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|
package token
import (
"fmt"
"jinx/pkg/libs/source"
)
type Token struct {
Kind TokenKind
At source.Loc
Data any
}
func Simple(kind TokenKind, at source.Loc) Token {
return Token{
Kind: kind,
At: at,
}
}
func New(kind TokenKind, at source.Loc, data any) Token {
return Token{
Kind: kind,
At: at,
Data: data,
}
}
func (t Token) CanEndStmt() bool {
switch t.Kind {
case EOF, EOL, SemiColon:
return true
default:
return false
}
}
func (t Token) String() string {
switch t.Kind {
case EOF, EOL:
return t.Kind.String()
case KwVar,
KwFn,
KwType,
KwIf,
KwElif,
KwElse,
KwFor,
KwTry,
KwCatch,
KwFinally,
KwReturn,
KwContinue,
KwBreak,
KwThrow,
KwIn,
KwNull,
KwTrue,
KwFalse,
KwThis,
KwUse,
KwFrom,
KwBy,
KwGlobal:
return fmt.Sprintf("keyword '%v'", t.Kind)
case Ident:
return fmt.Sprintf("identifier '%v'", t.Data)
case Int:
return fmt.Sprintf("integer '%v'", t.Data)
case Float:
return fmt.Sprintf("float '%v'", t.Data)
case String:
return fmt.Sprintf("string '%v'", t.Data)
case Assign,
Plus,
Minus,
Star,
Slash,
Percent,
Bang,
Eq,
Neq,
Lt,
Gt,
Lte,
Gte,
LParen,
RParen,
LBrace,
RBrace,
LBracket,
RBracket,
Comma,
Dot,
SemiColon:
return fmt.Sprintf("'%v'", t.Kind)
default:
return "unknown token"
}
}
|
