Class: Packcr::Node::ReferenceNode
- Inherits:
-
Packcr::Node
- Object
- Packcr::Node
- Packcr::Node::ReferenceNode
- Defined in:
- lib/packcr/node/reference_node.rb
Instance Attribute Summary collapse
-
#col ⇒ Object
Returns the value of attribute col.
-
#index ⇒ Object
Returns the value of attribute index.
-
#line ⇒ Object
Returns the value of attribute line.
-
#name ⇒ Object
Returns the value of attribute name.
-
#rule ⇒ Object
Returns the value of attribute rule.
-
#var ⇒ Object
Returns the value of attribute var.
Instance Method Summary collapse
- #debug_dump(indent = 0) ⇒ Object
- #generate_code(gen, onfail, indent, bare) ⇒ Object
- #link_references(ctx) ⇒ Object
- #verify_captures(ctx, capts) ⇒ Object
- #verify_variables(vars) ⇒ Object
Instance Attribute Details
#col ⇒ Object
Returns the value of attribute col.
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# File 'lib/packcr/node/reference_node.rb', line 4 def col @col end |
#index ⇒ Object
Returns the value of attribute index.
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# File 'lib/packcr/node/reference_node.rb', line 4 def index @index end |
#line ⇒ Object
Returns the value of attribute line.
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# File 'lib/packcr/node/reference_node.rb', line 4 def line @line end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/packcr/node/reference_node.rb', line 4 def name @name end |
#rule ⇒ Object
Returns the value of attribute rule.
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# File 'lib/packcr/node/reference_node.rb', line 4 def rule @rule end |
#var ⇒ Object
Returns the value of attribute var.
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# File 'lib/packcr/node/reference_node.rb', line 4 def var @var end |
Instance Method Details
#debug_dump(indent = 0) ⇒ Object
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# File 'lib/packcr/node/reference_node.rb', line 6 def debug_dump(indent = 0) $stdout.print "#{" " * indent}Reference(var:'#{var || "(null)"}', index:" Packcr.dump_integer_value(index) $stdout.print ", name:'#{name}', rule:'#{rule&.name || "(null)"}')\n" end |
#generate_code(gen, onfail, indent, bare) ⇒ Object
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# File 'lib/packcr/node/reference_node.rb', line 12 def generate_code(gen, onfail, indent, ) gen.write Packcr.template("node/reference.#{gen.lang}.erb", binding, indent: indent) Packcr::CODE_REACH__BOTH end |
#link_references(ctx) ⇒ Object
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# File 'lib/packcr/node/reference_node.rb', line 32 def link_references(ctx) rule = ctx.rule(name) if !rule ctx.error line + 1, col + 1, "No definition of rule '#{name}'" else unless rule.is_a?(Packcr::Node::RuleNode) raise "unexpected node type #{rule.class}" end rule.add_ref self.rule = rule end end |
#verify_captures(ctx, capts) ⇒ Object
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# File 'lib/packcr/node/reference_node.rb', line 29 def verify_captures(ctx, capts) end |
#verify_variables(vars) ⇒ Object
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# File 'lib/packcr/node/reference_node.rb', line 17 def verify_variables(vars) return if index.nil? found = vars.any? do |var| unless var.is_a?(Packcr::Node::ReferenceNode) raise "unexpected var: #{var.class}" end index == var.index end vars.push(self) if !found end |