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251 Commits

Author SHA1 Message Date
Brendan Eich
9925442e73 Fix latent bug, exposed by fix for 549617, where JS_EvaluateUCInStackFrame looks like eval and confuses the compiler into writing into the empty script singleton-const (550045, r=mrbkap). 2010-03-03 16:43:17 -08:00
Brendan Eich
aaff05c150 Don't mutate a used name node that has been deoptimized before bailing from BindNameToSlot (543436, r=jorendorff). 2010-02-19 11:21:19 -08:00
Brendan Eich
c4b4c765a4 Fix funarg analysis to cope with escaping kids of a named function expression that use that lambda by name (545980, r=jorendorff). 2010-02-18 16:32:15 -08:00
Jason Orendorff
4fb42b4c2a Bug 546615 - Crash [@ BindNameToSlot] or "Assertion failure: cg->staticLevel >= level, at ../jsemit.cpp". r=brendan. 2010-02-18 16:01:25 -06:00
Brendan Eich
b83b1b23c3 Fix two subtle bugs to-do with partial flat closures (545573, r=jorendorff). 2010-02-11 14:56:59 -08:00
Jason Orendorff
095bd890ef Bug 539829 - Encapsulate JSScope::flags. r=Waldo. 
--HG--
extra : rebase_source : ced4f057e715075d8e4eff343e824d8934152a7e
 2010-02-05 18:11:13 -06:00
Brendan Eich
83e657d499 Fix orange in wake of patch for bug 542002. 2010-02-10 18:58:49 -08:00
Brendan Eich
c9fed979f6 Bug 542002 - Optimize to flat closures even if some upvars can't be copied (r=jorendorff). 2010-02-10 15:17:52 -08:00
Igor Bukanov
836b8a84eb bug 540805 - using reference counting only for empty scopes. r=jorendorff 2010-01-27 09:50:17 +03:00
Brendan Eich
1699be3a87 Bug 541455 - Do not drop "mumble"; would-be directives in the parser, let them be completion values (or useless expressions for the emitter to cull) (r=jimb). 2010-01-22 12:17:13 -08:00
Brendan Eich
7d53217541 Fast followup fix for thinko (536564, r=jorendorff). 2010-01-14 14:22:00 -08:00
Brendan Eich
983aa690e9 Analyze module pattern and private-statics pattern in order to despecialize from methods to slots/sprops (536564, r=jorendorff). 2010-01-14 09:33:14 -08:00
Blake Kaplan
2453f5bb11 Bug 537673 - Don't constant-fold a parenthesized callee expression. r=jorendoff 2010-01-07 15:58:44 -08:00
Brendan Eich
85a5badeef ES5-conformance fix to make a new RegExp for each regexp literal evaluation (98409, r=igor/jwalden). 2010-01-06 15:12:54 -08:00
Jason Orendorff
e5ac8476fd Backed out changeset 3862a7e48e79 due to tinderbox failures on js1_5/GC/regress-324278.js. 2010-01-05 12:48:09 -06:00
Brendan Eich
1b4fbd91e6 ES5-conformance fix to make a new RegExp for each regexp literal evaluation (98409, r=jwalden). 2010-01-04 12:25:44 -08:00
Brendan Eich
f19c7e9d1b Fix js_FindDuplicateFormal to crack the fun->u.i.names union correctly, and spruce it up with C++ (532041, r=jimb). 2009-12-01 14:48:05 -08:00
Robert Sayre
8dac81dafc Merge 2009-12-01 15:51:22 -05:00
Robert Sayre
4ea539c658 Relanding: Bye-bye middle-deletes and their O(n^2) worst case complexity; hello dictionary-mode scopes (473228, r=jorendorff). Backed out changeset ee7bfc1923ad 2009-12-01 15:49:15 -05:00
Robert Sayre
8be5b171b9 Backed out changeset c03ebf340688. Bye-bye middle-deletes and their O(n^2) worst case complexity; hello dictionary-mode scopes (473228, r=jorendorff). 2009-12-01 09:56:16 -05:00
Robert Sayre
5d34830070 Backout bug 473228 and its follow-up, temporarily, to attempt a clean merge of other stuff. 2009-12-01 09:57:20 -05:00
Jim Blandy
35e434274a Bug 499524: Always check for duplicates when destructuring params are present. r=igor 
Detect duplicate names in parameter lists that include destructuring
parameters, regardless of whether the duplication becomes before or
after the destructuring. Let strict mode complaints take care of
themselves after the body has been parsed.

In BindDestructuringArg, there should never be an entry in tc->decls
for the given name if the call to js_LookupLocal didn't detect a
duplicate argument, so we can simply assert that tc->decl.lookup
returns NULL, instead of checking it.

In HashLocalName, we can tighten the assertion: both the new and
existing entries must be JSLOCAL_ARG, since we detect all non-ARG
(i.e., destructuring) duplicates early.
 2009-11-26 10:23:52 -08:00
Brendan Eich
c731045c51 Bye-bye middle-deletes and their O(n^2) worst case complexity; hello dictionary-mode scopes (473228, r=jorendorff). 2009-11-20 16:14:42 -08:00
Jason Orendorff
d3dfa97516 Bug 509354 - Crash [@ DecompileDestructuringLHS] with destructuring and "arguments". r=mrbkap. 2009-11-20 11:33:30 -06:00
Jim Blandy
e412a5c444 Bug 514575: Forbid rebinding 'eval' or 'arguments' in ES5 strict mode code. r=mrbkap 2009-11-19 14:08:02 -08:00
Jim Blandy
740a8791c2 Bug 514562: Forbid assignments to 'eval' and 'arguments' in strict mode code. r=mrbkap 
Drafts of the ES5 spec required a type error to be raised when an
assignment to "arguments" is evaluated in function code. In
ECMA/TC39/2009/050, this condition has been changed to a syntax error
in all code. By the rules of chapter 16, implementations must report
it early.
 2009-11-19 14:08:02 -08:00
Jim Blandy
18f28c0cac Bug 514580: Forbid duplicate formal parameter names in strict mode code. r=mrbkap 
Note: this patch changes the JSOPTION_STRICT warning from a TypeError
into a SyntaxError, if JSOPTION_WERROR is also set.
 2009-11-19 14:08:02 -08:00
Jim Blandy
14f017ccd9 Bug 514572: Forbid deletion of variables, arguments and functions in ES5 strict mode. r=jorendorff 2009-11-19 12:35:55 -08:00
Jim Blandy
4ebb8ece60 Bug 514567: Detect duplicate property names. r=jorendorff 2009-11-19 12:35:55 -08:00
Jim Blandy
dccc422655 Bug 514576: Forbid 'with' statements in strict mode code. r=mrbkap 2009-11-19 09:49:00 -08:00
Jim Blandy
a1ea615b02 Bug 521868: Make code passed to a direct call to eval inherit the caller's strictness. r=jorendorff 2009-11-19 09:48:59 -08:00
Jim Blandy
34a27f0c88 Bug 514585: Recognize "use strict" directives. r=igor 2009-11-18 13:33:53 -08:00
Jim Blandy
ae0ff5874f Bug 514585: Remove macro wrappers for js_NewPrinter and JS_InitArenaPool. r=igor 
These macros were intended to help avoid passing unused parameters
when JS_ARENAMETER is not defined, but they're not worth the trouble.
The unused parameter doesn't elicit warnings, and the performance
impact of passing the unneeded argument is negligible.

This also removes support for JS_ARENA_CONST_ALIGN_MASK, which is not
used.
 2009-11-18 13:33:53 -08:00
Blake Kaplan
f0cd93b989 Bug 461170 - Detect when typeof is applied to an expression before constant folding so we correctly throw unbound name exceptions from the folded expression. r=brendan 2009-11-06 18:27:17 +01:00
Igor Bukanov
0d38a472cc bug 524346 - using jsval, not jsdouble *, for nan and +-oo. r=brendan 2009-10-28 14:57:31 +03:00
Igor Bukanov
8785797ba7 Backed out changeset 14c76164f4c2 - patch for bug 524346 caused test fails 2009-10-27 19:21:47 +03:00
Igor Bukanov
ed4f6edf7f bug 524346 - using jsval, not jsdouble *, for nan and +-oo. r=brendan 2009-10-27 13:26:57 +03:00
Jason Orendorff
e66886b51c Bug 515885 - Assertion failure: !scope->owned(), at ../jsobj.cpp. r=brendan. 2009-10-23 14:35:53 -05:00
Brendan Eich
9f9a05b0c3 Don't build a stack frame to execute empty scripts (516827, r=igor). 2009-10-18 17:41:24 -07:00
Jim Blandy
d87d9403e2 Bug 517990: Remove unused 'TS' parameter from NewNameNode and NewBindingNode. r=mrbkap 2009-10-08 10:29:03 -07:00
Jim Blandy
416f219573 Bug 515233: Move the TSF_DESTRUCTURING flag to the tree context. r=igor 
The flag TSF_DESTRUCTURING is used by the parser to modify the way
variables in the destructuring pattern get represented in the parse
tree.  It is never set or used by the tokenizer.  This patch moves it
to JSTreeContext::flags, where it belongs, now that that field is wide
enough to hold it.

It also renames the flag TCF_DECL_DESTRUCTURING, since the flag is
only used for destructuring patterns that occur in declarations; it is
not set when processing assignment-like destructuring patterns.
 2009-10-08 10:29:03 -07:00
Jim Blandy
f06be32d20 Bug 515233: Widen JSTreeContext::flags to 32 bits. r=igor 
All the bits in this uint16 field are currently in use.  Adding bits
for projects like strict mode entails relocating existing flags, which
is additional work.  Furthermore, it seems that this has already
inspired people to put flags in places they don't belong:
TSF_DESTRUCTURING is a JSTokenStream flag, but is only used by the
parser.

This patch widens the field to 32 bits, and adjusts JSFunctionBox and
a few other places to match.

We should really replace these all with bitfields.
 2009-10-08 10:29:03 -07:00
Jim Blandy
f4a407f114 Bug 515233: Make the static level its own parameter to JSCompiler::compileScript. r=igor 
Pre-patch, the initial static level at which a script should be
compiled to run is passed in the upper sixteen bits of the tcflags
parameter to JSCompiler::compileScript; because JSTreeContext::tcflags
is a uint16, while the tcflags parameter is a uint32, we know the
parameter's upper bits are free.

However, we would like to enlarge JSTreeContext::tcflags to 32 bits,
as we already have a handful of new flags that belong there.  This
patch moves the static level to its own parameter, which has a default
argument.
 2009-10-08 10:29:03 -07:00
Jim Blandy
0d6cdd1921 Bug 514585: Use bitfields in JSScript instead of a flag word. r=brendan 
This is behavior-neutral cleanup in preparation for the real patch.
 2009-10-08 10:29:03 -07:00
Jim Blandy
b101872320 Bug 514567: Fix error processing in PrimaryExpr. r=brendan 
This code seems to assume that one can proceed if pn3 is NULL, but we
never check it again further down.  Instead, we create TOK_COLON nodes
whose left (and perhaps right) children are NULL.  It seems to me that
the TOK_RC case in js_EmitTree will choke on this.
 2009-10-08 10:29:02 -07:00
Brendan Eich
2cf8dc9cf7 Remove now-redundant USE2DEF flags propagation before LinkUseToDef, which does it (510783 followup, r=mrbkap). 2009-09-17 19:44:24 -07:00
Brendan Eich
59ee053a5e Propagate USE2DEF flags in LinkUseToDef, duh (510783, r=mrbkap). 2009-09-17 18:56:23 -07:00
David Anderson
92ad5b2859 Renamed JSOP_LOOP to JSOP_TRACE, which now also gets emitted at the start of scripts (bug 515806, r=brendan). 2009-09-14 17:26:16 -07:00
Brendan Eich
79d774b114 Bug 515815 - TM: Regression on shell test case regress-452498-224.js (r=igor). 2009-09-11 10:47:47 -07:00
Brendan Eich
1cef550e73 Fix obvious thinko that bites Gary's fuzzer (515892, r=igor tomorrow, I trust). 2009-09-11 00:00:52 -07:00
Brendan Eich
016b0f207a Bug 514981 - JSStackFrame::sharp{Array,Depth} should be locals allocated due to #n[#=] usage (r=igor). 2009-09-09 20:21:15 -07:00
Jason Orendorff
e170e4b573 Bug 511728 - Misc. cleanup from bug 503080. r=igor. 
--HG--
extra : rebase_source : f4b7b385bbece2316912ce67c77a49ac8fca6e5c
 2009-09-09 15:53:37 -05:00
Brendan Eich
cce4dce512 Join lambdas assigned or initialized as methods to the compiler-created function object if we can, with a read barrier to clone on method value extractions other than call expressions (471214, r=jorendorff). 2009-09-03 14:41:19 -07:00
Andreas Gal
d4c110a6b1 Avoid bit twiddling on double values (513063, r=brendan). 2009-08-27 13:59:19 -07:00
Jason Orendorff
df3e3a355d Bug 510709 - Assertion failure: PN_TYPE(pn) == TOK_FUNCTION, at ../jsparse.cpp. r=brendan. 2009-08-27 12:28:28 -07:00
Brendan Eich
b063d31520 Back out changeset aff171a8c4f0 (bug 471214). 2009-08-26 09:34:41 -07:00
Brendan Eich
bd8f55c0ad Join function objects where possible (471214, r=igor). 2009-08-25 23:42:37 -07:00
David Anderson
e322e64001 Removed JSStackFrame::xmlNamespace (bug 512389, r=brendan). 2009-08-25 12:07:45 -07:00
Luke Wagner
3cf8a59c01 Bug 503952 - Use JSTempVector in scanner/parser; remove JSStringBuffer (r=brendan) 2009-08-14 16:10:59 -07:00
Jason Orendorff
d25d775501 Bug 510568 - Kill one last #if JS_HAS_LVALUE_RETURN directive. r=Waldo. 2009-08-15 07:21:06 -05:00
Igor Bukanov
7e607aac4d bug 495061 - js_PutArgsObject and js_PutCallObject that never fail. r=brendan 2009-08-14 20:43:16 +02:00
Jason Orendorff
8384b1e239 Bug 509098 - Remove JS_HAS_LVALUE_RETURN support. r=brendan. 2009-08-13 16:18:33 -05:00
Robert Sayre
c8a923e58e Merge mozilla-central to tracemonkey. 2009-08-12 12:18:38 -07:00
Jason Orendorff
335eeb15af Bug 461269 - Remove TOK_RP nodes from the parse tree. r=brendan. 2009-08-10 14:00:46 -05:00
Robert Sayre
99a0962393 Backed out changeset e09130fcb013 2009-07-28 18:51:35 -04:00
Brendan Eich
8d27b07ec5 Bug 471214 - Join function objects transparently, clone via read barrier to satisfy de-facto standard (r=igor). 2009-07-28 13:20:14 -07:00
Andreas Gal
e7f2714ea1 When finalizing, deallocate memory in a separate thread (505612, r=bent,brendan,waldo). 2009-07-27 21:10:12 -07:00
David Mandelin
cfb0d1fd1b Bug 506821: clean up trailing whitespace, r=brendan 2009-07-27 18:40:12 -07:00
Jason Orendorff
a31f80165c Bug 503080 - Remove prototype-scope-sharing. r=brendan. 2009-07-21 16:25:11 -05:00
Brendan Eich
4632276b25 Bug 499790 - common sub-expression elim for repeated (PND_ASSIGNED | PND_FUNARG), r=mrbkap. 2009-07-17 11:36:45 -07:00
Andreas Gal
f8892ed21b Shrink slots during GC only, split ReallocSlots into Alloc/Grow/ShrinkSlots (504478, r=igor). 2009-07-16 18:42:54 -07:00
David Anderson
a46f3aa0f0 Fix -0 modulo -x disagreement on Windows (bug 503595, r=sayrer). 2009-07-11 12:40:37 -07:00
Blake Kaplan
3cd1e79160 Bug 498993 - Don't mistake initialization for assignment when the assignment is hidden by a secon var declaration. r=brendan/jorendorff 2009-06-18 14:52:06 -07:00
Jason Orendorff
52fe5a97ba Bug 497618 - Change JSString macros to methods. r=Waldo. 2009-06-10 20:29:44 -05:00
Jason Orendorff
45de8e01db Bug 498395 - "Assertion failure: !(pn->pn_dflags & flag), at ../jsparse.h". r=mrbkap, r=brendan. 
--HG--
extra : rebase_source : c3d0ecfcbbbce0c7494ffd53dc240c2b69e6eb8f
 2009-06-15 15:42:00 -05:00
Brendan Eich
1bd5c5dc73 Over-parenthesize per house style and to avoid GCC warning (r=nnethercote, private communication). 2009-06-14 19:37:43 -07:00
Brendan Eich
51fe52e6f9 Wrapper automation should not apply to flat closures, plus cleanup (496790, r=igor). 2009-06-09 00:51:02 -07:00
Brendan Eich
a08c609235 Fix destructuring binding to follow the cheezy dominance relation rules of the upvar analysis (496134, r=mrbkap; take 2). 2009-06-08 13:03:50 -07:00
Robert Sayre
f44a576277 Back out bug 496134, destructuring assignment upvar fixes due to reported fuzzer problems 2009-06-06 02:20:06 -04:00
Brendan Eich
05f8dc2692 Fix destructuring binding to follow the cheezy dominance relation rules of the upvar analysis (496134, r=mrbkap). 2009-06-05 16:14:00 -07:00
Brendan Eich
b95d489795 Skip let binding not in scope (in let head, e.g.) and find any shadowed binding (496532, r=mrbkap). 2009-06-05 13:55:51 -07:00
Brendan Eich
77da9d75ed Bug 494235: wrap escaping optimized closures for the debugger API (r=igor/mrbkap). 2009-06-04 18:58:47 -07:00
Brendan Eich
64f0a471ba Make @ns::attr force HEAVYWEIGHT to avoid having to analyze ns as a lexical name (hack for 496316, r=igor). 2009-06-04 10:58:06 -07:00
Blake Kaplan
931a6dcb91 Bug 495843 - Crash [@ js_Interpret] or Assertion failure: cg->stackDepth == stackDepth, at ../jsemit.cpp. r=brendan 2009-06-03 01:17:20 -04:00
Brendan Eich
d3fe4a3144 Bug 495045: test tcflags for new Function's top-level, its body, when vetoing flat closure optimization based on HEAVYWEIGHTness (r=jorendorff). 2009-05-28 17:08:06 -07:00
Jason Orendorff
74a5f6c8f5 Bug 495166 - static-analysis error in jsparse.cpp JSCompiler::compileScript: return without going through label out. r=brendan. 2009-05-28 10:08:57 -05:00
Brendan Eich
f136df48d6 Bug 494954 - JS_GetScriptLineExtent() does not returns the right value (r=mrbkap). 2009-05-27 18:53:22 -07:00
Jason Orendorff
83d855cfa1 Followup to changeset f9ad6d736430 (for bug 493232): fix a stale comment. r=brendan in IRC. 2009-05-27 17:48:39 -05:00
Jason Orendorff
70dbad9c94 Bug 493232 - Wrong variable value accessed in closure. r=brendan. 2009-05-27 15:46:03 -05:00
Brendan Eich
52745d8646 Bug 494544 - Uninitialized variable undefined after assignment whose initializer is a closure capturing that var (r=mrbkap). 2009-05-23 11:01:11 -07:00
Jason Orendorff
bb1a005103 Bug 493260 - js1_5/Regress/regress-344959.js - with and eval do not inhibit the flat closure optimization. r=brendan. 2009-05-21 13:00:53 -05:00
Brendan Eich
5c7f7e02b8 Bug 493760: the real fix for problem left in wake of patch for bug 493466 (r=mrbkap). 2009-05-19 18:40:55 -07:00
Brendan Eich
72c8adabdb Back out patch for 493760, chrome mochitests failed. 2009-05-19 16:34:40 -07:00
Brendan Eich
41f161471d Bug 493760: fix bad typo in patch for bug 493466 (superluminal r=mrbkap). 2009-05-19 12:11:09 -07:00
Brendan Eich
d552a194d4 Bug 493466 - TM: youtube.com customization broken (r=mrbkap). 2009-05-18 18:02:51 -07:00
Brendan Eich
51dd82a552 Bug 489034 - let declaration getting lost in certain situations (r=mrbkap). 2009-05-15 15:32:57 -07:00
Jason Orendorff
cd986613f8 Bug 492714 - "Assertion failure: cg->staticLevel >= level, at ../jsemit.cpp" with genexp. r=brendan 2009-05-13 19:02:33 -05:00
Igor Bukanov
92f94e451c bug 491126 - sharing object map for non-native objects. r=brendan 2009-05-14 12:35:23 +02:00
Brendan Eich
6ffa7ccf08 Bug 492914 - TM: trace aborts due to flat closure analysis bug (r=mrbkap). 2009-05-13 23:01:08 -07:00
Brendan Eich
c244179e84 Bug 492150 - Unexpected error occurred when japascript.options.strict is true (r=mrbkap). 2009-05-10 12:52:03 -07:00