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532 Commits

Author SHA1 Message Date
Andrew Kelley
0d22a00f6f *WIP* async/await TCP server 2018-04-08 18:26:24 -04:00
Andrew Kelley
ee1a4f4c1d error return traces work with async return case 2018-04-08 17:44:29 -04:00
Andrew Kelley
ada441157f put the error return addresses in the coro frame 2018-04-08 16:04:48 -04:00
Andrew Kelley
d26905c102 error return traces for the early return case 
it would work but LLVM is not correctly spilling the addresses.

See #821
 2018-04-08 16:04:48 -04:00
Marc Tiehuis
2e5115b068 Add run compiler command 
'zig run file.zig' builds a file and stores the artifacts in the global
cache. On successful compilation the binary is executed.

'zig run file.zig -- a b c' does the same, but passes the arguments a,
b and c as runtime arguments to the program. Everything after an '--' are
treated as runtime arguments.

On a posix system, a shebang can be used to run a zig file directly. An
example shebang would be '#!/usr/bin/zig run'. You may not be able pass
extra compile arguments currently as part of the shebang. Linux for example
treats all arguments after the first as a single argument which will result
in an 'invalid command'.

Currently there is no customisability for the cache path as a compile
argument. For a posix system you can use `TMPDIR=. zig run file.zig` to
override, in this case using the current directory for the run cache.

The input file is always recompiled, even if it has changed. This is
intended to be cached but further discussion/thought needs to go into
this.

Closes #466.
 2018-04-01 17:03:06 +12:00
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
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
Andrew Kelley
b1c07c0ea9 move error ret tracing codegen to zig ir 
progress towards #821
 2018-03-24 18:28:32 -04:00
Andrew Kelley
7a99d63c76 ability to use async function pointers 
closes #817
 2018-03-22 16:56:03 -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
Andrea Orru
7ac44037db Compiler error when taking @offsetOf of void struct member 
closes #739
 2018-03-13 21:20:06 -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
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
84e952c230 fix await multithreaded data race 
coro return was reading from a value that coro await was
writing to. that wasn't how it was designed to work, it
was an implementation mistake.

this commit also has some work-in-progress code for fixing
error return traces across suspend points.
 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
790aaeacae add compile error for using @tagName on extern union 
closes #742
 2018-03-07 14:35:48 -05:00
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
6b5cfd9d99 turn assertion into compile error for using var as return type 
closes #758
 2018-03-06 20:41:49 -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
07e47c058c ptrCast builtin now gives an error for removing const qualifier 
closes #384
 2018-03-06 16:37:03 -05:00
Andrew Kelley
de5c0c9f40 Merge remote-tracking branch 'origin/master' into async 2018-03-01 20:47:35 -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
8429d4ceac implement coroutine resume 2018-02-28 22:18:48 -05:00
Andrew Kelley
c622766156 async function fulfills promise atomically 2018-02-28 21:48:20 -05:00
Andrew Kelley
807a5e94e9 add atomicrmw builtin function 2018-02-28 21:19:51 -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
ad2a29ccf2 break the data dependencies that llvm coro transforms cant handle 
my simple coro test program builds now

see #727
 2018-02-28 16:47:13 -05:00
Andrew Kelley
026aebf2ea another workaround for llvm coroutines 
this one doesn't work either
 2018-02-28 04:01:22 -05:00
Andrew Kelley
138d6f9093 revert workaround for alloc and free as coro params 
reverts 4ac6c4d6bfb8f7ada2799ddb5ce3a9797be0518d

the workaround didn't work
 2018-02-27 17:46:13 -05:00
Andrew Kelley
4e43bde924 workaround for llvm: delete coroutine allocation elision 
maybe this can be reverted, but it seems to be related
to llvm's coro transformations crashing.

See #727
 2018-02-26 21:31:00 -05:00
Andrew Kelley
4ac6c4d6bf workaround llvm coro transformations 
by making alloc and free functions be parameters to async
functions instead of using getelementptr in the DynAlloc block

See #727
 2018-02-26 21:14:15 -05:00
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
Andrew Kelley
3e86fb500d implement coroutine suspend 
see #727
 2018-02-26 02:46:21 -05:00
Andrew Kelley
c60496a297 parse await and suspend syntax 
See #727
 2018-02-26 00:04:11 -05:00
Andrew Kelley
6fef7406c8 move coroutine init code to after coro.begin 2018-02-25 20:29:14 -05:00
Andrew Kelley
6b436146a8 fix invalid memory write in coroutines implementation 2018-02-25 20:28:44 -05:00
Andrew Kelley
fe354ebb5c coroutines: fix llvm error of instruction not dominating uses 
See #727
 2018-02-25 17:57:05 -05:00
Andrew Kelley
83f8906449 codegen for coro_resume instruction 
See #727
 2018-02-25 17:34:05 -05:00
Andrew Kelley
9f6c5a20de codegen for coro_id instruction 
See #727
 2018-02-25 15:10:29 -05:00
Andrew Kelley
05bf666eb6 codegen for calling an async function 
See #727
 2018-02-25 02:47:31 -05:00
Andrew Kelley
40dbcd09da fix type_is_codegen_pointer being used incorrectly 
The names of these functions should probably change, but at least
the semantics are correct now:
 * type_is_codegen_pointer - the type is either a fn, ptr, or promise
 * get_codegen_ptr_type -
   - ?&T and &T returns &T
   - ?promise and promise returns promise
   - ?fn()void and fn()void returns fn()void
   - otherwise returns nullptr
 2018-02-23 12:49:21 -05:00