Class: Rcodetools::XMPFilter
- Inherits:
-
Object
- Object
- Rcodetools::XMPFilter
- Defined in:
- lib/rcodetools/xmpfilter.rb
Direct Known Subclasses
XMPAddMarkers, XMPCompletionFilter, XMPDocFilter, XMPTestUnitFilter
Defined Under Namespace
Classes: Interpreter, RuntimeData
Constant Summary collapse
- VERSION =
"0.8.0"
- MARKER =
"!XMP#{Time.new.to_i}_#{Process.pid}_#{rand(1000000)}!"
- XMP_RE =
Regexp.new("^" + Regexp.escape(MARKER) + '\[([0-9]+)\] (=>|~>|==>) (.*)')
- VAR =
"_xmp_#{Time.new.to_i}_#{Process.pid}_#{rand(1000000)}"
- WARNING_RE =
/.*:([0-9]+): warning: (.*)/
- INITIALIZE_OPTS =
{:interpreter => "ruby", :options => [], :libs => [], :include_paths => [], :warnings => true, :use_parentheses => true}
- INTERPRETER_RUBY =
Interpreter.new(["-w"], :execute_ruby, true, true, nil)
- INTERPRETER_RBTEST =
Interpreter.new(["-S", "rbtest"], :execute_script, false, false, nil)
- INTERPRETER_FORK =
Interpreter.new(["-S", "rct-fork-client"], :execute_tmpfile, false, true, lambda { Fork::chdir_fork_directory })
- SINGLE_LINE_RE =
/^(?!(?:\s+|(?:\s*#.+)?)# ?=>)(.*) # ?=>.*/
- MULTI_LINE_RE =
/^(.*)\n(( *)# ?=>.*(?:\n|\z))(?: *# .*\n)*/
Class Method Summary collapse
- .detect_rbtest(code, opts) ⇒ Object
-
.run(code, opts) ⇒ Object
The processor (overridable).
Instance Method Summary collapse
- #add_markers(code, min_codeline_size = 50) ⇒ Object
- #annotate(code) ⇒ Object
- #annotated_line(line, expression, runtime_data, idx) ⇒ Object
- #annotated_multi_line(line, expression, indent, runtime_data, idx) ⇒ Object
- #common_path(a, b) ⇒ Object
- #debugprint(*args) ⇒ Object
- #execute(code) ⇒ Object
- #execute_popen(code) ⇒ Object
- #execute_ruby(code) ⇒ Object
- #execute_script(code) ⇒ Object
- #execute_tmpfile(code) ⇒ Object
- #extract_data(output) ⇒ Object
- #final_decoration(code, output) ⇒ Object
- #get_test_method_from_lineno(filename, lineno) ⇒ Object
-
#initialize(opts = {}) ⇒ XMPFilter
constructor
A new instance of XMPFilter.
- #initialize_for_test_script(test_script, test_method, filename) ⇒ Object
- #initialize_rbtest ⇒ Object
- #initialize_rct_fork ⇒ Object
- #interpreter_command ⇒ Object
- #oneline_ize(code) ⇒ Object
- #prepare_line_annotation(expr, idx, multi_line = false) ⇒ Object (also: #prepare_line)
- #windows? ⇒ Boolean
Constructor Details
#initialize(opts = {}) ⇒ XMPFilter
Returns a new instance of XMPFilter.
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# File 'lib/rcodetools/xmpfilter.rb', line 49 def initialize(opts = {}) = INITIALIZE_OPTS.merge opts @interpreter_info = INTERPRETER_RUBY @interpreter = [:interpreter] @options = [:options] @libs = [:libs] @evals = [:evals] || [] @include_paths = [:include_paths] @output_stdout = [:output_stdout] @dump = [:dump] @warnings = [:warnings] @parentheses = [:use_parentheses] @ignore_NoMethodError = [:ignore_NoMethodError] test_script = [:test_script] test_method = [:test_method] filename = [:filename] @execute_ruby_tmpfile = [:execute_ruby_tmpfile] @postfix = "" @stdin_path = nil @width = [:width] initialize_rct_fork if [:detect_rct_fork] initialize_rbtest if [:use_rbtest] initialize_for_test_script test_script, test_method, filename if test_script and ![:use_rbtest] end |
Class Method Details
.detect_rbtest(code, opts) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 40 def self.detect_rbtest(code, opts) opts[:use_rbtest] ||= (opts[:detect_rbtest] and code =~ /^=begin test./) ? true : false end |
.run(code, opts) ⇒ Object
The processor (overridable)
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# File 'lib/rcodetools/xmpfilter.rb', line 45 def self.run(code, opts) new(opts).annotate(code) end |
Instance Method Details
#add_markers(code, min_codeline_size = 50) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 113 def add_markers(code, min_codeline_size = 50) maxlen = code.map{|x| x.size}.max maxlen = [min_codeline_size, maxlen + 2].max ret = "" code.each do |l| l = l.chomp.gsub(/ # (=>|!>).*/, "").gsub(/\s*$/, "") ret << (l + " " * (maxlen - l.size) + " # =>\n") end ret end |
#annotate(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 126 def annotate(code) idx = 0 newcode = code.gsub(SINGLE_LINE_RE){ prepare_line($1, idx += 1) } newcode.gsub!(MULTI_LINE_RE){ prepare_line($1, idx += 1, true)} File.open(@dump, "w"){|f| f.puts newcode} if @dump stdout, stderr = execute(newcode) output = stderr.readlines runtime_data = extract_data(output) idx = 0 annotated = code.gsub(SINGLE_LINE_RE) { |l| expr = $1 if /^\s*#/ =~ l l else annotated_line(l, expr, runtime_data, idx += 1) end } annotated.gsub!(/ # !>.*/, '') annotated.gsub!(/# (>>|~>)[^\n]*\n/m, ""); annotated.gsub!(MULTI_LINE_RE) { |l| annotated_multi_line(l, $1, $3, runtime_data, idx += 1) } ret = final_decoration(annotated, output) if @output_stdout and (s = stdout.read) != "" ret << s.inject(""){|s,line| s + "# >> #{line}".chomp + "\n" } end ret end |
#annotated_line(line, expression, runtime_data, idx) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 155 def annotated_line(line, expression, runtime_data, idx) "#{expression} # => " + (runtime_data.results[idx].map{|x| x[1]} || []).join(", ") end |
#annotated_multi_line(line, expression, indent, runtime_data, idx) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 159 def annotated_multi_line(line, expression, indent, runtime_data, idx) pretty = (runtime_data.results[idx].map{|x| x[1]} || []).join(", ") first, *rest = pretty.to_a rest.inject("#{expression}\n#{indent}# => #{first}") {|s, l| s << "#{indent}# " << l } end |
#common_path(a, b) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 109 def common_path(a, b) (a.split(File::Separator) & b.split(File::Separator)).join(File::Separator) end |
#debugprint(*args) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 333 def debugprint(*args) $stderr.puts(*args) if $DEBUG end |
#execute(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 273 def execute(code) __send__ @interpreter_info.execute_method, code end |
#execute_popen(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 242 def execute_popen(code) require 'open3' stdin, stdout, stderr = Open3::popen3(*interpreter_command) stdin.puts code @evals.each{|x| stdin.puts x } unless @evals.empty? stdin.close [stdout, stderr] end |
#execute_ruby(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 205 def execute_ruby(code) meth = (windows? or @execute_ruby_tmpfile) ? :execute_tmpfile : :execute_popen __send__ meth, code end |
#execute_script(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 251 def execute_script(code) path = File.("xmpfilter.tmpfile_#{Process.pid}.rb", Dir.tmpdir) File.open(path, "w"){|f| f.puts code} at_exit { File.unlink path if File.exist? path} stdout_path, stderr_path = (1..2).map do |i| fname = "xmpfilter.tmpfile_#{Process.pid}-#{i}.rb" File.(fname, Dir.tmpdir) end args = *(interpreter_command << %["#{path}"] << "2>" << %["#{stderr_path}"] << ">" << %["#{stdout_path}"]) system(args.join(" ")) [stdout_path, stderr_path].map do |fullname| f = File.open(fullname, "r") at_exit { f.close unless f.closed? File.unlink fullname if File.exist? fullname } f end end |
#execute_tmpfile(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 210 def execute_tmpfile(code) ios = %w[_ stdin stdout stderr] stdin, stdout, stderr = (1..3).map do |i| fname = if $DEBUG "xmpfilter.tmpfile_#{ios[i]}.rb" else "xmpfilter.tmpfile_#{Process.pid}-#{i}.rb" end f = File.open(fname, "w+") at_exit { f.close unless f.closed?; File.unlink fname unless $DEBUG} f end stdin.puts code stdin.close @stdin_path = File. stdin.path exe_line = <<-EOF.map{|l| l.strip}.join(";") $stdout.reopen('#{File.(stdout.path)}', 'w') $stderr.reopen('#{File.(stderr.path)}', 'w') $0.replace '#{File.(stdin.path)}' ARGV.replace(#{@options.inspect}) load #{File.(stdin.path).inspect} #{@evals.join(";")} EOF debugprint "execute command = #{(interpreter_command << "-e" << exe_line).join ' '}" oldpwd = Dir.pwd @interpreter_info.chdir_proc and @interpreter_info.chdir_proc.call system(*(interpreter_command << "-e" << exe_line)) Dir.chdir oldpwd [stdout, stderr] end |
#extract_data(output) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 286 def extract_data(output) results = Hash.new{|h,k| h[k] = []} exceptions = Hash.new{|h,k| h[k] = []} bindings = Hash.new{|h,k| h[k] = []} output.grep(XMP_RE).each do |line| result_id, op, result = XMP_RE.match(line).captures case op when "=>" klass, value = /(\S+)\s+(.*)/.match(result).captures results[result_id.to_i] << [klass, value.gsub(/PPPROTECT/, "\n")] when "~>" exceptions[result_id.to_i] << result when "==>" bindings[result_id.to_i] << result unless result.index(VAR) end end RuntimeData.new(results, exceptions, bindings) end |
#final_decoration(code, output) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 305 def final_decoration(code, output) warnings = {} output.join.grep(WARNING_RE).map do |x| md = WARNING_RE.match(x) warnings[md[1].to_i] = md[2] end idx = 0 ret = code.map do |line| w = warnings[idx+=1] if @warnings w ? (line.chomp + " # !> #{w}") : line else line end end output = output.reject{|x| /^-:[0-9]+: warning/.match(x)} if exception = /^-e?:[0-9]+:.*|^(?!!XMP)[^\n]+:[0-9]+:in .*/m.match(output.join) err = exception[0] err.gsub!(Regexp.union(@stdin_path), '-') if @stdin_path ret << err.map{|line| "# ~> " + line } end ret end |
#get_test_method_from_lineno(filename, lineno) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 99 def get_test_method_from_lineno(filename, lineno) lines = File.readlines(filename) (lineno-1).downto(0) do |i| if lines[i] =~ /^ *def *(test_[A-Za-z0-9?!_]+)$/ return $1 end end nil end |
#initialize_for_test_script(test_script, test_method, filename) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 85 def initialize_for_test_script(test_script, test_method, filename) test_script.replace File.(test_script) filename.replace File.(filename) unless test_script == filename basedir = common_path(test_script, filename) relative_filename = filename[basedir.length+1 .. -1].sub(%r!^lib/!, '') @evals << %Q!$LOADED_FEATURES << #{relative_filename.dump}! @evals << safe_require_code('test/unit') @evals << %Q!load #{test_script.dump}! end test_method = get_test_method_from_lineno(test_script, test_method.to_i) if test_method =~ /^\d/ @evals << %Q!Test::Unit::AutoRunner.run(false, nil, ["-n", #{test_method.dump}])! if test_method end |
#initialize_rbtest ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 81 def initialize_rbtest @interpreter_info = INTERPRETER_RBTEST end |
#initialize_rct_fork ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 75 def initialize_rct_fork if Fork::run? @interpreter_info = INTERPRETER_FORK end end |
#interpreter_command ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 277 def interpreter_command r = [ @interpreter ] + @interpreter_info. r << "-d" if $DEBUG and @interpreter_info.accept_debug r << "-I#{@include_paths.join(":")}" if @interpreter_info.accept_include_paths and !@include_paths.empty? @libs.each{|x| r << "-r#{x}" } unless @libs.empty? (r << "-").concat @options unless @options.empty? r end |
#oneline_ize(code) ⇒ Object
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# File 'lib/rcodetools/xmpfilter.rb', line 329 def oneline_ize(code) "((" + code.gsub(/\r?\n|\r/, ';') + "));#{@postfix}\n" end |
#prepare_line_annotation(expr, idx, multi_line = false) ⇒ Object Also known as: prepare_line
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# File 'lib/rcodetools/xmpfilter.rb', line 165 def prepare_line_annotation(expr, idx, multi_line=false) v = "#{VAR}" blocal = "__#{VAR}" blocal2 = "___#{VAR}" lastmatch = "____#{VAR}" if multi_line pp = safe_require_code "pp" result = "((begin; #{lastmatch} = $~; PP.pp(#{v}, '', #{@width-5}).gsub(/\\r?\\n/, 'PPPROTECT'); ensure; $~ = #{lastmatch} end))" else pp = '' result = "#{v}.inspect" end oneline_ize(<<-EOF).chomp #{pp} #{v} = (#{expr}) $stderr.puts("#{MARKER}[#{idx}] => " + #{v}.class.to_s + " " + #{result}) || begin $stderr.puts local_variables local_variables.each{|#{blocal}| #{blocal2} = eval(#{blocal}) if #{v} == #{blocal2} && #{blocal} != %#{expr}.strip $stderr.puts("#{MARKER}[#{idx}] ==> " + #{blocal}) elsif [#{blocal2}] == #{v} $stderr.puts("#{MARKER}[#{idx}] ==> [" + #{blocal} + "]") end } nil rescue Exception nil end || #{v} EOF end |
#windows? ⇒ Boolean
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# File 'lib/rcodetools/xmpfilter.rb', line 27 def windows? /win|mingw/ =~ RUBY_PLATFORM && /darwin/ !~ RUBY_PLATFORM end |