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#define _GNU_SOURCE
#include "./include/ast.h"
#include "./include/hash_table.h"
#include "./include/lexer.h"
#include "./include/parser.h"
#include "./include/print.h"
#include "./include/stack.h"
#include "./include/token.h"
#include "./include/visitor.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Read the file into allocated memory.
// Return NULL on error.
int main(int argc, char **argv) {
/* DONE: TEST LEXER */
/* lexer_t *lexer = init_lexer("'(fasd asdf)"); */
/* token_t *t = lexer_collect_next(lexer); */
/* while (t != NULL) { */
/* printf("%d: %s\n", t->type, t->value); */
/* t = lexer_collect_next(lexer); */
/* } */
/* DONE: TEST PARSER, VISITOR, PRINTER (self evaluating types) */
/* lexer_t *lexer = init_lexer("\"hello world\""); */
/* parser_t *parser = init_parser(lexer); */
/* visitor_t *visitor = init_visitor(parser); */
/* ast_t *root = eval(visitor); */
/* print_root(root); */
/* DONE: TEST PARSING LISTS */
/* lexer_t *lexer = init_lexer("(hello (world #f))"); */
/* parser_t *parser = init_parser(lexer); */
/* ast_t *root = parse_all(parser); */
/* ast_t *list = root->subnodes[0]; */
/* ast_t *hello = list->car; */
/* ast_t *inner = list->cdr->car; */
/* ast_t *world = inner->car; */
/* ast_t *fal = inner->cdr->car; */
/* printf("%s\n", hello->string_value); */
/* printf("%s\n", world->string_value); */
/* printf("%d\n", fal->bool_value); */
/* DONE: TEST PARSING FUNCTIONS */
/* lexer_t *lexer = init_lexer("(lambda (x) (y))"); */
/* parser_t *parser = init_parser(lexer); */
/* ast_t *root = parse_all(parser); */
/* ast_t *func = root->subnodes[0]; */
/* ast_t *args = func->car; */
/* ast_t *expr = func->cdr; */
/* printf("%d\t%s\t\%s\n", func->type, args->car->string_value, */
/* expr->car->string_value); */
/* DONE: TEST PARSING QUOTE */
/* lexer_t *lexer = init_lexer("'(hello)"); */
/* parser_t *parser = init_parser(lexer); */
/* ast_t *root = parse_all(parser); */
/* ast_t *quote = root->subnodes[0]; */
/* printf("%s\n", quote->cdr->car->car->string_value); */
/* DONE: TEST PARSING AND STORING BINDINGS */
/* lexer_t *lexer = init_lexer("(bind x \"hello world\")"); */
/* parser_t *parser = init_parser(lexer); */
/* parse_all(parser); */
/* if (hash_table_exists(parser->symbol_table, "x")) { */
/* printf("YES!\n"); */
/* ast_t *str = hash_table_get(parser->symbol_table, "x"); */
/* printf("%s\n", str->string_value); */
/* } */
/* TODO: TEST HASH TABLE COLLISIONS */
/* DONE: TEST BUILTIN FUNCTIONS */
/* lexer_t *lexer = init_lexer("(* (+ 3.0 4.0) 4)"); */
/* parser_t *parser = init_parser(lexer); */
/* visitor_t *visitor = init_visitor(parser); */
/* ast_t *root = eval(visitor); */
/* ast_t *res = root->subnodes[0]; */
/* print(res); */
/* DONE: TEST NON-BUILTIN FUNCTIONS (stack frame) */
/* lexer_t *lexer = init_lexer("(if (= (+ 3 2) 5) 1 2)"); */
/* parser_t *parser = init_parser(lexer); */
/* visitor_t *visitor = init_visitor(parser); */
/* ast_t *root = eval(visitor); */
/* print_root(root); */
/* DONE: TEST RECURSION */
/* char *expr = "(if (= 0 0) 1 2)"; */
/* char *expr = "(bind factorial (lambda (n) (if (= n 0) 1 (* n (factorial (-
* n " */
/* "1)))))) (factorial 3)"; */
/* lexer_t *lexer = init_lexer(expr); */
/* parser_t *parser = init_parser(lexer); */
/* visitor_t *visitor = init_visitor(parser); */
/* ast_t *root = eval(visitor); */
/* print_root(root); */
/* lexer_t *lexer = init_lexer("((lambda (x y) (+ x y)) (+ 3 4) 4) (+ 3
* 4)"); */
/* printf("debug 1\n"); */
/* parser_t *parser = init_parser(lexer); */
/* printf("debug 2\n"); */
/* visitor_t *visitor = init_visitor(parser); */
/* printf("debug 3\n"); */
/* ast_t *root = eval(visitor); */
/* printf("debug 4\n"); */
/* print_root(root); */
/* printf("debug 5\n"); */
/* ast_t *res = root->subnodes[0]; */
/* print(res); */
/* TODO: TEST REPL POSSIBILITY */
/* printf("Welcome to the NXS REPL.\n"); */
/* char *buf = malloc(2); */
/* size_t size = 2; */
/* lexer_t *lexer; */
/* lexer = init_lexer("a"); */
/* while (true) { */
/* printf("> "); */
/* fflush(stdout); */
/* getline(&buf, &size, stdin); */
/* lexer_reset(lexer, buf); */
/* } */
/* DONE: BE ABLE TO READ IN FILE AS INPUT */
if (argc < 2) {
printf("TOO FEW ARGUMENTS.\n");
exit(1);
}
char *filename = argv[1];
char *buffer = 0;
long length;
FILE *f = fopen(filename, "rb");
if (f) {
fseek(f, 0, SEEK_END);
length = ftell(f);
fseek(f, 0, SEEK_SET);
buffer = malloc(length);
if (buffer) {
fread(buffer, 1, length, f);
}
fclose(f);
}
if (buffer) {
/* lexer_t *lexer = init_lexer(buffer); */
/* token_t *t = lexer_collect_next(lexer); */
/* while (t != NULL) { */
/* printf("%d: %s\n", t->type, t->value); */
/* t = lexer_collect_next(lexer); */
/* } */
/* printf("%s", buffer); */
lexer_t *lexer = init_lexer(buffer);
parser_t *parser = init_parser(lexer);
visitor_t *visitor = init_visitor(parser);
ast_t *root = eval(visitor);
print_root(root);
}
return 0;
}
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