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152 commits

Author SHA1 Message Date
Bill Currie
bc1b483525 Nuke the rcsid stuff. 
It's pretty useless in git.
 2012-04-22 10:56:32 +09:00
Bill Currie
8d3508cf20 Allocate space for temp defs using size rather than type. 
Statement operands throw away the high level type information, so store
type size in the operand and use this size for allocating space for temps
rather than using the low-level type.
 2011-03-23 21:32:14 +09:00
Bill Currie
f1d9570dc8 Fix constant value type handling. 
Rename immediate.[ch] to value.[ch] and clean up the mess.

Add convert_value() to convert the type of a value (only scalar types).
 2011-03-22 12:24:39 +09:00
Bill Currie
02a70ebe1c Remove the auxfunction manipulation from the compiler proper. 
It was broken code in the first place (realloc and pointers), and is
redundant with the new linking process.
 2011-03-07 13:33:02 +09:00
Bill Currie
7314b944d5 Bring back the offset alias support. 
Accidently nuked it when fixing .return etc.
 2011-03-05 16:31:32 +09:00
Bill Currie
7fd839a5ed Handle chains of alias defs so relocs will be emitted. 2011-03-05 08:39:16 +09:00
Bill Currie
d937172243 Create and use alias operands for alias expressions. 
This avoids the alias expression modifying the operand used in other
expressions.
 2011-03-03 13:46:07 +09:00
Bill Currie
9c9a71f1af Allow defs to specify use of offset relocations. 
Access to struct fields in near data can be done using only one operand,
but offset relocs need to be used. However, as not all defs want offset
relocs, a flag has been added to the def struct.
 2011-02-15 22:55:15 +09:00
Bill Currie
0b5565396b Add a class type to symbols and rework the CLASS_NAME handling. 
This fixes the problem with [Array alloc] producing a warning about Class
not repsonding to -alloc.
 2011-02-13 16:05:09 +09:00
Bill Currie
f24de89a2a Handle type-modified constants. 
The fix for pointers broke constants (particularly, enums). Oops.
 2011-02-13 14:13:32 +09:00
Bill Currie
c4f364fd37 Emit pointers properly. 
Rename ReuseConstant to emit_value and use emit_value to emit any non-short
constant. This fixes the null pointer in the call to __obj_exec_class.
 2011-02-13 10:09:42 +09:00
Bill Currie
181596f5bf Make relocation records store the space of the relocation. 
The space is meaningless for op_* relocations as they are always in the
code space, but def_* relocations need to know which space holds the
location to be adjusted.
 2011-02-12 22:34:38 +09:00
Bill Currie
1099ca086c Dump the offending expression and statement for a bad instruction. 2011-02-10 14:25:09 +09:00
Bill Currie
a43946abf3 Give short values special treatment. 
As a short value fits directly into a statement, it needs a fake def that
holds its value in the def's offset in order for the value to be written to
the statement.
 2011-02-09 22:13:43 +09:00
Bill Currie
68cdc904f5 Give temporary variables unique names. 2011-02-09 10:04:55 +09:00
Bill Currie
681ded9375 Fix debug line number information. 2011-02-09 09:59:43 +09:00
Bill Currie
0d5ab6600d Store the source expression in a statement. 
This makes problem reporting more informative.
 2011-02-08 18:18:34 +09:00
Bill Currie
3c849b970b Handle union access now that they're detected properly. 2011-02-08 14:45:48 +09:00
Bill Currie
1d108a8cec Support emitting symbolic constants. 2011-02-06 20:08:54 +09:00
Bill Currie
bc7d42d176 Immediate constants now work, though still not shared. 2011-01-28 21:39:01 +09:00
Bill Currie
4738c767a2 Fix branch label handling. 
Conditional branches and goto now go to the correct location.
 2011-01-27 21:11:32 +09:00
Bill Currie
95b17d9fd4 Rename add_statement_ref to add_statement_def_ref. 2011-01-27 21:10:37 +09:00
Bill Currie
cdea1d07aa Produce code for progs.src mode. 
Separate compilation will take fixing object files.

The generated code is broken due to various relocation fixups being
broken, and float immediates seem to be badly broken.

Debug information is broken too.
 2011-01-27 15:44:11 +09:00
Bill Currie
f7d60397fb Set the type for zer_def used by labels. 2011-01-26 22:43:59 +09:00
Bill Currie
36c99a8da1 Get function def creation working again. 2011-01-26 14:48:22 +09:00
Bill Currie
6ce3c5a59a Get statments being emitted to the code segment. 
The first function seems to work fine, but there's a problems with the
scope of params causing params to get their knickers in a twist (tangled
linked list).
 2011-01-25 15:46:48 +09:00
Bill Currie
ea3895805b Rewrite much to use symbols and symtabs. Gut emit.c. Massive breakage. 
That which isn't rewritten is horribly broken. However, this does include a
nice mechanism for building QC structs for emitting data.

emit.c has been gutted in the spirit of "throw one away".

There is much work to be done to get even variables emitted, let alone
code. Things should be a little more fun from here on.
 2011-01-17 22:34:41 +09:00
Bill Currie
8f71986306 Add symbol expressions (like def expressions). 
They will eventually replace def expressions. Currently quite broken.
 2011-01-13 14:54:24 +09:00
Bill Currie
008f4e1929 Don't return .return in advanced mode. 2011-01-13 14:50:25 +09:00
Bill Currie
638f4445cc More return code cleanup. 
Don't use the true void return in traditional mode.
Prefer the true void return over "done" at the end of functions.
Don't emit the above if the last emitted statement is a return and there is
no label at the end of the function.
 2011-01-13 00:46:46 +09:00
Bill Currie
3c9991364b Add a "void return" instruction. 
I got fed up with always having to explicty return something.
 2011-01-13 00:29:56 +09:00
Bill Currie
96ba4605fa Fix the micro-optimization that avoided emitting x = x 
The check was broken by alias defs. If a def is aliased, the alias must be
checked.
 2011-01-12 23:33:51 +09:00
Bill Currie
4da2657bfe Fix most of the notice spam (hacky). 
The implementation and declaration of OP_DONE disagree (not sure what to do
about it yet), so give it special treatment when emitting.
 2011-01-11 08:07:04 +09:00
Bill Currie
75ec6bf244 Clean out some unnecessary types from the progs engine and clean up the mess. 
This is a nasty commit, sorry, but 99% of the commit is interdependent.
 2011-01-10 12:25:31 +09:00
Bill Currie
fa08e4afb7 Print users info when dumping statements. 2010-12-19 11:16:04 +09:00
Bill Currie
67beaf4487 Nil is a constant, so allow it in global initializers. 2010-11-24 17:01:18 +09:00
Bill Currie
22776f9ffd get double indirection working 
do not try to optimize the output of the sub-dereference in a dereference
 2010-01-13 06:31:06 +00:00
Bill Currie
1dc4683961 ensure all instructions are fully initialized. 2009-12-20 11:09:58 +00:00
Bill Currie
9ac15436d9 More docs. 
Enhance qfprogs qfo debugging.

Make sure functions marked as extern don't emit anything. Fixes the segfault
when building klik.
 2008-08-01 13:54:24 +00:00
Bill Currie
9509d0fd5e make qfo files typesize safe 2007-04-07 12:35:03 +00:00
Bill Currie
c560744270 "use" parent defs 2007-04-06 11:01:34 +00:00
Bill Currie
f7df6fea17 instead of having cpp args in progs.src, potentially breaking some mods, generate progs.i as a series of #includes and then compile everything in one pass 2006-05-24 14:35:39 +00:00
Bill Currie
3fb03fc2be hah, should have been using __attribute__((used)) all that time (rather 
than __attribute__((unused))). fixes the missing console in -x11
 2005-08-04 15:27:09 +00:00
Bill Currie
3f58823fed vector-calls now works with rcall :) 2005-06-12 11:37:28 +00:00
Bill Currie
762aefc9b1 implement Raven's calling convention (rcall: first 2 params in opb and 
opc). should give a general speedup to most progs.
 2005-06-12 09:54:01 +00:00
Bill Currie
66cabb587f add the vector-calls "optimisation" from fteqcc. makes it possible to 
compile the version of frogbot with waypoints for almost 300 maps.
 2005-06-10 07:31:25 +00:00
Bill Currie
9f662787e0 get struct copy to/from struct fields via pointers. fixes a bug found by 
snax
 2005-06-09 10:34:03 +00:00
Bill Currie
0360859a0f all warnings (except for @self and self) are now fully controllable 2004-02-17 00:39:21 +00:00
Bill Currie
c3f41e3e69 new opcode: state.f. same as state, but takes a 3rd float operand to 
specify the step for calculating nextthink. accessed using
[frame, think, step] (state is [frame, think])
 2004-02-11 01:43:33 +00:00
Bill Currie
39c7ff1e90 disable debug output 2004-01-25 08:59:55 +00:00