Merge branch 'master' of yap.dcc.fc.up.pt:yap-6
This commit is contained in:
Vitor Santos Costa
commit
ca879522b7
57
docs/yap.tex
57
docs/yap.tex
@ -1701,7 +1701,7 @@ if they have not been loaded before, does nothing otherwise.
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@var{F} must be a list containing the names of the files to load.
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@item make [ISO]
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@item make
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@findex make/0
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@snindex make/0
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@cnindex make/0
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@ -2719,7 +2719,7 @@ between 0 and 10.
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@cnindex call_with_args/n
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Meta-call where @var{Name} is the name of the procedure to be called and
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the @var{Ai} are the arguments. The number of arguments varies between 0
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and 10.
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and 10. New code should use @code{call/N} for better portability.
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If @var{Name} is a complex term, then @code{call_with_args/n} behaves as
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@code{call/n}:
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@ -3179,7 +3179,7 @@ Checks whether @var{T} is a database reference.
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@cnindex float/1
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Checks whether @var{T} is a floating point number.
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@item rational(@var{T}) [ISO]
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@item rational(@var{T})
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@findex rational/1
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@syindex rational/1
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@cyindex rational/1
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@ -3412,15 +3412,7 @@ will return:
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The predicate holds when at least one of the arguments is ground
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(otherwise, an error message will be displayed). The argument @var{A} must
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be unifiable with an atom, and the argument @var{L} with the list of the
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ASCII codes for the characters of the external representation of @var{A}.
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The ISO-Prolog standard dictates that @code{atom_chars/2} should unify
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the second argument with a list of one-char atoms, and not the character
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codes. For compatibility with previous versions of YAP, and
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with other Prolog implementations, YAP unifies the second
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argument with the character codes, as in @code{atom_codes/2}. Use the
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@code{set_prolog_flag(to_chars_mode,iso)} to obtain ISO standard
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compatibility.
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characters of @var{A}.
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@item atom_codes(?@var{A},?@var{L}) [ISO]
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@findex atom_codes/2
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@ -3498,7 +3490,7 @@ concatenated are the representation for @var{A12}.
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If @var{A1} and @var{A2} are unbound, the built-in will find all the atoms
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that concatenated give @var{A12}.
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@item number_chars(?@var{I},?@var{L})
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@item number_chars(?@var{I},?@var{L}) [ISO]
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@findex number_chars/2
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@saindex number_chars/2
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@cnindex number_chars/2
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@ -3506,15 +3498,7 @@ that concatenated give @var{A12}.
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The predicate holds when at least one of the arguments is ground
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(otherwise, an error message will be displayed). The argument @var{I} must
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be unifiable with a number, and the argument @var{L} with the list of the
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ASCII codes for the characters of the external representation of @var{I}.
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The ISO-Prolog standard dictates that @code{number_chars/2} should unify
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the second argument with a list of one-char atoms, and not the character
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codes. For compatibility with previous versions of YAP, and
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with other Prolog implementations, YAP unifies the second
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argument with the character codes, as in @code{number_codes/2}. Use the
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@code{set_prolog_flag(to_chars_mode,iso)} to obtain ISO standard
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compatibility.
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characters of the external representation of @var{I}.
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@item number_codes(?@var{A},?@var{L}) [ISO]
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@findex number_codes/2
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@ -4350,23 +4334,23 @@ these options:
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@table @code
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@item type(+@var{T})
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@item type(+@var{T}) [ISO]
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Specify whether the stream is a @code{text} stream (default), or a
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@code{binary} stream.
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@item reposition(+@var{Bool})
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@item reposition(+@var{Bool}) [ISO]
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Specify whether it is possible to reposition the stream (@code{true}), or
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not (@code{false}). By default, YAP enables repositioning for all
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files, except terminal files and sockets.
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@item eof_action(+@var{Action})
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@item eof_action(+@var{Action}) [ISO]
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Specify the action to take if attempting to input characters from a
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stream where we have previously found an @code{end_of_file}. The possible
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actions are @code{error}, that raises an error, @code{reset}, that tries to
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reset the stream and is used for @code{tty} type files, and @code{eof_code},
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which generates a new @code{end_of_file} (default for non-tty files).
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@item alias(+@var{Name})
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@item alias(+@var{Name}) [ISO]
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Specify an alias to the stream. The alias @t{Name} must be an atom. The
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alias can be used instead of the stream descriptor for every operation
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concerning the stream.
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@ -4551,14 +4535,14 @@ Send out all data in the output buffer of the current output stream.
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@cnindex flush_output/1
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Send all data in the output buffer for stream @var{S}.
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@item set_input(+@var{S})
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@item set_input(+@var{S}) [ISO]
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@findex set_input/1
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@syindex set_input/1
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@cnindex set_input/1
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Set stream @var{S} as the current input stream. Predicates like @code{read/1}
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and @code{get/1} will start using stream @var{S}.
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@item set_output(+@var{S})
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@item set_output(+@var{S}) [ISO]
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@findex set_output/1
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@syindex set_output/1
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@cnindex set_output/1
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@ -4921,16 +4905,16 @@ Displays term @var{T} on the current output stream, according to the
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following options:
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@table @code
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@item quoted(+@var{Bool})
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@item quoted(+@var{Bool}) [ISO]
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If @code{true}, quote atoms if this would be necessary for the atom to
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be recognized as an atom by YAP's parser. The default value is
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@code{false}.
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@item ignore_ops(+@var{Bool})
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@item ignore_ops(+@var{Bool}) [ISO]
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If @code{true}, ignore operator declarations when writing the term. The
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default value is @code{false}.
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@item numbervars(+@var{Bool})
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@item numbervars(+@var{Bool}) [ISO]
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If @code{true}, output terms of the form
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@code{'$VAR'(N)}, where @var{N} is an integer, as a sequence of capital
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letters. The default value is @code{false}.
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@ -5540,7 +5524,7 @@ input stream.
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@cnindex tab/2
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The same as @code{tab/1}, but using stream @var{S}.
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@item nl(+@var{S})
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@item nl(+@var{S}) [ISO]
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@findex nl/1
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@syindex nl/1
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@cnindex nl/1
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@ -5914,8 +5898,8 @@ predicates:
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@findex assert/1
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@saindex assert/1
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@caindex assert/1
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Adds clause @var{C} to the program. If the predicate is undefined,
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declare it as dynamic.
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Same as @code{assertz/1}. Adds clause @var{C} to the program. If the predicate is undefined,
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declare it as dynamic. New code should use @code{assertz/1} for better portability.
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Most Prolog systems only allow asserting clauses for dynamic
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predicates. This is also as specified in the ISO standard. YAP allows
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@ -6105,7 +6089,7 @@ name is the atom @var{A}.
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Defines the relation: @var{P} is a built-in predicate whose name
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is the atom @var{A}.
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@item predicate_property(@var{P},@var{Prop})
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@item predicate_property(@var{P},@var{Prop}) [ISO]
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@findex predicate_property/2
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@saindex predicate_property/2
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@cnindex predicate_property/2
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@ -8178,7 +8162,8 @@ this version of YAP either defines @code{__unix__} or @code{unix}.
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@item unknown [ISO]
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@findex unknown (yap_flag/2 option)
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@*
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Corresponds to calling the @code{unknown/2} built-in.
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Corresponds to calling the @code{unknown/2} built-in. Possible values
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are @code{error}, @code{fail}, and @code{warning}.
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@item update_semantics
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@findex update_semantics (yap_flag/2 option)
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