pr_comment ()
{
int now_col; /* column we are in now */
int adj_max_col; /* Adjusted max_col for when we decide to
spill comments over the right margin */
char *last_bl; /* points to the last blank in the output
buffer */
char *t_ptr; /* used for moving string */
int unix_comment; /* tri-state variable used to decide if it is
a unix-style comment. 0 means only blanks
since /*, 1 means regular style comment, 2
means unix style comment */
int break_delim = comment_delimiter_on_blankline;
int l_just_saw_decl = parser_state_tos->just_saw_decl;
/* int parser_state_tos->last_nl = 0; /* true iff the last
significant thing weve seen is a newline */
int one_liner = 1; /* true iff this comment is a one-liner */
adj_max_col = max_col;
parser_state_tos->just_saw_decl = 0;
last_bl = 0; /* no blanks found so far */
parser_state_tos->box_com = false; /* at first, assume that we are not
in a boxed comment or some other
comment that should not be touched */
++out_coms; /* keep track of number of comments */
unix_comment = 1; /* set flag to let us figure out if there is
a unix-style comment ** DISABLED: use 0 to
reenable this hack! */
/* Figure where to align and how to treat the comment */
if (parser_state_tos->col_1 && !format_col1_comments)
{ /* if comment starts in column 1 it should
not be touched */
parser_state_tos->box_com = true;
parser_state_tos->com_col = 1;
}
else
{
if (*buf_ptr == '-' || *buf_ptr == '*' || !format_comments)
{
parser_state_tos->box_com = true; /* a comment with a '-' or
'*' immediately after the
/* is assumed to be a
boxed comment */
break_delim = 0;
}
/* Used to also check that parser_state_tos->bl_line != 0 */
if ((s_lab == e_lab) && (s_code == e_code))
{
/* klg: check only if this line is blank */
/* If this (*and previous lines are*) blank, dont put comment way
out at left */
parser_state_tos->com_col
= (parser_state_tos->ind_level - unindent_displace) + 1;
adj_max_col = block_comment_max_col;
if (parser_state_tos->com_col <= 1)
parser_state_tos->com_col = 1 + !format_col1_comments;
/* If we have a comment in an old-style (pre-ANSI) parameter
declaration, indent it like we would the parameter declaration.
For example:
int destroy (what) / * N things to destroy. * / int what;
*/
if (parser_state_tos->in_parameter_declaration
&& indent_parameters != 0 && parser_state_tos->dec_nest == 0)
{
parser_state_tos->com_col = indent_parameters + 1;
parser_state_tos->ind_stmt = 0;
}
}
else
{
register target_col;
break_delim = 0;
if (s_code != e_code)
target_col = count_spaces (compute_code_target (), s_code);
else
{
target_col = 1;
if (s_lab != e_lab)
target_col = count_spaces (compute_label_target (), s_lab);
}
parser_state_tos->com_col = parser_state_tos->decl_on_line
|| parser_state_tos->ind_level == 0 ? decl_com_ind : com_ind;
/* If we are already past the position for the comment, put it at
the next tab stop. */
if (parser_state_tos->com_col < target_col)
parser_state_tos->com_col = ((target_col + (tabsize - 1))
& ~(tabsize - 1)) + 1;
if (else_or_endif)
{
parser_state_tos->com_col = else_endif_col;
else_or_endif = false;
/* We want the comment to appear one space after the #else or
#endif. */
if (parser_state_tos->com_col < target_col)
parser_state_tos->com_col = target_col + 1;
}
if (parser_state_tos->com_col + 24 > adj_max_col)
adj_max_col = parser_state_tos->com_col + 24;
}
}
if (parser_state_tos->box_com)
{
parser_state_tos->n_comment_delta = 1 - parser_state_tos->com_col;
#if 0
buf_ptr[-2] = 0;
parser_state_tos->n_comment_delta = 1 - count_spaces (1, cur_line);
buf_ptr[-2] = '/';
#endif
}
else
{
parser_state_tos->n_comment_delta = 0;
while (*buf_ptr == ' ' || *buf_ptr == '\t')
buf_ptr++;
}
parser_state_tos->comment_delta = 0;
*e_com++ = '/'; /* put '/*' into buffer */
*e_com++ = '*';
if (*buf_ptr != ' ' && !parser_state_tos->box_com)
*e_com++ = ' ';
*e_com = '\0';
if (troff)
{
now_col = 1;
adj_max_col = 80;
}
else
/* figure what column we would be in if we printed the comment now */
now_col = count_spaces (parser_state_tos->com_col, s_com);
/* Start to copy the comment */
while (1)
{ /* this loop will go until the comment is
copied */
if (*buf_ptr > 040 && *buf_ptr != '*')
parser_state_tos->last_nl = 0;
check_com_size;
switch (*buf_ptr)
{ /* this checks for various spcl cases */
case 014: /* check for a form feed */
if (!parser_state_tos->box_com)
{ /* in a text comment, break the line here */
parser_state_tos->use_ff = true;
/* fix so dump_line uses a form feed */
dump_line ();
last_bl = 0;
*e_com++ = ' ';
*e_com++ = '*';
*e_com++ = ' ';
while (*++buf_ptr == ' ' || *buf_ptr == '\t');
}
else
{
if (++buf_ptr >= buf_end)
fill_buffer ();
*e_com++ = 014;
}
break;
case '\n':
if (had_eof)
{ /* check for unexpected eof */
printf ("Unterminated comment\n");
*e_com = '\0';
dump_line ();
return;
}
one_liner = 0;
if (parser_state_tos->box_com || parser_state_tos->last_nl)
{ /* if this is a boxed comment, we dont ignore
the newline */
if (s_com == e_com)
{
*e_com++ = ' ';
*e_com++ = ' ';
}
*e_com = '\0';
if (!parser_state_tos->box_com && e_com - s_com > 3)
{
if (break_delim == 1 && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ')
{
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line ();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
dump_line ();
check_com_size;
*e_com++ = ' ';
*e_com++ = ' ';
}
dump_line ();
now_col = parser_state_tos->com_col;
}
else
{
parser_state_tos->last_nl = 1;
if (unix_comment != 1)
{ /* we not are in unix_style comment */
if (unix_comment == 0 && s_code == e_code)
{
/* if it is a UNIX-style comment, ignore the
requirement that previous line be blank for
unindention */
parser_state_tos->com_col
= ((parser_state_tos->ind_level - unindent_displace)
+ ind_size);
if (parser_state_tos->com_col <= 1)
parser_state_tos->com_col = 2;
}
unix_comment = 2; /* permanently remember that we are
in this type of comment */
dump_line ();
++line_no;
now_col = parser_state_tos->com_col;
*e_com++ = ' ';
/* fix so that the star at the start of the line will line
up */
do /* flush leading white space */
if (++buf_ptr >= buf_end)
fill_buffer ();
while (*buf_ptr == ' ' || *buf_ptr == '\t');
break;
}
if (*(e_com - 1) == ' ' || *(e_com - 1) == '\t')
last_bl = e_com - 1;
/* if there was a space at the end of the last line, remember
where it was */
else
{ /* otherwise, insert one */
last_bl = e_com;
check_com_size;
*e_com++ = ' ';
++now_col;
}
}
++line_no; /* keep track of input line number */
if (!parser_state_tos->box_com)
{
int nstar = 1;
do
{ /* flush any blanks and/or tabs at start of
next line */
if (++buf_ptr >= buf_end)
fill_buffer ();
if (*buf_ptr == '*' && --nstar >= 0)
{
if (++buf_ptr >= buf_end)
fill_buffer ();
if (*buf_ptr == '/')
goto end_of_comment;
}
}
while (*buf_ptr == ' ' || *buf_ptr == '\t');
}
else if (++buf_ptr >= buf_end)
fill_buffer ();
break; /* end of case for newline */
case '*': /* must check for possibility of being at end
of comment */
if (++buf_ptr >= buf_end) /* get to next char after * */
fill_buffer ();
if (unix_comment == 0) /* set flag to show we are not in unix-style
comment */
unix_comment = 1;
if (*buf_ptr == '/')
{ /* it is the end!!! */
end_of_comment:
if (++buf_ptr >= buf_end)
fill_buffer ();
if (*(e_com - 1) != ' ' && !parser_state_tos->box_com)
{ /* insure blank before end */
*e_com++ = ' ';
++now_col;
}
if (break_delim == 1 && !one_liner && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ')
{
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line ();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
if (break_delim == 2 && e_com > s_com + 3
/* now_col > adj_max_col - 2 && !parser_state_tos->box_com */
)
{
*e_com = '\0';
dump_line ();
now_col = parser_state_tos->com_col;
}
check_com_size;
*e_com++ = '*';
*e_com++ = '/';
*e_com = '\0';
parser_state_tos->just_saw_decl = l_just_saw_decl;
return;
}
else
{ /* handle isolated '*' */
*e_com++ = '*';
++now_col;
}
break;
default: /* we have a random char */
if (unix_comment == 0 && *buf_ptr != ' ' && *buf_ptr != '\t')
unix_comment = 1; /* we are not in unix-style comment */
*e_com = *buf_ptr++;
if (buf_ptr >= buf_end)
fill_buffer ();
if (*e_com == '\t') /* keep track of column */
now_col = now_col + tabsize - (now_col - 1) % tabsize;
else if (*e_com == '\b') /* this is a backspace */
--now_col;
else
++now_col;
if (*e_com == ' ' || *e_com == '\t')
last_bl = e_com;
/* remember we saw a blank */
++e_com;
if (now_col > adj_max_col
&& !parser_state_tos->box_com
&& unix_comment == 1 && e_com[-1] > ' ')
{
/* the comment is too long, it must be broken up */
if (break_delim == 1 && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ')
{
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line ();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
if (last_bl == 0)
{ /* we have seen no blanks */
last_bl = e_com; /* fake it */
*e_com++ = ' ';
}
*e_com = '\0'; /* print what we have */
*last_bl = '\0';
while (last_bl > s_com && last_bl[-1] < 040)
*--last_bl = 0;
e_com = last_bl;
dump_line ();
*e_com++ = ' '; /* add blanks for continuation */
*e_com++ = ' ';
*e_com++ = ' ';
t_ptr = last_bl + 1;
last_bl = 0;
if (t_ptr >= e_com)
{
while (*t_ptr == ' ' || *t_ptr == '\t')
t_ptr++;
while (*t_ptr != '\0')
{ /* move unprinted part of comment down in
buffer */
if (*t_ptr == ' ' || *t_ptr == '\t')
last_bl = e_com;
*e_com++ = *t_ptr++;
}
}
*e_com = '\0';
/* recompute current position */
now_col = count_spaces (parser_state_tos->com_col, s_com);
}
break;
}
}
}
void
pr_comment(void)
{
int now_col; /* column we are in now */
int adj_max_col; /* Adjusted max_col for when we decide to
* spill comments over the right margin */
char *last_bl; /* points to the last blank in the output
* buffer */
char *t_ptr; /* used for moving string */
int unix_comment; /* tri-state variable used to decide if it is
* a unix-style comment. 0 means only blanks
* since /+*, 1 means regular style comment, 2
* means unix style comment */
int break_delim = comment_delimiter_on_blankline;
int l_just_saw_decl = ps.just_saw_decl;
/*
* int ps.last_nl = 0; true iff the last significant thing
* weve seen is a newline
*/
int one_liner = 1; /* true iff this comment is a one-liner */
adj_max_col = max_col;
ps.just_saw_decl = 0;
last_bl = 0; /* no blanks found so far */
ps.box_com = false; /* at first, assume that we are not in
* a boxed comment or some other
* comment that should not be touched */
++ps.out_coms; /* keep track of number of comments */
unix_comment = 1; /* set flag to let us figure out if there is a
* unix-style comment ** DISABLED: use 0 to
* reenable this hack! */
/* Figure where to align and how to treat the comment */
if (ps.col_1 && !format_col1_comments) {
/* if comment starts in column
* 1 it should not be touched */
ps.box_com = true;
ps.com_col = 1;
}
else {
if (*buf_ptr == '-' || *buf_ptr == '*' ||
(*buf_ptr == '\n' && !format_block_comments)) {
ps.box_com = true; /* A comment with a '-' or '*' immediately
* after the /+* is assumed to be a boxed
* comment. A comment with a newline
* immediately after the /+* is assumed to
* be a block comment and is treated as a
* box comment unless format_block_comments
* is nonzero (the default). */
break_delim = 0;
}
if ( /* ps.bl_line && */ (s_lab == e_lab) && (s_code == e_code)) {
/* klg: check only if this line is blank */
/*
* If this (*and previous lines are*) blank, dont put comment way
* out at left
*/
ps.com_col = (ps.ind_level - ps.unindent_displace) * ps.ind_size + 1;
adj_max_col = block_comment_max_col;
if (ps.com_col <= 1)
ps.com_col = 1 + !format_col1_comments;
}
else {
int target_col;
break_delim = 0;
if (s_code != e_code)
target_col = count_spaces(compute_code_target(), s_code);
else {
target_col = 1;
if (s_lab != e_lab)
target_col = count_spaces(compute_label_target(), s_lab);
}
ps.com_col = ps.decl_on_line || ps.ind_level == 0 ? ps.decl_com_ind : ps.com_ind;
if (ps.com_col < target_col)
ps.com_col = ((target_col + 7) & ~7) + 1;
if (ps.com_col + 24 > adj_max_col)
adj_max_col = ps.com_col + 24;
}
}
if (ps.box_com) {
buf_ptr[-2] = 0;
ps.n_comment_delta = 1 - count_spaces(1, in_buffer);
buf_ptr[-2] = '/';
}
else {
ps.n_comment_delta = 0;
while (*buf_ptr == ' ' || *buf_ptr == '\t')
buf_ptr++;
}
ps.comment_delta = 0;
*e_com++ = '/'; /* put '/' followed by '*' into buffer */
*e_com++ = '*';
if (*buf_ptr != ' ' && !ps.box_com)
*e_com++ = ' ';
*e_com = '\0';
if (troff) {
now_col = 1;
adj_max_col = 80;
}
else
now_col = count_spaces(ps.com_col, s_com); /* figure what column we
* would be in if we
* printed the comment
* now */
/* Start to copy the comment */
while (1) {
/* this loop will go until the comment is
* copied */
if (*buf_ptr > 040 && *buf_ptr != '*')
ps.last_nl = 0;
CHECK_SIZE_COM;
switch (*buf_ptr) { /* this checks for various spcl cases */
case 014: /* check for a form feed */
if (!ps.box_com) { /* in a text comment, break the line here */
ps.use_ff = true;
/* fix so dump_line uses a form feed */
dump_line();
last_bl = 0;
*e_com++ = ' ';
*e_com++ = '*';
*e_com++ = ' ';
while (*++buf_ptr == ' ' || *buf_ptr == '\t');
}
else {
if (++buf_ptr >= buf_end)
fill_buffer();
*e_com++ = 014;
}
break;
case '\n':
if (had_eof) { /* check for unexpected eof */
printf("Unterminated comment\n");
*e_com = '\0';
dump_line();
return;
}
one_liner = 0;
if (ps.box_com || ps.last_nl) {
/* if this is a boxed comment,
* we dont ignore the newline */
if (s_com == e_com) {
*e_com++ = ' ';
*e_com++ = ' ';
}
*e_com = '\0';
if (!ps.box_com && e_com - s_com > 3) {
if (break_delim == 1 && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ') {
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
dump_line();
CHECK_SIZE_COM;
*e_com++ = ' ';
*e_com++ = ' ';
}
dump_line();
now_col = ps.com_col;
}
else {
ps.last_nl = 1;
if (unix_comment != 1) {
/* we not are in unix_style
* comment */
if (unix_comment == 0 && s_code == e_code) {
/*
* if it is a UNIX-style comment, ignore the
* requirement that previous line be blank for
* unindention
*/
ps.com_col = (ps.ind_level - ps.unindent_displace) * ps.ind_size + 1;
if (ps.com_col <= 1)
ps.com_col = 2;
}
unix_comment = 2; /* permanently remember that we are in
* this type of comment */
dump_line();
++line_no;
now_col = ps.com_col;
*e_com++ = ' ';
/*
* fix so that the star at the start of the line will line
* up
*/
do /* flush leading white space */
if (++buf_ptr >= buf_end)
fill_buffer();
while (*buf_ptr == ' ' || *buf_ptr == '\t');
break;
}
if (*(e_com - 1) == ' ' || *(e_com - 1) == '\t')
last_bl = e_com - 1;
/*
* if there was a space at the end of the last line, remember
* where it was
*/
else { /* otherwise, insert one */
last_bl = e_com;
CHECK_SIZE_COM;
*e_com++ = ' ';
++now_col;
}
}
++line_no; /* keep track of input line number */
if (!ps.box_com) {
int nstar = 1;
do {
/* flush any blanks and/or tabs at start of
* next line */
if (++buf_ptr >= buf_end)
fill_buffer();
if (*buf_ptr == '*' && --nstar >= 0) {
if (++buf_ptr >= buf_end)
fill_buffer();
if (*buf_ptr == '/')
goto end_of_comment;
}
} while (*buf_ptr == ' ' || *buf_ptr == '\t');
}
else if (++buf_ptr >= buf_end)
fill_buffer();
break; /* end of case for newline */
case '*': /* must check for possibility of being at end
* of comment */
if (++buf_ptr >= buf_end) /* get to next char after * */
fill_buffer();
if (unix_comment == 0) /* set flag to show we are not in
* unix-style comment */
unix_comment = 1;
if (*buf_ptr == '/') { /* it is the end!!! */
end_of_comment:
if (++buf_ptr >= buf_end)
fill_buffer();
if (*(e_com - 1) != ' ' && !ps.box_com) {
/* insure blank before
* end */
*e_com++ = ' ';
++now_col;
}
if (break_delim == 1 && !one_liner && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ') {
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
if (break_delim == 2 && e_com > s_com + 3
/* now_col > adj_max_col - 2 && !ps.box_com */ ) {
*e_com = '\0';
dump_line();
now_col = ps.com_col;
}
CHECK_SIZE_COM;
*e_com++ = '*';
*e_com++ = '/';
*e_com = '\0';
ps.just_saw_decl = l_just_saw_decl;
return;
}
else { /* handle isolated '*' */
*e_com++ = '*';
++now_col;
}
break;
default: /* we have a random char */
if (unix_comment == 0 && *buf_ptr != ' ' && *buf_ptr != '\t')
unix_comment = 1; /* we are not in unix-style comment */
*e_com = *buf_ptr++;
if (buf_ptr >= buf_end)
fill_buffer();
if (*e_com == '\t') /* keep track of column */
now_col = ((now_col - 1) & tabmask) + tabsize + 1;
else if (*e_com == '\b') /* this is a backspace */
--now_col;
else
++now_col;
if (*e_com == ' ' || *e_com == '\t')
last_bl = e_com;
/* remember we saw a blank */
++e_com;
if (now_col > adj_max_col && !ps.box_com && unix_comment == 1 && e_com[-1] > ' ') {
/*
* the comment is too long, it must be broken up
*/
if (break_delim == 1 && s_com[0] == '/'
&& s_com[1] == '*' && s_com[2] == ' ') {
char *t = e_com;
break_delim = 2;
e_com = s_com + 2;
*e_com = 0;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
dump_line();
e_com = t;
s_com[0] = s_com[1] = s_com[2] = ' ';
}
if (last_bl == 0) { /* we have seen no blanks */
last_bl = e_com; /* fake it */
*e_com++ = ' ';
}
*e_com = '\0'; /* print what we have */
*last_bl = '\0';
while (last_bl > s_com && last_bl[-1] < 040)
*--last_bl = 0;
e_com = last_bl;
dump_line();
*e_com++ = ' '; /* add blanks for continuation */
*e_com++ = ' ';
*e_com++ = ' ';
t_ptr = last_bl + 1;
last_bl = 0;
if (t_ptr >= e_com) {
while (*t_ptr == ' ' || *t_ptr == '\t')
t_ptr++;
while (*t_ptr != '\0') {
/* move unprinted part of
* comment down in buffer */
if (*t_ptr == ' ' || *t_ptr == '\t')
last_bl = e_com;
*e_com++ = *t_ptr++;
}
}
*e_com = '\0';
now_col = count_spaces(ps.com_col, s_com); /* recompute current
* position */
}
break;
}
}
}
void
dump_line(void)
{ /* dump_line is the routine that actually
* effects the printing of the new source. It
* prints the label section, followed by the
* code section with the appropriate nesting
* level, followed by any comments */
int cur_col,
target_col = 1;
static int not_first_line;
if (ps.procname[0]) {
if (troff) {
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
fprintf(output, ".Pr \"%s\"\n", ps.procname);
}
ps.ind_level = 0;
ps.procname[0] = 0;
}
if (s_code == e_code && s_lab == e_lab && s_com == e_com) {
if (suppress_blanklines > 0)
suppress_blanklines--;
else {
ps.bl_line = true;
n_real_blanklines++;
}
}
else if (!inhibit_formatting) {
suppress_blanklines = 0;
ps.bl_line = false;
if (prefix_blankline_requested && not_first_line) {
if (swallow_optional_blanklines) {
if (n_real_blanklines == 1)
n_real_blanklines = 0;
}
else {
if (n_real_blanklines == 0)
n_real_blanklines = 1;
}
}
while (--n_real_blanklines >= 0)
putc('\n', output);
n_real_blanklines = 0;
if (ps.ind_level == 0)
ps.ind_stmt = 0; /* this is a class A kludge. dont do
* additional statement indentation if we are
* at bracket level 0 */
if (e_lab != s_lab || e_code != s_code)
++code_lines; /* keep count of lines with code */
if (e_lab != s_lab) { /* print lab, if any */
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
e_lab--;
cur_col = pad_output(1, compute_label_target());
if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0
|| strncmp(s_lab, "#endif", 6) == 0)) {
char *s = s_lab;
if (e_lab[-1] == '\n') e_lab--;
do putc(*s++, output);
while (s < e_lab && 'a' <= *s && *s<='z');
while ((*s == ' ' || *s == '\t') && s < e_lab)
s++;
if (s < e_lab)
fprintf(output, s[0]=='/' && s[1]=='*' ? "\t%.*s" : "\t/* %.*s */",
(int)(e_lab - s), s);
}
else fprintf(output, "%.*s", (int)(e_lab - s_lab), s_lab);
cur_col = count_spaces(cur_col, s_lab);
}
else
cur_col = 1; /* there is no label section */
ps.pcase = false;
if (s_code != e_code) { /* print code section, if any */
char *p;
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
target_col = compute_code_target();
{
int i;
for (i = 0; i < ps.p_l_follow; i++)
if (ps.paren_indents[i] >= 0)
ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
}
cur_col = pad_output(cur_col, target_col);
for (p = s_code; p < e_code; p++)
if (*p == (char) 0200)
fprintf(output, "%d", target_col * 7);
else
putc(*p, output);
cur_col = count_spaces(cur_col, s_code);
}
if (s_com != e_com) {
if (troff) {
int all_here = 0;
char *p;
if (e_com[-1] == '/' && e_com[-2] == '*')
e_com -= 2, all_here++;
while (e_com > s_com && e_com[-1] == ' ')
e_com--;
*e_com = 0;
p = s_com;
while (*p == ' ')
p++;
if (p[0] == '/' && p[1] == '*')
p += 2, all_here++;
else if (p[0] == '*')
p += p[1] == '/' ? 2 : 1;
while (*p == ' ')
p++;
if (*p == 0)
goto inhibit_newline;
if (comment_open < 2 && ps.box_com) {
comment_open = 0;
fprintf(output, ".*/\n");
}
if (comment_open == 0) {
if ('a' <= *p && *p <= 'z')
*p = *p + 'A' - 'a';
if (e_com - p < 50 && all_here == 2) {
char *follow = p;
fprintf(output, "\n.nr C! \\w\1");
while (follow < e_com) {
switch (*follow) {
case '\n':
putc(' ', output);
case 1:
break;
case '\\':
putc('\\', output);
default:
putc(*follow, output);
}
follow++;
}
putc(1, output);
}
fprintf(output, "\n./* %dp %d %dp\n",
ps.com_col * 7,
(s_code != e_code || s_lab != e_lab) - ps.box_com,
target_col * 7);
}
comment_open = 1 + ps.box_com;
while (*p) {
if (*p == BACKSLASH)
putc(BACKSLASH, output);
putc(*p++, output);
}
}
else { /* print comment, if any */
int target = ps.com_col;
char *com_st = s_com;
target += ps.comment_delta;
while (*com_st == '\t')
com_st++, target += 8; /* ? */
while (target <= 0)
if (*com_st == ' ')
target++, com_st++;
else if (*com_st == '\t')
target = ((target - 1) & ~7) + 9, com_st++;
else
target = 1;
if (cur_col > target) { /* if comment cant fit on this line,
* put it on next line */
putc('\n', output);
cur_col = 1;
++ps.out_lines;
}
while (e_com > com_st && isspace(e_com[-1]))
e_com--;
cur_col = pad_output(cur_col, target);
if (!ps.box_com) {
if (star_comment_cont && (com_st[1] != '*' || e_com <= com_st + 1)) {
if (com_st[1] == ' ' && com_st[0] == ' ' && e_com > com_st + 1)
com_st[1] = '*';
else
fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output);
}
}
fwrite(com_st, e_com - com_st, 1, output);
ps.comment_delta = ps.n_comment_delta;
cur_col = count_spaces(cur_col, com_st);
++ps.com_lines; /* count lines with comments */
}
}
if (ps.use_ff)
putc('\014', output);
else
putc('\n', output);
inhibit_newline:
++ps.out_lines;
if (ps.just_saw_decl == 1 && blanklines_after_declarations) {
prefix_blankline_requested = 1;
ps.just_saw_decl = 0;
}
else
prefix_blankline_requested = postfix_blankline_requested;
postfix_blankline_requested = 0;
}
ps.decl_on_line = ps.in_decl; /* if we are in the middle of a
* declaration, remember that fact for
* proper comment indentation */
ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be
* indented if we have not
* completed this stmt and if
* we are not in the middle of
* a declaration */
ps.use_ff = false;
ps.dumped_decl_indent = 0;
*(e_lab = s_lab) = '\0'; /* reset buffers */
*(e_code = s_code) = '\0';
*(e_com = s_com) = '\0';
ps.ind_level = ps.i_l_follow;
ps.paren_level = ps.p_l_follow;
paren_target = -ps.paren_indents[ps.paren_level - 1];
not_first_line = 1;
}
void
print_comment ()
{
register int column, format;
enum codes comment_type;
int start_column, found_column;
int first_comment_line, right_margin;
int boxed_comment, stars, blankline_delims, paragraph_break, merge_blank_comment_lines;
int two_contiguous_comments = 0;
int save_length = 0;
char *save_ptr = 0;
char *text_on_line = 0;
char *line_break_ptr = 0;
char *start_delim;
char *line_preamble;
int line_preamble_length, visible_preamble;
int suppress_cdb = 0;
/* GDB_HOOK_print_comment() */
/* Increment the parser stack, as we will store some things
there for dump_line to use. */
inc_pstack ();
/* Have to do it this way because this piece of shit program doesn't
always place the last token code on the stack. */
if (*(token + 1) == '/')
comment_type = cplus_comment;
else
comment_type = comment;
/* First, decide what kind of comment this is: C++, C, or boxed C.
Even if this appears to be a normal C comment, we may change our
minds if we find a star in the right column of the second line,
in which case that's a boxed comment too. */
if (comment_type == cplus_comment)
{
start_delim = "//";
line_preamble = "// ";
line_preamble_length = 3;
visible_preamble = 1;
boxed_comment = 0;
stars = 0;
blankline_delims = 0;
}
else if (*buf_ptr == '*' || *buf_ptr == '-' || *buf_ptr == '=' || *buf_ptr == '_'
|| (parser_state_tos->col_1 && !format_col1_comments))
/* Boxed comment. This block of code will return. */
{
int comment_lines_count = 1;
found_column = start_column = current_column () - 2;
parser_state_tos->box_com = 1;
parser_state_tos->com_col = found_column;
if (blanklines_before_blockcomments)
prefix_blankline_requested = 1;
*e_com++ = '/';
*e_com++ = '*';
while (1)
{
do
{
if (*buf_ptr == EOL) /* Count line numbers within comment blocks */
++line_no;
*e_com++ = *buf_ptr++;
CHECK_COM_SIZE;
}
while (*buf_ptr != '*' && buf_ptr < buf_end);
/* We have reached the end of the comment, and it's all on
this line. */
if (*buf_ptr == '*' && *(buf_ptr + 1) == '/')
{
if (buf_ptr == buf_end)
fill_buffer ();
buf_ptr += 2;
if (buf_ptr == buf_end)
fill_buffer ();
*e_com++ = '*';
*e_com++ = '/';
*e_com = '\0';
parser_state_tos->tos--;
/* If this is the only line of a boxed comment, it may
be after some other text (e.g., #if foo <comment>),
in which case we want to specify the correct column.
In the other cases, the leading spaces account for
the columns and we start it in column 1. */
if (comment_lines_count > 1)
parser_state_tos->com_col = 1;
else
parser_state_tos->com_col = found_column;
return;
}
/* End of the line, or end of file. */
if (buf_ptr == buf_end)
{
if (*(buf_ptr - 1) == EOL)
{
*(--e_com) = '\0';
dump_line (true);
comment_lines_count++;
parser_state_tos->com_col = 1;
}
fill_buffer ();
if (had_eof)
{
*e_com++ = '\0';
parser_state_tos->tos--;
parser_state_tos->com_col = start_column;
return;
}
}
}
}
else
{
start_delim = "/*";
line_preamble = 0;
line_preamble_length = 0;
visible_preamble = 0;
boxed_comment = 0;
stars = star_comment_cont;
blankline_delims = comment_delimiter_on_blankline;
}
paragraph_break = 0;
merge_blank_comment_lines = 0;
first_comment_line = com_lines;
right_margin = comment_max_col;
/* Now, compute the correct indentation for this comment
and whether or not it should be formatted. */
found_column = current_column () - 2;
if ((s_lab == e_lab) && (s_code == e_code))
/* First handle comments which begin the line. */
{
if (parser_state_tos->col_1 && !format_col1_comments)
{
format = format_col1_comments;
start_column = 1;
}
else if (s_com != e_com)
/* The fool has a line consisting of two contiguous comments.
In this case, we don't try too hard, 'cause nothing will
look good. */
{
format = 0;
start_column = found_column;
two_contiguous_comments = 1;
}
else
{
format = format_comments;
if (parser_state_tos->ind_level <= 0
&& (!parser_state_tos->in_stmt || (parser_state_tos->in_decl && parser_state_tos->paren_level == 0)))
start_column = found_column;
else
/* This comment is within a procedure or other code. */
{
start_column = compute_code_target () - unindent_displace;
if (start_column < 0)
start_column = 1;
}
}
}
else
/* This comment follows code of some sort. */
{
int target;
suppress_cdb = 1;
/* First, compute where the comment SHOULD go. */
if (parser_state_tos->decl_on_line)
target = decl_com_ind;
else if (else_or_endif)
target = else_endif_col;
else
target = com_ind;
/* Now determine if the code on the line is short enough
to allow the comment to begin where it should. */
if (s_code != e_code)
start_column = count_columns (compute_code_target (), s_code, NULL_CHAR);
else
/* s_lab != e_lab : there is a label here. */
start_column = count_columns (compute_label_target (), s_lab, NULL_CHAR);
if (start_column < target)
start_column = target;
else
{
/* If the too-long code is a pre-processor command,
start the comment 1 space afterwards, otherwise
start at the next tab mark. */
if (else_or_endif)
{
start_column++;
else_or_endif = false;
}
else
start_column += tabsize - ((start_column - 1) % tabsize);
}
format = format_comments;
}
if (!line_preamble)
{
line_preamble_length = 3;
if (stars)
{
line_preamble = " * ";
visible_preamble = 1;
}
else
{
line_preamble = " ";
visible_preamble = 0;
}
}
/* These are the parser stack variables used to communicate
formatting information to dump_line (). */
parser_state_tos->com_col = (two_contiguous_comments ? 1 : start_column);
parser_state_tos->box_com = boxed_comment;
/* Output the beginning comment delimiter. They are both two
characters long. */
*e_com++ = *start_delim;
*e_com++ = *(start_delim + 1);
column = start_column + 2;
/* If the user specified -cdb, put the delimiter on one line. */
if (blankline_delims && !suppress_cdb)
{
char *p = buf_ptr;
*e_com = '\0';
dump_line (true);
/* Check if the delimiter was already on a line by itself,
and skip whitespace if formating. */
while (*p == ' ' || *p == TAB)
p++;
if (*p == EOL)
buf_ptr = p + 1;
else if (format)
buf_ptr = p;
if (buf_ptr >= buf_end)
fill_buffer ();
column = start_column;
goto begin_line;
}
else if (format)
{
*e_com++ = ' ';
column = start_column + 3;
while (*buf_ptr == ' ' || *buf_ptr == TAB)
if (++buf_ptr >= buf_end)
fill_buffer ();
}
/* Iterate through the lines of the comment */
while (!had_eof)
{
/* Iterate through the characters on one line */
while (!had_eof)
{
CHECK_COM_SIZE;
switch (*buf_ptr)
{
case ' ':
case TAB:
/* If formatting, and previous break marker is
nonexistant, or before text on line, reset
it to here. */
if (format && line_break_ptr < text_on_line)
line_break_ptr = e_com;
if (format)
{
/* Don't write two spaces after another, unless the first space it preceeded by a dot. */
if (e_com == s_com || e_com[-1] != ' ' || e_com - 1 == s_com || e_com[-2] == '.')
{
*e_com++ = ' ';
column++;
}
}
else if (*buf_ptr == ' ')
{
*e_com++ = ' ';
column++;
}
else
{
/* Convert the tab to the appropriate number of spaces,
based on the column we found the comment in, not
the one we're printing in. */
int tab_width = (tabsize - ((column + found_column - start_column - 1) % tabsize));
column += tab_width;
while (tab_width--)
*e_com++ = ' ';
}
break;
case EOL:
/* We may be at the end of a C++ comment */
if (comment_type == cplus_comment)
{
cplus_exit:
parser_state_tos->tos--;
parser_state_tos->com_col = (two_contiguous_comments ? 1 : start_column);
parser_state_tos->box_com = boxed_comment;
*e_com = 0;
return;
}
if (format)
{
/* Newline and null are the two characters which
end an input line, so check here if we need to
get the next line. */
if (*buf_ptr == EOL)
++line_no;
buf_ptr++;
if (buf_ptr >= buf_end)
fill_buffer ();
/* If there are any spaces between the text and this
newline character, remove them. */
if (e_com > line_break_ptr && text_on_line < line_break_ptr)
e_com = line_break_ptr;
/* If this is "\n\n", or "\n<whitespace>\n",
it's a paragraph break. */
while (*buf_ptr == TAB || *buf_ptr == ' ')
if (++buf_ptr >= buf_end)
fill_buffer ();
if (*buf_ptr == EOL || !text_on_line)
{
paragraph_break = 1;
goto end_line;
}
/* Also need to eat the preamble. */
if (!boxed_comment && current_column () == found_column + 1 && buf_ptr[0] == '*' && buf_ptr[1] != '/')
{
if (++buf_ptr >= buf_end)
fill_buffer ();
if (*buf_ptr == ' ' && ++buf_ptr >= buf_end)
fill_buffer ();
}
/* This is a single newline. Transform it (and any
following whitespace) into a single blank. */
if (e_com[-1] != ' ')
{
line_break_ptr = e_com;
*e_com++ = ' ';
column++;
}
continue;
}
/* We are printing this line "as is", so output it
and continue on to the next line. */
goto end_line;
case '*':
/* Check if we've reached the end of the comment. */
if (comment_type == comment)
{
if (*(buf_ptr + 1) == '/')
{
/* If it's not a boxed comment, put some whitespace
before the ending delimiter. Otherwise, simply
insert the delimiter. */
if (!boxed_comment)
{
if (text_on_line)
{
if (blankline_delims && !suppress_cdb)
{
*e_com = '\0';
dump_line (true);
*e_com++ = ' ';
}
else
/* Insert space before closing delim */
if (*(e_com - 1) != ' ' && *(e_com - 1) != TAB)
*e_com++ = ' ';
}
/* If no text on line, then line is completely empty
or starts with preamble, or is beginning of
comment and starts with beginning delimiter. */
else if (s_com == e_com || *s_com != '/')
{
e_com = s_com;
*e_com++ = ' ';
}
else
/* This is case of first comment line. Test
with:
if (first_comment_line != com_lines)
abort (); */
if (*(e_com - 1) != ' ' && *(e_com - 1) != TAB)
*e_com++ = ' ';
}
/* Now insert the ending delimiter */
*e_com++ = '*';
*e_com++ = '/';
*e_com = '\0';
/* Skip any whitespace following the comment. If
there is only whitespace after it, print the line.
NOTE: We're not printing the line: TRY IT! */
buf_ptr += 2;
while (*buf_ptr == ' ' || *buf_ptr == TAB)
buf_ptr++;
if (buf_ptr >= buf_end)
fill_buffer ();
parser_state_tos->tos--;
parser_state_tos->com_col = (two_contiguous_comments ? 1 : start_column);
parser_state_tos->box_com = boxed_comment;
return;
}
/* If this star is on the second line of the
comment in the same column as the star of the
beginning delimiter, then consider it
a boxed comment. */
if (first_comment_line == com_lines - 1 && e_com == s_com + line_preamble_length
&& current_column () == found_column + 1)
{
/* Account for change in line_preamble_length: */
column -= line_preamble_length - 1;
line_preamble = " ";
line_preamble_length = 1;
boxed_comment = 1;
format = 0;
blankline_delims = 0;
*s_com = ' ';
*(s_com + 1) = '*';
text_on_line = e_com = s_com + 2;
column++;
break;
}
}
/* If it was not the end of the comment, drop through
and insert the star on the line. */
default:
/* Some textual character. */
text_on_line = e_com;
*e_com++ = *buf_ptr;
column++;
break;
}
/* If we are formatting, check that we haven't exceeded the
line length. If we haven't set line_break_ptr, keep going. */
if (format && column > right_margin && line_break_ptr)
{
if (line_break_ptr < e_com - 1)
/* Here if we are really "breaking" the line: the line
break is before some text we've seen. */
{
*line_break_ptr = '\0';
save_ptr = line_break_ptr + 1;
save_length = e_com - save_ptr;
e_com = line_break_ptr;
/* If we had to go past `right_margin' to print stuff out,
extend `right_margin' out to this point. */
if ((column - save_length) > right_margin)
right_margin = column - save_length;
}
else
/* The line break is after the last text; we're really
truncating the line. */
{
if (comment_type == cplus_comment)
{
while (*buf_ptr == TAB || *buf_ptr == ' ')
buf_ptr++;
buf_ptr--;
if (*buf_ptr == EOL)
goto cplus_exit;
}
else
{
while (*buf_ptr == TAB || *buf_ptr == ' ' || *buf_ptr == EOL)
buf_ptr++;
buf_ptr--;
}
*e_com = '\0';
}
goto end_line;
}
if (*buf_ptr == EOL)
++line_no;
buf_ptr++;
if (buf_ptr == buf_end)
fill_buffer ();
}
end_line:
/* Compress pure whitespace lines into newlines. */
if (!text_on_line && !visible_preamble && !(first_comment_line == com_lines))
e_com = s_com;
*e_com = '\0';
dump_line (true);
/* We're in the middle of a C-comment, don't add blank lines! */
prefix_blankline_requested = 0;
/* If formatting (paragraph_break is only used for formatted
comments) and user wants blank lines merged, kill all white
space after the "\n\n" indicating a paragraph break. */
if (paragraph_break)
{
if (merge_blank_comment_lines)
while (*buf_ptr == EOL || *buf_ptr == ' ' || *buf_ptr == TAB)
{
if (*buf_ptr == EOL)
++line_no;
if (++buf_ptr >= buf_end)
fill_buffer ();
}
paragraph_break = 0;
}
else
{
/* If it was a paragraph break (`if' clause), we scanned ahead
one character. So, here in the `else' clause, advance buf_ptr. */
if (*buf_ptr == EOL)
++line_no;
buf_ptr++;
if (buf_ptr >= buf_end)
fill_buffer ();
}
begin_line:
if (had_eof)
break;
/* Indent the line properly. If it's a boxed comment, align with
the '*' in the beginning slash-star and start inserting there.
Otherwise, insert blanks for alignment, or a star if the
user specified -sc. */
if (line_preamble)
{
(void) memcpy (e_com, line_preamble, line_preamble_length);
e_com += line_preamble_length;
column = start_column + line_preamble_length;
}
else
column = start_column;
line_break_ptr = 0;
/* If we have broken the line before the end for formatting,
copy the text after the break onto the beginning of this
new comment line. */
if (save_ptr)
{
while ((*save_ptr == ' ' || *save_ptr == TAB) && save_length)
{
save_ptr++;
save_length--;
}
(void) memcpy (e_com, save_ptr, save_length);
text_on_line = e_com;
e_com += save_length;
/* We only break if formatting, in which cases there
are no tabs, only spaces. */
column += save_length;
save_ptr = 0;
save_length = 0;
}
else
{
while (*buf_ptr == ' ' || *buf_ptr == TAB)
if (++buf_ptr >= buf_end)
fill_buffer ();
text_on_line = 0;
}
}
parser_state_tos->tos--;
parser_state_tos->com_col = (two_contiguous_comments ? 1 : start_column);
parser_state_tos->box_com = boxed_comment;
}
void
dump_line(void)
{ /* dump_line is the routine that actually
* effects the printing of the new source. It
* prints the label section, followed by the
* code section with the appropriate nesting
* level, followed by any comments */
int cur_col,
target_col = 1;
static int not_first_line;
if (ps.procname[0]) {
ps.ind_level = 0;
ps.procname[0] = 0;
}
if (s_code == e_code && s_lab == e_lab && s_com == e_com) {
if (suppress_blanklines > 0)
suppress_blanklines--;
else {
ps.bl_line = true;
n_real_blanklines++;
}
}
else if (!inhibit_formatting) {
suppress_blanklines = 0;
ps.bl_line = false;
if (prefix_blankline_requested && not_first_line) {
if (swallow_optional_blanklines) {
if (n_real_blanklines == 1)
n_real_blanklines = 0;
}
else {
if (n_real_blanklines == 0)
n_real_blanklines = 1;
}
}
while (--n_real_blanklines >= 0)
putc('\n', output);
n_real_blanklines = 0;
if (ps.ind_level == 0)
ps.ind_stmt = 0; /* this is a class A kludge. dont do
* additional statement indentation if we are
* at bracket level 0 */
if (e_lab != s_lab || e_code != s_code)
++code_lines; /* keep count of lines with code */
if (e_lab != s_lab) { /* print lab, if any */
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
e_lab--;
*e_lab = '\0';
cur_col = pad_output(1, compute_label_target());
if (s_lab[0] == '#' && (strncmp(s_lab, "#else", 5) == 0
|| strncmp(s_lab, "#endif", 6) == 0)) {
char *s = s_lab;
if (e_lab[-1] == '\n') e_lab--;
do putc(*s++, output);
while (s < e_lab && 'a' <= *s && *s<='z');
while ((*s == ' ' || *s == '\t') && s < e_lab)
s++;
if (s < e_lab)
fprintf(output, s[0]=='/' && s[1]=='*' ? "\t%.*s" : "\t/* %.*s */",
(int)(e_lab - s), s);
}
else fprintf(output, "%.*s", (int)(e_lab - s_lab), s_lab);
cur_col = count_spaces(cur_col, s_lab);
}
else
cur_col = 1; /* there is no label section */
ps.pcase = false;
if (s_code != e_code) { /* print code section, if any */
char *p;
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
target_col = compute_code_target();
{
int i;
for (i = 0; i < ps.p_l_follow; i++)
if (ps.paren_indents[i] >= 0)
ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
}
cur_col = pad_output(cur_col, target_col);
for (p = s_code; p < e_code; p++)
if (*p == (char) 0200)
fprintf(output, "%d", target_col * 7);
else
putc(*p, output);
cur_col = count_spaces(cur_col, s_code);
}
if (s_com != e_com) { /* print comment, if any */
int target = ps.com_col;
char *com_st = s_com;
target += ps.comment_delta;
while (*com_st == '\t') /* consider original indentation in
* case this is a box comment */
com_st++, target += tabsize;
while (target <= 0)
if (*com_st == ' ')
target++, com_st++;
else if (*com_st == '\t')
target = tabsize * (1 + (target - 1) / tabsize) + 1, com_st++;
else
target = 1;
if (cur_col > target) { /* if comment can't fit on this line,
* put it on next line */
putc('\n', output);
cur_col = 1;
++ps.out_lines;
}
while (e_com > com_st && isspace((unsigned char)e_com[-1]))
e_com--;
(void)pad_output(cur_col, target);
fwrite(com_st, e_com - com_st, 1, output);
ps.comment_delta = ps.n_comment_delta;
++ps.com_lines; /* count lines with comments */
}
if (ps.use_ff)
putc('\014', output);
else
putc('\n', output);
++ps.out_lines;
if (ps.just_saw_decl == 1 && blanklines_after_declarations) {
prefix_blankline_requested = 1;
ps.just_saw_decl = 0;
}
else
prefix_blankline_requested = postfix_blankline_requested;
postfix_blankline_requested = 0;
}
ps.decl_on_line = ps.in_decl; /* if we are in the middle of a
* declaration, remember that fact for
* proper comment indentation */
ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be
* indented if we have not
* completed this stmt and if
* we are not in the middle of
* a declaration */
ps.use_ff = false;
ps.dumped_decl_indent = 0;
*(e_lab = s_lab) = '\0'; /* reset buffers */
*(e_code = s_code) = '\0';
*(e_com = s_com = combuf + 1) = '\0';
ps.ind_level = ps.i_l_follow;
ps.paren_level = ps.p_l_follow;
if (ps.paren_level > 0)
paren_target = -ps.paren_indents[ps.paren_level - 1];
not_first_line = 1;
}
dump_line()
{ /* dump_line is the routine that actually
* effects the printing of the new source.
* It prints the label section, followed
* by the code section with the
* appropriate nesting level, followed by
* any comments */
register int cur_col,
temp_col,
target_col;
if (ps.procname[0]) {
if (troff)
fprintf(output, ".Pr \"%s\"\n", ps.procname);
ps.ind_level = 0;
ps.procname[0] = 0;
}
if (s_code == e_code && s_lab == e_lab && s_com == e_com) {
if (suppress_blanklines>0) suppress_blanklines--;
else {
ps.bl_line = true;
n_real_blanklines++;
}
}
else if (!inhibit_formatting) {
suppress_blanklines = 0;
ps.bl_line = false;
if (prefix_blankline_requested)
if (swallow_optional_blanklines) {
if (n_real_blanklines == 1)
n_real_blanklines = 0;
}
else {
if (n_real_blanklines == 0)
n_real_blanklines = 1;
}
while (--n_real_blanklines >= 0)
putc('\n', output);
n_real_blanklines = 0;
if (ps.ind_level == 0)
ps.ind_stmt = 0; /* this is a class A kludge. dont do
* additional statement indentation if we
* are at bracket level 0 */
if (e_lab != s_lab || e_code != s_code)
++code_lines; /* keep count of lines with code */
if (e_lab != s_lab) { /* print lab, if any */
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
while (e_lab > s_lab && (e_lab[-1] == ' ' || e_lab[-1] == '\t'))
e_lab--;
cur_col = pad_output(1, compute_label_target());
fprintf(output, "%.*s", e_lab - s_lab, s_lab);
cur_col = count_spaces(cur_col, s_lab);
}
else
cur_col = 1; /* there is no label section */
ps.pcase = false;
if (s_code != e_code) { /* print code section, if any */
register char *p;
if (comment_open) {
comment_open = 0;
fprintf(output, ".*/\n");
}
target_col = compute_code_target();
{
register i;
for (i = 0; i < ps.p_l_follow; i++)
if (ps.paren_indents[i] >= 0)
ps.paren_indents[i] = -(ps.paren_indents[i] + target_col);
}
cur_col = pad_output(cur_col, target_col);
for (p = s_code; p < e_code; p++)
if (*p == 0200)
fprintf(output, "%d", target_col * 7);
else
putc(*p, output);
cur_col = count_spaces(cur_col, s_code);
}
if (s_com != e_com)
if (troff) {
register char *p;
if (e_com[-1] == '/' && e_com[-2] == '*')
e_com -= 2;
while (e_com > s_com && e_com[-1] == ' ')
e_com--;
*e_com = 0;
p = s_com;
while (*p == ' ')
p++;
if (p[0] == '/' && p[1] == '*')
p += 2;
else if (p[0] == '*')
p += p[1] == '/' ? 2 : 1;
while (*p == ' ')
p++;
if (*p == 0)
goto inhibit_newline;
if (!comment_open) {
if ('a' <= *p && *p <= 'z')
*p = *p + 'A' - 'a';
if (s_code != e_code || s_lab != e_lab) {
fprintf(output, "\\c\n./* %dp 1 %dp\n",
ps.com_col * 7, target_col * 7);
}
else
fprintf(output, "./* %dp 0 %dp\n",
ps.com_col * 7, target_col * 7);
}
comment_open = 1;
while (*p) {
if (*p == BACKSLASH)
putc(BACKSLASH, output);
putc(*p++, output);
}
}
else { /* print comment, if any */
register target = ps.com_col;
register char *com_st = s_com;
target += ps.comment_delta;
while (target <= 0)
if (*s_com == ' ')
target++, s_com++;
else if (*s_com == '\t')
target = ((target - 1) & ~7) + 9, s_com++;
else
target = 1;
if (cur_col > target) { /* if comment cant fit on this
* line, put it on next line */
putc('\n', output);
cur_col = 1;
++ps.out_lines;
}
cur_col = pad_output(cur_col, target);
if (!ps.box_com) {
if (star_comment_cont && com_st[1] != '*')
if (com_st[1] == ' ' && com_st[0] == ' ')
com_st[1] = '*';
else
fwrite(" * ", com_st[0] == '\t' ? 2 : com_st[0] == '*' ? 1 : 3, 1, output);
}
fwrite(com_st, e_com - com_st, 1, output);
ps.comment_delta = ps.n_comment_delta;
cur_col = count_spaces(cur_col, com_st);
++ps.com_lines; /* count lines with comments */
}
if (ps.use_ff)
putc('\014', output);
else
putc('\n', output);
inhibit_newline:
++ps.out_lines;
if (ps.just_saw_decl == 1 && blanklines_after_declarations) {
prefix_blankline_requested = 1;
ps.just_saw_decl = 0;
}
else
prefix_blankline_requested = postfix_blankline_requested;
postfix_blankline_requested = 0;
}
ps.decl_on_line = ps.in_decl; /* if we are in the middle of a
* declaration, remember that fact
* for proper comment indentation */
ps.ind_stmt = ps.in_stmt & ~ps.in_decl; /* next line should be
* indented if we have not
* completed this stmt and
* if we are not in the
* middle of a declaration */
ps.use_ff = false;
ps.dumped_decl_indent = 0;
*(e_lab = s_lab) = '\0'; /* reset buffers */
*(e_code = s_code) = '\0';
*(e_com = s_com) = '\0';
ps.ind_level = ps.i_l_follow;
ps.paren_level = ps.p_l_follow;
paren_target = -ps.paren_indents[ps.paren_level - 1];
return;
};