diff --git a/H/YapFlags.h b/H/YapFlags.h
index 74c1d1ca5..d9f9e11e6 100644
--- a/H/YapFlags.h
+++ b/H/YapFlags.h
@@ -88,9 +88,9 @@ static inline bool isfloat(Term inp) {
return false;
}
-INLINE_ONLY inline EXTERN bool ro(Term inp);
+static inline bool ro(Term inp);
-INLINE_ONLY inline EXTERN bool ro(Term inp) {
+static inline bool ro(Term inp) {
if (IsVarTerm(inp)) {
Yap_Error(INSTANTIATION_ERROR, inp, "set_prolog_flag: value must be %s",
"bound");
@@ -114,9 +114,9 @@ INLINE_ONLY inline EXTERN bool aro(Term inp) {
return false;
}
-// INLINE_ONLY inline EXTERN bool boolean( Term inp );
+// INLINE_ONLY inline EXTERN bool booleanFlag( Term inp );
-static inline bool boolean(Term inp) {
+static inline bool booleanFlag(Term inp) {
if (inp == TermTrue || inp == TermFalse || inp == TermOn || inp == TermOff)
return true;
if (IsVarTerm(inp)) {
@@ -151,6 +151,17 @@ static bool synerr(Term inp) {
static inline bool filler(Term inp) { return true; }
+static inline bool list_filler(Term inp) {
+ if (IsVarTerm(inp) ||
+ IsPairTerm(inp) ||
+ inp == TermNil)
+ return true;
+
+ Yap_Error(TYPE_ERROR_LIST, inp,
+ "set_prolog_flag in {codes,string}");
+
+ return false; }
+
static bool bqs(Term inp) {
if (inp == TermCodes || inp == TermString || inp == TermSymbolChar)
return true;
diff --git a/H/YapGFlagInfo.h b/H/YapGFlagInfo.h
index 9e50f99de..22f7123fc 100644
--- a/H/YapGFlagInfo.h
+++ b/H/YapGFlagInfo.h
@@ -42,12 +42,12 @@ opportunity. Initial value is 10,000. May be changed. A value of 0
(zero) disables atom garbage collection.
*/
YAP_FLAG(ALLOW_ASSERT_FOR_STATIC_PREDICATES,
- "allow_assert_for_static_predicates", true, boolean, "true",
+ "allow_assert_for_static_predicates", true, booleanFlag, "true",
NULL), /**< `allow asserting and retracting clauses of static
predicates. */
/* YAP_FLAG( ALLOW_VARIABLE_NAME_AS_FUNCTOR_FLAG,
- "allow_variable_name_as_functor", true, boolean, "false" , NULL ), /\**<
+ "allow_variable_name_as_functor", true, booleanFlag, "false" , NULL ), /\**<
`allow_variable_name_as_functor` */
/* allow
@@ -76,15 +76,15 @@ It is `true` by default, but it is disabled by packages like CLP(BN) and
ProbLog.
*/
#if __APPLE__
- YAP_FLAG(APPLE_FLAG, "apple", false, boolean, "true", NULL), /**< `apple`
+ YAP_FLAG(APPLE_FLAG, "apple", false, booleanFlag, "true", NULL), /**< `apple`
- Read-only boolean flag that unifies with `true` if YAP is
+ Read-only booleanFlag flag that unifies with `true` if YAP is
running on an Apple machine.
*/
#endif
YAP_FLAG(ARCH_FLAG, "arch", false, isatom, YAP_ARCH, NULL),
YAP_FLAG(ARGV_FLAG, "argv", false, argv, "?-", NULL),
- YAP_FLAG(ARITHMETIC_EXCEPTIONS_FLAG, "arithmetic_exceptions", true, boolean,
+ YAP_FLAG(ARITHMETIC_EXCEPTIONS_FLAG, "arithmetic_exceptions", true, booleanFlag,
"true", NULL),
YAP_FLAG(BACKQUOTED_STRING_FLAG, "backquoted_string", true, isatom,
"string", ), /**>
@@ -94,7 +94,7 @@ token is converted to a list of atoms, `chars`, to a list of integers,
the corresponding behavior. The default value is `string`
*/
- YAP_FLAG(BOUNDED_FLAG, "bounded", false, boolean, "false",
+ YAP_FLAG(BOUNDED_FLAG, "bounded", false, booleanFlag, "false",
NULL), /**< `bounded` is iso
Read-only flag telling whether integers are bounded. The value depends
@@ -105,36 +105,36 @@ on whether YAP uses the GMP library or not.
YAP_FLAG(C_LDFLAGS_FLAG, "c_ldflags", false, isatom, C_LDFLAGS, NULL),
YAP_FLAG(C_LIBPLSO_FLAG, "c_libplso", false, isatom, C_LIBPLSO, NULL),
YAP_FLAG(C_LIBS_FLAG, "c_libs", false, isatom, C_LIBS, NULL),
- YAP_FLAG(CHAR_CONVERSION_FLAG, "char_conversion", true, boolean, "false",
+ YAP_FLAG(CHAR_CONVERSION_FLAG, "char_conversion", true, booleanFlag, "false",
NULL), /**< `char_conversion is iso`
Writable flag telling whether a character conversion table is used when
reading terms. The default value for this flag is `off` except in
`sicstus` and `iso` language modes, where it is `on`.
*/
- YAP_FLAG(CHARACTER_ESCAPES_FLAG, "character_escapes", true, boolean, "true",
+ YAP_FLAG(CHARACTER_ESCAPES_FLAG, "character_escapes", true, booleanFlag, "true",
NULL), /**< `character_escapes is iso `
Writable flag telling whether a character escapes are enables,
`true`, or disabled, `false`. The default value for this flag is
`true`. */
YAP_FLAG(COLON_SETS_CALLING_CONTEXT_FLAG, "colon_sets_calling_context",
- true, boolean, "true", NULL),
+ true, booleanFlag, "true", NULL),
YAP_FLAG(COMPILED_AT_FLAG, "compiled_at", false, isatom, YAP_COMPILED_AT,
NULL), /**< `compiled_at `
Read-only flag that gives the time when the main YAP binary was compiled. It is
obtained staight from the __TIME__ macro, as defined in the C99.
*/
- YAP_FLAG(DEBUG_FLAG, "debug", true, boolean, "false",
+ YAP_FLAG(DEBUG_FLAG, "debug", true, booleanFlag, "false",
NULL), /**< `debug is iso `
If _Value_ is unbound, tell whether debugging is `true` or
`false`. If _Value_ is bound to `true` enable debugging, and if
it is bound to `false` disable debugging.
*/
- YAP_FLAG(DEBUG_INFO_FLAG, "debug_info", true, boolean, "true", NULL),
- YAP_FLAG(DEBUG_ON_ERROR_FLAG, "debug_on_error", true, boolean, "true",
+ YAP_FLAG(DEBUG_INFO_FLAG, "debug_info", true, booleanFlag, "true", NULL),
+ YAP_FLAG(DEBUG_ON_ERROR_FLAG, "debug_on_error", true, booleanFlag, "true",
NULL),
YAP_FLAG(DEBUGGER_PRINT_OPTIONS_FLAG, "debugger_print_options", true,
list_option,
@@ -144,7 +144,7 @@ it is bound to `false` disable debugging.
If bound, set the argument to the `write_term/3` options the
debugger uses to write terms. If unbound, show the current options.
*/
- YAP_FLAG(DEBUGGER_SHOW_CONTEXT_FLAG, "debugger_show_context", true, boolean,
+ YAP_FLAG(DEBUGGER_SHOW_CONTEXT_FLAG, "debugger_show_context", true, booleanFlag,
"false", NULL),
YAP_FLAG(DIALECT_FLAG, "dialect", false, ro, "yap",
NULL), /**< `dialect `
@@ -152,13 +152,13 @@ debugger uses to write terms. If unbound, show the current options.
Read-only flag that always returns `yap`.
*/
YAP_FLAG(DISCONTIGUOUS_WARNINGS_FLAG, "discontiguous_warnings", true,
- boolean, "true", NULL), /**< `discontiguous_warnings `
+ booleanFlag, "true", NULL), /**< `discontiguous_warnings `
If `true` (default `true`) YAP checks for definitions of the same predicate that
are separated by clauses for other predicates. This may indicate that different
procedures have the sam*e name.
*/
- YAP_FLAG(DOLLAR_AS_LOWER_CASE_FLAG, "dollar_as_lower_case", true, boolean,
+ YAP_FLAG(DOLLAR_AS_LOWER_CASE_FLAG, "dollar_as_lower_case", true, booleanFlag,
"false", NULL), /**< `dollar_as_lower_case `
If `off` (default) consider the character `$` a control character, if
@@ -178,12 +178,12 @@ the corresponding behavior. The default value is `codes`. */
Read-only flag. It unifies with an atom that gives the
original program path.
*/
- YAP_FLAG(FAST_FLAG, "fast", true, boolean, "false", NULL), /**< `fast `
+ YAP_FLAG(FAST_FLAG, "fast", true, booleanFlag, "false", NULL), /**< `fast `
If `on` allow fast machine code, if `off` (default) disable it. Only
available in experimental implemexbntations.
*/
- YAP_FLAG(FILE_NAME_VARIABLES_FLAG, "file_name_variables", true, boolean,
+ YAP_FLAG(FILE_NAME_VARIABLES_FLAG, "file_name_variables", true, booleanFlag,
"true", NULL),
YAP_FLAG(FLOAT_FORMAT_FLAG, "float_format", true, isatom, "%15e",
NULL), /**< + `float_format `
@@ -195,7 +195,7 @@ available in experimental implemexbntations.
printed, `%g` will print all floats using 6 digits instead of the
default 15.
*/
- YAP_FLAG(GC_FLAG, "gc", true, boolean, "on", NULL), /**< `gc`
+ YAP_FLAG(GC_FLAG, "gc", true, booleanFlag, "on", NULL), /**< `gc`
If `on` allow garbage collection (default), if `off` disable it.
*/
@@ -216,7 +216,7 @@ collection and stack shifts. Last, if `very_verbose` give detailed
information on data-structures found during the garbage collection
process, namely, on choice-points.
*/
- YAP_FLAG(GENERATE_DEBUGGING_INFO_FLAG, "generate_debug_info", true, boolean,
+ YAP_FLAG(GENERATE_DEBUGGING_INFO_FLAG, "generate_debug_info", true, booleanFlag,
"true", NULL), /**< `generate_debug_info `
If `true` (default) generate debugging information for
@@ -226,7 +226,7 @@ source mode is disabled.
*/
YAP_FLAG(GMP_VERSION_FLAG, "gmp_version", false, isatom, "4.8.12", NULL),
- YAP_FLAG(HALT_AFTER_CONSULT_FLAG, "halt_after_consult", false, boolean,
+ YAP_FLAG(HALT_AFTER_CONSULT_FLAG, "halt_after_consult", false, booleanFlag,
"false", NULL),
YAP_FLAG(HOME_FLAG, "home", false, isatom, YAP_ROOTDIR, NULL), /**< home `
@@ -264,7 +264,7 @@ the `-L` flag.
Read-only flag telling the rounding function used for integers. Takes the value
`toward_zero` for the current version of YAP.
*/
- YAP_FLAG(ISO_FLAG, "iso", true, boolean, "false", NULL),
+ YAP_FLAG(ISO_FLAG, "iso", true, booleanFlag, "false", NULL),
YAP_FLAG(LANGUAGE_FLAG, "language", true, isatom, "yap",
NULL), /**< `language `
@@ -289,26 +289,26 @@ Read-only flag telling the maximum arity of a functor. Takes the value
"INT_MIN", NULL),
YAP_FLAG(N_OF_INTEGER_KEYS_IN_DB_FLAG, "n_of_integer_keys_in_db", false, ro,
"256", NULL),
- YAP_FLAG(OCCURS_CHECK_FLAG, "occurs_check", true, boolean, "false", NULL),
- YAP_FLAG(OPEN_EXPANDS_FILENAME_FLAG, "open_expands_filename", true, boolean,
+ YAP_FLAG(OCCURS_CHECK_FLAG, "occurs_check", true, booleanFlag, "false", NULL),
+ YAP_FLAG(OPEN_EXPANDS_FILENAME_FLAG, "open_expands_filename", true, booleanFlag,
"true", NULL), /**< `open_expands_filename `
If `true` the open/3 builtin performs filename-expansion
before opening a file (SICStus Prolog like). If `false` it does not
(SWI-Prolog like).
*/
- YAP_FLAG(OPEN_SHARED_OBJECT_FLAG, "open_shared_object", true, boolean,
+ YAP_FLAG(OPEN_SHARED_OBJECT_FLAG, "open_shared_object", true, booleanFlag,
"true", NULL), /**< `open_shared_object `
If true, `open_shared_object/2` and friends are implemented,
providing access to shared libraries (`.so` files) or to dynamic link
libraries (`.DLL` files).
*/
- YAP_FLAG(OPTIMISE_FLAG, "optimise", true, boolean, "false", NULL),
+ YAP_FLAG(OPTIMISE_FLAG, "optimise", true, booleanFlag, "false", NULL),
YAP_FLAG(OS_ARGV_FLAG, "os_argv", false, os_argv, "?-", NULL),
YAP_FLAG(PID_FLAG, "pid", false, ro, "0", NULL),
- YAP_FLAG(PIPE_FLAG, "pipe", true, boolean, "true", NULL),
- YAP_FLAG(PROFILING_FLAG, "profiling", true, boolean, "false",
+ YAP_FLAG(PIPE_FLAG, "pipe", true, booleanFlag, "true", NULL),
+ YAP_FLAG(PROFILING_FLAG, "profiling", true, booleanFlag, "false",
NULL), /**< `profiling `
If `off` (default) do not compile call counting information for
@@ -325,10 +325,12 @@ toplevel. Default is groundness, YAP prompts for alternatives if and
only if the query contains variables. The alternative, default in SWI-Prolog is
determinism which implies the system prompts for alternatives if the
goal succeeded while leaving choicepoints. */
- YAP_FLAG(QUASI_QUOTATIONS_FLAG, "quasi_quotations", true, boolean, "true",
+ YAP_FLAG(QUASI_QUOTATIONS_FLAG, "quasi_quotations", true, booleanFlag, "true",
NULL),
- YAP_FLAG(READLINE_FLAG, "readline", true, boolean, "true", NULL),
- YAP_FLAG(REPORT_ERROR_FLAG, "report_error", true, boolean, "true", NULL),
+ YAP_FLAG(READLINE_FLAG, "readline", true, booleanFlag, "false", Yap_InitReadline), /**< `readline(boolean, changeable)`
+
+enable the use of the readline library for console interactions, true by default if readline was found. */
+ YAP_FLAG(REPORT_ERROR_FLAG, "report_error", true, booleanFlag, "true", NULL),
YAP_FLAG(SHARED_OBJECT_EXTENSION_FLAG, "shared_object_extension", false,
isatom, SO_EXT, NULL), /**< `shared_object_extension `
@@ -341,20 +343,20 @@ Name of the environment variable used by the system to search for shared
objects.
*/
- YAP_FLAG(SIGNALS_FLAG, "signals", true, boolean, "true",
+ YAP_FLAG(SIGNALS_FLAG, "signals", true, booleanFlag, "true",
NULL), /**< `signals`
If `true` (default) YAP handles Signals such as `^C`
(`SIGINT`).
*/
- YAP_FLAG(SOURCE_FLAG, "source", true, boolean, "true", NULL), /**< `source`
+ YAP_FLAG(SOURCE_FLAG, "source", true, booleanFlag, "true", NULL), /**< `source`
If `true` maintain the source for all clauses. Notice that this is trivially
supported for facts, and always supported for dynamic code.
*/
- YAP_FLAG(STRICT_ISO_FLAG, "strict_iso", true, boolean, "false",
+ YAP_FLAG(STRICT_ISO_FLAG, "strict_iso", true, booleanFlag, "false",
NULL), /**< `strict_iso `
If _Value_ is unbound, tell whether strict ISO compatibility mode
@@ -398,7 +400,7 @@ Sets or reads the tabling mode for all tabled predicates. Please
*/
YAP_FLAG(THREADS_FLAG, "threads", false, ro, "MAX_THREADS", NULL),
YAP_FLAG(TIMEZONE_FLAG, "timezone", false, ro, "18000", NULL),
- YAP_FLAG(TOPLEVEL_PRINT_ANON_FLAG, "toplevel_print_anon", true, boolean,
+ YAP_FLAG(TOPLEVEL_PRINT_ANON_FLAG, "toplevel_print_anon", true, booleanFlag,
"true", NULL),
YAP_FLAG(TOPLEVEL_PRINT_OPTIONS_FLAG, "toplevel_print_options", true,
list_option, "[quoted(true),numbervars(true),portrayed(true)]",
@@ -412,10 +414,10 @@ backtracked into.
*/
YAP_FLAG(TOPLEVEL_PROMPT_FLAG, "toplevel_prompt", true, isatom, "?- ",
mkprompt),
- YAP_FLAG(TTY_CONTROL_FLAG, "tty_control", true, boolean, "true", NULL),
+ YAP_FLAG(TTY_CONTROL_FLAG, "tty_control", true, booleanFlag, "true", NULL),
YAP_FLAG(UNIX_FLAG, "unix", false, ro, "true", NULL), /**< `unix`
- Read-only Boolean flag that unifies with `true` if YAP is
+ Read-only BooleanFlag flag that unifies with `true` if YAP is
running on an Unix system. Defined if the C-compiler used to compile
this version of YAP either defines `__unix__` or `unix`.
*/
@@ -448,7 +450,7 @@ are `error`, `fail`, and `warning`. Yap includes the following extensions:
`fast_fail` does not invoke any handler.
*/
YAP_FLAG(VARIABLE_NAMES_MAY_END_WITH_QUOTES_FLAG,
- "variable_names_may_end_with_quotes", true, boolean, "false",
+ "variable_names_may_end_with_quotes", true, booleanFlag, "false",
NULL),
YAP_FLAG(VERBOSE_FLAG, "verbose", true, isatom, "normal",
NULL), /**< `verbose `
@@ -459,9 +461,9 @@ disable printing these messages. It is `normal` by default except if
YAP is booted with the `-q` or `-L` flag.
*/
- YAP_FLAG(VERBOSE_AUTOLOAD_FLAG, "verbose_autoload", true, boolean, "false",
+ YAP_FLAG(VERBOSE_AUTOLOAD_FLAG, "verbose_autoload", true, booleanFlag, "false",
NULL),
- YAP_FLAG(VERBOSE_FILE_SEARCH_FLAG, "verbose_file_search", true, boolean,
+ YAP_FLAG(VERBOSE_FILE_SEARCH_FLAG, "verbose_file_search", true, booleanFlag,
"false", NULL), /**< `verbose_file_search `
If `true` allow printing of informational messages when
@@ -505,11 +507,11 @@ xan be used to identify versions that differ on small (or large) updates.
#if __WINDOWS__
YAP_FLAG(WINDOWS_FLAG, "windows", false, ro, "true", NULL), /**< `windows `
- Read-only boolean flag that unifies with `true` if YAP is
+ Read-only booleanFlag flag that unifies with `true` if YAP is
running on an Windows machine.
*/
#endif
- YAP_FLAG(WRITE_STRINGS_FLAG, "write_strings", true, boolean, "false",
+ YAP_FLAG(WRITE_STRINGS_FLAG, "write_strings", true, booleanFlag, "false",
NULL), /**< `write_strings `
Writable flag telling whether the system should write lists of
diff --git a/H/YapLFlagInfo.h b/H/YapLFlagInfo.h
index 6efa0cec4..4b057f434 100644
--- a/H/YapLFlagInfo.h
+++ b/H/YapLFlagInfo.h
@@ -20,10 +20,10 @@
@ingroup Flags
*/
-YAP_FLAG( AUTOLOAD_FLAG, "autoload", true, boolean, "false" , NULL ),
+YAP_FLAG( AUTOLOAD_FLAG, "autoload", true, booleanFlag, "false" , NULL ),
YAP_FLAG( BREAK_LEVEL_FLAG, "break_level", true, nat, "0" , NULL ),
YAP_FLAG( ENCODING_FLAG, "encoding", true, isatom, "utf-8" , getenc ),
-YAP_FLAG( FILEERRORS_FLAG, "fileerrors", true, boolean, "true" , NULL ), /**< `fileerrors`
+YAP_FLAG( FILEERRORS_FLAG, "fileerrors", true, booleanFlag, "true" , NULL ), /**< `fileerrors`
If `on` `fileerrors` is `on`, if `off` (default)
`fileerrors` is disabled.
@@ -32,7 +32,7 @@ YAP_FLAG( LANGUAGE_MODE_FLAG, "language_mode", true, isatom, "yap" , NULL ), /*
wweter native mode or trying to emulate a different Prolog.
*/
-YAP_FLAG( REDEFINE_WARNINGS_FLAG, "redefine_warnings", true, boolean, "true" , NULL ), /**< `redefine_warnings `
+YAP_FLAG( REDEFINE_WARNINGS_FLAG, "redefine_warnings", true, booleanFlag, "true" , NULL ), /**< `redefine_warnings `
If _Value_ is unbound, tell whether warnings for procedures defined
in several different files are `on` or
@@ -40,11 +40,11 @@ in several different files are `on` or
and if it is bound to `off` disable them. The default for YAP is
`off`, unless we are in `sicstus` or `iso` mode.
*/
-YAP_FLAG( SINGLE_VAR_WARNINGS_FLAG, "single_var_warnings", true, boolean, "true" , NULL ), /**< `single_var_warnings`
+YAP_FLAG( SINGLE_VAR_WARNINGS_FLAG, "single_var_warnings", true, booleanFlag, "true" , NULL ), /**< `single_var_warnings`
If `true` (default `true`) YAP checks for singleton variables when loading files. A singleton variable is a variable that appears ony once in a clause. The name must start with a capital letter, variables whose name starts with underscore are never considered singleton.
*/
-YAP_FLAG( STACK_DUMP_ON_ERROR_FLAG, "stack_dump_on_error", true, boolean, "false" , NULL ), /**< `stack_dump_on_error `
+YAP_FLAG( STACK_DUMP_ON_ERROR_FLAG, "stack_dump_on_error", true, booleanFlag, "false" , NULL ), /**< `stack_dump_on_error `
If `true` show a stack dump when YAP finds an error. The default is
`off`.