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Correct ABAP md highlights

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danrega
2023-05-03 14:24:14 +02:00
parent c3a3b94b28
commit fe10b5d3cf
11 changed files with 553 additions and 575 deletions
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107
05_Constructor_Expressions.md
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@@ -107,9 +107,9 @@ Example: Structure
``` abap
"Creating a structured type
TYPES: BEGIN OF struc_type,
          a   TYPE i,
          b   TYPE c LENGTH 3,
        END OF struc_type.
a TYPE i,
b TYPE c LENGTH 3,
END OF struc_type.
DATA struc TYPE struc_type. "Structured data object
@@ -186,12 +186,12 @@ demonstrates a nested structure.
``` abap
"Creating a nested structure
DATA: BEGIN OF nested_struc,
        a TYPE i,
        BEGIN OF struct,
          b TYPE i,
          c TYPE c LENGTH 3,
        END OF struct,
      END OF nested_struc.
a TYPE i,
BEGIN OF struct,
b TYPE i,
c TYPE c LENGTH 3,
END OF struct,
END OF nested_struc.
"Filling the deep structure
nested_struc = VALUE #( a = 1 struct = VALUE #( b = 2 c = 'abc' ) ).
@@ -366,10 +366,8 @@ two statements are not the same:
you get a [reference
variable](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abenreference_variable_glosry.htm "Glossary Entry")
that points to the created object. In doing so, the operator
basically replaces [CREATE
DATA](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_data.htm)
and [CREATE
OBJECT](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_object.htm).
basically replaces [`CREATE DATA`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_data.htm)
and [`CREATE OBJECT`](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abapcreate_object.htm).
- For the type specification preceding the parentheses, you can use
- non-generic data types which creates a [data reference
variable](https://help.sap.com/doc/abapdocu_cp_index_htm/CLOUD/en-US/index.htm?file=abendata_reference_variable_glosry.htm "Glossary Entry")
@@ -556,14 +554,14 @@ Examples:
``` abap
"Leads to a data loss when converting to a data object accepting only a single character
TRY.
  DATA(exact1) = EXACT abap_bool( 'XY' ).
  CATCH CX_SY_CONVERSION_DATA_LOSS INTO DATA(error1).
DATA(exact1) = EXACT abap_bool( 'XY' ).
CATCH CX_SY_CONVERSION_DATA_LOSS INTO DATA(error1).
ENDTRY.
"The calculation cannot be executed exactly; a rounding is necessary
TRY.
  DATA(exact2) = EXACT decfloat34( 1 / 3 ).
  CATCH CX_SY_CONVERSION_ROUNDING INTO DATA(error2).
DATA(exact2) = EXACT decfloat34( 1 / 3 ).
CATCH CX_SY_CONVERSION_ROUNDING INTO DATA(error2).
ENDTRY.
```
@@ -591,7 +589,7 @@ Examples:
"Data references
"Declaring data object and assign value
DATA number TYPE i VALUE 5.
DATA num TYPE i VALUE 5.
"Declaring data reference variable
@@ -599,7 +597,7 @@ DATA dref_a TYPE REF TO i.
"Getting references
dref_a = REF #( number ).
dref_a = REF #( num ).
"Inline declaration and explicit type specification
DATA(dref_b) = REF string( `hallo` ).
@@ -640,14 +638,12 @@ DATA(oref_b) = REF #( oref_a ).
examples:
``` abap
"Getting component information
DATA(components) =
  CAST cl_abap_structdescr(
    cl_abap_typedescr=>describe_by_data( some_object ) )->components.
DATA(components) = CAST cl_abap_structdescr(
cl_abap_typedescr=>describe_by_data( some_object ) )->components.
"Getting method information
DATA(methods) =
  CAST cl_abap_objectdescr(
    cl_abap_objectdescr=>describe_by_name( 'LOCAL_CLASS' ) )->methods.
DATA(methods) = CAST cl_abap_objectdescr(
cl_abap_objectdescr=>describe_by_name( 'LOCAL_CLASS' ) )->methods.
```
<p align="right">(<a href="#top">back to top</a>)</p>
@@ -674,9 +670,9 @@ DATA(methods) =
Example:
``` abap
DATA(b) = COND #( WHEN a BETWEEN 1 AND 3 THEN w
                  WHEN a > 4 THEN x
                  WHEN a IS INITIAL THEN y
                  ELSE z ).
WHEN a > 4 THEN x
WHEN a IS INITIAL THEN y
ELSE z ).
```
<p align="right">(<a href="#top">back to top</a>)</p>
@@ -693,10 +689,10 @@ checked in the case distinction.
``` abap
DATA(b) = SWITCH #( a
                    WHEN 1 THEN w
                    WHEN 2 THEN x
                    WHEN 3 THEN y
                    ELSE z ).
WHEN 1 THEN w
WHEN 2 THEN x
WHEN 3 THEN y
ELSE z ).
```
<p align="right">(<a href="#top">back to top</a>)</p>
@@ -750,11 +746,11 @@ DATA(f7) = FILTER #( itab3 WHERE num = 3 ).
"are used for which at least one line in the filter table meets the condition. EXCEPT and USING KEY are also possible.
DATA filter_tab1 TYPE SORTED TABLE OF i
WITH NON-UNIQUE KEY table_line.
WITH NON-UNIQUE KEY table_line.
DATA filter_tab2 TYPE STANDARD TABLE OF i
WITH EMPTY KEY
WITH UNIQUE SORTED KEY line COMPONENTS table_line.
WITH EMPTY KEY
WITH UNIQUE SORTED KEY line COMPONENTS table_line.
DATA(f8) = FILTER #( itab1 IN filter_tab1 WHERE num = table_line ).
@@ -784,9 +780,10 @@ DATA(f11) = FILTER #( itab2 USING KEY sec_key EXCEPT IN filter_tab2 WHERE num =
The following example calculates the total of the numbers from 1 to 10
using the `REDUCE` operator:
``` abap
"sum: 55
DATA(sum) = REDUCE i( INIT s = 0
                      FOR  i = 1 UNTIL i > 10
                      NEXT s += i ) ). "sum: 55
FOR  i = 1 UNTIL i > 10
NEXT s += i ) ).
```
> **💡 Note**<br>
@@ -830,8 +827,8 @@ has the same effect as the example using `UNTIL` shown above.
``` abap
DATA(sum) = REDUCE i( INIT y = 0
                      FOR n = 1 THEN n + 1 WHILE n < 11
                      NEXT y += n ).
FOR n = 1 THEN n + 1 WHILE n < 11
NEXT y += n ).
```
`FOR ... UNTIL`: See the example in the `REDUCE`
@@ -865,17 +862,17 @@ tables:
TYPES t_type LIKE itab.
... = VALUE t_type( FOR wa IN itab
                    "WHERE ( comp1 > 2 )
                    ( wa ) ).
"WHERE ( comp1 > 2 )
( wa ) ).
"Storing specific components having different names by specifying the assignment
"individually; assumption: the target type is not compatible to the type of itab;
"a field mapping is provided; pay attention to potential type conversion
... = VALUE t_type( FOR wa IN itab
                    "WHERE ( comp1 > 2 )
                    ( compX = wa-comp1
                      compY = wa-comp2 ) ).
"WHERE ( comp1 > 2 )
( compX = wa-comp1
compY = wa-comp2 ) ).
"Storing specific components having the same names;
"assumption: Target type is not compatible to the type of itab;
@@ -883,17 +880,17 @@ TYPES t_type LIKE itab.
"also use CORRESPONDING
... = VALUE t_type( FOR wa IN itab
                    "WHERE ( comp1 > 2 )
                    ( CORRESPONDING #( wa ) ) ).
"WHERE ( comp1 > 2 )
( CORRESPONDING #( wa ) ) ).
"Multiple iteration expressions
... = VALUE t_type( FOR wa1 IN itab1 WHERE ( comp1 = 4 )
                    FOR wa2 IN itab2 WHERE ( comp2 > 5 )
                    FOR wa3 IN itab3 WHERE ( comp3 < 3 )
                    ( compX = wa1-comp1
                      compY = wa2-comp2
                      compZ = wa3-comp3 ) ).
FOR wa2 IN itab2 WHERE ( comp2 > 5 )
FOR wa3 IN itab3 WHERE ( comp3 < 3 )
( compX = wa1-comp1
compY = wa2-comp2
compZ = wa3-comp3 ) ).
```
<p align="right">(<a href="#top">back to top</a>)</p>
@@ -922,10 +919,10 @@ DATA(str_tab) = VALUE string_table( LET it = `be` IN
"Conditional expressions
DATA(a) = COND #( LET b = c IN
                  WHEN b > x THEN ...
                  WHEN b < y THEN ...
                  ...
                  ELSE ... ).
WHEN b > x THEN ...
WHEN b < y THEN ...
...
ELSE ... ).
```
<p align="right">(<a href="#top">back to top</a>)</p>