private void VisitAssignment(base_function_call en)
{
for (int i = 1; i < en.parameters.Count; i++)
{
VisitExpression(en.parameters[i]);
}
expression_node p = en.parameters[0];
switch (p.semantic_node_type)
{
case semantic_node_type.local_variable_reference: IncreaseNumAssVar((local_variable_reference)p); break;
case semantic_node_type.local_block_variable_reference: IncreaseNumAssVar((local_block_variable_reference)p); break;
case semantic_node_type.namespace_variable_reference: IncreaseNumAssVar((namespace_variable_reference)p); break;
case semantic_node_type.class_field_reference: VisitExpression((p as class_field_reference).obj); IncreaseNumAssField((class_field_reference)p); break;
case semantic_node_type.static_class_field_reference: IncreaseNumAssField((static_class_field_reference)p); break;
case semantic_node_type.common_parameter_reference: IncreaseNumAssParam((common_parameter_reference)p); break;
case semantic_node_type.deref_node: CheckAssign(((dereference_node)p).deref_expr); break;
case semantic_node_type.simple_array_indexing: VisitSimpleArrayIndexing((simple_array_indexing)p); break;
}
}
public expression_node visit(SyntaxTree.expression expr)
{
expr.visit(syntax_tree_visitor);
/*addressed_expression ad = ret_semantic as addressed_expression;
* if (ad != null && ad.is_addressed)
* {
* if (convertion_data_and_alghoritms.check_for_constant(ad))
* ad.is_addressed = false;
* }*/
//Надеюсь, это сильно не скажется на производительности, хотя в другом случае этот же код просто будет разбросан по всем метдам syntax_tree_visitor-а.
base_function_call bfc = ret_semantic as base_function_call;
if (bfc != null)
{
if (bfc.simple_function_node.compile_time_executor != null)
{
expression_node ex = bfc.simple_function_node.compile_time_executor(bfc.location, bfc.parameters.ToArray());
if (ex != null)
{
return(ex);
}
}
}
return(ret_semantic as expression_node);
}
private void VisitAssignment(base_function_call en)
{
for (int i = 1; i < en.parameters.Count; i++)
VisitExpression(en.parameters[i]);
expression_node p = en.parameters[0];
switch (p.semantic_node_type)
{
case semantic_node_type.local_variable_reference: IncreaseNumAssVar((local_variable_reference)p); break;
case semantic_node_type.local_block_variable_reference: IncreaseNumAssVar((local_block_variable_reference)p); break;
case semantic_node_type.namespace_variable_reference: IncreaseNumAssVar((namespace_variable_reference)p); break;
case semantic_node_type.class_field_reference: VisitExpression((p as class_field_reference).obj); IncreaseNumAssField((class_field_reference)p); break;
case semantic_node_type.static_class_field_reference: IncreaseNumAssField((static_class_field_reference)p); break;
case semantic_node_type.common_parameter_reference: IncreaseNumAssParam((common_parameter_reference)p); break;
case semantic_node_type.deref_node: CheckAssign(((dereference_node)p).deref_expr); break;
case semantic_node_type.simple_array_indexing: VisitSimpleArrayIndexing((simple_array_indexing)p); break;
}
}
internal expression_node CreateDelegateCall(base_function_call fn_call)
{
common_type_node del = CreateDelegate(fn_call.simple_function_node);
common_constructor_call deleg_costructor_call = new common_constructor_call(del.methods[0], fn_call.location);
deleg_costructor_call.parameters.AddElement((base_function_call)fn_call);
return deleg_costructor_call;
}
/// <summary>
/// Обрабатывает случай, когда левая часть присваивания свойство.
/// </summary>
/// <returns>True - обработка прошла, иначе False.</returns>
private bool ProcessAssignToPropertyIfPossible(assign _assign, addressed_expression to, location loc,
expression_node from)
{
//проверка на обращение к полю записи возвращенной из функции с целью присваивания
//нужно чтобы пользователь не мог менять временный обьект
if (to.semantic_node_type == semantic_node_type.static_property_reference ||
to.semantic_node_type == semantic_node_type.non_static_property_reference)
{
property_node pn;
if (to.semantic_node_type == semantic_node_type.static_property_reference)
{
pn = (to as static_property_reference).property;
}
else
{
pn = (to as non_static_property_reference).property;
}
var ot = MapCompositeAssignmentOperatorToSameBinaryOperator(_assign);
var oper_ass_in_prop = ot != Operators.Undefined;
if (_assign.operator_type == Operators.Assignment || oper_ass_in_prop)
{
if (oper_ass_in_prop)
{
if (pn.get_function == null)
{
AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_READED", pn.name);
}
base_function_call prop_expr;
if (to.semantic_node_type == semantic_node_type.non_static_property_reference)
{
prop_expr = create_not_static_method_call(pn.get_function,
(to as non_static_property_reference).expression, loc, false);
prop_expr.parameters.AddRange((to as non_static_property_reference).fact_parametres);
}
else
{
prop_expr = create_static_method_call(pn.get_function, loc, pn.comprehensive_type, false);
prop_expr.parameters.AddRange((to as static_property_reference).fact_parametres);
}
from = find_operator(ot, prop_expr, from, loc);
}
if (to.semantic_node_type == semantic_node_type.static_property_reference)
{
static_property_reference spr = (static_property_reference)to;
if (spr.property.set_function == null)
{
AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_WRITED", spr.property.name);
}
check_property_params(spr, loc);
function_node set_func = spr.property.set_function;
from = convertion_data_and_alghoritms.convert_type(from, spr.property.property_type);
spr.fact_parametres.AddElement(from);
base_function_call bfc = create_static_method_call(set_func, loc,
spr.property.comprehensive_type,
true);
bfc.parameters.AddRange(spr.fact_parametres);
return_value((statement_node)bfc);
}
else if (to.semantic_node_type == semantic_node_type.non_static_property_reference)
{
non_static_property_reference nspr = (non_static_property_reference)to;
check_property_params(nspr, loc);
from = convertion_data_and_alghoritms.convert_type(from, nspr.property.property_type);
nspr.fact_parametres.AddElement(from);
//Обработка s[i]:='c'
if (SystemUnitAssigned)
{
if (nspr.property.comprehensive_type == SystemLibrary.SystemLibrary.string_type)
{
if (nspr.property == SystemLibrary.SystemLibrary.string_type.default_property_node)
{
if (SystemLibInitializer.StringDefaultPropertySetProcedure != null)
{
expressions_list exl = new expressions_list();
exl.AddElement(nspr.expression);
exl.AddElement(nspr.fact_parametres[0]);
exl.AddElement(from);
function_node fn = convertion_data_and_alghoritms.select_function(exl,
SystemLibInitializer.StringDefaultPropertySetProcedure
.SymbolInfo, loc);
expression_node ret =
convertion_data_and_alghoritms.create_simple_function_call(fn, loc,
exl.ToArray());
return_value((statement_node)ret);
return(true);
}
}
}
}
if (nspr.property.set_function == null)
{
AddError(loc, "THIS_PROPERTY_{0}_CAN_NOT_BE_WRITED", nspr.property.name);
}
function_node set_func = nspr.property.set_function;
base_function_call bfc = create_not_static_method_call(set_func, nspr.expression, loc,
true);
bfc.parameters.AddRange(nspr.fact_parametres);
return_value((statement_node)bfc);
}
return(true);
}
}
return(false);
}
/// <summary>
/// Автовыведение типов в yield'ax.
/// </summary>
private void ProcessAssigntToAutoType(addressed_expression to, ref expression_node from)
{
var sequence = to.type as compiled_generic_instance_type_node;
// SSM 26.06.16 - правка в связи с автовыведением типов в yieldах
if (to.type is auto_type)
{
try_convert_typed_expression_to_function_call(ref from);
if (to is class_field_reference)
{
var cfr = to as class_field_reference;
if (from is typed_expression) // SSM 22.12.18 syntax_tree_visitor.cs 16066 - взял оттуда
{
base_function_call bfc = ((from as typed_expression).type as delegated_methods).proper_methods[0];
/*if (bfc.function.is_generic_function && _var_def_statement.vars_type == null)
* {
* AddError(inital_value.location, "CAN_NOT_DEDUCE_TYPE_{0}", null);
* }
* foreach (parameter p in bfc.simple_function_node.parameters)
* {
* if (p.type.is_generic_parameter)
* AddError(inital_value.location, "USE_ANONYMOUS_FUNCTION_TYPE_WITH_GENERICS");
* } */
common_type_node del =
convertion_data_and_alghoritms.type_constructor.create_delegate(context.get_delegate_type_name(), bfc.simple_function_node.return_value_type, bfc.simple_function_node.parameters, context.converted_namespace, null);
context.converted_namespace.types.AddElement(del); //- сомневаюсь - контекст уже поменялся!
//tn = del;
from = convertion_data_and_alghoritms.explicit_convert_type(from, del);
from.type = del;
}
cfr.field.type = from.type;
cfr.type = from.type; // Это неверно работает когда yieldится процедура #1439
// SSM 1.11.18 попытка правки возвращения процедуры в yield
//if (from.type.semantic_node_type == semantic_node_type.delegated_method)
//cfr.type.semantic_node_type = semantic_node_type.delegated_method;
cfr.field.inital_value = context.GetInitalValueForVariable(cfr.field, cfr.field.inital_value);
}
else if (to is local_block_variable_reference)
{
var lvr = to as local_block_variable_reference;
lvr.var.type = from.type;
lvr.type = from.type;
lvr.var.inital_value = context.GetInitalValueForVariable(lvr.var, lvr.var.inital_value);
}
else
{
AddError(to.location, "Не могу вывести тип при наличии yield: " + to.type.full_name);
}
//to.type = from.type; // и без всякого real_type!
}
else if (sequence?.instance_params[0] is ienumerable_auto_type)
{
type_node elem_type = null;
try_convert_typed_expression_to_function_call(ref from);
bool bb; // здесь bb не нужно. Оно нужно в foreach
var b = FindIEnumerableElementType(from.type, ref elem_type, out bb);
if (!b)
{
AddError(from.location, "CAN_NOT_EXECUTE_FOREACH_BY_EXPR_OF_TYPE_{0}", from.type.full_name);
}
var IEnumType = new template_type_reference(new named_type_reference("System.Collections.Generic.IEnumerable"),
new template_param_list(new semantic_type_node(elem_type)));
if (to is class_field_reference)
{
var cfr = to as class_field_reference;
cfr.field.type = convert_strong(IEnumType);
cfr.type = cfr.field.type;
}
else if (to is local_block_variable_reference)
{
var lvr = to as local_block_variable_reference;
lvr.var.type = convert_strong(IEnumType); // замена типа у описания переменной
lvr.type = lvr.var.type; // замена типа у переменной
}
}
}
private base_function_call get_function_call_copy(base_function_call bfc)
{
return bfc.copy();
}
private simple_array_indexing make_unmanaged_shortstring_getter(base_function_call cfc)
{
return new simple_array_indexing(cfc.parameters[0], cfc.parameters[1], SystemLibrary.SystemLibrary.char_type, cfc.location);
}
