Begin adding transpilation of basic elements

src/etc/lexer.cpp

@@ -21,7 +21,7 @@ vector<tok> lex(const string& in)
             case LBRACE: case RBRACE: case LBRACKET: case RBRACKET:
             case PLUS: case HYPHEN: case LCOMP: case RCOMP:
             case DOT: case DOLLAR_SIGN: case SQUOTE:
-                resVal.emplace_back(static_cast<tok::type>(current), string(1, current), lineNumber, i);
+                resVal.emplace_back(static_cast<tok::type>(current), string(1, current), lineNumber);
             [[likely]] case ' ': case '\t': case '\r': break;
             [[likely]] case '\n': ++lineNumber; break;
             default: {
@@ -39,13 +39,13 @@ vector<tok> lex(const string& in)
                                 formedString += string(1, in[i]);
                             } else {
                                 if (not isTypeString) --i;
-                                resVal.emplace_back(type, formedString, lineNumber, i);
+                                resVal.emplace_back(type, formedString, lineNumber);
                                 break;
                             }
                         }
                     }
                     case UNEXPECTED: break;
-                    default: resVal.emplace_back(type, string(1, current), lineNumber, i);
+                    default: resVal.emplace_back(type, string(1, current), lineNumber);
                 }
                 break;
             }

src/headers/lex.hpp

@@ -21,8 +21,8 @@ struct tok {
     };
     const type toktype;
     const std::string toktext;
-    const std::pair<unsigned long, unsigned int> linePosition;
-    tok(type Type, std::string_view Text, auto line, auto position): toktype(Type), toktext(Text), linePosition(line, position) {}
+    const unsigned long line = 0;
+    tok(type Type, std::string_view Text, auto line): toktype(Type), toktext(Text), line(line) {}
     friend std::ostream& operator<<(std::ostream& output, const tok& it) { return output << it.toktext; }
 };
 std::vector<tok> lex(const std::string& in);

src/headers/misc.hpp

@@ -2,7 +2,7 @@
 #define YERBACON_MISC_HPP
 
 string getFileContent(const string& file);
-void outputFileContent(const string& file, string_view content);
+void outputFileContent(const string& file, const string_view content);
 
 #include "lex.hpp"
 #include "parsing/Parser.hpp"

src/headers/parsing/ParseComponents.hpp

@@ -13,9 +13,7 @@ using namespace std;
 
 #include "../lex.hpp"
 
-
 #define IS(X) template<typename T, typename std::enable_if<std::is_base_of<X, T>::value>::type* = nullptr>
-#define IS_PARSECOMPONENT IS(ParseComponent)
 struct ParseComponent {
     [[nodiscard]] const type_info& getId() const { return typeid(*this); }
     virtual ~ParseComponent() = default;
@@ -49,10 +47,18 @@ namespace StandardComponents {
     }
 }
 
+#define IS_PARSECOMPONENT IS(ParseComponent)
 class ParseTree {
 protected:
     mutable vector<unique_ptr<ParseComponent>> subComponents;
+    using array_type = decltype(subComponents);
+    using iterator = array_type::iterator;
+    using const_iterator = array_type::const_iterator;
 public:
+    inline iterator begin() const noexcept { return subComponents.begin(); }
+    inline const_iterator cbegin() const noexcept { return subComponents.cbegin(); }
+    inline iterator end() const noexcept { return subComponents.end(); }
+    inline const_iterator cend() const noexcept { return subComponents.cend(); }
     IS_PARSECOMPONENT
     auto findById() const {
         return subComponents | views::filter([](unique_ptr<ParseComponent>& it) {
@@ -61,15 +67,11 @@ public:
             return reinterpret_cast<T*>(it.get());
         });
     }
-    IS_PARSECOMPONENT
-    inline auto findReferencesById() const {
-        return findById<T>() | views::transform([](T* it) {
-            return ref(static_cast<T&>(*it));
-        });
-    }
     IS(StandardComponents::NamedIdentifier)
     optional<reference_wrapper<T>> findReferenceByName(const string& name) const {
-        auto identifiers = findReferencesById<T>();
+        auto identifiers = findById<T>() | views::transform([](T* it) {
+            return ref(static_cast<T&>(*it));
+        });
         for (const auto& identifier: identifiers) {
             if (identifier.get().getId() == typeid(T) && identifier.get().name == name) {
                 return make_optional(identifier);
@@ -78,8 +80,6 @@ public:
         return optional<reference_wrapper<T>>();
     };
     inline size_t getCompCount() const { return subComponents.size(); }
-    auto& getComponents() { return subComponents; }
-    const auto& getComponents() const { return subComponents; }
     IS_PARSECOMPONENT
     void add(const T& component) const {
         subComponents.emplace_back(new T(component));

src/headers/transpiler/Target.hpp

@@ -5,18 +5,35 @@
 #include <string_view>
 #include <iostream>
 #include <memory>
+#include <sstream>
 
 #include "../parsing/ParseComponents.hpp"
 
-struct Target {
+#define GETCOMP(X) virtual void get(const X& parseComponent, std::stringstream& output) {}
+class Target {
+protected:
+    GETCOMP(StandardComponents::Define);
+    GETCOMP(StandardComponents::Reference);
+    GETCOMP(StandardComponents::Class);
+public:
     static shared_ptr<Target> forName(string_view name);
 
+    #define with(X) if (id == typeid(X)) { this->get(reinterpret_cast<X&>(*component), result); continue; }
     string transpileWithTree(const ParseTree& tree) {
-        return ""; // TODO Call other methods
+        stringstream result;
+        for (const unique_ptr<ParseComponent>& component: tree) {
+            const type_info& id = (*component).getId();
+            with(StandardComponents::Define);
+            with(StandardComponents::Reference);
+            with(StandardComponents::Class);
+        }
+        return result.str();
     };
+    #undef with
 };
+#undef GETCOMP
 
-string transpile(const ParseTree& tree, const string_view& language) {
+inline string transpile(const ParseTree& tree, const string_view& language) {
     return Target::forName(language)->transpileWithTree(tree);
 }
 

src/headers/transpiler/implementations/Js.hpp

@@ -1,6 +1,10 @@
 #ifndef JS_HPP
 #define JS_HPP JsTarget
 
-struct JsTarget: Target {};
+struct JsTarget: Target {
+    void get(const StandardComponents::Define &parseComponent, std::stringstream &output) override {
+        output << (parseComponent.final ? "const " : "let ") << parseComponent.name << " = ";
+    }
+};
 
 #endif

src/headers/transpiler/implementations/Lua.hpp

@@ -1,6 +1,13 @@
 #ifndef LUA_HPP
 #define LUA_HPP LuaTarget
 
-struct LuaTarget: Target {};
+struct LuaTarget: Target {
+    void get(const StandardComponents::Define &parseComponent, std::stringstream& output) override {
+        if (parseComponent.final) output << "local ";
+        output << parseComponent.name;
+        if (parseComponent.final) output << " <const>"; // TODO Find an alternative to <const> for lua >5.4
+        output << " = ";
+    }
+};
 
 #endif

src/headers/transpiler/implementations/Py.hpp

@@ -1,6 +1,10 @@
 #ifndef PY_HPP
 #define PY_HPP PyTarget
 
-struct PyTarget: Target {};
+struct PyTarget: Target {
+    void get(const StandardComponents::Define &parseComponent, std::stringstream &output) override {
+        output << parseComponent.name << " = ";
+    }
+};
 
 #endif

src/main.cpp

@@ -31,7 +31,7 @@ int main(int argc, char* argv[]) {
             else if (currentArg.ends_with(".ybcon")) files.push_back(currentArg);
         }
         const auto compile = [&target](string_view name) {
-            string transpiledString = transpile(parseString(getFileContent(name.data())), target);
+            const string transpiledString = transpile(parseString(getFileContent(name.data())), target);
             name.remove_suffix(6);
             string outputFile;
             (outputFile = name).append(target);