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/* $NetBSD: opt_eei.c,v 1.15 2023/06/15 09:19:07 rillig Exp $ */
/*
* Tests for the options '-eei' and '-neei'.
*
* The option '-eei' enables extra indentation on continuation lines of the
* expression part of 'if' and 'while' statements. These continuation lines
* are indented one extra level to avoid being confused for the first
* statement of the body, even if the condition line starts with an operator
* such as '&&' or '<' that could not start a statement.
*
* The option '-neei' indents these conditions in the same way as all other
* continued statements.
*/
//indent input
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
/*
* By default, continuation lines are aligned on parentheses, and only a
* multi-line switch statement would have ambiguous indentation.
*/
//indent run
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
//indent run-equals-prev-output -neei
/*
* For indentation 8, the only expression that needs to be disambiguated is
* the one from the switch statement.
*/
//indent run -eei
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
/* For indentation 4, the expressions from the 'if' are ambiguous. */
//indent run -neei -i4
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
//indent run -eei -i4
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
/* $ XXX: No extra indentation necessary. */
a)
stmt();
}
//indent end
/*
* The -nlp option uses a fixed indentation for continuation lines. The if
* statements are disambiguated.
*/
//indent run -eei -i4 -nlp
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
/* With a continuation indentation of 2, there is no ambiguity at all. */
//indent run -eei -i6 -ci2 -nlp
{
if (a <
b)
stmt();
if (a
<
b)
stmt();
while (a
< b)
stmt();
switch (
a)
stmt();
}
//indent end
/*
* Ensure that after a condition with extra indentation, the following
* statements are not affected.
*/
//indent input
{
if (
cond
)
stmt(
arg
);
}
//indent end
//indent run -eei -nlp -i4
{
if (
cond
)
stmt(
arg
);
}
//indent end
/*
* When multi-line expressions are aligned on the parentheses, they may have an
* ambiguous indentation as well.
*/
//indent input
{
if (fun(
1,
2,
3))
stmt;
}
//indent end
//indent run-equals-input
//indent run -eei
{
if (fun(
1,
2,
3))
stmt;
}
//indent end
//indent input
{
if (((
3
)))
stmt;
if ((((
4
))))
stmt;
}
//indent end
//indent run -ci2 -nlp -eei
{
if (((
3
)))
stmt;
if ((((
4
))))
stmt;
}
//indent end
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