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// Generated by re2java
// re2java $INPUT -o $OUTPUT
class Main {
// Expects a string without terminating null.
static int lex(String str) {
byte[] yyinput = str.getBytes();
int yycursor = 0;
int count = 0;
loop: while (true) {
{
int yych = 0;
int yystate = 0;
yyl: while (true) {
switch (yystate) {
case 0:
yych = (yycursor < yyinput.length) ? Byte.toUnsignedInt(yyinput[yycursor]) : 0;
yycursor += 1;
switch (yych) {
case 0x00:
yystate = 1;
continue yyl;
case 0x20:
yystate = 3;
continue yyl;
case 0x61:
case 0x62:
case 0x63:
case 0x64:
case 0x65:
case 0x66:
case 0x67:
case 0x68:
case 0x69:
case 0x6A:
case 0x6B:
case 0x6C:
case 0x6D:
case 0x6E:
case 0x6F:
case 0x70:
case 0x71:
case 0x72:
case 0x73:
case 0x74:
case 0x75:
case 0x76:
case 0x77:
case 0x78:
case 0x79:
case 0x7A:
yystate = 5;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 1:
{ return count; }
case 2:
{ return -1; }
case 3:
yych = (yycursor < yyinput.length) ? Byte.toUnsignedInt(yyinput[yycursor]) : 0;
switch (yych) {
case 0x20:
yycursor += 1;
yystate = 3;
continue yyl;
default:
yystate = 4;
continue yyl;
}
case 4:
{ continue loop; }
case 5:
yych = (yycursor < yyinput.length) ? Byte.toUnsignedInt(yyinput[yycursor]) : 0;
switch (yych) {
case 0x61:
case 0x62:
case 0x63:
case 0x64:
case 0x65:
case 0x66:
case 0x67:
case 0x68:
case 0x69:
case 0x6A:
case 0x6B:
case 0x6C:
case 0x6D:
case 0x6E:
case 0x6F:
case 0x70:
case 0x71:
case 0x72:
case 0x73:
case 0x74:
case 0x75:
case 0x76:
case 0x77:
case 0x78:
case 0x79:
case 0x7A:
yycursor += 1;
yystate = 5;
continue yyl;
default:
yystate = 6;
continue yyl;
}
case 6:
{ count += 1; continue loop; }
default:
throw new IllegalStateException("internal lexer error");
}
}
}
}
}
public static void main(String []args) {
assert lex("") == 0;
assert lex("one two three") == 3;
assert lex("f0ur") == -1;
}
};
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