A prism visitor that builds Sexp objects.
This is the name of the file that we are compiling. We set it on every Sexp object that is generated, and also use it to compile __FILE__
nodes.
Class
variables will change their type based on if they are inside of a method definition or not, so we need to track that state.
Some nodes will change their representation if they are inside of a pattern, so we need to track that state.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 32
def initialize(file, in_def: false, in_pattern: false)
@file = file
@in_def = in_def
@in_pattern = in_pattern
end
Initialize a new compiler with the given file name.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 481
def class_variable_write_type
in_def ? :cvasgn : :cvdecl
end
If a class variable is written within a method definition, it has a different type than everywhere else.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1824
def copy_compiler(in_def: self.in_def, in_pattern: self.in_pattern)
Compiler.new(file, in_def: in_def, in_pattern: in_pattern)
end
Create a new compiler with the given options.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 364
def op_asgn?(node)
node.call_operator == "::" || (node.value.is_a?(CallNode) && node.value.opening_loc.nil? && !node.value.arguments.nil?)
end
Call nodes with operators following them will either be op_asgn or op_asgn2 nodes. That is determined by their call operator and their right-hand side.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 370
def op_asgn_type(node, type)
node.safe_navigation? ? :"safe_#{type}" : type
end
Call nodes with operators following them can use &. as an operator, which changes their type by prefixing “safe_”.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1829
def s(node, *arguments)
result = Sexp.new(*arguments)
result.file = file
result.line = node.location.start_line
result.line_max = node.location.end_line
result
end
Create a new Sexp object from the given prism node and arguments.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 50
def visit_alias_global_variable_node(node)
s(node, :valias, node.new_name.name, node.old_name.name)
end
alias $foo $bar ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 42
def visit_alias_method_node(node)
s(node, :alias, visit(node.new_name), visit(node.old_name))
end
alias foo bar ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 58
def visit_alternation_pattern_node(node)
s(node, :or, visit(node.left), visit(node.right))
end
foo => bar | baz ^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 66
def visit_and_node(node)
left = visit(node.left)
if left[0] == :and
# ruby_parser has the and keyword as right-associative as opposed to
# prism which has it as left-associative. We reverse that
# associativity here.
nest = left
nest = nest[2] while nest[2][0] == :and
nest[2] = s(node, :and, nest[2], visit(node.right))
left
else
s(node, :and, left, visit(node.right))
end
end
a and b ^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 123
def visit_arguments_node(node)
raise "Cannot visit arguments directly"
end
foo(bar) ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 86
def visit_array_node(node)
if in_pattern
s(node, :array_pat, nil).concat(visit_all(node.elements))
else
s(node, :array).concat(visit_all(node.elements))
end
end
[] ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 98
def visit_array_pattern_node(node)
if node.constant.nil? && node.requireds.empty? && node.rest.nil? && node.posts.empty?
s(node, :array_pat)
else
result = s(node, :array_pat, visit_pattern_constant(node.constant)).concat(visit_all(node.requireds))
case node.rest
when SplatNode
result << :"*#{node.rest.expression&.name}"
when ImplicitRestNode
result << :*
# This doesn't make any sense at all, but since we're trying to
# replicate the behavior directly, we'll copy it.
result.line(666)
end
result.concat(visit_all(node.posts))
end
end
foo => [bar] ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 131
def visit_assoc_node(node)
[visit(node.key), visit(node.value)]
end
{ a: 1 } ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 142
def visit_assoc_splat_node(node)
if node.value.nil?
[s(node, :kwsplat)]
else
[s(node, :kwsplat, visit(node.value))]
end
end
def foo(**); bar(**); end ^^ { **foo } ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 154
def visit_back_reference_read_node(node)
s(node, :back_ref, node.name.name.delete_prefix("$").to_sym)
end
$+ ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 162
def visit_begin_node(node)
result = node.statements.nil? ? s(node, :nil) : visit(node.statements)
if !node.rescue_clause.nil?
if !node.statements.nil?
result = s(node.statements, :rescue, result, visit(node.rescue_clause))
else
result = s(node.rescue_clause, :rescue, visit(node.rescue_clause))
end
current = node.rescue_clause
until (current = current.subsequent).nil?
result << visit(current)
end
end
if !node.else_clause&.statements.nil?
result << visit(node.else_clause)
end
if !node.ensure_clause.nil?
if !node.statements.nil? || !node.rescue_clause.nil? || !node.else_clause.nil?
result = s(node.statements || node.rescue_clause || node.else_clause || node.ensure_clause, :ensure, result, visit(node.ensure_clause))
else
result = s(node.ensure_clause, :ensure, visit(node.ensure_clause))
end
end
result
end
begin end ^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1839
def visit_block(node, sexp, block)
if block.nil?
sexp
else
parameters =
case block.parameters
when nil, ItParametersNode, NumberedParametersNode
0
else
visit(block.parameters)
end
if block.body.nil?
s(node, :iter, sexp, parameters)
else
s(node, :iter, sexp, parameters, visit(block.body))
end
end
end
Visit a block node, which will modify the AST by wrapping the given visited node in an iter node.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 197
def visit_block_argument_node(node)
s(node, :block_pass).tap do |result|
result << visit(node.expression) unless node.expression.nil?
end
end
foo(&bar) ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 207
def visit_block_local_variable_node(node)
node.name
end
foo { |; bar| } ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 212
def visit_block_node(node)
s(node, :block_pass, visit(node.expression))
end
A block on a keyword or method call.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 220
def visit_block_parameter_node(node)
:"&#{node.name}"
end
def foo(&bar); end ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 225
def visit_block_parameters_node(node)
# If this block parameters has no parameters and is using pipes, then
# it inherits its location from its shadow locals, even if they're not
# on the same lines as the pipes.
shadow_loc = true
result =
if node.parameters.nil?
s(node, :args)
else
shadow_loc = false
visit(node.parameters)
end
if node.opening == "("
result.line = node.opening_loc.start_line
result.line_max = node.closing_loc.end_line
shadow_loc = false
end
if node.locals.any?
shadow = s(node, :shadow).concat(visit_all(node.locals))
shadow.line = node.locals.first.location.start_line
shadow.line_max = node.locals.last.location.end_line
result << shadow
if shadow_loc
result.line = shadow.line
result.line_max = shadow.line_max
end
end
result
end
A block’s parameters.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 267
def visit_break_node(node)
if node.arguments.nil?
s(node, :break)
elsif node.arguments.arguments.length == 1
s(node, :break, visit(node.arguments.arguments.first))
else
s(node, :break, s(node.arguments, :array).concat(visit_all(node.arguments.arguments)))
end
end
break ^^^^^ break foo ^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 341
def visit_call_and_write_node(node)
if op_asgn?(node)
s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, :"&&")
else
s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, :"&&", visit_write_value(node.value))
end
end
foo.bar &&= baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 287
def visit_call_node(node)
case node.name
when :!~
return s(node, :not, visit(node.copy(name: :"=~")))
when :=~
if node.arguments&.arguments&.length == 1 && node.block.nil?
case node.receiver
when StringNode
return s(node, :match3, visit(node.arguments.arguments.first), visit(node.receiver))
when RegularExpressionNode, InterpolatedRegularExpressionNode
return s(node, :match2, visit(node.receiver), visit(node.arguments.arguments.first))
end
case node.arguments.arguments.first
when RegularExpressionNode, InterpolatedRegularExpressionNode
return s(node, :match3, visit(node.arguments.arguments.first), visit(node.receiver))
end
end
end
type = node.attribute_write? ? :attrasgn : :call
type = :"safe_#{type}" if node.safe_navigation?
arguments = node.arguments&.arguments || []
write_value = arguments.pop if type == :attrasgn
block = node.block
if block.is_a?(BlockArgumentNode)
arguments << block
block = nil
end
result = s(node, type, visit(node.receiver), node.name).concat(visit_all(arguments))
result << visit_write_value(write_value) unless write_value.nil?
visit_block(node, result, block)
end
foo ^^^ foo.bar ^^^^^^^ foo.bar() {} ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 329
def visit_call_operator_write_node(node)
if op_asgn?(node)
s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, node.binary_operator)
else
s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, node.binary_operator, visit_write_value(node.value))
end
end
foo.bar += baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 353
def visit_call_or_write_node(node)
if op_asgn?(node)
s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, :"||")
else
s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, :"||", visit_write_value(node.value))
end
end
foo.bar ||= baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 378
def visit_call_target_node(node)
s(node, :attrasgn, visit(node.receiver), node.name)
end
foo.bar, = 1 ^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 386
def visit_capture_pattern_node(node)
visit(node.target) << visit(node.value)
end
foo => bar => baz ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 402
def visit_case_match_node(node)
s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end
case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 394
def visit_case_node(node)
s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end
case foo; when bar; end ^^^^^^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 410
def visit_class_node(node)
name =
if node.constant_path.is_a?(ConstantReadNode)
node.name
else
visit(node.constant_path)
end
if node.body.nil?
s(node, :class, name, visit(node.superclass))
elsif node.body.is_a?(StatementsNode)
compiler = copy_compiler(in_def: false)
s(node, :class, name, visit(node.superclass)).concat(node.body.body.map { |child| child.accept(compiler) })
else
s(node, :class, name, visit(node.superclass), node.body.accept(copy_compiler(in_def: false)))
end
end
class Foo; end ^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 459
def visit_class_variable_and_write_node(node)
s(node, :op_asgn_and, s(node, :cvar, node.name), s(node, class_variable_write_type, node.name, visit_write_value(node.value)))
end
@@foo &&= bar ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 451
def visit_class_variable_operator_write_node(node)
s(node, class_variable_write_type, node.name, s(node, :call, s(node, :cvar, node.name), node.binary_operator, visit_write_value(node.value)))
end
@@foo += bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 467
def visit_class_variable_or_write_node(node)
s(node, :op_asgn_or, s(node, :cvar, node.name), s(node, class_variable_write_type, node.name, visit_write_value(node.value)))
end
@@foo ||= bar ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 432
def visit_class_variable_read_node(node)
s(node, :cvar, node.name)
end
@@foo ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 475
def visit_class_variable_target_node(node)
s(node, class_variable_write_type, node.name)
end
@@foo, = bar ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 443
def visit_class_variable_write_node(node)
s(node, class_variable_write_type, node.name, visit_write_value(node.value))
end
@@foo = 1 ^^^^^^^^^ @@foo, @@bar = 1 ^^^^^ ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 516
def visit_constant_and_write_node(node)
s(node, :op_asgn_and, s(node, :const, node.name), s(node, :cdecl, node.name, visit(node.value)))
end
Foo &&= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 508
def visit_constant_operator_write_node(node)
s(node, :cdecl, node.name, s(node, :call, s(node, :const, node.name), node.binary_operator, visit_write_value(node.value)))
end
Foo += bar ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 524
def visit_constant_or_write_node(node)
s(node, :op_asgn_or, s(node, :const, node.name), s(node, :cdecl, node.name, visit(node.value)))
end
Foo ||= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 571
def visit_constant_path_and_write_node(node)
s(node, :op_asgn_and, visit(node.target), visit_write_value(node.value))
end
Foo::Bar &&= baz ^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 540
def visit_constant_path_node(node)
if node.parent.nil?
s(node, :colon3, node.name)
else
s(node, :colon2, visit(node.parent), node.name)
end
end
Foo::Bar ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 563
def visit_constant_path_operator_write_node(node)
s(node, :op_asgn, visit(node.target), node.binary_operator, visit_write_value(node.value))
end
Foo::Bar += baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 579
def visit_constant_path_or_write_node(node)
s(node, :op_asgn_or, visit(node.target), visit_write_value(node.value))
end
Foo::Bar ||= baz ^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 587
def visit_constant_path_target_node(node)
inner =
if node.parent.nil?
s(node, :colon3, node.name)
else
s(node, :colon2, visit(node.parent), node.name)
end
s(node, :const, inner)
end
Foo::Bar, = baz ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 555
def visit_constant_path_write_node(node)
s(node, :cdecl, visit(node.target), visit_write_value(node.value))
end
Foo::Bar = 1 ^^^^^^^^^^^^ Foo::Foo, Bar::Bar = 1 ^^^^^^^^ ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 489
def visit_constant_read_node(node)
s(node, :const, node.name)
end
Foo ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 532
def visit_constant_target_node(node)
s(node, :cdecl, node.name)
end
Foo, = bar ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 500
def visit_constant_write_node(node)
s(node, :cdecl, node.name, visit_write_value(node.value))
end
Foo = 1 ^^^^^^^ Foo, Bar = 1 ^^^ ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 605
def visit_def_node(node)
name = node.name_loc.slice.to_sym
result =
if node.receiver.nil?
s(node, :defn, name)
else
s(node, :defs, visit(node.receiver), name)
end
result.line(node.name_loc.start_line)
if node.parameters.nil?
result << s(node, :args).line(node.name_loc.start_line)
else
result << visit(node.parameters)
end
if node.body.nil?
result << s(node, :nil)
elsif node.body.is_a?(StatementsNode)
compiler = copy_compiler(in_def: true)
result.concat(node.body.body.map { |child| child.accept(compiler) })
else
result << node.body.accept(copy_compiler(in_def: true))
end
end
def foo; end ^^^^^^^^^^^^ def self.foo; end ^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 638
def visit_defined_node(node)
s(node, :defined, visit(node.value))
end
defined? a ^^^^^^^^^^ defined?(a) ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1425
def visit_destructured_parameter(node)
children =
[*node.lefts, *node.rest, *node.rights].map do |child|
case child
when RequiredParameterNode
visit(child)
when MultiTargetNode
visit_destructured_parameter(child)
when SplatNode
:"*#{child.expression&.name}"
else
raise
end
end
s(node, :masgn).concat(children)
end
def foo((bar, baz)); end ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 646
def visit_else_node(node)
visit(node.statements)
end
if foo then bar else baz end ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 654
def visit_embedded_statements_node(node)
result = s(node, :evstr)
result << visit(node.statements) unless node.statements.nil?
result
end
"foo #{bar}" ^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 664
def visit_embedded_variable_node(node)
s(node, :evstr, visit(node.variable))
end
"foo #@bar" ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 672
def visit_ensure_node(node)
node.statements.nil? ? s(node, :nil) : visit(node.statements)
end
begin; foo; ensure; bar; end ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 680
def visit_false_node(node)
s(node, :false)
end
false ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 688
def visit_find_pattern_node(node)
s(node, :find_pat, visit_pattern_constant(node.constant), :"*#{node.left.expression&.name}", *visit_all(node.requireds), :"*#{node.right.expression&.name}")
end
foo => [*, bar, *] ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 696
def visit_flip_flop_node(node)
if node.left.is_a?(IntegerNode) && node.right.is_a?(IntegerNode)
s(node, :lit, Range.new(node.left.value, node.right.value, node.exclude_end?))
else
s(node, node.exclude_end? ? :flip3 : :flip2, visit(node.left), visit(node.right))
end
end
if foo .. bar; end ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 708
def visit_float_node(node)
s(node, :lit, node.value)
end
1.0 ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 716
def visit_for_node(node)
s(node, :for, visit(node.collection), visit(node.index), visit(node.statements))
end
for foo in bar do end ^^^^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 724
def visit_forwarding_arguments_node(node)
s(node, :forward_args)
end
def foo(...); bar(...); end ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 732
def visit_forwarding_parameter_node(node)
s(node, :forward_args)
end
def foo(...); end ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 743
def visit_forwarding_super_node(node)
visit_block(node, s(node, :zsuper), node.block)
end
super ^^^^^ super {} ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 778
def visit_global_variable_and_write_node(node)
s(node, :op_asgn_and, s(node, :gvar, node.name), s(node, :gasgn, node.name, visit_write_value(node.value)))
end
$foo &&= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 770
def visit_global_variable_operator_write_node(node)
s(node, :gasgn, node.name, s(node, :call, s(node, :gvar, node.name), node.binary_operator, visit(node.value)))
end
$foo += bar ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 786
def visit_global_variable_or_write_node(node)
s(node, :op_asgn_or, s(node, :gvar, node.name), s(node, :gasgn, node.name, visit_write_value(node.value)))
end
$foo ||= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 751
def visit_global_variable_read_node(node)
s(node, :gvar, node.name)
end
$foo ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 794
def visit_global_variable_target_node(node)
s(node, :gasgn, node.name)
end
$foo, = bar ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 762
def visit_global_variable_write_node(node)
s(node, :gasgn, node.name, visit_write_value(node.value))
end
$foo = 1 ^^^^^^^^ $foo, $bar = 1 ^^^^ ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 802
def visit_hash_node(node)
s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end
{} ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 810
def visit_hash_pattern_node(node)
result = s(node, :hash_pat, visit_pattern_constant(node.constant)).concat(node.elements.flat_map { |element| visit(element) })
case node.rest
when AssocSplatNode
result << s(node.rest, :kwrest, :"**#{node.rest.value&.name}")
when NoKeywordsParameterNode
result << visit(node.rest)
end
result
end
foo => {} ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 833
def visit_if_node(node)
s(node, :if, visit(node.predicate), visit(node.statements), visit(node.subsequent))
end
if foo then bar end ^^^^^^^^^^^^^^^^^^^ bar if foo ^^^^^^^^^^ foo ? bar : baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 838
def visit_imaginary_node(node)
s(node, :lit, node.value)
end
1i
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 846
def visit_implicit_node(node)
end
{ foo: } ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 853
def visit_implicit_rest_node(node)
end
foo { |bar,| } ^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 860
def visit_in_node(node)
pattern =
if node.pattern.is_a?(ConstantPathNode)
s(node.pattern, :const, visit(node.pattern))
else
node.pattern.accept(copy_compiler(in_pattern: true))
end
s(node, :in, pattern).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end
case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 890
def visit_index_and_write_node(node)
arglist = nil
if !node.arguments.nil? || !node.block.nil?
arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
arglist << visit(node.block) if !node.block.nil?
end
s(node, :op_asgn1, visit(node.receiver), arglist, :"&&", visit_write_value(node.value))
end
foo[bar] &&= baz ^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 875
def visit_index_operator_write_node(node)
arglist = nil
if !node.arguments.nil? || !node.block.nil?
arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
arglist << visit(node.block) if !node.block.nil?
end
s(node, :op_asgn1, visit(node.receiver), arglist, node.binary_operator, visit_write_value(node.value))
end
foo[bar] += baz ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 905
def visit_index_or_write_node(node)
arglist = nil
if !node.arguments.nil? || !node.block.nil?
arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
arglist << visit(node.block) if !node.block.nil?
end
s(node, :op_asgn1, visit(node.receiver), arglist, :"||", visit_write_value(node.value))
end
foo[bar] ||= baz ^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 920
def visit_index_target_node(node)
arguments = visit_all(node.arguments&.arguments || [])
arguments << visit(node.block) unless node.block.nil?
s(node, :attrasgn, visit(node.receiver), :[]=).concat(arguments)
end
foo[bar], = 1 ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 958
def visit_instance_variable_and_write_node(node)
s(node, :op_asgn_and, s(node, :ivar, node.name), s(node, :iasgn, node.name, visit(node.value)))
end
@foo &&= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 950
def visit_instance_variable_operator_write_node(node)
s(node, :iasgn, node.name, s(node, :call, s(node, :ivar, node.name), node.binary_operator, visit_write_value(node.value)))
end
@foo += bar ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 966
def visit_instance_variable_or_write_node(node)
s(node, :op_asgn_or, s(node, :ivar, node.name), s(node, :iasgn, node.name, visit(node.value)))
end
@foo ||= bar ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 931
def visit_instance_variable_read_node(node)
s(node, :ivar, node.name)
end
@foo ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 974
def visit_instance_variable_target_node(node)
s(node, :iasgn, node.name)
end
@foo, = bar ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 942
def visit_instance_variable_write_node(node)
s(node, :iasgn, node.name, visit_write_value(node.value))
end
@foo = 1 ^^^^^^^^ @foo, @bar = 1 ^^^^ ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 982
def visit_integer_node(node)
s(node, :lit, node.value)
end
1 ^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 990
def visit_interpolated_match_last_line_node(node)
parts = visit_interpolated_parts(node.parts)
regexp =
if parts.length == 1
s(node, :lit, Regexp.new(parts.first, node.options))
else
s(node, :dregx).concat(parts).tap do |result|
options = node.options
result << options if options != 0
end
end
s(node, :match, regexp)
end
if /foo #{bar}/ then end ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1051
def visit_interpolated_parts(parts)
visited = []
parts.each do |part|
result = visit(part)
if result[0] == :evstr && result[1]
if result[1][0] == :str
visited << result[1]
elsif result[1][0] == :dstr
visited.concat(result[1][1..-1])
else
visited << result
end
visited << :space
elsif result[0] == :dstr
if !visited.empty? && part.parts[0].is_a?(StringNode)
# If we are in the middle of an implicitly concatenated string,
# we should not have a bare string as the first part. In this
# case we need to visit just that first part and then we can
# push the rest of the parts onto the visited array.
result[1] = visit(part.parts[0])
end
visited.concat(result[1..-1])
else
visited << result
end
end
state = :beginning #: :beginning | :string_content | :interpolated_content
results = []
visited.each_with_index do |result, index|
case state
when :beginning
if result.is_a?(String)
results << result
state = :string_content
elsif result.is_a?(Array) && result[0] == :str
results << result[1]
state = :string_content
else
results << ""
results << result
state = :interpolated_content
end
when :string_content
if result == :space
# continue
elsif result.is_a?(String)
results[0] = "#{results[0]}#{result}"
elsif result.is_a?(Array) && result[0] == :str
results[0] = "#{results[0]}#{result[1]}"
else
results << result
state = :interpolated_content
end
when :interpolated_content
if result == :space
# continue
elsif visited[index - 1] != :space && result.is_a?(Array) && result[0] == :str && results[-1][0] == :str && (results[-1].line_max == result.line)
results[-1][1] = "#{results[-1][1]}#{result[1]}"
results[-1].line_max = result.line_max
else
results << result
end
end
end
results
end
Visit the interpolated content of the string-like node.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1009
def visit_interpolated_regular_expression_node(node)
parts = visit_interpolated_parts(node.parts)
if parts.length == 1
s(node, :lit, Regexp.new(parts.first, node.options))
else
s(node, :dregx).concat(parts).tap do |result|
options = node.options
result << options if options != 0
end
end
end
/foo #{bar}/ ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1026
def visit_interpolated_string_node(node)
parts = visit_interpolated_parts(node.parts)
parts.length == 1 ? s(node, :str, parts.first) : s(node, :dstr).concat(parts)
end
"foo #{bar}" ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1035
def visit_interpolated_symbol_node(node)
parts = visit_interpolated_parts(node.parts)
parts.length == 1 ? s(node, :lit, parts.first.to_sym) : s(node, :dsym).concat(parts)
end
:"foo #{bar}" ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1044
def visit_interpolated_x_string_node(node)
source = node.heredoc? ? node.parts.first : node
parts = visit_interpolated_parts(node.parts)
parts.length == 1 ? s(source, :xstr, parts.first) : s(source, :dxstr).concat(parts)
end
`foo #{bar}` ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1127
def visit_it_local_variable_read_node(node)
s(node, :call, nil, :it)
end
-> { it } ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1135
def visit_keyword_hash_node(node)
s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end
foo(bar: baz) ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1146
def visit_keyword_rest_parameter_node(node)
:"**#{node.name}"
end
def foo(**bar); end ^^^^^ def foo(**); end ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1151
def visit_lambda_node(node)
parameters =
case node.parameters
when nil, NumberedParametersNode
s(node, :args)
else
visit(node.parameters)
end
if node.body.nil?
s(node, :iter, s(node, :lambda), parameters)
else
s(node, :iter, s(node, :lambda), parameters, visit(node.body))
end
end
-> {}
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1202
def visit_local_variable_and_write_node(node)
s(node, :op_asgn_and, s(node, :lvar, node.name), s(node, :lasgn, node.name, visit_write_value(node.value)))
end
foo &&= bar ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1194
def visit_local_variable_operator_write_node(node)
s(node, :lasgn, node.name, s(node, :call, s(node, :lvar, node.name), node.binary_operator, visit_write_value(node.value)))
end
foo += bar ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1210
def visit_local_variable_or_write_node(node)
s(node, :op_asgn_or, s(node, :lvar, node.name), s(node, :lasgn, node.name, visit_write_value(node.value)))
end
foo ||= bar ^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1171
def visit_local_variable_read_node(node)
if node.name.match?(/^_\d$/)
s(node, :call, nil, node.name)
else
s(node, :lvar, node.name)
end
end
foo ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1218
def visit_local_variable_target_node(node)
s(node, :lasgn, node.name)
end
foo, = bar ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1186
def visit_local_variable_write_node(node)
s(node, :lasgn, node.name, visit_write_value(node.value))
end
foo = 1 ^^^^^^^ foo, bar = 1 ^^^ ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1226
def visit_match_last_line_node(node)
s(node, :match, s(node, :lit, Regexp.new(node.unescaped, node.options)))
end
if /foo/ then end ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1234
def visit_match_predicate_node(node)
s(node, :case, visit(node.value), s(node, :in, node.pattern.accept(copy_compiler(in_pattern: true)), nil), nil)
end
foo in bar ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1242
def visit_match_required_node(node)
s(node, :case, visit(node.value), s(node, :in, node.pattern.accept(copy_compiler(in_pattern: true)), nil), nil)
end
foo => bar ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1250
def visit_match_write_node(node)
s(node, :match2, visit(node.call.receiver), visit(node.call.arguments.arguments.first))
end
/(?<foo>foo)/ =~ bar ^^^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1257
def visit_missing_node(node)
raise "Cannot visit missing node directly"
end
A node that is missing from the syntax tree. This is only used in the case of a syntax error. The parser gem doesn’t have such a concept, so we invent our own here.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1265
def visit_module_node(node)
name =
if node.constant_path.is_a?(ConstantReadNode)
node.name
else
visit(node.constant_path)
end
if node.body.nil?
s(node, :module, name)
elsif node.body.is_a?(StatementsNode)
compiler = copy_compiler(in_def: false)
s(node, :module, name).concat(node.body.body.map { |child| child.accept(compiler) })
else
s(node, :module, name, node.body.accept(copy_compiler(in_def: false)))
end
end
module Foo; end ^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1287
def visit_multi_target_node(node)
targets = [*node.lefts]
targets << node.rest if !node.rest.nil? && !node.rest.is_a?(ImplicitRestNode)
targets.concat(node.rights)
s(node, :masgn, s(node, :array).concat(visit_all(targets)))
end
foo, bar = baz ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1299
def visit_multi_write_node(node)
targets = [*node.lefts]
targets << node.rest if !node.rest.nil? && !node.rest.is_a?(ImplicitRestNode)
targets.concat(node.rights)
value =
if node.value.is_a?(ArrayNode) && node.value.opening_loc.nil?
if node.value.elements.length == 1 && node.value.elements.first.is_a?(SplatNode)
visit(node.value.elements.first)
else
visit(node.value)
end
else
s(node.value, :to_ary, visit(node.value))
end
s(node, :masgn, s(node, :array).concat(visit_all(targets)), value)
end
foo, bar = baz ^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1325
def visit_next_node(node)
if node.arguments.nil?
s(node, :next)
elsif node.arguments.arguments.length == 1
argument = node.arguments.arguments.first
s(node, :next, argument.is_a?(SplatNode) ? s(node, :svalue, visit(argument)) : visit(argument))
else
s(node, :next, s(node, :array).concat(visit_all(node.arguments.arguments)))
end
end
next ^^^^ next foo ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1340
def visit_nil_node(node)
s(node, :nil)
end
nil ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1348
def visit_no_keywords_parameter_node(node)
in_pattern ? s(node, :kwrest, :"**nil") : :"**nil"
end
def foo(**nil); end ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1356
def visit_numbered_parameters_node(node)
raise "Cannot visit numbered parameters directly"
end
-> { _1 + _2 } ^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1364
def visit_numbered_reference_read_node(node)
s(node, :nth_ref, node.number)
end
$1 ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1372
def visit_optional_keyword_parameter_node(node)
s(node, :kwarg, node.name, visit(node.value))
end
def foo(bar: baz); end ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1380
def visit_optional_parameter_node(node)
s(node, :lasgn, node.name, visit(node.value))
end
def foo(bar = 1); end ^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1388
def visit_or_node(node)
left = visit(node.left)
if left[0] == :or
# ruby_parser has the or keyword as right-associative as opposed to
# prism which has it as left-associative. We reverse that
# associativity here.
nest = left
nest = nest[2] while nest[2][0] == :or
nest[2] = s(node, :or, nest[2], visit(node.right))
left
else
s(node, :or, left, visit(node.right))
end
end
a or b ^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1408
def visit_parameters_node(node)
children =
node.compact_child_nodes.map do |element|
if element.is_a?(MultiTargetNode)
visit_destructured_parameter(element)
else
visit(element)
end
end
s(node, :args).concat(children)
end
def foo(bar, *baz); end ^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1450
def visit_parentheses_node(node)
if node.body.nil?
s(node, :nil)
else
visit(node.body)
end
end
() ^^ (1) ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1860
def visit_pattern_constant(node)
case node
when nil
# nothing
when ConstantReadNode
visit(node)
else
s(node, :const, visit(node))
end
end
Pattern
constants get wrapped in another layer of :const.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1462
def visit_pinned_expression_node(node)
node.expression.accept(copy_compiler(in_pattern: false))
end
foo => ^(bar) ^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1470
def visit_pinned_variable_node(node)
if node.variable.is_a?(LocalVariableReadNode) && node.variable.name.match?(/^_\d$/)
s(node, :lvar, node.variable.name)
else
visit(node.variable)
end
end
foo = 1 and bar => ^foo ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1479
def visit_post_execution_node(node)
s(node, :iter, s(node, :postexe), 0, visit(node.statements))
end
END {}
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1484
def visit_pre_execution_node(node)
s(node, :iter, s(node, :preexe), 0, visit(node.statements))
end
BEGIN {}
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1489
def visit_program_node(node)
visit(node.statements)
end
The top-level program node.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1509
def visit_range_bounds_node(node)
if node.is_a?(ParenthesesNode) && node.body.nil?
s(node, :begin)
else
visit(node)
end
end
If the bounds of a range node are empty parentheses, then they do not get replaced by their usual s(:nil), but instead are s(:begin).
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1497
def visit_range_node(node)
if !in_pattern && !node.left.nil? && !node.right.nil? && ([node.left.type, node.right.type] - %i[nil_node integer_node]).empty?
left = node.left.value if node.left.is_a?(IntegerNode)
right = node.right.value if node.right.is_a?(IntegerNode)
s(node, :lit, Range.new(left, right, node.exclude_end?))
else
s(node, node.exclude_end? ? :dot3 : :dot2, visit_range_bounds_node(node.left), visit_range_bounds_node(node.right))
end
end
0..5 ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1521
def visit_rational_node(node)
s(node, :lit, node.value)
end
1r ^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1529
def visit_redo_node(node)
s(node, :redo)
end
redo ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1537
def visit_regular_expression_node(node)
s(node, :lit, Regexp.new(node.unescaped, node.options))
end
/foo/ ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1545
def visit_required_keyword_parameter_node(node)
s(node, :kwarg, node.name)
end
def foo(bar:); end ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1553
def visit_required_parameter_node(node)
node.name
end
def foo(bar); end ^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1561
def visit_rescue_modifier_node(node)
s(node, :rescue, visit(node.expression), s(node.rescue_expression, :resbody, s(node.rescue_expression, :array), visit(node.rescue_expression)))
end
foo rescue bar ^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1569
def visit_rescue_node(node)
exceptions =
if node.exceptions.length == 1 && node.exceptions.first.is_a?(SplatNode)
visit(node.exceptions.first)
else
s(node, :array).concat(visit_all(node.exceptions))
end
if !node.reference.nil?
exceptions << (visit(node.reference) << s(node.reference, :gvar, :"$!"))
end
s(node, :resbody, exceptions).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end
begin; rescue; end ^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1591
def visit_rest_parameter_node(node)
:"*#{node.name}"
end
def foo(*bar); end ^^^^ def foo(*); end ^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1599
def visit_retry_node(node)
s(node, :retry)
end
retry ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1610
def visit_return_node(node)
if node.arguments.nil?
s(node, :return)
elsif node.arguments.arguments.length == 1
argument = node.arguments.arguments.first
s(node, :return, argument.is_a?(SplatNode) ? s(node, :svalue, visit(argument)) : visit(argument))
else
s(node, :return, s(node, :array).concat(visit_all(node.arguments.arguments)))
end
end
return ^^^^^^ return 1 ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1625
def visit_self_node(node)
s(node, :self)
end
self ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1630
def visit_shareable_constant_node(node)
visit(node.write)
end
A shareable constant.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1638
def visit_singleton_class_node(node)
s(node, :sclass, visit(node.expression)).tap do |sexp|
sexp << node.body.accept(copy_compiler(in_def: false)) unless node.body.nil?
end
end
class << self; end ^^^^^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1648
def visit_source_encoding_node(node)
# TODO
s(node, :colon2, s(node, :const, :Encoding), :UTF_8)
end
__ENCODING__ ^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1657
def visit_source_file_node(node)
s(node, :str, node.filepath)
end
__FILE__ ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1665
def visit_source_line_node(node)
s(node, :lit, node.location.start_line)
end
__LINE__ ^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1679
def visit_splat_node(node)
if node.expression.nil?
s(node, :splat)
else
s(node, :splat, visit(node.expression))
end
end
foo(*bar) ^^^^ def foo((bar, *baz)); end ^^^^ def foo(*); bar(*); end ^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1688
def visit_statements_node(node)
first, *rest = node.body
if rest.empty?
visit(first)
else
s(node, :block).concat(visit_all(node.body))
end
end
A list of statements.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1702
def visit_string_node(node)
unescaped = node.unescaped
if node.forced_binary_encoding?
unescaped = unescaped.dup
unescaped.force_encoding(Encoding::BINARY)
end
s(node, :str, unescaped)
end
"foo" ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1717
def visit_super_node(node)
arguments = node.arguments&.arguments || []
block = node.block
if block.is_a?(BlockArgumentNode)
arguments << block
block = nil
end
visit_block(node, s(node, :super).concat(visit_all(arguments)), block)
end
super(foo) ^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1733
def visit_symbol_node(node)
node.value == "!@" ? s(node, :lit, :"!@") : s(node, :lit, node.unescaped.to_sym)
end
:foo ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1741
def visit_true_node(node)
s(node, :true)
end
true ^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1749
def visit_undef_node(node)
names = node.names.map { |name| s(node, :undef, visit(name)) }
names.length == 1 ? names.first : s(node, :block).concat(names)
end
undef foo ^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1761
def visit_unless_node(node)
s(node, :if, visit(node.predicate), visit(node.else_clause), visit(node.statements))
end
unless foo; bar end ^^^^^^^^^^^^^^^^^^^ bar unless foo ^^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1772
def visit_until_node(node)
s(node, :until, visit(node.predicate), visit(node.statements), !node.begin_modifier?)
end
until foo; bar end ^^^^^^^^^^^^^^^^^ bar until foo ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1780
def visit_when_node(node)
s(node, :when, s(node, :array).concat(visit_all(node.conditions))).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end
case foo; when bar; end ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1791
def visit_while_node(node)
s(node, :while, visit(node.predicate), visit(node.statements), !node.begin_modifier?)
end
while foo; bar end ^^^^^^^^^^^^^^^^^^ bar while foo ^^^^^^^^^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1874
def visit_write_value(node)
if node.is_a?(ArrayNode) && node.opening_loc.nil?
if node.elements.length == 1 && node.elements.first.is_a?(SplatNode)
s(node, :svalue, visit(node.elements.first))
else
s(node, :svalue, visit(node))
end
else
visit(node)
end
end
Visit the value of a write, which will be on the right-hand side of a write operator. Because implicit arrays can have splats, those could potentially be wrapped in an svalue node.
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1799
def visit_x_string_node(node)
result = s(node, :xstr, node.unescaped)
if node.heredoc?
result.line = node.content_loc.start_line
result.line_max = node.content_loc.end_line
end
result
end
`foo` ^^^^^
# File tmp/rubies/ruby-master/lib/prism/translation/ruby_parser.rb, line 1817
def visit_yield_node(node)
s(node, :yield).concat(visit_all(node.arguments&.arguments || []))
end
yield ^^^^^ yield 1 ^^^^^^^