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/* Generated by re2c */
#line 1 "ctx.s.re"
#include <cstring>
#include <iostream>
struct Scanner
{
Scanner(char *txt)
: cur(txt), lim(txt + strlen(txt))
{
}
char *cur;
char *lim;
char *ptr;
char *ctx;
char *tok;
};
#define YYCTYPE char
#define YYCURSOR s.cur
#define YYLIMIT s.lim
#define YYMARKER s.ptr
#define YYCTXMARKER s.ctx
#define YYFILL(n)
enum What
{
UNEXPECTED,
KEYWORD,
NUMBER,
EOI
};
char * tokens[] = { "UNEXPECTED", "KEYWORD", "NUMBER", "EOI" };
int scan(Scanner &s)
{
YYCTYPE *cursor = s.cur;
if(cursor == s.lim)
return EOI;
std:
s.tok = cursor;
#line 50 "ctx.s.c"
{
YYCTYPE yych;
if ((YYLIMIT - YYCURSOR) < 3) YYFILL(3);
yych = *YYCURSOR;
if (yych <= ' ') {
if (yych <= 0x08) goto yy2;
if (yych <= '\n') goto yy4;
if (yych >= ' ') goto yy4;
} else {
if (yych <= '9') {
if (yych >= '0') goto yy6;
} else {
if (yych <= '`') goto yy2;
if (yych <= 'b') goto yy9;
}
}
yy2:
++YYCURSOR;
yy3:
#line 60 "ctx.s.re"
{
return UNEXPECTED;
}
#line 74 "ctx.s.c"
yy4:
++YYCURSOR;
#line 53 "ctx.s.re"
{
if(s.cur == s.lim)
return EOI;
cursor = s.cur;
goto std;
}
#line 84 "ctx.s.c"
yy6:
++YYCURSOR;
if (YYLIMIT <= YYCURSOR) YYFILL(1);
yych = *YYCURSOR;
if (yych <= '/') goto yy8;
if (yych <= '9') goto yy6;
yy8:
#line 50 "ctx.s.re"
{ return NUMBER; }
#line 94 "ctx.s.c"
yy9:
yych = *++YYCURSOR;
if (yych <= '/') goto yy3;
if (yych == '1') {
YYCTXMARKER = YYCURSOR;
goto yy13;
}
if (yych >= ':') goto yy3;
YYCTXMARKER = YYCURSOR;
yy10:
++YYCURSOR;
if (YYLIMIT <= YYCURSOR) YYFILL(1);
yych = *YYCURSOR;
if (yych <= '/') goto yy12;
if (yych <= '9') goto yy10;
yy12:
YYCURSOR = YYCTXMARKER;
#line 49 "ctx.s.re"
{ return KEYWORD; }
#line 114 "ctx.s.c"
yy13:
yych = *++YYCURSOR;
if (yych <= '/') goto yy14;
if (yych <= '9') goto yy10;
yy14:
YYCURSOR -= 1;
#line 48 "ctx.s.re"
{ return KEYWORD; }
#line 123 "ctx.s.c"
}
#line 63 "ctx.s.re"
}
#define YYMAXFILL 3
int main(int,char**)
{
Scanner s("a77 a1 b8 b1");
int t, n = 0;
while ((t = scan(s)) != EOI)
{
std::cout << (++n) << ": " << tokens[t] << " = \""; std::cout.write(s.tok, s.cur-s.tok); std::cout << "\"" << std::endl;
}
}
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