Almost everything is ready with visitor pattern and ASTInspector class.

Sencha-lang/AST/Assignment.cpp

@@ -69,6 +69,7 @@ Assignment::Assignment(ASTNode * parent, Context * context)
 {
 	this->parent = parent;
 	this->context = context;
+	this->type = "Assignment";
 }
 
 

Sencha-lang/AST/BasicStatement.cpp

@@ -9,6 +9,7 @@
 
 BasicStatement::BasicStatement(ASTNode * parent) {
 	this->parent = parent;
+	this->type = "BasicStatement";
 }
 
 BasicStatement::~BasicStatement() {

Sencha-lang/AST/ConstantExpression.cpp

@@ -11,6 +11,7 @@ ConstantExpression::ConstantExpression(ASTNode * parent) //Constructor which set
 {
 	this->parent = parent;
 	value = SenchaObject();
+	this->type = "ConstantExpression";
 }
 
 ConstantExpression::~ConstantExpression() {
@@ -46,16 +47,19 @@ void ConstantExpression::accept(Visitor * visitor)
 ConstantExpression::ConstantExpression(ASTNode * parent, int number)
 {
 	this->parent = parent; value = SenchaObject(number);
+	this->type = "ConstantExpression";
 }
 
 ConstantExpression::ConstantExpression(ASTNode * parent, double number)
 {
 	this->parent = parent;
+	this->type = "ConstantExpression";
 	value = SenchaObject(number);
 }
 
 ConstantExpression::ConstantExpression(ASTNode * parent, std::string text)
 {
+	this->type = "ConstantExpression";
 	this->parent = parent; value = SenchaObject(text);
 }
 

Sencha-lang/AST/DeclarationStatement.cpp

@@ -34,6 +34,7 @@ DeclarationStatement::DeclarationStatement(ASTNode * parent, Context * context)
 	body = NULL;
 	right_value = SenchaObject();
 	children.push_back(new ConstantExpression(this));
+	this->type = "DeclarationStatement";
 }
 
 std::string DeclarationStatement::debug()

Sencha-lang/AST/IfNode.cpp

@@ -11,6 +11,7 @@
 IfNode::IfNode(ASTNode * parent) {
 	this->parent = parent;
 	is_else = false;
+	this->type = "IfNode";
 }
 
 std::string IfNode::debug()

Sencha-lang/AST/IfNode.h

@@ -21,6 +21,9 @@ public:
 	virtual std::string debug();
 	virtual void execute();
 	bool evaluate_condition();
+	ASTNode * condition() { return children[0]; }
+	ASTNode * then_block() { return children[1]; }
+	ASTNode * else_block() { return children[2]; }
 	IfNode(ASTNode * parent);
 	virtual ~IfNode();
 };

Sencha-lang/AST/IncorrectExpression.cpp

@@ -11,6 +11,7 @@ IncorrectExpression::IncorrectExpression(ASTNode * parent, std::string error_mes
 {
 	this->parent = parent;
 	this->error_message = error_message;
+	this->type = "IncorrectExpression";
 }
 
 IncorrectExpression::~IncorrectExpression() {

Sencha-lang/AST/PostfixExpression.cpp

@@ -12,6 +12,7 @@ PostfixExpression::PostfixExpression(ASTNode * parent, Context * context) {
 	this->context = context;
 	name = "";
 	native = false;
+	this->type = "PostfixExpression";
 }
 
 PostfixExpression::~PostfixExpression() {

Sencha-lang/AST/ProgramNode.cpp

@@ -9,7 +9,7 @@
 
 ProgramNode::ProgramNode() {
 	//Do nothing
-
+	this->type = "ProgramNode";
 }
 
 ProgramNode::~ProgramNode() {

Sencha-lang/AST/RepeatStatement.cpp

@@ -12,6 +12,7 @@ RepeatStatement::RepeatStatement(ASTNode * parent)
 	this->parent = parent;
 	how_many_times = 0;
 	body = NULL;
+	this->type = "RepeatStatement";
 }
 
 RepeatStatement::~RepeatStatement()

Sencha-lang/AST/VariableExpression.cpp

@@ -12,6 +12,7 @@ VariableExpression::VariableExpression(ASTNode * parent, Context * context, std:
 	this->name = name;
 	this->parent = parent;
 	this->context = context;
+	this->type = "VariableExpression";
 }
 
 std::string VariableExpression::debug()

Sencha-lang/AST/WhileNode.cpp

@@ -10,6 +10,7 @@
 WhileNode::WhileNode(ASTNode * parent) {
 	body = NULL;
 	this->parent = parent;
+	this->type = "WhileNode";
 }
 
 WhileNode::~WhileNode() {

Sencha-lang/ASTInspector.cpp

@@ -34,20 +34,62 @@ void ASTInspector::visit(Visitable * node)
 	{
 		visit(static_cast<BasicExpression *>(node));
 	}
+	else if (node->type == "PostfixExpression")
+	{
+		visit(static_cast<PostfixExpression *>(node));
+	}
+	else if (node->type == "WhileNode")
+	{
+		visit(static_cast<WhileNode *>(node));
+	}
+	else if (node->type == "ProgramNode")
+	{
+		visit(static_cast<ProgramNode *>(node));
+	}
+	else if (node->type == "BasicStatement")
+	{
+		visit(static_cast<BasicStatement *>(node));
+	}
+	else if (node->type == "DeclarationStatement")
+	{
+		visit(static_cast<DeclarationStatement *>(node));
+	}
+	else if (node->type == "VariableExpression")
+	{
+		visit(static_cast<VariableExpression *>(node));
+	}
+	else if (node->type == "Assignment")
+	{
+		visit(static_cast<Assignment *>(node));
+	}
+	else if (node->type == "IfNode")
+	{
+		visit(static_cast<IfNode *>(node));
+	}
+	else if (node->type == "RepeatStatement")
+	{
+		visit(static_cast<RepeatStatement *>(node));
+	}
+	else if (node->type == "IncorrectExpression")
+	{
+		visit(static_cast<IncorrectExpression *>(node));
+	}
+
 	else
 	{
 		std::cout << "Visiting unknown node" << std::endl;
 	}
 }
 
-void ASTInspector::visit(ConstantExpression & constant_expression)
+void ASTInspector::visit(ConstantExpression * constant_expression)
 {
 	this->occurences["ConstantExpression"]++;
 	depth_level++;
 	std::string visit_notes = "";
 	visit_notes += "Constant expression of value:\n";
-	visit_notes += constant_expression.value.repr() + "\n";
+	visit_notes += constant_expression->value.repr() + "\n";
 
+	visit_notes += "End of ConstantExpression";
 	write_report(visit_notes);
 	depth_level--;
 }
@@ -60,33 +102,34 @@ void ASTInspector::forget_everything()
 	number_of_visits = 0;
 }
 
-void ASTInspector::visit(BasicExpression & basic_expression)
+void ASTInspector::visit(BasicExpression * basic_expression)
 {
 	this->occurences["BasicExpression"]++;
 	depth_level++;
 	std::string visit_notes = "";
 	visit_notes += "Basic expression:\n";
-	visit_notes += "Executing " + basic_expression.get_operator() + " on:\n";
+	visit_notes += "Executing " + basic_expression->get_operator() + " on:\n";
 	write_report(visit_notes);
 
-	basic_expression.children[0]->accept(this);
-	basic_expression.children[1]->accept(this);
+	basic_expression->children[0]->accept(this);
+	basic_expression->children[1]->accept(this);
 
-	write_report("End of basic expression\n");
+	write_report("End of BasicExpression\n");
 	depth_level--;
 }
 
-void ASTInspector::visit(PostfixExpression & postfix_expression)
+void ASTInspector::visit(PostfixExpression * postfix_expression)
 {
 	this->occurences["PostfixExpression"]++;
 	depth_level++;
 	std::string visit_notes = "";
 	visit_notes += "Postfix expression:\n";
 
-	visit_notes += postfix_expression.name;
+	visit_notes += postfix_expression->name;
 	visit_notes += " operating on arguments:\n";
 
-	for(auto argument : postfix_expression.arguments)
+	write_report(visit_notes);
+	for(auto argument : postfix_expression->arguments)
 	{
 		argument->accept(this);
 	}
@@ -97,23 +140,162 @@ void ASTInspector::visit(PostfixExpression & postfix_expression)
 }
 
 
-void ASTInspector::visit(WhileNode & while_node)
+void ASTInspector::visit(WhileNode * while_node)
 {
 	this->occurences["WhileNode"]++;
 	depth_level++;
 	std::string visit_notes = "";
 	visit_notes += "WhileNode:\n";
+	write_report(visit_notes);
 
-
-	for(auto child: while_node.children)
+	for(auto child: while_node->children)
 	{
 		child->accept(this);
 	}
 
+	while_node->body->accept(this);
+
+
 	write_report("End of while node\n");
 	depth_level--;
 }
 
+
+void ASTInspector::visit(ProgramNode * program)
+{
+	this->occurences["ProgramNode"]++;
+	std::cout << "Visiting ProgramNode" << std::endl;
+	depth_level++;
+	std::string visit_notes = "";
+	visit_notes += "ProgramNode:\n";
+
+	write_report(visit_notes);
+	for(auto child: program->children)
+	{
+		child->accept(this);
+	}
+
+	write_report("End of ProgramNode\n");
+	depth_level--;
+}
+
+void ASTInspector::visit(BasicStatement * basic_statement)
+{
+	this->occurences["BasicStatement"]++;
+	depth_level++;
+	std::string visit_notes = "";
+	visit_notes += "BasicStatement:\n";
+
+	write_report(visit_notes);
+
+	for(auto child: basic_statement->children)
+	{
+		child->accept(this);
+	}
+
+	write_report("End of BasicStatement\n");
+	depth_level--;
+}
+
+void ASTInspector::visit(DeclarationStatement * declaration_statement)
+{
+	this->occurences["DeclarationStatement"]++;
+	depth_level++;
+	std::string visit_notes = "";
+	visit_notes += "DeclarationStatement:\n";
+
+	visit_notes += "It declares: " + declaration_statement->name + "to be:\n";
+	visit_notes += declaration_statement->right_value.repr();
+
+	write_report(visit_notes);
+	write_report("End of DeclarationStatement\n");
+	depth_level--;
+}
+
+void ASTInspector::visit(Assignment * assignment)
+{
+	this->occurences["Assignment"]++;
+	depth_level++;
+	std::string visit_notes = "";
+	visit_notes += "Assignment:\n";
+
+	visit_notes += "It assigns to: " + assignment->name + " expression:\n";
+	write_report(visit_notes);
+
+	assignment->children[1]->accept(this);
+
+	write_report("End of DeclarationStatement\n");
+	depth_level--;
+}
+
+void ASTInspector::visit(IfNode * if_node)
+{
+	this->occurences["IfNode"]++;
+		depth_level++;
+		std::string visit_notes = "";
+		visit_notes += "IfNode:\n";
+		visit_notes += "checks condition:";
+		write_report(visit_notes);
+
+		if_node->condition()->accept(this);
+
+		write_report("if above is true, it executes:");
+
+		if_node->then_block()->accept(this);
+		if(if_node->is_else)
+		{
+			write_report("if it's not, it executes:");
+			if_node->else_block()->accept(this);
+		}
+
+
+		write_report("End of IfNode\n");
+		depth_level--;
+}
+
+void ASTInspector::visit(IncorrectExpression * incorrect_expression)
+{
+	this->occurences["IncorrectExpression"]++;
+		depth_level++;
+		std::string visit_notes = "";
+		visit_notes += "IncorrectExpression:\n";
+
+		visit_notes += incorrect_expression->error_message;
+		write_report(visit_notes);
+
+		write_report("End of IncorrectExpression\n");
+		depth_level--;
+}
+
+void ASTInspector::visit(RepeatStatement * repeat_statement)
+{
+	this->occurences["RepeatStatement"]++;
+		depth_level++;
+		std::string visit_notes = "";
+		visit_notes += "RepeatStatement:\n";
+
+		visit_notes += "It executes " + to_string(repeat_statement->how_many_times) + "times\n";
+		write_report(visit_notes);
+		repeat_statement->body->accept(this);
+		write_report("End of RepeatStatement\n");
+		depth_level--;
+}
+
+void ASTInspector::visit(VariableExpression * variable)
+{
+	this->occurences["VariableExpression"]++;
+	depth_level++;
+	std::string visit_notes = "";
+	visit_notes += "VariableExpression:\n";
+
+	visit_notes += "Name: " + variable->name + "\n";
+	write_report(visit_notes);
+
+	write_report("End of VariableExpression\n");
+	depth_level--;
+}
+
+
 void ASTInspector::write_report(std::string visit_notes)
 {
 	std::istringstream stream(visit_notes);
@@ -126,20 +308,6 @@ void ASTInspector::write_report(std::string visit_notes)
 
 }
 
-void ASTInspector::visit(ProgramNode & program)
-{
-
-}
-
-void ASTInspector::visit(BasicStatement & basic_statement)
-{
-
-}
-
-void ASTInspector::visit(DeclarationStatement & declaration_statement)
-{
-
-}
 
 std::string ASTInspector::compute_indent()
 {

Sencha-lang/ASTInspector.h

@@ -18,9 +18,11 @@ public:
 	unsigned int how_many_visits() { return number_of_visits; }
 	unsigned int how_many_occurences_of(std::string type);
 	std::string get_report() { return this->inspection_report; }
-	void visit(Visitable * node);
+
 	virtual ~ASTInspector();
 	void forget_everything();
+	void visit(Visitable * node);
+	void visit(ProgramNode * node);
 
 private:
 	unsigned int number_of_visits;
@@ -30,13 +32,23 @@ private:
 	unsigned int depth_level;
 	std::string compute_indent();
 	void write_report(std::string visit_notes);
-	void visit(ConstantExpression & node);
-	void visit(BasicExpression & node);
-	void visit(PostfixExpression & node);
-	void visit(WhileNode & node);
-	void visit(ProgramNode & node);
-	void visit(BasicStatement & node);
-	void visit(DeclarationStatement & node);
+	void visit(ConstantExpression * node);
+	void visit(BasicExpression * node);
+	void visit(PostfixExpression * node);
+	void visit(WhileNode * node);
+
+	void visit(BasicStatement * node);
+	void visit(DeclarationStatement * node);
+	void visit(Assignment * node);
+	void visit(IfNode * node);
+	void visit(IncorrectExpression * node);
+	void visit(RepeatStatement * node);
+	void visit(VariableExpression * node);
+
+
+
+
+
 
 };
 

Sencha-lang/main.cpp

@@ -159,6 +159,7 @@ void interactive()
 			//cout << "My tree:\n";
 			//cout << parser.program->debug();
 			inspector.visit(parser.program);
+
 			//cout << parser.context->debug();
 			cout << inspector.get_report();
 			inspector.forget_everything();