Viewing file:  reuse.c (2.5 KB) -rw-r--r--
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/* Generated by re2c */
#line 1 "c/reuse/reuse.re"
// re2c $INPUT -o $OUTPUT --input-encoding utf8
#include <assert.h>
#include <stdint.h>
// This example supports multiple input encodings: UTF-8 and UTF-32.
// Both lexers are generated from the same rules block, and the use
// blocks add only encoding-specific configurations.
#line 13 "c/reuse/reuse.re"
static int lex_utf8(const uint8_t *s) {
const uint8_t *YYCURSOR = s, *YYMARKER;
#line 17 "c/reuse/reuse.c"
{
uint8_t yych;
yych = *YYCURSOR;
switch (yych) {
case 0xE2: goto yy3;
default: goto yy1;
}
yy1:
++YYCURSOR;
yy2:
#line 12 "c/reuse/reuse.re"
{ return 1; }
#line 30 "c/reuse/reuse.c"
yy3:
yych = *(YYMARKER = ++YYCURSOR);
switch (yych) {
case 0x88: goto yy4;
default: goto yy2;
}
yy4:
yych = *++YYCURSOR;
switch (yych) {
case 0x80: goto yy6;
default: goto yy5;
}
yy5:
YYCURSOR = YYMARKER;
goto yy2;
yy6:
yych = *++YYCURSOR;
switch (yych) {
case 'x': goto yy7;
default: goto yy5;
}
yy7:
yych = *++YYCURSOR;
switch (yych) {
case ' ': goto yy8;
default: goto yy5;
}
yy8:
yych = *++YYCURSOR;
switch (yych) {
case 0xE2: goto yy9;
default: goto yy5;
}
yy9:
yych = *++YYCURSOR;
switch (yych) {
case 0x88: goto yy10;
default: goto yy5;
}
yy10:
yych = *++YYCURSOR;
switch (yych) {
case 0x83: goto yy11;
default: goto yy5;
}
yy11:
yych = *++YYCURSOR;
switch (yych) {
case 'y': goto yy12;
default: goto yy5;
}
yy12:
++YYCURSOR;
#line 11 "c/reuse/reuse.re"
{ return 0; }
#line 86 "c/reuse/reuse.c"
}
#line 20 "c/reuse/reuse.re"
}
static int lex_utf32(const uint32_t *s) {
const uint32_t *YYCURSOR = s, *YYMARKER;
#line 95 "c/reuse/reuse.c"
{
uint32_t yych;
yych = *YYCURSOR;
if (yych == 0x00002200) goto yy15;
++YYCURSOR;
yy14:
#line 12 "c/reuse/reuse.re"
{ return 1; }
#line 104 "c/reuse/reuse.c"
yy15:
yych = *(YYMARKER = ++YYCURSOR);
if (yych != 'x') goto yy14;
yych = *++YYCURSOR;
if (yych == ' ') goto yy17;
yy16:
YYCURSOR = YYMARKER;
goto yy14;
yy17:
yych = *++YYCURSOR;
if (yych != 0x00002203) goto yy16;
yych = *++YYCURSOR;
if (yych != 'y') goto yy16;
++YYCURSOR;
#line 11 "c/reuse/reuse.re"
{ return 0; }
#line 121 "c/reuse/reuse.c"
}
#line 28 "c/reuse/reuse.re"
}
int main() {
static const uint8_t s8[] = // UTF-8
{ 0xe2, 0x88, 0x80, 0x78, 0x20, 0xe2, 0x88, 0x83, 0x79 };
static const uint32_t s32[] = // UTF32
{ 0x00002200, 0x00000078, 0x00000020, 0x00002203, 0x00000079 };
assert(lex_utf8(s8) == 0);
assert(lex_utf32(s32) == 0);
return 0;
}
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