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1.1 root 1: /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2: *
3: * ***** BEGIN LICENSE BLOCK *****
4: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5: *
6: * The contents of this file are subject to the Mozilla Public License Version
7: * 1.1 (the "License"); you may not use this file except in compliance with
8: * the License. You may obtain a copy of the License at
9: * http://www.mozilla.org/MPL/
10: *
11: * Software distributed under the License is distributed on an "AS IS" basis,
12: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13: * for the specific language governing rights and limitations under the
14: * License.
15: *
16: * The Original Code is Mozilla Communicator client code, released
17: * March 31, 1998.
18: *
19: * The Initial Developer of the Original Code is
20: * Netscape Communications Corporation.
21: * Portions created by the Initial Developer are Copyright (C) 1998
22: * the Initial Developer. All Rights Reserved.
23: *
24: * Contributor(s):
25: *
26: * Alternatively, the contents of this file may be used under the terms of
27: * either of the GNU General Public License Version 2 or later (the "GPL"),
28: * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29: * in which case the provisions of the GPL or the LGPL are applicable instead
30: * of those above. If you wish to allow use of your version of this file only
31: * under the terms of either the GPL or the LGPL, and not to allow others to
32: * use your version of this file under the terms of the MPL, indicate your
33: * decision by deleting the provisions above and replace them with the notice
34: * and other provisions required by the GPL or the LGPL. If you do not delete
35: * the provisions above, a recipient may use your version of this file under
36: * the terms of any one of the MPL, the GPL or the LGPL.
37: *
38: * ***** END LICENSE BLOCK ***** */
39:
40: #ifndef jsdbgapi_h___
41: #define jsdbgapi_h___
42: /*
43: * JS debugger API.
44: */
45: #include "jsapi.h"
46: #include "jsopcode.h"
47: #include "jsprvtd.h"
48:
49: JS_BEGIN_EXTERN_C
50:
51: extern void
52: js_PatchOpcode(JSContext *cx, JSScript *script, jsbytecode *pc, JSOp op);
53:
54: extern JS_PUBLIC_API(JSBool)
55: JS_SetTrap(JSContext *cx, JSScript *script, jsbytecode *pc,
56: JSTrapHandler handler, void *closure);
57:
58: extern JS_PUBLIC_API(JSOp)
59: JS_GetTrapOpcode(JSContext *cx, JSScript *script, jsbytecode *pc);
60:
61: extern JS_PUBLIC_API(void)
62: JS_ClearTrap(JSContext *cx, JSScript *script, jsbytecode *pc,
63: JSTrapHandler *handlerp, void **closurep);
64:
65: extern JS_PUBLIC_API(void)
66: JS_ClearScriptTraps(JSContext *cx, JSScript *script);
67:
68: extern JS_PUBLIC_API(void)
69: JS_ClearAllTraps(JSContext *cx);
70:
71: extern JS_PUBLIC_API(JSTrapStatus)
72: JS_HandleTrap(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval);
73:
74: extern JS_PUBLIC_API(JSBool)
75: JS_SetInterrupt(JSRuntime *rt, JSTrapHandler handler, void *closure);
76:
77: extern JS_PUBLIC_API(JSBool)
78: JS_ClearInterrupt(JSRuntime *rt, JSTrapHandler *handlerp, void **closurep);
79:
80: /************************************************************************/
81:
82: extern JS_PUBLIC_API(JSBool)
83: JS_SetWatchPoint(JSContext *cx, JSObject *obj, jsval id,
84: JSWatchPointHandler handler, void *closure);
85:
86: extern JS_PUBLIC_API(JSBool)
87: JS_ClearWatchPoint(JSContext *cx, JSObject *obj, jsval id,
88: JSWatchPointHandler *handlerp, void **closurep);
89:
90: extern JS_PUBLIC_API(JSBool)
91: JS_ClearWatchPointsForObject(JSContext *cx, JSObject *obj);
92:
93: extern JS_PUBLIC_API(JSBool)
94: JS_ClearAllWatchPoints(JSContext *cx);
95:
96: #ifdef JS_HAS_OBJ_WATCHPOINT
97: /*
98: * Hide these non-API function prototypes by testing whether the internal
99: * header file "jsconfig.h" has been included.
100: */
101: extern void
102: js_MarkWatchPoints(JSRuntime *rt);
103:
104: extern JSScopeProperty *
105: js_FindWatchPoint(JSRuntime *rt, JSScope *scope, jsid id);
106:
107: extern JSPropertyOp
108: js_GetWatchedSetter(JSRuntime *rt, JSScope *scope,
109: const JSScopeProperty *sprop);
110:
111: extern JSBool JS_DLL_CALLBACK
112: js_watch_set(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
113:
114: extern JSBool JS_DLL_CALLBACK
115: js_watch_set_wrapper(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
116: jsval *rval);
117:
118: extern JSPropertyOp
119: js_WrapWatchedSetter(JSContext *cx, jsid id, uintN attrs, JSPropertyOp setter);
120:
121: #endif /* JS_HAS_OBJ_WATCHPOINT */
122:
123: /************************************************************************/
124:
125: extern JS_PUBLIC_API(uintN)
126: JS_PCToLineNumber(JSContext *cx, JSScript *script, jsbytecode *pc);
127:
128: extern JS_PUBLIC_API(jsbytecode *)
129: JS_LineNumberToPC(JSContext *cx, JSScript *script, uintN lineno);
130:
131: extern JS_PUBLIC_API(JSScript *)
132: JS_GetFunctionScript(JSContext *cx, JSFunction *fun);
133:
134: extern JS_PUBLIC_API(JSPrincipals *)
135: JS_GetScriptPrincipals(JSContext *cx, JSScript *script);
136:
137: /*
138: * Stack Frame Iterator
139: *
140: * Used to iterate through the JS stack frames to extract
141: * information from the frames.
142: */
143:
144: extern JS_PUBLIC_API(JSStackFrame *)
145: JS_FrameIterator(JSContext *cx, JSStackFrame **iteratorp);
146:
147: extern JS_PUBLIC_API(JSScript *)
148: JS_GetFrameScript(JSContext *cx, JSStackFrame *fp);
149:
150: extern JS_PUBLIC_API(jsbytecode *)
151: JS_GetFramePC(JSContext *cx, JSStackFrame *fp);
152:
153: /*
154: * Get the closest scripted frame below fp. If fp is null, start from cx->fp.
155: */
156: extern JS_PUBLIC_API(JSStackFrame *)
157: JS_GetScriptedCaller(JSContext *cx, JSStackFrame *fp);
158:
159: /*
160: * Return a weak reference to fp's principals. A null return does not denote
161: * an error, it means there are no principals.
162: */
163: extern JS_PUBLIC_API(JSPrincipals *)
164: JS_StackFramePrincipals(JSContext *cx, JSStackFrame *fp);
165:
166: /*
167: * Like JS_StackFramePrincipals(cx, caller), but if cx->findObjectPrincipals
168: * is non-null, return the object principals for fp's callee function object
169: * (fp->argv[-2]), which is eval, Function, or a similar eval-like method.
170: * The caller parameter should be the result of JS_GetScriptedCaller(cx, fp).
171: *
172: * All eval-like methods must use JS_EvalFramePrincipals to acquire a weak
173: * reference to the correct principals for the eval call to be secure, given
174: * an embedding that calls JS_SetObjectPrincipalsFinder (see jsapi.h).
175: */
176: extern JS_PUBLIC_API(JSPrincipals *)
177: JS_EvalFramePrincipals(JSContext *cx, JSStackFrame *fp, JSStackFrame *caller);
178:
179: extern JS_PUBLIC_API(void *)
180: JS_GetFrameAnnotation(JSContext *cx, JSStackFrame *fp);
181:
182: extern JS_PUBLIC_API(void)
183: JS_SetFrameAnnotation(JSContext *cx, JSStackFrame *fp, void *annotation);
184:
185: extern JS_PUBLIC_API(void *)
186: JS_GetFramePrincipalArray(JSContext *cx, JSStackFrame *fp);
187:
188: extern JS_PUBLIC_API(JSBool)
189: JS_IsNativeFrame(JSContext *cx, JSStackFrame *fp);
190:
191: /* this is deprecated, use JS_GetFrameScopeChain instead */
192: extern JS_PUBLIC_API(JSObject *)
193: JS_GetFrameObject(JSContext *cx, JSStackFrame *fp);
194:
195: extern JS_PUBLIC_API(JSObject *)
196: JS_GetFrameScopeChain(JSContext *cx, JSStackFrame *fp);
197:
198: extern JS_PUBLIC_API(JSObject *)
199: JS_GetFrameCallObject(JSContext *cx, JSStackFrame *fp);
200:
201: extern JS_PUBLIC_API(JSObject *)
202: JS_GetFrameThis(JSContext *cx, JSStackFrame *fp);
203:
204: extern JS_PUBLIC_API(JSFunction *)
205: JS_GetFrameFunction(JSContext *cx, JSStackFrame *fp);
206:
207: extern JS_PUBLIC_API(JSObject *)
208: JS_GetFrameFunctionObject(JSContext *cx, JSStackFrame *fp);
209:
210: /* XXXrginda Initially published with typo */
211: #define JS_IsContructorFrame JS_IsConstructorFrame
212: extern JS_PUBLIC_API(JSBool)
213: JS_IsConstructorFrame(JSContext *cx, JSStackFrame *fp);
214:
215: extern JS_PUBLIC_API(JSBool)
216: JS_IsDebuggerFrame(JSContext *cx, JSStackFrame *fp);
217:
218: extern JS_PUBLIC_API(jsval)
219: JS_GetFrameReturnValue(JSContext *cx, JSStackFrame *fp);
220:
221: extern JS_PUBLIC_API(void)
222: JS_SetFrameReturnValue(JSContext *cx, JSStackFrame *fp, jsval rval);
223:
224: /************************************************************************/
225:
226: extern JS_PUBLIC_API(const char *)
227: JS_GetScriptFilename(JSContext *cx, JSScript *script);
228:
229: extern JS_PUBLIC_API(uintN)
230: JS_GetScriptBaseLineNumber(JSContext *cx, JSScript *script);
231:
232: extern JS_PUBLIC_API(uintN)
233: JS_GetScriptLineExtent(JSContext *cx, JSScript *script);
234:
235: extern JS_PUBLIC_API(JSVersion)
236: JS_GetScriptVersion(JSContext *cx, JSScript *script);
237:
238: /************************************************************************/
239:
240: /*
241: * Hook setters for script creation and destruction, see jsprvtd.h for the
242: * typedefs. These macros provide binary compatibility and newer, shorter
243: * synonyms.
244: */
245: #define JS_SetNewScriptHook JS_SetNewScriptHookProc
246: #define JS_SetDestroyScriptHook JS_SetDestroyScriptHookProc
247:
248: extern JS_PUBLIC_API(void)
249: JS_SetNewScriptHook(JSRuntime *rt, JSNewScriptHook hook, void *callerdata);
250:
251: extern JS_PUBLIC_API(void)
252: JS_SetDestroyScriptHook(JSRuntime *rt, JSDestroyScriptHook hook,
253: void *callerdata);
254:
255: /************************************************************************/
256:
257: extern JS_PUBLIC_API(JSBool)
258: JS_EvaluateUCInStackFrame(JSContext *cx, JSStackFrame *fp,
259: const jschar *bytes, uintN length,
260: const char *filename, uintN lineno,
261: jsval *rval);
262:
263: extern JS_PUBLIC_API(JSBool)
264: JS_EvaluateInStackFrame(JSContext *cx, JSStackFrame *fp,
265: const char *bytes, uintN length,
266: const char *filename, uintN lineno,
267: jsval *rval);
268:
269: /************************************************************************/
270:
271: typedef struct JSPropertyDesc {
272: jsval id; /* primary id, a string or int */
273: jsval value; /* property value */
274: uint8 flags; /* flags, see below */
275: uint8 spare; /* unused */
276: uint16 slot; /* argument/variable slot */
277: jsval alias; /* alias id if JSPD_ALIAS flag */
278: } JSPropertyDesc;
279:
280: #define JSPD_ENUMERATE 0x01 /* visible to for/in loop */
281: #define JSPD_READONLY 0x02 /* assignment is error */
282: #define JSPD_PERMANENT 0x04 /* property cannot be deleted */
283: #define JSPD_ALIAS 0x08 /* property has an alias id */
284: #define JSPD_ARGUMENT 0x10 /* argument to function */
285: #define JSPD_VARIABLE 0x20 /* local variable in function */
286: #define JSPD_EXCEPTION 0x40 /* exception occurred fetching the property, */
287: /* value is exception */
288: #define JSPD_ERROR 0x80 /* native getter returned JS_FALSE without */
289: /* throwing an exception */
290:
291: typedef struct JSPropertyDescArray {
292: uint32 length; /* number of elements in array */
293: JSPropertyDesc *array; /* alloc'd by Get, freed by Put */
294: } JSPropertyDescArray;
295:
296: extern JS_PUBLIC_API(JSScopeProperty *)
297: JS_PropertyIterator(JSObject *obj, JSScopeProperty **iteratorp);
298:
299: extern JS_PUBLIC_API(JSBool)
300: JS_GetPropertyDesc(JSContext *cx, JSObject *obj, JSScopeProperty *sprop,
301: JSPropertyDesc *pd);
302:
303: extern JS_PUBLIC_API(JSBool)
304: JS_GetPropertyDescArray(JSContext *cx, JSObject *obj, JSPropertyDescArray *pda);
305:
306: extern JS_PUBLIC_API(void)
307: JS_PutPropertyDescArray(JSContext *cx, JSPropertyDescArray *pda);
308:
309: /************************************************************************/
310:
311: extern JS_PUBLIC_API(JSBool)
312: JS_SetDebuggerHandler(JSRuntime *rt, JSTrapHandler handler, void *closure);
313:
314: extern JS_PUBLIC_API(JSBool)
315: JS_SetSourceHandler(JSRuntime *rt, JSSourceHandler handler, void *closure);
316:
317: extern JS_PUBLIC_API(JSBool)
318: JS_SetExecuteHook(JSRuntime *rt, JSInterpreterHook hook, void *closure);
319:
320: extern JS_PUBLIC_API(JSBool)
321: JS_SetCallHook(JSRuntime *rt, JSInterpreterHook hook, void *closure);
322:
323: extern JS_PUBLIC_API(JSBool)
324: JS_SetObjectHook(JSRuntime *rt, JSObjectHook hook, void *closure);
325:
326: extern JS_PUBLIC_API(JSBool)
327: JS_SetThrowHook(JSRuntime *rt, JSTrapHandler hook, void *closure);
328:
329: extern JS_PUBLIC_API(JSBool)
330: JS_SetDebugErrorHook(JSRuntime *rt, JSDebugErrorHook hook, void *closure);
331:
332: /************************************************************************/
333:
334: extern JS_PUBLIC_API(size_t)
335: JS_GetObjectTotalSize(JSContext *cx, JSObject *obj);
336:
337: extern JS_PUBLIC_API(size_t)
338: JS_GetFunctionTotalSize(JSContext *cx, JSFunction *fun);
339:
340: extern JS_PUBLIC_API(size_t)
341: JS_GetScriptTotalSize(JSContext *cx, JSScript *script);
342:
343: JS_END_EXTERN_C
344:
345: #endif /* jsdbgapi_h___ */
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