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; GRIPE parses a topic name, and calls MM using RSCAN%, to mail to
; BUG-<topic> with the subject TOPIC [GRIPE, TTYnn].  The list of topics
; is built from the system mailing list file.  If invoked as SUGGEST
; it will put "Suggestion" in the subject line, and mail to the same list.

	TITLE GRIPE
	SEARCH MONSYM,MACSYM
	.TEXT "GRIPE/SAVE"
	.TEXT "/NOINITIAL"	;Suppress loading of JOBDAT
	ASUPPRESS

A=:1				;Scratch registers
B=:2
C=:3
D=:4

GRIPTR=:7			;Pointer to gripe topic keyword
GRIPNM=:10			;Pointer to subject line

P=:17				;Main stack pointer

DEFINE ERNOP <ERJMP .+1>

; Constants and data for system mailing-list file
; These must match the definitions in MMAILBOX!

	BINPAG==100		;Where <SYSTEM>MAILING.LISTS-BIN mapped
	FREPAG==200		;Where to start making strings
BINADR=BINPAG*1000
BINFID=BINADR			;Should contain SIXBIT /MMLBX/
WRTTIM=BINFID+1			;Time of last write on text file
HSHMOD=WRTTIM+1			;Hash modulus
HSHTAB=HSHMOD+1			;The hash table itself
HSHEND=BINADR+111777		;End of hash table

; Impure data

	PDLEN==10		;Length of the stack
PDL:	BLOCK PDLEN		;The stack itself

RBUF:	BLOCK 40		;RSCAN buffer for mail program

NPAGES:	0			;Number of pages in MAILING-LISTS.BIN
BINJFN:	0			;Place to save JFN on bin file
FREPTR:	0			;Address of next word in string space

	BUFLEN==20		;Length of main command buffer
CSBUF:	BLOCK BUFLEN		;Command buffer
ATMBF:	BLOCK BUFLEN		;Atom buffer

CSB:	0			;COMND state block for gripe topics
	.PRIIN,,.PRIOU		;Command JFNs
	0			;Prompt - filled in later
	POINT 7,CSBUF		;Command buffer
	POINT 7,CSBUF		;Next input
	BUFLEN*5		;Space left in buffer
	0			;Unparsed input count
	POINT 7,ATMBF		;Atom buffer pointer
	BUFLEN*5		;Atom buffer size

; COMND stuff for gripe topic
; These topics will be filled in from the ones which appear
; as Bug-TOPIC in MMAILBOX's forwarding file.

	MAXG==200		;Maximum expected number of topics
GRIPTB:	0,,MAXG			;No keys now, but expandable to MAXG
	BLOCK MAXG		;Provide space for the table

PNTAB:	NPNAM,,NPNAM		;Table of program names and strings for them
	[ASCIZ/GRIPE/],,[ASCIZ/ [Gripe/]
	[ASCIZ/SUGGEST/],,[ASCIZ/ [Suggestion/]
NPNAM==.-PNTAB-1

START:	RESET%			;Initialize the world
	MOVE P,[IOWD PDLEN,PDL]	;Build a stack
	CALL BLDTAB		;Build the table of gripe topics
	CALL GETSUB		;Get the gripe topic.
	CALL MAKHDR		;Make the RSCAN buffer to pass on to MM
	TMSG <
Enter your gripe, comment, or suggestion.
>
	JRST SNDMAI		;Send this mail by chaining to MM

; Build the table of possible topics

; Table of possible mailing-list binfile names
; Luckily XMAILBOX format is the same as MMAILBOX format.
BINFNS:	[ASCIZ/MAIL:MAILING.LISTS-BIN/]
	[ASCIZ/SYSTEM:MAILING.LISTS-BIN/]
	[ASCIZ/MAIL:MAILING-LISTS.BIN/]
NBINFN==.-BINFNS

BLDTAB:	MOVEI A,FREPAG*1000	;Get first free string word
	MOVEM A,FREPTR		;Save it
	MOVEI A,MAXG		;Get first word for gripe table
	MOVEM A,GRIPTB		;Save it

	MOVSI C,-NBINFN		;Set up AOBJN pointer over binfile names
	DO.
	  MOVX A,GJ%SHT!GJ%OLD	;Old file, short form JFN
	  HRRO B,BINFNS(C)	;With the string at that table position
	  GTJFN%		;Get a JFN on the binfile
	  IFNSK.
	    AOBJN C,TOP.	;Failed, try for another
	    JRST NOBIN		;No more, make up small table
	  ENDIF.
	ENDDO.

	MOVEM A,BINJFN		;Save the JFN
	MOVX B,OF%RD		;Read access
	OPENF%			;Open the file
	 ERJMP NOBIN
	SIZEF%			;Get the size (number of pages in C)
	 ERJMP NOBIN
	MOVEM C,NPAGES		;Save it for unmap
	HRLZS A			;Move JFN to left half (file page in right)
	MOVE B,[.FHSLF,,BINPAG]	;Process and process page in B
	TXO C,PM%CNT!PM%RD	;Multiple page map, read access
	PMAP%			;Map it in
	 ERJMP NOBIN
	MOVE A,BINFID		;Get file ID
	CAMN A,[SIXBIT/MMLBX/]	;Is it MMAILBOX format?
	IFSKP.
	  TMSG <?Unknown format for binfile -- contact a wizard>
	  JRST UNMAP		;Unmap binfile and go on without it
	ENDIF.

	MOVE D,[-<HSHEND-HSHTAB>,,HSHTAB] ;Make AOBJN pointer over hash table
	DO.
	  HRRZ B,(D)		;Get value at this hash
	  IFN. B		;Make sure there is something there
	    MOVE A,(B)		;Get first word of string
	    TLZ A,201004	;Capitalize first three letters
	    CAML A,[ASCII/BUG-/]  ;Is it in range
	     CAML A,[ASCII/BUG./] ;to be a BUG-FOO name?
	  ANSKP.
	    HRLI B,(POINT 7,,27) ;Turn into a byte pointer
	    HRRO A,FREPTR	;Get pointer to free string space
	    CALL CPYSTR		;Copy it
	    IBP A		;Make space for null
	    MOVEI C,1(A)	;Save updated address
	    HRL B,FREPTR	;Get table entry (string,,0)
	    MOVEM C,FREPTR	;Save new string space pointer
	    CALL ADDKEY		;Add key to topic table
	  ENDIF.
	  AOBJN D,TOP.		;If more, go back and do the next
	ENDDO.

	MOVEI A,GRIPTB		;Get address of table
	HRROI B,[ASCIZ/Random-Program/]
	TBLUK%			;Look up "Bug-Random-Program"
	IFNJE.
	  TXNN B,TL%EXM		;Was an exact match found?
	ANSKP.
	  MOVE B,A		;Move address into B
	  MOVEI A,GRIPTB	;With table again
	  TBDEL%		;Remove that keyword
	   ERNOP
	ENDIF.
UNMAP:	SETO A,			;Unmapping
	MOVE B,[.FHSLF,,BINPAG]	;From binfile page of our own fork
	MOVE C,NPAGES		;Get number of pages to unmap
	TXO C,PM%CNT		;Multiple-page unmap
	PMAP%			;Do it
	 ERNOP
CLSBIN:	MOVE A,BINJFN		;Get JFN again
	CLOSF%			;Close and release it
	 ERNOP
	HRLZI B,[ASCIZ/Other/]	;Always have "Bug-Other"
				;Fall through to add it in
ADDKEY:	MOVEI A,GRIPTB		;Get address of topic table
	TBADD%			;Add it to the table
	 IFNJE. <RET>
	MOVX A,.FHSLF		;TBADD failed.  On ourself
	GETER%			;Get error condition
	 ERCAL ERROR
	HRRZS B			;Flush fork handle
	CAIN B,TADDX2		;Is the problem a duplicate entry?
	 RET			;If so, just ignore the error
	CAIE B,TADDX1		;Is it table full?
	 CALL ERROR		;No, die horribly
	TMSG <?Topic table full -- contact a wizard>
	SETZ D,			;Make AOBJN fail next time
	RET


; Here when there was no mailing list file or we found an error in it

NOBIN:	TMSG <?Couldn't find mailing-list binfile -- contact a wizard>
	JRST CLSBIN

; Get the gripe subject from the terminal
; returns +1/always
;    GRIPTR/ pointer to gripe-subject table
;    table entry is of form:  addr(subject name),,addr(file name)

GETSUB:	HRROI GRIPNM,[ASCIZ/ [Gripe/] ;Default topic.
	MOVX A,.RSINI
	RSCAN%			;Set up to read JCL
	IFNJE.
	ANDN. A			;Only read JCL if there are chars in buffer
	  HRROI A,[ASCIZ//]	;Get null prompt
	  CALL CMDINI		;Initialize command parsing
	  MOVEI B,[FLDDB. .CMKEY,,PNTAB]
	  CALL .COMND		;Parse table of possible program names
	ANSKP.
	  HRRO GRIPNM,(B)	;Yes, get string for topic
	  MOVEI B,[FLDDB. .CMKEY,,GRIPTB]
	  CALL .COMND		;Parse subject
	ANSKP.
	  MOVE GRIPTR,B		;Yes, save subject
	  MOVEI B,[FLDDB. .CMCFM]
	  CALL CONFRM		;Finish parse
	   RET			;All done
	ENDIF.

	DO.
	  HRROI A,[ASCIZ//]	;Point to an empty string
	  RSCAN%		;Clear the RSCAN buffer
	   ERNOP
	  TMSG <
Please enter the topic of your suggestion. (type ? for a list of choices)

>
	  HRROI A,[ASCIZ/Topic:  /] ;Point to prompt
	  CALL CMDINI		;Initialize command parse
	  MOVEI B,[FLDDB. .CMKEY,,GRIPTB,<
(Just press the RETURN key if none of the topics seems suitable)
>,OTHER]
	  CALL .COMND		;Parse a topic
	  IFSKP.
	    MOVE GRIPTR,B	;Yes, save the pointer
	    MOVEI B,[FLDDB. .CMCFM]
	    CALL CONFRM		;Finish command parse
	     RET		;All done
	  ENDIF.
	  TMSG <
? No topic by that name; type a "?" for a list of topics,
or just type RETURN if no topic is suitable.
>				;Complain at user
	  LOOP.			;and go re-ask question
	ENDDO.

; COMND jsys subroutines

; Initialize command parse
; Call with A/prompt string pointer

CMDINI:	POP P,CSB+.CMFLG	;Save reparse address
	MOVEM A,CSB+.CMRTY	;And prompt string
	MOVEI B,[FLDDB. .CMINI]
	CALL .COMND		;Initialize command parser
	 CALL ERROR		;Can't get a misparse
	JRST @CSB+.CMFLG	;Now go back and parse it


; Here to finish command parse
; Returns +1/success, +2/failure (note strange return convention)

CONFRM:	MOVEI B,[FLDDB. .CMCFM]	;FDB to confirm
	CALL .COMND		;Parse it
	 RETSKP			;Not parsed, return +2
	RET


; Here to parse a random FDB
; returns +1/misparse, +2/success

.COMND:	MOVEI A,CSB		;Get CSB back
	COMND%			;Parse the FDB
	TXNE A,CM%NOP		;Parsed?
	 RET			;No, fail
	RETSKP

; Build a mail command in rescan buffer

MAKHDR:	GJINF%			;Tty # in D, job # in C, user # in A
	PUSH P,D		;Save terminal #
	HRROI A,RBUF
	HRROI B,[ASCIZ/MAIL Bug-/]
	CALL CPYSTR		;Put in first part
	HLRO B,(GRIPTR)		;Get -1,,addr of topic data
	CALL CPYSTR		;Put topic name after "BUG-"
	HRROI B,[ASCIZ /
/]
	CALL CPYSTR		;Put in a new line
	HLRO B,(GRIPTR)		;Point to topic name again
	CALL CPYSTR		;Add it in as subject
	MOVE B,GRIPNM		;" [Gripe" or " [Suggestion"
	CALL CPYSTR
	HRROI B,[ASCIZ/, TTY/]
	CALL CPYSTR		;", TTY"
	POP P,B			;Terminal # to B
	MOVEI C,10		;Octal
	NOUT%			;Add in tty number
	 ERNOP
	HRROI B,[ASCIZ/:]
/]				;Close bracket, ^R so subject line is displayed
	CALL CPYSTR
	IDPB C,A		;Tie off with null
	HRROI A,RBUF
	RSCAN%			;Set it all up as JCL for MM
	 ERCAL ERROR
	RET

; Send mail by chaining to MM at the ordinary entry point

SNDMAI:	MOVX A,GJ%SHT!GJ%OLD	;Short form GTJFN on an old file
	HRROI B,[ASCIZ/SYS:MM.EXE/]
	GTJFN%			;Find MM.EXE
	 ERCAL ERROR
	HRLI A,.FHSLF
	MOVE D,A		;Save pointer to ourself, JFN of program
	MOVE B,[STRTCD,,5]
	BLT B,5+LCD-1		;Get ready to run in the ACs
	SETO A,			;Unmapping
	MOVE B,[.FHSLF,,1]	;From our own first page
	MOVE C,[PM%CNT!777]	;Multiple page unmap on all pages
	JRST 5			;Go do it in ACs

STRTCD:	PHASE 5
	PMAP%			;  5  Do the unmap
	MOVE A,D		;  6  Into ourself with the JFN on MM
	GET%			;  7  Load core image into this fork
	MOVEI A,.FHSLF		; 10 a := our frk handle
	CLZFF%			; 11 Cleanup outstanding files
	MOVEI B,0		; 12 Start at entry vec
	SFRKV%			; 13
	HALTF%			; 14 ???
	DEPHASE
LCD==.-STRTCD

; CPYSTR -- copy a string.  Terminates on 0 byte
; call:	A/ destination byte-pointer, or -1,,addr, or JFN
;	B/ source byte-pointer, or -1,,addr
; ret:	+1 always, with updated string pointers in A and B, and null in C

CPYSTR:	TLNE A,-1		;Is left half zero?
	IFSKP.			;Yes, must be a JFN
	  SETZ C,		;End on a null
	  SOUT			;Do SOUT
	  RET
	ENDIF.
	TLC A,-1		;Convert to real byte pointer if necessary
	TLCN A,-1
	 HRLI A,(POINT 7,0)
	TLC B,-1		;Same for source pointer
	TLCN B,-1
	 HRLI B,(POINT 7,0)
	DO.
	  ILDB C,B		;Get byte
	  JUMPE C,R		;If null, done
	  IDPB C,A		;Else drop it in
	  LOOP.			;And go back for more
	ENDDO.

; Here on a fatal (i.e. totally unexpected) jsys error

ERROR:	EXCH D,(P)		;Save D register, put pushed loc in D
	PUSH P,A		;Save the other registers
	PUSH P,B
	PUSH P,C
	HRROI A,[ASCIZ/Unexpected error in GRIPE!
Please report this by sending MAIL to BUG-GRIPE-PROGRAM.
Error was: /]
	ESOUT%			;Start error message
	MOVX A,.PRIOU		;To the terminal
	HRLOI B,.FHSLF		;With last error on our own fork
	SETZ C,			;No limit
	ERSTR%			;Print error string
	 ERJMP ERRERR		;Undefined error number
	 ERJMP ERRERR		;Other error
	TMSG < at location >
	MOVX A,.PRIOU		;More terminal output
	HRRZ B,D		;Get caller's address
	SUBI B,2		;Subtract two from this to point to JSYS
	MOVEI C,^D8		;Radix octal
	NOUT%			;Output location
	 ERJMP ERRERR
	POP P,C			;Now restore all saved registers
	POP P,B
	POP P,A
	POP P,D

STOP:	HALTF%			;Stop
	HRROI A,[ASCIZ/Can't continue/]
	ESOUT%			;Complain if continued
	JRST STOP		;Go back and stop again

ERRERR:	HRROI A,[ASCIZ/Error within an error/]
	ESOUT%			;Error handler couldn't do it
	JRST STOP		;So complain again and die

RSKP:	AOS (P)			;We don't have macrel, so add these labels
R:	RET

; Give literals nice disassembly

LIT:	LIT

	END START