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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:12:48 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-05-04 16:12:48 +0000 |
| commit | 8aaf5818a64e9f7687798852af5945b053c68a54 (patch) | |
| tree | d6a70c3518b8dea8be7062438d7e8676820ed17f /tools/libclang/CIndexInclusionStack.cpp | |
| parent | 71438373cd57f0d5d8c93bb5cf690844a0fbc9d0 (diff) | |
| download | FreeBSD-src-8aaf5818a64e9f7687798852af5945b053c68a54.zip FreeBSD-src-8aaf5818a64e9f7687798852af5945b053c68a54.tar.gz | |
Update clang to r103004.
Diffstat (limited to 'tools/libclang/CIndexInclusionStack.cpp')
| -rw-r--r-- | tools/libclang/CIndexInclusionStack.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tools/libclang/CIndexInclusionStack.cpp b/tools/libclang/CIndexInclusionStack.cpp new file mode 100644 index 0000000..e863239 --- /dev/null +++ b/tools/libclang/CIndexInclusionStack.cpp @@ -0,0 +1,67 @@ +//===- CIndexInclusionStack.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 defines a callback mechanism for clients to get the inclusion +// stack from a translation unit. +// +//===----------------------------------------------------------------------===// + +#include "CIndexer.h" +#include "CXSourceLocation.h" +#include "clang/AST/DeclVisitor.h" +#include "clang/Frontend/ASTUnit.h" +#include "llvm/ADT/SmallString.h" +#include "llvm/Support/raw_ostream.h" +using namespace clang; + +extern "C" { +void clang_getInclusions(CXTranslationUnit TU, CXInclusionVisitor CB, + CXClientData clientData) { + + ASTUnit *CXXUnit = static_cast<ASTUnit *>(TU); + SourceManager &SM = CXXUnit->getSourceManager(); + ASTContext &Ctx = CXXUnit->getASTContext(); + + llvm::SmallVector<CXSourceLocation, 10> InclusionStack; + unsigned i = SM.sloc_loaded_entry_size(); + unsigned n = SM.sloc_entry_size(); + + // In the case where all the SLocEntries are in an external source, traverse + // those SLocEntries as well. This is the case where we are looking + // at the inclusion stack of an AST/PCH file. + if (i >= n) + i = 0; + + for ( ; i < n ; ++i) { + + const SrcMgr::SLocEntry &SL = SM.getSLocEntry(i); + + if (!SL.isFile()) + continue; + + const SrcMgr::FileInfo &FI = SL.getFile(); + if (!FI.getContentCache()->Entry) + continue; + + // Build the inclusion stack. + SourceLocation L = FI.getIncludeLoc(); + InclusionStack.clear(); + while (L.isValid()) { + PresumedLoc PLoc = SM.getPresumedLoc(L); + InclusionStack.push_back(cxloc::translateSourceLocation(Ctx, L)); + L = PLoc.getIncludeLoc(); + } + + // Callback to the client. + // FIXME: We should have a function to construct CXFiles. + CB((CXFile) FI.getContentCache()->Entry, + InclusionStack.data(), InclusionStack.size(), clientData); + } +} +} // end extern C |
