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Tcl Error Code


In that circumstance, the -level entry in the return options dictionary is decremented. If not, the error is placed in varName. View my complete profile | error code air conditioning © 2014. Duquette. have a peek here

error can't do that. –kostix May 31 '12 at 12:11 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up However, the -code option may be used to generate an exceptional return from the procedure. In general usage, all option value pairs given as arguments to return become entries in the return options dictionary, and any values at all are acceptable except as noted below. Typically the list value is supplied from the value of -errorstack in a return options dictionary captured by the catch command (or from the copy of that information from info errorstack). http://wiki.tcl.tk/1644

Tcl Error Command

Complimenting the author of a textbook Insert two pdf pages at the bottom Is the 'impossible' EMdrive going to space? Description editreturn creates an options dictionary which made available via catch and try. In either case, a message will be placed in errorInfo, and the proc will generate an error. Who stole the jewels?

If a result argument is provided, its value becomes the result of the procedure passed back to the caller. EXAMPLES First, a simple example of using return to return from a procedure, interrupting the procedure body. The return -code error command makes the procedure it is placed in produce an error (as if the procedure was error); it's great for the case where there's a problem with Tcl Errorinfo proc myBreak {} { return -code break } With the -level 0 option, return itself can serve as a replacement for break, with the help of interp alias.

Similarly, it is possible to catch the error generated by Tcl. Tcl Error Handling DESCRIPTION Most modern languages, from C++ to Java to Python, have some kind of exception-handling control structure, usually called something like "try". If the procedure invocation occurred during the evaluation of the body of another procedure, the process will repeat itself up the call stack, decrementing the value of the -level entry at https://www.tcl.tk/man/tcl8.5/tutorial/Tcl36.html Reply Jefferson says: December 1, 2016 at 3:00 pm Meu ar condicionado portátil tcl de 1200 btus fica piscando CL no display já fiz a limpeza e não some.

In Tcl, the equivalent mechanism is the built-in "catch" command, which has two faults: it has an inconvenient syntax, and it functions at very low level. Tcl Warning DESCRIPTION Return immediately from the current procedure (or top-level command or source command), with string as the return value. This can be done by specifying an error return with an option to the return command, or by using the error command. Suppose, for example, it's desired to divide two numbers; we might wish to handle badly formed input separately from divide-by-zero errors: proc div {a b} { try { return [expr {$a/$b}]

Tcl Error Handling

If result is not specified then an empty string will be returned to the caller as the result of the procedure. http://acerrorcode.com/tcl-air-conditioner-error-codes.html Otherwise it is 1. Tcl Error Command error (or 1) Error return: the return code of the procedure is 1 (TCL_ERROR). Tcl Return Error If no -errorcode option is provided to return when the -code error option is provided, Tcl will set the value of the -errorcode entry in the return options dictionary to the

The procedure command behaves in its calling context as if it were the command return (with no arguments). navigate here The error code is a Tcl list; each error pattern should be a Tcl list of glob-patterns (see the "string match" command for more on glob-patterns). Is there a directory equivalent of /dev/null in Linux? Procedure invocation also involves evaluation of a script, the body of the procedure. Tcl Catch Example

Reply Monazir khan says: September 1, 2016 at 5:16 am What to do error code E9 Reply Vignesh says: July 6, 2016 at 9:49 am EC falte Reply mohammad sadeghi says: Procedure invocation provides special treatment when evaluation of the procedure body returns the return code TCL_RETURN. When in doubt, just use error.Show discussionDKF: I find that it is best to use error (or throw) when it is an internal problem of the code, and return -code error Check This Out try {tryscript} catch ?options? {catchscript} Sometimes it's not enough to just ignore an error; you need to take special action.

return puts "line 2" ;# This line will not be printed. } Next, an example of using return to set the value returned by the procedure. Tcl Throw Error return The current procedure will return with a completion code of TCL_RETURN, so that the procedure that invoked it will return also. Reply francisco says: July 10, 2016 at 7:43 am porque se enciende el error E0 Reply Jeamaliria says: November 28, 2016 at 5:38 pm Help me code E0 what is the

Some of Tcl's built-in commands evaluate scripts as part of their functioning.

EXCEPTIONAL RETURN CODES In addition to the result of a procedure, the return code of a procedure may also be set by return through use of the -code option. Since d generates an error, c will not complete execution cleanly, and will have to pass the error up to b , and in turn on to a. What is the problem ? Tcl Proc Return Value Blog Archive ► 2016 (2) ► December (2) ► 2014 (6) ► August (2) ► May (1) ► April (3) ► 2012 (9) ► July (1) ► June (3) ► January

Filter items from an array based on input with wildcard Who is spreading the rumour that Santa isn't real? What do i do? What is Tk? http://colinmeldrum.com/tcl-error/tcl-error-out.html Not the answer you're looking for?

The possible arguments are: -code code The next value specifies the return status. Reply Tony says: August 26, 2016 at 3:07 am Plug in there the first noise bip like a music 2 sound then e1 appear on led nothing work after.anyone any idea. There are a number of standard error codes used by Tcl itself; see the description of the "errorCode" variable in the Tcl documentation for more information. (Look under "tclvars".) Although it Aprizal Sardi on January 6, 2016 at 11:15 PM said...

Reply Hendrick says: November 8, 2016 at 7:51 am Hi please help me with a Cassette unit model number is TCA-48CHR1 the alarm light is flushing non stop. The failure list is the follow:Wink time = 1Failure = IPM protectionWink time = 2Failure = higher or lower voltageWink time = 3Failure = Over currentWink time = 4Failure = Discharge The return command serves a similar function within script files that are evaluated by the source command. pattern {...} pattern {...} ...

It is also the mechanism by which commands like break, continue, and return cause script evaluation to terminate without evaluating all commands in sequence. In the usual case where the -code option is not specified the procedure will return normally. The error code to match is the value of the -code option, if any, or the value of the global variable errorCode. If the finallyscript contains "break", "continue", or "return" commands, an error will be raised.