2010-01-29 09:42:13 +00:00
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// Copyright 2010 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "v8.h"
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#include "data-flow.h"
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namespace v8 {
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namespace internal {
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2010-02-03 16:12:55 +00:00
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void AstLabeler::Label(CompilationInfo* info) {
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info_ = info;
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VisitStatements(info_->function()->body());
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2010-01-29 09:42:13 +00:00
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}
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void AstLabeler::VisitStatements(ZoneList<Statement*>* stmts) {
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for (int i = 0, len = stmts->length(); i < len; i++) {
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Visit(stmts->at(i));
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}
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}
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void AstLabeler::VisitDeclarations(ZoneList<Declaration*>* decls) {
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UNREACHABLE();
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}
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void AstLabeler::VisitBlock(Block* stmt) {
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VisitStatements(stmt->statements());
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}
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void AstLabeler::VisitExpressionStatement(
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ExpressionStatement* stmt) {
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Visit(stmt->expression());
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}
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void AstLabeler::VisitEmptyStatement(EmptyStatement* stmt) {
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// Do nothing.
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}
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void AstLabeler::VisitIfStatement(IfStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitContinueStatement(ContinueStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitBreakStatement(BreakStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitReturnStatement(ReturnStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitWithEnterStatement(
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WithEnterStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitWithExitStatement(WithExitStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitSwitchStatement(SwitchStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitDoWhileStatement(DoWhileStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitWhileStatement(WhileStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitForStatement(ForStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitForInStatement(ForInStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitTryCatchStatement(TryCatchStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitTryFinallyStatement(
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TryFinallyStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitDebuggerStatement(
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DebuggerStatement* stmt) {
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UNREACHABLE();
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}
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void AstLabeler::VisitFunctionLiteral(FunctionLiteral* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitFunctionBoilerplateLiteral(
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FunctionBoilerplateLiteral* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitConditional(Conditional* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitSlot(Slot* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitVariableProxy(VariableProxy* expr) {
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expr->set_num(next_number_++);
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}
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void AstLabeler::VisitLiteral(Literal* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitRegExpLiteral(RegExpLiteral* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitObjectLiteral(ObjectLiteral* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitArrayLiteral(ArrayLiteral* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitCatchExtensionObject(
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CatchExtensionObject* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitAssignment(Assignment* expr) {
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Property* prop = expr->target()->AsProperty();
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ASSERT(prop != NULL);
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if (prop != NULL) {
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ASSERT(prop->key()->IsPropertyName());
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2010-02-01 17:01:58 +00:00
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VariableProxy* proxy = prop->obj()->AsVariableProxy();
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if (proxy != NULL && proxy->var()->is_this()) {
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2010-02-03 16:12:55 +00:00
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info()->set_has_this_properties(true);
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2010-02-01 17:01:58 +00:00
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} else {
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2010-01-29 09:42:13 +00:00
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Visit(prop->obj());
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2010-02-01 17:01:58 +00:00
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}
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2010-01-29 09:42:13 +00:00
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}
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Visit(expr->value());
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expr->set_num(next_number_++);
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}
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void AstLabeler::VisitThrow(Throw* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitProperty(Property* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitCall(Call* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitCallNew(CallNew* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitCallRuntime(CallRuntime* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitUnaryOperation(UnaryOperation* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitCountOperation(CountOperation* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitBinaryOperation(BinaryOperation* expr) {
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Visit(expr->left());
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Visit(expr->right());
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expr->set_num(next_number_++);
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}
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void AstLabeler::VisitCompareOperation(CompareOperation* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitThisFunction(ThisFunction* expr) {
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UNREACHABLE();
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}
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void AstLabeler::VisitDeclaration(Declaration* decl) {
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UNREACHABLE();
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}
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} } // namespace v8::internal
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