kotovalexarian-likes-github/jashkenas--coffeescript
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modified satyr: allowed temporary variables to share names with ones on upper scopes

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This commit is contained in:
Jeremy Ashkenas 2010-11-02 00:31:42 -04:00
parent 605f362ab6
commit 5eb255a649
7 changed files with 223 additions and 228 deletions
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32
lib/command.js
View file

@ -50,11 +50,11 @@
return compileScripts();
};
compileScripts = function() {
var base, compile, source, _i, _len, _ref2, _result;
_ref2 = sources;
var base, compile, source, _i, _len, _ref, _result;
_ref = sources;
_result = [];
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
source = _ref2[_i];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
source = _ref[_i];
base = path.join(source);
compile = function(source, topLevel) {
return path.exists(source, function(exists) {
@ -64,13 +64,13 @@
return fs.stat(source, function(err, stats) {
if (stats.isDirectory()) {
return fs.readdir(source, function(err, files) {
var file, _j, _len2, _result2;
_result2 = [];
for (_j = 0, _len2 = files.length; _j < _len2; _j++) {
file = files[_j];
_result2.push(compile(path.join(source, file)));
var file, _i, _len, _result;
_result = [];
for (_i = 0, _len = files.length; _i < _len; _i++) {
file = files[_i];
_result.push(compile(path.join(source, file)));
}
return _result2;
return _result;
});
} else if (topLevel || path.extname(source) === '.coffee') {
fs.readFile(source, function(err, code) {
@ -86,13 +86,13 @@
return _result;
};
compileScript = function(file, input, base) {
var o, options, req, t, task, _i, _len, _ref2;
var o, options, req, t, task, _i, _len, _ref;
o = opts;
options = compileOptions(file);
if (o.require) {
_ref2 = o.require;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
req = _ref2[_i];
_ref = o.require;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
req = _ref[_i];
require(helpers.starts(req, '.') ? fs.realpathSync(req) : req);
}
}
@ -185,12 +185,12 @@
return jsl.stdin.end();
};
printTokens = function(tokens) {
var strings, tag, token, value, _i, _len, _ref2, _result;
var strings, tag, token, value, _i, _len, _ref, _result;
strings = (function() {
_result = [];
for (_i = 0, _len = tokens.length; _i < _len; _i++) {
token = tokens[_i];
_ref2 = [token[0], token[1].toString().replace(/\n/, '\\n')], tag = _ref2[0], value = _ref2[1];
_ref = [token[0], token[1].toString().replace(/\n/, '\\n')], tag = _ref[0], value = _ref[1];
_result.push("[" + tag + " " + value + "]");
}
return _result;

36
lib/lexer.js
View file

@ -38,7 +38,7 @@
return (new Rewriter).rewrite(this.tokens);
};
Lexer.prototype.identifierToken = function() {
var colon, forcedIdentifier, id, input, match, prev, tag, _ref2, _ref3;
var colon, forcedIdentifier, id, input, match, prev, tag, _ref, _ref2;
if (!(match = IDENTIFIER.exec(this.chunk))) {
return 0;
}
@ -58,11 +58,11 @@
this.token('TO', id);
return id.length;
}
forcedIdentifier = colon || (prev = last(this.tokens)) && !prev.spaced && ((_ref2 = prev[0]) === '.' || _ref2 === '?.' || _ref2 === '@' || _ref2 === '::');
forcedIdentifier = colon || (prev = last(this.tokens)) && !prev.spaced && ((_ref = prev[0]) === '.' || _ref === '?.' || _ref === '@' || _ref === '::');
tag = 'IDENTIFIER';
if (__indexOf.call(JS_KEYWORDS, id) >= 0 || !forcedIdentifier && __indexOf.call(COFFEE_KEYWORDS, id) >= 0) {
tag = id.toUpperCase();
if (tag === 'WHEN' && (_ref3 = this.tag(), __indexOf.call(LINE_BREAK, _ref3) >= 0)) {
if (tag === 'WHEN' && (_ref2 = this.tag(), __indexOf.call(LINE_BREAK, _ref2) >= 0)) {
tag = 'LEADING_WHEN';
} else if (tag === 'FOR') {
this.seenFor = true;
@ -182,14 +182,14 @@
return script.length;
};
Lexer.prototype.regexToken = function() {
var match, regex, _ref2;
var match, regex, _ref;
if (this.chunk.charAt(0) !== '/') {
return 0;
}
if (match = HEREGEX.exec(this.chunk)) {
return this.heregexToken(match);
}
if (_ref2 = this.tag(), __indexOf.call(NOT_REGEX, _ref2) >= 0) {
if (_ref = this.tag(), __indexOf.call(NOT_REGEX, _ref) >= 0) {
return 0;
}
if (!(match = REGEX.exec(this.chunk))) {
@ -200,7 +200,7 @@
return regex.length;
};
Lexer.prototype.heregexToken = function(match) {
var body, flags, heregex, re, tag, tokens, value, _i, _len, _ref2, _ref3, _this;
var body, flags, heregex, re, tag, tokens, value, _i, _len, _ref, _ref2, _this;
heregex = match[0], body = match[1], flags = match[2];
if (0 > body.indexOf('#{')) {
re = body.replace(HEREGEX_OMIT, '').replace(/\//g, '\\/');
@ -213,9 +213,9 @@
for (_i = 0, _len = this.interpolateString(body, {
regex: true
}).length; _i < _len; _i++) {
_ref2 = this.interpolateString(body, {
_ref = this.interpolateString(body, {
regex: true
})[_i], tag = _ref2[0], value = _ref2[1];
})[_i], tag = _ref[0], value = _ref[1];
if (tag === 'TOKENS') {
tokens.push.apply(tokens, value);
} else {
@ -228,7 +228,7 @@
tokens.push(['+', '+']);
}
tokens.pop();
if (((_ref3 = tokens[0]) != null ? _ref3[0] : void 0) !== 'STRING') {
if (((_ref2 = tokens[0]) != null ? _ref2[0] : void 0) !== 'STRING') {
this.tokens.push(['STRING', '""'], ['+', '+']);
}
(_this = this.tokens).push.apply(_this, tokens);
@ -324,7 +324,7 @@
return this;
};
Lexer.prototype.literalToken = function() {
var match, prev, tag, value, _ref2, _ref3, _ref4, _ref5;
var match, prev, tag, value, _ref, _ref2, _ref3, _ref4;
if (match = OPERATOR.exec(this.chunk)) {
value = match[0];
if (CODE.test(value)) {
@ -336,10 +336,10 @@
tag = value;
prev = last(this.tokens);
if (value === '=' && prev) {
if (!prev[1].reserved && (_ref2 = prev[1], __indexOf.call(JS_FORBIDDEN, _ref2) >= 0)) {
if (!prev[1].reserved && (_ref = prev[1], __indexOf.call(JS_FORBIDDEN, _ref) >= 0)) {
this.assignmentError();
}
if ((_ref3 = prev[1]) === '||' || _ref3 === '&&') {
if ((_ref2 = prev[1]) === '||' || _ref2 === '&&') {
prev[0] = 'COMPOUND_ASSIGN';
prev[1] += '=';
return value.length;
@ -360,12 +360,12 @@
} else if (__indexOf.call(LOGIC, value) >= 0 || value === '?' && (prev != null ? prev.spaced : void 0)) {
tag = 'LOGIC';
} else if (prev && !prev.spaced) {
if (value === '(' && (_ref4 = prev[0], __indexOf.call(CALLABLE, _ref4) >= 0)) {
if (value === '(' && (_ref3 = prev[0], __indexOf.call(CALLABLE, _ref3) >= 0)) {
if (prev[0] === '?') {
prev[0] = 'FUNC_EXIST';
}
tag = 'CALL_START';
} else if (value === '[' && (_ref5 = prev[0], __indexOf.call(INDEXABLE, _ref5) >= 0)) {
} else if (value === '[' && (_ref4 = prev[0], __indexOf.call(INDEXABLE, _ref4) >= 0)) {
tag = 'INDEX_START';
switch (prev[0]) {
case '?':
@ -380,7 +380,7 @@
return value.length;
};
Lexer.prototype.sanitizeHeredoc = function(doc, options) {
var attempt, herecomment, indent, match, _ref2;
var attempt, herecomment, indent, match, _ref;
indent = options.indent, herecomment = options.herecomment;
if (herecomment && 0 > doc.indexOf('\n')) {
return doc;
@ -388,7 +388,7 @@
if (!herecomment) {
while (match = HEREDOC_INDENT.exec(doc)) {
attempt = match[1];
if (indent === null || (0 < (_ref2 = attempt.length) && _ref2 < indent.length)) {
if (indent === null || (0 < (_ref = attempt.length) && _ref < indent.length)) {
indent = attempt;
}
}
@ -475,7 +475,7 @@
return i && str.slice(0, i);
};
Lexer.prototype.interpolateString = function(str, options) {
var expr, heredoc, i, inner, interpolated, letter, nested, pi, regex, tag, tokens, value, _len, _ref2, _this;
var expr, heredoc, i, inner, interpolated, letter, nested, pi, regex, tag, tokens, value, _len, _ref, _this;
options == null && (options = {});
heredoc = options.heredoc, regex = options.regex;
tokens = [];
@ -524,7 +524,7 @@
this.token('(', '(');
}
for (i = 0, _len = tokens.length; i < _len; i++) {
_ref2 = tokens[i], tag = _ref2[0], value = _ref2[1];
_ref = tokens[i], tag = _ref[0], value = _ref[1];
if (i) {
this.token('+', '+');
}

286
lib/nodes.js
View file

@ -57,9 +57,7 @@
Base.prototype.compileLoopReference = function(o, name) {
var src, tmp;
src = tmp = this.compile(o, LEVEL_LIST);
if (!(NUMBER.test(src) || IDENTIFIER.test(src) && o.scope.check(src, {
immediate: true
}))) {
if (!(NUMBER.test(src) || IDENTIFIER.test(src) && o.scope.check(src, true))) {
src = "" + (tmp = o.scope.freeVariable(name)) + " = " + src;
}
return [src, tmp];
@ -92,13 +90,13 @@
});
};
Base.prototype.toString = function(idt, override) {
var child, children, klass, _i, _len, _ref2, _result;
var child, children, klass, _i, _len, _ref, _result;
idt == null && (idt = '');
children = ((function() {
_ref2 = this.collectChildren();
_ref = this.collectChildren();
_result = [];
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
child = _ref2[_i];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
child = _ref[_i];
_result.push(child.toString(idt + TAB));
}
return _result;
@ -107,17 +105,17 @@
return '\n' + idt + klass + children;
};
Base.prototype.eachChild = function(func) {
var attr, child, _i, _j, _len, _len2, _ref2, _ref3;
var attr, child, _i, _j, _len, _len2, _ref, _ref2;
if (!this.children) {
return this;
}
_ref2 = this.children;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
attr = _ref2[_i];
_ref = this.children;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
attr = _ref[_i];
if (this[attr]) {
_ref3 = flatten([this[attr]]);
for (_j = 0, _len2 = _ref3.length; _j < _len2; _j++) {
child = _ref3[_j];
_ref2 = flatten([this[attr]]);
for (_j = 0, _len2 = _ref2.length; _j < _len2; _j++) {
child = _ref2[_j];
if (func(child) === false) {
return this;
}
@ -193,10 +191,10 @@
return !this.expressions.length;
};
Expressions.prototype.makeReturn = function() {
var end, idx, _ref2;
_ref2 = this.expressions;
for (idx = _ref2.length - 1; idx >= 0; idx--) {
end = _ref2[idx];
var end, idx, _ref;
_ref = this.expressions;
for (idx = _ref.length - 1; idx >= 0; idx--) {
end = _ref[idx];
if (!(end instanceof Comment)) {
this.expressions[idx] = end.makeReturn();
break;
@ -209,13 +207,13 @@
return o.scope ? Expressions.__super__.compile.call(this, o, level) : this.compileRoot(o);
};
Expressions.prototype.compileNode = function(o) {
var node, _i, _len, _ref2, _result;
var node, _i, _len, _ref, _result;
this.tab = o.indent;
return ((function() {
_ref2 = this.expressions;
_ref = this.expressions;
_result = [];
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
node = _ref2[_i];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
node = _ref[_i];
_result.push(this.compileExpression(node, o));
}
return _result;
@ -272,8 +270,8 @@
return this.isStatement() ? this : Literal.__super__.makeReturn.call(this);
};
Literal.prototype.isPureStatement = function() {
var _ref2;
return (_ref2 = this.value) === 'break' || _ref2 === 'continue' || _ref2 === 'debugger';
var _ref;
return (_ref = this.value) === 'break' || _ref === 'continue' || _ref === 'debugger';
};
Literal.prototype.isAssignable = function() {
return IDENTIFIER.test(this.value);
@ -304,8 +302,8 @@
Return.prototype.isPureStatement = YES;
Return.prototype.makeReturn = THIS;
Return.prototype.compile = function(o, level) {
var expr, _ref2;
expr = (_ref2 = this.expression) != null ? _ref2.makeReturn() : void 0;
var expr, _ref;
expr = (_ref = this.expression) != null ? _ref.makeReturn() : void 0;
return expr && !(expr instanceof Return) ? expr.compile(o, level) : Return.__super__.compile.call(this, o, level);
};
Return.prototype.compileNode = function(o) {
@ -354,10 +352,10 @@
return this.base instanceof Literal && SIMPLENUM.test(this.base.value);
};
Value.prototype.isAtomic = function() {
var node, _i, _len, _ref2;
_ref2 = this.properties.concat(this.base);
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
node = _ref2[_i];
var node, _i, _len, _ref;
_ref = this.properties.concat(this.base);
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
node = _ref[_i];
if (node.soak || node instanceof Call) {
return false;
}
@ -412,14 +410,14 @@
return code;
};
Value.prototype.unfoldSoak = function(o) {
var fst, i, ifn, prop, ref, snd, _len, _ref2;
var fst, i, ifn, prop, ref, snd, _len, _ref;
if (ifn = this.base.unfoldSoak(o)) {
Array.prototype.push.apply(ifn.body.properties, this.properties);
return ifn;
}
_ref2 = this.properties;
for (i = 0, _len = _ref2.length; i < _len; i++) {
prop = _ref2[i];
_ref = this.properties;
for (i = 0, _len = _ref.length; i < _len; i++) {
prop = _ref[i];
if (prop.soak) {
prop.soak = false;
fst = new Value(this.base, this.properties.slice(0, i));
@ -486,13 +484,13 @@
return method.klass ? "" + method.klass + ".__super__." + name : "" + name + ".__super__.constructor";
};
Call.prototype.unfoldSoak = function(o) {
var call, ifn, left, list, rite, _i, _len, _ref2, _ref3;
var call, ifn, left, list, rite, _i, _len, _ref, _ref2;
if (this.soak) {
if (this.variable) {
if (ifn = If.unfoldSoak(o, this, 'variable')) {
return ifn;
}
_ref2 = new Value(this.variable).cacheReference(o), left = _ref2[0], rite = _ref2[1];
_ref = new Value(this.variable).cacheReference(o), left = _ref[0], rite = _ref[1];
} else {
left = new Literal(this.superReference(o));
rite = new Value(left);
@ -520,9 +518,9 @@
break;
}
}
_ref3 = list.reverse();
for (_i = 0, _len = _ref3.length; _i < _len; _i++) {
call = _ref3[_i];
_ref2 = list.reverse();
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
call = _ref2[_i];
if (ifn) {
if (call.variable instanceof Call) {
call.variable = ifn;
@ -535,18 +533,18 @@
return ifn;
};
Call.prototype.compileNode = function(o) {
var arg, args, code, _i, _len, _ref2, _ref3, _result;
if ((_ref2 = this.variable) != null) {
_ref2.front = this.front;
var arg, args, code, _i, _len, _ref, _ref2, _result;
if ((_ref = this.variable) != null) {
_ref.front = this.front;
}
if (code = Splat.compileSplattedArray(o, this.args, true)) {
return this.compileSplat(o, code);
}
args = ((function() {
_ref3 = this.args;
_ref2 = this.args;
_result = [];
for (_i = 0, _len = _ref3.length; _i < _len; _i++) {
arg = _ref3[_i];
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
arg = _ref2[_i];
_result.push(arg.compile(o, LEVEL_LIST));
}
return _result;
@ -644,10 +642,10 @@
__extends(Obj, Base);
Obj.prototype.children = ['properties'];
Obj.prototype.compileNode = function(o) {
var i, idt, indent, join, lastNoncom, nonComments, obj, prop, props, rest, _i, _len, _len2, _ref2, _ref3, _result;
_ref2 = this.properties;
for (i = 0, _len = _ref2.length; i < _len; i++) {
prop = _ref2[i];
var i, idt, indent, join, lastNoncom, nonComments, obj, prop, props, rest, _i, _len, _len2, _ref, _ref2, _result;
_ref = this.properties;
for (i = 0, _len = _ref.length; i < _len; i++) {
prop = _ref[i];
if ((prop.variable || prop).base instanceof Parens) {
rest = this.properties.splice(i);
break;
@ -655,10 +653,10 @@
}
o.indent = idt = this.idt(1);
nonComments = ((function() {
_ref3 = this.properties;
_ref2 = this.properties;
_result = [];
for (_i = 0, _len2 = _ref3.length; _i < _len2; _i++) {
prop = _ref3[_i];
for (_i = 0, _len2 = _ref2.length; _i < _len2; _i++) {
prop = _ref2[_i];
if (!(prop instanceof Comment)) {
_result.push(prop);
}
@ -667,10 +665,10 @@
}).call(this));
lastNoncom = last(nonComments);
props = (function() {
_ref3 = this.properties;
_ref2 = this.properties;
_result = [];
for (i = 0, _len2 = _ref3.length; i < _len2; i++) {
prop = _ref3[i];
for (i = 0, _len2 = _ref2.length; i < _len2; i++) {
prop = _ref2[i];
join = i === this.properties.length - 1 ? '' : prop === lastNoncom || prop instanceof Comment ? '\n' : ',\n';
indent = prop instanceof Comment ? '' : idt;
if (prop instanceof Value && prop["this"]) {
@ -690,7 +688,7 @@
return this.front ? "(" + obj + ")" : obj;
};
Obj.prototype.compileDynamic = function(o, code, props) {
var acc, i, key, oref, prop, ref, val, _len, _ref2;
var acc, i, key, oref, prop, ref, val, _len, _ref;
code = "" + (oref = o.scope.freeVariable('obj')) + " = " + code + ", ";
for (i = 0, _len = props.length; i < _len; i++) {
prop = props[i];
@ -704,7 +702,7 @@
val = prop.value.compile(o, LEVEL_LIST);
} else {
acc = prop.base;
_ref2 = acc.cache(o, LEVEL_LIST, ref), key = _ref2[0], val = _ref2[1];
_ref = acc.cache(o, LEVEL_LIST, ref), key = _ref[0], val = _ref[1];
if (key !== val) {
ref = val;
}
@ -716,10 +714,10 @@
return o.level <= LEVEL_PAREN ? code : "(" + code + ")";
};
Obj.prototype.assigns = function(name) {
var prop, _i, _len, _ref2;
_ref2 = this.properties;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
prop = _ref2[_i];
var prop, _i, _len, _ref;
_ref = this.properties;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
prop = _ref[_i];
if (prop.assigns(name)) {
return true;
}
@ -739,15 +737,15 @@
__extends(Arr, Base);
Arr.prototype.children = ['objects'];
Arr.prototype.compileNode = function(o) {
var code, i, obj, objects, _len, _ref2;
var code, i, obj, objects, _len, _ref;
o.indent = this.idt(1);
if (code = Splat.compileSplattedArray(o, this.objects)) {
return code;
}
objects = [];
_ref2 = this.objects;
for (i = 0, _len = _ref2.length; i < _len; i++) {
obj = _ref2[i];
_ref = this.objects;
for (i = 0, _len = _ref.length; i < _len; i++) {
obj = _ref[i];
code = obj.compile(o, LEVEL_LIST);
objects.push((obj instanceof Comment ? "\n" + code + "\n" + o.indent : i === this.objects.length - 1 ? code : code + ', '));
}
@ -755,10 +753,10 @@
return 0 < objects.indexOf('\n') ? "[\n" + o.indent + objects + "\n" + this.tab + "]" : "[" + objects + "]";
};
Arr.prototype.assigns = function(name) {
var obj, _i, _len, _ref2;
_ref2 = this.objects;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
obj = _ref2[_i];
var obj, _i, _len, _ref;
_ref = this.objects;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
obj = _ref[_i];
if (obj.assigns(name)) {
return true;
}
@ -785,7 +783,7 @@
return this;
};
Class.prototype.compileNode = function(o) {
var access, applied, apply, className, code, constScope, ctor, extension, func, me, pname, prop, props, pvar, ref, ret, val, variable, _i, _len, _ref2, _ref3;
var access, applied, apply, className, code, constScope, ctor, extension, func, me, pname, prop, props, pvar, ref, ret, val, variable, _i, _len, _ref, _ref2;
variable = this.variable || new Literal(o.scope.freeVariable('ctor'));
extension = this.parent && new Extends(variable, this.parent);
props = new Expressions;
@ -798,13 +796,13 @@
} else {
ctor = new Code([], new Expressions([new Return(new Literal('this'))]));
}
_ref2 = this.properties;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
prop = _ref2[_i];
_ref = this.properties;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
prop = _ref[_i];
pvar = prop.variable, func = prop.value;
if (pvar && pvar.base.value === 'constructor') {
if (!(func instanceof Code)) {
_ref3 = func.cache(o), func = _ref3[0], ref = _ref3[1];
_ref2 = func.cache(o), func = _ref2[0], ref = _ref2[1];
if (func !== ref) {
props.push(func);
}
@ -885,12 +883,12 @@
return If.unfoldSoak(o, this, 'variable');
};
Assign.prototype.compileNode = function(o) {
var isValue, match, name, val, _ref2;
var isValue, match, name, val, _ref;
if (isValue = this.variable instanceof Value) {
if (this.variable.isArray() || this.variable.isObject()) {
return this.compilePatternMatch(o);
}
if ((_ref2 = this.context) === '||=' || _ref2 === '&&=' || _ref2 === '?=') {
if ((_ref = this.context) === '||=' || _ref === '&&=' || _ref === '?=') {
return this.compileConditional(o);
}
}
@ -913,7 +911,7 @@
return o.level <= LEVEL_LIST ? val : "(" + val + ")";
};
Assign.prototype.compilePatternMatch = function(o) {
var acc, assigns, code, i, idx, isObject, ivar, obj, objects, olen, ref, rest, splat, top, val, value, vvar, _len, _ref2, _ref3, _ref4, _ref5, _ref6, _ref7;
var acc, assigns, code, i, idx, isObject, ivar, obj, objects, olen, ref, rest, splat, top, val, value, vvar, _len, _ref, _ref2, _ref3, _ref4, _ref5, _ref6;
top = o.level === LEVEL_TOP;
value = this.value;
objects = this.variable.base.objects;
@ -923,10 +921,10 @@
isObject = this.variable.isObject();
if (top && olen === 1 && !((obj = objects[0]) instanceof Splat)) {
if (obj instanceof Assign) {
_ref2 = obj, (_ref3 = _ref2.variable, idx = _ref3.base, _ref3), obj = _ref2.value;
_ref = obj, (_ref2 = _ref.variable, idx = _ref2.base, _ref2), obj = _ref.value;
} else {
if (obj.base instanceof Parens) {
_ref4 = new Value(obj.unwrapAll()).cacheReference(o), obj = _ref4[0], idx = _ref4[1];
_ref3 = new Value(obj.unwrapAll()).cacheReference(o), obj = _ref3[0], idx = _ref3[1];
} else {
idx = isObject ? obj["this"] ? obj.properties[0].name : obj : new Literal(0);
}
@ -948,10 +946,10 @@
idx = i;
if (isObject) {
if (obj instanceof Assign) {
_ref5 = obj, (_ref6 = _ref5.variable, idx = _ref6.base, _ref6), obj = _ref5.value;
_ref4 = obj, (_ref5 = _ref4.variable, idx = _ref5.base, _ref5), obj = _ref4.value;
} else {
if (obj.base instanceof Parens) {
_ref7 = new Value(obj.unwrapAll()).cacheReference(o), obj = _ref7[0], idx = _ref7[1];
_ref6 = new Value(obj.unwrapAll()).cacheReference(o), obj = _ref6[0], idx = _ref6[1];
} else {
idx = obj["this"] ? obj.properties[0].name : obj;
}
@ -989,8 +987,8 @@
return o.level < LEVEL_LIST ? code : "(" + code + ")";
};
Assign.prototype.compileConditional = function(o) {
var left, rite, _ref2;
_ref2 = this.variable.cacheReference(o), left = _ref2[0], rite = _ref2[1];
var left, rite, _ref;
_ref = this.variable.cacheReference(o), left = _ref[0], rite = _ref[1];
return new Op(this.context.slice(0, -1), left, new Assign(rite, this.value, '=')).compile(o);
};
return Assign;
@ -1011,7 +1009,7 @@
__extends(Code, Base);
Code.prototype.children = ['params', 'body'];
Code.prototype.compileNode = function(o) {
var close, code, comm, exprs, func, i, idt, lit, open, p, param, ref, scope, sharedScope, splats, v, val, vars, wasEmpty, _i, _j, _len, _len2, _len3, _ref2, _ref3, _result, _this;
var close, code, comm, exprs, func, i, idt, lit, open, p, param, ref, scope, sharedScope, splats, v, val, vars, wasEmpty, _i, _j, _len, _len2, _len3, _ref, _ref2, _result, _this;
sharedScope = del(o, 'sharedScope');
o.scope = scope = sharedScope || new Scope(o.scope, this.body, this);
o.indent = this.idt(1);
@ -1019,15 +1017,15 @@
delete o.globals;
vars = [];
exprs = [];
_ref2 = this.params;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
param = _ref2[_i];
_ref = this.params;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
param = _ref[_i];
if (param.splat) {
splats = new Assign(new Value(new Arr((function() {
_ref3 = this.params;
_ref2 = this.params;
_result = [];
for (_j = 0, _len2 = _ref3.length; _j < _len2; _j++) {
p = _ref3[_j];
for (_j = 0, _len2 = _ref2.length; _j < _len2; _j++) {
p = _ref2[_j];
_result.push(p.asReference(o));
}
return _result;
@ -1035,9 +1033,9 @@
break;
}
}
_ref3 = this.params;
for (_j = 0, _len2 = _ref3.length; _j < _len2; _j++) {
param = _ref3[_j];
_ref2 = this.params;
for (_j = 0, _len2 = _ref2.length; _j < _len2; _j++) {
param = _ref2[_j];
if (param.isComplex()) {
val = ref = param.asReference(o);
if (param.value) {
@ -1148,7 +1146,7 @@
return this.index != null ? this.compileParam(o) : this.name.compile(o);
};
Splat.compileSplattedArray = function(o, list, apply) {
var args, base, code, i, index, node, _i, _len, _len2, _ref2, _result;
var args, base, code, i, index, node, _i, _len, _len2, _ref, _result;
index = -1;
while ((node = list[++index]) && !(node instanceof Splat)) {
continue;
@ -1173,10 +1171,10 @@
return args[0] + (".concat(" + (args.slice(1).join(', ')) + ")");
}
base = ((function() {
_ref2 = list.slice(0, index);
_ref = list.slice(0, index);
_result = [];
for (_i = 0, _len2 = _ref2.length; _i < _len2; _i++) {
node = _ref2[_i];
for (_i = 0, _len2 = _ref.length; _i < _len2; _i++) {
node = _ref[_i];
_result.push(node.compile(o, LEVEL_LIST));
}
return _result;
@ -1206,10 +1204,10 @@
return this;
};
While.prototype.containsPureStatement = function() {
var expressions, i, ret, _ref2;
var expressions, i, ret, _ref;
expressions = this.body.expressions;
i = expressions.length;
if ((_ref2 = expressions[--i]) != null ? _ref2.containsPureStatement() : void 0) {
if ((_ref = expressions[--i]) != null ? _ref.containsPureStatement() : void 0) {
return true;
}
ret = function(node) {
@ -1288,8 +1286,8 @@
return !this.second;
};
Op.prototype.isChainable = function() {
var _ref2;
return (_ref2 = this.operator) === '<' || _ref2 === '>' || _ref2 === '>=' || _ref2 === '<=' || _ref2 === '===' || _ref2 === '!==';
var _ref;
return (_ref = this.operator) === '<' || _ref === '>' || _ref === '>=' || _ref === '<=' || _ref === '===' || _ref === '!==';
};
Op.prototype.invert = function() {
var op;
@ -1299,8 +1297,8 @@
} else return this.second ? new Parens(this).invert() : Op.__super__.invert.call(this);
};
Op.prototype.unfoldSoak = function(o) {
var _ref2;
return ((_ref2 = this.operator) === '++' || _ref2 === '--' || _ref2 === 'delete') && If.unfoldSoak(o, this, 'first');
var _ref;
return ((_ref = this.operator) === '++' || _ref === '--' || _ref === 'delete') && If.unfoldSoak(o, this, 'first');
};
Op.prototype.compileNode = function(o) {
if (this.isUnary()) {
@ -1316,8 +1314,8 @@
return "" + (this.first.compile(o, LEVEL_OP)) + " " + this.operator + " " + (this.second.compile(o, LEVEL_OP));
};
Op.prototype.compileChain = function(o) {
var code, fst, shared, _ref2;
_ref2 = this.first.second.cache(o), this.first.second = _ref2[0], shared = _ref2[1];
var code, fst, shared, _ref;
_ref = this.first.second.cache(o), this.first.second = _ref[0], shared = _ref[1];
fst = this.first.compile(o, LEVEL_OP);
if (fst.charAt(0) === '(') {
fst = fst.slice(1, -1);
@ -1372,14 +1370,14 @@
return this.array instanceof Value && this.array.isArray() ? this.compileOrTest(o) : this.compileLoopTest(o);
};
In.prototype.compileOrTest = function(o) {
var cmp, cnj, i, item, ref, sub, tests, _len, _ref2, _ref3, _ref4, _result;
_ref2 = this.object.cache(o, LEVEL_OP), sub = _ref2[0], ref = _ref2[1];
_ref3 = this.negated ? [' !== ', ' && '] : [' === ', ' || '], cmp = _ref3[0], cnj = _ref3[1];
var cmp, cnj, i, item, ref, sub, tests, _len, _ref, _ref2, _ref3, _result;
_ref = this.object.cache(o, LEVEL_OP), sub = _ref[0], ref = _ref[1];
_ref2 = this.negated ? [' !== ', ' && '] : [' === ', ' || '], cmp = _ref2[0], cnj = _ref2[1];
tests = (function() {
_ref4 = this.array.base.objects;
_ref3 = this.array.base.objects;
_result = [];
for (i = 0, _len = _ref4.length; i < _len; i++) {
item = _ref4[i];
for (i = 0, _len = _ref3.length; i < _len; i++) {
item = _ref3[i];
_result.push((i ? ref : sub) + cmp + item.compile(o));
}
return _result;
@ -1388,8 +1386,8 @@
return o.level < LEVEL_OP ? tests : "(" + tests + ")";
};
In.prototype.compileLoopTest = function(o) {
var code, ref, sub, _ref2;
_ref2 = this.object.cache(o, LEVEL_LIST), sub = _ref2[0], ref = _ref2[1];
var code, ref, sub, _ref;
_ref = this.object.cache(o, LEVEL_LIST), sub = _ref[0], ref = _ref[1];
code = utility('indexOf') + (".call(" + (this.array.compile(o)) + ", " + ref + ") ") + (this.negated ? '< 0' : '>= 0');
if (sub === ref) {
return code;
@ -1536,29 +1534,25 @@
return '';
};
For.prototype.compileNode = function(o) {
var body, code, cond, defPart, forPart, guardPart, idt, index, ivar, lvar, name, namePart, pvar, retPart, rvar, scope, sourcePart, step, svar, tail, tvar, varPart, vars, _ref2, _ref3, _ref4, _ref5, _ref6;
var body, code, cond, defPart, forPart, guardPart, idt, index, ivar, lvar, name, namePart, pvar, retPart, rvar, scope, sourcePart, step, svar, tail, tvar, varPart, vars, _ref, _ref2, _ref3, _ref4, _ref5;
scope = o.scope;
body = this.body;
name = !this.pattern && ((_ref2 = this.name) != null ? _ref2.compile(o) : void 0);
index = (_ref3 = this.index) != null ? _ref3.compile(o) : void 0;
name = !this.pattern && ((_ref = this.name) != null ? _ref.compile(o) : void 0);
index = (_ref2 = this.index) != null ? _ref2.compile(o) : void 0;
ivar = !index ? scope.freeVariable('i') : index;
varPart = guardPart = defPart = retPart = '';
idt = this.idt(1);
if (name) {
scope.find(name, {
immediate: true
});
scope.find(name, true);
}
if (index) {
scope.find(index, {
immediate: true
});
scope.find(index, true);
}
if (this.step) {
_ref4 = this.step.compileLoopReference(o, 'step'), step = _ref4[0], pvar = _ref4[1];
_ref3 = this.step.compileLoopReference(o, 'step'), step = _ref3[0], pvar = _ref3[1];
}
if (this.from) {
_ref5 = this.to.compileLoopReference(o, 'to'), tail = _ref5[0], tvar = _ref5[1];
_ref4 = this.to.compileLoopReference(o, 'to'), tail = _ref4[0], tvar = _ref4[1];
vars = ivar + ' = ' + this.from.compile(o);
if (tail !== tvar) {
vars += ', ' + tail;
@ -1566,7 +1560,7 @@
cond = +pvar ? "" + ivar + " " + (pvar < 0 ? '>' : '<') + "= " + tvar : "" + pvar + " < 0 ? " + ivar + " >= " + tvar + " : " + ivar + " <= " + tvar;
} else {
if (name || this.object && !this.raw) {
_ref6 = this.source.compileLoopReference(o, 'ref'), sourcePart = _ref6[0], svar = _ref6[1];
_ref5 = this.source.compileLoopReference(o, 'ref'), sourcePart = _ref5[0], svar = _ref5[1];
} else {
sourcePart = svar = this.source.compile(o, LEVEL_PAREN);
}
@ -1641,27 +1635,27 @@
Switch.prototype.children = ['subject', 'cases', 'otherwise'];
Switch.prototype.isStatement = YES;
Switch.prototype.makeReturn = function() {
var pair, _i, _len, _ref2, _ref3;
_ref2 = this.cases;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
pair = _ref2[_i];
var pair, _i, _len, _ref, _ref2;
_ref = this.cases;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
pair = _ref[_i];
pair[1].makeReturn();
}
if ((_ref3 = this.otherwise) != null) {
_ref3.makeReturn();
if ((_ref2 = this.otherwise) != null) {
_ref2.makeReturn();
}
return this;
};
Switch.prototype.compileNode = function(o) {
var block, body, code, cond, conditions, expr, i, idt1, idt2, _i, _j, _len, _len2, _ref2, _ref3, _ref4, _ref5;
var block, body, code, cond, conditions, expr, i, idt1, idt2, _i, _j, _len, _len2, _ref, _ref2, _ref3, _ref4;
idt1 = this.idt(1);
idt2 = o.indent = this.idt(2);
code = this.tab + ("switch (" + (((_ref2 = this.subject) != null ? _ref2.compile(o, LEVEL_PAREN) : void 0) || false) + ") {\n");
code = this.tab + ("switch (" + (((_ref = this.subject) != null ? _ref.compile(o, LEVEL_PAREN) : void 0) || false) + ") {\n");
for (i = 0, _len = this.cases.length; i < _len; i++) {
_ref3 = this.cases[i], conditions = _ref3[0], block = _ref3[1];
_ref4 = flatten([conditions]);
for (_i = 0, _len2 = _ref4.length; _i < _len2; _i++) {
cond = _ref4[_i];
_ref2 = this.cases[i], conditions = _ref2[0], block = _ref2[1];
_ref3 = flatten([conditions]);
for (_i = 0, _len2 = _ref3.length; _i < _len2; _i++) {
cond = _ref3[_i];
if (!this.subject) {
cond = cond.invert();
}
@ -1673,9 +1667,9 @@
if (i === this.cases.length - 1 && !this.otherwise) {
break;
}
_ref5 = block.expressions;
for (_j = _ref5.length - 1; _j >= 0; _j--) {
expr = _ref5[_j];
_ref4 = block.expressions;
for (_j = _ref4.length - 1; _j >= 0; _j--) {
expr = _ref4[_j];
if (!(expr instanceof Comment)) {
if (!(expr instanceof Return)) {
code += idt2 + 'break;\n';
@ -1707,12 +1701,12 @@
__extends(If, Base);
If.prototype.children = ['condition', 'body', 'elseBody'];
If.prototype.bodyNode = function() {
var _ref2;
return (_ref2 = this.body) != null ? _ref2.unwrap() : void 0;
var _ref;
return (_ref = this.body) != null ? _ref.unwrap() : void 0;
};
If.prototype.elseBodyNode = function() {
var _ref2;
return (_ref2 = this.elseBody) != null ? _ref2.unwrap() : void 0;
var _ref;
return (_ref = this.elseBody) != null ? _ref.unwrap() : void 0;
};
If.prototype.addElse = function(elseBody) {
if (this.isChain) {
@ -1724,8 +1718,8 @@
return this;
};
If.prototype.isStatement = function(o) {
var _ref2;
return (o != null ? o.level : void 0) === LEVEL_TOP || this.bodyNode().isStatement(o) || ((_ref2 = this.elseBodyNode()) != null ? _ref2.isStatement(o) : void 0);
var _ref;
return (o != null ? o.level : void 0) === LEVEL_TOP || this.bodyNode().isStatement(o) || ((_ref = this.elseBodyNode()) != null ? _ref.isStatement(o) : void 0);
};
If.prototype.compileNode = function(o) {
return this.isStatement(o) ? this.compileStatement(o) : this.compileExpression(o);

8
lib/rewriter.js
View file

@ -205,7 +205,7 @@
}
tokens.splice(i, 0, ['CALL_START', '(', token[2]]);
this.detectEnd(i + (callObject ? 2 : 1), function(token, i) {
var post, _ref3;
var post, _ref;
if (!seenSingle && token.fromThen) {
return true;
}
@ -216,7 +216,7 @@
if ((tag === '.' || tag === '?.' || tag === '::') && this.tag(i - 1) === 'OUTDENT') {
return true;
}
return !token.generated && this.tag(i - 1) !== ',' && __indexOf.call(IMPLICIT_END, tag) >= 0 && (tag !== 'INDENT' || (this.tag(i - 2) !== 'CLASS' && (_ref3 = this.tag(i - 1), __indexOf.call(IMPLICIT_BLOCK, _ref3) < 0) && !((post = this.tokens[i + 1]) && post.generated && post[0] === '{')));
return !token.generated && this.tag(i - 1) !== ',' && __indexOf.call(IMPLICIT_END, tag) >= 0 && (tag !== 'INDENT' || (this.tag(i - 2) !== 'CLASS' && (_ref = this.tag(i - 1), __indexOf.call(IMPLICIT_BLOCK, _ref) < 0) && !((post = this.tokens[i + 1]) && post.generated && post[0] === '{')));
}, action);
if (prev[0] === '?') {
prev[0] = 'FUNC_EXIST';
@ -249,8 +249,8 @@
indent.generated = outdent.generated = true;
tokens.splice(i + 1, 0, indent);
condition = function(token, i) {
var _ref3;
return token[1] !== ';' && (_ref3 = token[0], __indexOf.call(SINGLE_CLOSERS, _ref3) >= 0) && !(token[0] === 'ELSE' && (starter !== 'IF' && starter !== 'THEN'));
var _ref;
return token[1] !== ';' && (_ref = token[0], __indexOf.call(SINGLE_CLOSERS, _ref) >= 0) && !(token[0] === 'ELSE' && (starter !== 'IF' && starter !== 'THEN'));
};
action = function(token, i) {
return this.tokens.splice((this.tag(i - 1) === ',' ? i - 1 : i), 0, outdent);

67
lib/scope.js
View file

@ -37,10 +37,10 @@
return this;
};
Scope.prototype.endLevel = function() {
var name, _i, _len, _ref2;
_ref2 = this.garbage.pop();
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
name = _ref2[_i];
var name, _i, _len, _ref;
_ref = this.garbage.pop();
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
name = _ref[_i];
if (this.type(name) === 'var') {
this.add(name, 'reuse');
}
@ -55,10 +55,10 @@
return false;
};
Scope.prototype.any = function(fn) {
var v, _i, _len, _ref2;
_ref2 = this.variables;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
v = _ref2[_i];
var v, _i, _len, _ref;
_ref = this.variables;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
v = _ref[_i];
if (fn(v)) {
return true;
}
@ -68,22 +68,22 @@
Scope.prototype.parameter = function(name) {
return this.add(name, 'param');
};
Scope.prototype.check = function(name, options) {
var immediate, _ref2;
immediate = !!this.type(name);
if (immediate || (options != null ? options.immediate : void 0)) {
return immediate;
Scope.prototype.check = function(name, immediate) {
var found, _ref;
found = !!this.type(name);
if (found || immediate) {
return found;
}
return !!((_ref2 = this.parent) != null ? _ref2.check(name) : void 0);
return !!((_ref = this.parent) != null ? _ref.check(name) : void 0);
};
Scope.prototype.temporary = function(name, index) {
return name.length > 1 ? '_' + name + (index > 1 ? index : '') : '_' + (index + parseInt(name, 36)).toString(36).replace(/\d/g, 'a');
};
Scope.prototype.type = function(name) {
var v, _i, _len, _ref2;
_ref2 = this.variables;
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
v = _ref2[_i];
var v, _i, _len, _ref;
_ref = this.variables;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
v = _ref[_i];
if (v.name === name) {
return v.type;
}
@ -91,14 +91,14 @@
return null;
};
Scope.prototype.freeVariable = function(type) {
var index, temp, _ref2;
var index, temp, _ref;
index = 0;
while (this.check(temp = this.temporary(type, index)) && this.type(temp) !== 'reuse') {
while (this.check((temp = this.temporary(type, index)), true) && this.type(temp) !== 'reuse') {
index++;
}
this.add(temp, 'var');
if ((_ref2 = last(this.garbage)) != null) {
_ref2.push(temp);
if ((_ref = last(this.garbage)) != null) {
_ref.push(temp);
}
return temp;
};
@ -110,8 +110,8 @@
};
Scope.prototype.hasDeclarations = function(body) {
return body === this.expressions && this.any(function(v) {
var _ref2;
return (_ref2 = v.type) === 'var' || _ref2 === 'reuse';
var _ref;
return (_ref = v.type) === 'var' || _ref === 'reuse';
});
};
Scope.prototype.hasAssignments = function(body) {
@ -120,23 +120,24 @@
});
};
Scope.prototype.declaredVariables = function() {
var name, tmp, type, usr, _i, _len, _ref2;
var tmp, usr, v, _i, _len, _ref, _ref2;
usr = [];
tmp = [];
for (_i = 0, _len = this.variables.length; _i < _len; _i++) {
_ref2 = this.variables[_i], name = _ref2.name, type = _ref2.type;
if (type === 'var' || type === 'reuse') {
(name.charAt(0) === '_' ? tmp : usr).push(name);
_ref = this.variables;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
v = _ref[_i];
if ((_ref2 = v.type) === 'var' || _ref2 === 'reuse') {
(v.name.charAt(0) === '_' ? tmp : usr).push(v.name);
}
}
return usr.sort().concat(tmp.sort());
};
Scope.prototype.assignedVariables = function() {
var v, _i, _len, _ref2, _result;
_ref2 = this.variables;
var v, _i, _len, _ref, _result;
_ref = this.variables;
_result = [];
for (_i = 0, _len = _ref2.length; _i < _len; _i++) {
v = _ref2[_i];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
v = _ref[_i];
if (v.type.assigned) {
_result.push("" + v.name + " = " + v.type.value);
}

6
src/nodes.coffee
View file

@ -67,7 +67,7 @@ exports.Base = class Base
# Compile to a source/variable pair suitable for looping.
compileLoopReference: (o, name) ->
src = tmp = @compile o, LEVEL_LIST
unless NUMBER.test(src) or IDENTIFIER.test(src) and o.scope.check(src, immediate: on)
unless NUMBER.test(src) or IDENTIFIER.test(src) and o.scope.check(src, yes)
src = "#{ tmp = o.scope.freeVariable name } = #{src}"
[src, tmp]
@ -1295,8 +1295,8 @@ exports.For = class For extends Base
ivar = if not index then scope.freeVariable 'i' else index
varPart = guardPart = defPart = retPart = ''
idt = @idt 1
scope.find(name, immediate: yes) if name
scope.find(index, immediate: yes) if index
scope.find(name, yes) if name
scope.find(index, yes) if index
[step, pvar] = @step.compileLoopReference o, 'step' if @step
if @from
[tail, tvar] = @to.compileLoopReference o, 'to'

16
src/scope.coffee
View file

@ -53,8 +53,8 @@ exports.Scope = class Scope
# Test variables and return `true` the first time `fn(v)` returns `true`
any: (fn) ->
for v in @variables when fn v then return true
return false
return yes for v in @variables when fn v
no
# Reserve a variable name as originating from a function parameter for this
# scope. No `var` required for internal references.
@ -63,9 +63,9 @@ exports.Scope = class Scope
# Just check to see if a variable has already been declared, without reserving,
# walks up to the root scope.
check: (name, options) ->
immediate = !!@type(name)
return immediate if immediate or options?.immediate
check: (name, immediate) ->
found = !!@type(name)
return found if found or immediate
!!@parent?.check name
# Generate a temporary variable name at the given index.
@ -84,7 +84,7 @@ exports.Scope = class Scope
# compiler-generated variable. `_var`, `_var2`, and so on...
freeVariable: (type) ->
index = 0
index++ while @check(temp = @temporary type, index) and @type(temp) isnt 'reuse'
index++ while @check((temp = @temporary type, index), true) and @type(temp) isnt 'reuse'
@add temp, 'var'
last(@garbage)?.push temp
temp
@ -108,8 +108,8 @@ exports.Scope = class Scope
declaredVariables: ->
usr = []
tmp = []
for {name, type} in @variables when type in ['var', 'reuse']
(if name.charAt(0) is '_' then tmp else usr).push name
for v in @variables when v.type in ['var', 'reuse']
(if v.name.charAt(0) is '_' then tmp else usr).push v.name
usr.sort().concat tmp.sort()
# Return the list of assignments that are supposed to be made at the top