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diff --git a/thirdparty/misc/clipper.cpp b/thirdparty/misc/clipper.cpp
index 8c3a59c4ca..c67045d113 100644
--- a/thirdparty/misc/clipper.cpp
+++ b/thirdparty/misc/clipper.cpp
@@ -48,6 +48,38 @@
#include <ostream>
#include <functional>
+//Explicitly disables exceptions handling for target platform
+//#define CLIPPER_NOEXCEPTION
+
+#define CLIPPER_THROW(exception) std::abort()
+#define CLIPPER_TRY if(true)
+#define CLIPPER_CATCH(exception) if(false)
+
+#if defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)
+ #ifndef CLIPPER_NOEXCEPTION
+ #undef CLIPPER_THROW
+ #define CLIPPER_THROW(exception) throw exception
+ #undef CLIPPER_TRY
+ #define CLIPPER_TRY try
+ #undef CLIPPER_CATCH
+ #define CLIPPER_CATCH(exception) catch(exception)
+ #endif
+#endif
+
+//Optionally allows to override exception macros
+#if defined(CLIPPER_THROW_USER)
+ #undef CLIPPER_THROW
+ #define CLIPPER_THROW CLIPPER_THROW_USER
+#endif
+#if defined(CLIPPER_TRY_USER)
+ #undef CLIPPER_TRY
+ #define CLIPPER_TRY CLIPPER_TRY_USER
+#endif
+#if defined(CLIPPER_CATCH_USER)
+ #undef CLIPPER_CATCH
+ #define CLIPPER_CATCH CLIPPER_CATCH_USER
+#endif
+
namespace ClipperLib {
static double const pi = 3.141592653589793238;
@@ -898,7 +930,7 @@ void RangeTest(const IntPoint& Pt, bool& useFullRange)
if (useFullRange)
{
if (Pt.X > hiRange || Pt.Y > hiRange || -Pt.X > hiRange || -Pt.Y > hiRange)
- throw clipperException("Coordinate outside allowed range");
+ CLIPPER_THROW(clipperException("Coordinate outside allowed range"));
}
else if (Pt.X > loRange|| Pt.Y > loRange || -Pt.X > loRange || -Pt.Y > loRange)
{
@@ -1046,10 +1078,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed)
{
#ifdef use_lines
if (!Closed && PolyTyp == ptClip)
- throw clipperException("AddPath: Open paths must be subject.");
+ CLIPPER_THROW(clipperException("AddPath: Open paths must be subject."));
#else
if (!Closed)
- throw clipperException("AddPath: Open paths have been disabled.");
+ CLIPPER_THROW(clipperException("AddPath: Open paths have been disabled."));
#endif
int highI = (int)pg.size() -1;
@@ -1062,7 +1094,7 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed)
bool IsFlat = true;
//1. Basic (first) edge initialization ...
- try
+ CLIPPER_TRY
{
edges[1].Curr = pg[1];
RangeTest(pg[0], m_UseFullRange);
@@ -1075,10 +1107,10 @@ bool ClipperBase::AddPath(const Path &pg, PolyType PolyTyp, bool Closed)
InitEdge(&edges[i], &edges[i+1], &edges[i-1], pg[i]);
}
}
- catch(...)
+ CLIPPER_CATCH(...)
{
delete [] edges;
- throw; //range test fails
+ CLIPPER_THROW(); //range test fails
}
TEdge *eStart = &edges[0];
@@ -1442,7 +1474,7 @@ void ClipperBase::SwapPositionsInAEL(TEdge *Edge1, TEdge *Edge2)
void ClipperBase::UpdateEdgeIntoAEL(TEdge *&e)
{
if (!e->NextInLML)
- throw clipperException("UpdateEdgeIntoAEL: invalid call");
+ CLIPPER_THROW(clipperException("UpdateEdgeIntoAEL: invalid call"));
e->NextInLML->OutIdx = e->OutIdx;
TEdge* AelPrev = e->PrevInAEL;
@@ -1510,7 +1542,7 @@ bool Clipper::Execute(ClipType clipType, Paths &solution,
{
if( m_ExecuteLocked ) return false;
if (m_HasOpenPaths)
- throw clipperException("Error: PolyTree struct is needed for open path clipping.");
+ CLIPPER_THROW(clipperException("Error: PolyTree struct is needed for open path clipping."));
m_ExecuteLocked = true;
solution.resize(0);
m_SubjFillType = subjFillType;
@@ -1560,7 +1592,7 @@ void Clipper::FixHoleLinkage(OutRec &outrec)
bool Clipper::ExecuteInternal()
{
bool succeeded = true;
- try {
+ CLIPPER_TRY {
Reset();
m_Maxima = MaximaList();
m_SortedEdges = 0;
@@ -1583,7 +1615,7 @@ bool Clipper::ExecuteInternal()
InsertLocalMinimaIntoAEL(botY);
}
}
- catch(...)
+ CLIPPER_CATCH(...)
{
succeeded = false;
}
@@ -2827,18 +2859,18 @@ void Clipper::ProcessHorizontal(TEdge *horzEdge)
bool Clipper::ProcessIntersections(const cInt topY)
{
if( !m_ActiveEdges ) return true;
- try {
+ CLIPPER_TRY {
BuildIntersectList(topY);
size_t IlSize = m_IntersectList.size();
if (IlSize == 0) return true;
if (IlSize == 1 || FixupIntersectionOrder()) ProcessIntersectList();
else return false;
}
- catch(...)
+ CLIPPER_CATCH(...)
{
m_SortedEdges = 0;
DisposeIntersectNodes();
- throw clipperException("ProcessIntersections error");
+ CLIPPER_THROW(clipperException("ProcessIntersections error"));
}
m_SortedEdges = 0;
return true;
@@ -3002,7 +3034,7 @@ void Clipper::DoMaxima(TEdge *e)
DeleteFromAEL(eMaxPair);
}
#endif
- else throw clipperException("DoMaxima error");
+ else CLIPPER_THROW(clipperException("DoMaxima error"));
}
//------------------------------------------------------------------------------
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