commit b57e3d47c3a9c7453092e62c3f021e646a8c8638
author Chris Lattner <sabre@nondot.org> Thu May 08 06:52:13 2008 +0000
committer Chris Lattner <sabre@nondot.org> Thu May 08 06:52:13 2008 +0000
tree 2b040a444bb0d0520583400d1e179a9be1444e91
parent 2621fd1d6d3c5eadcae246859f62738645df7540

start implementation of a macro rewriter, this is currently just stubbed out.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50845 91177308-0d34-0410-b5e6-96231b3b80d8

Driver/clang.cpp

diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 96f6dde..e3362ec 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -63,6 +63,7 @@
 
 enum ProgActions {
   RewriteObjC,                  // ObjC->C Rewriter.
+  RewriteMacros,                // Expand macros but not #includes.
   HTMLTest,                     // HTML displayer testing stuff.
   EmitLLVM,                     // Emit a .ll file.
   EmitBC,                       // Emit a .bc file.
@@ -136,7 +137,9 @@
              clEnumValN(SerializeAST, "serialize",
                         "Build ASTs and emit .ast file"),
              clEnumValN(RewriteObjC, "rewrite-objc",
-                        "Playground for the code rewriter"),                            
+                        "Rewrite ObjC into C (code rewriter example)"),
+             clEnumValN(RewriteMacros, "rewrite-macros",
+                        "Expand macros without full preprocessing"),
              clEnumValEnd));
 
 
@@ -1218,7 +1221,7 @@
     DoPrintPreprocessedInput(PP, OutputFile);
     ClearSourceMgr = true;
     break;
-    
+      
   case ParseNoop:                    // -parse-noop
     ParseFile(PP, new MinimalAction(PP.getIdentifierTable()));
     ClearSourceMgr = true;
@@ -1232,6 +1235,11 @@
   case ParseSyntaxOnly:              // -fsyntax-only
     Consumer = new ASTConsumer();
     break;
+      
+  case RewriteMacros:
+    RewriteMacrosInInput(PP, OutputFile);
+    ClearSourceMgr = true;
+    break;
   }
   
   if (Consumer) {