Added support to clang driver to view ASTs using GraphViz. This

functionality is still preliminary.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42152 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 1 deletions

diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index aca94f711d..48e1c42dac 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -52,8 +52,9 @@ enum ProgActions {
   EmitLLVM,                     // Emit a .ll file.
   ParseASTPrint,                // Parse ASTs and print them.
   ParseASTDump,                 // Parse ASTs and dump them.
+  ParseASTView,                 // Parse ASTs and view them in Graphviz.
   ParseASTCheck,                // Parse ASTs and check diagnostics.
-  BuildAST,                     // Parse ASTs.
+  BuildAST,                     // Parse ASTs.  
   ParseCFGDump,                 // Parse ASTS. Build CFGs. Print CFGs.
   ParseCFGView,                 // Parse ASTS. Build CFGs. View CFGs.
   AnalysisLiveVariables,        // Print results of live-variable analysis.
@@ -89,6 +90,8 @@ ProgAction(llvm::cl::desc("Choose output type:"), llvm::cl::ZeroOrMore,
                         "Run parser, build ASTs, then print ASTs"),
              clEnumValN(ParseASTDump, "parse-ast-dump",
                         "Run parser, build ASTs, then dump them"),
+             clEnumValN(ParseASTView, "parse-ast-view",
+                        "Run parser, build ASTs, and view them with GraphViz."),
              clEnumValN(ParseASTCheck, "parse-ast-check",
                         "Run parser, build ASTs, then check diagnostics"),
              clEnumValN(ParseCFGDump, "dump-cfg",
@@ -857,6 +860,11 @@ static void ProcessInputFile(Preprocessor &PP, unsigned MainFileID,
     ParseAST(PP, MainFileID, *C.get(), Stats);
     break;
   }
+  case ParseASTView: {
+    std::auto_ptr<ASTConsumer> C(CreateASTViewer());
+    ParseAST(PP, MainFileID, *C.get(), Stats);
+    break;
+  }
   case ParseCFGDump:
   case ParseCFGView: {
     std::auto_ptr<ASTConsumer> C(CreateCFGDumper(ProgAction == ParseCFGView));