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9.2 Displaying the language

The following commands help you find out which language is the working language, and also what language source files were written in.

show language

Display the current working language. This is the language you can use with commands such as print to build and compute expressions that may involve variables in your program.

info frame

Display the source language for this frame. This language becomes the working language if you use an identifier from this frame. See section Information about a frame, to identify the other information listed here.

info source

Display the source language of this source file. See section Examining the Symbol Table, to identify the other information listed here.

In unusual circumstances, you may have source files with extensions not in the standard list. You can then set the extension associated with a language explicitly:

set extension-language .ext language

Set source files with extension .ext to be assumed to be in the source language language.

info extensions

List all the filename extensions and the associated languages.