Allow injection as thread in running Java process.

[cycript.git] / libcycript.cy

diff --git a/libcycript.cy b/libcycript.cy
index f5f63ea99bab3894649f54b6a24c9b8659e852a6..8240a44def2fb362e88748f0557aed905e750d9c 100644 (file)
--- a/libcycript.cy
+++ b/libcycript.cy
@@ -1,5 +1,5 @@
-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2015  Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016  Jay Freeman (saurik)
 */
 
 /* GNU Affero General Public License, Version 3 {{{ */
@@ -19,10 +19,6 @@
 **/
 /* }}} */
 
-var process = {
-    env: {},
-};
-
 (function() {
 
 this.typeid = function(object) {
@@ -62,8 +58,12 @@ $cy_set(Error.prototype, {
                 stack = stack.slice(0, -1);
             for (let i = 0; i != stack.length; ++i)
                 stack[i] = '\n    ' + stack[i];
-            stack = stack.join('');
-            stack = ` /*${stack} */`;
+            if (stack.length == 0)
+                stack = '';
+            else {
+                stack = stack.join('');
+                stack = ` /*${stack} */`;
+            }
         }
         return `new ${this.constructor.name}(${this.message.toCYON()})${stack}`;
     },
@@ -83,7 +83,41 @@ $cy_set(RegExp.prototype, {
     },
 });
 
+// XXX: Java should just always be available
 if ("Java" in Cycript) {
+
+// XXX: this is a half-assed EventEmitter
+// XXX: this doesn't even have the same semantics
+
+Java.handlers_ = {};
+
+Java.on = function(event, handler) {
+    var handlers;
+    if (event in this.handlers_)
+        handlers = this.handlers_[event];
+    else {
+        handlers = [];
+        this.handlers_[event] = handlers;
+    }
+
+    if (this.handlers_ == null)
+        handler();
+    else
+        handlers.push(handler);
+};
+
+Java.emit = function(event) {
+    if (event in this.handlers_) {
+        var handlers = this.handlers_[event];
+        if (handlers != null)
+            for (var handler of handlers)
+                handler();
+    }
+
+    this.handlers_[event] = null;
+};
+
+Java.on('setup', function() {
     $cy_set(java.lang.Boolean.prototype, {
         toCYON: function() {
             return `new java.lang.Boolean(${this->value})`;
@@ -133,6 +167,10 @@ if ("Java" in Cycript) {
     });
 
     $cy_set(java.lang.Object.prototype, {
+        toCYON: function(key) {
+            return "#" + this.toString().toCYON();
+        },
+
         // XXX: due to lack of interface prototypes :(
         $cyg: function(key) {
             return this.get(key);
@@ -146,6 +184,28 @@ if ("Java" in Cycript) {
                 this.put(key, value);
         },
     });
+
+    $cy_set(java.lang.Throwable.prototype, {
+        toCYON: function() {
+            var message = this.getMessage();
+            if (message == null)
+                message = '';
+            else
+                message = message.toCYON();
+
+            let stack = this.getStackTrace();
+            if (stack.length == 0)
+                stack = '';
+            else {
+                stack = stack.join('\n    ');
+                stack = ` /*\n    ${stack} */`;
+            }
+
+            return `new ${this.constructor.class.getName()}(${message})${stack}`;
+        },
+    });
+});
+
 }
 
 if ("ObjectiveC" in Cycript) {
@@ -384,6 +444,8 @@ process.binding = function(name) {
     return binding;
 };
 
+process.env = {};
+
 let environ = *(typedef char ***)(dlsym(RTLD_DEFAULT, "environ"));
 for (let i = 0; environ[i] != null; ++i) {
     let assign = environ[i];
@@ -393,6 +455,11 @@ for (let i = 0; environ[i] != null; ++i) {
     process.env[name.toString()] = value;
 }
 
+process.cwd = function() {
+    let cwd = new (typedef char[1024]);
+    return getcwd(cwd, cwd.length).toString();
+};
+
 process.pid = getpid();
 
 })();