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) |
| 44 | : RSPragmaHandler(Name, Context) { return; } |
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) |
| 56 | : RSPragmaHandler(Name, Context) { return; } |
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 | return; |
| 120 | } |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 121 | }; |
| 122 | |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 123 | class RSReflectLicensePragmaHandler : public RSPragmaHandler { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 124 | private: |
| 125 | void handleItem(const std::string &Item) { |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 126 | mContext->addPragma(this->getName(), Item); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 127 | mContext->setLicenseNote(Item); |
| 128 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 129 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 130 | public: |
| 131 | RSReflectLicensePragmaHandler(llvm::StringRef Name, RSContext *Context) |
| 132 | : RSPragmaHandler(Name, Context) { return; } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 133 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 134 | void HandlePragma(clang::Preprocessor &PP, |
| 135 | clang::PragmaIntroducerKind Introducer, |
| 136 | clang::Token &FirstToken) { |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 137 | this->handleOptionalStringLiteralParamPragma(PP, FirstToken); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 138 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 139 | }; |
| 140 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 141 | class RSVersionPragmaHandler : public RSPragmaHandler { |
| 142 | private: |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 143 | void handleInt(clang::Preprocessor &PP, |
| 144 | clang::Token &Tok, |
| 145 | const int v) { |
| 146 | if (v != 1) { |
| 147 | PP.Diag(Tok, |
| 148 | PP.getDiagnostics().getCustomDiagID( |
| 149 | clang::DiagnosticsEngine::Error, |
| 150 | "pragma for version in source file must be set to 1")); |
| 151 | mContext->setVersion(1); |
| 152 | return; |
| 153 | } |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 154 | std::stringstream ss; |
| 155 | ss << v; |
| 156 | mContext->addPragma(this->getName(), ss.str()); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 157 | mContext->setVersion(v); |
| 158 | } |
| 159 | |
| 160 | public: |
| 161 | RSVersionPragmaHandler(llvm::StringRef Name, RSContext *Context) |
| 162 | : RSPragmaHandler(Name, Context) { return; } |
| 163 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 164 | void HandlePragma(clang::Preprocessor &PP, |
| 165 | clang::PragmaIntroducerKind Introducer, |
| 166 | clang::Token &FirstToken) { |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 167 | this->handleIntegerParamPragma(PP, FirstToken); |
| 168 | } |
| 169 | }; |
| 170 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 171 | } // namespace |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 172 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 173 | RSPragmaHandler * |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 174 | RSPragmaHandler::CreatePragmaExportTypeHandler(RSContext *Context) { |
| 175 | return new RSExportTypePragmaHandler("export_type", Context); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 176 | } |
| 177 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 178 | RSPragmaHandler * |
| 179 | RSPragmaHandler::CreatePragmaJavaPackageNameHandler(RSContext *Context) { |
| 180 | return new RSJavaPackageNamePragmaHandler("java_package_name", Context); |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 181 | } |
| 182 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 183 | RSPragmaHandler * |
| 184 | RSPragmaHandler::CreatePragmaReflectLicenseHandler(RSContext *Context) { |
Stephen Hines | d09df09 | 2011-02-03 16:01:12 -0800 | [diff] [blame] | 185 | return new RSReflectLicensePragmaHandler("set_reflect_license", Context); |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 186 | } |
| 187 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 188 | RSPragmaHandler * |
| 189 | RSPragmaHandler::CreatePragmaVersionHandler(RSContext *Context) { |
| 190 | return new RSVersionPragmaHandler("version", Context); |
| 191 | } |
| 192 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 193 | void RSPragmaHandler::handleItemListPragma(clang::Preprocessor &PP, |
| 194 | clang::Token &FirstToken) { |
| 195 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 196 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 197 | // Skip first token, like "export_var" |
| 198 | PP.LexUnexpandedToken(PragmaToken); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 199 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 200 | // Now, the current token must be clang::tok::lpara |
| 201 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 202 | return; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 203 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 204 | while (PragmaToken.isNot(clang::tok::eod)) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 205 | // Lex variable name |
| 206 | PP.LexUnexpandedToken(PragmaToken); |
| 207 | if (PragmaToken.is(clang::tok::identifier)) |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 208 | this->handleItem(PP.getSpelling(PragmaToken)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 209 | else |
| 210 | break; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 211 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 212 | slangAssert(PragmaToken.isNot(clang::tok::eod)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 213 | |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 214 | PP.LexUnexpandedToken(PragmaToken); |
| 215 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 216 | if (PragmaToken.isNot(clang::tok::comma)) |
| 217 | break; |
| 218 | } |
| 219 | return; |
| 220 | } |
| 221 | |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 222 | void RSPragmaHandler::handleNonParamPragma(clang::Preprocessor &PP, |
| 223 | clang::Token &FirstToken) { |
| 224 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 225 | |
| 226 | // Skip first token, like "export_var_all" |
| 227 | PP.LexUnexpandedToken(PragmaToken); |
| 228 | |
| 229 | // Should be end immediately |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 230 | if (PragmaToken.isNot(clang::tok::eod)) |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 231 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 232 | PP.Diag(PragmaToken, |
| 233 | PP.getDiagnostics().getCustomDiagID( |
| 234 | clang::DiagnosticsEngine::Error, |
| 235 | "expected a ')'")); |
| 236 | return; |
| 237 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 238 | return; |
| 239 | } |
| 240 | |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 241 | void RSPragmaHandler::handleOptionalStringLiteralParamPragma( |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 242 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 243 | clang::Token &PragmaToken = FirstToken; |
| 244 | |
| 245 | // Skip first token, like "set_reflect_license" |
| 246 | PP.LexUnexpandedToken(PragmaToken); |
| 247 | |
| 248 | // Now, the current token must be clang::tok::lpara |
| 249 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 250 | return; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 251 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 252 | // If not ')', eat the following string literal as the license |
| 253 | PP.LexUnexpandedToken(PragmaToken); |
| 254 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 255 | // Eat the whole string literal |
| 256 | clang::StringLiteralParser StringLiteral(&PragmaToken, 1, PP); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 257 | if (StringLiteral.hadError) { |
| 258 | // Diagnostics will be generated automatically |
| 259 | return; |
Stephen Hines | e67239d | 2012-02-24 15:08:36 -0800 | [diff] [blame] | 260 | } else { |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 261 | this->handleItem(std::string(StringLiteral.GetString())); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 262 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 263 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 264 | // The current token should be clang::tok::r_para |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 265 | PP.LexUnexpandedToken(PragmaToken); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 266 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 267 | PP.Diag(PragmaToken, |
| 268 | PP.getDiagnostics().getCustomDiagID( |
| 269 | clang::DiagnosticsEngine::Error, |
| 270 | "expected a ')'")); |
| 271 | return; |
| 272 | } |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 273 | } else { |
| 274 | // If no argument, remove the license |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 275 | this->handleItem(""); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 276 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 277 | } |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 278 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 279 | void RSPragmaHandler::handleIntegerParamPragma( |
| 280 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 281 | clang::Token &PragmaToken = FirstToken; |
| 282 | |
| 283 | // Skip first token, like "version" |
| 284 | PP.LexUnexpandedToken(PragmaToken); |
| 285 | |
| 286 | // Now, the current token must be clang::tok::lpara |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 287 | if (PragmaToken.isNot(clang::tok::l_paren)) { |
| 288 | // If no argument, set the version to 0 |
| 289 | this->handleInt(PP, PragmaToken, 0); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 290 | return; |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 291 | } |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 292 | PP.LexUnexpandedToken(PragmaToken); |
| 293 | |
| 294 | if (PragmaToken.is(clang::tok::numeric_constant)) { |
Stephen Hines | 23c4358 | 2013-01-09 20:02:04 -0800 | [diff] [blame] | 295 | llvm::SmallString<128> SpellingBuffer; |
| 296 | SpellingBuffer.resize(PragmaToken.getLength() + 1); |
| 297 | llvm::StringRef TokSpelling = PP.getSpelling(PragmaToken, SpellingBuffer); |
| 298 | clang::NumericLiteralParser NumericLiteral(TokSpelling, |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 299 | PragmaToken.getLocation(), PP); |
| 300 | if (NumericLiteral.hadError) { |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 301 | // Diagnostics will be generated automatically |
| 302 | return; |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 303 | } else { |
| 304 | llvm::APInt Val(32, 0); |
| 305 | NumericLiteral.GetIntegerValue(Val); |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 306 | this->handleInt(PP, PragmaToken, static_cast<int>(Val.getSExtValue())); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 307 | } |
| 308 | PP.LexUnexpandedToken(PragmaToken); |
| 309 | } else { |
| 310 | // If no argument, set the version to 0 |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 311 | this->handleInt(PP, PragmaToken, 0); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
Stephen Hines | 7aff4a0 | 2011-12-08 18:34:27 -0800 | [diff] [blame] | 315 | PP.Diag(PragmaToken, |
| 316 | PP.getDiagnostics().getCustomDiagID( |
| 317 | clang::DiagnosticsEngine::Error, |
| 318 | "expected a ')'")); |
| 319 | return; |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | do { |
| 323 | PP.LexUnexpandedToken(PragmaToken); |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 324 | } while (PragmaToken.isNot(clang::tok::eod)); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 325 | } |
| 326 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 327 | } // namespace slang |