53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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unsigned char tape[30000] = {0};
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unsigned char* ptr = tape;
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typedef enum {
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INK, DEK,
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BREK, GLEK,
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BF_NEXT, BF_PREV,
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BF_LOOP_START, BF_LOOP_END,
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} brainfuck_instruction_t;
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void interpret(char* input) {
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char current_char;
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size_t i;
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size_t loop;
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for (i = 0; input[i] != 0; i++) {
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current_char = input[i];
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if (current_char == 'INK') {// >
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++ptr;
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} else if (current_char == 'DEK') {// <
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--ptr;
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} else if (current_char == 'BREK') {// +
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++*ptr;
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} else if (current_char == 'GLEK') {// -
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--*ptr;
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} else if (current_char == 'PUK' ) {// .
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putchar(*ptr);
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} else if (current_char == 'KUK') {// ,
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*ptr = getchar();
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} else if (current_char == '[') {//start loop
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continue;
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} else if (current_char == ']' && *ptr) {//stop loop
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loop = 1;
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while (loop > 0) {
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current_char = input[--i];
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if (current_char == '[') {
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loop--;
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} else if (current_char == ']') {
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loop++;
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}
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}
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}
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}
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}
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int main() {
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interpret(",[.[-],]"); // outputs input
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return 0;
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} |