Trailing-Edge
-
PDP-10 Archives
-
bb-h138f-bm
-
7-sources/linsert.bli
There are 10 other files named linsert.bli in the archive. Click here to see a list.
%TITLE 'LINSERT - insert text'
MODULE LINSERT ( ! Insert text
IDENT = '3-005' ! File: LINSERT.BLI Edit: CJG3005
) =
BEGIN
!COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1981, 1988. 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 THAT IS NOT SUPPLIED BY DIGITAL.
!
!
!++
! FACILITY: EDT -- The DEC Standard Editor
!
! ABSTRACT:
!
! This module executes the line mode INSERT command.
! It also provides support for the insert part of the
! REPLACE command.
!
! ENVIRONMENT: Runs at any access mode - AST reentrant
!
! AUTHOR: Bob Kushlis, CREATION DATE: February 3, 1978
!
! MODIFIED BY:
!
! 1-001 - Original. DJS 30-JAN-81. This module was created by
! extracting routines INSERT and INS_COM from EXEC.BLI.
! 1-002 - Regularize headers. JBS 20-Mar-1981
! 1-003 - Change INS_COM to EDT$$INS_CMD . JBS 30-Mar-1981
! 1-004 - Do prompting from a global. JBS 23-Oct-1981
! 1-005 - Add error check for too many lines. SMB 5-Feb-1982
! 1-006 - Reset command buffer after EOF. STS 23-Jun-1982
! 1-007 - Add CRLF for EXT insert and replace commands. SMB 07-Jul-1982
! 1-008 - Change indentation for large line numbers. SMB 14-Jul-1982
! 1-009 - Use previous line size instead of current. SMB 15-Jul-1982
! 1-010 - Put code for edt$$rng_posfrst in line. STS 11-Oct-1982
! 1-011 - Use new macro for comparing line numbers. STS 20-Oct-1982
! 1-012 - Don't print CRLF unless we are coming from the terminal. JBS 19-Jan-1983
! 3-001 - Modify for the TOPS 20 parser. CJG 14-Mar-1983
! 3-002 - Add updates from V3 sources. GB 29-Apr-1983
! 3-003 - Prompts do not have leading <CR><LF>, and <CR><LF> needed before
! the call to EDT$$TY_CURLN. CJG 15-Jun-1983
! 3-004 - Fix a problem with journalling multicommand lines, especially INSERT\...
! CJG 10-Jan-1984
! 3-005 - Modify ASSERT macro to include error code. CJG 30-Jan-1984
!--
%SBTTL 'Declarations'
!
! TABLE OF CONTENTS:
!
REQUIRE 'EDTSRC:TRAROUNAM';
FORWARD ROUTINE
EDT$$INS_TXT : NOVALUE, ! Insert text
EDT$$INS_CMD : NOVALUE; ! Process the INSERT command
!
! INCLUDE FILES:
!
REQUIRE 'EDTSRC:EDTREQ';
!
! MACROS:
!
! NONE
!
! EQUATED SYMBOLS:
!
! NONE
!
! OWN STORAGE:
!
! NONE
!
! EXTERNAL REFERENCES:
!
! In the routines
%SBTTL 'EDT$$INS_TXT - insert text'
GLOBAL ROUTINE EDT$$INS_TXT ! Insert text for INSERT and REPLACE commands
: NOVALUE =
!++
! FUNCTIONAL DESCRIPTION:
!
! This routine handles the insertion of text from an INSERT or REPLACE
! command. If the current token from the parser is a '\', then the text
! to be inserted is the remainder of the command line. Otherwise, loop
! reading a line and inserting it until an end of file is detected.
!
! FORMAL PARAMETERS:
!
! NONE
!
! IMPLICIT INPUTS:
!
! CMD_END
! CMD_LEN
! CMD_PTR
! INP_SRC
! NOS
! PA_CURTOK
! PA_CURTOKLEN
! PMT_INS
! PMT_INSN
!
! IMPLICIT OUTPUTS:
!
! CMD_BUF
!
! ROUTINE VALUE:
!
! NONE
!
! SIDE EFFECTS:
!
! NONE
!
!--
BEGIN
EXTERNAL ROUTINE
EDT$$CMP_LNO,
EDT$$FMT_CRLF,
EDT$$TI_WRSTR,
EDT$$GET_LN,
EDT$$END_INS,
EDT$$INS_LN,
EDT$$START_INS,
EDT$$TI_BUFSTR, ! Save a journal record
EDT$$TI_FLUSHJOUFI, ! Write a journal record
EDT$$TY_CURLN; ! Type out the current line
EXTERNAL
WK_STARTNO : LN_BLOCK,
LNO0 : LNOVECTOR [14],
FMT_WRRUT,
EXT_MOD,
CMD_BUF,
CMD_END,
CMD_LEN,
CMD_PTR,
INP_SRC,
RCOV_MOD, ! Recovery mode (for journalling)
JOU_VALID, ! Validity of journal record
NOS, ! 1 = numbers, 0 = nonumbers
PA_MORE, ! More on current line indicator
PA_CURTOK, ! Pointer to remainder of input
PA_CURTOKLEN, ! Length of remainder
PMT_INS : VECTOR, ! Counted ASCII string for line-mode insert prompt
PMT_INSN : VECTOR; ! Counted ASCII string for line-mode insert nonumbers prompt
LOCAL
BIG_LINE_PMT : VECTOR [32], ! Prompt for lines larger than 10**5
STATUS,
EOF;
!+
! Set up the work-file system for insertion
!-
EDT$$START_INS ();
!+
! Look for the immediate insertion signaled by a '\' following the command.
! Don't insert the <CR><LF> at the end of the line.
!-
IF (.PA_MORE NEQ 0) THEN
BEGIN
EDT$$TI_BUFSTR (CH$PTR (CMD_BUF,, BYTE_SIZE), .CMD_LEN + .PA_CURTOKLEN - 2);
JOU_VALID = 1;
IF ( NOT .RCOV_MOD) THEN EDT$$TI_FLUSHJOUFI (%C'T');
EDT$$INS_LN (.PA_CURTOK, .PA_CURTOKLEN - 2);
PA_MORE = 0;
END
ELSE
!+
! Insert mode loop. Keep reading and inserting lines until EOF or until
! the maximum number of lines has been reached for this buffer
!-
BEGIN
IF (.EXT_MOD AND (.FMT_WRRUT EQL EDT$$TI_WRSTR) AND (.INP_SRC EQL INP_TERM))
THEN
EDT$$FMT_CRLF ();
!+
! Set up the prompt for large lines just in case we need it later
! (only want to do this once. To do this we add 5 spaces after the
! <CR><LF> in the prompt.
!-
IF (.NOS EQL 1)
THEN
BEGIN
BIG_LINE_PMT [0] = .PMT_INS [0] + 5;
CH$MOVE (.PMT_INS [0], CH$PTR (PMT_INS [1],, BYTE_SIZE),
CH$PTR (BIG_LINE_PMT [1], 5, BYTE_SIZE));
CH$FILL (%C' ', 5, CH$PTR (BIG_LINE_PMT [1],, BYTE_SIZE));
END;
DO
BEGIN
LOCAL
PROMPT_ADDR : REF VECTOR;
IF (EDT$$CMP_LNO (WK_STARTNO, LNO0 [10]) GEQ 0) AND (.NOS EQL 1)
THEN
PROMPT_ADDR = BIG_LINE_PMT
ELSE
PROMPT_ADDR = (CASE .NOS FROM 0 TO 1 OF
SET
[0] : PMT_INSN;
[1] : PMT_INS;
[OUTRANGE] :
BEGIN
ASSERT (15, 0);
0
END;
TES);
EOF = EDT$$GET_LN (0, PROMPT_ADDR [1], .PROMPT_ADDR [0]);
IF (( NOT .EOF) OR (.CMD_LEN NEQ 0))
THEN
STATUS = EDT$$INS_LN (CH$PTR (CMD_BUF,, BYTE_SIZE), .CMD_LEN)
END
UNTIL ((.EOF) OR ( NOT .STATUS));
END;
IF .EOF
THEN
BEGIN
CMD_END = CH$PTR(CMD_BUF,, BYTE_SIZE);
CMD_PTR = CH$PTR(CMD_BUF,, BYTE_SIZE);
END;
!+
! Inform the work file system that the insert is complete, and print
! the next line.
!-
EDT$$END_INS ();
IF (.INP_SRC EQL INP_TERM)
THEN
BEGIN
EDT$$FMT_CRLF ();
EDT$$TY_CURLN ();
END;
END;
%SBTTL 'EDT$$INS_CMD - INSERT line-mode command'
GLOBAL ROUTINE EDT$$INS_CMD ! INSERT line-mode command
: NOVALUE =
!++
! FUNCTIONAL DESCRIPTION:
!
! Command processing routine for the INSERT command. Position to the
! specified range and, if it positioned successfully, do the insert.
!
! FORMAL PARAMETERS:
!
! NONE
!
! IMPLICIT INPUTS:
!
! EXE_CURCMD
!
! IMPLICIT OUTPUTS:
!
! NONE
!
! ROUTINE VALUE:
!
! NONE
!
! SIDE EFFECTS:
!
! NONE
!
!--
BEGIN
EXTERNAL ROUTINE
EDT$$RNG_REPOS;
EXTERNAL
RNG_FRSTLN,
CUR_BUF : REF TBCB_BLOCK,
RNG_ORIGPOS : POS_BLOCK,
EXE_CURCMD : REF NODE_BLOCK; ! Pointer to the current command.
RNG_FRSTLN = 1;
EDT$$CPY_MEM (POS_SIZE, .CUR_BUF, RNG_ORIGPOS);
IF EDT$$RNG_REPOS (.EXE_CURCMD [RANGE1])
THEN
BEGIN
EDT$$INS_TXT ();
END;
END;
END
ELUDOM