Fixed float addition.

One can now add floats, will also print the AST.

src/exec.c

@@ -8,13 +8,11 @@
 extern AST* root;
 
 ASTNumData exec_expr(AST* ast) {
-    ast_print(ast);
+    // ast_print(ast);
     log_dbg("Started execution.");
     switch (ast->type) {
         case AST_TYPE_CALL: return exec_call(ast);
-        case AST_TYPE_NUM:
-            exec_print(*(ASTNumData*)ast->data);
-            return *(ASTNumData*)ast->data;
+        case AST_TYPE_NUM:  return *(ASTNumData*)ast->data;
         default:            printf("what\n");
     }
 }

src/grammar.y

@@ -37,10 +37,9 @@ input:
 exp:
     NUM { $$ = ast_init(AST_TYPE_NUM, ast_num_data_init($1)); }
     | NUM PLUS NUM {
-        AST* argv[2] = {
-            ast_init(AST_TYPE_NUM, ast_num_data_init($1)),
-            ast_init(AST_TYPE_NUM, ast_num_data_init($3))
-        };
+        AST** argv = calloc(2, sizeof(AST*));
+        argv[0] = ast_init(AST_TYPE_NUM, ast_num_data_init($1));
+        argv[1] = ast_init(AST_TYPE_NUM, ast_num_data_init($3));
         $$ = ast_init(AST_TYPE_CALL, ast_call_data_init("+", 2, argv));
     }
 

src/main.c

@@ -40,12 +40,11 @@ int main(int argc, char** argv) {
         log_dbgf("cline: %s", ln->buf);
 
         if (ln->ln > 0) {
-            // I hope to god it's null-terminated.
             inp = ln->buf;
             if (yyparse() == 0) printf("Parsed successfully!\n");
             else printf("Parse error.\n");
 
-            // exec_expr(root);
+            exec_print(exec_expr(root));
             ast_print(root);
         }