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Printer:-PrintTarget - print translated code

Calling Sequence

Printer:-PrintTarget(ic, digits, precision, func_precision, namelist)

Parameters

Printer

-

Printer module

ic

-

Intermediate Code expression

precision

-

symbol; precision of variables of numeric type

func_precision

-

symbol; precision of function arguments and return values

namelist

-

list; names appearing in intermediate code

Description

• 

The PrintTarget command initiates printing of the Intermediate Code expression ic according to the printing rules previously defined for the module Printer.  PrintTarget returns a string, which corresponds to the translated output.

• 

In most cases, PrintTarget is called by the PrintTarget procedure of the language definition module containing this Printer, perhaps with some pre- or postprocessing.  For example, in a language definition module m, the command m:-PrintTarget may call m:-Printer:-PrintTarget.

Examples

Note: The following defines a Fortran translator that converts the output of Printer:-PrintTarget all to uppercase.

withCodeGeneration:

UppercaseFortran77 := 'module()
    export Printer, PrintTarget;
    Printer := eval(LanguageDefinition[Get]("Fortran")):-Printer;
    PrintTarget := proc()
        StringTools[UpperCase](Printer:-PrintTarget(args));
    end proc:
end module':

LanguageDefinitionAddUppercaseFortran,UppercaseFortran77

p1 := proc() sin(x+y*z)+trunc(x); end proc:

Translatep1,language=Fortran

      doubleprecision function p1 ()
        p1 = dsin(y * z + x) + dble(int(dint(x)))
        return
      end

Translatep1,language=UppercaseFortran

      DOUBLEPRECISION FUNCTION P1 ()
        P1 = DSIN(Y * Z + X) + DBLE(INT(DINT(X)))
        RETURN
      END

See Also

LanguageModule, Printer


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