Fix Linux x64 build

1 files changed, 58 insertions, 0 deletions

diff --git a/misctools/headers-cleaner.zig b/misctools/headers-cleaner.zig
new file mode 100644
index 000000000..a8261ae4f
--- /dev/null
+++ b/misctools/headers-cleaner.zig
@@ -0,0 +1,58 @@
+const std = @import("std");
+
+pub fn main() anyerror!void {
+        const headers_zig_file_src: std.builtin.SourceLocation = @src();
+        var paths = [_][]const u8{std.mem.span(headers_zig_file_src.file), "../../src/javascript/jsc/bindings/headers.zig"};
+        const headers_zig_file =  try std.fs.path.resolve(std.heap.c_allocator, &paths);
+        std.debug.print("Writing to {s}", .{headers_zig_file});
+        var headers_zig: std.fs.File = try std.fs.openFileAbsolute(headers_zig_file, .{ .write = true });
+        var contents = try headers_zig.readToEndAlloc(std.heap.page_allocator, headers_zig.getEndPos() catch unreachable);
+        const last_extern_i = std.mem.lastIndexOf(u8, contents, "pub extern fn") orelse @panic("Expected contents");
+        const last_newline = std.mem.indexOf(u8, contents[last_extern_i..], "\n") orelse @panic("Expected newline");
+        const to_splice = "usingnamespace @import(\"./headers-replacements.zig\");\n";
+        var new_contents = try std.heap.page_allocator.alloc(u8, contents.len + to_splice.len);
+        std.mem.copy(u8, new_contents, to_splice);
+        std.mem.copy(u8, new_contents[to_splice.len..], contents);
+        var i: usize = to_splice.len;
+        var remainder = new_contents[i..];
+        while (remainder.len > 0) {
+            i = std.mem.indexOf(u8, remainder, "\npub const struct_b") orelse break + "\npub const struct_b".len;
+            var begin = remainder[i..];
+            const end_line = std.mem.indexOf(u8, begin, "extern struct {") orelse break;
+            const end_struct = std.mem.indexOf(u8, begin, "\n};\n") orelse break + "\n};\n".len;
+
+            std.mem.set(u8, begin[1 .. end_struct + 3], ' ');
+            remainder = begin[end_struct..];
+        }
+        i = to_splice.len;
+        remainder = new_contents[i..];
+        while (remainder.len > 0) {
+            i = std.mem.indexOf(u8, remainder, "\npub const struct_") orelse break + "\npub const struct_".len;
+            var begin = remainder[i..];
+            var end_struct = std.mem.indexOf(u8, begin, "opaque {};") orelse break;
+            end_struct += std.mem.indexOf(u8, begin[end_struct..], "\n") orelse break;
+            i = 0;
+
+            std.mem.set(u8, begin[1..end_struct], ' ');
+            remainder = begin[end_struct..];
+        }
+
+        const HARDCODE = [_][]const u8{
+            "[*c][*c]JSC__Exception",
+            "*?*JSC__Exception     ",
+            "[*c]?*c_void",
+            "[*c]*c_void",
+        };
+        i = 0;
+        while (i < HARDCODE.len) : (i += 2) {
+            _ = std.mem.replace(u8, new_contents, HARDCODE[i], HARDCODE[i + 1], new_contents);
+        }
+
+        const js_value_start = std.mem.indexOf(u8, new_contents, "pub const JSC__JSValue") orelse unreachable;
+        const js_value_end = std.mem.indexOf(u8, new_contents[js_value_start..], "\n") orelse unreachable;
+        std.mem.set(u8, new_contents[js_value_start..][0..js_value_end], ' ');
+
+        try headers_zig.seekTo(0);
+        try headers_zig.writeAll(new_contents);
+        try headers_zig.setEndPos(last_newline + last_extern_i + to_splice.len);
+}
\ No newline at end of file