<!doctype html> <title>CodeMirror: C-like mode</title> <meta charset="utf-8"/> <link rel=stylesheet href="../../doc/docs.css"> <link rel="stylesheet" href="../../lib/codemirror.css"> <script src="../../lib/codemirror.js"></script> <script src="../../addon/edit/matchbrackets.js"></script> <link rel="stylesheet" href="../../addon/hint/show-hint.css"> <script src="../../addon/hint/show-hint.js"></script> <script src="clike.js"></script> <style>.CodeMirror {border: 2px inset #dee;}</style> <div id=nav> <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a> <ul> <li><a href="../../index.html">Home</a> <li><a href="../../doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror">Code</a> </ul> <ul> <li><a href="../index.html">Language modes</a> <li><a class=active href="#">C-like</a> </ul> </div> <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).</p> </article>