class Opal::Nodes::Base

Attributes

compiler[R]
sexp[R]
type[R]

Public Class Methods

children(*names) click to toggle source
# File lib/opal/nodes/base.rb, line 22
def self.children(*names)
  names.each_with_index do |name, idx|
    define_method(name) do
      @sexp.children[idx]
    end
  end
end
handle(*types) click to toggle source
# File lib/opal/nodes/base.rb, line 16
def self.handle(*types)
  types.each do |type|
    Base.handlers[type] = self
  end
end
handlers() click to toggle source
# File lib/opal/nodes/base.rb, line 12
def self.handlers
  @handlers ||= {}
end
new(sexp, level, compiler) click to toggle source
# File lib/opal/nodes/base.rb, line 36
def initialize(sexp, level, compiler)
  @sexp = sexp
  @type = sexp.type
  @level = level
  @compiler = compiler
  @compiler.top_scope ||= self
end
truthy_optimize?() click to toggle source
# File lib/opal/nodes/base.rb, line 30
def self.truthy_optimize?
  false
end

Public Instance Methods

add_gvar(name) click to toggle source
# File lib/opal/nodes/base.rb, line 143
def add_gvar(name)
  scope.add_scope_gvar name
end
add_ivar(name) click to toggle source
# File lib/opal/nodes/base.rb, line 139
def add_ivar(name)
  scope.add_scope_ivar name
end
add_local(name) click to toggle source
# File lib/opal/nodes/base.rb, line 135
def add_local(name)
  scope.add_scope_local name.to_sym
end
add_temp(temp) click to toggle source
# File lib/opal/nodes/base.rb, line 147
def add_temp(temp)
  scope.add_scope_temp temp
end
children() click to toggle source
# File lib/opal/nodes/base.rb, line 44
def children
  @sexp.children
end
class_variable_owner() click to toggle source
# File lib/opal/nodes/base.rb, line 207
def class_variable_owner
  if scope
    "#{scope.nesting}[#{class_variable_owner_nesting_level}]"
  else
    'Opal.Object'
  end
end
class_variable_owner_nesting_level() click to toggle source
# File lib/opal/nodes/base.rb, line 191
def class_variable_owner_nesting_level
  cvar_scope = scope
  nesting_level = 0

  while cvar_scope && !cvar_scope.class_scope?
    # Needs only `class << self`, `module`, and `class`
    # can increase nesting, but `class` & `module` are
    # covered by `class_scope?`.
    nesting_level += 1 if cvar_scope.sclass?

    cvar_scope = cvar_scope.parent
  end

  nesting_level
end
comments() click to toggle source
# File lib/opal/nodes/base.rb, line 215
def comments
  compiler.comments[@sexp.loc]
end
compile() click to toggle source
# File lib/opal/nodes/base.rb, line 56
def compile
  raise 'Not Implemented'
end
compile_to_fragments() click to toggle source
# File lib/opal/nodes/base.rb, line 48
def compile_to_fragments
  return @fragments if defined?(@fragments)

  @fragments = []
  compile
  @fragments
end
error(msg) click to toggle source
# File lib/opal/nodes/base.rb, line 83
def error(msg)
  @compiler.error msg
end
expr(sexp) click to toggle source
# File lib/opal/nodes/base.rb, line 115
def expr(sexp)
  @compiler.process sexp, :expr
end
expr?() click to toggle source
# File lib/opal/nodes/base.rb, line 99
def expr?
  @level == :expr
end
expr_or_empty(sexp) click to toggle source
# File lib/opal/nodes/base.rb, line 131
def expr_or_empty(sexp)
  sexp && sexp.type != :nil ? expr(sexp) : ''
end
expr_or_nil(sexp) click to toggle source
# File lib/opal/nodes/base.rb, line 127
def expr_or_nil(sexp)
  sexp ? expr(sexp) : 'nil'
end
fragment(str, loc: true) click to toggle source
# File lib/opal/nodes/base.rb, line 79
def fragment(str, loc: true)
  Opal::Fragment.new str, scope, loc && @sexp
end
has_rescue_else?() click to toggle source
# File lib/opal/nodes/base.rb, line 167
def has_rescue_else?
  scope.has_rescue_else?
end
helper(name) click to toggle source
# File lib/opal/nodes/base.rb, line 151
def helper(name)
  @compiler.helper name
end
in_ensure(&block) click to toggle source
# File lib/opal/nodes/base.rb, line 171
def in_ensure(&block)
  scope.in_ensure(&block)
end
in_ensure?() click to toggle source
# File lib/opal/nodes/base.rb, line 175
def in_ensure?
  scope.in_ensure?
end
in_resbody(&block) click to toggle source
# File lib/opal/nodes/base.rb, line 179
def in_resbody(&block)
  scope.in_resbody(&block)
end
in_resbody?() click to toggle source
# File lib/opal/nodes/base.rb, line 183
def in_resbody?
  scope.in_resbody?
end
in_rescue(node, &block) click to toggle source
# File lib/opal/nodes/base.rb, line 187
def in_rescue(node, &block)
  scope.in_rescue(node, &block)
end
in_while?() click to toggle source
# File lib/opal/nodes/base.rb, line 159
def in_while?
  @compiler.in_while?
end
process(sexp, level = :expr) click to toggle source
# File lib/opal/nodes/base.rb, line 111
def process(sexp, level = :expr)
  @compiler.process sexp, level
end
push(*strs) click to toggle source
# File lib/opal/nodes/base.rb, line 60
def push(*strs)
  strs.each do |str|
    str = fragment(str) if str.is_a?(String)
    @fragments << str
  end
end
recv(sexp) click to toggle source
# File lib/opal/nodes/base.rb, line 119
def recv(sexp)
  @compiler.process sexp, :recv
end
recv?() click to toggle source
# File lib/opal/nodes/base.rb, line 103
def recv?
  @level == :recv
end
s(type, *children) click to toggle source
# File lib/opal/nodes/base.rb, line 95
def s(type, *children)
  ::Opal::AST::Node.new(type, children, location: @sexp.loc)
end
scope() click to toggle source
# File lib/opal/nodes/base.rb, line 87
def scope
  @compiler.scope
end
source_location() click to toggle source
# File lib/opal/nodes/base.rb, line 219
def source_location
  expr = @sexp.loc.expression
  if expr.respond_to? :source_buffer
    file = expr.source_buffer.name
    file = "<internal:#{file}>" if file.start_with?("corelib/")
    file = "<js:#{file}>" if file.end_with?(".js")
  else
    file = "(eval)"
  end
  line = @sexp.loc.line
  "['#{file}', #{line}]"
end
stmt(sexp) click to toggle source
# File lib/opal/nodes/base.rb, line 123
def stmt(sexp)
  @compiler.process sexp, :stmt
end
stmt?() click to toggle source
# File lib/opal/nodes/base.rb, line 107
def stmt?
  @level == :stmt
end
top_scope() click to toggle source
# File lib/opal/nodes/base.rb, line 91
def top_scope
  @compiler.top_scope
end
unshift(*strs) click to toggle source
# File lib/opal/nodes/base.rb, line 67
def unshift(*strs)
  strs.reverse_each do |str|
    str = fragment(str) if str.is_a?(String)
    @fragments.unshift str
  end
end
while_loop() click to toggle source
# File lib/opal/nodes/base.rb, line 163
def while_loop
  @compiler.instance_variable_get(:@while_loop)
end
with_temp(&block) click to toggle source
# File lib/opal/nodes/base.rb, line 155
def with_temp(&block)
  @compiler.with_temp(&block)
end
wrap(pre, post) click to toggle source
# File lib/opal/nodes/base.rb, line 74
def wrap(pre, post)
  unshift pre
  push post
end