Class: CmdParse
- Inherits:
-
Object
- Object
- CmdParse
- Defined in:
- app/cmd_parser.rb
Defined Under Namespace
Classes: Breakpoint, LeftRecursive, List, MemoEntry, ParseError, Position, RuleInfo, SymbolEntry
Constant Summary
- DEFAULT_OPTS =
{ :debug=>false, :file_exists_proc => Proc.new{|filename| File.readable?(filename) && !File.directory?(filename) } }
Instance Attribute Summary (collapse)
-
- (Object) failed_rule
readonly
Returns the value of attribute failed_rule.
-
- (Object) failing_rule_offset
readonly
Returns the value of attribute failing_rule_offset.
-
- (Object) pos
Returns the value of attribute pos.
-
- (Object) result
readonly
Returns the value of attribute result.
-
- (Object) string
readonly
Returns the value of attribute string.
Class Method Summary (collapse)
Instance Method Summary (collapse)
-
- (Object) __hyphen_
-
sp+.
-
-
- (Object) _breakpoint_stmt
breakpoint_stmt = (location:loc - if_unless:iu - condition:cond { Breakpoint.new(loc, iu == 'unless', cond) } | breakpoint_stmt_no_condition).
-
- (Object) _breakpoint_stmt_no_condition
breakpoint_stmt_no_condition = location:loc { Breakpoint.new(loc, false, 'true') }.
-
- (Object) _class_module_chain
class_module_chain = ( { SymbolEntry.new(parent.type, text, [parent, child, sep]) } | identifier).
-
- (Object) _classvar_identifier
classvar_identifier = "@@" local_identifier:id { SymbolEntry.new(:classvar, id) }.
-
- (Object) _condition
condition = { text}.
-
- (Object) _constant_identifier
constant_identifier = { SymbolEntry.new(:constant, text) }.
-
- (Object) _dbl_escapes
dbl_escapes = ("\"" { '"' } | "\n" { "n" } | "\t" { "t" } | "\\" { "\" }).
-
- (Object) _dbl_not_quote
dbl_not_quote = (dbl_escapes | dbl_seq)+:ary { ary }.
-
- (Object) _dbl_seq
dbl_seq = { text }.
-
- (Object) _dbl_string
dbl_string = """ dbl_not_quote:ary """ { ary.join }.
-
- (Object) _downcase_letter
downcase_letter = /[a-z]/.
-
- (Object) _escapes
escapes = ("\"" { '"' } | "\n" { "n" } | "\t" { "t" } | "\ " { " " } | "\:" { ":" } | "\\" { "\" }).
-
- (Object) _file_colon_line
file_colon_line = file_no_colon:file &{ File.exist?(file) } ":" position:pos { Position.new(:file, file, pos.position_type, pos.position) }.
-
- (Object) _file_pos_sep
file_pos_sep = (sp+ | ":").
-
- (Object) _filename
filename = (dbl_string | not_space_colons).
-
- (Object) _global_identifier
global_identifier = { SymbolEntry.new(:global, text) }.
-
- (Object) _id_separator
id_separator = { text }.
-
- (Object) _id_symbol
id_symbol = (letter | "_" | [0-9]).
-
- (Object) _identifier
identifier = (global_identifier | instance_identifier | classvar_identifier | local_identifier).
-
- (Object) _if_unless
if_unless = { text }.
-
- (Object) _instance_identifier
instance_identifier = { SymbolEntry.new(:instance, text) }.
-
- (Object) _integer
integer = { text.to_i }.
-
- (Object) _internal_class_module_chain
internal_class_module_chain = ( { SymbolEntry.new(parent.type, text, [parent, child, sep]) } | local_identifier).
-
- (Object) _letter
letter = (upcase_letter | downcase_letter).
-
- (Object) _line_number
line_number = integer.
-
- (Object) _list_special_targets
list_special_targets = { text }.
-
- (Object) _list_stmt
list_stmt = ((list_special_targets | location):loc - integer:int? { List.new(loc, int) } | (list_special_targets | location):loc { List.new(loc, nil) }).
-
- (Object) _local_identifier
local_identifier = (constant_identifier | vm_identifier).
-
- (Object) _local_internal_identifier
local_internal_identifier = (constant_identifier | variable_identifier).
-
- (Object) _location
location = (position | :file &{ @file_exists_proc.call(file) } file_pos_sep position:pos { Position.new(:file, file, pos.position_type, pos.position) } | :file &{ @file_exists_proc.call(file) } { Position.new(:file, file, nil, nil) } | class_module_chain?:fn file_pos_sep position:pos { Position.new(:fn, fn, pos.position_type, pos.position) } | class_module_chain?:fn { Position.new(:fn, fn, nil, nil) }).
-
- (Object) _not_space_colon
not_space_colon = (escapes | { text }).
-
- (Object) _not_space_colons
not_space_colons = not_space_colon+:ary { ary.join }.
-
- (Object) _position
position = (vm_offset | line_number:l { Position.new(nil, nil, :line, l) }).
-
- (Object) _sinteger
sinteger = { text.to_i }.
-
- (Object) _sp
sp = /[ t]/.
-
- (Object) _suffix_letter
suffix_letter = /[=!?]/.
-
- (Object) _upcase_letter
upcase_letter = /[A-Z]/.
-
- (Object) _variable_identifier
variable_identifier = { SymbolEntry.new(:variable, text) }.
-
- (Object) _vm_identifier
vm_identifier = { SymbolEntry.new(:variable, text) }.
-
- (Object) _vm_offset
vm_offset = "@" integer:int { Position.new(nil, nil, :offset, int) }.
- - (Object) apply(rule)
-
- (Object) current_column(target = pos)
STANDALONE START.
- - (Object) current_line(target = pos)
- - (Object) failure_caret
- - (Object) failure_character
- - (Object) failure_info
- - (Object) failure_oneline
- - (Object) get_byte
- - (Object) get_text(start)
- - (Object) grow_lr(rule, start_pos, m)
-
- (CmdParse) initialize(str, opts = {})
constructor
This is distinct from setup_parser so that a standalone parser can redefine #initialize and still have access to the proper parser setup code.
- - (Object) lines
- - (Object) match_string(str)
- - (Object) parse
- - (Object) raise_error
- - (Object) scan(reg)
- - (Object) set_failed_rule(name)
-
- (Object) setup_parser(str, debug = false)
STANDALONE START.
- - (Object) show_error(io = STDOUT)
- - (Object) show_pos
Constructor Details
- (CmdParse) initialize(str, opts = {})
This is distinct from setup_parser so that a standalone parser can redefine #initialize and still have access to the proper parser setup code.
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# File 'app/cmd_parser.rb', line 16 def initialize(str, opts={}) @opts = DEFAULT_OPTS.merge(opts) setup_parser(str, opts[:debug]) @file_exists_proc = @opts[:file_exists_proc] end |
Instance Attribute Details
- (Object) failed_rule (readonly)
Returns the value of attribute failed_rule
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# File 'app/cmd_parser.rb', line 128 def failed_rule @failed_rule end |
- (Object) failing_rule_offset (readonly)
Returns the value of attribute failing_rule_offset
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# File 'app/cmd_parser.rb', line 21 def failing_rule_offset @failing_rule_offset end |
- (Object) pos
Returns the value of attribute pos
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# File 'app/cmd_parser.rb', line 22 def pos @pos end |
- (Object) result (readonly)
Returns the value of attribute result
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# File 'app/cmd_parser.rb', line 21 def result @result end |
- (Object) string (readonly)
Returns the value of attribute string
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# File 'app/cmd_parser.rb', line 20 def string @string end |
Class Method Details
+ (Object) rule_info(name, rendered)
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# File 'app/cmd_parser.rb', line 268 def self.rule_info(name, rendered) RuleInfo.new(name, rendered) end |
Instance Method Details
- (Object) __hyphen_
-
sp+
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# File 'app/cmd_parser.rb', line 895 def __hyphen_ _save = self.pos _tmp = apply(:_sp) if _tmp while true _tmp = apply(:_sp) break unless _tmp end _tmp = true else self.pos = _save end set_failed_rule :__hyphen_ unless _tmp return _tmp end |
- (Object) _breakpoint_stmt
breakpoint_stmt = (location:loc - if_unless:iu - condition:cond { Breakpoint.new(loc, iu == 'unless', cond) } | breakpoint_stmt_no_condition)
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# File 'app/cmd_parser.rb', line 1765 def _breakpoint_stmt _save = self.pos while true # choice _save1 = self.pos while true # sequence _tmp = apply(:_location) loc = @result unless _tmp self.pos = _save1 break end _tmp = apply(:__hyphen_) unless _tmp self.pos = _save1 break end _tmp = apply(:_if_unless) iu = @result unless _tmp self.pos = _save1 break end _tmp = apply(:__hyphen_) unless _tmp self.pos = _save1 break end _tmp = apply(:_condition) cond = @result unless _tmp self.pos = _save1 break end @result = begin; Breakpoint.new(loc, iu == 'unless', cond) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _tmp = apply(:_breakpoint_stmt_no_condition) break if _tmp self.pos = _save break end # end choice set_failed_rule :_breakpoint_stmt unless _tmp return _tmp end |
- (Object) _breakpoint_stmt_no_condition
breakpoint_stmt_no_condition = location:loc { Breakpoint.new(loc, false, 'true') }
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# File 'app/cmd_parser.rb', line 1740 def _breakpoint_stmt_no_condition _save = self.pos while true # sequence _tmp = apply(:_location) loc = @result unless _tmp self.pos = _save break end @result = begin; Breakpoint.new(loc, false, 'true') ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_breakpoint_stmt_no_condition unless _tmp return _tmp end |
- (Object) _class_module_chain
class_module_chain = (< identifier:parent id_separator:sep internal_class_module_chain:child > { SymbolEntry.new(parent.type, text, [parent, child, sep]) } | identifier)
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# File 'app/cmd_parser.rb', line 827 def _class_module_chain _save = self.pos while true # choice _save1 = self.pos while true # sequence _text_start = self.pos _save2 = self.pos while true # sequence _tmp = apply(:_identifier) parent = @result unless _tmp self.pos = _save2 break end _tmp = apply(:_id_separator) sep = @result unless _tmp self.pos = _save2 break end _tmp = apply(:_internal_class_module_chain) child = @result unless _tmp self.pos = _save2 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save1 break end @result = begin; SymbolEntry.new(parent.type, text, [parent, child, sep]) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _tmp = apply(:_identifier) break if _tmp self.pos = _save break end # end choice set_failed_rule :_class_module_chain unless _tmp return _tmp end |
- (Object) _classvar_identifier
classvar_identifier = "@@" local_identifier:id { SymbolEntry.new(:classvar, id) }
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# File 'app/cmd_parser.rb', line 675 def _classvar_identifier _save = self.pos while true # sequence _tmp = match_string("@@") unless _tmp self.pos = _save break end _tmp = apply(:_local_identifier) id = @result unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:classvar, id) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_classvar_identifier unless _tmp return _tmp end |
- (Object) _condition
condition = < /.+/ > { text}
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# File 'app/cmd_parser.rb', line 1714 def _condition _save = self.pos while true # sequence _text_start = self.pos _tmp = scan(/\A(?-mix:.+)/) if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_condition unless _tmp return _tmp end |
- (Object) _constant_identifier
constant_identifier = < upcase_letter id_symbol* > { SymbolEntry.new(:constant, text) }
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# File 'app/cmd_parser.rb', line 498 def _constant_identifier _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # sequence _tmp = apply(:_upcase_letter) unless _tmp self.pos = _save1 break end while true _tmp = apply(:_id_symbol) break unless _tmp end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:constant, text) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_constant_identifier unless _tmp return _tmp end |
- (Object) _dbl_escapes
dbl_escapes = ("\"" { '"' } | "\n" { "n" } | "\t" { "t" } | "\\" { "\" })
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# File 'app/cmd_parser.rb', line 912 def _dbl_escapes _save = self.pos while true # choice _save1 = self.pos while true # sequence _tmp = match_string("\\\"") unless _tmp self.pos = _save1 break end @result = begin; '"' ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _save2 = self.pos while true # sequence _tmp = match_string("\\n") unless _tmp self.pos = _save2 break end @result = begin; "\n" ; end _tmp = true unless _tmp self.pos = _save2 end break end # end sequence break if _tmp self.pos = _save _save3 = self.pos while true # sequence _tmp = match_string("\\t") unless _tmp self.pos = _save3 break end @result = begin; "\t" ; end _tmp = true unless _tmp self.pos = _save3 end break end # end sequence break if _tmp self.pos = _save _save4 = self.pos while true # sequence _tmp = match_string("\\\\") unless _tmp self.pos = _save4 break end @result = begin; "\\" ; end _tmp = true unless _tmp self.pos = _save4 end break end # end sequence break if _tmp self.pos = _save break end # end choice set_failed_rule :_dbl_escapes unless _tmp return _tmp end |
- (Object) _dbl_not_quote
dbl_not_quote = (dbl_escapes | dbl_seq)+:ary { ary }
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# File 'app/cmd_parser.rb', line 1142 def _dbl_not_quote _save = self.pos while true # sequence _save1 = self.pos _ary = [] _save2 = self.pos while true # choice _tmp = apply(:_dbl_escapes) break if _tmp self.pos = _save2 _tmp = apply(:_dbl_seq) break if _tmp self.pos = _save2 break end # end choice if _tmp _ary << @result while true _save3 = self.pos while true # choice _tmp = apply(:_dbl_escapes) break if _tmp self.pos = _save3 _tmp = apply(:_dbl_seq) break if _tmp self.pos = _save3 break end # end choice _ary << @result if _tmp break unless _tmp end _tmp = true @result = _ary else self.pos = _save1 end ary = @result unless _tmp self.pos = _save break end @result = begin; ary ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_dbl_not_quote unless _tmp return _tmp end |
- (Object) _dbl_seq
dbl_seq = < /[^\"]+/ > { text }
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# File 'app/cmd_parser.rb', line 1116 def _dbl_seq _save = self.pos while true # sequence _text_start = self.pos _tmp = scan(/\A(?-mix:[^\\"]+)/) if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_dbl_seq unless _tmp return _tmp end |
- (Object) _dbl_string
dbl_string = """ dbl_not_quote:ary """ { ary.join }
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# File 'app/cmd_parser.rb', line 1201 def _dbl_string _save = self.pos while true # sequence _tmp = match_string("\"") unless _tmp self.pos = _save break end _tmp = apply(:_dbl_not_quote) ary = @result unless _tmp self.pos = _save break end _tmp = match_string("\"") unless _tmp self.pos = _save break end @result = begin; ary.join ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_dbl_string unless _tmp return _tmp end |
- (Object) _downcase_letter
downcase_letter = /[a-z]/
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# File 'app/cmd_parser.rb', line 314 def _downcase_letter _tmp = scan(/\A(?-mix:[a-z])/) set_failed_rule :_downcase_letter unless _tmp return _tmp end |
- (Object) _escapes
escapes = ("\"" { '"' } | "\n" { "n" } | "\t" { "t" } | "\ " { " " } | "\:" { ":" } | "\\" { "\" })
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# File 'app/cmd_parser.rb', line 996 def _escapes _save = self.pos while true # choice _save1 = self.pos while true # sequence _tmp = match_string("\\\"") unless _tmp self.pos = _save1 break end @result = begin; '"' ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _save2 = self.pos while true # sequence _tmp = match_string("\\n") unless _tmp self.pos = _save2 break end @result = begin; "\n" ; end _tmp = true unless _tmp self.pos = _save2 end break end # end sequence break if _tmp self.pos = _save _save3 = self.pos while true # sequence _tmp = match_string("\\t") unless _tmp self.pos = _save3 break end @result = begin; "\t" ; end _tmp = true unless _tmp self.pos = _save3 end break end # end sequence break if _tmp self.pos = _save _save4 = self.pos while true # sequence _tmp = match_string("\\ ") unless _tmp self.pos = _save4 break end @result = begin; " " ; end _tmp = true unless _tmp self.pos = _save4 end break end # end sequence break if _tmp self.pos = _save _save5 = self.pos while true # sequence _tmp = match_string("\\:") unless _tmp self.pos = _save5 break end @result = begin; ":" ; end _tmp = true unless _tmp self.pos = _save5 end break end # end sequence break if _tmp self.pos = _save _save6 = self.pos while true # sequence _tmp = match_string("\\\\") unless _tmp self.pos = _save6 break end @result = begin; "\\" ; end _tmp = true unless _tmp self.pos = _save6 end break end # end sequence break if _tmp self.pos = _save break end # end choice set_failed_rule :_escapes unless _tmp return _tmp end |
- (Object) _file_colon_line
file_colon_line = file_no_colon:file &{ File.exist?(file) } ":" position:pos { Position.new(:file, file, pos.position_type, pos.position) }
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# File 'app/cmd_parser.rb', line 1479 def _file_colon_line _save = self.pos while true # sequence _tmp = apply(:_file_no_colon) file = @result unless _tmp self.pos = _save break end _save1 = self.pos _tmp = begin; File.exist?(file) ; end self.pos = _save1 unless _tmp self.pos = _save break end _tmp = match_string(":") unless _tmp self.pos = _save break end _tmp = apply(:_position) pos = @result unless _tmp self.pos = _save break end @result = begin; Position.new(:file, file, pos.position_type, pos.position) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_file_colon_line unless _tmp return _tmp end |
- (Object) _file_pos_sep
file_pos_sep = (sp+ | ":")
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# File 'app/cmd_parser.rb', line 1326 def _file_pos_sep _save = self.pos while true # choice _save1 = self.pos _tmp = apply(:_sp) if _tmp while true _tmp = apply(:_sp) break unless _tmp end _tmp = true else self.pos = _save1 end break if _tmp self.pos = _save _tmp = match_string(":") break if _tmp self.pos = _save break end # end choice set_failed_rule :_file_pos_sep unless _tmp return _tmp end |
- (Object) _filename
filename = (dbl_string | not_space_colons)
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# File 'app/cmd_parser.rb', line 1308 def _filename _save = self.pos while true # choice _tmp = apply(:_dbl_string) break if _tmp self.pos = _save _tmp = apply(:_not_space_colons) break if _tmp self.pos = _save break end # end choice set_failed_rule :_filename unless _tmp return _tmp end |
- (Object) _global_identifier
global_identifier = < "$" (constant_identifier | variable_identifier) > { SymbolEntry.new(:global, text) }
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# File 'app/cmd_parser.rb', line 544 def _global_identifier _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # sequence _tmp = match_string("$") unless _tmp self.pos = _save1 break end _save2 = self.pos while true # choice _tmp = apply(:_constant_identifier) break if _tmp self.pos = _save2 _tmp = apply(:_variable_identifier) break if _tmp self.pos = _save2 break end # end choice unless _tmp self.pos = _save1 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:global, text) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_global_identifier unless _tmp return _tmp end |
- (Object) _id_separator
id_separator = < ("::" | ".") > { text }
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# File 'app/cmd_parser.rb', line 729 def _id_separator _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # choice _tmp = match_string("::") break if _tmp self.pos = _save1 _tmp = match_string(".") break if _tmp self.pos = _save1 break end # end choice if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_id_separator unless _tmp return _tmp end |
- (Object) _id_symbol
id_symbol = (letter | "_" | [0-9])
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# File 'app/cmd_parser.rb', line 346 def _id_symbol _save = self.pos while true # choice _tmp = apply(:_letter) break if _tmp self.pos = _save _tmp = match_string("_") break if _tmp self.pos = _save _save1 = self.pos _tmp = get_byte if _tmp unless _tmp >= 48 and _tmp <= 57 self.pos = _save1 _tmp = nil end end break if _tmp self.pos = _save break end # end choice set_failed_rule :_id_symbol unless _tmp return _tmp end |
- (Object) _identifier
identifier = (global_identifier | instance_identifier | classvar_identifier | local_identifier)
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# File 'app/cmd_parser.rb', line 705 def _identifier _save = self.pos while true # choice _tmp = apply(:_global_identifier) break if _tmp self.pos = _save _tmp = apply(:_instance_identifier) break if _tmp self.pos = _save _tmp = apply(:_classvar_identifier) break if _tmp self.pos = _save _tmp = apply(:_local_identifier) break if _tmp self.pos = _save break end # end choice set_failed_rule :_identifier unless _tmp return _tmp end |
- (Object) _if_unless
if_unless = < ("if" | "unless") > { text }
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# File 'app/cmd_parser.rb', line 1677 def _if_unless _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # choice _tmp = match_string("if") break if _tmp self.pos = _save1 _tmp = match_string("unless") break if _tmp self.pos = _save1 break end # end choice if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_if_unless unless _tmp return _tmp end |
- (Object) _instance_identifier
instance_identifier = < "@" local_identifier > { SymbolEntry.new(:instance, text) }
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# File 'app/cmd_parser.rb', line 633 def _instance_identifier _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # sequence _tmp = match_string("@") unless _tmp self.pos = _save1 break end _tmp = apply(:_local_identifier) unless _tmp self.pos = _save1 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:instance, text) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_instance_identifier unless _tmp return _tmp end |
- (Object) _integer
integer = < /[0-9]+/ > { text.to_i }
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# File 'app/cmd_parser.rb', line 1354 def _integer _save = self.pos while true # sequence _text_start = self.pos _tmp = scan(/\A(?-mix:[0-9]+)/) if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text.to_i ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_integer unless _tmp return _tmp end |
- (Object) _internal_class_module_chain
internal_class_module_chain = (< local_internal_identifier:parent id_separator:sep internal_class_module_chain:child > { SymbolEntry.new(parent.type, text, [parent, child, sep]) } | local_identifier)
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# File 'app/cmd_parser.rb', line 766 def _internal_class_module_chain _save = self.pos while true # choice _save1 = self.pos while true # sequence _text_start = self.pos _save2 = self.pos while true # sequence _tmp = apply(:_local_internal_identifier) parent = @result unless _tmp self.pos = _save2 break end _tmp = apply(:_id_separator) sep = @result unless _tmp self.pos = _save2 break end _tmp = apply(:_internal_class_module_chain) child = @result unless _tmp self.pos = _save2 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save1 break end @result = begin; SymbolEntry.new(parent.type, text, [parent, child, sep]) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _tmp = apply(:_local_identifier) break if _tmp self.pos = _save break end # end choice set_failed_rule :_internal_class_module_chain unless _tmp return _tmp end |
- (Object) _letter
letter = (upcase_letter | downcase_letter)
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# File 'app/cmd_parser.rb', line 328 def _letter _save = self.pos while true # choice _tmp = apply(:_upcase_letter) break if _tmp self.pos = _save _tmp = apply(:_downcase_letter) break if _tmp self.pos = _save break end # end choice set_failed_rule :_letter unless _tmp return _tmp end |
- (Object) _line_number
line_number = integer
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# File 'app/cmd_parser.rb', line 1406 def _line_number _tmp = apply(:_integer) set_failed_rule :_line_number unless _tmp return _tmp end |
- (Object) _list_special_targets
list_special_targets = < ("." | "-") > { text }
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# File 'app/cmd_parser.rb', line 1823 def _list_special_targets _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # choice _tmp = match_string(".") break if _tmp self.pos = _save1 _tmp = match_string("-") break if _tmp self.pos = _save1 break end # end choice if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_list_special_targets unless _tmp return _tmp end |
- (Object) _list_stmt
list_stmt = ((list_special_targets | location):loc - integer:int? { List.new(loc, int) } | (list_special_targets | location):loc { List.new(loc, nil) })
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# File 'app/cmd_parser.rb', line 1860 def _list_stmt _save = self.pos while true # choice _save1 = self.pos while true # sequence _save2 = self.pos while true # choice _tmp = apply(:_list_special_targets) break if _tmp self.pos = _save2 _tmp = apply(:_location) break if _tmp self.pos = _save2 break end # end choice loc = @result unless _tmp self.pos = _save1 break end _tmp = apply(:__hyphen_) unless _tmp self.pos = _save1 break end _save3 = self.pos _tmp = apply(:_integer) int = @result unless _tmp _tmp = true self.pos = _save3 end unless _tmp self.pos = _save1 break end @result = begin; List.new(loc, int) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _save4 = self.pos while true # sequence _save5 = self.pos while true # choice _tmp = apply(:_list_special_targets) break if _tmp self.pos = _save5 _tmp = apply(:_location) break if _tmp self.pos = _save5 break end # end choice loc = @result unless _tmp self.pos = _save4 break end @result = begin; List.new(loc, nil) ; end _tmp = true unless _tmp self.pos = _save4 end break end # end sequence break if _tmp self.pos = _save break end # end choice return _tmp end |
- (Object) _local_identifier
local_identifier = (constant_identifier | vm_identifier)
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# File 'app/cmd_parser.rb', line 615 def _local_identifier _save = self.pos while true # choice _tmp = apply(:_constant_identifier) break if _tmp self.pos = _save _tmp = apply(:_vm_identifier) break if _tmp self.pos = _save break end # end choice set_failed_rule :_local_identifier unless _tmp return _tmp end |
- (Object) _local_internal_identifier
local_internal_identifier = (constant_identifier | variable_identifier)
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# File 'app/cmd_parser.rb', line 597 def _local_internal_identifier _save = self.pos while true # choice _tmp = apply(:_constant_identifier) break if _tmp self.pos = _save _tmp = apply(:_variable_identifier) break if _tmp self.pos = _save break end # end choice set_failed_rule :_local_internal_identifier unless _tmp return _tmp end |
- (Object) _location
location = (position | < filename >:file &{ @file_exists_proc.call(file) } file_pos_sep position:pos { Position.new(:file, file, pos.position_type, pos.position) } | < filename >:file &{ @file_exists_proc.call(file) } { Position.new(:file, file, nil, nil) } | class_module_chain?:fn file_pos_sep position:pos { Position.new(:fn, fn, pos.position_type, pos.position) } | class_module_chain?:fn { Position.new(:fn, fn, nil, nil) })
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# File 'app/cmd_parser.rb', line 1522 def _location _save = self.pos while true # choice _tmp = apply(:_position) break if _tmp self.pos = _save _save1 = self.pos while true # sequence _text_start = self.pos _tmp = apply(:_filename) if _tmp text = get_text(_text_start) end file = @result unless _tmp self.pos = _save1 break end _save2 = self.pos _tmp = begin; @file_exists_proc.call(file) ; end self.pos = _save2 unless _tmp self.pos = _save1 break end _tmp = apply(:_file_pos_sep) unless _tmp self.pos = _save1 break end _tmp = apply(:_position) pos = @result unless _tmp self.pos = _save1 break end @result = begin; Position.new(:file, file, pos.position_type, pos.position) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save _save3 = self.pos while true # sequence _text_start = self.pos _tmp = apply(:_filename) if _tmp text = get_text(_text_start) end file = @result unless _tmp self.pos = _save3 break end _save4 = self.pos _tmp = begin; @file_exists_proc.call(file) ; end self.pos = _save4 unless _tmp self.pos = _save3 break end @result = begin; Position.new(:file, file, nil, nil) ; end _tmp = true unless _tmp self.pos = _save3 end break end # end sequence break if _tmp self.pos = _save _save5 = self.pos while true # sequence _save6 = self.pos _tmp = apply(:_class_module_chain) @result = nil unless _tmp unless _tmp _tmp = true self.pos = _save6 end fn = @result unless _tmp self.pos = _save5 break end _tmp = apply(:_file_pos_sep) unless _tmp self.pos = _save5 break end _tmp = apply(:_position) pos = @result unless _tmp self.pos = _save5 break end @result = begin; Position.new(:fn, fn, pos.position_type, pos.position) ; end _tmp = true unless _tmp self.pos = _save5 end break end # end sequence break if _tmp self.pos = _save _save7 = self.pos while true # sequence _save8 = self.pos _tmp = apply(:_class_module_chain) @result = nil unless _tmp unless _tmp _tmp = true self.pos = _save8 end fn = @result unless _tmp self.pos = _save7 break end @result = begin; Position.new(:fn, fn, nil, nil) ; end _tmp = true unless _tmp self.pos = _save7 end break end # end sequence break if _tmp self.pos = _save break end # end choice set_failed_rule :_location unless _tmp return _tmp end |
- (Object) _not_space_colon
not_space_colon = (escapes | < /[^ tn:]/ > { text })
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# File 'app/cmd_parser.rb', line 1234 def _not_space_colon _save = self.pos while true # choice _tmp = apply(:_escapes) break if _tmp self.pos = _save _save1 = self.pos while true # sequence _text_start = self.pos _tmp = scan(/\A(?-mix:[^ \t\n:])/) if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save1 break end @result = begin; text ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save break end # end choice set_failed_rule :_not_space_colon unless _tmp return _tmp end |
- (Object) _not_space_colons
not_space_colons = not_space_colon+:ary { ary.join }
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# File 'app/cmd_parser.rb', line 1271 def _not_space_colons _save = self.pos while true # sequence _save1 = self.pos _ary = [] _tmp = apply(:_not_space_colon) if _tmp _ary << @result while true _tmp = apply(:_not_space_colon) _ary << @result if _tmp break unless _tmp end _tmp = true @result = _ary else self.pos = _save1 end ary = @result unless _tmp self.pos = _save break end @result = begin; ary.join ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_not_space_colons unless _tmp return _tmp end |
- (Object) _position
position = (vm_offset | line_number:l { Position.new(nil, nil, :line, l) })
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# File 'app/cmd_parser.rb', line 1443 def _position _save = self.pos while true # choice _tmp = apply(:_vm_offset) break if _tmp self.pos = _save _save1 = self.pos while true # sequence _tmp = apply(:_line_number) l = @result unless _tmp self.pos = _save1 break end @result = begin; Position.new(nil, nil, :line, l) ; end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence break if _tmp self.pos = _save break end # end choice set_failed_rule :_position unless _tmp return _tmp end |
- (Object) _sinteger
sinteger = < /[+-]?[0-9]+/ > { text.to_i }
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# File 'app/cmd_parser.rb', line 1380 def _sinteger _save = self.pos while true # sequence _text_start = self.pos _tmp = scan(/\A(?-mix:[+-]?[0-9]+)/) if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; text.to_i ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_sinteger unless _tmp return _tmp end |
- (Object) _sp
sp = /[ t]/
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# File 'app/cmd_parser.rb', line 888 def _sp _tmp = scan(/\A(?-mix:[ \t])/) set_failed_rule :_sp unless _tmp return _tmp end |
- (Object) _suffix_letter
suffix_letter = /[=!?]/
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# File 'app/cmd_parser.rb', line 321 def _suffix_letter _tmp = scan(/\A(?-mix:[=!?])/) set_failed_rule :_suffix_letter unless _tmp return _tmp end |
- (Object) _upcase_letter
upcase_letter = /[A-Z]/
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# File 'app/cmd_parser.rb', line 307 def _upcase_letter _tmp = scan(/\A(?-mix:[A-Z])/) set_failed_rule :_upcase_letter unless _tmp return _tmp end |
- (Object) _variable_identifier
variable_identifier = < (downcase_letter | "_") id_symbol* > { SymbolEntry.new(:variable, text) }
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# File 'app/cmd_parser.rb', line 441 def _variable_identifier _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # sequence _save2 = self.pos while true # choice _tmp = apply(:_downcase_letter) break if _tmp self.pos = _save2 _tmp = match_string("_") break if _tmp self.pos = _save2 break end # end choice unless _tmp self.pos = _save1 break end while true _tmp = apply(:_id_symbol) break unless _tmp end _tmp = true unless _tmp self.pos = _save1 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:variable, text) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_variable_identifier unless _tmp return _tmp end |
- (Object) _vm_identifier
vm_identifier = < (downcase_letter | "_") id_symbol* suffix_letter? > { SymbolEntry.new(:variable, text) }
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# File 'app/cmd_parser.rb', line 374 def _vm_identifier _save = self.pos while true # sequence _text_start = self.pos _save1 = self.pos while true # sequence _save2 = self.pos while true # choice _tmp = apply(:_downcase_letter) break if _tmp self.pos = _save2 _tmp = match_string("_") break if _tmp self.pos = _save2 break end # end choice unless _tmp self.pos = _save1 break end while true _tmp = apply(:_id_symbol) break unless _tmp end _tmp = true unless _tmp self.pos = _save1 break end _save4 = self.pos _tmp = apply(:_suffix_letter) unless _tmp _tmp = true self.pos = _save4 end unless _tmp self.pos = _save1 end break end # end sequence if _tmp text = get_text(_text_start) end unless _tmp self.pos = _save break end @result = begin; SymbolEntry.new(:variable, text) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_vm_identifier unless _tmp return _tmp end |
- (Object) _vm_offset
vm_offset = "@" integer:int { Position.new(nil, nil, :offset, int) }
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# File 'app/cmd_parser.rb', line 1413 def _vm_offset _save = self.pos while true # sequence _tmp = match_string("@") unless _tmp self.pos = _save break end _tmp = apply(:_integer) int = @result unless _tmp self.pos = _save break end @result = begin; Position.new(nil, nil, :offset, int) ; end _tmp = true unless _tmp self.pos = _save end break end # end sequence set_failed_rule :_vm_offset unless _tmp return _tmp end |
- (Object) apply(rule)
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# File 'app/cmd_parser.rb', line 205 def apply(rule) if m = @memoizations[rule][@pos] m.inc! prev = @pos @pos = m.pos if m.ans.kind_of? LeftRecursive m.ans.detected = true return nil end @result = m.result return m.ans else lr = LeftRecursive.new(false) m = MemoEntry.new(lr, @pos) @memoizations[rule][@pos] = m start_pos = @pos ans = __send__ rule m.move! ans, @pos, @result # Don't bother trying to grow the left recursion # if it's failing straight away (thus there is no seed) if ans and lr.detected return grow_lr(rule, start_pos, m) else return ans end return ans end end |
- (Object) current_column(target = pos)
STANDALONE START
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# File 'app/cmd_parser.rb', line 25 def current_column(target=pos) if c = string.rindex("\n", target-1) return target - c - 1 end target + 1 end |
- (Object) current_line(target = pos)
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# File 'app/cmd_parser.rb', line 33 def current_line(target=pos) cur_offset = 0 cur_line = 0 string.each_line do |line| cur_line += 1 cur_offset += line.size return cur_line if cur_offset >= target end -1 end |
- (Object) failure_caret
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# File 'app/cmd_parser.rb', line 75 def failure_caret l = current_line @failing_rule_offset c = current_column @failing_rule_offset line = lines[l-1] "#{line}\n#{' ' * (c - 1)}^" end |
- (Object) failure_character
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# File 'app/cmd_parser.rb', line 83 def failure_character l = current_line @failing_rule_offset c = current_column @failing_rule_offset lines[l-1][c-1, 1] end |
- (Object) failure_info
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# File 'app/cmd_parser.rb', line 67 def failure_info l = current_line @failing_rule_offset c = current_column @failing_rule_offset info = self.class::Rules[@failed_rule] "line #{l}, column #{c}: failed rule '#{info.name}' = '#{info.rendered}'" end |
- (Object) failure_oneline
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# File 'app/cmd_parser.rb', line 89 def failure_oneline l = current_line @failing_rule_offset c = current_column @failing_rule_offset info = self.class::Rules[@failed_rule] char = lines[l-1][c-1, 1] "@#{l}:#{c} failed rule '#{info.name}', got '#{char}'" end |
- (Object) get_byte
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# File 'app/cmd_parser.rb', line 151 def get_byte if @pos >= @string.size return nil end s = @string[@pos] @pos += 1 s end |
- (Object) get_text(start)
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# File 'app/cmd_parser.rb', line 54 def get_text(start) @string[start..@pos-1] end |
- (Object) grow_lr(rule, start_pos, m)
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# File 'app/cmd_parser.rb', line 241 def grow_lr(rule, start_pos, m) while true @pos = start_pos @result = m.result ans = __send__ rule return nil unless ans break if @pos <= m.pos m.move! ans, @pos, @result end @result = m.result @pos = m.pos return m.ans end |
- (Object) lines
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# File 'app/cmd_parser.rb', line 46 def lines lines = [] string.each_line { |l| lines << l } lines end |
- (Object) match_string(str)
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# File 'app/cmd_parser.rb', line 130 def match_string(str) len = str.size if @string[pos,len] == str @pos += len return str end return nil end |
- (Object) parse
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# File 'app/cmd_parser.rb', line 172 def parse _root ? true : false end |
- (Object) raise_error
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# File 'app/cmd_parser.rb', line 102 def raise_error raise ParseError, failure_oneline end |
- (Object) scan(reg)
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# File 'app/cmd_parser.rb', line 140 def scan(reg) if m = reg.match(@string[@pos..-1]) width = m.end(0) @pos += width return true end return nil end |
- (Object) set_failed_rule(name)
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# File 'app/cmd_parser.rb', line 121 def set_failed_rule(name) if @pos > @failing_rule_offset @failed_rule = name @failing_rule_offset = @pos end end |
- (Object) setup_parser(str, debug = false)
STANDALONE START
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# File 'app/cmd_parser.rb', line 3 def setup_parser(str, debug=false) @string = str @pos = 0 @memoizations = Hash.new { |h,k| h[k] = {} } @result = nil @failed_rule = nil @failing_rule_offset = -1 end |
- (Object) show_error(io = STDOUT)
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# File 'app/cmd_parser.rb', line 106 def show_error(io=STDOUT) error_pos = @failing_rule_offset line_no = current_line(error_pos) col_no = current_column(error_pos) info = self.class::Rules[@failed_rule] io.puts "On line #{line_no}, column #{col_no}:" io.puts "Failed to match '#{info.rendered}' (rule '#{info.name}')" io.puts "Got: #{string[error_pos,1].inspect}" line = lines[line_no-1] io.puts "=> #{line}" io.print(" " * (col_no + 3)) io.puts "^" end |
- (Object) show_pos
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# File 'app/cmd_parser.rb', line 58 def show_pos width = 10 if @pos < width "#{@pos} (\"#{@string[0,@pos]}\" @ \"#{@string[@pos,width]}\")" else "#{@pos} (\"... #{@string[@pos - width, width]}\" @ \"#{@string[@pos,width]}\")" end end |