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82 lines
2.8 KiB
C++
82 lines
2.8 KiB
C++
#include "compilation_database_loader.h"
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#include <iostream>
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#include <clang-c/CXCompilationDatabase.h>
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#include "libclangmm/Utility.h"
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#include "utils.h"
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// See http://stackoverflow.com/a/2072890
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bool EndsWith(const std::string& value, const std::string& ending) {
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if (ending.size() > value.size())
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return false;
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return std::equal(ending.rbegin(), ending.rend(), value.rbegin());
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}
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bool StartsWith(const std::string& value, const std::string& start) {
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return std::equal(start.begin(), start.end(), value.begin());
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}
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std::vector<CompilationEntry> LoadFromDirectoryListing(const std::string& project_directory) {
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std::vector<CompilationEntry> result;
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std::vector<std::string> args;
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for (const std::string& line : ReadLines(project_directory + "/clang_args")) {
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if (line.empty() || StartsWith(line, "#"))
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continue;
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std::cerr << "Adding argument " << line << std::endl;
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args.push_back(line);
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}
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std::vector<std::string> files = GetFilesInFolder(project_directory, true /*recursive*/, false /*add_folder_to_path*/);
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for (const std::string& file : files) {
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if (EndsWith(file, ".cc") || EndsWith(file, ".cpp") ||
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EndsWith(file, ".c") || EndsWith(file, ".h") ||
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EndsWith(file, ".hpp")) {
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CompilationEntry entry;
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entry.directory = ".";
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entry.filename = file;
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entry.args = args;
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result.push_back(entry);
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}
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}
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return result;
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}
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std::vector<CompilationEntry> LoadCompilationEntriesFromDirectory(const std::string& project_directory) {
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CXCompilationDatabase_Error cx_db_load_error;
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CXCompilationDatabase cx_db = clang_CompilationDatabase_fromDirectory(project_directory.c_str(), &cx_db_load_error);
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if (cx_db_load_error == CXCompilationDatabase_CanNotLoadDatabase) {
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std::cerr << "Unable to load compile_commands.json located at \"" << project_directory << "\"; using directory listing instead." << std::endl;
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return LoadFromDirectoryListing(project_directory);
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}
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CXCompileCommands cx_commands = clang_CompilationDatabase_getAllCompileCommands(cx_db);
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unsigned int num_commands = clang_CompileCommands_getSize(cx_commands);
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std::vector<CompilationEntry> result;
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for (unsigned int i = 0; i < num_commands; i++) {
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CXCompileCommand cx_command = clang_CompileCommands_getCommand(cx_commands, i);
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CompilationEntry entry;
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entry.directory = clang::ToString(clang_CompileCommand_getDirectory(cx_command));
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entry.filename = clang::ToString(clang_CompileCommand_getFilename(cx_command));
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unsigned int num_args = clang_CompileCommand_getNumArgs(cx_command);
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entry.args.reserve(num_args);
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for (unsigned int j = 0; j < num_args; ++j) {
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entry.args.push_back(clang::ToString(clang_CompileCommand_getArg(cx_command, j)));
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}
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result.push_back(entry);
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}
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clang_CompileCommands_dispose(cx_commands);
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clang_CompilationDatabase_dispose(cx_db);
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return result;
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} |