-- LR0ItemSetsBasic.mesa -- last edit August 25, 1984 1:43:18 pm PDT DIRECTORY GrammarBasic USING[Grammar]; LR0ItemSetsBasic: CEDAR DEFINITIONS = BEGIN OPEN GrammarBasic; -- the following is exported by LR0ItemsImpl LR0Item: TYPE = RECORD[ref: REF LR0ItemBody, x: CARDINAL]; -- item1.x = item2.x => item1 = item2 LR0ItemBody: TYPE; -- the following is exported by LR0ItemSetsBasicImpl TentativeLR0ItemSet: TYPE = REF TentativeLR0ItemSetBody; TentativeLR0ItemSetBody: TYPE; LR0ItemSet: TYPE = REF LR0ItemSetBody; LR0ItemSetBody: TYPE; ClearLR0ItemSetsAssociatedNodes: PROC[Grammar]; CreateEmptyTentativeLR0ItemSet: PROC[Grammar] RETURNS[TentativeLR0ItemSet]; InsertItemInTentativeLR0ItemSet: PROC[TentativeLR0ItemSet, LR0Item] RETURNS[--newItem-- BOOLEAN]; GenItemsInTentativeLR0ItemSet: PROC[TentativeLR0ItemSet, PROC[LR0Item]]; FreezeTentativeLR0ItemSet: PROC[TentativeLR0ItemSet] RETURNS[LR0ItemSet]; GenItemsInLR0ItemSet: PROC[LR0ItemSet, PROC[LR0Item]]; NarrowLR0ItemSet: PROC[REF ANY] RETURNS[LR0ItemSet]; NarrowTentativeLR0ItemSet: PROC[REF ANY] RETURNS[TentativeLR0ItemSet]; GetLR0AssociatedNode: PROC[LR0ItemSet] RETURNS[REF ANY]; SetLR0AssociatedNode: PROC[LR0ItemSet, REF ANY]; END.. ÊÔ˜Jšœ˜J˜/J˜˜ J˜—J˜J˜Jšœ&˜&˜J˜J˜J˜J˜,J˜J˜aJ˜J˜J˜J˜J˜4J˜J˜8J˜J˜J˜&J˜J˜J˜J˜J˜/J˜J˜J˜KJ˜J˜aJ˜J˜HJ˜J˜IJ˜J˜6J˜J˜J˜J˜J˜J˜J˜4J˜J˜FJ˜J˜J˜J˜8J˜J˜0J˜J˜—J˜—…—Ô®