[STDLIB] Added standart library

stdlib/CMakeLists.txt

+set(STDLIB_TARGET stddusk)
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR})
+add_subdirectory(runtime)
+
+set(RUNTIME_HEADERS
+    ${RUNTIME_HEADERS}
+    PARENT_SCOPE
+)
+
+set(RUNTIME_SOURCE
+    ${RUNTIME_SOURCE}
+    PARENT_SCOPE
+)
+
+add_library(${STDLIB_TARGET} SHARED ${RUNTIME_SOURCE} ${RUNTIME_HEADERS})
+set_target_properties(${STDLIB_TARGET} PROPERTIES
+    VERSION 1.0.0
+    SOVERSION 1
+    ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../bin
+    LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../bin
+    RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../bin
+)
+
+target_include_directories(${STDLIB_TARGET} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

stdlib/runtime/CMakeLists.txt

+set(RUNTIME_HEADERS
+    ${CMAKE_CURRENT_SOURCE_DIR}/io.h
+    ${RUNTIME_HEADERS}
+    PARENT_SCOPE
+)
+
+set(RUNTIME_SOURCE
+    ${CMAKE_CURRENT_SOURCE_DIR}/io.cpp
+    ${RUNTIME_SOURCE}
+    PARENT_SCOPE
+)

stdlib/runtime/io.cpp

+//===--- io.cpp -----------------------------------------------------------===//
+//
+//                                 dusk-lang
+// This source file is part of a dusk-lang project, which is a semestral
+// assignement for BI-PJP course at Czech Technical University in Prague.
+// The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND.
+//
+//===----------------------------------------------------------------------===//
+
+#include "io.h"
+
+void println(int64_t Value) {
+  fprintf(stdout, "%lld\n", Value);
+  return;
+}
+
+int64_t readln() {
+  int64_t Value;
+  fscanf(stdin, "%lld", &Value);
+  return Value;
+}

stdlib/runtime/io.h

+//===--- io.h - Dusk runtime io operations ----------------------*- C++ -*-===//
+//
+//                                 dusk-lang
+// This source file is part of a dusk-lang project, which is a semestral
+// assignement for BI-PJP course at Czech Technical University in Prague.
+// The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef DUSK_STDLIB_RUNTIME_IO
+#define DUSK_STDLIB_RUNTIME_IO
+
+#include <iostream>
+
+#ifdef _WIN32
+#define DLLEXPORT __declspec(dllexport)
+#else
+#define DLLEXPORT
+#endif
+
+/// Prints a single integer into standart output.
+extern "C" DLLEXPORT void println(int64_t);
+
+/// Reads a single integer from the standart input and returns it.
+extern "C" DLLEXPORT int64_t readln();
+
+#endif /* DUSK_STDLIB_RUNTIME_IO */