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<title>CodeMirror: C-like mode</title>
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<a class=active href="#">C-like</a>
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<article>
<h2>C-like mode</h2>
<div>
<textarea id="c-code"> /* C demo code */ #include
<zmq.h> #include
<pthread.h> #include
<semaphore.h> #include
<time.h> #include
<stdio.h> #include
<fcntl.h> #include
<malloc.h> typedef struct { void* arg_socket; zmq_msg_t* arg_msg; char* arg_string; unsigned long arg_len; int arg_int, arg_command; int signal_fd; int pad; void* context; sem_t sem; } acl_zmq_context; #define p(X) (context->arg_##X)
void* zmq_thread(void* context_pointer) { acl_zmq_context* context = (acl_zmq_context*)context_pointer; char ok = 'K', err = 'X'; int res; while (1) { while ((res = sem_wait(&context->sem)) == EINTR); if (res)
{write(context->signal_fd, &err, 1); goto cleanup;} switch(p(command)) { case 0: goto cleanup; case 1: p(socket) = zmq_socket(context->context, p(int)); break; case 2: p(int) = zmq_close(p(socket)); break; case
3: p(int) = zmq_bind(p(socket), p(string)); break; case 4: p(int) = zmq_connect(p(socket), p(string)); break; case 5: p(int) = zmq_getsockopt(p(socket), p(int), (void*)p(string), &p(len)); break; case 6: p(int)
= zmq_setsockopt(p(socket), p(int), (void*)p(string), p(len)); break; case 7: p(int) = zmq_send(p(socket), p(msg), p(int)); break; case 8: p(int) = zmq_recv(p(socket), p(msg), p(int)); break; case 9: p(int) = zmq_poll(p(socket),
p(int), p(len)); break; } p(command) = errno; write(context->signal_fd, &ok, 1); } cleanup: close(context->signal_fd); free(context_pointer); return 0; } void* zmq_thread_init(void* zmq_context, int signal_fd)
{ acl_zmq_context* context = malloc(sizeof(acl_zmq_context)); pthread_t thread; context->context = zmq_context; context->signal_fd = signal_fd; sem_init(&context->sem, 1, 0); pthread_create(&thread, 0, &zmq_thread,
context); pthread_detach(thread); return context; } </textarea>
</div>
<h2>C++ example</h2>
<div>
<textarea id="cpp-code"> #include
<iostream> #include "mystuff/util.h" namespace { enum Enum { VAL1, VAL2, VAL3 }; char32_t unicode_string = U"\U0010FFFF"; string raw_string = R"delim(anything you want)delim"; int Helper(const MyType& param) { return 0; } } // namespace class ForwardDec;
template
<class T, class V> class Class : public BaseClass { const MyType
<T, V> member_; public: const MyType
<T, V>& Method() const { return member_; } void Method2(MyType
<T, V>* value); } template
<class T, class V> void Class::Method2(MyType
<T, V>* value) { std::out
<< 1>> method(); value->Method3(member_); member_ = value; } </textarea>
</div>
<h2>Objective-C example</h2>
<div>
<textarea id="objectivec-code"> /* This is a longer comment That spans two lines */ #import
<Test/Test.h> @implementation YourAppDelegate // This is a one-line comment - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ char myString[] = "This is a C character array"; int test = 5; return
YES; } </textarea>
</div>
<h2>Java example</h2>
<div>
<textarea id="java-code"> import com.demo.util.MyType; import com.demo.util.MyInterface; public enum Enum { VAL1, VAL2, VAL3 } public class Class
<T, V> implements MyInterface { public static final MyType
<T, V> member; private class InnerClass { public int zero() { return 0; } } @Override public MyType method() { return member; } public void method2(MyType
<T, V> value) { method(); value.method3(); member = value; } } </textarea>
</div>
<h2>Scala example</h2>
<div>
<textarea id="scala-code"> object FilterTest extends App { def filter(xs: List[Int], threshold: Int) = { def process(ys: List[Int]): List[Int] = if (ys.isEmpty) ys else if (ys.head
< threshold) ys.head :: process(ys.tail) else process(ys.tail) process(xs) } println(filter(List(1,
9, 2, 8, 3, 7, 4), 5)) } </textarea>
</div>
<script>
var cEditor = CodeMirror.fromTextArea(document.getElementById("c-code"),
{
lineNumbers: true,
matchBrackets: true,
mode: "text/x-csrc"
});
var cppEditor = CodeMirror.fromTextArea(document.getElementById("cpp-code"),
{
lineNumbers: true,
matchBrackets: true,
mode: "text/x-c++src"
});
var javaEditor = CodeMirror.fromTextArea(document.getElementById("java-code"),
{
lineNumbers: true,
matchBrackets: true,
mode: "text/x-java"
});
var objectivecEditor = CodeMirror.fromTextArea(document.getElementById("objectivec-code"),
{
lineNumbers: true,
matchBrackets: true,
mode: "text/x-objectivec"
});
var scalaEditor = CodeMirror.fromTextArea(document.getElementById("scala-code"),
{
lineNumbers: true,
matchBrackets: true,
mode: "text/x-scala"
});
var mac = CodeMirror.keyMap.default == CodeMirror.keyMap.macDefault;
CodeMirror.keyMap.default[(mac ? "Cmd" : "Ctrl") + "-Space"] = "autocomplete";
</script>
<p>Simple mode that tries to handle C-like languages as well as it can. Takes two configuration parameters: <code>keywords</code>, an object whose property names are the keywords in the language, and <code>useCPP</code>, which determines whether C preprocessor
directives are recognized.</p>
<p>
<strong>MIME types defined:</strong> <code>text/x-csrc</code> (C), <code>text/x-c++src</code> (C++), <code>text/x-java</code> (Java), <code>text/x-csharp</code> (C#), <code>text/x-objectivec</code> (Objective-C), <code>text/x-scala</code> (Scala), <code>text/x-vertex</code> and <code>x-shader/x-fragment</code> (shader programs), <code>text/x-squirrel</code> (Squirrel).</p>
</article>