Cast

Cast to different type and/or kind.

Declaration

Syntax

Cast(expr arg, cast_kind kind, ttype type, expr? value)

Arguments

Argument Name

Argument Description

arg

expression argument

kind

cast to kind

type

table entry type

value

expression value

Return values

The return value is the expression that the Cast represents.

Описание

Cast represents cast to different type and/or kind.

Types

Only accepts integer, real.

Examples

real :: r
integer :: i
r = 1. * 2
i = 1. * 2

ASR:

(TranslationUnit
    (SymbolTable
        1
        {
            i:
                (Variable
                    1
                    i
                    Local
                    ()
                    ()
                    Default
                    (Integer 4 [])
                    Source
                    Public
                    Required
                    .false.
                ),
            r:
                (Variable
                    1
                    r
                    Local
                    ()
                    ()
                    Default
                    (Real 4 [])
                    Source
                    Public
                    Required
                    .false.
                )

        })
    [(=
        (Var 1 r)
        (RealBinOp
            (RealConstant
                1.000000
                (Real 4 [])
            )
            Mul
            (Cast
                (IntegerConstant 2 (Integer 4 []))
                IntegerToReal
                (Real 4 [])
                (RealConstant
                    2.000000
                    (Real 4 [])
                )
            )
            (Real 4 [])
            (RealConstant
                2.000000
                (Real 4 [])
            )
        )
        ()
    )
    (=
        (Var 1 i)
        (Cast
            (RealBinOp
                (RealConstant
                    1.000000
                    (Real 4 [])
                )
                Mul
                (Cast
                    (IntegerConstant 2 (Integer 4 []))
                    IntegerToReal
                    (Real 4 [])
                    (RealConstant
                        2.000000
                        (Real 4 [])
                    )
                )
                (Real 4 [])
                (RealConstant
                    2.000000
                    (Real 4 [])
                )
            )
            RealToInteger
            (Integer 4 [])
            (IntegerConstant 2 (Integer 4 []))
        )
        ()
    )]
)

See Also