| //===--- Sema.cpp - AST Builder and Semantic Analysis Implementation ------===// |
| // |
| // 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 file implements the actions class which performs semantic analysis and |
| // builds an AST out of a parse stream. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Sema.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/Lex/Preprocessor.h" |
| #include "clang/Basic/Diagnostic.h" |
| |
| using namespace clang; |
| |
| Sema::Sema(Preprocessor &pp, ASTContext &ctxt, std::vector<Decl*> &prevInGroup) |
| : PP(pp), Context(ctxt), CurFunctionDecl(0), LastInGroupList(prevInGroup) { |
| |
| // Get IdentifierInfo objects for known functions for which we |
| // do extra checking. |
| IdentifierTable& IT = PP.getIdentifierTable(); |
| |
| KnownFunctionIDs[ id_printf ] = &IT.get("printf"); |
| KnownFunctionIDs[ id_fprintf ] = &IT.get("fprintf"); |
| KnownFunctionIDs[ id_sprintf ] = &IT.get("sprintf"); |
| KnownFunctionIDs[ id_snprintf ] = &IT.get("snprintf"); |
| KnownFunctionIDs[ id_asprintf ] = &IT.get("asprintf"); |
| KnownFunctionIDs[ id_vsnprintf ] = &IT.get("vsnprintf"); |
| KnownFunctionIDs[ id_vasprintf ] = &IT.get("vasprintf"); |
| KnownFunctionIDs[ id_vfprintf ] = &IT.get("vfprintf"); |
| KnownFunctionIDs[ id_vsprintf ] = &IT.get("vsprintf"); |
| KnownFunctionIDs[ id_vprintf ] = &IT.get("vprintf"); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Helper functions. |
| //===----------------------------------------------------------------------===// |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID) { |
| PP.getDiagnostics().Report(Loc, DiagID); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg) { |
| PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| const std::string &Msg2) { |
| std::string MsgArr[] = { Msg1, Msg2 }; |
| PP.getDiagnostics().Report(Loc, DiagID, MsgArr, 2); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, SourceRange Range) { |
| PP.getDiagnostics().Report(Loc, DiagID, 0, 0, &Range, 1); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| SourceRange Range) { |
| PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1, &Range, 1); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1, |
| const std::string &Msg2, SourceRange Range) { |
| std::string MsgArr[] = { Msg1, Msg2 }; |
| PP.getDiagnostics().Report(Loc, DiagID, MsgArr, 2, &Range, 1); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, |
| SourceRange R1, SourceRange R2) { |
| SourceRange RangeArr[] = { R1, R2 }; |
| PP.getDiagnostics().Report(Loc, DiagID, 0, 0, RangeArr, 2); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg, |
| SourceRange R1, SourceRange R2) { |
| SourceRange RangeArr[] = { R1, R2 }; |
| PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1, RangeArr, 2); |
| return true; |
| } |
| |
| bool Sema::Diag(SourceLocation Range, unsigned DiagID, const std::string &Msg1, |
| const std::string &Msg2, SourceRange R1, SourceRange R2) { |
| std::string MsgArr[] = { Msg1, Msg2 }; |
| SourceRange RangeArr[] = { R1, R2 }; |
| PP.getDiagnostics().Report(Range, DiagID, MsgArr, 2, RangeArr, 2); |
| return true; |
| } |
| |
| const LangOptions &Sema::getLangOptions() const { |
| return PP.getLangOptions(); |
| } |