package token

import "../source"
import "../symbol"

Kind :: enum u8 {
	Invalid,
	Eof,
	Newline,
	Identifier,
	Integer,
	Float,
	String,
	Multiline_String,
	Character,
	Underscore,
	Colon,
	Colon_Colon,
	Colon_Equal,
	Equal,
	Equal_Equal,
	Bang,
	Bang_Equal,
	Less,
	Less_Equal,
	Less_Less,
	Less_Less_Equal,
	Less_Less_Pipe,
	Less_Less_Pipe_Equal,
	Greater,
	Greater_Equal,
	Greater_Greater,
	Greater_Greater_Equal,
	Plus,
	Minus,
	Slash,
	Plus_Equal,
	Minus_Equal,
	Star_Equal,
	Slash_Equal,
	Dot,
	Range,
	Range_Inclusive,
	Ellipsis,
	At,
	Dollar,
	Star,
	Ampersand,
	Ampersand_Equal,
	Caret,
	Tilde,
	Xor_Equal,
	Question,
	Semicolon,
	Left_Bracket,
	Right_Bracket,
	Left_Paren,
	Right_Paren,
	Left_Brace,
	Right_Brace,
	Comma,
	Pipe,
	Pipe_Equal,
	Keyword_Test,
	Keyword_Func,
	Keyword_C_Func,
	Keyword_Struct,
	Keyword_C_Struct,
	Keyword_Opaque,
	Keyword_Union,
	Keyword_Enum,
	Keyword_Distinct,
	Keyword_Alias,
	Keyword_Import,
	Keyword_Hide,
	Keyword_Return,
	Keyword_Try,
	Keyword_Catch,
	Keyword_Mut,
	Keyword_Null,
	Keyword_Undefined,
	Keyword_Orelse,
	Keyword_And,
	Keyword_Or,
	Keyword_Xor,
	Keyword_If,
	Keyword_While,
	Keyword_For,
	Keyword_Inline,
	Keyword_Break,
	Keyword_Continue,
	Keyword_Defer,
	Keyword_Errdefer,
	Keyword_Yield,
	Keyword_Match,
	Keyword_Else,
	Keyword_True,
	Keyword_False,
	Keyword_Void,
	Keyword_Noreturn,
	Keyword_Anyopaque,
	Keyword_Unreachable,
	Keyword_Bool,
	Keyword_Int,
	Keyword_Uint,
	Keyword_Float,
	Keyword_Range,
	Keyword_I8,
	Keyword_I16,
	Keyword_I32,
	Keyword_I64,
	Keyword_U8,
	Keyword_U16,
	Keyword_U32,
	Keyword_U64,
	Keyword_Isize,
	Keyword_Usize,
	Keyword_F32,
	Keyword_F64,
	Keyword_C_Char,
	Keyword_C_Schar,
	Keyword_C_Uchar,
	Keyword_C_Short,
	Keyword_C_Ushort,
	Keyword_C_Int,
	Keyword_C_Uint,
	Keyword_C_Long,
	Keyword_C_Ulong,
	Keyword_C_Longlong,
	Keyword_C_Ulonglong,
	Keyword_C_Float,
	Keyword_C_Double,
	Keyword_C_Longdouble,
}

is_keyword :: proc(kind: Kind) -> bool {
	return kind >= .Keyword_Test && kind <= .Keyword_C_Longdouble
}

Token :: struct {
	span:       source.Span,
	symbol:     symbol.Id,
	diagnostic: source.Diagnostic_Id,
	kind:       Kind,
}

Stream :: struct {
	items:   [dynamic]Token,
	symbols: ^symbol.Table,
}