================================================================================
simple quoted template expression
================================================================================

foo = "${ var.bar }"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_interpolation
              (expression
                (variable_expr
                  (identifier))
                (get_attr
                  (identifier))))))))))

================================================================================
empty template interpolation
================================================================================

foo = "${}"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_interpolation)))))))

================================================================================
empty heredoc template
================================================================================

foo = <<END
END

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (heredoc_template
            (heredoc_start)
            (heredoc_identifier)
            (heredoc_identifier)))))))

================================================================================
heredoc with fake ending
================================================================================

foo = <<END
  END    not!
END

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (heredoc_template
            (heredoc_start)
            (heredoc_identifier)
            (template_literal)
            (heredoc_identifier)))))))

================================================================================
quoted template expression with escaped strings and fake strip marker
================================================================================

foo = "${ " ~ " }"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_interpolation
              (expression
                (literal_value
                  (string_lit
                    (template_literal)))))))))))

================================================================================
quoted template with nested quoted template
================================================================================

foo = "p-${ foo("v-${a.b}") }"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_literal)
            (template_interpolation
              (expression
                (function_call
                  (identifier)
                  (function_arguments
                    (expression
                      (template_expr
                        (quoted_template
                          (template_literal)
                          (template_interpolation
                            (expression
                              (variable_expr
                                (identifier))
                              (get_attr
                                (identifier)))))))))))))))))

================================================================================
quoted template interpolation with strip markers
================================================================================

foo = "hello ${~ "world" ~} hello"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_literal)
            (template_interpolation
              (strip_marker)
              (expression
                (literal_value
                  (string_lit
                    (template_literal))))
              (strip_marker))
            (template_literal)))))))

================================================================================
quoted template object expression in template
================================================================================

foo = "${ {a=b}[a] }"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (quoted_template
            (template_interpolation
              (expression
                (collection_value
                  (object
                    (object_elem
                      (expression
                        (variable_expr
                          (identifier)))
                      (expression
                        (variable_expr
                          (identifier))))))
                (index
                  (new_index
                    (expression
                      (variable_expr
                        (identifier)))))))))))))

================================================================================
escaped template interpolation start
================================================================================

foo = "hello $${ world"

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (literal_value
          (string_lit
            (template_literal)))))))

================================================================================
tricky heredoc
================================================================================

foo = <<END
    contains fake endings
    END (ineligible) END
END

--------------------------------------------------------------------------------

(config_file
  (body
    (attribute
      (identifier)
      (expression
        (template_expr
          (heredoc_template
            (heredoc_start)
            (heredoc_identifier)
            (template_literal)
            (heredoc_identifier)))))))