const node_process_1 = require("node:process");
const tk = __importStar(require("./tokenize.js"));
const util = __importStar(require("util"));
+/**
+ * debug reprensenting
+ */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
+/**
+ * concated 2 `tkTree`s
+ * @param x the array to be concated
+ * @param y the item or array to ve concated
+ * @returns concated tkTree array, or thrown error if can't be concated.
+ */
+function concat(x, y) {
+ if (Array.isArray(x)) {
+ return x.concat(y);
+ }
+ else {
+ throw new Error("the tkTree can't be concated, because it's not an array.");
+ }
+}
+function slice(x, index, end) {
+ if (Array.isArray(x)) {
+ return x.slice(index, end);
+ }
+ else {
+ throw new Error("the tkTree can't be concated, because it's not an array.");
+ }
+}
/**
* @description
* match one token type.
let result = {
_tag: "Some", value: {
matched: new_matched,
- remained: m.remained.slice(1)
+ remained: m.remained.slice(1),
+ ast: ([ttbm]),
}
};
return result;
}
exports.m1TType = m1TType;
;
-let toSome = tk.toSome;
-let thenDo = tk.thenDo;
-let zeroOrOnceDo = tk.zeroOrOnceDo;
-let orDo = tk.orDo;
-let zeroOrMoreDo = tk.zeroOrMoreDo;
+/**
+ * type int
+ */
+let tInt = m1TType(tk.TokenType.INT);
+let tAdd = m1TType(tk.TokenType.I_ADD);
+let tMul = m1TType(tk.TokenType.I_MUL);
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 }));
/**
- * matchee pair of commandInputTokenized
+ * like `m ==> f` in ocaml
+ * @param m matchee wrapped
+ * @param f matching function
+ * @returns wrapped result
*/
-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 thenDo(m, f) {
+ if (m._tag == "None") {
+ return m;
}
else {
- return { _tag: "None" };
+ var a = f(m.value);
+ if (a._tag == "Some") {
+ a.value.ast = concat(m.value.ast, a.value.ast);
+ }
+ return a;
}
}
/**
- * 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];
+let midfix = (f, signal) => (x) => {
+ var a = f(x);
+ if (a._tag == "Some") {
+ let ast_head = slice(a.value.ast, 0, a.value.ast.length - 3);
+ let ast_tail = slice(a.value.ast, a.value.ast.length - 3);
+ let new_ast = [ast_tail];
+ a.value.ast = new_ast;
+ console.log("+" + signal + "+" + repr(a));
}
- return result;
+ return a;
};
/**
- * TypeId ::= typeABS | ID
+ *
+ * fac1 = int MUL int
*/
-var typeName = (x) => {
- return thenDo(toSome(x), orDo(typeABS, tId));
+//let fac1 = midfix((x : TokenMatcheePair)=>
+// thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), tInt));
+let fac1 = (x) => {
+ let a = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), tInt), tMul), tInt), "fac1")(x);
+ return a;
};
/**
- * CONST ::= INT | STR | FLO | BOOL
+ *
+ * fac2 = int MUL int
*/
+let fac2 = tInt;
/**
- * TODO: 要用 debugger 檢查分析問題
+ * fac = fac1 | fac2
*/
-var constParser = gramRHS((x) => { return thenDo(toSome(x), orDo(orDo(orDo(tInt, tFlo), tStr), tBool)); }, [0]);
+let fac = orDo(fac1, fac2);
/**
- * storing the tree
+ *
+ * expr1 = fac ADD fac
*/
-var astTree = [];
+let expr1 = midfix((x) => thenDo(thenDo(thenDo(tk.toSome(x), fac), tAdd), fac), "expr1");
/**
- * TYPE_PAIR ::= TYP_ID ID
+ * expr2 = fac
*/
-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;
- }
-};
+let expr2 = fac;
/**
- * function's arguments
- * FN_ARGS = TYPE_PAIR ("," TYPE_PAIR)+
+ * expr = expr1 | expr2
*/
-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] };
-};
-let tree = fnArgs(commandTPair);
-console.log("CHRANN" + util.inspect(tree, { showHidden: true, depth: null }));
+let expr = orDo(expr1, expr2);
+let tokens = tk.tokenize("2+3"); //tk.tokenize(argv[2]);
+let tokensFiltered = tokens.filter((x) => {
+ return (x.type != tk.TokenType.NL
+ && x.type != tk.TokenType.SP);
+});
+let wrappedTokens = tk.toSome({
+ matched: [],
+ remained: tokensFiltered,
+ ast: []
+});
+let beta = expr({
+ matched: [],
+ remained: tokensFiltered,
+ ast: []
+});
+console.log(repr(wrappedTokens));
+console.log(repr(beta));
projects / clo / blobdiff