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: |
| 143 | void handleInt(const int v) { |
Stephen Hines | 3fd0a94 | 2011-01-18 12:27:39 -0800 | [diff] [blame] | 144 | std::stringstream ss; |
| 145 | ss << v; |
| 146 | mContext->addPragma(this->getName(), ss.str()); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 147 | mContext->setVersion(v); |
| 148 | } |
| 149 | |
| 150 | public: |
| 151 | RSVersionPragmaHandler(llvm::StringRef Name, RSContext *Context) |
| 152 | : RSPragmaHandler(Name, Context) { return; } |
| 153 | |
Shih-wei Liao | df5bcce | 2011-02-28 18:39:23 -0800 | [diff] [blame] | 154 | void HandlePragma(clang::Preprocessor &PP, |
| 155 | clang::PragmaIntroducerKind Introducer, |
| 156 | clang::Token &FirstToken) { |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 157 | this->handleIntegerParamPragma(PP, FirstToken); |
| 158 | } |
| 159 | }; |
| 160 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 161 | } // namespace |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 162 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 163 | RSPragmaHandler * |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 164 | RSPragmaHandler::CreatePragmaExportTypeHandler(RSContext *Context) { |
| 165 | return new RSExportTypePragmaHandler("export_type", Context); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 166 | } |
| 167 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 168 | RSPragmaHandler * |
| 169 | RSPragmaHandler::CreatePragmaJavaPackageNameHandler(RSContext *Context) { |
| 170 | return new RSJavaPackageNamePragmaHandler("java_package_name", Context); |
Shih-wei Liao | 537446c | 2010-06-11 16:05:55 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 173 | RSPragmaHandler * |
| 174 | RSPragmaHandler::CreatePragmaReflectLicenseHandler(RSContext *Context) { |
Stephen Hines | d09df09 | 2011-02-03 16:01:12 -0800 | [diff] [blame] | 175 | return new RSReflectLicensePragmaHandler("set_reflect_license", Context); |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 176 | } |
| 177 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 178 | RSPragmaHandler * |
| 179 | RSPragmaHandler::CreatePragmaVersionHandler(RSContext *Context) { |
| 180 | return new RSVersionPragmaHandler("version", Context); |
| 181 | } |
| 182 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 183 | void RSPragmaHandler::handleItemListPragma(clang::Preprocessor &PP, |
| 184 | clang::Token &FirstToken) { |
| 185 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 186 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 187 | // Skip first token, like "export_var" |
| 188 | PP.LexUnexpandedToken(PragmaToken); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 189 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 190 | // Now, the current token must be clang::tok::lpara |
| 191 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 192 | return; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 193 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 194 | while (PragmaToken.isNot(clang::tok::eod)) { |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 195 | // Lex variable name |
| 196 | PP.LexUnexpandedToken(PragmaToken); |
| 197 | if (PragmaToken.is(clang::tok::identifier)) |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 198 | this->handleItem(PP.getSpelling(PragmaToken)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 199 | else |
| 200 | break; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 201 | |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 202 | slangAssert(PragmaToken.isNot(clang::tok::eod)); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 203 | |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 204 | PP.LexUnexpandedToken(PragmaToken); |
| 205 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 206 | if (PragmaToken.isNot(clang::tok::comma)) |
| 207 | break; |
| 208 | } |
| 209 | return; |
| 210 | } |
| 211 | |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 212 | void RSPragmaHandler::handleNonParamPragma(clang::Preprocessor &PP, |
| 213 | clang::Token &FirstToken) { |
| 214 | clang::Token &PragmaToken = FirstToken; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 215 | |
| 216 | // Skip first token, like "export_var_all" |
| 217 | PP.LexUnexpandedToken(PragmaToken); |
| 218 | |
| 219 | // Should be end immediately |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 220 | if (PragmaToken.isNot(clang::tok::eod)) |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 221 | fprintf(stderr, "RSPragmaHandler::handleNonParamPragma: " |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 222 | "expected a clang::tok::eod\n"); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 223 | return; |
| 224 | } |
| 225 | |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 226 | void RSPragmaHandler::handleOptionalStringLiteralParamPragma( |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 227 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 228 | clang::Token &PragmaToken = FirstToken; |
| 229 | |
| 230 | // Skip first token, like "set_reflect_license" |
| 231 | PP.LexUnexpandedToken(PragmaToken); |
| 232 | |
| 233 | // Now, the current token must be clang::tok::lpara |
| 234 | if (PragmaToken.isNot(clang::tok::l_paren)) |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 235 | return; |
Victor Hsieh | c6718b3 | 2010-06-23 09:29:44 +0800 | [diff] [blame] | 236 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 237 | // If not ')', eat the following string literal as the license |
| 238 | PP.LexUnexpandedToken(PragmaToken); |
| 239 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 240 | // Eat the whole string literal |
| 241 | clang::StringLiteralParser StringLiteral(&PragmaToken, 1, PP); |
| 242 | if (StringLiteral.hadError) |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 243 | fprintf(stderr, "RSPragmaHandler::handleOptionalStringLiteralParamPragma" |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 244 | ": illegal string literal\n"); |
| 245 | else |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 246 | this->handleItem(std::string(StringLiteral.GetString())); |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 247 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 248 | // The current token should be clang::tok::r_para |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 249 | PP.LexUnexpandedToken(PragmaToken); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 250 | if (PragmaToken.isNot(clang::tok::r_paren)) |
Stephen Hines | 9d2c0fa | 2011-01-05 14:55:18 -0800 | [diff] [blame] | 251 | fprintf(stderr, "RSPragmaHandler::handleOptionalStringLiteralParamPragma" |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 252 | ": expected a ')'\n"); |
| 253 | } else { |
| 254 | // If no argument, remove the license |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 255 | this->handleItem(""); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 256 | } |
Victor Hsieh | d8a0d18 | 2010-07-07 19:22:33 +0800 | [diff] [blame] | 257 | } |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 258 | |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 259 | void RSPragmaHandler::handleIntegerParamPragma( |
| 260 | clang::Preprocessor &PP, clang::Token &FirstToken) { |
| 261 | clang::Token &PragmaToken = FirstToken; |
| 262 | |
| 263 | // Skip first token, like "version" |
| 264 | PP.LexUnexpandedToken(PragmaToken); |
| 265 | |
| 266 | // Now, the current token must be clang::tok::lpara |
| 267 | if (PragmaToken.isNot(clang::tok::l_paren)) |
| 268 | return; |
| 269 | PP.LexUnexpandedToken(PragmaToken); |
| 270 | |
| 271 | if (PragmaToken.is(clang::tok::numeric_constant)) { |
| 272 | clang::NumericLiteralParser NumericLiteral(PragmaToken.getLiteralData(), |
| 273 | PragmaToken.getLiteralData() + PragmaToken.getLength(), |
| 274 | PragmaToken.getLocation(), PP); |
| 275 | if (NumericLiteral.hadError) { |
| 276 | fprintf(stderr, "RSPragmaHandler::handleIntegerParamPragma" |
| 277 | ": illegal numeric literal\n"); |
| 278 | } else { |
| 279 | llvm::APInt Val(32, 0); |
| 280 | NumericLiteral.GetIntegerValue(Val); |
| 281 | this->handleInt(static_cast<int>(Val.getSExtValue())); |
| 282 | } |
| 283 | PP.LexUnexpandedToken(PragmaToken); |
| 284 | } else { |
| 285 | // If no argument, set the version to 0 |
| 286 | this->handleInt(0); |
| 287 | } |
| 288 | |
| 289 | if (PragmaToken.isNot(clang::tok::r_paren)) { |
| 290 | fprintf(stderr, "RSPragmaHandler::handleIntegerParamPragma" |
| 291 | ": expected a ')'\n"); |
| 292 | } |
| 293 | |
| 294 | do { |
| 295 | PP.LexUnexpandedToken(PragmaToken); |
Logan | be27482 | 2011-02-16 22:02:54 +0800 | [diff] [blame] | 296 | } while (PragmaToken.isNot(clang::tok::eod)); |
Stephen Hines | 96ab06c | 2011-01-05 15:29:26 -0800 | [diff] [blame] | 297 | } |
| 298 | |
Stephen Hines | e639eb5 | 2010-11-08 19:27:20 -0800 | [diff] [blame] | 299 | } // namespace slang |