gbranden pushed a commit to branch master
in repository groff.
commit c0811ebb9a92d675a9ca91d3dea5d7a9e2e62e8d
Author: G. Branden Robinson <[email protected]>
AuthorDate: Tue Mar 4 01:38:27 2025 -0600
[troff]: Implement recursive node dumping (8c/9).
Derive class `zero_width_node` from struct `container_node`.
* src/roff/troff/node.h (class zero_width_node): Do it. Drop
pointer-to-node member variable and declaration of destructor.
* src/roff/troff/node.cpp (zero_width_node::~zero_width_node): Drop; our
base class handles destruction of contained node(s).
(zero_width_node::zero_width_node): Migrate constructors to use new
base class.
Changes `pline` request output as follows.
-{"type": "zero_width_node", "diversion level": 0, "is_special_node":
false},
+{"type": "zero_width_node", "diversion level": 0, "is_special_node":
false, "contents": [{"type": "dummy_node", "diversion level": 0,
"is_special_node": false}, {"type": "glyph_node", "diversion level": 0,
"is_special_node": false, "character": "a"}, {"type": "glyph_node", "diversion
level": 0, "is_special_node": false, "character": "b"}, {"type": "glyph_node",
"diversion level": 0, "is_special_node": false, "character": "c"}, {"type":
"hmotion_node", "diversion level": 0, "is_specia [...]
---
ChangeLog | 12 ++++++++++++
src/roff/troff/node.cpp | 9 ++-------
src/roff/troff/node.h | 5 +----
3 files changed, 15 insertions(+), 11 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 19178b721..7094d2080 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2025-03-04 G. Branden Robinson <[email protected]>
+
+ [troff]: Derive class `zero_width_node` from struct
+ `container_node`.
+
+ * src/roff/troff/node.h (class zero_width_node): Do it. Drop
+ pointer-to-node member variable and declaration of destructor.
+ * src/roff/troff/node.cpp (zero_width_node::~zero_width_node):
+ Drop; our base class handles destruction of contained node(s).
+ (zero_width_node::zero_width_node): Migrate constructors to use
+ new base class.
+
2025-03-03 G. Branden Robinson <[email protected]>
[troff]: Derive class `vline_node` from struct `container_node`.
diff --git a/src/roff/troff/node.cpp b/src/roff/troff/node.cpp
index 2080d5066..58c89e97d 100644
--- a/src/roff/troff/node.cpp
+++ b/src/roff/troff/node.cpp
@@ -3264,20 +3264,15 @@ hunits vline_node::width()
}
zero_width_node::zero_width_node(node *nd, statem *s, int divlevel)
-: node(0 /* nullptr */, s, divlevel), nodes(nd)
+: container_node(0 /* nullptr */, s, divlevel, nd)
{
}
zero_width_node::zero_width_node(node *nd)
-: nodes(nd)
+: container_node(nd)
{
}
-zero_width_node::~zero_width_node()
-{
- delete_node_list(nodes);
-}
-
node *zero_width_node::copy()
{
return new zero_width_node(copy_node_list(nodes), state,
diff --git a/src/roff/troff/node.h b/src/roff/troff/node.h
index 2bfc3b01e..ec7c7e9bc 100644
--- a/src/roff/troff/node.h
+++ b/src/roff/troff/node.h
@@ -486,13 +486,10 @@ public:
hyphenation_type get_hyphenation_type();
};
-// TODO: Derive from abstract class `container_node`.
-class zero_width_node : public node {
- node *nodes;
+class zero_width_node : public container_node {
public:
zero_width_node(node *);
zero_width_node(node *, statem *, int);
- ~zero_width_node();
node *copy();
void tprint(troff_output_file *);
void ascii_print(ascii_output_file *);
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