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122 lines
2.0 KiB
C
122 lines
2.0 KiB
C
#include <parser.h>
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#include <builtins.h>
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#include "stack.h"
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#include <memory.h>
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#include <stdio.h>
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//#include <stdlib.h>
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#include <string.h>
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extern int rand(void);
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int s_put(interpreter *it)
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{
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char *s = igetarg_string(it, 0);
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printf("%s", s);
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return 0;
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}
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int s_type(interpreter *it)
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{
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variable *v = (variable *)it->stack[0];
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switch (v->valtype) {
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case STRING:
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puts("string");
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break;
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case INTEGER:
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puts("integer");
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break;
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case FLOAT:
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puts("float");
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break;
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case FUNC:
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puts("func");
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break;
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default:
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puts("unknown");
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break;
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}
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return 0;
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}
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int input(interpreter *it)
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{
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variable *v = igetarg(it, 0);
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v->valtype = STRING;
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v->svalue = malloc(128);
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unsigned int unused;
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getline(&v->svalue, &unused, stdin);
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*strchr(v->svalue, '\n') = '\0';
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return 0;
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}
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int concat(interpreter *it)
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{
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variable *v = igetarg(it, 0);
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char *s = igetarg_string(it, 1);
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char *new = malloc(strlen(v->svalue) + strlen(s) + 1);
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strcpy(new, v->svalue);
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strcpy(new + strlen(v->svalue), s);
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new[strlen(v->svalue) + strlen(s)] = 0;
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v->svalue = new;
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return 0;
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}
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int script_rand(interpreter *it)
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{
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static variable v;
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v.valtype = INTEGER;
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unsigned int mod = igetarg_integer(it, 0);
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unsigned int val = rand();
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INT(&v) = val % mod;
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isetstr(&v);
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iret(it, &v);
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return 0;
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}
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int line(interpreter *it)
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{
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(void)it;
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return 0;
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}
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int main(int argc, char **argv)
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{
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interpreter interp;
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if (argc != 2) {
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printf("Usage: %s file\n", argv[0]);
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return -1;
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}
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FILE *fp = fopen(argv[1], "r");
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if (fp == 0) {
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printf("Could not open file: %s\n", argv[1]);
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return -1;
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}
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iinit(&interp);
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inew_cfunc(&interp, "print", s_put);
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inew_cfunc(&interp, "tp", s_type);
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inew_cfunc(&interp, "gets", input);
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inew_cfunc(&interp, "concat", concat);
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inew_cfunc(&interp, "rand", script_rand);
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inew_cfunc(&interp, "line", line);
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char *line = 0;
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unsigned int size;
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int result;
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while (getline(&line, &size, fp) != -1) {
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*strchr(line, '\n') = '\0';
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result = idoline(&interp, line);
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if (result != 0)
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printf("Error: %d\n", result);
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}
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fclose(fp);
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iend(&interp);
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return 0;
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}
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