1 files changed, 69 insertions, 0 deletions
diff --git a/clang/lib/Sema/ParseAST.cpp b/clang/lib/Sema/ParseAST.cpp
new file mode 100644
index 00000000000..364b0729100
--- /dev/null
+++ b/clang/lib/Sema/ParseAST.cpp
@@ -0,0 +1,69 @@
+//===--- ParseAST.cpp - Provide the clang::ParseAST method ----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the clang::ParseAST method.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Sema/ParseAST.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/ASTConsumer.h"
+#include "Sema.h"
+#include "clang/Parse/Action.h"
+#include "clang/Parse/Parser.h"
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// Public interface to the file
+//===----------------------------------------------------------------------===//
+
+/// ParseAST - Parse the entire file specified, notifying the ASTConsumer as
+/// the file is parsed.  This takes ownership of the ASTConsumer and
+/// ultimately deletes it.
+void clang::ParseAST(Preprocessor &PP, ASTConsumer *Consumer, bool PrintStats) {
+  // Collect global stats on Decls/Stmts (until we have a module streamer).
+  if (PrintStats) {
+    Decl::CollectingStats(true);
+    Stmt::CollectingStats(true);
+  }
+  
+  ASTContext Context(PP.getSourceManager(), PP.getTargetInfo(),
+                     PP.getIdentifierTable(), PP.getSelectorTable());
+  
+  Parser P(PP, *new Sema(PP, Context, *Consumer));
+  PP.EnterMainSourceFile();
+    
+  // Initialize the parser.
+  P.Initialize();
+  
+  Consumer->Initialize(Context);
+  
+  Parser::DeclTy *ADecl;
+  while (!P.ParseTopLevelDecl(ADecl)) {  // Not end of file.
+    // If we got a null return and something *was* parsed, ignore it.  This
+    // is due to a top-level semicolon, an action override, or a parse error
+    // skipping something.
+    if (ADecl)
+      Consumer->HandleTopLevelDecl(static_cast<Decl*>(ADecl));
+  };
+
+  if (PrintStats) {
+    fprintf(stderr, "\nSTATISTICS:\n");
+    P.getActions().PrintStats();
+    Context.PrintStats();
+    Decl::PrintStats();
+    Stmt::PrintStats();
+    Consumer->PrintStats();
+    
+    Decl::CollectingStats(false);
+    Stmt::CollectingStats(false);
+  }
+  
+  delete Consumer;
+}