Class: Twig::Node::With

Inherits:
Base
  • Object
show all
Defined in:
lib/twig/node/with.rb

Instance Attribute Summary

Attributes inherited from Base

#attributes, #lineno, #nodes, #source_context, #tag

Instance Method Summary collapse

Methods inherited from Base

#empty?, #length, #template_name, #to_s

Constructor Details

#initialize(body, variables, only, lineno) ⇒ With

Returns a new instance of With.

Parameters:



10
11
12
13
14
15
 
# File 'lib/twig/node/with.rb', line 10

def initialize(body, variables, only, lineno)
  nodes = { body: }
  nodes[:variables] = variables unless variables.nil?

  super(nodes, { only: }, lineno)
end

Instance Method Details

#compile(compiler) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
 
# File 'lib/twig/node/with.rb', line 17

def compile(compiler)
  compiler.
    add_debug_info(self).
    write("context.push_stack\n")

  if nodes.key?(:variables)
    if attributes[:only]
      compiler.write("context.clear\n")
    end

    var_name = compiler.var_name

    compiler.
      write("#{var_name} = ").
      subcompile(nodes[:variables]).
      write("\n").
      write("unless #{var_name}.is_a?(::Hash) || #{var_name} == []\n").
      indent.
      write("raise ::Twig::Error::Syntax.new('Variables passed to the \"with\" tag must be a mapping.',").
      repr(nodes[:variables].lineno).
      raw(", source_context)\n").
      outdent.
      write("end\n").
      write("context.merge!(env.globals)\n").
      write("context.merge!(#{var_name})\n")
  end

  compiler.
    subcompile(nodes[:body]).
    write("context.pop_stack\n")
end