Make things more robust against a half arsed parser.

1 files changed, 6 insertions, 4 deletions

diff --git a/LuaSL/src/LuaSL_LSL_tree.c b/LuaSL/src/LuaSL_LSL_tree.c
index a0490c9..0f9013a 100644
--- a/LuaSL/src/LuaSL_LSL_tree.c
+++ b/LuaSL/src/LuaSL_LSL_tree.c
@@ -290,7 +290,8 @@ LSL_Leaf *addParenthesis(LSL_Leaf *lval, LSL_Leaf *expr, LSL_Leaf *rval)
         if (lval)
         {
             lval->value.parenthesis = parens;
-            lval->basicType = expr->basicType;
+            if (expr)
+                lval->basicType = expr->basicType;
         }
     }
     return lval;
@@ -311,19 +312,20 @@ LSL_Leaf *addStatement(LSL_Leaf *lval, LSL_Type type, LSL_Leaf *expr)
     return lval;
 }
 
-LSL_Leaf *addTypecast(LSL_Leaf *lval, LSL_Leaf *type, LSL_Leaf *rval)
+LSL_Leaf *addTypecast(LSL_Leaf *lval, LSL_Leaf *type, LSL_Leaf *rval, LSL_Leaf *expr)
 {
     LSL_Parenthesis *parens = malloc(sizeof(LSL_Parenthesis));
 
     if (parens)
     {
         parens->left = lval;
-        parens->expression = type;
+        parens->expression = expr;
         parens->right = rval;
         if (lval)
         {
             lval->value.parenthesis = parens;
-            lval->basicType = type->basicType;
+            if (type)
+                lval->basicType = type->basicType;
             lval->token = tokens[LSL_TYPECAST_OPEN - lowestToken];
         }
         if (rval)