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76 Commits

Author SHA1 Message Date
Jonathan Marler
c2eead9629 Fix issue 5741, use after free 2020-06-28 18:05:18 -04:00
Jonathan Marler
a728436992 new allocator interface after Andrew Kelley review 2020-06-27 08:57:35 -06:00
Jonathan Marler
dc9648f868 new allocator interface 2020-06-26 13:34:48 -06:00
Andrew Kelley
109c0b9d96 rename std.mem.defaultInit to std.mem.zeroInit 2020-06-01 14:47:18 -04:00
Alexis Brodeur
c0e5eca6f2 Add initialization helper 
When using C libraries, C99 designator list initialization is often
times used to initialize data structure.

While `std.mem.zeroes` and manually assigning to each field can
achieve the same result, it is much more verbose then the equivalent
C code:

```zig
usingnamespace @cImport({
    @cInclude("sokol_app.h");
});

// Using `std.mem.zeroes` and manual assignment.
var app_desc = std.mem.zeroes(sapp_desc);
app_desc.init_cb = init;
app_desc.frame_cb = frame;
app_desc.cleanup_cb = cleanup;
app_desc.width = 400;
app_desc.height = 300;
app_desc.window_name = "no default init";

// Using `std.mem.defaultInit`.
var app_desc = std.mem.defaultInit(sapp_desc, .{
    .init_cb = init,
    .frame_cb = frame,
    .cleanup_cb = cleanup,
    .width = 400,
    .height = 300,
    .window_name = "default init"
});
```

The `std.mem.defaultInit` aims to solve this problem by zero
initializing all fields of the given struct to their zero, or default
value if any.  Each field mentionned in the `init` variable is then
assigned to the corresponding field in the struct.

If a field is a struct, and an initializer for it is present, it is
recursively initialized.
 2020-06-01 14:45:35 -04:00
data-man
49dd2cbd9a Support vectors in mem.len 2020-05-27 00:00:19 +05:00
data-man
db0c30446a Supports vectors in mem.zeroes 2020-05-24 20:48:29 -04:00
Andrew Kelley
dd05f2be80 run zig fmt on std lib 2020-05-24 10:04:09 -04:00
Andrew Kelley
69a5f0d797 Merge remote-tracking branch 'origin/master' into self-hosted-incremental-compilation 2020-05-16 01:26:18 -04:00
Andrew Kelley
81a01bd481 fix codegen of sentinel-terminated arrays and .got alignment 
we now have an exit(0) program working
 2020-05-14 16:34:04 -04:00
Andrew Kelley
080022f6c6 self-hosted: fix compile errors, except for codegen.zig 2020-05-13 20:06:01 -04:00
Vexu
453df1cc1e
Merge pull request #4892 from Sobeston/patch-4 
mem.zeroes - add sentinel terminated array support
 2020-05-08 22:37:27 +03:00
Vexu
336ddb5b76
std: add test for mem.zeroes on sentinel terminated arrays 2020-05-08 19:03:27 +03:00
Jonathan Marler
0a76e11617 add failAllocator to enable some regression tests 2020-05-06 23:56:48 -06:00
Jonathan Marler
0c7397b49f fix copy/paste error in AllocWithOptionaPayload 2020-05-06 23:08:08 -06:00
Vexu
e72f45475d
Merge pull request #4683 from LakeByTheWoods/parser_test 
Add visible newlines to parser_test output when there's a failure.
 2020-04-30 12:04:23 +03:00
Vexu
2d06e731ec
rename diffIndex to indexOfDiff 2020-04-30 10:33:50 +03:00
Tadeo Kondrak
350b2adacd
std.meta.IntType -> std.meta.Int 2020-04-28 19:11:31 -06:00
Andrew Kelley
9ebf25d145 link: change default executable mode to 0o777 
Jonathan S writes:

On common systems with a 022 umask, this will still result in a
file created with 755 permissions, but it works appropriately if the
system is configured more leniently. (As another data point, C's fopen
seems to open files with the 666 mode.)
 2020-04-24 15:36:08 -04:00
Andrew Kelley
a3dfe36ca1 zir-to-elf skeleton 2020-04-22 23:42:58 -04:00
Andrew Kelley
22e7ca5613 ir: analysis of fn instruction 2020-04-21 16:06:15 -04:00
Andrew Kelley
cc1c2bd568 simplify ZIR spec; separate parsing/rendering from analysis 2020-04-20 19:21:03 -04:00
Vexu
b6fe839248
update std lib to decls being disallowed between fields 2020-04-18 23:56:05 +03:00
Lachlan Easton
daff072af2 Add visible newlines to parser_test output when there's a failure. 
Also print first line that differs between expected and result.
 2020-04-10 10:38:36 +10:00
Benjamin Feng
cb98984ae6 Generate clearer size mismatch error message 2020-04-05 18:38:19 -04:00
xackus
cd20e0cc67 rename mem.separate to mem.split 2020-04-04 17:37:51 -04:00
Sebastian
92a423739d mem.zeroes - add sentinel terminated array support 2020-04-01 10:08:29 +01:00
daurnimator
b1eb831aba
std: fix mem.span* when an optional pointer is passed 2020-04-01 01:44:55 +11:00
Andrew Kelley
9e7ae06249
std lib API deprecations for the upcoming 0.6.0 release 
See #3811
 2020-03-30 14:23:22 -04:00
Sebastian
ef419dd72d mem.zeroes .Array improvements 
Before (when given an array with many elements):
```
zig\std\mem.zig:345:13: error: evaluation exceeded 1000
backwards branches
            for (array) |*element| {
            ^
```
related to https://github.com/ziglang/zig/issues/4847#issuecomment-605721461
 2020-03-30 11:16:25 -04:00
daurnimator
3be720a729 std: mem span functions can take an optional pointer 2020-03-30 11:04:58 -04:00
Andrew Kelley
28a6c136e9
revert std.mem.span to prefer len over sentinel; add spanZ 2020-03-19 19:30:09 -04:00
Andrew Kelley
f614d94faa
update std lib to take advantage of slicing with comptime indexes 2020-03-19 14:48:47 -04:00
Andrew Kelley
7fa88cc0a6
std lib fixups for new semantics 
std lib tests are passing now
 2020-03-19 09:53:55 -04:00
Andrew Kelley
8ea0a00f40
improve std lib code for the new semantics 2020-03-19 09:53:54 -04:00
Andrew Kelley
8d0ac6dc4d
@ptrCast supports casting a slice to pointer 2020-03-19 09:53:54 -04:00
Andrew Kelley
0707be8de8
fixes in semantic analysis needed to support this feature 2020-03-19 09:53:54 -04:00
Andrew Kelley
a27a8561e9
adjust renameatW to always supply dest root dir 
this fixes tests for wine
 2020-03-15 17:26:29 -04:00
Andrew Kelley
7e45a3ef6a fix typo in new mem.len test 2020-03-15 15:57:51 -04:00
Andrew Kelley
6c2b23593b fix std.mem.span handling of sentinel-terminated arrays 
previously this function would use the array length, but now it scans
the array looking for the first sentinel that occurs.
 2020-03-15 15:46:56 -04:00
Andrew Kelley
51c6bb92b1
Merge pull request #4709 from LemonBoy/implement-2096 
Stricter shift left/right safety checks
 2020-03-11 14:22:40 -04:00
LemonBoy
2f1052a313 std: Fix broken tests 2020-03-10 23:50:04 +01:00
Jonathan Marler
90c232bbe8 add allocSentinel function 2020-03-10 15:03:59 -04:00
Michaël Larouche
f5954dad83 Fix crash when freeing empty string as null-terminated sentinel 2020-03-05 17:08:12 -05:00
xackus
00be934569 short std.builtin enum literals in std lib 2020-03-01 13:57:41 -05:00
Andrew Kelley
ef3d761da5
breaking: std.mem.len no longer takes a type argument 
also update fmt code to use std.mem.span.
 2020-03-01 13:21:39 -05:00
Andrew Kelley
5b26128bac
add new functions to std.mem and deprecate others 
add std.mem.Span
add std.mem.span
add std.mem.length
add std.mem.indexOfSentinel

deprecate std.mem.len
deprecate std.mem.toSlice
deprecate std.mem.toSliceConst
 2020-03-01 13:07:55 -05:00
Andrew Kelley
4505857e30
revert changes outside std.fmt 2020-03-01 13:07:31 -05:00
daurnimator
0b0de22fd1
std: format contents of sentinel terminated many pointers 
std: add std.meta.Sentinel to get sentinel of a type
 2020-03-01 13:04:29 -05:00
Andrew Kelley
5503f3f7c4
Merge pull request #4544 from BarabasGitHub/zeroes-for-non-extern-types 
implement zeroes for non extern structs and native types
 2020-02-24 22:01:56 -05:00