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Removed Shorthand and Ratio parsers; Fixed some issues with paren depth state; Adjusted tests to pass on new output

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This commit is contained in:
Dustin Cass
2012-08-21 18:02:12 -07:00
committed by Luke Page
parent b371fc90a0
commit bf1823f109
7 changed files with 31 additions and 91 deletions
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2
lib/less/index.js
View File

@@ -91,7 +91,7 @@ var less = {
'call', 'url', 'alpha', 'import',
'mixin', 'comment', 'anonymous', 'value',
'javascript', 'assignment', 'condition', 'paren',
'media', 'ratio', 'unicode-descriptor', 'extend'
'media', 'unicode-descriptor', 'extend'
].forEach(function (n) {
require('./tree/' + n);
});

77
lib/less/parser.js
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@@ -606,7 +606,7 @@ less.Parser = function Parser(env) {
nameLC = name.toLowerCase();
if (nameLC === 'url') { return null }
else { i += name.length }
else { i += name.length }
if (nameLC === 'alpha') {
alpha_ret = $(this.alpha);
@@ -620,7 +620,10 @@ less.Parser = function Parser(env) {
args = $(this.entities.arguments);
if (! $(')')) return;
if (! $(')')) {
parens--;
return;
}
parens--;
if (name) { return new(tree.Call)(name, args, index, env.filename, env.rootpath) }
@@ -635,8 +638,7 @@ less.Parser = function Parser(env) {
return args;
},
literal: function () {
return $(this.entities.ratio) ||
$(this.entities.dimension) ||
return $(this.entities.dimension) ||
$(this.entities.color) ||
$(this.entities.quoted) ||
$(this.entities.unicodeDescriptor);
@@ -730,20 +732,6 @@ less.Parser = function Parser(env) {
}
},
//
// A Ratio
//
// 16/9
//
ratio: function () {
var value, c = input.charCodeAt(i);
if (c > 57 || c < 48) return;
if (value = $(/^(\d+\/\d+)/)) {
return new(tree.Ratio)(value[1]);
}
},
//
// A unicode descriptor, as is used in unicode-range
//
@@ -787,27 +775,6 @@ less.Parser = function Parser(env) {
if (input.charAt(i) === '@' && (name = $(/^(@[\w-]+)\s*:/))) { return name[1] }
},
//
// A font size/line-height shorthand
//
// small/12px
//
// We need to peek first, or we'll match on keywords and dimensions
//
shorthand: function () {
var a, b;
if (! peek(/^[@\w.%-]+\/[@\w.-]+/)) return;
save();
if ((a = $(this.entity)) && $('/') && (b = $(this.entity))) {
return new(tree.Shorthand)(a, b);
}
restore();
},
//
// extend syntax - used to extend selectors
//
@@ -1192,8 +1159,6 @@ less.Parser = function Parser(env) {
if (!env.compress && (name.charAt(0) != '@') && (match = /^([^@+\/'"*`(;{}-]*);/.exec(chunks[j]))) {
i += match[0].length - 1;
value = new(tree.Anonymous)(match[1]);
} else if (name === "font") {
value = $(this.font);
} else {
value = $(this.value);
}
@@ -1244,7 +1209,7 @@ less.Parser = function Parser(env) {
nodes.push(e);
} else if ($('(')) {
p = $(this.property);
e = $(this.entity);
e = $(this.value);
if ($(')')) {
if (p && e) {
nodes.push(new(tree.Paren)(new(tree.Rule)(p, e, null, i, true)));
@@ -1378,22 +1343,6 @@ less.Parser = function Parser(env) {
restore();
},
font: function () {
var value = [], expression = [], weight, shorthand, font, e;
while (e = $(this.shorthand) || $(this.entity)) {
expression.push(e);
}
value.push(new(tree.Expression)(expression));
if ($(',')) {
while (e = $(this.expression)) {
value.push(e);
if (! $(',')) { break }
}
}
return new(tree.Value)(value);
},
//
// A Value is a comma-delimited list of Expressions
@@ -1425,10 +1374,11 @@ less.Parser = function Parser(env) {
if ($('(')) {
parens++;
e = $(this.expression);
expect(')');
parens--;
return e;
if (e = $(this.expression)) {
expect(')');
parens--;
return e;
}
}
},
multiplication: function () {
@@ -1515,6 +1465,9 @@ less.Parser = function Parser(env) {
while (e = $(this.addition) || $(this.entity)) {
entities.push(e);
if (!peek(/^\/\*/) && (delim = $('/'))) {
entities.push(new(tree.Anonymous)(delim));
}
}
if (entities.length > 0) {
return new(tree.Expression)(entities);

13
lib/less/tree/ratio.js
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@@ -1,13 +0,0 @@
(function (tree) {
tree.Ratio = function (value) {
this.value = value;
};
tree.Ratio.prototype = {
toCSS: function (env) {
return this.value;
},
eval: function () { return this }
};
})(require('../tree'));