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487 commits

Author SHA1 Message Date
Bill Currie
7853bf1859 Calculate a node's successors and predecessors. 
The dot graphs are a little odd (arrow heads on the wrong end of the
predecessor edges), but things seem to be correct.
 2012-11-15 13:44:06 +09:00
Bill Currie
739ebc522c Begin working on flow analysis. 
For now, variable and flow graph node maps are built.
 2012-11-15 13:44:06 +09:00
Bill Currie
f30010b367 Add some docs to function.h 2012-11-15 13:44:06 +09:00
Bill Currie
cdc790d0c8 Add a set type and support code. 2012-11-15 13:44:06 +09:00
Bill Currie
dc9d2a982e Make the returned dag a linked list of root-nodes. 
A dag can have mulitple "root" nodes (ie, nodes with no parents).
 2012-11-15 13:44:06 +09:00
Bill Currie
a22260030a Use value for pointer operands. 
This allows daglabels on pointer operands without a redundant daglabel
pointer.
 2012-11-15 13:44:06 +09:00
Bill Currie
0c58cd9067 Generate only one daglabel for value operands. 
As each value is now unique, their labels can also be unique, which will
improve CSE.
 2012-11-15 13:44:06 +09:00
Bill Currie
0ccf4093e4 Handle attached identifier labels correctly. 
I'd forgotten I had the prev field. Makes for much cleaner code.
 2012-11-15 13:44:06 +09:00
Bill Currie
28ce35f1c1 Make values independent objects. 
values are now uniquely allocated (for the current object file). With
this, constants in dags will work.
 2012-11-15 13:44:06 +09:00
Bill Currie
dbf1aa8f72 Attach dags to statement blocks. 
Now, if a dag is attached to a statement block, it will be included in the
flowgraph with that statement block.
 2012-11-15 13:44:06 +09:00
Bill Currie
d9354255a3 Avoid double-printing dag nodes. 2012-11-15 13:44:05 +09:00
Bill Currie
7b2e426545 Support temp operands in dags. 2012-11-15 13:44:05 +09:00
Bill Currie
8015e1b1e9 Put the dags stuff into a qfcc sub-section. 
Not much point writting docs if they can't be found.
 2012-11-15 13:44:05 +09:00
Bill Currie
aa2943709e Start work on building dags from basic blocks. 
Doesn't compile and the design is in flux anyway, but I want to get back to
iqm.
 2012-11-15 13:44:05 +09:00
Bill Currie
60108c688c Change dags from binary to trinary. 
I'd forgotten some instructions take three inputs that can benefit from
CSE.
 2012-11-15 13:44:05 +09:00
Bill Currie
0fefeb73fe Initial support for basic block dags. 
Currently, only dumping to dot, but that seems to be a very sensible place
to start: debug support.
 2012-11-15 13:44:05 +09:00
Bill Currie
d5c831b6da Add a little test case for accessing types. 
Using ruamoko to access ruamoko type encodings is actually quite pleasant
:)
 2012-11-15 13:40:11 +09:00
Bill Currie
552142497e Support progs.dat when dumping type encodings. 
Knock up a quick and dirty progs-to-qfo "converter" (strings and types
only) to re-use the qfo types dumper.
 2012-11-15 11:58:13 +09:00
Bill Currie
9691b50f0f Make .type_encodings more useful. 
Rather than just a pointer, it is now a struct with a pointer and size
indicating the extent of the type encodings block.
 2012-11-15 11:57:16 +09:00
Bill Currie
453ac11bc3 Correct some comments. 2012-11-14 17:13:14 +09:00
Bill Currie
e05c12e16d Make linker_add_def take a pointer for the value. 
While it looks like I might not use it for the type encodings, it should be
useful in the future.
 2012-11-14 13:12:58 +09:00
Bill Currie
5b7b49b100 Add a QFO_TYPE macro to get a qfot_type_t pointer. 
In the end, it wasn't used, but it could be handy in the future.
 2012-11-13 21:45:54 +09:00
Bill Currie
93b007b1f8 Take care of relocs when defining external defs. 
For most of the cases, some relocs may have been lost, but they were
certainly lost for type encodings. Now that all seems to be fixed.
 2012-11-12 16:14:09 +09:00
Bill Currie
c96718493a A bit of a cleanup before fixing class type defs. 
All internal structs now have "proper" names, and fit the naming convention
(eg, obj_module (like objective-c's types, but obj instead of objc). Some
redundant types got removed (holdovers from before proper struct tag
handling).

Also, it has proven to be unnecessary to build internal classes, so
make_class and make_class_struct are gone, too.
 2012-11-12 11:12:33 +09:00
Bill Currie
d13ce81b4f Ensure the type's encoding string is valid. 
When encoding a type to a qfo file, the type's encoding string is written
and thus needs to be valid prior to actually doing the encoding. The
problem occurs mostly in self-referential structs (particularly, obj_class)
because the struct is being encoded prior to the pointer to the struct.
 2012-11-11 20:22:48 +09:00
Bill Currie
86091856be Revamp the static class creation. 
Type names are cleaned up, as is the creation. Also, the class pointer in
the type encoding now gets emitted. However, Still need to actually create
_OBJ_CLASS_Class and fix the type encoding reloc handling in the linker.
 2012-11-10 12:56:19 +09:00
Bill Currie
9095e1eabc Rework build_switch to use initialize_def. 
This required support for label reference expressions, whose purpose is to
represent the address of a label.
 2012-11-09 12:22:34 +09:00
Bill Currie
afbab60c25 Create linker_find_def. 
It turns out I didn't need it, but it could be useful in the future, so
I'll leave it in.
 2012-11-09 11:57:06 +09:00
Bill Currie
eb86a66ce5 Do some class object type renaming. 
type_object -> type_obj_object
type_Class -> type_obj_class
type_ClassPtr -> type_Class

In the process, one more FIXME is gone :)
 2012-11-08 20:58:48 +09:00
Bill Currie
377f8f9d56 Use an explicit flag for class initialization. 
Much cleaner than messing with class_Class, which is about to go away.
 2012-11-08 17:14:33 +09:00
Bill Currie
7e293a38e8 Check for double-chaining of types. 
Chaining a type twice will form a loop in the type list, causing find_type
to go into an infinite loop.
 2012-11-08 17:14:33 +09:00
Bill Currie
a3a22f2a1b Add the ability to dump qfo type encoding. 2012-11-08 17:06:38 +09:00
Bill Currie
ed4018fd8d Clear out the function overloading tables between compiles. 
Fixes some issues with multiple compiles (especially mixed languages!).
 2012-11-01 20:53:33 +09:00
Bill Currie
f8bdd909cc Separate out C and html quoting into separate functions. 
Dot sometimes wants normal C quotes, othertimes html. Quite annoying,
really, but this is cleaner anyway.
 2012-10-30 12:31:22 +09:00
Bill Currie
034139b806 Move some code around so it's more accessible. 2012-10-27 11:43:29 +09:00
Bill Currie
144387c3e3 Add shared.h to the dist files. 2012-10-26 16:16:46 +09:00
Bill Currie
f14d8060e0 Merge qfpc into qfcc. 
Since gnu bison and flex are required anyway, no harm in using their api
prefix options. Now, qfcc can compile both QC/Ruamoko and Pascal files
(Pascal is (currently?) NOT supported in progs.src mode), selecting the
language based on the extension: .r, .qc and .c select QC/Ruamoko, .pas and
.p select Pascal, while anything else is treated as an object file (as
before).
 2012-10-26 16:01:41 +09:00
Bill Currie
1364bff91b Add an extended mode to qfcc. 
Extended mode allows extra keywords (switch, for, etc) that are compatible
with v6 progs.
 2012-07-14 17:16:33 +09:00
Bill Currie
23a38738fc Massive whitespace cleanup. 
Lots of trailing whitespace and otherwise blank lines.
 2012-05-22 08:23:22 +09:00
Bill Currie
e866619de6 Output basic block flow diagrams to files. 
The output can be controlled via --block-dot (not yet documented). The
files a named <sourcefile>.<function>.<stage>.dot. Currently, stage will be
one of "initial" (after expression to statement conversion), "thread"
(after jump threading), "dead" (after dead block removal), "final" (final
state before actual code emission).
 2012-05-04 09:45:51 +09:00
Bill Currie
5f676c367f Add a non-error diagnostic that can't be silenced. 
It is inteded for flagging buggy conditions in the compiler, particularly
after having fixed the original bug (in case something comes back from the
dead).
 2012-05-03 13:24:24 +09:00
Bill Currie
cb8fe4eb38 Correct a "spelling" error. 2012-05-03 11:54:36 +09:00
Bill Currie
e267e0a664 Allow control of progdefs.h CRC writing. 
CRC writing defaults to off for non-v6 progs, but on for v6 progs. The
--progdefs option forces CRC writing.
 2012-05-03 00:22:24 +09:00
Bill Currie
bc1b483525 Nuke the rcsid stuff. 
It's pretty useless in git.
 2012-04-22 10:56:32 +09:00
Bill Currie
c8163fc0de Add an option to prevent the use of default paths. 
Despair has things locked down such that running qfcc during a build fails
due to lack of read access to /usr/local/lib. This is actually a good
thing as accidentally hitting old includes/libs (when a file gets deleted
in the tree) hides bugs. Thus, --no-default-paths to turn off default
search paths.
 2012-01-04 13:53:04 +09:00
Bill Currie
d910c14935 Clean up some doxygen warnings. 2011-07-10 19:12:07 +09:00
Bill Currie
55cc0f9206 Bring back the unsigned type (PROGS version bump) 
This is only low-level support (the unsigned keyword still does not work),
but sufficient to make switch statements using jump tables work.
 2011-04-09 10:07:47 +09:00
Bill Currie
c4a398850a Fix defs as constants for vectors and quaternions. 2011-04-04 21:31:59 +09:00
Bill Currie
8d3508cf20 Allocate space for temp defs using size rather than type. 
Statement operands throw away the high level type information, so store
type size in the operand and use this size for allocating space for temps
rather than using the low-level type.
 2011-03-23 21:32:14 +09:00
Bill Currie
9b62c8c126 Rename ty_type_e to ty_meta_e and type_t.ty to type_t.meta 2011-03-22 16:06:47 +09:00