155 lines
3.5 KiB
C++
155 lines
3.5 KiB
C++
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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Copyright (c) 1989-1999 Microsoft Corporation
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Module Name:
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dtable.hxx
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Abstract:
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Dispatch table manager defintions.
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Notes:
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History:
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Oct-01-1993 VibhasC Created.
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----------------------------------------------------------------------------*/
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/****************************************************************************
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* include files
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***************************************************************************/
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#ifndef __DTABLE_HXX__
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#define __DTABLE_HXX__
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#include "nulldefs.h"
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extern "C"
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{
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#include <stdio.h>
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}
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#include "cgcommon.hxx"
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#include "idict.hxx"
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#include "listhndl.hxx"
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#include "nodeskl.hxx"
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//
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// This is the dispatch table manager class. We chose to do this using a class
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// derived from a simple array dictionary, because for MIDL's mixed model
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// of stub generation, mop dispatch table generation needs to know a little
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// more info about a procedure during dispatch table generation than normal
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// stubs.
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//
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// Each entry in the this class is a pointer to a special structure that
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// keeps the name of the function, along with some other information. This is
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// used by MIDL's code generator to register procedures for final emission into
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// the dispatch table. This class is NOT responsible for mangling names of the
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// procedures. It is the responsibility of the code generator to mangle names
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// before registering with the dispatch table.
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//
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#define INITIAL_SIZE_FOR_DISPATCH_TABLE 10
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#define INCREMENT_FOR_DISPATCH_TABLE 10
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//
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// Additional info about dispatch table entries.
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// These may overlap in the table: Read the comment about GetProcList.
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typedef enum
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{
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DTF_NONE = 0x0000
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,DTF_INTERPRETER = 0x0001
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,DTF_PICKLING_PROC = 0x0008
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} DISPATCH_TABLE_FLAGS;
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//
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// A dispatch table entry. The dispatch table class owns the structure, but
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// does not own the name pointer. therefore while destroying the contents
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// of this structure, DONT free the procedure name.
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//
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typedef struct
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{
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//
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// The name of the procedure to be registered.
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//
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PNAME pName;
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//
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// The node_skl of the procedure.
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//
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node_skl * pNode;
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//
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// Additional info that qualifies the procedure entry.
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//
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DISPATCH_TABLE_FLAGS Flags;
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} DISPATCH_TABLE_ENTRY;
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//
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// The actual dispatch table class.
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//
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class DISPATCH_TABLE : public IDICT
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{
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private:
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public:
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//
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// The constructor.
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//
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DISPATCH_TABLE() : IDICT(
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INITIAL_SIZE_FOR_DISPATCH_TABLE,
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INCREMENT_FOR_DISPATCH_TABLE
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)
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{
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}
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//
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// The destructor.
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//
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~DISPATCH_TABLE();
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//
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// Register the procedure.
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//
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void RegisterProcedure( node_skl * pProcName,
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DISPATCH_TABLE_FLAGS Flags );
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//
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// Return the count of number of procedures in the table.
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//
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unsigned short GetCount()
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{
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return GetNumberOfElements();
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}
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//
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// Get a list of procedures which conform to the specified flags. Return
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// the count of such procedures. The flags field allows the caller to
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// select a set of procedures which have certain properties. For example,
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// the caller may want all procedures which are either mops procedures or
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// normal procedures. The flags field should specify all the necessary
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// flags which identify a mops dispatch table entry. This function will
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// use the flags param as a filter for the dispatch table entries.
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//
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unsigned short GetProcList( ITERATOR& ProcList,
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DISPATCH_TABLE_FLAGS );
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};
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#endif // __DTABLE_HXX__
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