return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.m1TType = void 0;
+exports.tkTreeToSExp = void 0;
var fs = require('fs');
-const node_process_1 = require("node:process");
-const tk = __importStar(require("./tokenize.js"));
const util = __importStar(require("util"));
+const p = __importStar(require("typescript-parsec"));
/**
- * @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;
- }
- else {
- return { _tag: "None" };
- }
- };
-}
-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 }));
/**
- * matchee pair of commandInputTokenized
+ * convert a `tkTree` AST to S-expr string
+ * @param t the `tkTree`
+ * @returns S-expr String
*/
-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 tkTreeToSExp(t) {
+ var str = "";
+ if (Array.isArray(t)) {
+ let strArray = t.map((x) => tkTreeToSExp(x));
+ str = "(" + strArray.join(" ") + ")";
}
else {
- return { _tag: "None" };
- }
-}
-/**
- * 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.
- */
-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;
+ if (t === undefined) {
+ str = "%undefined";
}
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;
+ str = t;
}
- };
-}
-/**
- * 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]);
+ return str;
+}
+exports.tkTreeToSExp = tkTreeToSExp;
+/**inspect the inner of the representation. */
+let repr = (x) => { return util.inspect(x, { depth: null }); };
+var TokenKind;
+(function (TokenKind) {
+ TokenKind[TokenKind["Seperator"] = 0] = "Seperator";
+ TokenKind[TokenKind["Semicolon"] = 1] = "Semicolon";
+ TokenKind[TokenKind["Number"] = 2] = "Number";
+ TokenKind[TokenKind["Op"] = 3] = "Op";
+ TokenKind[TokenKind["ExprMark"] = 4] = "ExprMark";
+ TokenKind[TokenKind["Paren"] = 5] = "Paren";
+ TokenKind[TokenKind["SpaceNL"] = 6] = "SpaceNL";
+ TokenKind[TokenKind["Id"] = 7] = "Id";
+ TokenKind[TokenKind["Str"] = 8] = "Str";
+})(TokenKind || (TokenKind = {}));
/**
- * storing the tree
+ * Parsing
*/
-var astTree = [];
+const lexer = p.buildLexer([
+ [true, /^\d+(\.\d+)?/g, TokenKind.Number],
+ [true, /^\;/g, TokenKind.Semicolon],
+ [true, /^[-][-][-]/g, TokenKind.Seperator],
+ [true, /^[\+\-\*\/\&\|\!\^\<\>\~\=\?]+/g, TokenKind.Op],
+ [true, /^\@+/g, TokenKind.ExprMark],
+ [true, /^[()\[\]{}]/g, TokenKind.Paren],
+ [true, /^["]([\"]|[\\].)*["]/g, TokenKind.Str],
+ [true, /^[']([\']|[\\].)*[']/g, TokenKind.Str],
+ [true, /^[()\[\]{}]/g, TokenKind.Paren],
+ [true, /^[^\s\n\t\r;]+/g, TokenKind.Id],
+ [false, /^(\s|\n|\r|\t)+/g, TokenKind.SpaceNL]
+]);
/**
- * 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'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] };
-};
-let tree = fnArgs(commandTPair);
-console.log("CHRANN" + util.inspect(tree, { showHidden: true, depth: null }));
+const inputTxt = `import ast;
+---
+122`;
+const PROG = p.rule();
+const UNIT = p.rule();
+const IMPORTS = p.rule();
+const SEMICOLON = p.rule();
+let doubleMinus = { type: 'Punctuator', value: '--' };
+let doubleMinus2 = p.str('--');
+const TERM = p.rule();
+function applyUnit(value) {
+ return value.text;
+}
+function applySemiColon(value) {
+ return value.text;
+}
+function applyParts(first, second) {
+ return ["%clo", first, second[1]];
+}
+PROG.setPattern(p.lrec_sc(IMPORTS, p.seq(p.str('---'), UNIT), applyParts));
+function applyImports(input) {
+ let importTail = input[1].map(x => x.text);
+ return ["import"].concat(importTail);
+}
+;
+IMPORTS.setPattern(p.apply(p.seq(p.str('import'), p.rep_sc(p.tok(TokenKind.Id)), SEMICOLON), applyImports));
+SEMICOLON.setPattern(p.apply(p.tok(TokenKind.Semicolon), applySemiColon));
+UNIT.setPattern(p.apply(p.tok(TokenKind.Number), applyUnit));
+let tree = p.expectSingleResult(p.expectEOF(PROG.parse(lexer.parse(inputTxt))));
+console.log("RESULT=" + tkTreeToSExp(tree));
projects / clo / blobdiff