diff options
Diffstat (limited to 'doc/SubstObj.3')
-rw-r--r-- | doc/SubstObj.3 | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/doc/SubstObj.3 b/doc/SubstObj.3 index 5f39c15..f582c5a 100644 --- a/doc/SubstObj.3 +++ b/doc/SubstObj.3 @@ -4,13 +4,11 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: SubstObj.3,v 1.3 2004/10/07 14:44:34 dkf Exp $ -'\" -.so man.macros .TH Tcl_SubstObj 3 8.4 Tcl "Tcl Library Procedures" +.so man.macros .BS .SH NAME -Tcl_SubstObj \- perform substitutions on Tcl objects +Tcl_SubstObj \- perform substitutions on Tcl values .SH SYNOPSIS .nf \fB#include <tcl.h>\fR @@ -24,7 +22,7 @@ Interpreter in which to execute Tcl scripts and lookup variables. If an error occurs, the interpreter's result is modified to hold an error message. .AP Tcl_Obj *objPtr in -A Tcl object containing the string to perform substitutions on. +A Tcl value containing the string to perform substitutions on. .AP int flags in ORed combination of flag bits that specify which substitutions to perform. The flags \fBTCL_SUBST_COMMANDS\fR, @@ -32,14 +30,13 @@ perform. The flags \fBTCL_SUBST_COMMANDS\fR, currently supported, and \fBTCL_SUBST_ALL\fR is provided as a convenience for the common case where all substitutions are desired. .BE - .SH DESCRIPTION .PP The \fBTcl_SubstObj\fR function is used to perform substitutions on strings in the fashion of the \fBsubst\fR command. It gets the value of the string contained in \fIobjPtr\fR and scans it, copying characters and performing the chosen substitutions as it goes to an -output object which is returned as the result of the function. In the +output value which is returned as the result of the function. In the event of an error occurring during the execution of a command or variable substitution, the function returns NULL and an error message is left in \fIinterp\fR's result. @@ -55,17 +52,17 @@ replaced by the contents of the named variable. .PP When the \fBTCL_SUBST_COMMANDS\fR bit is set in \fIflags\fR, sequences that look like command substitutions for Tcl commands are replaced by -the result of evaluating that script. Where an uncaught `continue -exception' occurs during the evaluation of a command substitution, an -empty string is substituted for the command. Where an uncaught `break -exception' occurs during the evaluation of a command substitution, the +the result of evaluating that script. Where an uncaught +.QW "continue exception" +occurs during the evaluation of a command substitution, an +empty string is substituted for the command. Where an uncaught +.QW "break exception" +occurs during the evaluation of a command substitution, the result of the whole substitution on \fIobjPtr\fR will be truncated at the point immediately before the start of the command substitution, and no characters will be added to the result or substitutions performed after that point. - .SH "SEE ALSO" subst(n) - .SH KEYWORDS backslash substitution, command substitution, variable substitution |