@ibyar/expressions
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Aurora expression, an template expression and evaluation, An 100% spec compliant ES2022 JavaScript toolchain,
170 lines • 6.65 kB
JavaScript
import { __esDecorate, __runInitializers } from "tslib";
import { AbstractExpressionNode, ReturnValue } from '../../abstract.js';
import { Deserializer } from '../../deserialize/deserialize.js';
import { TerminateReturnType } from '../control/terminate.js';
/**
* The while statement creates a loop that executes a specified
* statement as long as the test condition evaluates to true.
* The condition is evaluated before executing the statement.
*
*/
let WhileNode = (() => {
let _classDecorators = [Deserializer('WhileStatement')];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = AbstractExpressionNode;
var WhileNode = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
WhileNode = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
test;
body;
static fromJSON(node, deserializer) {
return new WhileNode(deserializer(node.test), deserializer(node.body), node.range, node.loc);
}
static visit(node, visitNode) {
visitNode(node.body);
visitNode(node.test);
}
constructor(test, body, range, loc) {
super(range, loc);
this.test = test;
this.body = body;
}
getTest() {
return this.test;
}
getBody() {
return this.body;
}
set(stack, value) {
throw new Error(`WhileNode#set() has no implementation.`);
}
get(stack) {
const condition = this.test.get(stack);
const whileBlock = stack.pushBlockScope();
while (condition) {
const result = this.body.get(stack);
// useless case, as it at the end of for statement
// an array/block statement, should return last signal
if (result instanceof TerminateReturnType) {
if (result.type === 'continue') {
continue;
}
else {
break;
}
}
if (result instanceof ReturnValue) {
stack.clearTo(whileBlock);
return result;
}
}
stack.clearTo(whileBlock);
return void 0;
}
dependency(computed) {
return this.test.dependency(computed).concat(this.body.dependency(computed));
}
dependencyPath(computed) {
return this.test.dependencyPath(computed).concat(this.body.dependencyPath(computed));
}
toString() {
return `while (${this.test.toString()}) ${this.body.toString()}`;
}
toJson() {
return {
test: this.test.toJSON(),
body: this.body.toJSON()
};
}
};
return WhileNode = _classThis;
})();
export { WhileNode };
let DoWhileNode = (() => {
let _classDecorators = [Deserializer('DoWhileStatement')];
let _classDescriptor;
let _classExtraInitializers = [];
let _classThis;
let _classSuper = AbstractExpressionNode;
var DoWhileNode = class extends _classSuper {
static { _classThis = this; }
static {
const _metadata = typeof Symbol === "function" && Symbol.metadata ? Object.create(_classSuper[Symbol.metadata] ?? null) : void 0;
__esDecorate(null, _classDescriptor = { value: _classThis }, _classDecorators, { kind: "class", name: _classThis.name, metadata: _metadata }, null, _classExtraInitializers);
DoWhileNode = _classThis = _classDescriptor.value;
if (_metadata) Object.defineProperty(_classThis, Symbol.metadata, { enumerable: true, configurable: true, writable: true, value: _metadata });
__runInitializers(_classThis, _classExtraInitializers);
}
test;
body;
static fromJSON(node, deserializer) {
return new DoWhileNode(deserializer(node.test), deserializer(node.body), node.range, node.loc);
}
static visit(node, visitNode) {
visitNode(node.test);
visitNode(node.body);
}
constructor(test, body, range, loc) {
super(range, loc);
this.test = test;
this.body = body;
}
getTest() {
return this.test;
}
getBody() {
return this.body;
}
set(stack, value) {
throw new Error(`WhileNode#set() has no implementation.`);
}
get(stack) {
const whileBlock = stack.pushBlockScope();
do {
const result = this.body.get(stack);
// useless case, as it at the end of for statement
// an array/block statement, should return last signal
if (result instanceof TerminateReturnType) {
if (result.type === 'continue') {
continue;
}
else {
break;
}
}
if (result instanceof ReturnValue) {
stack.clearTo(whileBlock);
return result;
}
} while (this.test.get(stack));
stack.clearTo(whileBlock);
return void 0;
}
dependency(computed) {
return this.body.dependency(computed).concat(this.test.dependency(computed));
}
dependencyPath(computed) {
return this.body.dependencyPath(computed).concat(this.test.dependencyPath(computed));
}
toString() {
return `do {${this.body.toString()}} while (${this.test.toString()})`;
}
toJson() {
return {
test: this.test.toJSON(),
body: this.body.toJSON()
};
}
};
return DoWhileNode = _classThis;
})();
export { DoWhileNode };
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