titus.pfaast.HasPath¶

class titus.pfaast.HasPath[source]¶

Bases: object

Mixin for titus.pfaast.Ast classes that have paths (attr, cell, pool).

walkPath(avroType, task, symbolTable, functionTable, engineOptions, version)¶

Dereference a path, checking all types along the way.

Parameters:	avroType (titus.datatype.AvroType) – data type of the base expression or cell/pool task (titus.pfaast.Task) – generic task to perform on each expression in the path symbolTable (titus.pfaast.SymbolTable) – used to look up symbols, cells, and pools functionTable (titus.pfaast.FunctionTable) – used to look up functions engineOptions (titus.options.EngineOptions) – implementation options version (titus.signature.PFAVersion) – version of the PFA language in which to interpret this PFA
Return type:	(titus.datatype.AvroType, set of strings, list of titus.pfaast.PathIndex)
Returns:	(type of dereferenced object, functions called, path indexes)