structs and functions in ctx

[toc] / src / find.h

diff --git a/src/find.h b/src/find.h
index 1876a1e0a59c0c29459de0b41aea468a746bded6..ea3ae2227b89169d99e5b74fa039b1ab53a6889a 100644 (file)
--- a/src/find.h
+++ b/src/find.h
@@ -18,104 +18,136 @@ opt<T> find(const std::vector<T> & ts, std::function<bool(T)> f)
   return nullopt;\r
 }\r
 \r
   return nullopt;\r
 }\r
 \r

-opt<Function> findFunction(\r
-  const Program & p,\r
-  const std::string & name,\r
-  const std::vector<std::string> & namespacePrefixes)\r
+template<typename T>\r
+opt<T *> findPtr(const std::vector<T> & ts, std::function<bool(T)> f)\r
+{\r
+  for (int i = 0; i < ts.size(); i++)\r
+    if (f(ts[i]))\r
+      return &((T *)ts.data())[i];\r
+  return nullopt;\r
+}\r
+\r
+bool checkNamespace(std::shared_ptr<Context> ctx, const std::vector<std::string> & namespacePrefix)\r

 {\r
 {\r

-  if (namespacePrefixes.empty())\r
-  {\r
-    return find<Function>(p.functions, [&](Function f) { return f.name == name; });\r
-  }\r

   \r
   \r

-  auto n = find<Namespace>(p.namespaces, [&](Namespace n) { return n.name == namespacePrefixes[0]; });\r
+    bool prefixMatches = true;\r
+\r
+    auto nIt = ctx;\r
+    for (int i = namespacePrefix.size() - 1; i >= 0; i--)\r
+    {\r
+      const std::string & prefix = namespacePrefix[i];\r
+      if (nIt == nullptr || ! nIt->name.has_value() || nIt->name.value() != prefix)\r
+      {\r
+        prefixMatches = false;\r
+        break;\r
+      }\r
+      nIt = nIt->parent;\r
+    }\r
+\r
+    return prefixMatches;\r
+}\r

 \r
 \r

-  if (!n.has_value())\r
-    return nullopt;\r

 \r
 \r

-  std::vector<Namespace> namespaces = { n.value() };\r

 \r
 \r

-  for (int i = 1; i < namespacePrefixes.size(); i++)\r
+opt<Function> findFunction(\r
+  const std::string & name,\r
+  const std::vector<std::string> & namespacePrefix,\r
+  std::shared_ptr<Context> ctx)\r
+{\r
+  for (auto it = ctx; it != nullptr; it = it->parent)\r

   {\r
   {\r

-    n = find<Namespace>(n.value().namespaces, [&](Namespace n) { return n.name == namespacePrefixes[i]; });\r
-    \r
-    if (!n.has_value())\r
-      return nullopt;\r
-\r
-    namespaces.push_back(n.value());\r
+    auto f = find<Function>(it->functions, [&](Function f) { return f.name == name; });\r
+    if (f.has_value() && checkNamespace(it, namespacePrefix))\r
+      return f;\r

   }\r
   }\r

+  return nullopt;\r
+}\r

 \r
 \r

-  for (int i = namespaces.size()-1; i >= 0; i--)\r
+opt<Function *> findFunctionPtr(\r
+  const std::string & name,\r
+  const std::vector<std::string> & namespacePrefix,\r
+  std::shared_ptr<Context> ctx)\r
+{\r
+  for (auto it = ctx; it != nullptr; it = it->parent)\r

   {\r
   {\r

-    auto f = find<Function>(namespaces[i].functions, [&](Function f) { return f.name == name; });\r
-    if (f.has_value())\r
-      return f.value();\r
+    auto f = findPtr<Function>(it->functions, [&](Function f) { return f.name == name; });\r
+    if (f.has_value() && checkNamespace(it, namespacePrefix))\r
+      return f;\r

   }\r
   }\r

-\r
-  return find<Function>(p.functions, [&](Function f) { return f.name == name; });\r
+  return nullopt;\r

 }\r
 \r
 }\r
 \r

+\r
+\r

 opt<Struct> findStruct(\r
 opt<Struct> findStruct(\r

-  const Program & p,\r

   const std::string & name,\r
   const std::string & name,\r

-  const std::vector<std::string> & namespacePrefixes)\r
+  const std::vector<std::string> & namespacePrefix,\r
+  std::shared_ptr<Context> ctx)\r

 {\r
 {\r

-  if (namespacePrefixes.empty())\r
+  for (auto it = ctx; it != nullptr; it = it->parent)\r

   {\r
   {\r

-    return find<Struct>(p.structs, [&](Struct s) { return s.name == name; });\r
+    auto s = find<Struct>(it->structs, [&](Struct s) { return s.name == name; });\r
+    if (s.has_value() && checkNamespace(it, namespacePrefix))\r
+      return s;\r

   }\r
   }\r

-  \r
-  auto n = find<Namespace>(p.namespaces, [&](Namespace n) { return n.name == namespacePrefixes[0]; });\r
-  \r
-  if (!n.has_value())\r
-    return nullopt;\r
-    \r
-  for (int i = 1; i < namespacePrefixes.size(); i++)\r
-  {\r
-    n = find<Namespace>(n.value().namespaces, [&](Namespace n) { return n.name == namespacePrefixes[i]; });\r
+  return nullopt;\r
+}\r

 \r
 \r

-    if (!n.has_value())\r
-      return nullopt;\r
+opt<Struct *> findStructPtr(\r
+  const std::string & name,\r
+  const std::vector<std::string> & namespacePrefix,\r
+  std::shared_ptr<Context> ctx)\r
+{\r
+  for (auto it = ctx; it != nullptr; it = it->parent)\r
+  {\r
+    auto s = findPtr<Struct>(it->structs, [&](Struct s) { return s.name == name; });\r
+    if (s.has_value() && checkNamespace(it, namespacePrefix))\r
+      return s;\r

   }\r
   }\r

-  return find<Struct>(n.value().structs, [&](Struct s) { return s.name == name; });\r
+  return nullopt;\r

 }\r
 \r
 }\r
 \r

+\r
+\r

 opt<Variable> findVariable(\r
 opt<Variable> findVariable(\r

-  const Program & p,\r

   const std::string & name,\r
   const std::string & name,\r

+  const std::vector<std::string> & namespacePrefix,\r

   std::shared_ptr<Context> ctx)\r
 {\r
   std::shared_ptr<Context> ctx)\r
 {\r

-  auto it = ctx;\r
-  while (it != nullptr)\r
+  for (auto it = ctx; it != nullptr; it = it->parent)\r

   {\r
     auto v = find<Variable>(it->variables, [&](Variable v) { return v.name == name; });\r
   {\r
     auto v = find<Variable>(it->variables, [&](Variable v) { return v.name == name; });\r

-    if (v.has_value())\r
+    if (v.has_value() && checkNamespace(it, namespacePrefix))\r

       return v;\r
       return v;\r

-    it = it->parent;\r

   }\r
   return nullopt;\r
 }\r
 \r
   }\r
   return nullopt;\r
 }\r
 \r

-opt<Function> findStructMethod(\r
-  const Program & p,\r
+\r
+\r
+opt<StructMember<Function>> findStructMethod(\r
+  const std::string & name,\r
+  const Struct & s)\r
+{\r
+  return find<StructMember<Function>>(s.methods, [&](Function f) { return f.name == name; });\r
+}\r
+opt<StructMember<Function> *> findStructMethodPtr(\r

   const std::string & name,\r
   const std::string & name,\r

-  TypeInfo ti)\r
+  const Struct & s)\r

 {\r
 {\r

-  if (!ti.isStruct)\r
-    return nullopt;\r
-  auto s = findStruct(p, ti.type.name, ti.type.namespacePrefixes);\r
-  if (!s.has_value())\r
-    return nullopt;\r
-  return find<StructMember<Function>>(s.value().methods, [&](Function f) { return f.name == name; });\r
+  return findPtr<StructMember<Function>>(s.methods, [&](Function f) { return f.name == name; });\r

 }\r
 \r
 }\r
 \r

-opt<Variable> findStructMember(\r
-  const Program & p,\r
-  TypeInfo ti,\r
-  const std::string & name)\r
+opt<StructMember<Variable>> findStructMember(\r
+  const std::string & name,\r
+  const Struct & s)\r
+{\r
+  return find<StructMember<Variable>>(s.members, [&](Variable v) { return v.name == name; });\r
+}\r
+\r
+opt<StructMember<Variable> *> findStructMemberPtr(\r
+  const std::string & name,\r
+  const Struct & s)\r

 {\r
 {\r

-  auto s = findStruct(p, ti.type.name, ti.type.namespacePrefixes);\r
-  if (!s.has_value())\r
-    return nullopt;\r
-  return find<StructMember<Variable>>(s.value().members, [&](Variable v) { return v.name == name; });\r
+  return findPtr<StructMember<Variable>>(s.members, [&](Variable v) { return v.name == name; });\r

 }
\ No newline at end of file
 }
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