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Author	SHA1	Message	Date
Siegfried Pammer	847324e836	Fix #3845 : Add option to expand XML documentation comments Doc-comment folds were created with defaultCollapsed hardcoded to true, so /// blocks always started collapsed. The new Display option is bridged into DecompilerSettings like the other expand flags and drives the fold's default state. Detecting the last line of a doc-comment block requires sibling navigation between trivia nodes, so trivia now carry parent, sibling list, and index state. That state lives on the Trivia subclass to keep AstNode's size unchanged, and the tree API treats trivia as a separate navigation space: Next/PrevSibling and Remove work within the owning list, Slot is null, ReplaceWith throws instead of aliasing the trivia index into the parent's child slots, GetNextNode/GetPrevNode stop at the list boundary, Clone and CopyAnnotationsFrom deep-copy and reparent trivia, and CheckInvariant validates the trivia lists. Assisted-by: Claude:claude-fable-5:Claude Code	2 months ago
Siegfried Pammer	721ef6032d	Enumerate AST children with a zero-allocation struct enumerator The generated GetChildNodes materialized a List<AstNode> (plus a boxed List.Enumerator at every foreach) for each node, so AstNode.Children and the visitor's per-node child walk allocated three objects per traversal. Decompiling System.Private.CoreLib that came to ~1.7 GB of extra garbage, roughly +7% over the linked-list model the slot tree replaced. A yield iterator removes the List but trades it for an equally costly per-node state machine, so it is not enough on its own. Enumerate children through a by-value struct enumerator over the existing FirstChild/NextSibling primitives, capturing each child's successor before it is yielded so a transform may still remove or replace the current child mid-traversal. AstNodeCollection<T> gets the same struct treatment for a direct foreach. Child enumeration now allocates nothing, bringing total allocations back to the linked-list baseline at byte-identical output (full Pretty suite green with CheckInvariant active). Assisted-by: Claude:claude-opus-4-8:Claude Code	3 months ago

Author

SHA1

Message

Date

Siegfried Pammer

847324e836

Fix #3845 : Add option to expand XML documentation comments

Doc-comment folds were created with defaultCollapsed hardcoded to true,
so /// blocks always started collapsed. The new Display option is
bridged into DecompilerSettings like the other expand flags and drives
the fold's default state.

Detecting the last line of a doc-comment block requires sibling
navigation between trivia nodes, so trivia now carry parent, sibling
list, and index state. That state lives on the Trivia subclass to keep
AstNode's size unchanged, and the tree API treats trivia as a separate
navigation space: Next/PrevSibling and Remove work within the owning
list, Slot is null, ReplaceWith throws instead of aliasing the trivia
index into the parent's child slots, GetNextNode/GetPrevNode stop at
the list boundary, Clone and CopyAnnotationsFrom deep-copy and reparent
trivia, and CheckInvariant validates the trivia lists.

Assisted-by: Claude:claude-fable-5:Claude Code

2 months ago

Siegfried Pammer

721ef6032d

Enumerate AST children with a zero-allocation struct enumerator

The generated GetChildNodes materialized a List<AstNode> (plus a boxed
List.Enumerator at every foreach) for each node, so AstNode.Children and
the visitor's per-node child walk allocated three objects per traversal.
Decompiling System.Private.CoreLib that came to ~1.7 GB of extra garbage,
roughly +7% over the linked-list model the slot tree replaced. A yield
iterator removes the List but trades it for an equally costly per-node
state machine, so it is not enough on its own.

Enumerate children through a by-value struct enumerator over the existing
FirstChild/NextSibling primitives, capturing each child's successor before
it is yielded so a transform may still remove or replace the current child
mid-traversal. AstNodeCollection<T> gets the same struct treatment for a
direct foreach. Child enumeration now allocates nothing, bringing total
allocations back to the linked-list baseline at byte-identical output
(full Pretty suite green with CheckInvariant active).

Assisted-by: Claude:claude-opus-4-8:Claude Code

3 months ago

2 Commits (3ef547ca2cb1bb293034c2a309b6514fa0f7124f)