Experimental: add a function to the API for recording assembler...

src/codegen.cc

Index: src/codegen.cc
===================================================================
--- src/codegen.cc	(revision 1142)
+++ src/codegen.cc	(working copy)
@@ -494,8 +494,19 @@
 }
 
 
-void CodeGenerator::CodeForStatement(Node* node) {
+void CodeGenerator::CodeForFunctionPosition(FunctionLiteral* fun) {
   if (FLAG_debug_info) {
+    int pos = fun->start_position();
+    if (pos != RelocInfo::kNoPosition) {
+      masm()->RecordStatementPosition(pos);
+      masm()->RecordPosition(pos);
+    }
+  }
+}
+
+
+void CodeGenerator::CodeForStatementPosition(Node* node) {
+  if (FLAG_debug_info) {
     int pos = node->statement_pos();
     if (pos != RelocInfo::kNoPosition) {
       masm()->RecordStatementPosition(pos);