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Author SHA1 Message Date
Bill Currie
97e0c23529 [qfcc] Create a nil operand 
This is for struct assignments so they can pass the source operand back
up the assignment chain.
 2020-03-14 17:47:23 +09:00
Bill Currie
eca976e5ae [qfcc] Expose l-value checking 
Needed for assignment chains.
 2020-03-14 17:45:54 +09:00
Bill Currie
7d5644e055 [qfcc] Save operand creator return address 2020-03-14 17:44:54 +09:00
Bill Currie
51a30de9c5 [qfcc] Print accurate linenos for more ICEs 2020-03-14 16:51:54 +09:00
Bill Currie
6608c8a1f6 Revert "Support taking the address of block expressions that have a result." 
This reverts commit c78d15b331.

While a block expression's result may be an l-value, block expressions
are not (and their results may not be), thus taking the address of one
is not really correct. It seems the only place that tries to do so is
the assignment code when dealing with structures.
 2020-03-14 13:14:25 +09:00
Bill Currie
277ff719f5 Revert "Do not lose the block expression when taking its address." 
This reverts commit b49d90e769.

I suspect this was a workaround for the mess in assignment chains.
However, it caused compile errors with the new implementation, and is
just bogus anyway.
 2020-03-14 12:30:18 +09:00
Bill Currie
7cc51c9ca3 [qfcc] Save block expression creator's address 
I've already found the bug that necessitated it (and the creator was
innocent), but it will help later.
 2020-03-14 12:27:23 +09:00
Bill Currie
d30c895c13 [qfcc] Use correct assignment statement type 
Just another minor detail lost in the assignment rewrite. With this, all
tests pass when optimizing.
 2020-03-14 11:36:42 +09:00
Bill Currie
a98f0e04eb [qfcc] Correct some misinformative prints 2020-03-14 01:28:00 +09:00
Bill Currie
b1459ac816 [qfcc] Move return save temp into call block 
This fixes func-expr after the assignment rewrite. Now all tests pass
when not optimizing (something not quite right in assignchain when
optimizing).
 2020-03-14 01:24:13 +09:00
Bill Currie
57134e01cd [qfcc] Handle l-value pointer dereferences again 
While I still hate ".=", at least it's more hidden, and the new
implementation is a fair bit cleaner (hah, goto a label in an if (0) {}
block).

Most importantly, the expression tree code knows nothing about it. Now
just to figure out what broke func-epxr. A bit of whack-a-mole, but yay
for automated tests.
 2020-03-14 01:04:05 +09:00
Bill Currie
d150210888 [qfcc] Nuke PAS from orbit 
And there was much rejoicing. I hated having to create that opcode.
 2020-03-13 21:03:48 +09:00
Bill Currie
de89f2f31f [qfcc] Fix a test that wasn't failing when it should 2020-03-13 20:47:57 +09:00
Bill Currie
a069fad41e [gamecode] Print only entity address when no edicts 
If the edicts pointer is null, it's not possible to convert the entity
address to an index.
 2020-03-13 20:16:06 +09:00
Bill Currie
f738639d68 Revert "[qfcc} Mark some more functions as pure" 
This reverts commit 65b48c734c.

I forgot that get_type calls convert_name, which most definitely is not
pure. Fixes the segfault in scheme.
 2020-03-13 19:58:34 +09:00
Bill Currie
e22579d70e [qfcc] Analyze memset target pointer 
This fixes the false uninitialized warnings cause by nil migration.
 2020-03-13 18:28:54 +09:00
Bill Currie
3d88c3845f [qfcc] Move struct copy/set into statement emission 
Doing it in the expression trees was a big mistake for a several
reasons. For one, expression trees are meant to be target-agnostic, so
they're the wrong place for selecting instruction types. Also, the move
and memset expressions broke "a = b = c;" type expression chains.

This fixes most things (including the assignchain test) with -Werror
turned off (some issues in flow analysis uncovered by the nil
migration: memset target not extracted).
 2020-03-13 18:20:38 +09:00
Bill Currie
c04f1c0156 [qfcc] Really delay the conversion of nil 
Now convert_nil only assigns the nil expression a type, and nil makes
its way down to the statement emission code (where it belongs, really).
Breaks even more things :)
 2020-03-13 18:19:43 +09:00
Bill Currie
19002116c2 [qfcc] Fix missing expression types from dot_expr 2020-03-13 17:56:07 +09:00
Bill Currie
2c9c15f4c8 [qfcc] Add a type check helper for structural types 
ie, struct/union/array. I finally though up a decent name (didn't want
to use record as that's a pascal type).
 2020-03-13 17:54:05 +09:00
Bill Currie
a0d85e33c2 [gamecode] Rework implementation of memset* 
The memset instructions now match the move* instructions other than the
first operand (always int). Probably breaks much, but fixed in next few
commits.
 2020-03-13 17:50:57 +09:00
Bill Currie
087cee06be [gamecode] Use full precision for floating point values 2020-03-13 14:57:33 +09:00
Bill Currie
6dfe37635d [gamecode] Dump union contents 
The output is messy, but better than <union>
 2020-03-13 14:56:56 +09:00
Bill Currie
6001abbfdb [qwaq] Use the now working compound init more 2020-03-13 10:00:05 +09:00
Bill Currie
8d10b0f4aa [qfcc] Support compound initializers for return 2020-03-13 09:58:52 +09:00
Bill Currie
047131a737 [qfcc] Check for compound init in message args 
I had forgotten message sending did its own type checking and thus
needed to be updated for compound initializers in message parameters.
 2020-03-13 09:46:36 +09:00
Bill Currie
45acbddb79 [qwaq] Make DrawBuffer and TextContext sizes available 2020-03-13 03:09:42 +09:00
Bill Currie
1d3c8d8a6c [qwaq] Sort out mess around placement of getwrect 2020-03-13 03:09:42 +09:00
Bill Currie
d0f21ec2b4 [qwaq] Add -refresh to TextContext 
This does the right thing in the presence of panels and dealing with
stdscr.
 2020-03-13 03:09:42 +09:00
Bill Currie
3defe50be6 [qwaq] Add printf builtin to ease debugging 2020-03-13 02:41:08 +09:00
Bill Currie
7f9a415cbc [qwaq] Get DrawBuffer and TextContext working 
Especially blitting whole regions. Partial regions not tested yet.
 2020-03-13 02:36:53 +09:00
Bill Currie
9c06b22719 [qfcc] Fix segfault when assigning {} 2020-03-13 01:59:35 +09:00
Bill Currie
9c5fac2226 [qfcc] Catch another assignment chain failure 2020-03-12 19:53:15 +09:00
Bill Currie
f454842361 [qfcc] Add breaking assignment chain test 
This bug drove me nuts for several hours until I figured out what was
going on.
The assignment sub-tree is being generated, then lost. It works for
simple assignments because a = b = c -> (= a (= b c)), but for complex
assignments (those that require move or memset), a = b = c -> (b = c) (a
= c) but nothing points to (b = c). The cause is using binary
expressions to store assignments.
 2020-03-12 19:47:09 +09:00
Bill Currie
4c2a6c9eb2 [qfcc] Allow implicit demotion in initializer elements 
Notably, implicit double constants (no adorning d) being used to
initialize float struct members.
 2020-03-12 19:40:17 +09:00
Bill Currie
65b48c734c [qfcc} Mark some more functions as pure 
I guess gcc doesn't consider recursive functions as pure, but marking
get_type as pure had a slight ripple effect.
 2020-03-12 19:40:17 +09:00
Bill Currie
c743583003 [qfcc] Fix a comment 2020-03-12 19:40:17 +09:00
Bill Currie
bbfd498b74 [qfcc] Handle compound and memset dot nodes 
compound is currently not very informative, but it's better than "bad
expression type"
 2020-03-12 19:40:17 +09:00
Bill Currie
08b7064a3f [ruamoko] Set pr_argc before calling error methods 
Builtins calling ruamoko code need to be careful of the arg count in
case the ruamoko function uses varargs.
 2020-03-12 19:40:17 +09:00
Bill Currie
21a8559674 [qfcc] Improve handling of nil assignments 
Especially when they result in using memset.
 2020-03-12 19:40:17 +09:00
Bill Currie
0d4c7ba10f [cl_menu] Update plist usage of obj_msg_sendv 
Wonder if there's anywhere else...
 2020-03-12 00:52:42 +09:00
Bill Currie
e4caf50ee1 [qfcc] Update switch tables for compound initializers 
Forgot to do a full test build (Machine.r found it)
 2020-03-11 23:52:12 +09:00
Bill Currie
5d349efe78 [qfcc] Delay conversion of nil in assignments 
It's not possible to take the address of constants (at this stage) and
trying to use a move instruction with .zero as source would result in
the VM complaining about null pointer access when bounds checking is on.
Thus, don't convert a nil source expression until it is known to be
safe, and use memset when it is not.
 2020-03-11 22:57:48 +09:00
Bill Currie
be5f11f33a [qfcc] Support the new memset instructions 2020-03-11 22:57:20 +09:00
Bill Currie
6ca85d770d [gamecode] Add memset instructions 2020-03-11 22:48:55 +09:00
Bill Currie
d418be31e6 [qfcc] Tweak ivar test to check old bug 
It turns out that assigning nil to an ivar struct does not work (should,
of course).
 2020-03-11 20:55:21 +09:00
Bill Currie
48a256efaa [qfcc] Fix segfault when assigning {} 
I had intended to check, but forgot.
 2020-03-11 20:45:25 +09:00
Bill Currie
b6439e8dc1 [qfcc] Support compound init in assignment and params 
foo({...}) and bar = {...}
 2020-03-11 19:48:25 +09:00
Bill Currie
023a920a51 [gamecode] Replace lost parameter auto-reset 
rcallN messes with the progs parameter pointers and not resetting them
can cause incorrect data to be copied into the called function.
 2020-03-11 19:38:50 +09:00
Bill Currie
afd31ed292 [qfcc] Rename cexpr to comma_expr 
It took me too long to figure out what cexpr was for.
 2020-03-11 16:07:58 +09:00