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2100 commits

Author SHA1 Message Date
Bill Currie
e849c2d1ce Mark block expr result as rvalue when used as one 
At least for return. There may be other cases that need it, but this
fixes comma-expr.r (minus int->float promotion issues).
 2019-06-09 19:29:21 +09:00
Bill Currie
d9c9686288 Make initialized globals non-constant 
This is for modern code. Traditional code still treats initialized
globals as constant and nosave. This will make a bit of a mess of
modern code that expects traditional behavior.
 2019-06-09 19:23:23 +09:00
Bill Currie
b7b6a89b91 Simplify fold_constants 
While this does break automatic type promotion, it does stop
fold_constants recursing through complex expressions: only the top level
expression needs to be folded, and then only if both sides are actually
constant.
 2019-06-09 19:20:35 +09:00
Bill Currie
2ee36e8b99 Rename qfot_type_t.ty to meta 
When I did up a ruamoko implementation of a type encoding dumper, I
named the field meta, which feels much better than ty.
 2019-06-09 18:10:07 +09:00
Bill Currie
7fce68649a Implement comma expressions 
Doesn't quite work (attempt to suppress warning for return a = 3, 5;
failed).
 2019-06-09 16:56:20 +09:00
Bill Currie
689d1ad3ec Remove some debug prints 2019-06-09 16:45:01 +09:00
Bill Currie
33c2eb430f Stop bison complaining about %expect 
And make sure warnings get fixed.
 2019-06-09 16:19:27 +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
5bd3c8c985 Allow variable declarations in for loops 
Matches C, C++ and C#
 2019-06-08 21:52:17 +09:00
Bill Currie
be4c3a82a2 Detect redefinitions of structs and unions 
While the redefinition was being detected, it was misreported as the tag
being wrong, and on the wrong line, too.
 2019-06-08 19:25:25 +09:00
Bill Currie
f2102187b9 Clean up emit_protocol_list 
Now it uses emit_structure, which will make it easier should things go
wrong.
 2019-06-08 19:23:49 +09:00
Bill Currie
6acbdcb3e5 Correct a typo 2019-06-08 19:23:10 +09:00
Bill Currie
e217bdd55f Assign vector expressions to a temp for return 
Rather than direct to .return, allowing return of vector expressions
with function calls without trashing the vector.
 2019-06-08 13:36:03 +09:00
Bill Currie
ebab6574b9 Allow taking the address of a temporary variable 2019-06-08 13:35:47 +09:00
Bill Currie
e27da9c7db Avoid folding constants in assign_expr 
This prevents fold_constants from complaining about attempts to take
the address of a vector.
 2019-06-08 13:31:30 +09:00
Bill Currie
398e1cf83a Use output file as base for dot files 
Ensures the output goes not go into the source directory when using a
separate build tree.
 2019-06-08 13:30:06 +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
7e31704ebe Be more informative for pass by value size errors 2019-06-06 06:46:38 +09:00
Bill Currie
a5da8da1dc Be more informative for symbol type internal errors 2019-06-06 06:45:48 +09:00
Bill Currie
d00a2ef82d Convert constant vector expressions in binary expressions 
Fixes not being able to compare with eg [1, 2, 3]
 2019-06-06 06:44:19 +09:00
Bill Currie
319ecfbbfa Create a usable dot for vector expressions 
It leaves a lot to be desired, but it beats "FIXME".
 2019-06-06 06:42:31 +09:00
Bill Currie
607ec3124e More dead code removal. 
I have no idea why this hung around. It appears to be old array/struct
initialization.
 2018-10-15 22:12:40 +09:00
Bill Currie
ff5c1cd4c2 Clean up redundant type parameter to initialize_def. 2018-10-15 22:11:20 +09:00
Bill Currie
1746ce3af5 Make int type name reflect its keyword. 
Makes qc error messages make more sense.
 2018-10-15 20:54:05 +09:00
Bill Currie
302934a1e4 Remove some dead code. 2018-10-15 20:52:46 +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
4828934e50 Fix a equality check typo. 
Fixes bad code generation when assigning to vector.x in a function with no
parameters and the vector is the first local var.
 2018-10-12 23:39:05 +09:00
Bill Currie
78e0a8dc52 Support assigning non-constant vector expressions. 2018-10-12 22:05:17 +09:00
Bill Currie
e03dfa29b4 Clean up the module .ctor construction a little. 2018-10-12 21:09:36 +09:00
Bill Currie
f56d25cda6 Don't double print messages. 2018-10-12 20:46:45 +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
f58c2fef5a Switch QF's quaterions from wxyz to xyzw. 
After messing with SIMD stuff for a little, I think I now understand why
the industry went with xyzw instead of the mathematical wxyz. Anyway, this
will make for less pain in the future (assuming I got everything).
 2018-10-12 14:33:55 +09:00
Bill Currie
b7aa5bb8fe Fix an oops messing up edict size. 2018-10-12 14:33:26 +09:00
Bill Currie
f8606ebab8 Fix a object file segfault when spaces have no data. 
ie, don't attempt to copy memory from a null pointer (just copy the null
pointer).
 2018-10-12 14:00:34 +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
3656cb966c Fix some bison deprecation warnings. 2018-10-12 09:32:49 +09:00
Bill Currie
3bc664811e Fix lost error count tracking. 2018-10-11 22:03:14 +09:00
Bill Currie
a096babb1f Duplicate memory when creating a qfo from progs. 
Fixes some double-free bugs when linking after compiling.
 2018-10-11 21:37:01 +09:00
Bill Currie
82809eb856 Simplify the call to PR_LoadProgsFile. 
I've decided that setting pr.max_edicts and pr.zone_size as part of the
local progs initialization rather than in PR_LoadProgsFile makes more
sense. For one, it is unlikely for the limits to change every time progs is
reloaded. Also, they seem to be a property of the VM rather than the progs.
However, there is nothing stopping the caller from updating max_edicts and
zone_size every call.
 2018-10-11 10:06:48 +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
71569b45c9 Pre-format diagnostic messages. 
This will make it easier to hook diagnostics enabling unit tests.
 2018-09-09 18:09:32 +09:00
Bill Currie
113e0d82ba Fix a signed comparison error. 
Not sure how this fix got lost.
 2018-09-09 16:48:19 +09:00
Bill Currie
59e85b7d5e Fix a pile of dead assignments. 
Some were actual bugs!
 2018-09-08 22:23:57 +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
f75ff2d269 Fix some null argument issues. 2018-09-07 22:30:44 +09:00
Bill Currie
8f028b8a0d Fix some double frees. 2018-09-07 20:03:19 +09:00