FuncScopeVariableEnvironment::
FuncScopeVariableEnvironment(const FunctionStatement *func, int argc)
: m_func(func), m_staticEnv(NULL), m_argc(argc),
m_argStart(RequestEvalState::argStack().pos()) {
const Block::VariableIndices &vi = func->varIndices();
m_byIdx.resize(vi.size());
Globals *g = NULL;
for (Block::VariableIndices::const_iterator it = vi.begin();
it != vi.end(); ++it) {
const VariableIndex &v = it->second;
if (v.superGlobal() != VariableIndex::Normal &&
v.superGlobal() != VariableIndex::Globals) {
if (!g) g = get_globals();
// This is safe because superglobals are real members of the globals
// and do not live in an array
m_byIdx[v.idx()] = &g->get(String(it->first.c_str(), it->first.size(),
AttachLiteral), v.hash());
} else {
Variant &val = m_alist.prepend(String(it->first.c_str(),
it->first.size(),
AttachLiteral));
m_byIdx[v.idx()] = &val;
if (v.superGlobal() == VariableIndex::Globals) {
val = get_global_array_wrapper();
}
}
}
}
FuncScopeVariableEnvironment::
FuncScopeVariableEnvironment(const FunctionStatement *func)
: m_func(func), m_staticEnv(NULL), m_argc(0),
m_argStart(RequestEvalState::argStack().pos()) {
const Block::VariableIndices &vi = func->varIndices();
const vector<string> &vars = func->variables();
m_byIdx.resize(vi.size());
Globals *g = NULL;
for (int i = vars.size() - 1; i >= 0; i--) {
const string &name = vars[i];
Block::VariableIndices::const_iterator it = vi.find(name);
ASSERT(it != vi.end());
if (it == vi.end()) continue;
const VariableIndex &v = it->second;
String sname(name.c_str(), name.size(), AttachLiteral);
if (v.superGlobal() != VariableIndex::Normal &&
v.superGlobal() != VariableIndex::Globals) {
if (!g) g = get_globals();
// This is safe because superglobals are real members of the globals
// and do not live in an array
m_byIdx[v.idx()] = &g->get(sname);
} else {
Variant &val = m_alist.prepend(sname);
m_byIdx[v.idx()] = &val;
if (v.superGlobal() == VariableIndex::Globals) {
val = get_global_array_wrapper();
}
}
}
}
void initAL(AssocList &al) const {
Globals *g = get_globals();
for (int i = 0; i < s_num-1; i++) {
al.prepend(s_names[i]) = ref(g->get(s_names[i], s_hashes[i]));
}
al.prepend("GLOBALS") = get_global_array_wrapper();
}
