Com llegir Diagrames i declaracions

Les expressions del LibreOffice Basic utilitzen diagrames de sintaxi i convencions textuals que segueixen aquestes regles tipogràfiques:

LibreOffice Basic keywords or functions use proper casing: Call, DimArray, InputBox, Property.
Lowercase characters indicate information to supply: end, expression, start, variable.

The syntax of a LibreOffice Basic one line statement is illustrated herewith:

Diagram example

Basic statement diagrams start and end with double vertical bars,
Loops indicate a possible repetition, an optional separator may be present,
Rectangles denote subsequent diagram fragments,
Diagram fragments extremities exhibit single vertical bars.

syntax of a statement

A set of LibreOffice Basic statements - with optional labels - is using a colon : sign to separate them, it can be terminated with an optional comment. REM or an apostrophe sign introduce a comment.

diagram fragment

Textual example

[opt1|opt2|opt3] Els ítems de entre parèntesis són alternatives opcionals que s'indiquen amb una barra vertical
El cas [[sep]...] Un el·lipsi indica una possible repetició es pot especificar un separador opcional
{choice1|choice2} ítems dins de claus són alternatives obligatòries que s'indiquen amb una barra vertical.

[ [label:] statement [: …] ] [{REM|'} text]

A set of LibreOffice Basic statements - with optional labels - is using a colon : sign to separate them, it can be terminated with an optional comment. REM or an apostrophe sign introduce a comment.

Exemple:


       Sub Main
           GoTo there ' skip first statement
           here: Print 1, : there: Print 2 REM explanatory text here
       End Sub