Class: Phlex::Compiler::MethodCompiler

Inherits:
Refract::MutationVisitor
  • Object
show all
Defined in:
lib/phlex/compiler/method_compiler.rb

Constant Summary collapse

ALLOWED_OWNERS = 

      
    

  







  
    

      Instance Method Summary
      collapse
    


    
  


  

  
Constructor Details

  
    

  

  
    #initialize(component)  ⇒ MethodCompiler 
  

  

  




  

    

Returns a new instance of MethodCompiler.



  





  



  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 7

def initialize(component)
	super()
	@component = component
	@preamble = []
	@optimized = false
end

    		
  





  




  

    
Instance Method Details


    
      

  

  
    #compile(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 14

def compile(node)
	tree = visit(node)

	if @optimized
		Compactor.new.visit(
			tree
		)
	else
		nil
	end
end

    		
  





    
      

  

  
    #compile_block_body_node(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 218

def compile_block_body_node(node)
	node => Refract::StatementsNode | Refract::BeginNode

	Refract::StatementsNode.new(
		body: [
			Refract::IfNode.new(
				inline: false,
				predicate: Refract::CallNode.new(
					receiver: Refract::SelfNode.new,
					name: :==,
					arguments: Refract::ArgumentsNode.new(
						arguments: [
							Refract::LocalVariableReadNode.new(
								name: self_local
							),
						]
					)
				),
				statements: Refract::StatementsNode.new(
					body: node.body.map { |n| visit(n) }
				),
				subsequent: Refract::ElseNode.new(
					statements: node
				)
			),
		]
	)
end

    		
  





    
      

  

  
    #compile_comment_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 339

def compile_comment_helper(node)
	node => Refract::CallNode

	Refract::StatementsNode.new(
		body: [
			raw("<!-- "),
			compile_phlex_block(node.block),
			raw(" -->"),
		]
	)
end

    		
  





    
      

  

  
    #compile_doctype_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 282

def compile_doctype_helper(node)
	node => Refract::CallNode

	raw("<!doctype html>")
end

    		
  





    
      

  

  
    #compile_fragment_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 298

def compile_fragment_helper(node)
	node => Refract::CallNode

	node.copy(
		block: compile_fragment_helper_block(node.block)
	)
end

    		
  





    
      

  

  
    #compile_fragment_helper_block(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 306

def compile_fragment_helper_block(node)
	node => Refract::BlockNode

	node.copy(
		body: Refract::StatementsNode.new(
			body: [
				Refract::LocalVariableWriteNode.new(
					name: :__phlex_original_should_render__,
					value: Refract::LocalVariableReadNode.new(
						name: should_render_local
					)
				),
				Refract::LocalVariableWriteNode.new(
					name: should_render_local,
					value: Refract::CallNode.new(
						receiver: Refract::LocalVariableReadNode.new(
							name: state_local
						),
						name: :should_render?
					)
				),
				visit(node.body),
				Refract::LocalVariableWriteNode.new(
					name: should_render_local,
					value: Refract::LocalVariableReadNode.new(
						name: :__phlex_original_should_render__
					)
				),
			]
		)
	)
end

    		
  





    
      

  

  
    #compile_interpolated_string_node(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 247

def compile_interpolated_string_node(node)
	node => Refract::InterpolatedStringNode

	Refract::StatementsNode.new(
		body: node.parts.map do |part|
			case part
			when Refract::StringNode
				plain(part.unescaped)
			when Refract::EmbeddedVariableNode
				interpolate(part.variable)
			when Refract::EmbeddedStatementsNode
				interpolate(part.statements)
			else
				raise Phlex::Compiler::Error, "Unexpected node type in InterpolatedStringNode: #{part.class}"
			end
		end
	)
end

    		
  





    
      

  

  
    #compile_phlex_attributes(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 161

def compile_phlex_attributes(node)
	arguments = node.arguments

	if arguments.size == 1 && Refract::KeywordHashNode === (first_argument = arguments[0])
		attributes = first_argument.elements
		literal_attributes = attributes.all? do |attribute|
			Refract::AssocNode === attribute && static_attribute_value_literal?(attribute)
		end

		if literal_attributes
			return raw(
				Phlex::SGML::Attributes.generate_attributes(
					eval(
						"{#{Refract::Formatter.new.format_node(node).source}}",
						TOPLEVEL_BINDING
					)
				)
			)
		end

		Refract::CallNode.new(
			name: :__render_attributes__,
			arguments: Refract::ArgumentsNode.new(
				arguments: [
					node,
				]
			)
		)
	end
end

    		
  





    
      

  

  
    #compile_phlex_block(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 192

def compile_phlex_block(node)
	case node
	when Refract::BlockNode
		if output_block?(node)
			return visit(node.body)
		elsif static_content_block?(node)
			content = node.body.body.first
			case content
			when Refract::StringNode, Refract::SymbolNode
				return plain(content.unescaped)
			when Refract::InterpolatedStringNode
				return compile_interpolated_string_node(content)
			when Refract::NilNode
				return nil
			else
				raise
			end
		end
	end

	Refract::CallNode.new(
		name: :__yield_content__,
		block: node
	)
end

    		
  





    
      

  

  
    #compile_plain_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 288

def compile_plain_helper(node)
	node => Refract::CallNode

	if node.arguments.arguments in [Refract::StringNode]
		raw(node.arguments.arguments.first.unescaped)
	else
		node
	end
end

    		
  





    
      

  

  
    #compile_raw_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 351

def compile_raw_helper(node)
	node => Refract::CallNode
	node
end

    		
  





    
      

  

  
    #compile_standard_element(node, tag)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 123

def compile_standard_element(node, tag)
	node => Refract::CallNode

	Refract::StatementsNode.new(
		body: [
			raw("<#{tag}"),
			*(
				if node.arguments
					compile_phlex_attributes(node.arguments)
				end
			),
			raw(">"),
			*(
				if node.block
					compile_phlex_block(node.block)
				end
			),
			raw("</#{tag}>"),
		]
	)
end

    		
  





    
      

  

  
    #compile_void_element(node, tag)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 145

def compile_void_element(node, tag)
	node => Refract::CallNode

	Refract::StatementsNode.new(
		body: [
			raw("<#{tag}"),
			*(
				if node.arguments
					compile_phlex_attributes(node.arguments)
				end
			),
			raw(">"),
		]
	)
end

    		
  





    
      

  

  
    #compile_whitespace_helper(node)  ⇒ Object 
  

  

  




  

    
      


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# File 'lib/phlex/compiler/method_compiler.rb', line 266

def compile_whitespace_helper(node)
	node => Refract::CallNode

	if node.block
		Refract::StatementsNode.new(
			body: [
				raw(" "),
				compile_phlex_block(node.block),
				raw(" "),
			]
		)
	else
		raw(" ")
	end
end