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Allow null parameters in StackStrF.

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This commit is contained in:
Sandu Liviu Catalin 2018-07-30 20:40:52 +03:00
parent 4e31fc478c
commit ecca09d6ce
2 changed files with 16 additions and 7 deletions
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12
include/sqrat/sqratGlobalMethods.h
View File

@ -47,7 +47,7 @@ namespace Sqrat {
template <class R> struct SqGlobalProxy {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc())) {
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
@ -68,7 +68,7 @@ template <class R> struct SqGlobalProxy {
template <class R> struct SqGlobalProxy<R&> {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc())) {
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
@ -89,7 +89,7 @@ template <class R> struct SqGlobalProxy<R&> {
template <> struct SqGlobalProxy<void> {
template <class... A> static SQInteger Run(HSQUIRRELVM vm, SQInteger idx) {
ArgPop<A...> a(vm, idx);
if (SQ_FAILED(a.Proc())) {
if (SQ_FAILED(a.Proc(sq_gettop(vm) == idx - 1 + static_cast< SQInteger >(sizeof...(A))))) {
return a.ProcRes();
}
a.Call(vm, [](HSQUIRRELVM vm, A... a) {
@ -109,7 +109,7 @@ template<bool> struct SqGlobalParamCheck {
};
template<> struct SqGlobalParamCheck<true> {
static inline bool Invalid(SQInteger top, SQInteger count) {
return top < count;
return top < (count - 1);
}
};
@ -145,7 +145,7 @@ template <class R> struct SqGlobal<R&> {
template <SQInteger startIdx, bool overloaded, class... A> static SQFUNCTION GetProxy() noexcept {
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
#if !defined (SCRAT_NO_ERROR_CHECKING)
if (!SQRAT_CONST_CONDITION(overloaded) && sq_gettop(vm) &&
if (!SQRAT_CONST_CONDITION(overloaded) &&
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
return sq_throwerror(vm, _SC("wrong number of parameters"));
}
@ -169,7 +169,7 @@ template <> struct SqGlobal<void> {
template <SQInteger startIdx, bool overloaded, class... A> static SQFUNCTION GetProxy() noexcept {
return +[](HSQUIRRELVM vm) noexcept -> SQInteger {
#if !defined (SCRAT_NO_ERROR_CHECKING)
if (!SQRAT_CONST_CONDITION(overloaded) && sq_gettop(vm) &&
if (!SQRAT_CONST_CONDITION(overloaded) &&
SqGlobalParamCheck< ArgPop<A...>::HASFMT >::Invalid(sq_gettop(vm), startIdx + sizeof...(A))) {
return sq_throwerror(vm, _SC("wrong number of parameters"));
}

11
include/sqrat/sqratUtil.h
View File

@ -1593,7 +1593,7 @@ struct StackStrF
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
StackStrF(HSQUIRRELVM vm, SQInteger idx)
: mPtr(nullptr)
, mLen(-1)
, mLen(SQ_ERROR)
, mRes(SQ_OK)
, mObj()
, mVM(vm)
@ -1659,6 +1659,7 @@ struct StackStrF
// Since this is a dummy then avoid making it look like a failure
mPtr = _SC("");
mLen = 0;
mRes = SQ_OK;
// We're not supposed to proceed with this!
return mRes;
}
@ -1669,6 +1670,14 @@ struct StackStrF
{
mRes = sq_throwerror(mVM, "Missing string or value");
}
// If null was specified then treat it as a dummy
else if (sq_gettype(mVM, mIdx) == OT_NULL)
{
// Default to an empty string and ignore formatting even if possible
mPtr = _SC("");
mLen = 0;
mRes = SQ_OK;
}
// Do we have enough values to call the format function and are we allowed to?
else if (fmt && (top - 1) >= mIdx)
{