Teledyne-lecroy USB Script Decode Manual Instrukcja Użytkownika Pobierz pdf (Strona 30)

CHAPTER 7

CATC Scripting Language for USB Statements

Trace ( HiThere() );

...

HiThere()

{

a = "Hi there";

return a;

b = "Goodbye";

return b;

}

will output only

Hi there

because when return a; is encountered, execution of the function terminates,

and the second return statement (return b;) is never processed. However,

Trace ( HiThere() );

...

HiThere()

{

a = "Hi there";

b = "Goodbye";

if(3!=3)return a;

else return b;

}

will output

Goodbye

because the if statement evaluates to false. This causes the first return statement

to be skipped. The function continues executing with the else statement, thereby

returning the value of b to be used as an argument to Trace.

Compound Statements

A compound statement, or statement block, is a group of one or more statements

that is treated as a single statement. A compound statement is always enclosed in

curly braces ( {} ). Each statement within the curly braces is followed by a semi-

colon; however, a semicolon is not used following the closing curly brace.

The syntax for a compound statement is

{

<first_statement>;

<second_statement>;

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Teledyne-lecroy USB Script Decode Manual Instrukcja Użytkownika Strona 30