Class: Opal::Nodes::TopNode
- Defined in:
- opal/lib/opal/nodes/top.rb
Overview
Generates code for an entire file, i.e. the base sexp
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 ScopeNode
#block_name, #catch_return, #defs, #gvars, #ivars, #methods, #mid, #name, #parent, #scope_name, #uses_super, #uses_zuper
Attributes inherited from Base
Instance Method Summary collapse
- #add_used_helpers ⇒ Object
- #add_used_operators ⇒ Object
- #closing ⇒ Object
- #compile ⇒ Object
-
#compile_end_construct ⇒ Object
Any special END content in code.
- #compile_irb_vars ⇒ Object
- #compile_method_stubs ⇒ Object
- #opening ⇒ Object
- #stmts ⇒ Object
- #version_comment ⇒ Object
Methods inherited from ScopeNode
#add_arg, #add_proto_ivar, #add_scope_gvar, #add_scope_ivar, #add_scope_local, #add_scope_temp, #class?, #class_scope?, #def?, #def_in_class?, #find_parent_def, #get_super_chain, #has_local?, #has_temp?, #identify!, #identity, #in_scope, #in_while?, #initialize, #iter?, #module?, #new_temp, #next_temp, #pop_while, #proto, #push_while, #queue_temp, #sclass?, #to_vars, #top?, #uses_block!, #uses_block?
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
Constructor Details
This class inherits a constructor from Opal::Nodes::ScopeNode
Instance Method Details
#add_used_helpers ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 67 def add_used_helpers helpers = compiler.helpers.to_a helpers.to_a.each { |h| add_temp "$#{h} = Opal.#{h}" } end |
#add_used_operators ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 72 def add_used_operators operators = compiler.operator_helpers.to_a operators.each do |op| name = Nodes::CallNode::OPERATORS[op] line "function $rb_#{name}(lhs, rhs) {" line " return (typeof(lhs) === 'number' && typeof(rhs) === 'number') ? lhs #{op} rhs : lhs['$#{op}'](rhs);" line "}" end end |
#closing ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 49 def closing if compiler.requirable? line "};\n" else line "})(Opal);\n" end end |
#compile ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 13 def compile push version_comment opening in_scope do line "Opal.dynamic_require_severity = #{compiler.dynamic_require_severity.to_s.inspect};" body_code = stmt(stmts) body_code = [body_code] unless body_code.is_a?(Array) add_temp 'self = Opal.top' add_temp '$scope = Opal' add_temp 'nil = Opal.nil' add_used_helpers add_used_operators line scope.to_vars compile_method_stubs compile_irb_vars compile_end_construct line body_code end closing end |
#compile_end_construct ⇒ Object
Any special END content in code
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# File 'opal/lib/opal/nodes/top.rb', line 91 def compile_end_construct if content = compiler.eof_content line "var $__END__ = Opal.Object.$new();" line "$__END__.$read = function() { return #{content.inspect}; };" end end |
#compile_irb_vars ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 61 def compile_irb_vars if compiler.irb? line "if (!Opal.irb_vars) { Opal.irb_vars = {}; }" end end |
#compile_method_stubs ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 82 def compile_method_stubs if compiler.method_missing? calls = compiler.method_calls stubs = calls.to_a.map { |k| "'$#{k}'" }.join(', ') line "Opal.add_stubs([#{stubs}]);" unless stubs.empty? end end |
#opening ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 40 def opening if compiler.requirable? path = Pathname(compiler.file).cleanpath.to_s line "Opal.modules[#{path.inspect}] = function(Opal) {" else line "(function(Opal) {" end end |
#stmts ⇒ Object
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# File 'opal/lib/opal/nodes/top.rb', line 57 def stmts compiler.returns(body) end |