js--macro-decl-re

js--macro-decl-re is a variable defined in `js.el'.
Its value is

"^\\s-*#\\s-*define\\s-+\\([a-zA-Z_$]\\(?:\\s_\\|\\sw\\)*\\)\\s-*("

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp matching a CPP macro definition, up to the opening parenthesis.
Match group 1 is the name of the macro.