1 files changed, 134 insertions, 0 deletions
diff --git a/source/Plugins/ExpressionParser/Clang/ASTDumper.cpp b/source/Plugins/ExpressionParser/Clang/ASTDumper.cpp
new file mode 100644
index 000000000000..976310610f51
--- /dev/null
+++ b/source/Plugins/ExpressionParser/Clang/ASTDumper.cpp
@@ -0,0 +1,134 @@
+//===-- 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 "ASTDumper.h"
+
+#include "lldb/Core/Log.h"
+#include "lldb/Symbol/ClangASTContext.h"
+#include "lldb/Symbol/CompilerType.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::opaque_compiler_type_t type)
+{
+    m_dump = clang::QualType::getFromOpaquePtr(type).getAsString();
+}
+
+ASTDumper::ASTDumper (const CompilerType &compiler_type)
+{
+    m_dump = ClangASTContext::GetQualType(compiler_type).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());
+}