convert Callbacks.h to bool

git-svn-id: https://svn.r-project.org/R/trunk@87936 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: ripley

doc/NEWS.Rd

@@ -418,6 +418,10 @@
       \item Header \file{R_exts/Error.h} now ensures that
       \code{Rf_error} and similar are given a \code{noreturn}
       attribute when used from C++ under all compilers.
+
+      \item The functions in header \file{R_ext/Callbacks.h} (which is
+      \strong{not} part of the API) have been converted to use the
+      \code{bool} type.
     }
   }
 

src/include/R_ext/Callbacks.h

@@ -1,6 +1,6 @@
 /*
  *  R : A Computer Language for Statistical Data Analysis
- *  Copyright (C) 2001-2020 The R Core Team.
+ *  Copyright (C) 2001-2025 The R Core Team.
  *
  *  This header file is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU Lesser General Public License as published by
@@ -43,7 +43,7 @@
   visible - a logical value indicating whether the result was printed to the R ``console''/stdout.
   data - user-level data passed to the registration routine.
  */
-typedef Rboolean (*R_ToplevelCallback)(SEXP expr, SEXP value, Rboolean succeeded, Rboolean visible, void *);
+typedef bool (*R_ToplevelCallback)(SEXP expr, SEXP value, bool succeeded, bool visible, void *);
 
 typedef struct _ToplevelCallback  R_ToplevelCallbackEl;
 /** 
@@ -63,8 +63,8 @@ struct _ToplevelCallback {
 extern "C" {
 #endif
 
-Rboolean Rf_removeTaskCallbackByIndex(int id);
-Rboolean Rf_removeTaskCallbackByName(const char *name);
+bool Rf_removeTaskCallbackByIndex(int id);
+bool Rf_removeTaskCallbackByName(const char *name);
 SEXP R_removeTaskCallback(SEXP which);
 R_ToplevelCallbackEl* Rf_addTaskCallback(R_ToplevelCallback cb, void *data, void (*finalizer)(void *), const char *name, int *pos);
 
@@ -83,20 +83,20 @@ typedef struct  _R_ObjectTable R_ObjectTable;
 
 /* Do we actually need the exists() since it is never called but R
    uses get to see if the symbol is bound to anything? */
-typedef Rboolean (*Rdb_exists)(const char * const name, Rboolean *canCache, R_ObjectTable *);
-typedef SEXP     (*Rdb_get)(const char * const name, Rboolean *canCache, R_ObjectTable *);
+typedef bool (*Rdb_exists)(const char * const name, bool *canCache, R_ObjectTable *);
+typedef SEXP     (*Rdb_get)(const char * const name, bool *canCache, R_ObjectTable *);
 typedef int      (*Rdb_remove)(const char * const name, R_ObjectTable *);
 typedef SEXP     (*Rdb_assign)(const char * const name, SEXP value, R_ObjectTable *);
 typedef SEXP     (*Rdb_objects)(R_ObjectTable *);
-typedef Rboolean (*Rdb_canCache)(const char * const name, R_ObjectTable *);
+typedef bool (*Rdb_canCache)(const char * const name, R_ObjectTable *);
 
 typedef void     (*Rdb_onDetach)(R_ObjectTable *);
 typedef void     (*Rdb_onAttach)(R_ObjectTable *);
 
 struct  _R_ObjectTable{
   int       type;
   char    **cachedNames;
-  Rboolean  active;
+  bool  active;
 
   Rdb_exists   exists;
   Rdb_get      get;