internal void EmitHelpers()
{
CompilationUnit unit = this.CompilationUnit;
ILEmitter il = new ILEmitter(DeclareHelperBuilder);
IndexedPlace script_context_place = new IndexedPlace(PlaceHolder.Argument, 0);
foreach (PhpFunction function in unit.GetDeclaredFunctions())
{
if (function.IsDefinite)
{
CodeGenerator.EmitDeclareFunction(il, script_context_place, function);
}
}
foreach (PhpType type in unit.GetDeclaredTypes())
{
if (type.IsDefinite)
{
// CALL <context>.DeclareType(<type desc>, <name>);
type.EmitAutoDeclareOnScriptContext(il, script_context_place);
}
else if (!type.IsComplete)
{
if (type.IncompleteClassDeclareMethodInfo != null)
{
// check whether base class is known at this point of execution,
// if so, declare this incomplete class immediately. As PHP does.
type.EmitDeclareIncompleteOnScriptContext(il, script_context_place);
}
}
}
foreach (GlobalConstant constant in unit.GetDeclaredConstants())
{
if (constant.IsDefinite)
{
var field = constant.RealField;
Debug.Assert(field != null);
Debug.Assert(field.IsStatic);
// CALL <context>.DeclareConstant(<name>, <value>);
script_context_place.EmitLoad(il);
il.Emit(OpCodes.Ldstr, constant.FullName);
il.LoadLiteralBox(constant.Value); //il.Emit(OpCodes.Ldsfld, field); // const field cannot be referenced in IL
il.Emit(OpCodes.Call, Methods.ScriptContext.DeclareConstant);
}
}
il.Emit(OpCodes.Ret);
}
/// <summary>
/// Emit the Script attribute with includes,includers,relativePath and timeStamp info.
/// </summary>
/// <param name="emitAttributes">Specifies single infos to emit.</param>
internal void SetScriptAttribute(ScriptAttributes emitAttributes)
{
// module to resolve type tokens from:
ModuleBuilder real_builder = this.AssemblyBuilder.RealModuleBuilder;
// [Script(timeStamp, relativePath)]
if ((emitAttributes & ScriptAttributes.Script) != 0)
{
// construct the [Script] attribute:
CustomAttributeBuilder cab = new CustomAttributeBuilder(Constructors.Script, new object[] { sourceTimestamp.Ticks, CompilationUnit.RelativeSourcePath });
ScriptTypeBuilder.SetCustomAttribute(cab);
}
// [ScriptIncluders(int[])]
if ((emitAttributes & ScriptAttributes.ScriptIncluders) != 0 && CompilationUnit.Includers.Count > 0)
{
// determine includers type token, remove duplicities:
int[] includers = ArrayUtils.Unique(Array.ConvertAll(CompilationUnit.Includers.ToArray(), x => real_builder.GetTypeToken(x.Includer.ScriptBuilder.ScriptType).Token)).ToArray();
// construct the [ScriptIncluders] attribute:
CustomAttributeBuilder cab = new CustomAttributeBuilder(Constructors.ScriptIncluders, new object[] { includers });
ScriptTypeBuilder.SetCustomAttribute(cab);
}
// [ScriptIncludees(int[],byte[])]
if ((emitAttributes & ScriptAttributes.ScriptIncludees) != 0 && CompilationUnit.Inclusions.Count > 0)
{
// determine inclusions type token, group by the token to remove duplicities:
var inclusionsGroup = ArrayUtils.Group(CompilationUnit.Inclusions.ToArray(), x => real_builder.GetTypeToken(x.Includee.ScriptClassType).Token);
// determine if single includees are at least once included unconditionally:
int[] inclusions = new int[inclusionsGroup.Count];
bool[] inclusionsConditionalFlag = new bool[inclusions.Length];
int i = 0;
foreach (var includee in inclusionsGroup)
{
// find any unconditional inclusion to mark this unified inclusion as unconditional
inclusionsConditionalFlag[i] = ArrayUtils.LogicalAnd(includee.Value, x => x.IsConditional);
//
inclusions[i] = includee.Key;
++i;
}
// construct the [ScriptIncluders] attribute:
CustomAttributeBuilder cab = new CustomAttributeBuilder(Constructors.ScriptIncludees, new object[] { inclusions, ScriptIncludeesAttribute.ConvertBoolsToBits(inclusionsConditionalFlag) });
ScriptTypeBuilder.SetCustomAttribute(cab);
}
// [ScriptDeclares(int[])]
if ((emitAttributes & ScriptAttributes.ScriptDeclares) != 0)
{
List <int> declaredTypesToken = new List <int>();
foreach (PhpType type in CompilationUnit.GetDeclaredTypes())
{
if (type.IsComplete && type.RealType != null)
{
declaredTypesToken.Add(real_builder.GetTypeToken(type.RealType).Token);
}
}
if (declaredTypesToken.Count > 0)
{
// construct the [ScriptDeclares] attribute:
CustomAttributeBuilder cab = new CustomAttributeBuilder(Constructors.ScriptDeclares, new object[] { declaredTypesToken.ToArray() });
ScriptTypeBuilder.SetCustomAttribute(cab);
}
}
}
