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2339 commits

Author SHA1 Message Date
Bill Currie
b49d90e769 Do not lose the block expression when taking its address. 2011-03-06 16:32:51 +09:00
Bill Currie
c78d15b331 Support taking the address of block expressions that have a result. 2011-03-06 16:05:38 +09:00
Bill Currie
993d05b3d3 Support taking the address of alias expressions. 
Taking the address of an alias expression undoes the alias but uses the
aliased type.
 2011-03-06 15:58:49 +09:00
Bill Currie
b74c644a10 Perform offset field relocations. 2011-03-06 15:41:38 +09:00
Bill Currie
8712d30d1a Make entity field defs static. 
Entity field defs need to be static in order to avoid clashing with their
field variables.
 2011-03-06 15:41:15 +09:00
Bill Currie
c4e9a45d91 Do not lose the entity field defs. 2011-03-06 15:40:07 +09:00
Bill Currie
b7aa2f6786 Support access to struct fields in a structure in an entity. 2011-03-06 15:39:27 +09:00
Bill Currie
fe3d228658 Maintain a symbol table for entity fields. 2011-03-06 15:38:19 +09:00
Bill Currie
c29e0250e4 Make def_field_Ofs reloc dumps more informative. 2011-03-06 15:34:53 +09:00
Bill Currie
02766f0795 Do not try to dump def values from spaces with no data. 2011-03-06 15:33:53 +09:00
Bill Currie
1eb759bb8a Update reloc_names. 
I really need to get reloc_names unduplicated.
 2011-03-06 15:33:10 +09:00
Bill Currie
d1187f0857 Set the edict area size when dumping qfo files. 2011-03-06 13:41:00 +09:00
Bill Currie
7bfaf107ce Set the output file name as early as possible. 2011-03-06 13:40:24 +09:00
Bill Currie
417d1b4442 Fix structure copy into and out of entities. 2011-03-06 13:19:20 +09:00
Bill Currie
dc7a78b2ff Fix case label type conversions. 
The previous method made too many assumptions.
 2011-03-06 11:41:01 +09:00
Bill Currie
fe4df03896 Add is_float (). 
For now, it checks just floats, but I might one day add doubles.
 2011-03-06 11:35:15 +09:00
Bill Currie
85bffbcad0 Add is_integral() to check for integral types (integer, short, enum). 2011-03-06 11:25:12 +09:00
Bill Currie
17a9dff769 Avoid freeing an operand twice. 
Due to the way operands are used, they can be freed twice in dead-statement
removal. Detect the double-free and ignore it.
 2011-03-06 11:19:09 +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
7209c61912 Fix initializing local float variables with an integer constant. 
Run the assignment expression through fold_constants to handle any
necessary conversions and error checking.
 2011-03-05 17:23:58 +09:00
Bill Currie
a3c1f339fc Gracefully handle undefined symbols in entity field expressions. 2011-03-05 17:22:04 +09:00
Bill Currie
fbea276ede Yet more tests. 2011-03-05 17:21:19 +09:00
Bill Currie
7314b944d5 Bring back the offset alias support. 
Accidently nuked it when fixing .return etc.
 2011-03-05 16:31:32 +09:00
Bill Currie
e7e8220246 Dump code addresses as hex, too. 2011-03-05 16:25:56 +09:00
Bill Currie
2f74e6e4bf Nuke the old progs global. 
It is no longer needed thanks to the new qfo conversion functions.
 2011-03-05 16:24:53 +09:00
Bill Currie
fcb567fc98 Use the correct function number when updating the function def. 
Functions are 1 based in progs bug 0 based in qfo files.
 2011-03-05 16:00:39 +09:00
Bill Currie
535dfad305 Emit defs for far data. 
They will break when the offsets exceed 64k, but they are needed for
debugging.
 2011-03-05 15:59:14 +09:00
Bill Currie
97b1ceceb0 Fix line number info. 
line number info is now 1 based rather than 0 based (to better detect when
a function does not have line number info).
 2011-03-05 15:40:08 +09:00
Bill Currie
1dea86a3e4 Update debug info loading when dumping qfo files. 2011-03-05 14:53:41 +09:00
Bill Currie
cfefd79e07 Fix the source of bogus string relocs. 
Nested aggregate initializers were corrupting themselves.
 2011-03-05 09:21:12 +09:00
Bill Currie
7c95913c61 Avoid segfaulting with bad string relocs. 2011-03-05 09:07:16 +09:00
Bill Currie
8eb5fd653a Perform the relocations!!! 
line numbers seem to be broken, but the code itself looks good.
 2011-03-05 08:41:14 +09:00
Bill Currie
fe7be543f8 Correctly update the offset of code relocs. 2011-03-05 08:39:47 +09:00
Bill Currie
7fd839a5ed Handle chains of alias defs so relocs will be emitted. 2011-03-05 08:39:16 +09:00
Bill Currie
bbedbf5c9c Add the .return etc symbols to the symbol table. 
This puts their defs into the object file.
 2011-03-05 08:37:51 +09:00
Bill Currie
c3f1c186f8 Resolve types of .return etc. 2011-03-05 08:36:55 +09:00
Bill Currie
af7bc81e16 Chain the types for the linker. 2011-03-05 08:35:56 +09:00
Bill Currie
0bd0f783b2 Update def offsets with their final locations. 2011-03-04 23:37:46 +09:00
Bill Currie
6d02555ca9 Reorganize the offset calculations. 
keep the offset calculations separate from the data transfers for better
clarity in what is happening.
 2011-03-04 23:31:09 +09:00
Bill Currie
e62163e569 Nuke any invalidated relocs. 2011-03-04 21:46:19 +09:00
Bill Currie
2565e0db32 Update reloc targets when linking. 2011-03-04 21:29:47 +09:00
Bill Currie
bc78b84869 Set the target of string relocs to the string index. 2011-03-04 21:29:10 +09:00
Bill Currie
7fb22bd1e4 Make D_STRING() more useful and add D_GETSTR() 2011-03-04 21:28:12 +09:00
Bill Currie
e04f6266b1 Nuke def_list from defref_t. 
It didn't work :/.
 2011-03-04 20:40:01 +09:00
Bill Currie
5a552d8841 Add the null function. 2011-03-04 20:29:40 +09:00
Bill Currie
368a3826be Redo the offset and size calculations for qfo_to_progs(). 2011-03-04 20:14:02 +09:00
Bill Currie
cd12a78f93 Replace some accidentally deleted code. 
Forgot to commit it the first time round, then rebase messed me up and I
didn't notice until after pushing. *sigh*
 2011-03-04 19:02:47 +09:00
Bill Currie
72fae608e5 Write the function start address to the progs file. 
Oops:P
 2011-03-04 18:46:28 +09:00
Bill Currie
2211a807d4 Do not relocate builtin functions. 2011-03-04 18:46:25 +09:00
Bill Currie
d6d8b5b49d Generate the debug symbol file. 2011-03-04 18:46:05 +09:00
Bill Currie
9a96febdf5 Fix the hordes of bogus defs. 
They were caused by unused external defs, so not processing unused externs
in the first place is the simplest solution.
 2011-03-04 14:51:09 +09:00
Bill Currie
7b7f4c70e0 Correct non-external def processing. 2011-03-04 14:33:03 +09:00
Bill Currie
c5dac6d1d1 Transfer the type encoding. 
oops
 2011-03-04 14:29:22 +09:00
Bill Currie
d0b4546383 qfprogs isn't yet fully functional... 2011-03-04 13:54:29 +09:00
Bill Currie
2992d66f87 Simplify the tag used for anonymous structs etc. 
Hopefully two files with the same file name won't have anonymous stucts on
the same line.
 2011-03-04 13:52:32 +09:00
Bill Currie
e525727a24 Add a null type descriptor to the linker output. 2011-03-04 11:38:33 +09:00
Bill Currie
3a828ca5c2 Ensure work spaces are always connected to their data. 2011-03-04 11:18:56 +09:00
Bill Currie
45c3dd67a8 Some test updates. 2011-03-04 08:27:26 +09:00
Bill Currie
4192ef835c Delay initialization of obj_module_t as long as possible. 
This keeps the type descriptor out of progs that never use any
Objective-QC features.
 2011-03-04 08:25:50 +09:00
Bill Currie
c99f3aba0e Add the new header files for make dist. 2011-03-04 00:11:13 +09:00
Bill Currie
fd24524e13 More tests. 
I really need to sort out some test automation.
 2011-03-03 22:32:22 +09:00
Bill Currie
ee9045c377 Emit code for jump tables. 
With this, the entirety of the ruamoko tree builds (though the progs will
be broken in various ways: mostly unrelocated references).
 2011-03-03 19:09:00 +09:00
Bill Currie
a281033920 Alais the jump table's array to an integer. 
As per the previous commit, I'm not sure this is the right thing to do, but
it works for now.
 2011-03-03 19:07:37 +09:00
Bill Currie
4324486ae6 Give - unary expressions special treatment. 
The progs engine has no neg instruction, so need to implement -val as
nil - val
 2011-03-03 18:13:30 +09:00
Bill Currie
f9e177efd6 Obtain the label to be removed from the correct place. 
This fixes the undetected dead block after "if return else return".
 2011-03-03 17:50:46 +09:00
Bill Currie
ed901bd48f Drop unused labels rather than adding them to the statement block. 
However, even unused labels create a new statement block if necessary.
 2011-03-03 17:35:06 +09:00
Bill Currie
b5e7e666e9 Fix some missed branch/goto expression changes. 2011-03-03 17:33:53 +09:00
Bill Currie
c5ecc170b6 Give labels a usage count to detect unused labels. 2011-03-03 15:28:49 +09:00
Bill Currie
90640614ef Compare symbols using the right method. 
That fixme was right :)
 2011-03-03 15:02:26 +09:00
Bill Currie
610d775bd1 Treat void values as the largest type. 
This fixes passing nil through a structure return value.
 2011-03-03 14:56:21 +09:00
Bill Currie
bad5fddec4 Fix overloaded function resolution. 
Update the expression symbol pointer, not just the symbol name.
 2011-03-03 14:44:48 +09:00
Bill Currie
fff4fc693e Fix value hashing and comparison in switch expressions. 2011-03-03 14:02:18 +09:00
Bill Currie
74e6b13aee Use alias expressions where possible when testing an expression. 2011-03-03 13:47:28 +09:00
Bill Currie
d937172243 Create and use alias operands for alias expressions. 
This avoids the alias expression modifying the operand used in other
expressions.
 2011-03-03 13:46:07 +09:00
Bill Currie
022fde666f Implement unary expression statements. 2011-03-03 13:10:07 +09:00
Bill Currie
45de7327dc Implement alias expressions (finally). 
Alias expressions are like cast expressions, but never do any conversions.
 2011-03-03 11:06:10 +09:00
Bill Currie
848994323e Support enums in expressions that support scalar types. 2011-03-03 10:36:43 +09:00
Bill Currie
c12211d8bb Support enum results for boolean expressions. 
eg enum BOOL x = a && b;
 2011-03-02 22:46:55 +09:00
Bill Currie
c06dd776d2 Fix expression initializers for arrays and structs. 2011-03-02 22:28:17 +09:00
Bill Currie
76f912c7a1 Fix function typedefs. 2011-03-02 22:23:24 +09:00
Bill Currie
aa4ed00090 Fix the message type used to check arguments. 2011-03-02 22:13:16 +09:00
Bill Currie
4a99f8dcbd Write the linker output to progs.dat. 
There is much breakage, but qfcc now produces a progs.dat from either
progs.src or object files. Better yet, the progs.src result is passed
through the linker, removing much duplicate code.
 2011-03-02 20:51:00 +09:00
Bill Currie
29985efcef Expose some linker functions to the rest of the compiler. 
They proved to be useful for cleaning up the final compilation stages.
 2011-03-02 20:48:55 +09:00
Bill Currie
8cdd28f534 Use qfo_to_progs() for dumping qfo data. 
Yay, less duplicate code, and better yet, qfo_to_progs gets some much
needed testing :).
 2011-03-02 19:08:11 +09:00
Bill Currie
ecb995a8f7 Rewrite qfo_to_progs() to go direct from qfo to progs.dat. 
Relocs and debug info is currently broken.
 2011-03-02 19:06:43 +09:00
Bill Currie
824d8bfc3c Remove some now unnecessary functions. 2011-03-02 14:21:20 +09:00
Bill Currie
065d3e0dd7 Partial linking for a single qfo file now seems to work. 2011-03-02 14:03:41 +09:00
Bill Currie
bfeece3255 Fix the bogus declarations of obj_msgSend and obj_msgSend_super. 2011-03-02 12:35:10 +09:00
Bill Currie
fda46a4aca Handle the special defs. 2011-03-02 12:26:53 +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
54317965cc Handle relocs. 
With this, the building of the work qfo seems to be almost finished, just
the special defs to go. Next step will be to stitch all the parts of the
work qfo into a real qfo.

However, still have to fix the relocs for the type descriptors, but they
are not critical to the linker's functioning.
 2011-03-02 11:16:35 +09:00
Bill Currie
8669dc373f Add some documentation. 2011-03-02 11:13:44 +09:00
Bill Currie
65bd215058 Minor rearrangements. 2011-03-01 15:35:14 +09:00
Bill Currie
2cb1c74718 More progress on the linker. 
Need to finish up defs and handle relocs, and then take care of special
defs (@self etc), but things are getting very close.
 2011-03-01 15:18:47 +09:00
Bill Currie
9f126ed805 Add some quick type access macros. 2011-03-01 15:18:12 +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
cce6838e16 Ensure .ctor is declared static. 2011-03-01 11:08:32 +09:00
Bill Currie
c36919aae7 Fix verbosity and diagnostic messages. 2011-03-01 11:08:32 +09:00
Bill Currie
cfff2b1037 Add defs from near and far data spaces. 2011-03-01 10:52:27 +09:00