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[qfcc] Check for previous errors in vector exprs
Fixes a segfault when one of the expressions used to construct the vector was the result of an error.
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1 changed files with 10 additions and 2 deletions
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@ -659,15 +659,23 @@ new_vector_list (expr_t *e)
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case 3:
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// quaternion or vector. all expressions must be compatible with
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// a float (ie, a scalar)
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for (t = e; t; t = t->next)
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if (!is_scalar (get_type (t)))
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for (t = e; t; t = t->next) {
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if (t->type == ex_error) {
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return t;
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}
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if (!is_scalar (get_type (t))) {
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return error (t, "invalid type for vector element");
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}
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}
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vec = new_expr ();
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vec->type = ex_vector;
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vec->e.vector.type = type;
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vec->e.vector.list = e;
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break;
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case 2:
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if (e->type == ex_error || e->next->type == ex_error) {
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return e;
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}
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if (is_scalar (get_type (e)) && is_scalar (get_type (e->next))) {
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// scalar, scalar
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// expand [x, y] to [x, y, 0]
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