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// Generated by re2zig
// re2zig $INPUT -o $OUTPUT
const std = @import("std");
fn lex_unsigned(str: [:0]const u8) bool {
var cur: u32 = 0;
var yych: u8 = 0;
var yystate: u32 = 0;
yyl: while (true) {
switch (yystate) {
0 => {
yych = str[cur];
cur += 1;
if (yych >= 0xFF) {
yystate = 1;
continue :yyl;
}
return false;
},
1 => { return true; },
else => { @panic("internal lexer error"); },
}
}
}
fn lex_signed(str: [:0]const u8) bool {
var cur: u32 = 0;
var yych: i8 = 0;
var yystate: u32 = 0;
yyl: while (true) {
switch (yystate) {
0 => {
yych = @bitCast(str[cur]);
cur += 1;
if (yych >= 0xFF) {
yystate = 1;
continue :yyl;
}
return false;
},
1 => { return true; },
else => { @panic("internal lexer error"); },
}
}
}
test {
try std.testing.expect(lex_unsigned("\xff"));
try std.testing.expect(!lex_signed("\xff")); // error - lexer works incorrectly
}
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