[parser] #18 구현에 필요한 expressions & statements 개발

[yus1108]

필요/수정 general expressions:

• [x] \ [optional: const] token_data_type

• [x] \ identifier lparen <function_call_parameters> rparen

Expression: Prefix:

• [x] <literal>
• [x] <identifier>
• [x] <data_type>
• [x] <prefix_expression>

Infix:

• [x] <infix_expression>
• [x] <function_call>
• [x] <index_expression>

Infix Expressions

• [x] : <expression> plus|minus|asterisk|slash <expression>

• [x] \ : <expression> lbracket [optional: <expression>] rbracket

필요 special expressions (parse expression에 의해 파싱 되지 않는 expressions):

• [x] !: <expression> comma <expression> [optional: comma <function_call_parameters>]

• [x] !\ <data_type> <identifier> [optional: comma <function_parameter>] [optional: comma keyword_variadic] keyword_variadic

• [x] !\ [statement] [optional: [statement]]

• [x] !\ identifier [optional: assign <expression>] [optional: comma !<enum_block>]

필요/수정 statements:

• [x] [macro_include] macro_include

• [x] [comment] comment -> 코멘트는 모든 파싱에서 무시되는 토큰입니다.

• [x] [variable] <data_type> <identifier>|<index_expression : left=<identifier>> [optional: assign <expression>] semicolon

• [x] [function] <data_type>|<index_expression : left=<data_type>> <identifier> lparen !<function_declaration_parameters> rparen [optional: const] [semicolon or rparen lbrace !<function_block> rbrace]

• [x] [function_call] <function_call> semicolon

• [x] [enum] keyword_enum <identifier> [optional: colon <data_type>] lbrace !<enum_block> rbrace semicolon -> 해당 statement를 파싱 하였을 경우:

  1. enum type을 token 리스트에 {custom_enum_type, identifier}으로 추가합니다.
  2. enum block의 enum data 들을 token 리스트에 {custom_enum_data, "type_identifier::data_identifier"}으로 추가합니다.

  Originally posted by @yus1108 in #18

[yus1108]

https://github.com/yus1108/mcf/issues/18#issue-2407654942