mirror of
https://github.com/oven-sh/bun
synced 2026-02-11 19:38:58 +00:00
e75c711c68
* Prepare to upgrade zig
* zig fmt
* AllocGate
* Update data_url.zig
* wip
* few files
* just headers now?
* I think everything works?
* Update mimalloc
* Update hash_map.zig
* Perf improvements to compensate for Allocgate
* Bump
* 📷
* Update bun.lockb
* Less branching
* [js parser] Slightly reduce memory usage
* Update js_parser.zig
* WIP remove unused
* [JS parser] WIP support for `with` keyword
* Remove more dead code
* Fix all the build errors!
* cleanup
* Move `network_thread` up
* Bump peechy
* Update README.md
33 lines
901 B
Zig
33 lines
901 B
Zig
const string = @import("string_types.zig").string;
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const Allocator = @import("std").mem.Allocator;
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const assert = @import("std").debug.assert;
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const copy = @import("std").mem.copy;
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const StringBuilder = @This();
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len: usize = 0,
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cap: usize = 0,
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ptr: ?[*]u8 = null,
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pub fn count(this: *StringBuilder, slice: string) void {
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this.cap += slice.len;
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}
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pub fn allocate(this: *StringBuilder, allocator: Allocator) !void {
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var slice = try allocator.alloc(u8, this.cap);
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this.ptr = slice.ptr;
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this.len = 0;
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}
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pub fn append(this: *StringBuilder, slice: string) string {
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assert(this.len <= this.cap); // didn't count everything
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assert(this.ptr != null); // must call allocate first
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copy(u8, this.ptr.?[this.len..this.cap], slice);
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const result = this.ptr.?[this.len..this.cap][0..slice.len];
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this.len += slice.len;
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assert(this.len <= this.cap);
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return result;
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}
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