85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
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"""Intermediate representation of modules."""
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from typing import List, Tuple, Dict
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from mypyc.common import JsonDict
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from mypyc.ir.ops import DeserMaps
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from mypyc.ir.rtypes import RType, deserialize_type
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from mypyc.ir.func_ir import FuncIR, FuncDecl
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from mypyc.ir.class_ir import ClassIR
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class ModuleIR:
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"""Intermediate representation of a module."""
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def __init__(
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self,
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fullname: str,
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imports: List[str],
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functions: List[FuncIR],
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classes: List[ClassIR],
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final_names: List[Tuple[str, RType]]) -> None:
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self.fullname = fullname
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self.imports = imports[:]
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self.functions = functions
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self.classes = classes
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self.final_names = final_names
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def serialize(self) -> JsonDict:
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return {
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'fullname': self.fullname,
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'imports': self.imports,
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'functions': [f.serialize() for f in self.functions],
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'classes': [c.serialize() for c in self.classes],
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'final_names': [(k, t.serialize()) for k, t in self.final_names],
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}
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@classmethod
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def deserialize(cls, data: JsonDict, ctx: DeserMaps) -> 'ModuleIR':
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return ModuleIR(
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data['fullname'],
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data['imports'],
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[ctx.functions[FuncDecl.get_id_from_json(f)] for f in data['functions']],
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[ClassIR.deserialize(c, ctx) for c in data['classes']],
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[(k, deserialize_type(t, ctx)) for k, t in data['final_names']],
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)
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def deserialize_modules(data: Dict[str, JsonDict], ctx: DeserMaps) -> Dict[str, ModuleIR]:
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"""Deserialize a collection of modules.
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The modules can contain dependencies on each other.
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Arguments:
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data: A dict containing the modules to deserialize.
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ctx: The deserialization maps to use and to populate.
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They are populated with information from the deserialized
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modules and as a precondition must have been populated by
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deserializing any dependencies of the modules being deserialized
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(outside of dependencies between the modules themselves).
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Returns a map containing the deserialized modules.
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"""
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for mod in data.values():
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# First create ClassIRs for every class so that we can construct types and whatnot
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for cls in mod['classes']:
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ir = ClassIR(cls['name'], cls['module_name'])
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assert ir.fullname not in ctx.classes, "Class %s already in map" % ir.fullname
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ctx.classes[ir.fullname] = ir
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for mod in data.values():
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# Then deserialize all of the functions so that methods are available
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# to the class deserialization.
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for method in mod['functions']:
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func = FuncIR.deserialize(method, ctx)
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assert func.decl.id not in ctx.functions, (
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"Method %s already in map" % func.decl.fullname)
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ctx.functions[func.decl.id] = func
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return {k: ModuleIR.deserialize(v, ctx) for k, v in data.items()}
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# ModulesIRs should also always be an *OrderedDict*, but if we
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# declared it that way we would need to put it in quotes everywhere...
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ModuleIRs = Dict[str, ModuleIR]
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