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|
// Generated by re2zig
// re2zig $INPUT -o $OUTPUT
const std = @import("std");
fn lex(yyinput: [:0]const u8) bool {
var yycursor: u32 = 0;
var yymarker: u32 = 0;
var yych: u8 = 0;
var yystate: u32 = 0;
yyl: while (true) {
switch (yystate) {
0 => {
yych = yyinput[yycursor];
yycursor += 1;
switch (yych) {
0x07 => {
yystate = 3;
continue :yyl;
},
else => {
yystate = 1;
continue :yyl;
},
}
},
1 => {
yystate = 2;
continue :yyl;
},
2 => {
_ = [_]u8{'\n', '\r', '\t', '\\', '\'', '\"'};
return false;
},
3 => {
yymarker = yycursor;
yych = yyinput[yycursor];
switch (yych) {
0x08 => {
yycursor += 1;
yystate = 4;
continue :yyl;
},
else => {
yystate = 2;
continue :yyl;
},
}
},
4 => {
yych = yyinput[yycursor];
switch (yych) {
0x0C => {
yycursor += 1;
yystate = 6;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
5 => {
yycursor = yymarker;
yystate = 2;
continue :yyl;
},
6 => {
yych = yyinput[yycursor];
switch (yych) {
0x0A => {
yycursor += 1;
yystate = 7;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
7 => {
yych = yyinput[yycursor];
switch (yych) {
0x0D => {
yycursor += 1;
yystate = 8;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
8 => {
yych = yyinput[yycursor];
switch (yych) {
0x09 => {
yycursor += 1;
yystate = 9;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
9 => {
yych = yyinput[yycursor];
switch (yych) {
0x0B => {
yycursor += 1;
yystate = 10;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
10 => {
yych = yyinput[yycursor];
switch (yych) {
0x5C => {
yycursor += 1;
yystate = 11;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
11 => {
yych = yyinput[yycursor];
switch (yych) {
0x27 => {
yycursor += 1;
yystate = 12;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
12 => {
yych = yyinput[yycursor];
switch (yych) {
0x22 => {
yycursor += 1;
yystate = 13;
continue :yyl;
},
else => {
yystate = 5;
continue :yyl;
},
}
},
13 => { return true; },
else => { @panic("internal lexer error"); },
}
}
}
test {
try std.testing.expect(lex("\x07\x08\x0c\x0a\x0d\x09\x0b\\'\""));
}
|
