JoBoEVD/UglifyJS
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62d2817d6cd29189e65aaba531c7c3ceb1792a65
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85 Commits

Author SHA1 Message Date
Alex Lam S.L
62d2817d6c reduce this in block scopes (#2526) 
fixes #2455
 2017-11-28 22:54:21 +08:00
Alex Lam S.L
37cbd7080c replace single-use class definitions (#2524) 
fixes #2416
 2017-11-28 20:57:15 +08:00
Alex Lam S.L
bbf38dc9c0 fix reduce_vars on arrow functions with this (#2504) 
fixes #2496
 2017-11-24 06:21:49 +08:00
alexlamsl
227b58812d Merge branch 'master' into harmony-v3.1.10 2017-11-19 14:34:27 +08:00
Alex Lam S.L
ae28a24c7f fix cross-scope inlining of AST_Functions (#2486) 
fixes #2485
 2017-11-16 10:04:30 +08:00
alexlamsl
a3fbb27194 update tests 2017-11-11 15:57:47 +08:00
alexlamsl
11c0b1e1f9 Merge branch 'master' into harmony-v3.1.9 2017-11-11 15:45:34 +08:00
Alex Lam S.L
cda27b0970 extend reduce_funcs to cover cross-scope substitutions (#2469) 
fixes #2468
 2017-11-11 15:30:17 +08:00
Alex Lam S.L
3c74047368 implement compress option reduce_funcs (#2466) 
- inline single-use function declarations as expressions when permissible
- depend on `reduce_vars`
- enabled by default
- disable for speed critical code

fixes #2464
 2017-11-11 05:59:35 +08:00
Alex Lam S.L
94525d859f fix object literal tracing in reduce_vars (#2461) 2017-11-10 05:47:10 +08:00
Alex Lam S.L
1127a2caf3 fix multiple nested function substitutions (#2458) 
fixes #2449
 2017-11-09 23:30:00 +08:00
Alex Lam S.L
4c0b0177b6 preserve function identity in reduce_vars (#2451) 
fixes #2450
 2017-11-08 03:28:46 +08:00
alexlamsl
e11cec1ab8 Merge branch 'master' into harmony 2017-11-07 04:30:40 +08:00
Alex Lam S.L
bbedbf4ea0 handle circular function reference gracefully (#2446) 
fixes #2442
 2017-11-07 02:37:23 +08:00
Alex Lam S.L
2cfb5aa7da account for eval & with in reduce_vars (#2441) 
fixes #2440
 2017-11-06 16:10:57 +08:00
Alex Lam S.L
6c45101870 consolidate & enhance unused (#2439) 
- defer declaration removal in `collapse_vars`
- account for `AST_SymbolFunarg` in deduplication
- private accounting for `collapse_vars`
- avoid issues with identity reference due to deep cloning

fixes #2437
 2017-11-06 14:25:10 +08:00
alexlamsl
352a7de204 update tests 2017-11-05 16:48:00 +08:00
alexlamsl
df9c8dfd72 Merge branch 'master' into harmony-v3.1.7 2017-11-05 15:47:40 +08:00
Alex Lam S.L
5b4b07e9a7 extend function inlining safety checks (#2430) 2017-11-05 06:18:45 +08:00
Alex Lam S.L
a8aa28a7a6 consolidate single-use function reduction (#2427) 
fixes #2423
 2017-11-05 04:27:01 +08:00
Alex Lam S.L
c8b6f4733d reduce this within functions (#2421) 
- only replace same-scope usages
- augment `test/ufuzz.js` to test for `this`


fixes #2420
 2017-11-04 00:31:37 +08:00
alexlamsl
086cb33163 Merge branch 'master' into harmony-v3.1.6 2017-10-29 13:23:39 +08:00
Alex Lam S.L
8428326ea1 enhance properties (#2412) 
- trim array items only if `side_effects`
- extend to non-identifier properties
 2017-10-29 04:11:26 +08:00
Alex Lam S.L
6371e2ee63 consistently reduce const safe literals (#2411) 
fixes #2406
 2017-10-28 11:36:44 +08:00
Alex Lam S.L
74ae16f9f8 fix unsafe reduce_vars on arrays & objects (#2397) 2017-10-24 22:10:36 +08:00
Alex Lam S.L
86ea38a259 enhance unsafe evaluate of arrays & objects (#2394) 2017-10-24 02:58:30 +08:00
Alex Lam S.L
24aa07855b safer properties transform (#2391) 
`{ a: x, b: y }.a` => `[ x, y ][0]`
- `x` cannot be function containing `this`

`[ x, y, z ][1]` => `(x, z, y)`
- only if `z` is side-effect-free
 2017-10-22 20:10:13 +08:00
Alex Lam S.L
011123223b fix unsafe escape analysis in reduce_vars (#2387) 2017-10-22 03:23:31 +08:00
alexlamsl
9f1c72ae28 update test 
Sub-optimal result due to block scope.
 2017-10-22 00:38:16 +08:00
alexlamsl
c60fa67827 Merge branch 'master' into harmony-v3.1.5 2017-10-22 00:35:00 +08:00
Alex Lam S.L
c927cea632 unsafe fix-ups for #2351 (#2379) 2017-10-21 04:08:26 +08:00
alexlamsl
d8ee2de95c adjust tests for #2351 2017-10-16 13:24:50 +08:00
alexlamsl
58a5608b66 Merge branch 'master' into harmony-v3.1.4 2017-10-16 12:32:50 +08:00
Alex Lam S.L
eba0f93bc0 more tests for #2351 (#2357) 2017-10-12 02:58:25 +08:00
Alex Lam S.L
b810e2f8da perform reduce_vars on safe literals (#2351) 
- constant expression
- single reference
- same scope
- not across loop body
 2017-10-09 12:25:06 +08:00
alexlamsl
744032755d add tests for #2336 & #2337 2017-10-01 13:20:17 +08:00
alexlamsl
4fac8076b8 Merge branch 'master' into harmony-v3.1.3 2017-10-01 12:42:40 +08:00
Alex Lam S.L
dd71639264 enhance reduce_vars for AST_Accessor (#2339) 
fixes #2336
 2017-10-01 03:01:50 +08:00
alexlamsl
a556dd2dcb Merge branch 'master' into harmony-v3.0.24 2017-07-08 13:12:54 +08:00
Alex Lam S.L
1ac25fc032 improve compress granularity through typeofs (#2201) 
fixes #2198
 2017-07-05 19:20:33 +08:00
alexlamsl
11afa816e3 Merge branch 'master' into harmony-v3.0.20 2017-06-25 16:43:44 +08:00
Alex Lam S.L
3d5bc08185 fix reduce_vars on this (#2145) 
fixes #2140
 2017-06-23 04:44:57 +08:00
alexlamsl
8af362ed57 Merge branch 'master' into harmony-v3.0.16 2017-06-14 17:09:30 +08:00
Alex Lam S.L
68138f2281 fix reduce_vars on AST_Arrow (#2091) 
fixes #2090
 2017-06-14 16:40:37 +08:00
Alex Lam S.L
3493a182b2 implement function inlining (#2053) 
- empty body
- single `AST_Return`
- single `AST_SimpleStatement`
- avoid `/*#__PURE__*/`

Miscellaneous
- enhance single-use function substitution

fixes #281
 2017-06-06 05:49:53 +08:00
Alex Lam S.L
540220b91b fix AST_Function scope invariance (#2052) 
improve function name hack in `run_code()`
 2017-06-04 19:27:43 +08:00
alexlamsl
cd6e849555 Revert "remove support for const (#1910)" 
This reverts commit c391576d52.
 2017-05-15 18:38:16 +08:00
Alex Lam S.L
3ca902258c fix bugs with getter/setter (#1926) 
- `reduce_vars`
- `side_effects`
- property access for object
- `AST_SymbolAccessor` as key names

enhance `test/ufuzz.js`
- add object getter & setter
  - property assignment to setter
  - avoid infinite recursion in setter
- fix & adjust assignment operators
  - 50% `=`
  - 25% `+=`
  - 2.5% each for the rest
- avoid "Invalid array length"
- fix `console.log()`
  - bypass getter
  - curb recursive reference
- deprecate `-E`, always report runtime errors
 2017-05-14 02:10:34 +08:00
Alex Lam S.L
c391576d52 remove support for const (#1910) 
As this is not part of ES5.
 2017-05-12 14:57:41 +08:00
Alex Lam S.L
ac73c5d421 avoid arguments and eval in reduce_vars (#1924) 
fixes #1922
 2017-05-12 12:34:55 +08:00