Merge pull request #246 from perillo/build-restore-compatibility-2
build: restore compatibility with old Zig compilerspull/2/head
commit
b84217161c
@ -0,0 +1,68 @@
|
||||
/// Client side support for Zig IPC.
|
||||
const std = @import("std");
|
||||
const debug = std.debug;
|
||||
const fs = std.fs;
|
||||
const mem = std.mem;
|
||||
|
||||
const Allocator = mem.Allocator;
|
||||
const Client = std.zig.Client;
|
||||
const ErrorBundle = std.zig.ErrorBundle;
|
||||
const Server = std.zig.Server;
|
||||
|
||||
/// This data structure must be kept in sync with zig.Server.Message.EmitBinPath.
|
||||
const EmitBinPath = struct {
|
||||
flags: Flags,
|
||||
path: []const u8,
|
||||
|
||||
pub const Flags = Server.Message.EmitBinPath.Flags;
|
||||
|
||||
pub fn deinit(self: *EmitBinPath, allocator: Allocator) void {
|
||||
allocator.free(self.path);
|
||||
self.* = undefined;
|
||||
}
|
||||
};
|
||||
|
||||
pub fn parseErrorBundle(allocator: Allocator, data: []const u8) !ErrorBundle {
|
||||
const EbHdr = Server.Message.ErrorBundle;
|
||||
const eb_hdr = @ptrCast(*align(1) const EbHdr, data);
|
||||
const extra_bytes =
|
||||
data[@sizeOf(EbHdr)..][0 .. @sizeOf(u32) * eb_hdr.extra_len];
|
||||
const string_bytes =
|
||||
data[@sizeOf(EbHdr) + extra_bytes.len ..][0..eb_hdr.string_bytes_len];
|
||||
|
||||
// TODO: use @ptrCast when the compiler supports it
|
||||
const unaligned_extra = std.mem.bytesAsSlice(u32, extra_bytes);
|
||||
const extra_array = try allocator.alloc(u32, unaligned_extra.len);
|
||||
// TODO: use @memcpy when it supports slices
|
||||
//
|
||||
// Don't use the "multi-object for loop" syntax, in
|
||||
// order to avoid a syntax error with old Zig compilers.
|
||||
var i: usize = 0;
|
||||
while (i < extra_array.len) : (i += 1) {
|
||||
extra_array[i] = unaligned_extra[i];
|
||||
}
|
||||
|
||||
return .{
|
||||
.string_bytes = try allocator.dupe(u8, string_bytes),
|
||||
.extra = extra_array,
|
||||
};
|
||||
}
|
||||
|
||||
pub fn parseEmitBinPath(allocator: Allocator, data: []const u8) !EmitBinPath {
|
||||
const EbpHdr = Server.Message.EmitBinPath;
|
||||
const ebp_hdr = @ptrCast(*align(1) const EbpHdr, data);
|
||||
const path = try allocator.dupe(u8, data[@sizeOf(EbpHdr)..]);
|
||||
|
||||
return .{
|
||||
.flags = ebp_hdr.flags,
|
||||
.path = path,
|
||||
};
|
||||
}
|
||||
|
||||
pub fn sendMessage(file: fs.File, tag: Client.Message.Tag) !void {
|
||||
const header: Client.Message.Header = .{
|
||||
.tag = tag,
|
||||
.bytes_len = 0,
|
||||
};
|
||||
try file.writeAll(mem.asBytes(&header));
|
||||
}
|
Loading…
Reference in New Issue