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Author SHA1 Message Date
alexlamsl
80f3ad3ce0 Merge branch 'master' into harmony-v2.8.4 2017-03-02 11:16:55 +08:00
Alex Lam S.L
40ceddb48a v2.8.4 v2.8.4 2017-03-02 00:24:49 +08:00
Alex Lam S.L
7aa69117e1 fix corner cases in reduce_vars (#1524) 
Avoid variable substitution in the following cases:
- use of variable before declaration
- declaration within conditional code blocks
- declaration within loop body

fixes #1518
fixes #1525
 2017-03-02 00:20:53 +08:00
Alex Lam S.L
bff7ad67bb v2.8.3 v2.8.3 2017-03-01 15:28:46 +08:00
Alex Lam S.L
c2334baa48 fix crash on missing props to string_template() (#1523) 
Patched up `make_node()` without `orig`.

There may be other cases where `start` could be missing, so make it print "undefined" instead of crashing.

fixes #1518
 2017-03-01 15:25:26 +08:00
Alex Lam S.L
22f7af205d Merge pull request #1521 from alexlamsl/harmony-v2.8.2 
Merging from master for 2.8.2
harmony-v2.8.2 		2017-03-01 11:13:32 +08:00
alexlamsl
8a7a4749c7 Merge branch 'master' into harmony-v2.8.2 2017-03-01 11:06:33 +08:00
Alex Lam S.L
fb2b6c7c6f v2.8.2 v2.8.2 2017-03-01 04:46:12 +08:00
Alex Lam S.L
f5cbe19b75 invert reduce_vars tracking flag (#1519) 
Modules like webpack and grunt-contrib-uglify still uses `ast.transform(compressor)` before `Compressor.compress(ast)` was introduced.

Workaround this compatibility issue by deactivating `reduce_vars` in such case.

Also fix use case with omitted `options` when calling `Compressor()`.

fixes #1516
 2017-03-01 04:12:10 +08:00
Alex Lam S.L
b34fa11a13 fix evaluate on object getter & setter (#1515) 2017-03-01 02:03:47 +08:00
Alex Lam S.L
320984c5f5 v2.8.1 v2.8.1 2017-03-01 00:27:08 +08:00
Alex Lam S.L
4365a51237 temporarily disables reduce_vars (#1517) 
... as we investigate #1516
 2017-03-01 00:25:43 +08:00
Alex Lam S.L
514fc68f4f Merge pull request #1509 from alexlamsl/harmony-2.8.0 
Merging from master for 2.8.0
harmony-v2.8.0 		2017-02-28 23:14:25 +08:00
alexlamsl
478aaab469 fix parser test 
not sure if `start.pos` is correct, but oh well
 2017-02-28 14:08:31 +08:00
alexlamsl
ab217539e9 restore sourceMappingURL in test 2017-02-28 13:23:02 +08:00
alexlamsl
a942dc07c4 fix parser tests 
update exception messages
 2017-02-28 03:58:01 +08:00
kzc
a0eaff750d fix parsing of arrow function with bind 
fixes #1510
 2017-02-28 02:47:33 +08:00
alexlamsl
57777b6cfa Merge branch 'master' into harmony-2.8.0 2017-02-28 02:28:58 +08:00
Alex Lam S.L
858e6c78a4 warn & drop #__PURE__ iff IIFE is dropped (#1511) 
- consolidate `side-effects` optimisations
- improve string `+` optimisation
- enhance literal & `conditionals` optimisations
 2017-02-28 02:25:44 +08:00
kzc
8d205f7f39 fix parser handling of comments 2017-02-27 14:54:47 +08:00
alexlamsl
bc9bfd15a2 fix test 2017-02-27 11:39:48 +08:00
alexlamsl
9fc1c4b3b5 update test 
top-level block-variables not within blocks are global variables
 2017-02-27 06:23:12 +08:00
alexlamsl
c59bf5e8d8 fix SymbolDef.global 
properly compute for top-level block-variables
 2017-02-27 06:20:08 +08:00
alexlamsl
d2d3a6e065 fix double-descend() 
for `AST_Export` in `AST_Toplevel.figure_out_scope()`
 2017-02-27 06:06:09 +08:00
alexlamsl
7755733716 fix "Starting destructuring." 
commit 32f76f7ff does not take into account `AST_SymbolFunarg` is also `AST_SymbolVar`, so don't need to call `AST_Scope.def_variable()` twice
 2017-02-27 05:30:18 +08:00
alexlamsl
b3a987b0df fix up drop_unused() 2017-02-27 05:11:01 +08:00
alexlamsl
88a338f29e Merge branch 'master' into harmony-2.8.0 2017-02-27 04:37:48 +08:00
Alex Lam S.L
0b0296eb2a v2.8.0 v2.8.0 2017-02-27 03:47:54 +08:00
Alex Lam S.L
872270b149 improve error messages (#1506) 
- better inheritance of `Error` sub-classes
- mark parse error against source in CLI

closes #235
closes #348
closes #524
closes #1356
closes #1405
 2017-02-27 03:40:54 +08:00
kzc
b1c593a041 add harmony branch details in README (#1507) 2017-02-27 01:55:24 +08:00
Alex Lam S.L
13be50a4a9 faster tree transversal (#1462) 
- convert `[].forEach()` to for-loops
 2017-02-26 05:58:26 +08:00
Alex Lam S.L
16cd5d57a5 consolidate evaluate & reduce_vars (#1505) 
- improve marking efficiency
- apply smarter `const` replacement to `var`

fixes #1501
 2017-02-26 00:40:33 +08:00
Alex Lam S.L
834f9f3924 update docs for pure_funcs & drop_console (#1503) 
closes #1362
closes #1399
 2017-02-25 04:13:10 +08:00
Alex Lam S.L
cf0951f726 allow --in-source-map inline (#1490) 
- limited to one input file (or `stdin`)
- only works with built-in parser

fixes #520
 2017-02-25 04:11:21 +08:00
Ondřej Španěl
852f78491a Avoid using exports when undefined (#1471) 
Makes direct usage within web browser easier, even if officially unsupported.
 2017-02-24 08:51:24 +08:00
Anthony Van de Gejuchte
07734b000a Destructuring consistency fixes (#1417) 
- Use AST_Destructuring for lhf assignment patterns
- Use AST_DefaultAssign for default assignments
- Add more checks for lhs expressions
- Add lots of testing
- Cleanup ast (e.g. remove default property)
- Fix #1402 based on a patch from @kzc
- Refine spread allowance in array destructring pattern
- Add destructuring AST tree checker
 2017-02-24 08:49:19 +08:00
Anthony Van de Gejuchte
85c1cba760 Remove duplicated code (#1456) 
[ES6] Remove duplicated code
 2017-02-24 08:48:13 +08:00
Alex Lam S.L
229e42cdee Merge pull request #1485 from alexlamsl/merge-2.8.0 
2.8.0 staging
 2017-02-24 07:33:57 +08:00
alexlamsl
4e49302916 enable collapse_vars & reduce_vars by default 
- fix corner cases in `const` optimisation
- deprecate `/*@const*/`

fixes #1497
closes #1498
 2017-02-24 01:46:57 +08:00
kzc
1e51586996 Support marking a call as pure 
A function call or IIFE with an immediately preceding comment
containing `@__PURE__` or `#__PURE__` is deemed to be a
side-effect-free pure function call and can potentially be
dropped.

Depends on `side_effects` option.

`[#@]__PURE__` hint will be removed from comment when pure
call is dropped.

fixes #1261
closes #1448
 2017-02-21 14:24:18 +08:00
Ondřej Španěl
d48a3080ac Fix: AST_Accessor missing start / end tokens 
fixes #1492
closes #1493
 2017-02-21 13:32:16 +08:00
alexlamsl
26fbeece1c fix pure_funcs & improve side_effects 
- only drops side-effect-free arguments
- drop side-effect-free parts with discarded value from `AST_Seq` & `AST_SimpleStatement`

closes #1494
 2017-02-21 13:31:59 +08:00
alexlamsl
8898b8a0fe clean up max_line_len 
- never exceed specified limit
- otherwise warning is shown
- enabled only for final output

closes #1496
 2017-02-21 13:29:58 +08:00
alexlamsl
ec64acd2c8 introduce unsafe_proto 
- `Array.prototype.slice` => `[].slice`

closes #1491
 2017-02-21 13:29:58 +08:00
alexlamsl
ac0b61ed6e remove extraneous spaces between ++/+/--/- 
fixes #1377
closes #1488
 2017-02-21 13:29:58 +08:00
Anthony Van de Gejuchte
c06a50f338 Add .gitattributes to checkout lf eol style 
closes #1487
 2017-02-21 13:29:58 +08:00
alexlamsl
09f9ae2de9 improve --beautify bracketize 
reduce whitespaces from if-else statements

fixes #1482
closes #1483
 2017-02-21 13:29:58 +08:00
alexlamsl
7e6331bb39 add benchmark & JetStream tests 
- `test/benchmark.js` measures performance
- `test/jetstream.js` verifies correctness
- configurable mangle/compress/output options

closes #1479
 2017-02-21 13:29:58 +08:00
alexlamsl
e275148998 enhance global_defs 
- support arrays, objects & AST_Node
- support `"a.b":1` on both cli & API
- emit warning if variable is modified
- override top-level variables

fixes #1416
closes #1198
closes #1469
 2017-02-21 13:29:58 +08:00
alexlamsl
974247c8c0 evaluate AST_SymbolRef as parameter 
fix invalid boolean conversion now exposed in `make_node_from_constant()`

closes #1477
 2017-02-21 13:29:58 +08:00