Fix crash in code generator for some bad lvalue expressions

2007-08-01 22:33:01 +00:00
parent 2186fc1fc7
commit 04c1e95f08
1 changed files with 1 additions and 0 deletions
--- a/simgear/nasal/codegen.c
+++ b/simgear/nasal/codegen.c
@@ -110,6 +110,7 @@ static int genScalarConstant(struct Parser* p, struct Token* t)

 static int genLValue(struct Parser* p, struct Token* t, int* cidx)
 {
+    if(!t) naParseError(p, "bad lvalue", -1);
    if(t->type == TOK_LPAR && t->rule != PREC_SUFFIX) {
        return genLValue(p, LEFT(t), cidx); // Handle stuff like "(a) = 1"
    } else if(t->type == TOK_SYMBOL) {