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Diffstat (limited to 'src/nvim/if_cscope.c')
-rw-r--r--src/nvim/if_cscope.c141
1 files changed, 58 insertions, 83 deletions
diff --git a/src/nvim/if_cscope.c b/src/nvim/if_cscope.c
index e54bffb587..85534ebcff 100644
--- a/src/nvim/if_cscope.c
+++ b/src/nvim/if_cscope.c
@@ -1,13 +1,11 @@
// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
-/*
- * CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com>
- * Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com>
- *
- * The basic idea/structure of cscope for Vim was borrowed from Nvi. There
- * might be a few lines of code that look similar to what Nvi has.
- */
+// CSCOPE support for Vim added by Andy Kahn <kahn@zk3.dec.com>
+// Ported to Win32 by Sergey Khorev <sergey.khorev@gmail.com>
+//
+// The basic idea/structure of cscope for Vim was borrowed from Nvi. There
+// might be a few lines of code that look similar to what Nvi has.
#include <assert.h>
#include <errno.h>
@@ -78,10 +76,8 @@ static enum {
EXP_CSCOPE_KILL, // expand ":cscope kill" arguments
} expand_what;
-/*
- * Function given to ExpandGeneric() to obtain the cscope command
- * expansion.
- */
+// Function given to ExpandGeneric() to obtain the cscope command
+// expansion.
char *get_cscope_name(expand_T *xp, int idx)
{
int current_idx;
@@ -140,9 +136,7 @@ char *get_cscope_name(expand_T *xp, int idx)
}
}
-/*
- * Handle command line completion for :cscope command.
- */
+// Handle command line completion for :cscope command.
void set_context_in_cscope_cmd(expand_T *xp, const char *arg, cmdidx_T cmdidx)
{
// Default: expand subcommands.
@@ -304,33 +298,31 @@ void cs_print_tags(void)
cs_manage_matches(NULL, NULL, 0, Print);
}
-/*
- * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
- *
- * Checks for the existence of a |cscope| connection. If no
- * parameters are specified, then the function returns:
- *
- * 0, if cscope was not available (not compiled in), or if there
- * are no cscope connections; or
- * 1, if there is at least one cscope connection.
- *
- * If parameters are specified, then the value of {num}
- * determines how existence of a cscope connection is checked:
- *
- * {num} Description of existence check
- * ----- ------------------------------
- * 0 Same as no parameters (e.g., "cscope_connection()").
- * 1 Ignore {prepend}, and use partial string matches for
- * {dbpath}.
- * 2 Ignore {prepend}, and use exact string matches for
- * {dbpath}.
- * 3 Use {prepend}, use partial string matches for both
- * {dbpath} and {prepend}.
- * 4 Use {prepend}, use exact string matches for both
- * {dbpath} and {prepend}.
- *
- * Note: All string comparisons are case sensitive!
- */
+// "cscope_connection([{num} , {dbpath} [, {prepend}]])" function
+//
+// Checks for the existence of a |cscope| connection. If no
+// parameters are specified, then the function returns:
+//
+// 0, if cscope was not available (not compiled in), or if there
+// are no cscope connections; or
+// 1, if there is at least one cscope connection.
+//
+// If parameters are specified, then the value of {num}
+// determines how existence of a cscope connection is checked:
+//
+// {num} Description of existence check
+// ----- ------------------------------
+// 0 Same as no parameters (e.g., "cscope_connection()").
+// 1 Ignore {prepend}, and use partial string matches for
+// {dbpath}.
+// 2 Ignore {prepend}, and use exact string matches for
+// {dbpath}.
+// 3 Use {prepend}, use partial string matches for both
+// {dbpath} and {prepend}.
+// 4 Use {prepend}, use exact string matches for both
+// {dbpath} and {prepend}.
+//
+// Note: All string comparisons are case sensitive!
bool cs_connection(int num, char_u *dbpath, char_u *ppath)
{
if (num < 0 || num > 4 || (num > 0 && !dbpath)) {
@@ -379,9 +371,8 @@ bool cs_connection(int num, char_u *dbpath, char_u *ppath)
return false;
} // cs_connection
-/*
- * PRIVATE functions
- ****************************************************************************/
+// PRIVATE functions
+// **************************************************************************
/// Add cscope database or a directory name (to look for cscope.out)
/// to the cscope connection list.
@@ -684,10 +675,8 @@ static int cs_create_connection(size_t i)
char *prog, *cmd, *ppath = NULL;
#if defined(UNIX)
- /*
- * Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from
- * from_cs[0] and writes to to_cs[1].
- */
+ // Cscope reads from to_cs[0] and writes to from_cs[1]; vi reads from
+ // from_cs[0] and writes to to_cs[1].
to_cs[0] = to_cs[1] = from_cs[0] = from_cs[1] = -1;
if (pipe(to_cs) < 0 || pipe(from_cs) < 0) {
(void)emsg(_("E566: Could not create cscope pipes"));
@@ -896,10 +885,8 @@ static int cs_find(exarg_T *eap)
return false;
}
- /*
- * Let's replace the NULs written by strtok() with spaces - we need the
- * spaces to correctly display the quickfix/location list window's title.
- */
+ // Let's replace the NULs written by strtok() with spaces - we need the
+ // spaces to correctly display the quickfix/location list window's title.
for (int i = 0; i < eap_arg_len; i++) {
if (NUL == eap->arg[i]) {
eap->arg[i] = ' ';
@@ -1041,10 +1028,8 @@ static bool cs_find_common(char *opt, char *pat, int forceit, int verbose, bool
apply_autocmds(EVENT_QUICKFIXCMDPOST, "cscope", curbuf->b_fname, true, curbuf);
if (use_ll) {
- /*
- * In the location list window, use the displayed location
- * list. Otherwise, use the location list for the window.
- */
+ // In the location list window, use the displayed location
+ // list. Otherwise, use the location list for the window.
qi = (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL)
? wp->w_llist_ref : wp->w_llist;
}
@@ -1431,11 +1416,9 @@ retry:
}
*p = '\0';
- /*
- * cscope output is in the following format:
- *
- * <filename> <context> <line number> <pattern>
- */
+ // cscope output is in the following format:
+ //
+ // <filename> <context> <line number> <pattern>
char *saveptr = NULL;
if ((name = os_strtok(buf, (const char *)" ", &saveptr)) == NULL) {
return NULL;
@@ -1786,9 +1769,7 @@ static int cs_read_prompt(size_t i)
}
#if defined(UNIX) && defined(SIGALRM)
-/*
- * Used to catch and ignore SIGALRM below.
- */
+// Used to catch and ignore SIGALRM below.
static void sig_handler(int s)
{
// do nothing
@@ -1847,25 +1828,21 @@ static void cs_release_csp(size_t i, bool freefnpp)
os_delay(50L, false); // sleep 50 ms
}
# endif
- /*
- * If the cscope process is still running: kill it.
- * Safety check: If the PID would be zero here, the entire X session
- * would be killed. -1 and 1 are dangerous as well.
- */
+ // If the cscope process is still running: kill it.
+ // Safety check: If the PID would be zero here, the entire X session
+ // would be killed. -1 and 1 are dangerous as well.
if (pid < 0 && csinfo[i].pid > 1) {
# ifdef ECHILD
bool alive = true;
if (waitpid_errno == ECHILD) {
- /*
- * When using 'vim -g', vim is forked and cscope process is
- * no longer a child process but a sibling. So waitpid()
- * fails with errno being ECHILD (No child processes).
- * Don't send SIGKILL to cscope immediately but wait
- * (polling) for it to exit normally as result of sending
- * the "q" command, hence giving it a chance to clean up
- * its temporary files.
- */
+ // When using 'vim -g', vim is forked and cscope process is
+ // no longer a child process but a sibling. So waitpid()
+ // fails with errno being ECHILD (No child processes).
+ // Don't send SIGKILL to cscope immediately but wait
+ // (polling) for it to exit normally as result of sending
+ // the "q" command, hence giving it a chance to clean up
+ // its temporary files.
int waited;
sleep(0);
@@ -1974,11 +1951,9 @@ static char *cs_resolve_file(size_t i, char *name)
char *fullname;
char_u *csdir = NULL;
- /*
- * Ppath is freed when we destroy the cscope connection.
- * Fullname is freed after cs_make_vim_style_matches, after it's been
- * copied into the tag buffer used by Vim.
- */
+ // Ppath is freed when we destroy the cscope connection.
+ // Fullname is freed after cs_make_vim_style_matches, after it's been
+ // copied into the tag buffer used by Vim.
size_t len = strlen(name) + 2;
if (csinfo[i].ppath != NULL) {
len += strlen(csinfo[i].ppath);
generated by cgit (git 2.34.1) at 2025-07-24 03:29:27 +0000