Class: Packcr::Node::ErrorNode
- Inherits:
-
Packcr::Node
- Object
- Packcr::Node
- Packcr::Node::ErrorNode
- Defined in:
- lib/packcr/node/error_node.rb,
lib/packcr/generated/node/error_node.rb
Instance Attribute Summary collapse
-
#capts ⇒ Object
Returns the value of attribute capts.
-
#code ⇒ Object
Returns the value of attribute code.
-
#expr ⇒ Object
Returns the value of attribute expr.
-
#index ⇒ Object
Returns the value of attribute index.
-
#vars ⇒ Object
Returns the value of attribute vars.
Instance Method Summary collapse
- #debug_dump(indent = 0) ⇒ Object
- #generate_code(gen, onfail, indent, bare, oncut: nil) ⇒ Object
- #get_code(gen, onfail, indent, bare, oncut) ⇒ Object
-
#initialize(expr = nil, code = nil, index = nil) ⇒ ErrorNode
constructor
A new instance of ErrorNode.
- #nodes ⇒ Object
- #reachability ⇒ Object
- #setup_rule(rule) ⇒ Object
- #to_h ⇒ Object
- #verify_captures(ctx, capts) ⇒ Object
- #verify_variables(vars) ⇒ Object
Methods inherited from Packcr::Node
#alt, #link_references, #reversible?, #seq, #sequence?, #setup
Constructor Details
#initialize(expr = nil, code = nil, index = nil) ⇒ ErrorNode
Returns a new instance of ErrorNode.
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# File 'lib/packcr/node/error_node.rb', line 6 def initialize(expr = nil, code = nil, index = nil) super() @expr = expr @code = code @index = index self.vars = [] self.capts = [] end |
Instance Attribute Details
#capts ⇒ Object
Returns the value of attribute capts.
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# File 'lib/packcr/node/error_node.rb', line 4 def capts @capts end |
#code ⇒ Object
Returns the value of attribute code.
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# File 'lib/packcr/node/error_node.rb', line 4 def code @code end |
#expr ⇒ Object
Returns the value of attribute expr.
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# File 'lib/packcr/node/error_node.rb', line 4 def expr @expr end |
#index ⇒ Object
Returns the value of attribute index.
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# File 'lib/packcr/node/error_node.rb', line 4 def index @index end |
#vars ⇒ Object
Returns the value of attribute vars.
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# File 'lib/packcr/node/error_node.rb', line 4 def vars @vars end |
Instance Method Details
#debug_dump(indent = 0) ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 15 def debug_dump(indent = 0) $stdout.print "#{" " * indent}Error(index:" Packcr.dump_integer_value(index) $stdout.print ", code:{" Packcr.dump_escaped_string(code.text) $stdout.print "}, vars:\n" vars.each do |ref| $stdout.print "#{" " * (indent + 2)}'#{ref.var}'\n" end capts.each do |capt| $stdout.print "#{" " * (indent + 2)}$#{capt.index + 1}\n" end $stdout.print "#{" " * indent}) {\n" expr.debug_dump(indent + 2) $stdout.print "#{" " * indent}}\n" end |
#generate_code(gen, onfail, indent, bare, oncut: nil) ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 32 def generate_code(gen, onfail, indent, , oncut: nil) gen.write Packcr.format_code(get_code(gen, onfail, indent, , oncut), indent: indent, unwrap: ) end |
#get_code(gen, onfail, indent, bare, oncut) ⇒ Object
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# File 'lib/packcr/generated/node/error_node.rb', line 4 def get_code(gen, onfail, indent, , oncut) case gen.lang when :c erbout = +"" erbout << "{\n".freeze l = gen.next_label m = gen.next_label erbout << "#{gen.generate_code(expr, l, 4, true)} goto L#{format("%04d", m)};\nL#{format("%04d", l)}:;\n {\n packcr_value_t null;\n packcr_thunk_t *const thunk = packcr_thunk__create_leaf(ctx->auxil, packcr_action_#{gen.rule.name}_#{index}, #{gen.rule.vars.length}, #{gen.rule.capts.length});\n".freeze vars.each do |var| erbout << " thunk->data.leaf.values.buf[#{var.index}] = &(chunk->values.buf[#{var.index}]);\n".freeze end capts.each do |capt| erbout << " thunk->data.leaf.capts.buf[#{capt.index}] = &(chunk->capts.buf[#{capt.index}]);\n".freeze end erbout << " thunk->data.leaf.capt0.range.start = chunk->pos;\n thunk->data.leaf.capt0.range.end = ctx->position_offset;\n".freeze if gen.location erbout << " thunk->data.leaf.capt0.range.start_loc = chunk->pos_loc;\n thunk->data.leaf.capt0.range.end_loc = ctx->position_offset_loc;\n".freeze end erbout << " memset(&null, 0, sizeof(packcr_value_t)); /* in case */\n thunk->data.leaf.action(ctx, thunk, &null);\n packcr_thunk__destroy(ctx->auxil, thunk);\n }\n goto L#{format("%04d", onfail)};\nL#{format("%04d", m)}:;\n}\n".freeze erbout when :rb erbout = +"" l = gen.next_label m = gen.next_label erbout << "catch(#{m}) do\n catch(#{l}) do\n#{gen.generate_code(expr, l, 4, false)} throw(#{m})\n end\n\n action_#{gen.rule.name}_#{index}(\n ThunkLeaf.new(\n :action_#{gen.rule.name}_#{index},\n Capture.new(\n answer.pos, @position_offset,\n".freeze if gen.location erbout << " answer.pos_loc,@position_offset_loc,\n".freeze end erbout << " ),\n".freeze if vars.empty? erbout << " {},\n".freeze else erbout << " answer.values.slice(".freeze vars.each_with_index do |var, i| erbout << "#{", " if i > 0}#{var.index}".freeze end erbout << "),\n".freeze end if capts.empty? erbout << " {},\n".freeze else erbout << " answer.capts.slice(".freeze capts.each_with_index do |capt, i| erbout << "#{", " if i > 0}#{capt.index}".freeze end erbout << "),\n".freeze end erbout << " ),\n nil,\n 0\n )\n\n throw(#{onfail})\nend\n".freeze erbout end end |
#nodes ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 50 def nodes [expr] end |
#reachability ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 36 def reachability expr.reachability end |
#setup_rule(rule) ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 54 def setup_rule(rule) @index = rule.codes.length rule.codes.push(self) end |
#to_h ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 59 def to_h { type: :error, code: code&.text, vars: vars&.map(&:to_h), capts: capts&.map(&:to_h), index: @index, } end |
#verify_captures(ctx, capts) ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 45 def verify_captures(ctx, capts) @capts = capts super end |
#verify_variables(vars) ⇒ Object
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# File 'lib/packcr/node/error_node.rb', line 40 def verify_variables(vars) @vars = vars super end |