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-rw-r--r--src/core/model/Syntax.hpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/core/model/Syntax.hpp b/src/core/model/Syntax.hpp
index 97a2995..91b2226 100644
--- a/src/core/model/Syntax.hpp
+++ b/src/core/model/Syntax.hpp
@@ -158,6 +158,29 @@ struct SyntaxDescriptor {
}
/**
+ * Equality operator, returns true if the two SyntaxDescriptor instances
+ * are exactly equal.
+ *
+ * @param o1 is the first syntax descriptor for the comparison.
+ * @param o2 is the second syntax descriptor for the comparison.
+ * @return true if the two syntax descriptors equal, false otherwise.
+ */
+ friend bool operator==(const SyntaxDescriptor &o1,
+ const SyntaxDescriptor &o2);
+
+ /**
+ * Orders two SyntaxDescriptor instances by their depth, open, close and
+ * shortForm TokenId and the descriptor pointer. Additionally,
+ * SyntaxDescriptors belonging to FieldDescriptors are prefered.
+ *
+ * @param o1 is the first syntax descriptor for the comparison.
+ * @param o2 is the second syntax descriptor for the comparison.
+ * @return true if o1 is should be ordered before o2.
+ */
+ friend bool operator<(const SyntaxDescriptor &o1,
+ const SyntaxDescriptor &o2);
+
+ /**
* Inserts all tokens referenced in this SyntaxDescriptor into the
* given TokenSet. Skips token ids set to Tokens::Empty.
*