added more combinators to parser

[lambda.git] / code / parse.js

diff --git a/code/parse.js b/code/parse.js
index e3940b4..08ac5f0 100644 (file)
--- a/code/parse.js
+++ b/code/parse.js
@@ -208,8 +208,16 @@ var make_parse = function () {
                constant("I", make_lam(x, xx));
                constant("B", make_lam3(u, v, x, make_app(uu, make_app(vv, xx))));
                constant("C", make_lam3(u, v, x, make_app3(uu, xx, vv)));
                constant("I", make_lam(x, xx));
                constant("B", make_lam3(u, v, x, make_app(uu, make_app(vv, xx))));
                constant("C", make_lam3(u, v, x, make_app3(uu, xx, vv)));

-               constant("W", make_lam2(u, v, make_app3(uu, vv, vv)));
+
+               // trush \uv.vu = CI

                constant("T", make_lam2(u, v, make_app(vv, uu)));
                constant("T", make_lam2(u, v, make_app(vv, uu)));

+               // mockingbird \u.uu = SII
+               constant("M", make_lam(u, make_app(uu, uu)));
+               // warbler \uv.uvv = C(BM(BBT) = C(BS(C(BBI)I))I
+               constant("W", make_lam2(u, v, make_app3(uu, vv, vv)));
+               // lark \uv.u(vv) = CBM = BWB
+               constant("L", make_lam2(u, v, make_app(uu, make_app(vv, vv))));
+               // Y is SLL

 
        }
        make_constants();
 
        }
        make_constants();