Commit Graph

1374 Commits

Author SHA1 Message Date
Alex Lam S.L
93f3b2b114
escape consecutive unpaired surrogates (#2576)
fixes #2569
2017-12-11 01:15:44 +08:00
Alex Lam S.L
0e16d92786
handle exceptional flow correctly in collapse_vars (#2574)
fixes #2571
2017-12-11 00:16:02 +08:00
alexlamsl
f2b179ae94 fix escape analysis for AST_Expansion 2017-12-10 23:05:22 +08:00
alexlamsl
c7e8fc4830 fix escape analysis for `AST_Await
fixes #2566
2017-12-10 23:03:29 +08:00
alexlamsl
f778a0aa01 fix escape analysis for AST_Yield
fixes #2565
2017-12-10 23:02:20 +08:00
alexlamsl
21c986ff5b Merge branch 'master' into harmony-v3.2.2 2017-12-10 14:12:24 +08:00
Alex Lam S.L
0aff037a35
improve unused on assign-only symbols (#2568) 2017-12-09 06:19:29 +08:00
Alex Lam S.L
74a2f53683
fix escape analysis for AST_Throw (#2564) 2017-12-08 02:54:37 +08:00
Alex Lam S.L
e20935c3f2
fix escape analysis for AST_Conditional & AST_Sequence (#2563)
fixes #2560
2017-12-08 01:50:38 +08:00
Alex Lam S.L
3e34f62a1c
account for side-effects in conditional call inversion (#2562)
fixes #2560
2017-12-08 01:15:31 +08:00
Alex Lam S.L
d21cb84696
eliminate noop calls more aggressively (#2559) 2017-12-07 01:22:08 +08:00
Alex Lam S.L
3dd495ecdd
improve if_return (#2558)
`return void x()` => `x()`
2017-12-07 01:01:52 +08:00
Alex Lam S.L
87bae623e9
simplify computed properties for methods, getters & setters (#2555)
fixes #2554
2017-12-04 00:18:48 +08:00
alexlamsl
c9dbe9deb1 Merge branch 'master' into harmony-v3.2.1 2017-12-03 11:59:41 +08:00
Alex Lam S.L
77332a0315
fix dead_code on for (#2552) 2017-12-02 15:46:05 +08:00
Alex Lam S.L
8da3754e51
improve evaluate on typeof (#2550)
- gated through `typeofs`
2017-12-02 02:18:33 +08:00
Alex Lam S.L
9a6b11f8e6
improve boolean compression (#2548)
fixes #2535
2017-12-01 22:41:35 +08:00
Alex Lam S.L
7ac6fdcc99
improve switch case compression (#2547) 2017-12-01 14:32:00 +08:00
Alex Lam S.L
f6610baaa8
improve AST_For.init & AST_Switch.expression compression (#2546) 2017-12-01 12:53:59 +08:00
Alex Lam S.L
09b320e8a5
convert to number under boolean context (#2545) 2017-12-01 12:52:36 +08:00
Alex Lam S.L
5a1e99d713
improve compression of if conditions (#2544) 2017-12-01 06:18:31 +08:00
Alex Lam S.L
b762f2d6f4
improve compression of loop conditions (#2543) 2017-12-01 05:52:33 +08:00
Alex Lam S.L
172079a47f
improve code reuse (#2542) 2017-12-01 03:40:46 +08:00
Alex Lam S.L
c58d3936a3
fix corner case in call binding (#2541) 2017-12-01 03:18:20 +08:00
Alex Lam S.L
bc5047c1e7
fix inline on nested substitutions (#2533)
fixes #2531
2017-11-29 13:31:41 +08:00
Alex Lam S.L
736c366d93
introduce --safari10 (#2530) 2017-11-29 03:34:47 +08:00
Alex Lam S.L
aacf760fb4
add Safari workaround for await (#2528)
fixes #2344
2017-11-29 00:20:36 +08:00
Alex Lam S.L
755e2a62c6
extend hoist_props to AST_Arrow & AST_Class (#2527)
fixes #2503
2017-11-28 22:54:44 +08:00
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
206a54a746
fix nested hoist_props substitution (#2523)
fixes #2519
2017-11-28 14:39:00 +08:00
Alex Lam S.L
32def5ebf5
improve synergy between collapse_vars & unused (#2521) 2017-11-28 14:02:39 +08:00
Alex Lam S.L
ecc9f6b770
drop assignment in AST_VarDef.value (#2522)
fixes #2516
2017-11-28 13:08:40 +08:00
alexlamsl
4f08c2f504 Merge branch 'master' into harmony-v3.2.0 2017-11-26 04:23:57 +08:00
Alex Lam S.L
c141ae6f8d
fix argument/atom collision by properties (#2514)
fixes #2513
2017-11-25 22:52:46 +08:00
Alex Lam S.L
f1e3ef5262
separate keep_classnames & keep_fnames (#2510)
fixes #2418
2017-11-25 16:31:52 +08:00
Alex Lam S.L
3b28b915eb
extend escape analysis on constant expression properties (#2509)
fixes #2508
2017-11-24 14:07:39 +08:00
Alex Lam S.L
eb001dc1d9
fix argument/atom collision by collapse_vars (#2507)
fixes #2506
2017-11-24 07:26:22 +08:00
Alex Lam S.L
aa9bdf416e
make AST_Lambda.contains_this() less magical (#2505) 2017-11-24 07:03:37 +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
Alex Lam S.L
8987780db6
eliminate invalid state caching in collapse_vars (#2502)
fixes #2497
2017-11-24 04:12:37 +08:00
Alex Lam S.L
30cfea2e7a
fix rename (#2501)
- suppress spurious `rename` from `commander`
- handle `AST_SymbolCatch` correctly
2017-11-24 03:05:43 +08:00
kzc
3d8341a7ab fix properties for array literal with spread (#2499)
fixes #2498
2017-11-24 02:04:26 +08:00
Alex Lam S.L
f4e2fb9864
expand symbol space to improve compression (#2460)
- give globally distinct names to distinct variables
- improve ability to compress cross-scoped
- introduce `options.rename` to `minify()`
- default `true` if both `compress` & `mangle`
2017-11-19 19:29:51 +08:00
Alex Lam S.L
b80062c490
enable hoist_props by default (#2492) 2017-11-19 14:56:23 +08:00
alexlamsl
227b58812d Merge branch 'master' into harmony-v3.1.10 2017-11-19 14:34:27 +08:00
kzc
f25bd13be6 fix keyword shorthand property output for ecma >= 6 (#2493)
fixes #2491
2017-11-19 13:53:42 +08:00
kzc
e826973b76 fix template expression parse of regex and sequence (#2488)
fixes #2487
2017-11-17 01:34:57 +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
Alex Lam S.L
ebe761cad0
minor consolidations (#2484)
- unique symbol generation
- `unsafe` on `AST_Call`
2017-11-16 04:37:37 +08:00
Alex Lam S.L
49fbe9c5ac
fix replacement logic in collapse_vars (#2475) 2017-11-13 07:37:42 +08:00
Alex Lam S.L
2ac5086831
fix top_retain on hoist_props (#2474)
fixes #2473
2017-11-13 00:59:41 +08:00
Alex Lam S.L
c6cfa04d10
allow symbol replacement on multiple occurrences (#2472)
- all-or-nothing replacement
- avoid unmangleable names

fixes #2436
2017-11-12 22:31:47 +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
650d5d5c9b
suppress hoist_props on export (#2463)
Miscellaneous
- fix double semi-colons from `beautify` in `export`

fixes #2462
2017-11-10 17:38:31 +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
246d9d4e83
remove hack in collapse_vars (#2457)
fixes #2456
2017-11-09 20:00:58 +08:00
Alex Lam S.L
4c0b0177b6
preserve function identity in reduce_vars (#2451)
fixes #2450
2017-11-08 03:28:46 +08:00
Alex Lam S.L
dd0a36119b
fix const under collapse_vars without unused (#2454)
fixes #2453
2017-11-08 02:10:46 +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
Alex Lam S.L
2c2fd89e34
inline single-use functions that are not constant expressions (#2434)
fixes #2428
2017-11-05 22:14:11 +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
fe5a68f9d5
maintain call argument order in collapse_vars (#2426)
fixes #2425
2017-11-05 00:00:18 +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
kzc
29bbc41dfe hoist_props: implement limited hoisting of class expressions (#2415) 2017-10-30 23:20:54 +08:00
Alex Lam S.L
a48f87abf2
compress new function containing this (#2417) 2017-10-30 23:19:27 +08:00
alexlamsl
0a9cdb6c73 handle computed properties correctly 2017-10-29 17:46:25 +08:00
alexlamsl
3ae34177a6 merge #2391 & #2393 2017-10-29 17:14:52 +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
6ab73c7bd5
fix & improve AST_TemplateString (#2410)
- resolve `semicolons:false` ambiguity with tagged literals
- allow `side_effects` to work on template literals
- traverse `AST_TemplateString` properly

fixes #2401
2017-10-28 11:36:09 +08:00
Alex Lam S.L
31f8209193 remove dead code (#2405) 2017-10-27 14:28:09 +08:00
Alex Lam S.L
9b0f86f5a1 fix reduce_vars on AST_Array.length (#2404) 2017-10-27 02:33:37 +08:00
Alex Lam S.L
ee082ace1b compress self comparisons (#2398) 2017-10-26 01:16:12 +08:00
Alex Lam S.L
4178289c38 implement hoist_props (#2396)
fixes #2377
2017-10-25 03:38:11 +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
8a713e449f deduplicate declarations regardless of toplevel (#2393) 2017-10-23 01:00:50 +08:00
Alex Lam S.L
7d9a8596a9 fix dead_code on AST_Destructuring (#2392)
fixes #2383
2017-10-23 00:34:34 +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
5fd723f143 fix unsafe expansion of object literals (#2390) 2017-10-22 15:00:36 +08:00
Alex Lam S.L
516eaef50c fix unsafe evaluation of AST_Sub (#2389) 2017-10-22 13:14:15 +08:00
Alex Lam S.L
4ae1fb3ed8 fix unsafe evaluation of objects (#2388) 2017-10-22 04:19:40 +08:00
Alex Lam S.L
011123223b fix unsafe escape analysis in reduce_vars (#2387) 2017-10-22 03:23:31 +08:00
alexlamsl
c60fa67827 Merge branch 'master' into harmony-v3.1.5 2017-10-22 00:35:00 +08:00
Thomas Sauer
f9c57dfee0 Allow 'yield' as method name (#2382)
fixes #2381
2017-10-21 14:22:39 +08:00
Alex Lam S.L
c927cea632 unsafe fix-ups for #2351 (#2379) 2017-10-21 04:08:26 +08:00
Alex Lam S.L
0f2ef3367c enhance collapse_vars around lazy operations (#2369) 2017-10-19 04:52:00 +08:00
Alex Lam S.L
7e5b5cac97 fix AST_PropAccess in collapse_vars (take 3) (#2375)
Suppress scanning beyond assignment to `a.b`
2017-10-18 02:54:51 +08:00
Alex Lam S.L
c1346e06b7 clean up lazy operator detection (#2373) 2017-10-17 23:25:45 +08:00
Alex Lam S.L
0d2fe8e3ef fix AST_PropAccess in collapse_vars (take 2) (#2372)
fixes #2364
2017-10-17 22:59:15 +08:00
Alex Lam S.L
f2b9c11e2a fix AST_PropAccess in collapse_vars (#2370)
fixes #2364
2017-10-17 18:33:03 +08:00
Alex Lam S.L
b6a7ca292e deduplicate AST_Super & AST_This logic (#2366) 2017-10-17 04:19:53 +08:00
Alex Lam S.L
fe647b083e account for side-effects from AST_This in collapse_vars (#2365) 2017-10-17 01:18:55 +08:00
alexlamsl
58a5608b66 Merge branch 'master' into harmony-v3.1.4 2017-10-16 12:32:50 +08:00
kzc
f496ac5c85 implement compress option computed_props (#2361)
transforms `{["computed"]: 1}` into `{computed: 1}`
2017-10-16 11:35:04 +08:00
kzc
f79f737fb2 fix mangle of destructuring parameters with computed properties (#2359)
fixes #2349
2017-10-15 20:59:52 +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
Alex Lam S.L
1abe14296e collapse a.b whenever safe (#2350) 2017-10-08 13:17:48 +08:00
kzc
336b1add4f fix unsafe join() on array literal with spread (#2347)
fixes #2345
2017-10-06 00:57:00 +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
Alex Lam S.L
2dcc552ce0 trap invalid use of reserved words (#2338)
fixes #2337
2017-10-01 02:10:41 +08:00
kzc
a020d2ead3 support dynamic import(), trap invalid use of export (#2335) 2017-09-28 18:43:09 +08:00
alexlamsl
bd84007cf4 Merge branch 'master' into harmony-v3.1.2 2017-09-24 02:20:47 +08:00
GUENEGO Jean-Louis
1241600013 mangle: do not mangle reserved class (#2317)
fixes #2316
2017-09-24 00:08:47 +08:00
kzc
7e3e9da860 fix "use asm" numeric output (#2328)
fixes #2324
2017-09-21 04:42:40 +08:00
kzc
a784717fe2 allow RegExp for unsafe_methods compress option (#2327) 2017-09-21 00:48:16 +08:00
Alex Lam S.L
00f509405b suppress collapse_vars of this into "use strict" (#2326)
fixes #2319
2017-09-20 05:23:20 +08:00
kzc
e8235657e4 add new compress option unsafe_methods for ecma >= 6 (#2325)
fixes #2321
2017-09-20 00:15:54 +08:00
alexlamsl
3b0b4d6abf handle AST_Super in collapse_vars & side_effects 2017-09-17 05:09:36 +08:00
alexlamsl
d73500e8d1 Merge branch 'master' into harmony-v3.1.1 2017-09-17 04:43:43 +08:00
Alex Lam S.L
4f0953f7e9 handle LHS side-effects on cascade & collapse_vars (#2314)
fixes #2313
2017-09-16 11:45:19 +08:00
Alex Lam S.L
182a47bfb1 improve source mapping (#2312)
fixes #2310
2017-09-15 12:46:48 +08:00
alexlamsl
8891495789 Merge branch 'master' into harmony-v3.1.0 2017-09-10 15:39:33 +08:00
Mateusz Burzyński
8158b1bdcf Testing all leading comments against being PURE comments (#2305) 2017-09-10 02:08:15 +08:00
Alex Lam S.L
aacf3edc68 extend unsafe on pure global functions (#2303) 2017-09-07 22:08:34 +08:00
kzc
8b89072190 add Date and other known globals to unsafe compress option (#2302) 2017-09-07 02:44:26 +08:00
Alex Lam S.L
395a17ccda fix collapse_vars on default function argument (#2299)
Avoid collision with local variable `undefined` under certain corner cases.

fixes #2298
2017-09-04 02:32:33 +08:00
Alex Lam S.L
3f355866cf correctly count declarations after hoist_vars (#2297)
fixes #2295
2017-09-03 17:23:31 +08:00
kzc
2779a29a86 avoid generating ternary with spread (#2293)
fixes #2292
2017-08-31 00:57:07 +08:00
Alex Lam S.L
e5cf7972ea fix unused patching of AST_For.init blocks (#2289)
fixes #2288
2017-08-29 01:10:04 +08:00
alexlamsl
e0e009ace2 Merge branch 'master' into harmony-v3.0.28 2017-08-20 00:35:46 +08:00
kzc
ae0f117da6 Introduce new compress option unsafe_arrows (#2278)
* Not always safe to convert a function expression to an arrow
  function when code depends on the function prototype existing.

Fixes #2271
2017-08-16 22:51:26 +08:00
Alex Lam S.L
a5461e0adc prohibit let/const redeclaration (#2277)
fixes #2270
2017-08-14 12:31:12 +08:00
Erik Desjardins
16d40915b4 don't escape null characters as \0 when followed by any digit (#2273)
fixes #2272
2017-08-14 12:30:08 +08:00
Alex Lam S.L
2bf8216e50 fix pure_getters on spread of objects (#2275) 2017-08-13 22:08:33 +08:00
kzc
2ed3f8db44 fix output of spread of a sequence (#2268)
fixes #2267
2017-08-03 00:40:19 +08:00
kzc
4700c14855 implement object rest/spread (#2265)
- improve parse errors for destructuring spread elements
- `unsafe` for object literals with rest elements

Miscellaneous
- increase mocha unicode surrogate test timeout
2017-08-02 13:47:58 +08:00
Alex Lam S.L
e7c21e87e3 fix ie8 mangling of top-level AST_SymbolCatch (#2263)
fixes #2254
2017-08-01 02:38:32 +08:00
alexlamsl
69cb459c16 fix-ups for #2258 2017-07-30 04:26:21 +08:00
alexlamsl
1eae8f2dcc Merge branch 'master' into harmony 2017-07-30 01:57:34 +08:00
Alex Lam S.L
a845897758 improve mangle.properties (#2261)
- include dead code when `keep_quoted`
- unify `keep_quoted` & `reserved`
- make `test/run-tests.js` consistent with `minify()`

fixes #2256
2017-07-29 23:02:04 +08:00
kzc
d600c78d7b have keep_quoted respect quoted method names (#2258)
fixes #2257
2017-07-28 19:42:12 +08:00
Alex Lam S.L
d3df2f985d extend collapse_vars to let and const (#2252)
fixes #2250
2017-07-25 22:07:21 +08:00
alexlamsl
98b850580b fix for #2242 on harmony 2017-07-23 16:20:53 +08:00
alexlamsl
29011ea60a remove ascii_identifiers 2017-07-23 12:54:50 +08:00
alexlamsl
77d18be073 Merge branch 'master' into harmony-v3.0.26 2017-07-23 12:53:13 +08:00
Alex Lam S.L
6a5e74b44e unescape surrogate pairs only (#2246)
fixes #2242
2017-07-23 12:38:21 +08:00
alexlamsl
3a2b737c42 Merge branch 'master' into harmony-v3.0.25 2017-07-16 11:15:07 +08:00
Alex Lam S.L
b35dfc2599 reject malformed CLI parameters (#2239)
fixes #2237
2017-07-15 23:50:27 +08:00
Alex Lam S.L
9e1da9235e ensure ie8 works with mangled properties (#2238)
fixes #2234
2017-07-15 22:50:59 +08:00
Alex Lam S.L
a5ffe2c23f drop unused builtin globals under unsafe (#2236)
fixes #2233
2017-07-15 15:16:11 +08:00
Alex Lam S.L
9282e7b0c6 fix unsafe evaluate of Object static methods (#2232)
fixes #2231
2017-07-14 19:52:01 +08:00
Alex Lam S.L
5229cb2b1b drop unused compound assignments (#2230)
fixes #2226
2017-07-14 00:39:34 +08:00
Alex Lam S.L
458e3e15f0 enhance passes (#2229)
- remove hardcoded upper limit
- continue based on node count reduction
- emit verbose statistics

fixes #2226
2017-07-13 02:18:59 +08:00
Alex Lam S.L
10a938cb79 enhance source mapping on IIFEs (#2224)
fixes #2213
2017-07-11 02:34:28 +08:00
alexlamsl
ef63de6968 handle AST_Arrow IIFEs in collapse_vars 2017-07-08 14:27:06 +08:00
alexlamsl
2539fb8096 inline property access of AST_ConciseMethod 2017-07-08 14:25:58 +08:00
alexlamsl
a556dd2dcb Merge branch 'master' into harmony-v3.0.24 2017-07-08 13:12:54 +08:00
Alex Lam S.L
71ee91e716 handle duplicate argument names in collapse_vars (#2215) 2017-07-08 04:42:35 +08:00
Alex Lam S.L
4f70d2e28c inlining of static methods & constants (#2211)
- guard by `unsafe`
- support `Array`, `Math`, `Number`, `Object` & `String`

fixes #2207
2017-07-07 05:35:32 +08:00
Alex Lam S.L
4b6ca5e742 inline property access of object literal (#2209)
- only if property value is side-effect-free
- guard by `unsafe`

fixes #2208
2017-07-06 21:51:58 +08:00
Alex Lam S.L
f5c46db738 improve AST_ConciseMethod compression (#2202)
p(){return x;} ---> p:()=>x

Optimization subject to the `compress` option `arrows`.
2017-07-06 01:21:04 +08:00
Alex Lam S.L
9306da3c58 suppress collapse_vars of this as call argument (#2204)
fixes #2203
2017-07-06 01:03:52 +08:00
Alex Lam S.L
1ac25fc032 improve compress granularity through typeofs (#2201)
fixes #2198
2017-07-05 19:20:33 +08:00
kzc
fdbb1d09ef Convert p: function(){} to p(){} in object literals (#2199)
when `compress` option `ecma` is 6 or greater.
2017-07-04 14:35:58 +08:00
Alex Lam S.L
5f046c724b minor clean-ups to evaluate (#2197) 2017-07-03 18:52:39 +08:00
Alex Lam S.L
af0262b7e5 improve parenthesis emission (#2196)
- eliminate `throw` usages
- suppress extraneous parenthesis
  - `new function() {foo.bar()}.baz`
  - `for (function() { "foo" in bar; };;);`
2017-07-03 04:17:37 +08:00
Alex Lam S.L
6b3aeff1d8 clean up TreeWalker.pop() (#2195)
Remove superfluous parameter.
2017-07-03 03:23:38 +08:00
Alex Lam S.L
20e4f8277f refactor throw usage within compress (#2193)
Eliminate exceptional constructs from normal control flow.
2017-07-03 02:10:56 +08:00
alexlamsl
5ea1da2d42 handle AST_Expansion in collapse_vars & inline 2017-07-02 18:15:16 +08:00
alexlamsl
e77b6d525c Merge branch 'master' into harmony-v3.0.23 2017-07-02 17:47:21 +08:00
Alex Lam S.L
8b69a3d18e drop argument value after collapse_vars (#2190) 2017-07-02 04:28:11 +08:00
Alex Lam S.L
d40950b741 improve inline efficiency (#2188)
... by teaching `collapse_vars` some new tricks.

fixes #2187
2017-07-02 01:05:14 +08:00
alexlamsl
ed3032e52a Merge branch 'master' into harmony-v3.0.22 2017-06-30 11:24:07 +08:00
Alex Lam S.L
52cc21d999 remove extraneous ! before AST_Arrow (#2185) 2017-06-30 11:17:58 +08:00
kzc
a938fe5e1f async arrow function IIFE fix (#2184)
fixes #2183
2017-06-30 10:12:42 +08:00
kzc
07a5a57336 fix await parens for property access and calls (#2181)
fixes #2179
2017-06-30 09:14:24 +08:00
Alex Lam S.L
bdeadffbf5 improve usability of name cache under minify() (#2176)
fixes #2174
2017-06-29 12:48:34 +08:00
alexlamsl
087bce508a Merge branch 'master' into harmony-v3.0.21 2017-06-29 00:58:28 +08:00
Alex Lam S.L
d052394621 fix line terminators in template literals (#2173)
fixes #2172
2017-06-28 22:52:29 +08:00
Alex Lam S.L
4d5aeeddfb compress AST_Arrow properly (#2170) 2017-06-28 01:06:30 +08:00
Alex Lam S.L
f0a99125ee improve unsafe_Func (#2171)
- minimise disturbance to `compute_char_frequency()`
- remove extraneous quotation marks
2017-06-27 23:53:42 +08:00
Alex Lam S.L
1e4de2e6d3 parse @global_defs as expressions (#2169)
- let parser rejects non-conformant input
- eliminate need for extraneous parenthesis
2017-06-27 10:31:19 +08:00
Alex Lam S.L
ad139aa34d fix side_effects on AST_Expansion (#2165)
fixes #2163
2017-06-27 01:13:00 +08:00
alexlamsl
11afa816e3 Merge branch 'master' into harmony-v3.0.20 2017-06-25 16:43:44 +08:00
Alex Lam S.L
9db4c42380 fix cascade & collapse on property access of constants (#2158) 2017-06-24 21:30:06 +08:00
Alex Lam S.L
49f3de8397 toplevel shorthand for ecma (#2157) 2017-06-24 19:06:58 +08:00
Alex Lam S.L
94f93ad82d support trailing commas in function parameter lists and calls (#2156)
fixes #2155
2017-06-24 17:34:14 +08:00
Alex Lam S.L
d1f085bce7 add new arrows compress option (#2154)
Convert ES5 style anonymous function expressions
to arrow functions if permissible by language semantics.

Note: `arrows` requires that the `ecma` compress option
is set to `6` or greater.

fixes #2150
2017-06-24 14:45:24 +08:00
Alex Lam S.L
7b95b63ca1 [ES6] support async arrow functions (#2153)
fixes #2102
2017-06-24 05:26:35 +08:00
Alex Lam S.L
94e5e00c03 refactor compute_char_frequency() (#2152)
- minimise maintenance when updating AST
- maximise code sharing between `master` & `harmony`
2017-06-23 20:05:31 +08:00
Alex Lam S.L
dc6bcaa18e synchronise mangle.properties for minify() & test/compress (#2151) 2017-06-23 15:53:13 +08:00
Alex Lam S.L
d58b184835 refactor Compressor.toplevel (#2149) 2017-06-23 13:11:40 +08:00
Alex Lam S.L
137e4c4753 fix unused on AST_Destructuring (#2146) 2017-06-23 13:11:26 +08:00
Alex Lam S.L
b3a57ff019 minimise reduce_vars cloning overhead (#2148) 2017-06-23 06:59:53 +08:00
Alex Lam S.L
3d5bc08185 fix reduce_vars on this (#2145)
fixes #2140
2017-06-23 04:44:57 +08:00
Alex Lam S.L
0692435f01 fix for-in loop parsing (#2144) 2017-06-23 04:14:30 +08:00
Alex Lam S.L
b163b13a0b fix export of keyword and redirection (#2143)
fixes #2141
fixes #2142
2017-06-23 03:49:30 +08:00
alexlamsl
f5931866e0 Merge branch 'master' into harmony-v3.0.19 2017-06-22 03:26:49 +08:00