Commit graph

2751 commits

Author SHA1 Message Date
Bill Currie
6ff2644ab5 Fix simple pointer dereferences.
It turns out no code was being generated for x = *y. Ouch. I suspect I need
to take a better look at expr_deref at some time in the not too distant
future.

Conflicts:
	tools/qfcc/source/statements.c
2012-11-09 12:32:35 +09:00
Bill Currie
7a2f7e8982 Add some safety checks to progs global dumping.
Getting segfaults in the debug tools is not fun :P

Conflicts:
	tools/qfcc/source/dump_globals.c
2012-11-09 12:30:14 +09:00
Bill Currie
cc24e2e67e Initialize global string vars correctly.
Ouch, I'd fixed that for arrays, but not normal vars.
2012-11-09 12:23:04 +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
48fe9f729d Add partial support for pointer arithmetic.
Only pointer +/- integral is supported. pointer - pointer will come later.
2012-11-09 12:21:45 +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
4ef4711c3b Make the type encodings findable.
The base of the type encodings block is given by the .type_encodings def.
The block begins with a "null" type (4 words of 0), followed by the first
type encoding.

At some stage, I will need to add information for extended def information
(32 bit offset, type encoding, other?), but this is good for initial
testing.
2012-11-09 11:43:19 +09:00
Bill Currie
1d060d1ac1 Quote string values when dumping globals.
Much nicer :)
2012-11-08 21:13:24 +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
950a3aa83d Avoid infinite recursion when encoding struct types.
Structures (especially hard-coded ones) can be really nasty as they can
refer to themselves. Avoid the recursion by setting the type_def field of
the type before doing the recursive encodings in the structure encoder.
2012-11-08 17:06:38 +09:00
Bill Currie
7a25283beb Clear out the type encoding def from all types.
The encodings of static types were getting corrupted because their defs
were not necessarily in the same places between compilations when compiling
multiple files.
2012-11-08 17:06:38 +09:00
Bill Currie
a3a22f2a1b Add the ability to dump qfo type encoding. 2012-11-08 17:06:38 +09:00
Bill Currie
09d1cd61f3 Don't convert a qfo to progs unnecessarily.
This avoids segfaults on reloctions for external defs.
2012-11-08 17:06:29 +09:00
Bill Currie
61ef901254 Tweak some FIXMEs. 2012-11-08 17:03:02 +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
ea34a5b753 Fix some nasty memory errors.
Three cheers for valgrind!!!
2012-11-01 20:53:28 +09:00
Bill Currie
5c79953a7e Put quotes around strings for statement operands.
This makes reading output a bit easier (especially if the string is empty
or just whitespace).
2012-10-30 12:31:28 +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
f680521e0f Escape unprintable chars. 2012-10-27 11:45:51 +09:00
Bill Currie
ec42bde527 Make hash tables more const correct.
And clean up the resulting mess :/
2012-10-27 11:44:31 +09:00
Bill Currie
034139b806 Move some code around so it's more accessible. 2012-10-27 11:43:29 +09:00
Bill Currie
7519ec7bbd Fix the bogus missing return warning.
Pascal's return mechanism is such that void return is always used.
2012-10-26 20:11:38 +09:00
Bill Currie
3f351a5c88 Fix a printf format goof.
Forgot to compile test :/
2012-10-26 19:38:59 +09:00
Bill Currie
52b9721027 Add the COMMA token to the pascal parser.
I guess I forgot I needed to keep token numbers in sync between pascal and
qc/ruamoko.
2012-10-26 19:06:10 +09:00
Bill Currie
72045f1a5b Delay storage setting for pascal functions.
The function def must not be local. This fixes the null function call in
gcd.pas.
2012-10-26 19:03:00 +09:00
Bill Currie
27b83a8d65 Clean up all extra aborts, using internal_error instead.
Some internal_error calls have no message, but at least things will be more
consistent.
2012-10-26 19:02:02 +09:00
Bill Currie
5530e84ada Call find_type for pascal functions/procedures.
The result of parse_params needs to be passed through find_type before
actually being used. I guess I'd missed this back when I got things working
for qc.
2012-10-26 16:20:57 +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
50b22ab163 Fix a rather silly snafu with smart-leak.
I blame this fever :P

Now smart-leak actually makes sense.
2012-09-18 07:48:39 +09:00
Bill Currie
45fd312133 Merge branch 'master' into mapedit 2012-09-17 07:52:42 +09:00
Bill Currie
156f3382a5 Emit the points in the expected order.
Associating p1 with n2 and p2 with n1 was a bit confusing. Makes for a
more-sensible points output file, too.
2012-09-16 13:51:42 +09:00
Bill Currie
0ed535214e Import leak points files. 2012-09-16 12:57:17 +09:00
Bill Currie
d6476d4f93 Make some improvements to the leak files.
smart leak files now produce many points, not just one per portal. Normal
leak files now center the trail on the portal (instead of some weird
weighted average).
2012-09-16 12:38:55 +09:00
Bill Currie
4fc9316320 Add very preliminary support for map exporting.
There is no error checking, texture alignment or support for non-point
lights, but it's a start. Also, it's assumed all brushes are convex and
manifold.
2012-09-16 10:59:47 +09:00
Bill Currie
6b8df7f42a Give EntityClassDict mapping access functions.
They just redirect to the actual entity class dictionary, but it saves a
lot of unnecessary code elsewhere.
2012-09-16 10:55:06 +09:00
Bill Currie
8416276cee Remove a debug print. 2012-09-13 18:14:29 +09:00
Bill Currie
2760055a0f Try to speed up entity relationship drawing a little. 2012-09-13 13:14:32 +09:00
Bill Currie
559add50cb Fix some snafus. 2012-09-13 12:22:05 +09:00
Bill Currie
f18a926616 Add support for RMQs QUAKED comments.
RMQ just leaves out the entity size instead of using ? for brush entities.
2012-09-13 12:21:06 +09:00
Bill Currie
225cb4b364 Create an idquake character encoding.
It just does a 1:1 charmap conversion of quake text, purely to allow python
to read arbitrary qc code.
2012-09-13 12:19:26 +09:00
Bill Currie
bcda96a445 Report the source line of the entity in messages.
For now, just when PrintEntity is used to print the message, but having the
first line of the entity sure makes life easier.
2012-09-12 08:33:44 +09:00
Bill Currie
db25d5597d Handle quest format brushes.
Bah, I forgot I needed to fix the vertex count parsing when I did the
script lexing change.
2012-09-12 08:24:17 +09:00
Bill Currie
b764cad483 Add buttons to re-scan or re-parse entity class data. 2012-09-12 08:14:10 +09:00
Bill Currie
592222aba8 Don't attempt to draw a connecting line to a missing target. 2012-09-11 15:01:43 +09:00
Bill Currie
154d08a9c7 Gracefully handle unknown entity classes.
Unfortunately, the classname gets lost to blender at this stage, but I have
an idea for how to handle that.
2012-09-11 14:58:56 +09:00
Bill Currie
54832740c8 Gracefully handle missing textures.
The texinfo still gets a material, but just an untextured one. The idea is
such textures can be fixed up at a later date.
2012-09-11 14:57:24 +09:00
Bill Currie
41004fd7c2 Remove specularity from the brush materials.
Specularity looks ghastly when there's nothing for it to highlight.
2012-09-10 19:24:47 +09:00
Bill Currie
7204f8d90d Minor robustness improvements to map importing.
Allow map parse errors to be reported propertly (the raise was for
debugging) and give up gracefully when the wad file can't be found.
2012-09-10 19:23:15 +09:00
Bill Currie
995547ae6f Display a message for entity class parsing errors.
It's hacky, but at least something shows up.
2012-09-10 16:14:32 +09:00
Bill Currie
25e545616a Create EntityClassError exception.
Much more useful than Python's SyntaxError (and much less confusing).
2012-09-10 15:57:50 +09:00
Bill Currie
ae942afe5c Bind map_error to the script object.
This works much better :)
2012-09-10 14:59:43 +09:00
Bill Currie
f525be0880 Implement Script.error properly.
It's not good to get an attirbute error when trying to raise another error.
2012-09-10 14:58:41 +09:00
Bill Currie
dade60863e Move the entity class comment into its own box.
Blender doesn't support multiline text or word wrapping, so the tooltips
were rather ugly. The double spacing used by layout.label() is still a
little ugly, but the resulting text box just below the entity classname is
much more usable.
2012-09-10 13:19:38 +09:00
Bill Currie
198a49dfdf Ensure all files have the gpl block. 2012-09-10 12:40:55 +09:00
Bill Currie
a75fe213a6 Make entity lines post rather than pre.
I'm not sure what visual difference it makes, but it is pretty much what
I'd intended in the first place.
2012-09-10 12:16:23 +09:00
Bill Currie
2905cb69bc Add entity relation lines.
It has many problems (eg, the lines won't update when target/targetname
change), but the basics are working.
2012-09-10 11:48:22 +09:00
Bill Currie
9dc1039686 Fix map parsing for quest format maps.
Bah, the one place a single char lex is needed :P
2012-09-10 08:08:37 +09:00
Bill Currie
da6f57a23b Get entity field key/value pair editing working. 2012-09-10 08:08:11 +09:00
Bill Currie
ea541b325d Set the map parser scripts to not lex single chars.
qbsp treats {foo as one token, not two.
2012-09-09 17:23:55 +09:00
Bill Currie
c8be8c242a Don't use any single chars for maps.
The standard map format (original qbsp) doesn't use them.
2012-09-09 17:13:10 +09:00
Bill Currie
0c2818c038 Ensure the texture scaling is never 0. 2012-09-09 17:12:45 +09:00
Bill Currie
73cdd66c52 Set the entity properties as parsed from the map. 2012-09-09 17:11:57 +09:00
Bill Currie
825ce0dad6 Make the type of EntityClass.flagnames consistent.
Sometimes list and sometimes tuple makes for a mess.
2012-09-09 17:01:23 +09:00
Bill Currie
709ab05713 Add preliminary support for entity properties.
Only classname and flags are supported right now, and only classname gets
set when the entity is added (via the add menu).
2012-09-09 13:22:52 +09:00
Bill Currie
468f96902f Use a tetrahedron for the default brush entity.
It seems to be a reasonable shape to show that editing is needed.
2012-09-09 11:10:03 +09:00
Bill Currie
18fcdb0ce7 Implement the add_entity operator.
Doesn't work for brush entities yet.
2012-09-09 10:29:43 +09:00
Bill Currie
fde8d29899 Use icons to distinquish brush ents from others.
Mesh-data icons indicate brush entities, object-data icons indicate the
others.
2012-09-09 09:29:55 +09:00
Bill Currie
06fd951a55 Build the add entity menu tree.
The menu tree is built from the parsed entity classes, with _ forming the
separator between menu levels.
2012-09-09 08:54:41 +09:00
Bill Currie
a37c5465e1 First step for BSP2 support. DOES NOT WORK!
All of the nastiness is hidden in bspfile.c (including the old bsp29
specific data types). However, the conversions between bsp29 and bsp2 are
implemented but not yet hooked up properly. This commit just gets the data
structures in place and the obvious changes necessary to the rest of the
engine to get it to compile, plus a few obvious "make it work" changes.
2012-09-07 16:09:24 +09:00
Bill Currie
395a0eef78 Don't use targetname for entity names.
Proves to be rather non-useful (at this stage, anyway)
2012-09-04 20:29:00 +09:00
Bill Currie
1993ee8352 Remove some debug prints. 2012-09-04 19:40:07 +09:00
Bill Currie
af37ae438e Fix the incorrectly rotated textures.
map uses degrees, blender uses radians. oops.
2012-09-04 19:39:10 +09:00
Bill Currie
7feec96b8d Texture the world :)
Such a simple statement for a sizable hunk of work.
2012-09-04 17:04:30 +09:00
Bill Currie
b29f24e6d3 Add a wadpath scene property and load the wad files. 2012-09-04 17:04:00 +09:00
Bill Currie
95e2a5b21a Pre-process texture defs.
The st-vectors are now fully calculated as per qfbsp's algorithm.
The Texinfo class tries to create unique texture defintions.
2012-09-04 16:59:02 +09:00
Bill Currie
446016e84e Make wad contents searches case-insensitive. 2012-09-04 16:58:19 +09:00
Bill Currie
8587079c0d Fix a case&paste error. 2012-09-04 11:59:04 +09:00
Bill Currie
38facac7ce Add a very simple wad reader.
It supports only MipTex data (for automatic data conversion), and it's very
fragile, but it will do for now.
2012-09-03 19:37:04 +09:00
Bill Currie
125952d17d Un-hardcode the light distance. 2012-09-03 14:34:27 +09:00
Bill Currie
dfaf28001a Create colored boxes for sized entity classes.
The data is taken from the parsed entity class data. No error checking is
done yet.
2012-09-03 14:33:32 +09:00
Bill Currie
16952ffbbb Support loading entity class data into blender.
The qc source path is specified via the dirpath property in the QF Entity
Classes panel of the scene data. The scanned entity classes are stored in a
plist in a blender text file for persistent storage (so the directory
doesn't need to be scanned every time). Also, so the data doesn't have to
be parsed every time, the data is stored in a normal python class hanging
off the properties class (evil hack?).
2012-09-03 13:38:28 +09:00
Bill Currie
3cad0f978b Revamp entity class loading for blender integration.
Slightly cleaner EntityClass building, and now the directory scanner is
part of the EntityClassDict class, which also supports reading/writing
plists (for persistent storage in blender).
2012-09-03 13:35:18 +09:00
Bill Currie
b3e5083f60 Add a symlink to io_mesh_qfmdl's qfplist.py
The map editor addon needs to use it too, but I don't want to duplicate the
file in git.
2012-09-03 13:33:59 +09:00
Bill Currie
c08fd08025 Write empty array and dictionary items on one line.
Makes for slightly tidier plist text.
2012-08-31 16:14:49 +09:00
Bill Currie
43abf8e3df Support writing int and float items to a plist.
They are written as normal string items, so anything using the plist later
on will need to know the context, but at least now there's no need to first
convert int or float data to strings before writing a plist.
2012-08-31 16:10:30 +09:00
Bill Currie
2b55687aa5 Correct a missed function rename.
Serves me right for not testing properly :P
2012-08-31 15:54:26 +09:00
Bill Currie
ffcd78bc28 Add other entities as empties.
For now until I get entity class data importing sorted out. The empties are
set to display as size 8 cubes (+/-8bu).
2012-08-30 19:56:08 +09:00
Bill Currie
4b5242104a Add lights from the map to the scene.
Only the very basics are done at this stage, but things look reasonable.
The lamp energy might need tweaking.
2012-08-30 17:34:05 +09:00
Bill Currie
5d2b2639d0 Generate geometry for entities with brushes. 2012-08-30 14:50:19 +09:00
Bill Currie
15a906aadb Get map parsing pretty much working.
No geometry is created yet.
Both id and quest formats are supported.
e1m1.map parses in less than two seconds on my system.
2012-08-30 13:19:30 +09:00
Bill Currie
97c99de581 Create the entity class scanner.
It recursivly scans the QC source tree looking for QUAKED comments and
builds a dictionary of the found entity classes.
2012-08-29 15:43:53 +09:00
Bill Currie
08d7131c1b Create a python version of QF's script parser.
It's error handling is bogus, but it works for good input :)
2012-08-29 14:55:11 +09:00
Bill Currie
365f20bb95 Make the ps3 cross-build self-contained.
More or less.

This is a bit of an experiment (which seems to work nicely) in that qfcc
and pak are build natively in one build tree, then the full system is
cross-built in another tree using the natively build qfcc and pak. Both
trees are created by cross-configure.sh as sub-directories of the current
directory. However, cross-configure.sh still assumes it is being run in a
subdirectory of the main quakeforge directory.

cross-make.sh checks if the native tree is in the current directory and if
so, builds it, otherwise it just runs make for the cross-build tree (this
allows for running cross-make in a sub-directory for things like sorting
out build issues).
2012-08-20 10:56:09 +09:00
Bill Currie
0976ff8582 Nuke mentions of HOST_CC.
CC_FOR_BUILD is the recommended name these days (HOST_CC was from an old
gcc version, and is confusing anyway). Also, CC_FOR_BUILD should be set by
configure.
2012-08-20 10:51:46 +09:00
Bill Currie
a2f2d4d949 "Check" for the availability of pthreads.
Unfortunately, just because the header is there doesn't mean anything will
actually work :(. Also, the check is based on the host vendor/os for now.
Yes, it's rather lame but it will do for now.

With this, QF will build on an almost fresh ps3toolchain install. Only two
"fixes" are needed:
 o  In $PS3DEV/ppu/powerpc64-ps3-elf: ln -s ../include sys-include
 o  libsamplerate cross-built and installed.
2012-08-19 13:40:42 +09:00
Bill Currie
9bfcdad35a Fix some type-size safety issues.
Expecting int to be 32 bits is a little dangerous, and the function
versions of swap/noswap should be unsigned rather than signed.
2012-08-19 13:37:06 +09:00
Bill Currie
358ea4ef9a Fall back to execve/wait when execvp and waitpid are unavailable. 2012-08-19 13:18:38 +09:00
Bill Currie
5684347088 Some fixes for mingw cross-builds.
The fixes came to light while getting ps3toolchain cross-building working.
2012-08-18 22:12:02 +09:00
Bill Currie
cd1e3e5b6f Cross configure/make scripts for ps3toolchain based builds. 2012-08-18 21:33:58 +09:00
Bill Currie
af0db29981 Add support for meshes with multiple UV maps.
One common use for a mesh having multiple UV maps is when combining several
mesh objects into one: the base UV map is the result of joining the meshes
(and will be a right mess of overlapping UV islands), but an additional UV
map is then setup as a copy of the first but with the islands re-packed so
nothing overlaps. The export script now searches for the active UV map and
uses that for both UV coordinates and the skin texture (when none is
specified).
2012-08-12 13:38:12 +09:00
Bill Currie
971e689d3d Fix a slew of whitespace issues. 2012-08-07 13:25:44 +09:00
Bill Currie
a3c8209bdf Handle missing frame information a little more usefully.
If there's no export script, or the export script has no frame information,
animation data will be collected by running through blender frames 1 to the
current frame (inclusive). Each frame will be exported as a single frame
rather than as members of a frame group.
2012-08-07 13:23:19 +09:00
Bill Currie
39b2e80207 Optionally apply the object's transform to the mesh.
The default is to apply.
2012-08-07 11:49:08 +09:00
Bill Currie
634b3b043d Export non-triangular faces as triangle clusters.
It turns out this behavior is preferable (by at least one artist, anyway).
2012-08-07 10:49:32 +09:00
Bill Currie
a4da11cdb5 Correctly handle multiple vertices sharing a UV coordinate.
Need to use both UV coordinate and vertex index to find unique
combinations. This should fix leileilol's broken meshes.
2012-08-07 10:26:35 +09:00
Bill Currie
78bfd30648 Export vertex normals.
I'd forgotten I hadn't implemented exporting vertex normals. While I've
modified things for making better use of blender's tools and avoiding the
unnecessary use of objects, the code is taken from the ajmdl blender 2.4
export script.
2012-08-07 09:52:47 +09:00
Bill Currie
5661e738ac Actually return the skin in null_skin()
Oops.
2012-08-07 09:50:38 +09:00
Bill Currie
ff4c2cfb63 Add a todo list for the mdl addon. 2012-08-06 22:34:19 +09:00
Bill Currie
0e7e45b91d Redo the io_mesh_qfmdl packaging.
It is cross-platform, after all.
2012-07-17 17:30:16 +09:00
Bill Currie
fa61d2def7 Delete old io_mesh_qfmdl zips too. 2012-07-17 17:21:56 +09:00
Bill Currie
087908adcd Link in the keys progs builtins. 2012-07-15 07:39:50 +09:00
Bill Currie
97c87cf996 Initial checkin of the qwaq mini-engine. 2012-07-15 07:39:50 +09:00
Bill Currie
b6125276e4 Fix the mis-handling of the progs.dat line in preprogs.src
Gah, must have lost a line at some stage. Also, handle line number
directives.
2012-07-14 19:01:47 +09:00
Bill Currie
7444371162 Disable bolding for special chars.
If an escape sequence is used to access a char, the the programmer probably
wanted that char, regardless of the current bolding mode.
2012-07-14 17:47:34 +09:00
Bill Currie
3b8141691e Fix a bunch of continue vs break issues. 2012-07-14 17:26:13 +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
4055d9a435 Add support for \s escapes to qfcc.
I guess \s is an fteqcc extention for toggling bold characters. At the
request of freewill.
2012-07-14 11:47:26 +09:00
Bill Currie
e657390ab5 Undo a mv -> cp change.
Turns out it wasn't quite what I thought it was. *shrug* :)
2012-07-13 18:14:50 +09:00
Bill Currie
fe26a55cc4 Package the mdl import/export addon. 2012-07-13 17:03:11 +09:00
Bill Currie
1100596431 Include the mdl import/export addon in the distribution.
A tad embarrasing...
2012-07-13 07:59:50 +09:00
Bill Currie
f467e2de54 Use sed's in-place option. 2012-07-11 13:38:27 +09:00
Bill Currie
7573c38122 Create qfspritegen based on id's sprgen.
No guarantees it works, but it should be able to convert a bunch of pcx
images into a sprite.
2012-06-30 20:20:15 +09:00
Bill Currie
0d9d777086 Fix Win32 package building for recent changes. 2012-06-29 11:15:11 +09:00
Bill Currie
dbc203b625 And a few more bits of whitespace. 2012-05-23 08:21:27 +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
0036a5e113 Ensure edict_size is never 0.
Avoids division by / in NUM_FOR_EDICT
2012-05-06 21:35:42 +09:00
Bill Currie
1dd5cccda2 Correct some more error messages. 2012-05-06 18:52:05 +09:00
Bill Currie
a0788c6cdf Implement constant folding for unary operators.
Including conversions between float and int :)
2012-05-06 18:49:07 +09:00
Bill Currie
f781e9078c Correct some typos in error messages. 2012-05-06 18:43:18 +09:00
Bill Currie
954e03c3f7 Report the correct function name for the largest locals.
I must have been tired when I adapted that code.

* taniwha dons brown paper bag
2012-05-06 13:02:11 +09:00
Bill Currie
55ecf94f2d Don't draw arrows leaving return statements.
Return statements never flow to the next block (or any other block, for
that matter), so drawing arrows leaving them not only messes up dot's
graphs, but is quite missleading.
2012-05-05 18:04:10 +09:00
Bill Currie
56410ddc58 Prevent merged if/goto losing its way.
When mering if/goto (ie, if skipping a goto), the rest of the dead code
remover is used to delete the goto. That part of the code unuses the goto's
label. The if was getting the goto's label without the lable's used count
being incremented (the usaged temporarily increases by one). I have no idea
why the problem showed up randomly, but this seems to fix it (it fixes /a/
bug, anyway).
2012-05-04 22:35:20 +09:00
Bill Currie
953e789db2 Handle movement of the final block.
Moving a final block caused segfaults and weird flow graph corruptions.
2012-05-04 19:48:32 +09:00
Bill Currie
e8c17c68e6 Fix a segfault when the switch expression errors. 2012-05-04 18:13:11 +09:00
Bill Currie
5df25133b3 Implement code movement for unconditional jumps.
That is, when the destination of the jump is reachable via only the jump.
2012-05-04 18:00:05 +09:00
Bill Currie
33bfac0508 Process all basic blocks for jump threading.
I'd copied the for loop from the dead block removal code, but jump
threading doesn't need to look at the following block...
2012-05-04 14:10:30 +09:00
Bill Currie
f169a7732d Factor out label unuse.
I expect to need this more often in the future.
2012-05-04 14:01:39 +09:00
Bill Currie
d2da3b8246 Update old test for new syntax. 2012-05-04 11:04:58 +09:00
Bill Currie
75aa28cfac Mark all subsequent blocks as reachable after if/goto merge.
If an if/goto merge is done in the first dead block pass, no blocks after
the merge have their rechable flag set because they've never been tested.
2012-05-04 10:58:18 +09:00
Bill Currie
8ddd58f951 Fix the dropping of the block after the merged if/goto.
The naive implementation of the if/goto merging was letting the old target
of the if get dropped because the block would lose its label and thus be
judged unreachable because the preceeding goto block was still in the list.
Instead, when the if/goto are "merged", mark the goto block as unreachable,
the following block as reachable, and break out of the analysis loop to
force the removal of the goto block. Since the dead block removal function
loops until no action is taken, all other dead blocks will be removed.
2012-05-04 10:07:55 +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
3da44ace52 Merge if and goto blocks when if only skips over the goto. 2012-05-03 22:21:32 +09:00
Bill Currie
6afdfb5fac Unuse label expressions that are no longer necessary. 2012-05-03 22:20:00 +09:00
Bill Currie
402a578bf8 Add some more helper functions.
Things were getting messy with the strcmps.
2012-05-03 22:17:23 +09:00
Bill Currie
88bed3644e Rename some helper functions. 2012-05-03 22:11:52 +09:00
Bill Currie
159f1bafea Add a little more info to statement flow diagrams.
The relative block number and the label user count are printed now.
2012-05-03 22:09:49 +09:00
Bill Currie
6900907129 Remove dead labels when jump threading.
This lets the dead block removal do a better job.
2012-05-03 19:32:44 +09:00