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Commit 3b25eb1c authored by Sasha Smundak's avatar Sasha Smundak
Browse files

Add mkpatsubst 

Bug: 181797530
Test: rbcrun build/make/tests/run.rbc
Change-Id: Id15daaf6e3ed68982e50cdc710563095ffcf57ba
parent 827998ad

core/product_config.rbc

+33 −0
Original line number Diff line number Diff line
@@ -433,6 +433,38 @@ def _mkinfo(file, message = ""): 
    """Prints info."""

    print(message)





def __mkpatsubst_word(parsed_pattern,parsed_subst, word):

    (before, after) = parsed_pattern

    if not word.startswith(before):

        return word

    if not word.endswith(after):

        return word

    if len(parsed_subst) < 2:

        return parsed_subst[0]

    return parsed_subst[0] + word[len(before):len(word) - len(after)] + parsed_subst[1]





def _mkpatsubst(pattern, replacement, s):

    """Emulates Make's patsubst.



    Tokenizes `s` (unless it is already a list), and then performs a simple

    wildcard substitution (in other words, `foo%bar` pattern is equivalent to

    the regular expression `^foo(.*)bar$, and the first `%` in replacement is

    $1 in regex terms). Escaping % is not supported

    """

    if pattern.find("\\") >= 0:

        fail("'\\' in pattern is not allowed")

    parsed_pattern = pattern.split("%", 1)

    words = s if type(s) == "list" else _mkstrip(s).split(" ")

    if len(parsed_pattern) == 1:

        out_words = [ replacement if x == pattern else x for x in words]

    else:

        parsed_replacement = replacement.split("%", 1)

        out_words = [__mkpatsubst_word(parsed_pattern, parsed_replacement, x) for x in words]

    return out_words if type(s) == "list" else " ".join(out_words)





def _mkstrip(s):

    """Emulates Make's strip.
@@ -507,6 +539,7 @@ rblf = struct( 
    indirect = _indirect,

    mkinfo = _mkinfo,

    mkerror = _mkerror,

    mkpatsubst = _mkpatsubst,

    mkwarning = _mkwarning,

    mkstrip = _mkstrip,

    mksubst = _mksubst,

tests/run.rbc

+10 −0
Original line number Diff line number Diff line
@@ -34,6 +34,16 @@ assert_eq("a b c", rblf.mkstrip(" a b \n c \t")) 
assert_eq("b1 b2", rblf.mksubst("a", "b", "a1 a2"))

assert_eq(["b1", "x2"], rblf.mksubst("a", "b", ["a1", "x2"]))



assert_eq("ABcdYZ", rblf.mkpatsubst("ab%yz", "AB%YZ", "abcdyz"))

assert_eq("bcz", rblf.mkpatsubst("a%z", "A%Z", "bcz"))

assert_eq(["Ay", "Az"], rblf.mkpatsubst("a%", "A%", ["ay", "az"]))

assert_eq("AcZ bcz", rblf.mkpatsubst("a%z", "A%Z", "acz  bcz"))

assert_eq("Abcd", rblf.mkpatsubst("a%", "A%", "abcd"))

assert_eq("abcZ", rblf.mkpatsubst("%z", "%Z", "abcz"))

assert_eq("azx b", rblf.mkpatsubst("az", "AZ", "azx  b"))

assert_eq(["azx", "b"], rblf.mkpatsubst("az", "AZ", ["azx", "b"]))

assert_eq("ABC", rblf.mkpatsubst("abc", "ABC", "abc"))



globals, config = rblf.product_configuration("test/device", init)

assert_eq(

    {