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Merge "Remove ?= assignements to product variables" into main am: cbe61221b6 am: 07829d80db am: 0ed4cb5708 am: 0e0fe0e511

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Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2779549

Change-Id: Ifdd0a8cdd61ec58fd374f3846c4a91d9db1d20aa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Treehugger Robot 2023-10-10 01:39:21 +00:00 committed by Automerger Merge Worker
commit 5a58172865
3 changed files with 20 additions and 20 deletions
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7
mk2rbc/mk2rbc.go
View file

@ -635,6 +635,13 @@ func (ctx *parseContext) handleAssignment(a *mkparser.Assignment) []starlarkNode
case "+=": case "+=":
asgn.flavor = asgnAppend asgn.flavor = asgnAppend
case "?=": case "?=":
if _, ok := lhs.(*productConfigVariable); ok {
// Make sets all product configuration variables to empty strings before running product
// config makefiles. ?= will have no effect on a variable that has been assigned before,
// even if assigned to an empty string. So just skip emitting any code for this
// assignment.
return nil
}
asgn.flavor = asgnMaybeSet asgn.flavor = asgnMaybeSet
default: default:
panic(fmt.Errorf("unexpected assignment type %s", a.Type)) panic(fmt.Errorf("unexpected assignment type %s", a.Type))

20
mk2rbc/mk2rbc_test.go
View file

@ -923,8 +923,6 @@ def init(g, handle):
cfg["PRODUCT_LIST2"] += ["a"] cfg["PRODUCT_LIST2"] += ["a"]
cfg["PRODUCT_LIST1"] += ["b"] cfg["PRODUCT_LIST1"] += ["b"]
cfg["PRODUCT_LIST2"] += ["b"] cfg["PRODUCT_LIST2"] += ["b"]
if cfg.get("PRODUCT_LIST3") == None:
cfg["PRODUCT_LIST3"] = ["a"]
cfg["PRODUCT_LIST1"] = ["c"] cfg["PRODUCT_LIST1"] = ["c"]
g.setdefault("PLATFORM_LIST", []) g.setdefault("PLATFORM_LIST", [])
g["PLATFORM_LIST"] += ["x"] g["PLATFORM_LIST"] += ["x"]
@ -966,9 +964,10 @@ PRODUCT_LIST1 = a $(PRODUCT_LIST1)
PRODUCT_LIST2 ?= a $(PRODUCT_LIST2) PRODUCT_LIST2 ?= a $(PRODUCT_LIST2)
PRODUCT_LIST3 += a PRODUCT_LIST3 += a
# Now doing them again should not have a setdefault because they've already been set # Now doing them again should not have a setdefault because they've already been set, except 2
# which did not emit an assignment before
PRODUCT_LIST1 = a $(PRODUCT_LIST1) PRODUCT_LIST1 = a $(PRODUCT_LIST1)
PRODUCT_LIST2 ?= a $(PRODUCT_LIST2) PRODUCT_LIST2 = a $(PRODUCT_LIST2)
PRODUCT_LIST3 += a PRODUCT_LIST3 += a
`, `,
expected: `# All of these should have a setdefault because they're self-referential and not defined before expected: `# All of these should have a setdefault because they're self-referential and not defined before
@ -979,18 +978,15 @@ def init(g, handle):
rblf.setdefault(handle, "PRODUCT_LIST1") rblf.setdefault(handle, "PRODUCT_LIST1")
cfg["PRODUCT_LIST1"] = (["a"] + cfg["PRODUCT_LIST1"] = (["a"] +
cfg.get("PRODUCT_LIST1", [])) cfg.get("PRODUCT_LIST1", []))
if cfg.get("PRODUCT_LIST2") == None:
rblf.setdefault(handle, "PRODUCT_LIST2")
cfg["PRODUCT_LIST2"] = (["a"] +
cfg.get("PRODUCT_LIST2", []))
rblf.setdefault(handle, "PRODUCT_LIST3") rblf.setdefault(handle, "PRODUCT_LIST3")
cfg["PRODUCT_LIST3"] += ["a"] cfg["PRODUCT_LIST3"] += ["a"]
# Now doing them again should not have a setdefault because they've already been set # Now doing them again should not have a setdefault because they've already been set, except 2
# which did not emit an assignment before
cfg["PRODUCT_LIST1"] = (["a"] + cfg["PRODUCT_LIST1"] = (["a"] +
cfg["PRODUCT_LIST1"]) cfg["PRODUCT_LIST1"])
if cfg.get("PRODUCT_LIST2") == None: rblf.setdefault(handle, "PRODUCT_LIST2")
cfg["PRODUCT_LIST2"] = (["a"] + cfg["PRODUCT_LIST2"] = (["a"] +
cfg["PRODUCT_LIST2"]) cfg.get("PRODUCT_LIST2", []))
cfg["PRODUCT_LIST3"] += ["a"] cfg["PRODUCT_LIST3"] += ["a"]
`, `,
}, },

13
mk2rbc/variable.go
View file

@ -109,14 +109,11 @@ func (pcv productConfigVariable) emitSet(gctx *generationContext, asgn *assignme
} }
emitAppend() emitAppend()
case asgnMaybeSet: case asgnMaybeSet:
gctx.writef("if cfg.get(%q) == None:", pcv.nam) // In mk2rbc.go we never emit a maybeSet assignment for product config variables, because
gctx.indentLevel++ // they are set to empty strings before running product config.
gctx.newLine() panic("Should never get here")
if needsSetDefault { default:
emitSetDefault() panic("Unknown assignment flavor")
}
emitAssignment()
gctx.indentLevel--
} }
gctx.setHasBeenAssigned(&pcv) gctx.setHasBeenAssigned(&pcv)