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Filename : cdesc-Tracer.ri
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U:RDoc::NormalClass[iI"Tracer:ET@I"Object;To:RDoc::Markup::Document:@parts[o;;[o:RDoc::Markup::Paragraph;[I">Outputs a source level execution trace of a Ruby program.;To:RDoc::Markup::BlankLine�o;	;[I"QIt does this by registering an event handler with Kernel#set_trace_func for ;TI"Rprocessing incoming events.  It also provides methods for filtering unwanted ;TI"Etrace output (see Tracer.add_filter, Tracer.on, and Tracer.off).;T@S:RDoc::Markup::Heading:
leveli:	textI"Example;T@o;	;[I"'Consider the following Ruby script;T@o:RDoc::Markup::Verbatim;[
I"
class A
;TI"  def square(a)
;TI"    return a*a
;TI"  end
;TI"	end
;TI"
;TI"a = A.new
;TI"a.square(5)
;T:@format0o;	;[I"PRunning the above script using <code>ruby -r tracer example.rb</code> will ;TI"Houtput the following trace to STDOUT (Note you can also explicitly ;TI"#<code>require 'tracer'</code>);T@o;;[I">#0:<internal:lib/rubygems/custom_require>:38:Kernel:<: -
;TI"!#0:example.rb:3::-: class A
;TI"!#0:example.rb:3::C: class A
;TI")#0:example.rb:4::-:   def square(a)
;TI"#0:example.rb:7::E: end
;TI"##0:example.rb:9::-: a = A.new
;TI"&#0:example.rb:10::-: a.square(5)
;TI"*#0:example.rb:4:A:>:   def square(a)
;TI")#0:example.rb:5:A:-:     return a*a
;TI" #0:example.rb:6:A:<:   end
;TI" |  |         | |  |
;TI"6 |  |         | |   ---------------------+ event
;TI"6 |  |         |  ------------------------+ class
;TI"5 |  |          --------------------------+ line
;TI"9 |   ------------------------------------+ filename
;TI"7  ---------------------------------------+ thread
;T;0o;	;[I"6Symbol table used for displaying incoming events:;T@o:RDoc::Markup::List:
@type:	NOTE:@items[
o:RDoc::Markup::ListItem:@label[I"+}+;T;[o;	;[I"call a C-language routine;To;;[I"+{+;T;[o;	;[I"%return from a C-language routine;To;;[I"+>+;T;[o;	;[I"call a Ruby method;To;;[I"+C+;T;[o;	;[I"'start a class or module definition;To;;[I"+E+;T;[o;	;[I"(finish a class or module definition;To;;[I"+-+;T;[o;	;[I"execute code on a new line;To;;[I"+^+;T;[o;	;[I"raise an exception;To;;[I"+<+;T;[o;	;[I"return from a Ruby method;T@S;;i;
I"Copyright;T@o;	;[I",by Keiju ISHITSUKA(keiju@ishitsuka.com);T:
@fileI"lib/tracer.rb;T:0@omit_headings_from_table_of_contents_below0;0;0[[
I"display_c_call;TI"RW;T:publicTI"lib/tracer.rb;T[
I"display_c_call?;FI"RW;T;T@~[
I"display_process_id;TI"RW;T;T@~[
I"display_process_id?;FI"RW;T;T@~[
I"display_thread_id;TI"RW;T;T@~[
I"display_thread_id?;FI"RW;T;T@~[
I"stdout;TI"RW;T;T@~[
I"stdout_mutex;TI"R;T;T@~[
I"verbose;TI"RW;T;T@~[
I"
verbose?;FI"RW;T;T@~[U:RDoc::Constant[i�I"stdout;FI"Tracer::stdout;T00o;;[�;@~;0@~@cRDoc::NormalClass0U;[i�I"verbose;FI"Tracer::verbose;T00o;;[�;@~;0@~@@�0U;[i�I"display_process_id;FI"Tracer::display_process_id;T00o;;[�;@~;0@~@@�0U;[i�I"display_thread_id;FI"Tracer::display_thread_id;T00o;;[�;@~;0@~@@�0U;[i�I"display_c_call;FI"Tracer::display_c_call;T00o;;[�;@~;0@~@@�0U;[i�I"EVENT_SYMBOL;FI"Tracer::EVENT_SYMBOL;T00o;;[o;	;[I"7Symbol table used for displaying trace information;T;@~;0@~@@�0U;[i�I"Single;FI"Tracer::Single;T00o;;[o;	;[I".Reference to singleton instance of Tracer;T;@~;0@~@@�0[�[[I"
class;T[[;[	[I"add_filter;F@~[I"off;F@~[I"on;F@~[I"set_get_line_procs;F@~[:protected[�[:private[�[I"
instance;T[[;[�[;[�[;[�[�[U:RDoc::Context::Section[i�0o;;[�;0;0[I"lib/debug.rb;T@~@~cRDoc::TopLevel