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[Octave-bug-tracker] [bug #41651] Nested uses of evalin( 'caller', ... )
From: |
Michael C. Grant |
Subject: |
[Octave-bug-tracker] [bug #41651] Nested uses of evalin( 'caller', ... ) |
Date: |
Fri, 21 Feb 2014 01:58:19 +0000 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36 |
URL:
<http://savannah.gnu.org/bugs/?41651>
Summary: Nested uses of evalin( 'caller', ... )
Project: GNU Octave
Submitted by: mcgrant
Submitted on: Fri 21 Feb 2014 01:58:18 AM GMT
Category: Interpreter
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Matlab Compatibility
Status: None
Assigned to: None
Originator Name: Michael C. Grant
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: Mac OS
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Details:
Consider the functions evalin_test1 and evalin_test2 attached.
First, look at evalin_test2:
function evalin_test2
x = 'In the workspace for evalin_test2';
disp( evalin( 'caller', 'x' ) );
This function works the same in MATLAB and Octave. Here's MATLAB's output:
>> x = 'In the global workspace';
>> evalin_test2;
In the global workspace
Now let's add a layer of nesting with evalin_test1:
function evalin_test1
x = 'In the workspace for evalin_test1';
evalin( 'caller', 'evalin_test2' );
Since evalin_test2 is evaluated in the global workspace, it should still
give the same result. That is what happens with MATLAB:
>> x = 'In the global workspace';
>> evalin_test2;
In the global workspace
But in Octave, the nesting fails:
>> x = 'In the global workspace';
>> evalin_test2
In the global workspace
>> evalin_test1
In the workspace for evalin_test1
I know this probably sounds obscure, but I actually rely on this behavior
somewhat critically in CVX... now I am somewhat relieved that you did not
include my parser patch in 3.8.1, because it looks like it would not have
been sufficient anyway!
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Fri 21 Feb 2014 01:58:18 AM GMT Name: evalin_test2.m Size: 95B By:
mcgrant
<http://savannah.gnu.org/bugs/download.php?file_id=30625>
-------------------------------------------------------
Date: Fri 21 Feb 2014 01:58:18 AM GMT Name: evalin_test1.m Size: 99B By:
mcgrant
<http://savannah.gnu.org/bugs/download.php?file_id=30626>
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?41651>
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