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Make RDoc accessible. Update constant value information.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11445 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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drbrain 2006-12-31 21:27:31 +00:00
parent 3443bacdc8
commit 47eea50002
2 changed files with 131 additions and 111 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Jan 1 06:13:11 2007 Eric Hodel <drbrain@segment7.net>
* lib/rdoc/parsers/c_parser.rb: Make Rdoc accessible. Update constant
value information.
Mon Jan 1 06:13:11 2007 Eric Hodel <drbrain@segment7.net>
* ext/bigdecimal/bigdecimal.c: Update constant comments to provide

237
lib/rdoc/parsers/parse_c.rb
View file

@ -1,97 +1,5 @@
# We attempt to parse C extension files. Basically we look for
# the standard patterns that you find in extensions: <tt>rb_define_class,
# rb_define_method</tt> and so on. We also try to find the corresponding
# C source for the methods and extract comments, but if we fail
# we don't worry too much.
#
# The comments associated with a Ruby method are extracted from the C
# comment block associated with the routine that _implements_ that
# method, that is to say the method whose name is given in the
# <tt>rb_define_method</tt> call. For example, you might write:
#
# /*
# * Returns a new array that is a one-dimensional flattening of this
# * array (recursively). That is, for every element that is an array,
# * extract its elements into the new array.
# *
# * s = [ 1, 2, 3 ] #=> [1, 2, 3]
# * t = [ 4, 5, 6, [7, 8] ] #=> [4, 5, 6, [7, 8]]
# * a = [ s, t, 9, 10 ] #=> [[1, 2, 3], [4, 5, 6, [7, 8]], 9, 10]
# * a.flatten #=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# */
# static VALUE
# rb_ary_flatten(ary)
# VALUE ary;
# {
# ary = rb_obj_dup(ary);
# rb_ary_flatten_bang(ary);
# return ary;
# }
#
# ...
#
# void
# Init_Array()
# {
# ...
# rb_define_method(rb_cArray, "flatten", rb_ary_flatten, 0);
#
# Here RDoc will determine from the rb_define_method line that there's a
# method called "flatten" in class Array, and will look for the implementation
# in the method rb_ary_flatten. It will then use the comment from that
# method in the HTML output. This method must be in the same source file
# as the rb_define_method.
#
# C classes can be diagramed (see /tc/dl/ruby/ruby/error.c), and RDoc
# integrates C and Ruby source into one tree
#
# The comment blocks may include special direcives:
#
# [Document-class: <i>name</i>]
# This comment block is documentation for the given class. Use this
# when the <tt>Init_xxx</tt> method is not named after the class.
#
# [Document-method: <i>name</i>]
# This comment documents the named method. Use when RDoc cannot outomatically
# find the method from it's declaration
#
# [call-seq: <i>text up to an empty line</i>]
# Because C source doesn't give descripive names to Ruby-level parameters,
# you need to document the calling sequence explicitly
#
# In additon, RDoc assumes by default that the C method implementing a
# Ruby function is in the same source file as the rb_define_method call.
# If this isn't the case, add the comment
#
# rb_define_method(....); // in: filename
#
# As an example, we might have an extension that defines multiple classes
# in its Init_xxx method. We could document them using
#
#
# /*
# * Document-class: MyClass
# *
# * Encapsulate the writing and reading of the configuration
# * file. ...
# */
#
# /*
# * Document-method: read_value
# *
# * call-seq:
# * cfg.read_value(key) -> value
# * cfg.read_value(key} { |key| } -> value
# *
# * Return the value corresponding to +key+ from the configuration.
# * In the second form, if the key isn't found, invoke the
# * block and return its value.
# */
#
# Classes and modules built in to the interpreter. We need
# these to define superclasses of user objects
# Classes and modules built in to the interpreter. We need
# these to define superclasses of user objects
require "rdoc/code_objects"
require "rdoc/parsers/parserfactory"
@ -100,6 +8,9 @@ require "rdoc/rdoc"
module RDoc
##
# Ruby's built-in classes.
KNOWN_CLASSES = {
"rb_cObject" => "Object",
"rb_cArray" => "Array",
@ -159,10 +70,99 @@ module RDoc
"rb_mGC" => "GC",
"rb_mMath" => "Math",
"rb_mProcess" => "Process"
}
# See rdoc/c_parse.rb
##
# We attempt to parse C extension files. Basically we look for
# the standard patterns that you find in extensions: <tt>rb_define_class,
# rb_define_method</tt> and so on. We also try to find the corresponding
# C source for the methods and extract comments, but if we fail
# we don't worry too much.
#
# The comments associated with a Ruby method are extracted from the C
# comment block associated with the routine that _implements_ that
# method, that is to say the method whose name is given in the
# <tt>rb_define_method</tt> call. For example, you might write:
#
# /*
# * Returns a new array that is a one-dimensional flattening of this
# * array (recursively). That is, for every element that is an array,
# * extract its elements into the new array.
# *
# * s = [ 1, 2, 3 ] #=> [1, 2, 3]
# * t = [ 4, 5, 6, [7, 8] ] #=> [4, 5, 6, [7, 8]]
# * a = [ s, t, 9, 10 ] #=> [[1, 2, 3], [4, 5, 6, [7, 8]], 9, 10]
# * a.flatten #=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
# */
# static VALUE
# rb_ary_flatten(ary)
# VALUE ary;
# {
# ary = rb_obj_dup(ary);
# rb_ary_flatten_bang(ary);
# return ary;
# }
#
# ...
#
# void
# Init_Array()
# {
# ...
# rb_define_method(rb_cArray, "flatten", rb_ary_flatten, 0);
#
# Here RDoc will determine from the rb_define_method line that there's a
# method called "flatten" in class Array, and will look for the implementation
# in the method rb_ary_flatten. It will then use the comment from that
# method in the HTML output. This method must be in the same source file
# as the rb_define_method.
#
# C classes can be diagramed (see /tc/dl/ruby/ruby/error.c), and RDoc
# integrates C and Ruby source into one tree
#
# The comment blocks may include special direcives:
#
# [Document-class: <i>name</i>]
# This comment block is documentation for the given class. Use this
# when the <tt>Init_xxx</tt> method is not named after the class.
#
# [Document-method: <i>name</i>]
# This comment documents the named method. Use when RDoc cannot
# automatically find the method from it's declaration
#
# [call-seq: <i>text up to an empty line</i>]
# Because C source doesn't give descripive names to Ruby-level parameters,
# you need to document the calling sequence explicitly
#
# In additon, RDoc assumes by default that the C method implementing a
# Ruby function is in the same source file as the rb_define_method call.
# If this isn't the case, add the comment
#
# rb_define_method(....); // in: filename
#
# As an example, we might have an extension that defines multiple classes
# in its Init_xxx method. We could document them using
#
#
# /*
# * Document-class: MyClass
# *
# * Encapsulate the writing and reading of the configuration
# * file. ...
# */
#
# /*
# * Document-method: read_value
# *
# * call-seq:
# * cfg.read_value(key) -> value
# * cfg.read_value(key} { |key| } -> value
# *
# * Return the value corresponding to +key+ from the configuration.
# * In the second form, if the key isn't found, invoke the
# * block and return its value.
# */
#
class C_Parser
@ -220,8 +220,9 @@ module RDoc
comment.sub!(/\/?\*--.*/m, '')
end
# remove lines that are commented out that might otherwise get
# picked up when scanning for classes and methods
##
# removes lines that are commented out that might otherwise get picked up
# when scanning for classes and methods
def remove_commented_out_lines
@body.gsub!(%r{//.*rb_define_}, '//')
@ -264,7 +265,6 @@ module RDoc
@@enclosure_classes[var_name] = cm
@known_classes[var_name] = cm.full_name
end
############################################################
@ -429,7 +429,16 @@ module RDoc
end
end
############################################################
##
# Adds constant comments. By providing some_value: at the start ofthe
# comment you can override the C value of the comment to give a friendly
# definition.
#
# /* 300: The perfect score in bowling */
# rb_define_const(cFoo, "PERFECT", INT2FIX(300);
#
# Will override +INT2FIX(300)+ with the value +300+ in the output RDoc.
# Values may include quotes and escaped colons (\:).
def handle_constants(type, var_name, const_name, definition)
#@stats.num_constants += 1
@ -473,7 +482,9 @@ module RDoc
class_obj.add_constant(con)
end
###########################################################
##
# Finds a comment matching +type+ and +const_name+ either above the
# comment or in the matching Document- section.
def find_const_comment(type, const_name)
if @body =~ %r{((?>^\s*/\*.*?\*/\s+))
@ -637,13 +648,15 @@ module RDoc
end
##################################################
#
# If the comment block contains a section that looks like
##
# If the comment block contains a section that looks like:
#
# call-seq:
# Array.new
# Array.new(10)
# use it for the parameters
#
# use it for the parameters.
def find_modifiers(comment, meth_obj)
if comment.sub!(/:nodoc:\s*^\s*\*?\s*$/m, '') or
comment.sub!(/\A\/\*\s*:nodoc:\s*\*\/\Z/, '')
@ -666,10 +679,11 @@ module RDoc
end
end
############################################################
# Look for includes of the form
##
# Look for includes of the form:
#
# rb_include_module(rb_cArray, rb_mEnumerable);
def do_includes
@body.scan(/rb_include_module\s*\(\s*(\w+?),\s*(\w+?)\s*\)/) do |c,m|
if cls = @classes[c]
@ -679,8 +693,7 @@ module RDoc
end
end
############################################################
##
# Remove the /*'s and leading asterisks from C comments
def mangle_comment(comment)
@ -713,7 +726,8 @@ module RDoc
end
end
# Remove #ifdefs that would otherwise confuse us
##
# Removes #ifdefs that would otherwise confuse us
def handle_ifdefs_in(body)
body.gsub(/^#ifdef HAVE_PROTOTYPES.*?#else.*?\n(.*?)#endif.*?\n/m) { $1 }
@ -722,3 +736,4 @@ module RDoc
end
end