Syntax Diagrams /text/sbasic/shared/conventions.xhp Syntax diagrams; How to read Statements syntax;How to read Typographical conventions

How to Read Syntax Diagrams and Statements

%PRODUCTNAME Basic statements use syntax diagrams and textual conventions that follow these typographical rules: %PRODUCTNAME 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 %PRODUCTNAME 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 %PRODUCTNAME 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] Items inside brackets are optional, alternatives are indicated with a vertical bar, case[[sep]…] An ellipsis indicates a possible repetition, an optional separator may be specified, {choice1|choice2} Items inside curly braces are compulsory, alternatives are indicated with a vertical bar.

[ [label:] statement [: …] ] [{REM|'} text] A set of %PRODUCTNAME 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.

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