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* parse.y [ripper]: on__scan event removed.

Browse source 
* parse.y [ripper]: event name is changed: on__XXX -> on_XXX.
* ext/ripper/eventids2.c: ditto.
* ext/ripper/ripper.rb.in: ditto.
* ext/ripper/lib/ripper.rb: sync with ripper.rb.in.
* ext/ripper/lib/ripper/tokenizer: ditto.
* ext/ripper/lib/ripper/filter: new file.
* sample/ripper/colorize.rb: new file.
* sample/ripper/strip-comment.rb: new file.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
aamine 2004-09-22 05:22:50 +00:00
parent 61d1dce5a2
commit 2c17921671
14 changed files with 379 additions and 287 deletions
Download patch file Download diff file Expand all files Collapse all files

20
ChangeLog
View file

@ -1,3 +1,23 @@
Wed Sep 22 14:21:54 2004 Minero Aoki <aamine@loveruby.net>
* parse.y [ripper]: on__scan event removed.
* parse.y [ripper]: event name is changed: on__XXX -> on_XXX.
* ext/ripper/eventids2.c: ditto.
* ext/ripper/ripper.rb.in: ditto.
* ext/ripper/lib/ripper.rb: sync with ripper.rb.in.
* ext/ripper/lib/ripper/tokenizer: ditto.
* ext/ripper/lib/ripper/filter: new file.
* sample/ripper/colorize.rb: new file.
* sample/ripper/strip-comment.rb: new file.
Wed Sep 22 13:50:49 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* hash.c (hash_alloc): was using tbl pointer without

2
MANIFEST
View file

@ -735,6 +735,8 @@ sample/rcs.awk
sample/rcs.dat
sample/rcs.rb
sample/regx.rb
sample/ripper/colorize.rb
sample/ripper/strip-comment.rb
sample/rss/list_description.rb
sample/rss/rss_recent.rb
sample/rss/tdiary_plugin/rss-recent.rb

1
ext/ripper/MANIFEST
View file

@ -6,6 +6,7 @@ eventids2.c
extconf.rb
ripper.rb.in
lib/ripper.rb
lib/ripper/filter.rb
lib/ripper/tokenizer.rb
test/check-event-arity.rb
test/check-event-coverage.sh

90
ext/ripper/eventids2.c
View file

@ -9,8 +9,6 @@
#define k__END__ (tLAST_TOKEN + 9)
#define tCHAR (tLAST_TOKEN + 10)
static ID ripper_id_scan;
static ID ripper_id_backref;
static ID ripper_id_backtick;
static ID ripper_id_comma;
@ -59,52 +57,50 @@ static ID ripper_id_CHAR;
static void
ripper_init_eventids2()
{
ripper_id_scan = rb_intern("on__scan");
ripper_id_backref = rb_intern("on_backref");
ripper_id_backtick = rb_intern("on_backtick");
ripper_id_comma = rb_intern("on_comma");
ripper_id_const = rb_intern("on_const");
ripper_id_cvar = rb_intern("on_cvar");
ripper_id_embexpr_beg = rb_intern("on_embexpr_beg");
ripper_id_embexpr_end = rb_intern("on_embexpr_end");
ripper_id_embvar = rb_intern("on_embvar");
ripper_id_float = rb_intern("on_float");
ripper_id_gvar = rb_intern("on_gvar");
ripper_id_ident = rb_intern("on_ident");
ripper_id_int = rb_intern("on_int");
ripper_id_ivar = rb_intern("on_ivar");
ripper_id_kw = rb_intern("on_kw");
ripper_id_lbrace = rb_intern("on_lbrace");
ripper_id_lbracket = rb_intern("on_lbracket");
ripper_id_lparen = rb_intern("on_lparen");
ripper_id_nl = rb_intern("on_nl");
ripper_id_op = rb_intern("on_op");
ripper_id_period = rb_intern("on_period");
ripper_id_rbrace = rb_intern("on_rbrace");
ripper_id_rbracket = rb_intern("on_rbracket");
ripper_id_rparen = rb_intern("on_rparen");
ripper_id_semicolon = rb_intern("on_semicolon");
ripper_id_symbeg = rb_intern("on_symbeg");
ripper_id_tstring_beg = rb_intern("on_tstring_beg");
ripper_id_tstring_content = rb_intern("on_tstring_content");
ripper_id_tstring_end = rb_intern("on_tstring_end");
ripper_id_words_beg = rb_intern("on_words_beg");
ripper_id_qwords_beg = rb_intern("on_qwords_beg");
ripper_id_words_sep = rb_intern("on_words_sep");
ripper_id_regexp_beg = rb_intern("on_regexp_beg");
ripper_id_regexp_end = rb_intern("on_regexp_end");
ripper_id_backref = rb_intern("on__backref");
ripper_id_backtick = rb_intern("on__backtick");
ripper_id_comma = rb_intern("on__comma");
ripper_id_const = rb_intern("on__const");
ripper_id_cvar = rb_intern("on__cvar");
ripper_id_embexpr_beg = rb_intern("on__embexpr_beg");
ripper_id_embexpr_end = rb_intern("on__embexpr_end");
ripper_id_embvar = rb_intern("on__embvar");
ripper_id_float = rb_intern("on__float");
ripper_id_gvar = rb_intern("on__gvar");
ripper_id_ident = rb_intern("on__ident");
ripper_id_int = rb_intern("on__int");
ripper_id_ivar = rb_intern("on__ivar");
ripper_id_kw = rb_intern("on__kw");
ripper_id_lbrace = rb_intern("on__lbrace");
ripper_id_lbracket = rb_intern("on__lbracket");
ripper_id_lparen = rb_intern("on__lparen");
ripper_id_nl = rb_intern("on__nl");
ripper_id_op = rb_intern("on__op");
ripper_id_period = rb_intern("on__period");
ripper_id_rbrace = rb_intern("on__rbrace");
ripper_id_rbracket = rb_intern("on__rbracket");
ripper_id_rparen = rb_intern("on__rparen");
ripper_id_semicolon = rb_intern("on__semicolon");
ripper_id_symbeg = rb_intern("on__symbeg");
ripper_id_tstring_beg = rb_intern("on__tstring_beg");
ripper_id_tstring_content = rb_intern("on__tstring_content");
ripper_id_tstring_end = rb_intern("on__tstring_end");
ripper_id_words_beg = rb_intern("on__words_beg");
ripper_id_qwords_beg = rb_intern("on__qwords_beg");
ripper_id_words_sep = rb_intern("on__words_sep");
ripper_id_regexp_beg = rb_intern("on__regexp_beg");
ripper_id_regexp_end = rb_intern("on__regexp_end");
ripper_id_ignored_nl = rb_intern("on__ignored_nl");
ripper_id_comment = rb_intern("on__comment");
ripper_id_embdoc_beg = rb_intern("on__embdoc_beg");
ripper_id_embdoc = rb_intern("on__embdoc");
ripper_id_embdoc_end = rb_intern("on__embdoc_end");
ripper_id_sp = rb_intern("on__sp");
ripper_id_heredoc_beg = rb_intern("on__heredoc_beg");
ripper_id_heredoc_end = rb_intern("on__heredoc_end");
ripper_id___end__ = rb_intern("on____end__");
ripper_id_CHAR = rb_intern("on__CHAR");
ripper_id_ignored_nl = rb_intern("on_ignored_nl");
ripper_id_comment = rb_intern("on_comment");
ripper_id_embdoc_beg = rb_intern("on_embdoc_beg");
ripper_id_embdoc = rb_intern("on_embdoc");
ripper_id_embdoc_end = rb_intern("on_embdoc_end");
ripper_id_sp = rb_intern("on_sp");
ripper_id_heredoc_beg = rb_intern("on_heredoc_beg");
ripper_id_heredoc_end = rb_intern("on_heredoc_end");
ripper_id___end__ = rb_intern("on___end__");
ripper_id_CHAR = rb_intern("on_CHAR");
}
static struct token_assoc {

334
ext/ripper/lib/ripper.rb
View file

@ -146,7 +146,6 @@ class Ripper
# This table contains name of scanner events and its arity
# (arity is always 1 for all scanner events).
# on__scan is NOT a scanner event.
SCANNER_EVENT_TABLE = {
:CHAR => 1,
:__end__ => 1,
@ -196,7 +195,7 @@ class Ripper
# This array contains name of scanner events.
SCANNER_EVENTS = SCANNER_EVENT_TABLE.keys
# This table contains name of all ripper events, except on__scan.
# This table contains name of all ripper events.
EVENTS = PARSER_EVENTS + SCANNER_EVENTS
### ###
@ -218,483 +217,483 @@ class Ripper
# Parser Events
#
def on__BEGIN(a)
def on_BEGIN(a)
a
end
def on__END(a)
def on_END(a)
a
end
def on__alias(a, b)
def on_alias(a, b)
a
end
def on__alias_error(a)
def on_alias_error(a)
a
end
def on__aref(a, b)
def on_aref(a, b)
a
end
def on__aref_field(a, b)
def on_aref_field(a, b)
a
end
def on__arg_ambiguous
def on_arg_ambiguous
nil
end
def on__arg_paren(a)
def on_arg_paren(a)
a
end
def on__arglist_add(a, b)
def on_arglist_add(a, b)
a
end
def on__arglist_add_block(a, b)
def on_arglist_add_block(a, b)
a
end
def on__arglist_add_star(a, b)
def on_arglist_add_star(a, b)
a
end
def on__arglist_new
def on_arglist_new
nil
end
def on__arglist_prepend(a, b)
def on_arglist_prepend(a, b)
a
end
def on__array(a)
def on_array(a)
a
end
def on__assign(a, b)
def on_assign(a, b)
a
end
def on__assign_error(a)
def on_assign_error(a)
a
end
def on__assoc_new(a, b)
def on_assoc_new(a, b)
a
end
def on__assoclist_from_args(a)
def on_assoclist_from_args(a)
a
end
def on__bare_assoc_hash(a)
def on_bare_assoc_hash(a)
a
end
def on__begin(a)
def on_begin(a)
a
end
def on__binary(a, b, c)
def on_binary(a, b, c)
a
end
def on__blockvar_add_block(a, b)
def on_blockvar_add_block(a, b)
a
end
def on__blockvar_add_star(a, b)
def on_blockvar_add_star(a, b)
a
end
def on__blockvar_new(a)
def on_blockvar_new(a)
a
end
def on__bodystmt(a, b, c, d)
def on_bodystmt(a, b, c, d)
a
end
def on__brace_block(a, b)
def on_brace_block(a, b)
a
end
def on__break(a)
def on_break(a)
a
end
def on__call(a, b, c)
def on_call(a, b, c)
a
end
def on__case(a, b)
def on_case(a, b)
a
end
def on__class(a, b, c)
def on_class(a, b, c)
a
end
def on__class_name_error(a)
def on_class_name_error(a)
a
end
def on__command(a, b)
def on_command(a, b)
a
end
def on__command_call(a, b, c, d)
def on_command_call(a, b, c, d)
a
end
def on__const_ref(a)
def on_const_ref(a)
a
end
def on__constpath_field(a, b)
def on_constpath_field(a, b)
a
end
def on__constpath_ref(a, b)
def on_constpath_ref(a, b)
a
end
def on__def(a, b, c)
def on_def(a, b, c)
a
end
def on__defined(a)
def on_defined(a)
a
end
def on__defs(a, b, c, d, e)
def on_defs(a, b, c, d, e)
a
end
def on__do_block(a, b)
def on_do_block(a, b)
a
end
def on__dot2(a, b)
def on_dot2(a, b)
a
end
def on__dot3(a, b)
def on_dot3(a, b)
a
end
def on__dyna_symbol(a)
def on_dyna_symbol(a)
a
end
def on__else(a)
def on_else(a)
a
end
def on__elsif(a, b, c)
def on_elsif(a, b, c)
a
end
def on__ensure(a)
def on_ensure(a)
a
end
def on__fcall(a)
def on_fcall(a)
a
end
def on__field(a, b, c)
def on_field(a, b, c)
a
end
def on__for(a, b, c)
def on_for(a, b, c)
a
end
def on__hash(a)
def on_hash(a)
a
end
def on__if(a, b, c)
def on_if(a, b, c)
a
end
def on__if_mod(a, b)
def on_if_mod(a, b)
a
end
def on__ifop(a, b, c)
def on_ifop(a, b, c)
a
end
def on__iter_block(a, b)
def on_iter_block(a, b)
a
end
def on__massign(a, b)
def on_massign(a, b)
a
end
def on__method_add_arg(a, b)
def on_method_add_arg(a, b)
a
end
def on__mlhs_add(a, b)
def on_mlhs_add(a, b)
a
end
def on__mlhs_add_star(a, b)
def on_mlhs_add_star(a, b)
a
end
def on__mlhs_new
def on_mlhs_new
nil
end
def on__mlhs_paren(a)
def on_mlhs_paren(a)
a
end
def on__module(a, b)
def on_module(a, b)
a
end
def on__mrhs_add(a, b)
def on_mrhs_add(a, b)
a
end
def on__mrhs_add_star(a, b)
def on_mrhs_add_star(a, b)
a
end
def on__mrhs_new
def on_mrhs_new
nil
end
def on__mrhs_new_from_arglist(a)
def on_mrhs_new_from_arglist(a)
a
end
def on__next(a)
def on_next(a)
a
end
def on__opassign(a, b, c)
def on_opassign(a, b, c)
a
end
def on__param_error(a)
def on_param_error(a)
a
end
def on__params(a, b, c, d)
def on_params(a, b, c, d)
a
end
def on__paren(a)
def on_paren(a)
a
end
def on__parse_error(a)
def on_parse_error(a)
a
end
def on__program(a)
def on_program(a)
a
end
def on__qwords_add(a, b)
def on_qwords_add(a, b)
a
end
def on__qwords_new
def on_qwords_new
nil
end
def on__redo
def on_redo
nil
end
def on__regexp_literal(a)
def on_regexp_literal(a)
a
end
def on__rescue(a, b, c, d)
def on_rescue(a, b, c, d)
a
end
def on__rescue_mod(a, b)
def on_rescue_mod(a, b)
a
end
def on__restparam(a)
def on_restparam(a)
a
end
def on__retry
def on_retry
nil
end
def on__return(a)
def on_return(a)
a
end
def on__return0
def on_return0
nil
end
def on__sclass(a, b)
def on_sclass(a, b)
a
end
def on__space(a)
def on_space(a)
a
end
def on__stmts_add(a, b)
def on_stmts_add(a, b)
a
end
def on__stmts_new
def on_stmts_new
nil
end
def on__string_add(a, b)
def on_string_add(a, b)
a
end
def on__string_concat(a, b)
def on_string_concat(a, b)
a
end
def on__string_content
def on_string_content
nil
end
def on__string_dvar(a)
def on_string_dvar(a)
a
end
def on__string_embexpr(a)
def on_string_embexpr(a)
a
end
def on__string_literal(a)
def on_string_literal(a)
a
end
def on__super(a)
def on_super(a)
a
end
def on__symbol(a)
def on_symbol(a)
a
end
def on__symbol_literal(a)
def on_symbol_literal(a)
a
end
def on__topconst_field(a)
def on_topconst_field(a)
a
end
def on__topconst_ref(a)
def on_topconst_ref(a)
a
end
def on__unary(a, b)
def on_unary(a, b)
a
end
def on__undef(a)
def on_undef(a)
a
end
def on__unless(a, b, c)
def on_unless(a, b, c)
a
end
def on__unless_mod(a, b)
def on_unless_mod(a, b)
a
end
def on__until(a, b)
def on_until(a, b)
a
end
def on__until_mod(a, b)
def on_until_mod(a, b)
a
end
def on__var_alias(a, b)
def on_var_alias(a, b)
a
end
def on__var_field(a)
def on_var_field(a)
a
end
def on__var_ref(a)
def on_var_ref(a)
a
end
def on__void_stmt
def on_void_stmt
nil
end
def on__when(a, b, c)
def on_when(a, b, c)
a
end
def on__while(a, b)
def on_while(a, b)
a
end
def on__while_mod(a, b)
def on_while_mod(a, b)
a
end
def on__word_add(a, b)
def on_word_add(a, b)
a
end
def on__word_new
def on_word_new
nil
end
def on__words_add(a, b)
def on_words_add(a, b)
a
end
def on__words_new
def on_words_new
nil
end
def on__xstring_add(a, b)
def on_xstring_add(a, b)
a
end
def on__xstring_literal(a)
def on_xstring_literal(a)
a
end
def on__xstring_new
def on_xstring_new
nil
end
def on__yield(a)
def on_yield(a)
a
end
def on__yield0
def on_yield0
nil
end
def on__zsuper
def on_zsuper
nil
end
@ -702,178 +701,177 @@ class Ripper
# Lexer Events
#
def on__scan(event, token)
end
def on__CHAR(token)
def on_CHAR(token)
token
end
def on____end__(token)
def on___end__(token)
token
end
def on__backref(token)
def on_backref(token)
token
end
def on__backtick(token)
def on_backtick(token)
token
end
def on__comma(token)
def on_comma(token)
token
end
def on__comment(token)
def on_comment(token)
token
end
def on__const(token)
def on_const(token)
token
end
def on__cvar(token)
def on_cvar(token)
token
end
def on__embdoc(token)
def on_embdoc(token)
token
end
def on__embdoc_beg(token)
def on_embdoc_beg(token)
token
end
def on__embdoc_end(token)
def on_embdoc_end(token)
token
end
def on__embexpr_beg(token)
def on_embexpr_beg(token)
token
end
def on__embexpr_end(token)
def on_embexpr_end(token)
token
end
def on__embvar(token)
def on_embvar(token)
token
end
def on__float(token)
def on_float(token)
token
end
def on__gvar(token)
def on_gvar(token)
token
end
def on__heredoc_beg(token)
def on_heredoc_beg(token)
token
end
def on__heredoc_end(token)
def on_heredoc_end(token)
token
end
def on__ident(token)
def on_ident(token)
token
end
def on__ignored_nl(token)
def on_ignored_nl(token)
token
end
def on__int(token)
def on_int(token)
token
end
def on__ivar(token)
def on_ivar(token)
token
end
def on__kw(token)
def on_kw(token)
token
end
def on__lbrace(token)
def on_lbrace(token)
token
end
def on__lbracket(token)
def on_lbracket(token)
token
end
def on__lparen(token)
def on_lparen(token)
token
end
def on__nl(token)
def on_nl(token)
token
end
def on__op(token)
def on_op(token)
token
end
def on__period(token)
def on_period(token)
token
end
def on__qwords_beg(token)
def on_qwords_beg(token)
token
end
def on__rbrace(token)
def on_rbrace(token)
token
end
def on__rbracket(token)
def on_rbracket(token)
token
end
def on__regexp_beg(token)
def on_regexp_beg(token)
token
end
def on__regexp_end(token)
def on_regexp_end(token)
token
end
def on__rparen(token)
def on_rparen(token)
token
end
def on__semicolon(token)
def on_semicolon(token)
token
end
def on__sp(token)
def on_sp(token)
token
end
def on__symbeg(token)
def on_symbeg(token)
token
end
def on__tstring_beg(token)
def on_tstring_beg(token)
token
end
def on__tstring_content(token)
def on_tstring_content(token)
token
end
def on__tstring_end(token)
def on_tstring_end(token)
token
end
def on__words_beg(token)
def on_words_beg(token)
token
end
def on__words_sep(token)
def on_words_sep(token)
token
end
end
require 'ripper/tokenizer'

55
ext/ripper/lib/ripper/filter.rb Normal file
View file

@ -0,0 +1,55 @@
#
# ripper/filter.rb
#
# Copyright (C) 2004 Minero Aoki
#
# This program is free software.
# You can distribute and/or modify this program under the Ruby License.
# For details of Ruby License, see ruby/COPYING.
#
require 'ripper'
class Ripper
class Filter
def initialize(src, filename = '-', lineno = 1)
@__parser = Tokenizer.new(src, filename, lineno)
@__line = nil
@__col = nil
end
def filename
@__parser.filename
end
def lineno
@__line
end
def column
@__col
end
def parse(init)
data = init
@__parser.parse.each do |pos, event, tok|
@__line, @__col = *pos
data = if respond_to?(event, true)
then __send__(event, tok, data)
else on_default(event, tok, data)
end
end
data
end
private
def on_default(event, tok, data)
data
end
end
end

89
ext/ripper/lib/ripper/tokenizer.rb
View file

@ -8,76 +8,55 @@
# For details of Ruby License, see ruby/COPYING.
#
require 'ripper'
class Ripper
def Ripper.tokenize(str)
Tokenizer.tokenize(str)
# Tokenizes Ruby program and returns an Array of String.
def Ripper.tokenize(src, filename = '-', lineno = 1)
Tokenizer.new(src, filename, lineno).tokenize
end
# Tokenizes Ruby program and returns an Array of Array,
# which is formatted like [[lineno, column], type, token].
#
# require 'ripper'
# require 'pp'
#
# p Ripper.scan("def m(a) nil end")
# #=> [[[1, 0], :on_kw, "def"],
# [[1, 3], :on_sp, " " ],
# [[1, 4], :on_ident, "m" ],
# [[1, 5], :on_lparen, "(" ],
# [[1, 6], :on_ident, "a" ],
# [[1, 7], :on_rparen, ")" ],
# [[1, 8], :on_sp, " " ],
# [[1, 9], :on_kw, "nil"],
# [[1, 12], :on_sp, " " ],
# [[1, 13], :on_kw, "end"]]
#
def Ripper.scan(src, filename = '-', lineno = 1)
Tokenizer.new(src, filename, lineno).parse
end
class Tokenizer < ::Ripper
def Tokenizer.tokenize(str, filename = '-', lineno = 1)
new(str, filename, lineno).tokenize
end
def initialize(src, filename = '-', lineno = 1)
@src = src
@__filename = filename
@__linestart = lineno
@__line = nil
@__col = nil
end
def filename
@__filename
end
def lineno
@__line
end
def column
@__col
end
class Tokenizer < ::Ripper #:nodoc: internal use only
def tokenize
_exec_tokenizer().map {|pos, event, tok| tok }
parse().map {|pos, event, tok| tok }
end
def parse
_exec_tokenizer().each do |pos, event, tok|
@__line, @__col = *pos
on__scan(event, tok)
__send__(event, tok)
end
end
private
def _exec_tokenizer
TokenSorter.new(@src, @__filename, @__linestart).parse
end
end
class TokenSorter < ::Ripper #:nodoc: internal use only
def parse
@data = []
@buf = []
super
@data.sort_by {|pos, event, tok| pos }
@buf.sort_by {|pos, event, tok| pos }
end
private
def on__scan(event, tok)
@data.push [[lineno(),column()], event, tok]
SCANNER_EVENTS.each do |event|
module_eval(<<-End)
def on_#{event}(tok)
@buf.push [[lineno(), column()], :on_#{event}, tok]
end
End
end
end
end

8
ext/ripper/ripper.rb.in
View file

@ -23,7 +23,6 @@ class Ripper
# This table contains name of scanner events and its arity
# (arity is always 1 for all scanner events).
# on__scan is NOT a scanner event.
SCANNER_EVENT_TABLE = {
#include ids2
}
@ -31,7 +30,7 @@ class Ripper
# This array contains name of scanner events.
SCANNER_EVENTS = SCANNER_EVENT_TABLE.keys
# This table contains name of all ripper events, except on__scan.
# This table contains name of all ripper events.
EVENTS = PARSER_EVENTS + SCANNER_EVENTS
### ###
@ -57,8 +56,7 @@ class Ripper
#
# Lexer Events
#
def on__scan(event, token)
end
#include handlers2
end
require 'ripper/tokenizer'

2
ext/ripper/tools/generate-eventids1.rb
View file

@ -11,6 +11,6 @@ puts 'static void'
puts 'ripper_init_eventids1()'
puts '{'
ids.each do |id|
puts %Q[ ripper_id_#{id} = rb_intern("on__#{id}");]
puts %Q[ ripper_id_#{id} = rb_intern("on_#{id}");]
end
puts '}'

4
ext/ripper/tools/generate-ripper_rb.rb
View file

@ -19,7 +19,7 @@ header
id, arity = line.split
arity = arity.to_i
puts
puts " def on__#{id}#{paramdecl(arity)}"
puts " def on_#{id}#{paramdecl(arity)}"
puts " #{arity == 0 ? 'nil' : 'a'}"
puts " end"
end
@ -28,7 +28,7 @@ header
id, arity = line.split
arity = arity.to_i
puts
puts " def on__#{id}(token)"
puts " def on_#{id}(token)"
puts " token"
puts " end"
end

2
ext/ripper/tools/list-scan-event-ids.rb
View file

@ -17,7 +17,7 @@ def main
end
def extract_ids(f)
(f.read.scan(/ripper_id_(\w+)/).flatten - ['scan']).uniq
f.read.scan(/ripper_id_(\w+)/).flatten.uniq
end
main

10
parse.y
View file

@ -4203,14 +4203,11 @@ ripper_dispatch_scan_event(parser, t)
int t;
{
VALUE str;
ID event;
if (lex_p < parser->tokp) rb_raise(rb_eRuntimeError, "lex_p < tokp");
if (lex_p == parser->tokp) return;
str = rb_str_new(parser->tokp, lex_p - parser->tokp);
event = ripper_token2eventid(t);
ripper_dispatch2(parser, ripper_id_scan, ID2SYM(event), rb_str_dup(str));
yylval.val = ripper_dispatch1(parser, event, str);
yylval.val = ripper_dispatch1(parser, ripper_token2eventid(t), str);
ripper_flush(parser);
}
@ -4221,13 +4218,10 @@ ripper_dispatch_delayed_token(parser, t)
{
int saved_line = ruby_sourceline;
char *saved_tokp = parser->tokp;
ID event = ripper_token2eventid(t);
VALUE str = parser->delayed;
ruby_sourceline = parser->delayed_line;
parser->tokp = lex_pbeg + parser->delayed_col;
ripper_dispatch2(parser, ripper_id_scan, ID2SYM(event), rb_str_dup(str));
yylval.val = ripper_dispatch1(parser, event, str);
yylval.val = ripper_dispatch1(parser, ripper_token2eventid(t), parser->delayed);
parser->delayed = Qnil;
ruby_sourceline = saved_line;
parser->tokp = saved_tokp;

30
sample/ripper/colorize.rb Normal file
View file

@ -0,0 +1,30 @@
require 'ripper/filter'
class ColorizeFilter < Ripper::Filter
def on_default(event, tok, f)
f << escape(tok)
end
def on_comment(tok, f)
f << %Q[<span class="comment">#{escape(tok)}</span>]
end
def on_tstring_content(tok, f)
f << %Q[<span class="string">#{escape(tok)}</span>]
end
ESC = {
'&' => '&amp;',
'<' => '&lt;',
'>' => '&gt;'
}
def escape(str)
tbl = ESC
str.gsub(/[&<>]/) {|ch| tbl[ch] }
end
end
if $0 == __FILE__
ColorizeFilter.new(ARGF).parse($stdout)
end

19
sample/ripper/strip-comment.rb Normal file
View file

@ -0,0 +1,19 @@
# $Id$
require 'ripper/filter'
class CommentStripper < Ripper::Filter
def CommentStripper.strip(src)
new(src).parse(nil)
end
def on_default(event, token, data)
print token
end
def on_comment(token, data)
puts
end
end
CommentStripper.strip(ARGF)