Use new {z} fmt syntax to render identifiers

This commit is contained in:
Robin Voetter
2020-10-18 13:43:53 +02:00
parent 7a79846b1b
commit 852b8cb63e

View File

@@ -2,61 +2,6 @@ const std = @import("std");
const mem = std.mem;
const Allocator = mem.Allocator;
// Lifted from src-self-hosted/translate_c.zig
pub fn isValidZigIdentifier(name: []const u8) bool {
for (name) |c, i| {
switch (c) {
'_', 'a'...'z', 'A'...'Z' => {},
'0' ... '9' => if (i == 0) return false,
else => return false
}
}
return true;
}
// Lifted from src-self-hosted/translate_c.zig
pub fn isZigReservedIdentifier(name: []const u8) bool {
if (name.len > 1 and (name[0] == 'u' or name[0] == 'i')) {
for (name[1..]) |c| {
switch (c) {
'0'...'9' => {},
else => return false,
}
}
return true;
}
const reserved_names = [_][]const u8 {
"void", "comptime_float", "comptime_int", "bool", "isize",
"usize", "f16", "f32", "f64", "f128", "c_longdouble",
"noreturn", "type", "anyerror", "c_short", "c_ushort",
"c_int", "c_uint", "c_long", "c_ulong", "c_longlong", "c_ulonglong"
};
for (reserved_names) |reserved| {
if (mem.eql(u8, reserved, name)) {
return true;
}
}
return false;
}
pub fn needZigEscape(name: []const u8) bool {
return !isValidZigIdentifier(name)
or isZigReservedIdentifier(name)
or std.zig.Token.getKeyword(name) != null;
}
pub fn writeIdentifier(out: anytype, id: []const u8) !void {
if (needZigEscape(id)) {
try out.print("@\"{}\"", .{id});
} else {
try out.writeAll(id);
}
}
pub const CaseStyle = enum {
snake,
screaming_snake,
@@ -194,13 +139,13 @@ pub const IdRenderer = struct {
}
pub fn render(self: IdRenderer, out: anytype, id: []const u8) !void {
try writeIdentifier(out, id);
try out.print("{z}", .{ id });
}
pub fn renderFmt(self: *IdRenderer, out: anytype, comptime fmt: []const u8, args: anytype) !void {
self.text_cache.items.len = 0;
try std.fmt.format(self.text_cache.writer(), fmt, args);
try writeIdentifier(out, self.text_cache.items);
try out.print("{z}", .{ self.text_cache.items });
}
pub fn renderWithCase(self: *IdRenderer, out: anytype, case_style: CaseStyle, id: []const u8) !void {
@@ -217,7 +162,7 @@ pub const IdRenderer = struct {
.camel => try self.renderCamel(false, adjusted_id, tag),
}
try writeIdentifier(out, self.text_cache.items);
try out.print("{z}", .{ self.text_cache.items });
}
pub fn getAuthorTag(self: IdRenderer, id: []const u8) ?[]const u8 {