bool SetVariableCommand::executeImpl(
DebuggerSession* session,
folly::dynamic* responseMsg
) {
folly::dynamic body = folly::dynamic::object;
folly::dynamic variables = folly::dynamic::array;
auto& args = tryGetObject(getMessage(), "arguments", s_emptyArgs);
ServerObject* obj = session->getServerObject(m_objectId);
if (obj == nullptr) {
throw DebuggerCommandException("Invalid variablesReference specified.");
}
const std::string& suppliedName = tryGetString(args, "name", "");
if (suppliedName.empty()) {
throw DebuggerCommandException("Invalid variable name specified.");
}
// Remove any prefixes that we would have added to the variable name
// before presenting it to the front-end.
std::string name = removeVariableNamePrefix(suppliedName);
bool success = false;
const std::string& strValue = tryGetString(args, "value", "");
try {
if (obj->objectType() == ServerObjectType::Scope) {
ScopeObject* scope = static_cast<ScopeObject*>(obj);
switch (scope->m_scopeType) {
case ScopeType::Locals:
success = setLocalVariable(
session,
name,
strValue,
scope,
&body
);
break;
case ScopeType::ServerConstants:
success = setConstant(
session,
name,
strValue,
scope,
&body
);
break;
// Superglobals and core constants are provided by the current execution
// context, rather than trying to overwrite them here, defer to the PHP
// console, which will let the runtime enforce whatever policies are
// appropriate.
case ScopeType::Superglobals:
m_debugger->sendUserMessage(
"Could not directly set value of superglobal variable, you may "
"be able to set this value by running a Hack/PHP command in the "
" console.",
DebugTransport::OutputLevelError
);
break;
default:
assertx(false);
}
} else if (obj->objectType() == ServerObjectType::Variable) {
VariableObject* variable = static_cast<VariableObject*>(obj);
Variant& variant = variable->m_variable;
if (variant.isArray()) {
success = setArrayVariable(session, name, strValue, variable, &body);
} else if (variant.isObject()) {
success = setObjectVariable(session, name, strValue, variable, &body);
} else {
throw DebuggerCommandException(
"Failed to set variable: Unexpected variable type."
);
}
}
} catch (DebuggerCommandException e) {
m_debugger->sendUserMessage(
e.what(),
DebugTransport::OutputLevelError
);
throw e;
}
if (!success) {
throw DebuggerCommandException(
"Failed to set variable."
);
}
(*responseMsg)["body"] = body;
return false;
}
Variable blendExpression::evaluate()
{
ImageObject* bottom = store->getImage();
Variable topVar = arguments[0]->getResult();
ImageObject* top = topVar.get<ImageObject>();
setLocalVariable("x", &x);
setLocalVariable("y", &y);
setLocalVariable("r1", &r1);
setLocalVariable("g1", &g1);
setLocalVariable("b1", &b1);
setLocalVariable("h1", &h1);
setLocalVariable("s1", &s1);
setLocalVariable("v1", &v1);
setLocalVariable("a1", &a1);
setLocalVariable("r2", &r2);
setLocalVariable("g2", &g2);
setLocalVariable("b2", &b2);
setLocalVariable("h2", &h2);
setLocalVariable("s2", &s2);
setLocalVariable("v2", &v2);
setLocalVariable("a2", &a2);
for (int cx = 0; cx < std::min(top->getWidth(),bottom->getWidth()); cx++)
for (int cy = 0; cy < std::min(top->getHeight(), bottom->getHeight()); cy++)
{
x = cx;
y = cy;
if (store->mask->getValue(cx, cy) > 0)
{
Colour b = bottom->getPixel(cx, cy);
r1 = (float)b.r();
g1 = (float)b.g();
b1 = (float)b.b();
h1 = (float)b.h();
s1 = (float)b.s();
v1 = (float)b.v();
a1 = (float)b.a();
Colour t = top->getPixel(cx, cy);
r2 = (float)t.r();
g2 = (float)t.g();
b2 = (float)t.b();
h2 = (float)t.h();
s2 = (float)t.s();
v2 = (float)t.v();
a2 = (float)t.a();
Variable col = arguments[1]->getResult();
buffer->setPixel(cx, cy, *col.get<Colour>());
}
}
commitBuffer();
return Variable();
}