63 lines
2.9 KiB
Nim
63 lines
2.9 KiB
Nim
import ../frontend/lexer
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proc fillSymbolTable*(tokenizer: Lexer) =
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## Initializes the Lexer's symbol
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## table with the builtin symbols
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## and keywords
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# 1-byte symbols
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tokenizer.symbols.addSymbol("{", LeftBrace)
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tokenizer.symbols.addSymbol("}", RightBrace)
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tokenizer.symbols.addSymbol("(", LeftParen)
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tokenizer.symbols.addSymbol(")", RightParen)
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tokenizer.symbols.addSymbol("[", LeftBracket)
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tokenizer.symbols.addSymbol("]", RightBracket)
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tokenizer.symbols.addSymbol(".", Dot)
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tokenizer.symbols.addSymbol(",", Comma)
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tokenizer.symbols.addSymbol(";", Semicolon)
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# tokenizer.symbols.addSymbol("\n", Semicolon) # TODO: Broken
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# Keywords
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tokenizer.symbols.addKeyword("type", TokenType.Type)
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tokenizer.symbols.addKeyword("enum", Enum)
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tokenizer.symbols.addKeyword("case", Case)
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tokenizer.symbols.addKeyword("operator", Operator)
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tokenizer.symbols.addKeyword("generator", Generator)
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tokenizer.symbols.addKeyword("fn", TokenType.Function)
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tokenizer.symbols.addKeyword("coroutine", Coroutine)
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tokenizer.symbols.addKeyword("break", TokenType.Break)
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tokenizer.symbols.addKeyword("continue", Continue)
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tokenizer.symbols.addKeyword("while", While)
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tokenizer.symbols.addKeyword("for", For)
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tokenizer.symbols.addKeyword("foreach", Foreach)
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tokenizer.symbols.addKeyword("if", If)
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tokenizer.symbols.addKeyword("else", Else)
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tokenizer.symbols.addKeyword("await", TokenType.Await)
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tokenizer.symbols.addKeyword("defer", Defer)
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tokenizer.symbols.addKeyword("try", Try)
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tokenizer.symbols.addKeyword("except", Except)
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tokenizer.symbols.addKeyword("finally", Finally)
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tokenizer.symbols.addKeyword("raise", TokenType.Raise)
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tokenizer.symbols.addKeyword("assert", TokenType.Assert)
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tokenizer.symbols.addKeyword("const", Const)
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tokenizer.symbols.addKeyword("let", Let)
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tokenizer.symbols.addKeyword("var", TokenType.Var)
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tokenizer.symbols.addKeyword("import", Import)
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tokenizer.symbols.addKeyword("yield", TokenType.Yield)
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tokenizer.symbols.addKeyword("return", TokenType.Return)
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tokenizer.symbols.addKeyword("object", Object)
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# These are more like expressions with a reserved
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# name that produce a value of a builtin type,
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# but we don't need to care about that until
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# we're in the parsing/ compilation steps so
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# it's fine
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tokenizer.symbols.addKeyword("nan", NotANumber)
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tokenizer.symbols.addKeyword("inf", Infinity)
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tokenizer.symbols.addKeyword("nil", TokenType.Nil)
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tokenizer.symbols.addKeyword("true", True)
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tokenizer.symbols.addKeyword("false", False)
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tokenizer.symbols.addKeyword("ref", TokenType.Ref)
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tokenizer.symbols.addKeyword("ptr", TokenType.Ptr)
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for sym in [">", "<", "=", "~", "/", "+", "-", "_", "*", "?", "@", ":", "==", "!=",
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">=", "<=", "+=", "-=", "/=", "*=", "**=", "!"]:
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tokenizer.symbols.addSymbol(sym, Symbol) |