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Some key bits.

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This commit is contained in:
Nicholas Marriott
2026-06-30 15:14:54 +01:00
parent b48e2ea8e9
commit 9569c57fc3
7 changed files with 119 additions and 45 deletions
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27
cmd-invoke.c
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@@ -252,12 +252,22 @@ cmd_invoke_is_true(struct cmdq_item *item,
return (0);
}
/* Push the selected conditional branch onto the traversal stack. */
static void
cmd_invoke_push_branch(struct cmd_invoke_state *is,
struct cmd_parse_node *node, struct cmd_parse_node *first)
/* Skip else branches. */
static struct cmd_parse_node *
cmd_invoke_if_branch_end(struct cmd_parse_node *first)
{
cmd_invoke_push(is, node, first, NULL);
struct cmd_parse_node *node;
for (node = first; node != NULL; node = cmd_parse_node_next(node)) {
switch (cmd_parse_node_type(node)) {
case CMD_PARSE_ELIF:
case CMD_PARSE_ELSE:
return (node);
default:
break;
}
}
return (NULL);
}
/* Select and queue the branch for a conditional node. */
@@ -275,7 +285,8 @@ cmd_invoke_if(struct cmdq_item *item, struct cmd_invoke_state *is,
if (cmd_invoke_is_true(item, is, next, &r) != 0)
return (-1);
if (r) {
cmd_invoke_push_branch(is, node, first);
next = cmd_invoke_if_branch_end(first);
cmd_invoke_push(is, node, first, next);
return (0);
}
@@ -289,13 +300,13 @@ cmd_invoke_if(struct cmdq_item *item, struct cmd_invoke_state *is,
return (-1);
if (r) {
next = cmd_parse_node_next(next);
cmd_invoke_push_branch(is, child, next);
cmd_invoke_push(is, child, next, NULL);
return (0);
}
break;
case CMD_PARSE_ELSE:
next = cmd_parse_node_first_child(child);
cmd_invoke_push_branch(is, child, next);
cmd_invoke_push(is, child, next, NULL);
return (0);
default:
break;