fix issue #1

[clo] / src / index.js

diff --git a/src/index.js b/src/index.js
index c4e40d8144645f38df2c4906e706d9d60fbec161..71b98d97f49e59efd1eb9a667b6f0afa9c595911 100644 (file)
--- a/src/index.js
+++ b/src/index.js
@@ -187,6 +187,7 @@ function matchAny(m) {
 }
 exports.matchAny = matchAny;
 /**
+ * Danger : Maybe it's not enough to work.
 * @description repeating matching function `f`
 * zero or more times, like the asterisk `*` in regex `f*` .
 * @param f : the function to be repeated 0+ times.
@@ -239,9 +240,6 @@ let circumfix = (f, signal) => (x) => {
     }
     return a;
 };
-/**
- * TODO: 12(13)(14) only parsed with only 12(13)
- */
 /** single1 = tInt | "(" expr ")"*/
 let single1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), expr), tRParen), "fac1");
 let single2 = tInt;
@@ -252,27 +250,91 @@ let single = orDo(single1, single2);
  * func = single |  func_aux ( int )
  *
 */
-/** fac = single ["(" single ")"]?  | single */
-let fac1Appliee = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "fac1");
+/** callees = "(" args ")" | "(" ")" */
+let callees1 = circumfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tLParen), tInt), tRParen), "callees1");
+let callees2 = (x) => {
+    let ret = thenDo(thenDo(tk.toSome(x), tLParen), tRParen);
+    if (ret._tag == "Some") {
+        let new_ast = [[]];
+        ret.value.ast = new_ast;
+    }
+    return ret;
+};
+let callees = orDo(callees1, callees2);
+/** %apply R combinating token */
+let applyToken = {
+    text: "%apply",
+    type: tk.TokenType.ID,
+    col: 0,
+    ln: 0,
+};
+/** facAux = callees facAux |  callees */
+let facAux1 = (x) => {
+    var ret = thenDo(thenDo(tk.toSome(x), callees), facAux);
+    if (ret._tag == "Some") {
+        console.log("1232345" + repr(tkTreeToSExp(ret.value.ast[ret.value.ast.length - 1])));
+        let last1 = ret.value.ast[ret.value.ast.length - 1];
+        let last2 = ret.value.ast[ret.value.ast.length - 2];
+        let b = [applyToken];
+        ret.value.ast = [b.concat([last2, last1])];
+        console.log("11111" + repr(tkTreeToSExp(ret.value.ast)));
+    }
+    ;
+    return ret;
+};
+let facAux2 = callees;
+let facAux = orDo(facAux1, facAux2);
+/** fac = single facAux | single
+ * Issue1 to be fixed.
+ */
 let fac1 = (x) => {
-    let raw = thenDo(thenDo(toSome(x), single), OnceOrMoreDo(fac1Appliee));
-    if (raw._tag == "Some") {
-        var result = raw.value.ast[0];
-        let applyToken = { text: '%apply', ln: 0, col: 0 };
-        for (var i = 1; i < raw.value.ast.length; i++) {
-            result = [applyToken, result, raw.value.ast[i]];
-        }
-        if (!Array.isArray(result)) {
-            raw.value.ast = [result];
-        }
-        else {
-            raw.value.ast = result;
-        }
+    var ret = thenDo(thenDo(tk.toSome(x), single), facAux);
+    if (ret._tag == "Some") {
+        console.log("777" + repr(tkTreeToSExp(ret.value.ast)));
+        ret.value.ast = [applyToken, ret.value.ast[ret.value.ast.length - 2],
+            ret.value.ast[ret.value.ast.length - 1]];
+        ret.value.ast;
+        rearrangeTree(ret.value.ast);
+        console.log("888" + repr(tkTreeToSExp(ret.value.ast)));
     }
-    return raw;
+    return ret;
 };
 let fac2 = single;
 let fac = orDo(fac1, fac2);
+/**
+ * rearrangeTree : for applyToken subtree from right-combination to
+ * left-combination
+ * @input x a ast
+ * @return another ast
+ */
+function rearrangeTree(x) {
+    if (x !== undefined) {
+        for (var i = 1; i < x.length; i++) {
+            rearrangeTree(x[i]);
+        }
+        console.log("@@" + repr(x[0]));
+        if (x[0] == applyToken) {
+            if (Array.isArray(x[2]) && x[2][0] == applyToken) {
+                let rl = rearrangeTree(x[2][1]);
+                let rr = rearrangeTree(x[2][2]);
+                let l = rearrangeTree(x[1]);
+                x[0] = applyToken;
+                x[1] = [applyToken, l, rl];
+                x[2] = rr;
+                console.log("@@==" + repr(x));
+                return x;
+            }
+            else {
+                x[0] = applyToken;
+                x[1] = rearrangeTree(x[1]);
+                x[2] = rearrangeTree(x[2]);
+                console.log("@@==" + repr(x));
+                return x;
+            }
+        }
+        return x;
+    }
+}
 /**
  *
  * term1 = fac (MUL | DIV) fac
@@ -303,7 +365,7 @@ let expr = orDo(expr1, expr2);
 let tokens = tk.tokenize("1");
 let tokens2 = tk.tokenize("1(2)");
 let tokens3 = tk.tokenize("1(2)(3)");
-let tokens4 = tk.tokenize("(3(2))*2+1");
+let tokens4 = tk.tokenize("2()");
 //let tokens = tk.tokenize("(4-(3/4))");
 //tk.tokenize(argv[2]);
 let tokensFiltered = tokens4.filter((x) => {
@@ -316,6 +378,7 @@ let beta = expr({
     ast: []
 });
 if (beta._tag == "Some") {
+    beta.value.ast = rearrangeTree(beta.value.ast);
     console.log(tkTreeToSExp(beta.value.ast));
 }
 console.log("RESULT=" + repr(beta));