From 0ba5eb38f9e6974271c5efa09438f11055820933 Mon Sep 17 00:00:00 2001
From: Dimitar Trendafilov <dimitar@coherent-labs.com>
Date: Sun, 28 Oct 2018 17:08:32 +0200
Subject: Fixed for increment step filling up the stack

---
 JSImpl/src/ASTInterpreter.h | 69 +++++++++++++++++++++++----------------------
 1 file changed, 35 insertions(+), 34 deletions(-)

(limited to 'JSImpl/src/ASTInterpreter.h')

diff --git a/JSImpl/src/ASTInterpreter.h b/JSImpl/src/ASTInterpreter.h
index 4d5b46f..7dc58de 100644
--- a/JSImpl/src/ASTInterpreter.h
+++ b/JSImpl/src/ASTInterpreter.h
@@ -1,54 +1,55 @@
 #pragma once
 
 #include "ExpressionVisitor.h"
-#include <stack>
-#include <string>
-#include <unordered_map>
 
 class ASTInterpreter : public ExpressionVisitor
 {
 public:
-	ASTInterpreter();
-	~ASTInterpreter();
+    ASTInterpreter();
+    ~ASTInterpreter();
 
+
+    // TODO: Changing this to a shared_ptr<Value> (or GC-enabled value*) will
+    // allow for much simpler implementation of all varible assignments.
     typedef double value_type;
-    typedef IPLStack<value_type> ValueStack;
+    typedef IPLVector<value_type> ValueStack;
 
     ValueStack Run(Expression* program);
 
-	virtual void Visit(LiteralNull* e) override;
-	virtual void Visit(LiteralUndefined* e) override;
-	virtual void Visit(LiteralString* e) override;
-	virtual void Visit(LiteralNumber* e) override;
-	virtual void Visit(LiteralBoolean* e) override;
-	virtual void Visit(BinaryExpression* e) override;
-	virtual void Visit(UnaryExpression* e) override;
-	virtual void Visit(IdentifierExpression* e) override;
-	virtual void Visit(ListExpression* e) override;
-	virtual void Visit(VariableDefinitionExpression* e) override;
-	virtual void Visit(BlockStatement* e) override;
-	virtual void Visit(LabeledStatement* e) override;
-	virtual void Visit(IfStatement* e) override;
-	virtual void Visit(SwitchStatement* e) override;
-	virtual void Visit(CaseStatement *) override;
-	virtual void Visit(WhileStatement* e) override;
-	virtual void Visit(ForStatement* e) override;
-	virtual void Visit(FunctionDeclaration* e) override;
-	virtual void Visit(TopStatements* e) override;
-	virtual void Visit(EmptyExpression* e) override;
-
-	value_type& ModifyVariable(const IPLString& name);
+    virtual void Visit(LiteralNull* e) override;
+    virtual void Visit(LiteralUndefined* e) override;
+    virtual void Visit(LiteralString* e) override;
+    virtual void Visit(LiteralNumber* e) override;
+    virtual void Visit(LiteralBoolean* e) override;
+    virtual void Visit(BinaryExpression* e) override;
+    virtual void Visit(UnaryExpression* e) override;
+    virtual void Visit(IdentifierExpression* e) override;
+    virtual void Visit(ListExpression* e) override;
+    virtual void Visit(VariableDefinitionExpression* e) override;
+    virtual void Visit(BlockStatement* e) override;
+    virtual void Visit(LabeledStatement* e) override;
+    virtual void Visit(IfStatement* e) override;
+    virtual void Visit(SwitchStatement* e) override;
+    virtual void Visit(CaseStatement *) override;
+    virtual void Visit(WhileStatement* e) override;
+    virtual void Visit(ForStatement* e) override;
+    virtual void Visit(FunctionDeclaration* e) override;
+    virtual void Visit(TopStatements* e) override;
+    virtual void Visit(EmptyExpression* e) override;
+
+    value_type& ModifyVariable(const IPLString& name);
 private:
     void RunExpression(const ExpressionPtr& e);
     bool EvalToBool(const ExpressionPtr& e);
 
-	void EnterScope();
-	void LeaveScope();
-	friend struct VariableScope;
+    void EnterScope();
+    void LeaveScope();
+    friend struct VariableScope;
+    friend struct StackScope;;
 
     ValueStack m_Evaluation;
-	IPLUnorderedMap<IPLString, ValueStack> m_Variables;
+    IPLUnorderedMap<IPLString, ValueStack> m_Variables;
 
-	typedef IPLVector<IPLString> Scope;
-	IPLStack<Scope> m_Scopes;
+    typedef IPLVector<IPLString> Scope;
+    IPLStack<Scope> m_Scopes;
 };
-- 
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