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indent(1): Don't newline on cpp lines like #endif unless -bacc is on.

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Reference:
01f36f4141

Differential Revision: https://reviews.freebsd.org/D6966  (Partial)
Submitted by:	Piotr Stefaniak
This commit is contained in:
Pedro F. Giffuni 2016-07-31 21:29:10 +00:00
parent 69e66b43bc
commit f7adee2314
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=303599
1 changed files with 32 additions and 23 deletions
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55
usr.bin/indent/indent.c
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@ -1100,13 +1100,7 @@ main(int argc, char **argv)
ps.pcase = false;
}
if (strncmp(s_lab, "#if", 3) == 0) {
if (blanklines_around_conditional_compilation) {
int c;
prefix_blankline_requested++;
while ((c = getc(input)) == '\n');
ungetc(c, input);
}
if (strncmp(s_lab, "#if", 3) == 0) { /* also ifdef, ifndef */
if ((size_t)ifdef_level < nitems(state_stack)) {
match_state[ifdef_level].tos = -1;
state_stack[ifdef_level++] = ps;
@ -1114,34 +1108,49 @@ main(int argc, char **argv)
else
diag2(1, "#if stack overflow");
}
else if (strncmp(s_lab, "#else", 5) == 0)
else if (strncmp(s_lab, "#el", 3) == 0) { /* else, elif */
if (ifdef_level <= 0)
diag2(1, "Unmatched #else");
diag2(1, s_lab[3] == 'i' ? "Unmatched #elif" : "Unmatched #else");
else {
match_state[ifdef_level - 1] = ps;
ps = state_stack[ifdef_level - 1];
}
}
else if (strncmp(s_lab, "#endif", 6) == 0) {
if (ifdef_level <= 0)
diag2(1, "Unmatched #endif");
else {
else
ifdef_level--;
#ifdef undef
/*
* This match needs to be more intelligent before the
* message is useful
*/
if (match_state[ifdef_level].tos >= 0
&& bcmp(&ps, &match_state[ifdef_level], sizeof ps))
diag2(0, "Syntactically inconsistent #ifdef alternatives");
#endif
} else {
struct directives {
int size;
const char *string;
}
if (blanklines_around_conditional_compilation) {
postfix_blankline_requested++;
n_real_blanklines = 0;
recognized[] = {
{7, "include"},
{6, "define"},
{5, "undef"},
{4, "line"},
{5, "error"},
{6, "pragma"}
};
int d = nitems(recognized);
while (--d >= 0)
if (strncmp(s_lab + 1, recognized[d].string, recognized[d].size) == 0)
break;
if (d < 0) {
diag2(1, "Unrecognized cpp directive");
break;
}
}
if (blanklines_around_conditional_compilation) {
postfix_blankline_requested++;
n_real_blanklines = 0;
}
else {
postfix_blankline_requested = 0;
prefix_blankline_requested = 0;
}
break; /* subsequent processing of the newline
* character will cause the line to be printed */