优化

‘liusuyi’

2023-10-21 ae92b6823499cfab77201b4033922fa373fb37a3

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'use strict';
 
const ErrorReportingMixinBase = require('./mixin-base');
const ErrorReportingTokenizerMixin = require('./tokenizer-mixin');
const LocationInfoTokenizerMixin = require('../location-info/tokenizer-mixin');
const Mixin = require('../../utils/mixin');
 
class ErrorReportingParserMixin extends ErrorReportingMixinBase {
    constructor(parser, opts) {
        super(parser, opts);
 
        this.opts = opts;
        this.ctLoc = null;
        this.locBeforeToken = false;
    }
 
    _setErrorLocation(err) {
        if (this.ctLoc) {
            err.startLine = this.ctLoc.startLine;
            err.startCol = this.ctLoc.startCol;
            err.startOffset = this.ctLoc.startOffset;
 
            err.endLine = this.locBeforeToken ? this.ctLoc.startLine : this.ctLoc.endLine;
            err.endCol = this.locBeforeToken ? this.ctLoc.startCol : this.ctLoc.endCol;
            err.endOffset = this.locBeforeToken ? this.ctLoc.startOffset : this.ctLoc.endOffset;
        }
    }
 
    _getOverriddenMethods(mxn, orig) {
        return {
            _bootstrap(document, fragmentContext) {
                orig._bootstrap.call(this, document, fragmentContext);
 
                Mixin.install(this.tokenizer, ErrorReportingTokenizerMixin, mxn.opts);
                Mixin.install(this.tokenizer, LocationInfoTokenizerMixin);
            },
 
            _processInputToken(token) {
                mxn.ctLoc = token.location;
 
                orig._processInputToken.call(this, token);
            },
 
            _err(code, options) {
                mxn.locBeforeToken = options && options.beforeToken;
                mxn._reportError(code);
            }
        };
    }
}
 
module.exports = ErrorReportingParserMixin;