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102 lines
3.3 KiB
102 lines
3.3 KiB
// Generated by LiveScript 1.2.0 |
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(function(){ |
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var reject, special, tokenRegex; |
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reject = require('prelude-ls').reject; |
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function consumeOp(tokens, op){ |
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if (tokens[0] === op) { |
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return tokens.shift(); |
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} else { |
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throw new Error("Expected '" + op + "', but got '" + tokens[0] + "' instead in " + JSON.stringify(tokens) + "."); |
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} |
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} |
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function maybeConsumeOp(tokens, op){ |
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if (tokens[0] === op) { |
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return tokens.shift(); |
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} |
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} |
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function consumeList(tokens, delimiters, hasDelimiters){ |
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var result; |
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if (hasDelimiters) { |
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consumeOp(tokens, delimiters[0]); |
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} |
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result = []; |
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while (tokens.length && tokens[0] !== delimiters[1]) { |
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result.push(consumeElement(tokens)); |
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maybeConsumeOp(tokens, ','); |
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} |
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if (hasDelimiters) { |
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consumeOp(tokens, delimiters[1]); |
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} |
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return result; |
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} |
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function consumeArray(tokens, hasDelimiters){ |
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return consumeList(tokens, ['[', ']'], hasDelimiters); |
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} |
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function consumeTuple(tokens, hasDelimiters){ |
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return consumeList(tokens, ['(', ')'], hasDelimiters); |
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} |
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function consumeFields(tokens, hasDelimiters){ |
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var result, key; |
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if (hasDelimiters) { |
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consumeOp(tokens, '{'); |
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} |
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result = {}; |
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while (tokens.length && (!hasDelimiters || tokens[0] !== '}')) { |
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key = tokens.shift(); |
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consumeOp(tokens, ':'); |
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result[key] = consumeElement(tokens); |
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maybeConsumeOp(tokens, ','); |
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} |
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if (hasDelimiters) { |
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consumeOp(tokens, '}'); |
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} |
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return result; |
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} |
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function consumeElement(tokens){ |
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switch (tokens[0]) { |
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case '[': |
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return consumeArray(tokens, true); |
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case '(': |
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return consumeTuple(tokens, true); |
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case '{': |
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return consumeFields(tokens, true); |
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default: |
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return tokens.shift(); |
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} |
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} |
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function consumeTopLevel(tokens, types){ |
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var ref$, type, structure, origTokens, result, finalResult, x$, y$; |
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ref$ = types[0], type = ref$.type, structure = ref$.structure; |
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origTokens = tokens.concat(); |
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if (types.length === 1 && (structure || (type === 'Array' || type === 'Object'))) { |
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result = structure === 'array' || type === 'Array' |
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? consumeArray(tokens, tokens[0] === '[') |
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: structure === 'tuple' |
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? consumeTuple(tokens, tokens[0] === '(') |
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: consumeFields(tokens, tokens[0] === '{'); |
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finalResult = tokens.length ? consumeElement(structure === 'array' || type === 'Array' |
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? (x$ = origTokens, x$.unshift('['), x$.push(']'), x$) |
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: (y$ = origTokens, y$.unshift('('), y$.push(')'), y$)) : result; |
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} else { |
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finalResult = consumeElement(tokens); |
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} |
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if (tokens.length && origTokens.length) { |
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throw new Error("Unable to parse " + JSON.stringify(origTokens) + " of type " + JSON.stringify(types) + "."); |
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} else { |
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return finalResult; |
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} |
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} |
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special = /\[\]\(\)}{:,/.source; |
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tokenRegex = RegExp('("(?:[^"]|\\\\")*")|(\'(?:[^\']|\\\\\')*\')|(#.*#)|(/(?:\\\\/|[^/])*/[gimy]*)|([' + special + '])|([^\\s' + special + ']+)|\\s*'); |
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module.exports = function(string, types){ |
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var tokens, node; |
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tokens = reject(function(it){ |
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return !it || /^\s+$/.test(it); |
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}, string.split(tokenRegex)); |
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node = consumeTopLevel(tokens, types); |
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if (!node) { |
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throw new Error("Error parsing '" + string + "'."); |
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} |
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return node; |
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}; |
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}).call(this);
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