diff options
Diffstat (limited to 'doc/Eval.3')
| -rw-r--r-- | doc/Eval.3 | 23 |
1 files changed, 13 insertions, 10 deletions
@@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: Eval.3,v 1.8 2000/09/06 16:56:22 hobbs Exp $ +'\" RCS: @(#) $Id: Eval.3,v 1.9 2000/09/19 19:36:55 davidg Exp $ '\" .so man.macros .TH Tcl_Eval 3 8.1 Tcl "Tcl Library Procedures" @@ -67,9 +67,9 @@ The number of bytes in \fIscript\fR, not including any null terminating character. If \-1, then all characters up to the first null byte are used. .AP char *script in -Points to first byte of script to execute. This script must be in -writable memory: temporary modifications are made to it during -parsing. +Points to first byte of script to execute (NULL terminated and UTF-8). +This script must be in writable memory: temporary modifications are made +to it during parsing. .AP char *string in String forming part of a Tcl script. .AP va_list argList in @@ -117,15 +117,18 @@ a completion code and result just like \fBTcl_EvalObjEx\fR. .PP \fBTcl_Eval\fR is similar to \fBTcl_EvalObjEx\fR except that the script to be executed is supplied as a string instead of an object and no compilation -occurs. The string is parsed and executed directly (using -\fBTcl_EvalObjv\fR) instead of compiling it and executing the bytecodes. -In situations where it is known that the script will never be executed -again, \fBTcl_Eval\fR may be faster than \fBTcl_EvalObjEx\fR. -\fBTcl_Eval\fR returns a completion code and result just like +occurs. The string should be a proper UTF-8 string as converted by +\fBTcl_ExternalToUtfDString\fR or \fBTcl_ExternalToUtf\fR when it is known +to possibly contain upper ascii characters who's possible combinations +might be a UTF-8 special code. The string is parsed and executed directly +(using \fBTcl_EvalObjv\fR) instead of compiling it and executing the +bytecodes. In situations where it is known that the script will never be +executed again, \fBTcl_Eval\fR may be faster than \fBTcl_EvalObjEx\fR. + \fBTcl_Eval\fR returns a completion code and result just like \fBTcl_EvalObjEx\fR. Note: for backward compatibility with versions before Tcl 8.0, \fBTcl_Eval\fR copies the object result in \fIinterp\fR to \fIinterp->result\fR (use is deprecated) where it can be accessed directly. -This makes \fBTcl_Eval\fR somewhat slower than \fBTcl_EvalEx\fR, which + This makes \fBTcl_Eval\fR somewhat slower than \fBTcl_EvalEx\fR, which doesn't do the copy. .PP \fBTcl_EvalEx\fR is an extended version of \fBTcl_Eval\fR that takes |