Re: toVHDL - lazy debug?

Dear Jan,

I think this should come from a non initialized Signal, or some forgot .next.

In any case, I have this lines just after the visit_Compare:

    def visit_Compare(self, node):
        node.vhd = vhd_boolean()
        self.generic_visit(node)
        left, op, right = node.left, node.ops[0], node.comparators[0]
        if left.vhd is None:
            print(ast.dump(node))

The dump should provide you some hints.

	Best,

		Jose M.

> El 15/5/2015, a las 16:44, Jan Coombs <[email protected]> escribió:
> 
> I have a convoluted module which passes outline
> testing, and converts to ~500 lines of Verilog,
> but will not convert to VHDL. 
> 
> On VHDL conversion failure the call stack has
> entries for toVHDL and ast, and ends with the
> message: 
> 
> "AttributeError: 'NoneType' object has no
> attribute 'size'"
> 
> The resulting .vhd file has a complete list of
> signals, but no code. 
> 
> 
> I'd prefer not to hack the code apart to find the
> problem, are there any simpler ways of
> unravelling this problem?
> 
> 
> Jan Coombs. 
> --
> 
> toVHDL
> Traceback (most recent call last):
>  File "./testStackCacheHandles.py", line 253, in
> <module> clk,coreClkEn,rst, NumHndls)
>  File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 203, in __call__ _convertGens(genlist,
> siglist, memlist, vfile) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 461, in _convertGens v.visit(tree) File
> "/usr/lib/python2.7/ast.py", line 241, in visit
> return visitor(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 1224, in visit_Module self.visit(stmt) File
> "/usr/lib/python2.7/ast.py", line 241, in visit
> return visitor(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 1606, in visit_FunctionDef
> self.visit_stmt(node.body) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 1432, in visit_stmt self.visit(stmt) File
> "/usr/lib/python2.7/ast.py", line 241, in visit
> return visitor(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 872, in visit_Assign self.visit(rhs) File
> "/usr/lib/python2.7/ast.py", line 241, in visit
> return visitor(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 644, in visit_BinOp self.BitOp(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 729, in BitOp self.visit(node.left) File
> "/usr/lib/python2.7/ast.py", line 241, in visit
> return visitor(node) File
> "/usr/local/lib/python2.7/dist-packages/myhdl/conversion/_toVHDL.py",
> line 1003, in visit_Compare ns = node.vhd.size
> AttributeError: 'NoneType' object has no
> attribute 'size'
> 
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