def compile_modules_to_ir(
result: BuildResult,
mapper: Mapper,
compiler_options: CompilerOptions,
errors: Errors,
) -> ModuleIRs:
"""Compile a collection of modules into ModuleIRs.
The modules to compile are specified as part of mapper's group_map.
Returns the IR of the modules.
"""
deser_ctx = DeserMaps({}, {})
modules = {}
# Process the graph by SCC in topological order, like we do in mypy.build
for scc in sorted_components(result.graph):
scc_states = [result.graph[id] for id in scc]
trees = [
st.tree for st in scc_states
if st.id in mapper.group_map and st.tree
]
if not trees:
continue
fresh = all(id not in result.manager.rechecked_modules for id in scc)
if fresh:
load_scc_from_cache(trees, result, mapper, deser_ctx)
else:
scc_ir = compile_scc_to_ir(trees, result, mapper, compiler_options,
errors)
modules.update(scc_ir)
return modules
def check_serialization_roundtrip(irs: Dict[str, ModuleIR]) -> None:
"""Check that we can serialize modules out and deserialize them to the same thing."""
serialized = {k: ir.serialize() for k, ir in irs.items()}
ctx = DeserMaps({}, {})
irs2 = deserialize_modules(serialized, ctx)
assert irs.keys() == irs2.keys()
for k in irs:
assert_modules_same(irs[k], irs2[k])