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