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use 'b' (bind) instead of '=' (assign) for switch's test temp def so simple

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expressions (ie, just a def) don't generated wasted assignments and clean up
switch's debug info so you get the switch line rather than the line for the
closing }
This commit is contained in:
Bill Currie 2001-11-05 19:12:33 +00:00
parent 9b784e331b
commit 13a177f217
1 changed files with 19 additions and 8 deletions
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27
tools/qfcc/source/switch.c
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@ -105,24 +105,35 @@ switch_expr (switch_block_t *switch_block, expr_t *break_label,
expr_t *sw = new_block_expr ();
type_t *type = get_type (switch_block->test);
expr_t *temp = new_temp_def_expr (type);
expr_t *default_expr;
temp->line = switch_block->test->line;
temp->file = switch_block->test->file;
default_label->value = 0;
default_label = Hash_FindElement (switch_block->labels, default_label);
labels = (case_label_t **)Hash_GetList (switch_block->labels);
append_expr (sw, binary_expr ('=', temp, switch_block->test));
if (default_label)
default_expr = new_unary_expr ('g', default_label->label);
else
default_expr = new_unary_expr ('g', break_label);
default_expr->line = temp->line;
default_expr->file = temp->file;
append_expr (sw, binary_expr ('b', switch_block->test, temp));
for (l = labels; *l; l++) {
if ((*l)->value) {
expr_t *cmp = binary_expr (EQ, temp, (*l)->value);
append_expr (sw,
new_binary_expr ('i',
test_expr (cmp, 1), (*l)->label));
expr_t *test = new_binary_expr ('i',
test_expr (cmp, 1),
(*l)->label);
test->line = cmp->line = temp->line;
test->file = cmp->file = temp->file;
append_expr (sw, test);
}
}
if (default_label)
append_expr (sw, new_unary_expr ('g', default_label->label));
else
append_expr (sw, new_unary_expr ('g', break_label));
append_expr (sw, default_expr);
append_expr (sw, statements);
append_expr (sw, break_label);
return sw;