94 lines
3.1 KiB
C#
94 lines
3.1 KiB
C#
namespace Lexer
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{
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public class PureTokenFactory
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{
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private ITextWindow Window { get; }
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public PureTokenFactory(ITextWindow window)
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{
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Window = window;
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}
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private static readonly string[] PureTokenOfKind =
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{
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null, // None = 0,
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null, // Identifier = 1,
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null, // NumberLiteral = 2,
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null, // StringLiteral = 3,
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null, // DoubleQuotedStringLiteral = 4,
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null, null, null, null, null, null, null, null, null, null, null, null, null, null, null,
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"=", // Assignment = 20,
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"==", // Equality = 21,
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"~=", // Inequality = 22,
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"&&", // LogicalAnd = 23,
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"||", // LogicalOr = 24,
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"&", // BitwiseAnd = 25,
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"|", // BitwiseOr = 26,
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"<", // Less = 27,
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"<=", // LessOrEqual = 28,
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">", // Greater = 29,
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">=", // GreaterOrEqual = 30,
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"~", // Not = 31,
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"+", // Plus = 32,
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"-", // Minus = 33,
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"*", // Multiply = 34,
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"/", // Divide = 35,
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"^", // Power = 36,
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"\\", // Backslash = 37,
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"'", // Transpose = 38,
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".*", // DotMultiply = 39,
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"./", // DotDivide = 40,
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".^", // DotPower = 41,
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".\\", // DotBackslash = 42,
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".'", // DotTranspose = 43,
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"@", // At = 44,
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":", // Colon = 45,
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"?", // QuestionMark = 46,
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",", // Comma = 47,
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";", // Semicolon = 48,
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"{", // OpeningBrace = 49,
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"}", // ClosingBrace = 50,
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"[", // OpeningSquareBracket = 51,
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"]", // ClosingSquareBracket = 52,
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"(", // OpeningBracket = 53,
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")", // ClosingBracket = 54,
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".", // Dot = 55,
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"...", // DotDotDot = 56,
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"+", // UnaryPlus = 57,
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"-", // UnaryMinus = 58,
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"~", // UnaryNot = 59,
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};
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public PureToken CreatePunctuation(TokenKind kind)
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{
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return new PureToken(kind, PureTokenOfKind[(int)kind], null, Window.Position);
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}
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public PureToken CreateIdentifier(string s)
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{
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return new PureToken(TokenKind.Identifier, s, null, Window.Position);
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}
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public PureToken CreateNumberLiteral(string s)
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{
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return new PureToken(TokenKind.NumberLiteral, s, null, Window.Position); // TODO: actually parse number (here or in the lexer?)
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}
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public PureToken CreateStringLiteral(string s)
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{
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return new PureToken(TokenKind.StringLiteral, "'" + s + "'", s, Window.Position);
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}
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public PureToken CreateDoubleQuotedStringLiteral(string s)
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{
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return new PureToken(TokenKind.DoubleQuotedStringLiteral, "\"" + s + "\"", s, Window.Position);
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}
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public PureToken CreateEndOfFileToken()
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{
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return new PureToken(TokenKind.EndOfFile, "", null, Window.Position);
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}
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}
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} |