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252 commits

Author SHA1 Message Date
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
85834ab8c3 handle a couple of missed ex_nil cases 2001-10-17 18:36:19 +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
2d068c0745 massive windows.h and WIN32 cleanup. 2001-10-16 21:40:45 +00:00
Bill Currie
c8e1e7942a correct type error checking for vectors vs floats 2001-10-12 03:58:22 +00:00
Bill Currie
356492f683 don't convert float test epxressions for --id and fix a typo in an error 
message for !expr
 2001-10-06 04:48:52 +00:00
Bill Currie
67635e9dd0 fix a d'oh in the param/return type checking 2001-10-02 19:03:28 +00:00
Bill Currie
dcb51dc586 expr.h: 
get_type and extract_type prototypes and add extern for type_names
emit.c:
	use extract_type instead of get_type
expr.c:
	get_type now returns the type pointer rather than the qc type enum.
	extract_type uses get_type to return the qc type enum.
	make type_names global
	use get_type instead of ex_expr/ex_def to cover more cases
	clean up function call/return processing as a result of get_type
pr_opcode.c:
	use opcode_priority_type_table_ab when var_c is null and a minor
	cleanup in PR_Opcode_Find
 2001-10-02 18:55:52 +00:00
Bill Currie
7407e4f1b7 and some more 2001-09-28 07:09:38 +00:00
Bill Currie
c74fc1c0df make the unused var warning like gcc's 2001-09-24 17:51:15 +00:00
Bill Currie
789a11d2d8 don't print the file or line number for "warnings treated as errors" 2001-09-23 04:08:28 +00:00
Bill Currie
2054ec016a fix a slew of false positives with unused var checking 2001-09-23 04:08:03 +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
d7675ada7a move the particle count multiplication out of the renderer and into the clien 
(for blood and gunshot, anyway).
 2001-09-06 05:41:15 +00:00
Bill Currie
805c1bd242 foo (snafu, bar (baz)) no longer uses a temp for bar's return value 2001-08-24 23:22:02 +00:00
Bill Currie
f16886b7f1 missed a need to increment the users of the temp for chained functions 2001-08-24 22:29:06 +00:00
Bill Currie
cee850e499 remove debug 2001-08-24 22:03:50 +00:00
Bill Currie
8166ee7bfb fix a whitespace snafu (gee, vim can be a pain somethings) 2001-08-24 21:57:07 +00:00
Bill Currie
ea451ab02d Remove unnecessary temps from function return values. This has one 
*/CRITICAL/* implication: DO NOT /EVER/ RELY ON EVALUATION ORDER. This
isn't /really/ that bad: evaluation order will be consistent for similar
expressions, but for (eg) foo() + bar()*2, bar will be called first.
 2001-08-24 21:47:52 +00:00
Bill Currie
08f73bed78 better code generation for foo(bar(baz)). foo(snafu,bar(baz)) isn't optimal 
yet, but the code is at least correct
 2001-08-24 21:14:04 +00:00
Bill Currie
eeec89e6ba don't put function args in temps when not needed. still need to take care 
of the return value, but that can possibly be taken care of in an optimiser
pass.
 2001-08-24 05:40:48 +00:00
Bill Currie
0eda635483 fix temp reference counting on function call args 2001-08-22 23:21:47 +00:00
Bill Currie
4c48851096 fix a buffer overflow in new_label_expr 
use reference counting for temp defs and call PR_FreeTempDefs at the end
of emit_sub_expr as well as emit_expr.
fix a (relatively harmless) bug in type processesing of foo.bar =
 2001-08-22 21:55:01 +00:00
Bill Currie
a32384f16c report the name of the function using the most locals 2001-08-21 18:23:21 +00:00
Bill Currie
8d29efe552 remove a debug print 2001-08-21 17:22:55 +00:00
Bill Currie
2af74aedca fix a segfault due to type mangling for ... functions 2001-08-20 18:23:47 +00:00
Bill Currie
cf4ca286f0 implement pre and post increment operators (++ and --) 2001-08-20 06:22:28 +00:00
Bill Currie
cd59628199 move the chained funcion support out of emit_function_expr into funciton_expr 2001-08-20 04:56:00 +00:00
Bill Currie
9ee3450265 extend the hash api to more easily support general cases 2001-08-16 02:51:53 +00:00
Bill Currie
d55199bece re-arrange the types of store and storep so things make a little more sense 2001-08-13 23:00:17 +00:00
Bill Currie
c103adc17d clean up the code generated for a = b ? c : d 2001-08-12 02:38:12 +00:00
Bill Currie
79ce6c56ca fix assignops with entity fields by cloning e1 rather than just re-using it 2001-08-11 22:02:59 +00:00
Bill Currie
248de6858d hopefully take care of freebsd 2001-08-11 21:46:02 +00:00
Bill Currie
c2d3d8f3ab temp def expressions and ?: 
seems to work :)
 2001-08-11 21:15:24 +00:00
Bill Currie
a8e858f77d fix a bug where every 2nd(?) arg was being skipped when setting up a function 
call
 2001-08-10 21:31:48 +00:00
Adam Olsen
caeb31e6ca start of the support for chained function calls. Actually, they 
should work fine now, there's just some extra temp vars we want to
remove before we can consider it "done" :)
 2001-08-10 20:35:42 +00:00
Bill Currie
b44fd6ab91 move a var 2001-08-10 18:42:13 +00:00
Bill Currie
4388bf0519 good bye, old parser 2001-08-10 18:35:55 +00:00
Bill Currie
9e46265046 fix a silly error causing integer constants to not be re-used 2001-08-10 17:41:08 +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
27ccfa67c5 fix the efficiency of unary expressions as args to a function 2001-08-09 17:05:30 +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
b341529fce more --id support 2001-08-07 16:50:22 +00:00
Adam Olsen
c218ede288 Add support for checkfunction, which is a builtin that searches for 
another builtin by name, and returns it.

Soon I'll change all our new builtins to by allocated dynamically, as
well as changing the number checkfunction uses, and happily break
everything that uses them :D
 2001-08-04 09:11:50 +00:00
Bill Currie
1e1cb06a1f disable integers for --id. probably not thorough enough yet :/ 2001-08-03 07:47:15 +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
Bill Currie
28b1598e7e break the emit_* functions out of expr.c into emit.c 2001-07-26 05:15:34 +00:00
Bill Currie
7718ca4c96 various little cleanups 2001-07-26 05:08:27 +00:00
Bill Currie
d44f60f17c drasticly simplify emit_assign_expr now that I have a much better 
understanding of when an explicit assigment is needed. seems to work for
everything I throw at it.
Also, fix ! unary ops (caused by the - unary op fix:/)
 2001-07-25 21:47:05 +00:00
Bill Currie
0c2cd8633c fix -expr handling. generates sucky code atm, but at least it's generating 
code now:P
 2001-07-25 18:36:36 +00:00
Bill Currie
620063628c typecheck values for [frame, think] on thost functions and fix some misplaced 
immediate defs
 2001-07-24 23:53:35 +00:00
Bill Currie
9ad075b02e make if/while/for use test_expr, make test_expr fix the new exp line/file, 
fix some string const issues
 2001-07-24 22:30:31 +00:00
Bill Currie
576123060a warn on passing integer constants into ... functions. Again, this will need 
an option later
 2001-07-24 20:43:18 +00:00
Bill Currie
d9cde786b3 use ev_type_count instead of ev_void for bad types so things like void 
functions being used in expressions don't cause ICEs
 2001-07-24 19:51:44 +00:00
Bill Currie
6d1671950a expr.c: 
warn for int const / int const. this will probably want an option for newer
	games
qfcc.c:
	clean up temp files when errors have occured
 2001-07-24 04:45:53 +00:00
Bill Currie
a47a4d8038 make print_expr's output readable by mere mortals 2001-07-23 06:15:33 +00:00
Bill Currie
d2c266775c fix a seg on return type mismatch 2001-07-23 05:46:00 +00:00
Bill Currie
4b744b6be5 fix numberous integer <-> float errors 
type check function args in the correct order
 2001-07-23 05:31:49 +00:00
Bill Currie
b8874cab1c function return checking 2001-07-23 02:27:46 +00:00
Bill Currie
50fadb6866 function arg type checking with int->float /constant/ cooecion. 2001-07-23 01:56:49 +00:00
Bill Currie
c248372e20 Initial integer type support. qfcc /is/ partially broken when it comes to 
integer constants and float function args/return values.

pr_comp.h:
	o  add the integer opcodes to pr_opcode_e
pr_edict.c:
	o  add "quaternion" and "integer" to type_name[]
	o  support quatnernion and integers types when printing values
	o  support the integer opcodes when bounds checking
pr_exec.c
	o  enable the integer opcodes
pr_opcode:
	o  add the integer opcodes to the opcode table
	o  logical operators all result in an integer rather than a value
expr.h:
	o  rename int_val to integer_val
qfcc.h:
	o  kill another magic number
expr.c:
	o  move the opcode to string conversion out of type_mismatch and into
	   get_op_string
	o  rename int_val to integer_val
	o  general integer type support.
	o  generate an internal comipiler error for null opcodes rather than
	   segging.
pr_imm.c:
	o  rename int_val to integer_val
	o  support integer constants, converting to float when needed.
pr_lex.c:
	o  magic number death and support quaternions and integers in type_size[]
qc-lex.l
	o  rename int_val to integer_val
	o  support quaternion and integer type keywords
qc-parse.y:
	o  rename int_val to integer_val
	o  use binary_expr instead of new_binary_expr for local initialized
	   variables
builtins.c:
	o  rename int_val to integer_val
	o  fix most (all?) of the INT related FIXMEs
defs.qc:
	o  use integer instead of float where it makes sense
main.c:
	o  read_result is now integer rather than float
main.qc:
	o  float -> integer where appropriate
	o  new test for int const to float arg
 2001-07-23 01:31:22 +00:00
Bill Currie
55ac55c7ac rename ev_int and ex_int to ev_integer and ex_integer. create type_integer 
and def_integer (do I need that?), clean up and or coment on XXX and FIXME
 2001-07-22 06:59:12 +00:00
Bill Currie
7c16afe7e9 add a --no-cpp command line option so that cpp enabled qfcc can still compile 
qfpreqcc progs
 2001-07-20 05:22:44 +00:00
Bill Currie
00d409e80c fix constant folding for | 2001-07-19 03:00:35 +00:00
Bill Currie
47a6f2c9b5 pr_debug.c: 
capitolise CRC and add a \n to the message
sv_progs.c (both nq and qw):
	don't bother checking the progdefs.h crc: it's just not needed any more
pr_imm.c:
	use r instead of rep when checking the hash tables.
main.c (quaq):
	make developer work and set com_filesize (otherwise, progs crc doesn't
	get set properly (com_filesize, not developer:))
 2001-07-18 21:28:41 +00:00
Bill Currie
5c31fbf366 fix debug crc generation 2001-07-18 20:31:55 +00:00
Bill Currie
10ad8bebbd Make files.dat actually useful. I really dislike the hardcoding, but it /is/ 
useful. Also, fix a bug in PrecacheModel where it was checking MAX_SOUNDS and
numsounds instead of models.
 2001-07-18 17:23:42 +00:00
Bill Currie
c9af1575d3 fix emit_assign_expr to emit an explicit assignment statement whenever 
emit_sub_expr returns a temporary def. this fixes a = b = c; expressions when
entities are involved.
 2001-07-18 16:33:31 +00:00
Bill Currie
098305d649 fix (expr_type1 && expr_type2). this involed type completing expressions :/ 2001-07-18 06:37:14 +00:00
Jeff Teunissen
af366764de C preprocessor support for qfcc. Depends on the new parser. --enable-cpp 
to activate.
 2001-07-17 05:02:34 +00:00
Bill Currie
5d5d3f1416 well, that explains the loss of line number onfo on return statements :P 2001-07-16 03:53:45 +00:00
Bill Currie
cb80800732 fix debug line numbers for if and while. still `losing' them for return for 
some reason.
 2001-07-15 01:51:01 +00:00
Bill Currie
a0ba8e534c s/IMMEDIATE/.imm/ for name of immediate defs. the latter is both shorter and 
impossible to generate from qc
 2001-07-15 01:50:10 +00:00
Bill Currie
2818d720c2 move the full info opcocde table from qfcc to gamecode (<KURGON>There can be 
only one!</KURGON>:) and use the table in PR_PrintStatement. This means that
qfcc now links against libQFgamecode as well as libQFutil
 2001-07-14 02:34:16 +00:00
Bill Currie
ae9ee57666 change the type of opcode->type to etype_t, clean up the resulting mess, and 
rename all of the opcodes to (eg) mul.f instead of MUL_F
 2001-07-14 01:52:05 +00:00
Bill Currie
6c91ee29f0 fix a missed debug test 2001-07-14 01:47:45 +00:00
Bill Currie
7acbb3a0ea helps if I remember this :/ 2001-07-14 01:16:07 +00:00
Bill Currie
64e50e1ebd Basic debug info generation, just line numbers and local defs for each 
function.
 2001-07-14 01:15:40 +00:00
Bill Currie
8bbef35197 fix `a = b = b + c;' (probably d + c, too). Caused by forgetting to emit 
an assignment for `a ='.
 2001-07-12 18:56:43 +00:00
Bill Currie
8000c86e35 /much/ better type mismatch error reporting 
eg:
./main.qc:55: type mismatch: float == entity
 2001-07-09 18:17:04 +00:00
Bill Currie
1db6225ae7 make - - - - -2 work 2001-07-06 04:54:08 +00:00
Bill Currie
4673d701c9 fix the conflicts caused by -ve constants 2001-07-06 04:29:12 +00:00
Jeff Teunissen
35f5118803 warning/error message cleanups. Well, at least *I* think they make more 
sense. :)
 2001-07-06 02:43:39 +00:00
Bill Currie
b1f264b203 using qfpreqcc is now vewy vewy qwiet ('e's 'unting wabbits) 2001-07-03 21:17:02 +00:00
Bill Currie
1edf1e0b39 format checking for error and warning + needed fixes 
try to give name of object when calling non-function
 2001-07-03 20:53:49 +00:00
Bill Currie
ccc00b0608 fix segs on ondeclared identifiers 2001-07-03 20:42:07 +00:00
Bill Currie
f2bb7ace41 add an option (--warn=error) to treat warnings as errors 2001-06-28 23:15:10 +00:00
Bill Currie
9c2398d923 stop processing files after errors have occured 2001-06-28 23:08:52 +00:00
Bill Currie
6dfee9968b /much/ better error handling 2001-06-28 21:26:40 +00:00
Bill Currie
eef9e8e2dc be more accurate about the operator involved 2001-06-28 17:44:50 +00:00
Bill Currie
0271afbb10 warn about the dangers of (!foo & bar) 2001-06-28 15:20:31 +00:00