================================================================================
Declare unquoted shape identifier with escape sequence (issue #21)
================================================================================
hello\[world\]
\#ello\[world\]
\#    helloello\[world\]
--------------------------------------------------------------------------------

(source_file
  (shape
    (shape_key
      (escape_sequence)
      (escape_sequence)
    )
  )
  (shape
    (shape_key
      (escape_sequence)
      (escape_sequence)
      (escape_sequence)
    )
  )
  (shape
    (shape_key
      (escape_sequence)
      (escape_sequence)
      (escape_sequence)
    )
  )
)

================================================================================
Handle end of file (issue #1)
================================================================================
foo
--------------------------------------------------------------------------------

(source_file
  (shape (shape_key))
)

================================================================================
Simple shape key
================================================================================
foo
bar

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

(source_file
  (shape (shape_key))
  (shape (shape_key))
)

================================================================================
Complex shape key
================================================================================
 Foo bar
-Biz-baz-
imAShape
im_a$_shape
im a shape
i'm a shape
a-shape
changeTeam(member, props, ctx)

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

(source_file
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
)

================================================================================
Use quoted string as a shape key
================================================================================
'foo'

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

(source_file
  (shape (shape_key (string (string_fragment))))
)

================================================================================
Use escape sequence in quoted string as a shape key
================================================================================
'\# hello \# world'

"\# hello \# world"

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

(source_file
  (shape (shape_key (string (string_fragment))))
  (shape (shape_key (string
    (escape_sequence)
    (string_fragment)
    (escape_sequence)
    (string_fragment)
  )))
)

================================================================================
Define multiple shapes using semicolons
================================================================================
a;b;c

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

(source_file
  (shape (shape_key))
  (shape (shape_key))
  (shape (shape_key))
)

================================================================================
Labeled shapes
================================================================================
a: Foo Bar
a: Foo Bar; b: Biz Baz

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

(source_file
  (shape (shape_key) (colon) (label))
  (shape (shape_key) (colon) (label))
  (shape (shape_key) (colon) (label))
)

================================================================================
Label with escape sequence
================================================================================
a: Foo\nB\#ar
a: Foo\nB\@r; b: Biz\nBaz

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

(source_file
  (shape (shape_key) (colon) (label (escape_sequence) (escape_sequence)))
  (shape (shape_key) (colon) (label (escape_sequence) (escape_sequence)))
  (shape (shape_key) (colon) (label (escape_sequence)))
)


================================================================================
It should skip white spaces
================================================================================

foo

bar   :  Foo Bar;     baz

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

(source_file
  (shape (shape_key))
  (shape (shape_key) (colon) (label))
  (shape (shape_key))
)

================================================================================
Use quoted string as shape key and label
================================================================================
'foo': "Label"

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

(source_file
  (shape
    (shape_key (string (string_fragment)))
    (colon)
    (label (string (string_fragment))))
)

================================================================================
Basic text block
================================================================================
foo: |
  - hello
|

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

(source_file
  (shape
    (shape_key)
    (colon)
    (text_block
      (raw_text)
    )
  )
)

================================================================================
Text block with specific language
================================================================================
foo: |go

  awsSession := From(c.Request.Context())

  client := s3.New(awsSession)


  ctx, cancelFn := context.WithTimeout(c.Request.Context(), AWS_TIMEOUT)

  defer cancelFn()
|

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

(source_file
  (shape
    (shape_key)
    (colon)
    (text_block
      (language)
      (raw_text)
    )
  )
)

================================================================================
Text block with quotes (custom escape characters)
================================================================================
foo: |$$$go

  awsSession := From(c.Request.Context())

  client := s3.New(awsSession)


  ctx, cancelFn := context.WithTimeout(c.Request.Context(), AWS_TIMEOUT)

  defer cancelFn()
$$$|

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

(source_file
  (shape
    (shape_key)
    (colon)
    (text_block
      (language)
      (raw_text)
    )
  )
)

================================================================================
Online text block
================================================================================
foo: | helo world |

bar: |##md ## hello world ##|

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

(source_file
  (shape
    (shape_key)
    (colon)
    (text_block
      (raw_text)
    )
  )
  (shape
    (shape_key)
    (colon)
    (text_block
      (language)
      (raw_text)
    )
  )
)

================================================================================
Shape with oneline comment
================================================================================
foo # hello
# world
bar

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

(source_file
  (shape (shape_key))
  (line_comment)
  (line_comment)
  (shape (shape_key))
)

================================================================================
Shape with block comment
================================================================================
foo

"""
hello world
"""

bar

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

(source_file
  (shape (shape_key))
  (block_comment)
  (shape (shape_key))
)

================================================================================
Declare a shape with a parent container reference
================================================================================
_
--------------------------------------------------------------------------------

(source_file
  (shape (shape_key (keyword_underscore)))
)