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authorDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:09 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-10-23 17:52:09 +0000
commit519fc96c475680de2cc49e7811dbbfadb912cbcc (patch)
tree310ca684459b7e9ae13c9a3b9abf308b3a634afe /lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
parent2298981669bf3bd63335a4be179bc0f96823a8f4 (diff)
downloadsrc-vendor/clang.tar.gz
src-vendor/clang.zip
Vendor import of stripped clang trunk r375505, the last commit beforevendor/clang/clang-trunk-r375505vendor/clang
the upstream Subversion repository was made read-only, and the LLVM project migrated to GitHub: https://llvm.org/svn/llvm-project/cfe/trunk@375505
Notes
Notes: svn path=/vendor/clang/dist/; revision=353942 svn path=/vendor/clang/clang-r375505/; revision=353943; tag=vendor/clang/clang-trunk-r375505
Diffstat (limited to 'lib/Tooling/DependencyScanning/DependencyScanningTool.cpp')
-rw-r--r--lib/Tooling/DependencyScanning/DependencyScanningTool.cpp71
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp b/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
new file mode 100644
index 000000000000..82b3ae806c65
--- /dev/null
+++ b/lib/Tooling/DependencyScanning/DependencyScanningTool.cpp
@@ -0,0 +1,71 @@
+//===- DependencyScanningTool.cpp - clang-scan-deps service ------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Tooling/DependencyScanning/DependencyScanningTool.h"
+#include "clang/Frontend/Utils.h"
+
+namespace clang{
+namespace tooling{
+namespace dependencies{
+
+DependencyScanningTool::DependencyScanningTool(DependencyScanningService &Service,
+const tooling::CompilationDatabase &Compilations) : Worker(Service), Compilations(Compilations) {}
+
+llvm::Expected<std::string> DependencyScanningTool::getDependencyFile(const std::string &Input,
+ StringRef CWD) {
+ /// Prints out all of the gathered dependencies into a string.
+ class DependencyPrinterConsumer : public DependencyConsumer {
+ public:
+ void handleFileDependency(const DependencyOutputOptions &Opts,
+ StringRef File) override {
+ if (!this->Opts)
+ this->Opts = std::make_unique<DependencyOutputOptions>(Opts);
+ Dependencies.push_back(File);
+ }
+
+ void printDependencies(std::string &S) {
+ if (!Opts)
+ return;
+
+ class DependencyPrinter : public DependencyFileGenerator {
+ public:
+ DependencyPrinter(DependencyOutputOptions &Opts,
+ ArrayRef<std::string> Dependencies)
+ : DependencyFileGenerator(Opts) {
+ for (const auto &Dep : Dependencies)
+ addDependency(Dep);
+ }
+
+ void printDependencies(std::string &S) {
+ llvm::raw_string_ostream OS(S);
+ outputDependencyFile(OS);
+ }
+ };
+
+ DependencyPrinter Generator(*Opts, Dependencies);
+ Generator.printDependencies(S);
+ }
+
+ private:
+ std::unique_ptr<DependencyOutputOptions> Opts;
+ std::vector<std::string> Dependencies;
+ };
+
+ DependencyPrinterConsumer Consumer;
+ auto Result =
+ Worker.computeDependencies(Input, CWD, Compilations, Consumer);
+ if (Result)
+ return std::move(Result);
+ std::string Output;
+ Consumer.printDependencies(Output);
+ return Output;
+}
+
+} // end namespace dependencies
+} // end namespace tooling
+} // end namespace clang