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[qfcc] Fix some wrong fall-through cases

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This fixes the unary minus issue for now. unary_expr needs a rewrite,
though: it's just horrible.
This commit is contained in:
Bill Currie 2020-04-08 21:23:57 +09:00
parent d5604aef73
commit 31abf6f955
1 changed files with 17 additions and 3 deletions
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20
tools/qfcc/source/expr.c
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@ -1636,11 +1636,25 @@ unary_expr (int op, expr_t *e)
case ex_memset: case ex_memset:
internal_error (e, 0); internal_error (e, 0);
case ex_uexpr: case ex_uexpr:
if (e->e.expr.op == '-') if (e->e.expr.op == '-') {
return e->e.expr.e1; return e->e.expr.e1;
}
{
expr_t *n = new_unary_expr (op, e);
n->e.expr.type = get_type (e);
return n;
}
case ex_block: case ex_block:
if (!e->e.block.result) if (!e->e.block.result) {
return error (e, "invalid type for unary -"); return error (e, "invalid type for unary -");
}
{
expr_t *n = new_unary_expr (op, e);
n->e.expr.type = get_type (e);
return n;
}
case ex_expr: case ex_expr:
case ex_bool: case ex_bool:
case ex_temp: case ex_temp:
@ -1648,7 +1662,7 @@ unary_expr (int op, expr_t *e)
{ {
expr_t *n = new_unary_expr (op, e); expr_t *n = new_unary_expr (op, e);
n->e.expr.type = e->e.expr.type; n->e.expr.type = get_type (e);
return n; return n;
} }
case ex_def: case ex_def: