Module: Liquidscript::Compiler::ICR::Literals

Included in:
Liquidscript::Compiler::ICR
Defined in:
lib/liquidscript/compiler/icr/literals.rb

Instance Method Summary collapse

Instance Method Details

#_compile_for_in(ident) ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 39

def _compile_for_in(ident)
  content = shift :identifier
  unless content.value == "in"
    raise CompileError, "Expected `in', got #{content.value}"
  end

  obj = shift :identifier
  shift :rparen
  shift :lbrace

  set ident
  body = collect_compiles(:expression, :rbrace)
  code :for_in, ident, ref(obj), body
end

#_compile_for_seg(first) ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 54

def _compile_for_seg(first)
  first = value_expect(first)
  shift :comma
  second = compile_vexpression
  shift :comma
  third = compile_vexpression
  shift :rparen
  shift :lbrace

  body = collect_compiles(:expression, :rbrace)
  code :for_seg, first, second, third, body
end

#compile_action ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 10

def compile_action
  code :action, shift(:action)
end

#compile_array ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 151

def compile_array
  shift :lbrack

  parts = collect_compiles(:vexpression, :rbrack,
    :comma => action.shift)

  code :array, parts
end

#compile_for ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 24

def compile_for
  shift :for
  shift :lparen
  if peek?(:identifier)
    ident = shift :identifier
    if peek?(:identifier)
      _compile_for_in(ident)
    else
      _compile_for_seg(compile_identifier(ident))
    end
  else
    compile_for_seg compile_vexpression
  end
end

#compile_function ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 167

def compile_function
  compile_function_with_parameters([])
end

#compile_function_with_parameters(parameters) ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 178

def compile_function_with_parameters(parameters)
  shift :arrow

  expressions = Liquidscript::ICR::Set.new
  expressions.context = Liquidscript::ICR::Context.new
  expressions.context.parent = top.context
  expressions[:arguments] = parameters
  @set << expressions

  parameters.each do |parameter|
    set(parameter).parameter!
  end


  expression = action do
    expressions << compile_expression
  end

  unless peek?(:lbrace)
    expression.call
  else
    shift :lbrace
    loop do
      expect :rbrace => action.end_loop,
             :_      => expression
    end
  end

  code :function, @set.pop
end

#compile_heredoc ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 86

def compile_heredoc
  h = shift(:heredoc, :iheredoc)

  top[:heredocs][top[:herenum]].body = [h]
  top[:herenum] += 1
  nil
end

#compile_href ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 77

def compile_href
  ref = shift :heredoc_ref, :iheredoc_ref
  heredoc = Heredoc.new(ref.value, ref.type == :iheredoc_ref)
  top[:heredocs] ||= []
  top[:herenum]  ||= 0
  top[:heredocs] << heredoc
  code :href, heredoc
end

#compile_identifier(identifier) ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 67

def compile_identifier(identifier)
  ref(identifier) unless peek?(:equal)

  identifier
end

#compile_iheredoc_begin ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 94

def compile_iheredoc_begin
  start = shift :iheredoc_begin
  contents = [start]

  loop do
    contents << compile_vexpression
    contents << shift(:iheredoc)
    peek?(:istring_begin)
  end

  top[:heredocs][top[:herenum]].body = contents
  top[:herenum] += 1
  nil
end

#compile_istring ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 123

def compile_istring
  code :istring, shift(:istring).value
end

#compile_istring_begin ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 109

def compile_istring_begin
  start = shift :istring_begin
  contents = [start]

  loop do
    contents << compile_vexpression
    contents << shift(:istring)
    peek?(:istring_begin)
  end


  code :interop, *contents
end

#compile_keyword ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 135

def compile_keyword
  code :keyword, shift(:keyword)
end

#compile_newline ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 171

def compile_newline
  if peek?(:newline)
    pop
    code :newline
  end
end

#compile_number ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 6

def compile_number
  code :number, pop.value
end

#compile_object ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 139

def compile_object
  shift :lbrace

  objects = collect_compiles :rbrace,
    :comma => action.shift,
    :newline => action.shift do
    [compile_object_key, compile_vexpression]
  end

  code :object, objects
end

#compile_object_key ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 160

def compile_object_key
  key = shift :identifier, :istring
  shift :colon

  key
end

#compile_operator ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 131

def compile_operator
  code :operator, shift(:operator), compile_vexpression
end

#compile_regex ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 73

def compile_regex
  code :regex, shift(:regex)
end

#compile_sstring ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 127

def compile_sstring
  code :sstring, shift(:sstring).value[1..-1]
end

#compile_while ⇒ Object 



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# File 'lib/liquidscript/compiler/icr/literals.rb', line 14

def compile_while
  shift :while
  shift :lparen
  conditional = compile_vexpression
  shift :rparen
  shift :lbrace
  body = collect_compiles(:expression, :rbrace)
  code :while, conditional, body
end