786232ce_Tutorial__Metacompilers_Part_1__Purpose
[Mnemonic] ID [Actions] After skipping initial whitespace in the input string, test if it begins with an identifier, i.e., a letter followed by a sequence of letters and/or digits. If so, copy the identifier to the token buffer; skip over it in the input; and set switch. If not, reset switch. [Purpose] 
Identifier token
Tutorial: Metacompilers Part 1
Purpose