/// <summary>
/// Generate duck-type interface file for the specified AST.
/// </summary>
/// <param name="globalCode">Source AST</param>
public void ProcessModule(GlobalCode globalCode)
{
currentModule = new DuckModule(globalCode.SourceUnit.SourceFile.RelativePath.ToString());
globalCode.VisitMe(this);
moduleList.Add(currentModule);
}
/// <summary>
/// Visit global scope element and all children.
/// </summary>
/// <param name="x">GlobalCode.</param>
public virtual void VisitGlobalCode(GlobalCode x)
{
VisitStatements(x.Statements);
}
/// <summary>
/// Visit global scope element and all children.
/// </summary>
/// <param name="x">GlobalCode.</param>
public virtual void VisitGlobalCode(GlobalCode x)
{
VisitStatementList(x.Statements);
}
/// <summary>
/// Emits a load of the value stored to the result place if available.
/// </summary>
public void EmitRoutineEpilogue(GlobalCode globalCode, bool transient)
{
IncludingEx appendedInclusion;
if (globalCode != null && (appendedInclusion = globalCode.NodeCompiler<IGlobalCodeCompiler>().AppendedInclusion) != null)
{
// marks the return label, however return value is ignored since it is
// overriden by appended script's return value (TODO: HOW DOES PHP BEHAVE?):
if (ResultPlace != null)
il.MarkLabel(ReturnLabel);
// IF (<is main script>) LOAD <appended file script>.Main(...):
appendedInclusion.Emit(this);
// returns the value retured by the appended script:
il.Emit(OpCodes.Ret);
}
else
{
if (globalCode != null && !transient)
{
// returns default value of the Main routine:
il.LoadLiteral(ScriptModule.DefaultMainReturnValue);
il.Emit(OpCodes.Box, ScriptModule.DefaultMainReturnValue.GetType());
}
else
{
// function or method contains no return statement:
if (ReturnsPhpReference)
il.Emit(OpCodes.Newobj, Constructors.PhpReference_Void);
else
il.Emit(OpCodes.Ldnull);
}
il.Emit(OpCodes.Ret);
if (ResultPlace != null)
{
// there is a return statement branching to the ReturnLabel and returning value
// stored in the ReturnPlace:
il.MarkLabel(ReturnLabel);
ResultPlace.EmitLoad(il);
il.Emit(OpCodes.Ret);
}
}
}
