token.go

package main

// Token represents a lexical token.
type Token int

const (
	// Special tokens
	ILLEGAL Token = iota
	EOF
	WS

	// Literals
	STRING
	NUMBER
	IDENT

	// Types
	TYPE_INT
	TYPE_NIL
	TYPE_STRING
	TYPE_FLOAT
	TYPE_PROPERTY
	TYPE_LIST

	// Operators
	ADD      // +
	SUBTRACT // -
	MULTIPLY // *
	DIVIDE   // /
	EQ       // =
	NOT_EQ   // !=
	GT       // >
	LT       // <
	GTE      // >=
	LTE      // <=
	AND      // and

	// Aggregate methods
	SUM
	COUNT

	// Misc characters
	COMMA // ,

	// Keywords
	MAP
	REDUCE
	ON
	WHERE
	IN
)