File: sci_feval.sci

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function [tree]=sci_feval(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab feval()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Emulation function: mtlb_feval()
// V.C.

set_infos("Verify that expression evaluated by execstr() is Scilab compatible",2)

RHS="("
for k=2:rhs
  if k<>2 then
    RHS=RHS+","
  end
  if typeof(tree.rhs(k))=="cste" then
    RHS=RHS+string(tree.rhs(k).value)
  else
    RHS=RHS+rhs2code(tree.rhs(k))
  end
end
RHS=RHS+")"
RHS=Operation("+",list(tree.rhs(1),Cste(RHS)),list())

if lhs==1 then
  tree.name="evstr"
  tree.rhs=list(RHS)
else
  tree.name="execstr"
  LHS="["
  for k=1:lhs
    if k>1 then
      LHS=LHS+","
    end
    LHS=LHS+tree.lhs(k).name
  end
  LHS=LHS+"]"

  tree.rhs=Rhs(Operation("+",list(Cste(LHS+" = "),RHS),list()))
  
  tree.lhs=list(Variable("ans",Infer()))
end
endfunction