Zxc200611/pocketpy
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This commit is contained in:
BLUELOVETH 2023-07-14 18:27:19 +08:00
parent ec201dbc45
commit c0dc98042e
1 changed files with 7 additions and 7 deletions
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14
src/pocketpy_c.cpp
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@ -5,11 +5,11 @@ using namespace pkpy;
typedef int (*LuaStyleFuncC)(VM*); typedef int (*LuaStyleFuncC)(VM*);
#define C_API_ASSERT(x) if(!(x)) { pkpy_error(vm_handle, "AssertionError", #x); return false; }
#define PK_ASSERT_N_EXTRA_ELEMENTS(n) \ #define PK_ASSERT_N_EXTRA_ELEMENTS(n) \
if(!has_n_extra_elements(vm, n)){ \ int __ex_count = count_extra_elements(vm, n); \
pkpy_error(vm_handle, "StackError", "not enough elements on stack"); \ if(__ex_count < n){ \
std::string msg = fmt("expected at least ", n, " elements, got ", __ex_count); \
pkpy_error(vm_handle, "StackError", msg.c_str()); \
return false; \ return false; \
} }
@ -17,12 +17,12 @@ typedef int (*LuaStyleFuncC)(VM*);
if(vm->_c.error != nullptr) \ if(vm->_c.error != nullptr) \
return false; return false;
static int has_n_extra_elements(VM* vm, int n){ static int count_extra_elements(VM* vm, int n){
if(vm->callstack.empty()){ if(vm->callstack.empty()){
return vm->s_data.size() >= n; return vm->s_data.size();
} }
PyObject** base = vm->top_frame()->_locals.end(); PyObject** base = vm->top_frame()->_locals.end();
return vm->s_data._sp - base >= n; return vm->s_data._sp - base;
} }
static PyObject* stack_item(VM* vm, int index){ static PyObject* stack_item(VM* vm, int index){