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Throw errors instead of warnings on wrong implicit conversions.

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This prints out a stack trace, which is quite helpful when debugging.
Also fixes an issue with stack trace not always being reported.

Differential Revision: https://code.wildfiregames.com/D3210
This was SVN commit r25365.
This commit is contained in:
wraitii
2021-05-03 15:44:06 +00:00
parent 5287dd768d
commit 0406c4dfde
9 changed files with 45 additions and 30 deletions
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source/scriptinterface/ScriptConversions.cpp
+18 -12
View File
@@ -18,6 +18,7 @@
#include "precompiled.h"
#include "ScriptConversions.h"
#include "ScriptExceptions.h"
#include "ScriptExtraHeaders.h"
#include "graphics/Entity.h"
@@ -26,14 +27,19 @@
#include "ps/CLogger.h"
#include "ps/CStr.h"
#define FAIL(msg) STMT(LOGERROR(msg); return false)
// Catch the raised exception right away to ensure the stack trace gets printed.
#define FAIL(msg) STMT(ScriptException::Raise(rq, msg); ScriptException::CatchPending(rq); return false)
// Implicit type conversions often hide bugs, so warn about them
#define WARN_IF_NOT(c, v) STMT(if (!(c)) { JS::WarnUTF8(rq.cx, "Script value conversion check failed: %s (got type %s)", #c, JS::InformalValueTypeName(v)); })
// Implicit type conversions often hide bugs, so fail.
#define FAIL_IF_NOT(c, v) STMT(if (!(c)) { \
ScriptException::Raise(rq, "Script value conversion check failed: %s (got type %s)", #c, JS::InformalValueTypeName(v)); \
ScriptException::CatchPending(rq); \
return false; \
})
template<> bool ScriptInterface::FromJSVal<bool>(const ScriptRequest& rq, JS::HandleValue v, bool& out)
{
WARN_IF_NOT(v.isBoolean(), v);
FAIL_IF_NOT(v.isBoolean(), v);
out = JS::ToBoolean(v);
return true;
}
@@ -41,7 +47,7 @@ template<> bool ScriptInterface::FromJSVal<bool>(const ScriptRequest& rq, JS::Ha
template<> bool ScriptInterface::FromJSVal<float>(const ScriptRequest& rq, JS::HandleValue v, float& out)
{
double tmp;
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToNumber(rq.cx, v, &tmp))
return false;
out = tmp;
@@ -50,7 +56,7 @@ template<> bool ScriptInterface::FromJSVal<float>(const ScriptRequest& rq, JS::H
template<> bool ScriptInterface::FromJSVal<double>(const ScriptRequest& rq, JS::HandleValue v, double& out)
{
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToNumber(rq.cx, v, &out))
return false;
return true;
@@ -58,7 +64,7 @@ template<> bool ScriptInterface::FromJSVal<double>(const ScriptRequest& rq, JS:
template<> bool ScriptInterface::FromJSVal<i32>(const ScriptRequest& rq, JS::HandleValue v, i32& out)
{
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToInt32(rq.cx, v, &out))
return false;
return true;
@@ -66,7 +72,7 @@ template<> bool ScriptInterface::FromJSVal<i32>(const ScriptRequest& rq, JS::Ha
template<> bool ScriptInterface::FromJSVal<u32>(const ScriptRequest& rq, JS::HandleValue v, u32& out)
{
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToUint32(rq.cx, v, &out))
return false;
return true;
@@ -74,7 +80,7 @@ template<> bool ScriptInterface::FromJSVal<u32>(const ScriptRequest& rq, JS::Ha
template<> bool ScriptInterface::FromJSVal<u16>(const ScriptRequest& rq, JS::HandleValue v, u16& out)
{
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToUint16(rq.cx, v, &out))
return false;
return true;
@@ -83,7 +89,7 @@ template<> bool ScriptInterface::FromJSVal<u16>(const ScriptRequest& rq, JS::Ha
template<> bool ScriptInterface::FromJSVal<u8>(const ScriptRequest& rq, JS::HandleValue v, u8& out)
{
u16 tmp;
WARN_IF_NOT(v.isNumber(), v);
FAIL_IF_NOT(v.isNumber(), v);
if (!JS::ToUint16(rq.cx, v, &tmp))
return false;
out = (u8)tmp;
@@ -92,7 +98,7 @@ template<> bool ScriptInterface::FromJSVal<u8>(const ScriptRequest& rq, JS::Han
template<> bool ScriptInterface::FromJSVal<std::wstring>(const ScriptRequest& rq, JS::HandleValue v, std::wstring& out)
{
WARN_IF_NOT(v.isString() || v.isNumber() || v.isBoolean(), v); // allow implicit boolean/number conversions
FAIL_IF_NOT(v.isString() || v.isNumber() || v.isBoolean(), v); // allow implicit boolean/number conversions
JS::RootedString str(rq.cx, JS::ToString(rq.cx, v));
if (!str)
FAIL("Argument must be convertible to a string");
@@ -318,4 +324,4 @@ template<> bool ScriptInterface::FromJSVal<std::vector<Entity>>(const ScriptRequ
}
#undef FAIL
#undef WARN_IF_NOT
#undef FAIL_IF_NOT