99 lines
2.4 KiB
JavaScript
99 lines
2.4 KiB
JavaScript
var fs = require('fs');
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var acorn = require('acorn');
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var walk = require('acorn/dist/walk');
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var hadErrors = false;
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var lexerFunctions = {
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advance: true,
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append: true,
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attributesBlock: true,
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attrs: true,
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blank: true,
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block: true,
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blockCode: true,
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call: true,
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case: true,
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className: true,
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code: true,
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colon: true,
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comment: true,
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conditional: true,
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default: true,
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doctype: true,
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dot: true,
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each: true,
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eos: true,
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endInterpolation: true,
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extends: true,
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filter: true,
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id: true,
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include: true,
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indent: true,
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interpolation: true,
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isExpression: true,
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mixin: true,
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mixinBlock: true,
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path: true,
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pipelessText: true,
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prepend: true,
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slash: true,
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tag: true,
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text: true,
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textHtml: true,
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when: true,
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while: true,
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yield: true,
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};
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function checkDirectCalls (node) {
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var callee = node.callee;
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if (callee.type !== 'MemberExpression') return;
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if (callee.object.type !== 'ThisExpression') return;
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var property = callee.property;
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var func;
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if (callee.computed) {
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if (property.type !== 'Literal') return;
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func = property.value;
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} else {
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func = property.name;
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}
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if (!lexerFunctions[func]) return;
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console.log('index.js:' + node.loc.start.line + ':' + node.loc.start.column + ': Lexer function ' + func + ' called directly');
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hadErrors = true;
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}
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function checkMissingLexerFunction (node) {
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var callee = node.callee;
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if (callee.type !== 'MemberExpression') return;
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if (callee.object.type !== 'ThisExpression') return;
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var property = callee.property;
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var func;
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if (callee.computed) {
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if (property.type !== 'Literal') return;
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func = property.value;
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} else {
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func = property.name;
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}
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if (func !== 'callLexerFunction') return;
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if (!node.arguments.length) return;
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if (node.arguments[0].type !== 'Literal') return;
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func = node.arguments[0].value;
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if (lexerFunctions[func]) return;
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console.log('index.js:' + node.loc.start.line + ':' + node.loc.start.column + ': Lexer function ' + func + ' not in lexerFunctions list');
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hadErrors = true;
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}
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test('lexer functions', () => {
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var str = fs.readFileSync(__dirname + '/../index.js', 'utf8');
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var ast = acorn.parse(str, {locations: true});
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walk.simple(ast, {
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CallExpression: function (node) {
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checkDirectCalls(node);
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checkMissingLexerFunction(node);
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}
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});
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if (hadErrors) {
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throw new Error('Problem with lexer functions detected');
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}
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});
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