/// <summary>
/// Builds a code document manually and uses <see cref="LSLCodeFormatter"/> to
/// write the tree to standard output.
/// </summary>
private static void PrettyPrintExample()
{
Console.WriteLine("Pretty Print DOM Example.");
Console.WriteLine();
Console.WriteLine("======================");
Console.WriteLine();
LSLCompilationUnitNode program = new LSLCompilationUnitNode();
var globalVar1 = LSLVariableDeclarationNode.CreateGlobalVar(LSLType.Rotation, "rot",
new LSLRotationLiteralNode(new LSLFloatLiteralNode(3.0f), new LSLFloatLiteralNode(3.0f),
new LSLFloatLiteralNode(3.0f), new LSLFloatLiteralNode(3.0f))
);
var globalVar2 = LSLVariableDeclarationNode.CreateGlobalVar(LSLType.Vector, "vec",
new LSLVectorLiteralNode(new LSLFloatLiteralNode(3.0f), new LSLFloatLiteralNode(3.0f),
new LSLFloatLiteralNode(3.0f))
);
var globalVar3 = LSLVariableDeclarationNode.CreateGlobalVar(LSLType.Integer, "int", new LSLIntegerLiteralNode(0));
program.Add(globalVar1);
program.Add(globalVar2);
program.Add(globalVar3);
var llSay = LSLFunctionSignature.Parse("llSay(integer chan, string msg);");
var callSay = new LSLFunctionCallNode(llSay, new LSLIntegerLiteralNode(0),
new LSLStringLiteralNode("hello world"));
var callSay2 = new LSLFunctionCallNode(llSay, new LSLIntegerLiteralNode(0),
new LSLStringLiteralNode("HELLO WORLD"));
int scopeId = 0;
var funCode = new LSLCodeScopeNode(++scopeId);
{
var init = new LSLBinaryExpressionNode(LSLType.Integer, globalVar3.CreateReference(),
LSLBinaryOperationType.Assign, new LSLIntegerLiteralNode(0));
var cond = new LSLBinaryExpressionNode(LSLType.Integer, globalVar3.CreateReference(),
LSLBinaryOperationType.LessThan, new LSLIntegerLiteralNode(100));
var after = new LSLPostfixOperationNode(LSLType.Integer, globalVar3.CreateReference(),
LSLPostfixOperationType.Increment);
funCode.AddStatement(
new LSLForLoopNode(init, cond, after,
new LSLCodeScopeNode(++scopeId, callSay.Clone()))
);
funCode.AddStatement(
new LSLDoLoopNode(
new LSLCodeScopeNode(++scopeId, callSay2.Clone()),
cond.Clone())
);
}
var myFunc = new LSLFunctionDeclarationNode(LSLType.Void, "my_function", funCode);
program.Add(myFunc);
scopeId = 0;
var eventCode = new LSLCodeScopeNode(++scopeId);
{
eventCode.AddStatement(LSLVariableDeclarationNode.CreateLocalVar(LSLType.List, "localVar",
new LSLListLiteralNode(new LSLIntegerLiteralNode(3), new LSLIntegerLiteralNode(4))
));
var label = new LSLLabelStatementNode("label");
eventCode.PreDefineLabel(label);
var ic = new LSLCodeScopeNode(++scopeId);
{
ic.AddStatement(new LSLJumpStatementNode(label));
ic.AddStatement(callSay.Clone());
ic.AddStatement(new LSLFunctionCallNode(myFunc));
ic.AddStatement(callSay.Clone());
ic.EndScope();
}
eventCode.AddStatement(ic);
eventCode.AddStatement(label);
}
eventCode.EndScope();
var e = new LSLEventHandlerNode("state_entry", eventCode);
program.DefaultState.Add(e);
var constant = LSLVariableDeclarationNode.CreateLibraryConstant(LSLType.Integer, "TRUE");
scopeId = 0;
program.Add(
new LSLStateScopeNode("my_state")
{
new LSLEventHandlerNode("state_entry",
new LSLCodeScopeNode(++scopeId,
new LSLExpressionStatementNode(new LSLFunctionCallNode(llSay, new LSLIntegerLiteralNode(0), new LSLStringLiteralNode("hello world"))),
new LSLDoLoopNode(
new LSLCodeScopeNode(++scopeId, new LSLFunctionCallNode(myFunc))
{
IsSingleStatementScope = true
},
constant.CreateReference()
),
new LSLWhileLoopNode(
constant.CreateReference(),
new LSLCodeScopeNode(++scopeId, new LSLFunctionCallNode(myFunc))
),
new LSLControlStatementNode(
new LSLIfStatementNode(constant.CreateReference(),
new LSLCodeScopeNode(++scopeId, new LSLFunctionCallNode(myFunc))
{
IsSingleStatementScope = true
}
)
),
new LSLControlStatementNode(
new LSLIfStatementNode(constant.CreateReference(),
new LSLCodeScopeNode(++scopeId, new LSLFunctionCallNode(myFunc)
)),
new []
{
new LSLElseIfStatementNode(globalVar3.CreateReference(),
new LSLCodeScopeNode(++scopeId, new LSLFunctionCallNode(myFunc), new LSLFunctionCallNode(myFunc))
)
},
new LSLElseStatementNode(
new LSLCodeScopeNode(++scopeId,
new LSLPrefixOperationNode(LSLType.Integer, LSLPrefixOperationType.Increment, globalVar3.CreateReference()
)
)
)
)
)
)
});
var formatter = new LSLCodeFormatter();
Console.WriteLine("Print Compilation Unit:");
Console.WriteLine();
formatter.Format(program, Console.Out);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Print Specific Event Node:");
Console.WriteLine();
formatter.Format(program.DefaultState.EventHandlers.First(), Console.Out);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Print Specific Function Call:");
Console.WriteLine();
formatter.Format(callSay, Console.Out);
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("======================");
}
