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[REBOL] Re: Parse learning problem (simple)

From: joesolinsky::yahoo::com at: 30-Nov-2007 7:38

Tom, Thank you for your assistance. I am now happily producing all sorts of production rules that work. REBOL is not a language to learn in a vacuum. -Joe Solinsky ----- Original Message ---- From: Tom <> To: Sent: Friday, November 30, 2007 12:26:16 AM Subject: [REBOL] Re: Parse learning problem (simple) store: copy [] letter: charset [#"a" - #"z" #"A" - #"Z"] digit: charset [#"0" - #"9"] alphanum: union letter digit valid-name: [letter any alphanum] params: [ copy token valid-name (insert/only tail store token) opt ["," params] ] function-rule: [ copy token valid-name (insert/only tail store token) "(" params ")" ] ;;; use /all whenever you make a block rule parse/all "person(fred)" function-rule parse/all "buys(fred,shoes)" function-rule probe store == ["person" "fred" "buys" "fred" "shoes"] ____________________________________________________________________________________ Get easy, one-click access to your favorites. Make Yahoo! your homepage.