Commit Graph

834 Commits

Author SHA1 Message Date
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
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
7e3e9da860 fix "use asm" numeric output (#2328)
fixes #2324
2017-09-21 04:42:40 +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
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
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
Alex Lam S.L
e5cf7972ea fix unused patching of AST_For.init blocks (#2289)
fixes #2288
2017-08-29 01:10:04 +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
e7c21e87e3 fix ie8 mangling of top-level AST_SymbolCatch (#2263)
fixes #2254
2017-08-01 02:38:32 +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
Alex Lam S.L
6a5e74b44e unescape surrogate pairs only (#2246)
fixes #2242
2017-07-23 12:38:21 +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
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
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
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
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
Alex Lam S.L
bdeadffbf5 improve usability of name cache under minify() (#2176)
fixes #2174
2017-06-29 12:48:34 +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
9db4c42380 fix cascade & collapse on property access of constants (#2158) 2017-06-24 21:30:06 +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
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
343ea326c2 ensure mangling works if catch reuses a scope variable (#2123)
fixes #2120
2017-06-20 02:14:05 +08:00
Alex Lam S.L
0a0f4f5591 make defensive copies when inline (#2116)
fixes #2114
2017-06-17 14:32:37 +08:00
Alex Lam S.L
931daa85bf fix loss of context in collapse_vars & cascade (#2112)
fixes #2110
2017-06-16 21:18:43 +08:00
Alex Lam S.L
00e4f7b3c1 in-place tigten_body() (#2111)
By reducing copies of `AST_Node` arrays, we should be able to reduce:
- memory pressure
- potential bugs caused by multiple references in AST
- duplicated executions of `OPT()`
2017-06-16 19:19:54 +08:00