Google
 

Trailing-Edge - PDP-10 Archives - bb-r775e-bm_tops20_ks_upd_5 - sources/edt/chmenttrm.bli
There are 11 other files named chmenttrm.bli in the archive. Click here to see a list.
 %TITLE 'CHMENTTRM - test for entity delimiter'
MODULE CHMENTTRM (				! Test for entity delimiter
		IDENT = '3-002'			! File: CHMENTTRM.BLI Edit: CJG3002
		) =
BEGIN
!
!			  COPYRIGHT (c) 1981, 1985 BY
!	      DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
!		ALL RIGHTS RESERVED.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
! ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
! INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
! COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
! OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
! TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
! AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
! CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
! SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
!

!++
! FACILITY:	EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
!	This module determines if the current character is an
!	entity delimiter.
!
! ENVIRONMENT:	Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: Unknown
!
! MODIFIED BY:
!
! 1-001	- Original.  DJS 04-Feb-1981.  This module was created by
!	extracting the routine EDT$$TST_ENTDELIM  from module CHANGE.BLI.
! 1-002	- Regularize headers.  JBS 02-Mar-1981
! 3-001 - Change code to handle different format entities.  GB 7-Apr-1983
! 3-002 - Modify loop to improve speed. CJG 29-Jun-1983
!--

%SBTTL 'Declarations'
!
! TABLE OF CONTENTS:
!

REQUIRE 'EDTSRC:TRAROUNAM';

FORWARD ROUTINE
    EDT$$TST_ENTDELIM;				! Determine if the current character is an entity delimiter

!
! INCLUDE FILES:
!

REQUIRE 'EDTSRC:EDTREQ';

!
! MACROS:
!
!	NONE
!
! EQUATED SYMBOLS:
!
!	NONE
!
! OWN STORAGE:
!
!	NONE
!
! EXTERNAL REFERENCES:
!
!	In the routine
%SBTTL 'EDT$$TST_ENTDELIM  - test for entity delimiter'

GLOBAL ROUTINE EDT$$TST_ENTDELIM (		! Test for entity delimiter
	TERM_STRING				! Counted string of delimiter characters
    ) =

!++
! FUNCTIONAL DESCRIPTION:
!
!	This function returns a 1 if the current character is an entity delimiter.
!
! FORMAL PARAMETERS:
!
!  TERM_STRING 		a counted string of valid delimiter characters
!
! IMPLICIT INPUTS:
!
!	LN_PTR
!
! IMPLICIT OUTPUTS:
!
!	NONE
!
! ROUTINE VALUE:
!
!	1		Character is a delimiter
!	0		Character is not a delimiter
!
! SIDE EFFECTS:
!
!	NONE
!
!--

    BEGIN

    EXTERNAL
	LN_PTR;				! Current character pointer

    LOCAL
	NT,
	CH,
	TS;

    TS = CH$PTR (.TERM_STRING + 1,, BYTE_SIZE);
    NT = ..TERM_STRING;
    CH = CH$RCHAR (.LN_PTR);

    DECR I FROM .NT - 1 TO 0 DO

	IF (.CH EQL CH$RCHAR_A (TS)) THEN RETURN (1);

    RETURN (0);
    END;


END
ELUDOM