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//===--- 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_vsnprintf ] = &IT.get("vsnprintf");
KnownFunctionIDs[ id_asprintf ] = &IT.get("asprintf");
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();
}
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