6 files changed, 36 insertions, 36 deletions

diff --git a/project2/common/execContext.cpp b/project2/common/execContext.cpp
index 1349ab0..462de8b 100644
--- a/project2/common/execContext.cpp
+++ b/project2/common/execContext.cpp
@@ -2,6 +2,7 @@
 #include "logger.h"
 #include "presenter.h"
 #include "rowSet.h"
+#include "iHaveParameters.h"
 
 void
 ExecContext::logMessage(bool writeLog, const Glib::ustring & g, const Glib::ustring & m)
@@ -55,4 +56,27 @@ ExecContext::RowValues(size_t depth) const
 	return rowValuesStack.at(rowValuesStack.size() - depth);
 }
 
+void
+ExecContext::ParametersPush(const IHaveParameters * p)
+{
+	parameterStack.push_back(p);
+}
+
+void
+ExecContext::ParametersPop()
+{
+	parameterStack.pop_back();
+}
+
+VariableType
+ExecContext::getScopedParameter(const Glib::ustring & name)
+{
+	for(auto ihp = parameterStack.rbegin(); ihp != parameterStack.rend(); ++ihp) {
+		auto i = (*ihp)->allParameters().find(name);
+		if (i != (*ihp)->allParameters().end()) {
+			return i->second(this);
+		}
+	}
+	throw ParamNotFound(name);
+}
 
diff --git a/project2/common/execContext.h b/project2/common/execContext.h
index 5bce0d7..86438bd 100644
--- a/project2/common/execContext.h
+++ b/project2/common/execContext.h
@@ -9,6 +9,7 @@
 
 class MultiRowSetPresenter;
 class RowState;
+class IHaveParameters;
 
 class ExecContext {
 	public:
@@ -22,6 +23,7 @@ class ExecContext {
 		typedef boost::intrusive_ptr<Message> MessagePtr;
 		typedef std::list<MessagePtr> Messages;
 		typedef std::vector<const RowState *> RowValuesStack;
+		typedef std::vector<const IHaveParameters *> ParameterStack;
 
 		virtual VariableType getParameter(const VariableType & key) const = 0;
 		virtual SessionPtr getSession() const = 0;
@@ -35,9 +37,14 @@ class ExecContext {
 		void RowValuesPop();
 		const RowState * RowValues(size_t depth) const;
 
+		void ParametersPush(const IHaveParameters *);
+		void ParametersPop();
+		VariableType getScopedParameter(const Glib::ustring &);
+
 	private:
 		Messages messages;
 		RowValuesStack rowValuesStack;
+		ParameterStack parameterStack;
 };
 
 #endif
diff --git a/project2/common/iHaveParameters.cpp b/project2/common/iHaveParameters.cpp
index c3effdf..cb9241a 100644
--- a/project2/common/iHaveParameters.cpp
+++ b/project2/common/iHaveParameters.cpp
@@ -3,8 +3,6 @@
 #include "exceptions.h"
 #include "safeMapFind.h"
 
-IHaveParameters::Stack IHaveParameters::scope;
-
 IHaveParameters::IHaveParameters(ScriptNodePtr p)
 {
 	for (ScriptNodePtr node : p->childrenIn("parameters")) {
@@ -22,30 +20,6 @@ IHaveParameters::getParameter(const Glib::ustring & name, ExecContext * ec) cons
 	return safeMapLookup<ParamNotFound>(parameters, name)(ec);
 }
 
-void
-IHaveParameters::push(const IHaveParameters * p)
-{
-	scope.push_back(p);
-}
-
-void
-IHaveParameters::pop()
-{
-	scope.pop_back();
-}
-
-VariableType
-IHaveParameters::getScopedParameter(const Glib::ustring & name, ExecContext * ec)
-{
-	for(Stack::const_reverse_iterator ihp = scope.rbegin(); ihp != scope.rend(); ++ihp) {
-		Parameters::const_iterator i = (*ihp)->parameters.find(name);
-		if (i != (*ihp)->parameters.end()) {
-			return i->second(ec);
-		}
-	}
-	throw ParamNotFound(name);
-}
-
 const IHaveParameters::Parameters &
 IHaveParameters::allParameters() const
 {
diff --git a/project2/common/iHaveParameters.h b/project2/common/iHaveParameters.h
index 7b15289..bab4592 100644
--- a/project2/common/iHaveParameters.h
+++ b/project2/common/iHaveParameters.h
@@ -16,16 +16,9 @@ class IHaveParameters {
 
 		const Parameters & allParameters() const;
 		VariableType getParameter(const Glib::ustring &, ExecContext *) const;
-		static VariableType getScopedParameter(const Glib::ustring &, ExecContext *);
 
 	protected:
 		Parameters parameters;
-
-		static void push(const IHaveParameters *);
-		static void pop();
-	private:
-		typedef std::vector<const IHaveParameters *> Stack;
-		static Stack scope;
 };
 
 #endif
diff --git a/project2/common/rowProcessor.cpp b/project2/common/rowProcessor.cpp
index 2e695cf..5156f62 100644
--- a/project2/common/rowProcessor.cpp
+++ b/project2/common/rowProcessor.cpp
@@ -4,6 +4,7 @@
 #include "commonObjects.h"
 #include "scopeObject.h"
 #include <boost/algorithm/string/predicate.hpp>
+#include "execContext.h"
 
 RowProcessor::RowProcessor(ScriptNodePtr p) :
 	IHaveParameters(p),
@@ -25,9 +26,9 @@ RowProcessor::loadComplete(const CommonObjects * co)
 void
 RowProcessor::execute(ExecContext * ec, const RowProcessorCallback & cb) const
 {
-	IHaveParameters::push(this);
+	ec->ParametersPush(this);
 	ScopeObject _ihp(
-			boost::bind(&IHaveParameters::pop),
+			boost::bind(&ExecContext::ParametersPop, ec),
 			boost::bind(&RowProcessor::saveCaches, this, ec),
 			boost::bind((CROE ? &RowProcessor::saveCaches : &RowProcessor::discardCaches), this, ec),
 			boost::bind(&TargetCaches::clear, &tc));
diff --git a/project2/common/variables/localparam.cpp b/project2/common/variables/localparam.cpp
index bb71bde..cf2f165 100644
--- a/project2/common/variables/localparam.cpp
+++ b/project2/common/variables/localparam.cpp
@@ -3,6 +3,7 @@
 #include "../scriptLoader.h"
 #include "../scriptStorage.h"
 #include "../iHaveParameters.h"
+#include "../execContext.h"
 
 /// Variable implementation to access call parameters
 class VariableLocalParam : public VariableImplDyn {
@@ -15,7 +16,7 @@ class VariableLocalParam : public VariableImplDyn {
 		VariableType value(ExecContext * ec) const
 		{
 			try {
-				return IHaveParameters::getScopedParameter(name, ec);
+				return ec->getScopedParameter(name);
 			}
 			catch (ParamNotFound) {
 				if (!defaultValue) {