99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
// Dump the AST for a file.
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//
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// Compile with:
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// g++ `llvm-config-3.8 --cxxflags --ldflags` -lclang -o clang-ast clang-ast.cpp
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#include <iostream>
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#include <cstdlib>
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#include <clang-c/Index.h>
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std::ostream& operator<<(std::ostream& stream, const CXString& str)
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{
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stream << clang_getCString(str);
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clang_disposeString(str);
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return stream;
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}
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int main(int argc, char **argv)
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{
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if (argc == 1) {
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std::cerr << "No source file\n";
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return EXIT_FAILURE;
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}
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const char *argv1[] = { argv[0], "-std=c++11" };
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CXIndex index = clang_createIndex(0, 0);
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CXTranslationUnit unit = clang_parseTranslationUnit(
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index,
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argv[1], argv1, sizeof(argv1) / sizeof(argv1[0]),
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nullptr, 0,
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CXTranslationUnit_None);
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if (unit == nullptr) {
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std::cerr << "Unable to parse translation unit. Quitting." << std::endl;
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return EXIT_FAILURE;
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}
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std::cout << "<?xml version=\"1.0\"?>\n"
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<< "<clang-ast>\n";
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CXCursor cursor = clang_getTranslationUnitCursor(unit);
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clang_visitChildren(
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cursor,
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[](CXCursor c, CXCursor parent, CXClientData client_data) {
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switch (clang_getCursorKind(c)) {
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case CXCursor_FunctionDecl:
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case CXCursor_CXXMethod: {
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CXSourceLocation location = clang_getCursorLocation(c);
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CXString filename;
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unsigned int line, column;
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clang_getPresumedLocation(location, &filename, &line, &column);
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std::cout << "<Function" /* << clang_getCursorKindSpelling(clang_getCursorKind(c)) */
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<< " name=\"" << clang_getCursorSpelling(c) << '\"'
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<< " filename=\"" << filename << '\"'
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<< " line=\"" << line << '\"'
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// << " column=\"" << column << '\"'
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<< "/>\n";
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break;
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}
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case CXCursor_CallExpr: {
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CXSourceLocation location = clang_getCursorLocation(c);
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CXString filename;
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unsigned int line, column;
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clang_getPresumedLocation(location, &filename, &line, &column);
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CXCursor ref = clang_getCursorReferenced(c);
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CXSourceLocation locationRef = clang_getCursorLocation(ref);
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CXString filenameRef;
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unsigned int lineRef, columnRef;
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clang_getPresumedLocation(locationRef, &filenameRef, &lineRef, &columnRef);
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std::cout << "<CallExpr"
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<< " name=\"" << clang_getCursorSpelling(c) << '\"'
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<< " filename=\"" << filename << '\"'
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<< " line=\"" << line << '\"'
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// << " column=\"" << column << '\"'
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<< " filenameRef=\"" << filenameRef << '\"'
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<< " lineRef=\"" << lineRef << '\"'
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<< "/>\n";
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break;
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}
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break;
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default:
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break;
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};
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return CXChildVisit_Recurse;
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},
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nullptr);
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std::cout << "</clang-ast>\n";
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clang_disposeTranslationUnit(unit);
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clang_disposeIndex(index);
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return EXIT_SUCCESS;
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}
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