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3697 commits

Author SHA1 Message Date
Bill Currie
01cf28e436 [qfcc] Treat C-style function decls as prototypes 
This removes the need for extern from the declaration.
 2020-03-27 18:08:26 +09:00
Bill Currie
643711ef40 [qfcc] Pre-initialize type_object's strct pointer 
This ensures that pointers to incomplete struct types are not
misidentified as id before the class system has been initialized.
 2020-03-27 17:29:42 +09:00
Bill Currie
498dfdbfef [qfcc] Clean up Obj-QC type struct names 
I decided that the obj_ tag was unnecessary.
 2020-03-27 15:33:53 +09:00
Bill Currie
ab3d91f0c3 [qfcc] Clean up simple type checking 
All simple type checks are now done using is_* helper functions. This
will help hide the implementation details of the type system from the
rest of the compiler (especially the changes needed for type aliasing).
 2020-03-27 15:16:41 +09:00
Bill Currie
8b1e4eea58 [qfcc] Bring back the core of type aliasing 
No aliasing is done yet, but most of the infrastructure is there again.
 2020-03-27 12:27:46 +09:00
Bill Currie
53fd55143e [qfcc] Fix missed none->basic rename 2020-03-27 12:26:44 +09:00
Bill Currie
75394cc4f8 [gamecode,qfcc] Use enums for type encoding types 
The enums are forced to 32 bits via bitfield spec, so can't use sizeof
on them, but this makes switch enum checks work in gcc.
 2020-03-27 12:24:14 +09:00
Bill Currie
4de2c6b30e [qfcc] Move alias expr inside call block expression 
This fixes the trampled return value when the first expression aliases
the return result.
 2020-03-26 20:16:52 +09:00
Bill Currie
98eac2afbc [qfcc] Hide dependency generation commands 2020-03-26 20:16:32 +09:00
Bill Currie
15d4186fff [qfcc] Show line numbers in block sub expressions 
Seems more useful than expression index.
 2020-03-26 20:15:50 +09:00
Bill Currie
5fd63b95db [qfcc] Add a new failing test 
The struct alias is somehow blocking the detection of the call so the
return value gets corrupted.
 2020-03-26 19:22:41 +09:00
Bill Currie
1f8cc7186c [qfcc] Hide "function" type behind an @ 
I'm not sure it's all that useful and thus it clutters the namespace.
 2020-03-25 21:04:22 +09:00
Bill Currie
4cef9792f4 [util] Make hash-tables semi-thread-safe 
They take a pointer to a free-list used for hashlinks so the hashlink
pools can be per-thread. However, hash tables that are not updated are
always thread-safe, so this affects only updates. progs_t has been set
up such that it is easy for multiple progs within one thread can share
hashlinks.
 2020-03-25 15:43:16 +09:00
Bill Currie
9bfd14b687 [qwaq] Bring in qc gcd to use for debugger testing 
It was even recent enough to compile first try.
 2020-03-24 23:02:19 +09:00
Bill Currie
298fcbbf70 [qfcc] Add ExitCode support to quake-pascal 
gcd now passes :)
 2020-03-20 12:59:25 +09:00
Bill Currie
ed03eeb8d2 [qfcc] Resync qc and qp common symbols 
Forgot I needed to remove PAS from pascal as well.
 2020-03-20 12:59:25 +09:00
Bill Currie
f64038b872 [qfcc] Add gcd.pas to the tests 2020-03-20 12:59:25 +09:00
Bill Currie
7447854d7c [qfcc] Recover from syntax errors in abstract_decl 2020-03-19 11:01:26 +09:00
Bill Currie
4c6e1b7fc4 [qfcc] Fix some uninitialized variable warnings 
I really wish gcc would catch more issues when not optimizing.
 2020-03-18 01:51:52 +09:00
Bill Currie
0293d335d0 [qfcc] Mark known source def live for movep 
This fixes ivar-struct-return (and qwaq).
 2020-03-18 00:02:36 +09:00
Bill Currie
43ea34535e [qfcc] Make ivar-struct-return fail 
It turns out that assignments to struct fields are not counted as live
when the whole struct is later used via a pointer move.
 2020-03-17 23:39:17 +09:00
Bill Currie
22cd39c853 [qfcc] Mark ptr assignment offset as an operand 
This fixes structptr. All current tests pass.
 2020-03-17 23:05:57 +09:00
Bill Currie
578bf9a16f [qfcc] Set dag node value for movep 
This fixes compilation of all tests. However, structptr still fails.
 2020-03-17 22:54:27 +09:00
Bill Currie
34c9ec51bb [qfcc] Make opcode and statement type names available 2020-03-17 22:46:23 +09:00
Bill Currie
77806f4b1b [qfcc] Get dag code generation mostly working 
There's an ICE in return-ivar, but assignchain passes let alone builds.
 2020-03-17 22:35:36 +09:00
Bill Currie
16bda66785 [qfcc] Add more statement types for move/memset 
They ease the statement checks between assign/move/memset and the
pointer versions (don't need all those strcmps)
 2020-03-17 21:39:49 +09:00
Bill Currie
3c2f6c8447 [qfcc] Simplify flow_analyize_pointer_operand 
and its usage. The parts of flow_analyze_statement that use it know
where the returned operand needs to go. Unfortunately, this breaks dags
pretty hard, but that's because dags needs to learn about the fancy
assignment-type statements.
 2020-03-17 21:30:16 +09:00
Bill Currie
dec2e6249e [qfcc] Increase flow operand count to 5 
MOVEP instructions have up to 5 operands: 2 pointers, the count, and 0-2
referenced variables (when known).
 2020-03-17 21:24:12 +09:00
Bill Currie
fa2cbc72d8 [qfcc] Analyze tempop pointers in move/memset statements 2020-03-17 15:48:06 +09:00
Bill Currie
6ec92fb83b [qfcc] Point pointer tempop to the operand 
It turns out I need the operand itself, not just the tempop.
 2020-03-17 15:47:42 +09:00
Bill Currie
0de011d0bf [qfcc] Add some disabled additional statement info 
It's a bit cluttered for normal debugging, but I haven't decided how to
make it optional just yet.
 2020-03-17 15:23:24 +09:00
Bill Currie
c5cbe83f71 [qfcc] Initialize statement numbers to -1 
This is to indicate the statement has not yet been flow analyzed.
 2020-03-17 15:05:58 +09:00
Bill Currie
d02a01c282 [qfcc] Make tempop pointer strings more informative 
Now that the address of a tempop can be taken, their op strings need to
be visible.
 2020-03-17 15:05:58 +09:00
Bill Currie
441e7b99bc [qfcc] Correctly implement pointer arithmetic 2020-03-17 13:39:22 +09:00
Bill Currie
c5400c4581 [qfcc] Make anonstruct test robust against pointer math 
I noticed that pointer math is currently incorrect in qfcc, but it would
be nice for fixing it to not break anonstruct since it is testing
something else.
 2020-03-17 12:16:24 +09:00
Bill Currie
0d784d9ef4 [qfcc] Rework address expr calculation 
This removes a bogus lea from the instruction stream (and there can be
many such).
 2020-03-17 12:13:09 +09:00
Bill Currie
0d751dcdc5 [qfcc] Improve robustness of do_op_integer 2020-03-17 12:12:06 +09:00
Bill Currie
9cb3ee01d6 [qfcc] Add pointer value check 
Extraction is a little more complicated, though, so undecided on that.
 2020-03-17 11:19:12 +09:00
Bill Currie
c3f04384d5 [qfcc] Make a general integral value extractor 
All too often I just want the value.
 2020-03-17 11:18:37 +09:00
Bill Currie
80967e1471 [qfcc] Support def exprs in integral value extractors 2020-03-17 10:56:45 +09:00
Bill Currie
e4a403bbb3 [qfcc] Improve integral value extraction readability 2020-03-17 10:55:27 +09:00
Bill Currie
888192a9ea [qfcc] Resurrect ex_def expression type 
It turns out to be useful still as using symbol expressions isn't always
appropriate and the workarounds were getting nasty.
 2020-03-17 01:42:46 +09:00
Bill Currie
fd06cd2b00 [qfcc] Analyze assignment through const pointers 
This fixes a false-positive uninitialized warning.
 2020-03-17 01:40:35 +09:00
Bill Currie
8e6baf1bde [qfcc] Fix assigning to entity fields 
At least for basic types. Compound types need testing.
 2020-03-17 01:39:35 +09:00
Bill Currie
f9face0cef [qfcc] Make is_indirect easier to read 2020-03-16 23:26:39 +09:00
Bill Currie
5c0c056e2c [qfcc] Add is_entity type test helper 2020-03-16 21:07:31 +09:00
Bill Currie
ede7dd6d7e [qfcc] Catch attempts to emit a bad operand type 2020-03-16 20:31:21 +09:00
Bill Currie
1d10136f2e [qfcc] Treat all dereferences and indirect 
Why I had a const pointer test on there is beyond me.
 2020-03-16 20:24:22 +09:00
Bill Currie
69924fe717 [qfcc] Return correct value for is_const_ptr 
It really helps if the logic is not inverted.
 2020-03-16 20:21:07 +09:00
Bill Currie
db06300ddd [qfcc] Make print_operand usable from gdb 
It not emitting a \n made life difficult, especially whenever gdb
decided to make access to printf or puts awkward.
 2020-03-16 20:20:07 +09:00