103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
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// 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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