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# Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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ifeq (,$(_MAKEBASE_GMK))
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$(error You must include MakeBase.gmk prior to including TextFileProcessing.gmk)
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# Helper function for SetupTextFileProcessing; adds a rule for a single file
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# param 1 = The namespace argument, e.g. BUILD_VERSION_FILE
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# param 2 = the source file name (full path)
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# param 3 = the target base directory
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# param 4 = the target file name (possibly with a partial path)
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define SetupSingleTextFileForProcessing
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$(strip $3)/$(strip $4): $2 $$($1_VARDEPS_FILE)
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$$(call LogInfo, Processing $(strip $4))
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$$(call MakeDir, $$(@D))
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$(RM) '$$@' '$$@.includes.tmp' '$$@.replacements.tmp' ; \
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$$($1_INCLUDES_COMMAND_LINE) < '$$<' > '$$@.includes.tmp' ; \
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$$($1_REPLACEMENTS_COMMAND_LINE) < '$$@.includes.tmp' > '$$@.replacements.tmp' ; \
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$(RM) '$$@.includes.tmp' ; \
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$(MV) '$$@.replacements.tmp' '$$@'
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$1 += $(strip $3)/$(strip $4)
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# Setup make rules for processing one or more text files, in which specified
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# markers are replaced with a given text, or with the contents of a given file.
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# Parameter 1 is the name of the rule. This name is used as variable prefix,
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# and the targets generated are listed in a variable by that name.
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# Remaining parameters are named arguments. These include:
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# SOURCE_DIRS one or more directory roots to search for files to process
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# SOURCE_FILES complete paths to one or more files to process
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# OUTPUT_DIR the directory where we store the processed files.
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# OUTPUT_FILE the name of the resulting file. Only allowed if processing a
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# SOURCE_BASE_DIR a common root to all SOURCE_DIRS or SOURCE_FILES.
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# If specified, files will keep the path relative to the base in the
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# OUTPUT_DIR. Otherwise, the hierarchy will be flattened into the OUTPUT_DIR.
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# INCLUDE_FILES only include files matching these patterns (used only with
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# EXCLUDE_FILES exclude files matching these patterns (used only with
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# INCLUDES replace the occurrences of a pattern with the contents of a file;
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# one or more such include pattern, using the syntax:
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# PLACEHOLDER => FILE_TO_INCLUDE ; ...
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# Each PLACEHOLDER must be on a single, otherwise empty line (whitespace
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# REPLACEMENTS one or more text replacement patterns, using the syntax:
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# PATTERN => REPLACEMENT_TEXT ; ...
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# If both INCLUDES or REPLACEMENTS are present, then the includes will be
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# processed first, and replacements will be done on the included fragments as well.
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# If neither is present, the files will just be copied without modifications.
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SetupTextFileProcessing = $(NamedParamsMacroTemplate)
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define SetupTextFileProcessingBody
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ifneq ($$($1_SOURCE_FILES),)
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ifneq ($$($1_SOURCE_DIRS),)
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$$(error Cannot use both SOURCE_FILES and SOURCE_DIRS (in $1))
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ifneq ($$($1_EXCLUDE_FILES)$$($1_INCLUDE_FILES),)
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$$(error Cannot INCLUDE/EXCLUDE_FILES with SOURCE_FILES (in $1))
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ifeq ($$($1_SOURCE_DIRS),)
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$$(error Must specify either SOURCE_FILES or SOURCE_DIRS (in $1))
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# Find all files in the source trees. Sort to remove duplicates.
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$$(foreach src, $$($1_SOURCE_DIRS), $$(if $$(wildcard $$(src)), , \
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$$(error SOURCE_DIRS contains missing directory $$(src) (in $1))))
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ifneq ($$($1_SOURCE_BASE_DIR),)
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$$(foreach src, $$($1_SOURCE_DIRS), \
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$$(if $$(findstring $$($1_SOURCE_BASE_DIR), $$(src)), , \
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$$(error SOURCE_DIRS contains directory $$(src) outside \
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SOURCE_BASE_DIR $$($1_SOURCE_BASE_DIR) (in $1))))
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$1_SOURCE_FILES := $$(sort $$(call FindFiles,$$($1_SOURCE_DIRS)))
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$1_EXCLUDE_FILES:=$$(foreach i,$$($1_SOURCE_DIRS),$$(addprefix $$i/,$$($1_EXCLUDE_FILES)))
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$1_INCLUDE_FILES:=$$(foreach i,$$($1_SOURCE_DIRS),$$(addprefix $$i/,$$($1_INCLUDE_FILES)))
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$1_SOURCE_FILES := $$(filter-out $$($1_EXCLUDE_FILES),$$($1_SOURCE_FILES))
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ifneq (,$$(strip $$($1_INCLUDE_FILES)))
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$1_SOURCE_FILES := $$(filter $$($1_INCLUDE_FILES),$$($1_SOURCE_FILES))
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ifeq (,$$($1_SOURCE_FILES))
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$$(info No sources found for $1 when looking inside the dirs $$($1_SRC))
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ifneq ($$($1_REPLACEMENTS),)
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# We have a replacement request, prepare it for the recipe
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ifneq ($$(findstring /,$$($1_REPLACEMENTS)),)
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# Cannot use / as separator
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ifneq ($$(findstring @,$$($1_REPLACEMENTS)),)
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# Cannot use @ as separator
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ifneq ($$(findstring |,$$($1_REPLACEMENTS)),)
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# Cannot use | as separator
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ifneq ($$(findstring !,$$($1_REPLACEMENTS)),)
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# Cannot use ! as separator. Give up.
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$$(error No suitable sed separator can be found for $1. Tested /, @, | and !)
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# If we have a trailing "=>" (i.e. last rule replaces with empty, and is not
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# terminated by a ;), add a trailing ; to minimize the number of corner
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# cases in the hairy subst expression..
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ifeq ($$(lastword $$($1_REPLACEMENTS)), =>)
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# If we have a trailing ";", add a dummy replacement, since there is no easy
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# way to delete the last word in make.
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ifeq ($$(lastword $$($1_REPLACEMENTS)), ;)
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$1_REPLACEMENTS += DUMMY_REPLACEMENT => DUMMY_REPLACEMENT
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# Convert the REPLACEMENTS syntax ( A => B ; C => D ; ...) to a sed command
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# line (-e "s/A/B/g" -e "s/C/D/g" ...), basically by replacing '=>' with '/'
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# and ';' with '/g" -e "s/', and adjusting for edge cases.
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# '&' has special meaning in sed so needs to be escaped.
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$1_REPLACEMENTS_COMMAND_LINE := $(SED) -e 's$$($1_SEP)$$(subst $$(SPACE);$$(SPACE),$$($1_SEP)g' \
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-e 's$$($1_SEP),$$(subst $$(SPACE)=>$$(SPACE),$$($1_SEP),$$(subst $$(SPACE)=>$$(SPACE);$$(SPACE),$$($1_SEP)$$($1_SEP)g' \
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-e 's$$($1_SEP),$$(subst &,\&,$$(strip $$($1_REPLACEMENTS))))))$$($1_SEP)g'
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# We don't have any replacements, just pipe the file through cat.
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$1_REPLACEMENTS_COMMAND_LINE := $(CAT)
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ifneq ($$($1_INCLUDES),)
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# We have a include request, prepare it for the recipe.
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# Convert an INCLUDE like this PATTERN_1 => file1 ; PATTERN_2 => file2 ;
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# into an awk script fragment like this:
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# if (matches("PATTERN_1")) { include("file1") } else170
# if (matches("PATTERN_2")) { include("file2") } else174
$1_INCLUDES_HEADER_AWK := \
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function matches(pattern) { return ($$$$0 ~ "^[ \t]*" pattern "[ \t]*$$$$") } \176
function include(filename) { while ((getline < filename) == 1) print ; close(filename) }177
$1_INCLUDES_PARTIAL_AWK := $$(subst $$(SPACE);,,$$(subst $$(SPACE)=>$$(SPACE),"$$(RIGHT_PAREN)$$(RIGHT_PAREN) \
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{ include$$(LEFT_PAREN)",$$(subst $$(SPACE);$$(SPACE),"$$(RIGHT_PAREN) } \179
else if $$(LEFT_PAREN)matches$$(LEFT_PAREN)",$$(strip $$($1_INCLUDES)))))
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$1_INCLUDES_COMMAND_LINE := $(AWK) '$$($1_INCLUDES_HEADER_AWK) \
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{ if (matches("$$($1_INCLUDES_PARTIAL_AWK)") } else print }'183
# We don't have any includes, just pipe the file through cat.
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$1_INCLUDES_COMMAND_LINE := $(CAT)
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$1_VARDEPS := $$($1_INCLUDES_COMMAND_LINE) $$($1_REPLACEMENTS_COMMAND_LINE)
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$1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS)
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# Reset target list before populating it
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ifneq ($$($1_OUTPUT_FILE),)
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ifneq ($$(words $$($1_SOURCE_FILES)), 1)
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$$(error Cannot use OUTPUT_FILE for more than one source file (in $1))
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# Note that $1 is space sensitive and must disobey whitespace rules
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$$(eval $$(call SetupSingleTextFileForProcessing,$1, $$($1_SOURCE_FILES), \
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$$(patsubst %/, %, $$(dir $$($1_OUTPUT_FILE))), $$(notdir $$($1_OUTPUT_FILE))))
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ifeq ($$($1_OUTPUT_DIR),)
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$$(error Neither OUTPUT_FILE nor OUTPUT_DIR was specified (in $1))
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# Now call add_native_source for each source file we are going to process.
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ifeq ($$($1_SOURCE_BASE_DIR),)
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# With no base dir specified, put all files in target dir, flattening any
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# hierarchies. Note that $1 is space sensitive and must disobey whitespace
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$$(foreach src, $$($1_SOURCE_FILES), \
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$$(eval $$(call SetupSingleTextFileForProcessing,$1, $$(src), \
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$$(patsubst %/, %, $$($1_OUTPUT_DIR)), $$(notdir $$(src)))))
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# With a base dir, extract the relative portion of the path. Note that $1
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# is space sensitive and must disobey whitespace rules, and so is the
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# arguments to patsubst.
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$$(foreach src, $$($1_SOURCE_FILES), \
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$$(eval $$(call SetupSingleTextFileForProcessing,$1, $$(src), \
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$$(patsubst %/, %, $$($1_OUTPUT_DIR)), \
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$$(patsubst $$($1_SOURCE_BASE_DIR)/%,%,$$(src)))))