| // Generated by CoffeeScript 1.8.0 |
| (function() { |
| var BALANCED_PAIRS, CALL_CLOSERS, EXPRESSION_CLOSE, EXPRESSION_END, EXPRESSION_START, IMPLICIT_CALL, IMPLICIT_END, IMPLICIT_FUNC, IMPLICIT_UNSPACED_CALL, INVERSES, LINEBREAKS, SINGLE_CLOSERS, SINGLE_LINERS, generate, left, rite, _i, _len, _ref, |
| __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; }, |
| __slice = [].slice; |
| |
| generate = function(tag, value, origin) { |
| var tok; |
| tok = [tag, value]; |
| tok.generated = true; |
| if (origin) { |
| tok.origin = origin; |
| } |
| return tok; |
| }; |
| |
| exports.Rewriter = (function() { |
| function Rewriter() {} |
| |
| Rewriter.prototype.rewrite = function(tokens) { |
| this.tokens = tokens; |
| this.removeLeadingNewlines(); |
| this.closeOpenCalls(); |
| this.closeOpenIndexes(); |
| this.normalizeLines(); |
| this.tagPostfixConditionals(); |
| this.addImplicitBracesAndParens(); |
| this.addLocationDataToGeneratedTokens(); |
| return this.tokens; |
| }; |
| |
| Rewriter.prototype.scanTokens = function(block) { |
| var i, token, tokens; |
| tokens = this.tokens; |
| i = 0; |
| while (token = tokens[i]) { |
| i += block.call(this, token, i, tokens); |
| } |
| return true; |
| }; |
| |
| Rewriter.prototype.detectEnd = function(i, condition, action) { |
| var levels, token, tokens, _ref, _ref1; |
| tokens = this.tokens; |
| levels = 0; |
| while (token = tokens[i]) { |
| if (levels === 0 && condition.call(this, token, i)) { |
| return action.call(this, token, i); |
| } |
| if (!token || levels < 0) { |
| return action.call(this, token, i - 1); |
| } |
| if (_ref = token[0], __indexOf.call(EXPRESSION_START, _ref) >= 0) { |
| levels += 1; |
| } else if (_ref1 = token[0], __indexOf.call(EXPRESSION_END, _ref1) >= 0) { |
| levels -= 1; |
| } |
| i += 1; |
| } |
| return i - 1; |
| }; |
| |
| Rewriter.prototype.removeLeadingNewlines = function() { |
| var i, tag, _i, _len, _ref; |
| _ref = this.tokens; |
| for (i = _i = 0, _len = _ref.length; _i < _len; i = ++_i) { |
| tag = _ref[i][0]; |
| if (tag !== 'TERMINATOR') { |
| break; |
| } |
| } |
| if (i) { |
| return this.tokens.splice(0, i); |
| } |
| }; |
| |
| Rewriter.prototype.closeOpenCalls = function() { |
| var action, condition; |
| condition = function(token, i) { |
| var _ref; |
| return ((_ref = token[0]) === ')' || _ref === 'CALL_END') || token[0] === 'OUTDENT' && this.tag(i - 1) === ')'; |
| }; |
| action = function(token, i) { |
| return this.tokens[token[0] === 'OUTDENT' ? i - 1 : i][0] = 'CALL_END'; |
| }; |
| return this.scanTokens(function(token, i) { |
| if (token[0] === 'CALL_START') { |
| this.detectEnd(i + 1, condition, action); |
| } |
| return 1; |
| }); |
| }; |
| |
| Rewriter.prototype.closeOpenIndexes = function() { |
| var action, condition; |
| condition = function(token, i) { |
| var _ref; |
| return (_ref = token[0]) === ']' || _ref === 'INDEX_END'; |
| }; |
| action = function(token, i) { |
| return token[0] = 'INDEX_END'; |
| }; |
| return this.scanTokens(function(token, i) { |
| if (token[0] === 'INDEX_START') { |
| this.detectEnd(i + 1, condition, action); |
| } |
| return 1; |
| }); |
| }; |
| |
| Rewriter.prototype.matchTags = function() { |
| var fuzz, i, j, pattern, _i, _ref, _ref1; |
| i = arguments[0], pattern = 2 <= arguments.length ? __slice.call(arguments, 1) : []; |
| fuzz = 0; |
| for (j = _i = 0, _ref = pattern.length; 0 <= _ref ? _i < _ref : _i > _ref; j = 0 <= _ref ? ++_i : --_i) { |
| while (this.tag(i + j + fuzz) === 'HERECOMMENT') { |
| fuzz += 2; |
| } |
| if (pattern[j] == null) { |
| continue; |
| } |
| if (typeof pattern[j] === 'string') { |
| pattern[j] = [pattern[j]]; |
| } |
| if (_ref1 = this.tag(i + j + fuzz), __indexOf.call(pattern[j], _ref1) < 0) { |
| return false; |
| } |
| } |
| return true; |
| }; |
| |
| Rewriter.prototype.looksObjectish = function(j) { |
| return this.matchTags(j, '@', null, ':') || this.matchTags(j, null, ':'); |
| }; |
| |
| Rewriter.prototype.findTagsBackwards = function(i, tags) { |
| var backStack, _ref, _ref1, _ref2, _ref3, _ref4, _ref5; |
| backStack = []; |
| while (i >= 0 && (backStack.length || (_ref2 = this.tag(i), __indexOf.call(tags, _ref2) < 0) && ((_ref3 = this.tag(i), __indexOf.call(EXPRESSION_START, _ref3) < 0) || this.tokens[i].generated) && (_ref4 = this.tag(i), __indexOf.call(LINEBREAKS, _ref4) < 0))) { |
| if (_ref = this.tag(i), __indexOf.call(EXPRESSION_END, _ref) >= 0) { |
| backStack.push(this.tag(i)); |
| } |
| if ((_ref1 = this.tag(i), __indexOf.call(EXPRESSION_START, _ref1) >= 0) && backStack.length) { |
| backStack.pop(); |
| } |
| i -= 1; |
| } |
| return _ref5 = this.tag(i), __indexOf.call(tags, _ref5) >= 0; |
| }; |
| |
| Rewriter.prototype.addImplicitBracesAndParens = function() { |
| var stack; |
| stack = []; |
| return this.scanTokens(function(token, i, tokens) { |
| var endImplicitCall, endImplicitObject, forward, inImplicit, inImplicitCall, inImplicitControl, inImplicitObject, newLine, nextTag, offset, prevTag, prevToken, s, sameLine, stackIdx, stackTag, stackTop, startIdx, startImplicitCall, startImplicitObject, startsLine, tag, _ref, _ref1, _ref2, _ref3, _ref4, _ref5; |
| tag = token[0]; |
| prevTag = (prevToken = i > 0 ? tokens[i - 1] : [])[0]; |
| nextTag = (i < tokens.length - 1 ? tokens[i + 1] : [])[0]; |
| stackTop = function() { |
| return stack[stack.length - 1]; |
| }; |
| startIdx = i; |
| forward = function(n) { |
| return i - startIdx + n; |
| }; |
| inImplicit = function() { |
| var _ref, _ref1; |
| return (_ref = stackTop()) != null ? (_ref1 = _ref[2]) != null ? _ref1.ours : void 0 : void 0; |
| }; |
| inImplicitCall = function() { |
| var _ref; |
| return inImplicit() && ((_ref = stackTop()) != null ? _ref[0] : void 0) === '('; |
| }; |
| inImplicitObject = function() { |
| var _ref; |
| return inImplicit() && ((_ref = stackTop()) != null ? _ref[0] : void 0) === '{'; |
| }; |
| inImplicitControl = function() { |
| var _ref; |
| return inImplicit && ((_ref = stackTop()) != null ? _ref[0] : void 0) === 'CONTROL'; |
| }; |
| startImplicitCall = function(j) { |
| var idx; |
| idx = j != null ? j : i; |
| stack.push([ |
| '(', idx, { |
| ours: true |
| } |
| ]); |
| tokens.splice(idx, 0, generate('CALL_START', '(')); |
| if (j == null) { |
| return i += 1; |
| } |
| }; |
| endImplicitCall = function() { |
| stack.pop(); |
| tokens.splice(i, 0, generate('CALL_END', ')')); |
| return i += 1; |
| }; |
| startImplicitObject = function(j, startsLine) { |
| var idx; |
| if (startsLine == null) { |
| startsLine = true; |
| } |
| idx = j != null ? j : i; |
| stack.push([ |
| '{', idx, { |
| sameLine: true, |
| startsLine: startsLine, |
| ours: true |
| } |
| ]); |
| tokens.splice(idx, 0, generate('{', generate(new String('{')), token)); |
| if (j == null) { |
| return i += 1; |
| } |
| }; |
| endImplicitObject = function(j) { |
| j = j != null ? j : i; |
| stack.pop(); |
| tokens.splice(j, 0, generate('}', '}', token)); |
| return i += 1; |
| }; |
| if (inImplicitCall() && (tag === 'IF' || tag === 'TRY' || tag === 'FINALLY' || tag === 'CATCH' || tag === 'CLASS' || tag === 'SWITCH')) { |
| stack.push([ |
| 'CONTROL', i, { |
| ours: true |
| } |
| ]); |
| return forward(1); |
| } |
| if (tag === 'INDENT' && inImplicit()) { |
| if (prevTag !== '=>' && prevTag !== '->' && prevTag !== '[' && prevTag !== '(' && prevTag !== ',' && prevTag !== '{' && prevTag !== 'TRY' && prevTag !== 'ELSE' && prevTag !== '=') { |
| while (inImplicitCall()) { |
| endImplicitCall(); |
| } |
| } |
| if (inImplicitControl()) { |
| stack.pop(); |
| } |
| stack.push([tag, i]); |
| return forward(1); |
| } |
| if (__indexOf.call(EXPRESSION_START, tag) >= 0) { |
| stack.push([tag, i]); |
| return forward(1); |
| } |
| if (__indexOf.call(EXPRESSION_END, tag) >= 0) { |
| while (inImplicit()) { |
| if (inImplicitCall()) { |
| endImplicitCall(); |
| } else if (inImplicitObject()) { |
| endImplicitObject(); |
| } else { |
| stack.pop(); |
| } |
| } |
| stack.pop(); |
| } |
| if ((__indexOf.call(IMPLICIT_FUNC, tag) >= 0 && token.spaced && !token.stringEnd || tag === '?' && i > 0 && !tokens[i - 1].spaced) && (__indexOf.call(IMPLICIT_CALL, nextTag) >= 0 || __indexOf.call(IMPLICIT_UNSPACED_CALL, nextTag) >= 0 && !((_ref = tokens[i + 1]) != null ? _ref.spaced : void 0) && !((_ref1 = tokens[i + 1]) != null ? _ref1.newLine : void 0))) { |
| if (tag === '?') { |
| tag = token[0] = 'FUNC_EXIST'; |
| } |
| startImplicitCall(i + 1); |
| return forward(2); |
| } |
| if (__indexOf.call(IMPLICIT_FUNC, tag) >= 0 && this.matchTags(i + 1, 'INDENT', null, ':') && !this.findTagsBackwards(i, ['CLASS', 'EXTENDS', 'IF', 'CATCH', 'SWITCH', 'LEADING_WHEN', 'FOR', 'WHILE', 'UNTIL'])) { |
| startImplicitCall(i + 1); |
| stack.push(['INDENT', i + 2]); |
| return forward(3); |
| } |
| if (tag === ':') { |
| if (this.tag(i - 2) === '@') { |
| s = i - 2; |
| } else { |
| s = i - 1; |
| } |
| while (this.tag(s - 2) === 'HERECOMMENT') { |
| s -= 2; |
| } |
| this.insideForDeclaration = nextTag === 'FOR'; |
| startsLine = s === 0 || (_ref2 = this.tag(s - 1), __indexOf.call(LINEBREAKS, _ref2) >= 0) || tokens[s - 1].newLine; |
| if (stackTop()) { |
| _ref3 = stackTop(), stackTag = _ref3[0], stackIdx = _ref3[1]; |
| if ((stackTag === '{' || stackTag === 'INDENT' && this.tag(stackIdx - 1) === '{') && (startsLine || this.tag(s - 1) === ',' || this.tag(s - 1) === '{')) { |
| return forward(1); |
| } |
| } |
| startImplicitObject(s, !!startsLine); |
| return forward(2); |
| } |
| if (inImplicitObject() && __indexOf.call(LINEBREAKS, tag) >= 0) { |
| stackTop()[2].sameLine = false; |
| } |
| newLine = prevTag === 'OUTDENT' || prevToken.newLine; |
| if (__indexOf.call(IMPLICIT_END, tag) >= 0 || __indexOf.call(CALL_CLOSERS, tag) >= 0 && newLine) { |
| while (inImplicit()) { |
| _ref4 = stackTop(), stackTag = _ref4[0], stackIdx = _ref4[1], (_ref5 = _ref4[2], sameLine = _ref5.sameLine, startsLine = _ref5.startsLine); |
| if (inImplicitCall() && prevTag !== ',') { |
| endImplicitCall(); |
| } else if (inImplicitObject() && !this.insideForDeclaration && sameLine && tag !== 'TERMINATOR' && prevTag !== ':' && endImplicitObject()) { |
| |
| } else if (inImplicitObject() && tag === 'TERMINATOR' && prevTag !== ',' && !(startsLine && this.looksObjectish(i + 1))) { |
| endImplicitObject(); |
| } else { |
| break; |
| } |
| } |
| } |
| if (tag === ',' && !this.looksObjectish(i + 1) && inImplicitObject() && !this.insideForDeclaration && (nextTag !== 'TERMINATOR' || !this.looksObjectish(i + 2))) { |
| offset = nextTag === 'OUTDENT' ? 1 : 0; |
| while (inImplicitObject()) { |
| endImplicitObject(i + offset); |
| } |
| } |
| return forward(1); |
| }); |
| }; |
| |
| Rewriter.prototype.addLocationDataToGeneratedTokens = function() { |
| return this.scanTokens(function(token, i, tokens) { |
| var column, line, nextLocation, prevLocation, _ref, _ref1; |
| if (token[2]) { |
| return 1; |
| } |
| if (!(token.generated || token.explicit)) { |
| return 1; |
| } |
| if (token[0] === '{' && (nextLocation = (_ref = tokens[i + 1]) != null ? _ref[2] : void 0)) { |
| line = nextLocation.first_line, column = nextLocation.first_column; |
| } else if (prevLocation = (_ref1 = tokens[i - 1]) != null ? _ref1[2] : void 0) { |
| line = prevLocation.last_line, column = prevLocation.last_column; |
| } else { |
| line = column = 0; |
| } |
| token[2] = { |
| first_line: line, |
| first_column: column, |
| last_line: line, |
| last_column: column |
| }; |
| return 1; |
| }); |
| }; |
| |
| Rewriter.prototype.normalizeLines = function() { |
| var action, condition, indent, outdent, starter; |
| starter = indent = outdent = null; |
| condition = function(token, i) { |
| var _ref, _ref1, _ref2, _ref3; |
| return token[1] !== ';' && (_ref = token[0], __indexOf.call(SINGLE_CLOSERS, _ref) >= 0) && !(token[0] === 'TERMINATOR' && (_ref1 = this.tag(i + 1), __indexOf.call(EXPRESSION_CLOSE, _ref1) >= 0)) && !(token[0] === 'ELSE' && starter !== 'THEN') && !(((_ref2 = token[0]) === 'CATCH' || _ref2 === 'FINALLY') && (starter === '->' || starter === '=>')) || (_ref3 = token[0], __indexOf.call(CALL_CLOSERS, _ref3) >= 0) && this.tokens[i - 1].newLine; |
| }; |
| action = function(token, i) { |
| return this.tokens.splice((this.tag(i - 1) === ',' ? i - 1 : i), 0, outdent); |
| }; |
| return this.scanTokens(function(token, i, tokens) { |
| var j, tag, _i, _ref, _ref1, _ref2; |
| tag = token[0]; |
| if (tag === 'TERMINATOR') { |
| if (this.tag(i + 1) === 'ELSE' && this.tag(i - 1) !== 'OUTDENT') { |
| tokens.splice.apply(tokens, [i, 1].concat(__slice.call(this.indentation()))); |
| return 1; |
| } |
| if (_ref = this.tag(i + 1), __indexOf.call(EXPRESSION_CLOSE, _ref) >= 0) { |
| tokens.splice(i, 1); |
| return 0; |
| } |
| } |
| if (tag === 'CATCH') { |
| for (j = _i = 1; _i <= 2; j = ++_i) { |
| if (!((_ref1 = this.tag(i + j)) === 'OUTDENT' || _ref1 === 'TERMINATOR' || _ref1 === 'FINALLY')) { |
| continue; |
| } |
| tokens.splice.apply(tokens, [i + j, 0].concat(__slice.call(this.indentation()))); |
| return 2 + j; |
| } |
| } |
| if (__indexOf.call(SINGLE_LINERS, tag) >= 0 && this.tag(i + 1) !== 'INDENT' && !(tag === 'ELSE' && this.tag(i + 1) === 'IF')) { |
| starter = tag; |
| _ref2 = this.indentation(tokens[i]), indent = _ref2[0], outdent = _ref2[1]; |
| if (starter === 'THEN') { |
| indent.fromThen = true; |
| } |
| tokens.splice(i + 1, 0, indent); |
| this.detectEnd(i + 2, condition, action); |
| if (tag === 'THEN') { |
| tokens.splice(i, 1); |
| } |
| return 1; |
| } |
| return 1; |
| }); |
| }; |
| |
| Rewriter.prototype.tagPostfixConditionals = function() { |
| var action, condition, original; |
| original = null; |
| condition = function(token, i) { |
| var prevTag, tag; |
| tag = token[0]; |
| prevTag = this.tokens[i - 1][0]; |
| return tag === 'TERMINATOR' || (tag === 'INDENT' && __indexOf.call(SINGLE_LINERS, prevTag) < 0); |
| }; |
| action = function(token, i) { |
| if (token[0] !== 'INDENT' || (token.generated && !token.fromThen)) { |
| return original[0] = 'POST_' + original[0]; |
| } |
| }; |
| return this.scanTokens(function(token, i) { |
| if (token[0] !== 'IF') { |
| return 1; |
| } |
| original = token; |
| this.detectEnd(i + 1, condition, action); |
| return 1; |
| }); |
| }; |
| |
| Rewriter.prototype.indentation = function(origin) { |
| var indent, outdent; |
| indent = ['INDENT', 2]; |
| outdent = ['OUTDENT', 2]; |
| if (origin) { |
| indent.generated = outdent.generated = true; |
| indent.origin = outdent.origin = origin; |
| } else { |
| indent.explicit = outdent.explicit = true; |
| } |
| return [indent, outdent]; |
| }; |
| |
| Rewriter.prototype.generate = generate; |
| |
| Rewriter.prototype.tag = function(i) { |
| var _ref; |
| return (_ref = this.tokens[i]) != null ? _ref[0] : void 0; |
| }; |
| |
| return Rewriter; |
| |
| })(); |
| |
| BALANCED_PAIRS = [['(', ')'], ['[', ']'], ['{', '}'], ['INDENT', 'OUTDENT'], ['CALL_START', 'CALL_END'], ['PARAM_START', 'PARAM_END'], ['INDEX_START', 'INDEX_END']]; |
| |
| exports.INVERSES = INVERSES = {}; |
| |
| EXPRESSION_START = []; |
| |
| EXPRESSION_END = []; |
| |
| for (_i = 0, _len = BALANCED_PAIRS.length; _i < _len; _i++) { |
| _ref = BALANCED_PAIRS[_i], left = _ref[0], rite = _ref[1]; |
| EXPRESSION_START.push(INVERSES[rite] = left); |
| EXPRESSION_END.push(INVERSES[left] = rite); |
| } |
| |
| EXPRESSION_CLOSE = ['CATCH', 'THEN', 'ELSE', 'FINALLY'].concat(EXPRESSION_END); |
| |
| IMPLICIT_FUNC = ['IDENTIFIER', 'SUPER', ')', 'CALL_END', ']', 'INDEX_END', '@', 'THIS']; |
| |
| IMPLICIT_CALL = ['IDENTIFIER', 'NUMBER', 'STRING', 'JS', 'REGEX', 'NEW', 'PARAM_START', 'CLASS', 'IF', 'TRY', 'SWITCH', 'THIS', 'BOOL', 'NULL', 'UNDEFINED', 'UNARY', 'UNARY_MATH', 'SUPER', 'THROW', '@', '->', '=>', '[', '(', '{', '--', '++']; |
| |
| IMPLICIT_UNSPACED_CALL = ['+', '-']; |
| |
| IMPLICIT_END = ['POST_IF', 'FOR', 'WHILE', 'UNTIL', 'WHEN', 'BY', 'LOOP', 'TERMINATOR']; |
| |
| SINGLE_LINERS = ['ELSE', '->', '=>', 'TRY', 'FINALLY', 'THEN']; |
| |
| SINGLE_CLOSERS = ['TERMINATOR', 'CATCH', 'FINALLY', 'ELSE', 'OUTDENT', 'LEADING_WHEN']; |
| |
| LINEBREAKS = ['TERMINATOR', 'INDENT', 'OUTDENT']; |
| |
| CALL_CLOSERS = ['.', '?.', '::', '?::']; |
| |
| }).call(this); |
