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Use clangTooling

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This commit is contained in:
Fangrui Song 2018-07-13 09:36:02 -07:00
parent 3737d4c60f
commit 39d4bbfe67
3 changed files with 19 additions and 40 deletions
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1
cmake/FindClang.cmake
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@ -69,6 +69,7 @@ set(_Clang_REQUIRED_VARS Clang_LIBRARY Clang_INCLUDE_DIR Clang_EXECUTABLE
LLVM_INCLUDE_DIR LLVM_BUILD_INCLUDE_DIR)
_Clang_find_library(Clang_LIBRARY clang)
_Clang_find_add_library(clangTooling)
_Clang_find_add_library(clangIndex)
_Clang_find_add_library(clangFrontend)
_Clang_find_add_library(clangParse)

2
src/indexer.cc
View File

@ -813,7 +813,7 @@ public:
}
[[fallthrough]];
case Decl::Record: {
auto *RD = cast<RecordDecl>(D);
auto *RD = cast<RecordDecl>(OrigD);
// spec has no Union, use Class
type->def.kind = RD->getTagKind() == TTK_Struct ? lsSymbolKind::Struct
: lsSymbolKind::Class;

56
src/project.cc
View File

@ -16,6 +16,7 @@ using namespace ccls;
#include <clang/Driver/Driver.h>
#include <clang/Driver/Options.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Tooling/CompilationDatabase.h>
#include <llvm/ADT/ArrayRef.h>
#include <llvm/Option/ArgList.h>
#include <llvm/Option/OptTable.h>
@ -25,7 +26,6 @@ using namespace clang;
using namespace llvm;
using namespace llvm::opt;
#include <clang-c/CXCompilationDatabase.h>
#include <rapidjson/writer.h>
#if defined(__unix__) || defined(__APPLE__)
@ -142,14 +142,14 @@ Project::Entry GetCompilationEntryFromCompileCommandEntry(
return result;
const driver::ArgStringList& CCArgs = Jobs.begin()->getArguments();
auto Invocation = std::make_unique<CompilerInvocation>();
CompilerInvocation::CreateFromArgs(*Invocation, CCArgs.data(),
auto CI = std::make_unique<CompilerInvocation>();
CompilerInvocation::CreateFromArgs(*CI, CCArgs.data(),
CCArgs.data() + CCArgs.size(), Diags);
Invocation->getFrontendOpts().DisableFree = false;
Invocation->getCodeGenOpts().DisableFree = false;
CI->getFrontendOpts().DisableFree = false;
CI->getCodeGenOpts().DisableFree = false;
HeaderSearchOptions& HeaderOpts = Invocation->getHeaderSearchOpts();
for (auto& E : HeaderOpts.UserEntries) {
HeaderSearchOptions &HeaderOpts = CI->getHeaderSearchOpts();
for (auto &E : HeaderOpts.UserEntries) {
std::string path = entry.ResolveIfRelative(E.Path);
switch (E.Group) {
default:
@ -178,7 +178,7 @@ Project::Entry GetCompilationEntryFromCompileCommandEntry(
// if (HeaderOpts.ResourceDir.empty() && HeaderOpts.UseBuiltinIncludes)
args.push_back("-resource-dir=" + g_config->clang.resourceDir);
// if (Invocation->getFileSystemOpts().WorkingDir.empty())
// if (CI->getFileSystemOpts().WorkingDir.empty())
args.push_back("-working-directory=" + entry.directory);
// There could be a clang version mismatch between what the project uses and
@ -300,9 +300,9 @@ std::vector<Project::Entry> LoadCompilationEntriesFromDirectory(
#endif
}
CXCompilationDatabase_Error cx_db_load_error;
CXCompilationDatabase cx_db = clang_CompilationDatabase_fromDirectory(
comp_db_dir.c_str(), &cx_db_load_error);
std::string err_msg;
std::unique_ptr<tooling::CompilationDatabase> CDB =
tooling::CompilationDatabase::loadFromDirectory(comp_db_dir, err_msg);
if (!g_config->compilationDatabaseCommand.empty()) {
#ifdef _WIN32
// TODO
@ -311,44 +311,22 @@ std::vector<Project::Entry> LoadCompilationEntriesFromDirectory(
rmdir(comp_db_dir.c_str());
#endif
}
if (cx_db_load_error == CXCompilationDatabase_CanNotLoadDatabase) {
LOG_S(WARNING) << "unable to load " << Path.c_str();
if (!CDB) {
LOG_S(WARNING) << "failed to load " << Path.c_str() << " " << err_msg;
return {};
}
LOG_S(INFO) << "loaded " << Path.c_str();
CXCompileCommands cx_commands =
clang_CompilationDatabase_getAllCompileCommands(cx_db);
unsigned int num_commands = clang_CompileCommands_getSize(cx_commands);
std::vector<Project::Entry> result;
for (unsigned int i = 0; i < num_commands; i++) {
CXCompileCommand cx_command =
clang_CompileCommands_getCommand(cx_commands, i);
std::string directory =
ToString(clang_CompileCommand_getDirectory(cx_command));
std::string relative_filename =
ToString(clang_CompileCommand_getFilename(cx_command));
unsigned num_args = clang_CompileCommand_getNumArgs(cx_command);
for (tooling::CompileCommand &Cmd : CDB->getAllCompileCommands()) {
CompileCommandsEntry entry;
entry.args.reserve(num_args);
for (unsigned j = 0; j < num_args; ++j) {
entry.args.push_back(
ToString(clang_CompileCommand_getArg(cx_command, j)));
}
entry.directory = directory;
entry.file = entry.ResolveIfRelative(relative_filename);
entry.directory = std::move(Cmd.Directory);
entry.file = entry.ResolveIfRelative(Cmd.Filename);
entry.args = std::move(Cmd.CommandLine);
result.push_back(
GetCompilationEntryFromCompileCommandEntry(project, entry));
}
clang_CompileCommands_dispose(cx_commands);
clang_CompilationDatabase_dispose(cx_db);
return result;
}