4619 lines
189 KiB
TypeScript
4619 lines
189 KiB
TypeScript
//// [parserRealSource11.ts]
|
|
// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0.
|
|
// See LICENSE.txt in the project root for complete license information.
|
|
|
|
///<reference path='typescript.ts' />
|
|
|
|
module TypeScript {
|
|
export class ASTSpan {
|
|
public minChar: number = -1; // -1 = "undefined" or "compiler generated"
|
|
public limChar: number = -1; // -1 = "undefined" or "compiler generated"
|
|
}
|
|
|
|
export class AST extends ASTSpan {
|
|
public type: Type = null;
|
|
public flags = ASTFlags.Writeable;
|
|
|
|
// REVIEW: for diagnostic purposes
|
|
public passCreated: number = CompilerDiagnostics.analysisPass;
|
|
|
|
public preComments: Comment[] = null;
|
|
public postComments: Comment[] = null;
|
|
|
|
public isParenthesized = false;
|
|
|
|
constructor (public nodeType: NodeType) {
|
|
super();
|
|
}
|
|
|
|
public isExpression() { return false; }
|
|
|
|
public isStatementOrExpression() { return false; }
|
|
|
|
public isCompoundStatement() { return false; }
|
|
|
|
public isLeaf() { return this.isStatementOrExpression() && (!this.isCompoundStatement()); }
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Error:
|
|
case NodeType.EmptyExpr:
|
|
this.type = typeFlow.anyType;
|
|
break;
|
|
case NodeType.This:
|
|
return typeFlow.typeCheckThis(this);
|
|
case NodeType.Null:
|
|
this.type = typeFlow.nullType;
|
|
break;
|
|
case NodeType.False:
|
|
case NodeType.True:
|
|
this.type = typeFlow.booleanType;
|
|
break;
|
|
case NodeType.Super:
|
|
return typeFlow.typeCheckSuper(this);
|
|
case NodeType.EndCode:
|
|
case NodeType.Empty:
|
|
case NodeType.Void:
|
|
this.type = typeFlow.voidType;
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
switch (this.nodeType) {
|
|
case NodeType.This:
|
|
emitter.recordSourceMappingStart(this);
|
|
if (emitter.thisFnc && (hasFlag(emitter.thisFnc.fncFlags, FncFlags.IsFatArrowFunction))) {
|
|
emitter.writeToOutput("_this");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("this");
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Null:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("null");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.False:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("false");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.True:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("true");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Super:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitSuperReference();
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.EndCode:
|
|
break;
|
|
case NodeType.Error:
|
|
case NodeType.EmptyExpr:
|
|
break;
|
|
|
|
case NodeType.Empty:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("; ");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Void:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("void ");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public print(context: PrintContext) {
|
|
context.startLine();
|
|
var lineCol = { line: -1, col: -1 };
|
|
var limLineCol = { line: -1, col: -1 };
|
|
if (context.parser !== null) {
|
|
context.parser.getSourceLineCol(lineCol, this.minChar);
|
|
context.parser.getSourceLineCol(limLineCol, this.limChar);
|
|
context.write("(" + lineCol.line + "," + lineCol.col + ")--" +
|
|
"(" + limLineCol.line + "," + limLineCol.col + "): ");
|
|
}
|
|
var lab = this.printLabel();
|
|
if (hasFlag(this.flags, ASTFlags.Error)) {
|
|
lab += " (Error)";
|
|
}
|
|
context.writeLine(lab);
|
|
}
|
|
|
|
public printLabel() {
|
|
if (nodeTypeTable[this.nodeType] !== undefined) {
|
|
return nodeTypeTable[this.nodeType];
|
|
}
|
|
else {
|
|
return (<any>NodeType)._map[this.nodeType];
|
|
}
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
// by default, AST adds itself to current basic block and does not check its children
|
|
context.walker.options.goChildren = false;
|
|
context.addContent(this);
|
|
}
|
|
|
|
public netFreeUses(container: Symbol, freeUses: StringHashTable) {
|
|
}
|
|
|
|
public treeViewLabel() {
|
|
return (<any>NodeType)._map[this.nodeType];
|
|
}
|
|
|
|
public static getResolvedIdentifierName(name: string): string {
|
|
if (!name) return "";
|
|
|
|
var resolved = "";
|
|
var start = 0;
|
|
var i = 0;
|
|
while(i <= name.length - 6) {
|
|
// Look for escape sequence \uxxxx
|
|
if (name.charAt(i) == '\\' && name.charAt(i+1) == 'u') {
|
|
var charCode = parseInt(name.substr(i + 2, 4), 16);
|
|
resolved += name.substr(start, i - start);
|
|
resolved += String.fromCharCode(charCode);
|
|
i += 6;
|
|
start = i;
|
|
continue;
|
|
}
|
|
i++;
|
|
}
|
|
// Append remaining string
|
|
resolved += name.substring(start);
|
|
return resolved;
|
|
}
|
|
}
|
|
|
|
export class IncompleteAST extends AST {
|
|
constructor (min: number, lim: number) {
|
|
super(NodeType.Error);
|
|
|
|
this.minChar = min;
|
|
this.limChar = lim;
|
|
}
|
|
}
|
|
|
|
export class ASTList extends AST {
|
|
public enclosingScope: SymbolScope = null;
|
|
public members: AST[] = new AST[];
|
|
|
|
constructor () {
|
|
super(NodeType.List);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var len = this.members.length;
|
|
for (var i = 0; i < len; i++) {
|
|
if (context.noContinuation) {
|
|
context.addUnreachable(this.members[i]);
|
|
break;
|
|
}
|
|
else {
|
|
this.members[i] = context.walk(this.members[i], this);
|
|
}
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
|
|
public append(ast: AST) {
|
|
this.members[this.members.length] = ast;
|
|
return this;
|
|
}
|
|
|
|
public appendAll(ast: AST) {
|
|
if (ast.nodeType == NodeType.List) {
|
|
var list = <ASTList>ast;
|
|
for (var i = 0, len = list.members.length; i < len; i++) {
|
|
this.append(list.members[i]);
|
|
}
|
|
}
|
|
else {
|
|
this.append(ast);
|
|
}
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptList(this, null, TokenID.Semicolon, startLine, false, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
var len = this.members.length;
|
|
typeFlow.nestingLevel++;
|
|
for (var i = 0; i < len; i++) {
|
|
if (this.members[i]) {
|
|
this.members[i] = this.members[i].typeCheck(typeFlow);
|
|
}
|
|
}
|
|
typeFlow.nestingLevel--;
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class Identifier extends AST {
|
|
public sym: Symbol = null;
|
|
public cloId = -1;
|
|
public text: string;
|
|
|
|
// 'actualText' is the text that the user has entered for the identifier. the text might
|
|
// include any Unicode escape sequences (e.g.: \u0041 for 'A'). 'text', however, contains
|
|
// the resolved value of any escape sequences in the actual text; so in the previous
|
|
// example, actualText = '\u0041', text = 'A'.
|
|
//
|
|
// For purposes of finding a symbol, use text, as this will allow you to match all
|
|
// variations of the variable text. For full-fidelity translation of the user input, such
|
|
// as emitting, use the actualText field.
|
|
//
|
|
// Note:
|
|
// To change text, and to avoid running into a situation where 'actualText' does not
|
|
// match 'text', always use setText.
|
|
constructor (public actualText: string, public hasEscapeSequence?: boolean) {
|
|
super(NodeType.Name);
|
|
this.setText(actualText, hasEscapeSequence);
|
|
}
|
|
|
|
public setText(actualText: string, hasEscapeSequence?: boolean) {
|
|
this.actualText = actualText;
|
|
if (hasEscapeSequence) {
|
|
this.text = AST.getResolvedIdentifierName(actualText);
|
|
}
|
|
else {
|
|
this.text = actualText;
|
|
}
|
|
}
|
|
|
|
public isMissing() { return false; }
|
|
public isLeaf() { return true; }
|
|
|
|
public treeViewLabel() {
|
|
return "id: " + this.actualText;
|
|
}
|
|
|
|
public printLabel() {
|
|
if (this.actualText) {
|
|
return "id: " + this.actualText;
|
|
}
|
|
else {
|
|
return "name node";
|
|
}
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckName(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitJavascriptName(this, true);
|
|
}
|
|
|
|
public static fromToken(token: Token): Identifier {
|
|
return new Identifier(token.getText(), (<IdentifierToken>token).hasEscapeSequence);
|
|
}
|
|
}
|
|
|
|
export class MissingIdentifier extends Identifier {
|
|
constructor () {
|
|
super("__missing");
|
|
}
|
|
|
|
public isMissing() {
|
|
return true;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
// Emit nothing for a missing ID
|
|
}
|
|
}
|
|
|
|
export class Label extends AST {
|
|
constructor (public id: Identifier) {
|
|
super(NodeType.Label);
|
|
}
|
|
|
|
public printLabel() { return this.id.actualText + ":"; }
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.recordSourceMappingStart(this.id);
|
|
emitter.writeToOutput(this.id.actualText);
|
|
emitter.recordSourceMappingEnd(this.id);
|
|
emitter.writeLineToOutput(":");
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class Expression extends AST {
|
|
constructor (nodeType: NodeType) {
|
|
super(nodeType);
|
|
}
|
|
|
|
public isExpression() { return true; }
|
|
|
|
public isStatementOrExpression() { return true; }
|
|
}
|
|
|
|
export class UnaryExpression extends Expression {
|
|
public targetType: Type = null; // Target type for an object literal (null if no target type)
|
|
public castTerm: AST = null;
|
|
|
|
constructor (nodeType: NodeType, public operand: AST) {
|
|
super(nodeType);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
super.addToControlFlow(context);
|
|
// TODO: add successor as catch block/finally block if present
|
|
if (this.nodeType == NodeType.Throw) {
|
|
context.returnStmt();
|
|
}
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Not:
|
|
return typeFlow.typeCheckBitNot(this);
|
|
|
|
case NodeType.LogNot:
|
|
return typeFlow.typeCheckLogNot(this);
|
|
|
|
case NodeType.Pos:
|
|
case NodeType.Neg:
|
|
return typeFlow.typeCheckUnaryNumberOperator(this);
|
|
|
|
case NodeType.IncPost:
|
|
case NodeType.IncPre:
|
|
case NodeType.DecPost:
|
|
case NodeType.DecPre:
|
|
return typeFlow.typeCheckIncOrDec(this);
|
|
|
|
case NodeType.ArrayLit:
|
|
typeFlow.typeCheckArrayLit(this);
|
|
return this;
|
|
|
|
case NodeType.ObjectLit:
|
|
typeFlow.typeCheckObjectLit(this);
|
|
return this;
|
|
|
|
case NodeType.Throw:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
|
|
case NodeType.Typeof:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.stringType;
|
|
return this;
|
|
|
|
case NodeType.Delete:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.booleanType;
|
|
break;
|
|
|
|
case NodeType.TypeAssertion:
|
|
this.castTerm = typeFlow.typeCheck(this.castTerm);
|
|
var applyTargetType = !this.operand.isParenthesized;
|
|
|
|
var targetType = applyTargetType ? this.castTerm.type : null;
|
|
|
|
typeFlow.checker.typeCheckWithContextualType(targetType, typeFlow.checker.inProvisionalTypecheckMode(), true, this.operand);
|
|
typeFlow.castWithCoercion(this.operand, this.castTerm.type, false, true);
|
|
this.type = this.castTerm.type;
|
|
return this;
|
|
|
|
case NodeType.Void:
|
|
// REVIEW - Although this is good to do for completeness's sake,
|
|
// this shouldn't be strictly necessary from the void operator's
|
|
// point of view
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.checker.undefinedType;
|
|
break;
|
|
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
switch (this.nodeType) {
|
|
case NodeType.IncPost:
|
|
emitter.emitJavascript(this.operand, TokenID.PlusPlus, false);
|
|
emitter.writeToOutput("++");
|
|
break;
|
|
case NodeType.LogNot:
|
|
emitter.writeToOutput("!");
|
|
emitter.emitJavascript(this.operand, TokenID.Exclamation, false);
|
|
break;
|
|
case NodeType.DecPost:
|
|
emitter.emitJavascript(this.operand, TokenID.MinusMinus, false);
|
|
emitter.writeToOutput("--");
|
|
break;
|
|
case NodeType.ObjectLit:
|
|
emitter.emitObjectLiteral(<ASTList>this.operand);
|
|
break;
|
|
case NodeType.ArrayLit:
|
|
emitter.emitArrayLiteral(<ASTList>this.operand);
|
|
break;
|
|
case NodeType.Not:
|
|
emitter.writeToOutput("~");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Neg:
|
|
emitter.writeToOutput("-");
|
|
if (this.operand.nodeType == NodeType.Neg) {
|
|
this.operand.isParenthesized = true;
|
|
}
|
|
emitter.emitJavascript(this.operand, TokenID.Minus, false);
|
|
break;
|
|
case NodeType.Pos:
|
|
emitter.writeToOutput("+");
|
|
if (this.operand.nodeType == NodeType.Pos) {
|
|
this.operand.isParenthesized = true;
|
|
}
|
|
emitter.emitJavascript(this.operand, TokenID.Plus, false);
|
|
break;
|
|
case NodeType.IncPre:
|
|
emitter.writeToOutput("++");
|
|
emitter.emitJavascript(this.operand, TokenID.PlusPlus, false);
|
|
break;
|
|
case NodeType.DecPre:
|
|
emitter.writeToOutput("--");
|
|
emitter.emitJavascript(this.operand, TokenID.MinusMinus, false);
|
|
break;
|
|
case NodeType.Throw:
|
|
emitter.writeToOutput("throw ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
emitter.writeToOutput(";");
|
|
break;
|
|
case NodeType.Typeof:
|
|
emitter.writeToOutput("typeof ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Delete:
|
|
emitter.writeToOutput("delete ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Void:
|
|
emitter.writeToOutput("void ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.TypeAssertion:
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class CallExpression extends Expression {
|
|
constructor (nodeType: NodeType,
|
|
public target: AST,
|
|
public arguments: ASTList) {
|
|
super(nodeType);
|
|
this.minChar = this.target.minChar;
|
|
}
|
|
|
|
public signature: Signature = null;
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
if (this.nodeType == NodeType.New) {
|
|
return typeFlow.typeCheckNew(this);
|
|
}
|
|
else {
|
|
return typeFlow.typeCheckCall(this);
|
|
}
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
|
|
if (this.nodeType == NodeType.New) {
|
|
emitter.emitNew(this.target, this.arguments);
|
|
}
|
|
else {
|
|
emitter.emitCall(this, this.target, this.arguments);
|
|
}
|
|
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class BinaryExpression extends Expression {
|
|
constructor (nodeType: NodeType, public operand1: AST, public operand2: AST) {
|
|
super(nodeType);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Dot:
|
|
return typeFlow.typeCheckDotOperator(this);
|
|
case NodeType.Asg:
|
|
return typeFlow.typeCheckAsgOperator(this);
|
|
case NodeType.Add:
|
|
case NodeType.Sub:
|
|
case NodeType.Mul:
|
|
case NodeType.Div:
|
|
case NodeType.Mod:
|
|
case NodeType.Or:
|
|
case NodeType.And:
|
|
return typeFlow.typeCheckArithmeticOperator(this, false);
|
|
case NodeType.Xor:
|
|
return typeFlow.typeCheckBitwiseOperator(this, false);
|
|
case NodeType.Ne:
|
|
case NodeType.Eq:
|
|
var text: string;
|
|
if (typeFlow.checker.styleSettings.eqeqeq) {
|
|
text = nodeTypeTable[this.nodeType];
|
|
typeFlow.checker.errorReporter.styleError(this, "use of " + text);
|
|
}
|
|
else if (typeFlow.checker.styleSettings.eqnull) {
|
|
text = nodeTypeTable[this.nodeType];
|
|
if ((this.operand2 !== null) && (this.operand2.nodeType == NodeType.Null)) {
|
|
typeFlow.checker.errorReporter.styleError(this, "use of " + text + " to compare with null");
|
|
}
|
|
}
|
|
case NodeType.Eqv:
|
|
case NodeType.NEqv:
|
|
case NodeType.Lt:
|
|
case NodeType.Le:
|
|
case NodeType.Ge:
|
|
case NodeType.Gt:
|
|
return typeFlow.typeCheckBooleanOperator(this);
|
|
case NodeType.Index:
|
|
return typeFlow.typeCheckIndex(this);
|
|
case NodeType.Member:
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
case NodeType.LogOr:
|
|
return typeFlow.typeCheckLogOr(this);
|
|
case NodeType.LogAnd:
|
|
return typeFlow.typeCheckLogAnd(this);
|
|
case NodeType.AsgAdd:
|
|
case NodeType.AsgSub:
|
|
case NodeType.AsgMul:
|
|
case NodeType.AsgDiv:
|
|
case NodeType.AsgMod:
|
|
case NodeType.AsgOr:
|
|
case NodeType.AsgAnd:
|
|
return typeFlow.typeCheckArithmeticOperator(this, true);
|
|
case NodeType.AsgXor:
|
|
return typeFlow.typeCheckBitwiseOperator(this, true);
|
|
case NodeType.Lsh:
|
|
case NodeType.Rsh:
|
|
case NodeType.Rs2:
|
|
return typeFlow.typeCheckShift(this, false);
|
|
case NodeType.AsgLsh:
|
|
case NodeType.AsgRsh:
|
|
case NodeType.AsgRs2:
|
|
return typeFlow.typeCheckShift(this, true);
|
|
case NodeType.Comma:
|
|
return typeFlow.typeCheckCommaOperator(this);
|
|
case NodeType.InstOf:
|
|
return typeFlow.typeCheckInstOf(this);
|
|
case NodeType.In:
|
|
return typeFlow.typeCheckInOperator(this);
|
|
case NodeType.From:
|
|
typeFlow.checker.errorReporter.simpleError(this, "Illegal use of 'from' keyword in binary expression");
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
var binTokenId = nodeTypeToTokTable[this.nodeType];
|
|
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (binTokenId != undefined) {
|
|
|
|
emitter.emitJavascript(this.operand1, binTokenId, false);
|
|
|
|
if (tokenTable[binTokenId].text == "instanceof") {
|
|
emitter.writeToOutput(" instanceof ");
|
|
}
|
|
else if (tokenTable[binTokenId].text == "in") {
|
|
emitter.writeToOutput(" in ");
|
|
}
|
|
else {
|
|
emitter.writeToOutputTrimmable(" " + tokenTable[binTokenId].text + " ");
|
|
}
|
|
|
|
emitter.emitJavascript(this.operand2, binTokenId, false);
|
|
}
|
|
else {
|
|
switch (this.nodeType) {
|
|
case NodeType.Dot:
|
|
if (!emitter.tryEmitConstant(this)) {
|
|
emitter.emitJavascript(this.operand1, TokenID.Dot, false);
|
|
emitter.writeToOutput(".");
|
|
emitter.emitJavascriptName(<Identifier>this.operand2, false);
|
|
}
|
|
break;
|
|
case NodeType.Index:
|
|
emitter.emitIndex(this.operand1, this.operand2);
|
|
break;
|
|
|
|
case NodeType.Member:
|
|
if (this.operand2.nodeType == NodeType.FuncDecl && (<FuncDecl>this.operand2).isAccessor()) {
|
|
var funcDecl = <FuncDecl>this.operand2;
|
|
if (hasFlag(funcDecl.fncFlags, FncFlags.GetAccessor)) {
|
|
emitter.writeToOutput("get ");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("set ");
|
|
}
|
|
emitter.emitJavascript(this.operand1, TokenID.Colon, false);
|
|
}
|
|
else {
|
|
emitter.emitJavascript(this.operand1, TokenID.Colon, false);
|
|
emitter.writeToOutputTrimmable(": ");
|
|
}
|
|
emitter.emitJavascript(this.operand2, TokenID.Comma, false);
|
|
break;
|
|
case NodeType.Comma:
|
|
emitter.emitJavascript(this.operand1, TokenID.Comma, false);
|
|
if (emitter.emitState.inObjectLiteral) {
|
|
emitter.writeLineToOutput(", ");
|
|
}
|
|
else {
|
|
emitter.writeToOutput(",");
|
|
}
|
|
emitter.emitJavascript(this.operand2, TokenID.Comma, false);
|
|
break;
|
|
case NodeType.Is:
|
|
throw new Error("should be de-sugared during type check");
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class ConditionalExpression extends Expression {
|
|
constructor (public operand1: AST,
|
|
public operand2: AST,
|
|
public operand3: AST) {
|
|
super(NodeType.ConditionalExpression);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckQMark(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.operand1, TokenID.Question, false);
|
|
emitter.writeToOutput(" ? ");
|
|
emitter.emitJavascript(this.operand2, TokenID.Question, false);
|
|
emitter.writeToOutput(" : ");
|
|
emitter.emitJavascript(this.operand3, TokenID.Question, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class NumberLiteral extends Expression {
|
|
constructor (public value: number, public hasEmptyFraction?: boolean) {
|
|
super(NodeType.NumberLit);
|
|
}
|
|
|
|
public isNegativeZero = false;
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.type = typeFlow.doubleType;
|
|
return this;
|
|
}
|
|
|
|
public treeViewLabel() {
|
|
return "num: " + this.printLabel();
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.isNegativeZero) {
|
|
emitter.writeToOutput("-");
|
|
}
|
|
|
|
emitter.writeToOutput(this.value.toString());
|
|
|
|
if (this.hasEmptyFraction)
|
|
emitter.writeToOutput(".0");
|
|
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public printLabel() {
|
|
if (Math.floor(this.value) != this.value) {
|
|
return this.value.toFixed(2).toString();
|
|
}
|
|
else if (this.hasEmptyFraction) {
|
|
return this.value.toString() + ".0";
|
|
}
|
|
else {
|
|
return this.value.toString();
|
|
}
|
|
}
|
|
}
|
|
|
|
export class RegexLiteral extends Expression {
|
|
constructor (public regex) {
|
|
super(NodeType.Regex);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.type = typeFlow.regexType;
|
|
return this;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(this.regex.toString());
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class StringLiteral extends Expression {
|
|
constructor (public text: string) {
|
|
super(NodeType.QString);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitStringLiteral(this.text);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.type = typeFlow.stringType;
|
|
return this;
|
|
}
|
|
|
|
public treeViewLabel() {
|
|
return "st: " + this.text;
|
|
}
|
|
|
|
public printLabel() {
|
|
return this.text;
|
|
}
|
|
}
|
|
|
|
export class ModuleElement extends AST {
|
|
constructor (nodeType: NodeType) {
|
|
super(nodeType);
|
|
}
|
|
}
|
|
|
|
export class ImportDeclaration extends ModuleElement {
|
|
public isStatementOrExpression() { return true; }
|
|
public varFlags = VarFlags.None;
|
|
public isDynamicImport = false;
|
|
|
|
constructor (public id: Identifier, public alias: AST) {
|
|
super(NodeType.ImportDeclaration);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
var mod = <ModuleType>this.alias.type;
|
|
// REVIEW: Only modules may be aliased for now, though there's no real
|
|
// restriction on what the type symbol may be
|
|
if (!this.isDynamicImport || (this.id.sym && !(<TypeSymbol>this.id.sym).onlyReferencedAsTypeRef)) {
|
|
var prevModAliasId = emitter.modAliasId;
|
|
var prevFirstModAlias = emitter.firstModAlias;
|
|
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.writeToOutput("var " + this.id.actualText + " = ");
|
|
emitter.modAliasId = this.id.actualText;
|
|
emitter.firstModAlias = this.firstAliasedModToString();
|
|
emitter.emitJavascript(this.alias, TokenID.Tilde, false);
|
|
// the dynamic import case will insert the semi-colon automatically
|
|
if (!this.isDynamicImport) {
|
|
emitter.writeToOutput(";");
|
|
}
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
|
|
emitter.modAliasId = prevModAliasId;
|
|
emitter.firstModAlias = prevFirstModAlias;
|
|
}
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckImportDecl(this);
|
|
}
|
|
|
|
public getAliasName(aliasAST?: AST = this.alias) : string {
|
|
if (aliasAST.nodeType == NodeType.Name) {
|
|
return (<Identifier>aliasAST).actualText;
|
|
} else {
|
|
var dotExpr = <BinaryExpression>aliasAST;
|
|
return this.getAliasName(dotExpr.operand1) + "." + this.getAliasName(dotExpr.operand2);
|
|
}
|
|
}
|
|
|
|
public firstAliasedModToString() {
|
|
if (this.alias.nodeType == NodeType.Name) {
|
|
return (<Identifier>this.alias).actualText;
|
|
}
|
|
else {
|
|
var dotExpr = <BinaryExpression>this.alias;
|
|
var firstMod = <Identifier>dotExpr.operand1;
|
|
return firstMod.actualText;
|
|
}
|
|
}
|
|
}
|
|
|
|
export class BoundDecl extends AST {
|
|
public init: AST = null;
|
|
public typeExpr: AST = null;
|
|
public varFlags = VarFlags.None;
|
|
public sym: Symbol = null;
|
|
|
|
constructor (public id: Identifier, nodeType: NodeType, public nestingLevel: number) {
|
|
super(nodeType);
|
|
}
|
|
|
|
public isStatementOrExpression() { return true; }
|
|
|
|
public isPrivate() { return hasFlag(this.varFlags, VarFlags.Private); }
|
|
public isPublic() { return hasFlag(this.varFlags, VarFlags.Public); }
|
|
public isProperty() { return hasFlag(this.varFlags, VarFlags.Property); }
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckBoundDecl(this);
|
|
}
|
|
|
|
public printLabel() {
|
|
return this.treeViewLabel();
|
|
}
|
|
}
|
|
|
|
export class VarDecl extends BoundDecl {
|
|
constructor (id: Identifier, nest: number) {
|
|
super(id, NodeType.VarDecl, nest);
|
|
}
|
|
|
|
public isAmbient() { return hasFlag(this.varFlags, VarFlags.Ambient); }
|
|
public isExported() { return hasFlag(this.varFlags, VarFlags.Exported); }
|
|
public isStatic() { return hasFlag(this.varFlags, VarFlags.Static); }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitJavascriptVarDecl(this, tokenId);
|
|
}
|
|
|
|
public treeViewLabel() {
|
|
return "var " + this.id.actualText;
|
|
}
|
|
}
|
|
|
|
export class ArgDecl extends BoundDecl {
|
|
constructor (id: Identifier) {
|
|
super(id, NodeType.ArgDecl, 0);
|
|
}
|
|
|
|
public isOptional = false;
|
|
|
|
public isOptionalArg() { return this.isOptional || this.init; }
|
|
|
|
public treeViewLabel() {
|
|
return "arg: " + this.id.actualText;
|
|
}
|
|
|
|
public parameterPropertySym: FieldSymbol = null;
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(this.id.actualText);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
var internalId = 0;
|
|
|
|
export class FuncDecl extends AST {
|
|
public hint: string = null;
|
|
public fncFlags = FncFlags.None;
|
|
public returnTypeAnnotation: AST = null;
|
|
public symbols: IHashTable;
|
|
public variableArgList = false;
|
|
public signature: Signature;
|
|
public envids: Identifier[];
|
|
public jumpRefs: Identifier[] = null;
|
|
public internalNameCache: string = null;
|
|
public tmp1Declared = false;
|
|
public enclosingFnc: FuncDecl = null;
|
|
public freeVariables: Symbol[] = [];
|
|
public unitIndex = -1;
|
|
public classDecl: NamedDeclaration = null;
|
|
public boundToProperty: VarDecl = null;
|
|
public isOverload = false;
|
|
public innerStaticFuncs: FuncDecl[] = [];
|
|
public isTargetTypedAsMethod = false;
|
|
public isInlineCallLiteral = false;
|
|
public accessorSymbol: Symbol = null;
|
|
public leftCurlyCount = 0;
|
|
public rightCurlyCount = 0;
|
|
public returnStatementsWithExpressions: ReturnStatement[] = [];
|
|
public scopeType: Type = null; // Type of the FuncDecl, before target typing
|
|
public endingToken: ASTSpan = null;
|
|
|
|
constructor (public name: Identifier, public bod: ASTList, public isConstructor: boolean,
|
|
public arguments: ASTList, public vars: ASTList, public scopes: ASTList, public statics: ASTList,
|
|
nodeType: number) {
|
|
|
|
super(nodeType);
|
|
}
|
|
|
|
public internalName(): string {
|
|
if (this.internalNameCache == null) {
|
|
var extName = this.getNameText();
|
|
if (extName) {
|
|
this.internalNameCache = "_internal_" + extName;
|
|
}
|
|
else {
|
|
this.internalNameCache = "_internal_" + internalId++;
|
|
}
|
|
}
|
|
return this.internalNameCache;
|
|
}
|
|
|
|
public hasSelfReference() { return hasFlag(this.fncFlags, FncFlags.HasSelfReference); }
|
|
public setHasSelfReference() { this.fncFlags |= FncFlags.HasSelfReference; }
|
|
|
|
public addCloRef(id: Identifier, sym: Symbol): number {
|
|
if (this.envids == null) {
|
|
this.envids = new Identifier[];
|
|
}
|
|
this.envids[this.envids.length] = id;
|
|
var outerFnc = this.enclosingFnc;
|
|
if (sym) {
|
|
while (outerFnc && (outerFnc.type.symbol != sym.container)) {
|
|
outerFnc.addJumpRef(sym);
|
|
outerFnc = outerFnc.enclosingFnc;
|
|
}
|
|
}
|
|
return this.envids.length - 1;
|
|
}
|
|
|
|
public addJumpRef(sym: Symbol): void {
|
|
if (this.jumpRefs == null) {
|
|
this.jumpRefs = new Identifier[];
|
|
}
|
|
var id = new Identifier(sym.name);
|
|
this.jumpRefs[this.jumpRefs.length] = id;
|
|
id.sym = sym;
|
|
id.cloId = this.addCloRef(id, null);
|
|
}
|
|
|
|
public buildControlFlow(): ControlFlowContext {
|
|
var entry = new BasicBlock();
|
|
var exit = new BasicBlock();
|
|
|
|
var context = new ControlFlowContext(entry, exit);
|
|
|
|
var controlFlowPrefix = (ast: AST, parent: AST, walker: IAstWalker) => {
|
|
ast.addToControlFlow(walker.state);
|
|
return ast;
|
|
}
|
|
|
|
var walker = getAstWalkerFactory().getWalker(controlFlowPrefix, null, null, context);
|
|
context.walker = walker;
|
|
walker.walk(this.bod, this);
|
|
|
|
return context;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckFunction(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitJavascriptFunction(this);
|
|
}
|
|
|
|
public getNameText() {
|
|
if (this.name) {
|
|
return this.name.actualText;
|
|
}
|
|
else {
|
|
return this.hint;
|
|
}
|
|
}
|
|
|
|
public isMethod() {
|
|
return (this.fncFlags & FncFlags.Method) != FncFlags.None;
|
|
}
|
|
|
|
public isCallMember() { return hasFlag(this.fncFlags, FncFlags.CallMember); }
|
|
public isConstructMember() { return hasFlag(this.fncFlags, FncFlags.ConstructMember); }
|
|
public isIndexerMember() { return hasFlag(this.fncFlags, FncFlags.IndexerMember); }
|
|
public isSpecialFn() { return this.isCallMember() || this.isIndexerMember() || this.isConstructMember(); }
|
|
public isAnonymousFn() { return this.name === null; }
|
|
public isAccessor() { return hasFlag(this.fncFlags, FncFlags.GetAccessor) || hasFlag(this.fncFlags, FncFlags.SetAccessor); }
|
|
public isGetAccessor() { return hasFlag(this.fncFlags, FncFlags.GetAccessor); }
|
|
public isSetAccessor() { return hasFlag(this.fncFlags, FncFlags.SetAccessor); }
|
|
public isAmbient() { return hasFlag(this.fncFlags, FncFlags.Ambient); }
|
|
public isExported() { return hasFlag(this.fncFlags, FncFlags.Exported); }
|
|
public isPrivate() { return hasFlag(this.fncFlags, FncFlags.Private); }
|
|
public isPublic() { return hasFlag(this.fncFlags, FncFlags.Public); }
|
|
public isStatic() { return hasFlag(this.fncFlags, FncFlags.Static); }
|
|
|
|
public treeViewLabel() {
|
|
if (this.name == null) {
|
|
return "funcExpr";
|
|
}
|
|
else {
|
|
return "func: " + this.name.actualText
|
|
}
|
|
}
|
|
|
|
public ClearFlags(): void {
|
|
this.fncFlags = FncFlags.None;
|
|
}
|
|
|
|
public isSignature() { return (this.fncFlags & FncFlags.Signature) != FncFlags.None; }
|
|
|
|
public hasStaticDeclarations() { return (!this.isConstructor && (this.statics.members.length > 0 || this.innerStaticFuncs.length > 0)); }
|
|
}
|
|
|
|
export class LocationInfo {
|
|
constructor (public filename: string, public lineMap: number[], public unitIndex) { }
|
|
}
|
|
|
|
export var unknownLocationInfo = new LocationInfo("unknown", null, -1);
|
|
|
|
export class Script extends FuncDecl {
|
|
public locationInfo: LocationInfo = null;
|
|
public referencedFiles: IFileReference[] = [];
|
|
public requiresGlobal = false;
|
|
public requiresInherits = false;
|
|
public isResident = false;
|
|
public isDeclareFile = false;
|
|
public hasBeenTypeChecked = false;
|
|
public topLevelMod: ModuleDeclaration = null;
|
|
public leftCurlyCount = 0;
|
|
public rightCurlyCount = 0;
|
|
public vars: ASTList;
|
|
public scopes: ASTList;
|
|
// Remember if the script contains Unicode chars, that is needed when generating code for this script object to decide the output file correct encoding.
|
|
public containsUnicodeChar = false;
|
|
public containsUnicodeCharInComment = false;
|
|
|
|
constructor (vars: ASTList, scopes: ASTList) {
|
|
super(new Identifier("script"), null, false, null, vars, scopes, null, NodeType.Script);
|
|
this.vars = vars;
|
|
this.scopes = scopes;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckScript(this);
|
|
}
|
|
|
|
public treeViewLabel() {
|
|
return "Script";
|
|
}
|
|
|
|
public emitRequired() {
|
|
if (!this.isDeclareFile && !this.isResident && this.bod) {
|
|
for (var i = 0, len = this.bod.members.length; i < len; i++) {
|
|
var stmt = this.bod.members[i];
|
|
if (stmt.nodeType == NodeType.ModuleDeclaration) {
|
|
if (!hasFlag((<ModuleDeclaration>stmt).modFlags, ModuleFlags.ShouldEmitModuleDecl | ModuleFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.ClassDeclaration) {
|
|
if (!hasFlag((<InterfaceDeclaration>stmt).varFlags, VarFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.VarDecl) {
|
|
if (!hasFlag((<VarDecl>stmt).varFlags, VarFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.FuncDecl) {
|
|
if (!(<FuncDecl>stmt).isSignature()) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType != NodeType.InterfaceDeclaration && stmt.nodeType != NodeType.Empty) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
if (this.emitRequired()) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptList(this.bod, null, TokenID.Semicolon, true, false, false, true, this.requiresInherits);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
export class NamedDeclaration extends ModuleElement {
|
|
public leftCurlyCount = 0;
|
|
public rightCurlyCount = 0;
|
|
|
|
constructor (nodeType: NodeType,
|
|
public name: Identifier,
|
|
public members: ASTList) {
|
|
super(nodeType);
|
|
}
|
|
}
|
|
|
|
export class ModuleDeclaration extends NamedDeclaration {
|
|
public modFlags = ModuleFlags.ShouldEmitModuleDecl;
|
|
public mod: ModuleType;
|
|
public prettyName: string;
|
|
public amdDependencies: string[] = [];
|
|
public vars: ASTList;
|
|
public scopes: ASTList;
|
|
// Remember if the module contains Unicode chars, that is needed for dynamic module as we will generate a file for each.
|
|
public containsUnicodeChar = false;
|
|
public containsUnicodeCharInComment = false;
|
|
|
|
constructor (name: Identifier, members: ASTList, vars: ASTList, scopes: ASTList, public endingToken: ASTSpan) {
|
|
super(NodeType.ModuleDeclaration, name, members);
|
|
|
|
this.vars = vars;
|
|
this.scopes = scopes;
|
|
this.prettyName = this.name.actualText;
|
|
}
|
|
|
|
public isExported() { return hasFlag(this.modFlags, ModuleFlags.Exported); }
|
|
public isAmbient() { return hasFlag(this.modFlags, ModuleFlags.Ambient); }
|
|
public isEnum() { return hasFlag(this.modFlags, ModuleFlags.IsEnum); }
|
|
|
|
public recordNonInterface() {
|
|
this.modFlags &= ~ModuleFlags.ShouldEmitModuleDecl;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckModule(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
if (!hasFlag(this.modFlags, ModuleFlags.ShouldEmitModuleDecl)) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptModule(this);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
export class TypeDeclaration extends NamedDeclaration {
|
|
public varFlags = VarFlags.None;
|
|
|
|
constructor (nodeType: NodeType,
|
|
name: Identifier,
|
|
public extendsList: ASTList,
|
|
public implementsList: ASTList,
|
|
members: ASTList) {
|
|
super(nodeType, name, members);
|
|
}
|
|
|
|
public isExported() {
|
|
return hasFlag(this.varFlags, VarFlags.Exported);
|
|
}
|
|
|
|
public isAmbient() {
|
|
return hasFlag(this.varFlags, VarFlags.Ambient);
|
|
}
|
|
}
|
|
|
|
export class ClassDeclaration extends TypeDeclaration {
|
|
public knownMemberNames: any = {};
|
|
public constructorDecl: FuncDecl = null;
|
|
public constructorNestingLevel = 0;
|
|
public endingToken: ASTSpan = null;
|
|
|
|
constructor (name: Identifier,
|
|
members: ASTList,
|
|
extendsList: ASTList,
|
|
implementsList: ASTList) {
|
|
super(NodeType.ClassDeclaration, name, extendsList, implementsList, members);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckClass(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitJavascriptClass(this);
|
|
}
|
|
}
|
|
|
|
export class InterfaceDeclaration extends TypeDeclaration {
|
|
constructor (name: Identifier,
|
|
members: ASTList,
|
|
extendsList: ASTList,
|
|
implementsList: ASTList) {
|
|
super(NodeType.InterfaceDeclaration, name, extendsList, implementsList, members);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckInterface(this);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
}
|
|
}
|
|
|
|
export class Statement extends ModuleElement {
|
|
constructor (nodeType: NodeType) {
|
|
super(nodeType);
|
|
this.flags |= ASTFlags.IsStatement;
|
|
}
|
|
|
|
public isLoop() { return false; }
|
|
|
|
public isStatementOrExpression() { return true; }
|
|
|
|
public isCompoundStatement() { return this.isLoop(); }
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class LabeledStatement extends Statement {
|
|
constructor (public labels: ASTList, public stmt: AST) {
|
|
super(NodeType.LabeledStatement);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.labels) {
|
|
var labelsLen = this.labels.members.length;
|
|
for (var i = 0; i < labelsLen; i++) {
|
|
this.labels.members[i].emit(emitter, tokenId, startLine);
|
|
}
|
|
}
|
|
this.stmt.emit(emitter, tokenId, true);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
typeFlow.typeCheck(this.labels);
|
|
this.stmt = this.stmt.typeCheck(typeFlow);
|
|
return this;
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
var beforeBB = context.current;
|
|
var bb = new BasicBlock();
|
|
context.current = bb;
|
|
beforeBB.addSuccessor(bb);
|
|
}
|
|
}
|
|
|
|
export class Block extends Statement {
|
|
constructor (public statements: ASTList,
|
|
public isStatementBlock: boolean) {
|
|
super(NodeType.Block);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.isStatementBlock) {
|
|
emitter.writeLineToOutput(" {");
|
|
emitter.indenter.increaseIndent();
|
|
} else {
|
|
emitter.setInVarBlock(this.statements.members.length);
|
|
}
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
if (this.statements) {
|
|
emitter.emitJavascriptList(this.statements, null, TokenID.Semicolon, true, false, false);
|
|
}
|
|
if (this.isStatementBlock) {
|
|
emitter.indenter.decreaseIndent();
|
|
emitter.emitIndent();
|
|
emitter.writeToOutput("}");
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var afterIfNeeded = new BasicBlock();
|
|
context.pushStatement(this, context.current, afterIfNeeded);
|
|
if (this.statements) {
|
|
context.walk(this.statements, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.popStatement();
|
|
if (afterIfNeeded.predecessors.length > 0) {
|
|
context.current.addSuccessor(afterIfNeeded);
|
|
context.current = afterIfNeeded;
|
|
}
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
if (!typeFlow.checker.styleSettings.emptyBlocks) {
|
|
if ((this.statements === null) || (this.statements.members.length == 0)) {
|
|
typeFlow.checker.errorReporter.styleError(this, "empty block");
|
|
}
|
|
}
|
|
|
|
typeFlow.typeCheck(this.statements);
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class Jump extends Statement {
|
|
public target: string = null;
|
|
public hasExplicitTarget() { return (this.target); }
|
|
public resolvedTarget: Statement = null;
|
|
|
|
constructor (nodeType: NodeType) {
|
|
super(nodeType);
|
|
}
|
|
|
|
public setResolvedTarget(parser: Parser, stmt: Statement): boolean {
|
|
if (stmt.isLoop()) {
|
|
this.resolvedTarget = stmt;
|
|
return true;
|
|
}
|
|
if (this.nodeType === NodeType.Continue) {
|
|
parser.reportParseError("continue statement applies only to loops");
|
|
return false;
|
|
}
|
|
else {
|
|
if ((stmt.nodeType == NodeType.Switch) || this.hasExplicitTarget()) {
|
|
this.resolvedTarget = stmt;
|
|
return true;
|
|
}
|
|
else {
|
|
parser.reportParseError("break statement with no label can apply only to a loop or switch statement");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
super.addToControlFlow(context);
|
|
context.unconditionalBranch(this.resolvedTarget, (this.nodeType == NodeType.Continue));
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.nodeType == NodeType.Break) {
|
|
emitter.writeToOutput("break");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("continue");
|
|
}
|
|
if (this.hasExplicitTarget()) {
|
|
emitter.writeToOutput(" " + this.target);
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.writeToOutput(";");
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
|
|
export class WhileStatement extends Statement {
|
|
public body: AST = null;
|
|
|
|
constructor (public cond: AST) {
|
|
super(NodeType.While);
|
|
}
|
|
|
|
public isLoop() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("while(");
|
|
emitter.emitJavascript(this.cond, TokenID.While, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, false, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckWhile(this);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
context.addContent(this.cond);
|
|
var condBlock = context.current;
|
|
var targetInfo: ITargetInfo = null;
|
|
if (this.body) {
|
|
context.current = new BasicBlock();
|
|
condBlock.addSuccessor(context.current);
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
}
|
|
context.current = afterLoop;
|
|
condBlock.addSuccessor(afterLoop);
|
|
// TODO: check for while (true) and then only continue if afterLoop has predecessors
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class DoWhileStatement extends Statement {
|
|
public body: AST = null;
|
|
public whileAST: AST = null;
|
|
public cond: AST = null;
|
|
public isLoop() { return true; }
|
|
|
|
constructor () {
|
|
super(NodeType.DoWhile);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("do");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.recordSourceMappingStart(this.whileAST);
|
|
emitter.writeToOutput("while");
|
|
emitter.recordSourceMappingEnd(this.whileAST);
|
|
emitter.writeToOutput('(');
|
|
emitter.emitJavascript(this.cond, TokenID.CloseParen, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckDoWhile(this);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
var targetInfo: ITargetInfo = null;
|
|
if (this.body) {
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
context.addContent(this.cond);
|
|
// TODO: check for while (true)
|
|
context.current = afterLoop;
|
|
loopEnd.addSuccessor(afterLoop);
|
|
}
|
|
else {
|
|
context.addUnreachable(this.cond);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class IfStatement extends Statement {
|
|
public thenBod: AST;
|
|
public elseBod: AST = null;
|
|
public statement: ASTSpan = new ASTSpan();
|
|
|
|
constructor (public cond: AST) {
|
|
super(NodeType.If);
|
|
}
|
|
|
|
public isCompoundStatement() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("if(");
|
|
emitter.emitJavascript(this.cond, TokenID.If, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascriptStatements(this.thenBod, true, false);
|
|
if (this.elseBod) {
|
|
emitter.writeToOutput(" else");
|
|
emitter.emitJavascriptStatements(this.elseBod, true, true);
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckIf(this);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
this.cond.addToControlFlow(context);
|
|
var afterIf = new BasicBlock();
|
|
var beforeIf = context.current;
|
|
context.pushStatement(this, beforeIf, afterIf);
|
|
var hasContinuation = false;
|
|
context.current = new BasicBlock();
|
|
beforeIf.addSuccessor(context.current);
|
|
context.walk(this.thenBod, this);
|
|
if (!context.noContinuation) {
|
|
hasContinuation = true;
|
|
context.current.addSuccessor(afterIf);
|
|
}
|
|
if (this.elseBod) {
|
|
// current block will be thenBod
|
|
context.current = new BasicBlock();
|
|
context.noContinuation = false;
|
|
beforeIf.addSuccessor(context.current);
|
|
context.walk(this.elseBod, this);
|
|
if (!context.noContinuation) {
|
|
hasContinuation = true;
|
|
context.current.addSuccessor(afterIf);
|
|
}
|
|
else {
|
|
// thenBod created continuation for if statement
|
|
if (hasContinuation) {
|
|
context.noContinuation = false;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
beforeIf.addSuccessor(afterIf);
|
|
context.noContinuation = false;
|
|
hasContinuation = true;
|
|
}
|
|
var targetInfo = context.popStatement();
|
|
if (afterIf.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
hasContinuation = true;
|
|
}
|
|
if (hasContinuation) {
|
|
context.current = afterIf;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class ReturnStatement extends Statement {
|
|
public returnExpression: AST = null;
|
|
|
|
constructor () {
|
|
super(NodeType.Return);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
if (this.returnExpression) {
|
|
emitter.writeToOutput("return ");
|
|
emitter.emitJavascript(this.returnExpression, TokenID.Semicolon, false);
|
|
}
|
|
else {
|
|
emitter.writeToOutput("return;");
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
super.addToControlFlow(context);
|
|
context.returnStmt();
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckReturn(this);
|
|
}
|
|
}
|
|
|
|
export class EndCode extends AST {
|
|
constructor () {
|
|
super(NodeType.EndCode);
|
|
}
|
|
}
|
|
|
|
export class ForInStatement extends Statement {
|
|
constructor (public lval: AST, public obj: AST) {
|
|
super(NodeType.ForIn);
|
|
if (this.lval && (this.lval.nodeType == NodeType.VarDecl)) {
|
|
(<BoundDecl>this.lval).varFlags |= VarFlags.AutoInit;
|
|
}
|
|
}
|
|
public statement: ASTSpan = new ASTSpan();
|
|
public body: AST;
|
|
|
|
public isLoop() { return true; }
|
|
|
|
public isFiltered() {
|
|
if (this.body) {
|
|
var singleItem: AST = null;
|
|
if (this.body.nodeType == NodeType.List) {
|
|
var stmts = <ASTList>this.body;
|
|
if (stmts.members.length == 1) {
|
|
singleItem = stmts.members[0];
|
|
}
|
|
}
|
|
else {
|
|
singleItem = this.body;
|
|
}
|
|
// match template for filtering 'own' properties from obj
|
|
if (singleItem !== null) {
|
|
if (singleItem.nodeType == NodeType.Block) {
|
|
var block = <Block>singleItem;
|
|
if ((block.statements !== null) && (block.statements.members.length == 1)) {
|
|
singleItem = block.statements.members[0];
|
|
}
|
|
}
|
|
if (singleItem.nodeType == NodeType.If) {
|
|
var cond = (<IfStatement>singleItem).cond;
|
|
if (cond.nodeType == NodeType.Call) {
|
|
var target = (<CallExpression>cond).target;
|
|
if (target.nodeType == NodeType.Dot) {
|
|
var binex = <BinaryExpression>target;
|
|
if ((binex.operand1.nodeType == NodeType.Name) &&
|
|
(this.obj.nodeType == NodeType.Name) &&
|
|
((<Identifier>binex.operand1).actualText == (<Identifier>this.obj).actualText)) {
|
|
var prop = <Identifier>binex.operand2;
|
|
if (prop.actualText == "hasOwnProperty") {
|
|
var args = (<CallExpression>cond).arguments;
|
|
if ((args !== null) && (args.members.length == 1)) {
|
|
var arg = args.members[0];
|
|
if ((arg.nodeType == NodeType.Name) &&
|
|
(this.lval.nodeType == NodeType.Name)) {
|
|
if (((<Identifier>this.lval).actualText) == (<Identifier>arg).actualText) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("for(");
|
|
emitter.emitJavascript(this.lval, TokenID.For, false);
|
|
emitter.writeToOutput(" in ");
|
|
emitter.emitJavascript(this.obj, TokenID.For, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
if (typeFlow.checker.styleSettings.forin) {
|
|
if (!this.isFiltered()) {
|
|
typeFlow.checker.errorReporter.styleError(this, "no hasOwnProperty filter");
|
|
}
|
|
}
|
|
return typeFlow.typeCheckForIn(this);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
if (this.lval) {
|
|
context.addContent(this.lval);
|
|
}
|
|
if (this.obj) {
|
|
context.addContent(this.obj);
|
|
}
|
|
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
if (this.body) {
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
}
|
|
context.current = afterLoop;
|
|
context.noContinuation = false;
|
|
loopHeader.addSuccessor(afterLoop);
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class ForStatement extends Statement {
|
|
public cond: AST;
|
|
public body: AST;
|
|
public incr: AST;
|
|
|
|
constructor (public init: AST) {
|
|
super(NodeType.For);
|
|
}
|
|
|
|
public isLoop() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("for(");
|
|
if (this.init) {
|
|
if (this.init.nodeType != NodeType.List) {
|
|
emitter.emitJavascript(this.init, TokenID.For, false);
|
|
}
|
|
else {
|
|
emitter.setInVarBlock((<ASTList>this.init).members.length);
|
|
emitter.emitJavascriptList(this.init, null, TokenID.For, false, false, false);
|
|
}
|
|
}
|
|
emitter.writeToOutput("; ");
|
|
emitter.emitJavascript(this.cond, TokenID.For, false);
|
|
emitter.writeToOutput("; ");
|
|
emitter.emitJavascript(this.incr, TokenID.For, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckFor(this);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext): void {
|
|
if (this.init) {
|
|
context.addContent(this.init);
|
|
}
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
var condBlock: BasicBlock = null;
|
|
var continueTarget = loopStart;
|
|
var incrBB: BasicBlock = null;
|
|
if (this.incr) {
|
|
incrBB = new BasicBlock();
|
|
continueTarget = incrBB;
|
|
}
|
|
if (this.cond) {
|
|
condBlock = context.current;
|
|
context.addContent(this.cond);
|
|
context.current = new BasicBlock();
|
|
condBlock.addSuccessor(context.current);
|
|
}
|
|
var targetInfo: ITargetInfo = null;
|
|
if (this.body) {
|
|
context.pushStatement(this, continueTarget, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (this.incr) {
|
|
if (context.noContinuation) {
|
|
if (incrBB.predecessors.length == 0) {
|
|
context.addUnreachable(this.incr);
|
|
}
|
|
}
|
|
else {
|
|
context.current.addSuccessor(incrBB);
|
|
context.current = incrBB;
|
|
context.addContent(this.incr);
|
|
}
|
|
}
|
|
var loopEnd = context.current;
|
|
if (!(context.noContinuation)) {
|
|
loopEnd.addSuccessor(loopStart);
|
|
|
|
}
|
|
if (condBlock) {
|
|
condBlock.addSuccessor(afterLoop);
|
|
context.noContinuation = false;
|
|
}
|
|
if (afterLoop.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
context.current = afterLoop;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class WithStatement extends Statement {
|
|
public body: AST;
|
|
|
|
public isCompoundStatement() { return true; }
|
|
|
|
public withSym: WithSymbol = null;
|
|
|
|
constructor (public expr: AST) {
|
|
super(NodeType.With);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("with (");
|
|
if (this.expr) {
|
|
emitter.emitJavascript(this.expr, TokenID.With, false);
|
|
}
|
|
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
return typeFlow.typeCheckWith(this);
|
|
}
|
|
}
|
|
|
|
export class SwitchStatement extends Statement {
|
|
public caseList: ASTList;
|
|
public defaultCase: CaseStatement = null;
|
|
public statement: ASTSpan = new ASTSpan();
|
|
|
|
constructor (public val: AST) {
|
|
super(NodeType.Switch);
|
|
}
|
|
|
|
public isCompoundStatement() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("switch(");
|
|
emitter.emitJavascript(this.val, TokenID.Identifier, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.writeLineToOutput(" {");
|
|
emitter.indenter.increaseIndent();
|
|
var casesLen = this.caseList.members.length;
|
|
for (var i = 0; i < casesLen; i++) {
|
|
var caseExpr = this.caseList.members[i];
|
|
emitter.emitJavascript(caseExpr, TokenID.Case, true);
|
|
emitter.writeLineToOutput("");
|
|
}
|
|
emitter.indenter.decreaseIndent();
|
|
emitter.emitIndent();
|
|
emitter.writeToOutput("}");
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
var len = this.caseList.members.length;
|
|
this.val = typeFlow.typeCheck(this.val);
|
|
for (var i = 0; i < len; i++) {
|
|
this.caseList.members[i] = typeFlow.typeCheck(this.caseList.members[i]);
|
|
}
|
|
this.defaultCase = <CaseStatement>typeFlow.typeCheck(this.defaultCase);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
|
|
// if there are break statements that match this switch, then just link cond block with block after switch
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var condBlock = context.current;
|
|
context.addContent(this.val);
|
|
var execBlock = new BasicBlock();
|
|
var afterSwitch = new BasicBlock();
|
|
|
|
condBlock.addSuccessor(execBlock);
|
|
context.pushSwitch(execBlock);
|
|
context.current = execBlock;
|
|
context.pushStatement(this, execBlock, afterSwitch);
|
|
context.walk(this.caseList, this);
|
|
context.popSwitch();
|
|
var targetInfo = context.popStatement();
|
|
var hasCondContinuation = (this.defaultCase == null);
|
|
if (this.defaultCase == null) {
|
|
condBlock.addSuccessor(afterSwitch);
|
|
}
|
|
if (afterSwitch.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
context.current = afterSwitch;
|
|
}
|
|
else {
|
|
context.noContinuation = true;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class CaseStatement extends Statement {
|
|
public expr: AST = null;
|
|
public body: ASTList;
|
|
|
|
constructor () {
|
|
super(NodeType.Case);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.expr) {
|
|
emitter.writeToOutput("case ");
|
|
emitter.emitJavascript(this.expr, TokenID.Identifier, false);
|
|
}
|
|
else {
|
|
emitter.writeToOutput("default");
|
|
}
|
|
emitter.writeToOutput(":");
|
|
emitter.emitJavascriptStatements(this.body, false, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.expr = typeFlow.typeCheck(this.expr);
|
|
typeFlow.typeCheck(this.body);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
|
|
// TODO: more reasoning about unreachable cases (such as duplicate literals as case expressions)
|
|
// for now, assume all cases are reachable, regardless of whether some cases fall through
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var execBlock = new BasicBlock();
|
|
var sw = context.currentSwitch[context.currentSwitch.length - 1];
|
|
// TODO: fall-through from previous (+ to end of switch)
|
|
if (this.expr) {
|
|
var exprBlock = new BasicBlock();
|
|
context.current = exprBlock;
|
|
sw.addSuccessor(exprBlock);
|
|
context.addContent(this.expr);
|
|
exprBlock.addSuccessor(execBlock);
|
|
}
|
|
else {
|
|
sw.addSuccessor(execBlock);
|
|
}
|
|
context.current = execBlock;
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class TypeReference extends AST {
|
|
constructor (public term: AST, public arrayCount: number) {
|
|
super(NodeType.TypeRef);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
throw new Error("should not emit a type ref");
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
var prevInTCTR = typeFlow.inTypeRefTypeCheck;
|
|
typeFlow.inTypeRefTypeCheck = true;
|
|
var typeLink = getTypeLink(this, typeFlow.checker, true);
|
|
typeFlow.checker.resolveTypeLink(typeFlow.scope, typeLink, false);
|
|
|
|
if (this.term) {
|
|
typeFlow.typeCheck(this.term);
|
|
}
|
|
|
|
typeFlow.checkForVoidConstructor(typeLink.type, this);
|
|
|
|
this.type = typeLink.type;
|
|
|
|
// in error recovery cases, there may not be a term
|
|
if (this.term) {
|
|
this.term.type = this.type;
|
|
}
|
|
|
|
typeFlow.inTypeRefTypeCheck = prevInTCTR;
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class TryFinally extends Statement {
|
|
constructor (public tryNode: AST, public finallyNode: Finally) {
|
|
super(NodeType.TryFinally);
|
|
}
|
|
|
|
public isCompoundStatement() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.tryNode, TokenID.Try, false);
|
|
emitter.emitJavascript(this.finallyNode, TokenID.Finally, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.tryNode = typeFlow.typeCheck(this.tryNode);
|
|
this.finallyNode = <Finally>typeFlow.typeCheck(this.finallyNode);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var afterFinally = new BasicBlock();
|
|
context.walk(this.tryNode, this);
|
|
var finBlock = new BasicBlock();
|
|
if (context.current) {
|
|
context.current.addSuccessor(finBlock);
|
|
}
|
|
context.current = finBlock;
|
|
context.pushStatement(this, null, afterFinally);
|
|
context.walk(this.finallyNode, this);
|
|
if (!context.noContinuation && context.current) {
|
|
context.current.addSuccessor(afterFinally);
|
|
}
|
|
if (afterFinally.predecessors.length > 0) {
|
|
context.current = afterFinally;
|
|
}
|
|
else {
|
|
context.noContinuation = true;
|
|
}
|
|
context.popStatement();
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
}
|
|
|
|
export class TryCatch extends Statement {
|
|
constructor (public tryNode: Try, public catchNode: Catch) {
|
|
super(NodeType.TryCatch);
|
|
}
|
|
|
|
public isCompoundStatement() { return true; }
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.tryNode, TokenID.Try, false);
|
|
emitter.emitJavascript(this.catchNode, TokenID.Catch, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
var beforeTry = context.current;
|
|
var tryBlock = new BasicBlock();
|
|
beforeTry.addSuccessor(tryBlock);
|
|
context.current = tryBlock;
|
|
var afterTryCatch = new BasicBlock();
|
|
context.pushStatement(this, null, afterTryCatch);
|
|
context.walk(this.tryNode, this);
|
|
if (!context.noContinuation) {
|
|
if (context.current) {
|
|
context.current.addSuccessor(afterTryCatch);
|
|
}
|
|
}
|
|
context.current = new BasicBlock();
|
|
beforeTry.addSuccessor(context.current);
|
|
context.walk(this.catchNode, this);
|
|
context.popStatement();
|
|
if (!context.noContinuation) {
|
|
if (context.current) {
|
|
context.current.addSuccessor(afterTryCatch);
|
|
}
|
|
}
|
|
context.current = afterTryCatch;
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.tryNode = <Try>typeFlow.typeCheck(this.tryNode);
|
|
this.catchNode = <Catch>typeFlow.typeCheck(this.catchNode);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class Try extends Statement {
|
|
constructor (public body: AST) {
|
|
super(NodeType.Try);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("try ");
|
|
emitter.emitJavascript(this.body, TokenID.Try, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
return this;
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.noContinuation = false;
|
|
}
|
|
}
|
|
|
|
export class Catch extends Statement {
|
|
constructor (public param: VarDecl, public body: AST) {
|
|
super(NodeType.Catch);
|
|
if (this.param) {
|
|
this.param.varFlags |= VarFlags.AutoInit;
|
|
}
|
|
}
|
|
public statement: ASTSpan = new ASTSpan();
|
|
public containedScope: SymbolScope = null;
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(" ");
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("catch (");
|
|
emitter.emitJavascript(this.param, TokenID.OpenParen, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascript(this.body, TokenID.Catch, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
if (this.param) {
|
|
context.addContent(this.param);
|
|
var bodBlock = new BasicBlock();
|
|
context.current.addSuccessor(bodBlock);
|
|
context.current = bodBlock;
|
|
}
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
var prevScope = typeFlow.scope;
|
|
typeFlow.scope = this.containedScope;
|
|
this.param = <VarDecl>typeFlow.typeCheck(this.param);
|
|
var exceptVar = new ValueLocation();
|
|
var varSym = new VariableSymbol((<VarDecl>this.param).id.text,
|
|
this.param.minChar,
|
|
typeFlow.checker.locationInfo.unitIndex,
|
|
exceptVar);
|
|
exceptVar.symbol = varSym;
|
|
exceptVar.typeLink = new TypeLink();
|
|
// var type for now (add syntax for type annotation)
|
|
exceptVar.typeLink.type = typeFlow.anyType;
|
|
var thisFnc = typeFlow.thisFnc;
|
|
if (thisFnc && thisFnc.type) {
|
|
exceptVar.symbol.container = thisFnc.type.symbol;
|
|
}
|
|
else {
|
|
exceptVar.symbol.container = null;
|
|
}
|
|
this.param.sym = exceptVar.symbol;
|
|
typeFlow.scope.enter(exceptVar.symbol.container, this.param, exceptVar.symbol,
|
|
typeFlow.checker.errorReporter, false, false, false);
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
|
|
// if we're in provisional typecheck mode, clean up the symbol entry
|
|
// REVIEW: This is obviously bad form, since we're counting on the internal
|
|
// layout of the symbol table, but this is also the only place where we insert
|
|
// symbols during typecheck
|
|
if (typeFlow.checker.inProvisionalTypecheckMode()) {
|
|
var table = typeFlow.scope.getTable();
|
|
(<any>table).secondaryTable.table[exceptVar.symbol.name] = undefined;
|
|
}
|
|
this.type = typeFlow.voidType;
|
|
typeFlow.scope = prevScope;
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class Finally extends Statement {
|
|
constructor (public body: AST) {
|
|
super(NodeType.Finally);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("finally");
|
|
emitter.emitJavascript(this.body, TokenID.Finally, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
|
|
public addToControlFlow(context: ControlFlowContext) {
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.noContinuation = false;
|
|
}
|
|
|
|
public typeCheck(typeFlow: TypeFlow) {
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
return this;
|
|
}
|
|
}
|
|
|
|
export class Comment extends AST {
|
|
|
|
public text: string[] = null;
|
|
|
|
constructor (public content: string, public isBlockComment: boolean, public endsLine) {
|
|
super(NodeType.Comment);
|
|
}
|
|
|
|
public getText(): string[] {
|
|
if (this.text == null) {
|
|
if (this.isBlockComment) {
|
|
this.text = this.content.split("\n");
|
|
for (var i = 0; i < this.text.length; i++) {
|
|
this.text[i] = this.text[i].replace(/^\s+|\s+$/g, '');
|
|
}
|
|
}
|
|
else {
|
|
this.text = [(this.content.replace(/^\s+|\s+$/g, ''))];
|
|
}
|
|
}
|
|
|
|
return this.text;
|
|
}
|
|
}
|
|
|
|
export class DebuggerStatement extends Statement {
|
|
constructor () {
|
|
super(NodeType.Debugger);
|
|
}
|
|
|
|
public emit(emitter: Emitter, tokenId: TokenID, startLine: boolean) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeLineToOutput("debugger;");
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
//// [parserRealSource11.js]
|
|
// Copyright (c) Microsoft. All rights reserved. Licensed under the Apache License, Version 2.0.
|
|
// See LICENSE.txt in the project root for complete license information.
|
|
var __extends = (this && this.__extends) || function (d, b) {
|
|
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
|
|
function __() { this.constructor = d; }
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|
};
|
|
///<reference path='typescript.ts' />
|
|
var TypeScript;
|
|
(function (TypeScript) {
|
|
var ASTSpan = (function () {
|
|
function ASTSpan() {
|
|
this.minChar = -1; // -1 = "undefined" or "compiler generated"
|
|
this.limChar = -1; // -1 = "undefined" or "compiler generated"
|
|
}
|
|
return ASTSpan;
|
|
})();
|
|
TypeScript.ASTSpan = ASTSpan;
|
|
var AST = (function (_super) {
|
|
__extends(AST, _super);
|
|
function AST(nodeType) {
|
|
_super.call(this);
|
|
this.nodeType = nodeType;
|
|
this.type = null;
|
|
this.flags = ASTFlags.Writeable;
|
|
// REVIEW: for diagnostic purposes
|
|
this.passCreated = CompilerDiagnostics.analysisPass;
|
|
this.preComments = null;
|
|
this.postComments = null;
|
|
this.isParenthesized = false;
|
|
}
|
|
AST.prototype.isExpression = function () { return false; };
|
|
AST.prototype.isStatementOrExpression = function () { return false; };
|
|
AST.prototype.isCompoundStatement = function () { return false; };
|
|
AST.prototype.isLeaf = function () { return this.isStatementOrExpression() && (!this.isCompoundStatement()); };
|
|
AST.prototype.typeCheck = function (typeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Error:
|
|
case NodeType.EmptyExpr:
|
|
this.type = typeFlow.anyType;
|
|
break;
|
|
case NodeType.This:
|
|
return typeFlow.typeCheckThis(this);
|
|
case NodeType.Null:
|
|
this.type = typeFlow.nullType;
|
|
break;
|
|
case NodeType.False:
|
|
case NodeType.True:
|
|
this.type = typeFlow.booleanType;
|
|
break;
|
|
case NodeType.Super:
|
|
return typeFlow.typeCheckSuper(this);
|
|
case NodeType.EndCode:
|
|
case NodeType.Empty:
|
|
case NodeType.Void:
|
|
this.type = typeFlow.voidType;
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
};
|
|
AST.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
switch (this.nodeType) {
|
|
case NodeType.This:
|
|
emitter.recordSourceMappingStart(this);
|
|
if (emitter.thisFnc && (hasFlag(emitter.thisFnc.fncFlags, FncFlags.IsFatArrowFunction))) {
|
|
emitter.writeToOutput("_this");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("this");
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Null:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("null");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.False:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("false");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.True:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("true");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Super:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitSuperReference();
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.EndCode:
|
|
break;
|
|
case NodeType.Error:
|
|
case NodeType.EmptyExpr:
|
|
break;
|
|
case NodeType.Empty:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("; ");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
case NodeType.Void:
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("void ");
|
|
emitter.recordSourceMappingEnd(this);
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
AST.prototype.print = function (context) {
|
|
context.startLine();
|
|
var lineCol = { line: -1, col: -1 };
|
|
var limLineCol = { line: -1, col: -1 };
|
|
if (context.parser !== null) {
|
|
context.parser.getSourceLineCol(lineCol, this.minChar);
|
|
context.parser.getSourceLineCol(limLineCol, this.limChar);
|
|
context.write("(" + lineCol.line + "," + lineCol.col + ")--" +
|
|
"(" + limLineCol.line + "," + limLineCol.col + "): ");
|
|
}
|
|
var lab = this.printLabel();
|
|
if (hasFlag(this.flags, ASTFlags.Error)) {
|
|
lab += " (Error)";
|
|
}
|
|
context.writeLine(lab);
|
|
};
|
|
AST.prototype.printLabel = function () {
|
|
if (nodeTypeTable[this.nodeType] !== undefined) {
|
|
return nodeTypeTable[this.nodeType];
|
|
}
|
|
else {
|
|
return NodeType._map[this.nodeType];
|
|
}
|
|
};
|
|
AST.prototype.addToControlFlow = function (context) {
|
|
// by default, AST adds itself to current basic block and does not check its children
|
|
context.walker.options.goChildren = false;
|
|
context.addContent(this);
|
|
};
|
|
AST.prototype.netFreeUses = function (container, freeUses) {
|
|
};
|
|
AST.prototype.treeViewLabel = function () {
|
|
return NodeType._map[this.nodeType];
|
|
};
|
|
AST.getResolvedIdentifierName = function (name) {
|
|
if (!name)
|
|
return "";
|
|
var resolved = "";
|
|
var start = 0;
|
|
var i = 0;
|
|
while (i <= name.length - 6) {
|
|
// Look for escape sequence \uxxxx
|
|
if (name.charAt(i) == '\\' && name.charAt(i + 1) == 'u') {
|
|
var charCode = parseInt(name.substr(i + 2, 4), 16);
|
|
resolved += name.substr(start, i - start);
|
|
resolved += String.fromCharCode(charCode);
|
|
i += 6;
|
|
start = i;
|
|
continue;
|
|
}
|
|
i++;
|
|
}
|
|
// Append remaining string
|
|
resolved += name.substring(start);
|
|
return resolved;
|
|
};
|
|
return AST;
|
|
})(ASTSpan);
|
|
TypeScript.AST = AST;
|
|
var IncompleteAST = (function (_super) {
|
|
__extends(IncompleteAST, _super);
|
|
function IncompleteAST(min, lim) {
|
|
_super.call(this, NodeType.Error);
|
|
this.minChar = min;
|
|
this.limChar = lim;
|
|
}
|
|
return IncompleteAST;
|
|
})(AST);
|
|
TypeScript.IncompleteAST = IncompleteAST;
|
|
var ASTList = (function (_super) {
|
|
__extends(ASTList, _super);
|
|
function ASTList() {
|
|
_super.call(this, NodeType.List);
|
|
this.enclosingScope = null;
|
|
this.members = new AST[];
|
|
}
|
|
ASTList.prototype.addToControlFlow = function (context) {
|
|
var len = this.members.length;
|
|
for (var i = 0; i < len; i++) {
|
|
if (context.noContinuation) {
|
|
context.addUnreachable(this.members[i]);
|
|
break;
|
|
}
|
|
else {
|
|
this.members[i] = context.walk(this.members[i], this);
|
|
}
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
ASTList.prototype.append = function (ast) {
|
|
this.members[this.members.length] = ast;
|
|
return this;
|
|
};
|
|
ASTList.prototype.appendAll = function (ast) {
|
|
if (ast.nodeType == NodeType.List) {
|
|
var list = ast;
|
|
for (var i = 0, len = list.members.length; i < len; i++) {
|
|
this.append(list.members[i]);
|
|
}
|
|
}
|
|
else {
|
|
this.append(ast);
|
|
}
|
|
return this;
|
|
};
|
|
ASTList.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptList(this, null, TokenID.Semicolon, startLine, false, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
};
|
|
ASTList.prototype.typeCheck = function (typeFlow) {
|
|
var len = this.members.length;
|
|
typeFlow.nestingLevel++;
|
|
for (var i = 0; i < len; i++) {
|
|
if (this.members[i]) {
|
|
this.members[i] = this.members[i].typeCheck(typeFlow);
|
|
}
|
|
}
|
|
typeFlow.nestingLevel--;
|
|
return this;
|
|
};
|
|
return ASTList;
|
|
})(AST);
|
|
TypeScript.ASTList = ASTList;
|
|
var Identifier = (function (_super) {
|
|
__extends(Identifier, _super);
|
|
// 'actualText' is the text that the user has entered for the identifier. the text might
|
|
// include any Unicode escape sequences (e.g.: \u0041 for 'A'). 'text', however, contains
|
|
// the resolved value of any escape sequences in the actual text; so in the previous
|
|
// example, actualText = '\u0041', text = 'A'.
|
|
//
|
|
// For purposes of finding a symbol, use text, as this will allow you to match all
|
|
// variations of the variable text. For full-fidelity translation of the user input, such
|
|
// as emitting, use the actualText field.
|
|
//
|
|
// Note:
|
|
// To change text, and to avoid running into a situation where 'actualText' does not
|
|
// match 'text', always use setText.
|
|
function Identifier(actualText, hasEscapeSequence) {
|
|
_super.call(this, NodeType.Name);
|
|
this.actualText = actualText;
|
|
this.hasEscapeSequence = hasEscapeSequence;
|
|
this.sym = null;
|
|
this.cloId = -1;
|
|
this.setText(actualText, hasEscapeSequence);
|
|
}
|
|
Identifier.prototype.setText = function (actualText, hasEscapeSequence) {
|
|
this.actualText = actualText;
|
|
if (hasEscapeSequence) {
|
|
this.text = AST.getResolvedIdentifierName(actualText);
|
|
}
|
|
else {
|
|
this.text = actualText;
|
|
}
|
|
};
|
|
Identifier.prototype.isMissing = function () { return false; };
|
|
Identifier.prototype.isLeaf = function () { return true; };
|
|
Identifier.prototype.treeViewLabel = function () {
|
|
return "id: " + this.actualText;
|
|
};
|
|
Identifier.prototype.printLabel = function () {
|
|
if (this.actualText) {
|
|
return "id: " + this.actualText;
|
|
}
|
|
else {
|
|
return "name node";
|
|
}
|
|
};
|
|
Identifier.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckName(this);
|
|
};
|
|
Identifier.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitJavascriptName(this, true);
|
|
};
|
|
Identifier.fromToken = function (token) {
|
|
return new Identifier(token.getText(), token.hasEscapeSequence);
|
|
};
|
|
return Identifier;
|
|
})(AST);
|
|
TypeScript.Identifier = Identifier;
|
|
var MissingIdentifier = (function (_super) {
|
|
__extends(MissingIdentifier, _super);
|
|
function MissingIdentifier() {
|
|
_super.call(this, "__missing");
|
|
}
|
|
MissingIdentifier.prototype.isMissing = function () {
|
|
return true;
|
|
};
|
|
MissingIdentifier.prototype.emit = function (emitter, tokenId, startLine) {
|
|
// Emit nothing for a missing ID
|
|
};
|
|
return MissingIdentifier;
|
|
})(Identifier);
|
|
TypeScript.MissingIdentifier = MissingIdentifier;
|
|
var Label = (function (_super) {
|
|
__extends(Label, _super);
|
|
function Label(id) {
|
|
_super.call(this, NodeType.Label);
|
|
this.id = id;
|
|
}
|
|
Label.prototype.printLabel = function () { return this.id.actualText + ":"; };
|
|
Label.prototype.typeCheck = function (typeFlow) {
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
Label.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.recordSourceMappingStart(this.id);
|
|
emitter.writeToOutput(this.id.actualText);
|
|
emitter.recordSourceMappingEnd(this.id);
|
|
emitter.writeLineToOutput(":");
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return Label;
|
|
})(AST);
|
|
TypeScript.Label = Label;
|
|
var Expression = (function (_super) {
|
|
__extends(Expression, _super);
|
|
function Expression(nodeType) {
|
|
_super.call(this, nodeType);
|
|
}
|
|
Expression.prototype.isExpression = function () { return true; };
|
|
Expression.prototype.isStatementOrExpression = function () { return true; };
|
|
return Expression;
|
|
})(AST);
|
|
TypeScript.Expression = Expression;
|
|
var UnaryExpression = (function (_super) {
|
|
__extends(UnaryExpression, _super);
|
|
function UnaryExpression(nodeType, operand) {
|
|
_super.call(this, nodeType);
|
|
this.operand = operand;
|
|
this.targetType = null; // Target type for an object literal (null if no target type)
|
|
this.castTerm = null;
|
|
}
|
|
UnaryExpression.prototype.addToControlFlow = function (context) {
|
|
_super.prototype.addToControlFlow.call(this, context);
|
|
// TODO: add successor as catch block/finally block if present
|
|
if (this.nodeType == NodeType.Throw) {
|
|
context.returnStmt();
|
|
}
|
|
};
|
|
UnaryExpression.prototype.typeCheck = function (typeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Not:
|
|
return typeFlow.typeCheckBitNot(this);
|
|
case NodeType.LogNot:
|
|
return typeFlow.typeCheckLogNot(this);
|
|
case NodeType.Pos:
|
|
case NodeType.Neg:
|
|
return typeFlow.typeCheckUnaryNumberOperator(this);
|
|
case NodeType.IncPost:
|
|
case NodeType.IncPre:
|
|
case NodeType.DecPost:
|
|
case NodeType.DecPre:
|
|
return typeFlow.typeCheckIncOrDec(this);
|
|
case NodeType.ArrayLit:
|
|
typeFlow.typeCheckArrayLit(this);
|
|
return this;
|
|
case NodeType.ObjectLit:
|
|
typeFlow.typeCheckObjectLit(this);
|
|
return this;
|
|
case NodeType.Throw:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
case NodeType.Typeof:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.stringType;
|
|
return this;
|
|
case NodeType.Delete:
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.booleanType;
|
|
break;
|
|
case NodeType.TypeAssertion:
|
|
this.castTerm = typeFlow.typeCheck(this.castTerm);
|
|
var applyTargetType = !this.operand.isParenthesized;
|
|
var targetType = applyTargetType ? this.castTerm.type : null;
|
|
typeFlow.checker.typeCheckWithContextualType(targetType, typeFlow.checker.inProvisionalTypecheckMode(), true, this.operand);
|
|
typeFlow.castWithCoercion(this.operand, this.castTerm.type, false, true);
|
|
this.type = this.castTerm.type;
|
|
return this;
|
|
case NodeType.Void:
|
|
// REVIEW - Although this is good to do for completeness's sake,
|
|
// this shouldn't be strictly necessary from the void operator's
|
|
// point of view
|
|
this.operand = typeFlow.typeCheck(this.operand);
|
|
this.type = typeFlow.checker.undefinedType;
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
};
|
|
UnaryExpression.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
switch (this.nodeType) {
|
|
case NodeType.IncPost:
|
|
emitter.emitJavascript(this.operand, TokenID.PlusPlus, false);
|
|
emitter.writeToOutput("++");
|
|
break;
|
|
case NodeType.LogNot:
|
|
emitter.writeToOutput("!");
|
|
emitter.emitJavascript(this.operand, TokenID.Exclamation, false);
|
|
break;
|
|
case NodeType.DecPost:
|
|
emitter.emitJavascript(this.operand, TokenID.MinusMinus, false);
|
|
emitter.writeToOutput("--");
|
|
break;
|
|
case NodeType.ObjectLit:
|
|
emitter.emitObjectLiteral(this.operand);
|
|
break;
|
|
case NodeType.ArrayLit:
|
|
emitter.emitArrayLiteral(this.operand);
|
|
break;
|
|
case NodeType.Not:
|
|
emitter.writeToOutput("~");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Neg:
|
|
emitter.writeToOutput("-");
|
|
if (this.operand.nodeType == NodeType.Neg) {
|
|
this.operand.isParenthesized = true;
|
|
}
|
|
emitter.emitJavascript(this.operand, TokenID.Minus, false);
|
|
break;
|
|
case NodeType.Pos:
|
|
emitter.writeToOutput("+");
|
|
if (this.operand.nodeType == NodeType.Pos) {
|
|
this.operand.isParenthesized = true;
|
|
}
|
|
emitter.emitJavascript(this.operand, TokenID.Plus, false);
|
|
break;
|
|
case NodeType.IncPre:
|
|
emitter.writeToOutput("++");
|
|
emitter.emitJavascript(this.operand, TokenID.PlusPlus, false);
|
|
break;
|
|
case NodeType.DecPre:
|
|
emitter.writeToOutput("--");
|
|
emitter.emitJavascript(this.operand, TokenID.MinusMinus, false);
|
|
break;
|
|
case NodeType.Throw:
|
|
emitter.writeToOutput("throw ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
emitter.writeToOutput(";");
|
|
break;
|
|
case NodeType.Typeof:
|
|
emitter.writeToOutput("typeof ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Delete:
|
|
emitter.writeToOutput("delete ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.Void:
|
|
emitter.writeToOutput("void ");
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
case NodeType.TypeAssertion:
|
|
emitter.emitJavascript(this.operand, TokenID.Tilde, false);
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return UnaryExpression;
|
|
})(Expression);
|
|
TypeScript.UnaryExpression = UnaryExpression;
|
|
var CallExpression = (function (_super) {
|
|
__extends(CallExpression, _super);
|
|
function CallExpression(nodeType, target, arguments) {
|
|
_super.call(this, nodeType);
|
|
this.target = target;
|
|
this.arguments = arguments;
|
|
this.signature = null;
|
|
this.minChar = this.target.minChar;
|
|
}
|
|
CallExpression.prototype.typeCheck = function (typeFlow) {
|
|
if (this.nodeType == NodeType.New) {
|
|
return typeFlow.typeCheckNew(this);
|
|
}
|
|
else {
|
|
return typeFlow.typeCheckCall(this);
|
|
}
|
|
};
|
|
CallExpression.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.nodeType == NodeType.New) {
|
|
emitter.emitNew(this.target, this.arguments);
|
|
}
|
|
else {
|
|
emitter.emitCall(this, this.target, this.arguments);
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return CallExpression;
|
|
})(Expression);
|
|
TypeScript.CallExpression = CallExpression;
|
|
var BinaryExpression = (function (_super) {
|
|
__extends(BinaryExpression, _super);
|
|
function BinaryExpression(nodeType, operand1, operand2) {
|
|
_super.call(this, nodeType);
|
|
this.operand1 = operand1;
|
|
this.operand2 = operand2;
|
|
}
|
|
BinaryExpression.prototype.typeCheck = function (typeFlow) {
|
|
switch (this.nodeType) {
|
|
case NodeType.Dot:
|
|
return typeFlow.typeCheckDotOperator(this);
|
|
case NodeType.Asg:
|
|
return typeFlow.typeCheckAsgOperator(this);
|
|
case NodeType.Add:
|
|
case NodeType.Sub:
|
|
case NodeType.Mul:
|
|
case NodeType.Div:
|
|
case NodeType.Mod:
|
|
case NodeType.Or:
|
|
case NodeType.And:
|
|
return typeFlow.typeCheckArithmeticOperator(this, false);
|
|
case NodeType.Xor:
|
|
return typeFlow.typeCheckBitwiseOperator(this, false);
|
|
case NodeType.Ne:
|
|
case NodeType.Eq:
|
|
var text;
|
|
if (typeFlow.checker.styleSettings.eqeqeq) {
|
|
text = nodeTypeTable[this.nodeType];
|
|
typeFlow.checker.errorReporter.styleError(this, "use of " + text);
|
|
}
|
|
else if (typeFlow.checker.styleSettings.eqnull) {
|
|
text = nodeTypeTable[this.nodeType];
|
|
if ((this.operand2 !== null) && (this.operand2.nodeType == NodeType.Null)) {
|
|
typeFlow.checker.errorReporter.styleError(this, "use of " + text + " to compare with null");
|
|
}
|
|
}
|
|
case NodeType.Eqv:
|
|
case NodeType.NEqv:
|
|
case NodeType.Lt:
|
|
case NodeType.Le:
|
|
case NodeType.Ge:
|
|
case NodeType.Gt:
|
|
return typeFlow.typeCheckBooleanOperator(this);
|
|
case NodeType.Index:
|
|
return typeFlow.typeCheckIndex(this);
|
|
case NodeType.Member:
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
case NodeType.LogOr:
|
|
return typeFlow.typeCheckLogOr(this);
|
|
case NodeType.LogAnd:
|
|
return typeFlow.typeCheckLogAnd(this);
|
|
case NodeType.AsgAdd:
|
|
case NodeType.AsgSub:
|
|
case NodeType.AsgMul:
|
|
case NodeType.AsgDiv:
|
|
case NodeType.AsgMod:
|
|
case NodeType.AsgOr:
|
|
case NodeType.AsgAnd:
|
|
return typeFlow.typeCheckArithmeticOperator(this, true);
|
|
case NodeType.AsgXor:
|
|
return typeFlow.typeCheckBitwiseOperator(this, true);
|
|
case NodeType.Lsh:
|
|
case NodeType.Rsh:
|
|
case NodeType.Rs2:
|
|
return typeFlow.typeCheckShift(this, false);
|
|
case NodeType.AsgLsh:
|
|
case NodeType.AsgRsh:
|
|
case NodeType.AsgRs2:
|
|
return typeFlow.typeCheckShift(this, true);
|
|
case NodeType.Comma:
|
|
return typeFlow.typeCheckCommaOperator(this);
|
|
case NodeType.InstOf:
|
|
return typeFlow.typeCheckInstOf(this);
|
|
case NodeType.In:
|
|
return typeFlow.typeCheckInOperator(this);
|
|
case NodeType.From:
|
|
typeFlow.checker.errorReporter.simpleError(this, "Illegal use of 'from' keyword in binary expression");
|
|
break;
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
return this;
|
|
};
|
|
BinaryExpression.prototype.emit = function (emitter, tokenId, startLine) {
|
|
var binTokenId = nodeTypeToTokTable[this.nodeType];
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (binTokenId != undefined) {
|
|
emitter.emitJavascript(this.operand1, binTokenId, false);
|
|
if (tokenTable[binTokenId].text == "instanceof") {
|
|
emitter.writeToOutput(" instanceof ");
|
|
}
|
|
else if (tokenTable[binTokenId].text == "in") {
|
|
emitter.writeToOutput(" in ");
|
|
}
|
|
else {
|
|
emitter.writeToOutputTrimmable(" " + tokenTable[binTokenId].text + " ");
|
|
}
|
|
emitter.emitJavascript(this.operand2, binTokenId, false);
|
|
}
|
|
else {
|
|
switch (this.nodeType) {
|
|
case NodeType.Dot:
|
|
if (!emitter.tryEmitConstant(this)) {
|
|
emitter.emitJavascript(this.operand1, TokenID.Dot, false);
|
|
emitter.writeToOutput(".");
|
|
emitter.emitJavascriptName(this.operand2, false);
|
|
}
|
|
break;
|
|
case NodeType.Index:
|
|
emitter.emitIndex(this.operand1, this.operand2);
|
|
break;
|
|
case NodeType.Member:
|
|
if (this.operand2.nodeType == NodeType.FuncDecl && this.operand2.isAccessor()) {
|
|
var funcDecl = this.operand2;
|
|
if (hasFlag(funcDecl.fncFlags, FncFlags.GetAccessor)) {
|
|
emitter.writeToOutput("get ");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("set ");
|
|
}
|
|
emitter.emitJavascript(this.operand1, TokenID.Colon, false);
|
|
}
|
|
else {
|
|
emitter.emitJavascript(this.operand1, TokenID.Colon, false);
|
|
emitter.writeToOutputTrimmable(": ");
|
|
}
|
|
emitter.emitJavascript(this.operand2, TokenID.Comma, false);
|
|
break;
|
|
case NodeType.Comma:
|
|
emitter.emitJavascript(this.operand1, TokenID.Comma, false);
|
|
if (emitter.emitState.inObjectLiteral) {
|
|
emitter.writeLineToOutput(", ");
|
|
}
|
|
else {
|
|
emitter.writeToOutput(",");
|
|
}
|
|
emitter.emitJavascript(this.operand2, TokenID.Comma, false);
|
|
break;
|
|
case NodeType.Is:
|
|
throw new Error("should be de-sugared during type check");
|
|
default:
|
|
throw new Error("please implement in derived class");
|
|
}
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return BinaryExpression;
|
|
})(Expression);
|
|
TypeScript.BinaryExpression = BinaryExpression;
|
|
var ConditionalExpression = (function (_super) {
|
|
__extends(ConditionalExpression, _super);
|
|
function ConditionalExpression(operand1, operand2, operand3) {
|
|
_super.call(this, NodeType.ConditionalExpression);
|
|
this.operand1 = operand1;
|
|
this.operand2 = operand2;
|
|
this.operand3 = operand3;
|
|
}
|
|
ConditionalExpression.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckQMark(this);
|
|
};
|
|
ConditionalExpression.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.operand1, TokenID.Question, false);
|
|
emitter.writeToOutput(" ? ");
|
|
emitter.emitJavascript(this.operand2, TokenID.Question, false);
|
|
emitter.writeToOutput(" : ");
|
|
emitter.emitJavascript(this.operand3, TokenID.Question, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return ConditionalExpression;
|
|
})(Expression);
|
|
TypeScript.ConditionalExpression = ConditionalExpression;
|
|
var NumberLiteral = (function (_super) {
|
|
__extends(NumberLiteral, _super);
|
|
function NumberLiteral(value, hasEmptyFraction) {
|
|
_super.call(this, NodeType.NumberLit);
|
|
this.value = value;
|
|
this.hasEmptyFraction = hasEmptyFraction;
|
|
this.isNegativeZero = false;
|
|
}
|
|
NumberLiteral.prototype.typeCheck = function (typeFlow) {
|
|
this.type = typeFlow.doubleType;
|
|
return this;
|
|
};
|
|
NumberLiteral.prototype.treeViewLabel = function () {
|
|
return "num: " + this.printLabel();
|
|
};
|
|
NumberLiteral.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.isNegativeZero) {
|
|
emitter.writeToOutput("-");
|
|
}
|
|
emitter.writeToOutput(this.value.toString());
|
|
if (this.hasEmptyFraction)
|
|
emitter.writeToOutput(".0");
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
NumberLiteral.prototype.printLabel = function () {
|
|
if (Math.floor(this.value) != this.value) {
|
|
return this.value.toFixed(2).toString();
|
|
}
|
|
else if (this.hasEmptyFraction) {
|
|
return this.value.toString() + ".0";
|
|
}
|
|
else {
|
|
return this.value.toString();
|
|
}
|
|
};
|
|
return NumberLiteral;
|
|
})(Expression);
|
|
TypeScript.NumberLiteral = NumberLiteral;
|
|
var RegexLiteral = (function (_super) {
|
|
__extends(RegexLiteral, _super);
|
|
function RegexLiteral(regex) {
|
|
_super.call(this, NodeType.Regex);
|
|
this.regex = regex;
|
|
}
|
|
RegexLiteral.prototype.typeCheck = function (typeFlow) {
|
|
this.type = typeFlow.regexType;
|
|
return this;
|
|
};
|
|
RegexLiteral.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(this.regex.toString());
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return RegexLiteral;
|
|
})(Expression);
|
|
TypeScript.RegexLiteral = RegexLiteral;
|
|
var StringLiteral = (function (_super) {
|
|
__extends(StringLiteral, _super);
|
|
function StringLiteral(text) {
|
|
_super.call(this, NodeType.QString);
|
|
this.text = text;
|
|
}
|
|
StringLiteral.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitStringLiteral(this.text);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
StringLiteral.prototype.typeCheck = function (typeFlow) {
|
|
this.type = typeFlow.stringType;
|
|
return this;
|
|
};
|
|
StringLiteral.prototype.treeViewLabel = function () {
|
|
return "st: " + this.text;
|
|
};
|
|
StringLiteral.prototype.printLabel = function () {
|
|
return this.text;
|
|
};
|
|
return StringLiteral;
|
|
})(Expression);
|
|
TypeScript.StringLiteral = StringLiteral;
|
|
var ModuleElement = (function (_super) {
|
|
__extends(ModuleElement, _super);
|
|
function ModuleElement(nodeType) {
|
|
_super.call(this, nodeType);
|
|
}
|
|
return ModuleElement;
|
|
})(AST);
|
|
TypeScript.ModuleElement = ModuleElement;
|
|
var ImportDeclaration = (function (_super) {
|
|
__extends(ImportDeclaration, _super);
|
|
function ImportDeclaration(id, alias) {
|
|
_super.call(this, NodeType.ImportDeclaration);
|
|
this.id = id;
|
|
this.alias = alias;
|
|
this.varFlags = VarFlags.None;
|
|
this.isDynamicImport = false;
|
|
}
|
|
ImportDeclaration.prototype.isStatementOrExpression = function () { return true; };
|
|
ImportDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
|
|
var mod = this.alias.type;
|
|
// REVIEW: Only modules may be aliased for now, though there's no real
|
|
// restriction on what the type symbol may be
|
|
if (!this.isDynamicImport || (this.id.sym && !this.id.sym.onlyReferencedAsTypeRef)) {
|
|
var prevModAliasId = emitter.modAliasId;
|
|
var prevFirstModAlias = emitter.firstModAlias;
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.writeToOutput("var " + this.id.actualText + " = ");
|
|
emitter.modAliasId = this.id.actualText;
|
|
emitter.firstModAlias = this.firstAliasedModToString();
|
|
emitter.emitJavascript(this.alias, TokenID.Tilde, false);
|
|
// the dynamic import case will insert the semi-colon automatically
|
|
if (!this.isDynamicImport) {
|
|
emitter.writeToOutput(";");
|
|
}
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.modAliasId = prevModAliasId;
|
|
emitter.firstModAlias = prevFirstModAlias;
|
|
}
|
|
};
|
|
ImportDeclaration.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckImportDecl(this);
|
|
};
|
|
ImportDeclaration.prototype.getAliasName = function (aliasAST) {
|
|
if (aliasAST === void 0) { aliasAST = this.alias; }
|
|
if (aliasAST.nodeType == NodeType.Name) {
|
|
return aliasAST.actualText;
|
|
}
|
|
else {
|
|
var dotExpr = aliasAST;
|
|
return this.getAliasName(dotExpr.operand1) + "." + this.getAliasName(dotExpr.operand2);
|
|
}
|
|
};
|
|
ImportDeclaration.prototype.firstAliasedModToString = function () {
|
|
if (this.alias.nodeType == NodeType.Name) {
|
|
return this.alias.actualText;
|
|
}
|
|
else {
|
|
var dotExpr = this.alias;
|
|
var firstMod = dotExpr.operand1;
|
|
return firstMod.actualText;
|
|
}
|
|
};
|
|
return ImportDeclaration;
|
|
})(ModuleElement);
|
|
TypeScript.ImportDeclaration = ImportDeclaration;
|
|
var BoundDecl = (function (_super) {
|
|
__extends(BoundDecl, _super);
|
|
function BoundDecl(id, nodeType, nestingLevel) {
|
|
_super.call(this, nodeType);
|
|
this.id = id;
|
|
this.nestingLevel = nestingLevel;
|
|
this.init = null;
|
|
this.typeExpr = null;
|
|
this.varFlags = VarFlags.None;
|
|
this.sym = null;
|
|
}
|
|
BoundDecl.prototype.isStatementOrExpression = function () { return true; };
|
|
BoundDecl.prototype.isPrivate = function () { return hasFlag(this.varFlags, VarFlags.Private); };
|
|
BoundDecl.prototype.isPublic = function () { return hasFlag(this.varFlags, VarFlags.Public); };
|
|
BoundDecl.prototype.isProperty = function () { return hasFlag(this.varFlags, VarFlags.Property); };
|
|
BoundDecl.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckBoundDecl(this);
|
|
};
|
|
BoundDecl.prototype.printLabel = function () {
|
|
return this.treeViewLabel();
|
|
};
|
|
return BoundDecl;
|
|
})(AST);
|
|
TypeScript.BoundDecl = BoundDecl;
|
|
var VarDecl = (function (_super) {
|
|
__extends(VarDecl, _super);
|
|
function VarDecl(id, nest) {
|
|
_super.call(this, id, NodeType.VarDecl, nest);
|
|
}
|
|
VarDecl.prototype.isAmbient = function () { return hasFlag(this.varFlags, VarFlags.Ambient); };
|
|
VarDecl.prototype.isExported = function () { return hasFlag(this.varFlags, VarFlags.Exported); };
|
|
VarDecl.prototype.isStatic = function () { return hasFlag(this.varFlags, VarFlags.Static); };
|
|
VarDecl.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitJavascriptVarDecl(this, tokenId);
|
|
};
|
|
VarDecl.prototype.treeViewLabel = function () {
|
|
return "var " + this.id.actualText;
|
|
};
|
|
return VarDecl;
|
|
})(BoundDecl);
|
|
TypeScript.VarDecl = VarDecl;
|
|
var ArgDecl = (function (_super) {
|
|
__extends(ArgDecl, _super);
|
|
function ArgDecl(id) {
|
|
_super.call(this, id, NodeType.ArgDecl, 0);
|
|
this.isOptional = false;
|
|
this.parameterPropertySym = null;
|
|
}
|
|
ArgDecl.prototype.isOptionalArg = function () { return this.isOptional || this.init; };
|
|
ArgDecl.prototype.treeViewLabel = function () {
|
|
return "arg: " + this.id.actualText;
|
|
};
|
|
ArgDecl.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(this.id.actualText);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return ArgDecl;
|
|
})(BoundDecl);
|
|
TypeScript.ArgDecl = ArgDecl;
|
|
var internalId = 0;
|
|
var FuncDecl = (function (_super) {
|
|
__extends(FuncDecl, _super);
|
|
function FuncDecl(name, bod, isConstructor, arguments, vars, scopes, statics, nodeType) {
|
|
_super.call(this, nodeType);
|
|
this.name = name;
|
|
this.bod = bod;
|
|
this.isConstructor = isConstructor;
|
|
this.arguments = arguments;
|
|
this.vars = vars;
|
|
this.scopes = scopes;
|
|
this.statics = statics;
|
|
this.hint = null;
|
|
this.fncFlags = FncFlags.None;
|
|
this.returnTypeAnnotation = null;
|
|
this.variableArgList = false;
|
|
this.jumpRefs = null;
|
|
this.internalNameCache = null;
|
|
this.tmp1Declared = false;
|
|
this.enclosingFnc = null;
|
|
this.freeVariables = [];
|
|
this.unitIndex = -1;
|
|
this.classDecl = null;
|
|
this.boundToProperty = null;
|
|
this.isOverload = false;
|
|
this.innerStaticFuncs = [];
|
|
this.isTargetTypedAsMethod = false;
|
|
this.isInlineCallLiteral = false;
|
|
this.accessorSymbol = null;
|
|
this.leftCurlyCount = 0;
|
|
this.rightCurlyCount = 0;
|
|
this.returnStatementsWithExpressions = [];
|
|
this.scopeType = null; // Type of the FuncDecl, before target typing
|
|
this.endingToken = null;
|
|
}
|
|
FuncDecl.prototype.internalName = function () {
|
|
if (this.internalNameCache == null) {
|
|
var extName = this.getNameText();
|
|
if (extName) {
|
|
this.internalNameCache = "_internal_" + extName;
|
|
}
|
|
else {
|
|
this.internalNameCache = "_internal_" + internalId++;
|
|
}
|
|
}
|
|
return this.internalNameCache;
|
|
};
|
|
FuncDecl.prototype.hasSelfReference = function () { return hasFlag(this.fncFlags, FncFlags.HasSelfReference); };
|
|
FuncDecl.prototype.setHasSelfReference = function () { this.fncFlags |= FncFlags.HasSelfReference; };
|
|
FuncDecl.prototype.addCloRef = function (id, sym) {
|
|
if (this.envids == null) {
|
|
this.envids = new Identifier[];
|
|
}
|
|
this.envids[this.envids.length] = id;
|
|
var outerFnc = this.enclosingFnc;
|
|
if (sym) {
|
|
while (outerFnc && (outerFnc.type.symbol != sym.container)) {
|
|
outerFnc.addJumpRef(sym);
|
|
outerFnc = outerFnc.enclosingFnc;
|
|
}
|
|
}
|
|
return this.envids.length - 1;
|
|
};
|
|
FuncDecl.prototype.addJumpRef = function (sym) {
|
|
if (this.jumpRefs == null) {
|
|
this.jumpRefs = new Identifier[];
|
|
}
|
|
var id = new Identifier(sym.name);
|
|
this.jumpRefs[this.jumpRefs.length] = id;
|
|
id.sym = sym;
|
|
id.cloId = this.addCloRef(id, null);
|
|
};
|
|
FuncDecl.prototype.buildControlFlow = function () {
|
|
var entry = new BasicBlock();
|
|
var exit = new BasicBlock();
|
|
var context = new ControlFlowContext(entry, exit);
|
|
var controlFlowPrefix = function (ast, parent, walker) {
|
|
ast.addToControlFlow(walker.state);
|
|
return ast;
|
|
};
|
|
var walker = getAstWalkerFactory().getWalker(controlFlowPrefix, null, null, context);
|
|
context.walker = walker;
|
|
walker.walk(this.bod, this);
|
|
return context;
|
|
};
|
|
FuncDecl.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckFunction(this);
|
|
};
|
|
FuncDecl.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitJavascriptFunction(this);
|
|
};
|
|
FuncDecl.prototype.getNameText = function () {
|
|
if (this.name) {
|
|
return this.name.actualText;
|
|
}
|
|
else {
|
|
return this.hint;
|
|
}
|
|
};
|
|
FuncDecl.prototype.isMethod = function () {
|
|
return (this.fncFlags & FncFlags.Method) != FncFlags.None;
|
|
};
|
|
FuncDecl.prototype.isCallMember = function () { return hasFlag(this.fncFlags, FncFlags.CallMember); };
|
|
FuncDecl.prototype.isConstructMember = function () { return hasFlag(this.fncFlags, FncFlags.ConstructMember); };
|
|
FuncDecl.prototype.isIndexerMember = function () { return hasFlag(this.fncFlags, FncFlags.IndexerMember); };
|
|
FuncDecl.prototype.isSpecialFn = function () { return this.isCallMember() || this.isIndexerMember() || this.isConstructMember(); };
|
|
FuncDecl.prototype.isAnonymousFn = function () { return this.name === null; };
|
|
FuncDecl.prototype.isAccessor = function () { return hasFlag(this.fncFlags, FncFlags.GetAccessor) || hasFlag(this.fncFlags, FncFlags.SetAccessor); };
|
|
FuncDecl.prototype.isGetAccessor = function () { return hasFlag(this.fncFlags, FncFlags.GetAccessor); };
|
|
FuncDecl.prototype.isSetAccessor = function () { return hasFlag(this.fncFlags, FncFlags.SetAccessor); };
|
|
FuncDecl.prototype.isAmbient = function () { return hasFlag(this.fncFlags, FncFlags.Ambient); };
|
|
FuncDecl.prototype.isExported = function () { return hasFlag(this.fncFlags, FncFlags.Exported); };
|
|
FuncDecl.prototype.isPrivate = function () { return hasFlag(this.fncFlags, FncFlags.Private); };
|
|
FuncDecl.prototype.isPublic = function () { return hasFlag(this.fncFlags, FncFlags.Public); };
|
|
FuncDecl.prototype.isStatic = function () { return hasFlag(this.fncFlags, FncFlags.Static); };
|
|
FuncDecl.prototype.treeViewLabel = function () {
|
|
if (this.name == null) {
|
|
return "funcExpr";
|
|
}
|
|
else {
|
|
return "func: " + this.name.actualText;
|
|
}
|
|
};
|
|
FuncDecl.prototype.ClearFlags = function () {
|
|
this.fncFlags = FncFlags.None;
|
|
};
|
|
FuncDecl.prototype.isSignature = function () { return (this.fncFlags & FncFlags.Signature) != FncFlags.None; };
|
|
FuncDecl.prototype.hasStaticDeclarations = function () { return (!this.isConstructor && (this.statics.members.length > 0 || this.innerStaticFuncs.length > 0)); };
|
|
return FuncDecl;
|
|
})(AST);
|
|
TypeScript.FuncDecl = FuncDecl;
|
|
var LocationInfo = (function () {
|
|
function LocationInfo(filename, lineMap, unitIndex) {
|
|
this.filename = filename;
|
|
this.lineMap = lineMap;
|
|
this.unitIndex = unitIndex;
|
|
}
|
|
return LocationInfo;
|
|
})();
|
|
TypeScript.LocationInfo = LocationInfo;
|
|
TypeScript.unknownLocationInfo = new LocationInfo("unknown", null, -1);
|
|
var Script = (function (_super) {
|
|
__extends(Script, _super);
|
|
function Script(vars, scopes) {
|
|
_super.call(this, new Identifier("script"), null, false, null, vars, scopes, null, NodeType.Script);
|
|
this.locationInfo = null;
|
|
this.referencedFiles = [];
|
|
this.requiresGlobal = false;
|
|
this.requiresInherits = false;
|
|
this.isResident = false;
|
|
this.isDeclareFile = false;
|
|
this.hasBeenTypeChecked = false;
|
|
this.topLevelMod = null;
|
|
this.leftCurlyCount = 0;
|
|
this.rightCurlyCount = 0;
|
|
// Remember if the script contains Unicode chars, that is needed when generating code for this script object to decide the output file correct encoding.
|
|
this.containsUnicodeChar = false;
|
|
this.containsUnicodeCharInComment = false;
|
|
this.vars = vars;
|
|
this.scopes = scopes;
|
|
}
|
|
Script.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckScript(this);
|
|
};
|
|
Script.prototype.treeViewLabel = function () {
|
|
return "Script";
|
|
};
|
|
Script.prototype.emitRequired = function () {
|
|
if (!this.isDeclareFile && !this.isResident && this.bod) {
|
|
for (var i = 0, len = this.bod.members.length; i < len; i++) {
|
|
var stmt = this.bod.members[i];
|
|
if (stmt.nodeType == NodeType.ModuleDeclaration) {
|
|
if (!hasFlag(stmt.modFlags, ModuleFlags.ShouldEmitModuleDecl | ModuleFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.ClassDeclaration) {
|
|
if (!hasFlag(stmt.varFlags, VarFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.VarDecl) {
|
|
if (!hasFlag(stmt.varFlags, VarFlags.Ambient)) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType == NodeType.FuncDecl) {
|
|
if (!stmt.isSignature()) {
|
|
return true;
|
|
}
|
|
}
|
|
else if (stmt.nodeType != NodeType.InterfaceDeclaration && stmt.nodeType != NodeType.Empty) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
Script.prototype.emit = function (emitter, tokenId, startLine) {
|
|
if (this.emitRequired()) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptList(this.bod, null, TokenID.Semicolon, true, false, false, true, this.requiresInherits);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
};
|
|
return Script;
|
|
})(FuncDecl);
|
|
TypeScript.Script = Script;
|
|
var NamedDeclaration = (function (_super) {
|
|
__extends(NamedDeclaration, _super);
|
|
function NamedDeclaration(nodeType, name, members) {
|
|
_super.call(this, nodeType);
|
|
this.name = name;
|
|
this.members = members;
|
|
this.leftCurlyCount = 0;
|
|
this.rightCurlyCount = 0;
|
|
}
|
|
return NamedDeclaration;
|
|
})(ModuleElement);
|
|
TypeScript.NamedDeclaration = NamedDeclaration;
|
|
var ModuleDeclaration = (function (_super) {
|
|
__extends(ModuleDeclaration, _super);
|
|
function ModuleDeclaration(name, members, vars, scopes, endingToken) {
|
|
_super.call(this, NodeType.ModuleDeclaration, name, members);
|
|
this.endingToken = endingToken;
|
|
this.modFlags = ModuleFlags.ShouldEmitModuleDecl;
|
|
this.amdDependencies = [];
|
|
// Remember if the module contains Unicode chars, that is needed for dynamic module as we will generate a file for each.
|
|
this.containsUnicodeChar = false;
|
|
this.containsUnicodeCharInComment = false;
|
|
this.vars = vars;
|
|
this.scopes = scopes;
|
|
this.prettyName = this.name.actualText;
|
|
}
|
|
ModuleDeclaration.prototype.isExported = function () { return hasFlag(this.modFlags, ModuleFlags.Exported); };
|
|
ModuleDeclaration.prototype.isAmbient = function () { return hasFlag(this.modFlags, ModuleFlags.Ambient); };
|
|
ModuleDeclaration.prototype.isEnum = function () { return hasFlag(this.modFlags, ModuleFlags.IsEnum); };
|
|
ModuleDeclaration.prototype.recordNonInterface = function () {
|
|
this.modFlags &= ~ModuleFlags.ShouldEmitModuleDecl;
|
|
};
|
|
ModuleDeclaration.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckModule(this);
|
|
};
|
|
ModuleDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
|
|
if (!hasFlag(this.modFlags, ModuleFlags.ShouldEmitModuleDecl)) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascriptModule(this);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
}
|
|
};
|
|
return ModuleDeclaration;
|
|
})(NamedDeclaration);
|
|
TypeScript.ModuleDeclaration = ModuleDeclaration;
|
|
var TypeDeclaration = (function (_super) {
|
|
__extends(TypeDeclaration, _super);
|
|
function TypeDeclaration(nodeType, name, extendsList, implementsList, members) {
|
|
_super.call(this, nodeType, name, members);
|
|
this.extendsList = extendsList;
|
|
this.implementsList = implementsList;
|
|
this.varFlags = VarFlags.None;
|
|
}
|
|
TypeDeclaration.prototype.isExported = function () {
|
|
return hasFlag(this.varFlags, VarFlags.Exported);
|
|
};
|
|
TypeDeclaration.prototype.isAmbient = function () {
|
|
return hasFlag(this.varFlags, VarFlags.Ambient);
|
|
};
|
|
return TypeDeclaration;
|
|
})(NamedDeclaration);
|
|
TypeScript.TypeDeclaration = TypeDeclaration;
|
|
var ClassDeclaration = (function (_super) {
|
|
__extends(ClassDeclaration, _super);
|
|
function ClassDeclaration(name, members, extendsList, implementsList) {
|
|
_super.call(this, NodeType.ClassDeclaration, name, extendsList, implementsList, members);
|
|
this.knownMemberNames = {};
|
|
this.constructorDecl = null;
|
|
this.constructorNestingLevel = 0;
|
|
this.endingToken = null;
|
|
}
|
|
ClassDeclaration.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckClass(this);
|
|
};
|
|
ClassDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitJavascriptClass(this);
|
|
};
|
|
return ClassDeclaration;
|
|
})(TypeDeclaration);
|
|
TypeScript.ClassDeclaration = ClassDeclaration;
|
|
var InterfaceDeclaration = (function (_super) {
|
|
__extends(InterfaceDeclaration, _super);
|
|
function InterfaceDeclaration(name, members, extendsList, implementsList) {
|
|
_super.call(this, NodeType.InterfaceDeclaration, name, extendsList, implementsList, members);
|
|
}
|
|
InterfaceDeclaration.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckInterface(this);
|
|
};
|
|
InterfaceDeclaration.prototype.emit = function (emitter, tokenId, startLine) {
|
|
};
|
|
return InterfaceDeclaration;
|
|
})(TypeDeclaration);
|
|
TypeScript.InterfaceDeclaration = InterfaceDeclaration;
|
|
var Statement = (function (_super) {
|
|
__extends(Statement, _super);
|
|
function Statement(nodeType) {
|
|
_super.call(this, nodeType);
|
|
this.flags |= ASTFlags.IsStatement;
|
|
}
|
|
Statement.prototype.isLoop = function () { return false; };
|
|
Statement.prototype.isStatementOrExpression = function () { return true; };
|
|
Statement.prototype.isCompoundStatement = function () { return this.isLoop(); };
|
|
Statement.prototype.typeCheck = function (typeFlow) {
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
return Statement;
|
|
})(ModuleElement);
|
|
TypeScript.Statement = Statement;
|
|
var LabeledStatement = (function (_super) {
|
|
__extends(LabeledStatement, _super);
|
|
function LabeledStatement(labels, stmt) {
|
|
_super.call(this, NodeType.LabeledStatement);
|
|
this.labels = labels;
|
|
this.stmt = stmt;
|
|
}
|
|
LabeledStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.labels) {
|
|
var labelsLen = this.labels.members.length;
|
|
for (var i = 0; i < labelsLen; i++) {
|
|
this.labels.members[i].emit(emitter, tokenId, startLine);
|
|
}
|
|
}
|
|
this.stmt.emit(emitter, tokenId, true);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
LabeledStatement.prototype.typeCheck = function (typeFlow) {
|
|
typeFlow.typeCheck(this.labels);
|
|
this.stmt = this.stmt.typeCheck(typeFlow);
|
|
return this;
|
|
};
|
|
LabeledStatement.prototype.addToControlFlow = function (context) {
|
|
var beforeBB = context.current;
|
|
var bb = new BasicBlock();
|
|
context.current = bb;
|
|
beforeBB.addSuccessor(bb);
|
|
};
|
|
return LabeledStatement;
|
|
})(Statement);
|
|
TypeScript.LabeledStatement = LabeledStatement;
|
|
var Block = (function (_super) {
|
|
__extends(Block, _super);
|
|
function Block(statements, isStatementBlock) {
|
|
_super.call(this, NodeType.Block);
|
|
this.statements = statements;
|
|
this.isStatementBlock = isStatementBlock;
|
|
}
|
|
Block.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.isStatementBlock) {
|
|
emitter.writeLineToOutput(" {");
|
|
emitter.indenter.increaseIndent();
|
|
}
|
|
else {
|
|
emitter.setInVarBlock(this.statements.members.length);
|
|
}
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
if (this.statements) {
|
|
emitter.emitJavascriptList(this.statements, null, TokenID.Semicolon, true, false, false);
|
|
}
|
|
if (this.isStatementBlock) {
|
|
emitter.indenter.decreaseIndent();
|
|
emitter.emitIndent();
|
|
emitter.writeToOutput("}");
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
Block.prototype.addToControlFlow = function (context) {
|
|
var afterIfNeeded = new BasicBlock();
|
|
context.pushStatement(this, context.current, afterIfNeeded);
|
|
if (this.statements) {
|
|
context.walk(this.statements, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.popStatement();
|
|
if (afterIfNeeded.predecessors.length > 0) {
|
|
context.current.addSuccessor(afterIfNeeded);
|
|
context.current = afterIfNeeded;
|
|
}
|
|
};
|
|
Block.prototype.typeCheck = function (typeFlow) {
|
|
if (!typeFlow.checker.styleSettings.emptyBlocks) {
|
|
if ((this.statements === null) || (this.statements.members.length == 0)) {
|
|
typeFlow.checker.errorReporter.styleError(this, "empty block");
|
|
}
|
|
}
|
|
typeFlow.typeCheck(this.statements);
|
|
return this;
|
|
};
|
|
return Block;
|
|
})(Statement);
|
|
TypeScript.Block = Block;
|
|
var Jump = (function (_super) {
|
|
__extends(Jump, _super);
|
|
function Jump(nodeType) {
|
|
_super.call(this, nodeType);
|
|
this.target = null;
|
|
this.resolvedTarget = null;
|
|
}
|
|
Jump.prototype.hasExplicitTarget = function () { return (this.target); };
|
|
Jump.prototype.setResolvedTarget = function (parser, stmt) {
|
|
if (stmt.isLoop()) {
|
|
this.resolvedTarget = stmt;
|
|
return true;
|
|
}
|
|
if (this.nodeType === NodeType.Continue) {
|
|
parser.reportParseError("continue statement applies only to loops");
|
|
return false;
|
|
}
|
|
else {
|
|
if ((stmt.nodeType == NodeType.Switch) || this.hasExplicitTarget()) {
|
|
this.resolvedTarget = stmt;
|
|
return true;
|
|
}
|
|
else {
|
|
parser.reportParseError("break statement with no label can apply only to a loop or switch statement");
|
|
return false;
|
|
}
|
|
}
|
|
};
|
|
Jump.prototype.addToControlFlow = function (context) {
|
|
_super.prototype.addToControlFlow.call(this, context);
|
|
context.unconditionalBranch(this.resolvedTarget, (this.nodeType == NodeType.Continue));
|
|
};
|
|
Jump.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.nodeType == NodeType.Break) {
|
|
emitter.writeToOutput("break");
|
|
}
|
|
else {
|
|
emitter.writeToOutput("continue");
|
|
}
|
|
if (this.hasExplicitTarget()) {
|
|
emitter.writeToOutput(" " + this.target);
|
|
}
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.writeToOutput(";");
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return Jump;
|
|
})(Statement);
|
|
TypeScript.Jump = Jump;
|
|
var WhileStatement = (function (_super) {
|
|
__extends(WhileStatement, _super);
|
|
function WhileStatement(cond) {
|
|
_super.call(this, NodeType.While);
|
|
this.cond = cond;
|
|
this.body = null;
|
|
}
|
|
WhileStatement.prototype.isLoop = function () { return true; };
|
|
WhileStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("while(");
|
|
emitter.emitJavascript(this.cond, TokenID.While, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, false, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
WhileStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckWhile(this);
|
|
};
|
|
WhileStatement.prototype.addToControlFlow = function (context) {
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
context.addContent(this.cond);
|
|
var condBlock = context.current;
|
|
var targetInfo = null;
|
|
if (this.body) {
|
|
context.current = new BasicBlock();
|
|
condBlock.addSuccessor(context.current);
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
}
|
|
context.current = afterLoop;
|
|
condBlock.addSuccessor(afterLoop);
|
|
// TODO: check for while (true) and then only continue if afterLoop has predecessors
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return WhileStatement;
|
|
})(Statement);
|
|
TypeScript.WhileStatement = WhileStatement;
|
|
var DoWhileStatement = (function (_super) {
|
|
__extends(DoWhileStatement, _super);
|
|
function DoWhileStatement() {
|
|
_super.call(this, NodeType.DoWhile);
|
|
this.body = null;
|
|
this.whileAST = null;
|
|
this.cond = null;
|
|
}
|
|
DoWhileStatement.prototype.isLoop = function () { return true; };
|
|
DoWhileStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("do");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.recordSourceMappingStart(this.whileAST);
|
|
emitter.writeToOutput("while");
|
|
emitter.recordSourceMappingEnd(this.whileAST);
|
|
emitter.writeToOutput('(');
|
|
emitter.emitJavascript(this.cond, TokenID.CloseParen, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
DoWhileStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckDoWhile(this);
|
|
};
|
|
DoWhileStatement.prototype.addToControlFlow = function (context) {
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
var targetInfo = null;
|
|
if (this.body) {
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
context.addContent(this.cond);
|
|
// TODO: check for while (true)
|
|
context.current = afterLoop;
|
|
loopEnd.addSuccessor(afterLoop);
|
|
}
|
|
else {
|
|
context.addUnreachable(this.cond);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return DoWhileStatement;
|
|
})(Statement);
|
|
TypeScript.DoWhileStatement = DoWhileStatement;
|
|
var IfStatement = (function (_super) {
|
|
__extends(IfStatement, _super);
|
|
function IfStatement(cond) {
|
|
_super.call(this, NodeType.If);
|
|
this.cond = cond;
|
|
this.elseBod = null;
|
|
this.statement = new ASTSpan();
|
|
}
|
|
IfStatement.prototype.isCompoundStatement = function () { return true; };
|
|
IfStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("if(");
|
|
emitter.emitJavascript(this.cond, TokenID.If, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascriptStatements(this.thenBod, true, false);
|
|
if (this.elseBod) {
|
|
emitter.writeToOutput(" else");
|
|
emitter.emitJavascriptStatements(this.elseBod, true, true);
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
IfStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckIf(this);
|
|
};
|
|
IfStatement.prototype.addToControlFlow = function (context) {
|
|
this.cond.addToControlFlow(context);
|
|
var afterIf = new BasicBlock();
|
|
var beforeIf = context.current;
|
|
context.pushStatement(this, beforeIf, afterIf);
|
|
var hasContinuation = false;
|
|
context.current = new BasicBlock();
|
|
beforeIf.addSuccessor(context.current);
|
|
context.walk(this.thenBod, this);
|
|
if (!context.noContinuation) {
|
|
hasContinuation = true;
|
|
context.current.addSuccessor(afterIf);
|
|
}
|
|
if (this.elseBod) {
|
|
// current block will be thenBod
|
|
context.current = new BasicBlock();
|
|
context.noContinuation = false;
|
|
beforeIf.addSuccessor(context.current);
|
|
context.walk(this.elseBod, this);
|
|
if (!context.noContinuation) {
|
|
hasContinuation = true;
|
|
context.current.addSuccessor(afterIf);
|
|
}
|
|
else {
|
|
// thenBod created continuation for if statement
|
|
if (hasContinuation) {
|
|
context.noContinuation = false;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
beforeIf.addSuccessor(afterIf);
|
|
context.noContinuation = false;
|
|
hasContinuation = true;
|
|
}
|
|
var targetInfo = context.popStatement();
|
|
if (afterIf.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
hasContinuation = true;
|
|
}
|
|
if (hasContinuation) {
|
|
context.current = afterIf;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return IfStatement;
|
|
})(Statement);
|
|
TypeScript.IfStatement = IfStatement;
|
|
var ReturnStatement = (function (_super) {
|
|
__extends(ReturnStatement, _super);
|
|
function ReturnStatement() {
|
|
_super.call(this, NodeType.Return);
|
|
this.returnExpression = null;
|
|
}
|
|
ReturnStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
if (this.returnExpression) {
|
|
emitter.writeToOutput("return ");
|
|
emitter.emitJavascript(this.returnExpression, TokenID.Semicolon, false);
|
|
}
|
|
else {
|
|
emitter.writeToOutput("return;");
|
|
}
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
ReturnStatement.prototype.addToControlFlow = function (context) {
|
|
_super.prototype.addToControlFlow.call(this, context);
|
|
context.returnStmt();
|
|
};
|
|
ReturnStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckReturn(this);
|
|
};
|
|
return ReturnStatement;
|
|
})(Statement);
|
|
TypeScript.ReturnStatement = ReturnStatement;
|
|
var EndCode = (function (_super) {
|
|
__extends(EndCode, _super);
|
|
function EndCode() {
|
|
_super.call(this, NodeType.EndCode);
|
|
}
|
|
return EndCode;
|
|
})(AST);
|
|
TypeScript.EndCode = EndCode;
|
|
var ForInStatement = (function (_super) {
|
|
__extends(ForInStatement, _super);
|
|
function ForInStatement(lval, obj) {
|
|
_super.call(this, NodeType.ForIn);
|
|
this.lval = lval;
|
|
this.obj = obj;
|
|
this.statement = new ASTSpan();
|
|
if (this.lval && (this.lval.nodeType == NodeType.VarDecl)) {
|
|
this.lval.varFlags |= VarFlags.AutoInit;
|
|
}
|
|
}
|
|
ForInStatement.prototype.isLoop = function () { return true; };
|
|
ForInStatement.prototype.isFiltered = function () {
|
|
if (this.body) {
|
|
var singleItem = null;
|
|
if (this.body.nodeType == NodeType.List) {
|
|
var stmts = this.body;
|
|
if (stmts.members.length == 1) {
|
|
singleItem = stmts.members[0];
|
|
}
|
|
}
|
|
else {
|
|
singleItem = this.body;
|
|
}
|
|
// match template for filtering 'own' properties from obj
|
|
if (singleItem !== null) {
|
|
if (singleItem.nodeType == NodeType.Block) {
|
|
var block = singleItem;
|
|
if ((block.statements !== null) && (block.statements.members.length == 1)) {
|
|
singleItem = block.statements.members[0];
|
|
}
|
|
}
|
|
if (singleItem.nodeType == NodeType.If) {
|
|
var cond = singleItem.cond;
|
|
if (cond.nodeType == NodeType.Call) {
|
|
var target = cond.target;
|
|
if (target.nodeType == NodeType.Dot) {
|
|
var binex = target;
|
|
if ((binex.operand1.nodeType == NodeType.Name) &&
|
|
(this.obj.nodeType == NodeType.Name) &&
|
|
(binex.operand1.actualText == this.obj.actualText)) {
|
|
var prop = binex.operand2;
|
|
if (prop.actualText == "hasOwnProperty") {
|
|
var args = cond.arguments;
|
|
if ((args !== null) && (args.members.length == 1)) {
|
|
var arg = args.members[0];
|
|
if ((arg.nodeType == NodeType.Name) &&
|
|
(this.lval.nodeType == NodeType.Name)) {
|
|
if ((this.lval.actualText) == arg.actualText) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
};
|
|
ForInStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("for(");
|
|
emitter.emitJavascript(this.lval, TokenID.For, false);
|
|
emitter.writeToOutput(" in ");
|
|
emitter.emitJavascript(this.obj, TokenID.For, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
ForInStatement.prototype.typeCheck = function (typeFlow) {
|
|
if (typeFlow.checker.styleSettings.forin) {
|
|
if (!this.isFiltered()) {
|
|
typeFlow.checker.errorReporter.styleError(this, "no hasOwnProperty filter");
|
|
}
|
|
}
|
|
return typeFlow.typeCheckForIn(this);
|
|
};
|
|
ForInStatement.prototype.addToControlFlow = function (context) {
|
|
if (this.lval) {
|
|
context.addContent(this.lval);
|
|
}
|
|
if (this.obj) {
|
|
context.addContent(this.obj);
|
|
}
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
if (this.body) {
|
|
context.pushStatement(this, loopStart, afterLoop);
|
|
context.walk(this.body, this);
|
|
context.popStatement();
|
|
}
|
|
if (!(context.noContinuation)) {
|
|
var loopEnd = context.current;
|
|
loopEnd.addSuccessor(loopStart);
|
|
}
|
|
context.current = afterLoop;
|
|
context.noContinuation = false;
|
|
loopHeader.addSuccessor(afterLoop);
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return ForInStatement;
|
|
})(Statement);
|
|
TypeScript.ForInStatement = ForInStatement;
|
|
var ForStatement = (function (_super) {
|
|
__extends(ForStatement, _super);
|
|
function ForStatement(init) {
|
|
_super.call(this, NodeType.For);
|
|
this.init = init;
|
|
}
|
|
ForStatement.prototype.isLoop = function () { return true; };
|
|
ForStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.writeToOutput("for(");
|
|
if (this.init) {
|
|
if (this.init.nodeType != NodeType.List) {
|
|
emitter.emitJavascript(this.init, TokenID.For, false);
|
|
}
|
|
else {
|
|
emitter.setInVarBlock(this.init.members.length);
|
|
emitter.emitJavascriptList(this.init, null, TokenID.For, false, false, false);
|
|
}
|
|
}
|
|
emitter.writeToOutput("; ");
|
|
emitter.emitJavascript(this.cond, TokenID.For, false);
|
|
emitter.writeToOutput("; ");
|
|
emitter.emitJavascript(this.incr, TokenID.For, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
ForStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckFor(this);
|
|
};
|
|
ForStatement.prototype.addToControlFlow = function (context) {
|
|
if (this.init) {
|
|
context.addContent(this.init);
|
|
}
|
|
var loopHeader = context.current;
|
|
var loopStart = new BasicBlock();
|
|
var afterLoop = new BasicBlock();
|
|
loopHeader.addSuccessor(loopStart);
|
|
context.current = loopStart;
|
|
var condBlock = null;
|
|
var continueTarget = loopStart;
|
|
var incrBB = null;
|
|
if (this.incr) {
|
|
incrBB = new BasicBlock();
|
|
continueTarget = incrBB;
|
|
}
|
|
if (this.cond) {
|
|
condBlock = context.current;
|
|
context.addContent(this.cond);
|
|
context.current = new BasicBlock();
|
|
condBlock.addSuccessor(context.current);
|
|
}
|
|
var targetInfo = null;
|
|
if (this.body) {
|
|
context.pushStatement(this, continueTarget, afterLoop);
|
|
context.walk(this.body, this);
|
|
targetInfo = context.popStatement();
|
|
}
|
|
if (this.incr) {
|
|
if (context.noContinuation) {
|
|
if (incrBB.predecessors.length == 0) {
|
|
context.addUnreachable(this.incr);
|
|
}
|
|
}
|
|
else {
|
|
context.current.addSuccessor(incrBB);
|
|
context.current = incrBB;
|
|
context.addContent(this.incr);
|
|
}
|
|
}
|
|
var loopEnd = context.current;
|
|
if (!(context.noContinuation)) {
|
|
loopEnd.addSuccessor(loopStart);
|
|
}
|
|
if (condBlock) {
|
|
condBlock.addSuccessor(afterLoop);
|
|
context.noContinuation = false;
|
|
}
|
|
if (afterLoop.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
context.current = afterLoop;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return ForStatement;
|
|
})(Statement);
|
|
TypeScript.ForStatement = ForStatement;
|
|
var WithStatement = (function (_super) {
|
|
__extends(WithStatement, _super);
|
|
function WithStatement(expr) {
|
|
_super.call(this, NodeType.With);
|
|
this.expr = expr;
|
|
this.withSym = null;
|
|
}
|
|
WithStatement.prototype.isCompoundStatement = function () { return true; };
|
|
WithStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("with (");
|
|
if (this.expr) {
|
|
emitter.emitJavascript(this.expr, TokenID.With, false);
|
|
}
|
|
emitter.writeToOutput(")");
|
|
emitter.emitJavascriptStatements(this.body, true, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
WithStatement.prototype.typeCheck = function (typeFlow) {
|
|
return typeFlow.typeCheckWith(this);
|
|
};
|
|
return WithStatement;
|
|
})(Statement);
|
|
TypeScript.WithStatement = WithStatement;
|
|
var SwitchStatement = (function (_super) {
|
|
__extends(SwitchStatement, _super);
|
|
function SwitchStatement(val) {
|
|
_super.call(this, NodeType.Switch);
|
|
this.val = val;
|
|
this.defaultCase = null;
|
|
this.statement = new ASTSpan();
|
|
}
|
|
SwitchStatement.prototype.isCompoundStatement = function () { return true; };
|
|
SwitchStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
var temp = emitter.setInObjectLiteral(false);
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("switch(");
|
|
emitter.emitJavascript(this.val, TokenID.Identifier, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.writeLineToOutput(" {");
|
|
emitter.indenter.increaseIndent();
|
|
var casesLen = this.caseList.members.length;
|
|
for (var i = 0; i < casesLen; i++) {
|
|
var caseExpr = this.caseList.members[i];
|
|
emitter.emitJavascript(caseExpr, TokenID.Case, true);
|
|
emitter.writeLineToOutput("");
|
|
}
|
|
emitter.indenter.decreaseIndent();
|
|
emitter.emitIndent();
|
|
emitter.writeToOutput("}");
|
|
emitter.setInObjectLiteral(temp);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
SwitchStatement.prototype.typeCheck = function (typeFlow) {
|
|
var len = this.caseList.members.length;
|
|
this.val = typeFlow.typeCheck(this.val);
|
|
for (var i = 0; i < len; i++) {
|
|
this.caseList.members[i] = typeFlow.typeCheck(this.caseList.members[i]);
|
|
}
|
|
this.defaultCase = typeFlow.typeCheck(this.defaultCase);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
// if there are break statements that match this switch, then just link cond block with block after switch
|
|
SwitchStatement.prototype.addToControlFlow = function (context) {
|
|
var condBlock = context.current;
|
|
context.addContent(this.val);
|
|
var execBlock = new BasicBlock();
|
|
var afterSwitch = new BasicBlock();
|
|
condBlock.addSuccessor(execBlock);
|
|
context.pushSwitch(execBlock);
|
|
context.current = execBlock;
|
|
context.pushStatement(this, execBlock, afterSwitch);
|
|
context.walk(this.caseList, this);
|
|
context.popSwitch();
|
|
var targetInfo = context.popStatement();
|
|
var hasCondContinuation = (this.defaultCase == null);
|
|
if (this.defaultCase == null) {
|
|
condBlock.addSuccessor(afterSwitch);
|
|
}
|
|
if (afterSwitch.predecessors.length > 0) {
|
|
context.noContinuation = false;
|
|
context.current = afterSwitch;
|
|
}
|
|
else {
|
|
context.noContinuation = true;
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return SwitchStatement;
|
|
})(Statement);
|
|
TypeScript.SwitchStatement = SwitchStatement;
|
|
var CaseStatement = (function (_super) {
|
|
__extends(CaseStatement, _super);
|
|
function CaseStatement() {
|
|
_super.call(this, NodeType.Case);
|
|
this.expr = null;
|
|
}
|
|
CaseStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
if (this.expr) {
|
|
emitter.writeToOutput("case ");
|
|
emitter.emitJavascript(this.expr, TokenID.Identifier, false);
|
|
}
|
|
else {
|
|
emitter.writeToOutput("default");
|
|
}
|
|
emitter.writeToOutput(":");
|
|
emitter.emitJavascriptStatements(this.body, false, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
CaseStatement.prototype.typeCheck = function (typeFlow) {
|
|
this.expr = typeFlow.typeCheck(this.expr);
|
|
typeFlow.typeCheck(this.body);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
// TODO: more reasoning about unreachable cases (such as duplicate literals as case expressions)
|
|
// for now, assume all cases are reachable, regardless of whether some cases fall through
|
|
CaseStatement.prototype.addToControlFlow = function (context) {
|
|
var execBlock = new BasicBlock();
|
|
var sw = context.currentSwitch[context.currentSwitch.length - 1];
|
|
// TODO: fall-through from previous (+ to end of switch)
|
|
if (this.expr) {
|
|
var exprBlock = new BasicBlock();
|
|
context.current = exprBlock;
|
|
sw.addSuccessor(exprBlock);
|
|
context.addContent(this.expr);
|
|
exprBlock.addSuccessor(execBlock);
|
|
}
|
|
else {
|
|
sw.addSuccessor(execBlock);
|
|
}
|
|
context.current = execBlock;
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return CaseStatement;
|
|
})(Statement);
|
|
TypeScript.CaseStatement = CaseStatement;
|
|
var TypeReference = (function (_super) {
|
|
__extends(TypeReference, _super);
|
|
function TypeReference(term, arrayCount) {
|
|
_super.call(this, NodeType.TypeRef);
|
|
this.term = term;
|
|
this.arrayCount = arrayCount;
|
|
}
|
|
TypeReference.prototype.emit = function (emitter, tokenId, startLine) {
|
|
throw new Error("should not emit a type ref");
|
|
};
|
|
TypeReference.prototype.typeCheck = function (typeFlow) {
|
|
var prevInTCTR = typeFlow.inTypeRefTypeCheck;
|
|
typeFlow.inTypeRefTypeCheck = true;
|
|
var typeLink = getTypeLink(this, typeFlow.checker, true);
|
|
typeFlow.checker.resolveTypeLink(typeFlow.scope, typeLink, false);
|
|
if (this.term) {
|
|
typeFlow.typeCheck(this.term);
|
|
}
|
|
typeFlow.checkForVoidConstructor(typeLink.type, this);
|
|
this.type = typeLink.type;
|
|
// in error recovery cases, there may not be a term
|
|
if (this.term) {
|
|
this.term.type = this.type;
|
|
}
|
|
typeFlow.inTypeRefTypeCheck = prevInTCTR;
|
|
return this;
|
|
};
|
|
return TypeReference;
|
|
})(AST);
|
|
TypeScript.TypeReference = TypeReference;
|
|
var TryFinally = (function (_super) {
|
|
__extends(TryFinally, _super);
|
|
function TryFinally(tryNode, finallyNode) {
|
|
_super.call(this, NodeType.TryFinally);
|
|
this.tryNode = tryNode;
|
|
this.finallyNode = finallyNode;
|
|
}
|
|
TryFinally.prototype.isCompoundStatement = function () { return true; };
|
|
TryFinally.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.tryNode, TokenID.Try, false);
|
|
emitter.emitJavascript(this.finallyNode, TokenID.Finally, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
};
|
|
TryFinally.prototype.typeCheck = function (typeFlow) {
|
|
this.tryNode = typeFlow.typeCheck(this.tryNode);
|
|
this.finallyNode = typeFlow.typeCheck(this.finallyNode);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
TryFinally.prototype.addToControlFlow = function (context) {
|
|
var afterFinally = new BasicBlock();
|
|
context.walk(this.tryNode, this);
|
|
var finBlock = new BasicBlock();
|
|
if (context.current) {
|
|
context.current.addSuccessor(finBlock);
|
|
}
|
|
context.current = finBlock;
|
|
context.pushStatement(this, null, afterFinally);
|
|
context.walk(this.finallyNode, this);
|
|
if (!context.noContinuation && context.current) {
|
|
context.current.addSuccessor(afterFinally);
|
|
}
|
|
if (afterFinally.predecessors.length > 0) {
|
|
context.current = afterFinally;
|
|
}
|
|
else {
|
|
context.noContinuation = true;
|
|
}
|
|
context.popStatement();
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
return TryFinally;
|
|
})(Statement);
|
|
TypeScript.TryFinally = TryFinally;
|
|
var TryCatch = (function (_super) {
|
|
__extends(TryCatch, _super);
|
|
function TryCatch(tryNode, catchNode) {
|
|
_super.call(this, NodeType.TryCatch);
|
|
this.tryNode = tryNode;
|
|
this.catchNode = catchNode;
|
|
}
|
|
TryCatch.prototype.isCompoundStatement = function () { return true; };
|
|
TryCatch.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.emitJavascript(this.tryNode, TokenID.Try, false);
|
|
emitter.emitJavascript(this.catchNode, TokenID.Catch, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
TryCatch.prototype.addToControlFlow = function (context) {
|
|
var beforeTry = context.current;
|
|
var tryBlock = new BasicBlock();
|
|
beforeTry.addSuccessor(tryBlock);
|
|
context.current = tryBlock;
|
|
var afterTryCatch = new BasicBlock();
|
|
context.pushStatement(this, null, afterTryCatch);
|
|
context.walk(this.tryNode, this);
|
|
if (!context.noContinuation) {
|
|
if (context.current) {
|
|
context.current.addSuccessor(afterTryCatch);
|
|
}
|
|
}
|
|
context.current = new BasicBlock();
|
|
beforeTry.addSuccessor(context.current);
|
|
context.walk(this.catchNode, this);
|
|
context.popStatement();
|
|
if (!context.noContinuation) {
|
|
if (context.current) {
|
|
context.current.addSuccessor(afterTryCatch);
|
|
}
|
|
}
|
|
context.current = afterTryCatch;
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
TryCatch.prototype.typeCheck = function (typeFlow) {
|
|
this.tryNode = typeFlow.typeCheck(this.tryNode);
|
|
this.catchNode = typeFlow.typeCheck(this.catchNode);
|
|
this.type = typeFlow.voidType;
|
|
return this;
|
|
};
|
|
return TryCatch;
|
|
})(Statement);
|
|
TypeScript.TryCatch = TryCatch;
|
|
var Try = (function (_super) {
|
|
__extends(Try, _super);
|
|
function Try(body) {
|
|
_super.call(this, NodeType.Try);
|
|
this.body = body;
|
|
}
|
|
Try.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("try ");
|
|
emitter.emitJavascript(this.body, TokenID.Try, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
Try.prototype.typeCheck = function (typeFlow) {
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
return this;
|
|
};
|
|
Try.prototype.addToControlFlow = function (context) {
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.noContinuation = false;
|
|
};
|
|
return Try;
|
|
})(Statement);
|
|
TypeScript.Try = Try;
|
|
var Catch = (function (_super) {
|
|
__extends(Catch, _super);
|
|
function Catch(param, body) {
|
|
_super.call(this, NodeType.Catch);
|
|
this.param = param;
|
|
this.body = body;
|
|
this.statement = new ASTSpan();
|
|
this.containedScope = null;
|
|
if (this.param) {
|
|
this.param.varFlags |= VarFlags.AutoInit;
|
|
}
|
|
}
|
|
Catch.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput(" ");
|
|
emitter.recordSourceMappingStart(this.statement);
|
|
emitter.writeToOutput("catch (");
|
|
emitter.emitJavascript(this.param, TokenID.OpenParen, false);
|
|
emitter.writeToOutput(")");
|
|
emitter.recordSourceMappingEnd(this.statement);
|
|
emitter.emitJavascript(this.body, TokenID.Catch, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
Catch.prototype.addToControlFlow = function (context) {
|
|
if (this.param) {
|
|
context.addContent(this.param);
|
|
var bodBlock = new BasicBlock();
|
|
context.current.addSuccessor(bodBlock);
|
|
context.current = bodBlock;
|
|
}
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.noContinuation = false;
|
|
context.walker.options.goChildren = false;
|
|
};
|
|
Catch.prototype.typeCheck = function (typeFlow) {
|
|
var prevScope = typeFlow.scope;
|
|
typeFlow.scope = this.containedScope;
|
|
this.param = typeFlow.typeCheck(this.param);
|
|
var exceptVar = new ValueLocation();
|
|
var varSym = new VariableSymbol(this.param.id.text, this.param.minChar, typeFlow.checker.locationInfo.unitIndex, exceptVar);
|
|
exceptVar.symbol = varSym;
|
|
exceptVar.typeLink = new TypeLink();
|
|
// var type for now (add syntax for type annotation)
|
|
exceptVar.typeLink.type = typeFlow.anyType;
|
|
var thisFnc = typeFlow.thisFnc;
|
|
if (thisFnc && thisFnc.type) {
|
|
exceptVar.symbol.container = thisFnc.type.symbol;
|
|
}
|
|
else {
|
|
exceptVar.symbol.container = null;
|
|
}
|
|
this.param.sym = exceptVar.symbol;
|
|
typeFlow.scope.enter(exceptVar.symbol.container, this.param, exceptVar.symbol, typeFlow.checker.errorReporter, false, false, false);
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
// if we're in provisional typecheck mode, clean up the symbol entry
|
|
// REVIEW: This is obviously bad form, since we're counting on the internal
|
|
// layout of the symbol table, but this is also the only place where we insert
|
|
// symbols during typecheck
|
|
if (typeFlow.checker.inProvisionalTypecheckMode()) {
|
|
var table = typeFlow.scope.getTable();
|
|
table.secondaryTable.table[exceptVar.symbol.name] = undefined;
|
|
}
|
|
this.type = typeFlow.voidType;
|
|
typeFlow.scope = prevScope;
|
|
return this;
|
|
};
|
|
return Catch;
|
|
})(Statement);
|
|
TypeScript.Catch = Catch;
|
|
var Finally = (function (_super) {
|
|
__extends(Finally, _super);
|
|
function Finally(body) {
|
|
_super.call(this, NodeType.Finally);
|
|
this.body = body;
|
|
}
|
|
Finally.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeToOutput("finally");
|
|
emitter.emitJavascript(this.body, TokenID.Finally, false);
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
Finally.prototype.addToControlFlow = function (context) {
|
|
if (this.body) {
|
|
context.walk(this.body, this);
|
|
}
|
|
context.walker.options.goChildren = false;
|
|
context.noContinuation = false;
|
|
};
|
|
Finally.prototype.typeCheck = function (typeFlow) {
|
|
this.body = typeFlow.typeCheck(this.body);
|
|
return this;
|
|
};
|
|
return Finally;
|
|
})(Statement);
|
|
TypeScript.Finally = Finally;
|
|
var Comment = (function (_super) {
|
|
__extends(Comment, _super);
|
|
function Comment(content, isBlockComment, endsLine) {
|
|
_super.call(this, NodeType.Comment);
|
|
this.content = content;
|
|
this.isBlockComment = isBlockComment;
|
|
this.endsLine = endsLine;
|
|
this.text = null;
|
|
}
|
|
Comment.prototype.getText = function () {
|
|
if (this.text == null) {
|
|
if (this.isBlockComment) {
|
|
this.text = this.content.split("\n");
|
|
for (var i = 0; i < this.text.length; i++) {
|
|
this.text[i] = this.text[i].replace(/^\s+|\s+$/g, '');
|
|
}
|
|
}
|
|
else {
|
|
this.text = [(this.content.replace(/^\s+|\s+$/g, ''))];
|
|
}
|
|
}
|
|
return this.text;
|
|
};
|
|
return Comment;
|
|
})(AST);
|
|
TypeScript.Comment = Comment;
|
|
var DebuggerStatement = (function (_super) {
|
|
__extends(DebuggerStatement, _super);
|
|
function DebuggerStatement() {
|
|
_super.call(this, NodeType.Debugger);
|
|
}
|
|
DebuggerStatement.prototype.emit = function (emitter, tokenId, startLine) {
|
|
emitter.emitParensAndCommentsInPlace(this, true);
|
|
emitter.recordSourceMappingStart(this);
|
|
emitter.writeLineToOutput("debugger;");
|
|
emitter.recordSourceMappingEnd(this);
|
|
emitter.emitParensAndCommentsInPlace(this, false);
|
|
};
|
|
return DebuggerStatement;
|
|
})(Statement);
|
|
TypeScript.DebuggerStatement = DebuggerStatement;
|
|
})(TypeScript || (TypeScript = {}));
|