Class: PreprocessinatorCodeFinder

Inherits:
Object
  • Object
show all
Defined in:
lib/ceedling/preprocess/preprocessinator_code_finder.rb

Constant Summary collapse

LINE_MARKER_REGEX = 
/^#\s+(\d+)\s+"[^"]+"[^\n]*\n/
WHITESPACE_MARKER =

Regex-special-character-immune string

'<!@_ws_!@>'

Instance Method Summary collapse

Instance Method Details

#find_in_c_file(filepath, code) ⇒ Object

Open a C source file and search it for code. Returns the 1-indexed source line number of the match, or nil if not found. Intended for production use where C file resides on disk.



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# File 'lib/ceedling/preprocess/preprocessinator_code_finder.rb', line 38

def find_in_c_file(filepath, code)
  File.open( filepath, 'r' ) do |file|
    return find_in_c_code( io: file, search: code )
  end
end

#find_in_c_string(content, code) ⇒ Object

Wrap a C file content string in a StringIO and search it for code. Returns the 1-indexed source line number of the match, or nil if not found. Intended for test use so that specs require no temporary files.



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# File 'lib/ceedling/preprocess/preprocessinator_code_finder.rb', line 48

def find_in_c_string(content, code)
  buffer = StringIO.new( content )
  return find_in_c_code( io: buffer, search: code )
end

#find_in_preprpocessed_file(filepath, code) ⇒ Object

Open a GCC preprocessor output file and search it for code. Returns the 1-indexed source line number of the match, or nil if not found. Intended for production use where preprocessor output resides on disk.



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# File 'lib/ceedling/preprocess/preprocessinator_code_finder.rb', line 20

def find_in_preprpocessed_file(filepath, code)
  File.open( filepath, 'r' ) do |file|
    return find_in_preprocessed_content( io: file, search: code )
  end
end

#find_in_preprpocessed_string(content, code) ⇒ Object

Wrap a GCC preprocessor output string in a StringIO and search it for code. Returns the 1-indexed source line number of the match, or nil if not found. Intended for test use so that specs require no temporary files.



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# File 'lib/ceedling/preprocess/preprocessinator_code_finder.rb', line 30

def find_in_preprpocessed_string(content, code)
  buffer = StringIO.new( content )
  return find_in_preprocessed_content( io: buffer, search: code )
end