class Prism::Serialize::Loader
:nodoc:
def define_load_node_lambdas
def define_load_node_lambdas @load_node_lambdas = [ nil, -> { node_id = load_varuint location = load_location AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location) }, -> { node_id = load_varuint location = load_location AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location) }, -> { node_id = load_varuint location = load_location CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) }, -> { node_id = load_varuint location = load_location ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) }, -> { node_id = load_varuint location = load_location ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location load_uint32 DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node) }, -> { node_id = load_varuint location = load_location EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location FalseNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location FloatNode.new(source, node_id, location, load_varuint, load_double) }, -> { node_id = load_varuint location = load_location ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location ForwardingArgumentsNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ForwardingParameterNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node) }, -> { node_id = load_varuint location = load_location GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location ImaginaryNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location ImplicitNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location ImplicitRestNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location) }, -> { node_id = load_varuint location = load_location IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location IntegerNode.new(source, node_id, location, load_varuint, load_integer) }, -> { node_id = load_varuint location = load_location InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) }, -> { node_id = load_varuint location = load_location InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) }, -> { node_id = load_varuint location = load_location InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location ItLocalVariableReadNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ItParametersNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) }, -> { node_id = load_varuint location = load_location LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location MissingNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant) }, -> { node_id = load_varuint location = load_location MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) }, -> { node_id = load_varuint location = load_location MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location NilNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location) }, -> { node_id = load_varuint location = load_location NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte) }, -> { node_id = load_varuint location = load_location NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint) }, -> { node_id = load_varuint location = load_location OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node) }, -> { node_id = load_varuint location = load_location OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) }, -> { node_id = load_varuint location = load_location OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) }, -> { node_id = load_varuint location = load_location ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location) }, -> { node_id = load_varuint location = load_location PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location) }, -> { node_id = load_varuint location = load_location PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) }, -> { node_id = load_varuint location = load_location ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node) }, -> { node_id = load_varuint location = load_location RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer) }, -> { node_id = load_varuint location = load_location RedoNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location) }, -> { node_id = load_varuint location = load_location RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant) }, -> { node_id = load_varuint location = load_location RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) }, -> { node_id = load_varuint location = load_location RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node) }, -> { node_id = load_varuint location = load_location RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) }, -> { node_id = load_varuint location = load_location RetryNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location SelfNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location ShareableConstantNode.new(source, node_id, location, load_varuint, load_node) }, -> { node_id = load_varuint location = load_location SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location) }, -> { node_id = load_varuint location = load_location SourceEncodingNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location SourceFileNode.new(source, node_id, location, load_varuint, load_string) }, -> { node_id = load_varuint location = load_location SourceLineNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) }, -> { node_id = load_varuint location = load_location StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) }, -> { node_id = load_varuint location = load_location StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string) }, -> { node_id = load_varuint location = load_location SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string) }, -> { node_id = load_varuint location = load_location TrueNode.new(source, node_id, location, load_varuint) }, -> { node_id = load_varuint location = load_location UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location) }, -> { node_id = load_varuint location = load_location UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) }, -> { node_id = load_varuint location = load_location UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_node, load_optional_node) }, -> { node_id = load_varuint location = load_location WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node) }, -> { node_id = load_varuint location = load_location WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_node, load_optional_node) }, -> { node_id = load_varuint location = load_location XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) }, -> { node_id = load_varuint location = load_location YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location) }, ] end
def initialize(source, serialized)
def initialize(source, serialized) @encoding = Encoding::UTF_8 @input = source.source.dup raise unless serialized.encoding == Encoding::BINARY @serialized = serialized @io = FastStringIO.new(serialized) @constant_pool_offset = nil @constant_pool = nil @source = source define_load_node_lambdas unless RUBY_ENGINE == "ruby" end
def load_comments
def load_comments Array.new(load_varuint) do case load_varuint when 0 then InlineComment.new(load_location_object) when 1 then EmbDocComment.new(load_location_object) end end end
def load_constant(index)
def load_constant(index) constant = constant_pool[index] unless constant offset = constant_pool_offset + index * 8 start = @serialized.unpack1("L", offset: offset) length = @serialized.unpack1("L", offset: offset + 4) constant = if start.nobits?(1 << 31) input.byteslice(start, length).force_encoding(@encoding).to_sym else @serialized.byteslice(start & ((1 << 31) - 1), length).force_encoding(@encoding).to_sym end constant_pool[index] = constant end constant end
def load_double
def load_double io.read(8).unpack1("D") end
def load_embedded_string
def load_embedded_string io.read(load_varuint).force_encoding(encoding) end
def load_encoding
def load_encoding @encoding = Encoding.find(io.read(load_varuint)) @input = input.force_encoding(@encoding).freeze @encoding end
def load_error_level
def load_error_level level = io.getbyte case level when 0 :syntax when 1 :argument when 2 :load else raise "Unknown level: #{level}" end end
def load_header
def load_header raise "Invalid serialization" if io.read(5) != "PRISM" raise "Invalid serialization" if io.read(3).unpack("C3") != [MAJOR_VERSION, MINOR_VERSION, PATCH_VERSION] only_semantic_fields = io.getbyte unless only_semantic_fields == 0 raise "Invalid serialization (location fields must be included but are not)" end end
def load_integer
def load_integer negative = io.getbyte != 0 length = load_varuint value = 0 length.times { |index| value |= (load_varuint << (index * 32)) } value = -value if negative value end
def load_line_offsets
def load_line_offsets source.instance_variable_set :@offsets, Array.new(load_varuint) { load_varuint } end
def load_location
def load_location (load_varuint << 32) | load_varuint end
def load_location_object
def load_location_object Location.new(source, load_varuint, load_varuint) end
def load_metadata
def load_metadata comments = load_comments magic_comments = Array.new(load_varuint) { MagicComment.new(load_location_object, load_location_object) } data_loc = load_optional_location_object errors = Array.new(load_varuint) { ParseError.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_error_level) } warnings = Array.new(load_varuint) { ParseWarning.new(DIAGNOSTIC_TYPES.fetch(load_varuint), load_embedded_string, load_location_object, load_warning_level) } [comments, magic_comments, data_loc, errors, warnings] end
def load_node
def load_node type = io.getbyte node_id = load_varuint location = load_location case type when 1 then AliasGlobalVariableNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 2 then AliasMethodNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 3 then AlternationPatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 4 then AndNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 5 then ArgumentsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 6 then ArrayNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 7 then ArrayPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 8 then AssocNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_location) when 9 then AssocSplatNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 10 then BackReferenceReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 11 then BeginNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_node, load_optional_node, load_optional_node, load_optional_node, load_optional_location) when 12 then BlockArgumentNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 13 then BlockLocalVariableNode.new(source, node_id, location, load_varuint, load_required_constant) when 14 then BlockNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_optional_node, load_optional_node, load_location, load_location) when 15 then BlockParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 16 then BlockParametersNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 17 then BreakNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 18 then CallAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) when 19 then CallNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_required_constant, load_optional_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) when 20 then CallOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_required_constant, load_location, load_node) when 21 then CallOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_optional_location, load_required_constant, load_required_constant, load_location, load_node) when 22 then CallTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_required_constant, load_location) when 23 then CapturePatternNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 24 then CaseMatchNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) when 25 then CaseNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_location, load_location) when 26 then ClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_location, load_required_constant) when 27 then ClassVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 28 then ClassVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 29 then ClassVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 30 then ClassVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 31 then ClassVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 32 then ClassVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 33 then ConstantAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 34 then ConstantOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 35 then ConstantOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 36 then ConstantPathAndWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 37 then ConstantPathNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) when 38 then ConstantPathOperatorWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node, load_required_constant) when 39 then ConstantPathOrWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 40 then ConstantPathTargetNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_constant, load_location, load_location) when 41 then ConstantPathWriteNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 42 then ConstantReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 43 then ConstantTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 44 then ConstantWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 45 then load_uint32 DefNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_optional_node, load_optional_node, load_optional_node, Array.new(load_varuint) { load_required_constant }, load_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location, load_optional_location) when 46 then DefinedNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_location) when 47 then ElseNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_optional_location) when 48 then EmbeddedStatementsNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) when 49 then EmbeddedVariableNode.new(source, node_id, location, load_varuint, load_location, load_node) when 50 then EnsureNode.new(source, node_id, location, load_varuint, load_location, load_optional_node, load_location) when 51 then FalseNode.new(source, node_id, location, load_varuint) when 52 then FindPatternNode.new(source, node_id, location, load_varuint, load_optional_node, load_node, Array.new(load_varuint) { load_node }, load_node, load_optional_location, load_optional_location) when 53 then FlipFlopNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) when 54 then FloatNode.new(source, node_id, location, load_varuint, load_double) when 55 then ForNode.new(source, node_id, location, load_varuint, load_node, load_node, load_optional_node, load_location, load_location, load_optional_location, load_location) when 56 then ForwardingArgumentsNode.new(source, node_id, location, load_varuint) when 57 then ForwardingParameterNode.new(source, node_id, location, load_varuint) when 58 then ForwardingSuperNode.new(source, node_id, location, load_varuint, load_optional_node) when 59 then GlobalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 60 then GlobalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 61 then GlobalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 62 then GlobalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 63 then GlobalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 64 then GlobalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 65 then HashNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 66 then HashPatternNode.new(source, node_id, location, load_varuint, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_location, load_optional_location) when 67 then IfNode.new(source, node_id, location, load_varuint, load_optional_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) when 68 then ImaginaryNode.new(source, node_id, location, load_varuint, load_node) when 69 then ImplicitNode.new(source, node_id, location, load_varuint, load_node) when 70 then ImplicitRestNode.new(source, node_id, location, load_varuint) when 71 then InNode.new(source, node_id, location, load_varuint, load_node, load_optional_node, load_location, load_optional_location) when 72 then IndexAndWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) when 73 then IndexOperatorWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_required_constant, load_location, load_node) when 74 then IndexOrWriteNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_location, load_location, load_optional_node, load_location, load_optional_node, load_location, load_node) when 75 then IndexTargetNode.new(source, node_id, location, load_varuint, load_node, load_location, load_optional_node, load_location, load_optional_node) when 76 then InstanceVariableAndWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 77 then InstanceVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node, load_required_constant) when 78 then InstanceVariableOrWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 79 then InstanceVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant) when 80 then InstanceVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant) when 81 then InstanceVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node, load_location) when 82 then IntegerNode.new(source, node_id, location, load_varuint, load_integer) when 83 then InterpolatedMatchLastLineNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 84 then InterpolatedRegularExpressionNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 85 then InterpolatedStringNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) when 86 then InterpolatedSymbolNode.new(source, node_id, location, load_varuint, load_optional_location, Array.new(load_varuint) { load_node }, load_optional_location) when 87 then InterpolatedXStringNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_location) when 88 then ItLocalVariableReadNode.new(source, node_id, location, load_varuint) when 89 then ItParametersNode.new(source, node_id, location, load_varuint) when 90 then KeywordHashNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 91 then KeywordRestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 92 then LambdaNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_location, load_optional_node, load_optional_node) when 93 then LocalVariableAndWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) when 94 then LocalVariableOperatorWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_required_constant, load_varuint) when 95 then LocalVariableOrWriteNode.new(source, node_id, location, load_varuint, load_location, load_location, load_node, load_required_constant, load_varuint) when 96 then LocalVariableReadNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) when 97 then LocalVariableTargetNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint) when 98 then LocalVariableWriteNode.new(source, node_id, location, load_varuint, load_required_constant, load_varuint, load_location, load_node, load_location) when 99 then MatchLastLineNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 100 then MatchPredicateNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 101 then MatchRequiredNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 102 then MatchWriteNode.new(source, node_id, location, load_varuint, load_node, Array.new(load_varuint) { load_node }) when 103 then MissingNode.new(source, node_id, location, load_varuint) when 104 then ModuleNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_node, load_optional_node, load_location, load_required_constant) when 105 then MultiTargetNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location) when 106 then MultiWriteNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_location, load_location, load_node) when 107 then NextNode.new(source, node_id, location, load_varuint, load_optional_node, load_location) when 108 then NilNode.new(source, node_id, location, load_varuint) when 109 then NoKeywordsParameterNode.new(source, node_id, location, load_varuint, load_location, load_location) when 110 then NumberedParametersNode.new(source, node_id, location, load_varuint, io.getbyte) when 111 then NumberedReferenceReadNode.new(source, node_id, location, load_varuint, load_varuint) when 112 then OptionalKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_node) when 113 then OptionalParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location, load_location, load_node) when 114 then OrNode.new(source, node_id, location, load_varuint, load_node, load_node, load_location) when 115 then ParametersNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, Array.new(load_varuint) { load_node }, Array.new(load_varuint) { load_node }, load_optional_node, load_optional_node) when 116 then ParenthesesNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location) when 117 then PinnedExpressionNode.new(source, node_id, location, load_varuint, load_node, load_location, load_location, load_location) when 118 then PinnedVariableNode.new(source, node_id, location, load_varuint, load_node, load_location) when 119 then PostExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) when 120 then PreExecutionNode.new(source, node_id, location, load_varuint, load_optional_node, load_location, load_location, load_location) when 121 then ProgramNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_node) when 122 then RangeNode.new(source, node_id, location, load_varuint, load_optional_node, load_optional_node, load_location) when 123 then RationalNode.new(source, node_id, location, load_varuint, load_integer, load_integer) when 124 then RedoNode.new(source, node_id, location, load_varuint) when 125 then RegularExpressionNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 126 then RequiredKeywordParameterNode.new(source, node_id, location, load_varuint, load_required_constant, load_location) when 127 then RequiredParameterNode.new(source, node_id, location, load_varuint, load_required_constant) when 128 then RescueModifierNode.new(source, node_id, location, load_varuint, load_node, load_location, load_node) when 129 then RescueNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node, load_optional_node, load_optional_node) when 130 then RestParameterNode.new(source, node_id, location, load_varuint, load_optional_constant, load_optional_location, load_location) when 131 then RetryNode.new(source, node_id, location, load_varuint) when 132 then ReturnNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) when 133 then SelfNode.new(source, node_id, location, load_varuint) when 134 then ShareableConstantNode.new(source, node_id, location, load_varuint, load_node) when 135 then SingletonClassNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_required_constant }, load_location, load_location, load_node, load_optional_node, load_location) when 136 then SourceEncodingNode.new(source, node_id, location, load_varuint) when 137 then SourceFileNode.new(source, node_id, location, load_varuint, load_string) when 138 then SourceLineNode.new(source, node_id, location, load_varuint) when 139 then SplatNode.new(source, node_id, location, load_varuint, load_location, load_optional_node) when 140 then StatementsNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }) when 141 then StringNode.new(source, node_id, location, load_varuint, load_optional_location, load_location, load_optional_location, load_string) when 142 then SuperNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location, load_optional_node) when 143 then SymbolNode.new(source, node_id, location, load_varuint, load_optional_location, load_optional_location, load_optional_location, load_string) when 144 then TrueNode.new(source, node_id, location, load_varuint) when 145 then UndefNode.new(source, node_id, location, load_varuint, Array.new(load_varuint) { load_node }, load_location) when 146 then UnlessNode.new(source, node_id, location, load_varuint, load_location, load_node, load_optional_location, load_optional_node, load_optional_node, load_optional_location) when 147 then UntilNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_node, load_optional_node) when 148 then WhenNode.new(source, node_id, location, load_varuint, load_location, Array.new(load_varuint) { load_node }, load_optional_location, load_optional_node) when 149 then WhileNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_node, load_optional_node) when 150 then XStringNode.new(source, node_id, location, load_varuint, load_location, load_location, load_location, load_string) when 151 then YieldNode.new(source, node_id, location, load_varuint, load_location, load_optional_location, load_optional_node, load_optional_location) end end
def load_node
def load_node type = io.getbyte @load_node_lambdas[type].call end
def load_nodes
def load_nodes load_header load_encoding load_start_line load_line_offsets comments, magic_comments, data_loc, errors, warnings = load_metadata @constant_pool_offset = load_uint32 @constant_pool = Array.new(load_varuint, nil) [load_node, comments, magic_comments, data_loc, errors, warnings] end
def load_optional_constant
def load_optional_constant index = load_varuint load_constant(index - 1) if index != 0 end
def load_optional_location
def load_optional_location load_location if io.getbyte != 0 end
def load_optional_location_object
def load_optional_location_object load_location_object if io.getbyte != 0 end
def load_optional_node
def load_optional_node if io.getbyte != 0 io.pos -= 1 load_node end end
def load_required_constant
def load_required_constant load_constant(load_varuint - 1) end
def load_result
def load_result node, comments, magic_comments, data_loc, errors, warnings = load_nodes ParseResult.new(node, comments, magic_comments, data_loc, errors, warnings, @source) end
def load_start_line
def load_start_line source.instance_variable_set :@start_line, load_varsint end
def load_string
def load_string type = io.getbyte case type when 1 input.byteslice(load_varuint, load_varuint).force_encoding(encoding) when 2 load_embedded_string else raise "Unknown serialized string type: #{type}" end end
def load_tokens
def load_tokens tokens = [] while type = TOKEN_TYPES.fetch(load_varuint) start = load_varuint length = load_varuint lex_state = load_varuint location = Location.new(@source, start, length) tokens << [Token.new(source, type, location.slice, location), lex_state] end tokens end
def load_tokens_result
def load_tokens_result tokens = load_tokens encoding = load_encoding load_start_line load_line_offsets comments, magic_comments, data_loc, errors, warnings = load_metadata tokens.each { |token,| token.value.force_encoding(encoding) } raise "Expected to consume all bytes while deserializing" unless @io.eof? LexResult.new(tokens, comments, magic_comments, data_loc, errors, warnings, @source) end
def load_uint32
def load_uint32 io.read(4).unpack1("L") end
def load_varsint
def load_varsint n = load_varuint (n >> 1) ^ (-(n & 1)) end
def load_varuint
variable-length integer using https://en.wikipedia.org/wiki/LEB128
def load_varuint n = io.getbyte if n < 128 n else n -= 128 shift = 0 while (b = io.getbyte) >= 128 n += (b - 128) << (shift += 7) end n + (b << (shift + 7)) end end
def load_warning_level
def load_warning_level level = io.getbyte case level when 0 :default when 1 :verbose else raise "Unknown level: #{level}" end end