case token.INC, token.DEC:
		// increment or decrement
		s := &ast.IncDecStmt{x[0], p.pos, p.tok}
		p.next() // consume "++" or "--"
		return s
	}

	// expression
	return &ast.ExprStmt{x[0]}
}

func (p *parser) parseCallExpr() *ast.CallExpr {
	x := p.parseRhs()
	if call, isCall := x.(*ast.CallExpr); isCall {
		return call
	}
	p.errorExpected(x.Pos(), "function/method call")

		case _Arrow:
			// lhs <- rhs
			s := new(SendStmt)
			s.pos = pos
			p.next()
			s.Chan = lhs
			s.Value = p.expr()
			return s

		default:
			// expr
			s := new(ExprStmt)
			s.pos = lhs.Pos()
			s.X = lhs
			return s
		}
	}

	// expr_list
	switch p.tok {
	case _Assign, _Define:
		pos := p.pos()
		var op Operator
		if p.tok == _Define {

	case token.INC, token.DEC:
		// increment or decrement
		s := &ast.IncDecStmt{X: x[0], TokPos: p.pos, Tok: p.tok}
		p.next()
		return s, false
	}

	// expression
	return &ast.ExprStmt{X: x[0]}, false
}

func (p *parser) parseCallExpr(callType string) *ast.CallExpr {
	x := p.parseRhs() // could be a conversion: (some type)(x)
	if t := ast.Unparen(x); t != x {

				p.setPos(e.Pos())
				p.print(token.SEMICOLON)
				break
			}
		} else {
			p.linebreak(p.lineFor(s.Stmt.Pos()), 1, ignore, true)
		}
		p.stmt(s.Stmt, nextIsRBrace)

	case *ast.ExprStmt:
		const depth = 1
		p.expr0(s.X, depth)

	case *ast.SendStmt:
		const depth = 1
		p.expr0(s.Chan, depth)
		p.print(blank)
		p.setPos(s.Arrow)
		p.print(token.ARROW, blank)