gdb: Show
15.2 Displaying the Language
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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.
Information about a Frame Frame Info, to identify the other
information listed here.
'info source'
Display the source language of this source file. Examining
the Symbol Table Symbols, 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'
Tell GDB that source files with extension EXT are to be assumed as
written in the source language LANGUAGE.
'info extensions'
List all the filename extensions and the associated languages.