134 lines
3.4 KiB
Ruby
134 lines
3.4 KiB
Ruby
module Rscons
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# The Script class encapsulates the state of a build script.
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class Script
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class Dsl
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# Create a Dsl.
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def initialize(script)
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@script = script
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end
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# Set the project name.
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def project_name(project_name)
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@script.project_name = project_name
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end
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# Whether to automatically configure (default true).
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def autoconf(autoconf)
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@script.autoconf = autoconf
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end
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# Enter build block.
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def build(&block)
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@script.operations["build"] = block
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end
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# Enter configuration block.
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def configure(&block)
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@script.operations["configure"] = block
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end
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# Return a list of paths matching the specified pattern(s).
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#
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# A pattern can contain a "/**" component to recurse through directories.
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# If the pattern ends with "/**" then only the recursive list of
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# directories will be returned.
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#
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# Examples:
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# - "src/**": return all directories under "src", recursively (including
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# "src" itself).
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# - "src/**/*": return all files and directories recursively under the src
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# directory.
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# - "src/**/*.c": return all .c files recursively under the src directory.
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# - "dir/*/": return all directories in dir, but no files.
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#
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# @return [Array<String>] Paths matching the specified pattern(s).
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def glob(*patterns)
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require "pathname"
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patterns.reduce([]) do |result, pattern|
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if pattern.end_with?("/**")
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pattern += "/"
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end
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result += Dir.glob(pattern).map do |path|
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Pathname.new(path.gsub("\\", "/")).cleanpath.to_s
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end
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end.sort
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end
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end
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class ConfigureDsl
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# Create a ConfigureDsl.
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#
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# @param configure_op [ConfigureOp]
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# The configure operation object.
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def initialize(configure_op)
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@configure_op = configure_op
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end
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[
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:check_c_compiler,
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:check_cxx_compiler,
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:check_d_compiler,
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:check_cfg,
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:check_c_header,
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:check_cxx_header,
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:check_d_import,
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:check_lib,
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:check_program,
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].each do |method_name|
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define_method(method_name) do |*args|
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@configure_op.__send__(method_name, *args)
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end
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end
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end
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# @return [String, nil]
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# Project name.
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attr_accessor :project_name
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# @return [Boolean]
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# Whether to autoconfigure if the user does not explicitly perform a
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# configure operation before building (default: true).
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attr_accessor :autoconf
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# @return [Hash]
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# Operation lambdas.
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attr_reader :operations
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# Construct a Script.
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def initialize
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@autoconf = true
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@operations = {}
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end
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# Load a script from the specified file.
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#
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# @param path [String]
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# File name of the rscons script to load.
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#
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# @return [void]
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def load(path)
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script_contents = File.read(path, mode: "rb")
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Dsl.new(self).instance_eval(script_contents, path, 1)
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end
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# Perform build operation.
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def build
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if build_proc = @operations["build"]
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build_proc.call
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end
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end
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# Perform configure operation.
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def configure(configure_op)
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if operation_lambda = @operations["configure"]
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cdsl = ConfigureDsl.new(configure_op)
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cdsl.instance_eval(&operation_lambda)
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end
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end
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end
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end
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