| //===--- PrintParserActions.cpp - Implement -parse-print-callbacks mode ---===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file was developed by Chris Lattner and is distributed under |
| // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This code simply runs the preprocessor on the input file and prints out the |
| // result. This is the traditional behavior of the -E option. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang.h" |
| #include "clang/Lex/IdentifierTable.h" |
| #include "clang/Parse/Action.h" |
| #include "clang/Parse/DeclSpec.h" |
| #include <iostream> |
| using namespace clang; |
| |
| namespace { |
| class ParserPrintActions : public MinimalAction { |
| |
| /// ParseDeclarator - This callback is invoked when a declarator is parsed |
| /// and 'Init' specifies the initializer if any. This is for things like: |
| /// "int X = 4" or "typedef int foo". |
| virtual DeclTy *ParseDeclarator(Scope *S, Declarator &D, ExprTy *Init, |
| DeclTy *LastInGroup) { |
| std::cout << "ParseDeclarator "; |
| if (IdentifierInfo *II = D.getIdentifier()) { |
| std::cout << "'" << II->getName() << "'"; |
| } else { |
| std::cout << "<anon>"; |
| } |
| std::cout << "\n"; |
| |
| // Pass up to EmptyActions so that the symbol table is maintained right. |
| return MinimalAction::ParseDeclarator(S, D, Init, LastInGroup); |
| } |
| |
| /// PopScope - This callback is called immediately before the specified scope |
| /// is popped and deleted. |
| virtual void PopScope(SourceLocation Loc, Scope *S) { |
| std::cout << "PopScope\n"; |
| |
| // Pass up to EmptyActions so that the symbol table is maintained right. |
| MinimalAction::PopScope(Loc, S); |
| } |
| }; |
| } |
| |
| MinimalAction *clang::CreatePrintParserActionsAction() { |
| return new ParserPrintActions(); |
| } |