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// Copyright 2012 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 <stdarg.h>
#include "v8.h"
#include "prettyprinter.h"
#include "scopes.h"
#include "platform.h"
namespace v8 {
namespace internal {
#ifdef DEBUG
PrettyPrinter::PrettyPrinter() {
output_ = NULL;
size_ = 0;
pos_ = 0;
}
PrettyPrinter::~PrettyPrinter() {
DeleteArray(output_);
}
void PrettyPrinter::VisitBlock(Block* node) {
if (!node->is_initializer_block()) Print("{ ");
PrintStatements(node->statements());
if (node->statements()->length() > 0) Print(" ");
if (!node->is_initializer_block()) Print("}");
}
void PrettyPrinter::VisitVariableDeclaration(VariableDeclaration* node) {
Print("var ");
PrintLiteral(node->proxy()->name(), false);
Print(";");
}
void PrettyPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) {
Print("function ");
PrintLiteral(node->proxy()->name(), false);
Print(" = ");
PrintFunctionLiteral(node->fun());
Print(";");
}
void PrettyPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
Print("module ");
PrintLiteral(node->proxy()->name(), false);
Print(" = ");
Visit(node->module());
Print(";");
}
void PrettyPrinter::VisitImportDeclaration(ImportDeclaration* node) {
Print("import ");
PrintLiteral(node->proxy()->name(), false);
Print(" from ");
Visit(node->module());
Print(";");
}
void PrettyPrinter::VisitExportDeclaration(ExportDeclaration* node) {
Print("export ");
PrintLiteral(node->proxy()->name(), false);
Print(";");
}
void PrettyPrinter::VisitModuleLiteral(ModuleLiteral* node) {
VisitBlock(node->body());
}
void PrettyPrinter::VisitModuleVariable(ModuleVariable* node) {
Visit(node->proxy());
}
void PrettyPrinter::VisitModulePath(ModulePath* node) {
Visit(node->module());
Print(".");
PrintLiteral(node->name(), false);
}
void PrettyPrinter::VisitModuleUrl(ModuleUrl* node) {
Print("at ");
PrintLiteral(node->url(), true);
}
void PrettyPrinter::VisitExpressionStatement(ExpressionStatement* node) {
Visit(node->expression());
Print(";");
}
void PrettyPrinter::VisitEmptyStatement(EmptyStatement* node) {
Print(";");
}
void PrettyPrinter::VisitIfStatement(IfStatement* node) {
Print("if (");
Visit(node->condition());
Print(") ");
Visit(node->then_statement());
if (node->HasElseStatement()) {
Print(" else ");
Visit(node->else_statement());
}
}
void PrettyPrinter::VisitContinueStatement(ContinueStatement* node) {
Print("continue");
ZoneStringList* labels = node->target()->labels();
if (labels != NULL) {
Print(" ");
ASSERT(labels->length() > 0); // guaranteed to have at least one entry
PrintLiteral(labels->at(0), false); // any label from the list is fine
}
Print(";");
}
void PrettyPrinter::VisitBreakStatement(BreakStatement* node) {
Print("break");
ZoneStringList* labels = node->target()->labels();
if (labels != NULL) {
Print(" ");
ASSERT(labels->length() > 0); // guaranteed to have at least one entry
PrintLiteral(labels->at(0), false); // any label from the list is fine
}
Print(";");
}
void PrettyPrinter::VisitReturnStatement(ReturnStatement* node) {
Print("return ");
Visit(node->expression());
Print(";");
}
void PrettyPrinter::VisitWithStatement(WithStatement* node) {
Print("with (");
Visit(node->expression());
Print(") ");
Visit(node->statement());
}
void PrettyPrinter::VisitSwitchStatement(SwitchStatement* node) {
PrintLabels(node->labels());
Print("switch (");
Visit(node->tag());
Print(") { ");
ZoneList<CaseClause*>* cases = node->cases();
for (int i = 0; i < cases->length(); i++)
PrintCaseClause(cases->at(i));
Print("}");
}
void PrettyPrinter::VisitDoWhileStatement(DoWhileStatement* node) {
PrintLabels(node->labels());
Print("do ");
Visit(node->body());
Print(" while (");
Visit(node->cond());
Print(");");
}
void PrettyPrinter::VisitWhileStatement(WhileStatement* node) {
PrintLabels(node->labels());
Print("while (");
Visit(node->cond());
Print(") ");
Visit(node->body());
}
void PrettyPrinter::VisitForStatement(ForStatement* node) {
PrintLabels(node->labels());
Print("for (");
if (node->init() != NULL) {
Visit(node->init());
Print(" ");
} else {
Print("; ");
}
if (node->cond() != NULL) Visit(node->cond());
Print("; ");
if (node->next() != NULL) {
Visit(node->next()); // prints extra ';', unfortunately
// to fix: should use Expression for next
}
Print(") ");
Visit(node->body());
}
void PrettyPrinter::VisitForInStatement(ForInStatement* node) {
PrintLabels(node->labels());
Print("for (");
Visit(node->each());
Print(" in ");
Visit(node->enumerable());
Print(") ");
Visit(node->body());
}
void PrettyPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
Print("try ");
Visit(node->try_block());
Print(" catch (");
const bool quote = false;
PrintLiteral(node->variable()->name(), quote);
Print(") ");
Visit(node->catch_block());
}
void PrettyPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) {
Print("try ");
Visit(node->try_block());
Print(" finally ");
Visit(node->finally_block());
}
void PrettyPrinter::VisitDebuggerStatement(DebuggerStatement* node) {
Print("debugger ");
}
void PrettyPrinter::VisitFunctionLiteral(FunctionLiteral* node) {
Print("(");
PrintFunctionLiteral(node);
Print(")");
}
void PrettyPrinter::VisitSharedFunctionInfoLiteral(
SharedFunctionInfoLiteral* node) {
Print("(");
PrintLiteral(node->shared_function_info(), true);
Print(")");
}
void PrettyPrinter::VisitConditional(Conditional* node) {
Visit(node->condition());
Print(" ? ");
Visit(node->then_expression());
Print(" : ");
Visit(node->else_expression());
}
void PrettyPrinter::VisitLiteral(Literal* node) {
PrintLiteral(node->handle(), true);
}
void PrettyPrinter::VisitRegExpLiteral(RegExpLiteral* node) {
Print(" RegExp(");
PrintLiteral(node->pattern(), false);
Print(",");
PrintLiteral(node->flags(), false);
Print(") ");
}
void PrettyPrinter::VisitObjectLiteral(ObjectLiteral* node) {
Print("{ ");
for (int i = 0; i < node->properties()->length(); i++) {
if (i != 0) Print(",");
ObjectLiteral::Property* property = node->properties()->at(i);
Print(" ");
Visit(property->key());
Print(": ");
Visit(property->value());
}
Print(" }");
}
void PrettyPrinter::VisitArrayLiteral(ArrayLiteral* node) {
Print("[ ");
for (int i = 0; i < node->values()->length(); i++) {
if (i != 0) Print(",");
Visit(node->values()->at(i));
}
Print(" ]");
}
void PrettyPrinter::VisitVariableProxy(VariableProxy* node) {
PrintLiteral(node->name(), false);
}
void PrettyPrinter::VisitAssignment(Assignment* node) {
Visit(node->target());
Print(" %s ", Token::String(node->op()));
Visit(node->value());
}
void PrettyPrinter::VisitThrow(Throw* node) {
Print("throw ");
Visit(node->exception());
}
void PrettyPrinter::VisitProperty(Property* node) {
Expression* key = node->key();
Literal* literal = key->AsLiteral();
if (literal != NULL && literal->handle()->IsSymbol()) {
Print("(");
Visit(node->obj());
Print(").");
PrintLiteral(literal->handle(), false);
} else {
Visit(node->obj());
Print("[");
Visit(key);
Print("]");
}
}
void PrettyPrinter::VisitCall(Call* node) {
Visit(node->expression());
PrintArguments(node->arguments());
}
void PrettyPrinter::VisitCallNew(CallNew* node) {
Print("new (");
Visit(node->expression());
Print(")");
PrintArguments(node->arguments());
}
void PrettyPrinter::VisitCallRuntime(CallRuntime* node) {
Print("%%");
PrintLiteral(node->name(), false);
PrintArguments(node->arguments());
}
void PrettyPrinter::VisitUnaryOperation(UnaryOperation* node) {
Token::Value op = node->op();
bool needsSpace =
op == Token::DELETE || op == Token::TYPEOF || op == Token::VOID;
Print("(%s%s", Token::String(op), needsSpace ? " " : "");
Visit(node->expression());
Print(")");
}
void PrettyPrinter::VisitCountOperation(CountOperation* node) {
Print("(");
if (node->is_prefix()) Print("%s", Token::String(node->op()));
Visit(node->expression());
if (node->is_postfix()) Print("%s", Token::String(node->op()));
Print(")");
}
void PrettyPrinter::VisitBinaryOperation(BinaryOperation* node) {
Print("(");
Visit(node->left());
Print(" %s ", Token::String(node->op()));
Visit(node->right());
Print(")");
}
void PrettyPrinter::VisitCompareOperation(CompareOperation* node) {
Print("(");
Visit(node->left());
Print(" %s ", Token::String(node->op()));
Visit(node->right());
Print(")");
}
void PrettyPrinter::VisitThisFunction(ThisFunction* node) {
Print("<this-function>");
}
const char* PrettyPrinter::Print(AstNode* node) {
Init();
Visit(node);
return output_;
}
const char* PrettyPrinter::PrintExpression(FunctionLiteral* program) {
Init();
ExpressionStatement* statement =
program->body()->at(0)->AsExpressionStatement();
Visit(statement->expression());
return output_;
}
const char* PrettyPrinter::PrintProgram(FunctionLiteral* program) {
Init();
PrintStatements(program->body());
Print("\n");
return output_;
}
void PrettyPrinter::PrintOut(AstNode* node) {
PrettyPrinter printer;
PrintF("%s", printer.Print(node));
}
void PrettyPrinter::Init() {
if (size_ == 0) {
ASSERT(output_ == NULL);
const int initial_size = 256;
output_ = NewArray<char>(initial_size);
size_ = initial_size;
}
output_[0] = '\0';
pos_ = 0;
}
void PrettyPrinter::Print(const char* format, ...) {
for (;;) {
va_list arguments;
va_start(arguments, format);
int n = OS::VSNPrintF(Vector<char>(output_, size_) + pos_,
format,
arguments);
va_end(arguments);
if (n >= 0) {
// there was enough space - we are done
pos_ += n;
return;
} else {
// there was not enough space - allocate more and try again
const int slack = 32;
int new_size = size_ + (size_ >> 1) + slack;
char* new_output = NewArray<char>(new_size);
memcpy(new_output, output_, pos_);
DeleteArray(output_);
output_ = new_output;
size_ = new_size;
}
}
}
void PrettyPrinter::PrintStatements(ZoneList<Statement*>* statements) {
if (statements == NULL) return;
for (int i = 0; i < statements->length(); i++) {
if (i != 0) Print(" ");
Visit(statements->at(i));
}
}
void PrettyPrinter::PrintLabels(ZoneStringList* labels) {
if (labels != NULL) {
for (int i = 0; i < labels->length(); i++) {
PrintLiteral(labels->at(i), false);
Print(": ");
}
}
}
void PrettyPrinter::PrintArguments(ZoneList<Expression*>* arguments) {
Print("(");
for (int i = 0; i < arguments->length(); i++) {
if (i != 0) Print(", ");
Visit(arguments->at(i));
}
Print(")");
}
void PrettyPrinter::PrintLiteral(Handle<Object> value, bool quote) {
Object* object = *value;
if (object->IsString()) {
String* string = String::cast(object);
if (quote) Print("\"");
for (int i = 0; i < string->length(); i++) {
Print("%c", string->Get(i));
}
if (quote) Print("\"");
} else if (object->IsNull()) {
Print("null");
} else if (object->IsTrue()) {
Print("true");
} else if (object->IsFalse()) {
Print("false");
} else if (object->IsUndefined()) {
Print("undefined");
} else if (object->IsNumber()) {
Print("%g", object->Number());
} else if (object->IsJSObject()) {
// regular expression
if (object->IsJSFunction()) {
Print("JS-Function");
} else if (object->IsJSArray()) {
Print("JS-array[%u]", JSArray::cast(object)->length());
} else if (object->IsJSObject()) {
Print("JS-Object");
} else {
Print("?UNKNOWN?");
}
} else if (object->IsFixedArray()) {
Print("FixedArray");
} else {
Print("<unknown literal %p>", object);
}
}
void PrettyPrinter::PrintParameters(Scope* scope) {
Print("(");
for (int i = 0; i < scope->num_parameters(); i++) {
if (i > 0) Print(", ");
PrintLiteral(scope->parameter(i)->name(), false);
}
Print(")");
}
void PrettyPrinter::PrintDeclarations(ZoneList<Declaration*>* declarations) {
for (int i = 0; i < declarations->length(); i++) {
if (i > 0) Print(" ");
Visit(declarations->at(i));
}
}
void PrettyPrinter::PrintFunctionLiteral(FunctionLiteral* function) {
Print("function ");
PrintLiteral(function->name(), false);
PrintParameters(function->scope());
Print(" { ");
PrintDeclarations(function->scope()->declarations());
PrintStatements(function->body());
Print(" }");
}
void PrettyPrinter::PrintCaseClause(CaseClause* clause) {
if (clause->is_default()) {
Print("default");
} else {
Print("case ");
Visit(clause->label());
}
Print(": ");
PrintStatements(clause->statements());
if (clause->statements()->length() > 0)
Print(" ");
}
//-----------------------------------------------------------------------------
class IndentedScope BASE_EMBEDDED {
public:
explicit IndentedScope(AstPrinter* printer) : ast_printer_(printer) {
ast_printer_->inc_indent();
}
IndentedScope(AstPrinter* printer, const char* txt, AstNode* node = NULL)
: ast_printer_(printer) {
ast_printer_->PrintIndented(txt);
ast_printer_->Print("\n");
ast_printer_->inc_indent();
}
virtual ~IndentedScope() {
ast_printer_->dec_indent();
}
private:
AstPrinter* ast_printer_;
};
//-----------------------------------------------------------------------------
AstPrinter::AstPrinter() : indent_(0) {
}
AstPrinter::~AstPrinter() {
ASSERT(indent_ == 0);
}
void AstPrinter::PrintIndented(const char* txt) {
for (int i = 0; i < indent_; i++) {
Print(". ");
}
Print(txt);
}
void AstPrinter::PrintLiteralIndented(const char* info,
Handle<Object> value,
bool quote) {
PrintIndented(info);
Print(" ");
PrintLiteral(value, quote);
Print("\n");
}
void AstPrinter::PrintLiteralWithModeIndented(const char* info,
Variable* var,
Handle<Object> value) {
if (var == NULL) {
PrintLiteralIndented(info, value, true);
} else {
EmbeddedVector<char, 256> buf;
int pos = OS::SNPrintF(buf, "%s (mode = %s", info,
Variable::Mode2String(var->mode()));
OS::SNPrintF(buf + pos, ")");
PrintLiteralIndented(buf.start(), value, true);
}
}
void AstPrinter::PrintLabelsIndented(const char* info, ZoneStringList* labels) {
if (labels != NULL && labels->length() > 0) {
PrintIndented(info == NULL ? "LABELS" : info);
Print(" ");
PrintLabels(labels);
Print("\n");
} else if (info != NULL) {
PrintIndented(info);
Print("\n");
}
}
void AstPrinter::PrintIndentedVisit(const char* s, AstNode* node) {
IndentedScope indent(this, s, node);
Visit(node);
}
const char* AstPrinter::PrintProgram(FunctionLiteral* program) {
Init();
{ IndentedScope indent(this, "FUNC");
PrintLiteralIndented("NAME", program->name(), true);
PrintLiteralIndented("INFERRED NAME", program->inferred_name(), true);
PrintParameters(program->scope());
PrintDeclarations(program->scope()->declarations());
PrintStatements(program->body());
}
return Output();
}
void AstPrinter::PrintDeclarations(ZoneList<Declaration*>* declarations) {
if (declarations->length() > 0) {
IndentedScope indent(this, "DECLS");
for (int i = 0; i < declarations->length(); i++) {
Visit(declarations->at(i));
}
}
}
void AstPrinter::PrintParameters(Scope* scope) {
if (scope->num_parameters() > 0) {
IndentedScope indent(this, "PARAMS");
for (int i = 0; i < scope->num_parameters(); i++) {
PrintLiteralWithModeIndented("VAR", scope->parameter(i),
scope->parameter(i)->name());
}
}
}
void AstPrinter::PrintStatements(ZoneList<Statement*>* statements) {
for (int i = 0; i < statements->length(); i++) {
Visit(statements->at(i));
}
}
void AstPrinter::PrintArguments(ZoneList<Expression*>* arguments) {
for (int i = 0; i < arguments->length(); i++) {
Visit(arguments->at(i));
}
}
void AstPrinter::PrintCaseClause(CaseClause* clause) {
if (clause->is_default()) {
IndentedScope indent(this, "DEFAULT");
PrintStatements(clause->statements());
} else {
IndentedScope indent(this, "CASE");
Visit(clause->label());
PrintStatements(clause->statements());
}
}
void AstPrinter::VisitBlock(Block* node) {
const char* block_txt = node->is_initializer_block() ? "BLOCK INIT" : "BLOCK";
IndentedScope indent(this, block_txt);
PrintStatements(node->statements());
}
void AstPrinter::VisitVariableDeclaration(VariableDeclaration* node) {
PrintLiteralWithModeIndented(Variable::Mode2String(node->mode()),
node->proxy()->var(),
node->proxy()->name());
}
void AstPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) {
PrintIndented("FUNCTION ");
PrintLiteral(node->proxy()->name(), true);
Print(" = function ");
PrintLiteral(node->fun()->name(), false);
Print("\n");
}
void AstPrinter::VisitModuleDeclaration(ModuleDeclaration* node) {
IndentedScope indent(this, "MODULE");
PrintLiteralIndented("NAME", node->proxy()->name(), true);
Visit(node->module());
}
void AstPrinter::VisitImportDeclaration(ImportDeclaration* node) {
IndentedScope indent(this, "IMPORT");
PrintLiteralIndented("NAME", node->proxy()->name(), true);
Visit(node->module());
}
void AstPrinter::VisitExportDeclaration(ExportDeclaration* node) {
IndentedScope indent(this, "EXPORT ");
PrintLiteral(node->proxy()->name(), true);
}
void AstPrinter::VisitModuleLiteral(ModuleLiteral* node) {
VisitBlock(node->body());
}
void AstPrinter::VisitModuleVariable(ModuleVariable* node) {
Visit(node->proxy());
}
void AstPrinter::VisitModulePath(ModulePath* node) {
IndentedScope indent(this, "PATH");
PrintIndentedVisit("MODULE", node->module());
PrintLiteralIndented("NAME", node->name(), false);
}
void AstPrinter::VisitModuleUrl(ModuleUrl* node) {
PrintLiteralIndented("URL", node->url(), true);
}
void AstPrinter::VisitExpressionStatement(ExpressionStatement* node) {
Visit(node->expression());
}
void AstPrinter::VisitEmptyStatement(EmptyStatement* node) {
PrintIndented("EMPTY\n");
}
void AstPrinter::VisitIfStatement(IfStatement* node) {
PrintIndentedVisit("IF", node->condition());
PrintIndentedVisit("THEN", node->then_statement());
if (node->HasElseStatement()) {
PrintIndentedVisit("ELSE", node->else_statement());
}
}
void AstPrinter::VisitContinueStatement(ContinueStatement* node) {
PrintLabelsIndented("CONTINUE", node->target()->labels());
}
void AstPrinter::VisitBreakStatement(BreakStatement* node) {
PrintLabelsIndented("BREAK", node->target()->labels());
}
void AstPrinter::VisitReturnStatement(ReturnStatement* node) {
PrintIndentedVisit("RETURN", node->expression());
}
void AstPrinter::VisitWithStatement(WithStatement* node) {
IndentedScope indent(this, "WITH");
PrintIndentedVisit("OBJECT", node->expression());
PrintIndentedVisit("BODY", node->statement());
}
void AstPrinter::VisitSwitchStatement(SwitchStatement* node) {
IndentedScope indent(this, "SWITCH");
PrintLabelsIndented(NULL, node->labels());
PrintIndentedVisit("TAG", node->tag());
for (int i = 0; i < node->cases()->length(); i++) {
PrintCaseClause(node->cases()->at(i));
}
}
void AstPrinter::VisitDoWhileStatement(DoWhileStatement* node) {
IndentedScope indent(this, "DO");
PrintLabelsIndented(NULL, node->labels());
PrintIndentedVisit("BODY", node->body());
PrintIndentedVisit("COND", node->cond());
}
void AstPrinter::VisitWhileStatement(WhileStatement* node) {
IndentedScope indent(this, "WHILE");
PrintLabelsIndented(NULL, node->labels());
PrintIndentedVisit("COND", node->cond());
PrintIndentedVisit("BODY", node->body());
}
void AstPrinter::VisitForStatement(ForStatement* node) {
IndentedScope indent(this, "FOR");
PrintLabelsIndented(NULL, node->labels());
if (node->init()) PrintIndentedVisit("INIT", node->init());
if (node->cond()) PrintIndentedVisit("COND", node->cond());
PrintIndentedVisit("BODY", node->body());
if (node->next()) PrintIndentedVisit("NEXT", node->next());
}
void AstPrinter::VisitForInStatement(ForInStatement* node) {
IndentedScope indent(this, "FOR IN");
PrintIndentedVisit("FOR", node->each());
PrintIndentedVisit("IN", node->enumerable());
PrintIndentedVisit("BODY", node->body());
}
void AstPrinter::VisitTryCatchStatement(TryCatchStatement* node) {
IndentedScope indent(this, "TRY CATCH");
PrintIndentedVisit("TRY", node->try_block());
PrintLiteralWithModeIndented("CATCHVAR",
node->variable(),
node->variable()->name());
PrintIndentedVisit("CATCH", node->catch_block());
}
void AstPrinter::VisitTryFinallyStatement(TryFinallyStatement* node) {
IndentedScope indent(this, "TRY FINALLY");
PrintIndentedVisit("TRY", node->try_block());
PrintIndentedVisit("FINALLY", node->finally_block());
}
void AstPrinter::VisitDebuggerStatement(DebuggerStatement* node) {
IndentedScope indent(this, "DEBUGGER");
}
void AstPrinter::VisitFunctionLiteral(FunctionLiteral* node) {
IndentedScope indent(this, "FUNC LITERAL");
PrintLiteralIndented("NAME", node->name(), false);
PrintLiteralIndented("INFERRED NAME", node->inferred_name(), false);
PrintParameters(node->scope());
// We don't want to see the function literal in this case: it
// will be printed via PrintProgram when the code for it is
// generated.
// PrintStatements(node->body());
}
void AstPrinter::VisitSharedFunctionInfoLiteral(
SharedFunctionInfoLiteral* node) {
IndentedScope indent(this, "FUNC LITERAL");
PrintLiteralIndented("SHARED INFO", node->shared_function_info(), true);
}
void AstPrinter::VisitConditional(Conditional* node) {
IndentedScope indent(this, "CONDITIONAL");
PrintIndentedVisit("?", node->condition());
PrintIndentedVisit("THEN", node->then_expression());
PrintIndentedVisit("ELSE", node->else_expression());
}
void AstPrinter::VisitLiteral(Literal* node) {
PrintLiteralIndented("LITERAL", node->handle(), true);
}
void AstPrinter::VisitRegExpLiteral(RegExpLiteral* node) {
IndentedScope indent(this, "REGEXP LITERAL");
PrintLiteralIndented("PATTERN", node->pattern(), false);
PrintLiteralIndented("FLAGS", node->flags(), false);
}
void AstPrinter::VisitObjectLiteral(ObjectLiteral* node) {
IndentedScope indent(this, "OBJ LITERAL");
for (int i = 0; i < node->properties()->length(); i++) {
const char* prop_kind = NULL;
switch (node->properties()->at(i)->kind()) {
case ObjectLiteral::Property::CONSTANT:
prop_kind = "PROPERTY - CONSTANT";
break;
case ObjectLiteral::Property::COMPUTED:
prop_kind = "PROPERTY - COMPUTED";
break;
case ObjectLiteral::Property::MATERIALIZED_LITERAL:
prop_kind = "PROPERTY - MATERIALIZED_LITERAL";
break;
case ObjectLiteral::Property::PROTOTYPE:
prop_kind = "PROPERTY - PROTOTYPE";
break;
case ObjectLiteral::Property::GETTER:
prop_kind = "PROPERTY - GETTER";
break;
case ObjectLiteral::Property::SETTER:
prop_kind = "PROPERTY - SETTER";
break;
default:
UNREACHABLE();
}
IndentedScope prop(this, prop_kind);
PrintIndentedVisit("KEY", node->properties()->at(i)->key());
PrintIndentedVisit("VALUE", node->properties()->at(i)->value());
}
}
void AstPrinter::VisitArrayLiteral(ArrayLiteral* node) {
IndentedScope indent(this, "ARRAY LITERAL");
if (node->values()->length() > 0) {
IndentedScope indent(this, "VALUES");
for (int i = 0; i < node->values()->length(); i++) {
Visit(node->values()->at(i));
}
}
}
void AstPrinter::VisitVariableProxy(VariableProxy* node) {
Variable* var = node->var();
EmbeddedVector<char, 128> buf;
int pos = OS::SNPrintF(buf, "VAR PROXY");
switch (var->location()) {
case Variable::UNALLOCATED:
break;
case Variable::PARAMETER:
OS::SNPrintF(buf + pos, " parameter[%d]", var->index());
break;
case Variable::LOCAL:
OS::SNPrintF(buf + pos, " local[%d]", var->index());
break;
case Variable::CONTEXT:
OS::SNPrintF(buf + pos, " context[%d]", var->index());
break;
case Variable::LOOKUP:
OS::SNPrintF(buf + pos, " lookup");
break;
}
PrintLiteralWithModeIndented(buf.start(), var, node->name());
}
void AstPrinter::VisitAssignment(Assignment* node) {
IndentedScope indent(this, Token::Name(node->op()), node);
Visit(node->target());
Visit(node->value());
}
void AstPrinter::VisitThrow(Throw* node) {
PrintIndentedVisit("THROW", node->exception());
}
void AstPrinter::VisitProperty(Property* node) {
IndentedScope indent(this, "PROPERTY", node);
Visit(node->obj());
Literal* literal = node->key()->AsLiteral();
if (literal != NULL && literal->handle()->IsSymbol()) {
PrintLiteralIndented("NAME", literal->handle(), false);
} else {
PrintIndentedVisit("KEY", node->key());
}
}
void AstPrinter::VisitCall(Call* node) {
IndentedScope indent(this, "CALL");
Visit(node->expression());
PrintArguments(node->arguments());
}
void AstPrinter::VisitCallNew(CallNew* node) {
IndentedScope indent(this, "CALL NEW");
Visit(node->expression());
PrintArguments(node->arguments());
}
void AstPrinter::VisitCallRuntime(CallRuntime* node) {
PrintLiteralIndented("CALL RUNTIME ", node->name(), false);
IndentedScope indent(this);
PrintArguments(node->arguments());
}
void AstPrinter::VisitUnaryOperation(UnaryOperation* node) {
PrintIndentedVisit(Token::Name(node->op()), node->expression());
}
void AstPrinter::VisitCountOperation(CountOperation* node) {
EmbeddedVector<char, 128> buf;
OS::SNPrintF(buf, "%s %s", (node->is_prefix() ? "PRE" : "POST"),
Token::Name(node->op()));
PrintIndentedVisit(buf.start(), node->expression());
}
void AstPrinter::VisitBinaryOperation(BinaryOperation* node) {
IndentedScope indent(this, Token::Name(node->op()), node);
Visit(node->left());
Visit(node->right());
}
void AstPrinter::VisitCompareOperation(CompareOperation* node) {
IndentedScope indent(this, Token::Name(node->op()), node);
Visit(node->left());
Visit(node->right());
}
void AstPrinter::VisitThisFunction(ThisFunction* node) {
IndentedScope indent(this, "THIS-FUNCTION");
}
#endif // DEBUG
} } // namespace v8::internal