56 lines
2.2 KiB
Ruby
56 lines
2.2 KiB
Ruby
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class PreprocessinatorIncludesHandler
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constructor :configurator, :tool_executor, :task_invoker, :file_path_utils, :yaml_wrapper, :file_wrapper
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# shallow includes: only those headers a source file explicitly includes
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def invoke_shallow_includes_list(filepath)
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@task_invoker.invoke_test_shallow_include_lists( [@file_path_utils.form_preprocessed_includes_list_filepath(filepath)] )
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end
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# ask the preprocessor for a make-style dependency rule of only the headers the source file immediately includes
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def form_shallow_dependencies_rule(filepath)
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# change filename (prefix of '_') to prevent preprocessor from finding include files in temp directory containing file it's scanning
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temp_filepath = @file_path_utils.form_temp_path(filepath, '_')
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# read the file and replace all include statements with a decorated version
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# (decorating the names creates file names that don't exist, thus preventing the preprocessor
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# from snaking out and discovering the entire include path that winds through the code)
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contents = @file_wrapper.read(filepath)
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contents.gsub!( /#include\s+\"\s*(\S+)\s*\"/, "#include \"\\1\"\n#include \"@@@@\\1\"" )
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@file_wrapper.write( temp_filepath, contents )
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# extract the make-style dependency rule telling the preprocessor to
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# ignore the fact that it can't find the included files
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command = @tool_executor.build_command_line(@configurator.tools_test_includes_preprocessor, temp_filepath)
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shell_result = @tool_executor.exec(command[:line], command[:options])
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return shell_result[:output]
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end
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# headers only; ignore any crazy .c includes
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def extract_shallow_includes(make_rule)
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list = []
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header_extension = @configurator.extension_header
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headers = make_rule.scan(/(\S+#{'\\'+header_extension})/).flatten # escape slashes before dot file extension
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headers.uniq!
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headers.map! { |header| header.sub(/(@@@@)|(.+\/)/, '') }
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headers.sort!
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headers.each_with_index do |header, index|
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break if (headers.size == (index-1))
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list << header if (header == headers[index + 1])
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end
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return list
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end
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def write_shallow_includes_list(filepath, list)
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@yaml_wrapper.dump(filepath, list)
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end
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end
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