Update README.md. Updated main.c.

README.md

@@ -1,6 +1,15 @@
 # SCL: Simple CAS Language
 
-## Syntax
+## Current State
+
+The following things are possible:
+  1. Floating-point numbers
+  2. Negative numbers
+  3. Addition
+  4. Subtraction
+  5. Multiplication
+
+## Syntax (Planned)
 
 As one would expect, you can evaluate simple infix expressions:
 
@@ -20,9 +29,9 @@ You can also define your own functions:
 Symbolic algebra is done in the following manner:
 
 ```scl
-> f(x) = e^x
+> f(x) = x^4
 > diff(f, x:sym, 2)
-= e^x
+= 12x^2
 ```
 
 SCL will dynamically decide on types, but you can state them explicitly as

src/main.c

@@ -41,11 +41,14 @@ int main(int argc, char** argv) {
 
         if (ln->ln > 0) {
             inp = ln->buf;
-            if (yyparse() == 0) printf("Parsed successfully!\n");
-            else printf("Parse error.\n");
+            if (yyparse() == 0) {
+                log_dbg("Parsed successfully!\n");
+            } else printf("Parse error.\n");
 
             exec_print(exec_expr(root));
+#ifdef DBG
             ast_print(root);
+#endif
         }
 
         dstr_destroy(ln);