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Commit 2491ad52 authored by Cole Faust's avatar Cole Faust
Browse files

Add mksort implementation 

Bug: 218736658
Test: ./out/rbcrun ./build/make/tests/run.rbc
Change-Id: I0069e7059453c16d299cc650f56c320d905f1958
parent 52233be2

core/product_config.rbc

+15 −0
Original line number Diff line number Diff line
@@ -676,6 +676,20 @@ def _mkpatsubst(pattern, replacement, s): 
    return out_words if type(s) == "list" else " ".join(out_words)





def _mksort(input):

    """Emulate Make's sort.



    This is unique from a regular sort in that it also strips

    the input, and removes duplicate words from the input.

    """

    input = sorted(__words(input))

    result = []

    for w in input:

        if len(result) == 0 or result[-1] != w:

            result.append(w)

    return result





def _mkstrip(s):

    """Emulates Make's strip.
@@ -785,6 +799,7 @@ rblf = struct( 
    mkerror = _mkerror,

    mkpatsubst = _mkpatsubst,

    mkwarning = _mkwarning,

    mksort = _mksort,

    mkstrip = _mkstrip,

    mksubst = _mksubst,

    notdir = _notdir,

tests/run.rbc

+3 −0
Original line number Diff line number Diff line
@@ -32,6 +32,9 @@ def assert_eq(expected, actual): 
        fail("Expected '%s', got '%s'" % (expected, actual))



# Unit tests for non-trivial runtime functions

assert_eq(["a", "b", "c"], rblf.mksort("b a    c c"))

assert_eq(["a", "b", "c"], rblf.mksort(["b", "a", "c", "c"]))



assert_eq("", rblf.mkstrip(" \n \t    "))

assert_eq("a b c", rblf.mkstrip("  a b   \n  c \t"))

assert_eq(1, rblf.mkstrip(1))