--- /dev/null
+export {};
"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+ if (k2 === undefined) k2 = k;
+ var desc = Object.getOwnPropertyDescriptor(m, k);
+ if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+ desc = { enumerable: true, get: function() { return m[k]; } };
+ }
+ Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+ if (k2 === undefined) k2 = k;
+ o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+ Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+ o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+ if (mod && mod.__esModule) return mod;
+ var result = {};
+ if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+ __setModuleDefault(result, mod);
+ return result;
+};
Object.defineProperty(exports, "__esModule", { value: true });
-exports.tokenize = exports.zeroOrOnceDo = exports.notDo = exports.zeroOrMoreDo = exports.orDo = exports.thenDo = exports.charToCodepoint = exports.matchRange = exports.matchAny = exports.match1Char = exports.TokenType = void 0;
+exports.match1token = void 0;
var fs = require('fs');
-/**
- * wrap a x in a `Some(T)`
- * @param x : variable to be wrapped.
- * @returns wrapped `x`.
- */
-function toSome(x) {
- return { _tag: "Some", value: x };
-}
-/**
- * The types of Token
- * NL, // newline
- *
- * SP, // half-width space and tab
- *
- * ID, // identifier
- *
- * STR, // string
- *
- * OP, // operator or something like it
- *
- * FLO, // float num
- *
- * INT, // integer
- *
- * I_* // integer manipulation
- *
- * F_* // float manipulation
- *
- * SEMI_C// semi-colon
- */
-var TokenType;
-(function (TokenType) {
- TokenType[TokenType["NL"] = 0] = "NL";
- TokenType[TokenType["SP"] = 1] = "SP";
- TokenType[TokenType["ID"] = 2] = "ID";
- TokenType[TokenType["STR"] = 3] = "STR";
- TokenType[TokenType["FLO"] = 4] = "FLO";
- TokenType[TokenType["INT"] = 5] = "INT";
- TokenType[TokenType["F_ADD"] = 6] = "F_ADD";
- TokenType[TokenType["F_SUB"] = 7] = "F_SUB";
- TokenType[TokenType["F_MUL"] = 8] = "F_MUL";
- TokenType[TokenType["F_DIV"] = 9] = "F_DIV";
- TokenType[TokenType["I_ADD"] = 10] = "I_ADD";
- TokenType[TokenType["I_SUB"] = 11] = "I_SUB";
- TokenType[TokenType["I_MUL"] = 12] = "I_MUL";
- TokenType[TokenType["I_DIV"] = 13] = "I_DIV";
- TokenType[TokenType["L_PAREN"] = 14] = "L_PAREN";
- TokenType[TokenType["R_PAREN"] = 15] = "R_PAREN";
- TokenType[TokenType["L_BRACK"] = 16] = "L_BRACK";
- TokenType[TokenType["R_BRACK"] = 17] = "R_BRACK";
- TokenType[TokenType["L_BRACE"] = 18] = "L_BRACE";
- TokenType[TokenType["R_BRACE"] = 19] = "R_BRACE";
- TokenType[TokenType["COMMA"] = 20] = "COMMA";
- TokenType[TokenType["DOT"] = 21] = "DOT";
- TokenType[TokenType["COLON"] = 22] = "COLON";
- TokenType[TokenType["SEMI_C"] = 23] = "SEMI_C";
- TokenType[TokenType["AT"] = 24] = "AT";
- TokenType[TokenType["HASH"] = 25] = "HASH";
- TokenType[TokenType["EQ"] = 26] = "EQ";
- TokenType[TokenType["SET"] = 27] = "SET";
- TokenType[TokenType["GT"] = 28] = "GT";
- TokenType[TokenType["LT"] = 29] = "LT";
- TokenType[TokenType["GE"] = 30] = "GE";
- TokenType[TokenType["LE"] = 31] = "LE";
- TokenType[TokenType["R_ARROW"] = 32] = "R_ARROW";
-})(TokenType || (exports.TokenType = TokenType = {}));
+const tk = __importStar(require("./tokenize.js"));
+let b = tk.tokenize("2+2");
/**
* @description
* it returns a function which test if the first char of the `remained` part of
* the argument of the function is `c`, if it's true, update the `MatchedPair` wrapped
* in `Some`. Otherwise, it returns `None`.
- * * @param c : the char to be test.
+ * * @param t : the char to be test.
* @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
*/
-function match1Char(c) {
+function match1token(t) {
return (m) => {
if (m.remained.length == 0) {
return { _tag: "None" };
}
- const charToBeMatched = m.remained[0];
- if (charToBeMatched === c) {
- return { _tag: "Some", value: {
- matched: m.matched + charToBeMatched,
- remained: m.remained.substring(1)
- } };
- }
- else {
- return { _tag: "None" };
- }
- };
-}
-exports.match1Char = match1Char;
-;
-/**
- *
- * @param m : the `MatcheePair` to be consumed.
- * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 char and wraps it in `Some`,
- * otherwise, returns `None`.
- */
-function matchAny(m) {
- if (m.remained.length >= 1) {
- return { _tag: "Some", value: {
- matched: m.matched + m.remained[0],
- remained: m.remained.substring(1)
- } };
- }
- else {
- return { _tag: "None" };
- }
-}
-exports.matchAny = matchAny;
-/**
- * @description
- * it returns a function which test if the first char of the `remained` part of
- * the argument of the function is between `l` and `u`, if it's true, update the `MatchedPair` wrapped
- * in `Some`. Otherwise, it returns `None`.
- * * @param l : lower bound char, 1-char string
- * * @param u : upper bound char, 1-char string
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
- */
-function matchRange(l, u) {
- let lCodepoint = charToCodepoint(l);
- let uCodepoint = charToCodepoint(u);
- if (l > u) {
- throw new Error("Error: the codepoint of `" + l + "` is not smaller than `" + u + "`)");
- }
- return (m) => {
- if (m.remained.length < 1) {
- return { _tag: "None" };
- }
- const charToBeMatched = m.remained[0];
- const codePointToBeMatched = charToCodepoint(charToBeMatched);
- if (codePointToBeMatched >= lCodepoint && codePointToBeMatched <= uCodepoint) {
- return { _tag: "Some", value: {
- matched: m.matched + charToBeMatched,
- remained: m.remained.substring(1)
- } };
+ const tokenToBeMatched = m.remained[0];
+ if (tokenToBeMatched === t) {
+ m.matched.push(tokenToBeMatched);
+ return {
+ _tag: "Some", value: {
+ matched: m.matched,
+ remained: m.remained.slice(1)
+ }
+ };
}
else {
return { _tag: "None" };
}
};
}
-exports.matchRange = matchRange;
+exports.match1token = match1token;
;
-/**
- * convert the one-char string to codepoint.
- * @param s : the string to code point.
- * @returns if `s.length > 1` return error; otherwise, return the codepoint of `s`.
- */
-function charToCodepoint(s) {
- if (s.length > 1) {
- throw new Error("Error: the length of input string for " + s + "is " + s.length + `,
- however, it should be 1.`);
- }
- else {
- return s.charCodeAt(0);
- }
-}
-exports.charToCodepoint = charToCodepoint;
-/**
- * @description thendo(input, f, ...) like
- * a ==> f
- * @param input: the wrapped input.
- * @param f: the function to be applied.
- *
- * @returns:the applied wrapped result `MatcheePair`.
- */
-function thenDo(input, f) {
- if (input._tag == "None") {
- return input;
- }
- else {
- let inner = input.value;
- return f(inner);
- }
-}
-exports.thenDo = thenDo;
-/**
- * @description "or", like the regex `( f1 | f2 )` .
- * It returns a function `f` of which the argument is`x`.
- * if `f1(x)` is None, then `f` returns `f2(x)`. Otherwise,
- * `F` returns `f1(x)`.
- * @param f1 : 1st function to be compared
- * @param f2 : 2nd function to be compared
- * @returns:the combined function
- */
-function orDo(f1, f2) {
- return (x) => {
- let f1x = (f1(x));
- {
- if (f1x._tag == "None") {
- return f2(x);
- }
- else {
- return f1x;
- }
- }
- };
-}
-exports.orDo = orDo;
-/**
-* @description repeating matching function `f`
-* zero or more times, like the asterisk `*` in regex `f*` .
-* @param f : the function to be repeated 0+ times.
-* @returns:the combined function
-*/
-function zeroOrMoreDo(f) {
- return (x) => {
- var wrapped_old_x = { _tag: "Some", value: x };
- var wrapped_new_x = wrapped_old_x;
- while (wrapped_new_x._tag != "None") {
- wrapped_old_x = wrapped_new_x;
- wrapped_new_x = thenDo(wrapped_old_x, f);
- }
- ;
- return wrapped_old_x;
- };
-}
-exports.zeroOrMoreDo = zeroOrMoreDo;
-/**
-* @description Not. like the `^` inside regex of [^f].
-* returns a function `F(x)` such that if `f(x)` is `None`,
-* returns the x consuming a char; if `f(x)` is not None, F(x)
-* returns `None`.
-* @param f: the function forbidden to be matched.
-* @returns: combined function `F`.
-*/
-function notDo(f) {
- return (x) => {
- let wrapped_x = {
- _tag: "Some",
- value: x
- };
- let f_x = thenDo(wrapped_x, f);
- if (f_x._tag != "None") {
- return { _tag: "None" };
- }
- else {
- return thenDo(wrapped_x, matchAny);
- }
- };
-}
-exports.notDo = notDo;
-/**
- * if `x` is matched by `f` once, returns `f(x)`. Otherwise,
- * returns x
- * similar to `?` in regex `f?`.
- * @param f : the function to be matched
- * @returns return wrapped f(x)
- */
-function zeroOrOnceDo(f) {
- return (x) => {
- var wrapped_old_x = { _tag: "Some", value: x };
- var wrapped_new_x = thenDo(wrapped_old_x, f);
- if (wrapped_new_x._tag != "None") {
- return wrapped_new_x;
- }
- else {
- return wrapped_old_x;
- }
- };
-}
-exports.zeroOrOnceDo = zeroOrOnceDo;
-function tokenize(input) {
- var input_matchee_pair = toSome({ matched: "",
- remained: input });
- /**
- * generate a parser of a basic term (b_term)
- * @param pattern : the pattern parser
- * @param token_type : the returning token type
- * @returns a wrapped parser.
- */
- function bTerm(pattern, token_type) {
- return (x) => {
- let wrapped_x = toSome(x);
- let result = pattern(wrapped_x);
- if (result._tag == "Some") {
- result.value.matched_type = token_type;
- }
- return result;
- };
- }
- let d = matchRange('0', '9'); // \d
- // [+-]
- let plusMinus = orDo(match1Char('+'), match1Char('-'));
- let s_aux = orDo(match1Char(' '), match1Char('\t')); // (" " | "\t")
- // integer = ([+]|[-])?\d\d*
- let integer = bTerm((x) => thenDo(thenDo(thenDo(x, zeroOrOnceDo(plusMinus)), d), zeroOrMoreDo(d)), TokenType.INT);
- // space = [ \t]+
- let space = bTerm((x) => thenDo(thenDo(x, s_aux), zeroOrMoreDo(s_aux)), TokenType.INT);
- // newline = \r?\n
- let newline = bTerm((x) => thenDo(thenDo(x, zeroOrOnceDo(match1Char('\r'))), match1Char('\n')), TokenType.NL);
- // [_A-Za-z]
- let idHead = orDo(orDo(matchRange('a', 'z'), matchRange('A', 'Z')), match1Char('_'));
- let idRemained = orDo(idHead, matchRange('0', '9')); // [_A-Za-z0-9]
- // id = [_A-Za-z][_A-Za-z0-9]*
- let id = bTerm((x) => thenDo(thenDo(x, idHead), zeroOrMoreDo(idRemained)), TokenType.ID);
- let doublequote = match1Char("\"");
- // [\\][\"]
- let escapeReverseSlash = (x) => thenDo(thenDo(toSome(x), match1Char("\\")), doublequote);
- // ([\\]["]|[^\"])*
- let stringInnerPattern = zeroOrMoreDo(orDo(escapeReverseSlash, notDo(match1Char("\""))));
- // str = ["]([\\]["]|[^"])*["]
- let str = bTerm((x) => thenDo(thenDo(thenDo(x, doublequote), stringInnerPattern), doublequote), TokenType.STR);
- // float = [+-]?\d+[.]\d+
- function floatPattern(x) {
- return thenDo(thenDo(thenDo(thenDo(thenDo(thenDo(x, zeroOrOnceDo(plusMinus)), d), zeroOrMoreDo(d)), match1Char(".")), d), zeroOrMoreDo(d));
- }
- ;
- let float = bTerm(floatPattern, TokenType.FLO);
- // operators
- // +.
- let floatAdd = bTerm((x) => thenDo(thenDo(x, match1Char("+")), match1Char(".")), TokenType.F_ADD);
- // +.
- let floatSub = bTerm((x) => thenDo(thenDo(x, match1Char("-")), match1Char(".")), TokenType.F_SUB);
- // *.
- let floatMul = bTerm((x) => thenDo(thenDo(x, match1Char("*")), match1Char(".")), TokenType.F_MUL);
- // /.
- let floatDiv = bTerm((x) => thenDo(thenDo(x, match1Char("/")), match1Char(".")), TokenType.F_DIV);
- // ==
- let eq = bTerm((x) => thenDo(thenDo(x, match1Char("=")), match1Char("=")), TokenType.EQ);
- // >=
- let ge = bTerm((x) => thenDo(thenDo(x, match1Char(">")), match1Char("=")), TokenType.GE);
- // <=
- let le = bTerm((x) => thenDo(thenDo(x, match1Char("<")), match1Char("=")), TokenType.LE);
- // ->
- let rightArrow = bTerm((x) => thenDo(thenDo(x, match1Char("-")), match1Char(">")), TokenType.R_ARROW);
- /**
- * unary operator : generating the pattern of basic unary operator
- * @param char : uniry char for the operator
- * @param token_type : the corresponding token_type
- */
- function unaryOp(char, token_type) {
- return bTerm((x) => thenDo(x, match1Char(char)), token_type);
- }
- ;
- let intAdd = unaryOp('+', TokenType.I_ADD);
- let intSub = unaryOp('-', TokenType.I_SUB);
- let intMul = unaryOp('*', TokenType.I_MUL);
- let intDiv = unaryOp('/', TokenType.I_DIV);
- let lParen = unaryOp('(', TokenType.L_PAREN);
- let rParen = unaryOp(')', TokenType.R_PAREN);
- let lBracket = unaryOp('[', TokenType.L_BRACK);
- let rBracket = unaryOp(']', TokenType.R_BRACK);
- let lBrace = unaryOp('{', TokenType.L_BRACE);
- let rBrace = unaryOp('}', TokenType.R_BRACE);
- let comma = unaryOp(',', TokenType.COMMA);
- let dot = unaryOp('.', TokenType.DOT);
- let colon = unaryOp(':', TokenType.COLON);
- let semicolon = unaryOp(';', TokenType.SEMI_C);
- let at = unaryOp('@', TokenType.AT);
- let hash = unaryOp('#', TokenType.HASH);
- let set = unaryOp('=', TokenType.SET);
- let greaterthan = unaryOp('>', TokenType.GT);
- let lessthan = unaryOp('<', TokenType.LE);
- let term = (token_list, x) => {
- var ln = 1;
- var col = 0;
- var old_x = x;
- let term_list = [float, newline, space, integer, str, id,
- floatAdd, floatSub, floatMul, floatDiv,
- intAdd, intSub, intMul, intDiv,
- eq, ge, le, rightArrow,
- lParen, rParen, lBracket, rBracket, lBrace, rBrace,
- comma, dot, colon, semicolon, at, hash,
- set, greaterthan, lessthan];
- let term_aux = term_list.reduce((x, y) => orDo(x, y));
- var new_x = thenDo(old_x, term_aux);
- while (new_x._tag != "None") {
- if (new_x.value.matched_type != TokenType.NL) {
- col += new_x.value.matched.length;
- token_list.push({ text: new_x.value.matched,
- type: new_x.value.matched_type,
- ln: ln,
- col: col });
- }
- else {
- col = 0;
- ln += 1;
- token_list.push({ text: new_x.value.matched,
- type: new_x.value.matched_type,
- ln: ln,
- col: col });
- }
- old_x = toSome({ matched: "",
- remained: new_x.value.remained });
- new_x = thenDo(old_x, term_aux);
- }
- if (old_x.value.remained.length) {
- console.log(token_list);
- throw new Error("the code can't be tokenized is near Ln. " + ln + ", Col." + col
- + ", starting with " + old_x.value.remained.substring(0, 10));
- }
- return token_list;
- };
- console.log(term([], input_matchee_pair));
- // TODO: id, string, space, basic operator, 3 marks: @, {, }.
-}
-exports.tokenize = tokenize;
+let c = tk.toSome(b);
+console.log(thenDo(c, match1token(tk.tokenize("+")[0])));
-import { match } from "assert";
-
var fs = require('fs');
-export type Some<T> = { _tag: "Some"; value: T };
-export type None = {_tag: "None"};
-
+import * as tk from './tokenize.js';
-/**
- * wrap a x in a `Some(T)`
- * @param x : variable to be wrapped.
- * @returns wrapped `x`.
- */
-function toSome<T>(x: T): Some<T>{
- return { _tag: "Some", value: x};
-}
-/**
- * @description Like the `Some(a)` and `None` in Rust.
- *
- * @example
- * ```ts
- * let exam1 : Maybe<Number> = { _tag: "Some", value: 12 };
- * let exam2 : Maybe<Number> = None;
- * ```
- */
-export type Maybe<T> = Some<T> | None;
-/**
- * @description
- * the pair of the string to be matched later and the string that have been matched
- * @var matched : have been matched
- * @var remained : will be tested whether it'll be matched.
- * @var matched_type (optional): the type of the matched string
-*/
-export interface MatcheePair {
- matched : string
- remained : string
- matched_type?: TokenType
-}
-
-/**
- * The types of Token
- * NL, // newline
- *
- * SP, // half-width space and tab
- *
- * ID, // identifier
- *
- * STR, // string
- *
- * OP, // operator or something like it
- *
- * FLO, // float num
- *
- * INT, // integer
- *
- * I_* // integer manipulation
- *
- * F_* // float manipulation
- *
- * SEMI_C// semi-colon
- */
-export enum TokenType{
- NL, // newlinw
- SP, // half-width space and tab
- ID, // identifier
- STR, // string
- FLO, // float num
- INT, // integer
- F_ADD,
- F_SUB,
- F_MUL,
- F_DIV,
- I_ADD,
- I_SUB,
- I_MUL,
- I_DIV,
- L_PAREN, // (
- R_PAREN, // )
- L_BRACK, // [
- R_BRACK, // ]
- L_BRACE, // {
- R_BRACE, // }
- COMMA, // ,
- DOT, // .
- COLON, // :
- SEMI_C, // ;
- AT, // @
- HASH, // #
- EQ, // ==
- SET, // =
- GT, // > greater than
- LT, // <less than
- GE, // >=
- LE, // <=
- R_ARROW, // ->
-
-}
+let b : Array<tk.Token> = tk.tokenize("2+2");
-/**
- * tokenized token.
- * @var text : the content text
- * @var type (optional): the type of the token
- * @var col : the column number
- * @var ln : the line number
- */
-export interface Token{
- text: string,
- type?: TokenType,
- col: number,
- ln: number,
+export interface TokenMatcheePair {
+ matched: tk.Token[]
+ remained: tk.Token[]
}
/**
* it returns a function which test if the first char of the `remained` part of
* the argument of the function is `c`, if it's true, update the `MatchedPair` wrapped
* in `Some`. Otherwise, it returns `None`.
- * * @param c : the char to be test.
+ * * @param t : the char to be test.
* @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
*/
-export function match1Char(c : string) : (m: MatcheePair) => Maybe<MatcheePair> {
- return (m : MatcheePair)=>{
- if (m.remained.length == 0){
+export function match1token(t: tk.Token): (m: TokenMatcheePair) => tk.Maybe<TokenMatcheePair> {
+ return (m: TokenMatcheePair) => {
+ if (m.remained.length == 0) {
return { _tag: "None" };
}
- const charToBeMatched = m.remained[0];
- if (charToBeMatched === c){
- return {_tag: "Some", value :{
- matched : m.matched + charToBeMatched,
- remained : m.remained.substring(1)}};
- }
- else{
- return {_tag: "None"};
- }
- }
-};
-
-/**
- *
- * @param m : the `MatcheePair` to be consumed.
- * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 char and wraps it in `Some`,
- * otherwise, returns `None`.
- */
-export function matchAny(m : MatcheePair) : Maybe<MatcheePair>{
- if (m.remained.length >= 1){
- return {_tag: "Some", value :{
- matched : m.matched + m.remained[0],
- remained : m.remained.substring(1)}};
- }else{
- return {_tag: "None"};
- }
-}
-
-/**
- * @description
- * it returns a function which test if the first char of the `remained` part of
- * the argument of the function is between `l` and `u`, if it's true, update the `MatchedPair` wrapped
- * in `Some`. Otherwise, it returns `None`.
- * * @param l : lower bound char, 1-char string
- * * @param u : upper bound char, 1-char string
- * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
- */
-export function matchRange(l : string, u : string) : (m: MatcheePair) => Maybe<MatcheePair> {
- let lCodepoint = charToCodepoint(l);
- let uCodepoint = charToCodepoint(u);
- if (l > u){
- throw new Error("Error: the codepoint of `"+l+"` is not smaller than `"+u+"`)");
- }
- return (m : MatcheePair)=>{
- if (m.remained.length < 1){
- return {_tag : "None"};
- }
- const charToBeMatched = m.remained[0];
- const codePointToBeMatched = charToCodepoint(charToBeMatched);
- if (codePointToBeMatched >= lCodepoint && codePointToBeMatched <= uCodepoint){
- return {_tag: "Some", value :{
- matched : m.matched + charToBeMatched,
- remained : m.remained.substring(1)}};
- }
- else{
- return {_tag: "None"};
- }
- }
-};
-
-/**
- * convert the one-char string to codepoint.
- * @param s : the string to code point.
- * @returns if `s.length > 1` return error; otherwise, return the codepoint of `s`.
- */
-export function charToCodepoint(s : string): number{
- if (s.length > 1){
- throw new Error("Error: the length of input string for "+s+ "is "+s.length+`,
- however, it should be 1.`);
- }else{
- return s.charCodeAt(0);
- }
-}
-
-/**
- * @description thendo(input, f, ...) like
- * a ==> f
- * @param input: the wrapped input.
- * @param f: the function to be applied.
- *
- * @returns:the applied wrapped result `MatcheePair`.
- */
-export function thenDo<T>(input : Maybe<T>, f : Function) : Maybe<T>{
- if (input._tag == "None"){
- return input;
- }
- else{
- let inner = input.value;
- return f(inner);
- }
-}
-
-/**
- * @description "or", like the regex `( f1 | f2 )` .
- * It returns a function `f` of which the argument is`x`.
- * if `f1(x)` is None, then `f` returns `f2(x)`. Otherwise,
- * `F` returns `f1(x)`.
- * @param f1 : 1st function to be compared
- * @param f2 : 2nd function to be compared
- * @returns:the combined function
- */
-export function orDo<T>(f1 : Function, f2: Function) : (x : T ) => Maybe<T>{
- return (x) => {
- let f1x : Maybe<T> = (f1(x));
- {
- if (f1x._tag == "None"){
- return f2(x);
- }
- else{
- return f1x;
- }
- }
- };
-}
-
-
-/**
-* @description repeating matching function `f`
-* zero or more times, like the asterisk `*` in regex `f*` .
-* @param f : the function to be repeated 0+ times.
-* @returns:the combined function
-*/
-export function zeroOrMoreDo<T>(f : Function): (x : T) => Maybe<T>{
- return (x)=>{
- var wrapped_old_x : Maybe<T> = {_tag: "Some", value : x};
- var wrapped_new_x : Maybe<T> = wrapped_old_x;
-
- while (wrapped_new_x._tag != "None"){
- wrapped_old_x = wrapped_new_x;
- wrapped_new_x = thenDo(wrapped_old_x, f);
- };
-
- return wrapped_old_x;
- };
-}
-
-/**
-* @description Not. like the `^` inside regex of [^f].
-* returns a function `F(x)` such that if `f(x)` is `None`,
-* returns the x consuming a char; if `f(x)` is not None, F(x)
-* returns `None`.
-* @param f: the function forbidden to be matched.
-* @returns: combined function `F`.
-*/
-export function notDo<T>(f : Function): (x : T) => Maybe<T>{
- return (x)=>{
- let wrapped_x : Maybe<T> = {
- _tag : "Some",
- value : x
- };
- let f_x = thenDo(wrapped_x, f);
-
- if (f_x._tag != "None"){
- return {_tag:"None"};
- }else{
- return thenDo(wrapped_x, matchAny);
- }
- };
-}
-
-/**
- * if `x` is matched by `f` once, returns `f(x)`. Otherwise,
- * returns x
- * similar to `?` in regex `f?`.
- * @param f : the function to be matched
- * @returns return wrapped f(x)
- */
-export function zeroOrOnceDo<T>(f : Function): (x : T) => Maybe<T>{
- return (x)=>{
- var wrapped_old_x : Maybe<T> = {_tag: "Some", value : x};
- var wrapped_new_x = thenDo(wrapped_old_x, f);
-
- if (wrapped_new_x._tag != "None"){
- return wrapped_new_x;
- }else{
- return wrapped_old_x;
- }
- };
-}
-
-
-export function tokenize(input : string){
- var input_matchee_pair : Maybe<MatcheePair> = toSome(
- {matched:"",
- remained: input});
-
- /**
- * generate a parser of a basic term (b_term)
- * @param pattern : the pattern parser
- * @param token_type : the returning token type
- * @returns a wrapped parser.
- */
- function bTerm(pattern : Function, token_type : TokenType){
- return (x : MatcheePair) =>{
- let wrapped_x = toSome(x);
- let result = pattern(wrapped_x);
- if (result._tag == "Some") {
- result.value.matched_type = token_type;
- }
- return result;
- }
- }
-
- let d = matchRange('0','9'); // \d
- // [+-]
- let plusMinus = orDo(match1Char('+'), match1Char('-'));
- let s_aux = orDo(match1Char(' '), match1Char('\t')); // (" " | "\t")
-
- // integer = ([+]|[-])?\d\d*
- let integer = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(thenDo(x,
- zeroOrOnceDo(plusMinus)),d),
- zeroOrMoreDo(d)),
- TokenType.INT);
- // space = [ \t]+
- let space = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, s_aux), zeroOrMoreDo(s_aux)),
- TokenType.INT);
-
- // newline = \r?\n
- let newline = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x,
- zeroOrOnceDo(match1Char('\r'))),
- match1Char('\n')),
- TokenType.NL);
-
- // [_A-Za-z]
- let idHead = orDo(orDo(matchRange('a','z'),matchRange('A','Z')), match1Char('_'));
- let idRemained = orDo(idHead, matchRange('0','9')); // [_A-Za-z0-9]
-
- // id = [_A-Za-z][_A-Za-z0-9]*
- let id = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x,
- idHead),
- zeroOrMoreDo(idRemained)),
- TokenType.ID);
- let doublequote = match1Char("\"");
- // [\\][\"]
- let escapeReverseSlash = (x:MatcheePair)=>
- thenDo(thenDo(toSome(x), match1Char("\\")), doublequote);
- // ([\\]["]|[^\"])*
- let stringInnerPattern = zeroOrMoreDo(
- orDo(escapeReverseSlash, notDo(match1Char("\""))));
-
- // str = ["]([\\]["]|[^"])*["]
- let str = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(thenDo(x,doublequote),
- stringInnerPattern),doublequote),
- TokenType.STR);
-
- // float = [+-]?\d+[.]\d+
- function floatPattern(x : Maybe<MatcheePair>){
- return thenDo(thenDo(thenDo(thenDo(thenDo(thenDo(x,
- zeroOrOnceDo(plusMinus)),d),
- zeroOrMoreDo(d)),
- match1Char(".")),d),
- zeroOrMoreDo(d))};
- let float = bTerm(floatPattern, TokenType.FLO);
-
- // operators
- // +.
- let floatAdd = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("+")),match1Char(".")),
- TokenType.F_ADD);
- // +.
- let floatSub = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("-")),match1Char(".")),
- TokenType.F_SUB);
-
- // *.
- let floatMul = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("*")),match1Char(".")),
- TokenType.F_MUL);
-
- // /.
- let floatDiv = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("/")),match1Char(".")),
- TokenType.F_DIV);
-
- // ==
- let eq = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("=")),match1Char("=")),
- TokenType.EQ);
-
- // >=
- let ge = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char(">")),match1Char("=")),
- TokenType.GE);
-
- // <=
- let le = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("<")),match1Char("=")),
- TokenType.LE);
-
- // ->
- let rightArrow = bTerm((x : Maybe<MatcheePair>)=>
- thenDo(thenDo(x, match1Char("-")),match1Char(">")),
- TokenType.R_ARROW);
-
- /**
- * unary operator : generating the pattern of basic unary operator
- * @param char : uniry char for the operator
- * @param token_type : the corresponding token_type
- */
- function unaryOp(char: string, token_type: TokenType) {
- return bTerm((x : Maybe<MatcheePair>)=>thenDo(x, match1Char(char)),
- token_type);};
-
- let intAdd = unaryOp('+', TokenType.I_ADD);
- let intSub = unaryOp('-', TokenType.I_SUB);
- let intMul = unaryOp('*', TokenType.I_MUL);
- let intDiv = unaryOp('/', TokenType.I_DIV);
- let lParen = unaryOp('(', TokenType.L_PAREN);
- let rParen = unaryOp(')', TokenType.R_PAREN);
- let lBracket = unaryOp('[', TokenType.L_BRACK);
- let rBracket = unaryOp(']', TokenType.R_BRACK);
- let lBrace = unaryOp('{', TokenType.L_BRACE);
- let rBrace = unaryOp('}', TokenType.R_BRACE);
- let comma = unaryOp(',', TokenType.COMMA);
- let dot = unaryOp('.', TokenType.DOT);
- let colon = unaryOp(':', TokenType.COLON);
- let semicolon = unaryOp(';', TokenType.SEMI_C);
- let at = unaryOp('@', TokenType.AT);
- let hash = unaryOp('#', TokenType.HASH);
- let set = unaryOp('=', TokenType.SET);
- let greaterthan = unaryOp('>', TokenType.GT);
- let lessthan = unaryOp('<', TokenType.LE);
-
-
- let term = (token_list : Array<Token>, x : Some<MatcheePair>)=>{
- var ln = 1;
- var col = 0;
- var old_x = x;
- let term_list = [float, newline, space, integer,str, id,
- floatAdd, floatSub, floatMul, floatDiv,
- intAdd, intSub, intMul, intDiv,
- eq, ge, le, rightArrow,
- lParen, rParen, lBracket, rBracket, lBrace, rBrace,
- comma, dot, colon, semicolon, at, hash,
- set,greaterthan, lessthan];
- let term_aux = term_list.reduce((x,y)=> orDo(x,y));
-
- var new_x : Maybe<MatcheePair> = thenDo(old_x, term_aux);
- while (new_x._tag != "None"){
- if (new_x.value.matched_type != TokenType.NL){
- col += new_x.value.matched.length;
- token_list.push({text : new_x.value.matched,
- type: new_x.value.matched_type,
- ln : ln,
- col : col});
-
+ const tokenToBeMatched = m.remained[0];
+ if (tokenToBeMatched === t) {
+ m.matched.push(tokenToBeMatched);
+ return {
+ _tag: "Some", value: {
+ matched: m.matched,
+ remained: m.remained.slice(1)
}
- else{
- col = 0;
- ln += 1;
-
- token_list.push({text : new_x.value.matched,
- type: new_x.value.matched_type,
- ln : ln,
- col : col});
-
- }
-
-
- old_x = toSome({matched : "",
- remained : new_x.value.remained});
- new_x = thenDo(old_x, term_aux);
+ };
}
-
- if (old_x.value.remained.length){
- console.log(token_list);
- throw new Error("the code can't be tokenized is near Ln. "+ln+", Col."+col
- +", starting with "+ old_x.value.remained.substring(0,10));
+ else {
+ return { _tag: "None" };
}
-
- return token_list;
}
+};
- console.log(term([], input_matchee_pair));
-
- // TODO: id, string, space, basic operator, 3 marks: @, {, }.
-
-}
+let c = tk.toSome(b);
+console.log(thenDo(c,match1token(tk.tokenize("+")[0])));
\ No newline at end of file
--- /dev/null
+
+var fs = require('fs');
+
+export type Some<T> = { _tag: "Some"; value: T };
+export type None = { _tag: "None" };
+/**
+ * part for tokenize the input string
+ */
+
+/**
+ * wrap a x in a `Some(T)`
+ * @param x : variable to be wrapped.
+ * @returns wrapped `x`.
+ */
+export function toSome<T>(x: T): Some<T> {
+ return { _tag: "Some", value: x };
+}
+/**
+ * @description Like the `Some(a)` and `None` in Rust.
+ *
+ * @example
+ * ```ts
+ * let exam1 : Maybe<Number> = { _tag: "Some", value: 12 };
+ * let exam2 : Maybe<Number> = None;
+ * ```
+ */
+export type Maybe<T> = Some<T> | None;
+
+
+/**
+ * @description
+ * the pair of the string to be matched later and the string that have been matched
+ * @var matched : have been matched
+ * @var remained : will be tested whether it'll be matched.
+ * @var matched_type (optional): the type of the matched string
+*/
+export interface MatcheePair {
+ matched: string
+ remained: string
+ matched_type?: TokenType
+}
+
+/**
+ * The types of Token
+ * NL, // newline
+ *
+ * SP, // half-width space and tab
+ *
+ * ID, // identifier
+ *
+ * STR, // string
+ *
+ * OP, // operator or something like it
+ *
+ * FLO, // float num
+ *
+ * INT, // integer
+ *
+ * I_* // integer manipulation
+ *
+ * F_* // float manipulation
+ *
+ * SEMI_C// semi-colon
+ */
+export enum TokenType {
+ NL, // newlinw
+ SP, // half-width space and tab
+ ID, // identifier
+ STR, // string
+ FLO, // float num
+ INT, // integer
+ F_ADD,
+ F_SUB,
+ F_MUL,
+ F_DIV,
+ I_ADD,
+ I_SUB,
+ I_MUL,
+ I_DIV,
+ L_PAREN, // (
+ R_PAREN, // )
+ L_BRACK, // [
+ R_BRACK, // ]
+ L_BRACE, // {
+ R_BRACE, // }
+ COMMA, // ,
+ DOT, // .
+ COLON, // :
+ SEMI_C, // ;
+ AT, // @
+ HASH, // #
+ EQ, // ==
+ SET, // =
+ GT, // > greater than
+ LT, // <less than
+ GE, // >=
+ LE, // <=
+ NE, // <>
+ APOS, // '
+ R_ARROW, // ->
+
+}
+
+/**
+ * tokenized token.
+ * @var text : the content text
+ * @var type (optional): the type of the token
+ * @var col : the column number
+ * @var ln : the line number
+ */
+export interface Token {
+ text: string,
+ type?: TokenType,
+ col: number,
+ ln: number,
+}
+
+/**
+ * @description
+ * it returns a function which test if the first char of the `remained` part of
+ * the argument of the function is `c`, if it's true, update the `MatchedPair` wrapped
+ * in `Some`. Otherwise, it returns `None`.
+ * * @param c : the char to be test.
+ * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ */
+export function match1Char(c: string): (m: MatcheePair) => Maybe<MatcheePair> {
+ return (m: MatcheePair) => {
+ if (m.remained.length == 0) {
+ return { _tag: "None" };
+ }
+ const charToBeMatched = m.remained[0];
+ if (charToBeMatched === c) {
+ return {
+ _tag: "Some", value: {
+ matched: m.matched + charToBeMatched,
+ remained: m.remained.substring(1)
+ }
+ };
+ }
+ else {
+ return { _tag: "None" };
+ }
+ }
+};
+
+/**
+ *
+ * @param m : the `MatcheePair` to be consumed.
+ * @returns if the length of `m.remained` >= 1; consumes the matchee by 1 char and wraps it in `Some`,
+ * otherwise, returns `None`.
+ */
+export function matchAny(m: MatcheePair): Maybe<MatcheePair> {
+ if (m.remained.length >= 1) {
+ return {
+ _tag: "Some", value: {
+ matched: m.matched + m.remained[0],
+ remained: m.remained.substring(1)
+ }
+ };
+ } else {
+ return { _tag: "None" };
+ }
+}
+
+/**
+ * @description
+ * it returns a function which test if the first char of the `remained` part of
+ * the argument of the function is between `l` and `u`, if it's true, update the `MatchedPair` wrapped
+ * in `Some`. Otherwise, it returns `None`.
+ * * @param l : lower bound char, 1-char string
+ * * @param u : upper bound char, 1-char string
+ * @returns the updated `MatchedPair` wrapped in `Some(x)` or `None`.
+ */
+export function matchRange(l: string, u: string): (m: MatcheePair) => Maybe<MatcheePair> {
+ let lCodepoint = charToCodepoint(l);
+ let uCodepoint = charToCodepoint(u);
+ if (l > u) {
+ throw new Error("Error: the codepoint of `" + l + "` is not smaller than `" + u + "`)");
+ }
+ return (m: MatcheePair) => {
+ if (m.remained.length < 1) {
+ return { _tag: "None" };
+ }
+ const charToBeMatched = m.remained[0];
+ const codePointToBeMatched = charToCodepoint(charToBeMatched);
+ if (codePointToBeMatched >= lCodepoint && codePointToBeMatched <= uCodepoint) {
+ return {
+ _tag: "Some", value: {
+ matched: m.matched + charToBeMatched,
+ remained: m.remained.substring(1)
+ }
+ };
+ }
+ else {
+ return { _tag: "None" };
+ }
+ }
+};
+
+/**
+ * convert the one-char string to codepoint.
+ * @param s : the string to code point.
+ * @returns if `s.length > 1` return error; otherwise, return the codepoint of `s`.
+ */
+export function charToCodepoint(s: string): number {
+ if (s.length > 1) {
+ throw new Error("Error: the length of input string for " + s + "is " + s.length + `,
+ however, it should be 1.`);
+ } else {
+ return s.charCodeAt(0);
+ }
+}
+
+/**
+ * @description thendo(input, f, ...) like
+ * a ==> f
+ * @param input: the wrapped input.
+ * @param f: the function to be applied.
+ *
+ * @returns:the applied wrapped result `MatcheePair`.
+ */
+export function thenDo<T>(input: Maybe<T>, f: Function): Maybe<T> {
+ if (input._tag == "None") {
+ return input;
+ }
+ else {
+ let inner = input.value;
+ return f(inner);
+ }
+}
+
+/**
+ * @description "or", like the regex `( f1 | f2 )` .
+ * It returns a function `f` of which the argument is`x`.
+ * if `f1(x)` is None, then `f` returns `f2(x)`. Otherwise,
+ * `F` returns `f1(x)`.
+ * @param f1 : 1st function to be compared
+ * @param f2 : 2nd function to be compared
+ * @returns:the combined function
+ */
+export function orDo<T>(f1: Function, f2: Function): (x: T) => Maybe<T> {
+ return (x) => {
+ let f1x: Maybe<T> = (f1(x));
+ {
+ if (f1x._tag == "None") {
+ return f2(x);
+ }
+ else {
+ return f1x;
+ }
+ }
+ };
+}
+
+
+/**
+* @description repeating matching function `f`
+* zero or more times, like the asterisk `*` in regex `f*` .
+* @param f : the function to be repeated 0+ times.
+* @returns:the combined function
+*/
+export function zeroOrMoreDo<T>(f: Function): (x: T) => Maybe<T> {
+ return (x) => {
+ var wrapped_old_x: Maybe<T> = { _tag: "Some", value: x };
+ var wrapped_new_x: Maybe<T> = wrapped_old_x;
+
+ while (wrapped_new_x._tag != "None") {
+ wrapped_old_x = wrapped_new_x;
+ wrapped_new_x = thenDo(wrapped_old_x, f);
+ };
+
+ return wrapped_old_x;
+ };
+}
+
+/**
+* @description Not. like the `^` inside regex of [^f].
+* returns a function `F(x)` such that if `f(x)` is `None`,
+* returns the x consuming a char; if `f(x)` is not None, F(x)
+* returns `None`.
+* @param f: the function forbidden to be matched.
+* @returns: combined function `F`.
+*/
+export function notDo<T>(f: Function): (x: T) => Maybe<T> {
+ return (x) => {
+ let wrapped_x: Maybe<T> = {
+ _tag: "Some",
+ value: x
+ };
+ let f_x = thenDo(wrapped_x, f);
+
+ if (f_x._tag != "None") {
+ return { _tag: "None" };
+ } else {
+ return thenDo(wrapped_x, matchAny);
+ }
+ };
+}
+
+/**
+ * if `x` is matched by `f` once, returns `f(x)`. Otherwise,
+ * returns x
+ * similar to `?` in regex `f?`.
+ * @param f : the function to be matched
+ * @returns return wrapped f(x)
+ */
+export function zeroOrOnceDo<T>(f: Function): (x: T) => Maybe<T> {
+ return (x) => {
+ var wrapped_old_x: Maybe<T> = { _tag: "Some", value: x };
+ var wrapped_new_x = thenDo(wrapped_old_x, f);
+
+ if (wrapped_new_x._tag != "None") {
+ return wrapped_new_x;
+ } else {
+ return wrapped_old_x;
+ }
+ };
+}
+
+
+export function tokenize(input: string): Array<Token> {
+ var input_matchee_pair: Maybe<MatcheePair> = toSome(
+ {
+ matched: "",
+ remained: input
+ });
+
+ /**
+ * generate a parser of a basic term (b_term)
+ * @param pattern : the pattern parser
+ * @param token_type : the returning token type
+ * @returns a wrapped parser.
+ */
+ function bTerm(pattern: Function, token_type: TokenType) {
+ return (x: MatcheePair) => {
+ let wrapped_x = toSome(x);
+ let result = pattern(wrapped_x);
+ if (result._tag == "Some") {
+ result.value.matched_type = token_type;
+ }
+ return result;
+ }
+ }
+
+ let d = matchRange('0', '9'); // \d
+ // [+-]
+ let plusMinus = orDo(match1Char('+'), match1Char('-'));
+ let s_aux = orDo(match1Char(' '), match1Char('\t')); // (" " | "\t")
+
+ // integer = ([+]|[-])?\d\d*
+ let integer = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(thenDo(x,
+ zeroOrOnceDo(plusMinus)), d),
+ zeroOrMoreDo(d)),
+ TokenType.INT);
+ // space = [ \t]+
+ let space = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, s_aux), zeroOrMoreDo(s_aux)),
+ TokenType.INT);
+
+ // newline = \r?\n
+ let newline = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x,
+ zeroOrOnceDo(match1Char('\r'))),
+ match1Char('\n')),
+ TokenType.NL);
+
+ // [_A-Za-z]
+ let idHead = orDo(orDo(matchRange('a', 'z'), matchRange('A', 'Z')), match1Char('_'));
+ let idRemained = orDo(idHead, matchRange('0', '9')); // [_A-Za-z0-9]
+
+ // id = [_A-Za-z][_A-Za-z0-9]*
+ let id = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x,
+ idHead),
+ zeroOrMoreDo(idRemained)),
+ TokenType.ID);
+ let doublequote = match1Char("\"");
+ // [\\][\"]
+ let escapeReverseSlash = (x: MatcheePair) =>
+ thenDo(thenDo(toSome(x), match1Char("\\")), doublequote);
+ // ([\\]["]|[^\"])*
+ let stringInnerPattern = zeroOrMoreDo(
+ orDo(escapeReverseSlash, notDo(match1Char("\""))));
+
+ // str = ["]([\\]["]|[^"])*["]
+ let str = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(thenDo(x, doublequote),
+ stringInnerPattern), doublequote),
+ TokenType.STR);
+
+ // float = [+-]?\d+[.]\d+
+ function floatPattern(x: Maybe<MatcheePair>) {
+ return thenDo(thenDo(thenDo(thenDo(thenDo(thenDo(x,
+ zeroOrOnceDo(plusMinus)), d),
+ zeroOrMoreDo(d)),
+ match1Char(".")), d),
+ zeroOrMoreDo(d))
+ };
+ let float = bTerm(floatPattern, TokenType.FLO);
+
+ // operators
+ // +.
+ let floatAdd = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("+")), match1Char(".")),
+ TokenType.F_ADD);
+ // +.
+ let floatSub = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("-")), match1Char(".")),
+ TokenType.F_SUB);
+
+ // *.
+ let floatMul = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("*")), match1Char(".")),
+ TokenType.F_MUL);
+
+ // /.
+ let floatDiv = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("/")), match1Char(".")),
+ TokenType.F_DIV);
+
+ // ==
+ let eq = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("=")), match1Char("=")),
+ TokenType.EQ);
+
+ // >=
+ let ge = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char(">")), match1Char("=")),
+ TokenType.GE);
+
+ // <=
+ let le = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("<")), match1Char("=")),
+ TokenType.LE);
+
+ // !=
+ let ne = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("!")), match1Char("=")),
+ TokenType.NE);
+
+ // ->
+ let rightArrow = bTerm((x: Maybe<MatcheePair>) =>
+ thenDo(thenDo(x, match1Char("-")), match1Char(">")),
+ TokenType.R_ARROW);
+
+ /**
+ * unary operator : generating the pattern of basic unary operator
+ * @param char : uniry char for the operator
+ * @param token_type : the corresponding token_type
+ */
+ function unaryOp(char: string, token_type: TokenType) {
+ return bTerm((x: Maybe<MatcheePair>) => thenDo(x, match1Char(char)),
+ token_type);
+ };
+
+ let intAdd = unaryOp('+', TokenType.I_ADD);
+ let intSub = unaryOp('-', TokenType.I_SUB);
+ let intMul = unaryOp('*', TokenType.I_MUL);
+ let intDiv = unaryOp('/', TokenType.I_DIV);
+ let lParen = unaryOp('(', TokenType.L_PAREN);
+ let rParen = unaryOp(')', TokenType.R_PAREN);
+ let lBracket = unaryOp('[', TokenType.L_BRACK);
+ let rBracket = unaryOp(']', TokenType.R_BRACK);
+ let lBrace = unaryOp('{', TokenType.L_BRACE);
+ let rBrace = unaryOp('}', TokenType.R_BRACE);
+ let comma = unaryOp(',', TokenType.COMMA);
+ let dot = unaryOp('.', TokenType.DOT);
+ let colon = unaryOp(':', TokenType.COLON);
+ let semicolon = unaryOp(';', TokenType.SEMI_C);
+ let at = unaryOp('@', TokenType.AT);
+ let hash = unaryOp('#', TokenType.HASH);
+ let set = unaryOp('=', TokenType.SET);
+ let greaterthan = unaryOp('>', TokenType.GT);
+ let lessthan = unaryOp('<', TokenType.LE);
+ let apos = unaryOp('\'', TokenType.APOS);
+
+
+
+ let term = (token_list: Array<Token>, x: Some<MatcheePair>) => {
+ var ln = 1;
+ var col = 0;
+ var old_x = x;
+ let term_list = [
+ floatAdd, floatSub, floatMul, floatDiv,
+ intAdd, intSub, intMul, intDiv,
+ eq, ge, le, ne, rightArrow,
+ lParen, rParen, lBracket, rBracket, lBrace, rBrace,
+ comma, dot, colon, semicolon, at, hash,
+ set, greaterthan, lessthan, apos,
+ float, newline, space, integer, str, id];
+ let term_aux = term_list.reduce((x, y) => orDo(x, y));
+
+ var new_x: Maybe<MatcheePair> = thenDo(old_x, term_aux);
+ while (new_x._tag != "None") {
+ if (new_x.value.matched_type != TokenType.NL) {
+ col += new_x.value.matched.length;
+ token_list.push({
+ text: new_x.value.matched,
+ type: new_x.value.matched_type,
+ ln: ln,
+ col: col
+ });
+
+ }
+ else {
+ col = 0;
+ ln += 1;
+
+ token_list.push({
+ text: new_x.value.matched,
+ type: new_x.value.matched_type,
+ ln: ln,
+ col: col
+ });
+
+ }
+
+
+ old_x = toSome({
+ matched: "",
+ remained: new_x.value.remained
+ });
+ new_x = thenDo(old_x, term_aux);
+ }
+
+ if (old_x.value.remained.length) {
+ console.log(token_list);
+ throw new Error("the code can't be tokenized is near Ln. " + ln + ", Col." + col
+ + ", starting with " + old_x.value.remained.substring(0, 10));
+ }
+
+ return token_list;
+ }
+
+ return term([], input_matchee_pair);
+
+ // TODO: id, string, space, basic operator, 3 marks: @, {, }.
+
+}
+
+
--- /dev/null
+declare let assert: any;
+declare let tokenize: any;
+declare let a: any;
+declare let example1: any;
+declare let example2: any;
+declare let thenDo: any;
+declare let orDo: any;
+declare let zeroOrMoreDo: any;
+declare let notDo: any;
+declare let matchAny: any;
+declare let compPart1: any;
+declare let compPart2: any;
+declare let doThenTestee1: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes1: any;
+declare let doThenTestee2: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes2: any;
+declare let doThenTestee3: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes3: any;
+declare let doThenTestee4: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes4: any;
+declare let doThenTestee5: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes5: any;
+declare let doThenTestee6: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes6: any;
+declare let doThenTestee7: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes7: any;
+declare let doThenTestee8: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes8: any;
+declare let doThenTestee9: {
+ _tag: string;
+ value: {
+ matched: string;
+ remained: string;
+ };
+};
+declare let doTestRes9: any;
+declare let harfbuzz: any;
+declare let pdfManipulate: any;
"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-const src_1 = require("../src");
let assert = require("assert");
-let cloMain = require("../src");
-let a = cloMain.match1Char("我");
+let tokenize = require("../src/tokenize");
+let a = tokenize.match1Char("我");
let example1 = a({ matched: "", remained: "我的" });
assert(example1._tag == "Some");
assert(example1.value.matched == "我");
assert(example1.value.remained == "的");
let example2 = a({ matched: "", remained: "妳的" });
assert(example2._tag == "None");
-let thenDo = cloMain.thenDo;
-let orDo = cloMain.orDo;
-let zeroOrMoreDo = cloMain.zeroOrMoreDo;
-let notDo = cloMain.notDo;
+let thenDo = tokenize.thenDo;
+let orDo = tokenize.orDo;
+let zeroOrMoreDo = tokenize.zeroOrMoreDo;
+let notDo = tokenize.notDo;
+let matchAny = tokenize.matchAny;
// composed part x
-let compPart1 = cloMain.match1Char("我");
-let compPart2 = cloMain.match1Char("的");
+let compPart1 = tokenize.match1Char("我");
+let compPart2 = tokenize.match1Char("的");
let doThenTestee1 = { _tag: "Some", value: { matched: "", remained: "我的貓" } };
let doTestRes1 = thenDo(thenDo(doThenTestee1, compPart1), compPart2);
assert(doTestRes1._tag == "Some");
assert(doTestRes8._tag == "Some");
assert(doTestRes8.value.matched == "妳的");
let doThenTestee9 = { _tag: "Some", value: { matched: "", remained: "妳的" } };
-let doTestRes9 = thenDo(doThenTestee9, src_1.matchAny);
+let doTestRes9 = thenDo(doThenTestee9, matchAny);
assert(doTestRes9._tag == "Some");
assert(doTestRes9.value.matched == "妳");
assert(doTestRes9.value.remained == "的");
-(0, src_1.tokenize)("+123");
-(0, src_1.tokenize)("123");
-(0, src_1.tokenize)("-123");
-(0, src_1.tokenize)(" 123");
+tokenize.tokenize("+123");
+tokenize.tokenize("123");
+tokenize.tokenize("-123");
+tokenize.tokenize(" 123");
try {
- (0, src_1.tokenize)("c123");
+ tokenize.tokenize("c123");
}
catch (error) {
console.log(error);
}
-(0, src_1.tokenize)(" ");
-(0, src_1.tokenize)(" ");
-(0, src_1.tokenize)(" \t");
-(0, src_1.tokenize)(" \t123");
+tokenize.tokenize(" ");
+tokenize.tokenize(" ");
+tokenize.tokenize(" \t");
+tokenize.tokenize(" \t123");
try {
- (0, src_1.tokenize)(" \t123aaa456");
+ tokenize.tokenize(" \t123aaa456");
}
catch (error) {
console.log(error);
}
-(0, src_1.tokenize)(" \t123\n456");
-(0, src_1.tokenize)("\"\"");
-(0, src_1.tokenize)("\"123\"");
-(0, src_1.tokenize)("\"1\\\"23\"");
-(0, src_1.tokenize)("\"1\\\"23\" abc123");
-(0, src_1.tokenize)("+0.012");
-(0, src_1.tokenize)("0.0");
-(0, src_1.tokenize)("-222.0");
-(0, src_1.tokenize)("1+1 ==2; 3+8 foo(12)");
+tokenize.tokenize(" \t123\n456");
+tokenize.tokenize("\"\"");
+tokenize.tokenize("\"123\"");
+tokenize.tokenize("\"1\\\"23\"");
+tokenize.tokenize("\"1\\\"23\" abc123");
+tokenize.tokenize("+0.012");
+tokenize.tokenize("0.0");
+tokenize.tokenize("-222.0");
+tokenize.tokenize("1+1 ==2; 3+8 foo(12)");
+console.log(tokenize.tokenize("2+2"));
// harfbuzz test
let harfbuzz = require("../src/harfbuzz.js");
harfbuzz.harfbuzzTest("123.abc");
-import { matchAny, tokenize } from "../src";
let assert = require("assert");
-let cloMain = require("../src");
+let tokenize = require("../src/tokenize");
-let a = cloMain.match1Char("我");
+let a = tokenize.match1Char("我");
let example1 = a({matched: "", remained: "我的"});
assert(example1._tag == "Some");
-let thenDo = cloMain.thenDo;
-let orDo = cloMain.orDo;
-let zeroOrMoreDo = cloMain.zeroOrMoreDo;
-let notDo = cloMain.notDo;
+let thenDo = tokenize.thenDo;
+let orDo = tokenize.orDo;
+let zeroOrMoreDo = tokenize.zeroOrMoreDo;
+let notDo = tokenize.notDo;
+let matchAny = tokenize.matchAny;
// composed part x
-let compPart1 = cloMain.match1Char("我");
-let compPart2 = cloMain.match1Char("的");
+let compPart1 = tokenize.match1Char("我");
+let compPart2 = tokenize.match1Char("的");
let doThenTestee1 = {_tag : "Some",value : {matched: "", remained: "我的貓"}};
let doTestRes1 = thenDo(thenDo(doThenTestee1, compPart1), compPart2);
assert(doTestRes9.value.matched == "妳");
assert(doTestRes9.value.remained == "的");
-tokenize("+123");
-tokenize("123");
-tokenize("-123");
-tokenize(" 123");
+tokenize.tokenize("+123");
+tokenize.tokenize("123");
+tokenize.tokenize("-123");
+tokenize.tokenize(" 123");
try {
- tokenize("c123");
+ tokenize.tokenize("c123");
} catch (error) {
console.log(error);
}
-tokenize(" ");
-tokenize(" ");
-tokenize(" \t");
-tokenize(" \t123");
+tokenize.tokenize(" ");
+tokenize.tokenize(" ");
+tokenize.tokenize(" \t");
+tokenize.tokenize(" \t123");
try {
- tokenize(" \t123aaa456");
+ tokenize.tokenize(" \t123aaa456");
} catch (error) {
console.log(error);
}
-tokenize(" \t123\n456");
+tokenize.tokenize(" \t123\n456");
-tokenize("\"\"");
-tokenize("\"123\"");
-tokenize("\"1\\\"23\"");
-tokenize("\"1\\\"23\" abc123");
+tokenize.tokenize("\"\"");
+tokenize.tokenize("\"123\"");
+tokenize.tokenize("\"1\\\"23\"");
+tokenize.tokenize("\"1\\\"23\" abc123");
-tokenize("+0.012");
-tokenize("0.0");
-tokenize("-222.0");
-tokenize("1+1 ==2; 3+8 foo(12)");
+tokenize.tokenize("+0.012");
+tokenize.tokenize("0.0");
+tokenize.tokenize("-222.0");
+tokenize.tokenize("1+1 ==2; 3+8 foo(12)");
+
+console.log(tokenize.tokenize("2+2"));
// harfbuzz test
let harfbuzz = require("../src/harfbuzz.js");
projects / clo / commitdiff