mirror of
https://github.com/jashkenas/coffeescript.git
synced 2022-11-09 12:23:24 -05:00
Merged in StanAngeloff excellent slice branch, applying recent factoring of utility functions
This commit is contained in:
matehat
parent
76ade0cb4d
commit
da43c70488
11 changed files with 243 additions and 414 deletions
11
lib/cake.js
11
lib/cake.js
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@ -1,6 +1,15 @@
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(function(){
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var CoffeeScript, fs, helpers, no_such_task, oparse, options, optparse, path, print_tasks, switches, tasks;
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var Coffeescript = {
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slice: function(array, from, to, exclusive) {
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return array.slice.apply(array, Coffeescript.range(array, from, to, exclusive));
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},
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range: function(array, from, to, exclusive) {
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return [
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(from < 0 ? from + array.length : from || 0),
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(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
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];
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},
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hasProp: Object.prototype.hasOwnProperty
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};
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// `cake` is a simplified version of [Make](http://www.gnu.org/software/make/)
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@ -55,7 +64,7 @@
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if (!(exists)) {
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throw new Error("Cakefile not found in " + (process.cwd()));
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}
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args = __slice(process.argv, 2, process.argv.length, true);
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args = Coffeescript.slice(process.argv, 2, process.argv.length, true);
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CoffeeScript.run(fs.readFileSync('Cakefile'), {
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source: 'Cakefile'
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});
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@ -1,10 +1,15 @@
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(function(){
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var BANNER, CoffeeScript, SWITCHES, compile_options, compile_script, compile_scripts, compile_stdio, fs, lint, option_parser, options, optparse, parse_options, path, print_tokens, sources, usage, version, watch_scripts, write_js;
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var __slice = function __slice(array, from, to, exclusive) {
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return array.slice(
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var Coffeescript = {
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slice: function(array, from, to, exclusive) {
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return array.slice.apply(array, Coffeescript.range(array, from, to, exclusive));
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},
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range: function(array, from, to, exclusive) {
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return [
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(from < 0 ? from + array.length : from || 0),
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(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
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);
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];
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}
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};
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// The `coffee` utility. Handles command-line compilation of CoffeeScript
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// into various forms: saved into `.js` files or printed to stdout, piped to
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@ -51,8 +56,8 @@
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separator = sources.indexOf('--');
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flags = [];
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if (separator >= 0) {
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flags = __slice(sources, (separator + 1), sources.length, true);
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sources = __slice(sources, 0, separator, true);
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flags = Coffeescript.slice(sources, (separator + 1), sources.length, true);
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sources = Coffeescript.slice(sources, 0, separator, true);
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}
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process.ARGV = (process.argv = flags);
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if (options.watch) {
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@ -208,7 +213,8 @@
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o = (options = option_parser.parse(process.argv));
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options.run = !(o.compile || o.print || o.lint);
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options.print = !!(o.print || (o.eval || o.stdio && o.compile));
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return sources = __slice(options.arguments, 2, options.arguments.length, true);
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sources = Coffeescript.slice(options.arguments, 2, options.arguments.length, true);
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return sources;
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};
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// The compile-time options to pass to the CoffeeScript compiler.
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compile_options = function compile_options(source) {
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@ -1,5 +1,8 @@
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(function(){
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var ACCESSORS, ASSIGNMENT, CALLABLE, CODE, COFFEE_ALIASES, COFFEE_KEYWORDS, COMMENT, COMMENT_CLEANER, CONVERSIONS, HALF_ASSIGNMENTS, HEREDOC, HEREDOC_INDENT, IDENTIFIER, INTERPOLATION, JS_CLEANER, JS_FORBIDDEN, JS_KEYWORDS, KEYWORDS, LAST_DENT, LAST_DENTS, LINE_BREAK, Lexer, MULTILINER, MULTI_DENT, NOT_REGEX, NO_NEWLINE, NUMBER, OPERATOR, REGEX_ESCAPE, REGEX_FLAGS, REGEX_INTERPOLATION, REGEX_START, RESERVED, Rewriter, STRING_NEWLINES, WHITESPACE, balanced_string, compact, count, helpers, include, starts;
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var Coffeescript = {
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aslice: Array.prototype.slice
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};
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// The CoffeeScript Lexer. Uses a series of token-matching regexes to attempt
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// matches against the beginning of the source code. When a match is found,
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// a token is produced, we consume the match, and start again. Tokens are in the
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@ -236,7 +239,7 @@
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// balanced (ie. strings, JS literals).
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Lexer.prototype.balanced_token = function balanced_token() {
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var delimited;
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delimited = Array.prototype.slice.call(arguments, 0, arguments.length - 0);
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delimited = Coffeescript.aslice.call(arguments, 0, arguments.length - 0);
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return balanced_string(this.chunk, delimited);
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};
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// Matches and conumes comments. We pass through comments into JavaScript,
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51
lib/nodes.js
51
lib/nodes.js
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@ -8,14 +8,24 @@
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child.prototype = new ctor();
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child.prototype.constructor = child;
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},
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slice: function(array, from, to, exclusive) {
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return array.slice.apply(array, Coffeescript.range(array, from, to, exclusive));
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},
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range: function(array, from, to, exclusive) {
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return [
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(from < 0 ? from + array.length : from || 0),
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(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
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];
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},
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bind: function(func, obj, args) {
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obj = obj || {};
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return (typeof args !== "undefined" && args !== null) ? function() {
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return func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)));
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return (typeof args !== 'undefined' && args !== null) ? function() {
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return func.apply(obj, args.concat(Coffeescript.aslice.call(arguments, 0)));
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} : function() {
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return func.apply(obj, arguments);
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};
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}
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},
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aslice: Array.prototype.slice
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};
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// `nodes.coffee` contains all of the node classes for the syntax tree. Most
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// nodes are created as the result of actions in the [grammar](grammar.html),
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@ -436,7 +446,7 @@
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op = del(o, 'operation');
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splice = del(o, 'splice');
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replace = del(o, 'replace');
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props = only ? __slice(this.properties, 0, this.properties.length - 1, true) : this.properties;
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props = only ? Coffeescript.slice(this.properties, 0, this.properties.length - 1, true) : this.properties;
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baseline = this.base.compile(o);
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if (this.base instanceof ObjectNode && this.has_properties()) {
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baseline = "(" + baseline + ")";
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@ -584,7 +594,6 @@
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};
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Coffeescript.extend(CurryNode, CallNode);
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CurryNode.prototype.type = 'Curry';
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CurryNode.prototype.body = 'func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)))';
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CurryNode.prototype.arguments = function arguments(o) {
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var _a, _b, _c, arg;
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_b = this.args;
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@ -727,8 +736,6 @@
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};
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Coffeescript.extend(SliceNode, BaseNode);
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SliceNode.prototype.type = 'Slice';
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SliceNode.prototype.slice_code = 'function __slice(array, from, to, exclusive) {\n return array.slice(\n (from < 0 ? from + array.length : from || 0),\n (to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)\n );\n }';
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SliceNode.prototype.splice_code = 'function __splice(array, from, to, exclusive, replace) {\n var _a;\n return array.splice.apply(\n array,\n [_a = (from < 0 ? from + array.length : from || 0), (to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1) - _a].concat(replace)\n );\n }';
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SliceNode.prototype.compile_node = function compile_node(o) {
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var from, plus_part, to;
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from = this.range.from.compile(o);
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@ -737,29 +744,23 @@
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return ".slice(" + from + ", " + to + plus_part + ")";
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};
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SliceNode.prototype.compile_splice = function compile_splice(o) {
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var _a, _b, _c, array, call, exclusive, from, ref, replace, to;
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if ((typeof (_a = o.scope) !== "undefined" && _a !== null)) {
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o.scope.assign('__splice', this.splice_code, true);
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}
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var _a, _b, array, call, exclusive, from, ref, replace, to;
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array = del(o, 'array');
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replace = del(o, 'replace');
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from = (typeof (_b = this.range.from) !== "undefined" && _b !== null) ? this.range.from : literal('null');
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to = (typeof (_c = this.range.to) !== "undefined" && _c !== null) ? this.range.to : literal('null');
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from = (typeof (_a = this.range.from) !== "undefined" && _a !== null) ? this.range.from : literal('null');
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to = (typeof (_b = this.range.to) !== "undefined" && _b !== null) ? this.range.to : literal('null');
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exclusive = this.range.exclusive ? 'true' : 'false';
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ref = new ValueNode(literal('__splice'));
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ref = new ValueNode(literal(o.scope.utility('splice')));
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call = new CallNode(ref, [literal(array), from, to, literal(exclusive), replace]);
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return call.compile(o);
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};
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SliceNode.prototype.compile_slice = function compile_slice(o) {
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var _a, _b, _c, array, call, exclusive, from, ref, to;
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if ((typeof (_a = o.scope) !== "undefined" && _a !== null)) {
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o.scope.assign('__slice', this.slice_code, true);
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}
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var _a, _b, array, call, exclusive, from, ref, to;
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array = del(o, 'array');
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from = (typeof (_b = this.range.from) !== "undefined" && _b !== null) ? this.range.from : literal('null');
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to = (typeof (_c = this.range.to) !== "undefined" && _c !== null) ? this.range.to : literal('null');
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from = (typeof (_a = this.range.from) !== "undefined" && _a !== null) ? this.range.from : literal('null');
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to = (typeof (_b = this.range.to) !== "undefined" && _b !== null) ? this.range.to : literal('null');
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exclusive = this.range.exclusive ? 'true' : 'false';
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ref = new ValueNode(literal('__slice'));
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ref = new ValueNode(literal(o.scope.utility('slice')));
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call = new CallNode(ref, [literal(array), from, to, literal(exclusive)]);
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return call.compile(o);
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};
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@ -833,7 +834,7 @@
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obj = _a[i];
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code = obj.compile(o);
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if (obj instanceof SplatNode) {
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return this.compile_splat_literal(this.objects, o);
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return this.compile_splat_literal(o);
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} else if (obj instanceof CommentNode) {
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objects.push("\n" + code + "\n" + o.indent);
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} else if (i === this.objects.length - 1) {
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@ -1162,15 +1163,15 @@
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o.scope.assign(trailing.compile(o), "arguments[arguments.length - " + this.trailings.length + " + " + i + "]");
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i += 1;
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}
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return "" + name + " = Array.prototype.slice.call(arguments, " + this.index + ", arguments.length - " + (this.trailings.length) + ")";
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return "" + name + " = " + (o.scope.utility('aslice')) + ".call(arguments, " + this.index + ", arguments.length - " + (this.trailings.length) + ")";
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};
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// A compiling a splat as a destructuring assignment means slicing arguments
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// from the right-hand-side's corresponding array.
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SplatNode.prototype.compile_value = function compile_value(o, name, index, trailings) {
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if ((typeof trailings !== "undefined" && trailings !== null)) {
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return "Array.prototype.slice.call(" + name + ", " + index + ", " + (name) + ".length - " + trailings + ")";
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return "" + (o.scope.utility('aslice')) + ".call(" + name + ", " + index + ", " + (name) + ".length - " + trailings + ")";
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} else {
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return "Array.prototype.slice.call(" + name + ", " + index + ")";
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return "" + (o.scope.utility('aslice')) + ".call(" + name + ", " + index + ")";
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}
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};
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// Utility function that converts arbitrary number of elements, mixed with
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426
lib/parser.js
426
lib/parser.js
File diff suppressed because one or more lines are too long
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@ -3,12 +3,13 @@
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var Coffeescript = {
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bind: function(func, obj, args) {
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obj = obj || {};
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return (typeof args !== "undefined" && args !== null) ? function() {
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return func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)));
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return (typeof args !== 'undefined' && args !== null) ? function() {
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return func.apply(obj, args.concat(Coffeescript.aslice.call(arguments, 0)));
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} : function() {
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return func.apply(obj, arguments);
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};
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},
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aslice: Array.prototype.slice,
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hasProp: Object.prototype.hasOwnProperty
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};
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// The CoffeeScript language has a good deal of optional syntax, implicit syntax,
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14
lib/scope.js
14
lib/scope.js
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@ -97,20 +97,30 @@
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// Ensure the CoffeeScript utility object is included in the top level
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// then return a CallNode curried constructor bound to the utility function
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Scope.prototype.utility = function utility(name) {
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var _a, _b, _c, _d, dep;
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if (this.parent) {
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return this.topmost().utility(name);
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}
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if ((typeof (_d = utilities.functions[name]) !== "undefined" && _d !== null)) {
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this.utilities = this.utilities || {};
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this.utilities[name] = true;
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this.utilities[name] = utilities.functions[name];
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_b = (utilities.dependencies[name] || []);
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for (_a = 0, _c = _b.length; _a < _c; _a++) {
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dep = _b[_a];
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this.utility(dep);
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}
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}
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return "" + (utilities.KEY) + "." + name;
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};
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// Formats an javascript object containing the utility methods required
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// in the scope
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Scope.prototype.included_utilities = function included_utilities(tab) {
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var _a, _b, _c, _d, key, props;
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if ((typeof (_d = this.utilities) !== "undefined" && _d !== null)) {
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props = (function() {
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_a = []; _b = this.utilities;
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for (key in _b) { if (Coffeescript.hasProp.call(_b, key)) {
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(typeof (_c = this.utilities[key]) !== "undefined" && _c !== null) ? _a.push(utilities.FORMAT(key, tab)) : null;
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(typeof (_c = this.utilities[key]) !== "undefined" && _c !== null) ? _a.push(utilities.format(key, tab)) : null;
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}}
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return _a;
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}).call(this);
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@ -4,12 +4,23 @@
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this.exports = this;
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}
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exports.utilities = (utilities = {
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KEY: "Coffeescript",
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FORMAT: function FORMAT(key, tab) {
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return "\n " + tab + key + ": " + (utilities[key].replace(/\n/g, "\n" + tab + " ") || 'undefined');
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},
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extend: 'function(child, parent) {\n var ctor = function(){ };\n ctor.prototype = parent.prototype;\n child.__superClass__ = parent.prototype;\n child.prototype = new ctor();\n child.prototype.constructor = child;\n}',
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bind: 'function(func, obj, args) {\n obj = obj || {};\n return (typeof args !== "undefined" && args !== null) ? function() {\n return func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)));\n } : function() {\n return func.apply(obj, arguments);\n };\n}',
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hasProp: "Object.prototype.hasOwnProperty"
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KEY: "Coffeescript"
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});
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utilities.format = function format(key, tab) {
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return "\n " + tab + key + ": " + (utilities.functions[key].replace(/\n/g, "\n" + tab + " ") || 'undefined');
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};
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utilities.dependencies = {
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slice: ['range'],
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splice: ['range'],
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bind: ['aslice']
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};
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utilities.functions = {
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extend: "function(child, parent) {\n var ctor = function(){ };\n ctor.prototype = parent.prototype;\n child.__superClass__ = parent.prototype;\n child.prototype = new ctor();\n child.prototype.constructor = child;\n}",
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bind: "function(func, obj, args) {\n obj = obj || {};\n return (typeof args !== 'undefined' && args !== null) ? function() {\n return func.apply(obj, args.concat(" + (utilities.KEY) + ".aslice.call(arguments, 0)));\n } : function() {\n return func.apply(obj, arguments);\n };\n}",
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range: "function(array, from, to, exclusive) {\n return [\n (from < 0 ? from + array.length : from || 0),\n (to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)\n ];\n}",
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slice: "function(array, from, to, exclusive) {\n return array.slice.apply(array, " + (utilities.KEY) + ".range(array, from, to, exclusive));\n}",
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splice: "function(array, from, to, exclusive, replace) {\n var _a, _r = " + (utilities.KEY) + ".range(array, from, to, exclusive);\n return array.splice.apply(array, [_a = _r[0], _r[1] - _a].concat(replace));\n}",
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hasProp: "Object.prototype.hasOwnProperty",
|
||||
aslice: "Array.prototype.slice"
|
||||
};
|
||||
})();
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|
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|
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@ -420,8 +420,6 @@ exports.CallNode: class CallNode extends BaseNode
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exports.CurryNode: class CurryNode extends CallNode
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type: 'Curry'
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body: 'func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)))'
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constructor: (meth, args) ->
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@children: flatten [@meth: meth, @context: args[0], @args: (args.slice(1) or [])]
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@compile_splat_arguments: SplatNode.compile_mixed_array <- @, @args
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|
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@ -532,25 +530,6 @@ exports.RangeNode: class RangeNode extends BaseNode
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exports.SliceNode: class SliceNode extends BaseNode
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type: 'Slice'
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slice_code: '''
|
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function __slice(array, from, to, exclusive) {
|
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return array.slice(
|
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(from < 0 ? from + array.length : from || 0),
|
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(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
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);
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}
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'''
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splice_code: '''
|
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function __splice(array, from, to, exclusive, replace) {
|
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var _a;
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return array.splice.apply(
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array,
|
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[_a = (from < 0 ? from + array.length : from || 0), (to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1) - _a].concat(replace)
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);
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}
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'''
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constructor: (range) ->
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@children: [@range: range]
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this
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|
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@ -562,23 +541,21 @@ exports.SliceNode: class SliceNode extends BaseNode
|
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".slice($from, $to$plus_part)"
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|
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compile_splice: (o) ->
|
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o.scope.assign('__splice', @splice_code, true) if o.scope?
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array: del o, 'array'
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replace: del o, 'replace'
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from: if @range.from? then @range.from else literal('null')
|
||||
to: if @range.to? then @range.to else literal('null')
|
||||
exclusive: if @range.exclusive then 'true' else 'false'
|
||||
ref: new ValueNode literal('__splice')
|
||||
ref: new ValueNode literal(o.scope.utility('splice'))
|
||||
call: new CallNode ref, [literal(array), from, to, literal(exclusive), replace]
|
||||
call.compile(o)
|
||||
|
||||
compile_slice: (o) ->
|
||||
o.scope.assign('__slice', @slice_code, true) if o.scope?
|
||||
array: del o, 'array'
|
||||
from: if @range.from? then @range.from else literal('null')
|
||||
to: if @range.to? then @range.to else literal('null')
|
||||
exclusive: if @range.exclusive then 'true' else 'false'
|
||||
ref: new ValueNode literal('__slice')
|
||||
ref: new ValueNode literal(o.scope.utility('slice'))
|
||||
call: new CallNode ref, [literal(array), from, to, literal(exclusive)]
|
||||
call.compile(o)
|
||||
|
||||
|
|
@ -626,7 +603,7 @@ exports.ArrayNode: class ArrayNode extends BaseNode
|
|||
for obj, i in @objects
|
||||
code: obj.compile(o)
|
||||
if obj instanceof SplatNode
|
||||
return @compile_splat_literal(@objects, o)
|
||||
return @compile_splat_literal o
|
||||
else if obj instanceof CommentNode
|
||||
objects.push "\n$code\n$o.indent"
|
||||
else if i is @objects.length - 1
|
||||
|
|
@ -866,13 +843,13 @@ exports.SplatNode: class SplatNode extends BaseNode
|
|||
for trailing in @trailings
|
||||
o.scope.assign(trailing.compile(o), "arguments[arguments.length - $@trailings.length + $i]")
|
||||
i: + 1
|
||||
"$name = Array.prototype.slice.call(arguments, $@index, arguments.length - ${@trailings.length})"
|
||||
"$name = ${o.scope.utility('aslice')}.call(arguments, $@index, arguments.length - ${@trailings.length})"
|
||||
|
||||
# A compiling a splat as a destructuring assignment means slicing arguments
|
||||
# from the right-hand-side's corresponding array.
|
||||
compile_value: (o, name, index, trailings) ->
|
||||
if trailings? then "Array.prototype.slice.call($name, $index, ${name}.length - $trailings)" \
|
||||
else "Array.prototype.slice.call($name, $index)"
|
||||
if trailings? then "${o.scope.utility('aslice')}.call($name, $index, ${name}.length - $trailings)" \
|
||||
else "${o.scope.utility('aslice')}.call($name, $index)"
|
||||
|
||||
# Utility function that converts arbitrary number of elements, mixed with
|
||||
# splats, to a proper array
|
||||
|
|
|
|||
|
|
@ -66,17 +66,20 @@ exports.Scope: class Scope
|
|||
# then return a CallNode curried constructor bound to the utility function
|
||||
utility: (name) ->
|
||||
return @topmost().utility(name) if @parent
|
||||
if utilities.functions[name]?
|
||||
@utilities: or {}
|
||||
@utilities[name]: true
|
||||
@utilities[name]: utilities.functions[name]
|
||||
@utility(dep) for dep in (utilities.dependencies[name] or [])
|
||||
"${utilities.KEY}.$name"
|
||||
|
||||
# Formats an javascript object containing the utility methods required
|
||||
# in the scope
|
||||
included_utilities: (tab) ->
|
||||
if @utilities?
|
||||
props: (utilities.FORMAT(key, tab) for key of @utilities when @utilities[key]?)
|
||||
props: (utilities.format(key, tab) for key of @utilities when @utilities[key]?)
|
||||
["${utilities.KEY} = {${props.join(', ')}\n$tab}"]
|
||||
else []
|
||||
|
||||
|
||||
# Does this scope reference any variables that need to be declared in the
|
||||
# given function body?
|
||||
has_declarations: (body) ->
|
||||
|
|
|
|||
|
|
@ -1,10 +1,17 @@
|
|||
this.exports: this unless process?
|
||||
exports.utilities: utilities: {
|
||||
KEY: "Coffeescript"
|
||||
FORMAT: (key, tab) ->
|
||||
"\n $tab$key: ${utilities[key].replace(/\n/g, "\n$tab ") or 'undefined'}"
|
||||
exports.utilities: utilities: { KEY: "Coffeescript" }
|
||||
|
||||
extend: '''
|
||||
utilities.format: (key, tab) ->
|
||||
"\n $tab$key: ${utilities.functions[key].replace(/\n/g, "\n$tab ") or 'undefined'}"
|
||||
|
||||
utilities.dependencies: {
|
||||
slice: ['range']
|
||||
splice: ['range']
|
||||
bind: ['aslice']
|
||||
}
|
||||
|
||||
utilities.functions: {
|
||||
extend: """
|
||||
function(child, parent) {
|
||||
var ctor = function(){ };
|
||||
ctor.prototype = parent.prototype;
|
||||
|
|
@ -12,16 +19,37 @@ exports.utilities: utilities: {
|
|||
child.prototype = new ctor();
|
||||
child.prototype.constructor = child;
|
||||
}
|
||||
'''
|
||||
bind: '''
|
||||
"""
|
||||
bind: """
|
||||
function(func, obj, args) {
|
||||
obj = obj || {};
|
||||
return (typeof args !== "undefined" && args !== null) ? function() {
|
||||
return func.apply(obj, args.concat(Array.prototype.slice.call(arguments, 0)));
|
||||
return (typeof args !== 'undefined' && args !== null) ? function() {
|
||||
return func.apply(obj, args.concat(${utilities.KEY}.aslice.call(arguments, 0)));
|
||||
} : function() {
|
||||
return func.apply(obj, arguments);
|
||||
};
|
||||
}
|
||||
'''
|
||||
"""
|
||||
range: """
|
||||
function(array, from, to, exclusive) {
|
||||
return [
|
||||
(from < 0 ? from + array.length : from || 0),
|
||||
(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
|
||||
];
|
||||
}
|
||||
"""
|
||||
slice: """
|
||||
function(array, from, to, exclusive) {
|
||||
return array.slice.apply(array, ${utilities.KEY}.range(array, from, to, exclusive));
|
||||
}
|
||||
"""
|
||||
splice: """
|
||||
function(array, from, to, exclusive, replace) {
|
||||
var _a, _r = ${utilities.KEY}.range(array, from, to, exclusive);
|
||||
return array.splice.apply(array, [_a = _r[0], _r[1] - _a].concat(replace));
|
||||
}
|
||||
"""
|
||||
|
||||
hasProp: "Object.prototype.hasOwnProperty"
|
||||
aslice: "Array.prototype.slice"
|
||||
}
|
||||
Loading…
Reference in a new issue