Questions tagged [tree-grammar]

I have a complete parser grammer than generates an AST which i could say is correct using the rewrite rules and tree operators. At the moment i am stuck at the phase of creating a tree grammar.I have this error: The following sets of rules are…

I have an ANTLR3 tree grammar with C as the target language. This tree grammar actually generates C++ objects and thus needs to include the header(s) for these classes. I use the @header section for this. However, in the output, there is an extern C…

What does this error mean? Notice it expected a UNIT node and got what it was expecting... Phase_2.g: node from line 0:0 mismatched tree node: UNIT expecting UNIT