rpn-parse ( string -- tokens )

Vocabulary

rpn

Inputs

string

an object

Outputs

tokens

an object

Definition

USING: combinators kernel lists math.parser ;

IN: rpn

: rpn-parse ( string -- tokens )
    rpn-tokenize [
        {
            { "+" [ add-insn ] }
            { "-" [ sub-insn ] }
            { "*" [ mul-insn ] }
            { "/" [ div-insn ] }
            [ string>number push-insn boa ]
        } case
    ] lmap ;