adding ExpressionStatement

CMakeLists.txt

@@ -64,6 +64,7 @@ SET(SCULLY_SOURCE
 	src/AST/BinOp.cpp
 	src/AST/ConstantExpression.cpp
 	src/AST/Expression.cpp
+	src/AST/ExpressionStatement.cpp
 	src/AST/ParameterList.cpp
 	src/AST/Scope.cpp
 	src/AST/Statement.cpp

inc/AST/ASTVisitor.h

@@ -10,6 +10,7 @@
 #include "StatementList.h"
 #include "ValueList.h"
 #include "VariableDefinition.h"
+#include "ExpressionStatement.h"
 
 class ASTVisitor {
 public:
@@ -19,6 +20,7 @@ public:
 	virtual void visit(AssignmentExpression* e) = 0;
 	virtual void visit(BinOp* e) = 0;
 	virtual void visit(ConstantExpression* e) = 0;
+	virtual void visit(ExpressionStatement* e) = 0;
 	virtual void visit(IfStatement* e) = 0;
 	virtual void visit(ParameterList* e) = 0;
     virtual void visit(Scope* e) = 0;

inc/AST/ExpressionStatement.h

@@ -0,0 +1,20 @@
+#ifndef EXPRESSIONSTATEMENT_H
+#define EXPRESSIONSTATEMENT_H
+
+#include "AST/Expression.h"
+#include "AST/Statement.h"
+
+class ExpressionStatement : public Statement
+{
+public:
+	ExpressionStatement(Expression* expr);
+	virtual ~ExpressionStatement();
+
+	virtual void accept(ASTVisitor* visitor);
+
+	Expression* getExpr();
+private:
+	Expression* expr_;
+};
+
+#endif // EXPRESSIONSTATEMENT_H

src/AST/ExpressionStatement.cpp

@@ -0,0 +1,19 @@
+#include "AST/ExpressionStatement.h"
+#include "AST/ASTVisitor.h"
+
+ExpressionStatement::ExpressionStatement(Expression *expr) : expr_(expr)
+{
+	//
+}
+
+ExpressionStatement::~ExpressionStatement() {
+
+}
+
+void ExpressionStatement::accept(ASTVisitor *visitor) {
+	visitor->visit(this);
+}
+
+Expression* ExpressionStatement::getExpr() {
+	return expr_;
+}