Zonr Chang | c383a50 | 2010-10-12 01:52:08 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2010, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 17 | #include "slang_rs_pragma_handler.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 18 | |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 19 | #include <sstream> |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 20 | #include <string> |
| 21 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 22 | #include "clang/Basic/TokenKinds.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 23 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 24 | #include "clang/Lex/LiteralSupport.h" |
| 25 | #include "clang/Lex/Preprocessor.h" |
| 26 | #include "clang/Lex/Token.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 27 | |
Stephen Hines | 6e6578a | 2011-02-07 18:05:48 -0800 | [diff] [blame] | 28 | #include "slang_assert.h" |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 29 | #include "slang_rs_context.h" |
| 30 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 31 | namespace slang { |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 32 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 33 | namespace { // Anonymous namespace |
| 34 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 35 | class RSExportTypePragmaHandler : public RSPragmaHandler { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 36 | private: |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 37 | void handleItem(const std::string &Item) { |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 38 | mContext->addPragma(this->getName(), Item); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 39 | mContext->addExportType(Item); |
| 40 | } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 41 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 42 | public: |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 43 | RSExportTypePragmaHandler(llvm::StringRef Name, RSContext *Context) |
Jean-Luc Brouillet | 796e7b1 | 2014-05-27 11:35:17 -0700 | [diff] [blame] | 44 | : RSPragmaHandler(Name, Context) { } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 45 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 46 | void HandlePragma(clang::Preprocessor &PP, |
| 47 | clang::PragmaIntroducerKind Introducer, |
| 48 | clang::Token &FirstToken) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 49 | this->handleItemListPragma(PP, FirstToken); |
| 50 | } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 51 | }; |
| 52 | |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 53 | class RSJavaPackageNamePragmaHandler : public RSPragmaHandler { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 54 | public: |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 55 | RSJavaPackageNamePragmaHandler(llvm::StringRef Name, RSContext *Context) |
Jean-Luc Brouillet | 796e7b1 | 2014-05-27 11:35:17 -0700 | [diff] [blame] | 56 | : RSPragmaHandler(Name, Context) { } |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 57 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 58 | void HandlePragma(clang::Preprocessor &PP, |
| 59 | clang::PragmaIntroducerKind Introducer, |
| 60 | clang::Token &FirstToken) { |
Stephen Hines | 35f5b39 | 2010-11-22 16:39:16 -0800 | [diff] [blame] | 61 | // FIXME: Need to validate the extracted package name from pragma. |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 62 | // Currently "all chars" specified in pragma will be treated as package |
| 63 | // name. |
| 64 | // |
| 65 | // 18.1 The Grammar of the Java Programming Language |
| 66 | // (http://java.sun.com/docs/books/jls/third_edition/html/syntax.html#18.1) |
| 67 | // |
| 68 | // CompilationUnit: |
| 69 | // [[Annotations] package QualifiedIdentifier ; ] {ImportDeclaration} |
| 70 | // {TypeDeclaration} |
| 71 | // |
| 72 | // QualifiedIdentifier: |
| 73 | // Identifier { . Identifier } |
| 74 | // |
| 75 | // Identifier: |
| 76 | // IDENTIFIER |
| 77 | // |
| 78 | // 3.8 Identifiers |
| 79 | // (http://java.sun.com/docs/books/jls/third_edition/html/lexical.html#3.8) |
| 80 | // |
| 81 | // |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 82 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 83 | clang::Token &PragmaToken = FirstToken; |
| 84 | std::string PackageName; |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 85 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 86 | // Skip first token, "java_package_name" |
| 87 | PP.LexUnexpandedToken(PragmaToken); |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 88 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 89 | // Now, the current token must be clang::tok::lpara |
| 90 | if (PragmaToken.isNot(clang::tok::l_paren)) |
| 91 | return; |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 92 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 93 | while (PragmaToken.isNot(clang::tok::eod)) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 94 | // Lex package name |
| 95 | PP.LexUnexpandedToken(PragmaToken); |
| 96 | |
| 97 | bool Invalid; |
| 98 | std::string Spelling = PP.getSpelling(PragmaToken, &Invalid); |
| 99 | if (!Invalid) |
| 100 | PackageName.append(Spelling); |
| 101 | |
| 102 | // Pre-mature end (syntax error will be triggered by preprocessor later) |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 103 | if (PragmaToken.is(clang::tok::eod) || PragmaToken.is(clang::tok::eof)) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 104 | break; |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 105 | } else { |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 106 | // Next token is ')' (end of pragma) |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 107 | const clang::Token &NextTok = PP.LookAhead(0); |
| 108 | if (NextTok.is(clang::tok::r_paren)) { |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 109 | mContext->addPragma(this->getName(), PackageName); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 110 | mContext->setReflectJavaPackageName(PackageName); |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 111 | // Lex until meets clang::tok::eod |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 112 | do { |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 113 | PP.LexUnexpandedToken(PragmaToken); |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 114 | } while (PragmaToken.isNot(clang::tok::eod)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 115 | break; |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 116 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 117 | } |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 118 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 119 | } |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 120 | }; |
| 121 | |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 122 | class RSReflectLicensePragmaHandler : public RSPragmaHandler { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 123 | private: |
| 124 | void handleItem(const std::string &Item) { |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 125 | mContext->addPragma(this->getName(), Item); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 126 | mContext->setLicenseNote(Item); |
| 127 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 128 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 129 | public: |
| 130 | RSReflectLicensePragmaHandler(llvm::StringRef Name, RSContext *Context) |
Jean-Luc Brouillet | 796e7b1 | 2014-05-27 11:35:17 -0700 | [diff] [blame] | 131 | : RSPragmaHandler(Name, Context) { } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 132 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 133 | void HandlePragma(clang::Preprocessor &PP, |
| 134 | clang::PragmaIntroducerKind Introducer, |
| 135 | clang::Token &FirstToken) { |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 136 | this->handleOptionalStringLiteralParamPragma(PP, FirstToken); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 137 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 138 | }; |
| 139 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 140 | class RSVersionPragmaHandler : public RSPragmaHandler { |
| 141 | private: |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 142 | void handleInt(clang::Preprocessor &PP, |
| 143 | clang::Token &Tok, |
| 144 | const int v) { |
| 145 | if (v != 1) { |
| 146 | PP.Diag(Tok, |
| 147 | PP.getDiagnostics().getCustomDiagID( |
| 148 | clang::DiagnosticsEngine::Error, |
| 149 | "pragma for version in source file must be set to 1")); |
| 150 | mContext->setVersion(1); |
| 151 | return; |
| 152 | } |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 153 | std::stringstream ss; |
| 154 | ss << v; |
| 155 | mContext->addPragma(this->getName(), ss.str()); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 156 | mContext->setVersion(v); |
| 157 | } |
| 158 | |
| 159 | public: |
| 160 | RSVersionPragmaHandler(llvm::StringRef Name, RSContext *Context) |
Jean-Luc Brouillet | 796e7b1 | 2014-05-27 11:35:17 -0700 | [diff] [blame] | 161 | : RSPragmaHandler(Name, Context) { } |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 162 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 163 | void HandlePragma(clang::Preprocessor &PP, |
| 164 | clang::PragmaIntroducerKind Introducer, |
| 165 | clang::Token &FirstToken) { |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 166 | this->handleIntegerParamPragma(PP, FirstToken); |
| 167 | } |
| 168 | }; |
| 169 | |
Jean-Luc Brouillet | 109e90a | 2014-07-07 17:36:07 -0700 | [diff] [blame] | 170 | // Handles the pragmas rs_fp_full, rs_fp_relaxed, and rs_fp_imprecise. |
| 171 | // There's one instance of this handler for each of the above values. |
| 172 | // Only getName() differs between the instances. |
| 173 | class RSPrecisionPragmaHandler : public RSPragmaHandler { |
| 174 | public: |
| 175 | RSPrecisionPragmaHandler(llvm::StringRef Name, RSContext *Context) |
| 176 | : RSPragmaHandler(Name, Context) {} |
| 177 | |
| 178 | void HandlePragma(clang::Preprocessor &PP, |
| 179 | clang::PragmaIntroducerKind Introducer, |
| 180 | clang::Token &Token) { |
| 181 | std::string Precision = getName(); |
| 182 | // We are deprecating rs_fp_imprecise. |
| 183 | if (Precision == "rs_fp_imprecise") { |
| 184 | PP.Diag(Token, PP.getDiagnostics().getCustomDiagID( |
| 185 | clang::DiagnosticsEngine::Warning, |
| 186 | "rs_fp_imprecise is deprecated. Assuming " |
| 187 | "rs_fp_relaxed instead.")); |
| 188 | Precision = "rs_fp_relaxed"; |
| 189 | } |
| 190 | // Check if we have already encountered a precision pragma already. |
| 191 | std::string PreviousPrecision = mContext->getPrecision(); |
| 192 | if (!PreviousPrecision.empty()) { |
| 193 | // If the previous specified a different value, it's an error. |
| 194 | if (PreviousPrecision != Precision) { |
| 195 | PP.Diag(Token, PP.getDiagnostics().getCustomDiagID( |
| 196 | clang::DiagnosticsEngine::Error, |
| 197 | "Multiple float precisions specified. Encountered " |
| 198 | "%0 previously.")) |
| 199 | << PreviousPrecision; |
| 200 | } |
| 201 | // Otherwise we ignore redundant entries. |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | mContext->addPragma(Precision, ""); |
| 206 | mContext->setPrecision(Precision); |
| 207 | } |
| 208 | }; |
| 209 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 210 | } // namespace |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 211 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 212 | void RSPragmaHandler::handleItemListPragma(clang::Preprocessor &PP, |
| 213 | clang::Token &FirstToken) { |
| 214 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 215 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 216 | // Skip first token, like "export_var" |
| 217 | PP.LexUnexpandedToken(PragmaToken); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 218 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 219 | // Now, the current token must be clang::tok::lpara |
| 220 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 221 | return; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 222 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 223 | while (PragmaToken.isNot(clang::tok::eod)) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 224 | // Lex variable name |
| 225 | PP.LexUnexpandedToken(PragmaToken); |
| 226 | if (PragmaToken.is(clang::tok::identifier)) |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 227 | this->handleItem(PP.getSpelling(PragmaToken)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 228 | else |
| 229 | break; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 230 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 231 | slangAssert(PragmaToken.isNot(clang::tok::eod)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 232 | |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 233 | PP.LexUnexpandedToken(PragmaToken); |
| 234 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 235 | if (PragmaToken.isNot(clang::tok::comma)) |
| 236 | break; |
| 237 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 238 | } |
| 239 | |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 240 | void RSPragmaHandler::handleNonParamPragma(clang::Preprocessor &PP, |
| 241 | clang::Token &FirstToken) { |
| 242 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 243 | |
| 244 | // Skip first token, like "export_var_all" |
| 245 | PP.LexUnexpandedToken(PragmaToken); |
| 246 | |
| 247 | // Should be end immediately |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 248 | if (PragmaToken.isNot(clang::tok::eod)) |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 249 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 250 | PP.Diag(PragmaToken, |
| 251 | PP.getDiagnostics().getCustomDiagID( |
| 252 | clang::DiagnosticsEngine::Error, |
| 253 | "expected a ')'")); |
| 254 | return; |
| 255 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 256 | } |
| 257 | |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 258 | void RSPragmaHandler::handleOptionalStringLiteralParamPragma( |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 259 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 260 | clang::Token &PragmaToken = FirstToken; |
| 261 | |
| 262 | // Skip first token, like "set_reflect_license" |
| 263 | PP.LexUnexpandedToken(PragmaToken); |
| 264 | |
| 265 | // Now, the current token must be clang::tok::lpara |
| 266 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 267 | return; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 268 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 269 | // If not ')', eat the following string literal as the license |
| 270 | PP.LexUnexpandedToken(PragmaToken); |
| 271 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 272 | // Eat the whole string literal |
Stephen Hines | 2eb9a3f | 2014-07-15 16:50:03 -0700 | [diff] [blame] | 273 | clang::StringLiteralParser StringLiteral(PragmaToken, PP); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 274 | if (StringLiteral.hadError) { |
| 275 | // Diagnostics will be generated automatically |
| 276 | return; |
Stephen Hines | e67239d | 2012-02-24 15:08:36 -0800 | [diff] [blame] | 277 | } else { |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 278 | this->handleItem(std::string(StringLiteral.GetString())); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 279 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 280 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 281 | // The current token should be clang::tok::r_para |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 282 | PP.LexUnexpandedToken(PragmaToken); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 283 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 284 | PP.Diag(PragmaToken, |
| 285 | PP.getDiagnostics().getCustomDiagID( |
| 286 | clang::DiagnosticsEngine::Error, |
| 287 | "expected a ')'")); |
| 288 | return; |
| 289 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 290 | } else { |
| 291 | // If no argument, remove the license |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 292 | this->handleItem(""); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 293 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 294 | } |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 295 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 296 | void RSPragmaHandler::handleIntegerParamPragma( |
| 297 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 298 | clang::Token &PragmaToken = FirstToken; |
| 299 | |
| 300 | // Skip first token, like "version" |
| 301 | PP.LexUnexpandedToken(PragmaToken); |
| 302 | |
| 303 | // Now, the current token must be clang::tok::lpara |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 304 | if (PragmaToken.isNot(clang::tok::l_paren)) { |
| 305 | // If no argument, set the version to 0 |
| 306 | this->handleInt(PP, PragmaToken, 0); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 307 | return; |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 308 | } |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 309 | PP.LexUnexpandedToken(PragmaToken); |
| 310 | |
| 311 | if (PragmaToken.is(clang::tok::numeric_constant)) { |
Stephen Hines | 23c4358 | 2013-01-09 20:02:04 -0800 | [diff] [blame] | 312 | llvm::SmallString<128> SpellingBuffer; |
| 313 | SpellingBuffer.resize(PragmaToken.getLength() + 1); |
| 314 | llvm::StringRef TokSpelling = PP.getSpelling(PragmaToken, SpellingBuffer); |
| 315 | clang::NumericLiteralParser NumericLiteral(TokSpelling, |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 316 | PragmaToken.getLocation(), PP); |
| 317 | if (NumericLiteral.hadError) { |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 318 | // Diagnostics will be generated automatically |
| 319 | return; |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 320 | } else { |
| 321 | llvm::APInt Val(32, 0); |
| 322 | NumericLiteral.GetIntegerValue(Val); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 323 | this->handleInt(PP, PragmaToken, static_cast<int>(Val.getSExtValue())); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 324 | } |
| 325 | PP.LexUnexpandedToken(PragmaToken); |
| 326 | } else { |
| 327 | // If no argument, set the version to 0 |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 328 | this->handleInt(PP, PragmaToken, 0); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 332 | PP.Diag(PragmaToken, |
| 333 | PP.getDiagnostics().getCustomDiagID( |
| 334 | clang::DiagnosticsEngine::Error, |
| 335 | "expected a ')'")); |
| 336 | return; |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | do { |
| 340 | PP.LexUnexpandedToken(PragmaToken); |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 341 | } while (PragmaToken.isNot(clang::tok::eod)); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 342 | } |
| 343 | |
Jean-Luc Brouillet | 109e90a | 2014-07-07 17:36:07 -0700 | [diff] [blame] | 344 | void AddPragmaHandlers(clang::Preprocessor &PP, RSContext *RsContext) { |
| 345 | // For #pragma rs export_type |
| 346 | PP.AddPragmaHandler("rs", |
| 347 | new RSExportTypePragmaHandler("export_type", RsContext)); |
| 348 | |
| 349 | // For #pragma rs java_package_name |
| 350 | PP.AddPragmaHandler( |
| 351 | "rs", new RSJavaPackageNamePragmaHandler("java_package_name", RsContext)); |
| 352 | |
| 353 | // For #pragma rs set_reflect_license |
| 354 | PP.AddPragmaHandler( |
| 355 | "rs", new RSReflectLicensePragmaHandler("set_reflect_license", RsContext)); |
| 356 | |
| 357 | // For #pragma version |
| 358 | PP.AddPragmaHandler(new RSVersionPragmaHandler("version", RsContext)); |
| 359 | |
| 360 | // For #pragma rs_fp* |
| 361 | PP.AddPragmaHandler(new RSPrecisionPragmaHandler("rs_fp_full", RsContext)); |
| 362 | PP.AddPragmaHandler(new RSPrecisionPragmaHandler("rs_fp_relaxed", RsContext)); |
| 363 | PP.AddPragmaHandler(new RSPrecisionPragmaHandler("rs_fp_imprecise", RsContext)); |
| 364 | } |
| 365 | |
| 366 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 367 | } // namespace slang |