83 lines
3.0 KiB
C#
83 lines
3.0 KiB
C#
using Parser.Internal;
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using System.Collections.Generic;
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using System.Linq;
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using Xunit;
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namespace Parser.Tests
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{
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public class MLexerGreenTests
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{
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private IEnumerable<Internal.SyntaxToken> ParseText(string text)
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{
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var lexer = new MLexerGreen(new TextWindowWithNull(text));
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return lexer.ParseAll().Select(x => x.Item1).Where(x => x.Kind != TokenKind.EndOfFile);
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}
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[Theory]
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[MemberData(nameof(SingleTokensData))]
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public void MLexerGreen_Parses_Token(TokenKind kind, string text)
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{
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var tokens = ParseText(text);
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var token = Assert.Single(tokens);
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Assert.Equal(kind, token.Kind);
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}
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public static IEnumerable<object[]> SingleTokensData()
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{
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return SingleTokens().Select(pair => new object[] { pair.kind, pair.text });
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}
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public static IEnumerable<(TokenKind kind, string text)> SingleTokens()
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{
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return new[]
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{
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(TokenKind.Identifier, "a"),
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(TokenKind.Identifier, "abc"),
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(TokenKind.NumberLiteral, "1"),
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(TokenKind.NumberLiteral, "123"),
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(TokenKind.NumberLiteral, "145.67"),
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(TokenKind.NumberLiteral, "14.5e-3"),
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(TokenKind.NumberLiteral, "3.14e8"),
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(TokenKind.StringLiteral, "'what is that'"),
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(TokenKind.DoubleQuotedStringLiteral, "\"Another ' string\""),
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(TokenKind.Assignment, "="),
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(TokenKind.Equality, "=="),
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(TokenKind.Inequality, "~="),
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(TokenKind.LogicalAnd, "&&"),
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(TokenKind.LogicalOr, "||"),
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(TokenKind.BitwiseAnd, "&"),
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(TokenKind.BitwiseOr, "|"),
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(TokenKind.Less, "<"),
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(TokenKind.LessOrEqual, "<="),
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(TokenKind.Greater, ">"),
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(TokenKind.GreaterOrEqual, ">="),
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(TokenKind.Not, "~"),
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(TokenKind.Plus, "+"),
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(TokenKind.Minus, "-"),
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(TokenKind.Multiply, "*"),
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(TokenKind.Divide, "/"),
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(TokenKind.Power, "^"),
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(TokenKind.Backslash, "\\"),
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(TokenKind.DotMultiply, ".*"),
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(TokenKind.DotDivide, "./"),
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(TokenKind.DotPower, ".^"),
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(TokenKind.DotBackslash, ".\\"),
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(TokenKind.DotTranspose, ".'"),
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(TokenKind.At, "@"),
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(TokenKind.Colon, ":"),
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(TokenKind.QuestionMark, "?"),
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(TokenKind.Comma, ","),
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(TokenKind.Semicolon, ";"),
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//(TokenKind.OpeningBrace, "{"),
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//(TokenKind.ClosingBrace, "}"),
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//(TokenKind.OpeningSquareBracket, "["),
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//(TokenKind.ClosingSquareBracket, "]"),
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//(TokenKind.OpeningBracket, "("),
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//(TokenKind.ClosingBracket, ")"),
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(TokenKind.Dot, "."),
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};
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}
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}
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}
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