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Allow variable-prefixed include statements in mk2rbc

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mk2rbc was already searching the whole android tree
for Makefiles, so allowing variable-prefixed include
statements doesn't affect performance on the file searching
front. On the generated code front, there's already a cap
of 150 potentially-included makefiles that prevents the
performance from getting too bad, and it can be lowered
if necessary.

Bug: 213508006
Test: go test
Change-Id: I3a4e81acb3d97bee08ac3dbe63052a274acf5793
This commit is contained in:
Cole Faust
2022-01-26 17:47:33 -08:00
parent 4012047331
commit 069aba64f6
3 changed files with 29 additions and 42 deletions
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39
mk2rbc/mk2rbc_test.go
View File

@@ -1072,13 +1072,7 @@ def init(g, handle):
cfg = rblf.cfg(handle)
g["MY_PATH"] = "foo"
#RBC# include_top vendor/foo1
_entry = {
"vendor/foo1/cfg.mk": ("vendor/foo1/cfg", _cfg_init),
}.get("%s/cfg.mk" % g["MY_PATH"])
(_varmod, _varmod_init) = _entry if _entry else (None, None)
if not _varmod_init:
rblf.mkerror("product.mk", "Cannot find %s" % ("%s/cfg.mk" % g["MY_PATH"]))
rblf.inherit(handle, _varmod, _varmod_init)
rblf.inherit(handle, "vendor/foo1/cfg", _cfg_init)
`,
},
{
@@ -1098,25 +1092,13 @@ def init(g, handle):
cfg = rblf.cfg(handle)
g["MY_PATH"] = "foo"
#RBC# include_top vendor/foo1
_entry = {
"vendor/foo1/cfg.mk": ("vendor/foo1/cfg", _cfg_init),
}.get("%s/cfg.mk" % g["MY_PATH"])
(_varmod, _varmod_init) = _entry if _entry else (None, None)
if not _varmod_init:
rblf.mkerror("product.mk", "Cannot find %s" % ("%s/cfg.mk" % g["MY_PATH"]))
rblf.inherit(handle, _varmod, _varmod_init)
rblf.inherit(handle, "vendor/foo1/cfg", _cfg_init)
#RBC# include_top vendor/foo1
_entry = {
"vendor/foo1/cfg.mk": ("vendor/foo1/cfg", _cfg_init),
}.get("%s/cfg.mk" % g["MY_PATH"])
(_varmod, _varmod_init) = _entry if _entry else (None, None)
if not _varmod_init:
rblf.mkerror("product.mk", "Cannot find %s" % ("%s/cfg.mk" % g["MY_PATH"]))
rblf.inherit(handle, _varmod, _varmod_init)
rblf.inherit(handle, "vendor/foo1/cfg", _cfg_init)
`,
},
{
desc: "Dynamic inherit path that lacks necessary hint",
desc: "Dynamic inherit path that lacks hint",
mkname: "product.mk",
in: `
#RBC# include_top foo
@@ -1133,26 +1115,23 @@ $(call inherit-product,$(MY_VAR)/font.mk)
expected: `#RBC# include_top foo
load("//build/make/core:product_config.rbc", "rblf")
load("//foo:font.star|init", _font_init = "init")
load("//bar:font.star|init", _font1_init = "init")
def init(g, handle):
cfg = rblf.cfg(handle)
_entry = {
"foo/font.mk": ("foo/font", _font_init),
}.get("%s/font.mk" % g.get("MY_VAR", ""))
(_varmod, _varmod_init) = _entry if _entry else (None, None)
if not _varmod_init:
rblf.mkerror("product.mk", "Cannot find %s" % ("%s/font.mk" % g.get("MY_VAR", "")))
rblf.inherit(handle, _varmod, _varmod_init)
rblf.inherit(handle, "foo/font", _font_init)
#RBC# include_top foo
# There's some space and even this comment between the include_top and the inherit-product
rblf.inherit(handle, "foo/font", _font_init)
rblf.mkwarning("product.mk:11", "Including a path with a non-constant prefix, please convert this to a simple literal to generate cleaner starlark.")
_entry = {
"foo/font.mk": ("foo/font", _font_init),
"bar/font.mk": ("bar/font", _font1_init),
}.get("%s/font.mk" % g.get("MY_VAR", ""))
(_varmod, _varmod_init) = _entry if _entry else (None, None)
if not _varmod_init:
rblf.mkerror("product.mk", "Cannot find %s" % ("%s/font.mk" % g.get("MY_VAR", "")))
rblf.inherit(handle, _varmod, _varmod_init)
rblf.mk2rbc_error("product.mk:11", "inherit-product/include statements must not be prefixed with a variable, or must include a #RBC# include_top comment beforehand giving a root directory to search.")
`,
},
{