Add preload option to clang-query
Summary: This allows loading a file with pre-defined let commands for example.
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D51261
llvm-svn: 341145
diff --git a/clang-tools-extra/clang-query/tool/ClangQuery.cpp b/clang-tools-extra/clang-query/tool/ClangQuery.cpp
index d0a4a80..26a2ccf 100644
--- a/clang-tools-extra/clang-query/tool/ClangQuery.cpp
+++ b/clang-tools-extra/clang-query/tool/ClangQuery.cpp
@@ -58,6 +58,11 @@
cl::value_desc("file"),
cl::cat(ClangQueryCategory));
+static cl::opt<std::string> PreloadFile(
+ "preload",
+ cl::desc("Preload commands from file and start interactive mode"),
+ cl::value_desc("file"), cl::cat(ClangQueryCategory));
+
bool runCommandsInFile(const char *ExeName, std::string const &FileName,
QuerySession &QS) {
std::ifstream Input(FileName.c_str());
@@ -86,6 +91,12 @@
return 1;
}
+ if ((!Commands.empty() || !CommandFiles.empty()) && !PreloadFile.empty()) {
+ llvm::errs() << argv[0]
+ << ": cannot specify both -c or -f with --preload\n";
+ return 1;
+ }
+
ClangTool Tool(OptionsParser.getCompilations(),
OptionsParser.getSourcePathList());
std::vector<std::unique_ptr<ASTUnit>> ASTs;
@@ -106,6 +117,10 @@
return 1;
}
} else {
+ if (!PreloadFile.empty()) {
+ if (runCommandsInFile(argv[0], PreloadFile, QS))
+ return 1;
+ }
LineEditor LE("clang-query");
LE.setListCompleter([&QS](StringRef Line, size_t Pos) {
return QueryParser::complete(Line, Pos, QS);