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2202 commits

Author SHA1 Message Date
Bill Currie
5374798ef9 Fix order of operations for implicit casts 2020-02-23 23:18:31 +09:00
Bill Currie
05f6ddbb13 Print promoted warnings as errors 
This makes it much easier to see why a compilation failed when only
warnings are visible.
 2020-02-23 23:10:56 +09:00
Bill Currie
526c27cf03 Handle implicit casts for double/float comparisons 2020-02-23 23:10:10 +09:00
Bill Currie
607fd2e30e Allow constant initialized globals in advanced code 
Use -C const-initializers to enable (or no-const-initializers to disable
in traditional/extended code).
 2020-02-23 22:51:00 +09:00
Bill Currie
e23aa40994 Implicitly cast unadorned floating point constants 
Floating point constants without f or d adornments will automatically
cast, without warnings, to the type appropriate to the rest of the
expression.
 2020-02-23 22:28:54 +09:00
Bill Currie
ea3af84baa Fix ICE when const-folding doubles 
I really need to rework that system.
 2020-02-23 20:49:56 +09:00
Bill Currie
2a39208069 Set void alignment to 1 
qcc allowed void variables.
 2020-02-23 20:48:43 +09:00
Bill Currie
c9fca9c98a Fix another inside-out type utility function 2020-02-23 20:48:12 +09:00
Bill Currie
4b7ecdf74a Make PR_Init take an instance to initialize 
This allows internal sub-systems to do per-instance initializations
without other engine systems having to know about them.
 2020-02-23 18:32:16 +09:00
Bill Currie
6009d1d023 Fix qfo strings dumping 2020-02-23 15:08:31 +09:00
Bill Currie
b0157e5095 Fix qfo field dumping 2020-02-23 14:56:50 +09:00
Bill Currie
81293d98dd Fix qfo line info dumping 
The addition of xdef data has made qfo_to_progs unusable in qfprogs,
resulting in various invalid memory accesses. It always was an ugly hack
anyway, so this is the first step to proper qfo support in qfprogs.
 2020-02-23 14:44:25 +09:00
Bill Currie
155a633ebe Include extended defs data in the size report 2020-02-23 11:53:57 +09:00
Bill Currie
6c6433dea5 Fetch the def name only once when scanning 
Not that speed is critical at this point, but it feels better.
 2020-02-23 11:52:35 +09:00
Bill Currie
3aabfa71d9 Find lost type encoding relocations 
I have no idea why I thought it was a good idea to delete those lines.
Yay for regression tests, though.
 2020-02-22 23:33:56 +09:00
Bill Currie
806af85447 Remove reference to ddef_t from progs.h 
This cleans up some horrible names and redundant fields that were a
result of the transition to pr_def_t
 2020-02-22 22:44:08 +09:00
Bill Currie
81083698a8 Move to using an in-memory form of ddef_t 
This allows the VM to work with extended ddefs transparently. It seems
to have uncovered a typedef alias relocation bug, though.
 2020-02-22 22:33:44 +09:00
Bill Currie
4df926e531 Write extended ddef information to progs far data 
I was originally going to put it in the debug syms file, but I realized
that the data persistence code would need access to both def type and
certainly correct def offsets for defs in far data.
 2020-02-22 14:11:15 +09:00
Bill Currie
e7b4eedc07 Fix segfault in dereferencing undefined field containers 2020-02-22 14:04:10 +09:00
Bill Currie
c296514b95 Make pr.load_file 'return' the file size 2020-02-21 21:17:28 +09:00
Bill Currie
caf78b5422 Rename ty_none to ty_basic 
This far better reflects the actual meaning. It is very likely that
ty_none is a holdover from long before there was full type encoding and
it meant that the union in qfcc's type_t had no data. This is still
true for basic types, but only if not a function, field or pointer type.
If the type was function, field or pointer, it was not true, so it was
misnamed pretty much from the start.
 2020-02-21 17:52:00 +09:00
Bill Currie
1b43046c8a Handle aliased types when building function calls 2020-02-19 21:41:46 +09:00
Bill Currie
fd2b7ee6f9 Use more type checking helper functions 2020-02-19 21:41:46 +09:00
Bill Currie
a6003ed08a Walk qfo alias chain for type size and alignment 
While the basic type is stored in the alias type record, it's no good
for size or alignment as it will give incorrect results for complex
types.
 2020-02-19 21:41:46 +09:00
Bill Currie
6a70d2e362 Give alias types a unique encoding 
The encoding is used as the def name and it needs to be different than
the alias target or the linker throws it away as an external def.
 2020-02-19 21:41:46 +09:00
Bill Currie
6bc803c72d Use correct encoding for alias types 
I got confused which field was which.
 2020-02-19 21:41:46 +09:00
Bill Currie
6bcc2c49ab Use helper functions for type checks 
They hide the evil details of aliased types. More to come :/
 2020-02-19 21:41:46 +09:00
Bill Currie
9610788dea Fix some more type aliasing issues 
Getting there... (I knew this would be a big job)
 2020-02-19 21:41:46 +09:00
Bill Currie
d50a27a045 Race down the alias chain before checking types 
This takes care of some of the type aliasing issues.
 2020-02-19 21:41:46 +09:00
Bill Currie
a5aba6c8ac Implement type aliasing 
The separate types are in the file, but there are multiple issues
 2020-02-19 21:41:46 +09:00
Bill Currie
2f18364364 Start work on encoding typedef chains 2020-02-19 21:41:46 +09:00
Bill Currie
b00c866c4e Allow casting between string and pointer types 2020-02-19 21:41:46 +09:00
Bill Currie
7a315b4a89 Fix storage class for for-loop declarations 
Getting "i redeclared" when i was declared in a for loop in two
different functions was a tad unexpected.
 2020-02-19 21:41:46 +09:00
Bill Currie
4c40928112 Remove what appears to be a redundant check 
It was long wrong anyway as it checked past the end of the function's
parameters, which caused a segfault when calling varargs functions with
no formal parameters.
 2020-02-19 02:53:38 +09:00
Bill Currie
a65d6bce09 Fix a warning that got through 
I forgot to compile test in optimized...
 2020-02-19 02:43:27 +09:00
Bill Currie
bd6dcafdc8 Replace system defines/includes with qfcc's 
Right now, it probably works only with modern gcc.
 2020-02-19 02:35:09 +09:00
Bill Currie
2d52da9c0d Fix segfault in unlimited params 2020-02-19 02:35:09 +09:00
Bill Currie
c61d0b6ff0 Allow unlimited parameters in function declarations 
However, definitions are still limited to 8 parameters. This allows
processing of C headers for type information.
 2020-02-19 02:35:09 +09:00
Bill Currie
ee228504aa Fix self-referenced enum declarations 
eg:
typedef enum foo {
    bar = 1,
    baz = bar,
} foo;
 2020-02-19 02:35:09 +09:00
Bill Currie
7a399c956b Encode function parameter alignment 
The encoding is 3:5 giving 3 bits for alignment (log2) and 5 bits for
size, with alignment in the 3 most significant bits. This keeps the
format backwards compatible as until doubles were added, all types were
aligned to 1 word which gets encoded as 0, and the size is unaffected.
 2020-02-16 17:10:43 +09:00
Bill Currie
1a9510834a Add a missed opcode conversion for %% 2020-02-16 12:10:09 +09:00
Bill Currie
9d2d33fa50 Implement %% (true modulo) support in qfcc 
However, it's not quite working yet
 2020-02-16 11:57:58 +09:00
Bill Currie
14acfad7c4 Fix incorrect placement of far data 
All the care in aligning things was undone by not updating the
calculations of the pointers.
 2020-02-15 23:49:12 +09:00
Bill Currie
1985b6d4fd Avoid creating a struct temp for ivar struct return 
This fixed the uninitialized temp warning in HUD.r. The problem was
caused by the flow analyzer not being able to detect that the struct
temp was being initialized by the move statement due to the address of
the temp being in a pointer temp. While it would be good to use a
constant pointer for the address of the struct temp or improving the
flow analyzer to track actual data, avoiding the temp in the first place
results in nicer code as it removes a move statement.
 2020-02-15 23:49:12 +09:00
Bill Currie
7bfa0f7a92 Allow pragmas to have arguments 
It does mean only one pragma per line, but that's not such a big deal.
 2020-02-15 23:49:12 +09:00
Bill Currie
91f5023681 Promote bugs to internal errors 
Mostly so I can catch them in test cases
 2020-02-15 23:49:12 +09:00
Bill Currie
6ce99afa5b Catch double demotion in global initializers 
Local initializers are handled by regular assignments
 2020-02-15 23:49:12 +09:00
Bill Currie
c5ce18591f Catch and warn demotion of double in assignments 2020-02-15 23:49:12 +09:00
Bill Currie
4bf37b274b Ensure double is not in zero or param structs for v6 2020-02-15 23:49:12 +09:00
Bill Currie
be30a0eb19 Fix missing alignment init on zero and param types 2020-02-15 23:49:12 +09:00