antlr4ts
Version:
ANTLR 4 runtime for JavaScript written in Typescript
229 lines • 7.91 kB
JavaScript
"use strict";
/*!
* Copyright 2016 The ANTLR Project. All rights reserved.
* Licensed under the BSD-3-Clause license. See LICENSE file in the project root for license information.
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CommonToken = void 0;
const Interval_1 = require("./misc/Interval");
const Decorators_1 = require("./Decorators");
const Token_1 = require("./Token");
let CommonToken = class CommonToken {
constructor(type, text, source = CommonToken.EMPTY_SOURCE, channel = Token_1.Token.DEFAULT_CHANNEL, start = 0, stop = 0) {
/**
* This is the backing field for {@link #getLine} and {@link #setLine}.
*/
this._line = 0;
/**
* This is the backing field for {@link #getCharPositionInLine} and
* {@link #setCharPositionInLine}.
*/
this._charPositionInLine = -1; // set to invalid position
/**
* This is the backing field for {@link #getChannel} and
* {@link #setChannel}.
*/
this._channel = Token_1.Token.DEFAULT_CHANNEL;
/**
* This is the backing field for `tokenIndex`.
*/
this.index = -1;
this._text = text;
this._type = type;
this.source = source;
this._channel = channel;
this.start = start;
this.stop = stop;
if (source.source != null) {
this._line = source.source.line;
this._charPositionInLine = source.source.charPositionInLine;
}
}
/**
* Constructs a new {@link CommonToken} as a copy of another {@link Token}.
*
* If `oldToken` is also a {@link CommonToken} instance, the newly
* constructed token will share a reference to the {@link #text} field and
* the {@link Tuple2} stored in {@link #source}. Otherwise, {@link #text} will
* be assigned the result of calling {@link #getText}, and {@link #source}
* will be constructed from the result of {@link Token#getTokenSource} and
* {@link Token#getInputStream}.
*
* @param oldToken The token to copy.
*/
static fromToken(oldToken) {
let result = new CommonToken(oldToken.type, undefined, CommonToken.EMPTY_SOURCE, oldToken.channel, oldToken.startIndex, oldToken.stopIndex);
result._line = oldToken.line;
result.index = oldToken.tokenIndex;
result._charPositionInLine = oldToken.charPositionInLine;
if (oldToken instanceof CommonToken) {
result._text = oldToken._text;
result.source = oldToken.source;
}
else {
result._text = oldToken.text;
result.source = { source: oldToken.tokenSource, stream: oldToken.inputStream };
}
return result;
}
get type() {
return this._type;
}
// @Override
set type(type) {
this._type = type;
}
get line() {
return this._line;
}
// @Override
set line(line) {
this._line = line;
}
get text() {
if (this._text != null) {
return this._text;
}
let input = this.inputStream;
if (input == null) {
return undefined;
}
let n = input.size;
if (this.start < n && this.stop < n) {
return input.getText(Interval_1.Interval.of(this.start, this.stop));
}
else {
return "<EOF>";
}
}
/**
* Explicitly set the text for this token. If {code text} is not
* `undefined`, then {@link #getText} will return this value rather than
* extracting the text from the input.
*
* @param text The explicit text of the token, or `undefined` if the text
* should be obtained from the input along with the start and stop indexes
* of the token.
*/
// @Override
set text(text) {
this._text = text;
}
get charPositionInLine() {
return this._charPositionInLine;
}
// @Override
set charPositionInLine(charPositionInLine) {
this._charPositionInLine = charPositionInLine;
}
get channel() {
return this._channel;
}
// @Override
set channel(channel) {
this._channel = channel;
}
get startIndex() {
return this.start;
}
set startIndex(start) {
this.start = start;
}
get stopIndex() {
return this.stop;
}
set stopIndex(stop) {
this.stop = stop;
}
get tokenIndex() {
return this.index;
}
// @Override
set tokenIndex(index) {
this.index = index;
}
get tokenSource() {
return this.source.source;
}
get inputStream() {
return this.source.stream;
}
toString(recognizer) {
let channelStr = "";
if (this._channel > 0) {
channelStr = ",channel=" + this._channel;
}
let txt = this.text;
if (txt != null) {
txt = txt.replace(/\n/g, "\\n");
txt = txt.replace(/\r/g, "\\r");
txt = txt.replace(/\t/g, "\\t");
}
else {
txt = "<no text>";
}
let typeString = String(this._type);
if (recognizer) {
typeString = recognizer.vocabulary.getDisplayName(this._type);
}
return "[@" + this.tokenIndex + "," + this.start + ":" + this.stop + "='" + txt + "',<" + typeString + ">" + channelStr + "," + this._line + ":" + this.charPositionInLine + "]";
}
};
/**
* An empty {@link Tuple2} which is used as the default value of
* {@link #source} for tokens that do not have a source.
*/
CommonToken.EMPTY_SOURCE = { source: undefined, stream: undefined };
__decorate([
Decorators_1.NotNull
], CommonToken.prototype, "source", void 0);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "type", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "line", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "text", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "charPositionInLine", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "channel", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "startIndex", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "stopIndex", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "tokenIndex", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "tokenSource", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "inputStream", null);
__decorate([
Decorators_1.Override
], CommonToken.prototype, "toString", null);
__decorate([
__param(0, Decorators_1.NotNull)
], CommonToken, "fromToken", null);
CommonToken = __decorate([
__param(2, Decorators_1.NotNull)
], CommonToken);
exports.CommonToken = CommonToken;
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