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#include "VariableList.hh"
#include "Log.hh"
namespace pcc {
VariableList::VariableList(VariableList* parent)
: parent_(parent) {}
Variable VariableList::FindVariable(const std::string& name) {
bool found = false;
VariableList* level = this;
decltype(variables_)::iterator result;
while (level != nullptr) {
result = level->variables_.find(name);
if (result != level->variables_.end()) {
found = true;
break;
} else {
level = level->parent_;
}
}
if (found == false) {
Log(LogLevel::PCC_ERROR, "unknown identifier %s", name.c_str());
return {nullptr, nullptr};
}
return std::get<1>(*result);
}
void VariableList::AddVariable(const std::string& name, Variable variable) {
variables_.insert({name, variable});
}
std::shared_ptr<Type> VariableList::FindTypeAlias(const std::string& name) {
bool found = false;
VariableList* level = this;
decltype(TypeAlias_)::iterator result;
while (level != nullptr) {
result = level->TypeAlias_.find(name);
if (result != level->TypeAlias_.end()) {
found = true;
break;
} else {
level = level->parent_;
}
}
if (found == false) {
Log(LogLevel::PCC_ERROR, "unknown type alias %s", name.c_str());
return nullptr;
}
return std::get<1>(*result);
}
void VariableList::AddTypeAlias(const std::string& name,
std::shared_ptr<Type> type) {
TypeAlias_.insert({name, type});
}
} // namespace pcc
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