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Extract ASTDumper to a header file 

Summary:
This class has member APIs which are useful to clients.  Make it
possible to use those APIs without adding them to dump() member
functions.  Doing so does not scale.  The optional arguments to dump()
should be designed to be useful in a debugging context.

Reviewers: aaron.ballman

Subscribers: cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D61835

llvm-svn: 361034
This commit is contained in:
Stephen Kelly 2019-05-17 13:59:15 +00:00
parent 0855896c68
commit c8dcbed6e4
2 changed files with 57 additions and 46 deletions
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56
clang/include/clang/AST/ASTDumper.h Normal file
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@ -0,0 +1,56 @@
//===--- ASTDumper.h - Dumping implementation for ASTs --------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_AST_ASTDUMPER_H
#define LLVM_CLANG_AST_ASTDUMPER_H
#include "clang/AST/ASTNodeTraverser.h"
#include "clang/AST/TextNodeDumper.h"
namespace clang {
class ASTDumper : public ASTNodeTraverser<ASTDumper, TextNodeDumper> {
TextNodeDumper NodeDumper;
raw_ostream &OS;
const bool ShowColors;
public:
ASTDumper(raw_ostream &OS, const comments::CommandTraits *Traits,
const SourceManager *SM)
: ASTDumper(OS, Traits, SM, SM && SM->getDiagnostics().getShowColors()) {}
ASTDumper(raw_ostream &OS, const comments::CommandTraits *Traits,
const SourceManager *SM, bool ShowColors)
: ASTDumper(OS, Traits, SM, ShowColors, LangOptions()) {}
ASTDumper(raw_ostream &OS, const comments::CommandTraits *Traits,
const SourceManager *SM, bool ShowColors,
const PrintingPolicy &PrintPolicy)
: NodeDumper(OS, ShowColors, SM, PrintPolicy, Traits), OS(OS),
ShowColors(ShowColors) {}
TextNodeDumper &doGetNodeDelegate() { return NodeDumper; }
void dumpLookups(const DeclContext *DC, bool DumpDecls);
template <typename SpecializationDecl>
void dumpTemplateDeclSpecialization(const SpecializationDecl *D,
bool DumpExplicitInst, bool DumpRefOnly);
template <typename TemplateDecl>
void dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst);
void VisitFunctionTemplateDecl(const FunctionTemplateDecl *D);
void VisitClassTemplateDecl(const ClassTemplateDecl *D);
void VisitVarTemplateDecl(const VarTemplateDecl *D);
};
} // namespace clang
#endif

47
clang/lib/AST/ASTDumper.cpp
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@ -11,11 +11,10 @@
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTDumper.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/ASTNodeTraverser.h"
#include "clang/AST/DeclLookups.h"
#include "clang/AST/JSONNodeDumper.h"
#include "clang/AST/TextNodeDumper.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/Module.h"
#include "clang/Basic/SourceManager.h"
@ -23,50 +22,6 @@
using namespace clang;
using namespace clang::comments;
//===----------------------------------------------------------------------===//
// ASTDumper Visitor
//===----------------------------------------------------------------------===//
namespace {
class ASTDumper : public ASTNodeTraverser<ASTDumper, TextNodeDumper> {
TextNodeDumper NodeDumper;
raw_ostream &OS;
const bool ShowColors;
public:
ASTDumper(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM)
: ASTDumper(OS, Traits, SM, SM && SM->getDiagnostics().getShowColors()) {}
ASTDumper(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM, bool ShowColors)
: ASTDumper(OS, Traits, SM, ShowColors, LangOptions()) {}
ASTDumper(raw_ostream &OS, const CommandTraits *Traits,
const SourceManager *SM, bool ShowColors,
const PrintingPolicy &PrintPolicy)
: NodeDumper(OS, ShowColors, SM, PrintPolicy, Traits), OS(OS),
ShowColors(ShowColors) {}
TextNodeDumper &doGetNodeDelegate() { return NodeDumper; }
void dumpLookups(const DeclContext *DC, bool DumpDecls);
template <typename SpecializationDecl>
void dumpTemplateDeclSpecialization(const SpecializationDecl *D,
bool DumpExplicitInst, bool DumpRefOnly);
template <typename TemplateDecl>
void dumpTemplateDecl(const TemplateDecl *D, bool DumpExplicitInst);
void VisitFunctionTemplateDecl(const FunctionTemplateDecl *D);
void VisitClassTemplateDecl(const ClassTemplateDecl *D);
void VisitVarTemplateDecl(const VarTemplateDecl *D);
};
} // namespace
void ASTDumper::dumpLookups(const DeclContext *DC, bool DumpDecls) {
NodeDumper.AddChild([=] {
OS << "StoredDeclsMap ";