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1407 commits

Author SHA1 Message Date
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
Bill Currie
e3325b199e More tests. 2011-02-14 23:10:45 +09:00
Bill Currie
e0d61705b4 And fix build_struct for built-in struct types. 
The previous fix broke builtin structs (eg, @param). Calling find_type()
for built-in structs has proven to be a bad idea :)
 2011-02-13 21:07:22 +09:00
Bill Currie
a19b7ec8f9 Make struct decls actually work. 
find_type() does type comparisons based on tag name for struct/union/enum
but when it returns the previous tag (eg, from "struct foo;") the returned
type has a null symtab pointer, so setting the symtab pointer in the type
before calling find_type() only throws away the symtab. Thus, since
find_type() doesn't check the symtab pointer when comparing the types, set
the symtab pointer after calling find_type().
 2011-02-13 20:56:12 +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
b545f72f93 Report errors for incomplete types and missing fields. 2011-02-13 20:23:08 +09:00
Bill Currie
c336aaeb80 Handle incomplete types gracefully. 2011-02-13 19:26:20 +09:00
Bill Currie
ef32d1fb6d Save away some of my tests. 2011-02-13 19:02:39 +09:00
Bill Currie
976ff8a6bb Allow cast expressions to be lvalues. 
These really need to be alias expressions rather than cast expressions
so the two can be separated as cast expressions should not be lvalues.
 2011-02-13 17:54:15 +09:00
Bill Currie
fa742ceed6 Handle @self and @this correctly. 2011-02-13 17:52:19 +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
8a314e9e87 Class pointers need to be directly addressable. 2011-02-13 16:05:50 +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
3f690eacb1 Fix another double insertion of a symbol. 2011-02-13 15:28:49 +09:00
Bill Currie
127a1c8772 Fix the creation of enum values. 2011-02-13 15:19:55 +09:00
Bill Currie
f24de89a2a Handle type-modified constants. 
The fix for pointers broke constants (particularly, enums). Oops.
 2011-02-13 14:13:32 +09:00
Bill Currie
fa6b8d773c Correctly emit class and category symtab references. 2011-02-13 13:21:00 +09:00
Bill Currie
c4f364fd37 Emit pointers properly. 
Rename ReuseConstant to emit_value and use emit_value to emit any non-short
constant. This fixes the null pointer in the call to __obj_exec_class.
 2011-02-13 10:09:42 +09:00
Bill Currie
1bcf434b20 Move _OBJ_MODULE to the far data space. 2011-02-12 23:00:04 +09:00
Bill Currie
d42a379924 Dump the contents of a pointer def. 2011-02-12 22:59:29 +09:00
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
c3a991e555 Support nil in initializers. 2011-02-10 14:51:52 +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