func()

in internal/compile/compile.go [1600:1645]

• 41 lines of code
• 15 McCabe index (conditional complexity)

func (fcomp *fcomp) binop(pos syntax.Position, op syntax.Token) {
	// TODO(adonovan): simplify by assuming syntax and compiler constants align.
	fcomp.setPos(pos)
	switch op {
	// arithmetic
	case syntax.PLUS:
		fcomp.emit(PLUS)
	case syntax.MINUS:
		fcomp.emit(MINUS)
	case syntax.STAR:
		fcomp.emit(STAR)
	case syntax.SLASH:
		fcomp.emit(SLASH)
	case syntax.SLASHSLASH:
		fcomp.emit(SLASHSLASH)
	case syntax.PERCENT:
		fcomp.emit(PERCENT)
	case syntax.AMP:
		fcomp.emit(AMP)
	case syntax.PIPE:
		fcomp.emit(PIPE)
	case syntax.CIRCUMFLEX:
		fcomp.emit(CIRCUMFLEX)
	case syntax.LTLT:
		fcomp.emit(LTLT)
	case syntax.GTGT:
		fcomp.emit(GTGT)
	case syntax.IN:
		fcomp.emit(IN)
	case syntax.NOT_IN:
		fcomp.emit(IN)
		fcomp.emit(NOT)

		// comparisons
	case syntax.EQL,
		syntax.NEQ,
		syntax.GT,
		syntax.LT,
		syntax.LE,
		syntax.GE:
		fcomp.emit(Opcode(op-syntax.EQL) + EQL)

	default:
		log.Panicf("%s: unexpected binary op: %s", pos, op)
	}
}