gbranden pushed a commit to branch master
in repository groff.
commit a38381dc75bfd082592334fd708c33c7ec92f2b7
Author: G. Branden Robinson <[email protected]>
AuthorDate: Mon Mar 3 09:05:25 2025 -0600
[troff]: Implement recursive node dumping (5r/9).
* src/roff/troff/node.h (class kern_pair_node): Specialize (override)
`dump_properties()` for this class.
* src/roff/troff/node.cpp (kern_pair_node::dump_properties): New member
function reports value of `amount` property.
Changes `pline` request output as follows.
-{"type": "dbreak_node", "none": {"type": "glyph_node", "diversion level":
0, "is_special_node": false, "character": "r"}, "pre": {"type":
"kern_pair_node", "diversion level": 0, "is_special_node": false}, "diversion
level": 0, "is_special_node": false},
+{"type": "dbreak_node", "none": {"type": "glyph_node", "diversion level":
0, "is_special_node": false, "character": "r"}, "pre": {"type":
"kern_pair_node", "diversion level": 0, "is_special_node": false, "amount":
-200}, "diversion level": 0, "is_special_node": false},
-{"type": "kern_pair_node", "diversion level": 0, "is_special_node": false},
+{"type": "kern_pair_node", "diversion level": 0, "is_special_node": false,
"amount": -100},
---
ChangeLog | 7 +++++++
src/roff/troff/node.cpp | 8 ++++++++
2 files changed, 15 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index fd9398e2c..b1f9b11e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2025-03-03 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/node.h (class kern_pair_node): Specialize
+ {override} `dump_properties()` for this class.
+ * src/roff/troff/node.cpp (kern_pair_node::dump_properties): New
+ member function reports value of `amount` property.
+
2025-03-03 G. Branden Robinson <[email protected]>
* src/roff/troff/node.h (class tag_node): Specialize (override)
diff --git a/src/roff/troff/node.cpp b/src/roff/troff/node.cpp
index 423fb69e0..3abb6b0aa 100644
--- a/src/roff/troff/node.cpp
+++ b/src/roff/troff/node.cpp
@@ -2014,6 +2014,7 @@ public:
bool causes_tprint();
bool is_tag();
void vertical_extent(vunits *, vunits *);
+ void dump_properties();
};
class dbreak_node : public node {
@@ -2298,6 +2299,13 @@ kern_pair_node::kern_pair_node(hunits n, node *first,
node *second,
{
}
+void kern_pair_node::dump_properties()
+{
+ node::dump_properties();
+ fprintf(stderr, ", \"amount\": %d", amount.to_units());
+ fflush(stderr);
+}
+
dbreak_node::dbreak_node(node *n, node *p, statem *s, int divlevel,
node *x)
: node(x, s, divlevel), none(n), pre(p), post(0 /* nullptr */)
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