Create ast/ and parsing/ subdirectories and move appropriate files

src/ast-numbering.cc

Index: src/ast-numbering.cc
diff --git a/src/ast-numbering.cc b/src/ast-numbering.cc
deleted file mode 100644
index 20a091f1fac509920d36e1b83ffdf9bd221c5085..0000000000000000000000000000000000000000
--- a/src/ast-numbering.cc
+++ /dev/null
@@ -1,592 +0,0 @@
-// Copyright 2012 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "src/ast-numbering.h"
-
-#include "src/ast.h"
-#include "src/scopes.h"
-
-namespace v8 {
-namespace internal {
-
-class AstNumberingVisitor final : public AstVisitor {
- public:
-  AstNumberingVisitor(Isolate* isolate, Zone* zone)
-      : AstVisitor(),
-        isolate_(isolate),
-        zone_(zone),
-        next_id_(BailoutId::FirstUsable().ToInt()),
-        properties_(zone),
-        slot_cache_(zone),
-        dont_optimize_reason_(kNoReason) {
-    InitializeAstVisitor(isolate);
-  }
-
-  bool Renumber(FunctionLiteral* node);
-
- private:
-// AST node visitor interface.
-#define DEFINE_VISIT(type) void Visit##type(type* node) override;
-  AST_NODE_LIST(DEFINE_VISIT)
-#undef DEFINE_VISIT
-
-  bool Finish(FunctionLiteral* node);
-
-  void VisitVariableProxyReference(VariableProxy* node);
-  void VisitPropertyReference(Property* node);
-  void VisitReference(Expression* expr);
-
-  void VisitStatements(ZoneList<Statement*>* statements) override;
-  void VisitDeclarations(ZoneList<Declaration*>* declarations) override;
-  void VisitArguments(ZoneList<Expression*>* arguments);
-  void VisitObjectLiteralProperty(ObjectLiteralProperty* property);
-
-  int ReserveIdRange(int n) {
-    int tmp = next_id_;
-    next_id_ += n;
-    return tmp;
-  }
-
-  void IncrementNodeCount() { properties_.add_node_count(1); }
-  void DisableSelfOptimization() {
-    properties_.flags() |= AstProperties::kDontSelfOptimize;
-  }
-  void DisableOptimization(BailoutReason reason) {
-    dont_optimize_reason_ = reason;
-    DisableSelfOptimization();
-  }
-  void DisableCrankshaft(BailoutReason reason) {
-    if (FLAG_turbo_shipping) {
-      properties_.flags() |= AstProperties::kDontCrankshaft;
-    } else {
-      dont_optimize_reason_ = reason;
-      DisableSelfOptimization();
-    }
-  }
-
-  template <typename Node>
-  void ReserveFeedbackSlots(Node* node) {
-    node->AssignFeedbackVectorSlots(isolate_, properties_.get_spec(),
-                                    &slot_cache_);
-  }
-
-  BailoutReason dont_optimize_reason() const { return dont_optimize_reason_; }
-
-  Isolate* isolate_;
-  Zone* zone_;
-  int next_id_;
-  AstProperties properties_;
-  // The slot cache allows us to reuse certain feedback vector slots.
-  FeedbackVectorSlotCache slot_cache_;
-  BailoutReason dont_optimize_reason_;
-
-  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
-  DISALLOW_COPY_AND_ASSIGN(AstNumberingVisitor);
-};
-
-
-void AstNumberingVisitor::VisitVariableDeclaration(VariableDeclaration* node) {
-  IncrementNodeCount();
-  VisitVariableProxy(node->proxy());
-}
-
-
-void AstNumberingVisitor::VisitExportDeclaration(ExportDeclaration* node) {
-  IncrementNodeCount();
-  DisableOptimization(kExportDeclaration);
-  VisitVariableProxy(node->proxy());
-}
-
-
-void AstNumberingVisitor::VisitEmptyStatement(EmptyStatement* node) {
-  IncrementNodeCount();
-}
-
-
-void AstNumberingVisitor::VisitSloppyBlockFunctionStatement(
-    SloppyBlockFunctionStatement* node) {
-  IncrementNodeCount();
-  Visit(node->statement());
-}
-
-
-void AstNumberingVisitor::VisitContinueStatement(ContinueStatement* node) {
-  IncrementNodeCount();
-}
-
-
-void AstNumberingVisitor::VisitBreakStatement(BreakStatement* node) {
-  IncrementNodeCount();
-}
-
-
-void AstNumberingVisitor::VisitDebuggerStatement(DebuggerStatement* node) {
-  IncrementNodeCount();
-  DisableOptimization(kDebuggerStatement);
-  node->set_base_id(ReserveIdRange(DebuggerStatement::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitNativeFunctionLiteral(
-    NativeFunctionLiteral* node) {
-  IncrementNodeCount();
-  DisableOptimization(kNativeFunctionLiteral);
-  node->set_base_id(ReserveIdRange(NativeFunctionLiteral::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitDoExpression(DoExpression* node) {
-  IncrementNodeCount();
-  DisableCrankshaft(kDoExpression);
-  node->set_base_id(ReserveIdRange(DoExpression::num_ids()));
-  Visit(node->block());
-  Visit(node->result());
-}
-
-
-void AstNumberingVisitor::VisitLiteral(Literal* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Literal::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitRegExpLiteral(RegExpLiteral* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(RegExpLiteral::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitVariableProxyReference(VariableProxy* node) {
-  IncrementNodeCount();
-  if (node->var()->IsLookupSlot()) {
-    DisableCrankshaft(kReferenceToAVariableWhichRequiresDynamicLookup);
-  }
-  node->set_base_id(ReserveIdRange(VariableProxy::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitVariableProxy(VariableProxy* node) {
-  VisitVariableProxyReference(node);
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitThisFunction(ThisFunction* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(ThisFunction::num_ids()));
-}
-
-
-void AstNumberingVisitor::VisitSuperPropertyReference(
-    SuperPropertyReference* node) {
-  IncrementNodeCount();
-  DisableOptimization(kSuperReference);
-  node->set_base_id(ReserveIdRange(SuperPropertyReference::num_ids()));
-  Visit(node->this_var());
-  Visit(node->home_object());
-}
-
-
-void AstNumberingVisitor::VisitSuperCallReference(SuperCallReference* node) {
-  IncrementNodeCount();
-  DisableOptimization(kSuperReference);
-  node->set_base_id(ReserveIdRange(SuperCallReference::num_ids()));
-  Visit(node->this_var());
-  Visit(node->new_target_var());
-  Visit(node->this_function_var());
-}
-
-
-void AstNumberingVisitor::VisitImportDeclaration(ImportDeclaration* node) {
-  IncrementNodeCount();
-  DisableOptimization(kImportDeclaration);
-  VisitVariableProxy(node->proxy());
-}
-
-
-void AstNumberingVisitor::VisitExpressionStatement(ExpressionStatement* node) {
-  IncrementNodeCount();
-  Visit(node->expression());
-}
-
-
-void AstNumberingVisitor::VisitReturnStatement(ReturnStatement* node) {
-  IncrementNodeCount();
-  Visit(node->expression());
-}
-
-
-void AstNumberingVisitor::VisitYield(Yield* node) {
-  IncrementNodeCount();
-  DisableOptimization(kYield);
-  ReserveFeedbackSlots(node);
-  node->set_base_id(ReserveIdRange(Yield::num_ids()));
-  Visit(node->generator_object());
-  Visit(node->expression());
-}
-
-
-void AstNumberingVisitor::VisitThrow(Throw* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Throw::num_ids()));
-  Visit(node->exception());
-}
-
-
-void AstNumberingVisitor::VisitUnaryOperation(UnaryOperation* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(UnaryOperation::num_ids()));
-  Visit(node->expression());
-}
-
-
-void AstNumberingVisitor::VisitCountOperation(CountOperation* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(CountOperation::num_ids()));
-  Visit(node->expression());
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitBlock(Block* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Block::num_ids()));
-  if (node->scope() != NULL) VisitDeclarations(node->scope()->declarations());
-  VisitStatements(node->statements());
-}
-
-
-void AstNumberingVisitor::VisitFunctionDeclaration(FunctionDeclaration* node) {
-  IncrementNodeCount();
-  VisitVariableProxy(node->proxy());
-  VisitFunctionLiteral(node->fun());
-}
-
-
-void AstNumberingVisitor::VisitCallRuntime(CallRuntime* node) {
-  IncrementNodeCount();
-  ReserveFeedbackSlots(node);
-  if (node->is_jsruntime()) {
-    // Don't try to optimize JS runtime calls because we bailout on them.
-    DisableOptimization(kCallToAJavaScriptRuntimeFunction);
-  }
-  node->set_base_id(ReserveIdRange(CallRuntime::num_ids()));
-  VisitArguments(node->arguments());
-}
-
-
-void AstNumberingVisitor::VisitWithStatement(WithStatement* node) {
-  IncrementNodeCount();
-  DisableCrankshaft(kWithStatement);
-  node->set_base_id(ReserveIdRange(WithStatement::num_ids()));
-  Visit(node->expression());
-  Visit(node->statement());
-}
-
-
-void AstNumberingVisitor::VisitDoWhileStatement(DoWhileStatement* node) {
-  IncrementNodeCount();
-  DisableSelfOptimization();
-  node->set_base_id(ReserveIdRange(DoWhileStatement::num_ids()));
-  Visit(node->body());
-  Visit(node->cond());
-}
-
-
-void AstNumberingVisitor::VisitWhileStatement(WhileStatement* node) {
-  IncrementNodeCount();
-  DisableSelfOptimization();
-  node->set_base_id(ReserveIdRange(WhileStatement::num_ids()));
-  Visit(node->cond());
-  Visit(node->body());
-}
-
-
-void AstNumberingVisitor::VisitTryCatchStatement(TryCatchStatement* node) {
-  IncrementNodeCount();
-  DisableOptimization(kTryCatchStatement);
-  node->set_base_id(ReserveIdRange(TryCatchStatement::num_ids()));
-  Visit(node->try_block());
-  Visit(node->catch_block());
-}
-
-
-void AstNumberingVisitor::VisitTryFinallyStatement(TryFinallyStatement* node) {
-  IncrementNodeCount();
-  DisableOptimization(kTryFinallyStatement);
-  node->set_base_id(ReserveIdRange(TryFinallyStatement::num_ids()));
-  Visit(node->try_block());
-  Visit(node->finally_block());
-}
-
-
-void AstNumberingVisitor::VisitPropertyReference(Property* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Property::num_ids()));
-  Visit(node->key());
-  Visit(node->obj());
-}
-
-
-void AstNumberingVisitor::VisitReference(Expression* expr) {
-  DCHECK(expr->IsProperty() || expr->IsVariableProxy());
-  if (expr->IsProperty()) {
-    VisitPropertyReference(expr->AsProperty());
-  } else {
-    VisitVariableProxyReference(expr->AsVariableProxy());
-  }
-}
-
-
-void AstNumberingVisitor::VisitProperty(Property* node) {
-  VisitPropertyReference(node);
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitAssignment(Assignment* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Assignment::num_ids()));
-  if (node->is_compound()) VisitBinaryOperation(node->binary_operation());
-  VisitReference(node->target());
-  Visit(node->value());
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitBinaryOperation(BinaryOperation* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(BinaryOperation::num_ids()));
-  Visit(node->left());
-  Visit(node->right());
-}
-
-
-void AstNumberingVisitor::VisitCompareOperation(CompareOperation* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(CompareOperation::num_ids()));
-  Visit(node->left());
-  Visit(node->right());
-}
-
-
-void AstNumberingVisitor::VisitSpread(Spread* node) {
-  IncrementNodeCount();
-  DisableCrankshaft(kSpread);
-  Visit(node->expression());
-}
-
-
-void AstNumberingVisitor::VisitEmptyParentheses(EmptyParentheses* node) {
-  UNREACHABLE();
-}
-
-
-void AstNumberingVisitor::VisitForInStatement(ForInStatement* node) {
-  IncrementNodeCount();
-  DisableSelfOptimization();
-  node->set_base_id(ReserveIdRange(ForInStatement::num_ids()));
-  Visit(node->each());
-  Visit(node->enumerable());
-  Visit(node->body());
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitForOfStatement(ForOfStatement* node) {
-  IncrementNodeCount();
-  DisableCrankshaft(kForOfStatement);
-  node->set_base_id(ReserveIdRange(ForOfStatement::num_ids()));
-  Visit(node->assign_iterator());
-  Visit(node->next_result());
-  Visit(node->result_done());
-  Visit(node->assign_each());
-  Visit(node->body());
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitConditional(Conditional* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(Conditional::num_ids()));
-  Visit(node->condition());
-  Visit(node->then_expression());
-  Visit(node->else_expression());
-}
-
-
-void AstNumberingVisitor::VisitIfStatement(IfStatement* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(IfStatement::num_ids()));
-  Visit(node->condition());
-  Visit(node->then_statement());
-  if (node->HasElseStatement()) {
-    Visit(node->else_statement());
-  }
-}
-
-
-void AstNumberingVisitor::VisitSwitchStatement(SwitchStatement* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(SwitchStatement::num_ids()));
-  Visit(node->tag());
-  ZoneList<CaseClause*>* cases = node->cases();
-  for (int i = 0; i < cases->length(); i++) {
-    VisitCaseClause(cases->at(i));
-  }
-}
-
-
-void AstNumberingVisitor::VisitCaseClause(CaseClause* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(CaseClause::num_ids()));
-  if (!node->is_default()) Visit(node->label());
-  VisitStatements(node->statements());
-}
-
-
-void AstNumberingVisitor::VisitForStatement(ForStatement* node) {
-  IncrementNodeCount();
-  DisableSelfOptimization();
-  node->set_base_id(ReserveIdRange(ForStatement::num_ids()));
-  if (node->init() != NULL) Visit(node->init());
-  if (node->cond() != NULL) Visit(node->cond());
-  if (node->next() != NULL) Visit(node->next());
-  Visit(node->body());
-}
-
-
-void AstNumberingVisitor::VisitClassLiteral(ClassLiteral* node) {
-  IncrementNodeCount();
-  DisableCrankshaft(kClassLiteral);
-  node->set_base_id(ReserveIdRange(node->num_ids()));
-  if (node->extends()) Visit(node->extends());
-  if (node->constructor()) Visit(node->constructor());
-  if (node->class_variable_proxy()) {
-    VisitVariableProxy(node->class_variable_proxy());
-  }
-  for (int i = 0; i < node->properties()->length(); i++) {
-    VisitObjectLiteralProperty(node->properties()->at(i));
-  }
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitObjectLiteral(ObjectLiteral* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(node->num_ids()));
-  for (int i = 0; i < node->properties()->length(); i++) {
-    VisitObjectLiteralProperty(node->properties()->at(i));
-  }
-  node->BuildConstantProperties(isolate_);
-  // Mark all computed expressions that are bound to a key that
-  // is shadowed by a later occurrence of the same key. For the
-  // marked expressions, no store code will be is emitted.
-  node->CalculateEmitStore(zone_);
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitObjectLiteralProperty(
-    ObjectLiteralProperty* node) {
-  if (node->is_computed_name()) DisableCrankshaft(kComputedPropertyName);
-  Visit(node->key());
-  Visit(node->value());
-}
-
-
-void AstNumberingVisitor::VisitArrayLiteral(ArrayLiteral* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(node->num_ids()));
-  for (int i = 0; i < node->values()->length(); i++) {
-    Visit(node->values()->at(i));
-  }
-  node->BuildConstantElements(isolate_);
-  ReserveFeedbackSlots(node);
-}
-
-
-void AstNumberingVisitor::VisitCall(Call* node) {
-  IncrementNodeCount();
-  ReserveFeedbackSlots(node);
-  node->set_base_id(ReserveIdRange(Call::num_ids()));
-  Visit(node->expression());
-  VisitArguments(node->arguments());
-}
-
-
-void AstNumberingVisitor::VisitCallNew(CallNew* node) {
-  IncrementNodeCount();
-  ReserveFeedbackSlots(node);
-  node->set_base_id(ReserveIdRange(CallNew::num_ids()));
-  Visit(node->expression());
-  VisitArguments(node->arguments());
-}
-
-
-void AstNumberingVisitor::VisitStatements(ZoneList<Statement*>* statements) {
-  if (statements == NULL) return;
-  for (int i = 0; i < statements->length(); i++) {
-    Visit(statements->at(i));
-  }
-}
-
-
-void AstNumberingVisitor::VisitDeclarations(
-    ZoneList<Declaration*>* declarations) {
-  for (int i = 0; i < declarations->length(); i++) {
-    Visit(declarations->at(i));
-  }
-}
-
-
-void AstNumberingVisitor::VisitArguments(ZoneList<Expression*>* arguments) {
-  for (int i = 0; i < arguments->length(); i++) {
-    Visit(arguments->at(i));
-  }
-}
-
-
-void AstNumberingVisitor::VisitFunctionLiteral(FunctionLiteral* node) {
-  IncrementNodeCount();
-  node->set_base_id(ReserveIdRange(FunctionLiteral::num_ids()));
-  // We don't recurse into the declarations or body of the function literal:
-  // you have to separately Renumber() each FunctionLiteral that you compile.
-}
-
-
-bool AstNumberingVisitor::Finish(FunctionLiteral* node) {
-  node->set_ast_properties(&properties_);
-  node->set_dont_optimize_reason(dont_optimize_reason());
-  return !HasStackOverflow();
-}
-
-
-bool AstNumberingVisitor::Renumber(FunctionLiteral* node) {
-  Scope* scope = node->scope();
-
-  if (scope->HasIllegalRedeclaration()) {
-    Visit(scope->GetIllegalRedeclaration());
-    DisableOptimization(kFunctionWithIllegalRedeclaration);
-    return Finish(node);
-  }
-  if (scope->calls_eval()) DisableOptimization(kFunctionCallsEval);
-  if (scope->arguments() != NULL && !scope->arguments()->IsStackAllocated()) {
-    DisableCrankshaft(kContextAllocatedArguments);
-  }
-
-  VisitDeclarations(scope->declarations());
-  VisitStatements(node->body());
-
-  return Finish(node);
-}
-
-
-bool AstNumbering::Renumber(Isolate* isolate, Zone* zone,
-                            FunctionLiteral* function) {
-  AstNumberingVisitor visitor(isolate, zone);
-  return visitor.Renumber(function);
-}
-}  // namespace internal
-}  // namespace v8