js/src/jit-test/lib/bytecode-cache.js@6474c204b198 (annotated)
js/src/jit-test/lib/bytecode-cache.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | |
| michael@0 | 2 | function evalWithCache(code, ctx) { |
| michael@0 | 3 | ctx = ctx || {}; |
| michael@0 | 4 | ctx = Object.create(ctx, { |
| michael@0 | 5 | fileName: { value: "evalWithCacheCode.js" }, |
| michael@0 | 6 | lineNumber: { value: 0 } |
| michael@0 | 7 | }); |
| michael@0 | 8 | code = code instanceof Object ? code : cacheEntry(code); |
| michael@0 | 9 | |
| michael@0 | 10 | // We create a new global ... |
| michael@0 | 11 | if (!("global" in ctx)) |
| michael@0 | 12 | ctx.global = newGlobal(); |
| michael@0 | 13 | |
| michael@0 | 14 | // ... and by default enable compileAndGo. |
| michael@0 | 15 | if (!("compileAndGo" in ctx)) |
| michael@0 | 16 | ctx.compileAndGo = true; |
| michael@0 | 17 | |
| michael@0 | 18 | // Fetch the verification function from the evaluation context. This function |
| michael@0 | 19 | // is used to assert the state of the script/function after each run of the |
| michael@0 | 20 | // evaluate function. |
| michael@0 | 21 | var checkAfter = ctx.checkAfter || function(ctx) {}; |
| michael@0 | 22 | |
| michael@0 | 23 | // The generation counter is used to represent environment variations which |
| michael@0 | 24 | // might cause the program to run differently, and thus to have a different |
| michael@0 | 25 | // set of functions executed. |
| michael@0 | 26 | ctx.global.generation = 0; |
| michael@0 | 27 | var res1 = evaluate(code, Object.create(ctx, {saveBytecode: { value: true } })); |
| michael@0 | 28 | checkAfter(ctx); |
| michael@0 | 29 | |
| michael@0 | 30 | ctx.global.generation = 1; |
| michael@0 | 31 | var res2 = evaluate(code, Object.create(ctx, {loadBytecode: { value: true }, saveBytecode: { value: true } })); |
| michael@0 | 32 | checkAfter(ctx); |
| michael@0 | 33 | |
| michael@0 | 34 | ctx.global.generation = 2; |
| michael@0 | 35 | var res3 = evaluate(code, Object.create(ctx, {loadBytecode: { value: true } })); |
| michael@0 | 36 | checkAfter(ctx); |
| michael@0 | 37 | |
| michael@0 | 38 | ctx.global.generation = 3; |
| michael@0 | 39 | var res0 = evaluate(code, ctx); |
| michael@0 | 40 | checkAfter(ctx); |
| michael@0 | 41 | |
| michael@0 | 42 | if (ctx.assertEqResult) { |
| michael@0 | 43 | assertEq(res0, res1); |
| michael@0 | 44 | assertEq(res0, res2); |
| michael@0 | 45 | assertEq(res0, res3); |
| michael@0 | 46 | } |
| michael@0 | 47 | } |
