LiteralEntry - tcl/tkコードリーディング

概要

リテラルエントリー

tcl/generic/tclInt.h

メンバー

• struct LiteralEntry *nextPtr; 次の LiteralEntry へのポインタ
• Tcl_Obj *objPtr;
• int refCount;
• Namespace *nsPtr; リテラルが使われている名前空間。

ソース

 typedef struct LiteralEntry {
     struct LiteralEntry *nextPtr;
 				/* Points to next entry in this hash bucket or
 				 * NULL if end of chain. */
     [[Tcl_Obj]] *objPtr;		/* Points to Tcl object that holds the
 				 * literal's bytes and length. */
     int refCount;		/* If in an interpreter's global literal
 				 * table, the number of ByteCode structures
 				 * that share the literal object; the literal
 				 * entry can be freed when refCount drops to
 				 * 0. If in a local literal table, -1. */
     [[Namespace]] *nsPtr;		/* Namespace in which this literal is used. We
 				 * try to avoid sharing literal non-FQ command
 				 * names among different namespaces to reduce
 				 * shimmering. */
 } LiteralEntry;