llvm-project/lldb/source/Expression/ASTDumper.cpp

133 lines
3.2 KiB
C++

//===-- ASTDumper.cpp -------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/Log.h"
#include "lldb/Expression/ASTDumper.h"
#include "lldb/Symbol/ClangASTType.h"
#include "llvm/Support/raw_ostream.h"
using namespace lldb_private;
ASTDumper::ASTDumper (clang::Decl *decl)
{
clang::DeclContext *decl_ctx = llvm::dyn_cast<clang::DeclContext>(decl);
bool has_external_lexical_storage;
bool has_external_visible_storage;
if (decl_ctx)
{
has_external_lexical_storage = decl_ctx->hasExternalLexicalStorage();
has_external_visible_storage = decl_ctx->hasExternalVisibleStorage();
decl_ctx->setHasExternalLexicalStorage(false);
decl_ctx->setHasExternalVisibleStorage(false);
}
llvm::raw_string_ostream os(m_dump);
decl->print (os);
os.flush();
if (decl_ctx)
{
decl_ctx->setHasExternalLexicalStorage(has_external_lexical_storage);
decl_ctx->setHasExternalVisibleStorage(has_external_visible_storage);
}
}
ASTDumper::ASTDumper (clang::DeclContext *decl_ctx)
{
bool has_external_lexical_storage = decl_ctx->hasExternalLexicalStorage();
bool has_external_visible_storage = decl_ctx->hasExternalVisibleStorage();
decl_ctx->setHasExternalLexicalStorage(false);
decl_ctx->setHasExternalVisibleStorage(false);
if (clang::Decl *decl = llvm::dyn_cast<clang::Decl>(decl_ctx))
{
llvm::raw_string_ostream os(m_dump);
decl->print (os);
os.flush();
}
else
{
m_dump.assign("<DeclContext is not a Decl>");
}
decl_ctx->setHasExternalLexicalStorage(has_external_lexical_storage);
decl_ctx->setHasExternalVisibleStorage(has_external_visible_storage);
}
ASTDumper::ASTDumper (const clang::Type *type)
{
m_dump = clang::QualType(type, 0).getAsString();
}
ASTDumper::ASTDumper (clang::QualType type)
{
m_dump = type.getAsString();
}
ASTDumper::ASTDumper (lldb::clang_type_t type)
{
m_dump = clang::QualType::getFromOpaquePtr(type).getAsString();
}
ASTDumper::ASTDumper (const ClangASTType &clang_type)
{
m_dump = clang_type.GetQualType().getAsString();
}
const char *
ASTDumper::GetCString()
{
return m_dump.c_str();
}
void ASTDumper::ToSTDERR()
{
fprintf(stderr, "%s\n", m_dump.c_str());
}
void ASTDumper::ToLog(Log *log, const char *prefix)
{
size_t len = m_dump.length() + 1;
char *alloc = (char*)malloc(len);
char *str = alloc;
memcpy(str, m_dump.c_str(), len);
char *end = NULL;
end = strchr(str, '\n');
while (end)
{
*end = '\0';
log->Printf("%s%s", prefix, str);
*end = '\n';
str = end + 1;
end = strchr(str, '\n');
}
log->Printf("%s%s", prefix, str);
free(alloc);
}
void ASTDumper::ToStream(lldb::StreamSP &stream)
{
stream->PutCString(m_dump.c_str());
}