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|
integer function gtok (lexstr, toksiz)
integer lexstr (100)
integer toksiz
common /cdefio/ bp, buf (4096)
integer bp
integer buf
common /cfname/ fcname (30)
integer fcname
common /cfor/ fordep, forstk (200)
integer fordep
integer forstk
common /cgoto/ xfer
integer xfer
common /clabel/ label, retlab, memflg, col, logic0
integer label
integer retlab
integer memflg
integer col
integer logic0
common /cline/ dbgout, dbglev, level, linect (5), infile (5), fnam
*p, fnames ( 150)
integer dbgout
integer dbglev
integer level
integer linect
integer infile
integer fnamp
integer fnames
common /cmacro/ cp, ep, evalst (500), deftbl
integer cp
integer ep
integer evalst
integer deftbl
common /coutln/ outp, outbuf (74)
integer outp
integer outbuf
common /csbuf/ sbp, sbuf(2048), smem(240)
integer sbp
integer sbuf
integer smem
common /cswtch/ swtop, swlast, swstak(1000), swvnum, swvlev, swvst
*k(10), swinrg
integer swtop
integer swlast
integer swstak
integer swvnum
integer swvlev
integer swvstk
integer swinrg
common /ckword/ rkwtbl
integer rkwtbl
common /clname/ fkwtbl, namtbl, gentbl, errtbl, xpptbl
integer fkwtbl
integer namtbl
integer gentbl
integer errtbl
integer xpptbl
common /erchek/ ername, body, esp, errstk(30)
integer ername
integer body
integer esp
integer errstk
integer mem( 60000)
common/cdsmem/mem
integer c
integer ngetch
integer i
c = ngetch (lexstr (1))
if (.not.(c .eq. 32 .or. c .eq. 9))goto 23000
lexstr (1) = 32
23002 if (.not.(c .eq. 32 .or. c .eq. 9))goto 23003
c = ngetch (c)
goto 23002
23003 continue
if (.not.(c .eq. 35))goto 23004
23006 if (.not.(ngetch (c) .ne. 10))goto 23007
goto 23006
23007 continue
23004 continue
if (.not.(c .ne. 10))goto 23008
call putbak (c)
goto 23009
23008 continue
lexstr (1) = 10
23009 continue
lexstr (2) = -2
gtok = lexstr (1)
return
23000 continue
i = 1
if (.not.(((65.le.c.and.c.le.90).or.(97.le.c.and.c.le.122))))goto
*23010
gtok = -9
if (.not.(c .eq. 120))goto 23012
c = ngetch (lexstr(2))
if (.not.(c .eq. 36))goto 23014
gtok = -166
i = 2
goto 23015
23014 continue
call putbak (c)
23015 continue
23012 continue
23016 if (.not.(i .lt. toksiz - 2))goto 23018
c = ngetch (lexstr(i+1))
if (.not.(.not.((65.le.c.and.c.le.90).or.(97.le.c.and.c.le.122)) .
*and. .not.(48.le.c.and.c.le.57) .and. c .ne. 95))goto 23019
goto 23018
23019 continue
23017 i=i+1
goto 23016
23018 continue
call putbak (c)
goto 23011
23010 continue
if (.not.((48.le.c.and.c.le.57)))goto 23021
i=1
23023 if (.not.(i .lt. toksiz - 2))goto 23025
c = ngetch (lexstr (i + 1))
if (.not.(.not.(48.le.c.and.c.le.57)))goto 23026
goto 23025
23026 continue
23024 i=i+1
goto 23023
23025 continue
call putbak (c)
gtok = 48
goto 23022
23021 continue
if (.not.(c .eq. 91))goto 23028
lexstr (1) = 123
gtok = 123
goto 23029
23028 continue
if (.not.(c .eq. 93))goto 23030
lexstr (1) = 125
gtok = 125
goto 23031
23030 continue
if (.not.(c .eq. 36))goto 23032
if (.not.(ngetch (lexstr (2)) .eq. 40))goto 23034
i = 2
gtok = -69
goto 23035
23034 continue
if (.not.(lexstr (2) .eq. 41))goto 23036
i = 2
gtok = -68
goto 23037
23036 continue
call putbak (lexstr (2))
gtok = 36
23037 continue
23035 continue
goto 23033
23032 continue
if (.not.(c .eq. 39 .or. c .eq. 34))goto 23038
gtok = c
i = 2
23040 if (.not.(ngetch (lexstr (i)) .ne. lexstr (1)))goto 23042
if (.not.(lexstr (i) .eq. 95))goto 23043
if (.not.(ngetch (c) .eq. 10))goto 23045
23047 if (.not.(c .eq. 10 .or. c .eq. 32 .or. c .eq. 9))goto 23048
c = ngetch (c)
goto 23047
23048 continue
lexstr (i) = c
goto 23046
23045 continue
call putbak (c)
23046 continue
23043 continue
if (.not.(lexstr (i) .eq. 10 .or. i .ge. toksiz - 1))goto 23049
call synerr (14Hmissing quote.)
lexstr (i) = lexstr (1)
call putbak (10)
goto 23042
23049 continue
23041 i = i + 1
goto 23040
23042 continue
goto 23039
23038 continue
if (.not.(c .eq. 35))goto 23051
23053 if (.not.(ngetch (lexstr (1)) .ne. 10))goto 23054
goto 23053
23054 continue
gtok = 10
goto 23052
23051 continue
if (.not.(c .eq. 62 .or. c .eq. 60 .or. c .eq. 126 .or. c .eq. 33
*.or. c .eq. 126 .or. c .eq. 94 .or. c .eq. 61 .or. c .eq. 38 .or.
*c .eq. 124))goto 23055
call relate (lexstr, i)
gtok = c
goto 23056
23055 continue
gtok = c
23056 continue
23052 continue
23039 continue
23033 continue
23031 continue
23029 continue
23022 continue
23011 continue
if (.not.(i .ge. toksiz - 1))goto 23057
call synerr (15Htoken too long.)
23057 continue
lexstr (i + 1) = -2
return
end
c logic0 logical_column
|
