forked from OSchip/llvm-project
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
//===--- Sema.cpp - AST Builder and Semantic Analysis Implementation ------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chris Lattner and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the actions class which performs semantic analysis and
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// builds an AST out of a parse stream.
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//
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//===----------------------------------------------------------------------===//
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#include "Sema.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Basic/Diagnostic.h"
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using namespace clang;
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Sema::Sema(Preprocessor &pp, ASTContext &ctxt, std::vector<Decl*> &prevInGroup)
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: PP(pp), Context(ctxt), CurFunctionDecl(0), LastInGroupList(prevInGroup) {
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// Get IdentifierInfo objects for known functions for which we
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// do extra checking.
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IdentifierTable& IT = PP.getIdentifierTable();
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KnownFunctionIDs[ id_printf ] = &IT.get("printf");
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KnownFunctionIDs[ id_fprintf ] = &IT.get("fprintf");
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KnownFunctionIDs[ id_sprintf ] = &IT.get("sprintf");
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KnownFunctionIDs[ id_snprintf ] = &IT.get("snprintf");
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KnownFunctionIDs[ id_asprintf ] = &IT.get("asprintf");
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KnownFunctionIDs[ id_vsnprintf ] = &IT.get("vsnprintf");
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KnownFunctionIDs[ id_vasprintf ] = &IT.get("vasprintf");
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KnownFunctionIDs[ id_vfprintf ] = &IT.get("vfprintf");
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KnownFunctionIDs[ id_vsprintf ] = &IT.get("vsprintf");
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KnownFunctionIDs[ id_vprintf ] = &IT.get("vprintf");
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}
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//===----------------------------------------------------------------------===//
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// Helper functions.
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//===----------------------------------------------------------------------===//
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID) {
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PP.getDiagnostics().Report(Loc, DiagID);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg) {
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PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1,
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const std::string &Msg2) {
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std::string MsgArr[] = { Msg1, Msg2 };
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PP.getDiagnostics().Report(Loc, DiagID, MsgArr, 2);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, SourceRange Range) {
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PP.getDiagnostics().Report(Loc, DiagID, 0, 0, &Range, 1);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg,
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SourceRange Range) {
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PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1, &Range, 1);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg1,
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const std::string &Msg2, SourceRange Range) {
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std::string MsgArr[] = { Msg1, Msg2 };
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PP.getDiagnostics().Report(Loc, DiagID, MsgArr, 2, &Range, 1);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID,
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SourceRange R1, SourceRange R2) {
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SourceRange RangeArr[] = { R1, R2 };
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PP.getDiagnostics().Report(Loc, DiagID, 0, 0, RangeArr, 2);
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return true;
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}
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bool Sema::Diag(SourceLocation Loc, unsigned DiagID, const std::string &Msg,
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SourceRange R1, SourceRange R2) {
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SourceRange RangeArr[] = { R1, R2 };
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PP.getDiagnostics().Report(Loc, DiagID, &Msg, 1, RangeArr, 2);
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return true;
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}
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bool Sema::Diag(SourceLocation Range, unsigned DiagID, const std::string &Msg1,
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const std::string &Msg2, SourceRange R1, SourceRange R2) {
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std::string MsgArr[] = { Msg1, Msg2 };
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SourceRange RangeArr[] = { R1, R2 };
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PP.getDiagnostics().Report(Range, DiagID, MsgArr, 2, RangeArr, 2);
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return true;
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}
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const LangOptions &Sema::getLangOptions() const {
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return PP.getLangOptions();
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}
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