fix assignment and adding IfStatement

CMakeLists.txt

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

inc/AST/ASTVisitor.h

@@ -4,6 +4,7 @@
 #include "AssignmentExpression.h"
 #include "BinOp.h"
 #include "ConstantExpression.h"
+#include "IfStatement.h"
 #include "VariableDefinition.h"
 #include "ParameterList.h"
 
@@ -15,6 +16,7 @@ public:
 	virtual void visit(AssignmentExpression* e) = 0;
 	virtual void visit(BinOp* e) = 0;
 	virtual void visit(ConstantExpression* e) = 0;
+    virtual void visit(IfStatement* e) = 0;
 	virtual void visit(ParameterList* e) = 0;
 	virtual void visit(VariableDefinition* e) = 0;
 };

inc/AST/IfStatement.h

@@ -0,0 +1,23 @@
+#ifndef IFSTATEMENT_H
+#define IFSTATEMENT_H
+
+#include "AST/Expression.h"
+#include "AST/Statement.h"
+
+class IfStatement : public Statement
+{
+public:
+    IfStatement(Expression* cond, Statement* stmt);
+    virtual ~IfStatement();
+
+    virtual void accept(ASTVisitor *visitor);
+
+    Expression* getCond();
+    Statement* getStmt();
+private:
+    Expression* cond_;
+    Statement* stmt_;
+
+};
+
+#endif // IFSTATEMENT_H

src/AST/AssignmentExpression.cpp

@@ -1,7 +1,7 @@
 #include "AST/AssignmentExpression.h"
 #include "AST/ASTVisitor.h"
 
-AssignmentExpression::AssignmentExpression(std::string id, Expression *expr)
+AssignmentExpression::AssignmentExpression(std::string id, Expression *expr) : id_(id),expr_(expr)
 {
     //
 }

src/AST/IfStatement.cpp

@@ -0,0 +1,23 @@
+#include "AST/IfStatement.h"
+#include "AST/ASTVisitor.h"
+
+IfStatement::IfStatement(Expression *cond, Statement *stmt) : cond_(cond),stmt_(stmt)
+{
+    //
+}
+
+IfStatement::~IfStatement(){
+    //
+}
+
+void IfStatement::accept(ASTVisitor *visitor) {
+    visitor->visit(this);
+}
+
+Expression* IfStatement::getCond() {
+    return cond_;
+}
+
+Statement* IfStatement::getStmt() {
+    return stmt_;
+}