Class: Opal::Nodes::Base
Direct Known Subclasses
AliasNode, ArglistNode, Args::ArgNode, Args::EnsureKwargsAreKwargs, Args::ExtractBlockarg, Args::ExtractKwarg, Args::ExtractKwargs, Args::ExtractKwoptarg, Args::ExtractKwrestarg, Args::ExtractOptargNode, Args::ExtractPostArg, Args::ExtractPostOptarg, Args::ExtractRestarg, Args::FakeArgNode, Args::InitializeIterarg, Args::InitializeShadowarg, Args::PreparePostArgs, ArgsNode, ArityCheckNode, ArrayNode, BaseYieldNode, BlockPassNode, BreakNode, CallNode, CbaseNode, ClassVarAssignNode, ClassVariableNode, ComplexNode, ConstAssignNode, ConstNode, DefinedNode, DynamicStringNode, EnsureNode, GlobalAssignNode, GlobalVariableNode, HashNode, IFlipFlop, IfNode, InstanceAssignNode, InstanceVariableNode, JSReturnNode, JSTempNode, JsAttrAsgnNode, JsAttrNode, KwSplatNode, LambdaNode, LocalAssignNode, LocalDeclareNode, LocalVariableNode, MassAssignNode, Match3Node, MatchCurrentLineNode, NextNode, NthrefNode, NumericNode, RangeNode, RationalNode, RedoNode, RegexpNode, ResBodyNode, RescueNode, RetryNode, ReturnNode, ScopeNode, SplatNode, StringNode, SymbolNode, UndefNode, ValueNode, WhileNode, XStringNode
Instance Attribute Summary collapse
#closure
Class Method Summary
collapse
Instance Method Summary
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#closure_is?, #compile_catcher, #generate_thrower, #generate_thrower_without_catcher, #in_closure, #pop_closure, #push_closure, #select_closure, #thrower
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?
Constructor Details
#initialize(sexp, level, compiler) ⇒ Base
Returns a new instance of Base.
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# File 'opal/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
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Instance Attribute Details
#compiler ⇒ Object
Returns the value of attribute compiler.
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# File 'opal/lib/opal/nodes/base.rb', line 34
def compiler
@compiler
end
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#sexp ⇒ Object
Returns the value of attribute sexp.
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# File 'opal/lib/opal/nodes/base.rb', line 34
def sexp
@sexp
end
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#type ⇒ Object
Returns the value of attribute type.
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# File 'opal/lib/opal/nodes/base.rb', line 34
def type
@type
end
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Class Method Details
.children(*names) ⇒ Object
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# File 'opal/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
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.handle(*types) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 16
def self.handle(*types)
types.each do |type|
Base.handlers[type] = self
end
end
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.handlers ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 12
def self.handlers
@handlers ||= {}
end
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.truthy_optimize? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 30
def self.truthy_optimize?
false
end
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Instance Method Details
#add_gvar(name) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 143
def add_gvar(name)
scope.add_scope_gvar name
end
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#add_ivar(name) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 139
def add_ivar(name)
scope.add_scope_ivar name
end
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#add_local(name) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 135
def add_local(name)
scope.add_scope_local name.to_sym
end
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#add_temp(temp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 147
def add_temp(temp)
scope.add_scope_temp temp
end
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#children ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 44
def children
@sexp.children
end
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#class_variable_owner ⇒ Object
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# File 'opal/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
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#class_variable_owner_nesting_level ⇒ Object
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# File 'opal/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?
nesting_level += 1 if cvar_scope.sclass?
cvar_scope = cvar_scope.parent
end
nesting_level
end
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# File 'opal/lib/opal/nodes/base.rb', line 215
def
compiler.[@sexp.loc]
end
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#compile ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 56
def compile
raise 'Not Implemented'
end
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#compile_to_fragments ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 48
def compile_to_fragments
return @fragments if defined?(@fragments)
@fragments = []
compile
@fragments
end
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#error(msg) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 83
def error(msg)
@compiler.error msg
end
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#expr(sexp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 115
def expr(sexp)
@compiler.process sexp, :expr
end
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#expr? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 99
def expr?
@level == :expr
end
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#expr_or_empty(sexp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 131
def expr_or_empty(sexp)
sexp && sexp.type != :nil ? expr(sexp) : ''
end
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#expr_or_nil(sexp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 127
def expr_or_nil(sexp)
sexp ? expr(sexp) : 'nil'
end
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#fragment(str, loc: true) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 79
def fragment(str, loc: true)
Opal::Fragment.new str, scope, loc && @sexp
end
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#has_rescue_else? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 167
def has_rescue_else?
scope.has_rescue_else?
end
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#helper(name) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 151
def helper(name)
@compiler.helper name
end
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#in_ensure(&block) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 171
def in_ensure(&block)
scope.in_ensure(&block)
end
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#in_ensure? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 175
def in_ensure?
scope.in_ensure?
end
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#in_resbody(&block) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 179
def in_resbody(&block)
scope.in_resbody(&block)
end
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#in_resbody? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 183
def in_resbody?
scope.in_resbody?
end
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#in_rescue(node, &block) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 187
def in_rescue(node, &block)
scope.in_rescue(node, &block)
end
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#in_while? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 159
def in_while?
@compiler.in_while?
end
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#process(sexp, level = :expr) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 111
def process(sexp, level = :expr)
@compiler.process sexp, level
end
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#push(*strs) ⇒ Object
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# File 'opal/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
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#recv(sexp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 119
def recv(sexp)
@compiler.process sexp, :recv
end
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#recv? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 103
def recv?
@level == :recv
end
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#s(type, *children) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 95
def s(type, *children)
::Opal::AST::Node.new(type, children, location: @sexp.loc)
end
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#scope ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 87
def scope
@compiler.scope
end
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#source_location ⇒ Object
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# File 'opal/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
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#stmt(sexp) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 123
def stmt(sexp)
@compiler.process sexp, :stmt
end
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#stmt? ⇒ Boolean
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# File 'opal/lib/opal/nodes/base.rb', line 107
def stmt?
@level == :stmt
end
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#top_scope ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 91
def top_scope
@compiler.top_scope
end
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#unshift(*strs) ⇒ Object
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# File 'opal/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
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#while_loop ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 163
def while_loop
@compiler.instance_variable_get(:@while_loop)
end
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#with_temp(&block) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 155
def with_temp(&block)
@compiler.with_temp(&block)
end
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#wrap(pre, post) ⇒ Object
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# File 'opal/lib/opal/nodes/base.rb', line 74
def wrap(pre, post)
unshift pre
push post
end
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