'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: SetVar.3,v 1.7.2.1 2003/07/18 16:56:24 dgp Exp $
-'\"
-'\" The definitions below are for supplemental macros used in Tcl/Tk
-'\" manual entries.
-'\"
-'\" .AP type name in/out ?indent?
-'\" Start paragraph describing an argument to a library procedure.
-'\" type is type of argument (int, etc.), in/out is either "in", "out",
-'\" or "in/out" to describe whether procedure reads or modifies arg,
-'\" and indent is equivalent to second arg of .IP (shouldn't ever be
-'\" needed; use .AS below instead)
-'\"
-'\" .AS ?type? ?name?
-'\" Give maximum sizes of arguments for setting tab stops. Type and
-'\" name are examples of largest possible arguments that will be passed
-'\" to .AP later. If args are omitted, default tab stops are used.
-'\"
-'\" .BS
-'\" Start box enclosure. From here until next .BE, everything will be
-'\" enclosed in one large box.
-'\"
-'\" .BE
-'\" End of box enclosure.
-'\"
-'\" .CS
-'\" Begin code excerpt.
-'\"
-'\" .CE
-'\" End code excerpt.
-'\"
-'\" .VS ?version? ?br?
-'\" Begin vertical sidebar, for use in marking newly-changed parts
-'\" of man pages. The first argument is ignored and used for recording
-'\" the version when the .VS was added, so that the sidebars can be
-'\" found and removed when they reach a certain age. If another argument
-'\" is present, then a line break is forced before starting the sidebar.
-'\"
-'\" .VE
-'\" End of vertical sidebar.
-'\"
-'\" .DS
-'\" Begin an indented unfilled display.
-'\"
-'\" .DE
-'\" End of indented unfilled display.
-'\"
-'\" .SO
-'\" Start of list of standard options for a Tk widget. The
-'\" options follow on successive lines, in four columns separated
-'\" by tabs.
-'\"
-'\" .SE
-'\" End of list of standard options for a Tk widget.
-'\"
-'\" .OP cmdName dbName dbClass
-'\" Start of description of a specific option. cmdName gives the
-'\" option's name as specified in the class command, dbName gives
-'\" the option's name in the option database, and dbClass gives
-'\" the option's class in the option database.
-'\"
-'\" .UL arg1 arg2
-'\" Print arg1 underlined, then print arg2 normally.
-'\"
-'\" RCS: @(#) $Id: man.macros,v 1.4 2000/08/25 06:18:32 ericm Exp $
-'\"
-'\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
+.TH Tcl_SetVar 3 8.1 Tcl "Tcl Library Procedures"
+.\" The -*- nroff -*- definitions below are for supplemental macros used
+.\" in Tcl/Tk manual entries.
+.\"
+.\" .AP type name in/out ?indent?
+.\" Start paragraph describing an argument to a library procedure.
+.\" type is type of argument (int, etc.), in/out is either "in", "out",
+.\" or "in/out" to describe whether procedure reads or modifies arg,
+.\" and indent is equivalent to second arg of .IP (shouldn't ever be
+.\" needed; use .AS below instead)
+.\"
+.\" .AS ?type? ?name?
+.\" Give maximum sizes of arguments for setting tab stops. Type and
+.\" name are examples of largest possible arguments that will be passed
+.\" to .AP later. If args are omitted, default tab stops are used.
+.\"
+.\" .BS
+.\" Start box enclosure. From here until next .BE, everything will be
+.\" enclosed in one large box.
+.\"
+.\" .BE
+.\" End of box enclosure.
+.\"
+.\" .CS
+.\" Begin code excerpt.
+.\"
+.\" .CE
+.\" End code excerpt.
+.\"
+.\" .VS ?version? ?br?
+.\" Begin vertical sidebar, for use in marking newly-changed parts
+.\" of man pages. The first argument is ignored and used for recording
+.\" the version when the .VS was added, so that the sidebars can be
+.\" found and removed when they reach a certain age. If another argument
+.\" is present, then a line break is forced before starting the sidebar.
+.\"
+.\" .VE
+.\" End of vertical sidebar.
+.\"
+.\" .DS
+.\" Begin an indented unfilled display.
+.\"
+.\" .DE
+.\" End of indented unfilled display.
+.\"
+.\" .SO ?manpage?
+.\" Start of list of standard options for a Tk widget. The manpage
+.\" argument defines where to look up the standard options; if
+.\" omitted, defaults to "options". The options follow on successive
+.\" lines, in three columns separated by tabs.
+.\"
+.\" .SE
+.\" End of list of standard options for a Tk widget.
+.\"
+.\" .OP cmdName dbName dbClass
+.\" Start of description of a specific option. cmdName gives the
+.\" option's name as specified in the class command, dbName gives
+.\" the option's name in the option database, and dbClass gives
+.\" the option's class in the option database.
+.\"
+.\" .UL arg1 arg2
+.\" Print arg1 underlined, then print arg2 normally.
+.\"
+.\" .QW arg1 ?arg2?
+.\" Print arg1 in quotes, then arg2 normally (for trailing punctuation).
+.\"
+.\" .PQ arg1 ?arg2?
+.\" Print an open parenthesis, arg1 in quotes, then arg2 normally
+.\" (for trailing punctuation) and then a closing parenthesis.
+.\"
+.\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
.if t .wh -1.3i ^B
.nr ^l \n(.l
.ad b
-'\" # Start an argument description
+.\" # Start an argument description
.de AP
.ie !"\\$4"" .TP \\$4
.el \{\
.\}
.ta \\n()Au \\n()Bu
.ie !"\\$3"" \{\
-\&\\$1 \\fI\\$2\\fP (\\$3)
+\&\\$1 \\fI\\$2\\fP (\\$3)
.\".b
.\}
.el \{\
.\}
.\}
..
-'\" # define tabbing values for .AP
+.\" # define tabbing values for .AP
.de AS
.nr )A 10n
.if !"\\$1"" .nr )A \\w'\\$1'u+3n
.nr )C \\n()Bu+\\w'(in/out)'u+2n
..
.AS Tcl_Interp Tcl_CreateInterp in/out
-'\" # BS - start boxed text
-'\" # ^y = starting y location
-'\" # ^b = 1
+.\" # BS - start boxed text
+.\" # ^y = starting y location
+.\" # ^b = 1
.de BS
.br
.mk ^y
.if n \l'\\n(.lu\(ul'
.if n .fi
..
-'\" # BE - end boxed text (draw box now)
+.\" # BE - end boxed text (draw box now)
.de BE
.nf
.ti 0
.br
.nr ^b 0
..
-'\" # VS - start vertical sidebar
-'\" # ^Y = starting y location
-'\" # ^v = 1 (for troff; for nroff this doesn't matter)
+.\" # VS - start vertical sidebar
+.\" # ^Y = starting y location
+.\" # ^v = 1 (for troff; for nroff this doesn't matter)
.de VS
.if !"\\$2"" .br
.mk ^Y
.ie n 'mc \s12\(br\s0
.el .nr ^v 1u
..
-'\" # VE - end of vertical sidebar
+.\" # VE - end of vertical sidebar
.de VE
.ie n 'mc
.el \{\
.\}
.nr ^v 0
..
-'\" # Special macro to handle page bottom: finish off current
-'\" # box/sidebar if in box/sidebar mode, then invoked standard
-'\" # page bottom macro.
+.\" # Special macro to handle page bottom: finish off current
+.\" # box/sidebar if in box/sidebar mode, then invoked standard
+.\" # page bottom macro.
.de ^B
.ev 2
'ti 0
.mk ^Y
.\}
..
-'\" # DS - begin display
+.\" # DS - begin display
.de DS
.RS
.nf
.sp
..
-'\" # DE - end display
+.\" # DE - end display
.de DE
.fi
.RE
.sp
..
-'\" # SO - start of list of standard options
+.\" # SO - start of list of standard options
.de SO
+'ie '\\$1'' .ds So \\fBoptions\\fR
+'el .ds So \\fB\\$1\\fR
.SH "STANDARD OPTIONS"
.LP
.nf
.ta 5.5c 11c
.ft B
..
-'\" # SE - end of list of standard options
+.\" # SE - end of list of standard options
.de SE
.fi
.ft R
.LP
-See the \\fBoptions\\fR manual entry for details on the standard options.
+See the \\*(So manual entry for details on the standard options.
..
-'\" # OP - start of full description for a single option
+.\" # OP - start of full description for a single option
.de OP
.LP
.nf
.fi
.IP
..
-'\" # CS - begin code excerpt
+.\" # CS - begin code excerpt
.de CS
.RS
.nf
.ta .25i .5i .75i 1i
..
-'\" # CE - end code excerpt
+.\" # CE - end code excerpt
.de CE
.fi
.RE
..
+.\" # UL - underline word
.de UL
\\$1\l'|0\(ul'\\$2
..
-.TH Tcl_SetVar 3 8.1 Tcl "Tcl Library Procedures"
+.\" # QW - apply quotation marks to word
+.de QW
+.ie '\\*(lq'"' ``\\$1''\\$2
+.\"" fix emacs highlighting
+.el \\*(lq\\$1\\*(rq\\$2
+..
+.\" # PQ - apply parens and quotation marks to word
+.de PQ
+.ie '\\*(lq'"' (``\\$1''\\$2)\\$3
+.\"" fix emacs highlighting
+.el (\\*(lq\\$1\\*(rq\\$2)\\$3
+..
+.\" # QR - quoted range
+.de QR
+.ie '\\*(lq'"' ``\\$1''\\-``\\$2''\\$3
+.\"" fix emacs highlighting
+.el \\*(lq\\$1\\*(rq\\-\\*(lq\\$2\\*(rq\\$3
+..
+.\" # MT - "empty" string
+.de MT
+.QW ""
+..
.BS
.SH NAME
Tcl_SetVar2Ex, Tcl_SetVar, Tcl_SetVar2, Tcl_ObjSetVar2, Tcl_GetVar2Ex, Tcl_GetVar, Tcl_GetVar2, Tcl_ObjGetVar2, Tcl_UnsetVar, Tcl_UnsetVar2 \- manipulate Tcl variables
.nf
\fB#include <tcl.h>\fR
.sp
-.VS 8.1
Tcl_Obj *
\fBTcl_SetVar2Ex\fR(\fIinterp, name1, name2, newValuePtr, flags\fR)
-.VE
.sp
-CONST char *
+const char *
\fBTcl_SetVar\fR(\fIinterp, varName, newValue, flags\fR)
.sp
-CONST char *
+const char *
\fBTcl_SetVar2\fR(\fIinterp, name1, name2, newValue, flags\fR)
.sp
Tcl_Obj *
\fBTcl_ObjSetVar2\fR(\fIinterp, part1Ptr, part2Ptr, newValuePtr, flags\fR)
.sp
-.VS 8.1
Tcl_Obj *
\fBTcl_GetVar2Ex\fR(\fIinterp, name1, name2, flags\fR)
-.VE
.sp
-CONST char *
+const char *
\fBTcl_GetVar\fR(\fIinterp, varName, flags\fR)
.sp
-CONST char *
+const char *
\fBTcl_GetVar2\fR(\fIinterp, name1, name2, flags\fR)
.sp
Tcl_Obj *
.AS Tcl_Interp *newValuePtr
.AP Tcl_Interp *interp in
Interpreter containing variable.
-.AP "CONST char" *name1 in
+.AP "const char" *name1 in
Contains the name of an array variable (if \fIname2\fR is non-NULL)
or (if \fIname2\fR is NULL) either the name of a scalar variable
or a complete name including both variable name and index.
May include \fB::\fR namespace qualifiers
to specify a variable in a particular namespace.
-.AP "CONST char" *name2 in
+.AP "const char" *name2 in
If non-NULL, gives name of element within array; in this
case \fIname1\fR must refer to an array variable.
.AP Tcl_Obj *newValuePtr in
-.VS 8.1
-Points to a Tcl object containing the new value for the variable.
-.VE
+Points to a Tcl value containing the new value for the variable.
.AP int flags in
OR-ed combination of bits providing additional information. See below
for valid values.
-.AP "CONST char" *varName in
+.AP "const char" *varName in
Name of variable.
May include \fB::\fR namespace qualifiers
to specify a variable in a particular namespace.
May refer to a scalar variable or an element of
an array.
-.AP "CONST char" *newValue in
+.AP "const char" *newValue in
New value for variable, specified as a null-terminated string.
A copy of this value is stored in the variable.
.AP Tcl_Obj *part1Ptr in
-Points to a Tcl object containing the variable's name.
+Points to a Tcl value containing the variable's name.
The name may include a series of \fB::\fR namespace qualifiers
to specify a variable in a particular namespace.
May refer to a scalar variable or an element of an array variable.
.AP Tcl_Obj *part2Ptr in
-If non-NULL, points to an object containing the name of an element
+If non-NULL, points to a value containing the name of an element
within an array and \fIpart1Ptr\fR must refer to an array variable.
.BE
These procedures are used to create, modify, read, and delete
Tcl variables from C code.
.PP
-.VS 8.1
\fBTcl_SetVar2Ex\fR, \fBTcl_SetVar\fR, \fBTcl_SetVar2\fR, and
\fBTcl_ObjSetVar2\fR
will create a new variable or modify an existing one.
take the new value as a string and return a string; they are
usually less efficient than \fBTcl_ObjSetVar2\fR. Note that the
return value may be different than the \fInewValuePtr\fR or
-.VE
\fInewValue\fR argument, due to modifications made by write traces.
If an error occurs in setting the variable (e.g. an array
variable is referenced without giving an index into the array)
NULL is returned and an error message is left in \fIinterp\fR's
result if the \fBTCL_LEAVE_ERR_MSG\fR \fIflag\fR bit is set.
.PP
-.VS 8.1
\fBTcl_GetVar2Ex\fR, \fBTcl_GetVar\fR, \fBTcl_GetVar2\fR, and
\fBTcl_ObjGetVar2\fR
return the current value of a variable.
\fBTcl_GetVar2\fR the value is returned as a string; this is
usually less efficient, so \fBTcl_GetVar2Ex\fR or \fBTcl_ObjGetVar2\fR
are preferred.
-.VE
If an error occurs while reading the variable (e.g. the variable
-doesn't exist or an array element is specified for a scalar
+does not exist or an array element is specified for a scalar
variable), then NULL is returned and an error message is left
in \fIinterp\fR's result if the \fBTCL_LEAVE_ERR_MSG\fR \fIflag\fR
bit is set.
an error.
The arguments to these procedures are treated in the same way
as the arguments to the procedures above.
-If the variable is successfully removed then TCL_OK is returned.
-If the variable cannot be removed because it doesn't exist then
-TCL_ERROR is returned and an error message is left
+If the variable is successfully removed then \fBTCL_OK\fR is returned.
+If the variable cannot be removed because it does not exist then
+\fBTCL_ERROR\fR is returned and an error message is left
in \fIinterp\fR's result if the \fBTCL_LEAVE_ERR_MSG\fR \fIflag\fR
bit is set.
If an array element is specified, the given element is removed
treated as an index (which can have any string value) and
the characters before the first open
parenthesis are treated as the name of an array variable.
-If \fIvarName\fR doesn't have parentheses as described above, then
+If \fIvarName\fR does not have parentheses as described above, then
the entire string is treated as the name of a scalar variable.
.IP [2]
If the \fIname1\fR and \fIname2\fR arguments are provided and
\fIname2\fR is non-NULL, then an array element is specified and
the array name and index have
already been separated by the caller: \fIname1\fR contains the
-name and \fIname2\fR contains the index.
-.VS 8.1
-An error is generated
+name and \fIname2\fR contains the index. An error is generated
if \fIname1\fR contains an open parenthesis and ends with a
close parenthesis (array element) and \fIname2\fR is non-NULL.
.IP [3]
If \fIname2\fR is NULL, \fIname1\fR is treated just like
\fIvarName\fR in case [1] above (it can be either a scalar or an array
element variable name).
-.VE
.PP
The \fIflags\fR argument may be used to specify any of several
options to the procedures.
an error message will be left in the interpreter's result,
where it can be retrieved with \fBTcl_GetObjResult\fR
or \fBTcl_GetStringResult\fR.
-If this flag bit isn't set then no error message is left
+If this flag bit is not set then no error message is left
and the interpreter's result will not be modified.
.TP
\fBTCL_APPEND_VALUE\fR
A separator space is appended before the new list element unless
the list element is going to be the first element in a list or
sublist (i.e. the variable's current value is empty, or contains
-the single character ``{'', or ends in `` }'').
+the single character
+.QW { ,
+or ends in
+.QW " }" ).
+When appending, the original value of the variable must also be
+a valid list, so that the operation is the appending of a new
+list element onto a list.
.PP
\fBTcl_GetVar\fR and \fBTcl_GetVar2\fR
return the current value of a variable.
to the variable's value (which is stored in Tcl's variable
structure and will not change before the next call to \fBTcl_SetVar\fR
or \fBTcl_SetVar2\fR).
-\fBTcl_GetVar\fR and \fBTcl_GetVar2\fR use the flag bits TCL_GLOBAL_ONLY
-and TCL_LEAVE_ERR_MSG, both of
+\fBTcl_GetVar\fR and \fBTcl_GetVar2\fR use the flag bits \fBTCL_GLOBAL_ONLY\fR
+and \fBTCL_LEAVE_ERR_MSG\fR, both of
which have
the same meaning as for \fBTcl_SetVar\fR.
If an error occurs in reading the variable (e.g. the variable
-doesn't exist or an array element is specified for a scalar
+does not exist or an array element is specified for a scalar
variable), then NULL is returned.
.PP
\fBTcl_UnsetVar\fR and \fBTcl_UnsetVar2\fR may be used to remove
for the variable will return an error.
The arguments to these procedures are treated in the same way
as the arguments to \fBTcl_GetVar\fR and \fBTcl_GetVar2\fR.
-If the variable is successfully removed then TCL_OK is returned.
-If the variable cannot be removed because it doesn't exist then
-TCL_ERROR is returned.
+If the variable is successfully removed then \fBTCL_OK\fR is returned.
+If the variable cannot be removed because it does not exist then
+\fBTCL_ERROR\fR is returned.
If an array element is specified, the given element is removed
but the array remains.
If an array name is specified without an index, then the entire
Tcl_GetObjResult, Tcl_GetStringResult, Tcl_TraceVar
.SH KEYWORDS
-array, get variable, interpreter, object, scalar, set, unset, variable
+array, get variable, interpreter, scalar, set, unset, value, variable
OSDN Git Service
