[PATCH] D96017: [clang-check] Add tokens-dump in clang-check.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: kbobyrev.
hokein requested review of this revision.
Herald added a project: clang.

It is useful for syntax-tree developement.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96017

Files:
  clang/tools/clang-check/ClangCheck.cpp


Index: clang/tools/clang-check/ClangCheck.cpp
===================================================================
--- clang/tools/clang-check/ClangCheck.cpp
+++ clang/tools/clang-check/ClangCheck.cpp
@@ -88,6 +88,9 @@
 static cl::opt<bool> SyntaxTreeDump("syntax-tree-dump",
                                     cl::desc("dump the syntax tree"),
                                     cl::cat(ClangCheckCategory));
+static cl::opt<bool> TokensDump("tokens-dump",
+                                cl::desc("dump the preprocessed tokens"),
+                                cl::cat(ClangCheckCategory));
 
 namespace {
 
@@ -148,6 +151,8 @@
 
       void HandleTranslationUnit(clang::ASTContext &AST) override {
         clang::syntax::TokenBuffer TB = std::move(Collector).consume();
+        if (TokensDump)
+          llvm::outs() << TB.dumpForTests();
         clang::syntax::Arena A(AST.getSourceManager(), AST.getLangOpts(), TB);
         llvm::outs() << clang::syntax::buildSyntaxTree(A, AST)->dump(
             AST.getSourceManager());
@@ -217,7 +222,7 @@
     FrontendFactory = newFrontendActionFactory<clang::ento::AnalysisAction>();
   else if (Fixit)
     FrontendFactory = newFrontendActionFactory<ClangCheckFixItAction>();
-  else if (SyntaxTreeDump)
+  else if (SyntaxTreeDump || TokensDump)
     FrontendFactory = newFrontendActionFactory<DumpSyntaxTree>();
   else
     FrontendFactory = newFrontendActionFactory(&CheckFactory);



Index: clang/tools/clang-check/ClangCheck.cpp
===================================================================
--- clang/tools/clang-check/ClangCheck.cpp
+++ clang/tools/clang-check/ClangCheck.cpp
@@ -88,6 +88,9 @@
 static cl::opt<bool> SyntaxTreeDump("syntax-tree-dump",
                                     cl::desc("dump the syntax tree"),
                                     cl::cat(ClangCheckCategory));
+static cl::opt<bool> TokensDump("tokens-dump",
+                                cl::desc("dump the preprocessed tokens"),
+                                cl::cat(ClangCheckCategory));
 
 namespace {
 
@@ -148,6 +151,8 @@
 
       void HandleTranslationUnit(clang::ASTContext &AST) override {
         clang::syntax::TokenBuffer TB = std::move(Collector).consume();
+        if (TokensDump)
+          llvm::outs() << TB.dumpForTests();
         clang::syntax::Arena A(AST.getSourceManager(), AST.getLangOpts(), TB);
         llvm::outs() << clang::syntax::buildSyntaxTree(A, AST)->dump(
             AST.getSourceManager());
@@ -217,7 +222,7 @@
     FrontendFactory = newFrontendActionFactory<clang::ento::AnalysisAction>();
   else if (Fixit)
     FrontendFactory = newFrontendActionFactory<ClangCheckFixItAction>();
-  else if (SyntaxTreeDump)
+  else if (SyntaxTreeDump || TokensDump)
     FrontendFactory = newFrontendActionFactory<DumpSyntaxTree>();
   else
     FrontendFactory = newFrontendActionFactory(&CheckFactory);

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