Merge revision 3813 to 3930 from bleeding_edge to partial snapshots branch.

src/full-codegen.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 14 matching lines @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "v8.h"
 
 #include "codegen-inl.h"
 #include "compiler.h"
 #include "full-codegen.h"
 #include "stub-cache.h"
 #include "debug.h"
+#include "liveedit.h"
 
 namespace v8 {
 namespace internal {
 
 #define BAILOUT(reason)                         \
   do {                                          \
     if (FLAG_trace_bailout) {                   \
       PrintF("%s\n", reason);                   \
     }                                           \
     has_supported_syntax_ = false;              \
@@ skipping 396 matching lines @@
 
 Handle<Code> FullCodeGenerator::MakeCode(CompilationInfo* info) {
   Handle<Script> script = info->script();
   if (!script->IsUndefined() && !script->source()->IsUndefined()) {
     int len = String::cast(script->source())->length();
     Counters::total_full_codegen_source_size.Increment(len);
   }
   CodeGenerator::MakeCodePrologue(info);
   const int kInitialBufferSize = 4 * KB;
   MacroAssembler masm(NULL, kInitialBufferSize);
+  LiveEditFunctionTracker live_edit_tracker(info->function());
+
   FullCodeGenerator cgen(&masm);
   cgen.Generate(info, PRIMARY);
   if (cgen.HasStackOverflow()) {
     ASSERT(!Top::has_pending_exception());
     return Handle<Code>::null();
   }
   Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, NOT_IN_LOOP);
-  return CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
+  Handle<Code> result = CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
+  live_edit_tracker.RecordFunctionCode(result);
+  return result;
 }
 
 
 int FullCodeGenerator::SlotOffset(Slot* slot) {
   ASSERT(slot != NULL);
   // Offset is negative because higher indexes are at lower addresses.
   int offset = -slot->index() * kPointerSize;
   // Adjust by a (parameter or local) base offset.
   switch (slot->type()) {
     case Slot::PARAMETER:
@@ skipping 510 matching lines @@
   // Execute the finally block on the way out.
   __ Call(&finally_entry);
 }
 
 
 void FullCodeGenerator::VisitDebuggerStatement(DebuggerStatement* stmt) {
 #ifdef ENABLE_DEBUGGER_SUPPORT
   Comment cmnt(masm_, "[ DebuggerStatement");
   SetStatementPosition(stmt);
 
-  DebuggerStatementStub ces;
-  __ CallStub(&ces);
+  __ DebugBreak();
   // Ignore the return value.
 #endif
 }
 
 
 void FullCodeGenerator::VisitFunctionBoilerplateLiteral(
     FunctionBoilerplateLiteral* expr) {
   UNREACHABLE();
 }
 
@@ skipping 24 matching lines @@
   UNREACHABLE();
 }
 
 
 void FullCodeGenerator::VisitLiteral(Literal* expr) {
   Comment cmnt(masm_, "[ Literal");
   Apply(context_, expr);
 }
 
 
-void FullCodeGenerator::VisitAssignment(Assignment* expr) {
-  Comment cmnt(masm_, "[ Assignment");
-  ASSERT(expr->op() != Token::INIT_CONST);
-  // Left-hand side can only be a property, a global or a (parameter or local)
-  // slot. Variables with rewrite to .arguments are treated as KEYED_PROPERTY.
-  enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY };
-  LhsKind assign_type = VARIABLE;
-  Property* prop = expr->target()->AsProperty();
-  if (prop != NULL) {
-    assign_type =
-        (prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY;
-  }
-
-  // Evaluate LHS expression.
-  switch (assign_type) {
-    case VARIABLE:
-      // Nothing to do here.
-      break;
-    case NAMED_PROPERTY:
-      VisitForValue(prop->obj(), kStack);
-      break;
-    case KEYED_PROPERTY:
-      VisitForValue(prop->obj(), kStack);
-      VisitForValue(prop->key(), kStack);
-      break;
-  }
-
-  // If we have a compound assignment: Get value of LHS expression and
-  // store in on top of the stack.
-  if (expr->is_compound()) {
-    Location saved_location = location_;
-    location_ = kStack;
-    switch (assign_type) {
-      case VARIABLE:
-        EmitVariableLoad(expr->target()->AsVariableProxy()->var(),
-                         Expression::kValue);
-        break;
-      case NAMED_PROPERTY:
-        EmitNamedPropertyLoad(prop);
-        __ push(result_register());
-        break;
-      case KEYED_PROPERTY:
-        EmitKeyedPropertyLoad(prop);
-        __ push(result_register());
-        break;
-    }
-    location_ = saved_location;
-  }
-
-  // Evaluate RHS expression.
-  Expression* rhs = expr->value();
-  VisitForValue(rhs, kAccumulator);
-
-  // If we have a compound assignment: Apply operator.
-  if (expr->is_compound()) {
-    Location saved_location = location_;
-    location_ = kAccumulator;
-    EmitBinaryOp(expr->binary_op(), Expression::kValue);
-    location_ = saved_location;
-  }
-
-  // Record source position before possible IC call.
-  SetSourcePosition(expr->position());
-
-  // Store the value.
-  switch (assign_type) {
-    case VARIABLE:
-      EmitVariableAssignment(expr->target()->AsVariableProxy()->var(),
-                             context_);
-      break;
-    case NAMED_PROPERTY:
-      EmitNamedPropertyAssignment(expr);
-      break;
-    case KEYED_PROPERTY:
-      EmitKeyedPropertyAssignment(expr);
-      break;
-  }
-}
-
-
 void FullCodeGenerator::VisitCatchExtensionObject(CatchExtensionObject* expr) {
   // Call runtime routine to allocate the catch extension object and
   // assign the exception value to the catch variable.
   Comment cmnt(masm_, "[ CatchExtensionObject");
   VisitForValue(expr->key(), kStack);
   VisitForValue(expr->value(), kStack);
   // Create catch extension object.
   __ CallRuntime(Runtime::kCreateCatchExtensionObject, 2);
   Apply(context_, result_register());
 }
@@ skipping 20 matching lines @@
   // The macros used here must preserve the result register.
   __ Drop(stack_depth);
   __ PopTryHandler();
   return 0;
 }
 
 #undef __
 
 
 } }  // namespace v8::internal