X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=code%2Fparse.js;h=9712809b40c5d7d608b48543eb4c5270cc4e6712;hp=e911aa42e59bc3fd882249d3d677bd25787866fd;hb=356cd0ed65c71922aecc155ddab88896c4e0629d;hpb=466e57fc9e1c65c5b8c092ca8be03a4c69031f16

diff --git a/code/parse.js b/code/parse.js
index e911aa42..9712809b 100644
--- a/code/parse.js
+++ b/code/parse.js
@@ -140,6 +140,9 @@ var make_parse = function () {
     symbol("(");
     symbol("\\").handler = lambda_handler;
     symbol("lambda").handler = lambda_handler;
+    symbol("\u03bb").handler = lambda_handler;
+    // symbol("\u2203").handler = exists_handler;
+    // symbol("\u2200").handler = forall_handler;
     symbol(".");
 
 	function make_constants() {
@@ -208,8 +211,18 @@ 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("W", make_lam2(u, v, make_app3(uu, vv, vv)));
+
+		// trush \uv.vu = CI = box
 		constant("T", make_lam2(u, v, make_app(vv, uu)));
+		// vireo \uvw.wuv = pair
+		constant("V", make_lam3(u, v, x, make_app3(xx, uu, vv)));
+		// warbler \uv.uvv = C(BM(BBT) = C(BS(C(BBI)I))I
+		constant("W", make_lam2(u, v, make_app3(uu, vv, vv)));
+		// mockingbird \u.uu = SII = omega
+		constant("M", make_lam(u, make_app(uu, uu)));
+		// lark \uv.u(vv) = CBM = BWB
+		constant("L", make_lam2(u, v, make_app(uu, make_app(vv, vv))));
+		// Y is SLL
 
 	}
 	make_constants();
@@ -234,8 +247,10 @@ var make_parse = function () {
             } else {
                 t.first = [];
                 while (token.arity === "name" || token.id === "\\") {
-		    if (token.id !== "\\") {t.first.push(n);}
-                    n = token;
+		    if (token.id !== "\\") {
+                      t.first.push(n);
+                      n = token;
+		    }
                     advance();
                 }
 				if (token.arity === "literal" && t.first.length === 0) {
@@ -293,7 +308,7 @@ var make_parse = function () {
         tokens = source.tokens();
         token_nr = 0;
         advance();
-        
+
         // let n = c in b
         // (\n. b) c
 
@@ -323,7 +338,7 @@ var make_parse = function () {
             target = t;
             advance("in");
         }
-    
+
         target.second = expression(false);
 
         advance("(end)");