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parse_f95.rb
#= parse_f95.rb - Fortran95 Parser # #== Overview # #"parse_f95.rb" parses Fortran95 files with suffixes "f90", "F90", "f95" #and "F95". Fortran95 files are expected to be conformed to Fortran95 #standards. # #== Rules # #Fundamental rules are same as that of the Ruby parser. #But comment markers are '!' not '#'. # #=== Correspondence between RDoc documentation and Fortran95 programs # #"parse_f95.rb" parses main programs, modules, subroutines, functions, #derived-types, public variables, public constants, #defined operators and defined assignments. #These components are described in items of RDoc documentation, as follows. # #Files :: Files (same as Ruby) #Classes :: Modules #Methods :: Subroutines, functions, variables, constants, derived-types, defined operators, defined assignments #Required files :: Files in which imported modules, external subroutines and external functions are defined. #Included Modules :: List of imported modules #Attributes :: List of derived-types, List of imported modules all of whose components are published again # #Components listed in 'Methods' (subroutines, functions, ...) #defined in modules are described in the item of 'Classes'. #On the other hand, components defined in main programs or #as external procedures are described in the item of 'Files'. # #=== Components parsed by default # #By default, documentation on public components (subroutines, functions, #variables, constants, derived-types, defined operators, #defined assignments) are generated. #With "--all" option, documentation on all components #are generated (almost same as the Ruby parser). # #=== Information parsed automatically # #The following information is automatically parsed. # #* Types of arguments #* Types of variables and constants #* Types of variables in the derived types, and initial values #* NAMELISTs and types of variables in them, and initial values # #Aliases by interface statement are described in the item of 'Methods'. # #Components which are imported from other modules and published again #are described in the item of 'Methods'. # #=== Format of comment blocks # #Comment blocks should be written as follows. #Comment blocks are considered to be ended when the line without '!' #appears. #The indentation is not necessary. # # ! (Top of file) # ! # ! Comment blocks for the files. # ! # !-- # ! The comment described in the part enclosed by # ! "!--" and "!++" is ignored. # !++ # ! # module hogehoge # ! # ! Comment blocks for the modules (or the programs). # ! # # private # # logical :: a ! a private variable # real, public :: b ! a public variable # integer, parameter :: c = 0 ! a public constant # # public :: c # public :: MULTI_ARRAY # public :: hoge, foo # # type MULTI_ARRAY # ! # ! Comment blocks for the derived-types. # ! # real, pointer :: var(:) =>null() ! Comments block for the variables. # integer :: num = 0 # end type MULTI_ARRAY # # contains # # subroutine hoge( in, & ! Comment blocks between continuation lines are ignored. # & out ) # ! # ! Comment blocks for the subroutines or functions # ! # character(*),intent(in):: in ! Comment blocks for the arguments. # character(*),intent(out),allocatable,target :: in # ! Comment blocks can be # ! written under Fortran statements. # # character(32) :: file ! This comment parsed as a variable in below NAMELIST. # integer :: id # # namelist /varinfo_nml/ file, id # ! # ! Comment blocks for the NAMELISTs. # ! Information about variables are described above. # ! # # .... # # end subroutine hoge # # integer function foo( in ) # ! # ! This part is considered as comment block. # # ! Comment blocks under blank lines are ignored. # ! # integer, intent(in):: inA ! This part is considered as comment block. # # ! This part is ignored. # # end function foo # # subroutine hide( in, & # & out ) !:nodoc: # ! # ! If "!:nodoc:" is described at end-of-line in subroutine # ! statement as above, the subroutine is ignored. # ! This assignment can be used to modules, subroutines, # ! functions, variables, constants, derived-types, # ! defined operators, defined assignments, # ! list of imported modules ("use" statement). # ! # # .... # # end subroutine hide # # end module hogehoge # require "rdoc/code_objects" module RDoc class Token NO_TEXT = "??".freeze def initialize(line_no, char_no) @line_no = line_no @char_no = char_no @text = NO_TEXT end # Because we're used in contexts that expect to return a token, # we set the text string and then return ourselves def set_text(text) @text = text self end attr_reader :line_no, :char_no, :text end # See rdoc/parsers/parse_f95.rb class Fortran95parser extend ParserFactory parse_files_matching(/\.((f|F)9(0|5)|F)$/) @@external_aliases = [] @@public_methods = [] # "false":: Comments are below source code # "true" :: Comments are upper source code COMMENTS_ARE_UPPER = false # Internal alias message INTERNAL_ALIAS_MES = "Alias for" # External alias message EXTERNAL_ALIAS_MES = "The entity is" # prepare to parse a Fortran 95 file def initialize(top_level, file_name, body, options, stats) @body = body @stats = stats @file_name = file_name @options = options @top_level = top_level @progress = $stderr unless options.quiet end # define code constructs def scan # remove private comment remaining_code = remove_private_comments(@body) # continuation lines are united to one line remaining_code = united_to_one_line(remaining_code) # semicolons are replaced to line feed remaining_code = semicolon_to_linefeed(remaining_code) # collect comment for file entity whole_comment, remaining_code = collect_first_comment(remaining_code) @top_level.comment = whole_comment # String "remaining_code" is converted to Array "remaining_lines" remaining_lines = remaining_code.split("\n") # "module" or "program" parts are parsed (new) # level_depth = 0 block_searching_flag = nil block_searching_lines = [] pre_comment = [] module_program_trailing = "" module_program_name = "" other_block_level_depth = 0 other_block_searching_flag = nil remaining_lines.collect!{|line| if !block_searching_flag && !other_block_searching_flag if line =~ /^\s*?module\s+(\w+)\s*?(!.*?)?$/i block_searching_flag = :module block_searching_lines << line module_program_name = $1 module_program_trailing = find_comments($2) next false elsif line =~ /^\s*?program\s+(\w+)\s*?(!.*?)?$/i || line =~ /^\s*?\w/ && !block_start?(line) block_searching_flag = :program block_searching_lines << line module_program_name = $1 || "" module_program_trailing = find_comments($2) next false elsif block_start?(line) other_block_searching_flag = true next line elsif line =~ /^\s*?!\s?(.*)/ pre_comment << line next line else pre_comment = [] next line end elsif other_block_searching_flag other_block_level_depth += 1 if block_start?(line) other_block_level_depth -= 1 if block_end?(line) if other_block_level_depth < 0 other_block_level_depth = 0 other_block_searching_flag = nil end next line end block_searching_lines << line level_depth += 1 if block_start?(line) level_depth -= 1 if block_end?(line) if level_depth >= 0 next false end # "module_program_code" is formatted. # ":nodoc:" flag is checked. # module_program_code = block_searching_lines.join("\n") module_program_code = remove_empty_head_lines(module_program_code) if module_program_trailing =~ /^:nodoc:/ # next loop to search next block level_depth = 0 block_searching_flag = false block_searching_lines = [] pre_comment = [] next false end # NormalClass is created, and added to @top_level # if block_searching_flag == :module module_name = module_program_name module_code = module_program_code module_trailing = module_program_trailing progress "m" @stats.num_modules += 1 f9x_module = @top_level.add_module NormalClass, module_name f9x_module.record_location @top_level f9x_comment = COMMENTS_ARE_UPPER ? find_comments(pre_comment.join("\n")) + "\n" + module_trailing : module_trailing + "\n" + find_comments(module_code.sub(/^.*$\n/i, '')) f9x_module.comment = f9x_comment parse_program_or_module(f9x_module, module_code) TopLevel.all_files.each do |name, toplevel| if toplevel.include_includes?(module_name, @options.ignore_case) if !toplevel.include_requires?(@file_name, @options.ignore_case) toplevel.add_require(Require.new(@file_name, "")) end end toplevel.each_classmodule{|m| if m.include_includes?(module_name, @options.ignore_case) if !m.include_requires?(@file_name, @options.ignore_case) m.add_require(Require.new(@file_name, "")) end end } end elsif block_searching_flag == :program program_name = module_program_name program_code = module_program_code program_trailing = module_program_trailing progress "p" program_comment = COMMENTS_ARE_UPPER ? find_comments(pre_comment.join("\n")) + "\n" + program_trailing : program_trailing + "\n" + find_comments(program_code.sub(/^.*$\n/i, '')) program_comment = "\n\n= <i>Program</i> <tt>#{program_name}</tt>\n\n" \ + program_comment @top_level.comment << program_comment parse_program_or_module(@top_level, program_code, :private) end # next loop to search next block level_depth = 0 block_searching_flag = false block_searching_lines = [] pre_comment = [] next false } remaining_lines.delete_if{ |line| line == false } # External subprograms and functions are parsed # parse_program_or_module(@top_level, remaining_lines.join("\n"), :public, true) @top_level end # End of scan private def parse_program_or_module(container, code, visibility=:public, external=nil) return unless container return unless code remaining_lines = code.split("\n") remaining_code = "#{code}" # # Parse variables before "contains" in module # level_depth = 0 before_contains_lines = [] before_contains_code = nil before_contains_flag = nil remaining_lines.each{ |line| if !before_contains_flag if line =~ /^\s*?module\s+\w+\s*?(!.*?)?$/i before_contains_flag = true end else break if line =~ /^\s*?contains\s*?(!.*?)?$/i level_depth += 1 if block_start?(line) level_depth -= 1 if block_end?(line) break if level_depth < 0 before_contains_lines << line end } before_contains_code = before_contains_lines.join("\n") if before_contains_code before_contains_code.gsub!(/^\s*?interface\s+.*?\s+end\s+interface.*?$/im, "") before_contains_code.gsub!(/^\s*?type[\s\,]+.*?\s+end\s+type.*?$/im, "") end # # Parse global "use" # use_check_code = "#{before_contains_code}" cascaded_modules_list = [] while use_check_code =~ /^\s*?use\s+(\w+)(.*?)(!.*?)?$/i use_check_code = $~.pre_match use_check_code << $~.post_match used_mod_name = $1.strip.chomp used_list = $2 || "" used_trailing = $3 || "" next if used_trailing =~ /!:nodoc:/ if !container.include_includes?(used_mod_name, @options.ignore_case) progress "." container.add_include Include.new(used_mod_name, "") end if ! (used_list =~ /\,\s*?only\s*?:/i ) cascaded_modules_list << "\#" + used_mod_name end end # # Parse public and private, and store information. # This information is used when "add_method" and # "set_visibility_for" are called. # visibility_default, visibility_info = parse_visibility(remaining_lines.join("\n"), visibility, container) @@public_methods.concat visibility_info if visibility_default == :public if !cascaded_modules_list.empty? cascaded_modules = Attr.new("Cascaded Modules", "Imported modules all of whose components are published again", "", cascaded_modules_list.join(", ")) container.add_attribute(cascaded_modules) end end # # Check rename elements # use_check_code = "#{before_contains_code}" while use_check_code =~ /^\s*?use\s+(\w+)\s*?\,(.+)$/i use_check_code = $~.pre_match use_check_code << $~.post_match used_mod_name = $1.strip.chomp used_elements = $2.sub(/\s*?only\s*?:\s*?/i, '') used_elements.split(",").each{ |used| if /\s*?(\w+)\s*?=>\s*?(\w+)\s*?/ =~ used local = $1 org = $2 @@public_methods.collect!{ |pub_meth| if local == pub_meth["name"] || local.upcase == pub_meth["name"].upcase && @options.ignore_case pub_meth["name"] = org pub_meth["local_name"] = local end pub_meth } end } end # # Parse private "use" # use_check_code = remaining_lines.join("\n") while use_check_code =~ /^\s*?use\s+(\w+)(.*?)(!.*?)?$/i use_check_code = $~.pre_match use_check_code << $~.post_match used_mod_name = $1.strip.chomp used_trailing = $3 || "" next if used_trailing =~ /!:nodoc:/ if !container.include_includes?(used_mod_name, @options.ignore_case) progress "." container.add_include Include.new(used_mod_name, "") end end container.each_includes{ |inc| TopLevel.all_files.each do |name, toplevel| indicated_mod = toplevel.find_symbol(inc.name, nil, @options.ignore_case) if indicated_mod indicated_name = indicated_mod.parent.file_relative_name if !container.include_requires?(indicated_name, @options.ignore_case) container.add_require(Require.new(indicated_name, "")) end break end end } # # Parse derived-types definitions # derived_types_comment = "" remaining_code = remaining_lines.join("\n") while remaining_code =~ /^\s*? type[\s\,]+(public|private)?\s*?(::)?\s*? (\w+)\s*?(!.*?)?$ (.*?) ^\s*?end\s+type.*?$ /imx remaining_code = $~.pre_match remaining_code << $~.post_match typename = $3.chomp.strip type_elements = $5 || "" type_code = remove_empty_head_lines($&) type_trailing = find_comments($4) next if type_trailing =~ /^:nodoc:/ type_visibility = $1 type_comment = COMMENTS_ARE_UPPER ? find_comments($~.pre_match) + "\n" + type_trailing : type_trailing + "\n" + find_comments(type_code.sub(/^.*$\n/i, '')) type_element_visibility_public = true type_code.split("\n").each{ |line| if /^\s*?private\s*?$/ =~ line type_element_visibility_public = nil break end } if type_code args_comment = "" type_args_info = nil if @options.show_all args_comment = find_arguments(nil, type_code, true) else type_public_args_list = [] type_args_info = definition_info(type_code) type_args_info.each{ |arg| arg_is_public = type_element_visibility_public arg_is_public = true if arg.include_attr?("public") arg_is_public = nil if arg.include_attr?("private") type_public_args_list << arg.varname if arg_is_public } args_comment = find_arguments(type_public_args_list, type_code) end type = AnyMethod.new("type #{typename}", typename) type.singleton = false type.params = "" type.comment = "<b><em> Derived Type </em></b> :: <tt></tt>\n" type.comment << args_comment if args_comment type.comment << type_comment if type_comment progress "t" @stats.num_methods += 1 container.add_method type set_visibility(container, typename, visibility_default, @@public_methods) if type_visibility type_visibility.gsub!(/\s/,'') type_visibility.gsub!(/\,/,'') type_visibility.gsub!(/:/,'') type_visibility.downcase! if type_visibility == "public" container.set_visibility_for([typename], :public) elsif type_visibility == "private" container.set_visibility_for([typename], :private) end end check_public_methods(type, container.name) if @options.show_all derived_types_comment << ", " unless derived_types_comment.empty? derived_types_comment << typename else if type.visibility == :public derived_types_comment << ", " unless derived_types_comment.empty? derived_types_comment << typename end end end if !derived_types_comment.empty? derived_types_table = Attr.new("Derived Types", "Derived_Types", "", derived_types_comment) container.add_attribute(derived_types_table) end # # move interface scope # interface_code = "" while remaining_code =~ /^\s*? interface( \s+\w+ | \s+operator\s*?\(.*?\) | \s+assignment\s*?\(\s*?=\s*?\) )?\s*?$ (.*?) ^\s*?end\s+interface.*?$ /imx interface_code << remove_empty_head_lines($&) + "\n" remaining_code = $~.pre_match remaining_code << $~.post_match end # # Parse global constants or variables in modules # const_var_defs = definition_info(before_contains_code) const_var_defs.each{|defitem| next if defitem.nodoc const_or_var_type = "Variable" const_or_var_progress = "v" if defitem.include_attr?("parameter") const_or_var_type = "Constant" const_or_var_progress = "c" end const_or_var = AnyMethod.new(const_or_var_type, defitem.varname) const_or_var.singleton = false const_or_var.params = "" self_comment = find_arguments([defitem.varname], before_contains_code) const_or_var.comment = "<b><em>" + const_or_var_type + "</em></b> :: <tt></tt>\n" const_or_var.comment << self_comment if self_comment progress const_or_var_progress @stats.num_methods += 1 container.add_method const_or_var set_visibility(container, defitem.varname, visibility_default, @@public_methods) if defitem.include_attr?("public") container.set_visibility_for([defitem.varname], :public) elsif defitem.include_attr?("private") container.set_visibility_for([defitem.varname], :private) end check_public_methods(const_or_var, container.name) } if const_var_defs remaining_lines = remaining_code.split("\n") # "subroutine" or "function" parts are parsed (new) # level_depth = 0 block_searching_flag = nil block_searching_lines = [] pre_comment = [] procedure_trailing = "" procedure_name = "" procedure_params = "" procedure_prefix = "" procedure_result_arg = "" procedure_type = "" contains_lines = [] contains_flag = nil remaining_lines.collect!{|line| if !block_searching_flag # subroutine if line =~ /^\s*? (recursive|pure|elemental)?\s*? subroutine\s+(\w+)\s*?(\(.*?\))?\s*?(!.*?)?$ /ix block_searching_flag = :subroutine block_searching_lines << line procedure_name = $2.chomp.strip procedure_params = $3 || "" procedure_prefix = $1 || "" procedure_trailing = $4 || "!" next false # function elsif line =~ /^\s*? (recursive|pure|elemental)?\s*? ( character\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | type\s*?\([\w\s]+?\)\s+ | integer\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | real\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | double\s+precision\s+ | logical\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | complex\s*?(\([\w\s\=\(\)\*]+?\))?\s+ )? function\s+(\w+)\s*? (\(.*?\))?(\s+result\((.*?)\))?\s*?(!.*?)?$ /ix block_searching_flag = :function block_searching_lines << line procedure_prefix = $1 || "" procedure_type = $2 ? $2.chomp.strip : nil procedure_name = $8.chomp.strip procedure_params = $9 || "" procedure_result_arg = $11 ? $11.chomp.strip : procedure_name procedure_trailing = $12 || "!" next false elsif line =~ /^\s*?!\s?(.*)/ pre_comment << line next line else pre_comment = [] next line end end contains_flag = true if line =~ /^\s*?contains\s*?(!.*?)?$/ block_searching_lines << line contains_lines << line if contains_flag level_depth += 1 if block_start?(line) level_depth -= 1 if block_end?(line) if level_depth >= 0 next false end # "procedure_code" is formatted. # ":nodoc:" flag is checked. # procedure_code = block_searching_lines.join("\n") procedure_code = remove_empty_head_lines(procedure_code) if procedure_trailing =~ /^!:nodoc:/ # next loop to search next block level_depth = 0 block_searching_flag = nil block_searching_lines = [] pre_comment = [] procedure_trailing = "" procedure_name = "" procedure_params = "" procedure_prefix = "" procedure_result_arg = "" procedure_type = "" contains_lines = [] contains_flag = nil next false end # AnyMethod is created, and added to container # subroutine_function = nil if block_searching_flag == :subroutine subroutine_prefix = procedure_prefix subroutine_name = procedure_name subroutine_params = procedure_params subroutine_trailing = procedure_trailing subroutine_code = procedure_code subroutine_comment = COMMENTS_ARE_UPPER ? pre_comment.join("\n") + "\n" + subroutine_trailing : subroutine_trailing + "\n" + subroutine_code.sub(/^.*$\n/i, '') subroutine = AnyMethod.new("subroutine", subroutine_name) parse_subprogram(subroutine, subroutine_params, subroutine_comment, subroutine_code, before_contains_code, nil, subroutine_prefix) progress "s" @stats.num_methods += 1 container.add_method subroutine subroutine_function = subroutine elsif block_searching_flag == :function function_prefix = procedure_prefix function_type = procedure_type function_name = procedure_name function_params_org = procedure_params function_result_arg = procedure_result_arg function_trailing = procedure_trailing function_code_org = procedure_code function_comment = COMMENTS_ARE_UPPER ? pre_comment.join("\n") + "\n" + function_trailing : function_trailing + "\n " + function_code_org.sub(/^.*$\n/i, '') function_code = "#{function_code_org}" if function_type function_code << "\n" + function_type + " :: " + function_result_arg end function_params = function_params_org.sub(/^\(/, "\(#{function_result_arg}, ") function = AnyMethod.new("function", function_name) parse_subprogram(function, function_params, function_comment, function_code, before_contains_code, true, function_prefix) # Specific modification due to function function.params.sub!(/\(\s*?#{function_result_arg}\s*?,\s*?/, "\( ") function.params << " result(" + function_result_arg + ")" function.start_collecting_tokens function.add_token Token.new(1,1).set_text(function_code_org) progress "f" @stats.num_methods += 1 container.add_method function subroutine_function = function end # The visibility of procedure is specified # set_visibility(container, procedure_name, visibility_default, @@public_methods) # The alias for this procedure from external modules # check_external_aliases(procedure_name, subroutine_function.params, subroutine_function.comment, subroutine_function) if external check_public_methods(subroutine_function, container.name) # contains_lines are parsed as private procedures if contains_flag parse_program_or_module(container, contains_lines.join("\n"), :private) end # next loop to search next block level_depth = 0 block_searching_flag = nil block_searching_lines = [] pre_comment = [] procedure_trailing = "" procedure_name = "" procedure_params = "" procedure_prefix = "" procedure_result_arg = "" contains_lines = [] contains_flag = nil next false } # End of remaining_lines.collect!{|line| # Array remains_lines is converted to String remains_code again # remaining_code = remaining_lines.join("\n") # # Parse interface # interface_scope = false generic_name = "" interface_code.split("\n").each{ |line| if /^\s*? interface( \s+\w+| \s+operator\s*?\(.*?\)| \s+assignment\s*?\(\s*?=\s*?\) )? \s*?(!.*?)?$ /ix =~ line generic_name = $1 ? $1.strip.chomp : nil interface_trailing = $2 || "!" interface_scope = true interface_scope = false if interface_trailing =~ /!:nodoc:/ # if generic_name =~ /operator\s*?\((.*?)\)/i # operator_name = $1 # if operator_name && !operator_name.empty? # generic_name = "#{operator_name}" # end # end # if generic_name =~ /assignment\s*?\((.*?)\)/i # assignment_name = $1 # if assignment_name && !assignment_name.empty? # generic_name = "#{assignment_name}" # end # end end if /^\s*?end\s+interface/i =~ line interface_scope = false generic_name = nil end # internal alias if interface_scope && /^\s*?module\s+procedure\s+(.*?)(!.*?)?$/i =~ line procedures = $1.strip.chomp procedures_trailing = $2 || "!" next if procedures_trailing =~ /!:nodoc:/ procedures.split(",").each{ |proc| proc.strip! proc.chomp! next if generic_name == proc || !generic_name old_meth = container.find_symbol(proc, nil, @options.ignore_case) next if !old_meth nolink = old_meth.visibility == :private ? true : nil nolink = nil if @options.show_all new_meth = initialize_external_method(generic_name, proc, old_meth.params, nil, old_meth.comment, old_meth.clone.token_stream[0].text, true, nolink) new_meth.singleton = old_meth.singleton progress "i" @stats.num_methods += 1 container.add_method new_meth set_visibility(container, generic_name, visibility_default, @@public_methods) check_public_methods(new_meth, container.name) } end # external aliases if interface_scope # subroutine proc = nil params = nil procedures_trailing = nil if line =~ /^\s*? (recursive|pure|elemental)?\s*? subroutine\s+(\w+)\s*?(\(.*?\))?\s*?(!.*?)?$ /ix proc = $2.chomp.strip generic_name = proc unless generic_name params = $3 || "" procedures_trailing = $4 || "!" # function elsif line =~ /^\s*? (recursive|pure|elemental)?\s*? ( character\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | type\s*?\([\w\s]+?\)\s+ | integer\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | real\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | double\s+precision\s+ | logical\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | complex\s*?(\([\w\s\=\(\)\*]+?\))?\s+ )? function\s+(\w+)\s*? (\(.*?\))?(\s+result\((.*?)\))?\s*?(!.*?)?$ /ix proc = $8.chomp.strip generic_name = proc unless generic_name params = $9 || "" procedures_trailing = $12 || "!" else next end next if procedures_trailing =~ /!:nodoc:/ indicated_method = nil indicated_file = nil TopLevel.all_files.each do |name, toplevel| indicated_method = toplevel.find_local_symbol(proc, @options.ignore_case) indicated_file = name break if indicated_method end if indicated_method external_method = initialize_external_method(generic_name, proc, indicated_method.params, indicated_file, indicated_method.comment) progress "e" @stats.num_methods += 1 container.add_method external_method set_visibility(container, generic_name, visibility_default, @@public_methods) if !container.include_requires?(indicated_file, @options.ignore_case) container.add_require(Require.new(indicated_file, "")) end check_public_methods(external_method, container.name) else @@external_aliases << { "new_name" => generic_name, "old_name" => proc, "file_or_module" => container, "visibility" => find_visibility(container, generic_name, @@public_methods) || visibility_default } end end } if interface_code # End of interface_code.split("\n").each ... # # Already imported methods are removed from @@public_methods. # Remainders are assumed to be imported from other modules. # @@public_methods.delete_if{ |method| method["entity_is_discovered"]} @@public_methods.each{ |pub_meth| next unless pub_meth["file_or_module"].name == container.name pub_meth["used_modules"].each{ |used_mod| TopLevel.all_classes_and_modules.each{ |modules| if modules.name == used_mod || modules.name.upcase == used_mod.upcase && @options.ignore_case modules.method_list.each{ |meth| if meth.name == pub_meth["name"] || meth.name.upcase == pub_meth["name"].upcase && @options.ignore_case new_meth = initialize_public_method(meth, modules.name) if pub_meth["local_name"] new_meth.name = pub_meth["local_name"] end progress "e" @stats.num_methods += 1 container.add_method new_meth end } end } } } container end # End of parse_program_or_module # # Parse arguments, comment, code of subroutine and function. # Return AnyMethod object. # def parse_subprogram(subprogram, params, comment, code, before_contains=nil, function=nil, prefix=nil) subprogram.singleton = false prefix = "" if !prefix arguments = params.sub(/\(/, "").sub(/\)/, "").split(",") if params args_comment, params_opt = find_arguments(arguments, code.sub(/^s*?contains\s*?(!.*?)?$.*/im, ""), nil, nil, true) params_opt = "( " + params_opt + " ) " if params_opt subprogram.params = params_opt || "" namelist_comment = find_namelists(code, before_contains) block_comment = find_comments comment if function subprogram.comment = "<b><em> Function </em></b> :: <em>#{prefix}</em>\n" else subprogram.comment = "<b><em> Subroutine </em></b> :: <em>#{prefix}</em>\n" end subprogram.comment << args_comment if args_comment subprogram.comment << block_comment if block_comment subprogram.comment << namelist_comment if namelist_comment # For output source code subprogram.start_collecting_tokens subprogram.add_token Token.new(1,1).set_text(code) subprogram end # # Collect comment for file entity # def collect_first_comment(body) comment = "" not_comment = "" comment_start = false comment_end = false body.split("\n").each{ |line| if comment_end not_comment << line not_comment << "\n" elsif /^\s*?!\s?(.*)$/i =~ line comment_start = true comment << $1 comment << "\n" elsif /^\s*?$/i =~ line comment_end = true if comment_start && COMMENTS_ARE_UPPER else comment_end = true not_comment << line not_comment << "\n" end } return comment, not_comment end # Return comments of definitions of arguments # # If "all" argument is true, information of all arguments are returned. # If "modified_params" is true, list of arguments are decorated, # for example, optional arguments are parenthetic as "[arg]". # def find_arguments(args, text, all=nil, indent=nil, modified_params=nil) return unless args || all indent = "" unless indent args = ["all"] if all params = "" if modified_params comma = "" return unless text args_rdocforms = "\n" remaining_lines = "#{text}" definitions = definition_info(remaining_lines) args.each{ |arg| arg.strip! arg.chomp! definitions.each { |defitem| if arg == defitem.varname.strip.chomp || all args_rdocforms << <<-"EOF" #{indent}<tt><b>#{defitem.varname.chomp.strip}#{defitem.arraysuffix}</b> #{defitem.inivalue}</tt> :: #{indent} <tt>#{defitem.types.chomp.strip}</tt> EOF if !defitem.comment.chomp.strip.empty? comment = "" defitem.comment.split("\n").each{ |line| comment << " " + line + "\n" } args_rdocforms << <<-"EOF" #{indent} <tt></tt> :: #{indent} <tt></tt> #{indent} #{comment.chomp.strip} EOF end if modified_params if defitem.include_attr?("optional") params << "#{comma}[#{arg}]" else params << "#{comma}#{arg}" end comma = ", " end end } } if modified_params return args_rdocforms, params else return args_rdocforms end end # Return comments of definitions of namelists # def find_namelists(text, before_contains=nil) return nil if !text result = "" lines = "#{text}" before_contains = "" if !before_contains while lines =~ /^\s*?namelist\s+\/\s*?(\w+)\s*?\/([\s\w\,]+)$/i lines = $~.post_match nml_comment = COMMENTS_ARE_UPPER ? find_comments($~.pre_match) : find_comments($~.post_match) nml_name = $1 nml_args = $2.split(",") result << "\n\n=== NAMELIST <tt><b>" + nml_name + "</tt></b>\n\n" result << nml_comment + "\n" if nml_comment if lines.split("\n")[0] =~ /^\//i lines = "namelist " + lines end result << find_arguments(nml_args, "#{text}" + "\n" + before_contains) end return result end # # Comments just after module or subprogram, or arguments are # returned. If "COMMENTS_ARE_UPPER" is true, comments just before # modules or subprograms are returned # def find_comments text return "" unless text lines = text.split("\n") lines.reverse! if COMMENTS_ARE_UPPER comment_block = Array.new lines.each do |line| break if line =~ /^\s*?\w/ || line =~ /^\s*?$/ if COMMENTS_ARE_UPPER comment_block.unshift line.sub(/^\s*?!\s?/,"") else comment_block.push line.sub(/^\s*?!\s?/,"") end end nice_lines = comment_block.join("\n").split "\n\s*?\n" nice_lines[0] ||= "" nice_lines.shift end def progress(char) unless @options.quiet @progress.print(char) @progress.flush end end # # Create method for internal alias # def initialize_public_method(method, parent) return if !method || !parent new_meth = AnyMethod.new("External Alias for module", method.name) new_meth.singleton = method.singleton new_meth.params = method.params.clone new_meth.comment = remove_trailing_alias(method.comment.clone) new_meth.comment << "\n\n#{EXTERNAL_ALIAS_MES} #{parent.strip.chomp}\##{method.name}" return new_meth end # # Create method for external alias # # If argument "internal" is true, file is ignored. # def initialize_external_method(new, old, params, file, comment, token=nil, internal=nil, nolink=nil) return nil unless new || old if internal external_alias_header = "#{INTERNAL_ALIAS_MES} " external_alias_text = external_alias_header + old elsif file external_alias_header = "#{EXTERNAL_ALIAS_MES} " external_alias_text = external_alias_header + file + "#" + old else return nil end external_meth = AnyMethod.new(external_alias_text, new) external_meth.singleton = false external_meth.params = params external_comment = remove_trailing_alias(comment) + "\n\n" if comment external_meth.comment = external_comment || "" if nolink && token external_meth.start_collecting_tokens external_meth.add_token Token.new(1,1).set_text(token) else external_meth.comment << external_alias_text end return external_meth end # # Parse visibility # def parse_visibility(code, default, container) result = [] visibility_default = default || :public used_modules = [] container.includes.each{|i| used_modules << i.name} if container remaining_code = code.gsub(/^\s*?type[\s\,]+.*?\s+end\s+type.*?$/im, "") remaining_code.split("\n").each{ |line| if /^\s*?private\s*?$/ =~ line visibility_default = :private break end } if remaining_code remaining_code.split("\n").each{ |line| if /^\s*?private\s*?(::)?\s+(.*)\s*?(!.*?)?/i =~ line methods = $2.sub(/!.*$/, '') methods.split(",").each{ |meth| meth.sub!(/!.*$/, '') meth.gsub!(/:/, '') result << { "name" => meth.chomp.strip, "visibility" => :private, "used_modules" => used_modules.clone, "file_or_module" => container, "entity_is_discovered" => nil, "local_name" => nil } } elsif /^\s*?public\s*?(::)?\s+(.*)\s*?(!.*?)?/i =~ line methods = $2.sub(/!.*$/, '') methods.split(",").each{ |meth| meth.sub!(/!.*$/, '') meth.gsub!(/:/, '') result << { "name" => meth.chomp.strip, "visibility" => :public, "used_modules" => used_modules.clone, "file_or_module" => container, "entity_is_discovered" => nil, "local_name" => nil } } end } if remaining_code if container result.each{ |vis_info| vis_info["parent"] = container.name } end return visibility_default, result end # # Set visibility # # "subname" element of "visibility_info" is deleted. # def set_visibility(container, subname, visibility_default, visibility_info) return unless container || subname || visibility_default || visibility_info not_found = true visibility_info.collect!{ |info| if info["name"] == subname || @options.ignore_case && info["name"].upcase == subname.upcase if info["file_or_module"].name == container.name container.set_visibility_for([subname], info["visibility"]) info["entity_is_discovered"] = true not_found = false end end info } if not_found return container.set_visibility_for([subname], visibility_default) else return container end end # # Find visibility # def find_visibility(container, subname, visibility_info) return nil if !subname || !visibility_info visibility_info.each{ |info| if info["name"] == subname || @options.ignore_case && info["name"].upcase == subname.upcase if info["parent"] == container.name return info["visibility"] end end } return nil end # # Check external aliases # def check_external_aliases(subname, params, comment, test=nil) @@external_aliases.each{ |alias_item| if subname == alias_item["old_name"] || subname.upcase == alias_item["old_name"].upcase && @options.ignore_case new_meth = initialize_external_method(alias_item["new_name"], subname, params, @file_name, comment) new_meth.visibility = alias_item["visibility"] progress "e" @stats.num_methods += 1 alias_item["file_or_module"].add_method(new_meth) if !alias_item["file_or_module"].include_requires?(@file_name, @options.ignore_case) alias_item["file_or_module"].add_require(Require.new(@file_name, "")) end end } end # # Check public_methods # def check_public_methods(method, parent) return if !method || !parent @@public_methods.each{ |alias_item| parent_is_used_module = nil alias_item["used_modules"].each{ |used_module| if used_module == parent || used_module.upcase == parent.upcase && @options.ignore_case parent_is_used_module = true end } next if !parent_is_used_module if method.name == alias_item["name"] || method.name.upcase == alias_item["name"].upcase && @options.ignore_case new_meth = initialize_public_method(method, parent) if alias_item["local_name"] new_meth.name = alias_item["local_name"] end progress "e" @stats.num_methods += 1 alias_item["file_or_module"].add_method new_meth end } end # # Continuous lines are united. # # Comments in continuous lines are removed. # def united_to_one_line(f90src) return "" unless f90src lines = f90src.split("\n") previous_continuing = false now_continuing = false body = "" lines.each{ |line| words = line.split("") next if words.empty? && previous_continuing commentout = false brank_flag = true ; brank_char = "" squote = false ; dquote = false ignore = false words.collect! { |char| if previous_continuing && brank_flag now_continuing = true ignore = true case char when "!" ; break when " " ; brank_char << char ; next "" when "&" brank_flag = false now_continuing = false next "" else brank_flag = false now_continuing = false ignore = false next brank_char + char end end ignore = false if now_continuing next "" elsif !(squote) && !(dquote) && !(commentout) case char when "!" ; commentout = true ; next char when "\""; dquote = true ; next char when "\'"; squote = true ; next char when "&" ; now_continuing = true ; next "" else next char end elsif commentout next char elsif squote case char when "\'"; squote = false ; next char else next char end elsif dquote case char when "\""; dquote = false ; next char else next char end end } if !ignore && !previous_continuing || !brank_flag if previous_continuing body << words.join("") else body << "\n" + words.join("") end end previous_continuing = now_continuing ? true : nil now_continuing = nil } return body end # # Continuous line checker # def continuous_line?(line) continuous = false if /&\s*?(!.*)?$/ =~ line continuous = true if comment_out?($~.pre_match) continuous = false end end return continuous end # # Comment out checker # def comment_out?(line) return nil unless line commentout = false squote = false ; dquote = false line.split("").each { |char| if !(squote) && !(dquote) case char when "!" ; commentout = true ; break when "\""; dquote = true when "\'"; squote = true else next end elsif squote case char when "\'"; squote = false else next end elsif dquote case char when "\""; dquote = false else next end end } return commentout end # # Semicolons are replaced to line feed. # def semicolon_to_linefeed(text) return "" unless text lines = text.split("\n") lines.collect!{ |line| words = line.split("") commentout = false squote = false ; dquote = false words.collect! { |char| if !(squote) && !(dquote) && !(commentout) case char when "!" ; commentout = true ; next char when "\""; dquote = true ; next char when "\'"; squote = true ; next char when ";" ; "\n" else next char end elsif commentout next char elsif squote case char when "\'"; squote = false ; next char else next char end elsif dquote case char when "\""; dquote = false ; next char else next char end end } words.join("") } return lines.join("\n") end # # Which "line" is start of block (module, program, block data, # subroutine, function) statement ? # def block_start?(line) return nil if !line if line =~ /^\s*?module\s+(\w+)\s*?(!.*?)?$/i || line =~ /^\s*?program\s+(\w+)\s*?(!.*?)?$/i || line =~ /^\s*?block\s+data(\s+\w+)?\s*?(!.*?)?$/i || line =~ \ /^\s*? (recursive|pure|elemental)?\s*? subroutine\s+(\w+)\s*?(\(.*?\))?\s*?(!.*?)?$ /ix || line =~ \ /^\s*? (recursive|pure|elemental)?\s*? ( character\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | type\s*?\([\w\s]+?\)\s+ | integer\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | real\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | double\s+precision\s+ | logical\s*?(\([\w\s\=\(\)\*]+?\))?\s+ | complex\s*?(\([\w\s\=\(\)\*]+?\))?\s+ )? function\s+(\w+)\s*? (\(.*?\))?(\s+result\((.*?)\))?\s*?(!.*?)?$ /ix return true end return nil end # # Which "line" is end of block (module, program, block data, # subroutine, function) statement ? # def block_end?(line) return nil if !line if line =~ /^\s*?end\s*?(!.*?)?$/i || line =~ /^\s*?end\s+module(\s+\w+)?\s*?(!.*?)?$/i || line =~ /^\s*?end\s+program(\s+\w+)?\s*?(!.*?)?$/i || line =~ /^\s*?end\s+block\s+data(\s+\w+)?\s*?(!.*?)?$/i || line =~ /^\s*?end\s+subroutine(\s+\w+)?\s*?(!.*?)?$/i || line =~ /^\s*?end\s+function(\s+\w+)?\s*?(!.*?)?$/i return true end return nil end # # Remove "Alias for" in end of comments # def remove_trailing_alias(text) return "" if !text lines = text.split("\n").reverse comment_block = Array.new checked = false lines.each do |line| if !checked if /^\s?#{INTERNAL_ALIAS_MES}/ =~ line || /^\s?#{EXTERNAL_ALIAS_MES}/ =~ line checked = true next end end comment_block.unshift line end nice_lines = comment_block.join("\n") nice_lines ||= "" return nice_lines end # Empty lines in header are removed def remove_empty_head_lines(text) return "" unless text lines = text.split("\n") header = true lines.delete_if{ |line| header = false if /\S/ =~ line header && /^\s*?$/ =~ line } lines.join("\n") end # header marker "=", "==", ... are removed def remove_header_marker(text) return text.gsub(/^\s?(=+)/, '<tt></tt>\1') end def remove_private_comments(body) body.gsub!(/^\s*!--\s*?$.*?^\s*!\+\+\s*?$/m, '') return body end # # Information of arguments of subroutines and functions in Fortran95 # class Fortran95Definition # Name of variable # attr_reader :varname # Types of variable # attr_reader :types # Initial Value # attr_reader :inivalue # Suffix of array # attr_reader :arraysuffix # Comments # attr_accessor :comment # Flag of non documentation # attr_accessor :nodoc def initialize(varname, types, inivalue, arraysuffix, comment, nodoc=false) @varname = varname @types = types @inivalue = inivalue @arraysuffix = arraysuffix @comment = comment @nodoc = nodoc end def to_s return <<-EOF <Fortran95Definition: varname=#{@varname}, types=#{types}, inivalue=#{@inivalue}, arraysuffix=#{@arraysuffix}, nodoc=#{@nodoc}, comment= #{@comment} > EOF end # # If attr is included, true is returned # def include_attr?(attr) return if !attr @types.split(",").each{ |type| return true if type.strip.chomp.upcase == attr.strip.chomp.upcase } return nil end end # End of Fortran95Definition # # Parse string argument "text", and Return Array of # Fortran95Definition object # def definition_info(text) return nil unless text lines = "#{text}" defs = Array.new comment = "" trailing_comment = "" under_comment_valid = false lines.split("\n").each{ |line| if /^\s*?!\s?(.*)/ =~ line if COMMENTS_ARE_UPPER comment << remove_header_marker($1) comment << "\n" elsif defs[-1] && under_comment_valid defs[-1].comment << "\n" defs[-1].comment << remove_header_marker($1) end next elsif /^\s*?$/ =~ line comment = "" under_comment_valid = false next end type = "" characters = "" if line =~ /^\s*? ( character\s*?(\([\w\s\=\(\)\*]+?\))?[\s\,]* | type\s*?\([\w\s]+?\)[\s\,]* | integer\s*?(\([\w\s\=\(\)\*]+?\))?[\s\,]* | real\s*?(\([\w\s\=\(\)\*]+?\))?[\s\,]* | double\s+precision[\s\,]* | logical\s*?(\([\w\s\=\(\)\*]+?\))?[\s\,]* | complex\s*?(\([\w\s\=\(\)\*]+?\))?[\s\,]* ) (.*?::)? (.+)$ /ix characters = $8 type = $1 type << $7.gsub(/::/, '').gsub(/^\s*?\,/, '') if $7 else under_comment_valid = false next end squote = false ; dquote = false ; bracket = 0 iniflag = false; commentflag = false varname = "" ; arraysuffix = "" ; inivalue = "" start_pos = defs.size characters.split("").each { |char| if !(squote) && !(dquote) && bracket <= 0 && !(iniflag) && !(commentflag) case char when "!" ; commentflag = true when "(" ; bracket += 1 ; arraysuffix = char when "\""; dquote = true when "\'"; squote = true when "=" ; iniflag = true ; inivalue << char when "," defs << Fortran95Definition.new(varname, type, inivalue, arraysuffix, comment) varname = "" ; arraysuffix = "" ; inivalue = "" under_comment_valid = true when " " ; next else ; varname << char end elsif commentflag comment << remove_header_marker(char) trailing_comment << remove_header_marker(char) elsif iniflag if dquote case char when "\"" ; dquote = false ; inivalue << char else ; inivalue << char end elsif squote case char when "\'" ; squote = false ; inivalue << char else ; inivalue << char end elsif bracket > 0 case char when "(" ; bracket += 1 ; inivalue << char when ")" ; bracket -= 1 ; inivalue << char else ; inivalue << char end else case char when "," defs << Fortran95Definition.new(varname, type, inivalue, arraysuffix, comment) varname = "" ; arraysuffix = "" ; inivalue = "" iniflag = false under_comment_valid = true when "(" ; bracket += 1 ; inivalue << char when "\""; dquote = true ; inivalue << char when "\'"; squote = true ; inivalue << char when "!" ; commentflag = true else ; inivalue << char end end elsif !(squote) && !(dquote) && bracket > 0 case char when "(" ; bracket += 1 ; arraysuffix << char when ")" ; bracket -= 1 ; arraysuffix << char else ; arraysuffix << char end elsif squote case char when "\'"; squote = false ; inivalue << char else ; inivalue << char end elsif dquote case char when "\""; dquote = false ; inivalue << char else ; inivalue << char end end } defs << Fortran95Definition.new(varname, type, inivalue, arraysuffix, comment) if trailing_comment =~ /^:nodoc:/ defs[start_pos..-1].collect!{ |defitem| defitem.nodoc = true } end varname = "" ; arraysuffix = "" ; inivalue = "" comment = "" under_comment_valid = true trailing_comment = "" } return defs end end # class Fortran95parser end # module RDoc