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| − | == Basic EGL statements ==
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| − | EGL's basic syntax is similar to C, Java, and many other languages.
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| − |
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| − | Assign x to y
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| − | <source lang="pascal">
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| − | y = x;
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| − | </source>
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| − |
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| − | If-then statement
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| − | <source lang="pascal">
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| − | if ( x > 4 )
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| − | x = y;
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| − | end
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| − | </source>
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| − |
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| − | If-then-else statement
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| − | <source lang="pascal">
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| − | if ( x > 4 )
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| − | x = y;
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| − | else
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| − | x = 10;
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| − | end
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| − | </source>
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| − |
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| − | While loop
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| − | <source lang="pascal">
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| − | while ( x > 0 )
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| − | counter += 1;
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| − | x -= 1;
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| − | end
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| − | </source>
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| − |
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| − | Call a function
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| − | <source lang="pascal">
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| − | doSomething();
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| − | </source>
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| − |
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| − | Call a function, passing in parameters, and assign the result to a variable
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| − | <source lang="pascal">
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| − | z = doSomethingElse( 1, x, "hello", true );
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| − | </source>
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| − |
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| − | Return from a function
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| − | <source lang="pascal">
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| − | return;
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| − | </source>
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| − |
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| − | Return a value from a function
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| − | <source lang="pascal">
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| − | return ( x );
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| − | </source>
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| − |
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| − | Take one action out of several alternatives, depending on the value of an expression
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| − | <source lang="pascal">
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| − | case ( pickles + 57 + LIMIT )
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| − | when ( 1 )
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| − | y = 1;
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| − | when ( 2, 3, 4 )
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| − | y = 2;
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| − | when ( "hello", z )
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| − | y = 3;
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| − | when ( x )
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| − | y = 4;
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| − | otherwise
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| − | y = 5;
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| − | end
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| − | </source>
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| − |
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| − | Exception handling with the try-onException statement
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| − | <source lang="pascal">
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| − | try
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| − | addToAccount( 100 );
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| − | deductFromAccount( 100 );
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| − | onException ( ex AnyException )
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| − | SysLib.writeStderr( "Oh noes! " :: ex.message );
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| − | end
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| − | </source>
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| − |
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| − | Handling more than one kind of exception
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| − | <source lang="pascal">
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| − | try
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| − | addToAccount( 100 );
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| − | deductFromAccount( 100 );
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| − | onException ( ex1 AddException )
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| − | SysLib.writeStderr( ex1.message );
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| − | onException ( ex2 DeductException )
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| − | SysLib.writeStderr( ex2.message );
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| − | onException ( ex3 UserException )
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| − | SysLib.writeStderr( ex3.message );
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| − | end
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| − | </source>
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| − |
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| − |
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| − | <br>
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| − |
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| − | <br> <br>
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| − |
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| − |
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| − |
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| − | ♦ '''First''': [[EDT:Code_snippets|Code snippets main page]] <br>
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| − |
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| − |
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| − | [[Category:EDT]]
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