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98 commits

Author SHA1 Message Date
Bill Currie
b226d24b52 rework the param parsing to make selectors easier to handle 2002-05-08 05:15:19 +00:00
Bill Currie
d5b637ae06 first stab at implementing ObjC like features. The parser doesn't generate 
any code for the new features yet (I need to learn more about how objc
/works/) but nothing seems to have been broken.
 2002-05-07 16:55:54 +00:00
Bill Currie
067359b39d d'oh, missed a ; 2002-05-01 21:42:29 +00:00
Bill Currie
962dc8e46e rewrite the type and def parsing to allow more flexible types 2002-05-01 21:35:39 +00:00
Bill Currie
98fea9ff55 remove some debug code and fix some missing ;s 2002-04-27 02:51:00 +00:00
Bill Currie
1f468e2508 fix a silly parse snafu 2002-04-26 21:49:35 +00:00
Bill Currie
aa006ecf64 qfcc now supports implicit string constant concatentation. 2002-04-26 21:42:50 +00:00
Bill Currie
4f7245d634 allow type (parm, parm, ...) to compile (the parms aren't type checked yet) 2002-04-26 21:28:06 +00:00
Bill Currie
80723fdec7 o don't ice when ex_name or ex_nil expressions show up in emit_expr. 
instead, treat as useless epxression.
 o  mark rvalue expressions as such
 o  increment the users of a managed temp def when in an rvalue expr
 2002-02-21 20:34:04 +00:00
Bill Currie
e38259e01f warn when a top-level local shadows a parameter 2002-02-19 00:16:56 +00:00
Bill Currie
6a393d175e implement typedef 2002-01-23 20:50:25 +00:00
Bill Currie
2ce5a91373 allow enum {...} name; but ignore name (eases C <-> QC header compat) 2002-01-21 19:09:23 +00:00
Bill Currie
64c5983742 enum support 2002-01-21 19:03:29 +00:00
Bill Currie
cef918df83 get array initialisation worrking 2002-01-18 08:26:37 +00:00
Bill Currie
d69762facd integer() and float() casts seem to work 2002-01-17 19:32:04 +00:00
Bill Currie
08c1d57c53 fix a param scoping error 2002-01-17 16:59:00 +00:00
Bill Currie
718a64343b more old-code cleanup. move PR_LexString into make_string 2002-01-04 18:27:01 +00:00
Bill Currie
cc34e5954f lots of work on better array/pointer/struct handline. doesn't quite work yet 2001-12-12 08:39:47 +00:00
Bill Currie
b03a1bee42 ok, structures seem to generate correct code now 2001-12-08 08:19:48 +00:00
Bill Currie
0c2f36f9a3 some dead code cleanup 2001-12-06 20:05:49 +00:00
Bill Currie
7d9266a3f0 beginnings of array support. no array initialization yet and foo[i] = bar is 
broken.
 2001-11-15 00:46:36 +00:00
Bill Currie
ed331517b3 more grammar re-work preparing for arrays and structs 2001-11-14 22:31:57 +00:00
Bill Currie
a2bfff5dc4 simplify the type rule 2001-11-14 07:16:58 +00:00
Bill Currie
d27cd9cc21 s/type_size/pr_type_size/ 
remove the redundant type_size from qfcc
 2001-11-12 23:56:46 +00:00
Bill Currie
928d343295 pr_comp.h: 
o	add ev_uniteger to the types enum
	o	add opcodes for ifbe, ifb, ifae, ifa, jump, lt.ui, gt.ui, le.ui, ge.ui
progs.h:
	o	add uinteger accessors
pr_exec.c:
	o	implement ifbe, ifb, ifae, ifa, jump, lt.ui, gt.ui, le.ui, ge.ui
pr_opcode.c:
	o	add opcodes for ifbe, ifb, ifae, ifa, jump, lt.ui, gt.ui, le.ui, ge.ui
expr.h:
	o	prototype inc_users
qfcc.h:
	o	add externs for op_ifbe, op_ifb, op_ifae and op_ifa
emit.c:
	o	don't bother emiting an assignment to a temp def that's only used once
		(ie, it's never read, only written to)
	o	support the new if* instructions
expr.c:
	o	support the new if* insructions
	o	dectect expression loops in append_expr
	o	support unsigned integers
	o	re-work temp def usage counting
pr_def.c
	o	debugging for temp def usage counts
pr_opcode.c:
	o	support the new if* instructions
qc-parse.y:
	o	provide defines for IFBE IFB IFAE IFA
switch.c:
	o	do binary searches for strings, floats and ints if there are more than
		8 cases in a switch. Strings need more testing.
 2001-11-09 00:58:16 +00:00
Jeff Teunissen
581411e9e2 qfcc: Preparation for getopt. 2001-10-26 06:43:56 +00:00
Bill Currie
f029687ff0 switch statement. could do with lots of improvements, but this should be a 
good start.
 2001-10-25 06:41:52 +00:00
Adam Olsen
3bba5398ba - audit malloc usage. now everything checks the return value :) 2001-10-24 22:50:06 +00:00
Bill Currie
133ce647fb implement break and continue. only loops covered for now, but that's because 
switch isn't implemented yet
 2001-10-24 18:57:29 +00:00
Bill Currie
743bc5178b fix uninitialized variable detection for nested scopes 2001-10-24 15:21:21 +00:00
Bill Currie
6553c81a41 proper scoping for QC ala C. 2001-10-24 06:39:49 +00:00
Bill Currie
2ef8adea09 handle more conditional code and check for unitied vars in the test of if () 
etc
 2001-10-19 05:16:24 +00:00
Bill Currie
16c334b6b9 uninit var detection seems to work for if and if else 2001-10-19 03:22:04 +00:00
Bill Currie
3572a6be28 change def_list from def_t ** to hashtab_t * and comment out some debug code 2001-10-19 00:45:56 +00:00
Bill Currie
237d238a65 beginnings of "if" uninitialized variable support. doesn't make any 
difference yet
 2001-10-18 23:06:39 +00:00
Bill Currie
5ca785e7e8 uninitialized variable detection. not perfect (lots of false negatives, but 
fewer than before;) but prozac isn't giving any false positives.
 2001-10-18 20:05:26 +00:00
Bill Currie
96e4e1a232 the beginning of unititialized var detection. first victim: functions. 
--undefined-function-warning is now --no-undefined-function-warning and
the default is to detect called but undefined functions.
 2001-10-18 17:41:22 +00:00
Bill Currie
952f029e6d rename def_t.initialized to def_t.constant 2001-10-18 17:15:05 +00:00
Bill Currie
79ac85b54f type checking now works much better and there is now a NIL builtin constant 
which can be assigned (/only/) to anything.
 2001-10-17 07:45:37 +00:00
Bill Currie
7407e4f1b7 and some more 2001-09-28 07:09:38 +00:00
Bill Currie
7aec6e253a unused local variable detection 2001-09-22 23:41:47 +00:00
Bill Currie
9f715ae9f8 more small old-parser cleanups 2001-09-15 20:31:17 +00:00
Bill Currie
cf4ca286f0 implement pre and post increment operators (++ and --) 2001-08-20 06:22:28 +00:00
Bill Currie
c2d3d8f3ab temp def expressions and ?: 
seems to work :)
 2001-08-11 21:15:24 +00:00
Bill Currie
a33c834a39 move SHL and SHR down in expr 2001-08-10 17:00:53 +00:00
Adam Olsen
6414897dae got a few new operators for qc :) 
<< >> % which all act like their C counterparts
+= -= *= /= &= ^= |= <<= >>= %= which just expand into the obvious,
also like the C versions.
 2001-08-10 16:17:00 +00:00
Bill Currie
081d8f3c47 ^ and ~ operators for qc (^ from Rhamphoryncus) and clean up the punctuation 
line in qc-lex.l (why didn't I think to do that in the first place?!?)
 2001-08-09 16:34:46 +00:00
Bill Currie
d89cd91e4b make the expressions in for (a;b;c) optional 2001-08-01 06:29:09 +00:00
Bill Currie
bfb8eff2f0 signed_const isn't needed any more 2001-07-27 21:01:01 +00:00
Bill Currie
ecc71c4a60 local var = expr; now works (globals must still be consants) 2001-07-27 20:55:14 +00:00