public RETURN(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public IS_NOT_IDENTICAL(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public void StoreToObjectOperator(OBJECT_OPERATOR oo, Expression value) {
// warn if left part is a function call
if (oo.Expr1 is FUNCTION_CALL) {
FUNCTION_CALL fc = (FUNCTION_CALL)oo.Expr1;
Report.Warn(404, fc.FunctionName, fc.Line, fc.Column);
if (ObjectOperatorInProgress) {
IlGen.Emit(OpCodes.Pop);
ObjectOperatorInProgress = false;
}
return;
}
// process left part
ObjectOperatorInProgress = true;
// local variable
if (oo.Expr1 is VARIABLE) {
VARIABLE var = (VARIABLE)oo.Expr1;
// handle $this->
if (var.Name == "$this") {
ProcessingObjectThisWhenStoring = true;
// if this is a static context, load object from which this static context was called
if (FD.Modifiers.Contains(Modifiers.STATIC)) {
Report.Warn(502, var.Line, var.Column);
IlGen.Emit(OpCodes.Ldsfld, PHPRuntimeCore.GetField("ThisForStaticContext"));
}
// otherwise load current object
else
IlGen.Emit(OpCodes.Ldarg_0);
if (var.Offset != null)
Report.Warn(401, CD.Name, var.Offset.Line, var.Offset.Column);
}
// some variable
else if (var.Name.StartsWith("$")) {
ProcessingObjectThisWhenStoring = false;
Visit(var);
}
// class member
else {
// if processing a class member of $this (of a non-static context), load directly
if (ProcessingObjectThisWhenStoring && !FD.Modifiers.Contains(Modifiers.STATIC))
LoadFromClassMemberOfThis(var.Name, var.Line, var.Column);
// else load at runtime by reflection
else
LoadFromClassMemberOfAnotherObject(var.Name);
ProcessingObjectThisWhenStoring = false;
// process offset, if available
if (var.Offset != null) {
// this is an array
if (var.Offset.Kind == OFFSET.SQUARE) {
if (var.Offset.Value == null)
IlGen.Emit(OpCodes.Ldnull);
else
Visit(var.Offset);
IlGen.Emit(OpCodes.Ldc_I4, OFFSET.SQUARE);
IlGen.Emit(OpCodes.Call, PHPRuntimeCore.GetMethod("Offset", new Type[] { typeof(object), typeof(object), typeof(int) }));
}
}
}
}
// paamayim nekudotayim
else if (oo.Expr1 is PAAMAYIM_NEKUDOTAYIM) {
PAAMAYIM_NEKUDOTAYIM pn = (PAAMAYIM_NEKUDOTAYIM)oo.Expr1;
LoadFromPaamayimNekudotayim(pn);
}
// process right part
if (oo.Expr2 is OBJECT_OPERATOR)
StoreToObjectOperator((OBJECT_OPERATOR)oo.Expr2, value);
else if (oo.Expr2 is VARIABLE) {
VARIABLE var2 = (VARIABLE)oo.Expr2;
// no offset available, so store to class member
if (var2.Offset == null) {
Visit(value);
// if processing a class member of $this, store directly
if (ProcessingObjectThisWhenStoring)
StoreToClassMemberOfThis(var2.Name, var2.Line, var2.Column);
// else store at runtime by reflection
else
StoreToClassMemberOfAnotherObject(var2.Name);
}
// array offset available, so store to specified place
else if (var2.Offset.Kind == OFFSET.SQUARE) {
IlGen.Emit(OpCodes.Dup);
IlGen.Emit(OpCodes.Dup);
// if processing a class member of $this, load directly
if (ProcessingObjectThisWhenStoring)
LoadFromClassMemberOfThis(var2.Name, var2.Line, var2.Column);
// else load at runtime by reflection
else
LoadFromClassMemberOfAnotherObject(var2.Name);
// if array loaded is null, create a new one and store
Label skip = IlGen.DefineLabel();
Label join = IlGen.DefineLabel();
IlGen.Emit(OpCodes.Brtrue, skip);
IlGen.Emit(OpCodes.Newobj, PHPArray.GetConstructor(Type.EmptyTypes));
// if processing a class member of $this, store directly
if (ProcessingObjectThisWhenStoring)
StoreToClassMemberOfThis(var2.Name, var2.Line, var2.Column);
// else store at runtime by reflection
else
StoreToClassMemberOfAnotherObject(var2.Name);
IlGen.Emit(OpCodes.Br, join);
IlGen.MarkLabel(skip);
IlGen.Emit(OpCodes.Pop);
IlGen.MarkLabel(join);
// if processing a class member of $this, load directly
if (ProcessingObjectThisWhenStoring)
LoadFromClassMemberOfThis(var2.Name, var2.Line, var2.Column);
// else load at runtime by reflection
else
LoadFromClassMemberOfAnotherObject(var2.Name);
// convert to Array (in case the variable was unset)
IlGen.Emit(OpCodes.Callvirt, PHPRuntimeConvert.GetMethod("ToArray", new Type[] { typeof(object) }));
// if no offset available, append without user defined key
if (var2.Offset.Value == null) {
Visit(value);
IlGen.Emit(OpCodes.Callvirt, PHPArray.GetMethod("Append", new Type[] { typeof(object) }));
}
// otherwise use user defined key
else {
Visit(var2.Offset.Value);
Visit(value);
IlGen.Emit(OpCodes.Callvirt, PHPArray.GetMethod("Append", new Type[] { typeof(object), typeof(object) }));
}
}
ObjectOperatorInProgress = false;
}
else if (oo.Expr2 is FUNCTION_CALL) {
FUNCTION_CALL fc = (FUNCTION_CALL)oo.Expr2;
Report.Warn(403, fc.FunctionName, fc.Line, fc.Column);
if (ObjectOperatorInProgress) {
IlGen.Emit(OpCodes.Pop);
ObjectOperatorInProgress = false;
}
return;
}
}
public INC(Expression expr, int kind, int line, int column)
: base(expr, line, column)
{
Kind = kind;
}
public INT_CAST(Expression expr, int line, int column)
: base(expr, line, column)
{
}
public ARRAY_PAIR(Expression key, Expression value, int line, int column)
: base(line, column)
{
Key = key;
Value = value;
}
public IF(Expression expr, Statement stmt, ArrayList elseifList, Statement elseStmt, int line, int column)
: base(line, column)
{
Expr = expr;
Stmt = stmt;
ElseifList = elseifList;
ElseStmt = elseStmt;
}
public BOOLEAN_OR(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public BREAK(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public UnaryExpression(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public BOOLEAN_NOT(Expression expr, int line, int column)
: base(expr, line, column)
{
}
public THROW(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public TernaryExpression(Expression expr1, Expression expr2, Expression expr3, int line, int column)
: base(line, column)
{
Expr1 = expr1;
Expr2 = expr2;
Expr3 = expr3;
}
public SWITCH(Expression expr, ArrayList switchCaseList, int line, int column)
: base(line, column)
{
Expr = expr;
SwitchCaseList = switchCaseList;
}
public EXPRESSION_AS_STATEMENT(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public CLONE(Expression expr, int line, int column)
: base(expr, line, column)
{
}
public FOREACH(Expression array, Expression key, Expression value, Statement stmt, int line, int column)
: base(line, column)
{
Array = array;
Key = key;
Value = value;
Stmt = stmt;
}
public CONCAT_EQUAL(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public GREATER(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public CONTINUE(Expression expr, int line, int column)
: base(line, column)
{
Expr = expr;
}
public IF_EXPR(Expression expr1, Expression expr2, Expression expr3, int line, int column)
: base(expr1, expr2, expr3, line, column)
{
}
public DO(Statement stmt, Expression expr, int line, int column)
: base(line, column)
{
Stmt = stmt;
Expr = expr;
}
public INSTANCEOF(Expression expr, string type, int line, int column)
: base(line, column)
{
Expr = expr;
Type = type;
}
public ELSEIF(Expression expr, Statement stmt, int line, int column)
: base(line, column)
{
Expr = expr;
Stmt = stmt;
}
public IS_LOWER_OR_EQUAL(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public EQUALS(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public LOGICAL_AND(Expression expr1, Expression expr2, int line, int column)
: base(expr1, expr2, line, column)
{
}
public EXIT(Expression expr, int line, int column)
: base(expr, line, column)
{
}
public void StoreToPaamayimNekudotayim(PAAMAYIM_NEKUDOTAYIM pn, Expression value) {
// handle self:: and parent::
if (pn.Type == "self")
pn.Type = CD.Name;
else if (pn.Type == "parent") {
if (CD.Extends == null)
Report.Error(503, pn.Line, pn.Column);
pn.Type = CD.Extends;
}
// process right part
if (pn.Expr is VARIABLE) {
VARIABLE var = (VARIABLE)pn.Expr;
string classMemberName = (var.Name.StartsWith("$")) ? var.Name.Remove(0, 1) : var.Name;
// no offset available, so store to class member
if (var.Offset == null) {
Visit(value);
// store
StoreToStaticClassMember(pn.Type, classMemberName, var.Line, var.Column);
}
// array offset available, so store to specified place
else if (var.Offset.Kind == OFFSET.SQUARE) {
// load
LoadFromStaticClassMember(pn.Type, classMemberName, var.Line, var.Column);
// if array loaded is null, create a new one and store
Label skip = IlGen.DefineLabel();
IlGen.Emit(OpCodes.Brtrue, skip);
IlGen.Emit(OpCodes.Newobj, PHPArray.GetConstructor(Type.EmptyTypes));
// store
StoreToStaticClassMember(pn.Type, classMemberName, var.Line, var.Column);
IlGen.MarkLabel(skip);
// load
LoadFromStaticClassMember(pn.Type, classMemberName, var.Line, var.Column);
// convert to Array (in case the variable was unset)
IlGen.Emit(OpCodes.Callvirt, PHPRuntimeConvert.GetMethod("ToArray", new Type[] { typeof(object) }));
// if no offset available, append without user defined key
if (var.Offset.Value == null) {
Visit(value);
IlGen.Emit(OpCodes.Callvirt, PHPArray.GetMethod("Append", new Type[] { typeof(object) }));
}
// otherwise use user defined key
else {
Visit(var.Offset.Value);
Visit(value);
IlGen.Emit(OpCodes.Callvirt, PHPArray.GetMethod("Append", new Type[] { typeof(object), typeof(object) }));
}
}
}
else if (pn.Expr is FUNCTION_CALL) {
Report.Error(408, pn.Line, pn.Column);
return;
}
}
public BinaryExpression(Expression expr1, Expression expr2, int line, int column)
: base(line, column)
{
Expr1 = expr1;
Expr2 = expr2;
}