mirror of
https://github.com/davidgiven/fluxengine.git
synced 2025-10-31 11:17:01 -07:00
74 lines
1.7 KiB
Python
74 lines
1.7 KiB
Python
from os.path import join
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from build.ab import (
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Rule,
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Targets,
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emit,
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normalrule,
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filenamesof,
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filenamesmatchingof,
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bubbledattrsof,
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targetswithtraitsof,
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)
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from build.c import cxxlibrary
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from types import SimpleNamespace
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from build.pkg import package
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emit(
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"""
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PROTOC ?= protoc
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ifeq ($(filter protobuf, $(PACKAGES)),)
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$(error Required package 'protobuf' not installed.)"
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endif
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"""
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)
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lib = package(name="protobuf_lib", package="protobuf")
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@Rule
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def proto(self, name, srcs: Targets = None, deps: Targets = None):
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normalrule(
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replaces=self,
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ins=srcs,
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outs=[f"{name}.descriptor"],
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deps=deps,
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commands=[
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"$(PROTOC) --include_source_info --descriptor_set_out={outs[0]} {ins}"
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],
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label="PROTO",
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)
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self.attr.protosrcs = filenamesof(srcs)
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self.bubbleattr("protosrcs", deps)
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@Rule
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def protocc(self, name, srcs: Targets = None, deps: Targets = None):
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outs = []
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protos = []
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for f in filenamesmatchingof(bubbledattrsof(srcs, "protosrcs"), "*.proto"):
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cc = f.replace(".proto", ".pb.cc")
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h = f.replace(".proto", ".pb.h")
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protos += [f]
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srcs += [f]
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outs += [cc, h]
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srcname = f"{name}_srcs"
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objdir = join("$(OBJ)", srcname)
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r = normalrule(
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name=srcname,
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ins=protos,
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outs=outs,
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deps=deps,
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commands=["$(PROTOC) --cpp_out={self.attr.objdir} {ins}"],
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label="PROTOCC",
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)
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headers = {f: join(objdir, f) for f in outs if f.endswith(".pb.h")}
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cxxlibrary(
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replaces=self,
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srcs=[r],
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deps=targetswithtraitsof(deps, "cheaders") + [lib],
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hdrs=headers,
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)
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