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// Generated by re2java
// re2java $INPUT -o $OUTPUT
class Main {
enum Num {INT, FLOAT, NAN};
static Num lex(String yyinput) {
int yycursor = 0;
int yymarker = 0;
{
char yych = 0;
int yyaccept = 0;
int yystate = 0;
yyl: while (true) {
switch (yystate) {
case 0:
yych = yyinput.charAt(yycursor);
yycursor += 1;
switch (yych) {
case 0x2E:
yystate = 3;
continue yyl;
case 0x30:
yystate = 4;
continue yyl;
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yystate = 5;
continue yyl;
default:
yystate = 1;
continue yyl;
}
case 1:
yystate = 2;
continue yyl;
case 2:
{ return Num.NAN; }
case 3:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 7;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 4:
yyaccept = 0;
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x2E:
yycursor += 1;
yystate = 7;
continue yyl;
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 9;
continue yyl;
case 0x45:
case 0x65:
yycursor += 1;
yystate = 11;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 5:
yyaccept = 1;
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x2E:
yycursor += 1;
yystate = 7;
continue yyl;
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 5;
continue yyl;
case 0x45:
case 0x65:
yycursor += 1;
yystate = 11;
continue yyl;
default:
yystate = 6;
continue yyl;
}
case 6:
{ return Num.INT; }
case 7:
yyaccept = 2;
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 7;
continue yyl;
case 0x45:
case 0x65:
yycursor += 1;
yystate = 11;
continue yyl;
default:
yystate = 8;
continue yyl;
}
case 8:
{ return Num.FLOAT; }
case 9:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x2E:
yycursor += 1;
yystate = 7;
continue yyl;
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 9;
continue yyl;
case 0x45:
case 0x65:
yycursor += 1;
yystate = 11;
continue yyl;
default:
yystate = 10;
continue yyl;
}
case 10:
yycursor = yymarker;
switch (yyaccept) {
case 0:
yystate = 2;
continue yyl;
case 1:
yystate = 6;
continue yyl;
default:
yystate = 8;
continue yyl;
}
case 11:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x2B:
case 0x2D:
yycursor += 1;
yystate = 12;
continue yyl;
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 13;
continue yyl;
default:
yystate = 10;
continue yyl;
}
case 12:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 13;
continue yyl;
default:
yystate = 10;
continue yyl;
}
case 13:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x30:
case 0x31:
case 0x32:
case 0x33:
case 0x34:
case 0x35:
case 0x36:
case 0x37:
case 0x38:
case 0x39:
yycursor += 1;
yystate = 13;
continue yyl;
default:
yystate = 8;
continue yyl;
}
default:
throw new IllegalStateException("internal lexer error");
}
}
}
}
public static void main(String []args) {
assert lex("123\0") == Num.INT;
assert lex("123.4567\0") == Num.FLOAT;
}
};
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