Start working on build system.

bootstrap.sh

@@ -2,19 +2,29 @@
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 SOURCE_DIR=$SCRIPT_DIR/src
+CORE_SRC_DIR=$SOURCE_DIR/base/core
 
 g++ $SOURCE_DIR/main.cpp \
-       $SOURCE_DIR/base/core/base_types/Error.cpp \
-       $SOURCE_DIR/base/core/base_types/Index.cpp \
-       $SOURCE_DIR/base/core/data_structures/String.cpp \
-       $SOURCE_DIR/base/core/file_utilities/FileSystemPath.cpp \
-       $SOURCE_DIR/base/core/file_utilities/File.cpp \
-       $SOURCE_DIR/base/core/file_utilities/Directory.cpp \
-       $SOURCE_DIR/base/core/encoding/CharUtils.cpp \
+       $CORE_SRC_DIR/base_types/Error.cpp \
+       $CORE_SRC_DIR/base_types/Index.cpp \
+       $SOURCE_DIR/base/compiler/BuildLibrary.cpp \
+       $SOURCE_DIR/base/compiler/BuildSession.cpp \
+       $CORE_SRC_DIR/data_structures/String.cpp \
+       $CORE_SRC_DIR/encoding/CharUtils.cpp \
+       $CORE_SRC_DIR/filesystem/FileSystemPath.cpp \
+       $CORE_SRC_DIR/filesystem/File.cpp \
+       $CORE_SRC_DIR/filesystem/Directory.cpp \
+       $CORE_SRC_DIR/logging/ConsoleLogger.cpp \
+       $CORE_SRC_DIR/logging/Logger.cpp \
+       $CORE_SRC_DIR/time/Time.cpp \
        -o builder -g -fno-exceptions -fno-rtti \
-        -I$SOURCE_DIR/base/core/data_structures \
-        -I$SOURCE_DIR/base/core/base_types \
-        -I$SOURCE_DIR/base/core/memory \
-        -I$SOURCE_DIR/base/core/loggers \
-        -I$SOURCE_DIR/base/core/encoding \
-        -I$SOURCE_DIR/base/core/file_utilities
+        -I$CORE_SRC_DIR/base_types \
+        -I$SOURCE_DIR/base/compiler \
+        -I$CORE_SRC_DIR/data_structures \
+        -I$CORE_SRC_DIR/encoding \
+        -I$CORE_SRC_DIR/filesystem \
+        -I$CORE_SRC_DIR/logging \
+        -I$CORE_SRC_DIR/memory \
+        -I$CORE_SRC_DIR/system/process \
+        -I$CORE_SRC_DIR/time
+        

src/base/compiler/BuildLibrary.cpp

@@ -0,0 +1,25 @@
+#include "BuildLibrary.h"
+
+#include "Logger.h"
+#include "Directory.h"
+
+BuildLibrary::BuildLibrary(const FileSystemPath& build_config)
+    : m_build_config(build_config)
+{
+}
+
+Status BuildLibrary::scan()
+{
+    LOG_INFO("Scanning build file at: " << m_build_config);
+    const auto search_dir = m_build_config.parent_path();
+    const auto status = Directory::getFilesWithExtension(search_dir, 
+        ".cpp", 
+        m_sources, 
+        true);
+    return status;
+}
+
+const Vector<FileSystemPath>& BuildLibrary::get_sources() const 
+{
+    return m_sources;
+}

src/base/compiler/BuildLibrary.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "FileSystemPath.h"
+#include "String.h"
+
+class BuildLibrary
+{
+public:
+    BuildLibrary() = default;
+
+    BuildLibrary(const FileSystemPath& build_config);
+
+    Status scan();
+
+    const Vector<FileSystemPath>& get_sources() const;
+
+private:
+    FileSystemPath m_build_config;
+    Vector<FileSystemPath> m_sources;
+    Vector<FileSystemPath> m_includes;
+    String m_name;
+};

src/base/compiler/BuildSession.cpp

@@ -0,0 +1,73 @@
+#include "BuildSession.h"
+
+#include "Logger.h"
+#include "Process.h"
+#include "Directory.h"
+
+BuildSession::BuildSession(const String& source_dir, 
+    const String& build_dir)
+    : m_source_dir(source_dir)
+{
+    if (build_dir.empty())
+    {
+        m_build_dir = FileSystemPath::current_dir().value();
+    }
+    else
+    {
+        m_build_dir = build_dir;
+    }
+}
+
+Status BuildSession::scan()
+{
+    LOG_INFO("Scanning sources at:" << m_source_dir);
+    Vector<FileSystemPath> toml_files;
+    STATUS_CHECK(Directory::getFilesWithExtension(
+        m_source_dir, 
+        ".toml", 
+        toml_files,
+        true), "Error looking for build files");
+
+    for(const auto& toml_file : toml_files)
+    {
+        if (toml_file.file_name() == "build")
+        {
+            STATUS_CHECK(add_library(toml_file),
+                "Error adding library");
+        }
+    }
+    return {};
+
+}
+
+Status BuildSession::add_library(const FileSystemPath& config_path)
+{
+    LOG_INFO("Adding library at: " << config_path);
+    BuildLibrary lib(config_path);
+    STATUS_CHECK(lib.scan(), "Error scanning library");
+    m_libraries.push_back(lib);
+    return {};
+}
+
+Status BuildSession::build()
+{
+    for(const auto& library : m_libraries)
+    {
+        for(const auto& source : library.get_sources())
+        {
+            String compiler_command = m_compiler_command + " -c ";
+            compiler_command += source.str() + " ";
+            LOG_INFO("Running command: " << compiler_command);
+            
+            const auto self_name = Process::get_self_name();
+            if (!self_name.ok())
+            {
+                return Status(self_name.error());
+            }
+            LOG_INFO("Self name is: " << self_name.value());    
+            break;
+        }
+        break;
+    }
+    return {};
+}

src/base/compiler/BuildSession.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "BuildLibrary.h"
+#include "Error.h"
+
+class BuildSession
+{
+public:
+    BuildSession(const String& source_dir, 
+        const String& build_dir = {});
+
+    Status scan();
+
+    Status build();
+
+    Status add_library(const FileSystemPath& config_path);
+
+private:
+    String m_compiler_command{"g++"};
+    String m_compiler_flags{"-g -fno-exceptions -fno-rtti"};
+    FileSystemPath m_source_dir;
+    FileSystemPath m_build_dir;
+    Vector<BuildLibrary> m_libraries;
+};

src/base/core/base_types/Error.cpp

@@ -1,5 +1,8 @@
 #include "Error.h"
 
+#include <string.h>
+#include <errno.h>
+
 Error::Error(const String& msg)
         : m_message(msg)
 {
@@ -9,3 +12,32 @@ const String& Error::msg() const
 {
     return m_message;
 }
+
+String Error::from_errno()
+{
+    return ::strerror(errno);
+}
+
+Status::Status(const Error& err)
+    : m_error(err),
+        m_ok(false)
+{
+
+}
+
+void Status::on_errno(const String& prefix_msg)
+{
+    String errno_msg(::strerror(errno));
+    m_error = Error(prefix_msg + " | " + errno_msg);
+    m_ok = false;
+}
+
+const Error& Status::error() const 
+{
+    return m_error;
+}
+
+bool Status::ok() const 
+{
+    return m_ok;
+}

src/base/core/base_types/Error.h

@@ -2,6 +2,31 @@
 
 #include "String.h"
 
+#define IF_OK_AND_TRUE(PRED) \
+    const auto _result = PRED; \
+    if (!_result.ok()){return Status(_result.error());} \
+    if (_result.value())
+
+#define ERROR_IF_NOT_OK_OR_TRUE(PRED, msg) \
+    {const auto _result = PRED; \
+    if (!_result.ok()){return {_result.error()};} \
+    if (!_result.value()){return {Error(msg)};}}
+
+#define ON_ERRNO(msg) \
+    {Status _status; \
+    _status.on_errno("Failed to get directory content in opendir"); \
+    return _status;} \
+
+#define ON_ERRNO_RESULT(msg) \
+    return {Error(_s(msg) + " | " + Error::from_errno())};
+
+#define STATUS_CHECK(PRED, error_msg) \
+    {const auto _status = PRED; \
+    if (!_status.ok()){ \
+        const auto message = _s(error_msg) + "|" + _status.error().msg(); \
+        return Status(Error(message)); \
+    }}
+
 class Error
 {
 public:
@@ -10,6 +35,26 @@ public:
     Error() = default;
 
     const String& msg() const;
+
+    static String from_errno();
 private:
     String m_message;
 };
+
+class Status
+{
+public:
+    Status() = default;
+
+    Status(const Error& err);
+
+    void on_errno(const String& prefix_msg);
+
+    const Error& error() const;
+
+    bool ok() const;
+
+private:
+    Error m_error;
+    bool m_ok{true};
+};

src/base/core/base_types/Result.h

@@ -6,7 +6,7 @@ template<typename T>
 class Result
 {
 public:
-    Result(const T& val)
+    Result(const T& val = T())
         : m_value(val)
     {
 
@@ -19,6 +19,12 @@ public:
 
     }
 
+    void on_error(const Error& error)
+    {
+        m_error = error;
+        m_ok = false;
+    }
+
     const Error& error() const 
     {
         return m_error;
@@ -34,6 +40,11 @@ public:
         return m_value;
     }
 
+    T& value() 
+    {
+        return m_value;
+    }
+
 private:
     T m_value;
     Error m_error;

src/base/core/data_structures/String.cpp

@@ -1,6 +1,7 @@
 #include "String.h"
 
 #include <stdio.h>
+#include <stdarg.h>
 
 String::String()
 {
@@ -17,6 +18,49 @@ String::String(const char* data)
     append(data);
 }
 
+String String::fmt(const char* fmt, ...)
+{
+    String ret;
+
+    va_list args;
+    va_start(args, fmt);
+
+    char format_delim = '%';
+    bool in_format = false;
+    while(*fmt != '\0')
+    {
+        if (*fmt == format_delim)
+        {
+            in_format = true;
+        }
+        else if(in_format && *fmt == 's')
+        {
+            in_format = false;
+            const auto s = va_arg(args, char*);
+            ret.append(s);
+        }
+        else if(in_format && *fmt == 'd')
+        {
+            in_format = false;
+            const auto i = va_arg(args, int);
+            ret += to_string(i);
+        }
+        else if(in_format && *fmt == 'c')
+        {
+            in_format = false;
+            const auto c = va_arg(args, int);
+            ret +=c;
+        }
+        else
+        {
+            ret += *fmt;
+        }
+        ++fmt;
+    }
+    va_end(args);
+    return ret;
+}
+
 void String::append(const char* data)
 {
     if (data == nullptr)
@@ -26,9 +70,18 @@ void String::append(const char* data)
     }
 
     auto loc = data;
+    bool first=true;
     while(*loc != '\0')
+    {
+        if (!m_data.empty() && first)
+        {
+            m_data[m_data.size() - 1] = *loc;
+        }
+        else
         {
             m_data.push_back(*loc);
+        }
+        first = false;
         loc++;
     }
     m_data.push_back('\0');
@@ -46,7 +99,7 @@ bool String::empty() const
 
 void String::append(const Vector<Byte>& data)
 {
-    if (data.capacity() == 0)
+    if (data.empty())
     {
         m_data.push_back('\0');  
         return;
@@ -79,7 +132,7 @@ Pair<String, String> String::rsplit(char c) const
         slice(0, index.value(), left);
 
         String right;
-        slice(index.value(), size(), right);
+        slice(index.value() + 1, size(), right);
         return {left, right};
     }
     return {*this, {}};
@@ -87,7 +140,7 @@ Pair<String, String> String::rsplit(char c) const
 
 bool String::slice(std::size_t idx, String& out) const
 {
-    if (idx >= m_data.size() - 1)
+    if (idx >= m_data.size())
     {
         return false;
     }
@@ -102,7 +155,7 @@ bool String::slice(std::size_t idx, String& out) const
 
 bool String::slice(std::size_t start, std::size_t end, String& out) const
 {
-    if (end >= m_data.size() - 1)
+    if (end >= m_data.size())
     {
         return false;
     }
@@ -181,6 +234,12 @@ String& String::operator<<(const char* body)
     return *this;
 } 
 
+String& String::operator<<(const String& body)
+{
+    *this += body;
+    return *this;
+}
+
 bool String::operator==(const String& other) const
 {
     return m_data == other.m_data;
@@ -193,12 +252,7 @@ bool String::operator!=(const String& other) const
 
 String& String::operator<<(size_t idx)
 {
-    /*
-    const auto num_digits = static_cast<unsigned>(log10(double(idx))) + 1;
-    char body[num_digits+1];
-    snprintf(body, num_digits+1, "%d", static_cast<int>(idx));
-    append(body);
-    */
+    *this += to_string(idx);
     return *this;
 }
 
@@ -225,6 +279,10 @@ String String::operator+(const String& str) const
 
 String& String::operator+=(char c)
 {
+    if (m_data.empty())
+    {
+        m_data.push_back('\0');
+    }
     m_data.push_back('\0');
     m_data[m_data.size()-2] = c;
     return *this;

src/base/core/data_structures/String.h

@@ -14,6 +14,10 @@ public:
 
     String(const char* data);
 
+    static String fmt(const char* fmt, ...);
+
+    void append(const Vector<Byte>& data);
+
     const Vector<char>& data() const;
 
     bool empty() const;
@@ -36,10 +40,19 @@ public:
 
     char operator[](std::size_t idx) const;
 
+    String& operator<<(const String& body);
+
     String& operator<<(const char* body);
 
     String& operator<<(size_t idx); 
 
+    template<typename T>
+    String& operator<<(const T& stringable)
+    {
+        *this += stringable.str();
+        return *this;
+    } 
+
     String& operator+=(const String& str);
 
     String& operator+=(char c);
@@ -51,9 +64,9 @@ public:
     bool operator!=(const String& other) const;
 
 private:
-    void append(const Vector<Byte>& data);
-
     void append(const char* data);
 
     Vector<char> m_data;
 };
+
+using _s = String;

src/base/core/data_structures/Vector.h

@@ -12,7 +12,6 @@ public:
     Vector(std::size_t size)
     {
         resize(size);
-        m_size = size;
     }
 
     Vector(const Vector& v)
@@ -56,22 +55,20 @@ public:
         {
             v.m_data[idx] = m_data[idx];
         }
-        v.m_size = slice_idx;
         return true;
     }
 
     bool slice(std::size_t slice_start, std::size_t slice_end, Vector& v) const
     {
-        if (slice_end >= m_size)
+        if (slice_end > m_size)
         {
             return false;
         }
         v.resize(slice_end - slice_start);
         for(std::size_t idx=slice_start; idx<slice_end;idx++)
         {
-            v.m_data[idx] = m_data[idx];
+            v.m_data[idx - slice_start] = m_data[idx];
         }
-        v.m_size = slice_end;
         return true;
     }
 
@@ -90,36 +87,46 @@ public:
         return m_size == 0;
     }
 
-    void clear()
+    void clear(bool update_sizes=true)
     {
         if (has_allocated())
         {
             m_allocator.delete_array(m_data);
             m_data = nullptr;
+            if (update_sizes)
+            {
                 m_capacity = 0;
                 m_size = 0;
             }
         }     
+    }
 
     void resize(std::size_t size)
     {
         resize_capacity(size);
+        m_size = size;
     }
 
     void resize(std::size_t size, const T& value)
     {
         resize_capacity(size);
+        m_size = size;
         fill_with(value);
     }
 
     void extend(const Vector& other)
     {
-        resize(m_size + other.m_size);
-        for(std::size_t idx=0;idx<other.m_size;idx++)
+        size_t resize_delta{0};
+        if (other.m_size > remaining_capacity())
+        {
+            resize_delta = other.m_size - remaining_capacity();
+            resize_capacity(m_capacity + resize_delta);
+        }  
+        for(size_t idx=0;idx<other.m_size;idx++)
         {
             m_data[idx + m_size] = other[idx];
         }
-        m_size = m_size + other.m_size;
+        m_size += other.m_size;
     }
 
     T pop_back()
@@ -162,7 +169,6 @@ public:
         {
             m_data[idx] = v.m_data[idx];
         }
-        m_size = v.size();
         return *this;
     }
 
@@ -196,6 +202,11 @@ private:
         return m_capacity > 0;
     }
 
+    size_t remaining_capacity() const 
+    {
+        return m_capacity - m_size;
+    }
+
     void resize_capacity(std::size_t new_capacity)
     {
         if (!has_allocated())
@@ -206,23 +217,18 @@ private:
         else if (new_capacity != m_capacity)
         {
             auto temp = m_allocator.alloc_array(new_capacity);
-            for(std::size_t idx=0; idx<new_capacity; idx++)
+            auto min_capacity = new_capacity;
+            if (m_capacity < min_capacity)
+            {
+                min_capacity = m_capacity;
+            }
+            for(size_t idx=0; idx<min_capacity; idx++)
             {
                 temp[idx] = m_data[idx];
             }
-            auto old_size = m_size;
-            clear();
+            clear(false);
             m_data = temp;
             m_capacity = new_capacity;
-            m_size = old_size;
-            if (old_size > m_capacity)
-            {
-                m_size = m_capacity;
-            }
-        }
-        else if(m_size != m_capacity)
-        {
-            m_size = m_capacity;
         }
     }
 

src/base/core/file_utilities/Directory.cpp

@@ -1,94 +0,0 @@
-#include "Directory.h"
-#include <dirent.h>
-#include <stdio.h>
-#include <sys/stat.h>
-
-Vector<FileSystemPath> Directory::getSubdirectories(const FileSystemPath& path)
-{
-    Vector<FileSystemPath> ret;
-    auto dirp = ::opendir(path.as_string().raw());
-    while(auto ep = ::readdir(dirp))
-    {
-        auto rel_path = String(ep->d_name);
-        if (rel_path == "." || rel_path == "..")
-        {
-            continue;
-        }
-
-        auto full_path = path.join(rel_path);
-        struct stat sb;
-        auto rc = lstat(full_path.as_string().raw(), &sb);
-        if (rc == -1)
-        {
-            printf("Got error");
-        }
-        if (S_ISDIR(sb.st_mode))
-        {
-            printf("Adding full path: %s\n", full_path.as_string().raw());
-            ret.push_back(full_path);
-        }
-    }
-    ::closedir(dirp);
-    return ret;
-}
-
-Vector<FileSystemPath> Directory::getFiles(const FileSystemPath& path, bool recursive)
-{
-    Vector<FileSystemPath> paths;
-    if (path.is_directory())
-    {
-        for (const auto& entry : getSubdirectories(path))
-        {
-            if (entry.is_regular_file())
-            {
-                paths.push_back(entry);
-            }
-            else if(recursive && entry.is_directory())
-            {
-                const auto child_paths = getFiles(entry, recursive);
-                paths.extend(child_paths);
-            }
-        }
-    }
-    return paths;
-}
-
-Vector<FileSystemPath> Directory::getFilesWithExtension(const FileSystemPath& path, const String& extension, bool recursive)
-{
-    Vector<FileSystemPath> paths;
-    if (path.is_directory())
-    {
-        for (const auto& entry : getSubdirectories(path))
-        {
-            if (entry.is_regular_file() && entry.extension() == extension)
-            {
-                paths.push_back(entry);
-            }
-            else if(recursive && entry.is_directory())
-            {
-                const auto child_paths = getFilesWithExtension(entry, extension, recursive);
-                paths.extend(child_paths);
-            }
-        }
-    }
-    return paths;
-}
-
-void Directory::create(const FileSystemPath& path, bool existsOk)
-{
-    (void)existsOk;
-    FileSystemPath working_path;
-    if (path.is_directory())
-    {
-        working_path = path;
-    }
-    else
-    {
-        working_path = path.parent_path();
-    }
-
-    if (!working_path.exists())
-    {
-        //std::filesystem::create_directories(working_path);
-    }
-}

src/base/core/file_utilities/Directory.h

@@ -1,16 +0,0 @@
-#pragma once
-
-#include "Vector.h"
-#include "FileSystemPath.h"
-
-class Directory
-{
-public:
-    static Vector<FileSystemPath> getSubdirectories(const FileSystemPath& path);
-
-    static void create(const FileSystemPath& path, bool existsOK = false);
-
-    static Vector<FileSystemPath> getFiles(const FileSystemPath& path, bool recursive=false);
-
-    static Vector<FileSystemPath> getFilesWithExtension(const FileSystemPath& path, const String& extension, bool recursive=false);
-};

src/base/core/filesystem/Directory.cpp

@@ -0,0 +1,128 @@
+#include "Directory.h"
+#include "ConsoleLogger.h"
+
+#include <dirent.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+Status Directory::getDirectoryContents(const FileSystemPath& path, Vector<FileSystemPath>& ret)
+{
+    Status status;
+    errno = 0;
+    auto dirp = ::opendir(path.str().raw());
+    if (dirp == nullptr)
+    {
+        ON_ERRNO("Failed to get directory content in opendir");
+    }
+
+    while(auto ep = ::readdir(dirp))
+    {
+        auto rel_path = String(ep->d_name);
+        if (rel_path == "." || rel_path == "..")
+        {
+            continue;
+        }
+
+        const auto full_path = path.join(rel_path);
+        IF_OK_AND_TRUE(full_path.is_regular_file_or_directory())
+        {
+            ret.push_back(full_path);
+        }
+    }
+    String errno_msg;
+    if (errno != 0)
+    {
+        errno_msg = "Failed traversing dirp structure | ";
+        errno_msg += Error::from_errno();
+    }
+    errno = 0;
+    const auto rc = ::closedir(dirp);
+    if (rc != 0)
+    {
+        errno_msg += "Failed to close dirp";
+        errno_msg += Error::from_errno();
+    }
+    if (!errno_msg.empty())
+    {
+        return Status(errno_msg);
+    }
+    return {};
+}
+
+Status Directory::getFiles(const FileSystemPath& path, 
+    Vector<FileSystemPath>& ret, 
+    bool recursive,
+    const String& extension)
+{
+    const auto is_dir = path.is_directory();
+    if (!is_dir.ok())
+    {
+        return Status(is_dir.error());
+    }
+
+    if (!is_dir.value())
+    {
+        return {};
+    }
+
+    Vector<FileSystemPath> dir_contents;
+    STATUS_CHECK(getDirectoryContents(path, dir_contents),
+        "Failed to get directory contents");
+
+    for (const auto& entry : dir_contents)
+    {
+        IF_OK_AND_TRUE(entry.is_regular_file())
+        {
+            if (!extension.empty())
+            {
+                if (entry.extension() == extension)
+                {
+                    ret.push_back(entry);
+                }
+            }
+            else
+            {
+                LOG_INFO("Adding entry " << entry);
+                ret.push_back(entry);
+            }
+        }
+        else if(recursive)
+        {
+            IF_OK_AND_TRUE(entry.is_directory())
+            {
+                Vector<FileSystemPath> child_paths;
+                STATUS_CHECK(getFiles(entry, child_paths, recursive), "Failed to get files");
+                ret.extend(child_paths);
+            }
+        }
+    }
+    return {};
+}
+
+Status Directory::getFilesWithExtension(const FileSystemPath& path, 
+    const String& extension, 
+    Vector<FileSystemPath>& ret, 
+    bool recursive)
+{
+    return getFiles(path, ret, recursive, extension);
+}
+
+Status Directory::create(const FileSystemPath& path, bool existsOk)
+{
+    (void)existsOk;
+    FileSystemPath working_path;
+    if (path.is_directory().value())
+    {
+        working_path = path;
+    }
+    else
+    {
+        working_path = path.parent_path();
+    }
+
+    if (!working_path.exists())
+    {
+        //std::filesystem::create_directories(working_path);
+    }
+    return {};
+}

src/base/core/filesystem/Directory.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "Vector.h"
+#include "FileSystemPath.h"
+#include "Result.h"
+
+class Directory
+{
+public:
+    static Status getDirectoryContents(const FileSystemPath& path, 
+        Vector<FileSystemPath>& content);
+
+    static Status create(const FileSystemPath& path, bool existsOK = false);
+
+    static Status getFiles(const FileSystemPath& path, 
+        Vector<FileSystemPath>& content, 
+        bool recursive=false,
+        const String& extension = {});
+
+    static Status getFilesWithExtension(const FileSystemPath& path, 
+        const String& extension, 
+        Vector<FileSystemPath>& content, 
+        bool recursive=false);
+};

src/base/core/filesystem/File.cpp

@@ -16,7 +16,7 @@
 class FileImpl
 {
 public:
-    void do_open(const FileSystemPath& path, File::AccessMode accessMode)
+    Status do_open(const FileSystemPath& path, File::AccessMode accessMode)
     {
         int flags{0};
         if (accessMode == File::AccessMode::Read)
@@ -28,8 +28,15 @@ public:
             flags |= O_WRONLY;
             flags |= O_CREAT;
         }
+        errno = 0;
+        m_fd = ::open(path.str().raw(), flags);
+        if (m_fd < 0)
+        {
+            Status ret;
+            ret.on_errno("Failed to open file with");
+            return ret;
+        }
 
-        m_fd = ::open(path.as_string().raw(), flags);
         if (accessMode == File::AccessMode::Read)
         {
             m_open_for_read = true;
@@ -38,13 +45,22 @@ public:
         {
             m_open_for_write = true;
         }
+        return {};
     }
 
-    void do_close()
+    Status do_close()
     {
-        ::close(m_fd);
+        errno = 0;
+        const auto rc = ::close(m_fd);
+        if (rc < 0)
+        {
+            Status ret;
+            ret.on_errno("Failed to close file with");
+            return ret;          
+        }
         m_open_for_read = false;
         m_open_for_write = false;
+        return {};
     }
 
     bool is_ok() const
@@ -68,35 +84,56 @@ public:
         const auto rc = ::read(m_fd, bytes.data(), bytes.capacity());
         if (rc < 0)
         {
-            const auto last_err = errno;
-            String msg(::strerror(last_err));
+            const auto msg = _s("Error in read impl | ") + Error::from_errno();
             return Result<std::size_t>(Error(msg));
         }
         return Result<std::size_t>(rc);
     }
 
-    std::size_t do_write(const VecBytes& bytes)
+    Result<std::size_t> do_write(const VecBytes& bytes)
     {
-        return ::write(m_fd, bytes.data(), bytes.size());
+        errno = 0;
+        const auto rc = ::write(m_fd, bytes.data(), bytes.size());
+        if (rc < 0)
+        {
+            const auto msg = _s("Error in write impl | ") + Error::from_errno();
+            return Result<std::size_t>(Error(msg));
+        }   
+        return Result<std::size_t>(rc);
     }
 
-    std::size_t do_write(const Vector<char>& bytes, int size = -1)
+    Result<std::size_t> do_write(const Vector<char>& bytes, int size = -1)
     {
+        errno = 0;
+        int rc = 0;
         if (size > -1)
         {
-            return ::write(m_fd, bytes.data(), size);
+            rc = ::write(m_fd, bytes.data(), size);
         }
         else
         {
-            return ::write(m_fd, bytes.data(), bytes.size());
+            rc = ::write(m_fd, bytes.data(), bytes.size());
         }
+        if (rc < 0)
+        {
+            const auto msg = _s("Error in write impl | ") + Error::from_errno();
+            return Result<std::size_t>(Error(msg));
+        }   
+        return Result<std::size_t>(rc);   
     }
 
-    void update_size()
+    Status update_size()
     {
         struct stat buf;
-        ::fstat(m_fd, &buf);
+        const auto rc = ::fstat(m_fd, &buf);
+        if (rc != 0)
+        {
+            Status ret;
+            ret.on_errno("Failed to get size with fstat");
+            return ret;        
+        }
         m_size = buf.st_size;
+        return {};
     }
 
     bool m_open_for_write{false};
@@ -123,41 +160,77 @@ String File::getExtension() const
     return m_path.extension();
 }
 
-bool File::readBinary(VecBytes& buffer)
+Status File::readBinary(VecBytes& buffer)
 {
-    auto ok = open(AccessMode::Read, true);
-    if (!ok)
+    auto status = open(AccessMode::Read, true);
+    if (!status.ok())
     {
-        return false;
+        return status;
     }
 
-    m_impl->update_size();
-    buffer.resize(m_impl->m_size);
-    const auto result = m_impl->do_read(buffer);
-    buffer.resize(result.value());
-    return true;
+    status = m_impl->update_size();
+    if (!status.ok())
+    {
+        return status;
     }
 
-String File::readText()
-{
-    VecBytes buffer;
-    auto ok = open(AccessMode::Read, true);
-    if (!ok)
-    {
-        return {};
-    }
-
-    m_impl->update_size();
     buffer.resize(m_impl->m_size);
     const auto result = m_impl->do_read(buffer);
     if (!result.ok())
     {
-        printf("Got error: %s\n", result.error().msg());
+        return Status(result.error());
+    }
+    buffer.resize(result.value());
     return {};
 }
 
+Status File::readText(String& ret)
+{
+    auto status = open(AccessMode::Read, true);
+    if (!status.ok())
+    {
+        return status;
+    }
+
+    VecBytes buffer;
+    status = m_impl->update_size();
+    if (status.ok() && m_impl->m_size > 0)
+    {
+        buffer.resize(m_impl->m_size);
+        const auto result = m_impl->do_read(buffer);
+        if (!result.ok())
+        {
+            return Status(result.error());
+        }
         buffer.resize(result.value());
-    return String(buffer);
+        ret.append(buffer);
+    }
+    else
+    {
+        buffer.resize(1024);
+        while(true)
+        {
+            const auto result = m_impl->do_read(buffer);
+            if (!result.ok())
+            {
+                return Status(result.error());
+            }
+            if (result.value() < 1024)
+            {
+                if (result.value() > 0)
+                {
+                    buffer.resize(result.value());
+                    ret.append(buffer);
+                }
+                break;
+            }
+            else
+            {
+                ret.append(buffer);
+            }
+        }
+    }
+    return {};
 }
 
 String File::dumpBinary()
@@ -192,7 +265,7 @@ String File::dumpBinary()
 
 Optional<Byte> File::readNextByte()
 {
-    if (!open(AccessMode::Read))
+    if (!open(AccessMode::Read).ok())
     {
         return {};
     }
@@ -216,20 +289,19 @@ Optional<Byte> File::readNextByte()
     }
 }
 
-bool File::open(AccessMode accessMode, bool binary)
+Status File::open(AccessMode accessMode, bool binary)
 {
     if (m_path.is_absolute() && !m_path.parent_path().exists())
     {
         Directory::create(m_path.parent_path(), true);
     }
 
-    m_impl->do_open(m_path, accessMode);
-    return true;
+    return m_impl->do_open(m_path, accessMode);
 }
 
-void File::close()
+Status File::close()
 {
-    m_impl->do_close();
+    return m_impl->do_close();
 }
 
 FileFormat::Format File::inferFormat() const
@@ -239,27 +311,34 @@ FileFormat::Format File::inferFormat() const
     return {};
 }
 
-void File::writeText(const String& text)
+Status File::writeText(const String& text)
 {
     bool had_to_open{false};
+    Status status;
     if (!m_impl->is_open_for_write())
     {
         had_to_open = true;
-        m_impl->do_open(m_path, File::AccessMode::Write);
+        status = m_impl->do_open(m_path, File::AccessMode::Write);
+        if (!status.ok())
+        {
+            return status;
+        }
+    }
+    const auto result = m_impl->do_write(text.data(), text.data().size() - 1);
+    if (!result.ok())
+    {
+        return Status(result.error());
     }
-
-    m_impl->do_write(text.data(), text.data().size() - 1);
 
     if (had_to_open)
     {
-        m_impl->do_close();
+        status = m_impl->do_close();
     }
+    return status;
 }
 
-Vector<String> File::readLines()
+Status File::readLines(Vector<String>& lines)
 {
-    Vector<String> content;
-
     /*
     if (!pathExists())
     {
@@ -279,10 +358,10 @@ Vector<String> File::readLines()
 
     close();
     */
-    return content;
+    return {};
 }
 
-String File::read()
+Status File::read(String& ret)
 {
     /*
     if (!pathExists())
@@ -300,11 +379,10 @@ String File::read()
 
     close();
     */
-    String buffer;
-    return buffer;
+    return {};
 }
 
-bool File::pathExists() const
+bool File::exists() const
 {
     return m_path.exists();
 }

src/base/core/filesystem/File.h

@@ -23,7 +23,7 @@ public:
 
     ~File();
 
-    void close();
+    Status close();
 
     String dumpBinary();
 
@@ -31,21 +31,21 @@ public:
 
     FileFormat::Format inferFormat() const;
 
-    String readText();
+    Status readText(String& buffer);
 
-    Vector<String> readLines();
+    Status readLines(Vector<String>& lines);
 
-    String read();
+    Status read(String& buffer);
 
-    bool pathExists() const;
+    bool exists() const;
 
-    bool open(AccessMode mode, bool binary = false);
+    Status open(AccessMode mode, bool binary = false);
 
-    bool readBinary(VecBytes& bytes);
+    Status readBinary(VecBytes& bytes);
 
     Optional<Byte> readNextByte();
 
-    void writeText(const String& text);
+    Status writeText(const String& text);
 
 private:
     Ptr<FileImpl> m_impl;

src/base/core/filesystem/FileSystemPath.cpp

@@ -4,26 +4,25 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
-#include <stdio.h>
+
+FileSystemPath::FileSystemPath()
+{
+}
 
 FileSystemPath::FileSystemPath(const String& path)
     : m_path(path)
 {
-
 }
 
-const String& FileSystemPath::as_string() const
+const String& FileSystemPath::str() const
 {
     return m_path;
 }
 
 Result<bool> FileSystemPath::is_empty() const
 {
-    if (!is_regular_file())
-    {
-        return {Error("Requested empty check but target is not regular file.")};
-    } 
-
+    ERROR_IF_NOT_OK_OR_TRUE(is_regular_file(),
+        "Requested empty check but target is not regular file.");
     const auto size_result = get_size();
     if (!size_result.ok())
     {
@@ -34,21 +33,24 @@ Result<bool> FileSystemPath::is_empty() const
 
 Result<size_t> FileSystemPath::get_size() const
 {
-    if (!is_regular_file())
-    {
-        return {Error("Requested size but target is not regular file.")};
-    }
+    ERROR_IF_NOT_OK_OR_TRUE(is_regular_file(),
+        "Requested size check but target is not regular file.");
 
     struct stat buf;
-    ::stat(m_path.raw(), &buf);
+    errno = 0;
+    const auto rc = ::stat(m_path.raw(), &buf);
+    if (rc != 0)
+    {
+        ON_ERRNO_RESULT("Failed to stat file");
+    }
     return buf.st_size;
 }
 
-FileSystemPath FileSystemPath::current_dir()
+Result<FileSystemPath> FileSystemPath::current_dir()
 {
     errno = 0;
     const auto path_max = ::pathconf(".", _PC_PATH_MAX);
-    std::size_t size{0};
+    size_t size{0};
     if (path_max == -1)
     {
         size = 1024;
@@ -63,24 +65,48 @@ FileSystemPath FileSystemPath::current_dir()
     }
 
     Vector<char> buffer(path_max);
+    errno = 0;
     const auto ret = ::getcwd(buffer.data(), path_max);
+    if (ret == nullptr)
+    {
+        ON_ERRNO_RESULT("Failed to get cwd");
+    }
     return FileSystemPath(String(buffer.data()));
 }
 
-bool FileSystemPath::is_regular_file() const 
+Result<bool> FileSystemPath::is_regular_file() const 
 {
     struct stat path_stat;
-    ::stat(m_path.raw(), &path_stat);
+    const auto rc = ::stat(m_path.raw(), &path_stat);
+    if (rc != 0)
+    {
+        ON_ERRNO_RESULT("Failed to stat file");
+    } 
     return S_ISREG(path_stat.st_mode);
 }
 
-bool FileSystemPath::is_directory() const
+Result<bool> FileSystemPath::is_directory() const
 {
     struct stat path_stat;
-    ::stat(m_path.raw(), &path_stat);
+    const auto rc = ::stat(m_path.raw(), &path_stat);
+    if (rc != 0)
+    {
+        ON_ERRNO_RESULT("Failed to stat file");
+    } 
     return S_ISDIR(path_stat.st_mode);
 }
 
+Result<bool> FileSystemPath::is_regular_file_or_directory() const
+{
+    struct stat path_stat;
+    const auto rc = ::stat(m_path.raw(), &path_stat);
+    if (rc != 0)
+    {
+        ON_ERRNO_RESULT("Failed to stat file");
+    } 
+    return S_ISREG(path_stat.st_mode) || S_ISDIR(path_stat.st_mode);
+}
+
 bool FileSystemPath::is_absolute() const 
 {
     return false;
@@ -100,6 +126,21 @@ String FileSystemPath::extension() const
     return result;
 }
 
+String FileSystemPath::file_name() const
+{
+    String name_and_ext;;
+    const auto split = m_path.rsplit('/');
+    if (split.second().empty())
+    {
+        name_and_ext = split.first();
+    }
+    else
+    {
+        name_and_ext = split.second();
+    }
+    return name_and_ext.rsplit('.').first();
+}
+
 bool FileSystemPath::exists() const 
 {
     return ::access(m_path.raw(), F_OK) == 0;

src/base/core/filesystem/FileSystemPath.h

@@ -6,16 +6,18 @@
 class FileSystemPath
 {
 public:
-    FileSystemPath() = default;
+    FileSystemPath();
 
     FileSystemPath(const String& path);
 
-    const String& as_string() const;
+    const String& str() const;
 
-    static FileSystemPath current_dir();
+    static Result<FileSystemPath> current_dir();
 
     String extension() const;
 
+    String file_name() const;
+
     bool exists() const;
 
     Result<bool> is_empty() const;
@@ -24,9 +26,11 @@ public:
 
     FileSystemPath join(const String& entry) const;
 
-    bool is_regular_file() const;
+    Result<bool> is_regular_file() const;
 
-    bool is_directory() const;
+    Result<bool> is_directory() const;
+
+    Result<bool> is_regular_file_or_directory() const;
 
     bool is_absolute() const;
 

src/base/core/loggers/ConsoleLogger.cpp

@@ -1,17 +0,0 @@
-#include "ConsoleLogger.h"
-
-#include <stdio.h>
-#include <stdarg.h>
-
-void ConsoleLogger::logLine(const String& msg)
-{
-    printf("%s\n", msg.raw());
-}
-
-void ConsoleLogger::logLine(const char* fmt, ...)
-{
-    va_list(args);
-    va_start(args, fmt);
-    vprintf((String(fmt) + "\n").raw(), args);
-    va_end(args);
-}

src/base/core/loggers/ConsoleLogger.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#include "String.h"
-
-class ConsoleLogger
-{
-public:
-    static void logLine(const String& msg);
-
-    static void logLine(const char* fmt, ...);
-};

src/base/core/logging/ConsoleLogger.cpp

@@ -0,0 +1,24 @@
+#include "ConsoleLogger.h"
+
+#include <stdio.h>
+
+void ConsoleLogger::log_line(Level level, 
+        const String& msg, 
+        const String& fileName, 
+        const String& functionName, 
+        int lineNumber)
+{
+    const auto log_msg = build_log_message(level, 
+        msg, 
+        fileName, 
+        functionName, 
+        lineNumber);
+    if (level == Level::INFO)
+    {
+        printf("%s\n", log_msg.raw());
+    }
+    else
+    {
+        fprintf(stderr, "%s\n", log_msg.raw());
+    }
+}

src/base/core/logging/ConsoleLogger.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "Logger.h"
+
+class ConsoleLogger : public Logger
+{
+public:
+    void log_line(Level level, 
+        const String& line, 
+        const String& fileName, 
+        const String& functionName, 
+        int lineNumber) override;
+};

src/base/core/logging/FileLogger.h

@@ -1,12 +1,5 @@
 #pragma once
 
-#define MLOG_ALL(msg, level) {String mt_logstream;\
-    mt_logstream << msg; \
-    FileLogger::GetInstance().LogLine(level, mt_logstream, __FILE__, __FUNCTION__, __LINE__);};
-
-#define MLOG_INFO(msg) MLOG_ALL(msg, "Info");
-#define MLOG_ERROR(msg) MLOG_ALL(msg, "Error");
-
 #include "Pointer.h"
 #include "String.h"
 

src/base/core/logging/Logger.cpp

@@ -0,0 +1,48 @@
+#include "Logger.h"
+
+#include "Time.h"
+#include "ConsoleLogger.h"
+
+static Ptr<Logger> s_logger; 
+
+Logger* Logger::get_instance()
+{
+    if (s_logger.get() == nullptr)
+    {
+        s_logger = Ptr<ConsoleLogger>::create();
+    }
+    return s_logger.get();
+}
+
+String Logger::build_log_message(Level level, 
+    const String& msg, 
+    const String& fileName, 
+    const String& functionName, 
+    int lineNumber)
+{
+    String log_msg;
+    if (level == Level::INFO)
+    {
+        log_msg += "Info|";
+    }
+    else if (level == Level::ERROR)
+    {
+        log_msg += "Error|";
+    }
+    log_msg += Time::get_now_str() + "|";
+
+    String cleaned_filename;
+    if (auto index = fileName.rindex('/'); index.valid())
+    {
+        fileName.slice(index.value()+1, fileName.size(), cleaned_filename);
+    }
+    else
+    {
+        cleaned_filename = fileName;
+    }
+    log_msg += cleaned_filename + "::";
+    log_msg += functionName + "::";
+    log_msg += String::to_string(lineNumber) + "|";
+    log_msg += msg; 
+    return log_msg;
+}

src/base/core/logging/Logger.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "String.h"
+#include "Pointer.h"
+
+#define LOG_ALL(msg, level) {String mt_logstream;\
+    mt_logstream << msg; \
+    Logger::get_instance()->log_line(level, mt_logstream, __FILE__, __FUNCTION__, __LINE__);};
+#define LOG_INFO(msg) LOG_ALL(msg, Logger::Level::INFO);
+#define LOG_ERROR(msg) LOG_ALL(msg, Logger::Level::ERROR);
+
+class Logger
+{
+public:
+    enum class Level 
+    {
+        INFO,
+        ERROR
+    };
+
+    virtual ~Logger() = default;
+    virtual void log_line(Level level, 
+        const String& line, 
+        const String& fileName, 
+        const String& functionName, 
+        int lineNumber){};
+
+    static Logger* get_instance();
+
+protected:
+    static String build_log_message(Level level, 
+        const String& line, 
+        const String& fileName, 
+        const String& functionName, 
+        int lineNumber);
+};

src/base/core/memory/Allocator.h

@@ -12,7 +12,7 @@ public:
         return new T;
     }
 
-    void do_delete(T** p)
+    void do_delete(T* p)
     {
         delete p;
     }

src/base/core/memory/Pointer.h

@@ -27,17 +27,28 @@ public:
     {
         if (m_raw != nullptr)
         {
-            m_allocator.do_delete(&m_raw);
+            m_allocator.do_delete(m_raw);
         }
     }
 
     Ptr(const Ptr& other) = delete;
 
     Ptr(Ptr&& other)
-        : m_allocator(std::move(other.m_allocator)),
-            m_raw(other.m_raw)
     {
-        other.m_raw = nullptr;
+        *this = std::move(other);
+    }
+
+    Ptr<T>& operator=(const Ptr<T>& other) = delete;
+
+    template<typename U>
+    Ptr<T>& operator=(Ptr<U>&& other)
+    {
+        if (this->m_raw != other.get())
+        {
+            this->m_raw = dynamic_cast<T*>(other.get());
+            other.clear_raw();
+        }
+        return *this;
     }
 
     T* get()
@@ -55,6 +66,11 @@ public:
         return m_raw;
     }
 
+    void clear_raw()
+    {
+        m_raw = nullptr;
+    }
+
 private:
     Allocator<T> m_allocator;
     T* m_raw{nullptr};

src/base/core/system/process/CommandLineArgs.cpp

@@ -2,7 +2,9 @@
 
 #include "UnicodeUtils.h"
 
+#ifdef _WIN32
 #include "Win32BaseIncludes.h"
+#endif
 
 CommandLineArgs::CommandLineArgs()
     : mArugments(),
@@ -46,7 +48,7 @@ FileSystemPath CommandLineArgs::getLaunchPath()
 
 void CommandLineArgs::recordLaunchPath()
 {
-    mLaunchPath = FileSystemPath::current_dir();
+    mLaunchPath = FileSystemPath::current_dir().value();
 }
 
 void CommandLineArgs::process(int argc, char *argv[])

src/base/core/system/process/Process.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "String.h"
+
+#include "File.h"
+#include "Result.h"
+#include <unistd.h>
+
+class Process
+{
+public:
+    Status launch(const String& command)
+    {
+        const auto pid = fork();
+        if (pid < 0)
+        {
+            ON_ERRNO("Failed to fork");
+        }
+
+        if (pid == 0)
+        {
+            //pass
+        }
+        return {};
+    }
+
+    static Result<String> get_self_name()
+    {
+        FileSystemPath path(String("/proc/self/cmdline"));
+        File sys_file(path);
+
+        Result<String> ret;
+        const auto rc = sys_file.readText(ret.value());
+        if (!rc.ok())
+        {
+            ret.on_error(rc.error());
+        }
+        return ret;
+    }
+};

src/base/core/time/Time.cpp

@@ -0,0 +1,29 @@
+#include "Time.h"
+#include <time.h>
+
+String Time::get_now_str()
+{
+    time_t time_buf{0};
+    ::time(&time_buf);
+    if (time_buf == -1)
+    {
+        return {};
+    }
+
+    struct tm tm_buf;
+    auto rc = ::gmtime_r(&time_buf, &tm_buf);
+    if (rc == nullptr)
+    {
+        return {};
+    }
+
+    String ret("T");
+    ret += String::to_string(tm_buf.tm_mday) + ":";
+    ret += String::to_string(tm_buf.tm_mon) + ":";
+    const auto year = (tm_buf.tm_year - 100) + 2000;
+    ret += String::to_string(year) + "Z";
+    ret += String::to_string(tm_buf.tm_hour) + ":";
+    ret += String::to_string(tm_buf.tm_min) + ":";
+    ret += String::to_string(tm_buf.tm_sec);
+    return ret;
+}

src/base/core/time/Time.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "String.h"
+
+class Time
+{
+public:
+    static String get_now_str();
+};

src/main.cpp

@@ -1,43 +1,16 @@
-#include "Vector.h"
-#include "String.h"
-#include "FileSystemPath.h"
-#include "Directory.h"
-#include "File.h"
+#include "BuildSession.h"
+#include "ConsoleLogger.h"
 
-#include <stdio.h>
-
-int main()
+int main(int argc, char** argv)
 {
-    /*
-    FileSystemPath main_path(__FILE__);
-    printf("Starting build.\n");
-    
-    auto main_directory = main_path.parent_path();
-    for(const auto& subdir : Directory::getSubdirectories(main_directory))
+    if (argc == 1)
     {
-        for(const auto& subsubdir : Directory::getSubdirectories(subdir))
-        {
-            const auto build_file = subsubdir.join("build.toml");
-            if (build_file.exists())
-            {
-                printf("Found dir file: %s\n", build_file.as_string().raw());
-                // Gather all files
-                //const auto header_files = Directory::getFilesWithExtension(subsubdir, ".h", true);
-                //for(const auto& header : header_files)
-                //{
-                //    printf("Found header file: %s\n", header.as_string().raw());
-               // }
-
-                // Gather all directories
-
-                // Build library
-                
+        LOG_ERROR("Missing arg with path to source dir");
+        return -1;
     }
-        }
-    }
-    */
-
-    printf("Finished build.\n");
 
+    BuildSession build(argv[1]);
+    build.scan();
+    build.build();
     return 0;
 }

test/bootstrap_tests.sh

@@ -3,21 +3,26 @@ SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 CORE_SRC_DIR=$SCRIPT_DIR/../src/base/core
 
 g++ $SCRIPT_DIR/test_runner.cpp \
-    $SCRIPT_DIR/../src/base/core/CommandLineArgs.cpp \
+    $CORE_SRC_DIR/system/process/CommandLineArgs.cpp \
     $CORE_SRC_DIR/base_types/Error.cpp \
     $CORE_SRC_DIR/base_types/Index.cpp \
     $CORE_SRC_DIR/data_structures/String.cpp \
-    $CORE_SRC_DIR/file_utilities/FileSystemPath.cpp \
-    $CORE_SRC_DIR/loggers/ConsoleLogger.cpp \
+    $CORE_SRC_DIR/filesystem/FileSystemPath.cpp \
+    $CORE_SRC_DIR/logging/Logger.cpp \
+    $CORE_SRC_DIR/logging/ConsoleLogger.cpp \
+    $CORE_SRC_DIR/time/Time.cpp \
     $SCRIPT_DIR/test_utils/TestCaseRunner.cpp \
+    $SCRIPT_DIR/core/TestFileSystemPath.cpp \
     $SCRIPT_DIR/core/TestString.cpp \
     $SCRIPT_DIR/core/TestVector.cpp \
-    -o bootstrap_tests -g \
+    -o test_runner -g \
         -I$SCRIPT_DIR/test_utils \
         -I$CORE_SRC_DIR \
         -I$CORE_SRC_DIR/encoding \
-        -I$CORE_SRC_DIR/loggers \
+        -I$CORE_SRC_DIR/logging \
         -I$CORE_SRC_DIR/data_structures \
         -I$CORE_SRC_DIR/base_types \
         -I$CORE_SRC_DIR/memory \
-        -I$CORE_SRC_DIR/file_utilities
+        -I$CORE_SRC_DIR/time \
+        -I$CORE_SRC_DIR/system/process \
+        -I$CORE_SRC_DIR/filesystem

test/core/TestFileSystemPath.cpp

@@ -0,0 +1,18 @@
+#include "FileSystemPath.h"
+
+#include "TestFramework.h"
+//#include "TestUtils.h"
+#include <iostream>
+
+TEST_CASE(FileSystemPath_Join, "core")
+{
+    FileSystemPath path("/home/jgrogan/code/compilz/src/src");
+    auto new_path = path.join("test");
+    REQUIRE(new_path.str() == "/home/jgrogan/code/compilz/src/src/test");
+}
+
+TEST_CASE(FileSystemPath_Extension, "core")
+{
+    FileSystemPath path("test.dat");
+    REQUIRE(path.extension() == ".dat");
+}

test/core/TestString.cpp

@@ -4,7 +4,7 @@
 //#include "TestUtils.h"
 #include <iostream>
 
-TEST_CASE(TestBasicStringOps, "core")
+TEST_CASE(String_Append, "core")
 {
     String str;
     str += 'a';
@@ -12,9 +12,10 @@ TEST_CASE(TestBasicStringOps, "core")
     str += 'c';
     str += 'd';
     REQUIRE(str == "abcd");
+    String long_string("abc/def/ghi/jkl");
 }
 
-TEST_CASE(TestStringReverse, "core")
+TEST_CASE(String_Reverse, "core")
 {
     String str0;
     str0.reverse();
@@ -37,6 +38,35 @@ TEST_CASE(TestStringReverse, "core")
     REQUIRE(str4 == "dcba");
 }
 
+TEST_CASE(String_Extend, "core")
+{
+    String str("/home/jgrogan/code/compilz/src/src");
+    auto str_cpy = str;
+    str += "/";
+    str += "test";
+    REQUIRE(str == String("/home/jgrogan/code/compilz/src/src/test"));
+
+    str_cpy += "/";
+    str_cpy += "test";
+    REQUIRE(str == str_cpy);
+}
+
+TEST_CASE(String_Slice, "core")
+{
+    String str("test.dat");
+    const auto rindex = str.rindex('.');
+    REQUIRE(rindex.valid());
+    REQUIRE(rindex.value() == 4);
+
+    String right;
+    str.slice(rindex.value(), str.size(), right);
+    REQUIRE(right == ".dat");
+
+    const auto split = str.rsplit('.');
+    REQUIRE(split.first() == "test");
+    REQUIRE(split.second() == "dat");
+}
+
 /*
 TEST_CASE(TestStringUtils_StripSurroundingWhitepsace, "core")
 {

test/core/TestVector.cpp

@@ -4,15 +4,38 @@
 
 #include <stdio.h>
 
-TEST_CASE(TestVectorOps, "core")
+TEST_CASE(TestVectorExtend, "core")
 {
     Vector<size_t> vec;
-    for(size_t idx=0;idx<100;idx++)
+    for(size_t idx=0; idx<16; idx++)
     {
         vec.push_back(idx);
     }
-    for(size_t idx=0; idx<100; idx++)
+    REQUIRE(vec.size() == 16);
+
+    Vector<size_t> vec0;
+    for(size_t idx=16; idx<19; idx++)
     {
-        REQUIRE(vec[idx] == idx);
+        vec0.push_back(idx);
     }
+    vec.extend(vec0);
+    REQUIRE(vec.size() == 19);
+}
+
+TEST_CASE(TestVectorSlize, "core")
+{
+    Vector<size_t> vec;
+    for(size_t idx=0; idx<8; idx++)
+    {
+        vec.push_back(idx);
+    }
+
+    Vector<size_t> bottom_half;
+    vec.slice(4, bottom_half);
+    REQUIRE(bottom_half.size() == 4);
+
+    Vector<size_t> top_half;
+    vec.slice(4, 8, top_half);
+    REQUIRE(top_half.size() == 4);
+
 }

test/test_runner.cpp

@@ -1,7 +1,7 @@
 #include "TestFramework.h"
 
 #include "CommandLineArgs.h"
-#include "ConsoleLogger.h"
+#include "Logger.h"
 
 #ifdef _WIN32
 #include <windows.h>
@@ -17,9 +17,9 @@ int main(int argc, char *argv[])
     CommandLineArgs args;
     args.process(argc, argv);
 
-    ConsoleLogger::logLine("Starting test run.");
+    LOG_INFO("Starting test run.");
     TestCaseRunner::getInstance().run(args.getUserArgs());
-    ConsoleLogger::logLine("Finished test run.");
+    LOG_INFO("Finished test run.");
 
 #ifdef _WIN32
     CoUninitialize();

test/test_utils/TestCaseRunner.cpp

@@ -1,7 +1,7 @@
 #include "TestCaseRunner.h"
 
 #include "FileLogger.h"
-#include "ConsoleLogger.h"
+#include "Logger.h"
 //#include "TestUiApplication.h"
 
 bool TestCaseRunner::sLastTestFailed = false;
@@ -66,22 +66,22 @@ bool TestCaseRunner::run(const Vector<String>& args)
         }
 
         sLastTestFailed = false;
-        ConsoleLogger::logLine("TestFramework: Running Test - %s", test_case->getName().raw());
+        LOG_INFO("TestFramework: Running Test - " << test_case->getName());
         test_case->run();
         
         if (sLastTestFailed)
         {
-            ConsoleLogger::logLine("Failed at line %s", sFailureLine.raw());
+            LOG_INFO("Failed at line: " << sFailureLine);
             mFailingTests.push_back(test_case->getName());
         }
     }
 
     if (mFailingTests.size() > 0)
     {
-        ConsoleLogger::logLine("%d failing tests", mFailingTests.size());
+        LOG_INFO(String::fmt("%d failing tests", mFailingTests.size()));
         for(const auto& name : mFailingTests)
         {
-            ConsoleLogger::logLine(name);
+            LOG_INFO(name);
         }
     }
 

test/test_utils/TestFramework.h

@@ -21,6 +21,7 @@ struct Holder
     {                                                                                                                                  \
         const auto msg = String::to_string(__LINE__) + String(" with check: '") + String(#predicate) + String("'"); \
         TestCaseRunner::getInstance().markTestFailure(msg); \
+        return;                                                                                                                   \
     }                                                                                                                                  \