Aufgabe 1 Beendet

.idea/ninja.iml

@@ -1,8 +1,2 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<module type="CPP_MODULE" version="4">
-  <component name="NewModuleRootManager">
-    <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
+<module classpath="CMake" type="CPP_MODULE" version="4" />

CMakeLists.txt

@@ -1,7 +1,12 @@
-# cmake_minimum_required(VERSION <specify CMake version here>)
-project(ninja C)
-
-set(CMAKE_C_STANDARD 11)
+cmake_minimum_required(VERSION 3.0)
+project(ninja LANGUAGES C)
 
+set(CMAKE_C_STANDARD 99)
+set(PROJECT_VERSION 0)
+configure_file(
+        ${CMAKE_SOURCE_DIR}/config.h.in
+        ${CMAKE_BINARY_DIR}/config.h
+)
+include_directories(${CMAKE_BINARY_DIR})
 add_executable(ninja
-        njvm.c)
+        njvm.c config.h.in)

config.h.in

@@ -0,0 +1 @@
+#define PROJECT_VERSION @PROJECT_VERSION@

njvm.c

@@ -1 +1,43 @@
+#include <stdio.h>
+#include <string.h>
+#include "config.h"
 
+void version() {
+    printf("Ninja Virtual Machine version %i (compiled %s, %s)\n", PROJECT_VERSION, __DATE__, __TIME__);
+}
+
+void help() {
+    printf("usage: ./njvm [option] [option] ...\n\t--version\tshow version and exit\n\t--help\t\tshow this help and exit");
+}
+void printArgs(int argc, char *argv[]){
+    for (int i = 0; i < argc; ++i) {
+        printf("%s\n", argv[i]);
+    }
+}
+void useption(int argc, char *argv[]){
+    if (argc > 1) {
+        if (strcmp(argv[1], "--version") == 0) {
+            version();
+        } else if (strcmp(argv[1], "--help") == 0) {
+            help();
+        } else if (argc != 0) {
+            printf("unknown command line argument '%s', try './njvm --help'", argv[1]);
+        }
+    }
+}
+
+int main(int argc, char *argv[]) {
+    printArgs(argc,argv);
+    if (argc > 1)   useption(argc,argv);
+    else {
+
+//    Started
+        printf("Ninja Virtual Machine started\n");
+
+
+
+//    Stopped
+        printf("Ninja Virtual Machine stopped\n");
+        return 0;
+    }
+}