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As with any common programming language, VBA macros can be created with malicious intent. Using VBA, most of the security features lie in the hands of the user, not the author. The VBA host application options are accessible to the user. The user who runs any document containing VBA macros can preset the software with user preferences.
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).
It is unusual for a macro processor in that it uses an explicit argument stack, and user functions are defined by concatenation (similar to the Forth language). [11] aa_macro 2017 aa_macro is an open-source character-stream-based text processing language written in Python. Text is processed in a left-to-right, inside-to-outside manner.
A parameterized macro is a macro that is able to insert given objects into its expansion. This gives the macro some of the power of a function. As a simple example, in the C programming language, this is a typical macro that is not a parameterized macro, i.e., a parameterless macro: #define PI 3.14159
When hosted by the Windows Script Host, VBScript provides numerous features which are common to scripting languages, but not available from Visual Basic 6.0. These features include: Named and unnamed command line arguments; Stdin and stdout, which could be redirected; WSH.Echo which writes to the console and cannot be redirected
In computing, inline expansion, or inlining, is a manual or compiler optimization that replaces a function call site with the body of the called function. Inline expansion is similar to macro expansion, but occurs during compilation, without changing the source code (the text), while macro expansion occurs prior to compilation, and results in different text that is then processed by the compiler.
C does not include a multilevel break, and the usual alternative is to use a goto to implement a labeled break. [15] Python does not have a multilevel break or continue – this was proposed in PEP 3136, and rejected on the basis that the added complexity was not worth the rare legitimate use. [16]
Docstring documentation can also be accessed from the interpreter with the help() function, or from the shell with the pydoc command pydoc. The doctest standard module uses interactions copied from Python shell sessions into docstrings to create tests, whereas the docopt module uses them to define command-line options.