@@ -1,85 +1,85 @@
-/**
- * Authors: k.inaba
- * License: NYSL 0.9982 http://www.kmonos.net/nysl/
- *
- * Syntax tree for Polemy programming language.
- */
-module polemy.ast;
-import polemy._common;
-import polemy.lex : LexPosition;
-
-alias Statement[] Program;
-
-abstract class Statement
-{
-	immutable LexPosition pos;
-	mixin SimpleConstructor;
-}
-
-class DeclStatement : Statement
-{
-	string     var;
-	Expression expr;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class ExprStatement : Statement
-{
-	Expression expr;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-abstract class Expression
-{
-	immutable LexPosition pos;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class StrLiteralExpression : Expression
-{
-	string data;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class IntLiteralExpression : Expression
-{
-	BigInt data;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class VarExpression : Expression
-{
-	string var;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class AssignExpression : Expression
-{
-	Expression lhs;
-	Expression rhs;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class FuncallExpression : Expression
-{
-	Expression   fun;
-	Expression[] args;
-	this(immutable LexPosition pos, Expression fun, Expression[] args...)
-		{ super(pos); this.fun=fun; this.args=args.dup; }
-	mixin SimpleCompare; // do not take "pos" into account
-}
-
-class FunLiteralExpression : Expression
-{
-	string[] params;
-	Program  funbody;
-	mixin SimpleConstructor;
-	mixin SimpleCompare; // do not take "pos" into account
-}
+/**
+ * Authors: k.inaba
+ * License: NYSL 0.9982 http://www.kmonos.net/nysl/
+ *
+ * Syntax tree for Polemy programming language.
+ */
+module polemy.ast;
+import polemy._common;
+import polemy.lex : LexPosition;
+
+alias Statement[] Program;
+
+abstract class Statement
+{
+	immutable LexPosition pos;
+	mixin SimpleConstructor;
+}
+
+class DeclStatement : Statement
+{
+	string     var;
+	Expression expr;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class ExprStatement : Statement
+{
+	Expression expr;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+abstract class Expression
+{
+	immutable LexPosition pos;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class StrLiteralExpression : Expression
+{
+	string data;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class IntLiteralExpression : Expression
+{
+	BigInt data;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class VarExpression : Expression
+{
+	string var;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class AssignExpression : Expression
+{
+	Expression lhs;
+	Expression rhs;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class FuncallExpression : Expression
+{
+	Expression   fun;
+	Expression[] args;
+	this(immutable LexPosition pos, Expression fun, Expression[] args...)
+		{ super(pos); this.fun=fun; this.args=args.dup; }
+	mixin SimpleCompare; // do not take "pos" into account
+}
+
+class FunLiteralExpression : Expression
+{
+	string[] params;
+	Program  funbody;
+	mixin SimpleConstructor;
+	mixin SimpleCompare; // do not take "pos" into account
+}