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#include <xc.h>
#include <stdlib.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include "init.h"
#include "t6963c/t6963c.h"
#include "t6963c/terminal.h"
#include "fuspel/interpreter/lex.h"
#include "fuspel/interpreter/parse.h"
#include "fuspel/interpreter/eval.h"
#include "fuspel/interpreter/print.h"
#include "fuspel/interpreter/mem.h"
static Terminal* term;
int __attribute__((__weak__, __section__(".libc"))) write(
int handle, void *buff, unsigned int len) {
terminal.append_n(term, (char*) buff, len);
return len;
}
void init_terminal(void) {
term = terminal.construct(t6963c_rows * t6963c_columns);
term->update = t6963c_update_terminal;
}
static char* program =
"mul a b = code mul a b;"
"sub a b = code sub a b;"
"prod = foldr mul 1;"
"faclist 0 = [];"
"faclist n = [n:faclist (sub 1 n)];"
"foldr op r [] = r;"
"foldr op r [a:x] = op a (foldr op r x);"
"main = prod (faclist 5);";
int main(void) {
init();
init_terminal();
token_list* tokens;
fuspel* pgm;
expression* result;
tokens = lex(NULL, program);
pgm = parse(tokens);
free_token_list(tokens);
free(tokens);
print_fuspel(pgm);
printf("\n\n");
result = eval_main(pgm);
if (result) {
print_expression(result);
printf("\n");
free_expression(result);
free(result);
} else {
printf("Evaluation failed...\n\n");
}
free_fuspel(pgm);
free(pgm);
while (1) Idle();
return 0;
}
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