X-Git-Url: https://git.kianting.info/?a=blobdiff_plain;f=src%2Findex.js;h=38161302e9cc3f09f27c20b51adb4ec8800887ee;hb=fed01e9044149985b3df74a9225ce68805b8f478;hp=b73463e41eea5ab56ef0991ad1c7480b478ba233;hpb=ec563ca30f683cf8dcfd825c697913128f2a5445;p=clo

diff --git a/src/index.js b/src/index.js
index b73463e..3816130 100644
--- a/src/index.js
+++ b/src/index.js
@@ -22,175 +22,165 @@ var __importStar = (this && this.__importStar) || function (mod) {
     __setModuleDefault(result, mod);
     return result;
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.m1TType = void 0;
+exports.matchAny = exports.tkTreeToSExp = void 0;
 var fs = require('fs');
-const node_process_1 = require("node:process");
-const tk = __importStar(require("./tokenize.js"));
+const js_tokens_1 = __importDefault(require("js-tokens"));
 const util = __importStar(require("util"));
 /**
- * @description
- * match one token type.
  *
- * it returns a function which test if the type of first token of the `remained` part of
- *  the argument of the function is `typ` , if it's true, update the `TokenMatcheePair` wrapped
- * in `Some`. Otherwise, it returns `None`.
- *  * @param typ : the type to be test.
- * @returns the updated `TokenMatcheePair` wrapped in `Some(x)` or `None`.
+ * # REPRESENTATION
  */
-function m1TType(typ) {
-    return (m) => {
-        if (m.remained.length == 0) {
-            return { _tag: "None" };
-        }
-        /**
-         * token to be matched
-         * */
-        const ttbm = m.remained[0];
-        if (ttbm.type == typ) {
-            let new_matched = m.matched.concat(ttbm);
-            let result = {
-                _tag: "Some", value: {
-                    matched: new_matched,
-                    remained: m.remained.slice(1)
-                }
-            };
-            return result;
+/**
+ * convert a `tkTree` AST to S-expr string
+ * @param t the `tkTree`
+ * @returns S-expr String
+ */
+function tkTreeToSExp(t) {
+    var str = "";
+    if (Array.isArray(t)) {
+        let strArray = t.map((x) => tkTreeToSExp(x));
+        str = "(" + strArray.join(" ") + ")";
+    }
+    else {
+        if (t === undefined) {
+            str = "%undefined";
         }
         else {
-            return { _tag: "None" };
+            str = t.value;
         }
-    };
+    }
+    return str;
 }
-exports.m1TType = m1TType;
-;
-let toSome = tk.toSome;
-let thenDo = tk.thenDo;
-let zeroOrOnceDo = tk.zeroOrOnceDo;
-let orDo = tk.orDo;
-let zeroOrMoreDo = tk.zeroOrMoreDo;
-node_process_1.argv.forEach((val, index) => {
-    console.log(`${index}=${val}`);
-});
-let commandInput = "int a str b"; //argv[2];
-let commandInputTokenized = tk.tokenize(commandInput);
-let commandInputTokenizedFiltered = commandInputTokenized.filter((x) => {
-    return x.type != tk.TokenType.SP &&
-        x.type != tk.TokenType.NL;
-});
-console.log("aaa: " + util.inspect(commandInputTokenizedFiltered, { showHidden: true, depth: null }));
+exports.tkTreeToSExp = tkTreeToSExp;
+/**inspect the inner of the representation. */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
 /**
- * matchee pair of commandInputTokenized
+ *
+ * # PARSER UNITS
  */
-let commandTPair = { matched: [],
-    remained: commandInputTokenizedFiltered };
-let tInt = m1TType(tk.TokenType.INT);
-let tFlo = m1TType(tk.TokenType.FLO);
-let tStr = m1TType(tk.TokenType.STR);
-let tId = m1TType(tk.TokenType.ID);
-let tApos = m1TType(tk.TokenType.APOS);
-function tBool(x) {
-    let text = x.remained[0].text;
-    if (text == "true" || text == "false") {
-        return thenDo(toSome(x), m1TType(tk.TokenType.ID));
+function toSome(x) {
+    return { _tag: "Some", value: x };
+}
+/**
+ * like `m ==> f` in ocaml
+ * @param m matchee wrapped
+ * @param f matching function
+ * @returns wrapped result
+ */
+function thenDo(m, f) {
+    if (m._tag == "None") {
+        return m;
+    }
+    else {
+        var a = f(m.value);
+        if (a._tag == "Some") {
+            a.value.ast = m.value.ast.concat(a.value.ast);
+        }
+        return a;
+    }
+}
+/**
+ *
+ * @param m : the `TokenPair` to be consumed.
+ * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 token
+ *  and wraps it in `Some`,
+ * otherwise, returns `None`.
+ */
+function matchAny(m) {
+    if (m.remained.length >= 1) {
+        return {
+            _tag: "Some", value: {
+                matched: m.matched.concat(m.remained[0]),
+                remained: m.remained.slice(1),
+                ast: [m.remained[0]],
+            }
+        };
     }
     else {
         return { _tag: "None" };
     }
 }
+exports.matchAny = matchAny;
 /**
- * define the right hand side of a grammar
- * eg. `LHS ::= a + b`
- * @param process  the right hand side processing : eg. `a + b` in `LHS`
- * @param arrange define the order (0 starting) of the elements of the result.
- * ast. : eg. `a + c` is `1 0 2` `(+ a c)`
- * @returns the processed ast.
+ * like `f1 | f2` in regex
+ * @param f1 the first tried function
+ * @param f2 the second tried function
+ * @returns wrapped result
  */
-function gramRHS(process, arrange) {
-    return (m) => {
-        let middle = process(m);
-        console.log("Middle" + util.inspect(middle, { showHidden: true, depth: null }));
-        if (middle._tag == "None") {
-            return middle;
+function orDo(f1, f2) {
+    return (x) => {
+        let res1 = f1(x);
+        if (res1._tag == "Some") {
+            return res1;
         }
         else {
-            let matched = middle.value.matched;
-            let arrLength = arrange.length;
-            let returnRrray = Array(arrange.length);
-            arrange.forEach((val, index) => {
-                returnRrray[arrange[index]] = matched[index];
-            });
-            let matchedTmp1Length = matched.length - arrLength;
-            console.log(matchedTmp1Length);
-            var matchedTmp1 = matched
-                .slice(0, matchedTmp1Length);
-            console.log("matchedTmp1" + util.inspect(matchedTmp1, { showHidden: true, depth: null }));
-            console.log("returnRrray" + util.inspect(returnRrray, { showHidden: true, depth: null }));
-            matchedTmp1.push(returnRrray);
-            let result = { _tag: "Some",
-                value: { matched: matchedTmp1,
-                    remained: middle.value.remained } };
-            return result;
+            let res2 = f2(x);
+            return res2;
         }
     };
 }
 /**
- * typeABS ::= "'" ID
- */
-var typeABS = (x) => {
-    var result = thenDo(thenDo(toSome(x), tApos), tId);
-    if (result._tag == "Some" && "text" in result.value.matched[1]) {
-        var realToken = result.value.matched[1];
-        realToken.text = "'" + realToken.text;
-        result.value.matched = [realToken];
-    }
-    return result;
-};
-/**
- * TypeId ::=  typeABS | ID
- */
-var typeName = (x) => {
-    return thenDo(toSome(x), orDo(typeABS, tId));
-};
-/**
- *  CONST ::= INT | STR | FLO | BOOL
- */
-/**
- * TODO: 要用 debugger 檢查分析問題
- */
-var constParser = gramRHS((x) => { return thenDo(toSome(x), orDo(orDo(orDo(tInt, tFlo), tStr), tBool)); }, [0]);
-/**
- * storing the tree
+ * like regex [^c]
+ * @param f input token function. one token only.
+ * @returns combined finction
  */
-var astTree = [];
-/**
- * TYPE_PAIR ::= TYP_ID ID
- */
-var typePair = (x) => {
-    let a = thenDo(thenDo(x.maybeTokens, typeName), tId);
-    if (a._tag == "Some") {
-        let matched = a.value.matched;
-        let slice = matched.slice(matched.length - 2);
-        console.log("slice" + slice);
-        let b = { maybeTokens: a, ast: slice };
-        return b;
-    }
-    else {
-        let b = { maybeTokens: a, ast: [] };
-        return b;
-    }
-};
+function notDo(f) {
+    return (x) => {
+        let res1 = f(x);
+        if (res1._tag == "Some") {
+            return { _tag: "None" };
+        }
+        else {
+            let res2 = matchAny(x);
+            return res2;
+        }
+    };
+}
+function matchToken(typeName, value) {
+    return (t) => {
+        let headToken = t.remained[0];
+        if (headToken.type != typeName) {
+            return { _tag: "None" };
+        }
+        else {
+            if (value === undefined || value == headToken.value) {
+                let newTokenPair = {
+                    matched: t.matched.concat(headToken),
+                    remained: t.remained.slice(1),
+                    ast: [headToken]
+                };
+                return { _tag: "Some", value: newTokenPair };
+            }
+            else {
+                return { _tag: "None" };
+            }
+        }
+        ;
+    };
+}
+;
 /**
- * function's arguments
- * FN_ARGS = TYPE_PAIR ("," TYPE_PAIR)+
+ *
+ * # TEST
  */
-var fnArgs = (x) => {
-    let wrapper = { maybeTokens: toSome(x), ast: [] };
-    let a = typePair(wrapper);
-    console.log("AAAAA" + util.inspect(a, { showHidden: true, depth: null }));
-    let abanibi = typePair(a);
-    console.log("ABNB" + util.inspect(abanibi, { showHidden: true, depth: null }));
-    return { maybeTokens: abanibi.maybeTokens, ast: [a.ast, abanibi.ast] };
+const tokens = Array.from((0, js_tokens_1.default)(`import; foo from\t 'bar';
+import * as util  from 'util';
+
+
+花非花，霧\\{非霧 。{{foo();}}下
+一句`));
+console.log("RESULT=" + repr(tokens));
+var mainTokenPair = {
+    matched: [],
+    remained: tokens,
+    ast: []
 };
-let tree = fnArgs(commandTPair);
-console.log("CHRANN" + util.inspect(tree, { showHidden: true, depth: null }));
+let a = thenDo(thenDo(toSome(mainTokenPair), matchToken('IdentifierName')), notDo(matchToken('Punctuator', ';')));
+console.log("RESULT=" + repr(a));
+if (a._tag == "Some") {
+    console.log("SEXP=" + tkTreeToSExp(a.value.ast));
+}