Class: Opal::Nodes::GlobalVariableNode
- Inherits:
-
Base
show all
- Defined in:
- opal/lib/opal/nodes/variables.rb
Constant Summary
Constants included
from Helpers
Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS
Instance Attribute Summary
Attributes inherited from Base
#compiler, #type
Instance Method Summary
collapse
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, children, #children, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #helper, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #stmt, #stmt?, #unshift, #while_loop, #with_temp, #wrap
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_name?, #variable
Instance Method Details
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# File 'opal/lib/opal/nodes/variables.rb', line 89
def compile
helper :gvars
if var_name == '&'
return handle_global_match
elsif var_name == "'"
return handle_post_match
elsif var_name == '`'
return handle_pre_match
end
name = property var_name
add_gvar name
push "$gvars#{name}"
end
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#handle_global_match ⇒ Object
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# File 'opal/lib/opal/nodes/variables.rb', line 105
def handle_global_match
with_temp do |tmp|
push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}['$[]'](0))"
end
end
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#handle_post_match ⇒ Object
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# File 'opal/lib/opal/nodes/variables.rb', line 117
def handle_post_match
with_temp do |tmp|
push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}.$post_match())"
end
end
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#handle_pre_match ⇒ Object
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# File 'opal/lib/opal/nodes/variables.rb', line 111
def handle_pre_match
with_temp do |tmp|
push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}.$pre_match())"
end
end
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# File 'opal/lib/opal/nodes/variables.rb', line 85
def var_name
name.to_s[1..-1]
end
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