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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); free($2);
} }
statement : condition statement : /* empty */
{
$$ = xmalloc (sizeof *$$);
TAILQ_INIT($$);
}
| condition
{ {
struct cmd_parse_state *ps = &parse_state; struct cmd_parse_state *ps = &parse_state;
@@ -144,11 +149,6 @@ statement : condition
cmd_parse_free_commands($1); cmd_parse_free_commands($1);
} }
} }
| assignment
{
$$ = xmalloc (sizeof *$$);
TAILQ_INIT($$);
}
| commands | commands
{ {
struct cmd_parse_state *ps = &parse_state; struct cmd_parse_state *ps = &parse_state;
@@ -194,8 +194,10 @@ expanded : format
free($1); free($1);
} }
assignment : /* empty */ optional_assignment : /* empty */
| EQUALS | assignment
assignment : EQUALS
{ {
struct cmd_parse_state *ps = &parse_state; struct cmd_parse_state *ps = &parse_state;
int flags = ps->input->flags; int flags = ps->input->flags;
@@ -372,7 +374,15 @@ commands : command
$$ = $1; $$ = $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; struct cmd_parse_state *ps = &parse_state;
@@ -381,7 +391,7 @@ command : assignment TOKEN
$$->line = ps->input->line; $$->line = ps->input->line;
} }
| assignment TOKEN arguments | optional_assignment TOKEN arguments
{ {
struct cmd_parse_state *ps = &parse_state; struct cmd_parse_state *ps = &parse_state;
@@ -631,6 +641,8 @@ cmd_parse_build_commands(struct cmd_parse_commands *cmds,
* command list. * command list.
*/ */
TAILQ_FOREACH_SAFE(cmd, cmds, entry, next) { TAILQ_FOREACH_SAFE(cmd, cmds, entry, next) {
if (cmd->name == NULL)
continue;
alias = cmd_get_alias(cmd->name); alias = cmd_get_alias(cmd->name);
if (alias == NULL) if (alias == NULL)
continue; continue;
@@ -676,6 +688,8 @@ cmd_parse_build_commands(struct cmd_parse_commands *cmds,
*/ */
result = cmd_list_new(); result = cmd_list_new();
TAILQ_FOREACH(cmd, cmds, entry) { TAILQ_FOREACH(cmd, cmds, entry) {
if (cmd->name == NULL)
continue;
log_debug("%s: %u %s", __func__, cmd->line, cmd->name); log_debug("%s: %u %s", __func__, cmd->line, cmd->name);
cmd_log_argv(cmd->argc, cmd->argv, __func__); cmd_log_argv(cmd->argc, cmd->argv, __func__);