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Merge changes Ie3d4536b,If2504b7d,I411844fb am: fc56b59db4 

am: d3a1fa618f

Change-Id: Id5b5b7d398f4ee2c2acbca24f169728ae940cc61
This commit is contained in:
Colin Cross 2018-05-10 22:36:19 -07:00 committed by android-build-merger
parent 4f2b09be68 d3a1fa618f
commit a3e54cd24d
2 changed files with 153 additions and 35 deletions
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2
core/java.mk
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@ -546,7 +546,7 @@ ifeq ($(LOCAL_USE_R8),true)
my_r8 := true
$(built_dex_intermediate): PRIVATE_EXTRA_INPUT_JAR := $(extra_input_jar)
$(built_dex_intermediate): PRIVATE_PROGUARD_FLAGS := $(legacy_proguard_flags) $(common_proguard_flags) $(LOCAL_PROGUARD_FLAGS)
$(built_dex_intermediate) : $(full_classes_proguard_jar) $(extra_input_jar) $(my_support_library_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) $(legacy_proguard_lib_deps) $(R8_COMPAT_PROGUARD)
$(built_dex_intermediate) : $(full_classes_proguard_jar) $(extra_input_jar) $(my_proguard_sdk_raise) $(common_proguard_flag_files) $(proguard_flag_files) $(legacy_proguard_lib_deps) $(R8_COMPAT_PROGUARD)
$(transform-jar-to-dex-r8)
endif # LOCAL_USE_R8
endif # LOCAL_PROGUARD_ENABLED

186
core/math.mk
View File

@ -15,44 +15,104 @@
#
###########################################################
# Basic math functions for positive integers <= 100
# Basic math functions for non-negative integers <= 100
#
# (SDK versions for example)
###########################################################
__MATH_NUMBERS := 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 \
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 \
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
__MATH_POS_NUMBERS := 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 \
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 \
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 \
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 \
81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
__MATH_NUMBERS := 0 $(__MATH_POS_NUMBERS)
# Returns true if $(1) is a positive integer <= 100, otherwise returns nothing.
math-error = $(call pretty-error,$(1))
math-expect :=
math-expect-true :=
math-expect :=
math-expect-error :=
# Run the math tests with:
# make -f ${ANDROID_BUILD_TOP}/build/make/core/math.mk RUN_MATH_TESTS=true
# $(get_build_var CKATI) -f ${ANDROID_BUILD_TOP}//build/make/core/math.mk RUN_MATH_TESTS=true
ifdef RUN_MATH_TESTS
MATH_TEST_FAILURE :=
MATH_TEST_ERROR :=
math-error = $(if $(MATH_TEST_ERROR),,$(eval MATH_TEST_ERROR:=$(1)))
define math-expect
$(eval got:=$$$1) \
$(if $(subst $(got),,$(2))$(subst $(2),,$(got))$(MATH_TEST_ERROR), \
$(if $(MATH_TEST_ERROR),$(warning $(MATH_TEST_ERROR)),$(warning $$$1 '$(got)' != '$(2)')) \
$(eval MATH_TEST_FAILURE := true)) \
$(eval MATH_TEST_ERROR :=) \
$(eval got:=)
endef
math-expect-true = $(call math-expect,$(1),true)
math-expect-false = $(call math-expect,$(1),)
define math-expect-error
$(eval got:=$$$1) \
$(if $(subst $(MATH_TEST_ERROR),,$(2))$(subst $(2),,$(MATH_TEST_ERROR)), \
$(warning '$(MATH_TEST_ERROR)' != '$(2)') \
$(eval MATH_TEST_FAILURE := true)) \
$(eval MATH_TEST_ERROR :=) \
$(eval got:=)
endef
endif
# Returns true if $(1) is a non-negative integer <= 100, otherwise returns nothing.
define math_is_number
$(strip \
$(if $(1),,$(error Argument missing)) \
$(if $(word 2,$(1)),$(error Multiple words in a single argument: $(1))) \
$(if $(1),,$(call math-error,Argument missing)) \
$(if $(word 2,$(1)),$(call math-error,Multiple words in a single argument: $(1))) \
$(if $(filter $(1),$(__MATH_NUMBERS)),true))
endef
#$(warning true == $(call math_is_number,2))
#$(warning == $(call math_is_number,foo))
#$(call math_is_number,1 2)
#$(call math_is_number,no 2)
define math_is_zero
$(strip \
$(if $(word 2,$(1)),$(call math-error,Multiple words in a single argument: $(1))) \
$(if $(filter 0,$(1)),true))
endef
$(call math-expect-true,(call math_is_number,0))
$(call math-expect-true,(call math_is_number,2))
$(call math-expect-false,(call math_is_number,foo))
$(call math-expect-false,(call math_is_number,-1))
$(call math-expect-error,(call math_is_number,1 2),Multiple words in a single argument: 1 2)
$(call math-expect-error,(call math_is_number,no 2),Multiple words in a single argument: no 2)
$(call math-expect-true,(call math_is_zero,0))
$(call math-expect-false,(call math_is_zero,1))
$(call math-expect-false,(call math_is_zero,foo))
$(call math-expect-error,(call math_is_zero,1 2),Multiple words in a single argument: 1 2)
$(call math-expect-error,(call math_is_zero,no 2),Multiple words in a single argument: no 2)
define _math_check_valid
$(if $(call math_is_number,$(1)),,$(error Only positive integers <= 100 are supported (not $(1))))
$(if $(call math_is_number,$(1)),,$(call math-error,Only non-negative integers <= 100 are supported (not $(1))))
endef
$(call math-expect,(call _math_check_valid,0))
$(call math-expect,(call _math_check_valid,1))
$(call math-expect,(call _math_check_valid,100))
$(call math-expect-error,(call _math_check_valid,-1),Only non-negative integers <= 100 are supported (not -1))
$(call math-expect-error,(call _math_check_valid,101),Only non-negative integers <= 100 are supported (not 101))
$(call math-expect-error,(call _math_check_valid,),Argument missing)
$(call math-expect-error,(call _math_check_valid,1 2),Multiple words in a single argument: 1 2)
# return a list containing integers ranging from [$(1),$(2)]
define int_range_list
$(call _math_check_valid,$(1))$(call _math_check_valid,$(2))$(wordlist $(1),$(2),$(__MATH_NUMBERS))
$(strip \
$(call _math_check_valid,$(1))$(call _math_check_valid,$(2)) \
$(if $(call math_is_zero,$(1)),0)\
$(wordlist $(if $(call math_is_zero,$(1)),1,$(1)),$(2),$(__MATH_POS_NUMBERS)))
endef
#$(call _math_check_valid,0)
#$(call _math_check_valid,1)
#$(call _math_check_valid,100)
#$(call _math_check_valid,101)
#$(call _math_check_valid,)
#$(call _math_check_valid,1 2)
$(call math-expect,(call int_range_list,0,1),0 1)
$(call math-expect,(call int_range_list,1,1),1)
$(call math-expect,(call int_range_list,1,2),1 2)
$(call math-expect,(call int_range_list,2,1),)
$(call math-expect-error,(call int_range_list,1,101),Only non-negative integers <= 100 are supported (not 101))
# Returns the greater of $1 or $2.
# If $1 or $2 is not a positive integer <= 100, then an error is generated.
@ -61,12 +121,14 @@ $(strip $(call _math_check_valid,$(1)) $(call _math_check_valid,$(2)) \
$(lastword $(filter $(1) $(2),$(__MATH_NUMBERS))))
endef
#$(call math_max)
#$(call math_max,1)
#$(call math_max,1 2,3)
#$(warning 1 == $(call math_max,1,1))
#$(warning 42 == $(call math_max,5,42))
#$(warning 42 == $(call math_max,42,5))
$(call math-expect-error,(call math_max),Argument missing)
$(call math-expect-error,(call math_max,1),Argument missing)
$(call math-expect-error,(call math_max,1 2,3),Multiple words in a single argument: 1 2)
$(call math-expect,(call math_max,0,1),1)
$(call math-expect,(call math_max,1,0),1)
$(call math-expect,(call math_max,1,1),1)
$(call math-expect,(call math_max,5,42),42)
$(call math-expect,(call math_max,42,5),42)
define math_gt_or_eq
$(if $(filter $(1),$(call math_max,$(1),$(2))),true)
@ -76,15 +138,23 @@ define math_lt
$(if $(call math_gt_or_eq,$(1),$(2)),,true)
endef
#$(warning $(call math_gt_or_eq, 2, 1))
#$(warning $(call math_gt_or_eq, 1, 1))
#$(warning $(if $(call math_gt_or_eq, 1, 2),false,true))
$(call math-expect-true,(call math_gt_or_eq, 2, 1))
$(call math-expect-true,(call math_gt_or_eq, 1, 1))
$(call math-expect-false,(call math_gt_or_eq, 1, 2))
# $1 is the variable name to increment
define inc_and_print
$(strip $(eval $(1) := $($(1)) .)$(words $($(1))))
endef
ifdef RUN_MATH_TESTS
a :=
$(call math-expect,(call inc_and_print,a),1)
$(call math-expect,(call inc_and_print,a),2)
$(call math-expect,(call inc_and_print,a),3)
$(call math-expect,(call inc_and_print,a),4)
endif
# Returns the words in $2 that are numbers and are less than $1
define numbers_less_than
$(strip \
@ -94,12 +164,19 @@ $(strip \
$(n)))))
endef
$(call math-expect,(call numbers_less_than,0,0 1 2 3),)
$(call math-expect,(call numbers_less_than,1,0 2 1 3),0)
$(call math-expect,(call numbers_less_than,2,0 2 1 3),0 1)
$(call math-expect,(call numbers_less_than,3,0 2 1 3),0 2 1)
$(call math-expect,(call numbers_less_than,4,0 2 1 3),0 2 1 3)
$(call math-expect,(call numbers_less_than,3,0 2 1 3 2),0 2 1 2)
_INT_LIMIT_WORDS := $(foreach a,x x,$(foreach b,x x x x x x x x x x x x x x x x,\
$(foreach c,x x x x x x x x x x x x x x x x,x x x x x x x x x x x x x x x x)))
define _int_encode
$(if $(filter $(words x $(_INT_LIMIT_WORDS)),$(words $(wordlist 1,$(1),x $(_INT_LIMIT_WORDS)))),\
$(call pretty-error,integer greater than $(words $(_INT_LIMIT_WORDS)) is not supported!),\
$(call math-error,integer greater than $(words $(_INT_LIMIT_WORDS)) is not supported!),\
$(wordlist 1,$(1),$(_INT_LIMIT_WORDS)))
endef
@ -135,18 +212,59 @@ define int_plus
$(words $(call _int_encode,$(1)) $(call _int_encode,$(2)))
endef
$(call math-expect,(call int_plus,0,0),0)
$(call math-expect,(call int_plus,0,1),1)
$(call math-expect,(call int_plus,1,0),1)
$(call math-expect,(call int_plus,1,100),101)
$(call math-expect,(call int_plus,100,100),200)
define int_subtract
$(if $(call _int_greater-or-equal,$(call _int_encode,$(1)),$(call _int_encode,$(2))),\
$(strip \
$(if $(call _int_greater-or-equal,$(call _int_encode,$(1)),$(call _int_encode,$(2))),\
$(words $(filter-out xx,$(join $(call _int_encode,$(1)),$(call _int_encode,$(2))))),\
$(call pretty-error,$(1) subtract underflow $(2)))
$(call math-error,subtract underflow $(1) - $(2))))
endef
$(call math-expect,(call int_subtract,0,0),0)
$(call math-expect,(call int_subtract,1,0),1)
$(call math-expect,(call int_subtract,1,1),0)
$(call math-expect,(call int_subtract,100,1),99)
$(call math-expect,(call int_subtract,200,100),100)
$(call math-expect-error,(call int_subtract,0,1),subtract underflow 0 - 1)
define int_multiply
$(words $(foreach a,$(call _int_encode,$(1)),$(call _int_encode,$(2))))
endef
$(call math-expect,(call int_multiply,0,0),0)
$(call math-expect,(call int_multiply,1,0),0)
$(call math-expect,(call int_multiply,1,1),1)
$(call math-expect,(call int_multiply,100,1),100)
$(call math-expect,(call int_multiply,1,100),100)
$(call math-expect,(call int_multiply,4,100),400)
$(call math-expect,(call int_multiply,100,4),400)
define int_divide
$(if $(filter 0,$(2)),$(call pretty-error,division by zero is not allowed!),$(strip \
$(if $(filter 0,$(2)),$(call math-error,division by zero is not allowed!),$(strip \
$(if $(call _int_greater-or-equal,$(call _int_encode,$(1)),$(call _int_encode,$(2))), \
$(call int_plus,$(call int_divide,$(call int_subtract,$(1),$(2)),$(2)),1),0)))
endef
$(call math-expect,(call int_divide,1,1),1)
$(call math-expect,(call int_divide,200,1),200)
$(call math-expect,(call int_divide,200,3),66)
$(call math-expect,(call int_divide,1,2),0)
$(call math-expect-error,(call int_divide,0,0),division by zero is not allowed!)
$(call math-expect-error,(call int_divide,1,0),division by zero is not allowed!)
ifdef RUN_MATH_TESTS
ifdef MATH_TEST_FAILURE
math-tests:
@echo FAIL
@false
else
math-tests:
@echo PASS
endif
.PHONY: math-tests
endif