StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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83 lines
2.3 KiB
83 lines
2.3 KiB
4 years ago
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'use strict';
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var createCustomError = require('../utils/createCustomError');
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var generateGrammar = require('./grammar/generate');
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function getLocation(node, point) {
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var loc = node && node.loc && node.loc[point];
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return loc
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? { offset: loc.offset,
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line: loc.line,
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column: loc.column }
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: null;
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}
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var SyntaxReferenceError = function(type, referenceName) {
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var error = createCustomError(
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'SyntaxReferenceError',
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type + (referenceName ? ' `' + referenceName + '`' : '')
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);
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error.reference = referenceName;
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return error;
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};
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var MatchError = function(message, lexer, syntax, value, badNode) {
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var error = createCustomError('SyntaxMatchError', message);
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var errorOffset = -1;
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var start = getLocation(badNode, 'start');
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var end = getLocation(badNode, 'end');
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var css = lexer.syntax.generate(value, {
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decorator: function(handlers) {
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var bufferOffset = 0;
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var handlersChunk = handlers.chunk;
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handlers.chunk = function(chunk) {
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bufferOffset += chunk.length;
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handlersChunk(chunk);
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};
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var handlersNode = handlers.node;
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handlers.node = function(node) {
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if (node === badNode) {
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errorOffset = bufferOffset;
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}
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handlersNode.call(this, node);
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};
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return handlers;
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}
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});
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if (errorOffset === -1) {
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errorOffset = css.length;
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}
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error.rawMessage = message;
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error.syntax = syntax ? generateGrammar(syntax) : '<generic>';
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error.css = css;
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error.mismatchOffset = errorOffset;
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error.loc = {
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source: badNode && badNode.loc && badNode.loc.source || '<unknown>',
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start: start,
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end: end
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};
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error.line = start ? start.line : undefined;
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error.column = start ? start.column : undefined;
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error.offset = start ? start.offset : undefined;
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error.message = message + '\n' +
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' syntax: ' + error.syntax + '\n' +
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' value: ' + (error.css || '<empty string>') + '\n' +
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' --------' + new Array(error.mismatchOffset + 1).join('-') + '^';
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return error;
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};
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module.exports = {
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SyntaxReferenceError: SyntaxReferenceError,
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MatchError: MatchError
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};
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