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|
subroutine comand(id)
C ====================================================================
C Scilab Command and Keyword
C ====================================================================
C id(nsiz) coded name of the comand
c Copyright INRIA
include '../stack.h'
logical compil
C
integer lunit,mode(2)
C
integer cmdl
parameter (cmdl = 23)
parameter (nz1 = nsiz-1, nz2 = nsiz-2)
C
integer cmd(nsiz,cmdl),a,blank,name
integer id(nsiz),ennd(nsiz),sel(nsiz),while(nsiz),for(nsiz)
integer iff(nsiz)
integer semi,comma,eol,percen,lparen,count,equal,nchar
logical eqid
integer iadr
common/cmds/cmd
save cmds
C
data a/10/
data eol/99/,semi/43/,comma/52/,lparen/41/,equal/50/
data blank/40/,name/1/,percen/56/
data ennd/671946510,nz1*673720360/
data sel/236260892,673717516,nz2*673720360/
data while/353505568,673720334,nz2*673720360/
data iff/673713938,nz1*673720360/
data for/672864271,nz1*673720360/
C ------command names--------
C if else for
C while end select
C case quit exit
C return help what
C who
C pause clear resume
C then do
C apropos abort break
C elseif pwd
C
data ((cmd(i,j), i = 1,nsiz), j = 1,10)/
& 673713938,nz1*673720360,
& 236721422,nz1*673720360,
& 672864271,nz1*673720360,
& 353505568,673720334,nz2*673720360,
& 671946510,nz1*673720360,
$ 236260892,673717516,nz2*673720360,
& 236718604,nz1*673720360,
$ 487726618,nz1*673720360,
& 487727374,nz1*673720360,
$ 505220635,673715995,nz2*673720360/
data ((cmd(i,j), i = 1,nsiz), j = 11,20)/
& 420810257,nz1*673720360,
& 487199008,nz1*673720360,
& 672665888,nz1*673720360,
& 471730713,673720334,nz2*673720360,
& 168695052,673720347,nz2*673720360,
& 505155099,673713686,nz2*673720360,
& 386797853,nz1*673720360,
& 673716237,nz1*673720360,
& 404429066,672929817,nz2*673720360,
& 454560522,673720349,nz2*673720360/
data ((cmd(i,j), i = 1,nsiz), j = 21,23)/
& 168696587,673720340,nz2*673720360,
& 236721422,673713938,nz2*673720360,
& 671948825,nz1*673720360/
C
iadr(l) = l + l - 1
C
if (ddt .eq. 4) then
call cvname(id,buf,1)
call basout(io,wte,' comand : '//buf(1:nlgh))
endif
C
fun = 0
do 10 k = 1,cmdl
if (eqid(id,cmd(1,k))) then
if(k.eq.15.or.(k.ge.11.and.k.le.13).or.k.eq.19) goto 11
goto 15
endif
10 continue
c form function like call
fin = 0
nchar=lin(lpt(4))
if(char1.eq.comma.or.char1.eq.semi.or.char1.eq.eol) return
11 continue
fin=0
if(char1.eq.lparen.or.char1.eq.equal) return
rhs=0
call funs(id)
if(fin.eq.0) then
if(comp(1).eq.0) then
fin=-4
call funs(id)
if(fin.eq.0) return
call cmdstr
else
call cmdstr
fin=-2
call stackg(id)
if(err.gt.0) return
fun=-1
endif
else
if(char1.eq.comma.or.char1.eq.semi.or.char1.eq.eol) return
call cmdstr
endif
return
C
15 if (fin .eq. -1) return
C
fin = 1
C mots cles if then else for do while end case selec
goto (32,33,30,31,35,36,37) k
goto (42,42) k-16
C
goto (50,55,45,16,16,16,20,16,45,16,16,16,120,130,38,140) k-7
16 call error(16)
return
C
C -----
C pause
C -----
C
20 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
if (char1.ne.eol .and. char1.ne.comma .and. char1.ne.semi) then
call error(16)
return
endif
C compilation de pause:<12>
if (compil(12,0,0,0,0)) return
fin = 3
goto 999
C
C
C ---------------------------------------
C for, while, if, else, end, select, case, elseif
C ---------------------------------------
C
30 fin = -11
goto 999
31 fin = -12
goto 999
32 fin = -13
goto 999
33 fin = -14
if (pt .eq. 0) then
goto 42
elseif (abs(rstk(pt)) .ne. 805) then
goto 42
endif
goto 999
35 fin = -10
if (pt .eq. 0) then
goto 42
elseif (abs(rstk(pt)).ne.805 .and. abs(rstk(pt)).ne.802 .and.
& abs(rstk(pt)).ne.806) then
goto 42
endif
goto 999
36 fin = -15
goto 999
37 fin = -16
if (pt .eq. 0) then
goto 42
elseif (abs(rstk(pt)).ne.805 .or. .not.eqid(ids(1,pt),sel)) then
goto 42
endif
goto 999
38 fin = -17
if (pt .eq. 0) then
goto 42
elseif (abs(rstk(pt)) .ne. 805) then
goto 42
endif
goto 999
C
42 call error(34)
return
C
C -------------
C return/resume
C -------------
C
45 continue
if (char1 .eq. lparen) then
C return/resume avec rhs et sans lhs --> fonction et non commande
fin = 0
goto 999
endif
C compilation return:<99>
if (compil(99,0,0,0,0)) return
46 continue
k = lpt(1) - (13+nsiz)
if (pt.eq.0 .or. k.le.0) goto 998
pt = pt + 1
47 pt = pt - 1
if (pt .eq. 0) goto 48
if (rstk(pt).eq.802 .or. rstk(pt).eq.612 .or.
& (rstk(pt).eq.805.and.eqid(ids(1,pt),sel)) .or.
& (rstk(pt).eq.616.and.pstk(pt).eq.10)) top = top - 1
ir = rstk(pt) / 100
if (ir .ne. 5) goto 47
48 continue
fin = 2
lhs = 0
goto 999
C
C -------------
C quit
C -------------
C
50 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
C compilation quit:<17>
if (compil(17,0,0,0,0)) return
if (paus .ne. 0) then
C quit dans une pause
paus = paus - 1
pt = pt + 1
51 pt = pt - 1
if (rstk(pt) .ne. 503) goto 51
k = lpt(1) - (13+nsiz)
lpt(1) = lin(k+1)
lpt(2) = lin(k+4)
lpt(6) = k
bot = lin(k+5)
pt = pt - 1
rio = pstk(pt)
if (rstk(pt) .eq. 701) pt = pt - 1
goto 46
else
C quit (sortie)
fun = 99
endif
goto 998
C
C -------------
C exit
C -------------
C
55 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
C compilation exit:<20>
if (compil(20,0,0,0,0)) return
if (niv.gt.0) then
call sciquit
stop
endif
fun = 99
goto 998
C
C pwd
C ---
140 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
fun=13
fin=44
rhs=0
if(char1.eq.comma.or.char1.eq.semi.or.char1.eq.eol) return
call cmdstr
return
C
60 continue
C
C abort
C -----
C
120 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
if (compil(14,0,0,0,0)) return
C compilation abort:<14>
pt = pt + 1
121 pt = pt - 1
if (pt .eq. 0) goto 122
if (int(rstk(pt)/100) .eq. 5) then
k = lpt(1) - (13+nsiz)
lpt(1) = lin(k+1)
lpt(2) = lin(k+2)
lpt(3) = lin(k+3)
lpt(4) = lin(k+4)
lct(4) = lin(k+6)
lpt(6) = k
if (rstk(pt) .le. 502) then
c . abort dans une macro ou execstr
if(pt.gt.1) then
if(rstk(pt-1).ne.903) then
c . abort dans une macro
bot = lin(k+5)
endif
else
c . abort dans une macro
bot = lin(k+5)
endif
elseif (rstk(pt) .eq. 503) then
if (rio .eq. rte) then
c . abort dans une pause
rio = pstk(pt-1)
paus = paus - 1
bot = lin(k+5)
else
c . abort dans un exec
mode(1)=0
call clunit(-rio,buf,mode)
rio = pstk(pt-1)
endif
endif
endif
goto 121
122 continue
lct(8) = 0
fin = 4
comp(1) = 0
if (niv .gt. 0) err = 9999999
goto 999
C
C break
C------
130 continue
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
if (compil(13,0,0,0,0)) return
C compilation de break:<13>
count = 0
pt = pt + 1
131 pt = pt - 1
if (pt .eq. 0) then
pt = 1
call putid(ids(1,pt),cmd(1,21))
call error(72)
return
endif
C
ir = rstk(pt) / 100
c96
if (ir .eq. 5) then
call putid(ids(1,pt),cmd(1,21))
call error(72)
return
endif
c
if (ir .ne. 8) goto 131
count = count + 1
if (rstk(pt) .eq. 802) then
C break dans un for
top = top - 1
pt = pt - 2
elseif(eqid(ids(1,pt),sel)) then
c discard select variable
top = top - 1
goto 131
elseif (eqid(ids(1,pt),while)) then
C break dans un while
pt = pt - 1
elseif (int(rstk(pt)/100) .eq. 5) then
call putid(ids(1,pt),cmd(1,21))
call error(72)
return
else
goto 131
endif
132 call getsym
if (sym .eq. eol) then
C gestion des clause sur plusieurs lignes
if (macr.gt.0 .and. lin(lpt(4)+1).eq.eol) then
call error(47)
return
endif
if (rio.eq.rte .and. macr.eq.0) goto 998
if (lpt(4) .eq. lpt(6)) then
call getlin(1)
else
lpt(4) = lpt(4) + 1
char1 = blank
endif
goto 132
endif
if (sym .ne. name) goto 132
if (eqid(syn,for) .or. eqid(syn,while) .or. eqid(syn,iff) .or.
& eqid(syn,sel)) count = count + 1
if (.not. eqid(syn,ennd)) goto 132
count = count - 1
if (count .gt. 0) goto 132
C char1=blank
fin = 1
return
C
C
C fin
C ---
C
998 continue
fin = 0
call getsym
fin = 1
C
999 continue
lunit = 0
end
|
