Add templated memory

src/include/analysis.h

@@ -1,6 +1,10 @@
 #ifndef ANALYSIS_H
 #define ANALYSIS_H
 
+#include "types.h"
+#include "memory.h"
+using namespace std;
 
+void analyze(Node &ast, Memory<int> &memory);
 
 #endif

src/include/interpreter.h

@@ -10,6 +10,6 @@ using namespace std;
 /*
     Evaluates the AST, returning the latest calulated value
 */
-EvalResult eval(Node &ast, Memory& memory);
+EvalResult eval(Node &ast, Memory<EvalResult>& memory);
 
 #endif

src/include/memory.h

@@ -5,6 +5,7 @@
 #include "types.h"
 using namespace std;
 
+template <typename MemoryEntry>
 class Memory {
     public:
         bool contains(string identifier);
@@ -12,9 +13,9 @@ class Memory {
         void add_scope(ScopeType type);
         void remove_scope(void);
 
-        EvalResult get(string identifier);
-        void declare(string identifier, EvalResult value);
-        void update(string identifier, EvalResult value);
+        MemoryEntry get(string identifier);
+        void declare(string identifier, MemoryEntry value);
+        void update(string identifier, MemoryEntry value);
 
         Scope& _debug_top(void);
 
@@ -24,4 +25,74 @@ class Memory {
         list<Scope> scopes;
 };
 
+template <typename MemoryEntry>
+Memory<MemoryEntry>::Memory(void) {
+    scopes.emplace_back();
+    scopes.back().depth = 0;
+}
+
+template <typename MemoryEntry>
+bool Memory<MemoryEntry>::contains(string identifier) {
+    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
+        Scope& scope = *rit;
+        if (scope.vars.contains(identifier)) return true;
+    }
+    
+    return false;
+}
+
+template <typename MemoryEntry>
+bool Memory<MemoryEntry>::contains_top(string identifier) {
+    Scope& top = scopes.back();
+    return top.vars.contains(identifier);
+}
+
+template <typename MemoryEntry>
+void Memory<MemoryEntry>::add_scope(ScopeType type) {
+    Scope& top = scopes.back();
+    scopes.emplace_back();
+    scopes.back().depth = top.depth + 1;
+    scopes.back().type = type;
+}
+
+template <typename MemoryEntry>
+void Memory<MemoryEntry>::remove_scope(void) {
+    scopes.pop_back();
+}
+
+template <typename MemoryEntry>
+MemoryEntry Memory<MemoryEntry>::get(string identifier) {
+    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
+        Scope& scope = *rit;
+        if (scope.vars.contains(identifier)) return scope.vars[identifier];
+    }
+    
+    throw;
+}
+
+template <typename MemoryEntry>
+void Memory<MemoryEntry>::declare(string identifier, MemoryEntry value) {
+    Scope& top = scopes.back();
+    top.vars[identifier] = value;
+}
+
+template <typename MemoryEntry>
+void Memory<MemoryEntry>::update(string identifier, MemoryEntry value) {
+    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
+        Scope& scope = *rit;
+        if (scope.vars.contains(identifier)) {
+            scope.vars[identifier] = value;
+            return;
+        }
+    }
+    
+    throw;
+}
+
+template <typename MemoryEntry>
+Scope& Memory<MemoryEntry>::_debug_top(void) {
+    Scope& top = scopes.back();
+    return top;
+}
+
 #endif

src/interpreter.cpp

@@ -41,7 +41,7 @@ double double_cast(EvalResult value) {
     }
 }
 
-EvalResult eval(Node &ast, Memory &memory) {
+EvalResult eval(Node &ast, Memory<EvalResult> &memory) {
     if (holds_alternative<InnerNode>(ast)) {
         InnerNode node = get<InnerNode>(ast);
         switch (node.type) {

src/main.cpp

@@ -24,7 +24,7 @@ int main(int argc, char* argv[]) {
 
     vector<string> input;
     vector<Token> tokens;
-    Memory memory = Memory();
+    Memory<EvalResult> memory;
 
     while (true) {
         try {

src/memory.cpp

@@ -1,65 +0,0 @@
-#include <iostream>
-#include "include/memory.h"
-using namespace std;
-
-Memory::Memory(void) {
-    scopes.emplace_back();
-    scopes.back().depth = 0;
-}
-
-bool Memory::contains(string identifier) {
-    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
-        Scope& scope = *rit;
-        if (scope.vars.contains(identifier)) return true;
-    }
-    
-    return false;
-}
-
-bool Memory::contains_top(string identifier) {
-    Scope& top = scopes.back();
-    return top.vars.contains(identifier);
-}
-
-void Memory::add_scope(ScopeType type) {
-    Scope& top = scopes.back();
-    scopes.emplace_back();
-    scopes.back().depth = top.depth + 1;
-    scopes.back().type = type;
-}
-
-void Memory::remove_scope(void) {
-    scopes.pop_back();
-}
-
-
-EvalResult Memory::get(string identifier) {
-    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
-        Scope& scope = *rit;
-        if (scope.vars.contains(identifier)) return scope.vars[identifier];
-    }
-    
-    throw;
-}
-
-void Memory::declare(string identifier, EvalResult value) {
-    Scope& top = scopes.back();
-    top.vars[identifier] = value;
-}
-
-void Memory::update(string identifier, EvalResult value) {
-    for (auto rit = scopes.rbegin(); rit != scopes.rend(); ++rit) {
-        Scope& scope = *rit;
-        if (scope.vars.contains(identifier)) {
-            scope.vars[identifier] = value;
-            return;
-        }
-    }
-    
-    throw;
-}
-
-Scope& Memory::_debug_top(void) {
-    Scope& top = scopes.back();
-    return top;
-}

test/bool_logic.cpp

@@ -6,7 +6,7 @@
 #include "../src/include/interpreter.h"
 
 int execute(string s) {
-    Memory memory = Memory();
+    Memory<EvalResult> memory;;
     vector<Token> tokens = tokenize({ s });
     Node ast = parse(tokens);
     EvalResult res = eval(ast, memory);

test/expr_arithmetiques.cpp

@@ -6,7 +6,7 @@
 #include "../src/include/interpreter.h"
 
 int execute(string s) {
-    Memory memory = Memory();
+    Memory<EvalResult> memory;;
     vector<Token> tokens = tokenize({ s });
     Node ast = parse(tokens);
     EvalResult res = eval(ast, memory);

test/statements.cpp

@@ -6,7 +6,7 @@
 #include "../src/include/interpreter.h"
 
 EvalResult execute(string s) {
-    Memory memory = Memory();
+    Memory<EvalResult> memory;;
     vector<Token> tokens = tokenize({ s });
     Node ast = parse(tokens);
     EvalResult res = eval(ast, memory);

test/variables.cpp

@@ -6,7 +6,7 @@
 #include "../src/include/interpreter.h"
 
 EvalResult execute(string s) {
-    Memory memory = Memory();
+    Memory<EvalResult> memory;;
     vector<Token> tokens = tokenize({ s });
     Node ast = parse(tokens);
     EvalResult res = eval(ast, memory);