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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 = 29)
parameter (nz1 = nsiz-1, nz2 = nsiz-2, nz3 = nsiz-3)
parameter (iif=1,iwhile=2,iselect=3)
C
integer cmd(nsiz,cmdl),a,blank,name
integer id(nsiz),ennd(nsiz),sel(nsiz),while(nsiz),for(nsiz)
integer iff(nsiz),func(nsiz),endfunc(nsiz)
integer semi,comma,eol,percen,lparen,slash
integer count,equal,nchar,pchar
logical eqid,cresmat
integer iadr
common/cmds/cmd
save cmds
C
data a/10/
data eol/99/,semi/43/,comma/52/,lparen/41/,equal/50/,slash/48/
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/
data func/202841615,387453469,nz2*673720360/
data endfunc/252516110,487331614,672602130,nz3*673720360/
C if, else, for, while, end, select, case, quit, return
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/
C help, what, who, pause, clear, resume, then, do, apropos, abort
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/
C break, elseif, pwd, function, endfunction, clc, continue, try, catch
data ((cmd(i,j), i = 1,nsiz), j = 21,29)/
& 168696587,673720340,nz2*673720360,
& 236721422,673713938,nz2*673720360,
& 671948825,nz1*673720360,
& 202841615,387453469,nz2*673720360,
& 252516110,487331614,672602130,nz3*673720360,
& 671880460,nz1*673720360,
& 488052748,236853010,nz2*673720360,
& 673323805,nz1*673720360,
& 203229708,673720337,nz2*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
kcont=27
kbrk=21
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.or.
* k.eq.26) 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) goto 11
if (char1.eq.slash.and.lin(lpt(4)).eq.slash) goto 11
if(lpt(4).ge.2) then
pchar=lin(lpt(4)-2)
if(pchar.ne.blank) return
endif
11 continue
fin=0
if(char1.eq.lparen.or.char1.eq.equal) return
if (comp(1).eq.0) then
rhs=0
fin=-1
call stackg(id)
if (fin.gt.0) then
ityp=abs(istk(iadr(lstk(fin))))
fin=0
if (ityp.ne.11.and.ityp.ne.13.and.ityp.ne.130) return
endif
endif
call funs(id)
if(fin.eq.0) then
if(comp(1).eq.0) then
fin=-4
call funs(id)
if(fin.eq.0) return
sym=char1
call cmdstr
else
sym=char1
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) then
sym=char1
return
endif
if (char1.eq.slash.and.lin(lpt(4)).eq.slash) then
sym=comma
return
endif
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,
& 16,16,120,130,38,140,150,16,16,130,160,170) 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
if (.not.(char1.eq.slash.and.lin(lpt(4)).eq.slash)) then
call error(16)
return
endif
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 .and. abs(rstk(pt)).ne.808 ) 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. ids(1,pt).ne.iselect) 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.ids(1,pt).eq.iselect) .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
if(char1.eq.lparen) then
fin=0
fun=0
return
endif
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
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 in a macro an execstr or external
if(pt.gt.1) then
if(rstk(pt-1).eq.1002) then
c . abort in syncexec, make current parser finish
fin = 4
fun = 99
macr=macr-1
lct(8) = 0
lct(4)=pstk(pt)
pt = pt-1
goto 999
elseif(rstk(pt-1).ne.903.and.rstk(pt-1).ne.909.and.
$ rstk(pt-1).ne.706) then
c . abort in a macro
bot = lin(k+5)
endif
else
c . abort in a macro
bot = lin(k+5)
endif
elseif (rstk(pt) .eq. 503) then
if (rio .eq. rte) then
c . abort in a pause
rio = pstk(pt-1)
paus = paus - 1
bot = lin(k+5)
else
c . abort in an exec
mode(1)=0
call clunit(-rio,buf,mode)
rio = pstk(pt-1)
endif
endif
elseif (rstk(pt) .eq. 1001) then
c . abort in an external unstack it
niv=niv-1
endif
goto 121
122 continue
lct(8) = 0
fin = 4
comp(1) = 0
if (niv .gt. 0) err = 9999999
goto 999
C
C break, continue
C------
130 continue
kcmd=k
c if special compilation mode skip comands
if (comp(3).eq.1) then
fin=0
fun=0
return
endif
if(kcmd.eq.kcont) then
C compilation de continue:<13>
if(compil(28,0,0,0,0)) return
else
C compilation de break:<13>
if (compil(13,0,0,0,0)) return
endif
count = 0
pt = pt + 1
131 pt = pt - 1
if (pt .eq. 0) then
pt = 1
call putid(ids(1,pt),cmd(1,kcmd))
call error(72)
return
endif
C
ir = rstk(pt) / 100
c 96
if (ir .eq. 5) then
call putid(ids(1,pt),cmd(1,kcmd))
call error(72)
return
endif
c
if (ir .ne. 8) goto 131
count = count + 1
if (rstk(pt) .eq. 802) then
C . break or continue in a for loop
if (kcmd.eq.kbrk) then
top = top - 1
pt = pt - 2
endif
elseif(ids(1,pt).eq.iselect) then
c . discard select variable
top = top - 1
goto 131
elseif (ids(1,pt).eq.iwhile) then
C . break or continue in a while
if (kcmd.eq.kbrk) pt = pt - 1
elseif (int(rstk(pt)/100) .eq. 5) then
call putid(ids(1,pt),cmd(1,kcmd))
call error(72)
return
else
goto 131
endif
132 continue
c call getsym
call skpins(1)
count = count - 1
if (count .gt. 0) goto 132
C char1=blank
if (kcmd.eq.kbrk) then
fin = 1
else
fin = -10
endif
return
150 if (eqid(id,func)) then
c . inline function definition
call getfunction
if(err.gt.0) return
call getsym
rhs=2
c if (.false.) then
c c . next lines for compilation option
c top=top+1
c if (.not.cresmat("getfunction",top,1,1,1)) return
c l=iadr(lstk(top))+6
c istk(l)=23
c rhs=3
c endif
c .
lhs=1
fun=5
fin=11
go to 999
endif
c
160 continue
c try
fin = -18
goto 999
c
170 continue
c catch
fin = -19
goto 999
C
C
C fin
C ---
C
998 continue
fin = 0
call getsym
fin = 1
C
999 continue
lunit = 0
end
|
