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373 commits

Author SHA1 Message Date
Bill Currie
16103f9018 Fix param mangling for qc style functions. 2011-03-07 10:43:38 +09:00
Bill Currie
28f4de94d2 Fix switch statements so the work in the new scheme. 
Convert case labels to be the same type as the switch expression.
Use alias expressions for the various test expressions.
 2011-03-06 00:29:29 +09:00
Bill Currie
8cfa80b5d4 Implement think expressions. 2011-03-05 18:01:37 +09:00
Bill Currie
c5ecc170b6 Give labels a usage count to detect unused labels. 2011-03-03 15:28:49 +09:00
Bill Currie
76f912c7a1 Fix function typedefs. 2011-03-02 22:23:24 +09:00
Bill Currie
330e76a9ac Set the correct storage class for struct and enum specifiers. 2011-03-02 11:29:08 +09:00
Bill Currie
b584a22d6b Fix external function declarations. 
Use spec.storage rather than current_storage.
 2011-03-01 11:08:33 +09:00
Bill Currie
b50b392746 Fix field def allocation for function fields. 
Assignment of nil to a field function is permitted, but trying to use one
as a builtin or as a normal function is treated as an error.
.void (float y) func;       OK
.void (float y) bi = #0;    error
.void (float y) ni = nil;   OK
.void (float y) co = { };   error
 2011-02-22 12:07:31 +09:00
Bill Currie
87b240f469 Use special treatment for .float ()foo; functions. 
The parser wants to treat .float () foo; as a function returning a float
field, but qcc treats it as a field holding a function variable.
Fortuantely, field types are always "simple" (ie, at worst, just more
field type wrappers around the non-field type), so all that's needed to
obtain qcc grammar is to reach into the field type layers and do the
function type calculation based on the non-field type found there.
 2011-02-22 08:54:01 +09:00
Bill Currie
d04865884f Set the method's function pointer. 2011-02-15 22:27:13 +09:00
Bill Currie
4336fc2c73 Move method function defs into the far data space. 
As they are never referenced directly by instructions, there's no need for
them to be in the near data space, taking precious def locations.
 2011-02-15 15:33:18 +09:00
Bill Currie
bc882ddc3c Fix the parser side of aggregate initializers. 2011-02-14 23:31:37 +09:00
Bill Currie
09af401f0c Reset current_func at the end of each function. 2011-02-14 23:10:46 +09:00
Bill Currie
5fa349927f Preserve the ivars inheritance chain across build_struct(). 
build_struct() unlinks the structure symbol table from its parent, but
that breaks the ivar inheritance chain.
 2011-02-14 23:10:46 +09:00
Bill Currie
5707888fcf Fix some error-recovery segfaults. 2011-02-14 23:10:46 +09:00
Bill Currie
f1fccb19dd Allow same-type re-declarations of uninitialized variables. 
This is especially important for declaring variables that were previously
declared external.
 2011-02-14 23:10:46 +09:00
Bill Currie
acced90101 Create the symbol for the struct as early as possible. 2011-02-13 20:55:33 +09:00
Bill Currie
547f361bd3 Allow (void) qc-style functions. 2011-02-13 17:37:11 +09:00
Bill Currie
d75c35ba30 Allow qc style function params. 
Due to ambiguities in the grammar, qc-style function params and c-style
function params had to be completely separated. This means that qc-style
functions can not use pointers and must use qc-style function declarations
for parameters, and c-style functions must use c-style param declarations.
While this rule is tedious for converting the Ruamoko library, it does
actually make for a more consistent language.
 2011-02-13 17:07:14 +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
75d90d2f00 Propogate the specifiers through external_decl_list. 2011-02-11 22:29:57 +09:00
Bill Currie
e19f7e3521 Sort out the parameters for QC style functions :) 2011-02-11 22:29:57 +09:00
Bill Currie
e75295b00c Make normal C style functions generate code. 2011-02-09 10:25:23 +09:00
Bill Currie
daa88d8f1c Fix a type clash warning I'd failed to notice. 2011-02-08 08:23:25 +09:00
Bill Currie
35d53d0d77 Fix typedefs and class names once and for all. 
I suspect Holub did them that way as a teaching exercise :P
 2011-02-08 08:20:32 +09:00
Bill Currie
7e2173f268 Remove some old code. 2011-02-08 08:16:36 +09:00
Bill Currie
7a1a9e3f2d Better handling of the current storage for function scopes. 2011-02-07 22:11:22 +09:00
Bill Currie
ff70177041 Fix type handling for local variables. 2011-02-07 21:38:58 +09:00
Bill Currie
a28ac636a7 Make local declarations support C syntax. 2011-02-07 21:29:04 +09:00
Bill Currie
da4ec3d47c Allow typedefs and classes in structs. 2011-02-07 20:55:13 +09:00
Bill Currie
aefd2a27d5 Make type handling in the grammar more consistent. 2011-02-07 20:54:49 +09:00
Bill Currie
76034861c9 Implement direct ivar access in methods. 
A warning needs to be generated for access to ivars in a class method, but
it seems to work (unable to check due to other errors).
 2011-02-07 08:32:52 +09:00
Bill Currie
6b7a81f5a7 Run find_type() early on enums and structs. 2011-02-06 20:07:19 +09:00
Bill Currie
00bba1eb3a Fix creation of uninitialized global variables. 2011-02-06 14:37:25 +09:00
Bill Currie
2f7b892452 Fix passing messages to classes. 
Rename class_pointer_def() to class_pointer_symbol() and use it when a
class name is used as the receiver of a message.
 2011-02-06 14:34:40 +09:00
Bill Currie
67957a14df Bring back convert_name(), but siimplified. 
It is now mainly for converting __FILE__ etc, handling expression symbols,
and checking for undefined identifiers.
 2011-02-06 14:29:14 +09:00
Bill Currie
29fbc3b073 Struct and ivar declarations now seem to work. 
However, not bit-fields.
 2011-02-04 23:48:58 +09:00
Bill Currie
c542e1a453 Possibly fix normal methods. 2011-02-04 22:31:23 +09:00
Bill Currie
d9446c5eb0 Fix builtin methods. 2011-02-04 22:31:22 +09:00
Bill Currie
d0ecbb38b8 Copy the spec bits and storage class for QC functions. 2011-02-04 15:25:21 +09:00
Bill Currie
b07392b818 Allow ivars to use C syntax declarations. 2011-02-03 18:04:41 +09:00
Bill Currie
dc6296e9b1 Allow ivars to use typedefs and other classes. 2011-02-03 18:03:37 +09:00
Bill Currie
2203903bb2 Temporarily splice the class's ivar chain into the symbol table. 
The root class's ivar symbol table needs to be connected to the global
symbol table while building the current class's ivar symbol table. This
allows access to other classes and typedefs.
 2011-02-03 18:02:49 +09:00
Bill Currie
79df3d2cca Put newly created classes into the symbol table. 2011-02-03 17:28:49 +09:00
Bill Currie
564b7b9968 Use abstract_decl instead of type wherever a generic type is needed. 2011-02-03 10:53:59 +09:00
Bill Currie
d12cdca758 Functions and enums now seem to be working properly. 
find_type now operates recursively (depth-first) so built up typechains
work as expected.

@overload is treated as a specifier (directly as a storage class, similaar
to typedef).
 2011-02-03 10:48:12 +09:00
Bill Currie
52799a4e1c Must merge specifiers :P 2011-02-02 22:59:08 +09:00
Bill Currie
4420a7125e Ensure structs get added to the symbol table. 2011-02-02 22:53:53 +09:00
Bill Currie
a4eaa2a89b Allow typedefed types and classes in parameters. 2011-02-02 21:58:53 +09:00
Bill Currie
aeecdc84dc Get typedef working. 2011-02-02 21:58:11 +09:00
Bill Currie
cca829aa6b Remove a stray semicolon from the grammar. 2011-02-02 21:57:41 +09:00
Bill Currie
1fe031e8cb Build C style var/func/abs decl types from the outside in. 
QuakeC style are built from the inside out.
 2011-02-02 15:15:04 +09:00
Bill Currie
ac91e9376b The big type-system rewrite. Horribly broken :) 
While broken, it is good enough to compile modulo.r.

This gives qfcc C's type system with QC specifics bolted on top (rather
than trying to cram C's type system into QC's). Pointers and arrays now
use C syntax and semantics (though I think there's a lot of breakage in
there at the moment). Functions themselves are still dual mode: both QC
style and C style are available.
 2011-02-01 21:23:03 +09:00
Bill Currie
36c99a8da1 Get function def creation working again. 2011-01-26 14:48:22 +09:00
Bill Currie
4966120e3b Untwist param's knickers. 2011-01-25 20:21:41 +09:00
Bill Currie
a648f043de Give functions their own defspace. 
The defspace is propogated through the function's sub-scopes.
 2011-01-25 12:34:45 +09:00
Bill Currie
34ffce50fa Ensure current_symtab gets set at the start of parsing. 
current_symtab must be set even if the first thing encountered is a syntax
error.
 2011-01-25 12:16:13 +09:00
Bill Currie
726f293d0d Allocate space for defs and handle basic initializations. 
Block initializers (arrays and structs) are still broken.
 2011-01-25 12:16:13 +09:00
Bill Currie
30701980bc Get QC cfunctions and defs working. 2011-01-25 12:16:13 +09:00
Bill Currie
0624408317 Move the diagnostic functions into their own file. 2011-01-24 21:54:57 +09:00
Bill Currie
d618e51dc8 Move save_string and make_string into strpool 
Might not be the perfect place, but at least they're strongly related.
 2011-01-24 21:32:48 +09:00
Bill Currie
4ac80c2932 Get qfcc running again. 
It segs when it tries to link, but that's because a real object file has
not been created yet. However, I can get my tree and flow diagrams :)
 2011-01-22 15:52:57 +09:00
Bill Currie
5deda9c9b9 Clean out ex_def as ex_symbol replaces it. 2011-01-19 22:25:04 +09:00
Bill Currie
e08efe036b Move the constant expression values into their own struct. 2011-01-19 08:43:24 +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
ffea505678 Cleanup QC's constant handling based on QP. 2011-01-14 12:10:28 +09:00
Bill Currie
c69ac1f56f Don't segfault when build_builtin_function detects an error. 2011-01-10 12:25:31 +09:00
Bill Currie
7971b0868e Break out the begin_function code into its own function. 2011-01-10 12:25:31 +09:00
Bill Currie
fbdbcfada4 Remove deprecated @argc and @argv 2011-01-05 13:10:57 +09:00
Bill Currie
5627e43465 Use the method's selector rather than its def name in error messages. 2011-01-03 16:25:29 +09:00
Bill Currie
a1f36a9944 Make new_function take a def rather than a name. 
Moves into new_function some code that should have been there in the first
place.
 2011-01-03 16:25:29 +09:00
Bill Currie
4c69a97ac7 Allow normal declarations within a class implementation. 
I had always been under the assumption that such was illegal in
Objective-C, but after working on Forge, I now know otherwise.
 2011-01-03 16:25:29 +09:00
Bill Currie
dc5bafb8fb Minimal error recovery. 
No more bailing on the first syntax error. While the recovery is not
perfect (things can get right twisted), qfcc will now continue parsing
after a syntax error.
 2011-01-03 16:25:29 +09:00
Bill Currie
a4635d79e8 Slightly more informative error locations. 
Inside a class or protocol definition is not "at top level" ;)
 2011-01-03 16:25:29 +09:00
Bill Currie
f738ef5dba Remove redundant RETURN statement rule. 
The same effect can be achieved with one rule using opt_expr.
 2011-01-03 16:19:28 +09:00
Bill Currie
28740bb57f Add unsigned integer constant support. 2010-12-23 19:32:28 +09:00
Bill Currie
4481ba9b0d Allow explicit references to classes and categories. 
Use "@reference ClassName;" or "@reference ClassName(CategoryName);" to
create a refence to the class or category, forcing the defining object file
to be linked into the program when the object file is part of a library.
 2010-12-12 20:27:56 +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
a623fb53a7 Proper support for empty structs and unions. 
They now have a single private, void, unnamed member, resulting in a size of
1 word. This makes empty structs useful for typed opaque handles.
 2010-11-24 17:01:17 +09:00
Bill Currie
51a32f4f87 minor comment about scoping in traditional mode 2010-02-22 13:44:52 +00:00
Bill Currie
56d01ce267 found an uncontrollable warning 2010-02-20 12:01:49 +00:00
Bill Currie
8abb9a69aa remove support for an optional = in struct/union declarations 2010-01-13 06:34:32 +00:00
Bill Currie
ae4fc3147d allow '*pointer' expressions 2010-01-13 06:31:41 +00:00
Bill Currie
c2dcc20d2a allow (constant) expressions in array declarators 2010-01-13 06:23:32 +00:00
Bill Currie
dcf593291d fix for new bison (must be explicit with the type of $$ in mid-rule actions) 2009-12-21 05:53:00 +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
3e50aae01f "print" command for dumping values in the progs and add return type info to the debugging information 2007-09-15 07:47:31 +00:00
Bill Currie
a521a78adb catch more uninitialized variables 2007-05-13 08:39:07 +00:00
Bill Currie
b356f1cbd4 remove some debug 2007-05-13 07:06:59 +00:00
Bill Currie
f4d40650f5 make initialized locals behave similarly to qcc in traditional mode (note, they're not exactly the same) 2007-05-13 06:21:54 +00:00
Bill Currie
0e78c3f6da make STORAGEX lower priority than UNARY so casts work 2007-05-07 23:44:45 +00:00
Bill Currie
9609fe8ca4 bloody hell 2007-05-07 15:04:06 +00:00
Bill Currie
839c00b97b back out the large packet/entity related patches. they've provent to be troublesome and it seems FTE has a better solution. 2007-05-07 14:58:53 +00:00
Bill Currie
8f365c4512 that wasn't supposed to go in 2007-05-07 12:18:54 +00:00
Bill Currie
72daa2fd2b add some sounds to the menus (not yet finished) 2007-05-07 12:17:12 +00:00
Bill Currie
7ba41632d9 snax's fixes to clean up most of the shift/reduce conflicts 2007-04-28 08:49:07 +00:00
Bill Currie
e8e2d3a6e5 make "local" optional 2007-04-28 05:20:47 +00:00
Bill Currie
cfeb14fecf warn when local variables are redecalred in the same scope. This won't normally cause problems, but it can save a lot of grief when converting traditional quakec code. 2007-04-12 09:39:42 +00:00
Bill Currie
30744a555e find the other place def_func relocs get emitted. I keep forgetting about the .y file when grepping source :P 2007-04-10 07:40:03 +00:00
Bill Currie
48fdd0cb26 record the params for builtins, too. 2007-04-09 06:16:34 +00:00