Varjo now turns variables referenced inside nested funcs into implicit arguments

gistfile1.lisp

VARJO> (glsl-code
        (defshader test ()
          (let ((a 4) (b 20) (c 5))
            (labels ((test ((x :int))
                       (labels ((moo () (+ c b)))
                         (* x a (moo)))))
              (+ 1 2 3 4)
              (test 10)))
           (v! 1 2 3 4)))

;; compiles to

#version 330

int TEST_55V(int X_53V, int C_52V, int B_51V, int A_50V);
int MOO_54V(int C_52V, int B_51V);

int MOO_54V(int C_52V, int B_51V) {
    return (C_52V + B_51V);
}

int TEST_55V(int X_53V, int C_52V, int B_51V, int A_50V) {
    return (X_53V * (A_50V * MOO_54V(C_52V,B_51V)));
}

void main() {
    int A_50V = 4;
    int B_51V = 20;
    int C_52V = 5;
    (1 + (2 + (3 + 4)));
    TEST_55V(10,C_52V,B_51V,A_50V);
    gl_Position = vec4(1,2,3,4);
}