Split code in CIndex.cpp into multiple source files, and remove some unnecessary #includes.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92756 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/CIndex/CIndexer.cpp b/tools/CIndex/CIndexer.cpp
new file mode 100644
index 0000000..f26c8ce
--- /dev/null
+++ b/tools/CIndex/CIndexer.cpp
@@ -0,0 +1,96 @@
+//===- CIndex.cpp - Clang-C Source Indexing Library -----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Clang-C Source Indexing library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CIndexer.h"
+
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclVisitor.h"
+#include "clang/AST/StmtVisitor.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Basic/SourceManager.h"
+#include "clang/Basic/Version.h"
+#include "clang/Sema/CodeCompleteConsumer.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Config/config.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Program.h"
+
+#include <cstdio>
+#include <vector>
+#include <sstream>
+
+#ifdef LLVM_ON_WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+using namespace clang;
+using namespace idx;
+
+const llvm::sys::Path& CIndexer::getClangPath() {
+ // Did we already compute the path?
+ if (!ClangPath.empty())
+ return ClangPath;
+
+ // Find the location where this library lives (libCIndex.dylib).
+#ifdef LLVM_ON_WIN32
+ MEMORY_BASIC_INFORMATION mbi;
+ char path[MAX_PATH];
+ VirtualQuery((void *)(uintptr_t)clang_createTranslationUnit, &mbi,
+ sizeof(mbi));
+ GetModuleFileNameA((HINSTANCE)mbi.AllocationBase, path, MAX_PATH);
+
+ llvm::sys::Path CIndexPath(path);
+
+ CIndexPath.eraseComponent();
+ CIndexPath.appendComponent("clang");
+ CIndexPath.appendSuffix("exe");
+ CIndexPath.makeAbsolute();
+#else
+ // This silly cast below avoids a C++ warning.
+ Dl_info info;
+ if (dladdr((void *)(uintptr_t)clang_createTranslationUnit, &info) == 0)
+ assert(0 && "Call to dladdr() failed");
+
+ llvm::sys::Path CIndexPath(info.dli_fname);
+
+ // We now have the CIndex directory, locate clang relative to it.
+ CIndexPath.eraseComponent();
+ CIndexPath.eraseComponent();
+ CIndexPath.appendComponent("bin");
+ CIndexPath.appendComponent("clang");
+#endif
+
+ // Cache our result.
+ ClangPath = CIndexPath;
+ return ClangPath;
+}
+
+std::string CIndexer::getClangResourcesPath() {
+ llvm::sys::Path P = getClangPath();
+
+ if (!P.empty()) {
+ P.eraseComponent(); // Remove /clang from foo/bin/clang
+ P.eraseComponent(); // Remove /bin from foo/bin
+
+ // Get foo/lib/clang/<version>/include
+ P.appendComponent("lib");
+ P.appendComponent("clang");
+ P.appendComponent(CLANG_VERSION_STRING);
+ }
+
+ return P.str();
+}