933 lines
30 KiB
C++
933 lines
30 KiB
C++
//===- unittests/libclang/LibclangTest.cpp --- libclang tests -------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang-c/Index.h"
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#include "clang-c/Rewrite.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gtest/gtest.h"
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#include "TestUtils.h"
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#include <fstream>
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#include <functional>
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#include <map>
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#include <memory>
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#include <set>
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#define DEBUG_TYPE "libclang-test"
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TEST(libclang, clang_parseTranslationUnit2_InvalidArgs) {
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EXPECT_EQ(CXError_InvalidArguments,
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clang_parseTranslationUnit2(nullptr, nullptr, nullptr, 0, nullptr,
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0, 0, nullptr));
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}
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TEST(libclang, clang_createTranslationUnit_InvalidArgs) {
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EXPECT_EQ(nullptr, clang_createTranslationUnit(nullptr, nullptr));
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}
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TEST(libclang, clang_createTranslationUnit2_InvalidArgs) {
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EXPECT_EQ(CXError_InvalidArguments,
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clang_createTranslationUnit2(nullptr, nullptr, nullptr));
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CXTranslationUnit TU = reinterpret_cast<CXTranslationUnit>(1);
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EXPECT_EQ(CXError_InvalidArguments,
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clang_createTranslationUnit2(nullptr, nullptr, &TU));
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EXPECT_EQ(nullptr, TU);
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}
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namespace {
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struct TestVFO {
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const char *Contents;
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CXVirtualFileOverlay VFO;
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TestVFO(const char *Contents) : Contents(Contents) {
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VFO = clang_VirtualFileOverlay_create(0);
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}
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void map(const char *VPath, const char *RPath) {
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CXErrorCode Err = clang_VirtualFileOverlay_addFileMapping(VFO, VPath, RPath);
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EXPECT_EQ(Err, CXError_Success);
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}
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void mapError(const char *VPath, const char *RPath, CXErrorCode ExpErr) {
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CXErrorCode Err = clang_VirtualFileOverlay_addFileMapping(VFO, VPath, RPath);
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EXPECT_EQ(Err, ExpErr);
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}
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~TestVFO() {
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if (Contents) {
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char *BufPtr;
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unsigned BufSize;
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clang_VirtualFileOverlay_writeToBuffer(VFO, 0, &BufPtr, &BufSize);
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std::string BufStr(BufPtr, BufSize);
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EXPECT_STREQ(Contents, BufStr.c_str());
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clang_free(BufPtr);
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}
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clang_VirtualFileOverlay_dispose(VFO);
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}
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};
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}
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TEST(libclang, VirtualFileOverlay_Basic) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/virtual\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo.h\",\n"
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" 'external-contents': \"/real/foo.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/virtual/foo.h", "/real/foo.h");
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}
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TEST(libclang, VirtualFileOverlay_Unicode) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/\\u266B\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"\\u2602.h\",\n"
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" 'external-contents': \"/real/\\u2602.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/♫/☂.h", "/real/☂.h");
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}
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TEST(libclang, VirtualFileOverlay_InvalidArgs) {
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TestVFO T(nullptr);
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T.mapError("/path/./virtual/../foo.h", "/real/foo.h",
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CXError_InvalidArguments);
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}
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TEST(libclang, VirtualFileOverlay_RemapDirectories) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/another/dir\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo2.h\",\n"
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" 'external-contents': \"/real/foo2.h\"\n"
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" }\n"
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" ]\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/virtual/dir\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo1.h\",\n"
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" 'external-contents': \"/real/foo1.h\"\n"
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" },\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo3.h\",\n"
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" 'external-contents': \"/real/foo3.h\"\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"in/subdir\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo4.h\",\n"
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" 'external-contents': \"/real/foo4.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/virtual/dir/foo1.h", "/real/foo1.h");
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T.map("/another/dir/foo2.h", "/real/foo2.h");
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T.map("/path/virtual/dir/foo3.h", "/real/foo3.h");
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T.map("/path/virtual/dir/in/subdir/foo4.h", "/real/foo4.h");
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}
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TEST(libclang, VirtualFileOverlay_CaseInsensitive) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'case-sensitive': 'false',\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/virtual\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo.h\",\n"
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" 'external-contents': \"/real/foo.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/virtual/foo.h", "/real/foo.h");
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clang_VirtualFileOverlay_setCaseSensitivity(T.VFO, false);
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}
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TEST(libclang, VirtualFileOverlay_SharedPrefix) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/foo\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"bar\",\n"
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" 'external-contents': \"/real/bar\"\n"
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" },\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"bar.h\",\n"
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" 'external-contents': \"/real/bar.h\"\n"
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" }\n"
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" ]\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/foobar\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"baz.h\",\n"
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" 'external-contents': \"/real/baz.h\"\n"
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" }\n"
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" ]\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foobarbaz.h\",\n"
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" 'external-contents': \"/real/foobarbaz.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/foo/bar.h", "/real/bar.h");
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T.map("/path/foo/bar", "/real/bar");
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T.map("/path/foobar/baz.h", "/real/baz.h");
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T.map("/path/foobarbaz.h", "/real/foobarbaz.h");
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}
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TEST(libclang, VirtualFileOverlay_AdjacentDirectory) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/dir1\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo.h\",\n"
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" 'external-contents': \"/real/foo.h\"\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"subdir\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"bar.h\",\n"
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" 'external-contents': \"/real/bar.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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" },\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/path/dir2\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"baz.h\",\n"
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" 'external-contents': \"/real/baz.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/path/dir1/foo.h", "/real/foo.h");
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T.map("/path/dir1/subdir/bar.h", "/real/bar.h");
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T.map("/path/dir2/baz.h", "/real/baz.h");
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}
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TEST(libclang, VirtualFileOverlay_TopLevel) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" {\n"
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" 'type': 'directory',\n"
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" 'name': \"/\",\n"
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" 'contents': [\n"
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" {\n"
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" 'type': 'file',\n"
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" 'name': \"foo.h\",\n"
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" 'external-contents': \"/real/foo.h\"\n"
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" }\n"
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" ]\n"
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" }\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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T.map("/foo.h", "/real/foo.h");
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}
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TEST(libclang, VirtualFileOverlay_Empty) {
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const char *contents =
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"{\n"
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" 'version': 0,\n"
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" 'roots': [\n"
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" ]\n"
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"}\n";
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TestVFO T(contents);
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}
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TEST(libclang, ModuleMapDescriptor) {
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const char *Contents =
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"framework module TestFrame {\n"
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" umbrella header \"TestFrame.h\"\n"
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"\n"
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" export *\n"
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" module * { export * }\n"
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"}\n";
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CXModuleMapDescriptor MMD = clang_ModuleMapDescriptor_create(0);
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clang_ModuleMapDescriptor_setFrameworkModuleName(MMD, "TestFrame");
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clang_ModuleMapDescriptor_setUmbrellaHeader(MMD, "TestFrame.h");
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char *BufPtr;
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unsigned BufSize;
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clang_ModuleMapDescriptor_writeToBuffer(MMD, 0, &BufPtr, &BufSize);
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std::string BufStr(BufPtr, BufSize);
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EXPECT_STREQ(Contents, BufStr.c_str());
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clang_free(BufPtr);
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clang_ModuleMapDescriptor_dispose(MMD);
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}
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TEST_F(LibclangParseTest, AllSkippedRanges) {
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std::string Header = "header.h", Main = "main.cpp";
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WriteFile(Header,
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"#ifdef MANGOS\n"
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"printf(\"mmm\");\n"
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"#endif");
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WriteFile(Main,
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"#include \"header.h\"\n"
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"#ifdef KIWIS\n"
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"printf(\"mmm!!\");\n"
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"#endif");
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ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0,
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nullptr, 0, TUFlags);
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CXSourceRangeList *Ranges = clang_getAllSkippedRanges(ClangTU);
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EXPECT_EQ(2U, Ranges->count);
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CXSourceLocation cxl;
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unsigned line;
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cxl = clang_getRangeStart(Ranges->ranges[0]);
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clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
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EXPECT_EQ(1U, line);
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cxl = clang_getRangeEnd(Ranges->ranges[0]);
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clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
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EXPECT_EQ(3U, line);
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cxl = clang_getRangeStart(Ranges->ranges[1]);
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clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
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EXPECT_EQ(2U, line);
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cxl = clang_getRangeEnd(Ranges->ranges[1]);
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clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
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EXPECT_EQ(4U, line);
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clang_disposeSourceRangeList(Ranges);
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}
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TEST_F(LibclangParseTest, EvaluateChildExpression) {
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std::string Main = "main.m";
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WriteFile(Main, "#define kFOO @\"foo\"\n"
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"void foobar(void) {\n"
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" {kFOO;}\n"
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"}\n");
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ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
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0, TUFlags);
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CXCursor C = clang_getTranslationUnitCursor(ClangTU);
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clang_visitChildren(
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C,
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[](CXCursor cursor, CXCursor parent,
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CXClientData client_data) -> CXChildVisitResult {
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if (clang_getCursorKind(cursor) == CXCursor_FunctionDecl) {
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int numberedStmt = 0;
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clang_visitChildren(
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cursor,
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[](CXCursor cursor, CXCursor parent,
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CXClientData client_data) -> CXChildVisitResult {
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int &numberedStmt = *((int *)client_data);
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if (clang_getCursorKind(cursor) == CXCursor_CompoundStmt) {
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if (numberedStmt) {
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CXEvalResult RE = clang_Cursor_Evaluate(cursor);
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EXPECT_NE(RE, nullptr);
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EXPECT_EQ(clang_EvalResult_getKind(RE),
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CXEval_ObjCStrLiteral);
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clang_EvalResult_dispose(RE);
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return CXChildVisit_Break;
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}
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numberedStmt++;
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}
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return CXChildVisit_Recurse;
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},
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&numberedStmt);
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EXPECT_EQ(numberedStmt, 1);
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}
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return CXChildVisit_Continue;
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},
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nullptr);
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}
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class LibclangReparseTest : public LibclangParseTest {
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public:
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void DisplayDiagnostics() {
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unsigned NumDiagnostics = clang_getNumDiagnostics(ClangTU);
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for (unsigned i = 0; i < NumDiagnostics; ++i) {
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auto Diag = clang_getDiagnostic(ClangTU, i);
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LLVM_DEBUG(llvm::dbgs()
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<< clang_getCString(clang_formatDiagnostic(
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Diag, clang_defaultDiagnosticDisplayOptions()))
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<< "\n");
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clang_disposeDiagnostic(Diag);
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}
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}
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bool ReparseTU(unsigned num_unsaved_files, CXUnsavedFile* unsaved_files) {
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if (clang_reparseTranslationUnit(ClangTU, num_unsaved_files, unsaved_files,
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clang_defaultReparseOptions(ClangTU))) {
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LLVM_DEBUG(llvm::dbgs() << "Reparse failed\n");
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return false;
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}
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DisplayDiagnostics();
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return true;
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}
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};
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TEST_F(LibclangReparseTest, FileName) {
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std::string CppName = "main.cpp";
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WriteFile(CppName, "int main() {}");
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ClangTU = clang_parseTranslationUnit(Index, CppName.c_str(), nullptr, 0,
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nullptr, 0, TUFlags);
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CXFile cxf = clang_getFile(ClangTU, CppName.c_str());
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CXString cxname = clang_getFileName(cxf);
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ASSERT_STREQ(clang_getCString(cxname), CppName.c_str());
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clang_disposeString(cxname);
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cxname = clang_File_tryGetRealPathName(cxf);
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ASSERT_TRUE(llvm::StringRef(clang_getCString(cxname)).endswith("main.cpp"));
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clang_disposeString(cxname);
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}
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TEST_F(LibclangReparseTest, Reparse) {
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const char *HeaderTop = "#ifndef H\n#define H\nstruct Foo { int bar;";
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const char *HeaderBottom = "\n};\n#endif\n";
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const char *CppFile = "#include \"HeaderFile.h\"\nint main() {"
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" Foo foo; foo.bar = 7; foo.baz = 8; }\n";
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std::string HeaderName = "HeaderFile.h";
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std::string CppName = "CppFile.cpp";
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WriteFile(CppName, CppFile);
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WriteFile(HeaderName, std::string(HeaderTop) + HeaderBottom);
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ClangTU = clang_parseTranslationUnit(Index, CppName.c_str(), nullptr, 0,
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nullptr, 0, TUFlags);
|
|
EXPECT_EQ(1U, clang_getNumDiagnostics(ClangTU));
|
|
DisplayDiagnostics();
|
|
|
|
// Immedaitely reparse.
|
|
ASSERT_TRUE(ReparseTU(0, nullptr /* No unsaved files. */));
|
|
EXPECT_EQ(1U, clang_getNumDiagnostics(ClangTU));
|
|
|
|
std::string NewHeaderContents =
|
|
std::string(HeaderTop) + "int baz;" + HeaderBottom;
|
|
WriteFile(HeaderName, NewHeaderContents);
|
|
|
|
// Reparse after fix.
|
|
ASSERT_TRUE(ReparseTU(0, nullptr /* No unsaved files. */));
|
|
EXPECT_EQ(0U, clang_getNumDiagnostics(ClangTU));
|
|
}
|
|
|
|
TEST_F(LibclangReparseTest, ReparseWithModule) {
|
|
const char *HeaderTop = "#ifndef H\n#define H\nstruct Foo { int bar;";
|
|
const char *HeaderBottom = "\n};\n#endif\n";
|
|
const char *MFile = "#include \"HeaderFile.h\"\nint main() {"
|
|
" struct Foo foo; foo.bar = 7; foo.baz = 8; }\n";
|
|
const char *ModFile = "module A { header \"HeaderFile.h\" }\n";
|
|
std::string HeaderName = "HeaderFile.h";
|
|
std::string MName = "MFile.m";
|
|
std::string ModName = "module.modulemap";
|
|
WriteFile(MName, MFile);
|
|
WriteFile(HeaderName, std::string(HeaderTop) + HeaderBottom);
|
|
WriteFile(ModName, ModFile);
|
|
|
|
std::string ModulesCache = std::string("-fmodules-cache-path=") + TestDir;
|
|
const char *Args[] = { "-fmodules", ModulesCache.c_str(),
|
|
"-I", TestDir.c_str() };
|
|
int NumArgs = sizeof(Args) / sizeof(Args[0]);
|
|
ClangTU = clang_parseTranslationUnit(Index, MName.c_str(), Args, NumArgs,
|
|
nullptr, 0, TUFlags);
|
|
EXPECT_EQ(1U, clang_getNumDiagnostics(ClangTU));
|
|
DisplayDiagnostics();
|
|
|
|
// Immedaitely reparse.
|
|
ASSERT_TRUE(ReparseTU(0, nullptr /* No unsaved files. */));
|
|
EXPECT_EQ(1U, clang_getNumDiagnostics(ClangTU));
|
|
|
|
std::string NewHeaderContents =
|
|
std::string(HeaderTop) + "int baz;" + HeaderBottom;
|
|
WriteFile(HeaderName, NewHeaderContents);
|
|
|
|
// Reparse after fix.
|
|
ASSERT_TRUE(ReparseTU(0, nullptr /* No unsaved files. */));
|
|
EXPECT_EQ(0U, clang_getNumDiagnostics(ClangTU));
|
|
}
|
|
|
|
TEST_F(LibclangReparseTest, clang_parseTranslationUnit2FullArgv) {
|
|
// Provide a fake GCC 99.9.9 standard library that always overrides any local
|
|
// GCC installation.
|
|
std::string EmptyFiles[] = {"lib/gcc/arm-linux-gnueabi/99.9.9/crtbegin.o",
|
|
"include/arm-linux-gnueabi/.keep",
|
|
"include/c++/99.9.9/vector"};
|
|
|
|
for (auto &Name : EmptyFiles)
|
|
WriteFile(Name, "\n");
|
|
|
|
std::string Filename = "test.cc";
|
|
WriteFile(Filename, "#include <vector>\n");
|
|
|
|
std::string Clang = "bin/clang";
|
|
WriteFile(Clang, "");
|
|
|
|
const char *Argv[] = {Clang.c_str(), "-target", "arm-linux-gnueabi",
|
|
"-stdlib=libstdc++", "--gcc-toolchain="};
|
|
|
|
EXPECT_EQ(CXError_Success,
|
|
clang_parseTranslationUnit2FullArgv(Index, Filename.c_str(), Argv,
|
|
sizeof(Argv) / sizeof(Argv[0]),
|
|
nullptr, 0, TUFlags, &ClangTU));
|
|
EXPECT_EQ(0U, clang_getNumDiagnostics(ClangTU));
|
|
DisplayDiagnostics();
|
|
}
|
|
|
|
class LibclangPrintingPolicyTest : public LibclangParseTest {
|
|
public:
|
|
CXPrintingPolicy Policy = nullptr;
|
|
|
|
void SetUp() override {
|
|
LibclangParseTest::SetUp();
|
|
std::string File = "file.cpp";
|
|
WriteFile(File, "int i;\n");
|
|
ClangTU = clang_parseTranslationUnit(Index, File.c_str(), nullptr, 0,
|
|
nullptr, 0, TUFlags);
|
|
CXCursor TUCursor = clang_getTranslationUnitCursor(ClangTU);
|
|
Policy = clang_getCursorPrintingPolicy(TUCursor);
|
|
}
|
|
void TearDown() override {
|
|
clang_PrintingPolicy_dispose(Policy);
|
|
LibclangParseTest::TearDown();
|
|
}
|
|
};
|
|
|
|
TEST_F(LibclangPrintingPolicyTest, SetAndGetProperties) {
|
|
for (unsigned Value = 0; Value < 2; ++Value) {
|
|
for (int I = 0; I < CXPrintingPolicy_LastProperty; ++I) {
|
|
auto Property = static_cast<enum CXPrintingPolicyProperty>(I);
|
|
|
|
clang_PrintingPolicy_setProperty(Policy, Property, Value);
|
|
EXPECT_EQ(Value, clang_PrintingPolicy_getProperty(Policy, Property));
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST_F(LibclangReparseTest, PreprocessorSkippedRanges) {
|
|
std::string Header = "header.h", Main = "main.cpp";
|
|
WriteFile(Header,
|
|
"#ifdef MANGOS\n"
|
|
"printf(\"mmm\");\n"
|
|
"#endif");
|
|
WriteFile(Main,
|
|
"#include \"header.h\"\n"
|
|
"#ifdef GUAVA\n"
|
|
"#endif\n"
|
|
"#ifdef KIWIS\n"
|
|
"printf(\"mmm!!\");\n"
|
|
"#endif");
|
|
|
|
for (int i = 0; i != 3; ++i) {
|
|
unsigned flags = TUFlags | CXTranslationUnit_PrecompiledPreamble;
|
|
if (i == 2)
|
|
flags |= CXTranslationUnit_CreatePreambleOnFirstParse;
|
|
|
|
if (i != 0)
|
|
clang_disposeTranslationUnit(ClangTU); // dispose from previous iter
|
|
|
|
// parse once
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0,
|
|
nullptr, 0, flags);
|
|
if (i != 0) {
|
|
// reparse
|
|
ASSERT_TRUE(ReparseTU(0, nullptr /* No unsaved files. */));
|
|
}
|
|
|
|
// Check all ranges are there
|
|
CXSourceRangeList *Ranges = clang_getAllSkippedRanges(ClangTU);
|
|
EXPECT_EQ(3U, Ranges->count);
|
|
|
|
CXSourceLocation cxl;
|
|
unsigned line;
|
|
cxl = clang_getRangeStart(Ranges->ranges[0]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(1U, line);
|
|
cxl = clang_getRangeEnd(Ranges->ranges[0]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(3U, line);
|
|
|
|
cxl = clang_getRangeStart(Ranges->ranges[1]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(2U, line);
|
|
cxl = clang_getRangeEnd(Ranges->ranges[1]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(3U, line);
|
|
|
|
cxl = clang_getRangeStart(Ranges->ranges[2]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(4U, line);
|
|
cxl = clang_getRangeEnd(Ranges->ranges[2]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(6U, line);
|
|
|
|
clang_disposeSourceRangeList(Ranges);
|
|
|
|
// Check obtaining ranges by each file works
|
|
CXFile cxf = clang_getFile(ClangTU, Header.c_str());
|
|
Ranges = clang_getSkippedRanges(ClangTU, cxf);
|
|
EXPECT_EQ(1U, Ranges->count);
|
|
cxl = clang_getRangeStart(Ranges->ranges[0]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(1U, line);
|
|
clang_disposeSourceRangeList(Ranges);
|
|
|
|
cxf = clang_getFile(ClangTU, Main.c_str());
|
|
Ranges = clang_getSkippedRanges(ClangTU, cxf);
|
|
EXPECT_EQ(2U, Ranges->count);
|
|
cxl = clang_getRangeStart(Ranges->ranges[0]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(2U, line);
|
|
cxl = clang_getRangeStart(Ranges->ranges[1]);
|
|
clang_getSpellingLocation(cxl, nullptr, &line, nullptr, nullptr);
|
|
EXPECT_EQ(4U, line);
|
|
clang_disposeSourceRangeList(Ranges);
|
|
}
|
|
}
|
|
|
|
class LibclangSerializationTest : public LibclangParseTest {
|
|
public:
|
|
bool SaveAndLoadTU(const std::string &Filename) {
|
|
unsigned options = clang_defaultSaveOptions(ClangTU);
|
|
if (clang_saveTranslationUnit(ClangTU, Filename.c_str(), options) !=
|
|
CXSaveError_None) {
|
|
LLVM_DEBUG(llvm::dbgs() << "Saving failed\n");
|
|
return false;
|
|
}
|
|
|
|
clang_disposeTranslationUnit(ClangTU);
|
|
|
|
ClangTU = clang_createTranslationUnit(Index, Filename.c_str());
|
|
|
|
if (!ClangTU) {
|
|
LLVM_DEBUG(llvm::dbgs() << "Loading failed\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
TEST_F(LibclangSerializationTest, TokenKindsAreCorrectAfterLoading) {
|
|
// Ensure that "class" is recognized as a keyword token after serializing
|
|
// and reloading the AST, as it is not a keyword for the default LangOptions.
|
|
std::string HeaderName = "test.h";
|
|
WriteFile(HeaderName, "enum class Something {};");
|
|
|
|
const char *Argv[] = {"-xc++-header", "-std=c++11"};
|
|
|
|
ClangTU = clang_parseTranslationUnit(Index, HeaderName.c_str(), Argv,
|
|
sizeof(Argv) / sizeof(Argv[0]), nullptr,
|
|
0, TUFlags);
|
|
|
|
auto CheckTokenKinds = [=]() {
|
|
CXSourceRange Range =
|
|
clang_getCursorExtent(clang_getTranslationUnitCursor(ClangTU));
|
|
|
|
CXToken *Tokens;
|
|
unsigned int NumTokens;
|
|
clang_tokenize(ClangTU, Range, &Tokens, &NumTokens);
|
|
|
|
ASSERT_EQ(6u, NumTokens);
|
|
EXPECT_EQ(CXToken_Keyword, clang_getTokenKind(Tokens[0]));
|
|
EXPECT_EQ(CXToken_Keyword, clang_getTokenKind(Tokens[1]));
|
|
EXPECT_EQ(CXToken_Identifier, clang_getTokenKind(Tokens[2]));
|
|
EXPECT_EQ(CXToken_Punctuation, clang_getTokenKind(Tokens[3]));
|
|
EXPECT_EQ(CXToken_Punctuation, clang_getTokenKind(Tokens[4]));
|
|
EXPECT_EQ(CXToken_Punctuation, clang_getTokenKind(Tokens[5]));
|
|
|
|
clang_disposeTokens(ClangTU, Tokens, NumTokens);
|
|
};
|
|
|
|
CheckTokenKinds();
|
|
|
|
std::string ASTName = "test.ast";
|
|
WriteFile(ASTName, "");
|
|
|
|
ASSERT_TRUE(SaveAndLoadTU(ASTName));
|
|
|
|
CheckTokenKinds();
|
|
}
|
|
|
|
TEST_F(LibclangParseTest, clang_getVarDeclInitializer) {
|
|
std::string Main = "main.cpp";
|
|
WriteFile(Main, "int foo() { return 5; }; const int a = foo();");
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
|
|
0, TUFlags);
|
|
|
|
CXCursor C = clang_getTranslationUnitCursor(ClangTU);
|
|
clang_visitChildren(
|
|
C,
|
|
[](CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) -> CXChildVisitResult {
|
|
if (clang_getCursorKind(cursor) == CXCursor_VarDecl) {
|
|
const CXCursor Initializer = clang_Cursor_getVarDeclInitializer(cursor);
|
|
EXPECT_FALSE(clang_Cursor_isNull(Initializer));
|
|
CXString Spelling = clang_getCursorSpelling(Initializer);
|
|
const char* const SpellingCSstr = clang_getCString(Spelling);
|
|
EXPECT_TRUE(SpellingCSstr);
|
|
EXPECT_EQ(std::string(SpellingCSstr), std::string("foo"));
|
|
clang_disposeString(Spelling);
|
|
return CXChildVisit_Break;
|
|
}
|
|
return CXChildVisit_Continue;
|
|
},
|
|
nullptr);
|
|
}
|
|
|
|
TEST_F(LibclangParseTest, clang_hasVarDeclGlobalStorageFalse) {
|
|
std::string Main = "main.cpp";
|
|
WriteFile(Main, "void foo() { int a; }");
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
|
|
0, TUFlags);
|
|
|
|
CXCursor C = clang_getTranslationUnitCursor(ClangTU);
|
|
clang_visitChildren(
|
|
C,
|
|
[](CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) -> CXChildVisitResult {
|
|
if (clang_getCursorKind(cursor) == CXCursor_VarDecl) {
|
|
EXPECT_FALSE(clang_Cursor_hasVarDeclGlobalStorage(cursor));
|
|
return CXChildVisit_Break;
|
|
}
|
|
return CXChildVisit_Continue;
|
|
},
|
|
nullptr);
|
|
}
|
|
|
|
TEST_F(LibclangParseTest, clang_Cursor_hasVarDeclGlobalStorageTrue) {
|
|
std::string Main = "main.cpp";
|
|
WriteFile(Main, "int a;");
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
|
|
0, TUFlags);
|
|
|
|
CXCursor C = clang_getTranslationUnitCursor(ClangTU);
|
|
clang_visitChildren(
|
|
C,
|
|
[](CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) -> CXChildVisitResult {
|
|
if (clang_getCursorKind(cursor) == CXCursor_VarDecl) {
|
|
EXPECT_TRUE(clang_Cursor_hasVarDeclGlobalStorage(cursor));
|
|
return CXChildVisit_Break;
|
|
}
|
|
return CXChildVisit_Continue;
|
|
},
|
|
nullptr);
|
|
}
|
|
|
|
TEST_F(LibclangParseTest, clang_Cursor_hasVarDeclExternalStorageFalse) {
|
|
std::string Main = "main.cpp";
|
|
WriteFile(Main, "int a;");
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
|
|
0, TUFlags);
|
|
|
|
CXCursor C = clang_getTranslationUnitCursor(ClangTU);
|
|
clang_visitChildren(
|
|
C,
|
|
[](CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) -> CXChildVisitResult {
|
|
if (clang_getCursorKind(cursor) == CXCursor_VarDecl) {
|
|
EXPECT_FALSE(clang_Cursor_hasVarDeclExternalStorage(cursor));
|
|
return CXChildVisit_Break;
|
|
}
|
|
return CXChildVisit_Continue;
|
|
},
|
|
nullptr);
|
|
}
|
|
|
|
TEST_F(LibclangParseTest, clang_Cursor_hasVarDeclExternalStorageTrue) {
|
|
std::string Main = "main.cpp";
|
|
WriteFile(Main, "extern int a;");
|
|
ClangTU = clang_parseTranslationUnit(Index, Main.c_str(), nullptr, 0, nullptr,
|
|
0, TUFlags);
|
|
|
|
CXCursor C = clang_getTranslationUnitCursor(ClangTU);
|
|
clang_visitChildren(
|
|
C,
|
|
[](CXCursor cursor, CXCursor parent,
|
|
CXClientData client_data) -> CXChildVisitResult {
|
|
if (clang_getCursorKind(cursor) == CXCursor_VarDecl) {
|
|
EXPECT_TRUE(clang_Cursor_hasVarDeclExternalStorage(cursor));
|
|
return CXChildVisit_Break;
|
|
}
|
|
return CXChildVisit_Continue;
|
|
},
|
|
nullptr);
|
|
}
|
|
class LibclangRewriteTest : public LibclangParseTest {
|
|
public:
|
|
CXRewriter Rew = nullptr;
|
|
std::string Filename;
|
|
CXFile File = nullptr;
|
|
|
|
void SetUp() override {
|
|
LibclangParseTest::SetUp();
|
|
Filename = "file.cpp";
|
|
WriteFile(Filename, "int main() { return 0; }");
|
|
ClangTU = clang_parseTranslationUnit(Index, Filename.c_str(), nullptr, 0,
|
|
nullptr, 0, TUFlags);
|
|
Rew = clang_CXRewriter_create(ClangTU);
|
|
File = clang_getFile(ClangTU, Filename.c_str());
|
|
}
|
|
void TearDown() override {
|
|
clang_CXRewriter_dispose(Rew);
|
|
LibclangParseTest::TearDown();
|
|
}
|
|
};
|
|
|
|
static std::string getFileContent(const std::string& Filename) {
|
|
std::ifstream RewrittenFile(Filename);
|
|
std::string RewrittenFileContent;
|
|
std::string Line;
|
|
while (std::getline(RewrittenFile, Line)) {
|
|
if (RewrittenFileContent.empty())
|
|
RewrittenFileContent = Line;
|
|
else {
|
|
RewrittenFileContent += "\n" + Line;
|
|
}
|
|
}
|
|
return RewrittenFileContent;
|
|
}
|
|
|
|
TEST_F(LibclangRewriteTest, RewriteReplace) {
|
|
CXSourceLocation B = clang_getLocation(ClangTU, File, 1, 5);
|
|
CXSourceLocation E = clang_getLocation(ClangTU, File, 1, 9);
|
|
CXSourceRange Rng = clang_getRange(B, E);
|
|
|
|
clang_CXRewriter_replaceText(Rew, Rng, "MAIN");
|
|
|
|
ASSERT_EQ(clang_CXRewriter_overwriteChangedFiles(Rew), 0);
|
|
EXPECT_EQ(getFileContent(Filename), "int MAIN() { return 0; }");
|
|
}
|
|
|
|
TEST_F(LibclangRewriteTest, RewriteReplaceShorter) {
|
|
CXSourceLocation B = clang_getLocation(ClangTU, File, 1, 5);
|
|
CXSourceLocation E = clang_getLocation(ClangTU, File, 1, 9);
|
|
CXSourceRange Rng = clang_getRange(B, E);
|
|
|
|
clang_CXRewriter_replaceText(Rew, Rng, "foo");
|
|
|
|
ASSERT_EQ(clang_CXRewriter_overwriteChangedFiles(Rew), 0);
|
|
EXPECT_EQ(getFileContent(Filename), "int foo() { return 0; }");
|
|
}
|
|
|
|
TEST_F(LibclangRewriteTest, RewriteReplaceLonger) {
|
|
CXSourceLocation B = clang_getLocation(ClangTU, File, 1, 5);
|
|
CXSourceLocation E = clang_getLocation(ClangTU, File, 1, 9);
|
|
CXSourceRange Rng = clang_getRange(B, E);
|
|
|
|
clang_CXRewriter_replaceText(Rew, Rng, "patatino");
|
|
|
|
ASSERT_EQ(clang_CXRewriter_overwriteChangedFiles(Rew), 0);
|
|
EXPECT_EQ(getFileContent(Filename), "int patatino() { return 0; }");
|
|
}
|
|
|
|
TEST_F(LibclangRewriteTest, RewriteInsert) {
|
|
CXSourceLocation Loc = clang_getLocation(ClangTU, File, 1, 5);
|
|
|
|
clang_CXRewriter_insertTextBefore(Rew, Loc, "ro");
|
|
|
|
ASSERT_EQ(clang_CXRewriter_overwriteChangedFiles(Rew), 0);
|
|
EXPECT_EQ(getFileContent(Filename), "int romain() { return 0; }");
|
|
}
|
|
|
|
TEST_F(LibclangRewriteTest, RewriteRemove) {
|
|
CXSourceLocation B = clang_getLocation(ClangTU, File, 1, 5);
|
|
CXSourceLocation E = clang_getLocation(ClangTU, File, 1, 9);
|
|
CXSourceRange Rng = clang_getRange(B, E);
|
|
|
|
clang_CXRewriter_removeText(Rew, Rng);
|
|
|
|
ASSERT_EQ(clang_CXRewriter_overwriteChangedFiles(Rew), 0);
|
|
EXPECT_EQ(getFileContent(Filename), "int () { return 0; }");
|
|
}
|