private static void WriteDo(LanguageWriter w, IDoStatement state)
{
w.WriteKeyword("do");
w.PushScope();
w.Write(" {");
w.WriteLine();
w.WriteIndent();
if (state.Body != null)
{
WriteBlock(w, state.Body);
}
w.WriteOutdent();
w.Write("} ");
w.PopScope();
w.WriteKeyword("while");
w.Write("(");
if (state.Condition != null)
{
w.SkipWriteLine = true;
ExpressionWriter.WriteExpression(w, state.Condition, false);
w.SkipWriteLine = false;
}
w.Write(");");
w.WriteLine();
}
private static void WriteMethodInvoke(LanguageWriter w, IMethodInvokeExpression exp)
{
WriteExpression(w, exp.Method, PREC_MEM_ACCESS > GetExpressionPrecedence(exp.Method));
w.Write("(");
w.WriteExpressionCollection(exp.Arguments);
w.Write(")");
}
private static void WriteArrayIndexerExpression(LanguageWriter w, IArrayIndexerExpression exp)
{
w.WriteExpression(exp.Target);
w.Write("[");
w.WriteExpressionCollection(exp.Indices);
w.Write("]");
}
private static void WriteRemoveEvent(LanguageWriter w, IRemoveEventStatement state)
{
ExpressionWriter.WriteEventReference(w, state.Event);
w.Write(" -= ");
ExpressionWriter.WriteExpression(w, state.Listener, false);
w.Write(";");
w.WriteLine();
}
private static void WriteCondition(LanguageWriter w, IConditionExpression exp)
{
WriteExpression(w, exp.Condition, PREC_COND > GetExpressionPrecedence(exp.Condition));
w.Write(" ? ");
WriteExpression(w, exp.Then, false);
w.Write(" : ");
WriteExpression(w, exp.Else, false);
}
private static void WriteTryCast(LanguageWriter w, ITryCastExpression exp)
{
w.WriteKeyword("dynamic_cast");
w.Write("<");
new TypeRef(exp.TargetType).WriteNameWithRef(w);
w.Write(">(");
WriteExpression(w, exp.Expression, false);
w.Write(")");
}
private static void WriteDefaultConstruction(LanguageWriter w, DefaultConstructionStatement state)
{
new TypeRef(state.var_type).WriteName(w);
w.Write(" ");
w.WriteDeclaration(state.var_name);
w.Write("; ");
w.WriteComment("// 既定のコンストラクタ");
w.WriteLine();
}
private static void WriteBinary(LanguageWriter w, IBinaryExpression exp)
{
WriteExpression(w, exp.Left, prec_binop[exp.Operator] > GetExpressionPrecedence(exp.Left));
w.Write(" ");
WriteBinaryOperator(w, exp.Operator);
w.Write(" ");
WriteExpression(w, exp.Right, prec_binop[exp.Operator] >= GetExpressionPrecedence(exp.Right));
}
private static void WriteMemberAccess(LanguageWriter w, IExpression target)
{
if (target == null)
{
return;
}
bool isref = true;
ExpressionType xtype = GetExpressionType(target);
TypeRef type;
switch (xtype)
{
case ExpressionType.TypeReference:
WriteTypeReference(w, (ITypeReferenceExpression)target);
w.Write("::");
return;
case ExpressionType.BaseReference:
w.baseType.WriteName(w);
w.Write("::");
return;
case ExpressionType.VariableReference:
IVariableReference var_ref = ((IVariableReferenceExpression)target).Variable;
if (var_ref == null)
{
break;
}
IVariableDeclaration var_decl = var_ref.Resolve();
if (var_decl == null)
{
break;
}
if (w.scope[var_decl.Name].local_scope)
{
isref = false;
break;
}
type = new TypeRef(var_decl.VariableType);
goto fromtype;
default:
type = TypeRef.GetReturnType(target);
goto fromtype;
fromtype:
//#warning Modifier や % や & が付いている場合に関しては未だ
isref = type.IsEmpty || !type.IsValueType && !type.IsPrimitive;
break;
}
WriteExpression(w, target, PREC_MEM_ACCESS > GetExpressionPrecedence(target));
w.Write(isref?"->":".");
}
private static void WriteUnary(LanguageWriter w, IUnaryExpression exp)
{
bool post = false;
string opName;
switch (exp.Operator)
{
case UnaryOperator.Negate:
opName = "-";
break;
case UnaryOperator.BooleanNot:
opName = "!";
break;
case UnaryOperator.BitwiseNot:
opName = "~";
break;
case UnaryOperator.PreIncrement:
opName = "++";
break;
case UnaryOperator.PreDecrement:
opName = "--";
break;
case UnaryOperator.PostIncrement:
opName = "++";
post = true;
break;
case UnaryOperator.PostDecrement:
opName = "--";
post = true;
break;
default:
throw new System.NotSupportedException(
"指定した種類の単項演算には対応していません: " + exp.Operator.ToString()
);
}
// 書込
if (post)
{
WriteExpression(w, exp.Expression, PREC_POST > GetExpressionPrecedence(exp.Expression));
w.Write(opName);
}
else
{
w.Write(opName);
WriteExpression(w, exp.Expression, PREC_PRE > GetExpressionPrecedence(exp.Expression));
}
}
private static void WriteThrowException(LanguageWriter w, IThrowExceptionStatement state)
{
w.WriteKeyword("throw");
if (state.Expression != null)
{
w.Write(" ");
ExpressionWriter.WriteExpression(w, state.Expression, false);
}
w.Write(";");
w.WriteLine();
}
private static void WriteMethodReturn(LanguageWriter w, IMethodReturnStatement state)
{
w.WriteKeyword("return");
if (state.Expression != null)
{
w.Write(" ");
ExpressionWriter.WriteExpression(w, state.Expression, false);
}
w.Write(";");
w.WriteLine();
}
public void Write(LanguageWriter w)
{
w.PushScope();
//---------------------------------------------
if (!this.noblock)
{
w.Write("{");
w.WriteLine();
w.WriteIndent();
}
if (!w.SuppressOutput)
{
//*
#warning local-ref: 上層で無駄な宣言を取り除くべき
if (w.scope.ContainsVariable(this.var_name))
{
w.scope[this.var_name].local_scope = true;
}
else
{
w.scope.RegisterVariable(this.var_name, true);
}
//*/
}
bool nohandle = this.exp is IObjectCreateExpression; // ハンドル表記でなくても良いかどうか
this.WriteVariableDecl(w, nohandle);
// 後に続く内容
w.WriteLine();
StatementWriter.WriteBlock(w, this.block);
// ハンドル表記で宣言した場合はちゃんと delete
if (!nohandle)
{
StatementWriter.WriteStatement(w, new DeleteStatement(new VariableReferenceExpression(this.decl)));
}
if (!this.noblock)
{
w.WriteOutdent();
w.Write("}");
w.WriteLine();
}
if (this.labelname != null)
{
w.__WriteLabel(this.labelname);
w.Write(";");
w.WriteLine();
}
//---------------------------------------------
w.PopScope();
}
private static void WriteCanCast(LanguageWriter w, ICanCastExpression exp)
{
w.WriteKeyword("dynamic_cast");
w.Write("<");
new TypeRef(exp.TargetType).WriteNameWithRef(w);
w.Write(">");
w.Write("(");
WriteExpression(w, exp.Expression, false);
w.Write(")");
w.Write(" != ");
w.WriteLiteral("nullptr");
}
private static void WriteMemoryInitialize(LanguageWriter w, IMemoryInitializeStatement state)
{
w.Write("::");
w.WriteReference("memset", "Crt 関数 #include <memory.h>", null);
w.Write("(");
ExpressionWriter.WriteExpression(w, state.Offset, false);
w.Write(", ");
ExpressionWriter.WriteExpression(w, state.Value, false);
w.Write(", ");
ExpressionWriter.WriteExpression(w, state.Length, false);
w.Write(");");
w.WriteLine();
}
private static void WriteMemoryCopy(LanguageWriter w, IMemoryCopyStatement state)
{
w.Write("::");
w.WriteReference("memcpy", "Crt 関数 #include <memory.h>", null);
w.Write("(");
ExpressionWriter.WriteExpression(w, state.Destination, false);
w.Write(", ");
ExpressionWriter.WriteExpression(w, state.Source, false);
w.Write(", ");
ExpressionWriter.WriteExpression(w, state.Length, false);
w.Write(");");
w.WriteLine();
}
private static void WriteDelegateCreate(LanguageWriter w, IDelegateCreateExpression exp)
{
w.WriteKeyword("gcnew");
w.Write(" ");
new TypeRef(exp.DelegateType).WriteName(w);
w.Write("(");
WriteExpression(w, exp.Target, false);
w.Write(", &");
WriteTypeReference(w, (ITypeReference)exp.Method.DeclaringType);
w.Write("::");
w.WriteMethodReference(exp.Method);
w.Write(")");
}
private static void WriteBracedStatement(LanguageWriter w, IStatement statement)
{
w.PushScope();
w.Write("{");
w.WriteLine();
w.WriteIndent();
WriteStatement(w, statement);
w.WriteOutdent();
w.Write("}");
w.PopScope();
}
private static void WriteCast(LanguageWriter w, ICastExpression exp)
{
TypeRef type = new TypeRef(exp.TargetType);
bool paren = !type.IsFunctionPointer;
if (paren)
{
w.Write("(");
}
type.WriteNameWithRef(w);
if (paren)
{
w.Write(")");
}
WriteExpression(w, exp.Expression, PREC_CAST > GetExpressionPrecedence(exp.Expression));
}
//===========================================================
// 書込
//===========================================================
#region 型の名前の書込
/// <summary>
/// 型名を書き込みます。参照型の場合には ^ を後に続けます。値型の場合には何も付けません。
/// </summary>
/// <param name="w">書き込みに使用する LanguageWriter を指定します。</param>
public void WriteNameWithRef(LanguageWriter w)
{
this.WriteName(w);
if (IsRefType)
{
w.Write("^");
}
}
internal static void WriteVariableDeclaration(LanguageWriter w, IVariableDeclaration var_decl)
{
// local 変数の登録
w.scope.RegisterVariable(var_decl, false);
#warning pinned の情報なども入れる様にする
new TypeRef(var_decl.VariableType).WriteNameWithRef(w);
w.Write(" ");
w.WriteDeclaration(w.scope[var_decl.Name].disp_name);
}
private static void WriteFixed(LanguageWriter w, IFixedStatement state)
{
w.Write("{");
w.WriteIndent();
w.WriteLine();
w.scope.RegisterVariable(state.Variable, false);
w.WriteKeyword("pin_ptr");
w.Write("<");
new TypeRef(((IPointerType)state.Variable.VariableType).ElementType).WriteNameWithRef(w);
w.Write("> ");
w.WriteDeclaration(state.Variable.Name);
w.Write(" = ");
ExpressionWriter.WriteExpression(w, state.Expression, false);
WriteBlock(w, state.Body);
w.WriteOutdent();
w.Write("}");
}
private static void WriteBinaryNullCoalescing(LanguageWriter w, INullCoalescingExpression exp)
{
const int PREC_NULL_COAL = 0;
WriteExpression(w, exp.Condition, PREC_NULL_COAL > GetExpressionPrecedence(exp.Condition));
w.Write(" ?? ");
WriteExpression(w, exp.Expression, PREC_NULL_COAL >= GetExpressionPrecedence(exp.Expression));
}
private static void WriteCondition(LanguageWriter w, IConditionStatement state)
{
#if EXTRA_TEMP
using (NewBlock block3 = new NewBlock(w)) {
w.WriteKeyword("if");
w.Write(" ");
w.Write("(");
ExpressionWriter.WriteExpression(w, state.Condition, false);
w.Write(") ");
using (NewBlock block2 = new NewBlock(w)) {
WriteBracedStatement(w, state.Then);
if (!IsBlank(state.Else))
{
using (NewBlock block = new NewBlock(w)) {
w.Write(" ");
w.WriteKeyword("else");
w.Write(" ");
WriteBracedStatement(w, state.Else);
}
}
w.WriteLine();
}
}
#else
w.WriteKeyword("if");
w.Write(" ");
w.Write("(");
ExpressionWriter.WriteExpression(w, state.Condition, false);
w.Write(") ");
WriteBracedStatement(w, state.Then);
if (!IsBlank(state.Else))
{
w.Write(" ");
w.WriteKeyword("else");
w.Write(" ");
WriteBracedStatement(w, state.Else);
}
w.WriteLine();
#endif
}
private static void WriteSwitch_case(LanguageWriter w, IExpression con_case)
{
IBinaryExpression exp_bi = con_case as IBinaryExpression;
if (exp_bi != null)
{
if (exp_bi.Operator == BinaryOperator.BooleanOr)
{
WriteSwitch_case(w, exp_bi.Left);
WriteSwitch_case(w, exp_bi.Right);
return;
}
}
w.WriteKeyword("case");
w.Write(" ");
ExpressionWriter.WriteExpression(w, con_case, false);
w.Write(":");
w.WriteLine();
}
private static void WriteSwitch(LanguageWriter w, ISwitchStatement state)
{
w.WriteKeyword("switch");
w.Write(" (");
ExpressionWriter.WriteExpression(w, state.Expression, false);
w.Write(") {");
w.WriteLine();
w.WriteIndent();
foreach (ISwitchCase _case in state.Cases)
{
IConditionCase case1 = _case as IConditionCase;
if (case1 != null)
{
WriteSwitch_case(w, case1.Condition);
w.WriteIndent();
if (case1.Body != null)
{
WriteStatement(w, case1.Body);
}
w.WriteOutdent();
}
IDefaultCase case2 = _case as IDefaultCase;
if (case2 != null)
{
w.WriteKeyword("default");
w.Write(":");
w.WriteLine();
w.WriteIndent();
if (case2.Body != null)
{
WriteStatement(w, case2.Body);
}
w.WriteOutdent();
//this.Write("}");
//this.WriteLine();
}
}
w.WriteOutdent();
w.Write("}");
w.WriteLine();
}
private static void WriteExpression(LanguageWriter w, IExpressionStatement state)
{
w.WriteExpression(state.Expression);
if (w.SkipWriteLine)
{
return;
}
w.Write(";");
w.WriteLine();
}
private static void WriteLock(LanguageWriter w, ILockStatement statement)
{
w.Write("{");
w.WriteIndent();
w.WriteLine();
Scope.VariableData data = new Scope.VariableData("<lock_statement>" + WriteLock_counter++.ToString(), true);
data.disp_name = "lock";
w.scope[data.name] = data;
// msclr::lock を初期化
w.WriteReference("msclr", "", null);
w.Write("::");
w.WriteReference("lock", "#include <msclr/lock.h> で使用して下さい", null);
w.Write(" ");
w.WriteDeclaration(data.disp_name);
w.Write("(");
ExpressionWriter.WriteExpression(w, statement.Expression, false);
w.Write(");");
w.WriteLine();
// 中身を書込
if (statement.Body != null)
{
WriteBlock(w, statement.Body);
}
w.WriteOutdent();
w.Write("}");
w.WriteLine();
}
private static void WriteArrayCreate(LanguageWriter w, IArrayCreateExpression exp)
{
w.WriteKeyword("gcnew");
w.Write(" ");
w.WriteKeyword("array");
w.Write("<");
new TypeRef(exp.Type).WriteNameWithRef(w);
if (exp.Dimensions != null && exp.Dimensions.Count > 1)
{
w.Write(", ");
w.WriteAsLiteral(exp.Dimensions.Count);
}
w.Write(">");
// 要素数の指定
if (exp.Dimensions != null)
{
w.Write("(");
w.WriteExpressionCollection(exp.Dimensions);
w.Write(")");
}
// {a, b, ... 要素の指定}
IBlockExpression initializer = exp.Initializer;
if (initializer != null)
{
WriteBlock(w, initializer);
}
}
private static void WriteWhile(LanguageWriter w, IWhileStatement state)
{
w.WriteKeyword("while");
w.Write(" ");
w.Write("(");
if (state.Condition != null)
{
w.SkipWriteLine = true;
ExpressionWriter.WriteExpression(w, state.Condition, false);
w.SkipWriteLine = false;
}
w.Write(") {");
w.WriteLine();
w.WriteIndent();
if (state.Body != null)
{
WriteStatement(w, state.Body);
}
w.WriteOutdent();
w.Write("}");
w.WriteLine();
}