parser

type Diagnostic struct {
	Range    Range
	Severity Severity
	Message  string
}

type Identifier struct {
	Definition *Instruction // where the identifier was defined
	References []*Token     // all the places the identifier was referenced
}

type Instruction struct {
	Tokens   []*Token       // all the tokens that make up the instruction
	Result   *Token         // the token that represents the result of the instruction, or nil
	Operands []*Operand     // the operands of the instruction
	Range    Range          // the textual range of the instruction
	Opcode   *schema.Opcode // the opcode for the instruction
}

type Operand struct {
	Name       string              // name of the operand
	Kind       *schema.OperandKind // kind of the operand
	Tokens     []*Token            // all the tokens that make up the operand
	Parameters []*Operand          // all the parameters for the operand
}

type Position struct {
	Line, Column int
}

type Range struct {
	Start Position
	End   Position
}

type Results struct {
	Lines       []string
	Tokens      []*Token
	Diagnostics []Diagnostic
	Identifiers map[string]*Identifier // identifiers by name
	Mappings    map[*Token]interface{} // tokens to semantic map
}

type Severity int

type Token struct {
	Type  Type
	Range Range
}

type Type int