1//===-- ASTDumper.cpp -------------------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "lldb/Core/Log.h"
11#include "lldb/Expression/ASTDumper.h"
12#include "lldb/Symbol/ClangASTType.h"
13
14#include "llvm/Support/raw_ostream.h"
15
16using namespace lldb_private;
17
18ASTDumper::ASTDumper (clang::Decl *decl)
19{
20    clang::DeclContext *decl_ctx = llvm::dyn_cast<clang::DeclContext>(decl);
21
22    bool has_external_lexical_storage;
23    bool has_external_visible_storage;
24
25    if (decl_ctx)
26    {
27        has_external_lexical_storage = decl_ctx->hasExternalLexicalStorage();
28        has_external_visible_storage = decl_ctx->hasExternalVisibleStorage();
29        decl_ctx->setHasExternalLexicalStorage(false);
30        decl_ctx->setHasExternalVisibleStorage(false);
31    }
32
33    llvm::raw_string_ostream os(m_dump);
34    decl->print (os);
35    os.flush();
36
37    if (decl_ctx)
38    {
39        decl_ctx->setHasExternalLexicalStorage(has_external_lexical_storage);
40        decl_ctx->setHasExternalVisibleStorage(has_external_visible_storage);
41    }
42}
43
44ASTDumper::ASTDumper (clang::DeclContext *decl_ctx)
45{
46    bool has_external_lexical_storage = decl_ctx->hasExternalLexicalStorage();
47    bool has_external_visible_storage = decl_ctx->hasExternalVisibleStorage();
48
49    decl_ctx->setHasExternalLexicalStorage(false);
50    decl_ctx->setHasExternalVisibleStorage(false);
51
52    if (clang::Decl *decl = llvm::dyn_cast<clang::Decl>(decl_ctx))
53    {
54        llvm::raw_string_ostream os(m_dump);
55        decl->print (os);
56        os.flush();
57    }
58    else
59    {
60        m_dump.assign("<DeclContext is not a Decl>");
61    }
62
63    decl_ctx->setHasExternalLexicalStorage(has_external_lexical_storage);
64    decl_ctx->setHasExternalVisibleStorage(has_external_visible_storage);
65}
66
67ASTDumper::ASTDumper (const clang::Type *type)
68{
69    m_dump = clang::QualType(type, 0).getAsString();
70}
71
72ASTDumper::ASTDumper (clang::QualType type)
73{
74    m_dump = type.getAsString();
75}
76
77ASTDumper::ASTDumper (lldb::clang_type_t type)
78{
79    m_dump = clang::QualType::getFromOpaquePtr(type).getAsString();
80}
81
82ASTDumper::ASTDumper (const ClangASTType &clang_type)
83{
84    m_dump = clang_type.GetQualType().getAsString();
85}
86
87
88const char *
89ASTDumper::GetCString()
90{
91    return m_dump.c_str();
92}
93
94void ASTDumper::ToSTDERR()
95{
96    fprintf(stderr, "%s\n", m_dump.c_str());
97}
98
99void ASTDumper::ToLog(Log *log, const char *prefix)
100{
101    size_t len = m_dump.length() + 1;
102
103    char *alloc = (char*)malloc(len);
104    char *str = alloc;
105
106    memcpy(str, m_dump.c_str(), len);
107
108    char *end = NULL;
109
110    end = strchr(str, '\n');
111
112    while (end)
113    {
114        *end = '\0';
115
116        log->Printf("%s%s", prefix, str);
117
118        *end = '\n';
119
120        str = end + 1;
121        end = strchr(str, '\n');
122    }
123
124    log->Printf("%s%s", prefix, str);
125
126    free(alloc);
127}
128
129void ASTDumper::ToStream(lldb::StreamSP &stream)
130{
131    stream->PutCString(m_dump.c_str());
132}
133