Shader: Fill SourceLocation info to AST when parsing

include/Nazara/Shader/ShaderLangSourceLocation.inl

@@ -3,6 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Shader/ShaderLangSourceLocation.hpp>
+#include <cassert>
 #include <Nazara/Shader/Debug.hpp>
 
 namespace Nz::ShaderLang
@@ -42,6 +43,40 @@ namespace Nz::ShaderLang
 	{
 	}
 
+	inline void SourceLocation::ExtendToLeft(const SourceLocation& leftLocation)
+	{
+		assert(file == leftLocation.file);
+		assert(leftLocation.startLine <= endLine);
+		startLine = leftLocation.startLine;
+		assert(leftLocation.startLine < endLine || leftLocation.startColumn <= endColumn);
+		startColumn = leftLocation.startColumn;
+	}
+
+	inline void SourceLocation::ExtendToRight(const SourceLocation& rightLocation)
+	{
+		assert(file == rightLocation.file);
+		assert(rightLocation.endLine >= startLine);
+		endLine = rightLocation.endLine;
+		assert(rightLocation.endLine > startLine || rightLocation.endColumn >= startColumn);
+		endColumn = endColumn;
+	}
+
+	inline SourceLocation SourceLocation::BuildFromTo(const SourceLocation& leftSource, const SourceLocation& rightSource)
+	{
+		assert(leftSource.file == rightSource.file);
+		assert(leftSource.startLine <= rightSource.endLine);
+		assert(leftSource.startLine < rightSource.endLine || leftSource.startColumn <= rightSource.endColumn);
+
+		SourceLocation sourceLoc;
+		sourceLoc.file = leftSource.file;
+		sourceLoc.startLine = leftSource.startLine;
+		sourceLoc.startColumn = leftSource.startColumn;
+		sourceLoc.endLine = rightSource.endLine;
+		sourceLoc.endColumn = rightSource.endColumn;
+
+		return sourceLoc;
+	}
+
 	inline bool SourceLocation::IsValid() const
 	{
 		return startLine != 0 && endLine != 0 && endColumn != 0 && startColumn != 0;