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When parsing strings, put all commands in one group even if there are

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newlines. This means that for example bind q { a \n b } and bind q "a ;
b" are the same. Also log commands in different groups separated by ;;
rather than ; (a command list like this should never be user visible).
This commit is contained in:
nicm 2020-04-13 16:19:37 +00:00
parent 3f86d6d460
commit 34804f2709
3 changed files with 35 additions and 10 deletions
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21
cmd-parse.y
View File

@ -700,15 +700,17 @@ cmd_parse_build_commands(struct cmd_parse_commands *cmds,
/*
* Parse each command into a command list. Create a new command list
* for each line so they get a new group (so the queue knows which ones
* to remove if a command fails when executed).
* for each line (unless the flag is set) so they get a new group (so
* the queue knows which ones to remove if a command fails when
* executed).
*/
result = cmd_list_new();
TAILQ_FOREACH(cmd, cmds, entry) {
log_debug("%s: %u %s", __func__, cmd->line, cmd->name);
cmd_log_argv(cmd->argc, cmd->argv, __func__);
if (cmdlist == NULL || cmd->line != line) {
if (cmdlist == NULL ||
((~pi->flags & CMD_PARSE_ONEGROUP) && cmd->line != line)) {
if (cmdlist != NULL) {
cmd_parse_print_commands(pi, line, cmdlist);
cmd_list_move(result, cmdlist);
@ -775,6 +777,19 @@ cmd_parse_from_file(FILE *f, struct cmd_parse_input *pi)
struct cmd_parse_result *
cmd_parse_from_string(const char *s, struct cmd_parse_input *pi)
{
struct cmd_parse_input input;
if (pi == NULL) {
memset(&input, 0, sizeof input);
pi = &input;
}
/*
* When parsing a string, put commands in one group even if there are
* multiple lines. This means { a \n b } is identical to "a ; b" when
* given as an argument to another command.
*/
pi->flags |= CMD_PARSE_ONEGROUP;
return (cmd_parse_from_buffer(s, strlen(s), pi));
}

23
cmd.c
View File

@ -624,7 +624,7 @@ cmd_list_free(struct cmd_list *cmdlist)
char *
cmd_list_print(struct cmd_list *cmdlist, int escaped)
{
struct cmd *cmd;
struct cmd *cmd, *next;
char *buf, *this;
size_t len;
@ -634,15 +634,24 @@ cmd_list_print(struct cmd_list *cmdlist, int escaped)
TAILQ_FOREACH(cmd, cmdlist->list, qentry) {
this = cmd_print(cmd);
len += strlen(this) + 4;
len += strlen(this) + 6;
buf = xrealloc(buf, len);
strlcat(buf, this, len);
if (TAILQ_NEXT(cmd, qentry) != NULL) {
if (escaped)
strlcat(buf, " \\; ", len);
else
strlcat(buf, " ; ", len);
next = TAILQ_NEXT(cmd, qentry);
if (next != NULL) {
if (cmd->group != next->group) {
if (escaped)
strlcat(buf, " \\;\\; ", len);
else
strlcat(buf, " ;; ", len);
} else {
if (escaped)
strlcat(buf, " \\; ", len);
else
strlcat(buf, " ; ", len);
}
}
free(this);

1
tmux.h
View File

@ -1370,6 +1370,7 @@ struct cmd_parse_input {
#define CMD_PARSE_PARSEONLY 0x2
#define CMD_PARSE_NOALIAS 0x4
#define CMD_PARSE_VERBOSE 0x8
#define CMD_PARSE_ONEGROUP 0x10
const char *file;
u_int line;