SAP SWA_EXPRESSION_INPUT_CONVERT Function Module for

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SWA_EXPRESSION_INPUT_CONVERT is a standard swa expression input convert SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for swa expression input convert FM, simply by entering the name SWA_EXPRESSION_INPUT_CONVERT into the relevant SAP transaction such as SE37 or SE38.

Function Group: SWA5
Program Name: SAPLSWA5
Main Program: SAPLSWA5
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function SWA_EXPRESSION_INPUT_CONVERT pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'SWA_EXPRESSION_INPUT_CONVERT'"
  EXPORTING
*  EXPRESSION_IN =  "Enter expression (CHAR string)
*  CONSTANT_REFERENCE =  "
*  REFERENCE_ELEMENT =  "
*  PRESERVE_CASE =  "

 IMPORTING
   EXPRESSION =  "Internal CHAR representation of expression

EXCEPTIONS
   PARAMETER_ERROR = 1    CONVERSION_PROBLEM = 2 

.

IMPORTING Parameters details for SWA_EXPRESSION_INPUT_CONVERT

EXPRESSION_IN - Enter expression (CHAR string)

Data type: SWAEXPDEF-EXPR
Optional: Yes
Call by Reference: No ( called with pass by value option)

CONSTANT_REFERENCE -

Data type: SWACONSREF
Optional: Yes
Call by Reference: No ( called with pass by value option)

REFERENCE_ELEMENT -

Data type: IF_SWF_CNT_ELEMENT
Optional: Yes
Call by Reference: Yes

PRESERVE_CASE -

Data type: XFELD
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for SWA_EXPRESSION_INPUT_CONVERT

EXPRESSION - Internal CHAR representation of expression

Data type: SWAEXPDEF-EXPR
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

PARAMETER_ERROR - Call with inconsistent parameters

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

CONVERSION_PROBLEM - Problems converting according to reference

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for SWA_EXPRESSION_INPUT_CONVERT Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM SWA_EXPRESSION_INPUT_CONVERT

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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