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Simplify parse stage for unary - operator.

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This commit is contained in:
Dale Weiler 2013-09-29 22:08:09 -04:00
parent 353455e1ad
commit 7249c2ec18
1 changed files with 8 additions and 8 deletions
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16
parser.c
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@ -465,15 +465,15 @@ static bool parser_sy_apply_operator(parser_t *parser, shunt *sy)
out = exprs[0];
break;
case opid2('-','P'):
if (!(out = fold_op(parser->fold, op, exprs))) {
if (exprs[0]->vtype != TYPE_FLOAT &&
exprs[0]->vtype != TYPE_VECTOR) {
compile_error(ctx, "invalid types used in unary expression: cannot negate type %s",
type_name[exprs[0]->vtype]);
return false;
}
out = (ast_expression*)ast_unary_new(ctx, (VINSTR_NEG_F-TYPE_FLOAT) + exprs[0]->vtype, exprs[0]);
if ((out = fold_op(parser->fold, op, exprs)))
break;
if (exprs[0]->vtype != TYPE_FLOAT &&
exprs[0]->vtype != TYPE_VECTOR) {
compile_error(ctx, "invalid types used in unary expression: cannot negate type %s",
type_name[exprs[0]->vtype]);
return false;
}
out = (ast_expression*)ast_unary_new(ctx, (VINSTR_NEG_F-TYPE_FLOAT) + exprs[0]->vtype, exprs[0]);
break;
case opid2('!','P'):