ツリー変換用の関数
p = macr2tree(function)
handle of a Scilab macro (not its name as a string)
List of type program with the fields
p.name, p.nblines,
p.inputs, p.outputs, and
p.statements. The 3 last ones are nested lists
describing the internal code of the function.
このプリミティブは, コンパイル済みの Scilab 関数function-name
を関数を内部表現にコード化したツリー (鱗状のtlists)に変換します.
tree2code()と共に使用します.
prog = macr2tree(log2); // Note that the input is log2, not "log2" typeof(prog) fieldnames(prog)' prog.name deftxt = tree2code(prog, %T); printf("%s\n", deftxt); | ![]() | ![]() |
--> typeof(prog)
ans =
program
--> fieldnames(prog)'
ans =
!name outputs inputs statements nblines !
--> prog.name
ans =
log2
--> deftxt = tree2code(prog, %T);
--> printf("%s\n", deftxt);
function [f,e] = log2(x)
[lhs,rhs] = argn(0)
if rhs<>1 then
msg = gettext("%s: Wrong number of input argument(s): %d expected.\n")
error(msprintf(msg, "log2", 1))
end
if argn(1)==1 then
f = log(x)/log(2)
else
[f,e] = frexp(x)
end
endfunction