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Use a throwing default setter in v8 emitter.

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/branches/oliverb-javascript-v8@13815 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Oliver Buchtala 2012-09-08 01:13:03 +00:00
commit 91fc0ff205
2 changed files with 22 additions and 2 deletions
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16
Lib/javascript/v8/javascripthelpers.swg
View file

@ -43,4 +43,20 @@ void SWIGV8_AddStaticVariable(v8::Handle<v8::Object> obj, const char* symbol, v8
obj->SetAccessor(v8::String::NewSymbol(symbol), getter, setter); obj->SetAccessor(v8::String::NewSymbol(symbol), getter, setter);
} }
void JS_veto_set_variable(v8::Local<v8::String> property, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
{
char buffer[256];
char msg[512];
int res;
property->WriteUtf8(buffer, 256);
res = sprintf(msg, "Tried to write read-only variable: %s.", buffer);
if(res<0) {
SWIG_exception(SWIG_ERROR, "Tried to write read-only variable.");
} else {
SWIG_exception(SWIG_ERROR, msg);
}
}
%} // v8_helper_functions %} // v8_helper_functions

8
Source/Modules/javascript.cxx
View file

@ -1591,12 +1591,15 @@ private:
String* GLOBAL; String* GLOBAL;
String* NULL_STR; String* NULL_STR;
String *VETO_SET;
}; };
V8Emitter::V8Emitter() V8Emitter::V8Emitter()
: JSEmitter(), : JSEmitter(),
GLOBAL(NewString("global")), GLOBAL(NewString("global")),
NULL_STR(NewString("0")) NULL_STR(NewString("0")),
VETO_SET(NewString("JS_veto_set_variable"))
{ {
} }
@ -1604,6 +1607,7 @@ V8Emitter::~V8Emitter()
{ {
Delete(GLOBAL); Delete(GLOBAL);
Delete(NULL_STR); Delete(NULL_STR);
Delete(VETO_SET);
} }
int V8Emitter::initialize(Node *n) int V8Emitter::initialize(Node *n)
@ -1761,7 +1765,7 @@ int V8Emitter::enterVariable(Node* n)
JSEmitter::enterVariable(n); JSEmitter::enterVariable(n);
state.variable(GETTER, NULL_STR); state.variable(GETTER, NULL_STR);
state.variable(SETTER, NULL_STR); state.variable(SETTER, VETO_SET);
return SWIG_OK; return SWIG_OK;
} }