Commit 495a9fc5 authored by Jim Blandy's avatar Jim Blandy
Browse files

Bug 1297466 - Doc fixes and tests for Debugger.Script.prototype.url,... 

Bug 1297466 - Doc fixes and tests for Debugger.Script.prototype.url, Debugger.Source.prototype.url. r=shu

--HG--
extra : rebase_source : 1eed084501992ced4bf038c6efda0b9058214f59
parent 88e5d072

js/src/doc/Debugger/Debugger.Script.md

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@@ -125,8 +125,12 @@ from its prototype: 


`url`

:   **If the instance refers to a `JSScript`**, the filename or URL from which

    this script's code was loaded. If the `source` property is non-`null`,

    then this is equal to `source.url`.

    this script's code was loaded. For scripts created by `eval` or the

    `Function` constructor, this may be a synthesized filename, starting with a

    valid URL and followed by information tracking how the code was introduced

    into the system; the entire string is not a valid URL. For

    `Function.prototype`'s script, this is `null`. If this `Debugger.Script`'s

    `source` property is non-`null`, then this is equal to `source.url`.



    **If the instance refers to WebAssembly code**, throw a `TypeError`.

js/src/doc/Debugger/Debugger.Source.md

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@@ -85,9 +85,13 @@ from its prototype: 
    WebAssembly bytecode.



`url`

:   **If the instance refers to JavaScript source**, the URL from which this

    source was loaded, if this source was loaded from a URL. Otherwise, this

    is `undefined`. Source may be loaded from a URL in the following ways:

:   **If the instance refers to JavaScript source**, the filename or URL from

    which this script's code was loaded. For scripts created by `eval` or the

    `Function` constructor, this may be a synthesized filename, starting with a

    valid URL and followed by information tracking how the code was introduced

    into the system; the entire string is not a valid URL. For

    `Function.prototype`'s script, this is `null`. Source may be loaded from a

    URL in the following ways:



    * The URL may appear as the `src` attribute of a `<script>` element

      in markup text.

js/src/jit-test/tests/debug/Source-url-01.js

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// Source.prototype.url returns a synthesized URL for eval code.



var g = newGlobal();

g.eval('function double() { return 2*x }');



var dbg = new Debugger;

var gw = dbg.addDebuggee(g);



var fw = gw.getOwnPropertyDescriptor('double').value;

assertEq(!!fw.script.source.url.match(/Source-url-01.js line [0-9]+ > eval/), true);

js/src/jit-test/tests/debug/Source-url-02.js

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// Source.prototype.url returns a synthesized URL for Function code.



var g = newGlobal();

g.eval('var double = Function("x", "return 2*x;");');



var dbg = new Debugger;

var gw = dbg.addDebuggee(g);



var fw = gw.getOwnPropertyDescriptor('double').value;

print(fw.script.source.url);

assertEq(!!fw.script.source.url.match(/Source-url-02.js .* > Function/), true);

js/src/jit-test/tests/debug/Source-url-03.js

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// Source.prototype.url is null for Function.prototype.



var g = newGlobal();

var dbg = new Debugger;

var gw = dbg.addDebuggee(g);



var Fpw = gw.getOwnPropertyDescriptor('Function').value.proto;

assertEq(Fpw.script.source.url, null);