Tested literal statement

.vscode/launch.json

@@ -0,0 +1,32 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/tests/literal_tests",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
+        }
+    ]
+}

CMakeLists.txt

@@ -21,3 +21,7 @@ ADD_CUSTOM_TARGET(HooBaseVisitor ALL DEPENDS ${ANTLR_GENERATED_DIR}/HooBaseVisit
 INCLUDE_DIRECTORIES(${ANTLR_GENERATED_DIR} ${ANTLR_INCLUDE_DIR})
 
 ADD_SUBDIRECTORY(src)
+ADD_SUBDIRECTORY(tests)
+
+ENABLE_TESTING()
+ADD_TEST(NAME literal_tests COMMAND literal_tests)

Dockerfile

@@ -36,6 +36,7 @@ RUN apt-get install -y openjdk-21-jdk-headless maven
 RUN apt-get install -y llvm llvm-dev
 RUN apt-get install -y libedit-dev libzstd-dev libcurlpp-dev
 RUN apt-get install -y libgtest-dev
+RUN apt-get install -y gdb
 COPY --from=build /custom/antlr4-cpp-runtime/usr/ /usr/
 COPY --from=build /custom/antlr4/antlr4-4.13.2-complete.jar /usr/local/lib/antlr4-4.13.2-complete.jar
 ENV CXX=/usr/bin/clang++-19

src/CMakeLists.txt

@@ -1,4 +1,13 @@
-ADD_LIBRARY(hoocore STATIC HooCore.cpp HooCore.hpp Node.hpp)
+ADD_LIBRARY(hoocore STATIC
+    ${ANTLR_GENERATED_DIR}/HooBaseVisitor.cpp
+    ${ANTLR_GENERATED_DIR}/HooVisitor.cpp
+    ${ANTLR_GENERATED_DIR}/HooLexer.cpp
+    ${ANTLR_GENERATED_DIR}/HooParser.cpp
+    Visitor.hpp
+    Visitor.cpp
+    HooCore.cpp
+    HooCore.hpp
+    Node.hpp)
 ADD_EXECUTABLE(hoo
     Hoo.cpp Visitor.cpp
     ${ANTLR_GENERATED_DIR}/HooBaseVisitor.cpp

src/HooCore.cpp

@@ -1,19 +1,33 @@
 #include "HooCore.hpp"
-#include "HooLexer.h"
-#include "HooParser.h"
-#include "Visitor.hpp"
 
-std::any HooCore::compile(std::string &input, std::string &moduleName)
+HooCore::HooCore(const std::string &input, const std::string &moduleName) : _input(input), _moduleName(moduleName)
+{
+    _input_stream = new antlr4::ANTLRInputStream(_input);
+    _lexer = new HooLexer(_input_stream);
+    _tokens = new antlr4::CommonTokenStream(_lexer);
+    _parser = new HooParser(_tokens);
+    _visitor = new Visitor(_moduleName);
+}
+
+HooCore::~HooCore()
+{
+    delete _visitor;
+    delete _parser;
+    delete _tokens;
+    delete _lexer;
+    delete _input_stream;
+}
+
+std::any HooCore::compile()
 {
     try
     {
-        antlr4::tree::ParseTree *tree = parse(input);
+        antlr4::tree::ParseTree *tree = parse();
         if (tree == nullptr)
         {
             std::cout << "Parse failed" << std::endl;
         }
-        Visitor *visitor = new Visitor(moduleName);
-        auto result = visitor->visit(tree);
+        auto result = _visitor->visit(tree);
         return result;
     }
     catch (const std::exception &e)
@@ -28,15 +42,11 @@ std::any HooCore::compile(std::string &input, std::string &moduleName)
     }
 }
 
-antlr4::tree::ParseTree *HooCore::parse(std::string &input)
+antlr4::tree::ParseTree *HooCore::parse()
 {
     try
     {
-        antlr4::ANTLRInputStream input_stream(input);
-        HooLexer lexer(&input_stream);
-        antlr4::CommonTokenStream tokens(&lexer);
-        HooParser parser(&tokens);
-        antlr4::tree::ParseTree *tree = parser.unit();
+        antlr4::tree::ParseTree *tree = _parser->unit();
         return tree;
     }
     catch (const std::exception &e)

src/HooCore.hpp

@@ -1,16 +1,31 @@
 #pragma once
 
 #include "antlr4-runtime.h"
+#include "HooLexer.h"
+#include "HooParser.h"
+#include "Visitor.hpp"
 
 #include <string>
 
 class HooCore
 {
-public:
-    HooCore() {}
-    ~HooCore() {}
+private:
+    const std::string &_input;
+    const std::string &_moduleName;
+    antlr4::ANTLRInputStream *_input_stream;
+    HooLexer *_lexer;
+    antlr4::CommonTokenStream *_tokens;
+    HooParser *_parser;
+    Visitor *_visitor;
 
 public:
-    static std::any compile(std::string &input, std::string &moduleName);
-    static antlr4::tree::ParseTree *parse(std::string &input);
+    HooCore(const std::string &input, const std::string &moduleName);
+    ~HooCore();
+
+public:
+    std::any compile();
+    antlr4::tree::ParseTree *parse();
+
+public:
+    std::shared_ptr<llvm::LLVMContext> getContext() const { return _visitor->getContext(); }
 };

src/Visitor.cpp

@@ -5,10 +5,10 @@
 #include <llvm/IR/Type.h>
 #include <llvm/Support/raw_ostream.h>
 
-Visitor::Visitor(std::string &moduleName) : _moduleName(moduleName),
-                                            _context(std::make_shared<llvm::LLVMContext>()),
-                                            _module(std::make_shared<llvm::Module>(moduleName, *_context)),
-                                            _builder(std::make_shared<llvm::IRBuilder<>>(*_context))
+Visitor::Visitor(const std::string &moduleName) : _moduleName(moduleName),
+                                                  _context(std::make_shared<llvm::LLVMContext>()),
+                                                  _module(std::make_shared<llvm::Module>(moduleName, *_context)),
+                                                  _builder(std::make_shared<llvm::IRBuilder<>>(*_context))
 {
 }
 
@@ -65,7 +65,31 @@ std::any Visitor::visitLiteral(HooParser::LiteralContext *ctx)
     return std::any{Node(NODE_IGNORE, DATATYPE_VOID, nullptr)};
 }
 
+std::any Visitor::visitLiteralStatement(HooParser::LiteralStatementContext *ctx)
+{
+    auto literal_context = ctx->literal();
+    auto result = visitLiteral(literal_context);
+    return result;
+}
+
+std::any Visitor::visitStatement(HooParser::StatementContext *ctx)
+{
+    auto listeral_stmt_ctx = ctx->literalStatement();
+    if (listeral_stmt_ctx != nullptr)
+    {
+        auto result = visitLiteralStatement(listeral_stmt_ctx);
+        return result;
+    }
+    return nullptr;
+}
+
 std::any Visitor::visitUnit(HooParser::UnitContext *ctx)
 {
-    return visitChildren(ctx);
+    auto stmt_ctx = ctx->statement();
+    if (stmt_ctx != nullptr)
+    {
+        auto result = visitStatement(stmt_ctx);
+        return result;
+    }
+    return nullptr;
 }

src/Visitor.hpp

@@ -11,15 +11,20 @@
 class Visitor : public HooBaseVisitor
 {
 private:
-    std::string &_moduleName;
+    const std::string &_moduleName;
     std::shared_ptr<llvm::LLVMContext> _context;
     std::shared_ptr<llvm::Module> _module;
     std::shared_ptr<llvm::IRBuilder<>> _builder;
 
 public:
-    Visitor(std::string &moduleName);
+    Visitor(const std::string &moduleName);
 
 public:
     std::any visitLiteral(HooParser::LiteralContext *ctx) override;
+    std::any visitLiteralStatement(HooParser::LiteralStatementContext *ctx) override;
+    std::any visitStatement(HooParser::StatementContext *ctx) override;
     std::any visitUnit(HooParser::UnitContext *ctx) override;
+
+public:
+    std::shared_ptr<llvm::LLVMContext> getContext() const { return _context; }
 };

tests/CMakeLists.txt

@@ -0,0 +1,5 @@
+FIND_PACKAGE (GTest REQUIRED)
+
+ADD_EXECUTABLE(literal_tests literal_tests.cpp)
+TARGET_LINK_LIBRARIES(literal_tests GTest::GTest GTest::Main hoocore antlr4-runtime LLVMCore LLVMSupport)
+TARGET_INCLUDE_DIRECTORIES(literal_tests PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../src)

tests/literal_tests.cpp

@@ -0,0 +1,15 @@
+#include "HooCore.hpp"
+#include "Node.hpp"
+
+#include <gtest/gtest.h>
+
+TEST(IntegerTest, Literal)
+{
+    auto compiler = new HooCore("1;", "main");
+    auto result = compiler->compile();
+    auto integer = std::any_cast<Node>(result);
+    ASSERT_EQ(integer.getNodeType(), NODE_LITERAL);
+    ASSERT_EQ(integer.getDataType(), DATATYPE_INTEGER);
+    ASSERT_EQ(integer.getValue(), llvm::ConstantInt::get(llvm::Type::getInt64Ty(*compiler->getContext()), 1, true));
+    delete compiler;
+}