/**
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* @licstart The following is the entire license notice for the
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* JavaScript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* JavaScript code in this page
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*/
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"use strict";
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var _formcalc_parser = require("../../core/xfa/formcalc_parser.js");
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var _formcalc_lexer = require("../../core/xfa/formcalc_lexer.js");
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describe("FormCalc expression parser", function () {
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const EOF = new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.eof);
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describe("FormCalc lexer", function () {
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it("should lex numbers", function () {
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const lexer = new _formcalc_lexer.Lexer("12 1.2345 .7 .12345 1e-2 1.2E+3 1e2 1.2E3 nan 12. 2.e3 infinity 99999999999999999 123456789.012345678 9e99999");
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 12));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1.2345));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 0.7));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 0.12345));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1e-2));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1.2e3));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1e2));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1.2e3));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, NaN));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 12));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 2e3));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, Infinity));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 100000000000000000));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 123456789.01234567));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, Infinity));
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expect(lexer.next()).toEqual(EOF);
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});
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it("should lex strings", function () {
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const lexer = new _formcalc_lexer.Lexer(`"hello world" "hello ""world" "hello ""world"" ""world""""hello""" "hello \\uabcdeh \\Uabcd \\u00000123abc" "a \\a \\ub \\Uc \\b"`);
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.string, `hello world`));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.string, `hello "world`));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.string, `hello "world" "world""hello"`));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.string, `hello \uabcdeh \uabcd \u0123abc`));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.string, `a \\a \\ub \\Uc \\b`));
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expect(lexer.next()).toEqual(EOF);
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});
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it("should lex operators", function () {
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const lexer = new _formcalc_lexer.Lexer("( , ) <= <> = == >= < > / * . .* .# [ ] & |");
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.leftParen));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.comma));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.rightParen));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.le));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.ne));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.assign));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.eq));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.ge));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.lt));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.gt));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.divide));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.times));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.dot));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.dotStar));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.dotHash));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.leftBracket));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.rightBracket));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.and));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.or));
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expect(lexer.next()).toEqual(EOF);
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});
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it("should skip comments", function () {
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const lexer = new _formcalc_lexer.Lexer(`
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\t\t 1 \r\n\r\n
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; blah blah blah
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2
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// blah blah blah blah blah
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3
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`);
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 1));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 2));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.number, 3));
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expect(lexer.next()).toEqual(EOF);
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});
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it("should lex identifiers", function () {
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const lexer = new _formcalc_lexer.Lexer("eq for fore while continue hello こんにちは世界 $!hello今日は12今日は");
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.eq));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.for));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.identifier, "fore"));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.while));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.continue));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.identifier, "hello"));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.identifier, "こんにちは世界"));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.identifier, "$"));
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expect(lexer.next()).toEqual(new _formcalc_lexer.Token(_formcalc_lexer.TOKEN.identifier, "!hello今日は12今日は"));
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expect(lexer.next()).toEqual(EOF);
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});
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});
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describe("FormCalc parser", function () {
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it("should parse basic arithmetic expression", function () {
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const parser = new _formcalc_parser.Parser("1 + 2 * 3");
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expect(parser.parse().dump()[0]).toEqual(7);
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});
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it("should parse basic arithmetic expression with the same operator", function () {
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const parser = new _formcalc_parser.Parser("1 + a + 3");
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expect(parser.parse().dump()[0]).toEqual({
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operator: "+",
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left: {
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operator: "+",
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left: 1,
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right: {
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id: "a"
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}
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},
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right: 3
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});
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});
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it("should parse expressions with unary operators", function () {
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const parser = new _formcalc_parser.Parser(`
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s = +x + 1
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t = -+u * 2
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t = +-u * 2
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u = -foo()
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`);
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expect(parser.parse().dump()).toEqual([{
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assignment: "s",
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expr: {
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operator: "+",
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left: {
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operator: "+",
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arg: {
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id: "x"
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}
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},
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right: 1
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}
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}, {
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assignment: "t",
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expr: {
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operator: "*",
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left: {
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operator: "-",
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arg: {
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operator: "+",
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arg: {
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id: "u"
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}
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}
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},
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right: 2
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}
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}, {
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assignment: "t",
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expr: {
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operator: "*",
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left: {
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operator: "+",
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arg: {
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operator: "-",
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arg: {
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id: "u"
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}
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}
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},
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right: 2
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}
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}, {
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assignment: "u",
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expr: {
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operator: "-",
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arg: {
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callee: {
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id: "foo"
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},
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params: []
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}
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}
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}]);
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});
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it("should parse basic expression with a string", function () {
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const parser = new _formcalc_parser.Parser(`(5 - "abc") * 3`);
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expect(parser.parse().dump()[0]).toEqual(15);
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});
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it("should parse basic expression with a calls", function () {
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const parser = new _formcalc_parser.Parser(`foo(2, 3, a & b) or c * d + 1.234 / e`);
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expect(parser.parse().dump()[0]).toEqual({
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operator: "||",
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left: {
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callee: {
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id: "foo"
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},
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params: [2, 3, {
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operator: "&&",
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left: {
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id: "a"
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},
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right: {
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id: "b"
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}
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}]
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},
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right: {
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operator: "+",
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left: {
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operator: "*",
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left: {
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id: "c"
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},
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right: {
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id: "d"
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}
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},
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right: {
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operator: "/",
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left: 1.234,
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right: {
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id: "e"
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}
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}
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}
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});
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});
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it("should parse basic expression with a subscript", function () {
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let parser = new _formcalc_parser.Parser(`こんにちは世界[-0]`);
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let dump = parser.parse().dump()[0];
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expect(dump).toEqual({
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operand: {
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id: "こんにちは世界"
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},
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index: -0
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});
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expect(Object.is(-0, dump.index)).toBe(true);
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parser = new _formcalc_parser.Parser(`こんにちは世界[+0]`);
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dump = parser.parse().dump()[0];
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expect(dump).toEqual({
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operand: {
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id: "こんにちは世界"
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},
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index: +0
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});
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expect(Object.is(+0, dump.index)).toBe(true);
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parser = new _formcalc_parser.Parser(`こんにちは世界[*]`);
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expect(parser.parse().dump()[0]).toEqual({
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operand: {
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id: "こんにちは世界"
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},
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index: {
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special: "*"
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}
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});
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});
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it("should parse basic expression with dots", function () {
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const parser = new _formcalc_parser.Parser("a.b.c.#d..e.f..g.*");
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expect(parser.parse().dump()[0]).toEqual({
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operator: ".",
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left: {
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id: "a"
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},
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right: {
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operator: ".",
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left: {
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id: "b"
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},
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right: {
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operator: ".#",
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left: {
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id: "c"
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},
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right: {
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operator: "..",
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left: {
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id: "d"
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},
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right: {
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operator: ".",
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left: {
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id: "e"
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},
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right: {
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operator: "..",
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left: {
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id: "f"
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},
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right: {
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operator: ".",
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left: {
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id: "g"
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},
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right: {
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special: "*"
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}
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}
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}
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}
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}
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}
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}
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});
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});
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it("should parse var declaration with error", function () {
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let parser = new _formcalc_parser.Parser("var 123 = a");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.var));
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parser = new _formcalc_parser.Parser(`var "123" = a`);
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.var));
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parser = new _formcalc_parser.Parser(`var for var a`);
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.var));
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});
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it("should parse for declaration with a step", function () {
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const parser = new _formcalc_parser.Parser(`
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var s = 0
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for var i = 1 upto 10 + x step 1 do
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s = s + i * 2
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endfor`);
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expect(parser.parse().dump()).toEqual([{
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var: "s",
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expr: 0
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}, {
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decl: "for",
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assignment: {
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var: "i",
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expr: 1
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},
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type: "upto",
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end: {
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operator: "+",
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left: 10,
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right: {
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id: "x"
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}
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},
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step: 1,
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body: [{
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assignment: "s",
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expr: {
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operator: "+",
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left: {
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id: "s"
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},
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right: {
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operator: "*",
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left: {
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id: "i"
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},
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right: 2
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}
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}
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}]
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}]);
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});
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it("should parse for declaration without a step", function () {
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const parser = new _formcalc_parser.Parser(`
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for i = 1 + 2 downto 10 do
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s = foo()
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endfor`);
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expect(parser.parse().dump()).toEqual([{
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decl: "for",
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assignment: {
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assignment: "i",
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expr: 3
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},
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type: "downto",
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end: 10,
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step: null,
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body: [{
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assignment: "s",
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expr: {
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callee: {
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id: "foo"
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},
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params: []
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}
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}]
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}]);
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});
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it("should parse for declaration with error", function () {
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let parser = new _formcalc_parser.Parser("for 123 = i upto 1 do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.assignment));
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parser = new _formcalc_parser.Parser("for var 123 = i upto 1 do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.assignment));
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parser = new _formcalc_parser.Parser("for var i = 123 upt 1 do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.for));
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parser = new _formcalc_parser.Parser("for var i = 123 var 1 do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.for));
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parser = new _formcalc_parser.Parser("for var i = 123 upto 1 step for var j = 1 do endfor do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.for));
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parser = new _formcalc_parser.Parser("for var i = 123 downto 1 do a = 1 endfunc");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.for));
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parser = new _formcalc_parser.Parser("for var i = 123 downto 1 do a = 1");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.for));
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});
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it("should parse foreach declaration", function () {
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const parser = new _formcalc_parser.Parser(`
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foreach i in (a, b, c, d) do
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s = foo()[i]
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endfor`);
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expect(parser.parse().dump()).toEqual([{
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decl: "foreach",
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id: "i",
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params: [{
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id: "a"
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}, {
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id: "b"
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}, {
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id: "c"
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}, {
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id: "d"
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}],
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body: [{
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assignment: "s",
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expr: {
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operand: {
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callee: {
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id: "foo"
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},
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params: []
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},
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index: {
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id: "i"
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}
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}
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}]
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}]);
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});
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it("should parse foreach declaration with error", function () {
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let parser = new _formcalc_parser.Parser("foreach 123 in (1, 2, 3) do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.foreach));
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parser = new _formcalc_parser.Parser("foreach foo in 1, 2, 3) do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.foreach));
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parser = new _formcalc_parser.Parser("foreach foo in (1, 2, 3 do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.params));
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parser = new _formcalc_parser.Parser("foreach foo in (1, 2 3) do a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.params));
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parser = new _formcalc_parser.Parser("foreach foo in (1, 2, 3) od a = 1 endfor");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.foreach));
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parser = new _formcalc_parser.Parser("foreach foo in (1, 2, 3) do a = 1 endforeach");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.foreach));
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parser = new _formcalc_parser.Parser("foreach foo in (1, 2, 3) do a = 1 123");
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expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.foreach));
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});
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it("should parse while declaration", function () {
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const parser = new _formcalc_parser.Parser(`
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while (1) do
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if (0) then
|
break
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else
|
continue
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endif
|
endwhile
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`);
|
expect(parser.parse().dump()).toEqual([{
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decl: "while",
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condition: 1,
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body: [{
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decl: "if",
|
condition: 0,
|
then: [{
|
special: "break"
|
}],
|
elseif: null,
|
else: [{
|
special: "continue"
|
}]
|
}]
|
}]);
|
});
|
it("should parse while declaration with error", function () {
|
let parser = new _formcalc_parser.Parser("while a == 1 do a = 2 endwhile");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.while));
|
parser = new _formcalc_parser.Parser("while (a == 1 do a = 2 endwhile");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.while));
|
parser = new _formcalc_parser.Parser("while (a == 1) var a = 2 endwhile");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.while));
|
parser = new _formcalc_parser.Parser("while (a == 1) do var a = 2 end");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.while));
|
});
|
it("should parse do declaration", function () {
|
const parser = new _formcalc_parser.Parser(`
|
do
|
x = 1
|
; a comment in the middle of the block
|
y = 2
|
end
|
`);
|
expect(parser.parse().dump()).toEqual([{
|
decl: "block",
|
body: [{
|
assignment: "x",
|
expr: 1
|
}, {
|
assignment: "y",
|
expr: 2
|
}]
|
}]);
|
});
|
it("should parse do declaration with error", function () {
|
const parser = new _formcalc_parser.Parser(`
|
do
|
x = 1
|
y = 2
|
endfunc
|
`);
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.block));
|
});
|
it("should parse func declaration", function () {
|
const parser = new _formcalc_parser.Parser(`
|
func こんにちは世界123(a, b) do
|
a + b
|
endfunc
|
`);
|
expect(parser.parse().dump()).toEqual([{
|
func: "こんにちは世界123",
|
params: ["a", "b"],
|
body: [{
|
operator: "+",
|
left: {
|
id: "a"
|
},
|
right: {
|
id: "b"
|
}
|
}]
|
}]);
|
});
|
it("should parse func declaration with error", function () {
|
let parser = new _formcalc_parser.Parser("func 123(a, b) do a = 1 endfunc");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.func));
|
parser = new _formcalc_parser.Parser("func foo(a, b) for a = 1 endfunc");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.func));
|
parser = new _formcalc_parser.Parser("func foo(a, b) do a = 1 endfun");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.func));
|
parser = new _formcalc_parser.Parser("func foo(a, b, c do a = 1 endfunc");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.func));
|
parser = new _formcalc_parser.Parser("func foo(a, b, 123) do a = 1 endfunc");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.func));
|
});
|
it("should parse if declaration", function () {
|
const parser = new _formcalc_parser.Parser(`
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if (a & b) then
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var s = 1
|
endif
|
|
if (a or b) then
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var s = 1
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else
|
var x = 2
|
endif
|
|
if (0) then
|
s = 1
|
elseif (1) then
|
s = 2
|
elseif (2) then
|
s = 3
|
elseif (3) then
|
s = 4
|
else
|
s = 5
|
endif
|
|
// a comment
|
|
if (0) then
|
s = 1
|
elseif (1) then
|
s = 2
|
endif
|
`);
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expect(parser.parse().dump()).toEqual([{
|
decl: "if",
|
condition: {
|
operator: "&&",
|
left: {
|
id: "a"
|
},
|
right: {
|
id: "b"
|
}
|
},
|
then: [{
|
var: "s",
|
expr: 1
|
}],
|
elseif: null,
|
else: null
|
}, {
|
decl: "if",
|
condition: {
|
operator: "||",
|
left: {
|
id: "a"
|
},
|
right: {
|
id: "b"
|
}
|
},
|
then: [{
|
var: "s",
|
expr: 1
|
}],
|
elseif: null,
|
else: [{
|
var: "x",
|
expr: 2
|
}]
|
}, {
|
decl: "if",
|
condition: 0,
|
then: [{
|
assignment: "s",
|
expr: 1
|
}],
|
elseif: [{
|
decl: "elseif",
|
condition: 1,
|
then: [{
|
assignment: "s",
|
expr: 2
|
}]
|
}, {
|
decl: "elseif",
|
condition: 2,
|
then: [{
|
assignment: "s",
|
expr: 3
|
}]
|
}, {
|
decl: "elseif",
|
condition: 3,
|
then: [{
|
assignment: "s",
|
expr: 4
|
}]
|
}],
|
else: [{
|
assignment: "s",
|
expr: 5
|
}]
|
}, {
|
decl: "if",
|
condition: 0,
|
then: [{
|
assignment: "s",
|
expr: 1
|
}],
|
elseif: [{
|
decl: "elseif",
|
condition: 1,
|
then: [{
|
assignment: "s",
|
expr: 2
|
}]
|
}],
|
else: null
|
}]);
|
});
|
it("should parse if declaration with error", function () {
|
let parser = new _formcalc_parser.Parser("if foo == 1 then a = 1 endif");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.if));
|
parser = new _formcalc_parser.Parser("if (foo == 1 then a = 1 endif");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.if));
|
parser = new _formcalc_parser.Parser("if (foo == 1) then a = 1 elseiff (foo == 2) then a = 2 endif");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.if));
|
parser = new _formcalc_parser.Parser("if (foo == 1) then a = 1 elseif (foo == 2) then a = 2 end");
|
expect(() => parser.parse()).toThrow(new Error(_formcalc_parser.Errors.if));
|
});
|
});
|
});
|
