Class: Packcr::Node::ActionNode
- Inherits:
-
Packcr::Node
- Object
- Packcr::Node
- Packcr::Node::ActionNode
- Defined in:
- lib/packcr/node/action_node.rb,
lib/packcr/generated/node/action_node.rb
Instance Attribute Summary collapse
-
#capts ⇒ Object
Returns the value of attribute capts.
-
#code ⇒ Object
Returns the value of attribute code.
-
#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(code = nil) ⇒ ActionNode
constructor
A new instance of ActionNode.
- #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, #nodes, #reversible?, #seq, #sequence?, #setup
Constructor Details
#initialize(code = nil) ⇒ ActionNode
Returns a new instance of ActionNode.
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# File 'lib/packcr/node/action_node.rb', line 6 def initialize(code = nil) super() @code = code self.vars = [] self.capts = [] end |
Instance Attribute Details
#capts ⇒ Object
Returns the value of attribute capts.
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# File 'lib/packcr/node/action_node.rb', line 4 def capts @capts end |
#code ⇒ Object
Returns the value of attribute code.
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# File 'lib/packcr/node/action_node.rb', line 4 def code @code end |
#index ⇒ Object
Returns the value of attribute index.
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# File 'lib/packcr/node/action_node.rb', line 4 def index @index end |
#vars ⇒ Object
Returns the value of attribute vars.
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# File 'lib/packcr/node/action_node.rb', line 4 def vars @vars end |
Instance Method Details
#debug_dump(indent = 0) ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 13 def debug_dump(indent = 0) $stdout.print "#{" " * indent}Action(index:" Packcr.dump_integer_value(index) $stdout.print ", code:{" Packcr.dump_escaped_string(code.text) $stdout.print "}, vars:" vars = self.vars capts = self.capts if vars.length + capts.length > 0 $stdout.print "\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" else $stdout.print "none)\n" end end |
#generate_code(gen, onfail, indent, bare, oncut: nil) ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 36 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/action_node.rb', line 4 def get_code(gen, onfail, indent, , oncut) case gen.lang when :c erbout = +"" erbout << "{\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 << " packcr_thunk_array__add(ctx->auxil, &chunk->thunks, thunk);\n}\n".freeze erbout when :rb erbout = +"" erbout << "answer.thunks.push(\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)\n".freeze erbout end end |
#reachability ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 40 def reachability Packcr::CODE_REACH__ALWAYS_SUCCEED end |
#setup_rule(rule) ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 52 def setup_rule(rule) @index = rule.codes.length rule.codes.push(self) end |
#to_h ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 57 def to_h { type: :action, code: code&.text, vars: vars&.map(&:to_h), capts: capts&.map(&:to_h), } end |
#verify_captures(_ctx, capts) ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 48 def verify_captures(_ctx, capts) @capts = capts end |
#verify_variables(vars) ⇒ Object
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# File 'lib/packcr/node/action_node.rb', line 44 def verify_variables(vars) @vars = vars end |