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/* Generated by re2d */
// re2d $INPUT -o $OUTPUT -i
import core.stdc.stdlib;
import core.stdc.string;
enum YYMaxFill = 2;
private int lex_simple(immutable char[] str) {
const(char)* yycursor = cast(char*)str;
const(char)* yylimit = yycursor + str.length;;
const(char)* yymarker;
{
char yych;
if (yylimit <= yycursor) goto yy8;
yych = *yycursor;
switch (yych) {
case 'a': goto yy3;
case 'b': goto yy4;
case 'c': goto yy5;
default: goto yy1;
}
yy1:
++yycursor;
yy2:
{ return 1; }
yy3:
++yycursor;
if (yylimit <= yycursor) goto yy9;
{ return 3; }
yy4:
++yycursor;
{ return 4; }
yy5:
yymarker = ++yycursor;
if (yylimit <= yycursor) goto yy10;
yych = *yycursor;
switch (yych) {
case 'c': goto yy6;
default: goto yy2;
}
yy6:
++yycursor;
if (yylimit <= yycursor) goto yy10;
yych = *yycursor;
switch (yych) {
case 'c': goto yy6;
default: goto yy7;
}
yy7:
yycursor = yymarker;
goto yy2;
yy8:
{ return 0; }
yy9:
{ return 2; }
yy10:
{ return 5; }
}
}
private int lex_eof(immutable char[] str) {
const(char)* yycursor = cast(char*)str;
const(char)* yylimit = yycursor + str.length;
const(char)* yymarker;
{
char yych;
yyFillLabel0:
yych = *yycursor;
switch (yych) {
case 'a': goto yy14;
case 'b': goto yy15;
case 'c': goto yy16;
default:
if (yylimit <= yycursor) {
if (0) goto yyFillLabel0;
goto yy19;
}
goto yy12;
}
yy12:
++yycursor;
yy13:
{ return 1; }
yy14:
++yycursor;
if (yycursor == yylimit) goto yy20;
{ return 3; }
yy15:
++yycursor;
{ return 4; }
yy16:
yymarker = ++yycursor;
yyFillLabel1:
yych = *yycursor;
switch (yych) {
case 'c': goto yy17;
default:
if (yylimit <= yycursor) {
if (0) goto yyFillLabel1;
goto yy21;
}
goto yy13;
}
yy17:
++yycursor;
yyFillLabel2:
yych = *yycursor;
switch (yych) {
case 'c': goto yy17;
default:
if (yylimit <= yycursor) {
if (0) goto yyFillLabel2;
goto yy21;
}
goto yy18;
}
yy18:
yycursor = yymarker;
goto yy13;
yy19:
{ return 0; }
yy20:
{ return 2; }
yy21:
{ return 5; }
}
}
private int lex_scc(immutable char[] str) {
static char[256] buf;
char* yycursor = cast(char*)buf;
char* end = yycursor + str.length;
char* yylimit = end + YYMaxFill;
char* yymarker;
memcpy(cast(void*)buf, cast(const(void*))str, str.length);
memset(end, 0, YYMaxFill);
{
char yych;
if (yycursor == end) goto yy30;
if ((yylimit - yycursor) < 2) return -1;
yych = *yycursor;
switch (yych) {
case 'a': goto yy25;
case 'b': goto yy26;
case 'c': goto yy27;
default: goto yy23;
}
yy23:
++yycursor;
yy24:
{ return 1; }
yy25:
++yycursor;
if (yycursor == end) goto yy31;
{ return 3; }
yy26:
++yycursor;
{ return 4; }
yy27:
yymarker = ++yycursor;
if (yycursor == end) goto yy32;
yych = *yycursor;
switch (yych) {
case 'c': goto yy28;
default: goto yy24;
}
yy28:
++yycursor;
if (yycursor == end) goto yy32;
if (yylimit <= yycursor) return -1;
yych = *yycursor;
switch (yych) {
case 'c': goto yy28;
default: goto yy29;
}
yy29:
yycursor = yymarker;
goto yy24;
yy30:
{ return 0; }
yy31:
{ return 2; }
yy32:
{ return 5; }
}
}
private void test(immutable char[] str, int ret) {
assert(lex_simple(str) == ret);
assert(lex_eof(str) == ret);
assert(lex_scc(str) == ret);
}
void main() {
test("", 0);
test("a", 2);
test("ax", 3);
test("b", 4);
test("bx", 4);
test("ccc", 5);
}
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