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/* Generated by re2c */
// re2c $INPUT -o $OUTPUT -i
#include <assert.h>
#include <string.h>
#define YYMAXFILL 2
static int lex_simple(const char *str, unsigned int len) {
const char *YYCURSOR = str, *YYLIMIT = str + len, *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; }
}
}
static int lex_eof(const char *str, unsigned int len) {
const char *YYCURSOR = str, *YYLIMIT = str + len, *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; }
}
}
static int lex_scc(const char *str, unsigned int len) {
static char buf[256];
char *end = buf + len, *YYCURSOR = buf, *YYLIMIT = end + YYMAXFILL, *YYMARKER;
memcpy(buf, str, len);
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; }
}
}
#define TEST(s, r) do { \
assert(lex_simple(s, sizeof(s) - 1) == r); \
assert(lex_eof(s, sizeof(s) - 1) == r); \
assert(lex_scc(s, sizeof(s) - 1) == r); \
} while (0)
int main() {
TEST("", 0);
TEST("a", 2);
TEST("ax", 3);
TEST("b", 4);
TEST("bx", 4);
TEST("ccc", 5);
return 0;
}
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