home *** CD-ROM | disk | FTP | other *** search
Modula Definition | 1991-03-18 | 931 b | 38 lines |
-
- DEFINITION MODULE SACSYM2;
-
- (* SAC Symbol 2 Definition Module. *)
-
-
- FROM MASSTOR IMPORT LIST;
-
-
- PROCEDURE STBAL(L,n: LIST): LIST;
- (*Symbol tree balance. L is an alphabetical list of n symbol-tree
- nodes (n gt 0), out of which a balanced binary tree S is constructed. *)
-
-
- PROCEDURE STBALS(VAR A: ARRAY OF LIST; l, r: INTEGER): INTEGER;
- (*Symbol tree balance subroutine. The array A contains symbol-tree
- nodes in alphabetical order. The binary tree of the symbols in
- A[l..r] is constructed and A[m] is its root. *)
-
-
- PROCEDURE STNLST(T: LIST; VAR L,n: LIST);
- (*Symbol tree nodes list. T is a non-empty symbol tree.
- L is the list of its nodes in alphabetical order of the
- corresponding symbols and n the number of nodes. This algorithm
- is normally used for creating the data as required for STBAL. *)
-
-
- PROCEDURE SSYTBAL;
- (*System symbol tree balance. SYMTB is balanced. *)
-
-
- END SACSYM2.
-
-
-
-
-
-