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/* Generated by re2c */
// re2c $INPUT -o $OUTPUT --input-encoding utf8 --recursive-functions -i
// 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.
#include <assert.h>
#include <stdint.h>
struct State8 {
const uint8_t* cur;
const uint8_t* mar;
};
int yy0(State8& st);
int yy1(State8& st);
int yy2(State8& st);
int yy3(State8& st);
int yy4(State8& st);
int yy5(State8& st);
int yy6(State8& st);
int yy7(State8& st);
int yy8(State8& st);
int yy9(State8& st);
int yy10(State8& st);
int yy11(State8& st);
int yy12(State8& st);
int lex_utf8(State8& st);
int yy0(State8& st) {
uint8_t yych = *st.cur++;
switch (yych) {
case 0xE2: return yy3(st);
default: return yy1(st);
}
}
int yy1(State8& st) {
return yy2(st);
}
int yy2(State8& st) {
return 1;
}
int yy3(State8& st) {
uint8_t yych = *(st.mar = st.cur);
switch (yych) {
case 0x88:
++st.cur;
return yy4(st);
default: return yy2(st);
}
}
int yy4(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 0x80:
++st.cur;
return yy6(st);
default: return yy5(st);
}
}
int yy5(State8& st) {
st.cur = st.mar;
return yy2(st);
}
int yy6(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 'x':
++st.cur;
return yy7(st);
default: return yy5(st);
}
}
int yy7(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case ' ':
++st.cur;
return yy8(st);
default: return yy5(st);
}
}
int yy8(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 0xE2:
++st.cur;
return yy9(st);
default: return yy5(st);
}
}
int yy9(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 0x88:
++st.cur;
return yy10(st);
default: return yy5(st);
}
}
int yy10(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 0x83:
++st.cur;
return yy11(st);
default: return yy5(st);
}
}
int yy11(State8& st) {
uint8_t yych = *st.cur;
switch (yych) {
case 'y':
++st.cur;
return yy12(st);
default: return yy5(st);
}
}
int yy12(State8& st) {
return 0;
}
int lex_utf8(State8& st) {
return yy0(st);
}
struct State32 {
const uint32_t* cur;
const uint32_t* mar;
};
int yy13(State32& st);
int yy14(State32& st);
int yy15(State32& st);
int yy16(State32& st);
int yy17(State32& st);
int yy18(State32& st);
int yy19(State32& st);
int yy20(State32& st);
int yy21(State32& st);
int lex_utf32(State32& st);
int yy13(State32& st) {
uint32_t yych = *st.cur++;
if (yych == 0x00002200) return yy16(st);
else return yy14(st);
}
int yy14(State32& st) {
return yy15(st);
}
int yy15(State32& st) {
return 1;
}
int yy16(State32& st) {
uint32_t yych = *(st.mar = st.cur);
if (yych == 'x') {
++st.cur;
return yy17(st);
} else {
return yy15(st);
}
}
int yy17(State32& st) {
uint32_t yych = *st.cur;
if (yych == ' ') {
++st.cur;
return yy19(st);
} else {
return yy18(st);
}
}
int yy18(State32& st) {
st.cur = st.mar;
return yy15(st);
}
int yy19(State32& st) {
uint32_t yych = *st.cur;
if (yych == 0x00002203) {
++st.cur;
return yy20(st);
} else {
return yy18(st);
}
}
int yy20(State32& st) {
uint32_t yych = *st.cur;
if (yych == 'y') {
++st.cur;
return yy21(st);
} else {
return yy18(st);
}
}
int yy21(State32& st) {
return 0;
}
int lex_utf32(State32& st) {
return yy13(st);
}
int main() {
static const uint8_t s8[] = // UTF-8
{ 0xe2, 0x88, 0x80, 0x78, 0x20, 0xe2, 0x88, 0x83, 0x79 };
State8 st8 = {s8, nullptr};
static const uint32_t s32[] = // UTF32
{ 0x00002200, 0x00000078, 0x00000020, 0x00002203, 0x00000079 };
State32 st32 = {s32, nullptr};
assert(lex_utf8(st8) == 0);
assert(lex_utf32(st32) == 0);
return 0;
}
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