:02:01 +0000 | [diff] [blame] | 2647 | DS.TakeAttributes(), |
| 2648 | Kind == tok::amp), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2649 | SourceLocation()); |
Bill Wendling | 3708c18 | 2007-05-27 10:15:43 +0000 | [diff] [blame] | 2650 | } |
Chris Lattner | 6c7416c | 2006-08-07 00:19:33 +0000 | [diff] [blame] | 2651 | } |
| 2652 | |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2653 | /// ParseDirectDeclarator |
| 2654 | /// direct-declarator: [C99 6.7.5] |
Douglas Gregor | 831c93f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 2655 | /// [C99] identifier |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2656 | /// '(' declarator ')' |
| 2657 | /// [GNU] '(' attributes declarator ')' |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 2658 | /// [C90] direct-declarator '[' constant-expression[opt] ']' |
| 2659 | /// [C99] direct-declarator '[' type-qual-list[opt] assignment-expr[opt] ']' |
| 2660 | /// [C99] direct-declarator '[' 'static' type-qual-list[opt] assign-expr ']' |
| 2661 | /// [C99] direct-declarator '[' type-qual-list 'static' assignment-expr ']' |
| 2662 | /// [C99] direct-declarator '[' type-qual-list[opt] '*' ']' |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2663 | /// direct-declarator '(' parameter-type-list ')' |
| 2664 | /// direct-declarator '(' identifier-list[opt] ')' |
| 2665 | /// [GNU] direct-declarator '(' parameter-forward-declarations |
| 2666 | /// parameter-type-list[opt] ')' |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2667 | /// [C++] direct-declarator '(' parameter-declaration-clause ')' |
| 2668 | /// cv-qualifier-seq[opt] exception-specification[opt] |
Douglas Gregor | 61956c4 | 2008-10-31 09:07:45 +0000 | [diff] [blame] | 2669 | /// [C++] declarator-id |
Douglas Gregor | 831c93f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 2670 | /// |
| 2671 | /// declarator-id: [C++ 8] |
| 2672 | /// id-expression |
| 2673 | /// '::'[opt] nested-name-specifier[opt] type-name |
| 2674 | /// |
| 2675 | /// id-expression: [C++ 5.1] |
| 2676 | /// unqualified-id |
Douglas Gregor | d90fd52 | 2009-09-25 21:45:23 +0000 | [diff] [blame] | 2677 | /// qualified-id |
Douglas Gregor | 831c93f | 2008-11-05 20:51:48 +0000 | [diff] [blame] | 2678 | /// |
| 2679 | /// unqualified-id: [C++ 5.1] |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2680 | /// identifier |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2681 | /// operator-function-id |
Douglas Gregor | d90fd52 | 2009-09-25 21:45:23 +0000 | [diff] [blame] | 2682 | /// conversion-function-id |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2683 | /// '~' class-name |
Douglas Gregor | 7f74112 | 2009-02-25 19:37:18 +0000 | [diff] [blame] | 2684 | /// template-id |
Argyrios Kyrtzidis | e442635 | 2008-11-07 22:02:30 +0000 | [diff] [blame] | 2685 | /// |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2686 | void Parser::ParseDirectDeclarator(Declarator &D) { |
Argyrios Kyrtzidis | 9323b04 | 2008-11-26 22:40:03 +0000 | [diff] [blame] | 2687 | DeclaratorScopeObj DeclScopeObj(*this, D.getCXXScopeSpec()); |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2688 | |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2689 | if (getLang().CPlusPlus && D.mayHaveIdentifier()) { |
| 2690 | // ParseDeclaratorInternal might already have parsed the scope. |
Jeffrey Yasskin | c76498d | 2010-04-08 16:38:48 +0000 | [diff] [blame] | 2691 | if (D.getCXXScopeSpec().isEmpty()) { |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2692 | ParseOptionalCXXScopeSpecifier(D.getCXXScopeSpec(), ParsedType(), true); |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2693 | } |
| 2694 | |
Jeffrey Yasskin | c76498d | 2010-04-08 16:38:48 +0000 | [diff] [blame] | 2695 | if (D.getCXXScopeSpec().isValid()) { |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 2696 | if (Actions.ShouldEnterDeclaratorScope(getCurScope(), D.getCXXScopeSpec())) |
John McCall | 2b058ef | 2009-12-11 20:04:54 +0000 | [diff] [blame] | 2697 | // Change the declaration context for name lookup, until this function |
| 2698 | // is exited (and the declarator has been parsed). |
| 2699 | DeclScopeObj.EnterDeclaratorScope(); |
Jeffrey Yasskin | c76498d | 2010-04-08 16:38:48 +0000 | [diff] [blame] | 2700 | } |
| 2701 | |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2702 | if (Tok.is(tok::identifier) || Tok.is(tok::kw_operator) || |
| 2703 | Tok.is(tok::annot_template_id) || Tok.is(tok::tilde)) { |
| 2704 | // We found something that indicates the start of an unqualified-id. |
| 2705 | // Parse that unqualified-id. |
John McCall | 84821e7 | 2010-04-13 06:39:49 +0000 | [diff] [blame] | 2706 | bool AllowConstructorName; |
| 2707 | if (D.getDeclSpec().hasTypeSpecifier()) |
| 2708 | AllowConstructorName = false; |
| 2709 | else if (D.getCXXScopeSpec().isSet()) |
| 2710 | AllowConstructorName = |
| 2711 | (D.getContext() == Declarator::FileContext || |
| 2712 | (D.getContext() == Declarator::MemberContext && |
| 2713 | D.getDeclSpec().isFriendSpecified())); |
| 2714 | else |
| 2715 | AllowConstructorName = (D.getContext() == Declarator::MemberContext); |
| 2716 | |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2717 | if (ParseUnqualifiedId(D.getCXXScopeSpec(), |
| 2718 | /*EnteringContext=*/true, |
| 2719 | /*AllowDestructorName=*/true, |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2720 | AllowConstructorName, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2721 | ParsedType(), |
Jeffrey Yasskin | c76498d | 2010-04-08 16:38:48 +0000 | [diff] [blame] | 2722 | D.getName()) || |
| 2723 | // Once we're past the identifier, if the scope was bad, mark the |
| 2724 | // whole declarator bad. |
| 2725 | D.getCXXScopeSpec().isInvalid()) { |
Argyrios Kyrtzidis | 9323b04 | 2008-11-26 22:40:03 +0000 | [diff] [blame] | 2726 | D.SetIdentifier(0, Tok.getLocation()); |
| 2727 | D.setInvalidType(true); |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2728 | } else { |
| 2729 | // Parsed the unqualified-id; update range information and move along. |
| 2730 | if (D.getSourceRange().getBegin().isInvalid()) |
| 2731 | D.SetRangeBegin(D.getName().getSourceRange().getBegin()); |
| 2732 | D.SetRangeEnd(D.getName().getSourceRange().getEnd()); |
Douglas Gregor | dbc5daf | 2008-11-07 20:08:42 +0000 | [diff] [blame] | 2733 | } |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2734 | goto PastIdentifier; |
Douglas Gregor | 11d0c4c | 2008-11-06 22:13:31 +0000 | [diff] [blame] | 2735 | } |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2736 | } else if (Tok.is(tok::identifier) && D.mayHaveIdentifier()) { |
Argyrios Kyrtzidis | 9323b04 | 2008-11-26 22:40:03 +0000 | [diff] [blame] | 2737 | assert(!getLang().CPlusPlus && |
| 2738 | "There's a C++-specific check for tok::identifier above"); |
| 2739 | assert(Tok.getIdentifierInfo() && "Not an identifier?"); |
| 2740 | D.SetIdentifier(Tok.getIdentifierInfo(), Tok.getLocation()); |
| 2741 | ConsumeToken(); |
Douglas Gregor | 7861a80 | 2009-11-03 01:35:08 +0000 | [diff] [blame] | 2742 | goto PastIdentifier; |
| 2743 | } |
| 2744 | |
| 2745 | if (Tok.is(tok::l_paren)) { |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2746 | // direct-declarator: '(' declarator ')' |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 2747 | // direct-declarator: '(' attributes declarator ')' |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2748 | // Example: 'char (*X)' or 'int (*XX)(void)' |
| 2749 | ParseParenDeclarator(D); |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2750 | |
| 2751 | // If the declarator was parenthesized, we entered the declarator |
| 2752 | // scope when parsing the parenthesized declarator, then exited |
| 2753 | // the scope already. Re-enter the scope, if we need to. |
| 2754 | if (D.getCXXScopeSpec().isSet()) { |
Fariborz Jahanian | 358acd5 | 2010-08-17 23:50:37 +0000 | [diff] [blame] | 2755 | // If there was an error parsing parenthesized declarator, declarator |
| 2756 | // scope may have been enterred before. Don't do it again. |
| 2757 | if (!D.isInvalidType() && |
| 2758 | Actions.ShouldEnterDeclaratorScope(getCurScope(), D.getCXXScopeSpec())) |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2759 | // Change the declaration context for name lookup, until this function |
| 2760 | // is exited (and the declarator has been parsed). |
Fariborz Jahanian | 358acd5 | 2010-08-17 23:50:37 +0000 | [diff] [blame] | 2761 | DeclScopeObj.EnterDeclaratorScope(); |
Douglas Gregor | 9de54ea | 2010-01-13 17:31:36 +0000 | [diff] [blame] | 2762 | } |
Argyrios Kyrtzidis | 9323b04 | 2008-11-26 22:40:03 +0000 | [diff] [blame] | 2763 | } else if (D.mayOmitIdentifier()) { |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2764 | // This could be something simple like "int" (in which case the declarator |
| 2765 | // portion is empty), if an abstract-declarator is allowed. |
| 2766 | D.SetIdentifier(0, Tok.getLocation()); |
| 2767 | } else { |
Douglas Gregor | d9f92e2 | 2009-03-06 23:28:18 +0000 | [diff] [blame] | 2768 | if (D.getContext() == Declarator::MemberContext) |
| 2769 | Diag(Tok, diag::err_expected_member_name_or_semi) |
| 2770 | << D.getDeclSpec().getSourceRange(); |
| 2771 | else if (getLang().CPlusPlus) |
Douglas Gregor | 30d60cb | 2009-11-03 19:44:04 +0000 | [diff] [blame] | 2772 | Diag(Tok, diag::err_expected_unqualified_id) << getLang().CPlusPlus; |
Argyrios Kyrtzidis | 32a0379 | 2008-11-08 16:45:02 +0000 | [diff] [blame] | 2773 | else |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 2774 | Diag(Tok, diag::err_expected_ident_lparen); |
Chris Lattner | eec40f9 | 2006-08-06 21:55:29 +0000 | [diff] [blame] | 2775 | D.SetIdentifier(0, Tok.getLocation()); |
Chris Lattner | 8c5dd73 | 2008-11-11 06:13:16 +0000 | [diff] [blame] | 2776 | D.setInvalidType(true); |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2777 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2778 | |
Argyrios Kyrtzidis | 9323b04 | 2008-11-26 22:40:03 +0000 | [diff] [blame] | 2779 | PastIdentifier: |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2780 | assert(D.isPastIdentifier() && |
| 2781 | "Haven't past the location of the identifier yet?"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2782 | |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2783 | // Don't parse attributes unless we have an identifier. |
Douglas Gregor | 0286b46 | 2010-02-19 16:47:56 +0000 | [diff] [blame] | 2784 | if (D.getIdentifier() && getLang().CPlusPlus0x |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 2785 | && isCXX0XAttributeSpecifier(true)) { |
| 2786 | SourceLocation AttrEndLoc; |
| 2787 | CXX0XAttributeList Attr = ParseCXX0XAttributes(); |
| 2788 | D.AddAttributes(Attr.AttrList, AttrEndLoc); |
| 2789 | } |
| 2790 | |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2791 | while (1) { |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2792 | if (Tok.is(tok::l_paren)) { |
Argyrios Kyrtzidis | 9a1191c | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 2793 | // The paren may be part of a C++ direct initializer, eg. "int x(1);". |
| 2794 | // In such a case, check if we actually have a function declarator; if it |
| 2795 | // is not, the declarator has been fully parsed. |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2796 | if (getLang().CPlusPlus && D.mayBeFollowedByCXXDirectInit()) { |
| 2797 | // When not in file scope, warn for ambiguous function declarators, just |
| 2798 | // in case the author intended it as a variable definition. |
| 2799 | bool warnIfAmbiguous = D.getContext() != Declarator::FileContext; |
| 2800 | if (!isCXXFunctionDeclarator(warnIfAmbiguous)) |
| 2801 | break; |
| 2802 | } |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2803 | ParseFunctionDeclarator(ConsumeParen(), D); |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2804 | } else if (Tok.is(tok::l_square)) { |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 2805 | ParseBracketDeclarator(D); |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2806 | } else { |
| 2807 | break; |
| 2808 | } |
| 2809 | } |
| 2810 | } |
| 2811 | |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2812 | /// ParseParenDeclarator - We parsed the declarator D up to a paren. This is |
| 2813 | /// only called before the identifier, so these are most likely just grouping |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2814 | /// parens for precedence. If we find that these are actually function |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2815 | /// parameter parens in an abstract-declarator, we call ParseFunctionDeclarator. |
| 2816 | /// |
| 2817 | /// direct-declarator: |
| 2818 | /// '(' declarator ')' |
| 2819 | /// [GNU] '(' attributes declarator ')' |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2820 | /// direct-declarator '(' parameter-type-list ')' |
| 2821 | /// direct-declarator '(' identifier-list[opt] ')' |
| 2822 | /// [GNU] direct-declarator '(' parameter-forward-declarations |
| 2823 | /// parameter-type-list[opt] ')' |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2824 | /// |
| 2825 | void Parser::ParseParenDeclarator(Declarator &D) { |
| 2826 | SourceLocation StartLoc = ConsumeParen(); |
| 2827 | assert(!D.isPastIdentifier() && "Should be called before passing identifier"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2828 | |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2829 | // Eat any attributes before we look at whether this is a grouping or function |
| 2830 | // declarator paren. If this is a grouping paren, the attribute applies to |
| 2831 | // the type being built up, for example: |
| 2832 | // int (__attribute__(()) *x)(long y) |
| 2833 | // If this ends up not being a grouping paren, the attribute applies to the |
| 2834 | // first argument, for example: |
| 2835 | // int (__attribute__(()) int x) |
| 2836 | // In either case, we need to eat any attributes to be able to determine what |
| 2837 | // sort of paren this is. |
| 2838 | // |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2839 | llvm::OwningPtr<AttributeList> AttrList; |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2840 | bool RequiresArg = false; |
| 2841 | if (Tok.is(tok::kw___attribute)) { |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2842 | AttrList.reset(ParseGNUAttributes()); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2843 | |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2844 | // We require that the argument list (if this is a non-grouping paren) be |
| 2845 | // present even if the attribute list was empty. |
| 2846 | RequiresArg = true; |
| 2847 | } |
Steve Naroff | 44ac777 | 2008-12-25 14:16:32 +0000 | [diff] [blame] | 2848 | // Eat any Microsoft extensions. |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2849 | if (Tok.is(tok::kw___cdecl) || Tok.is(tok::kw___stdcall) || |
Douglas Gregor | a941dca | 2010-05-18 16:57:00 +0000 | [diff] [blame] | 2850 | Tok.is(tok::kw___thiscall) || Tok.is(tok::kw___fastcall) || |
| 2851 | Tok.is(tok::kw___w64) || Tok.is(tok::kw___ptr64)) { |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2852 | AttrList.reset(ParseMicrosoftTypeAttributes(AttrList.take())); |
Eli Friedman | 53339e0 | 2009-06-08 23:27:34 +0000 | [diff] [blame] | 2853 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2854 | |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2855 | // If we haven't past the identifier yet (or where the identifier would be |
| 2856 | // stored, if this is an abstract declarator), then this is probably just |
| 2857 | // grouping parens. However, if this could be an abstract-declarator, then |
| 2858 | // this could also be the start of function arguments (consider 'void()'). |
| 2859 | bool isGrouping; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2860 | |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2861 | if (!D.mayOmitIdentifier()) { |
| 2862 | // If this can't be an abstract-declarator, this *must* be a grouping |
| 2863 | // paren, because we haven't seen the identifier yet. |
| 2864 | isGrouping = true; |
| 2865 | } else if (Tok.is(tok::r_paren) || // 'int()' is a function. |
Argyrios Kyrtzidis | e8addf5 | 2008-10-06 00:07:55 +0000 | [diff] [blame] | 2866 | (getLang().CPlusPlus && Tok.is(tok::ellipsis)) || // C++ int(...) |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2867 | isDeclarationSpecifier()) { // 'int(int)' is a function. |
| 2868 | // This handles C99 6.7.5.3p11: in "typedef int X; void foo(X)", X is |
| 2869 | // considered to be a type, not a K&R identifier-list. |
| 2870 | isGrouping = false; |
| 2871 | } else { |
| 2872 | // Otherwise, this is a grouping paren, e.g. 'int (*X)' or 'int(X)'. |
| 2873 | isGrouping = true; |
| 2874 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2875 | |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2876 | // If this is a grouping paren, handle: |
| 2877 | // direct-declarator: '(' declarator ')' |
| 2878 | // direct-declarator: '(' attributes declarator ')' |
| 2879 | if (isGrouping) { |
Argyrios Kyrtzidis | 8ae3684 | 2008-10-07 10:21:57 +0000 | [diff] [blame] | 2880 | bool hadGroupingParens = D.hasGroupingParens(); |
Argyrios Kyrtzidis | 9a1191c | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 2881 | D.setGroupingParens(true); |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2882 | if (AttrList) |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2883 | D.AddAttributes(AttrList.take(), SourceLocation()); |
Argyrios Kyrtzidis | 9a1191c | 2008-10-06 17:10:33 +0000 | [diff] [blame] | 2884 | |
Sebastian Redl | bd150f4 | 2008-11-21 19:14:01 +0000 | [diff] [blame] | 2885 | ParseDeclaratorInternal(D, &Parser::ParseDirectDeclarator); |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2886 | // Match the ')'. |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2887 | SourceLocation Loc = MatchRHSPunctuation(tok::r_paren, StartLoc); |
Argyrios Kyrtzidis | 8ae3684 | 2008-10-07 10:21:57 +0000 | [diff] [blame] | 2888 | |
| 2889 | D.setGroupingParens(hadGroupingParens); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2890 | D.SetRangeEnd(Loc); |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2891 | return; |
| 2892 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2893 | |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2894 | // Okay, if this wasn't a grouping paren, it must be the start of a function |
| 2895 | // argument list. Recognize that this declarator will never have an |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2896 | // identifier (and remember where it would have been), then call into |
| 2897 | // ParseFunctionDeclarator to handle of argument list. |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2898 | D.SetIdentifier(0, Tok.getLocation()); |
| 2899 | |
Ted Kremenek | c162e8e | 2010-02-11 02:19:13 +0000 | [diff] [blame] | 2900 | ParseFunctionDeclarator(StartLoc, D, AttrList.take(), RequiresArg); |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2901 | } |
| 2902 | |
| 2903 | /// ParseFunctionDeclarator - We are after the identifier and have parsed the |
| 2904 | /// declarator D up to a paren, which indicates that we are parsing function |
| 2905 | /// arguments. |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2906 | /// |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2907 | /// If AttrList is non-null, then the caller parsed those arguments immediately |
| 2908 | /// after the open paren - they should be considered to be the first argument of |
| 2909 | /// a parameter. If RequiresArg is true, then the first argument of the |
| 2910 | /// function is required to be present and required to not be an identifier |
| 2911 | /// list. |
| 2912 | /// |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2913 | /// This method also handles this portion of the grammar: |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2914 | /// parameter-type-list: [C99 6.7.5] |
| 2915 | /// parameter-list |
| 2916 | /// parameter-list ',' '...' |
Douglas Gregor | 9bfc2e5 | 2009-09-22 21:41:40 +0000 | [diff] [blame] | 2917 | /// [C++] parameter-list '...' |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2918 | /// |
| 2919 | /// parameter-list: [C99 6.7.5] |
| 2920 | /// parameter-declaration |
| 2921 | /// parameter-list ',' parameter-declaration |
| 2922 | /// |
| 2923 | /// parameter-declaration: [C99 6.7.5] |
| 2924 | /// declaration-specifiers declarator |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 2925 | /// [C++] declaration-specifiers declarator '=' assignment-expression |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 2926 | /// [GNU] declaration-specifiers declarator attributes |
Sebastian Redl | f769df5 | 2009-03-24 22:27:57 +0000 | [diff] [blame] | 2927 | /// declaration-specifiers abstract-declarator[opt] |
| 2928 | /// [C++] declaration-specifiers abstract-declarator[opt] |
Chris Lattner | 5825824 | 2008-04-10 02:22:51 +0000 | [diff] [blame] | 2929 | /// '=' assignment-expression |
Chris Lattner | e37e233 | 2006-08-15 04:50:22 +0000 | [diff] [blame] | 2930 | /// [GNU] declaration-specifiers abstract-declarator[opt] attributes |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 2931 | /// |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2932 | /// For C++, after the parameter-list, it also parses "cv-qualifier-seq[opt]" |
Sebastian Redl | f769df5 | 2009-03-24 22:27:57 +0000 | [diff] [blame] | 2933 | /// and "exception-specification[opt]". |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2934 | /// |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2935 | void Parser::ParseFunctionDeclarator(SourceLocation LParenLoc, Declarator &D, |
| 2936 | AttributeList *AttrList, |
| 2937 | bool RequiresArg) { |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 2938 | // lparen is already consumed! |
| 2939 | assert(D.isPastIdentifier() && "Should not call before identifier!"); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 2940 | |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2941 | // This parameter list may be empty. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 2942 | if (Tok.is(tok::r_paren)) { |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2943 | if (RequiresArg) { |
Chris Lattner | 6d29c10 | 2008-11-18 07:48:38 +0000 | [diff] [blame] | 2944 | Diag(Tok, diag::err_argument_required_after_attribute); |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2945 | delete AttrList; |
| 2946 | } |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2947 | |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 2948 | SourceLocation RParenLoc = ConsumeParen(); // Eat the closing ')'. |
| 2949 | SourceLocation EndLoc = RParenLoc; |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2950 | |
| 2951 | // cv-qualifier-seq[opt]. |
| 2952 | DeclSpec DS; |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2953 | bool hasExceptionSpec = false; |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 2954 | SourceLocation ThrowLoc; |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2955 | bool hasAnyExceptionSpec = false; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 2956 | llvm::SmallVector<ParsedType, 2> Exceptions; |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 2957 | llvm::SmallVector<SourceRange, 2> ExceptionRanges; |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2958 | if (getLang().CPlusPlus) { |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 2959 | ParseTypeQualifierListOpt(DS, false /*no attributes*/); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 2960 | if (!DS.getSourceRange().getEnd().isInvalid()) |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 2961 | EndLoc = DS.getSourceRange().getEnd(); |
Douglas Gregor | 2afd0be | 2008-11-25 03:22:00 +0000 | [diff] [blame] | 2962 | |
| 2963 | // Parse exception-specification[opt]. |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2964 | if (Tok.is(tok::kw_throw)) { |
| 2965 | hasExceptionSpec = true; |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 2966 | ThrowLoc = Tok.getLocation(); |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 2967 | ParseExceptionSpecification(EndLoc, Exceptions, ExceptionRanges, |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 2968 | hasAnyExceptionSpec); |
| 2969 | assert(Exceptions.size() == ExceptionRanges.size() && |
| 2970 | "Produced different number of exception types and ranges."); |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2971 | } |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2972 | } |
| 2973 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 2974 | // Remember that we parsed a function type, and remember the attributes. |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 2975 | // int() -> no prototype, no '...'. |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2976 | D.AddTypeInfo(DeclaratorChunk::getFunction(/*prototype*/getLang().CPlusPlus, |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 2977 | /*variadic*/ false, |
Douglas Gregor | 94349fd | 2009-02-18 07:07:28 +0000 | [diff] [blame] | 2978 | SourceLocation(), |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 2979 | /*arglist*/ 0, 0, |
| 2980 | DS.getTypeQualifiers(), |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 2981 | hasExceptionSpec, ThrowLoc, |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2982 | hasAnyExceptionSpec, |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 2983 | Exceptions.data(), |
| 2984 | ExceptionRanges.data(), |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 2985 | Exceptions.size(), |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 2986 | LParenLoc, RParenLoc, D), |
| 2987 | EndLoc); |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 2988 | return; |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 2989 | } |
| 2990 | |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2991 | // Alternatively, this parameter list may be an identifier list form for a |
| 2992 | // K&R-style function: void foo(a,b,c) |
John Thompson | 2233460 | 2010-02-05 00:12:22 +0000 | [diff] [blame] | 2993 | if (!getLang().CPlusPlus && Tok.is(tok::identifier) |
| 2994 | && !TryAltiVecVectorToken()) { |
John McCall | 1f476a1 | 2010-02-26 08:45:28 +0000 | [diff] [blame] | 2995 | if (TryAnnotateTypeOrScopeToken() || !Tok.is(tok::annot_typename)) { |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 2996 | // K&R identifier lists can't have typedefs as identifiers, per |
| 2997 | // C99 6.7.5.3p11. |
Steve Naroff | b048672 | 2009-01-28 19:16:40 +0000 | [diff] [blame] | 2998 | if (RequiresArg) { |
| 2999 | Diag(Tok, diag::err_argument_required_after_attribute); |
| 3000 | delete AttrList; |
| 3001 | } |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3002 | |
Steve Naroff | b048672 | 2009-01-28 19:16:40 +0000 | [diff] [blame] | 3003 | // Identifier list. Note that '(' identifier-list ')' is only allowed for |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3004 | // normal declarators, not for abstract-declarators. Get the first |
| 3005 | // identifier. |
Chris Lattner | ff895c1 | 2010-05-14 17:44:56 +0000 | [diff] [blame] | 3006 | Token FirstTok = Tok; |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3007 | ConsumeToken(); // eat the first identifier. |
Chris Lattner | ff895c1 | 2010-05-14 17:44:56 +0000 | [diff] [blame] | 3008 | |
| 3009 | // Identifier lists follow a really simple grammar: the identifiers can |
| 3010 | // be followed *only* by a ", moreidentifiers" or ")". However, K&R |
| 3011 | // identifier lists are really rare in the brave new modern world, and it |
| 3012 | // is very common for someone to typo a type in a non-k&r style list. If |
| 3013 | // we are presented with something like: "void foo(intptr x, float y)", |
| 3014 | // we don't want to start parsing the function declarator as though it is |
| 3015 | // a K&R style declarator just because intptr is an invalid type. |
| 3016 | // |
| 3017 | // To handle this, we check to see if the token after the first identifier |
| 3018 | // is a "," or ")". Only if so, do we parse it as an identifier list. |
| 3019 | if (Tok.is(tok::comma) || Tok.is(tok::r_paren)) |
| 3020 | return ParseFunctionDeclaratorIdentifierList(LParenLoc, |
| 3021 | FirstTok.getIdentifierInfo(), |
| 3022 | FirstTok.getLocation(), D); |
| 3023 | |
| 3024 | // If we get here, the code is invalid. Push the first identifier back |
| 3025 | // into the token stream and parse the first argument as an (invalid) |
| 3026 | // normal argument declarator. |
| 3027 | PP.EnterToken(Tok); |
| 3028 | Tok = FirstTok; |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 3029 | } |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3030 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3031 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3032 | // Finally, a normal, non-empty parameter type list. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3033 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3034 | // Build up an array of information about the parsed arguments. |
| 3035 | llvm::SmallVector<DeclaratorChunk::ParamInfo, 16> ParamInfo; |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 3036 | |
| 3037 | // Enter function-declaration scope, limiting any declarators to the |
| 3038 | // function prototype scope, including parameter declarators. |
Chris Lattner | bd61a95 | 2009-03-05 00:00:31 +0000 | [diff] [blame] | 3039 | ParseScope PrototypeScope(this, |
| 3040 | Scope::FunctionPrototypeScope|Scope::DeclScope); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3041 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3042 | bool IsVariadic = false; |
Douglas Gregor | 94349fd | 2009-02-18 07:07:28 +0000 | [diff] [blame] | 3043 | SourceLocation EllipsisLoc; |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3044 | while (1) { |
| 3045 | if (Tok.is(tok::ellipsis)) { |
| 3046 | IsVariadic = true; |
Douglas Gregor | 94349fd | 2009-02-18 07:07:28 +0000 | [diff] [blame] | 3047 | EllipsisLoc = ConsumeToken(); // Consume the ellipsis. |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3048 | break; |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 3049 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3050 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3051 | SourceLocation DSStart = Tok.getLocation(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3052 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3053 | // Parse the declaration-specifiers. |
John McCall | 28a6aea | 2009-11-04 02:18:39 +0000 | [diff] [blame] | 3054 | // Just use the ParsingDeclaration "scope" of the declarator. |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3055 | DeclSpec DS; |
Chris Lattner | 8ff2c6c | 2008-10-20 02:05:46 +0000 | [diff] [blame] | 3056 | |
| 3057 | // If the caller parsed attributes for the first argument, add them now. |
| 3058 | if (AttrList) { |
| 3059 | DS.AddAttributes(AttrList); |
| 3060 | AttrList = 0; // Only apply the attributes to the first parameter. |
| 3061 | } |
Chris Lattner | de39c3e | 2009-02-27 18:38:20 +0000 | [diff] [blame] | 3062 | ParseDeclarationSpecifiers(DS); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3063 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3064 | // Parse the declarator. This is "PrototypeContext", because we must |
| 3065 | // accept either 'declarator' or 'abstract-declarator' here. |
| 3066 | Declarator ParmDecl(DS, Declarator::PrototypeContext); |
| 3067 | ParseDeclarator(ParmDecl); |
| 3068 | |
| 3069 | // Parse GNU attributes, if present. |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3070 | if (Tok.is(tok::kw___attribute)) { |
| 3071 | SourceLocation Loc; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 3072 | AttributeList *AttrList = ParseGNUAttributes(&Loc); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3073 | ParmDecl.AddAttributes(AttrList, Loc); |
| 3074 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3075 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3076 | // Remember this parsed parameter in ParamInfo. |
| 3077 | IdentifierInfo *ParmII = ParmDecl.getIdentifier(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3078 | |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3079 | // DefArgToks is used when the parsing of default arguments needs |
| 3080 | // to be delayed. |
| 3081 | CachedTokens *DefArgToks = 0; |
| 3082 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3083 | // If no parameter was specified, verify that *something* was specified, |
| 3084 | // otherwise we have a missing type and identifier. |
Chris Lattner | de39c3e | 2009-02-27 18:38:20 +0000 | [diff] [blame] | 3085 | if (DS.isEmpty() && ParmDecl.getIdentifier() == 0 && |
| 3086 | ParmDecl.getNumTypeObjects() == 0) { |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3087 | // Completely missing, emit error. |
| 3088 | Diag(DSStart, diag::err_missing_param); |
| 3089 | } else { |
| 3090 | // Otherwise, we have something. Add it and let semantic analysis try |
| 3091 | // to grok it and add the result to the ParamInfo we are building. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3092 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3093 | // Inform the actions module about the parameter declarator, so it gets |
| 3094 | // added to the current scope. |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 3095 | Decl *Param = Actions.ActOnParamDeclarator(getCurScope(), ParmDecl); |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 3096 | |
| 3097 | // Parse the default argument, if any. We parse the default |
| 3098 | // arguments in all dialects; the semantic analysis in |
| 3099 | // ActOnParamDefaultArgument will reject the default argument in |
| 3100 | // C. |
| 3101 | if (Tok.is(tok::equal)) { |
Douglas Gregor | 5835403 | 2008-12-24 00:01:03 +0000 | [diff] [blame] | 3102 | SourceLocation EqualLoc = Tok.getLocation(); |
| 3103 | |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 3104 | // Parse the default argument |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3105 | if (D.getContext() == Declarator::MemberContext) { |
| 3106 | // If we're inside a class definition, cache the tokens |
| 3107 | // corresponding to the default argument. We'll actually parse |
| 3108 | // them when we see the end of the class definition. |
| 3109 | // FIXME: Templates will require something similar. |
| 3110 | // FIXME: Can we use a smart pointer for Toks? |
| 3111 | DefArgToks = new CachedTokens; |
| 3112 | |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3113 | if (!ConsumeAndStoreUntil(tok::comma, tok::r_paren, *DefArgToks, |
Argyrios Kyrtzidis | 8d7bdba | 2010-04-23 21:20:12 +0000 | [diff] [blame] | 3114 | /*StopAtSemi=*/true, |
| 3115 | /*ConsumeFinalToken=*/false)) { |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3116 | delete DefArgToks; |
| 3117 | DefArgToks = 0; |
Douglas Gregor | 5835403 | 2008-12-24 00:01:03 +0000 | [diff] [blame] | 3118 | Actions.ActOnParamDefaultArgumentError(Param); |
Argyrios Kyrtzidis | 249179c | 2010-08-06 09:47:24 +0000 | [diff] [blame] | 3119 | } else { |
| 3120 | // Mark the end of the default argument so that we know when to |
| 3121 | // stop when we parse it later on. |
| 3122 | Token DefArgEnd; |
| 3123 | DefArgEnd.startToken(); |
| 3124 | DefArgEnd.setKind(tok::cxx_defaultarg_end); |
| 3125 | DefArgEnd.setLocation(Tok.getLocation()); |
| 3126 | DefArgToks->push_back(DefArgEnd); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3127 | Actions.ActOnParamUnparsedDefaultArgument(Param, EqualLoc, |
Anders Carlsson | 84613c4 | 2009-06-12 16:51:40 +0000 | [diff] [blame] | 3128 | (*DefArgToks)[1].getLocation()); |
Argyrios Kyrtzidis | 249179c | 2010-08-06 09:47:24 +0000 | [diff] [blame] | 3129 | } |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 3130 | } else { |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3131 | // Consume the '='. |
Douglas Gregor | 5835403 | 2008-12-24 00:01:03 +0000 | [diff] [blame] | 3132 | ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3133 | |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3134 | OwningExprResult DefArgResult(ParseAssignmentExpression()); |
| 3135 | if (DefArgResult.isInvalid()) { |
| 3136 | Actions.ActOnParamDefaultArgumentError(Param); |
| 3137 | SkipUntil(tok::comma, tok::r_paren, true, true); |
| 3138 | } else { |
| 3139 | // Inform the actions module about the default argument |
| 3140 | Actions.ActOnParamDefaultArgument(Param, EqualLoc, |
John McCall | b268a28 | 2010-08-23 23:25:46 +0000 | [diff] [blame] | 3141 | DefArgResult.take()); |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3142 | } |
Chris Lattner | aa9c7ae | 2008-04-08 04:40:51 +0000 | [diff] [blame] | 3143 | } |
| 3144 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3145 | |
| 3146 | ParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, |
| 3147 | ParmDecl.getIdentifierLoc(), Param, |
Douglas Gregor | 4d87df5 | 2008-12-16 21:30:33 +0000 | [diff] [blame] | 3148 | DefArgToks)); |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3149 | } |
| 3150 | |
| 3151 | // If the next token is a comma, consume it and keep reading arguments. |
Douglas Gregor | 9bfc2e5 | 2009-09-22 21:41:40 +0000 | [diff] [blame] | 3152 | if (Tok.isNot(tok::comma)) { |
| 3153 | if (Tok.is(tok::ellipsis)) { |
| 3154 | IsVariadic = true; |
| 3155 | EllipsisLoc = ConsumeToken(); // Consume the ellipsis. |
| 3156 | |
| 3157 | if (!getLang().CPlusPlus) { |
| 3158 | // We have ellipsis without a preceding ',', which is ill-formed |
| 3159 | // in C. Complain and provide the fix. |
| 3160 | Diag(EllipsisLoc, diag::err_missing_comma_before_ellipsis) |
Douglas Gregor | a771f46 | 2010-03-31 17:46:05 +0000 | [diff] [blame] | 3161 | << FixItHint::CreateInsertion(EllipsisLoc, ", "); |
Douglas Gregor | 9bfc2e5 | 2009-09-22 21:41:40 +0000 | [diff] [blame] | 3162 | } |
| 3163 | } |
| 3164 | |
| 3165 | break; |
| 3166 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3167 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3168 | // Consume the comma. |
| 3169 | ConsumeToken(); |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 3170 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3171 | |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3172 | // Leave prototype scope. |
Douglas Gregor | 7307d6c | 2008-12-10 06:34:36 +0000 | [diff] [blame] | 3173 | PrototypeScope.Exit(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3174 | |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3175 | // If we have the closing ')', eat it. |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 3176 | SourceLocation RParenLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
| 3177 | SourceLocation EndLoc = RParenLoc; |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3178 | |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3179 | DeclSpec DS; |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3180 | bool hasExceptionSpec = false; |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 3181 | SourceLocation ThrowLoc; |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3182 | bool hasAnyExceptionSpec = false; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 3183 | llvm::SmallVector<ParsedType, 2> Exceptions; |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 3184 | llvm::SmallVector<SourceRange, 2> ExceptionRanges; |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 3185 | |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3186 | if (getLang().CPlusPlus) { |
Douglas Gregor | 2afd0be | 2008-11-25 03:22:00 +0000 | [diff] [blame] | 3187 | // Parse cv-qualifier-seq[opt]. |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 3188 | ParseTypeQualifierListOpt(DS, false /*no attributes*/); |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3189 | if (!DS.getSourceRange().getEnd().isInvalid()) |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 3190 | EndLoc = DS.getSourceRange().getEnd(); |
Douglas Gregor | 2afd0be | 2008-11-25 03:22:00 +0000 | [diff] [blame] | 3191 | |
| 3192 | // Parse exception-specification[opt]. |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3193 | if (Tok.is(tok::kw_throw)) { |
| 3194 | hasExceptionSpec = true; |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 3195 | ThrowLoc = Tok.getLocation(); |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 3196 | ParseExceptionSpecification(EndLoc, Exceptions, ExceptionRanges, |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 3197 | hasAnyExceptionSpec); |
| 3198 | assert(Exceptions.size() == ExceptionRanges.size() && |
| 3199 | "Produced different number of exception types and ranges."); |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3200 | } |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3201 | } |
| 3202 | |
Chris Lattner | d5d0a6c | 2006-08-07 00:58:14 +0000 | [diff] [blame] | 3203 | // Remember that we parsed a function type, and remember the attributes. |
Chris Lattner | 371ed4e | 2008-04-06 06:57:35 +0000 | [diff] [blame] | 3204 | D.AddTypeInfo(DeclaratorChunk::getFunction(/*proto*/true, IsVariadic, |
Douglas Gregor | 94349fd | 2009-02-18 07:07:28 +0000 | [diff] [blame] | 3205 | EllipsisLoc, |
Jay Foad | 7d0479f | 2009-05-21 09:52:38 +0000 | [diff] [blame] | 3206 | ParamInfo.data(), ParamInfo.size(), |
Argyrios Kyrtzidis | 22c40fa | 2008-10-24 21:46:40 +0000 | [diff] [blame] | 3207 | DS.getTypeQualifiers(), |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 3208 | hasExceptionSpec, ThrowLoc, |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3209 | hasAnyExceptionSpec, |
Sebastian Redl | d643456 | 2009-05-29 18:02:33 +0000 | [diff] [blame] | 3210 | Exceptions.data(), |
| 3211 | ExceptionRanges.data(), |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 3212 | Exceptions.size(), |
| 3213 | LParenLoc, RParenLoc, D), |
| 3214 | EndLoc); |
Chris Lattner | c0acd3d | 2006-07-31 05:13:43 +0000 | [diff] [blame] | 3215 | } |
Chris Lattner | acd58a3 | 2006-08-06 17:24:14 +0000 | [diff] [blame] | 3216 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3217 | /// ParseFunctionDeclaratorIdentifierList - While parsing a function declarator |
| 3218 | /// we found a K&R-style identifier list instead of a type argument list. The |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3219 | /// first identifier has already been consumed, and the current token is the |
| 3220 | /// token right after it. |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3221 | /// |
| 3222 | /// identifier-list: [C99 6.7.5] |
| 3223 | /// identifier |
| 3224 | /// identifier-list ',' identifier |
| 3225 | /// |
| 3226 | void Parser::ParseFunctionDeclaratorIdentifierList(SourceLocation LParenLoc, |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3227 | IdentifierInfo *FirstIdent, |
| 3228 | SourceLocation FirstIdentLoc, |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3229 | Declarator &D) { |
| 3230 | // Build up an array of information about the parsed arguments. |
| 3231 | llvm::SmallVector<DeclaratorChunk::ParamInfo, 16> ParamInfo; |
| 3232 | llvm::SmallSet<const IdentifierInfo*, 16> ParamsSoFar; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3233 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3234 | // If there was no identifier specified for the declarator, either we are in |
| 3235 | // an abstract-declarator, or we are in a parameter declarator which was found |
| 3236 | // to be abstract. In abstract-declarators, identifier lists are not valid: |
| 3237 | // diagnose this. |
| 3238 | if (!D.getIdentifier()) |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3239 | Diag(FirstIdentLoc, diag::ext_ident_list_in_param); |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3240 | |
Chris Lattner | 9453ab8 | 2010-05-14 17:23:36 +0000 | [diff] [blame] | 3241 | // The first identifier was already read, and is known to be the first |
| 3242 | // identifier in the list. Remember this identifier in ParamInfo. |
| 3243 | ParamsSoFar.insert(FirstIdent); |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 3244 | ParamInfo.push_back(DeclaratorChunk::ParamInfo(FirstIdent, FirstIdentLoc, 0)); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3245 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3246 | while (Tok.is(tok::comma)) { |
| 3247 | // Eat the comma. |
| 3248 | ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3249 | |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3250 | // If this isn't an identifier, report the error and skip until ')'. |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3251 | if (Tok.isNot(tok::identifier)) { |
| 3252 | Diag(Tok, diag::err_expected_ident); |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3253 | SkipUntil(tok::r_paren); |
| 3254 | return; |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3255 | } |
Chris Lattner | 67b450c | 2008-04-06 06:47:48 +0000 | [diff] [blame] | 3256 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3257 | IdentifierInfo *ParmII = Tok.getIdentifierInfo(); |
Chris Lattner | 67b450c | 2008-04-06 06:47:48 +0000 | [diff] [blame] | 3258 | |
| 3259 | // Reject 'typedef int y; int test(x, y)', but continue parsing. |
Douglas Gregor | 0be31a2 | 2010-07-02 17:43:08 +0000 | [diff] [blame] | 3260 | if (Actions.getTypeName(*ParmII, Tok.getLocation(), getCurScope())) |
Chris Lattner | ebad6a2 | 2008-11-19 07:37:42 +0000 | [diff] [blame] | 3261 | Diag(Tok, diag::err_unexpected_typedef_ident) << ParmII; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3262 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3263 | // Verify that the argument identifier has not already been mentioned. |
| 3264 | if (!ParamsSoFar.insert(ParmII)) { |
Chris Lattner | ebad6a2 | 2008-11-19 07:37:42 +0000 | [diff] [blame] | 3265 | Diag(Tok, diag::err_param_redefinition) << ParmII; |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3266 | } else { |
| 3267 | // Remember this identifier in ParamInfo. |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3268 | ParamInfo.push_back(DeclaratorChunk::ParamInfo(ParmII, |
Chris Lattner | 83f095c | 2009-03-28 19:18:32 +0000 | [diff] [blame] | 3269 | Tok.getLocation(), |
John McCall | 4887165 | 2010-08-21 09:40:31 +0000 | [diff] [blame] | 3270 | 0)); |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3271 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3272 | |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3273 | // Eat the identifier. |
| 3274 | ConsumeToken(); |
| 3275 | } |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3276 | |
| 3277 | // If we have the closing ')', eat it and we're done. |
| 3278 | SourceLocation RLoc = MatchRHSPunctuation(tok::r_paren, LParenLoc); |
| 3279 | |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3280 | // Remember that we parsed a function type, and remember the attributes. This |
| 3281 | // function type is always a K&R style function type, which is not varargs and |
| 3282 | // has no prototype. |
| 3283 | D.AddTypeInfo(DeclaratorChunk::getFunction(/*proto*/false, /*varargs*/false, |
Douglas Gregor | 94349fd | 2009-02-18 07:07:28 +0000 | [diff] [blame] | 3284 | SourceLocation(), |
Chris Lattner | 9186f55 | 2008-04-06 06:39:19 +0000 | [diff] [blame] | 3285 | &ParamInfo[0], ParamInfo.size(), |
Sebastian Redl | 2b9cacb | 2009-04-29 17:30:04 +0000 | [diff] [blame] | 3286 | /*TypeQuals*/0, |
Sebastian Redl | fb3f179 | 2009-05-31 11:47:27 +0000 | [diff] [blame] | 3287 | /*exception*/false, |
| 3288 | SourceLocation(), false, 0, 0, 0, |
Argyrios Kyrtzidis | 20cf191 | 2009-08-19 23:14:54 +0000 | [diff] [blame] | 3289 | LParenLoc, RLoc, D), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3290 | RLoc); |
Chris Lattner | 6c940e6 | 2008-04-06 06:34:08 +0000 | [diff] [blame] | 3291 | } |
Chris Lattner | c0a1c7d | 2008-04-06 05:45:57 +0000 | [diff] [blame] | 3292 | |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3293 | /// [C90] direct-declarator '[' constant-expression[opt] ']' |
| 3294 | /// [C99] direct-declarator '[' type-qual-list[opt] assignment-expr[opt] ']' |
| 3295 | /// [C99] direct-declarator '[' 'static' type-qual-list[opt] assign-expr ']' |
| 3296 | /// [C99] direct-declarator '[' type-qual-list 'static' assignment-expr ']' |
| 3297 | /// [C99] direct-declarator '[' type-qual-list[opt] '*' ']' |
| 3298 | void Parser::ParseBracketDeclarator(Declarator &D) { |
Chris Lattner | 0413237 | 2006-10-16 06:12:55 +0000 | [diff] [blame] | 3299 | SourceLocation StartLoc = ConsumeBracket(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3300 | |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3301 | // C array syntax has many features, but by-far the most common is [] and [4]. |
| 3302 | // This code does a fast path to handle some of the most obvious cases. |
| 3303 | if (Tok.getKind() == tok::r_square) { |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3304 | SourceLocation EndLoc = MatchRHSPunctuation(tok::r_square, StartLoc); |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 3305 | //FIXME: Use these |
| 3306 | CXX0XAttributeList Attr; |
| 3307 | if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier(true)) { |
| 3308 | Attr = ParseCXX0XAttributes(); |
| 3309 | } |
| 3310 | |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3311 | // Remember that we parsed the empty array type. |
John McCall | 37ad551 | 2010-08-23 06:44:23 +0000 | [diff] [blame] | 3312 | OwningExprResult NumElements; |
Douglas Gregor | 0431825 | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 3313 | D.AddTypeInfo(DeclaratorChunk::getArray(0, false, false, 0, |
| 3314 | StartLoc, EndLoc), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3315 | EndLoc); |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3316 | return; |
| 3317 | } else if (Tok.getKind() == tok::numeric_constant && |
| 3318 | GetLookAheadToken(1).is(tok::r_square)) { |
| 3319 | // [4] is very common. Parse the numeric constant expression. |
Sebastian Redl | ffbcf96 | 2009-01-18 18:53:16 +0000 | [diff] [blame] | 3320 | OwningExprResult ExprRes(Actions.ActOnNumericConstant(Tok)); |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3321 | ConsumeToken(); |
| 3322 | |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3323 | SourceLocation EndLoc = MatchRHSPunctuation(tok::r_square, StartLoc); |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 3324 | //FIXME: Use these |
| 3325 | CXX0XAttributeList Attr; |
| 3326 | if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { |
| 3327 | Attr = ParseCXX0XAttributes(); |
| 3328 | } |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3329 | |
| 3330 | // If there was an error parsing the assignment-expression, recover. |
| 3331 | if (ExprRes.isInvalid()) |
| 3332 | ExprRes.release(); // Deallocate expr, just use []. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3333 | |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3334 | // Remember that we parsed a array type, and remember its features. |
Douglas Gregor | 0431825 | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 3335 | D.AddTypeInfo(DeclaratorChunk::getArray(0, false, 0, ExprRes.release(), |
| 3336 | StartLoc, EndLoc), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3337 | EndLoc); |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3338 | return; |
| 3339 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3340 | |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3341 | // If valid, this location is the position where we read the 'static' keyword. |
| 3342 | SourceLocation StaticLoc; |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 3343 | if (Tok.is(tok::kw_static)) |
Chris Lattner | af63531 | 2006-10-16 06:06:51 +0000 | [diff] [blame] | 3344 | StaticLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3345 | |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3346 | // If there is a type-qualifier-list, read it now. |
Chris Lattner | b6ec4e7 | 2008-12-18 06:50:14 +0000 | [diff] [blame] | 3347 | // Type qualifiers in an array subscript are a C99 feature. |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3348 | DeclSpec DS; |
Chris Lattner | cf0bab2 | 2008-12-18 07:02:59 +0000 | [diff] [blame] | 3349 | ParseTypeQualifierListOpt(DS, false /*no attributes*/); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3350 | |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3351 | // If we haven't already read 'static', check to see if there is one after the |
| 3352 | // type-qualifier-list. |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 3353 | if (!StaticLoc.isValid() && Tok.is(tok::kw_static)) |
Chris Lattner | af63531 | 2006-10-16 06:06:51 +0000 | [diff] [blame] | 3354 | StaticLoc = ConsumeToken(); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3355 | |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3356 | // Handle "direct-declarator [ type-qual-list[opt] * ]". |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3357 | bool isStar = false; |
John McCall | 37ad551 | 2010-08-23 06:44:23 +0000 | [diff] [blame] | 3358 | OwningExprResult NumElements; |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3359 | |
Chris Lattner | 521ff2b | 2008-04-06 05:26:30 +0000 | [diff] [blame] | 3360 | // Handle the case where we have '[*]' as the array size. However, a leading |
| 3361 | // star could be the start of an expression, for example 'X[*p + 4]'. Verify |
| 3362 | // the the token after the star is a ']'. Since stars in arrays are |
| 3363 | // infrequent, use of lookahead is not costly here. |
| 3364 | if (Tok.is(tok::star) && GetLookAheadToken(1).is(tok::r_square)) { |
Chris Lattner | c439f0d | 2008-04-06 05:27:21 +0000 | [diff] [blame] | 3365 | ConsumeToken(); // Eat the '*'. |
Chris Lattner | 1906f80 | 2006-08-06 19:14:46 +0000 | [diff] [blame] | 3366 | |
Chris Lattner | b6ec4e7 | 2008-12-18 06:50:14 +0000 | [diff] [blame] | 3367 | if (StaticLoc.isValid()) { |
Chris Lattner | 521ff2b | 2008-04-06 05:26:30 +0000 | [diff] [blame] | 3368 | Diag(StaticLoc, diag::err_unspecified_vla_size_with_static); |
Chris Lattner | b6ec4e7 | 2008-12-18 06:50:14 +0000 | [diff] [blame] | 3369 | StaticLoc = SourceLocation(); // Drop the static. |
| 3370 | } |
Chris Lattner | 521ff2b | 2008-04-06 05:26:30 +0000 | [diff] [blame] | 3371 | isStar = true; |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 3372 | } else if (Tok.isNot(tok::r_square)) { |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3373 | // Note, in C89, this production uses the constant-expr production instead |
| 3374 | // of assignment-expr. The only difference is that assignment-expr allows |
| 3375 | // things like '=' and '*='. Sema rejects these in C89 mode because they |
| 3376 | // are not i-c-e's, so we don't need to distinguish between the two here. |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3377 | |
Douglas Gregor | c9c02ed | 2009-06-19 23:52:42 +0000 | [diff] [blame] | 3378 | // Parse the constant-expression or assignment-expression now (depending |
| 3379 | // on dialect). |
| 3380 | if (getLang().CPlusPlus) |
| 3381 | NumElements = ParseConstantExpression(); |
| 3382 | else |
| 3383 | NumElements = ParseAssignmentExpression(); |
Chris Lattner | 6259172 | 2006-08-12 18:40:58 +0000 | [diff] [blame] | 3384 | } |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3385 | |
Chris Lattner | 6259172 | 2006-08-12 18:40:58 +0000 | [diff] [blame] | 3386 | // If there was an error parsing the assignment-expression, recover. |
Sebastian Redl | 17f2c7d | 2008-12-09 13:15:23 +0000 | [diff] [blame] | 3387 | if (NumElements.isInvalid()) { |
Chris Lattner | cd2a8c5 | 2009-04-24 22:30:50 +0000 | [diff] [blame] | 3388 | D.setInvalidType(true); |
Chris Lattner | 6259172 | 2006-08-12 18:40:58 +0000 | [diff] [blame] | 3389 | // If the expression was invalid, skip it. |
| 3390 | SkipUntil(tok::r_square); |
| 3391 | return; |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3392 | } |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3393 | |
| 3394 | SourceLocation EndLoc = MatchRHSPunctuation(tok::r_square, StartLoc); |
| 3395 | |
Alexis Hunt | 96d5c76 | 2009-11-21 08:43:09 +0000 | [diff] [blame] | 3396 | //FIXME: Use these |
| 3397 | CXX0XAttributeList Attr; |
| 3398 | if (getLang().CPlusPlus0x && isCXX0XAttributeSpecifier()) { |
| 3399 | Attr = ParseCXX0XAttributes(); |
| 3400 | } |
| 3401 | |
Chris Lattner | 84a1162 | 2008-12-18 07:27:21 +0000 | [diff] [blame] | 3402 | // Remember that we parsed a array type, and remember its features. |
Chris Lattner | cbc426d | 2006-12-02 06:43:02 +0000 | [diff] [blame] | 3403 | D.AddTypeInfo(DeclaratorChunk::getArray(DS.getTypeQualifiers(), |
| 3404 | StaticLoc.isValid(), isStar, |
Douglas Gregor | 0431825 | 2009-07-06 15:59:29 +0000 | [diff] [blame] | 3405 | NumElements.release(), |
| 3406 | StartLoc, EndLoc), |
Sebastian Redl | f6591ca | 2009-02-09 18:23:29 +0000 | [diff] [blame] | 3407 | EndLoc); |
Chris Lattner | e8074e6 | 2006-08-06 18:30:15 +0000 | [diff] [blame] | 3408 | } |
| 3409 | |
Argyrios Kyrtzidis | 2545aeb | 2008-09-05 11:26:19 +0000 | [diff] [blame] | 3410 | /// [GNU] typeof-specifier: |
| 3411 | /// typeof ( expressions ) |
| 3412 | /// typeof ( type-name ) |
| 3413 | /// [GNU/C++] typeof unary-expression |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 3414 | /// |
| 3415 | void Parser::ParseTypeofSpecifier(DeclSpec &DS) { |
Chris Lattner | 76c7228 | 2007-10-09 17:33:22 +0000 | [diff] [blame] | 3416 | assert(Tok.is(tok::kw_typeof) && "Not a typeof specifier"); |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3417 | Token OpTok = Tok; |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 3418 | SourceLocation StartLoc = ConsumeToken(); |
| 3419 | |
John McCall | e859503 | 2010-01-13 20:03:27 +0000 | [diff] [blame] | 3420 | const bool hasParens = Tok.is(tok::l_paren); |
| 3421 | |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3422 | bool isCastExpr; |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 3423 | ParsedType CastTy; |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3424 | SourceRange CastRange; |
| 3425 | OwningExprResult Operand = ParseExprAfterTypeofSizeofAlignof(OpTok, |
| 3426 | isCastExpr, |
| 3427 | CastTy, |
| 3428 | CastRange); |
John McCall | e859503 | 2010-01-13 20:03:27 +0000 | [diff] [blame] | 3429 | if (hasParens) |
| 3430 | DS.setTypeofParensRange(CastRange); |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3431 | |
| 3432 | if (CastRange.getEnd().isInvalid()) |
Argyrios Kyrtzidis | f5cc7ac | 2009-05-22 10:22:18 +0000 | [diff] [blame] | 3433 | // FIXME: Not accurate, the range gets one token more than it should. |
| 3434 | DS.SetRangeEnd(Tok.getLocation()); |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3435 | else |
| 3436 | DS.SetRangeEnd(CastRange.getEnd()); |
Mike Stump | 11289f4 | 2009-09-09 15:08:12 +0000 | [diff] [blame] | 3437 | |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3438 | if (isCastExpr) { |
| 3439 | if (!CastTy) { |
| 3440 | DS.SetTypeSpecError(); |
Argyrios Kyrtzidis | 2545aeb | 2008-09-05 11:26:19 +0000 | [diff] [blame] | 3441 | return; |
Douglas Gregor | 220cac5 | 2009-02-18 17:45:20 +0000 | [diff] [blame] | 3442 | } |
Argyrios Kyrtzidis | 2545aeb | 2008-09-05 11:26:19 +0000 | [diff] [blame] | 3443 | |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3444 | const char *PrevSpec = 0; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 3445 | unsigned DiagID; |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3446 | // Check for duplicate type specifiers (e.g. "int typeof(int)"). |
| 3447 | if (DS.SetTypeSpecType(DeclSpec::TST_typeofType, StartLoc, PrevSpec, |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 3448 | DiagID, CastTy)) |
| 3449 | Diag(StartLoc, DiagID) << PrevSpec; |
Argyrios Kyrtzidis | 7bd9844 | 2009-05-22 10:22:50 +0000 | [diff] [blame] | 3450 | return; |
Argyrios Kyrtzidis | f5cc7ac | 2009-05-22 10:22:18 +0000 | [diff] [blame] | 3451 | } |
Argyrios Kyrtzidis | 2545aeb | 2008-09-05 11:26:19 +0000 | [diff] [blame] | 3452 | |
Argyrios Kyrtzidis | f5cc7ac | 2009-05-22 10:22:18 +0000 | [diff] [blame] | 3453 | // If we get here, the operand to the typeof was an expresion. |
| 3454 | if (Operand.isInvalid()) { |
| 3455 | DS.SetTypeSpecError(); |
Steve Naroff | 4bd2f71 | 2007-08-02 02:53:48 +0000 | [diff] [blame] | 3456 | return; |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 3457 | } |
Argyrios Kyrtzidis | 2545aeb | 2008-09-05 11:26:19 +0000 | [diff] [blame] | 3458 | |
Argyrios Kyrtzidis | f5cc7ac | 2009-05-22 10:22:18 +0000 | [diff] [blame] | 3459 | const char *PrevSpec = 0; |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 3460 | unsigned DiagID; |
Argyrios Kyrtzidis | f5cc7ac | 2009-05-22 10:22:18 +0000 | [diff] [blame] | 3461 | // Check for duplicate type specifiers (e.g. "int typeof(int)"). |
| 3462 | if (DS.SetTypeSpecType(DeclSpec::TST_typeofExpr, StartLoc, PrevSpec, |
John McCall | ba7bf59 | 2010-08-24 05:47:05 +0000 | [diff] [blame^] | 3463 | DiagID, Operand.get())) |
John McCall | 49bfce4 | 2009-08-03 20:12:06 +0000 | [diff] [blame] | 3464 | Diag(StartLoc, DiagID) << PrevSpec; |
Steve Naroff | ad373bd | 2007-07-31 12:34:36 +0000 | [diff] [blame] | 3465 | } |
Chris Lattner | 73a9c7d | 2010-02-28 18:33:55 +0000 | [diff] [blame] | 3466 | |
| 3467 | |
| 3468 | /// TryAltiVecVectorTokenOutOfLine - Out of line body that should only be called |
| 3469 | /// from TryAltiVecVectorToken. |
| 3470 | bool Parser::TryAltiVecVectorTokenOutOfLine() { |
| 3471 | Token Next = NextToken(); |
| 3472 | switch (Next.getKind()) { |
| 3473 | default: return false; |
| 3474 | case tok::kw_short: |
| 3475 | case tok::kw_long: |
| 3476 | case tok::kw_signed: |
| 3477 | case tok::kw_unsigned: |
| 3478 | case tok::kw_void: |
| 3479 | case tok::kw_char: |
| 3480 | case tok::kw_int: |
| 3481 | case tok::kw_float: |
| 3482 | case tok::kw_double: |
| 3483 | case tok::kw_bool: |
| 3484 | case tok::kw___pixel: |
| 3485 | Tok.setKind(tok::kw___vector); |
| 3486 | return true; |
| 3487 | case tok::identifier: |
| 3488 | if (Next.getIdentifierInfo() == Ident_pixel) { |
| 3489 | Tok.setKind(tok::kw___vector); |
| 3490 | return true; |
| 3491 | } |
| 3492 | return false; |
| 3493 | } |
| 3494 | } |
| 3495 | |
| 3496 | bool Parser::TryAltiVecTokenOutOfLine(DeclSpec &DS, SourceLocation Loc, |
| 3497 | const char *&PrevSpec, unsigned &DiagID, |
| 3498 | bool &isInvalid) { |
| 3499 | if (Tok.getIdentifierInfo() == Ident_vector) { |
| 3500 | Token Next = NextToken(); |
| 3501 | switch (Next.getKind()) { |
| 3502 | case tok::kw_short: |
| 3503 | case tok::kw_long: |
| 3504 | case tok::kw_signed: |
| 3505 | case tok::kw_unsigned: |
| 3506 | case tok::kw_void: |
| 3507 | case tok::kw_char: |
| 3508 | case tok::kw_int: |
| 3509 | case tok::kw_float: |
| 3510 | case tok::kw_double: |
| 3511 | case tok::kw_bool: |
| 3512 | case tok::kw___pixel: |
| 3513 | isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID); |
| 3514 | return true; |
| 3515 | case tok::identifier: |
| 3516 | if (Next.getIdentifierInfo() == Ident_pixel) { |
| 3517 | isInvalid = DS.SetTypeAltiVecVector(true, Loc, PrevSpec, DiagID); |
| 3518 | return true; |
| 3519 | } |
| 3520 | break; |
| 3521 | default: |
| 3522 | break; |
| 3523 | } |
Douglas Gregor | 9938e3b | 2010-06-16 15:28:57 +0000 | [diff] [blame] | 3524 | } else if ((Tok.getIdentifierInfo() == Ident_pixel) && |
Chris Lattner | 73a9c7d | 2010-02-28 18:33:55 +0000 | [diff] [blame] | 3525 | DS.isTypeAltiVecVector()) { |
| 3526 | isInvalid = DS.SetTypeAltiVecPixel(true, Loc, PrevSpec, DiagID); |
| 3527 | return true; |
| 3528 | } |
| 3529 | return false; |
| 3530 | } |
| 3531 | |