Nothing works.

src/ast.c

@@ -1,8 +1,8 @@
 #include <stdio.h>
 
 #include "include/ast.h"
-#include "include/util.h"
 #include "include/dstr.h"
+#include "include/util.h"
 
 extern AST* root;
 
@@ -30,9 +30,7 @@ void ast_destroy(AST* ast) {
     }
 }
 
-void ast_print(AST* ast) {
+void ast_print(AST* ast) { ast_print_i(ast, 0); }
-    ast_print_i(ast, 0);
-}
 
 void ast_print_i(AST* ast, int i) {
     INDENT_BEGIN(i);
@@ -41,8 +39,10 @@ void ast_print_i(AST* ast, int i) {
     INDENT_FIELD("type", "%s", asttype_names[ast->type]);
     INDENT_FIELD_EXT_NONL_START("data");
     switch (ast->type) {
-        case AST_TYPE_NUM: ast_num_print(ast->data, i + 1); break;
+    case AST_TYPE_NUM:
-        case AST_TYPE_CALL: ast_call_print(ast->data, i + 1); break;
+        printf("%s  %lf\n", INDENT_spacing->buf, *(ASTNumData*)ast->data);
+        break;
+    case AST_TYPE_CALL: ast_call_print(ast->data, i + 2); break;
     default:            exit(1);
     }
     INDENT_FIELD_NONL_END;

src/grammar.y

@@ -36,13 +36,20 @@ input:
 
 exp:
     NUM { $$ = ast_init(AST_TYPE_NUM, ast_num_data_init($1)); }
-    | NUM PLUS exp {
+    | NUM PLUS NUM {
+        AST* argv[2] = {
+            ast_init(AST_TYPE_NUM, ast_num_data_init($1)),
+            ast_init(AST_TYPE_NUM, ast_num_data_init($3))
+        };
+        $$ = ast_init(AST_TYPE_CALL, ast_call_data_init("+", 2, argv));
+    }
+    /*| NUM PLUS exp {
         AST* argv[2] = {
             ast_init(AST_TYPE_NUM, ast_num_data_init($1)),
             $3
         };
         $$ = ast_init(AST_TYPE_CALL, ast_call_data_init("+", 2, argv));
-    }/*
+    }
     | exp PLUS exp {
         AST* argv[2] = { $1, $3 };
         $$ = ast_init(AST_TYPE_CALL, ast_call_data_init("+", 2, argv));

src/include/util.h

@@ -50,7 +50,7 @@
 
 // Print & indent the title of a section.
 #define INDENT_TITLE(THING, WHERE)                                             \
-    printf("%s" COL_BCYA THING " @ %p\n" COL_RESET, INDENT_spacing->buf, WHERE);
+    printf("%s" COL_BCYA THING COL_RESET " @" COL_MAG " %p\n" COL_RESET, INDENT_spacing->buf, WHERE);
 
 // Print & indent a thing.
 #define INDENT_FIELD(FIELD, VAL, ...)                                          \