Files
Digital-Research-Source-Code/ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/open.for
Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

80 lines
3.0 KiB
Fortran

C***********************************************************************
C
C OPEN.FOR
C
C
C D I S C L A I M E R N O T I C E
C ------------------- -----------
C
C This document and/or portions of the material and data furnished
C herewith, was developed under sponsorship of the U. S. Government.
C Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
C University, nor their employees, nor their respective contractors,
C subcontractors, or their employees, makes any warranty, express or
C implied, or assumes any liability or responsibility for accuracy,
C completeness or usefulness of any information, apparatus, product
C or process disclosed, or represents that its use will not infringe
C privately-owned rights. Mention of any product, its manufacturer,
C or suppliers shall not, nor is it intended to, imply approval, dis-
C approval, or fitness for any particular use. The U. S. and the
C University at all times retain the right to use and disseminate same
C for any purpose whatsoever. Such distribution shall be made by the
C National Energy Software Center at the Argonne National Laboratory
C and only subject to the distributee furnishing satisfactory proof
C that he has a valid license from the Intel Corporation in effect.
C
C
C-----------------------------------------------------------------------
C
C This module of the PL/M-VAX compiler contains routines used to
C open input and output files. A 'USEROPEN' procedure is invoked
C when an input file is opened to allow access to the VFC line
C numbers created by text editors.
C
C-----------------------------------------------------------------------
C R E V I S I O N H I S T O R Y
C
C 20OCT81 Alex Hunter 1. Added disclaimer notice. (V5.4)
C 04FEB82 Alex Hunter 1. Change name of useropen procedure
C and its common block. (V6.6)
C
C-----------------------------------------------------------------------
SUBROUTINE OPEN_SOS_FILE(UNIT,FILE_STRING)
INCLUDE 'PLMCOM.FOR/NOLIST'
EXTERNAL XQ_GET_CNTRL_FLD
BYTE FILE_STRING(0:45)
INTEGER*2 W_LINE_NUMBER(0:99)
COMMON /XQ_LINE_SEQS/ W_LINE_NUMBER
FILE_STRING(FILE_STRING(0)+1)=0
W_LINE_NUMBER(UNIT)=-1
I=1
IF (FILE_STRING(1).EQ.':') I=2
OPEN(UNIT=UNIT,FILE=FILE_STRING(I),STATUS='OLD',READONLY,
# USEROPEN=XQ_GET_CNTRL_FLD,ERR=99)
RETURN
99 IF (PRINT_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,1000) (FILE_STRING(I),I=1,FILE_STRING(0))
ENDIF
IF (.NOT.LISTING_TO_TERMINAL) THEN
CALL TYPE_LAST_SOURCE_LINE
WRITE(7,1000) (FILE_STRING(I),I=1,FILE_STRING(0))
ENDIF
1000 FORMAT(' **** Input File Not Found: ',99A1)
STOP 'COMPILATION ABORTED'
C----------------------------------
ENTRY OPEN_OUTPUT_FILE(UNIT,FILE_STRING)
C----------------------------------
FILE_STRING(FILE_STRING(0)+1)=0
I=1
IF (FILE_STRING(1).EQ.':') I=2
OPEN(UNIT=UNIT,FILE=FILE_STRING(I),STATUS='NEW')
RETURN
END