Rename the fast-codegen* files to full-codegen*.

src/fast-codegen.cc

Index: src/fast-codegen.cc
===================================================================
--- src/fast-codegen.cc	(revision 3660)
+++ src/fast-codegen.cc	(working copy)
@@ -1,1142 +0,0 @@
-// 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (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 "fast-codegen.h"
-#include "stub-cache.h"
-#include "debug.h"
-
-namespace v8 {
-namespace internal {
-
-#define BAILOUT(reason)                         \
-  do {                                          \
-    if (FLAG_trace_bailout) {                   \
-      PrintF("%s\n", reason);                   \
-    }                                           \
-    has_supported_syntax_ = false;              \
-    return;                                     \
-  } while (false)
-
-
-#define CHECK_BAILOUT                           \
-  do {                                          \
-    if (!has_supported_syntax_) return;         \
-  } while (false)
-
-
-void FullCodeGenSyntaxChecker::Check(FunctionLiteral* fun) {
-  Scope* scope = fun->scope();
-
-  if (scope->num_heap_slots() > 0) {
-    // We support functions with a local context if they do not have
-    // parameters that need to be copied into the context.
-    for (int i = 0, len = scope->num_parameters(); i < len; i++) {
-      Slot* slot = scope->parameter(i)->slot();
-      if (slot != NULL && slot->type() == Slot::CONTEXT) {
-        BAILOUT("Function has context-allocated parameters.");
-      }
-    }
-  }
-
-  VisitDeclarations(scope->declarations());
-  CHECK_BAILOUT;
-
-  VisitStatements(fun->body());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitDeclarations(
-    ZoneList<Declaration*>* decls) {
-  for (int i = 0; i < decls->length(); i++) {
-    Visit(decls->at(i));
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitStatements(ZoneList<Statement*>* stmts) {
-  for (int i = 0, len = stmts->length(); i < len; i++) {
-    Visit(stmts->at(i));
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitDeclaration(Declaration* decl) {
-  Property* prop = decl->proxy()->AsProperty();
-  if (prop != NULL) {
-    Visit(prop->obj());
-    Visit(prop->key());
-  }
-
-  if (decl->fun() != NULL) {
-    Visit(decl->fun());
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitBlock(Block* stmt) {
-  VisitStatements(stmt->statements());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitExpressionStatement(
-    ExpressionStatement* stmt) {
-  Visit(stmt->expression());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitEmptyStatement(EmptyStatement* stmt) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitIfStatement(IfStatement* stmt) {
-  Visit(stmt->condition());
-  CHECK_BAILOUT;
-  Visit(stmt->then_statement());
-  CHECK_BAILOUT;
-  Visit(stmt->else_statement());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitContinueStatement(ContinueStatement* stmt) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitBreakStatement(BreakStatement* stmt) {}
-
-
-void FullCodeGenSyntaxChecker::VisitReturnStatement(ReturnStatement* stmt) {
-  Visit(stmt->expression());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitWithEnterStatement(
-    WithEnterStatement* stmt) {
-  Visit(stmt->expression());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitWithExitStatement(WithExitStatement* stmt) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitSwitchStatement(SwitchStatement* stmt) {
-  BAILOUT("SwitchStatement");
-}
-
-
-void FullCodeGenSyntaxChecker::VisitDoWhileStatement(DoWhileStatement* stmt) {
-  Visit(stmt->cond());
-  CHECK_BAILOUT;
-  Visit(stmt->body());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitWhileStatement(WhileStatement* stmt) {
-  Visit(stmt->cond());
-  CHECK_BAILOUT;
-  Visit(stmt->body());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitForStatement(ForStatement* stmt) {
-  BAILOUT("ForStatement");
-}
-
-
-void FullCodeGenSyntaxChecker::VisitForInStatement(ForInStatement* stmt) {
-  BAILOUT("ForInStatement");
-}
-
-
-void FullCodeGenSyntaxChecker::VisitTryCatchStatement(TryCatchStatement* stmt) {
-  Visit(stmt->try_block());
-  CHECK_BAILOUT;
-  Visit(stmt->catch_block());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitTryFinallyStatement(
-    TryFinallyStatement* stmt) {
-  Visit(stmt->try_block());
-  CHECK_BAILOUT;
-  Visit(stmt->finally_block());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitDebuggerStatement(
-    DebuggerStatement* stmt) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitFunctionLiteral(FunctionLiteral* expr) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitFunctionBoilerplateLiteral(
-    FunctionBoilerplateLiteral* expr) {
-  BAILOUT("FunctionBoilerplateLiteral");
-}
-
-
-void FullCodeGenSyntaxChecker::VisitConditional(Conditional* expr) {
-  Visit(expr->condition());
-  CHECK_BAILOUT;
-  Visit(expr->then_expression());
-  CHECK_BAILOUT;
-  Visit(expr->else_expression());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitSlot(Slot* expr) {
-  UNREACHABLE();
-}
-
-
-void FullCodeGenSyntaxChecker::VisitVariableProxy(VariableProxy* expr) {
-  Variable* var = expr->var();
-  if (!var->is_global()) {
-    Slot* slot = var->slot();
-    if (slot != NULL) {
-      Slot::Type type = slot->type();
-      // When LOOKUP slots are enabled, some currently dead code
-      // implementing unary typeof will become live.
-      if (type == Slot::LOOKUP) {
-        BAILOUT("Lookup slot");
-      }
-    } else {
-      // If not global or a slot, it is a parameter rewritten to an explicit
-      // property reference on the (shadow) arguments object.
-#ifdef DEBUG
-      Property* property = var->AsProperty();
-      ASSERT_NOT_NULL(property);
-      Variable* object = property->obj()->AsVariableProxy()->AsVariable();
-      ASSERT_NOT_NULL(object);
-      ASSERT_NOT_NULL(object->slot());
-      ASSERT_NOT_NULL(property->key()->AsLiteral());
-      ASSERT(property->key()->AsLiteral()->handle()->IsSmi());
-#endif
-    }
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitLiteral(Literal* expr) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitRegExpLiteral(RegExpLiteral* expr) {
-  // Supported.
-}
-
-
-void FullCodeGenSyntaxChecker::VisitObjectLiteral(ObjectLiteral* expr) {
-  ZoneList<ObjectLiteral::Property*>* properties = expr->properties();
-
-  for (int i = 0, len = properties->length(); i < len; i++) {
-    ObjectLiteral::Property* property = properties->at(i);
-    if (property->IsCompileTimeValue()) continue;
-    Visit(property->key());
-    CHECK_BAILOUT;
-    Visit(property->value());
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitArrayLiteral(ArrayLiteral* expr) {
-  ZoneList<Expression*>* subexprs = expr->values();
-  for (int i = 0, len = subexprs->length(); i < len; i++) {
-    Expression* subexpr = subexprs->at(i);
-    if (subexpr->AsLiteral() != NULL) continue;
-    if (CompileTimeValue::IsCompileTimeValue(subexpr)) continue;
-    Visit(subexpr);
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCatchExtensionObject(
-    CatchExtensionObject* expr) {
-  Visit(expr->key());
-  CHECK_BAILOUT;
-  Visit(expr->value());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitAssignment(Assignment* expr) {
-  // We support plain non-compound assignments to properties, parameters and
-  // non-context (stack-allocated) locals, and global variables.
-  Token::Value op = expr->op();
-  if (op == Token::INIT_CONST) BAILOUT("initialize constant");
-
-  Variable* var = expr->target()->AsVariableProxy()->AsVariable();
-  Property* prop = expr->target()->AsProperty();
-  ASSERT(var == NULL || prop == NULL);
-  if (var != NULL) {
-    if (var->mode() == Variable::CONST) {
-      BAILOUT("Assignment to const");
-    }
-    // All global variables are supported.
-    if (!var->is_global()) {
-      ASSERT(var->slot() != NULL);
-      Slot::Type type = var->slot()->type();
-      if (type == Slot::LOOKUP) {
-        BAILOUT("Lookup slot");
-      }
-    }
-  } else if (prop != NULL) {
-    Visit(prop->obj());
-    CHECK_BAILOUT;
-    Visit(prop->key());
-    CHECK_BAILOUT;
-  } else {
-    // This is a throw reference error.
-    BAILOUT("non-variable/non-property assignment");
-  }
-
-  Visit(expr->value());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitThrow(Throw* expr) {
-  Visit(expr->exception());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitProperty(Property* expr) {
-  Visit(expr->obj());
-  CHECK_BAILOUT;
-  Visit(expr->key());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCall(Call* expr) {
-  Expression* fun = expr->expression();
-  ZoneList<Expression*>* args = expr->arguments();
-  Variable* var = fun->AsVariableProxy()->AsVariable();
-
-  // Check for supported calls
-  if (var != NULL && var->is_possibly_eval()) {
-    BAILOUT("call to the identifier 'eval'");
-  } else if (var != NULL && !var->is_this() && var->is_global()) {
-    // Calls to global variables are supported.
-  } else if (var != NULL && var->slot() != NULL &&
-             var->slot()->type() == Slot::LOOKUP) {
-    BAILOUT("call to a lookup slot");
-  } else if (fun->AsProperty() != NULL) {
-    Property* prop = fun->AsProperty();
-    Visit(prop->obj());
-    CHECK_BAILOUT;
-    Visit(prop->key());
-    CHECK_BAILOUT;
-  } else {
-    // Otherwise the call is supported if the function expression is.
-    Visit(fun);
-  }
-  // Check all arguments to the call.
-  for (int i = 0; i < args->length(); i++) {
-    Visit(args->at(i));
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCallNew(CallNew* expr) {
-  Visit(expr->expression());
-  CHECK_BAILOUT;
-  ZoneList<Expression*>* args = expr->arguments();
-  // Check all arguments to the call
-  for (int i = 0; i < args->length(); i++) {
-    Visit(args->at(i));
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCallRuntime(CallRuntime* expr) {
-  // Check for inline runtime call
-  if (expr->name()->Get(0) == '_' &&
-      CodeGenerator::FindInlineRuntimeLUT(expr->name()) != NULL) {
-    BAILOUT("inlined runtime call");
-  }
-  // Check all arguments to the call.  (Relies on TEMP meaning STACK.)
-  for (int i = 0; i < expr->arguments()->length(); i++) {
-    Visit(expr->arguments()->at(i));
-    CHECK_BAILOUT;
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitUnaryOperation(UnaryOperation* expr) {
-  switch (expr->op()) {
-    case Token::VOID:
-    case Token::NOT:
-    case Token::TYPEOF:
-      Visit(expr->expression());
-      break;
-    case Token::BIT_NOT:
-      BAILOUT("UnaryOperation: BIT_NOT");
-    case Token::DELETE:
-      BAILOUT("UnaryOperation: DELETE");
-    case Token::ADD:
-      BAILOUT("UnaryOperation: ADD");
-    case Token::SUB:
-      BAILOUT("UnaryOperation: SUB");
-    default:
-      UNREACHABLE();
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCountOperation(CountOperation* expr) {
-  Variable* var = expr->expression()->AsVariableProxy()->AsVariable();
-  Property* prop = expr->expression()->AsProperty();
-  ASSERT(var == NULL || prop == NULL);
-  if (var != NULL) {
-    // All global variables are supported.
-    if (!var->is_global()) {
-      ASSERT(var->slot() != NULL);
-      Slot::Type type = var->slot()->type();
-      if (type == Slot::LOOKUP) {
-        BAILOUT("CountOperation with lookup slot");
-      }
-    }
-  } else if (prop != NULL) {
-    Visit(prop->obj());
-    CHECK_BAILOUT;
-    Visit(prop->key());
-    CHECK_BAILOUT;
-  } else {
-    // This is a throw reference error.
-    BAILOUT("CountOperation non-variable/non-property expression");
-  }
-}
-
-
-void FullCodeGenSyntaxChecker::VisitBinaryOperation(BinaryOperation* expr) {
-  Visit(expr->left());
-  CHECK_BAILOUT;
-  Visit(expr->right());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitCompareOperation(CompareOperation* expr) {
-  Visit(expr->left());
-  CHECK_BAILOUT;
-  Visit(expr->right());
-}
-
-
-void FullCodeGenSyntaxChecker::VisitThisFunction(ThisFunction* expr) {
-  // Supported.
-}
-
-#undef BAILOUT
-#undef CHECK_BAILOUT
-
-
-#define __ ACCESS_MASM(masm())
-
-Handle<Code> FullCodeGenerator::MakeCode(FunctionLiteral* fun,
-                                         Handle<Script> script,
-                                         bool is_eval) {
-  CodeGenerator::MakeCodePrologue(fun);
-  const int kInitialBufferSize = 4 * KB;
-  MacroAssembler masm(NULL, kInitialBufferSize);
-  FullCodeGenerator cgen(&masm, script, is_eval);
-  cgen.Generate(fun);
-  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(fun, &masm, flags, script);
-}
-
-
-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:
-      offset += (function_->scope()->num_parameters() + 1) * kPointerSize;
-      break;
-    case Slot::LOCAL:
-      offset += JavaScriptFrameConstants::kLocal0Offset;
-      break;
-    case Slot::CONTEXT:
-    case Slot::LOOKUP:
-      UNREACHABLE();
-  }
-  return offset;
-}
-
-
-void FullCodeGenerator::VisitDeclarations(
-    ZoneList<Declaration*>* declarations) {
-  int length = declarations->length();
-  int globals = 0;
-  for (int i = 0; i < length; i++) {
-    Declaration* decl = declarations->at(i);
-    Variable* var = decl->proxy()->var();
-    Slot* slot = var->slot();
-
-    // If it was not possible to allocate the variable at compile
-    // time, we need to "declare" it at runtime to make sure it
-    // actually exists in the local context.
-    if ((slot != NULL && slot->type() == Slot::LOOKUP) || !var->is_global()) {
-      VisitDeclaration(decl);
-    } else {
-      // Count global variables and functions for later processing
-      globals++;
-    }
-  }
-
-  // Compute array of global variable and function declarations.
-  // Do nothing in case of no declared global functions or variables.
-  if (globals > 0) {
-    Handle<FixedArray> array = Factory::NewFixedArray(2 * globals, TENURED);
-    for (int j = 0, i = 0; i < length; i++) {
-      Declaration* decl = declarations->at(i);
-      Variable* var = decl->proxy()->var();
-      Slot* slot = var->slot();
-
-      if ((slot == NULL || slot->type() != Slot::LOOKUP) && var->is_global()) {
-        array->set(j++, *(var->name()));
-        if (decl->fun() == NULL) {
-          if (var->mode() == Variable::CONST) {
-            // In case this is const property use the hole.
-            array->set_the_hole(j++);
-          } else {
-            array->set_undefined(j++);
-          }
-        } else {
-          Handle<JSFunction> function =
-              Compiler::BuildBoilerplate(decl->fun(), script_, this);
-          // Check for stack-overflow exception.
-          if (HasStackOverflow()) return;
-          array->set(j++, *function);
-        }
-      }
-    }
-    // Invoke the platform-dependent code generator to do the actual
-    // declaration the global variables and functions.
-    DeclareGlobals(array);
-  }
-}
-
-
-void FullCodeGenerator::SetFunctionPosition(FunctionLiteral* fun) {
-  if (FLAG_debug_info) {
-    CodeGenerator::RecordPositions(masm_, fun->start_position());
-  }
-}
-
-
-void FullCodeGenerator::SetReturnPosition(FunctionLiteral* fun) {
-  if (FLAG_debug_info) {
-    CodeGenerator::RecordPositions(masm_, fun->end_position());
-  }
-}
-
-
-void FullCodeGenerator::SetStatementPosition(Statement* stmt) {
-  if (FLAG_debug_info) {
-    CodeGenerator::RecordPositions(masm_, stmt->statement_pos());
-  }
-}
-
-
-void FullCodeGenerator::SetStatementPosition(int pos) {
-  if (FLAG_debug_info) {
-    CodeGenerator::RecordPositions(masm_, pos);
-  }
-}
-
-
-void FullCodeGenerator::SetSourcePosition(int pos) {
-  if (FLAG_debug_info && pos != RelocInfo::kNoPosition) {
-    masm_->RecordPosition(pos);
-  }
-}
-
-
-void FullCodeGenerator::EmitLogicalOperation(BinaryOperation* expr) {
-  Label eval_right, done;
-
-  // Set up the appropriate context for the left subexpression based
-  // on the operation and our own context.  Initially assume we can
-  // inherit both true and false labels from our context.
-  if (expr->op() == Token::OR) {
-    switch (context_) {
-      case Expression::kUninitialized:
-        UNREACHABLE();
-      case Expression::kEffect:
-        VisitForControl(expr->left(), &done, &eval_right);
-        break;
-      case Expression::kValue:
-        VisitForValueControl(expr->left(),
-                             location_,
-                             &done,
-                             &eval_right);
-        break;
-      case Expression::kTest:
-        VisitForControl(expr->left(), true_label_, &eval_right);
-        break;
-      case Expression::kValueTest:
-        VisitForValueControl(expr->left(),
-                             location_,
-                             true_label_,
-                             &eval_right);
-        break;
-      case Expression::kTestValue:
-        VisitForControl(expr->left(), true_label_, &eval_right);
-        break;
-    }
-  } else {
-    ASSERT_EQ(Token::AND, expr->op());
-    switch (context_) {
-      case Expression::kUninitialized:
-        UNREACHABLE();
-      case Expression::kEffect:
-        VisitForControl(expr->left(), &eval_right, &done);
-        break;
-      case Expression::kValue:
-        VisitForControlValue(expr->left(),
-                             location_,
-                             &eval_right,
-                             &done);
-        break;
-      case Expression::kTest:
-        VisitForControl(expr->left(), &eval_right, false_label_);
-        break;
-      case Expression::kValueTest:
-        VisitForControl(expr->left(), &eval_right, false_label_);
-        break;
-      case Expression::kTestValue:
-        VisitForControlValue(expr->left(),
-                             location_,
-                             &eval_right,
-                             false_label_);
-        break;
-    }
-  }
-
-  __ bind(&eval_right);
-  Visit(expr->right());
-
-  __ bind(&done);
-}
-
-
-void FullCodeGenerator::VisitBlock(Block* stmt) {
-  Comment cmnt(masm_, "[ Block");
-  Breakable nested_statement(this, stmt);
-  SetStatementPosition(stmt);
-  VisitStatements(stmt->statements());
-  __ bind(nested_statement.break_target());
-}
-
-
-void FullCodeGenerator::VisitExpressionStatement(ExpressionStatement* stmt) {
-  Comment cmnt(masm_, "[ ExpressionStatement");
-  SetStatementPosition(stmt);
-  VisitForEffect(stmt->expression());
-}
-
-
-void FullCodeGenerator::VisitEmptyStatement(EmptyStatement* stmt) {
-  Comment cmnt(masm_, "[ EmptyStatement");
-  SetStatementPosition(stmt);
-}
-
-
-void FullCodeGenerator::VisitIfStatement(IfStatement* stmt) {
-  Comment cmnt(masm_, "[ IfStatement");
-  SetStatementPosition(stmt);
-  Label then_part, else_part, done;
-
-  // Do not worry about optimizing for empty then or else bodies.
-  VisitForControl(stmt->condition(), &then_part, &else_part);
-
-  __ bind(&then_part);
-  Visit(stmt->then_statement());
-  __ jmp(&done);
-
-  __ bind(&else_part);
-  Visit(stmt->else_statement());
-
-  __ bind(&done);
-}
-
-
-void FullCodeGenerator::VisitContinueStatement(ContinueStatement* stmt) {
-  Comment cmnt(masm_,  "[ ContinueStatement");
-  SetStatementPosition(stmt);
-  NestedStatement* current = nesting_stack_;
-  int stack_depth = 0;
-  while (!current->IsContinueTarget(stmt->target())) {
-    stack_depth = current->Exit(stack_depth);
-    current = current->outer();
-  }
-  __ Drop(stack_depth);
-
-  Iteration* loop = current->AsIteration();
-  __ jmp(loop->continue_target());
-}
-
-
-void FullCodeGenerator::VisitBreakStatement(BreakStatement* stmt) {
-  Comment cmnt(masm_,  "[ BreakStatement");
-  SetStatementPosition(stmt);
-  NestedStatement* current = nesting_stack_;
-  int stack_depth = 0;
-  while (!current->IsBreakTarget(stmt->target())) {
-    stack_depth = current->Exit(stack_depth);
-    current = current->outer();
-  }
-  __ Drop(stack_depth);
-
-  Breakable* target = current->AsBreakable();
-  __ jmp(target->break_target());
-}
-
-
-void FullCodeGenerator::VisitReturnStatement(ReturnStatement* stmt) {
-  Comment cmnt(masm_, "[ ReturnStatement");
-  SetStatementPosition(stmt);
-  Expression* expr = stmt->expression();
-  VisitForValue(expr, kAccumulator);
-
-  // Exit all nested statements.
-  NestedStatement* current = nesting_stack_;
-  int stack_depth = 0;
-  while (current != NULL) {
-    stack_depth = current->Exit(stack_depth);
-    current = current->outer();
-  }
-  __ Drop(stack_depth);
-
-  EmitReturnSequence(stmt->statement_pos());
-}
-
-
-void FullCodeGenerator::VisitWithEnterStatement(WithEnterStatement* stmt) {
-  Comment cmnt(masm_, "[ WithEnterStatement");
-  SetStatementPosition(stmt);
-
-  VisitForValue(stmt->expression(), kStack);
-  if (stmt->is_catch_block()) {
-    __ CallRuntime(Runtime::kPushCatchContext, 1);
-  } else {
-    __ CallRuntime(Runtime::kPushContext, 1);
-  }
-  // Both runtime calls return the new context in both the context and the
-  // result registers.
-
-  // Update local stack frame context field.
-  StoreToFrameField(StandardFrameConstants::kContextOffset, context_register());
-}
-
-
-void FullCodeGenerator::VisitWithExitStatement(WithExitStatement* stmt) {
-  Comment cmnt(masm_, "[ WithExitStatement");
-  SetStatementPosition(stmt);
-
-  // Pop context.
-  LoadContextField(context_register(), Context::PREVIOUS_INDEX);
-  // Update local stack frame context field.
-  StoreToFrameField(StandardFrameConstants::kContextOffset, context_register());
-}
-
-
-void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) {
-  UNREACHABLE();
-}
-
-
-void FullCodeGenerator::VisitDoWhileStatement(DoWhileStatement* stmt) {
-  Comment cmnt(masm_, "[ DoWhileStatement");
-  SetStatementPosition(stmt);
-  Label body, stack_limit_hit, stack_check_success;
-
-  Iteration loop_statement(this, stmt);
-  increment_loop_depth();
-
-  __ bind(&body);
-  Visit(stmt->body());
-
-  // Check stack before looping.
-  __ StackLimitCheck(&stack_limit_hit);
-  __ bind(&stack_check_success);
-
-  __ bind(loop_statement.continue_target());
-  SetStatementPosition(stmt->condition_position());
-  VisitForControl(stmt->cond(), &body, loop_statement.break_target());
-
-  __ bind(&stack_limit_hit);
-  StackCheckStub stack_stub;
-  __ CallStub(&stack_stub);
-  __ jmp(&stack_check_success);
-
-  __ bind(loop_statement.break_target());
-
-  decrement_loop_depth();
-}
-
-
-void FullCodeGenerator::VisitWhileStatement(WhileStatement* stmt) {
-  Comment cmnt(masm_, "[ WhileStatement");
-  SetStatementPosition(stmt);
-  Label body, stack_limit_hit, stack_check_success;
-
-  Iteration loop_statement(this, stmt);
-  increment_loop_depth();
-
-  // Emit the test at the bottom of the loop.
-  __ jmp(loop_statement.continue_target());
-
-  __ bind(&body);
-  Visit(stmt->body());
-
-  __ bind(loop_statement.continue_target());
-  // Check stack before looping.
-  __ StackLimitCheck(&stack_limit_hit);
-  __ bind(&stack_check_success);
-
-  VisitForControl(stmt->cond(), &body, loop_statement.break_target());
-
-  __ bind(&stack_limit_hit);
-  StackCheckStub stack_stub;
-  __ CallStub(&stack_stub);
-  __ jmp(&stack_check_success);
-
-  __ bind(loop_statement.break_target());
-  decrement_loop_depth();
-}
-
-
-void FullCodeGenerator::VisitForStatement(ForStatement* stmt) {
-  UNREACHABLE();
-}
-
-
-void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {
-  UNREACHABLE();
-}
-
-
-void FullCodeGenerator::VisitTryCatchStatement(TryCatchStatement* stmt) {
-  Comment cmnt(masm_, "[ TryCatchStatement");
-  SetStatementPosition(stmt);
-  // The try block adds a handler to the exception handler chain
-  // before entering, and removes it again when exiting normally.
-  // If an exception is thrown during execution of the try block,
-  // control is passed to the handler, which also consumes the handler.
-  // At this point, the exception is in a register, and store it in
-  // the temporary local variable (prints as ".catch-var") before
-  // executing the catch block. The catch block has been rewritten
-  // to introduce a new scope to bind the catch variable and to remove
-  // that scope again afterwards.
-
-  Label try_handler_setup, catch_entry, done;
-  __ Call(&try_handler_setup);
-  // Try handler code, exception in result register.
-
-  // Store exception in local .catch variable before executing catch block.
-  {
-    // The catch variable is *always* a variable proxy for a local variable.
-    Variable* catch_var = stmt->catch_var()->AsVariableProxy()->AsVariable();
-    ASSERT_NOT_NULL(catch_var);
-    Slot* variable_slot = catch_var->slot();
-    ASSERT_NOT_NULL(variable_slot);
-    ASSERT_EQ(Slot::LOCAL, variable_slot->type());
-    StoreToFrameField(SlotOffset(variable_slot), result_register());
-  }
-
-  Visit(stmt->catch_block());
-  __ jmp(&done);
-
-  // Try block code. Sets up the exception handler chain.
-  __ bind(&try_handler_setup);
-  {
-    TryCatch try_block(this, &catch_entry);
-    __ PushTryHandler(IN_JAVASCRIPT, TRY_CATCH_HANDLER);
-    Visit(stmt->try_block());
-    __ PopTryHandler();
-  }
-  __ bind(&done);
-}
-
-
-void FullCodeGenerator::VisitTryFinallyStatement(TryFinallyStatement* stmt) {
-  Comment cmnt(masm_, "[ TryFinallyStatement");
-  SetStatementPosition(stmt);
-  // Try finally is compiled by setting up a try-handler on the stack while
-  // executing the try body, and removing it again afterwards.
-  //
-  // The try-finally construct can enter the finally block in three ways:
-  // 1. By exiting the try-block normally. This removes the try-handler and
-  //      calls the finally block code before continuing.
-  // 2. By exiting the try-block with a function-local control flow transfer
-  //    (break/continue/return). The site of the, e.g., break removes the
-  //    try handler and calls the finally block code before continuing
-  //    its outward control transfer.
-  // 3. by exiting the try-block with a thrown exception.
-  //    This can happen in nested function calls. It traverses the try-handler
-  //    chain and consumes the try-handler entry before jumping to the
-  //    handler code. The handler code then calls the finally-block before
-  //    rethrowing the exception.
-  //
-  // The finally block must assume a return address on top of the stack
-  // (or in the link register on ARM chips) and a value (return value or
-  // exception) in the result register (rax/eax/r0), both of which must
-  // be preserved. The return address isn't GC-safe, so it should be
-  // cooked before GC.
-  Label finally_entry;
-  Label try_handler_setup;
-
-  // Setup the try-handler chain. Use a call to
-  // Jump to try-handler setup and try-block code. Use call to put try-handler
-  // address on stack.
-  __ Call(&try_handler_setup);
-  // Try handler code. Return address of call is pushed on handler stack.
-  {
-    // This code is only executed during stack-handler traversal when an
-    // exception is thrown. The execption is in the result register, which
-    // is retained by the finally block.
-    // Call the finally block and then rethrow the exception.
-    __ Call(&finally_entry);
-    __ push(result_register());
-    __ CallRuntime(Runtime::kReThrow, 1);
-  }
-
-  __ bind(&finally_entry);
-  {
-    // Finally block implementation.
-    Finally finally_block(this);
-    EnterFinallyBlock();
-    Visit(stmt->finally_block());
-    ExitFinallyBlock();  // Return to the calling code.
-  }
-
-  __ bind(&try_handler_setup);
-  {
-    // Setup try handler (stack pointer registers).
-    TryFinally try_block(this, &finally_entry);
-    __ PushTryHandler(IN_JAVASCRIPT, TRY_FINALLY_HANDLER);
-    Visit(stmt->try_block());
-    __ PopTryHandler();
-  }
-  // 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);
-  __ CallRuntime(Runtime::kDebugBreak, 0);
-  // Ignore the return value.
-#endif
-}
-
-
-void FullCodeGenerator::VisitFunctionBoilerplateLiteral(
-    FunctionBoilerplateLiteral* expr) {
-  UNREACHABLE();
-}
-
-
-void FullCodeGenerator::VisitConditional(Conditional* expr) {
-  Comment cmnt(masm_, "[ Conditional");
-  Label true_case, false_case, done;
-  VisitForControl(expr->condition(), &true_case, &false_case);
-
-  __ bind(&true_case);
-  Visit(expr->then_expression());
-  // If control flow falls through Visit, jump to done.
-  if (context_ == Expression::kEffect || context_ == Expression::kValue) {
-    __ jmp(&done);
-  }
-
-  __ bind(&false_case);
-  Visit(expr->else_expression());
-  // If control flow falls through Visit, merge it with true case here.
-  if (context_ == Expression::kEffect || context_ == Expression::kValue) {
-    __ bind(&done);
-  }
-}
-
-
-void FullCodeGenerator::VisitSlot(Slot* expr) {
-  // Slots do not appear directly in the AST.
-  UNREACHABLE();
-}
-
-
-void FullCodeGenerator::VisitLiteral(Literal* expr) {
-  Comment cmnt(masm_, "[ Literal");
-  Apply(context_, expr);
-}
-
-
-void FullCodeGenerator::VisitAssignment(Assignment* expr) {
-  Comment cmnt(masm_, "[ Assignment");
-  // 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 compount 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());
-}
-
-
-void FullCodeGenerator::VisitThrow(Throw* expr) {
-  Comment cmnt(masm_, "[ Throw");
-  VisitForValue(expr->exception(), kStack);
-  __ CallRuntime(Runtime::kThrow, 1);
-  // Never returns here.
-}
-
-
-int FullCodeGenerator::TryFinally::Exit(int stack_depth) {
-  // The macros used here must preserve the result register.
-  __ Drop(stack_depth);
-  __ PopTryHandler();
-  __ Call(finally_entry_);
-  return 0;
-}
-
-
-int FullCodeGenerator::TryCatch::Exit(int stack_depth) {
-  // The macros used here must preserve the result register.
-  __ Drop(stack_depth);
-  __ PopTryHandler();
-  return 0;
-}
-
-
-#undef __
-
-
-} }  // namespace v8::internal