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 | #ifndef _SLANG_COMPILER_BACKEND_H |
| 18 | #define _SLANG_COMPILER_BACKEND_H |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 19 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 20 | #include "llvm/PassManager.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 21 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 22 | #include "llvm/Target/TargetData.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 "llvm/Support/StandardPasses.h" |
| 25 | #include "llvm/Support/FormattedStream.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 26 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 27 | #include "clang/AST/ASTConsumer.h" |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 28 | |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 29 | #include "slang.h" |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 30 | #include "slang_pragma_recorder.h" |
| 31 | |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 32 | namespace llvm { |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 33 | class formatted_raw_ostream; |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 34 | class LLVMContext; |
| 35 | class NamedMDNode; |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 36 | class Module; |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 37 | class PassManager; |
| 38 | class FunctionPassManager; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 39 | } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 40 | |
| 41 | namespace clang { |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 42 | class CodeGenOptions; |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 43 | class CodeGenerator; |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 44 | class DeclGroupRef; |
| 45 | class TagDecl; |
| 46 | class VarDecl; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 47 | } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 48 | |
| 49 | namespace slang { |
| 50 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 51 | class Backend : public clang::ASTConsumer { |
| 52 | private: |
| 53 | const clang::CodeGenOptions &mCodeGenOpts; |
| 54 | const clang::TargetOptions &mTargetOpts; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 55 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 56 | // Output stream |
| 57 | llvm::raw_ostream *mpOS; |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 58 | Slang::OutputType mOT; |
Kirk Stewart | 6b22674 | 2010-06-11 10:51:12 -0700 | [diff] [blame] | 59 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 60 | llvm::TargetData *mpTargetData; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 61 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 62 | // This helps us translate Clang AST using into LLVM IR |
| 63 | clang::CodeGenerator *mGen; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 64 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 65 | // Passes |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 66 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 67 | // Passes apply on function scope in a translation unit |
| 68 | llvm::FunctionPassManager *mPerFunctionPasses; |
| 69 | // Passes apply on module scope |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 70 | llvm::PassManager *mPerModulePasses; |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 71 | // Passes for code emission |
| 72 | llvm::FunctionPassManager *mCodeGenPasses; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 73 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 74 | llvm::formatted_raw_ostream FormattedOutStream; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 75 | |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 76 | void CreateFunctionPasses(); |
| 77 | void CreateModulePasses(); |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 78 | bool CreateCodeGenPasses(); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 79 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 80 | protected: |
| 81 | llvm::LLVMContext &mLLVMContext; |
| 82 | clang::Diagnostic &mDiags; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 83 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 84 | llvm::Module *mpModule; |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 85 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 86 | const PragmaList &mPragmas; |
Shih-wei Liao | cecd11d | 2010-09-21 08:07:58 -0700 | [diff] [blame] | 87 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 88 | // Extra handler for subclass to handle translation unit before emission |
| 89 | virtual void HandleTranslationUnitEx(clang::ASTContext &Ctx) { return; } |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 90 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 91 | public: |
| 92 | Backend(clang::Diagnostic &Diags, |
| 93 | const clang::CodeGenOptions &CodeGenOpts, |
| 94 | const clang::TargetOptions &TargetOpts, |
| 95 | const PragmaList &Pragmas, |
| 96 | llvm::raw_ostream *OS, |
Zonr Chang | 3a9ca1f | 2010-10-06 17:52:56 +0800 | [diff] [blame] | 97 | Slang::OutputType OT); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 98 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 99 | // Initialize - This is called to initialize the consumer, providing the |
| 100 | // ASTContext. |
| 101 | virtual void Initialize(clang::ASTContext &Ctx); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 102 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 103 | // HandleTopLevelDecl - Handle the specified top-level declaration. This is |
| 104 | // called by the parser to process every top-level Decl*. Note that D can be |
| 105 | // the head of a chain of Decls (e.g. for `int a, b` the chain will have two |
| 106 | // elements). Use Decl::getNextDeclarator() to walk the chain. |
| 107 | virtual void HandleTopLevelDecl(clang::DeclGroupRef D); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 108 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 109 | // HandleTranslationUnit - This method is called when the ASTs for entire |
| 110 | // translation unit have been parsed. |
| 111 | virtual void HandleTranslationUnit(clang::ASTContext &Ctx); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 112 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 113 | // HandleTagDeclDefinition - This callback is invoked each time a TagDecl |
| 114 | // (e.g. struct, union, enum, class) is completed. This allows the client to |
| 115 | // hack on the type, which can occur at any point in the file (because these |
| 116 | // can be defined in declspecs). |
| 117 | virtual void HandleTagDeclDefinition(clang::TagDecl *D); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 118 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 119 | // CompleteTentativeDefinition - Callback invoked at the end of a translation |
| 120 | // unit to notify the consumer that the given tentative definition should be |
| 121 | // completed. |
| 122 | virtual void CompleteTentativeDefinition(clang::VarDecl *D); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 123 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 124 | virtual ~Backend(); |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 125 | }; |
| 126 | |
Shih-wei Liao | 9ef2f78 | 2010-10-01 12:31:37 -0700 | [diff] [blame] | 127 | } // namespace slang |
Shih-wei Liao | 462aefd | 2010-06-04 15:32:04 -0700 | [diff] [blame] | 128 | |
zonr | 6315f76 | 2010-10-05 15:35:14 +0800 | [diff] [blame] | 129 | #endif // _SLANG_COMPILER_BACKEND_H |