63 commits

Author	SHA1	Message	Date
Vern Paxson	86709c5992	activate &is_used	2021-02-23 08:32:14 -08:00
Vern Paxson	f82d443225	Merge branch 'topic/vern/use-defs' of github.com:zeek/zeek into topic/vern/use-defs	2021-02-10 19:09:28 -08:00
Vern Paxson	dc80d2f36f	removed unnecessary statement flagged by Coverity (thanks, Jon!)	2021-02-10 19:08:52 -08:00
Jon Siwek	b450b90a3e	Adjust reference/move nitpicks in use-def/reduce code ... Use std::move() and avoid superfluous copies by assigning to const-reference in a few places.	2021-02-08 17:53:21 -08:00
Jon Siwek	8d452f58fc	Adjust some whitespace in UseDefs.cc	2021-02-08 17:48:53 -08:00
Vern Paxson	94b85e3527	driver glue for invoking use-def construction	2021-02-06 10:58:56 -08:00
Vern Paxson	372fb8b197	classes for managing and propagating use-defs	2021-02-06 10:57:56 -08:00
Vern Paxson	2114c4a26b	enhancements/changes to the Reduce class in preparation for use-defs	2021-02-06 09:52:35 -08:00
Vern Paxson	a067f4c5b0	some tidying with smart pointers	2021-02-06 09:49:37 -08:00
Vern Paxson	12c9b5ede5	flag/environment variable for dumping use-defs	2021-02-05 22:26:24 -08:00
Vern Paxson	772834e375	whitespace micro-preening	2021-02-05 21:03:10 -08:00
Jon Siwek	d7dfb16909	Speedup ReachingDefs logic by ~15% ... Mainly from the potential of ReachingDefs::AddRD() performing a redundant map lookup that it had just done.	2021-02-04 17:23:14 -08:00
Jon Siwek	2c04054975	Simplify ReachingDefs::RDMap() accessor	2021-02-04 15:37:05 -08:00
Vern Paxson	c991c54690	&is_set => &is_assigned	2021-02-04 12:18:46 -08:00
Vern Paxson	d71675a7dc	remove pending maybe-reconsider-this comment	2021-02-04 11:51:57 -08:00
Vern Paxson	e336a30963	fixes for ?$ operator - always track it, and assume subrecords are initialized	2021-02-04 11:39:33 -08:00
Vern Paxson	183fbc750f	speedup (and more coherent memory management) for tracking RDs	2021-02-03 17:13:51 -08:00
Vern Paxson	5dde3adbdd	fixes for generating and evaluating RDs associate with ?$ expressions	2021-02-03 16:51:34 -08:00
Vern Paxson	6f20c0da3f	inlining fix: propagate identifier attributes (such as &is_set)	2021-02-03 16:46:07 -08:00
Vern Paxson	cb9a959978	tidier memory management	2021-02-02 17:00:28 -08:00
Jon Siwek	aa03e54ba0	Fix IntrusivePtr release leaks in reaching-def logic	2021-02-01 23:25:15 -08:00
Jon Siwek	6c80052c55	Change dynamic_cast in reaching-def logic to static_cast	2021-02-01 22:57:46 -08:00
Jon Siwek	6d3df74788	Adjust some reaching-def memory management ... E.g. can use unique_ptr or just avoid heap-allocating as minor simplification of some mem-mgmt logic.	2021-02-01 22:54:17 -08:00
Jon Siwek	36f27a0d01	Adjust various reaching-def move/reference semantics ... Nothing that important, just changing things to what is hypothetically more efficient in general.	2021-02-01 22:00:56 -08:00
Jon Siwek	1f7580db65	Change LambdaExpr::OuterIDs() accessor to return const-reference	2021-02-01 18:06:19 -08:00
Jon Siwek	990bbb1626	Simplify declaration of DefPointType enum	2021-02-01 17:54:57 -08:00
Jon Siwek	40b41964f9	Fix a sign-compare compiler warning	2021-02-01 17:32:27 -08:00
Vern Paxson	f6a119254f	fix for analyzing non-reduced ASTs	2021-01-23 12:29:04 -08:00
Vern Paxson	2f0d02c878	driver class for generating RDs across an AST, and logic to invoke it	2021-01-23 10:54:43 -08:00
Vern Paxson	baab336d2e	class for managing "reaching definitions" for each AST node	2021-01-23 10:52:33 -08:00
Vern Paxson	2883f4ebee	class for tracking the "reach" of variable/field definitions	2021-01-23 10:51:04 -08:00
Vern Paxson	d2d681c2a5	class for referring to definitions of variables or record fields	2021-01-23 10:48:14 -08:00
Vern Paxson	9b549e4034	additional converters and accessors for Expr subclasses	2021-01-23 10:48:14 -08:00
Vern Paxson	64eb229880	class encapsulating location of variable/field definition	2021-01-23 10:47:46 -08:00
Vern Paxson	732633ebb4	option handling for new -u/-uu flag for reporting usage issues	2021-01-23 10:25:06 -08:00
Jon Siwek	12f9ba5f37	Guard against nullptr deref after AST-reduction consistency checks ... Addresses Coverity issue 1443771	2021-01-19 11:22:52 -08:00
Jon Siwek	b4cf393475	Adjust some Reducer ref-counting and IntrusivePtr usage	2021-01-14 00:24:12 -08:00
Jon Siwek	7ce4351ed0	Fix reference counting in ListExpr inline/reduce methods	2021-01-13 23:01:44 -08:00
Jon Siwek	177b723a60	Switch some Stmt transform/reduce logic to use IntrusivePtr	2021-01-13 22:57:48 -08:00
Jon Siwek	b799665c1a	Switch some Expr transform/reduce logic to use IntrusivePtr	2021-01-13 20:27:41 -08:00
Jon Siwek	f9e0b14d38	Add missing header-includes to Reduce.h	2021-01-13 16:39:59 -08:00
Jon Siwek	fe8db7f150	Use string for TempVar::name ... Nothing of consequence; just encapsulation of memory management	2021-01-13 13:49:32 -08:00
Jon Siwek	81fa7f7e3d	Switch AnalyOpt::only_func to optional<string> ... Nothing of consequence; may help express meaning and memory management.	2021-01-13 13:19:46 -08:00
Jon Siwek	48da8b7d66	Fix a signed/unsigned comparison warning	2021-01-13 12:31:19 -08:00
Vern Paxson	03085d45e5	simplified some vestigial complexity I noticed when flipping through diffs	2021-01-10 17:36:03 -08:00
Vern Paxson	e2edb622ac	logic for driving the script optimization process	2021-01-10 14:18:11 -08:00
Vern Paxson	e42b1fa05d	low-level tidying	2021-01-10 14:15:11 -08:00
Vern Paxson	607e9950bf	implementation for Reduce class - code now links	2021-01-10 14:14:09 -08:00
Vern Paxson	7a9694a2a4	reduction of Stmt subclasses - compiles but does not yet link	2021-01-10 14:13:16 -08:00
Vern Paxson	10e80dfcd3	reductions of expressions in ASTs - code compiles but doesn't yet link	2021-01-10 14:04:01 -08:00