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Change so that assignments may be specified alone - a command isn't

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required. GitHub issue 2062.
This commit is contained in:
nicm
2020-01-27 08:23:42 +00:00
parent 9169ee0e87
commit 2e39b621c9
1 changed files with 24 additions and 10 deletions
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34
cmd-parse.y
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@@ -133,7 +133,12 @@ statements : statement '\n'
free($2);
}
statement : condition
statement : /* empty */
{
$$ = xmalloc (sizeof *$$);
TAILQ_INIT($$);
}
| condition
{
struct cmd_parse_state *ps = &parse_state;
@@ -144,11 +149,6 @@ statement : condition
cmd_parse_free_commands($1);
}
}
| assignment
{
$$ = xmalloc (sizeof *$$);
TAILQ_INIT($$);
}
| commands
{
struct cmd_parse_state *ps = &parse_state;
@@ -194,8 +194,10 @@ expanded : format
free($1);
}
assignment : /* empty */
| EQUALS
optional_assignment : /* empty */
| assignment
assignment : EQUALS
{
struct cmd_parse_state *ps = &parse_state;
int flags = ps->input->flags;
@@ -372,7 +374,15 @@ commands : command
$$ = $1;
}
command : assignment TOKEN
command : assignment
{
struct cmd_parse_state *ps = &parse_state;
$$ = xcalloc(1, sizeof *$$);
$$->name = NULL;
$$->line = ps->input->line;
}
| optional_assignment TOKEN
{
struct cmd_parse_state *ps = &parse_state;
@@ -381,7 +391,7 @@ command : assignment TOKEN
$$->line = ps->input->line;
}
| assignment TOKEN arguments
| optional_assignment TOKEN arguments
{
struct cmd_parse_state *ps = &parse_state;
@@ -631,6 +641,8 @@ cmd_parse_build_commands(struct cmd_parse_commands *cmds,
* command list.
*/
TAILQ_FOREACH_SAFE(cmd, cmds, entry, next) {
if (cmd->name == NULL)
continue;
alias = cmd_get_alias(cmd->name);
if (alias == NULL)
continue;
@@ -676,6 +688,8 @@ cmd_parse_build_commands(struct cmd_parse_commands *cmds,
*/
result = cmd_list_new();
TAILQ_FOREACH(cmd, cmds, entry) {
if (cmd->name == NULL)
continue;
log_debug("%s: %u %s", __func__, cmd->line, cmd->name);
cmd_log_argv(cmd->argc, cmd->argv, __func__);