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Diffstat (limited to 'src/sdlang/symbol.d')
-rw-r--r-- | src/sdlang/symbol.d | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/src/sdlang/symbol.d b/src/sdlang/symbol.d deleted file mode 100644 index ebb2b93..0000000 --- a/src/sdlang/symbol.d +++ /dev/null @@ -1,61 +0,0 @@ -// SDLang-D -// Written in the D programming language. - -module sdlang.symbol; - -import std.algorithm; - -static immutable validSymbolNames = [ - "Error", - "EOF", - "EOL", - - ":", - "=", - "{", - "}", - - "Ident", - "Value", -]; - -/// Use this to create a Symbol. Ex: symbol!"Value" or symbol!"=" -/// Invalid names (such as symbol!"FooBar") are rejected at compile-time. -template symbol(string name) -{ - static assert(validSymbolNames.find(name), "Invalid Symbol: '"~name~"'"); - immutable symbol = _symbol(name); -} - -private Symbol _symbol(string name) -{ - return Symbol(name); -} - -/// Symbol is essentially the "type" of a Token. -/// Token is like an instance of a Symbol. -/// -/// This only represents terminals. Nonterminal tokens aren't -/// constructed since the AST is built directly during parsing. -/// -/// You can't create a Symbol directly. Instead, use the `symbol` -/// template. -struct Symbol -{ - private string _name; - @property string name() - { - return _name; - } - - @disable this(); - private this(string name) - { - this._name = name; - } - - string toString() - { - return _name; - } -} |