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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2002-2004 - INRIA - Vincent COUVERT
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
function [tree]=sci_fgets(tree)
// M2SCI function
// Conversion function for Matlab fgets()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
if rhs==2 then
tree.name="mgetstr"
tree.rhs=Rhs_tlist(tree.rhs(2),tree.rhs(1))
if typeof(tree.rhs(1))=="cste" then
tree.lhs(1).dims=list(1,tree.rhs(1).value)
else
tree.lhs(1).dims=list(1,Unknown)
end
tree.lhs(1).type=Type(String,Real)
else
tree.name="mgetl"
tree.lhs(1).dims=list(1,Unknown)
tree.rhs(2)=Cste(1)
// Add a case for the end of file
// fgets returns -1
// mgetl returns []
outputvar = tree.lhs(1);
tempvar = %F;
if typeof(outputvar)=="variable" & outputvar.name=="ans" then
outputvar = gettempvar();
tempvar = %T;
end
// if isempty(outputvar) then outputvar=-1; end
isemptyfuncall = Funcall("isempty", 1, list(outputvar), list());
newvalue = Equal(list(outputvar), Cste(-1));
// If the result is not assigned to a variable then a temporary variable is returned
if tempvar then
// Assign result to tmp
insert(Equal(list(outputvar), tree));
// Just add the test for EOF
insert(tlist(["ifthenelse","expression","then","elseifs","else"],isemptyfuncall, list(newvalue),list(),list()));
tree = outputvar;
tree.type = Type(Unknown,Real);
else // Just add the test for EOF
insert(tlist(["ifthenelse","expression","then","elseifs","else"],isemptyfuncall, list(newvalue),list(),list()), 1);
tree.lhs(1).type=Type(Unknown,Real)
end
end
endfunction
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