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989 Commits

Author SHA1 Message Date
Andrew Kelley
ee1a4f4c1d error return traces work with async return case 2018-04-08 17:44:29 -04:00
Andrew Kelley
9e98ea552d fix calling convention at callsite of zig-generated fns 2018-04-08 16:40:59 -04:00
Andrew Kelley
032fccf615 fix compile time array concatenation for slices 
closes #866
 2018-03-28 23:25:12 -04:00
Andrew Kelley
6cb99fdac3 fix crash when compile error in analyzing @panic call 2018-03-27 15:07:45 -04:00
Andrew Kelley
aa2995ee39 fix invalid codegen for error return traces across suspend points 
See #821

Now the code works correctly, but error return traces are missing
the frames from coroutines.
 2018-03-24 22:07:12 -04:00
Andrew Kelley
a43c7af3d1 add comptime test for the type of suspend promise 2018-03-24 19:31:00 -04:00
Andrew Kelley
897e783763 add promise->T syntax parsing 
closes #857
 2018-03-24 19:25:53 -04:00
Andrew Kelley
18af2f9a27 fix async fns with inferred error sets 
closes #856
 2018-03-24 18:28:32 -04:00
Marc Tiehuis
3d1732ef6c Fix OpqaueType usage in exported c functions 
We prefer `struct typename`. If a typedef is required, this must be done
manually after generation.
 2018-03-23 20:27:11 +13:00
Andrew Kelley
7a99d63c76 ability to use async function pointers 
closes #817
 2018-03-22 16:56:03 -04:00
Andrew Kelley
f885a1ab61 change async function call syntax 
* instead of `async(allocator) call()`, now it is
   `async<allocator> call()`.
 * Fixes syntax ambiguity when leaving off the allocator
 * Fixes parse failure when call is a field access

This sets a precedent for using `<` to pass arguments
to a keyword. This will affect `enum`, `union`, and
`fn` (see #661)
 2018-03-21 19:56:41 -04:00
Andrew Kelley
d959faa4c7 add test for addIncludeDir for test step 2018-03-17 18:19:23 -04:00
Andrew Kelley
efebb6d341 fix tests broken by previous commit 2018-03-14 03:37:54 -04:00
Andrea Orru
c828c23f71 Tests for zero-bit field compiler error 2018-03-13 22:07:40 -07:00
Andrew Kelley
7f7823e23c fix casting a function to a pointer causing compiler crash 
closes #777
 2018-03-13 19:15:20 -04:00
Andrew Kelley
bcce77700f some return types disqualify comptime fn call caching 
closes #828
 2018-03-12 12:56:25 -04:00
Andrew Kelley
5834ff0cc5 don't memoize comptime fn calls that access comptime mutable state 
closes #827
 2018-03-12 08:35:41 -04:00
Andrew Kelley
1bf2810f33 fix comptime slicing not preserving comptime mutability 
* fix comptime slice of slice not preserving mutatibility
   of the comptime data
 * fix comptime slice of pointer not preserving mutability
   of the comptime data

closes #826
 2018-03-12 01:21:10 -04:00
Andrew Kelley
49c3922037 fix incorrect setEvalBranchQuota compile error 
closes #688
 2018-03-12 00:08:52 -04:00
Andrew Kelley
20011a7a1c add behavior test for coroutine frame allocation failure 2018-03-10 01:38:40 -05:00
Andrew Kelley
6db9be8900 don't memoize comptime functions if they can mutate state via parameters 
closes #639
 2018-03-09 14:20:44 -05:00
Andrew Kelley
aaf2230ae8 fix partial inlining of binary math operator using old value 
the code was abusing the internal IR API. fixed now.

closes #699
 2018-03-08 17:15:55 -05:00
Andrew Kelley
028ec0f2c3 enums with 1 field and explicit tag type still get the tag type 
closes #820
 2018-03-08 15:22:42 -05:00
Jimmi Holst Christensen
2e010c60ae Translate C now correctly converts ints, floats, ptrs and enums to bools 
* Boolean "and" and "or" should also work with these types.
* This new method also simplifies to output code.
 2018-03-08 15:34:00 +01:00
Jimmi Holst Christensen
b2887620f3 Translate C will now handle ignored return values 2018-03-08 13:15:30 +01:00
Jimmi Holst Christensen
689e241ff8 Merge branch 'master' of github.com:zig-lang/zig 2018-03-08 10:29:43 +01:00
Jimmi Holst Christensen
51b2f1b80b Translate C can now translate switch statements again 2018-03-08 10:29:29 +01:00
Andrew Kelley
790aaeacae add compile error for using @tagName on extern union 
closes #742
 2018-03-07 14:35:48 -05:00
Jimmi Holst Christensen
bb80daf509 Ast Render no longer outputs erroneous semicolon 
closes #813
 2018-03-07 10:39:32 +01:00
Andrew Kelley
d96dd5bc32 fix missing compile error for returning error from void async function 
closes #799
 2018-03-06 21:44:27 -05:00
Andrew Kelley
eff3530dfa var is no longer a pseudo-type, it is syntax 
closes #779
 2018-03-06 18:31:31 -05:00
Andrew Kelley
44ae891bd7 fix assertion when taking slice of zero-length array 
closes #788
 2018-03-06 17:19:45 -05:00
Andrew Kelley
5d5820029d fix broken tests from previous commit 2018-03-06 16:46:45 -05:00
Andrew Kelley
07e47c058c ptrCast builtin now gives an error for removing const qualifier 
closes #384
 2018-03-06 16:37:03 -05:00
Jimmi Holst Christensen
5ab25798e3 We now also use trans_to_bool_expr on bool not 2018-03-06 12:04:14 +01:00
Jimmi Holst Christensen
bf47cf418a expr to bool is now it's own function. 
* Now while and for loops work on ints and floats, like if statements
* This fixes the loop problem in #813
 2018-03-06 11:57:51 +01:00
Andrew Kelley
101b7745c4 add optnone noinline to async functions 
this works around LLVM optimization assertion failures.
https://bugs.llvm.org/show_bug.cgi?id=36578

closes #800
 2018-03-02 13:40:03 -05:00
Andrew Kelley
de5c0c9f40 Merge remote-tracking branch 'origin/master' into async 2018-03-01 20:47:35 -05:00
Andrew Kelley
6bade0b825 coroutines: add await early test case 2018-03-01 16:17:38 -05:00
Andrew Kelley
8a0e1d4c02 await keyword works 2018-03-01 15:46:35 -05:00
Andrew Kelley
253d988e7c implementation of await 
but it has bugs
 2018-03-01 03:28:13 -05:00
Andrew Kelley
834e992a7c add test for coroutine suspend with block 2018-02-28 22:26:26 -05:00
Andrew Kelley
8429d4ceac implement coroutine resume 2018-02-28 22:18:48 -05:00
Andrew Kelley
807a5e94e9 add atomicrmw builtin function 2018-02-28 21:19:51 -05:00
Andrew Kelley
36eadb569a run coroutine tests only in Debug mode 
LLVM 5.0.1, 6.0.0, and trunk crash when attempting to optimize coroutine code.
So, Zig does not support ReleaseFast or ReleaseSafe for coroutines yet.
Luckily, Clang users are running into the same crashes, so folks from the LLVM
community are working on fixes. If we're really lucky they'll be fixed in 6.0.1.
Otherwise we can hope for 7.0.0.
 2018-02-28 18:56:26 -05:00
Andrew Kelley
58dc2b719c better coroutine codegen, now passing first coro test 
we have to use the Suspend block with llvm.coro.end to
return from the coro
 2018-02-28 18:22:43 -05:00
Andrew Kelley
1b8a241f6f Merge branch 'fix795' of https://github.com/bnoordhuis/zig into bnoordhuis-fix795 2018-02-28 00:22:53 -05:00
Ben Noordhuis
90598b4631 fix assert on self-referencing function ptr field 
The construct `struct S { f: fn(S) void }` is not legal because structs
are not copyable but it should not result in an ICE.

Fixes #795.
 2018-02-28 00:56:00 +01:00
Ben Noordhuis
9aa65c0e8e allow implicit cast from &const to ?&const &const 
Allow implicit casts from n-th degree const pointers to nullable const
pointers of degree n+1.  That is:

    fn f() void {
        const s = S {};
        const p = &s;
        g(p);   // Works.
        g(&p);  // So does this.
    }

    fn g(_: ?&const &const S) void {  // Nullable 2nd degree const ptr.
    }

Fixes #731 some more.
 2018-02-26 19:56:26 +01:00
Ben Noordhuis
f11b948019 allow implicit cast from S to ?&const S 
Allow implicit casts from container types to nullable const pointers to
said container type.  That is:

    fn f() void {
        const s = S {};
        g(s);   // Works.
        g(&s);  // So does this.
    }

    fn g(_: ?&const S) void {  // Nullable const pointer.
    }

Fixes #731.
 2018-02-23 15:55:57 +01:00
Ben Noordhuis
0845cbe277 name types inside functions after variable 
Before this commit:

    fn f() []const u8 {
        const S = struct {};
        return @typeName(S);  // "f()", unexpected.
    }

And now:

    fn f() []const u8 {
        const S = struct {};
        return @typeName(S);  // "S", expected.
    }

Fixes #675.
 2018-02-22 19:54:02 +01:00
Andrew Kelley
72ca2b214d ability to slice an undefined pointer at compile time if the len is 0 2018-02-16 15:22:29 -05:00
Andrew Kelley
cc26148ba7 fix compiler crash when struct contains... 
ptr to another struct which contains original struct
 2018-02-15 12:14:20 -05:00
Andrew Kelley
1c1c0691cc fix crash when doing comptime float rem comptime int 
closes #776
 2018-02-14 23:12:51 -05:00
Andrew Kelley
9fa35adbd4 fix sometimes not type checking function parameters 
closes #774

regression introduced in cfb2c67692
 2018-02-14 16:24:43 -05:00
Andrew Kelley
445b03384a introduce std.heap.ArenaAllocator and std.heap.DirectAllocator 
* DirectAllocator does the underlying syscall for every allocation.
 * ArenaAllocator takes another allocator as an argument and
   allocates bytes up front, falling back to DirectAllocator with
   increasingly large allocation sizes, to avoid calling it too often.
   Then the entire arena can be freed at once.

The self hosted parser is updated to take advantage of ArenaAllocator
for the AST that it returns. This significantly reduces the complexity
of cleanup code.

docgen and build runner are updated to use the combination of
ArenaAllocator and DirectAllocator instead of IncrementingAllocator,
which is now deprecated in favor of FixedBufferAllocator combined
with DirectAllocator.

The C allocator calls aligned_alloc instead of malloc, in order to
respect the alignment parameter.

Added asserts in Allocator to ensure that implementors of the
interface return slices of the correct size.

Fixed a bug in Allocator when you call realloc to grow the allocation.
 2018-02-12 02:14:44 -05:00
Andrew Kelley
46aa416c48 std.os and std.io API update 
* move std.io.File to std.os.File
 * add `zig fmt` to self hosted compiler
 * introduce std.io.BufferedAtomicFile API
 * introduce std.os.AtomicFile API
 * add `std.os.default_file_mode`
 * change FileMode on posix from being a usize to a u32
 * add std.os.File.mode to return mode of an open file
 * std.os.copyFile copies the mode from the source file instead of
   using the default file mode for the dest file
 * move `std.os.line_sep` to `std.cstr.line_sep`
 2018-02-10 21:02:24 -05:00
Andrew Kelley
a2bd9f8912 std lib: modify allocator idiom 
Before we accepted a nullable allocator for some stuff like
opening files. Now we require an allocator.

Use the mem.FixedBufferAllocator pattern if a bound on the amount
to allocate is known.

This also establishes the pattern that usually an allocator is the
first argument to a function (possibly after "self").

fix docs for std.cstr.addNullByte

self hosted compiler:
 * only build docs when explicitly asked to
 * clean up main
 * stub out zig fmt
 2018-02-09 18:27:50 -05:00
Andrew Kelley
e7bf8f3f04 fix compiler crash switching on global error with no else 2018-02-09 13:49:58 -05:00
Andrew Kelley
3919afcad2 fix crash with error peer type resolution 
closes #765
 2018-02-09 11:16:04 -05:00
Andrew Kelley
916d24cd21 add compile error tests for error sets 2018-02-08 23:44:21 -05:00
Andrew Kelley
4b16874f04 add test for comptime err to int with only 1 member of set 2018-02-08 22:44:15 -05:00
Andrew Kelley
ee982ae162 syntax: parse ?error!i32 as ?(error!i32) 2018-02-08 22:30:08 -05:00
Andrew Kelley
0efe441dfd if statements support comptime known test error, runtime payload 2018-02-08 22:18:13 -05:00
Andrew Kelley
54c06bf715 error sets: runtime safety for int-to-err and err set cast 2018-02-08 21:54:44 -05:00
Andrew Kelley
f9be970375 Merge remote-tracking branch 'origin/master' into error-sets 2018-02-08 20:45:26 -05:00
Andrew Kelley
57edd4dcb3 error sets - fix bad value for constant error literal 2018-02-08 18:13:07 -05:00
Andrew Kelley
76239f2089 error sets - update langref. all tests passing 2018-02-08 03:02:41 -05:00
Andrew Kelley
0d5ff6f462 error sets - most tests passing 2018-02-08 02:08:45 -05:00
Andrew Kelley
44d8d654a0 fix test failure, organize code, add new compile error 2018-02-05 09:26:39 -05:00
Andrew Kelley
39d5f44863 *WI* error sets - basic support working 2018-02-02 14:26:14 -05:00
Andrew Kelley
5f518dbeb9 *WIP* error sets converting std lib 2018-01-31 22:48:40 -05:00
Andrew Kelley
44f38b04b0 fix assertion fail when using global var number literal 
closes #697
 2018-01-31 11:13:39 -05:00
Andrew Kelley
40ca39d3d5 fix error message mentioning unreachable instead of noreturn 2018-01-31 01:44:52 -05:00
Andrew Kelley
3ef6a00bb8 add compile error for duplicate struct, enum, union fields 
closes #730
 2018-01-30 11:52:03 -05:00
Andrew Kelley
1c60f31450 add compile error for calling naked function 2018-01-29 14:01:12 -05:00
Andrew Kelley
abe6c2d585 allow packed containers in extern functions 2018-01-29 10:57:09 -05:00
Andrew Kelley
f66ac9a5e7 fix crash when align 1 field before self referential... 
...align 8 field as slice return type

closes #723
 2018-01-27 18:30:36 -05:00
Andrew Kelley
ad3e2a5da0 fix compiler crash on function with invalid return type 
closes #722
 2018-01-26 10:37:18 -05:00
Andrew Kelley
3671582c15 syntax: functions require return type. remove -> 
The purpose of this is:

 * Only one way to do things
 * Changing a function with void return type to return a possible
   error becomes a 1 character change, subtly encouraging
   people to use errors.

See #632

Here are some imperfect sed commands for performing this update:

remove arrow:

```
sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig")
```

add void:

```
sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig")
```

Some cleanup may be necessary, but this should do the bulk of the work.
 2018-01-25 04:10:11 -05:00
Andrew Kelley
e5bc5873d7 rename "debug safety" to "runtime safety" 
closes #437
 2018-01-25 01:46:12 -05:00
Andrew Kelley
b3a6faf13e replace %defer with errdefer 
See #632

now we have 1 less sigil
 2018-01-23 23:08:09 -05:00
Marc Tiehuis
470ec91164 Add array type handling for gen_h 2018-01-23 23:38:20 +13:00
Andrew Kelley
cf39819478 add new kind of test: generating .h files. and more 
* docgen supports obj_err code kind for demonstrating
   errors without explicit test cases
 * add documentation for `extern enum`. See #367
 * remove coldcc keyword and add @setIsCold. See #661
 * add compile errors for non-extern struct, enum, unions
   in function signatures
 * add .h file generation for extern struct, enum, unions
 2018-01-22 22:24:07 -05:00
Andrew Kelley
cacba6f435 fix crash on union-enums with only 1 field 
closes #713
 2018-01-22 17:23:23 -05:00
Andrew Kelley
5b7ae86af4 fix crash when switching on enum with 1 field and no switch prongs 
closes #712
 2018-01-21 14:44:24 -05:00
Andrew Kelley
ea623f2d39 all doc code examples are now tested 
improve color scheme of docs
make docs depend on no external files
fix broken example code in docs

closes #465
 2018-01-19 03:21:47 -05:00
Andrew Kelley
4b64c777ee add compile error for shifting by negative comptime integer 
closes #698
 2018-01-18 17:47:21 -05:00
Andrew Kelley
0fc645ab70 emit a compile error for @panic called at compile time 
closes #706
 2018-01-18 17:15:36 -05:00
Andrew Kelley
0b8f19fcba fix null debug info for 0-length array type 
closes #702
 2018-01-18 15:08:20 -05:00
Andrew Kelley
0aae96b5f0 test: fix brace expansion test not checking invalid inputs 2018-01-18 11:41:20 -05:00
Jimmi Holst Christensen
1d6f54cc7d A few more none negative cases, just to be sure we've covered everything 2018-01-17 14:35:13 +01:00
Jimmi Holst Christensen
fa2c3be341 More tests, and fixed none negative bigint xor 2018-01-17 14:31:47 +01:00
Jimmi Holst Christensen
db0fc32ab2 fixed xor with zero 2018-01-17 14:00:27 +01:00
Andrew Kelley
ee9ab15679
Merge pull request #695 from Hejsil/tranlate-c-fixes 
Tranlate c fixes - undefined variable initialization and non-bool if statements
 2018-01-16 10:32:37 -05:00
Jimmi Holst Christensen
3974b7d31d translate_c can now translate if statements on integers and floats 2018-01-16 15:48:28 +01:00
Jimmi Holst Christensen
f59dcc5546 Fixed tests for undefined variables 2018-01-16 15:21:48 +01:00
Andrew Kelley
6a95b88d1b fix bigint remainder division 
See #405
 2018-01-16 03:09:44 -05:00
Andrew Kelley
84d8584c5b implement bigint div and rem 
See #405
 2018-01-16 02:22:19 -05:00
Andrew Kelley
92fc5947fc fix compiler crash related to @alignOf 2018-01-15 20:44:21 -05:00