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// Generated by re2java
// re2java $INPUT -o $OUTPUT
// This example shows how to combine reusable re2c blocks: two blocks
// ('colors' and 'fish') are merged into one. The 'salmon' rule occurs
// in both blocks; the 'fish' block takes priority because it is used
// earlier. Default rule * occurs in all three blocks; the local (not
// inherited) definition takes priority.
class Main {
enum Ans {COLOR, FISH, DUNNO};
static Ans lex(String yyinput) { // no-throw, as '*' rules are overridden
int yycursor = 0;
int yymarker = 0;
{
char yych = 0;
int yystate = 0;
yyl: while (true) {
switch (yystate) {
case 0:
yych = yyinput.charAt(yycursor);
yycursor += 1;
switch (yych) {
case 0x65:
yystate = 3;
continue yyl;
case 0x68:
yystate = 4;
continue yyl;
case 0x6D:
yystate = 5;
continue yyl;
case 0x72:
yystate = 6;
continue yyl;
case 0x73:
yystate = 7;
continue yyl;
default:
yystate = 1;
continue yyl;
}
case 1:
yystate = 2;
continue yyl;
case 2:
{ return Ans.DUNNO; }
case 3:
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x65:
yycursor += 1;
yystate = 8;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 4:
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x61:
yycursor += 1;
yystate = 10;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 5:
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x61:
yycursor += 1;
yystate = 11;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 6:
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x65:
yycursor += 1;
yystate = 12;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 7:
yymarker = yycursor;
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x61:
yycursor += 1;
yystate = 13;
continue yyl;
default:
yystate = 2;
continue yyl;
}
case 8:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6C:
yycursor += 1;
yystate = 14;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 9:
yycursor = yymarker;
yystate = 2;
continue yyl;
case 10:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x64:
yycursor += 1;
yystate = 15;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 11:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x67:
yycursor += 1;
yystate = 16;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 12:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x64:
yycursor += 1;
yystate = 17;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 13:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6C:
yycursor += 1;
yystate = 18;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 14:
{ return Ans.FISH; }
case 15:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x64:
yycursor += 1;
yystate = 19;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 16:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x65:
yycursor += 1;
yystate = 20;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 17:
{ return Ans.COLOR; }
case 18:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6D:
yycursor += 1;
yystate = 21;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 19:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6F:
yycursor += 1;
yystate = 22;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 20:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6E:
yycursor += 1;
yystate = 23;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 21:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6F:
yycursor += 1;
yystate = 24;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 22:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x63:
yycursor += 1;
yystate = 25;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 23:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x74:
yycursor += 1;
yystate = 26;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 24:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6E:
yycursor += 1;
yystate = 14;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 25:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x6B:
yycursor += 1;
yystate = 14;
continue yyl;
default:
yystate = 9;
continue yyl;
}
case 26:
yych = yyinput.charAt(yycursor);
switch (yych) {
case 0x61:
yycursor += 1;
yystate = 17;
continue yyl;
default:
yystate = 9;
continue yyl;
}
default:
throw new IllegalStateException("internal lexer error");
}
}
}
}
public static void main(String []args) {
assert lex("salmon") == Ans.FISH;
assert lex("what?") == Ans.DUNNO;
}
};
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