INTERFACE M3ASTPickle;
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Copyright (C) Olivetti 1989
All Rights reserved
Use and copy of this software and preparation of derivative works based
upon this software are permitted to any person, provided this same
copyright notice and the following Olivetti warranty disclaimer are
included in any copy of the software or any modification thereof or
derivative work therefrom made by any person.
This software is made available AS IS and Olivetti disclaims all
warranties with respect to this software, whether expressed or implied
under any law, including all implied warranties of merchantibility and
fitness for any purpose. In no event shall Olivetti be liable for any
damages whatsoever resulting from loss of use, data or profits or
otherwise arising out of or in connection with the use or performance
of this software.
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IMPORT Rd, Wr, Thread, Pickle, M3AST_AS, M3AST_FE, M3Context;
PROCEDURE Read(
context: M3Context.T;
rd: Rd.T;
p: ImportedUnitProc;
VAR (*out*) cu: M3AST_AS.Compilation_Unit
) RAISES {Rd.Failure, Thread.Alerted, Pickle.Error};
Unpickle an AST from rd
, using p
to locate units that are referenced
by the pickle.
TYPE
ImportedUnitProc = PROCEDURE(
unitName: TEXT;
unitType: M3AST_FE.Unit_type;
unitUid: M3AST_FE.Unit_uid;
context: M3Context.T;
VAR (*out*) cu: M3AST_AS.Compilation_Unit
): BOOLEAN RAISES ANY;
A call to this procedure is a request for the given unit to be found.
The M3Context.T
argument will be the same as that passed in to Read
.
The M3CUnit.Uid
argument must match the found unit.
A FALSE
result means that the unit could not be found or did not match.
PROCEDURE Write(cu: M3AST_AS.Compilation_Unit; wr: Wr.T)
RAISES {Wr.Failure, Thread.Alerted, Pickle.Error};
Pickle cu
to wr
, including the structure to allow unpickling
later.
END M3ASTPickle.