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z_sitfra_2016.prog.abap
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z_sitfra_2016.prog.abap
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REPORT z_sitfra_2016.
INCLUDE z_sitfra_2016_.
" .__ __ _____________________ _____ _______________ ____ ________
" _____|__|/ |\_ _____/\______ \ / _ \ \_____ \ _ \/_ |/ _____/
" / ___/ \ __\ __) | _/ / /_\ \ / ____/ /_\ \| / __ \
" \___ \| || | | \ | | \/ | \ / \ \_/ \ \ |__\ \
" /____ >__||__| \___ / |____|_ /\____|__ / \_______ \_____ /___|\_____ /
" \/ \/ \/ \/ \/ \/ \/
"
" 10 tips to improve your ABAP debugging workflow
"
CLASS sit_fra_debugging_tips DEFINITION.
PUBLIC SECTION.
METHODS:
start_presentation,
constructor.
PRIVATE SECTION.
METHODS:
_0__intro,
_0_5__why_improve_debugging,
_1__debugger_steps,
_2__traces,
_3__layer_aware_debugging,
_4__auto_variable_tab,
_5__conditional_watchpoint,
_6__conditional_breakpoint,
_7__debugger_scripting,
_8__debug_external_dialog,
_9__abap_in_eclipse,
_10_automation,
_11_do_debug_retrospectives,
_12_educate_yourself,
_13_the_end.
METHODS:
_watchpoint_at_field_symbol,
_bp_at_select_db_tab,
_static_select,
_dynamic_select,
_select_with_joins,
_bp_at_pattern_match,
_inspect_log,
_test_auto_1
RETURNING
VALUE(r_success) TYPE abap_bool,
_test_auto_2
RETURNING
VALUE(r_text) TYPE string,
who_am_i
IMPORTING
name TYPE string OPTIONAL
age TYPE int4 OPTIONAL
company TYPE string OPTIONAL
location TYPE string OPTIONAL
job_title TYPE string OPTIONAL
number_of_sap_inside_tracks TYPE int4 OPTIONAL
first_time_speaker TYPE abap_bool OPTIONAL,
the_topic_is_about
IMPORTING
what TYPE string,
the_goal_is
IMPORTING
that_everyone TYPE string,
apply_the_scientific_method,
start_directly_from_debugger
IMPORTING
trace TYPE string,
use_your_keyboard,
learn_the_shortcuts,
use_alt_and_letter_shortcuts
IMPORTING
when TYPE string,
context_menu,
automate_the_debugger_with
IMPORTING
with TYPE string,
you_should_watch
IMPORTING
title TYPE csequence
subtitle TYPE csequence
url TYPE csequence
cost TYPE csequence,
you_should_read
IMPORTING
title TYPE csequence
subtitle TYPE csequence
url TYPE csequence
cost TYPE csequence,
think_about
IMPORTING
what_to_think_about TYPE string,
who_has_learned
IMPORTING
what TYPE string,
thank_you,
automate
IMPORTING
what TYPE string OPTIONAL
everything_that TYPE string OPTIONAL
PREFERRED PARAMETER what,
but_it_is_very_personal,
do_some_logging
RETURNING VALUE(ro_log) TYPE REF TO lcl_log,
chain
IMPORTING
in_1 TYPE csequence
in_2 TYPE csequence
in_3 TYPE csequence
RETURNING
VALUE(r_result) TYPE string,
chain_in_1
RETURNING
VALUE(r_result) TYPE string,
chain_in_2
RETURNING
VALUE(r_result) TYPE string,
chain_in_3
RETURNING
VALUE(r_result) TYPE string,
do_complex_stuff
IMPORTING
in TYPE i
EXCEPTIONS
something_went_wrong,
do_other_stuff
IMPORTING
in TYPE i
EXCEPTIONS
something_went_wrong
fatal_error,
do_stuff,
learning_by_doing,
access_the_sources
IMPORTING
url TYPE csequence,
watch_the_video
IMPORTING
url TYPE csequence,
what_makes_a_good_debugger
IMPORTING ingredient TYPE string,
we_focus_on_the_tools
IMPORTING
know_your_tools TYPE abap_bool OPTIONAL
apply_your_tools_efficiently TYPE abap_bool OPTIONAL,
set_external_breakpoint,
set_user_to_dialog_user
IMPORTING
i_path TYPE csequence,
dialog_user_execute_ok_code
IMPORTING
i_ok_code TYPE string.
CONSTANTS:
experience TYPE string VALUE '',
intuition TYPE string VALUE '',
tools TYPE string VALUE '',
luck TYPE string VALUE ''.
TYPES: BEGIN OF ty_data,
i TYPE i,
s TYPE string,
END OF ty_data,
tty_data TYPE HASHED TABLE OF ty_data
WITH UNIQUE KEY i.
DATA: itab TYPE tty_data.
CONSTANTS:
learns_at_least_one_new_thing TYPE string VALUE '',
st05 TYPE string VALUE '',
se30 TYPE string VALUE '',
there_are_no_shortcuts TYPE string VALUE '',
autohotkey TYPE string VALUE '',
autoit TYPE string VALUE '',
debugger_scripting TYPE string VALUE '',
sap_gui_scripting TYPE string VALUE '',
and_other_automation_tools TYPE string VALUE '',
debugging TYPE string VALUE '',
and_the_process_of_debugging TYPE string VALUE '',
after_a_successful_session TYPE string VALUE '',
at_least_one_new_thing TYPE string VALUE '',
the_boring_stuff TYPE string VALUE '',
breaks_your_flow TYPE string VALUE ''.
ENDCLASS.
" .__ __ _____________________ _____ _______________ ____ ________
" _____|__|/ |\_ _____/\______ \ / _ \ \_____ \ _ \/_ |/ _____/
" / ___/ \ __\ __) | _/ / /_\ \ / ____/ /_\ \| / __ \
" \___ \| || | | \ | | \/ | \ / \ \_/ \ \ |__\ \
" /____ >__||__| \___ / |____|_ /\____|__ / \_______ \_____ /___|\_____ /
" \/ \/ \/ \/ \/ \/ \/
"
" 10 tips to improve your ABAP debugging workflow
"
CLASS sit_fra_debugging_tips IMPLEMENTATION.
METHOD start_presentation.
_0__intro( ).
_0_5__why_improve_debugging( ).
_1__debugger_steps( ).
_2__traces( ).
_3__layer_aware_debugging( ).
_4__auto_variable_tab( ).
_5__conditional_watchpoint( ).
_6__conditional_breakpoint( ).
_7__debugger_scripting( ).
_8__debug_external_dialog( ).
_9__abap_in_eclipse( ).
_10_automation( ).
_11_do_debug_retrospectives( ).
_12_educate_yourself( ).
_13_the_end( ).
ENDMETHOD.
METHOD _0__intro.
who_am_i(:
name = 'Christian Günter' ),
age = 29 ),
company = 'Hansgrohe SE' ),
location = 'Black Forest' ),
job_title = 'SAP software developer' ),
number_of_sap_inside_tracks = 6 ),
first_time_speaker = abap_true ).
the_topic_is_about(:
debugging ),
and_the_process_of_debugging ).
the_goal_is( that_everyone = learns_at_least_one_new_thing ).
ENDMETHOD.
METHOD _0_5__why_improve_debugging.
what_makes_a_good_debugger(:
experience ),
intuition ),
tools ),
luck ).
we_focus_on_the_tools(:
know_your_tools = abap_true ),
apply_your_tools_efficiently = abap_true ).
apply_the_scientific_method(
"
" THE SCIENTIFIC METHOD
"
"
" +-----------+
" |Observation| observe failure (bug)
" +----+------+
" |
" |
" v
" +----+-----+
" +------>+Hypothesis| invent hypothesis
" | +----+-----+ which is consistent with observation
" | |
" | |
" | v
" | +----+-----+ test the hypothesis by experiments
" +-------+Experiment| refine the hypothesis
" +----+-----+ create alternative hypothesis
" |
" |
" v
" +----+-----+
" |root Cause| the hypothesis can
" +----------+ no longer be refined
).
ENDMETHOD.
METHOD _1__debugger_steps.
"Stepwise debugging of statements
IF matches( regex = '\d{8}'
val = sy-datum )
AND contains_any_of( val = |Hello World!|
start = sy-abcde )
AND substring_after( val = 'This a Test'
regex = `a` ) = ' Test'
AND nmax( val1 = 123
val2 = '123.1' ) = 123
AND itab = VALUE tty_data( ( i = 1 s = 'Test' )
( i = 2 s = `1234 ` ) ).
cl_demo_output=>display( 'Condition is true' ).
ENDIF.
IF 1 = 1.
ENDIF.
TYPES: BEGIN OF simple_data,
i TYPE i,
s TYPE string,
END OF simple_data.
TYPES: BEGIN OF complex_data,
i TYPE i,
s TYPE string,
c TYPE char01,
d TYPE datum,
simple TYPE simple_data,
END OF complex_data,
t_complex_data TYPE HASHED TABLE OF complex_data
WITH UNIQUE KEY i.
DATA(complex_tab) = VALUE t_complex_data(
LET x = sy-datum * 2
i = REDUCE i( INIT sum = 0
FOR n IN VALUE int_tab1( FOR j = 1 WHILE j < 10 ( j ) )
NEXT sum = sum + 1 )
IN ( i = 0 s = |Test| c = 'X' d = x
simple = VALUE #( LET z = COND #( WHEN sy-datum < '20160209' THEN 1
ELSE 2 )
IN i = cl_abap_random_int=>create( seed = CONV #( sy-datum )
min = 0
max = 42 )->get_next( )
s = z ) )
( i = i ) ).
ENDMETHOD.
METHOD _7__debugger_scripting.
" Stop when selecting specific DB-Table
_bp_at_select_db_tab( ).
_watchpoint_at_field_symbol( ).
" Stop when matching a specific pattern in the Source-Code line
_bp_at_pattern_match( ).
_inspect_log( ).
ENDMETHOD.
METHOD _watchpoint_at_field_symbol.
DATA(numbers) = VALUE int_tab1( ( 1 )
( 1 )
( 2 )
( 2 )
( 2 )
( 3 ) ).
FIELD-SYMBOLS: <number> LIKE LINE OF numbers.
LOOP AT numbers ASSIGNING <number>.
ENDLOOP.
ENDMETHOD.
METHOD _bp_at_select_db_tab.
_static_select( ).
_dynamic_select( ).
_select_with_joins( ).
ENDMETHOD.
METHOD _static_select.
SELECT * FROM t100a INTO TABLE @DATA(t100a_tab)
UP TO 10 ROWS.
SELECT * FROM t100 INTO TABLE @DATA(t100_tab)
UP TO 10 ROWS.
ENDMETHOD.
METHOD _dynamic_select.
DATA: t100a_tab TYPE STANDARD TABLE OF t100a
WITH NON-UNIQUE EMPTY KEY.
DATA: t100_tab TYPE STANDARD TABLE OF t100
WITH NON-UNIQUE EMPTY KEY.
DATA(table) = |T100A|.
SELECT * INTO TABLE t100a_tab
FROM (table)
UP TO 10 ROWS.
table = |T100|.
SELECT * INTO TABLE t100_tab
FROM (table)
UP TO 10 ROWS.
ENDMETHOD.
METHOD _select_with_joins.
SELECT * FROM e070
INNER JOIN e071 ON e070~trkorr = e071~trkorr
INTO TABLE @DATA(lt_data)
UP TO 10 ROWS.
ENDMETHOD.
METHOD _bp_at_pattern_match.
DATA(booking_code) = '0123'.
booking_code = '0815'.
booking_code = '0816'.
booking_code = '0817'.
booking_code = '0813'.
booking_code = '0812'.
booking_code = '0811'.
booking_code = '0810'.
ENDMETHOD.
METHOD _inspect_log.
DATA(log) = do_some_logging( ).
ENDMETHOD.
METHOD _3__layer_aware_debugging.
ENDMETHOD.
METHOD _4__auto_variable_tab.
IF _test_auto_1( ) = abap_true AND
_test_auto_2( ) = 'Hallo Welt!'.
cl_demo_output=>display( 'Condition is true' ).
ENDIF.
DATA(chain_result) = chain( in_1 = chain_in_1( )
in_2 = chain_in_2( )
in_3 = chain_in_3( ) ).
ENDMETHOD.
METHOD _test_auto_1.
r_success = abap_true.
ENDMETHOD.
METHOD _test_auto_2.
r_text = |Hallo Welt|.
ENDMETHOD.
METHOD _5__conditional_watchpoint.
do_stuff( ).
ENDMETHOD.
METHOD _6__conditional_breakpoint.
do_stuff( ).
ENDMETHOD.