Mercurial > spidermonkey-playground

annotate tcb.js @ 12:e14f433f3a58

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Function objects are now attached to stack frames returned by stack().
author Atul Varma <varmaa@toolness.com>
date Fri, 19 Jun 2009 15:16:11 -0700
parents bde6607a3620
children d200a8158bd5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
1 // This security function is called by the platform whenever a
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
2 // particular property needs to be accessed on a particular object.
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
3 function checkAccess(obj, id) {
11
bde6607a3620 changed TCB/sample module code a bit.
Atul Varma <varmaa@toolness.com>
parents: 10
diff changeset
4 var frame = stack().caller;
bde6607a3620 changed TCB/sample module code a bit.
Atul Varma <varmaa@toolness.com>
parents: 10
diff changeset
5 if (!(frame.filename == null ||
bde6607a3620 changed TCB/sample module code a bit.
Atul Varma <varmaa@toolness.com>
parents: 10
diff changeset
6 frame.filename == "tcb.js"))
bde6607a3620 changed TCB/sample module code a bit.
Atul Varma <varmaa@toolness.com>
parents: 10
diff changeset
7 print("access request from " + frame.filename + " on property '" + id +
bde6607a3620 changed TCB/sample module code a bit.
Atul Varma <varmaa@toolness.com>
parents: 10
diff changeset
8 "' of " + obj);
12
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
9 if (id == 'caller') {
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
10 if (frame.caller)
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
11 return frame.caller.functionObject;
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
12 else
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
13 return null;
e14f433f3a58 Function objects are now attached to stack frames returned by stack().
Atul Varma <varmaa@toolness.com>
parents: 11
diff changeset
14 }
10
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
15 return lookupProperty(obj, id);
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
16 }
16a605ff036c The TCB can now define a global checkAccess() handler. It also has access to a lookupProperty() function that can retrieve an attribute of an object without initiating security checks or property getters.
Atul Varma <varmaa@toolness.com>
parents: 8
diff changeset
17
8
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
18 // This function is called by the platform whenever an uncaught exception
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
19 // occurs.
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
20 function handleError() {
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
21 printTraceback(lastExceptionTraceback);
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
22 print(lastException);
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
23 }
e14f496e6e08 added a handleError() function to the TCB, which is called whenever an unhandled exception occurs. Also fixed a bug in the setting of lastException.
Atul Varma <varmaa@toolness.com>
parents: 7
diff changeset
24
5
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
25 function printTraceback(frame) {
4
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
26 print("Traceback (most recent call last):");
5
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
27 if (frame === undefined)
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
28 frame = stack();
4
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
29 var lines = [];
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
30 while (frame) {
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
31 var line = (' File "' + frame.filename + '", line ' +
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
32 frame.lineNo + ', in ' + frame.functionName);
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
33 lines.splice(0, 0, line);
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
34 frame = frame.caller;
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
35 }
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
36 print(lines.join('\n'));
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
37 }
71de19be1054 Added a native stack() function.
Atul Varma <varmaa@toolness.com>
parents: 2
diff changeset
38
5
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
39 function throwError() {
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
40 function innerThrowError() {
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
41 throw new Error("hi");
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
42 }
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
43 innerThrowError();
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
44 }
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
45
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
46 try {
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
47 throwError();
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
48 } catch (e) {
1f38f4f61768 added global lastException and lastExceptionTraceback properties to the TCB global, which are similar to python's exc_info().
Atul Varma <varmaa@toolness.com>
parents: 4
diff changeset
49 }
2
1f3e9c8df4f0 Script is now read from tcb.js.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
50
7
1b374020485b Added more code to sample securableModule
Atul Varma <varmaa@toolness.com>
parents: 6
diff changeset
51 var module = require("sample-module.js", {blop: "hello"});
6
500e267ed094 Added a really simple securableModule require() implementation.
Atul Varma <varmaa@toolness.com>
parents: 5
diff changeset
52
500e267ed094 Added a really simple securableModule require() implementation.
Atul Varma <varmaa@toolness.com>
parents: 5
diff changeset
53 print("module.foo() is " + module.foo());
500e267ed094 Added a really simple securableModule require() implementation.
Atul Varma <varmaa@toolness.com>
parents: 5
diff changeset
54
2
1f3e9c8df4f0 Script is now read from tcb.js.
Atul Varma <varmaa@toolness.com>
parents:
diff changeset
55 var wrapped = wrap({}, {});