Commit Graph

276 Commits

Author SHA1 Message Date
Andrew Kelley
d8f6388b63 if statements can be const expr evaluated
also introduce error for unnecessary if statement
but if the condition depends on a compile variable, then
the if statement is OK
2016-02-09 18:53:28 -07:00
Andrew Kelley
207862647c std: fix parse_u64 implementation and add test
also codegen implement comparision with pure errors
2016-02-09 09:51:25 -07:00
Andrew Kelley
6b3ce918db array.len generates a constant number literal expression 2016-02-07 15:52:52 -07:00
Andrew Kelley
42fe4e3cc8 remove ptr field access of arrays
use &array[0] instead
2016-02-07 15:43:19 -07:00
Andrew Kelley
36cf9f0c72 error for non const expr in array size outside fn 2016-02-07 15:16:36 -07:00
Andrew Kelley
26ea20d88f implement @const_eval
closes #73
2016-02-07 15:11:20 -07:00
Andrew Kelley
94ed9f622a blocks with one statement pass constant expression eval 2016-02-07 12:38:51 -07:00
Andrew Kelley
7f6b0ba6ea ability to explicitly cast maybe pointers to each other 2016-02-07 01:25:04 -07:00
Andrew Kelley
4174134108 unreachable return type can cast to any other return type 2016-02-07 00:23:05 -07:00
Andrew Kelley
f19fa590e5 parseh understands simple string literal macros 2016-02-06 21:44:22 -07:00
Andrew Kelley
c7dc56f737 add test for ?? return and add const expr eval for ? prefix op 2016-02-06 19:35:33 -07:00
Andrew Kelley
73727bd1c5 parser recognizes %return in a prefix op expression
also defer only valid at statement level now

see #110
2016-02-06 19:16:01 -07:00
Andrew Kelley
65a03c5859 implement %defer and ?defer
see #110
2016-02-06 16:36:49 -07:00
Andrew Kelley
34a7e6fdb3 codegen: return respects unconditional defer
See #110
2016-02-06 01:18:39 -07:00
Andrew Kelley
ec33e5a638 simple unconditional defer support
See #110
2016-02-06 01:00:29 -07:00
Andrew Kelley
6a2ede5a6e parsing code for defer and more
* disable goto and label support see #44
 * refactor the way block contexts work
2016-02-05 23:20:34 -07:00
Andrew Kelley
4339d55562 update for loop syntax
it matches more closely the %% binary operator syntax

See #51
2016-02-05 17:15:19 -07:00
Andrew Kelley
093e0d1bb0 support variable in switch expression prongs
See #43
2016-02-04 17:21:08 -07:00
Andrew Kelley
a4cba900e5 no namespace required when switching on enum
See #43
2016-02-04 16:09:06 -07:00
Andrew Kelley
5490f907fe switch statements resolve peer compatibility 2016-02-04 15:50:06 -07:00
Andrew Kelley
fcbeaddbb2 codegen: fix switch expressions for enums with payloads 2016-02-04 15:26:27 -07:00
Andrew Kelley
25e74cb385 ability to explicitly cast bool to int 2016-02-04 12:59:06 -07:00
Andrew Kelley
32642ac9cb for loop supports break and continue
See #51
2016-02-04 02:49:12 -07:00
Andrew Kelley
fdadab40c6 implement constant values for enums with payload 2016-02-04 02:11:50 -07:00
Andrew Kelley
1f9734d1ee allow defining errors with the same name
they get the same value, too.
2016-02-04 00:58:45 -07:00
Andrew Kelley
2521afef69 add ability to call function pointer field
also introduce the self hosted tests

closes #108
2016-02-03 21:34:09 -07:00
Andrew Kelley
b28f7d0808 types sized and aligned with LLVM target data layout API 2016-02-03 02:01:42 -07:00
Andrew Kelley
b04e64d300 add @compile_var builtin and "is_big_endian" compile var 2016-02-02 21:46:53 -07:00
Andrew Kelley
a50474e7cf fix false positive error with same named methods in incomplete struct 2016-02-02 20:06:51 -07:00
Andrew Kelley
d3de73739f fix various semantic analyzer crashes 2016-02-02 19:35:02 -07:00
Andrew Kelley
8058b5e0a9 fix crash when incomplete struct used as argument
closes #107
2016-02-02 19:09:53 -07:00
Andrew Kelley
79adf55699 fx segfault with colliding bogus top level functions 2016-02-02 15:58:13 -07:00
Andrew Kelley
0216293430 add test for var local eval const expr
closes #53
2016-02-01 20:54:48 -07:00
Andrew Kelley
06f6acb4b1 inline is a keyword instead of a directive 2016-02-01 17:25:38 -07:00
Andrew Kelley
179443bd61 add ?? prefix operator 2016-02-01 02:11:46 -07:00
Andrew Kelley
b3459f64e7 parseh understands macros which alias global fn ptr vars 2016-02-01 02:00:25 -07:00
Andrew Kelley
6b2e29c6ac parseh: do not create macro alias for extern vars 2016-02-01 00:01:30 -07:00
Andrew Kelley
2e092e08f4 fix invalid const expr eval for negative floats 2016-01-31 21:50:41 -07:00
Andrew Kelley
a4e19f94f1 support casting between floats 2016-01-31 21:22:05 -07:00
Andrew Kelley
e74a7264ad support casting between int and float types 2016-01-31 21:05:17 -07:00
Andrew Kelley
954afe5d9a fix C interaction with maybe function pointers
See #88
2016-01-31 20:15:47 -07:00
Andrew Kelley
41b95cc237 parseh: correct debug for forward decls
also C typedefs emit simply `const Foo = Bar;`
since in C you can implicitly cast from a typedef
child to parent but in zig you can't.
2016-01-31 17:48:19 -07:00
Andrew Kelley
1053172854 parseh handles typedef void better
and introduce c_long_double type
2016-01-31 15:44:02 -07:00
Andrew Kelley
c77637d172 parseh understands forward struct definitions
See #88
2016-01-31 14:54:28 -07:00
Andrew Kelley
c1640a9246 parseh: use the decayed type not original type 2016-01-31 13:20:44 -07:00
Andrew Kelley
3c2093fec6 parseh understands types better and handles some situations better
See #88

Also, includes partial implementation of typedef top level declaration.
See #95

Also, fix function types. Previously the way we were deduping function type
pointers was incorrect.
2016-01-31 01:20:47 -07:00
Andrew Kelley
e4b0435946 parseh understands variable declarations
and some initializers such as integers
2016-01-29 16:06:17 -07:00
Andrew Kelley
a94ad9e89c parseh defines can reference other defines 2016-01-29 02:17:51 -07:00
Andrew Kelley
c1691afdd9 parseh understands number literal defines 2016-01-29 01:31:40 -07:00
Andrew Kelley
9b2ed1fac5 parseh understands simple character literal macro 2016-01-29 00:28:52 -07:00
Andrew Kelley
53c14da220 parseh understands bodyless struct used in fn 2016-01-28 21:53:46 -07:00
Andrew Kelley
c3516b8004 parseh handles self referential structs and fn pointers 2016-01-28 21:38:01 -07:00
Andrew Kelley
a5c2de5fee ability to specify function type
closes #14
2016-01-28 20:26:40 -07:00
Andrew Kelley
2bb2e61ee2 parser: allow missing fn name and missing param names
now these problems are caught in analyzer

this is for purpose of function type, see #14
2016-01-28 18:58:28 -07:00
Andrew Kelley
ff028525e5 add test for calling the result of if-else expr
See #14
2016-01-28 17:49:40 -07:00
Andrew Kelley
d0a1901cb0 fix function calling of pointers
See #14
2016-01-28 17:42:29 -07:00
Andrew Kelley
974d69ea3d ability to call member functions directly
see #14
2016-01-28 16:55:54 -07:00
Andrew Kelley
bb4f783528 ability to refer to member function directly
See #14
2016-01-28 16:45:17 -07:00
Andrew Kelley
13220ccb51 parsh understands constant sized arrays 2016-01-28 16:09:06 -07:00
Andrew Kelley
ed3117a77f parseh understands elaborated structs and enums 2016-01-28 15:41:12 -07:00
Andrew Kelley
47c3a30310 parseh understands simple structs 2016-01-28 14:49:34 -07:00
Andrew Kelley
a09b505558 null pointer optimization for ?&T
this is necessary for the parseh change where all
pointers from .h files are maybe pointers.
2016-01-28 14:04:22 -07:00
Andrew Kelley
347866f3a7 add parseh test for multiple fn prototypes 2016-01-28 11:59:21 -07:00
Andrew Kelley
6f85b956de add restrict -> noalias parseh test 2016-01-28 11:57:11 -07:00
Andrew Kelley
f1c5d3d3a1 add parseh tests 2016-01-28 11:54:34 -07:00
Andrew Kelley
97c61313da c_import of stdio.h works for some functions
See #88
2016-01-27 23:23:02 -07:00
MovingtoMars
1a913f6bf2 simple malloc and free using mmap 2016-01-28 12:39:02 +13:00
Andrew Kelley
b508441859 fix %% prefix operator codegen for simple values
closes #93
2016-01-27 14:49:48 -07:00
Andrew Kelley
0a26586724 fix comparing incompatible number literals crash
closes #94
2016-01-27 14:33:31 -07:00
Andrew Kelley
707154da36 fix codegen for pointers to void 2016-01-27 14:18:20 -07:00
Andrew Kelley
261517aa44 add explicit cast from isize/usize to pointer
closes #91
2016-01-27 12:43:03 -07:00
Andrew Kelley
d27b76fc31 add error for @typeof or & of number literal
closes #85
2016-01-27 12:28:05 -07:00
Andrew Kelley
fe0c6a3df9 fix crash when compiling empty file
closes #90
2016-01-27 12:09:36 -07:00
Andrew Kelley
0278468479 upgrade to the libclang C++ API
c_import creates a tmp .h file and parses it with libclang,
reporting any errors found.

See #88
2016-01-27 00:01:49 -07:00
Andrew Kelley
5afe473a86 different extern syntax and simplify parsing top level decls 2016-01-26 13:08:21 -07:00
Andrew Kelley
4e43973413 variable initializations are now mandatory
use `undefined` if you want uninitialized memory
2016-01-25 23:56:46 -07:00
Andrew Kelley
b215a3e0b6 add constant expression evaluation for negation 2016-01-25 23:44:16 -07:00
Andrew Kelley
a37bb4a4da add the C integer types 2016-01-25 23:21:13 -07:00
Andrew Kelley
a3e288ab5b implement compile time string concatenation
See #76
2016-01-25 21:56:29 -07:00
Andrew Kelley
1d68150242 compiler enforces checking for error
See #23
2016-01-25 20:27:57 -07:00
Andrew Kelley
50854226a6 syntax: back to -> for return type, no more => 2016-01-25 17:08:18 -07:00
Andrew Kelley
4b9e1dd438 fix tests and add %% operator test 2016-01-25 14:04:29 -07:00
Andrew Kelley
bcb18338cd update std lib to use error type and global variables 2016-01-24 22:53:00 -07:00
Andrew Kelley
f5cc7f65a3 fix parameter access of sret functions 2016-01-24 19:27:12 -07:00
Andrew Kelley
419652ee8f ability to return structs byvalue from functions
closes #57
2016-01-24 18:34:50 -07:00
Andrew Kelley
5c18826240 introduce the error keyword and type
See #23
2016-01-24 01:34:57 -07:00
Andrew Kelley
706f72f1b4 fix hang when returning from while loop
also fixes duplicate error message for function missing
return type.

also makes guess number game use %void for main return type.

closes #58
2016-01-23 02:46:24 -07:00
Andrew Kelley
c0ea9290c4 main returns %void 2016-01-23 02:14:01 -07:00
Andrew Kelley
a922d5d42a implement literal error values
See #23
2016-01-23 00:34:59 -07:00
Andrew Kelley
1543043bf5 fix no error emitted for redeclaring global var
closes #81
2016-01-23 00:07:08 -07:00
Andrew Kelley
523e3b86af support statically initialized array literal 2016-01-22 22:02:07 -07:00
Andrew Kelley
1158bc3ead support statically initialized structs 2016-01-22 18:05:22 -07:00
Andrew Kelley
7bd9c82386 add compile error for non constant expr global 2016-01-22 16:40:15 -07:00
Andrew Kelley
b61406b607 add test for const number literal 2016-01-22 16:02:08 -07:00
Andrew Kelley
272fe1c54c implicit casts rewrite the AST 2016-01-22 15:31:35 -07:00
Andrew Kelley
b09a0cd072 allow constants to have number literal values
also codegen takes advantage of constant expr eval
2016-01-21 15:23:24 -07:00
Andrew Kelley
32e2196257 number literal rework 2016-01-21 03:02:25 -07:00
Andrew Kelley
961adc0909 Merge branch 'master' of github.com:andrewrk/zig 2016-01-20 02:16:36 -07:00
Andrew Kelley
ad9759bc8e basic support for switch expression 2016-01-20 02:12:24 -07:00
MovingtoMars
361531891f rename value_count to member_count
rename BuiltinFnIdValueCount to BuiltinFnIdMemberCount

rename value_count to member_count
2016-01-20 22:03:03 +13:00