diff options
Diffstat (limited to 'misctools/headers-cleaner.zig')
| -rw-r--r-- | misctools/headers-cleaner.zig | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/misctools/headers-cleaner.zig b/misctools/headers-cleaner.zig index a8261ae4f..e9304d3d7 100644 --- a/misctools/headers-cleaner.zig +++ b/misctools/headers-cleaner.zig @@ -1,58 +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; + 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 = "// GENERATED CODE - DO NOT MODIFY BY HAND\n\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); + 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 + 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); + 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..]; - } + 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 HARDCODE = [_][]const u8{ + "[*c][*c]JSC__Exception", + "*?*JSC__Exception ", + "[*c]?*anyopaque", + "[*c]*anyopaque", + }; + 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], ' '); + 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 + try headers_zig.seekTo(0); + try headers_zig.writeAll(new_contents); + try headers_zig.setEndPos(last_newline + last_extern_i + to_splice.len); +} |