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7450 Commits

Author SHA1 Message Date
Bill Currie ecbb904d6b More docs and clearer types. 2011-02-22 09:23:04 +09:00
Bill Currie b7c6c4af5d Better variable naming in init_elements(). 2011-02-22 09:22:04 +09:00
Bill Currie 497db3ac81 Fix the return symbol extraction when appending a return statement. 
The code is still icky, though :P
 2011-02-22 09:20:52 +09:00
Bill Currie 4fd6bdae6f Allow nil to be assigned to field variables. 
Note, this is the field variable itself, not the field in the entity.
eg:
	.integer x = nil;
 2011-02-22 09:19:01 +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 96c6b31c66 Update qfo version and correct some comments and types. 2011-02-21 18:24:34 +09:00
Bill Currie 4c11304c8d Documentation tweaks. 2011-02-21 08:41:03 +09:00
Bill Currie bffc1dd239 Clean up objective-qc type encoding. 
Structures etc now never encode the fields as well (I might revert that
at some time). Type parsing has been removed: it has proven unnecessary
and overly complicated, and the new qfo encoding should be more useful.
 2011-02-18 20:51:04 +09:00
Bill Currie 41523852cd Cleaner def and string emittion for types. 
Use local defines for emitting defs and strings as everything goes to the
same locations.
 2011-02-18 12:44:11 +09:00
Bill Currie 7251bc91fa Enhanced type encoding. 
This creates a compact representation of types as seen by qfcc. This is
intended mainly for debuggers.
 2011-02-18 09:06:05 +09:00
Bill Currie 0f0ed3dae2 Allow null types in defs again. 
However, only at the lowest level. This is needed for my type encoding.
 2011-02-18 09:04:33 +09:00
Bill Currie ca6dd204b3 Use the right type for VM pointers. 
Probably more of these hiding in the code.
 2011-02-18 09:03:04 +09:00
Bill Currie bceb98e5a4 Create structures for new qfo format. 
This breaks a lot of existing code, so that code has been commented out
for now.
 2011-02-17 15:02:09 +09:00
Bill Currie 9c9a71f1af Allow defs to specify use of offset relocations. 
Access to struct fields in near data can be done using only one operand,
but offset relocs need to be used. However, as not all defs want offset
relocs, a flag has been added to the def struct.
 2011-02-15 22:55:15 +09:00
Bill Currie d04865884f Set the method's function pointer. 2011-02-15 22:27:13 +09:00
Bill Currie 3721b2edca Method lists are made of methods, not integers :P 2011-02-15 22:26:44 +09:00
Bill Currie c068138d91 More addresses in hex. 2011-02-15 22:26:09 +09:00
Bill Currie 814e36d3c8 Correct an error message and tidy some code. 2011-02-15 22:25:40 +09:00
Bill Currie 57f735c99c Avoid another segfault when debugging. 2011-02-15 15:33:18 +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 5252d72856 Correct the type for _OBJ_SELECTOR_TABLE. 2011-02-15 15:33:12 +09:00
Bill Currie b3da6ef3d4 Allow zero size arrays to match sized arrays of the same type. 
This allows externally declared arrays to not specify a size.
 2011-02-15 12:08:03 +09:00
Bill Currie b2d4aee61e Reimplement selector expressions to work with far data. 
They currently execute a lea instruction every method call, but the
optimizer should take care of that once its written.
 2011-02-15 10:48:05 +09:00
Bill Currie 6bd63f811f Preserve any relocs when converting a def from extern to otherwise. 2011-02-15 10:47:16 +09:00
Bill Currie 62456dc1e9 Yet another test. 2011-02-15 09:48:10 +09:00
Bill Currie 4e86b28b59 Use the def type rather than expression type to select the init method. 
Local defs may be initialized with non-constant expressions, which
includes function calls. Both function calls and aggregate initializers
use block expressions.
 2011-02-15 09:38:44 +09:00
Bill Currie 19f6faf0ad Fix aggregate initializers. 
Initializing arrays and structs seems to be working.
 2011-02-15 09:30:37 +09:00
Bill Currie d162838299 Resurrect constant_expr(). 2011-02-15 09:28:27 +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 3a1e467ae8 Non-bogus syntax and warning fixes for ruamoko/cl_menu. 
Sadly, there are many bogus warnings and other errors. qfcc is still very
sick :(.
 2011-02-14 23:10:46 +09:00
Bill Currie 9ac6929cf7 Syntax fixes for ruamoko/game. 
This one actually would compile if object files were working.
 2011-02-14 23:10:46 +09:00
Bill Currie 6af747705c Syntax fixes for ruamoko/scheme. 2011-02-14 23:10:46 +09:00
Bill Currie da3ac388fe Syntax fixes for ruamoko/gui. 
Once aggregate initializers are working, ruamoko/gui will "compile"
(no object files, and still the bogus integer constant into ... warning).
 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 b3d5789377 More tests. 2011-02-14 23:10:46 +09:00
Bill Currie 23b01be214 Handle invalid initializers gracefully. 2011-02-14 23:10:46 +09:00
Bill Currie 4c63a0bad6 Generate a warning when creating a var with no type. 
This makes the internal error in new_def() non-functional, but the warning
will catch the bug and there's no harm in leaving the test in new_def().
 2011-02-14 23:10:46 +09:00
Bill Currie ee866ae3a6 Enable the small struct optimization. 
For now, anyway. It would probably be much better to handle this sort of
thing in the optimizer stage.
 2011-02-14 23:10:45 +09:00
Bill Currie bcaf3687c5 Fix loading structs into params via an offset pointer. 
For certain values of "fix" :/. The code is ugly, but it does the right
thing: calculate the effect address and use the resulting pointer in a
move instruction.
 2011-02-14 23:10:45 +09:00
Bill Currie 352be1f8bd Handle null string pointers. 2011-02-14 23:10:45 +09:00
Bill Currie e10d561459 Treat small structs as integers (disabled). 
This is more to stash away a potential optimization. I need to fix the
real problem first.
 2011-02-14 23:10:45 +09:00
Bill Currie 6b29568fa9 Set the source file and line when copying an expression. 
This fixes the crazy line numbers in the debug info.
 2011-02-14 23:10:45 +09:00
Bill Currie 52010b8f7b Do not segfault with bogus debug info. 2011-02-14 23:10:45 +09:00
Bill Currie fc18ebd923 Add the source line number to most node labels. 2011-02-14 23:10:45 +09:00
Bill Currie 3e5989463f Update the def_tail when removing the last def from the space. 2011-02-14 23:10:45 +09:00
Bill Currie 11485556e5 Quote expression names to avoid problems with null pointers. 2011-02-14 23:10:45 +09:00
Bill Currie c139099294 Put another bandaid on the type creation system. 
It seems that building types is very fragile: all too easy to fix things
in one place and break something somewhere else. I guess the type system
will need a comlete rewrite at some stage.
 2011-02-14 23:10:45 +09:00