Allowing for negative indices in slice literals.
This commit is contained in:
parent
9f108e87eb
commit
15217c705e
|
@ -342,10 +342,18 @@
|
|||
})
|
||||
],
|
||||
// The slice literal.
|
||||
Slice: [o("INDEX_START Expression . . Expression INDEX_END", function() {
|
||||
Slice: [o("INDEX_START . . Expression INDEX_END", function() {
|
||||
return new RangeNode(null, $4);
|
||||
}), o("INDEX_START Expression . . INDEX_END", function() {
|
||||
return new RangeNode($2, null);
|
||||
}), o("INDEX_START Expression . . Expression INDEX_END", function() {
|
||||
return new RangeNode($2, $5);
|
||||
}), o("INDEX_START . . . Expression INDEX_END", function() {
|
||||
return new RangeNode(null, $5, true);
|
||||
}), o("INDEX_START Expression . . . Expression INDEX_END", function() {
|
||||
return new RangeNode($2, $6, true);
|
||||
}), o("INDEX_START . . . INDEX_END", function() {
|
||||
return new RangeNode(null, null, true);
|
||||
})
|
||||
],
|
||||
// The array literal.
|
||||
|
|
26
lib/nodes.js
26
lib/nodes.js
|
@ -452,6 +452,12 @@
|
|||
} else {
|
||||
complete = complete + this.SOAK + (baseline += prop.compile(o));
|
||||
}
|
||||
} else if (prop instanceof SliceNode) {
|
||||
o.array = complete;
|
||||
part = prop.compile_slice(o);
|
||||
baseline = part;
|
||||
complete = part;
|
||||
this.last = part;
|
||||
} else {
|
||||
part = prop.compile(o);
|
||||
baseline += part;
|
||||
|
@ -714,12 +720,22 @@
|
|||
};
|
||||
Coffeescript.extend(SliceNode, BaseNode);
|
||||
SliceNode.prototype.type = 'Slice';
|
||||
SliceNode.prototype.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 }';
|
||||
SliceNode.prototype.compile_node = function compile_node(o) {
|
||||
var from, plus_part, to;
|
||||
from = this.range.from.compile(o);
|
||||
to = this.range.to.compile(o);
|
||||
plus_part = this.range.exclusive ? '' : ' + 1';
|
||||
return ".slice(" + from + ", " + to + plus_part + ")";
|
||||
throw "'" + this.type + "' cannot compile outside of 'ValueNode'";
|
||||
};
|
||||
SliceNode.prototype.compile_slice = function compile_slice(o) {
|
||||
var _a, _b, _c, array, call, exclusive, from, ref, to;
|
||||
if ((typeof (_a = o.scope) !== "undefined" && _a !== null)) {
|
||||
o.scope.assign('__slice', this.code, true);
|
||||
}
|
||||
array = del(o, 'array');
|
||||
from = (typeof (_b = this.range.from) !== "undefined" && _b !== null) ? this.range.from : literal('null');
|
||||
to = (typeof (_c = this.range.to) !== "undefined" && _c !== null) ? this.range.to : literal('null');
|
||||
exclusive = this.range.exclusive ? 'true' : 'false';
|
||||
ref = new ValueNode(literal('__slice'));
|
||||
call = new CallNode(ref, [literal(array), from, to, literal(exclusive)]);
|
||||
return call.compile(o);
|
||||
};
|
||||
return SliceNode;
|
||||
}).call(this);
|
||||
|
|
228
lib/parser.js
228
lib/parser.js
File diff suppressed because one or more lines are too long
|
@ -0,0 +1,22 @@
|
|||
<script src="../vendor/jslitmus/JSLitmus.js"></script>
|
||||
<script>
|
||||
array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
|
||||
from = 0; to = 10;
|
||||
|
||||
JSLitmus.test('Array#slice', function(count) {
|
||||
while (count --)
|
||||
array.slice(from, to);
|
||||
});
|
||||
|
||||
function __slice(array, from, to, exclusive) {
|
||||
return array.slice(
|
||||
(from < 0 ? from + array.length : from || 0),
|
||||
(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
|
||||
);
|
||||
}
|
||||
|
||||
JSLitmus.test('__slice', function(count) {
|
||||
while (count --)
|
||||
__slice(array, from, to, false);
|
||||
});
|
||||
</script>
|
|
@ -328,8 +328,12 @@ grammar: {
|
|||
|
||||
# The slice literal.
|
||||
Slice: [
|
||||
o "INDEX_START Expression . . Expression INDEX_END", -> new RangeNode $2, $5
|
||||
o "INDEX_START Expression . . . Expression INDEX_END", -> new RangeNode $2, $6, true
|
||||
o "INDEX_START . . Expression INDEX_END", -> new RangeNode null, $4
|
||||
o "INDEX_START Expression . . INDEX_END", -> new RangeNode $2, null
|
||||
o "INDEX_START Expression . . Expression INDEX_END", -> new RangeNode $2, $5
|
||||
o "INDEX_START . . . Expression INDEX_END", -> new RangeNode null, $5, true
|
||||
o "INDEX_START Expression . . . Expression INDEX_END", -> new RangeNode $2, $6, true
|
||||
o "INDEX_START . . . INDEX_END", -> new RangeNode null, null, true
|
||||
]
|
||||
|
||||
# The array literal.
|
||||
|
|
|
@ -322,6 +322,12 @@ exports.ValueNode: class ValueNode extends BaseNode
|
|||
complete: "($temp = $complete)$@SOAK" + (baseline: temp + prop.compile(o))
|
||||
else
|
||||
complete: complete + @SOAK + (baseline: + prop.compile(o))
|
||||
else if prop instanceof SliceNode
|
||||
o.array: complete
|
||||
part: prop.compile_slice(o)
|
||||
baseline = part
|
||||
complete = part
|
||||
@last: part
|
||||
else
|
||||
part: prop.compile(o)
|
||||
baseline: + part
|
||||
|
@ -520,15 +526,31 @@ exports.RangeNode: class RangeNode extends BaseNode
|
|||
exports.SliceNode: class SliceNode extends BaseNode
|
||||
type: 'Slice'
|
||||
|
||||
code: '''
|
||||
function __slice(array, from, to, exclusive) {
|
||||
return array.slice(
|
||||
(from < 0 ? from + array.length : from || 0),
|
||||
(to < 0 ? to + array.length : to || array.length) + (exclusive ? 0 : 1)
|
||||
);
|
||||
}
|
||||
'''
|
||||
|
||||
constructor: (range) ->
|
||||
@children: [@range: range]
|
||||
this
|
||||
|
||||
compile_node: (o) ->
|
||||
from: @range.from.compile(o)
|
||||
to: @range.to.compile(o)
|
||||
plus_part: if @range.exclusive then '' else ' + 1'
|
||||
".slice($from, $to$plus_part)"
|
||||
throw "'$@type' cannot compile outside of 'ValueNode'"
|
||||
|
||||
compile_slice: (o) ->
|
||||
o.scope.assign('__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')
|
||||
call: new CallNode ref, [literal(array), from, to, literal(exclusive)]
|
||||
call.compile(o)
|
||||
|
||||
#### ObjectNode
|
||||
|
||||
|
|
|
@ -13,4 +13,46 @@ ok countdown is "10 9 8 7 6 5 4 3 2 1"
|
|||
|
||||
|
||||
array: [(1+5)..1+9]
|
||||
ok array.join(' ') is "6 7 8 9 10"
|
||||
ok array.join(' ') is "6 7 8 9 10"
|
||||
|
||||
|
||||
hello: "Hello World"
|
||||
|
||||
ok hello[...] is "Hello World"
|
||||
ok hello[1..] is "ello World"
|
||||
ok hello[6..] is "World"
|
||||
ok hello[6..-1] is "World"
|
||||
ok hello[6...-1] is "Worl"
|
||||
ok hello[1...1] is ""
|
||||
ok hello[1..1] is "e"
|
||||
ok hello[1...5] is "ello"
|
||||
ok hello[0..4] is "Hello"
|
||||
ok hello[...-1] is "Hello Worl"
|
||||
ok hello[...-6] is "Hello"
|
||||
ok hello[..1000] is "Hello World"
|
||||
|
||||
# http://wiki.ecmascript.org/doku.php?id=proposals:slice_syntax
|
||||
s: "hello, world"
|
||||
ok s[3...5] is 'lo'
|
||||
ok s[10..] is 'ld'
|
||||
|
||||
a: [0, 1, 2, 3, 4, 5, 6, 7]
|
||||
deepEqual a[2...6], [2, 3, 4, 5]
|
||||
deepEqual a[-6...-2], [2, 3, 4, 5]
|
||||
deepEqual a[...2], [0, 1]
|
||||
|
||||
# http://techearth.net/python/index.php5?title=Python:Basics:Slices
|
||||
alphabet: 'abcdefghij'
|
||||
ok alphabet[1...3] is 'bc'
|
||||
ok alphabet[...3] is 'abc'
|
||||
ok alphabet[1..] is 'bcdefghij'
|
||||
ok alphabet[...] is 'abcdefghij'
|
||||
ok alphabet[-1..] is 'j'
|
||||
ok alphabet[...-1] is 'abcdefghi'
|
||||
|
||||
lstFruit: ['apple', 'banana', 'cherry', 'date']
|
||||
deepEqual lstFruit[1...3], ['banana', 'cherry']
|
||||
lstFruit2: lstFruit[...]
|
||||
deepEqual lstFruit2, lstFruit
|
||||
lstFruit[1]: 'blueberry'
|
||||
deepEqual lstFruit2, ['apple', 'banana', 'cherry', 'date']
|
||||
|
|
|
@ -0,0 +1,671 @@
|
|||
// JSLitmus.js
|
||||
//
|
||||
// History:
|
||||
// 2008-10-27: Initial release
|
||||
// 2008-11-09: Account for iteration loop overhead
|
||||
// 2008-11-13: Added OS detection
|
||||
// 2009-02-25: Create tinyURL automatically, shift-click runs tests in reverse
|
||||
//
|
||||
// Copyright (c) 2008-2009, Robert Kieffer
|
||||
// All Rights Reserved
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the
|
||||
// Software), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
||||
// persons to whom the Software is furnished to do so, subject to the
|
||||
// following conditions:
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
||||
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
||||
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
||||
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
||||
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
(function() {
|
||||
// Private methods and state
|
||||
|
||||
// Get platform info but don't go crazy trying to recognize everything
|
||||
// that's out there. This is just for the major platforms and OSes.
|
||||
var platform = 'unknown platform', ua = navigator.userAgent;
|
||||
|
||||
// Detect OS
|
||||
var oses = ['Windows','iPhone OS','(Intel |PPC )?Mac OS X','Linux'].join('|');
|
||||
var pOS = new RegExp('((' + oses + ') [^ \);]*)').test(ua) ? RegExp.$1 : null;
|
||||
if (!pOS) pOS = new RegExp('((' + oses + ')[^ \);]*)').test(ua) ? RegExp.$1 : null;
|
||||
|
||||
// Detect browser
|
||||
var pName = /(Chrome|MSIE|Safari|Opera|Firefox)/.test(ua) ? RegExp.$1 : null;
|
||||
|
||||
// Detect version
|
||||
var vre = new RegExp('(Version|' + pName + ')[ \/]([^ ;]*)');
|
||||
var pVersion = (pName && vre.test(ua)) ? RegExp.$2 : null;
|
||||
var platform = (pOS && pName && pVersion) ? pName + ' ' + pVersion + ' on ' + pOS : 'unknown platform';
|
||||
|
||||
/**
|
||||
* A smattering of methods that are needed to implement the JSLitmus testbed.
|
||||
*/
|
||||
var jsl = {
|
||||
/**
|
||||
* Enhanced version of escape()
|
||||
*/
|
||||
escape: function(s) {
|
||||
s = s.replace(/,/g, '\\,');
|
||||
s = escape(s);
|
||||
s = s.replace(/\+/g, '%2b');
|
||||
s = s.replace(/ /g, '+');
|
||||
return s;
|
||||
},
|
||||
|
||||
/**
|
||||
* Get an element by ID.
|
||||
*/
|
||||
$: function(id) {
|
||||
return document.getElementById(id);
|
||||
},
|
||||
|
||||
/**
|
||||
* Null function
|
||||
*/
|
||||
F: function() {},
|
||||
|
||||
/**
|
||||
* Set the status shown in the UI
|
||||
*/
|
||||
status: function(msg) {
|
||||
var el = jsl.$('jsl_status');
|
||||
if (el) el.innerHTML = msg || '';
|
||||
},
|
||||
|
||||
/**
|
||||
* Convert a number to an abbreviated string like, "15K" or "10M"
|
||||
*/
|
||||
toLabel: function(n) {
|
||||
if (n == Infinity) {
|
||||
return 'Infinity';
|
||||
} else if (n > 1e9) {
|
||||
n = Math.round(n/1e8);
|
||||
return n/10 + 'B';
|
||||
} else if (n > 1e6) {
|
||||
n = Math.round(n/1e5);
|
||||
return n/10 + 'M';
|
||||
} else if (n > 1e3) {
|
||||
n = Math.round(n/1e2);
|
||||
return n/10 + 'K';
|
||||
}
|
||||
return n;
|
||||
},
|
||||
|
||||
/**
|
||||
* Copy properties from src to dst
|
||||
*/
|
||||
extend: function(dst, src) {
|
||||
for (var k in src) dst[k] = src[k]; return dst;
|
||||
},
|
||||
|
||||
/**
|
||||
* Like Array.join(), but for the key-value pairs in an object
|
||||
*/
|
||||
join: function(o, delimit1, delimit2) {
|
||||
if (o.join) return o.join(delimit1); // If it's an array
|
||||
var pairs = [];
|
||||
for (var k in o) pairs.push(k + delimit1 + o[k]);
|
||||
return pairs.join(delimit2);
|
||||
},
|
||||
|
||||
/**
|
||||
* Array#indexOf isn't supported in IE, so we use this as a cross-browser solution
|
||||
*/
|
||||
indexOf: function(arr, o) {
|
||||
if (arr.indexOf) return arr.indexOf(o);
|
||||
for (var i = 0; i < this.length; i++) if (arr[i] === o) return i;
|
||||
return -1;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Test manages a single test (created with
|
||||
* JSLitmus.test())
|
||||
*
|
||||
* @private
|
||||
*/
|
||||
var Test = function (name, f) {
|
||||
if (!f) throw new Error('Undefined test function');
|
||||
if (!/function[^\(]*\(([^,\)]*)/.test(f.toString())) {
|
||||
throw new Error('"' + name + '" test: Test is not a valid Function object');
|
||||
}
|
||||
this.loopArg = RegExp.$1;
|
||||
this.name = name;
|
||||
this.f = f;
|
||||
};
|
||||
|
||||
jsl.extend(Test, /** @lends Test */ {
|
||||
/** Calibration tests for establishing iteration loop overhead */
|
||||
CALIBRATIONS: [
|
||||
new Test('calibrating loop', function(count) {while (count--);}),
|
||||
new Test('calibrating function', jsl.F)
|
||||
],
|
||||
|
||||
/**
|
||||
* Run calibration tests. Returns true if calibrations are not yet
|
||||
* complete (in which case calling code should run the tests yet again).
|
||||
* onCalibrated - Callback to invoke when calibrations have finished
|
||||
*/
|
||||
calibrate: function(onCalibrated) {
|
||||
for (var i = 0; i < Test.CALIBRATIONS.length; i++) {
|
||||
var cal = Test.CALIBRATIONS[i];
|
||||
if (cal.running) return true;
|
||||
if (!cal.count) {
|
||||
cal.isCalibration = true;
|
||||
cal.onStop = onCalibrated;
|
||||
//cal.MIN_TIME = .1; // Do calibrations quickly
|
||||
cal.run(2e4);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
});
|
||||
|
||||
jsl.extend(Test.prototype, {/** @lends Test.prototype */
|
||||
/** Initial number of iterations */
|
||||
INIT_COUNT: 10,
|
||||
/** Max iterations allowed (i.e. used to detect bad looping functions) */
|
||||
MAX_COUNT: 1e9,
|
||||
/** Minimum time a test should take to get valid results (secs) */
|
||||
MIN_TIME: .5,
|
||||
|
||||
/** Callback invoked when test state changes */
|
||||
onChange: jsl.F,
|
||||
|
||||
/** Callback invoked when test is finished */
|
||||
onStop: jsl.F,
|
||||
|
||||
/**
|
||||
* Reset test state
|
||||
*/
|
||||
reset: function() {
|
||||
delete this.count;
|
||||
delete this.time;
|
||||
delete this.running;
|
||||
delete this.error;
|
||||
},
|
||||
|
||||
/**
|
||||
* Run the test (in a timeout). We use a timeout to make sure the browser
|
||||
* has a chance to finish rendering any UI changes we've made, like
|
||||
* updating the status message.
|
||||
*/
|
||||
run: function(count) {
|
||||
count = count || this.INIT_COUNT;
|
||||
jsl.status(this.name + ' x ' + count);
|
||||
this.running = true;
|
||||
var me = this;
|
||||
setTimeout(function() {me._run(count);}, 200);
|
||||
},
|
||||
|
||||
/**
|
||||
* The nuts and bolts code that actually runs a test
|
||||
*/
|
||||
_run: function(count) {
|
||||
var me = this;
|
||||
|
||||
// Make sure calibration tests have run
|
||||
if (!me.isCalibration && Test.calibrate(function() {me.run(count);})) return;
|
||||
this.error = null;
|
||||
|
||||
try {
|
||||
var start, f = this.f, now, i = count;
|
||||
|
||||
// Start the timer
|
||||
start = new Date();
|
||||
|
||||
// Now for the money shot. If this is a looping function ...
|
||||
if (this.loopArg) {
|
||||
// ... let it do the iteration itself
|
||||
f(count);
|
||||
} else {
|
||||
// ... otherwise do the iteration for it
|
||||
while (i--) f();
|
||||
}
|
||||
|
||||
// Get time test took (in secs)
|
||||
this.time = Math.max(1,new Date() - start)/1000;
|
||||
|
||||
// Store iteration count and per-operation time taken
|
||||
this.count = count;
|
||||
this.period = this.time/count;
|
||||
|
||||
// Do we need to do another run?
|
||||
this.running = this.time <= this.MIN_TIME;
|
||||
|
||||
// ... if so, compute how many times we should iterate
|
||||
if (this.running) {
|
||||
// Bump the count to the nearest power of 2
|
||||
var x = this.MIN_TIME/this.time;
|
||||
var pow = Math.pow(2, Math.max(1, Math.ceil(Math.log(x)/Math.log(2))));
|
||||
count *= pow;
|
||||
if (count > this.MAX_COUNT) {
|
||||
throw new Error('Max count exceeded. If this test uses a looping function, make sure the iteration loop is working properly.');
|
||||
}
|
||||
}
|
||||
} catch (e) {
|
||||
// Exceptions are caught and displayed in the test UI
|
||||
this.reset();
|
||||
this.error = e;
|
||||
}
|
||||
|
||||
// Figure out what to do next
|
||||
if (this.running) {
|
||||
me.run(count);
|
||||
} else {
|
||||
jsl.status('');
|
||||
me.onStop(me);
|
||||
}
|
||||
|
||||
// Finish up
|
||||
this.onChange(this);
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the number of operations per second for this test.
|
||||
*
|
||||
* @param normalize if true, iteration loop overhead taken into account
|
||||
*/
|
||||
getHz: function(/**Boolean*/ normalize) {
|
||||
var p = this.period;
|
||||
|
||||
// Adjust period based on the calibration test time
|
||||
if (normalize && !this.isCalibration) {
|
||||
var cal = Test.CALIBRATIONS[this.loopArg ? 0 : 1];
|
||||
|
||||
// If the period is within 20% of the calibration time, then zero the
|
||||
// it out
|
||||
p = p < cal.period*1.2 ? 0 : p - cal.period;
|
||||
}
|
||||
|
||||
return Math.round(1/p);
|
||||
},
|
||||
|
||||
/**
|
||||
* Get a friendly string describing the test
|
||||
*/
|
||||
toString: function() {
|
||||
return this.name + ' - ' + this.time/this.count + ' secs';
|
||||
}
|
||||
});
|
||||
|
||||
// CSS we need for the UI
|
||||
var STYLESHEET = '<style> \
|
||||
#jslitmus {font-family:sans-serif; font-size: 12px;} \
|
||||
#jslitmus a {text-decoration: none;} \
|
||||
#jslitmus a:hover {text-decoration: underline;} \
|
||||
#jsl_status { \
|
||||
margin-top: 10px; \
|
||||
font-size: 10px; \
|
||||
color: #888; \
|
||||
} \
|
||||
A IMG {border:none} \
|
||||
#test_results { \
|
||||
margin-top: 10px; \
|
||||
font-size: 12px; \
|
||||
font-family: sans-serif; \
|
||||
border-collapse: collapse; \
|
||||
border-spacing: 0px; \
|
||||
} \
|
||||
#test_results th, #test_results td { \
|
||||
border: solid 1px #ccc; \
|
||||
vertical-align: top; \
|
||||
padding: 3px; \
|
||||
} \
|
||||
#test_results th { \
|
||||
vertical-align: bottom; \
|
||||
background-color: #ccc; \
|
||||
padding: 1px; \
|
||||
font-size: 10px; \
|
||||
} \
|
||||
#test_results #test_platform { \
|
||||
color: #444; \
|
||||
text-align:center; \
|
||||
} \
|
||||
#test_results .test_row { \
|
||||
color: #006; \
|
||||
cursor: pointer; \
|
||||
} \
|
||||
#test_results .test_nonlooping { \
|
||||
border-left-style: dotted; \
|
||||
border-left-width: 2px; \
|
||||
} \
|
||||
#test_results .test_looping { \
|
||||
border-left-style: solid; \
|
||||
border-left-width: 2px; \
|
||||
} \
|
||||
#test_results .test_name {white-space: nowrap;} \
|
||||
#test_results .test_pending { \
|
||||
} \
|
||||
#test_results .test_running { \
|
||||
font-style: italic; \
|
||||
} \
|
||||
#test_results .test_done {} \
|
||||
#test_results .test_done { \
|
||||
text-align: right; \
|
||||
font-family: monospace; \
|
||||
} \
|
||||
#test_results .test_error {color: #600;} \
|
||||
#test_results .test_error .error_head {font-weight:bold;} \
|
||||
#test_results .test_error .error_body {font-size:85%;} \
|
||||
#test_results .test_row:hover td { \
|
||||
background-color: #ffc; \
|
||||
text-decoration: underline; \
|
||||
} \
|
||||
#chart { \
|
||||
margin: 10px 0px; \
|
||||
width: 250px; \
|
||||
} \
|
||||
#chart img { \
|
||||
border: solid 1px #ccc; \
|
||||
margin-bottom: 5px; \
|
||||
} \
|
||||
#chart #tiny_url { \
|
||||
height: 40px; \
|
||||
width: 250px; \
|
||||
} \
|
||||
#jslitmus_credit { \
|
||||
font-size: 10px; \
|
||||
color: #888; \
|
||||
margin-top: 8px; \
|
||||
} \
|
||||
</style>';
|
||||
|
||||
// HTML markup for the UI
|
||||
var MARKUP = '<div id="jslitmus"> \
|
||||
<button onclick="JSLitmus.runAll(event)">Run Tests</button> \
|
||||
<button id="stop_button" disabled="disabled" onclick="JSLitmus.stop()">Stop Tests</button> \
|
||||
<br \> \
|
||||
<br \> \
|
||||
<input type="checkbox" style="vertical-align: middle" id="test_normalize" checked="checked" onchange="JSLitmus.renderAll()""> Normalize results \
|
||||
<table id="test_results"> \
|
||||
<colgroup> \
|
||||
<col /> \
|
||||
<col width="100" /> \
|
||||
</colgroup> \
|
||||
<tr><th id="test_platform" colspan="2">' + platform + '</th></tr> \
|
||||
<tr><th>Test</th><th>Ops/sec</th></tr> \
|
||||
<tr id="test_row_template" class="test_row" style="display:none"> \
|
||||
<td class="test_name"></td> \
|
||||
<td class="test_result">Ready</td> \
|
||||
</tr> \
|
||||
</table> \
|
||||
<div id="jsl_status"></div> \
|
||||
<div id="chart" style="display:none"> \
|
||||
<a id="chart_link" target="_blank"><img id="chart_image"></a> \
|
||||
TinyURL (for chart): \
|
||||
<iframe id="tiny_url" frameBorder="0" scrolling="no" src=""></iframe> \
|
||||
</div> \
|
||||
<a id="jslitmus_credit" title="JSLitmus home page" href="http://code.google.com/p/jslitmus" target="_blank">Powered by JSLitmus</a> \
|
||||
</div>';
|
||||
|
||||
/**
|
||||
* The public API for creating and running tests
|
||||
*/
|
||||
window.JSLitmus = {
|
||||
/** The list of all tests that have been registered with JSLitmus.test */
|
||||
_tests: [],
|
||||
/** The queue of tests that need to be run */
|
||||
_queue: [],
|
||||
|
||||
/**
|
||||
* The parsed query parameters the current page URL. This is provided as a
|
||||
* convenience for test functions - it's not used by JSLitmus proper
|
||||
*/
|
||||
params: {},
|
||||
|
||||
/**
|
||||
* Initialize
|
||||
*/
|
||||
_init: function() {
|
||||
// Parse query params into JSLitmus.params[] hash
|
||||
var match = (location + '').match(/([^?#]*)(#.*)?$/);
|
||||
if (match) {
|
||||
var pairs = match[1].split('&');
|
||||
for (var i = 0; i < pairs.length; i++) {
|
||||
var pair = pairs[i].split('=');
|
||||
if (pair.length > 1) {
|
||||
var key = pair.shift();
|
||||
var value = pair.length > 1 ? pair.join('=') : pair[0];
|
||||
this.params[key] = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Write out the stylesheet. We have to do this here because IE
|
||||
// doesn't honor sheets written after the document has loaded.
|
||||
document.write(STYLESHEET);
|
||||
|
||||
// Setup the rest of the UI once the document is loaded
|
||||
if (window.addEventListener) {
|
||||
window.addEventListener('load', this._setup, false);
|
||||
} else if (document.addEventListener) {
|
||||
document.addEventListener('load', this._setup, false);
|
||||
} else if (window.attachEvent) {
|
||||
window.attachEvent('onload', this._setup);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Set up the UI
|
||||
*/
|
||||
_setup: function() {
|
||||
var el = jsl.$('jslitmus_container');
|
||||
if (!el) document.body.appendChild(el = document.createElement('div'));
|
||||
|
||||
el.innerHTML = MARKUP;
|
||||
|
||||
// Render the UI for all our tests
|
||||
for (var i=0; i < JSLitmus._tests.length; i++)
|
||||
JSLitmus.renderTest(JSLitmus._tests[i]);
|
||||
},
|
||||
|
||||
/**
|
||||
* (Re)render all the test results
|
||||
*/
|
||||
renderAll: function() {
|
||||
for (var i = 0; i < JSLitmus._tests.length; i++)
|
||||
JSLitmus.renderTest(JSLitmus._tests[i]);
|
||||
JSLitmus.renderChart();
|
||||
},
|
||||
|
||||
/**
|
||||
* (Re)render the chart graphics
|
||||
*/
|
||||
renderChart: function() {
|
||||
var url = JSLitmus.chartUrl();
|
||||
jsl.$('chart_link').href = url;
|
||||
jsl.$('chart_image').src = url;
|
||||
jsl.$('chart').style.display = '';
|
||||
|
||||
// Update the tiny URL
|
||||
jsl.$('tiny_url').src = 'http://tinyurl.com/api-create.php?url='+escape(url);
|
||||
},
|
||||
|
||||
/**
|
||||
* (Re)render the results for a specific test
|
||||
*/
|
||||
renderTest: function(test) {
|
||||
// Make a new row if needed
|
||||
if (!test._row) {
|
||||
var trow = jsl.$('test_row_template');
|
||||
if (!trow) return;
|
||||
|
||||
test._row = trow.cloneNode(true);
|
||||
test._row.style.display = '';
|
||||
test._row.id = '';
|
||||
test._row.onclick = function() {JSLitmus._queueTest(test);};
|
||||
test._row.title = 'Run ' + test.name + ' test';
|
||||
trow.parentNode.appendChild(test._row);
|
||||
test._row.cells[0].innerHTML = test.name;
|
||||
}
|
||||
|
||||
var cell = test._row.cells[1];
|
||||
var cns = [test.loopArg ? 'test_looping' : 'test_nonlooping'];
|
||||
|
||||
if (test.error) {
|
||||
cns.push('test_error');
|
||||
cell.innerHTML =
|
||||
'<div class="error_head">' + test.error + '</div>' +
|
||||
'<ul class="error_body"><li>' +
|
||||
jsl.join(test.error, ': ', '</li><li>') +
|
||||
'</li></ul>';
|
||||
} else {
|
||||
if (test.running) {
|
||||
cns.push('test_running');
|
||||
cell.innerHTML = 'running';
|
||||
} else if (jsl.indexOf(JSLitmus._queue, test) >= 0) {
|
||||
cns.push('test_pending');
|
||||
cell.innerHTML = 'pending';
|
||||
} else if (test.count) {
|
||||
cns.push('test_done');
|
||||
var hz = test.getHz(jsl.$('test_normalize').checked);
|
||||
cell.innerHTML = hz != Infinity ? hz : '∞';
|
||||
cell.title = 'Looped ' + test.count + ' times in ' + test.time + ' seconds';
|
||||
} else {
|
||||
cell.innerHTML = 'ready';
|
||||
}
|
||||
}
|
||||
cell.className = cns.join(' ');
|
||||
},
|
||||
|
||||
/**
|
||||
* Create a new test
|
||||
*/
|
||||
test: function(name, f) {
|
||||
// Create the Test object
|
||||
var test = new Test(name, f);
|
||||
JSLitmus._tests.push(test);
|
||||
|
||||
// Re-render if the test state changes
|
||||
test.onChange = JSLitmus.renderTest;
|
||||
|
||||
// Run the next test if this one finished
|
||||
test.onStop = function(test) {
|
||||
if (JSLitmus.onTestFinish) JSLitmus.onTestFinish(test);
|
||||
JSLitmus.currentTest = null;
|
||||
JSLitmus._nextTest();
|
||||
};
|
||||
|
||||
// Render the new test
|
||||
this.renderTest(test);
|
||||
},
|
||||
|
||||
/**
|
||||
* Add all tests to the run queue
|
||||
*/
|
||||
runAll: function(e) {
|
||||
e = e || window.event;
|
||||
var reverse = e && e.shiftKey, len = JSLitmus._tests.length;
|
||||
for (var i = 0; i < len; i++) {
|
||||
JSLitmus._queueTest(JSLitmus._tests[!reverse ? i : (len - i - 1)]);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Remove all tests from the run queue. The current test has to finish on
|
||||
* it's own though
|
||||
*/
|
||||
stop: function() {
|
||||
while (JSLitmus._queue.length) {
|
||||
var test = JSLitmus._queue.shift();
|
||||
JSLitmus.renderTest(test);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Run the next test in the run queue
|
||||
*/
|
||||
_nextTest: function() {
|
||||
if (!JSLitmus.currentTest) {
|
||||
var test = JSLitmus._queue.shift();
|
||||
if (test) {
|
||||
jsl.$('stop_button').disabled = false;
|
||||
JSLitmus.currentTest = test;
|
||||
test.run();
|
||||
JSLitmus.renderTest(test);
|
||||
if (JSLitmus.onTestStart) JSLitmus.onTestStart(test);
|
||||
} else {
|
||||
jsl.$('stop_button').disabled = true;
|
||||
JSLitmus.renderChart();
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Add a test to the run queue
|
||||
*/
|
||||
_queueTest: function(test) {
|
||||
if (jsl.indexOf(JSLitmus._queue, test) >= 0) return;
|
||||
JSLitmus._queue.push(test);
|
||||
JSLitmus.renderTest(test);
|
||||
JSLitmus._nextTest();
|
||||
},
|
||||
|
||||
/**
|
||||
* Generate a Google Chart URL that shows the data for all tests
|
||||
*/
|
||||
chartUrl: function() {
|
||||
var n = JSLitmus._tests.length, markers = [], data = [];
|
||||
var d, min = 0, max = -1e10;
|
||||
var normalize = jsl.$('test_normalize').checked;
|
||||
|
||||
// Gather test data
|
||||
for (var i=0; i < JSLitmus._tests.length; i++) {
|
||||
var test = JSLitmus._tests[i];
|
||||
if (test.count) {
|
||||
var hz = test.getHz(normalize);
|
||||
var v = hz != Infinity ? hz : 0;
|
||||
data.push(v);
|
||||
markers.push('t' + jsl.escape(test.name + '(' + jsl.toLabel(hz)+ ')') + ',000000,0,' +
|
||||
markers.length + ',10');
|
||||
max = Math.max(v, max);
|
||||
}
|
||||
}
|
||||
if (markers.length <= 0) return null;
|
||||
|
||||
// Build chart title
|
||||
var title = document.getElementsByTagName('title');
|
||||
title = (title && title.length) ? title[0].innerHTML : null;
|
||||
var chart_title = [];
|
||||
if (title) chart_title.push(title);
|
||||
chart_title.push('Ops/sec (' + platform + ')');
|
||||
|
||||
// Build labels
|
||||
var labels = [jsl.toLabel(min), jsl.toLabel(max)];
|
||||
|
||||
var w = 250, bw = 15;
|
||||
var bs = 5;
|
||||
var h = markers.length*(bw + bs) + 30 + chart_title.length*20;
|
||||
|
||||
var params = {
|
||||
chtt: escape(chart_title.join('|')),
|
||||
chts: '000000,10',
|
||||
cht: 'bhg', // chart type
|
||||
chd: 't:' + data.join(','), // data set
|
||||
chds: min + ',' + max, // max/min of data
|
||||
chxt: 'x', // label axes
|
||||
chxl: '0:|' + labels.join('|'), // labels
|
||||
chsp: '0,1',
|
||||
chm: markers.join('|'), // test names
|
||||
chbh: [bw, 0, bs].join(','), // bar widths
|
||||
// chf: 'bg,lg,0,eeeeee,0,eeeeee,.5,ffffff,1', // gradient
|
||||
chs: w + 'x' + h
|
||||
};
|
||||
return 'http://chart.apis.google.com/chart?' + jsl.join(params, '=', '&');
|
||||
}
|
||||
};
|
||||
|
||||
JSLitmus._init();
|
||||
})();
|
Loading…
Reference in New Issue