King_DuckZ/wrenpp
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Add more methods.

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King_DuckZ 2020-04-30 16:45:10 +02:00
commit 4a14d75ddb
3 changed files with 56 additions and 2 deletions
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44
src/wren/vm.cpp
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@ -4,6 +4,7 @@
#include <wren.hpp>
#include <cassert>
#include <stdexcept>
#include <iterator>
namespace wren {
namespace {
@ -159,18 +160,22 @@ namespace wren {
}
template <> bool VM::slot (int slot_num) {
assert(SlotType::Bool == slot_type(slot_num));
return wrenGetSlotBool(m_local->wvm, slot_num);
}
template <> std::string VM::slot (int slot_num) {
assert(SlotType::String == slot_type(slot_num));
return wrenGetSlotString(m_local->wvm, slot_num);
}
template <> double VM::slot (int slot_num) {
assert(SlotType::Num == slot_type(slot_num));
return wrenGetSlotDouble(m_local->wvm, slot_num);
}
template <> std::vector<char> VM::slot (int slot_num) {
assert(SlotType::String == slot_type(slot_num));
int length;
const char* const data = wrenGetSlotBytes(m_local->wvm, slot_num, &length);
return std::vector<char>{data, data + length};
@ -178,9 +183,17 @@ namespace wren {
template <>
int VM::slot (int slot_num) {
assert(SlotType::Num == slot_type(slot_num));
return static_cast<int>(slot<double>(slot_num));
}
std::string_view VM::slot_string_view (int slot_num) {
assert(SlotType::String == slot_type(slot_num));
int length;
const char* const data = wrenGetSlotBytes(m_local->wvm, slot_num, &length);
return {data, static_cast<std::size_t>(length)};
}
void VM::set (int slot_num, const std::string& value) {
wrenSetSlotString(m_local->wvm, slot_num, value.c_str());
}
@ -189,6 +202,14 @@ namespace wren {
wrenSetSlotString(m_local->wvm, slot_num, value);
}
void VM::set (int slot_num, std::string_view value) {
wrenSetSlotBytes(m_local->wvm, slot_num, value.data(), value.size());
}
void VM::set (int slot_num, const char* beg, const char* end) {
wrenSetSlotBytes(m_local->wvm, slot_num, beg, std::distance(beg, end));
}
void VM::set (int slot_num, double value) {
wrenSetSlotDouble(m_local->wvm, slot_num, value);
}
@ -224,4 +245,27 @@ namespace wren {
void VM::variable (const Handle& handle, int slot) {
wrenSetSlotHandle(m_local->wvm, slot, handle);
}
SlotType VM::slot_type(int slot_num) {
const WrenType tp = wrenGetSlotType(m_local->wvm, slot_num);
switch (tp) {
case WREN_TYPE_NUM: return SlotType::Num;
case WREN_TYPE_BOOL: return SlotType::Bool;
case WREN_TYPE_LIST: return SlotType::List;
case WREN_TYPE_NULL: return SlotType::Null;
case WREN_TYPE_STRING: return SlotType::String;
case WREN_TYPE_FOREIGN: return SlotType::Foreign;
case WREN_TYPE_UNKNOWN: return SlotType::Unknown;
};
assert(false);
return SlotType::Unknown;
}
Handle VM::slot_handle(int slot_num) {
return {this, wrenGetSlotHandle(m_local->wvm, slot_num)};
}
Handle VM::make_call_handle(const char* signature) {
return {this, wrenMakeCallHandle(m_local->wvm, signature)};
}
} //namespace wren