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Commit c93109dc authored by Cole Faust's avatar Cole Faust
Browse files

Add implementations for firstword/lastword 

Bug: 226974242
Test: ./out/rbcrun ./build/make/tests/run.rbc
Change-Id: Ibb992f42a59212bae48acd55647b2d0872c2f69e
parent 63e1012b

core/product_config.rbc

+17 −0
Original line number Diff line number Diff line
@@ -605,6 +605,21 @@ def _filter(pattern, text): 
                break

    return res



def _first_word(input):

    """Equivalent to the GNU make function $(firstword)."""

    input = __words(input)

    if len(input) == 0:

        return ""

    return input[0]



def _last_word(input):

    """Equivalent to the GNU make function $(lastword)."""

    input = __words(input)

    l = len(input)

    if l == 0:

        return ""

    return input[l-1]



def _dir(paths):

    """Equivalent to the GNU make function $(dir).
@@ -862,6 +877,8 @@ rblf = struct( 
    filter_out = _filter_out,

    find_and_copy = _find_and_copy,

    findstring = _findstring,

    first_word = _first_word,

    last_word = _last_word,

    inherit = _inherit,

    indirect = _indirect,

    mk2rbc_error = _mk2rbc_error,

tests/run.rbc

+9 −0
Original line number Diff line number Diff line
@@ -81,6 +81,15 @@ assert_eq("/foo/baz", rblf.abspath("/foo/bar/../baz")) 
assert_eq(cwd+"/foo/bar "+cwd+"/foo/baz", rblf.abspath("foo/bar foo/baz"))

assert_eq("/baz", rblf.abspath("/../../../../../../../../../../../../../../../../baz"))



assert_eq("foo", rblf.first_word("foo bar"))

assert_eq("foo", rblf.first_word(["foo", "bar"]))

assert_eq("", rblf.first_word(""))

assert_eq("", rblf.first_word([]))

assert_eq("bar", rblf.last_word("foo bar"))

assert_eq("bar", rblf.last_word(["foo", "bar"]))

assert_eq("", rblf.last_word(""))

assert_eq("", rblf.last_word([]))



assert_eq(

    ["build/make/tests/board.rbc", "build/make/tests/board_input_vars.rbc"],

    rblf.expand_wildcard("build/make/tests/board*.rbc")