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Fix crash in CJS (#3294)

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* Fix crash in CJS

* Add std.heap.ArenaAllocator

* Use our arena allocator

* Reduce JS parser memory usage and make HMR faster

* Write some comments

* fix test failure & clean up this code

* Update javascript.zig

* make arena usage safer

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
This commit is contained in:
Jarred Sumner
2023-06-13 09:15:05 -07:00
committed by GitHub
parent b93bdbb124
commit bdb1b7124a
36 changed files with 705 additions and 272 deletions
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27
src/string.zig
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@@ -239,6 +239,17 @@ pub const String = extern struct {
pub const dead = String{ .tag = .Dead, .value = .{ .Dead = {} } };
pub const StringImplAllocator = Parent.StringImplAllocator;
extern fn BunString__fromLatin1(bytes: [*]const u8, len: usize) String;
extern fn BunString__fromBytes(bytes: [*]const u8, len: usize) String;
pub fn createLatin1(bytes: []const u8) String {
return BunString__fromLatin1(bytes.ptr, bytes.len);
}
pub fn create(bytes: []const u8) String {
return BunString__fromBytes(bytes.ptr, bytes.len);
}
pub fn initWithType(comptime Type: type, value: Type) String {
switch (comptime Type) {
ZigString => return String{ .tag = .ZigString, .value = .{ .ZigString = value } },
@@ -273,6 +284,18 @@ pub const String = extern struct {
return initWithType(@TypeOf(value), value);
}
extern fn BunString__createExternal(
bytes: [*]const u8,
len: usize,
isLatin1: bool,
ptr: ?*anyopaque,
callback: ?*const fn (*anyopaque, *anyopaque, u32) callconv(.C) void,
) String;
pub fn createExternal(bytes: []const u8, isLatin1: bool, ctx: ?*anyopaque, callback: ?*const fn (*anyopaque, *anyopaque, u32) callconv(.C) void) String {
return BunString__createExternal(bytes.ptr, bytes.len, isLatin1, ctx, callback);
}
pub fn fromUTF8(value: []const u8) String {
return String.initWithType(ZigString, ZigString.initUTF8(value));
}
@@ -339,7 +362,7 @@ pub const String = extern struct {
if (self.tag == .Empty)
return &[_]u16{};
std.debug.assert(self.tag == .WTFStringImpl);
return self.value.WTFStringImpl.utf16();
return self.value.WTFStringImpl.utf16Slice();
}
pub inline fn latin1(self: String) []const u8 {
@@ -347,7 +370,7 @@ pub const String = extern struct {
return &[_]u8{};
std.debug.assert(self.tag == .WTFStringImpl);
return self.value.WTFStringImpl.latin1();
return self.value.WTFStringImpl.latin1Slice();
}
pub fn isUTF8(self: String) bool {