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660 commits

Author SHA1 Message Date
Bill Currie
fd2b7ee6f9 Use more type checking helper functions 2020-02-19 21:41:46 +09:00
Bill Currie
d50a27a045 Race down the alias chain before checking types 
This takes care of some of the type aliasing issues.
 2020-02-19 21:41:46 +09:00
Bill Currie
a5aba6c8ac Implement type aliasing 
The separate types are in the file, but there are multiple issues
 2020-02-19 21:41:46 +09:00
Bill Currie
2f18364364 Start work on encoding typedef chains 2020-02-19 21:41:46 +09:00
Bill Currie
b00c866c4e Allow casting between string and pointer types 2020-02-19 21:41:46 +09:00
Bill Currie
bd6dcafdc8 Replace system defines/includes with qfcc's 
Right now, it probably works only with modern gcc.
 2020-02-19 02:35:09 +09:00
Bill Currie
c61d0b6ff0 Allow unlimited parameters in function declarations 
However, definitions are still limited to 8 parameters. This allows
processing of C headers for type information.
 2020-02-19 02:35:09 +09:00
Bill Currie
7a399c956b Encode function parameter alignment 
The encoding is 3:5 giving 3 bits for alignment (log2) and 5 bits for
size, with alignment in the 3 most significant bits. This keeps the
format backwards compatible as until doubles were added, all types were
aligned to 1 word which gets encoded as 0, and the size is unaffected.
 2020-02-16 17:10:43 +09:00
Bill Currie
1985b6d4fd Avoid creating a struct temp for ivar struct return 
This fixed the uninitialized temp warning in HUD.r. The problem was
caused by the flow analyzer not being able to detect that the struct
temp was being initialized by the move statement due to the address of
the temp being in a pointer temp. While it would be good to use a
constant pointer for the address of the struct temp or improving the
flow analyzer to track actual data, avoiding the temp in the first place
results in nicer code as it removes a move statement.
 2020-02-15 23:49:12 +09:00
Bill Currie
7bfa0f7a92 Allow pragmas to have arguments 
It does mean only one pragma per line, but that's not such a big deal.
 2020-02-15 23:49:12 +09:00
Bill Currie
91f5023681 Promote bugs to internal errors 
Mostly so I can catch them in test cases
 2020-02-15 23:49:12 +09:00
Bill Currie
a4a57b6ffd Implement aligned allocations 2020-02-15 23:49:12 +09:00
Bill Currie
533fb8acc9 Implement double constants 2020-02-15 23:49:12 +09:00
Bill Currie
2cd62fe01b Fix several double-related bug 
float is promoted to double through ... for non-v6 code.
PR_Sprintf has custom param access via P_*, messed up doubles.
 2020-02-15 23:49:12 +09:00
Bill Currie
df7c08a010 Add support for doubles to Ruamoko 
Only as scalars, I still need to think about what to do for vectors and
quaternions due to param size issues. Also, doubles are not yet
guaranteed to be correctly aligned.
 2020-02-15 23:49:12 +09:00
Bill Currie
9248e8cf01 Update for doxygen 1.8.16 2020-02-11 15:22:42 +09:00
Bill Currie
8caf2eb584 Mark some new functions as pure 2019-06-27 21:37:48 +09:00
Bill Currie
fe73547f43 Update alias type sameness check 
This one seems to be fairly robust. Fixes alias being used to cast
pointers (maybe a better way, but this works for now).
 2019-06-18 08:53:05 +09:00
Bill Currie
b996fb7aa4 Make operand->type actual type instead of low-level 
And clean up the resulting mess. This fixes struct copy, but uncovers
another bug :/
 2019-06-17 23:38:34 +09:00
Bill Currie
ec128ffeee Leave a FIXME for daglabel_t.live 2019-06-16 19:24:19 +09:00
Bill Currie
bc271d8a02 Add tempop_visit_all 
Works the same as def_visit_all, but for temp operands.
 2019-06-16 16:52:49 +09:00
Bill Currie
fa69aeef0f Improve handling of temp aliases 
This makes all tests pass when not optimizing. More work needs to be
done in dags.
 2019-06-12 00:37:02 +09:00
Bill Currie
ee1f5f9478 Add support for binary alias expressions 
Doesn't quite work yet.
 2019-06-10 23:48:58 +09:00
Bill Currie
913b9f52e0 Add an offset alias expression 
This should make dealing with def elements (vector etc) easier.
 2019-06-10 18:13:28 +09:00
Bill Currie
efdfc7436f Move ev_types into types.[ch] 
No wonder I couldn't find it the other day...
 2019-06-10 18:04:25 +09:00
Bill Currie
f093516962 Move qfo type encoding structs 
This makes them available to the gamecode VM, and thus the debugger.
 2019-06-09 18:07:58 +09:00
Bill Currie
ec89149b29 Build for loop decl inits correctly 
The multiple expressions are chained together and evaluate in left to
right order.
 2019-06-09 13:54:03 +09:00
Bill Currie
df0316bb13 Clean up some comment FIXMEs 2019-06-08 19:22:29 +09:00
Bill Currie
3327127e36 Fix a typo in a comment 2019-06-08 13:28:29 +09:00
Bill Currie
4ef4a7e955 Start work on simple names in symbol tables 
I don't remember what the goal was (stopped working on it eight months
ago), but some possibilities include:
 - better handling of nil (have trouble with assigning into struts)
 - automatic forward declarations ala C# and jai (I was watching vids
   about jai at the time)
 - something for pascal
 - simply that the default symbol type should not be var (in which case,
   goal accomplished)
 2019-06-06 07:01:44 +09:00
Bill Currie
ff5c1cd4c2 Clean up redundant type parameter to initialize_def. 2018-10-15 22:11:20 +09:00
Bill Currie
6c53be928b Support returning vector expressions. 
Currently fails due to a scheduling problem when the vector expression
contains functions.
 2018-10-13 23:32:53 +09:00
Bill Currie
aaab18c9a7 Nuke a dead field. 
It looks like ex_temp_t.expr was never really used, and I have no idea
what I had intended (not surprising after ~17 years).
 2018-10-13 12:07:50 +09:00
Bill Currie
2f2edae43b Make error, warning and notice give compiler file/line too. 
But only when verbosity > 1 (-vv).
 2018-10-13 09:31:00 +09:00
Bill Currie
78e0a8dc52 Support assigning non-constant vector expressions. 2018-10-12 22:05:17 +09:00
Bill Currie
668896aa82 More diagnostic improvements. 2018-10-12 16:01:11 +09:00
Bill Currie
71b3d30aa1 Make the ice a little more informative. 2018-10-12 14:51:39 +09:00
Bill Currie
3bd9f96b07 Make internal error messages a little more helpful. 
They now include the file and line of the compiler as well.
 2018-10-12 13:57:59 +09:00
Bill Currie
673b45be05 Add diagnostic hooks. 2018-10-09 12:46:13 +09:00
Bill Currie
34bcf7faab Do a pure/const/noreturn/format attribute pass. 
I always wanted these, but as gcc now provides warnings for functions that
could do with such attributes, finding all the functions is much easier.
 2018-10-09 12:42:21 +09:00
Bill Currie
d1cb15664f Fix some spelling issues in a comment. 2018-09-09 22:34:24 +09:00
Bill Currie
59b04dbcca Make many qfo int fields unsigned. 
I don't remember why I thought signed was a good idea, but unsigned does
make more sense for most fields.
 2018-09-08 19:45:19 +09:00
Bill Currie
cdbdf3f0eb Make print_operand global. 2018-08-23 20:05:16 +09:00
Bill Currie
8b8b42bde2 Fix a typo in a comment. 2018-08-23 20:04:51 +09:00
Bill Currie
1b84ea747c Dump statements during flow analysis. 2018-08-21 15:56:39 +09:00
Bill Currie
db460155e9 Fix multiple function calls in expressions. 2013-09-27 23:15:57 +09:00
Bill Currie
3295370328 Expose and use field_expr(). 
This may cause problems later on, but it is needed for the binary_expr()
cleanup.
 2013-09-27 23:15:57 +09:00
Bill Currie
ca9693d9cd Expose convert_from_bool(). 2013-09-27 23:15:57 +09:00
Bill Currie
7f50333b2c Add support for constant [] vector expressions. 2013-09-27 23:15:57 +09:00
Bill Currie
7a7a685105 Add support for actual vector expressions. 
Currently, they can represent either vectors or quaternions, and the
quaternions can be in either [s, v] form or [w, x, y, z] form.

Many things will not actual work yet as the vector expression needs to be
converted into the appropriate form for assigning the elements to the
components of the "vector" type.
 2013-09-27 23:15:57 +09:00