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2081 commits

Author SHA1 Message Date
Bill Currie
eede83dea1 Avoid crashing when a null class pointer is found. 2011-02-12 22:58:50 +09:00
Bill Currie
3505de6868 Point the near and far data spaced into the merged data space. 
This lets the relocations work on the final data without having to adjust
their locations.
 2011-02-12 22:35:44 +09:00
Bill Currie
181596f5bf Make relocation records store the space of the relocation. 
The space is meaningless for op_* relocations as they are always in the
code space, but def_* relocations need to know which space holds the
location to be adjusted.
 2011-02-12 22:34:38 +09:00
Bill Currie
cfdc2e5d6b Complete the documentation for relocations. 
This covers only in-memory storage of relocation records, not object file
relocations.
 2011-02-12 15:55:58 +09:00
Bill Currie
8c01497936 Give __obj_exec_class a sterner beating. 
When linking a def into a defspace, ensure it can be removed. This fixes
the missing __obj_exec_class def in qwaq.
 2011-02-11 22:29:57 +09:00
Bill Currie
75d90d2f00 Propogate the specifiers through external_decl_list. 2011-02-11 22:29:57 +09:00
Bill Currie
0efc759f2d Catch attempts to create a def with a null type. 2011-02-11 22:29:57 +09:00
Bill Currie
5f3c1872b9 Put class and category reference/name symbols in the symbol table. 
This fixes the undefined defs in qwaq.
 2011-02-11 22:29:57 +09:00
Bill Currie
179c1f7058 Support move statements (structure copy). 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
370f0b97ed Produce cleaner output for a = b op c. 2011-02-11 22:29:57 +09:00
Bill Currie
d93d8d7d46 Remove the dirty hack used for accessing params and the return value. 
Instead of using the equivalent of *(float*)&.return, now use the
equivalent of (float).return. No conversion is done in the "cast".

NOTE: this sort of cast should be separated from normal casts.
 2011-02-11 22:29:38 +09:00
Bill Currie
f5412c2b20 Remove a fixme. 2011-02-11 22:29:38 +09:00
Bill Currie
c185fbb782 Set the type of the super structure to the correct type. 2011-02-11 22:29:38 +09:00
Bill Currie
7d2a95ee40 Mark a few problem spots. 2011-02-11 22:29:37 +09:00
Bill Currie
a1d4d4bae1 Handle block expressions in is_indirect(). 2011-02-11 22:29:30 +09:00
Bill Currie
b01f960db9 Disable the subgraphs for now. 
They tend to make large trees difficult to read. I might re-enable them
when I've gotten a better handle on dot.
 2011-02-10 15:11:08 +09:00
Bill Currie
2617f9e3ed Update for the new syntax. 
With this, qwaq will compile once I sort out the parameters for QC style
functions, and some non-executable warnings. However, as those are
compiler problems, this should be the final qwaq related commit.
 2011-02-10 14:58:59 +09:00
Bill Currie
c3a991e555 Support nil in initializers. 2011-02-10 14:51:52 +09:00
Bill Currie
5a7650e54a Fix a missing return. 
Yay, I've wanted this feature in qfcc for many years :).
 2011-02-10 14:47:24 +09:00
Bill Currie
adeef4a4eb Copy named expressions. 
Since expressions can be modified, making DAGs this early causes
corruption of the expression tree.
 2011-02-10 14:43:49 +09:00
Bill Currie
6f625e426f Use the correct type when deferencing an offset pointer. 2011-02-10 14:26:12 +09:00
Bill Currie
1099ca086c Dump the offending expression and statement for a bad instruction. 2011-02-10 14:25:09 +09:00
Bill Currie
4a41d97afc Angle brackets and html :P 2011-02-10 14:24:31 +09:00
Bill Currie
01a7af17e5 Beat __obj_exec_class into submission. 2011-02-10 00:15:19 +09:00
Bill Currie
006c16807d Add the statement for based loads. 
Oops :P
 2011-02-09 22:40:16 +09:00
Bill Currie
a43946abf3 Give short values special treatment. 
As a short value fits directly into a statement, it needs a fake def that
holds its value in the def's offset in order for the value to be written to
the statement.
 2011-02-09 22:13:43 +09:00
Bill Currie
c7adde8709 Fix some case&paste errors. 2011-02-09 22:04:54 +09:00
Bill Currie
1b8edc07c9 Adjust the offsets of ivars in derived classes. 
As ivar structs are not independent, their starting offset is not
necessarily zero (almost never will be for derived classes).
 2011-02-09 22:02:52 +09:00
Bill Currie
d66a441867 Write out the far data space as well as the near. 
This causes the Objective-QC structs to be emitted now that they havve been
moved to the far data space. Relocs are broken, though.
 2011-02-09 21:45:29 +09:00
Bill Currie
244d969ae3 Ensure any tail bytes in the strings data are zeroed. 2011-02-09 18:32:37 +09:00
Bill Currie
2d5d8eda5a Save the caller's address when creating new relocations. 2011-02-09 17:16:49 +09:00
Bill Currie
29c1f7ac03 Use the correct type object in emit_struct(). 2011-02-09 17:15:29 +09:00
Bill Currie
59a683d39e Protect the name passed into emit_struct(). 
The name passed into emit_struct is sometimes created via va(), but the
struct creation code also uses va. This makes a mess of names.
 2011-02-09 17:12:47 +09:00
Bill Currie
3e1b034aaf Use EMIT_DEF correctly. 2011-02-09 15:58:32 +09:00
Bill Currie
e75295b00c Make normal C style functions generate code. 2011-02-09 10:25:23 +09:00
Bill Currie
68cdc904f5 Give temporary variables unique names. 2011-02-09 10:04:55 +09:00
Bill Currie
681ded9375 Fix debug line number information. 2011-02-09 09:59:43 +09:00
Bill Currie
5eff00fdeb Fix debug information. 2011-02-09 08:47:01 +09:00
Bill Currie
71c05bd899 Update for the new syntax. 
This one compiles to progs even :) (though it looks broken).
 2011-02-08 22:39:42 +09:00
Bill Currie
81125cff3a Creation of .ctor now mostly works. 
There seems to be problems with the actual code generation using incorrect
addresses, but a very simple test file compiles successfully.
 2011-02-08 22:38:34 +09:00
Bill Currie
1647b1e61d Check for the correct type in emit_symtab_cat_def_cnt(). 2011-02-08 22:31:09 +09:00
Bill Currie
9b52c590f8 Do not try to emit anything when there are no selector references. 2011-02-08 22:28:32 +09:00
Bill Currie
da14c95bb8 Initialize current_symtab in class_init() when necessary. 
If an objective-qc symbol is the first token to be read, class_init() is
called before the parser gets a chance to perform the initialization
action. However, class_init() setting current_symtab if the first
objective-qc symbol is seen in a function body would be bad.
 2011-02-08 22:26:35 +09:00
Bill Currie
c01f742b7b Fix some Class vs ClassPtr confusion. 2011-02-08 18:25:23 +09:00
Bill Currie
0d5ab6600d Store the source expression in a statement. 
This makes problem reporting more informative.
 2011-02-08 18:18:34 +09:00
Bill Currie
faab931ffc Fix assignment of id to class pointers. 2011-02-08 17:12:01 +09:00
Bill Currie
6643c5dd98 Fix messages to super. 2011-02-08 17:09:27 +09:00
Bill Currie
505e141633 Ensure the class symbol is in the symbol table. 2011-02-08 17:08:58 +09:00
Bill Currie
93a5808659 Support direct struct/union field access. 2011-02-08 14:48:26 +09:00