compilation/spf.lark

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start: (instruction)*
instruction: keyword expression TERMINAL
| type declaration TERMINAL
| assignation TERMINAL
| test
| loop
declaration: VARIABLE (EQUAL_SIGN expression)?
assignation: VARIABLE EQUAL_SIGN expression
expression: literal
| list
| range
//| expression operator expression
//| operator expression
type: "booléen" | "entier" | "texte" | "liste"
literal: ENTIER
| BOOLEEN
| texte
texte: "\"" STRING "\""
list: "[" expression? ("," expression)* "]"
range: "[" ENTIER? ":" ENTIER? "]"
controls: test
| loop
operator: PLUS_SIGN
| MINUS_SIGN
| TIMES_SIGN
| DIVIDE_SIGN // TODO: not complete
PLUS_SIGN: "+"
MINUS_SIGN: "-"
TIMES_SIGN: "*"
DIVIDE_SIGN: "/"
EQUAL_SIGN: "="
test: "si" expression "alors" "{" instruction* "}"
| "si" expression "alors" "{" instruction* "}" "sinon" "{" instruction* "}"
loop: WHILES_KW expression WHILEE_KW "{" (instruction)* "}"
TERMINAL: ";"
VAR_CHARS: /[a-zA-Zçâêîôûéàèìòùëïü_]/
VARIABLE: VAR_CHARS (VAR_CHARS | /[0-9]/)*
ADD_KW: "ajouter"
SHOW_KW: "afficher"
WHILES_KW: "tant que"
WHILEE_KW: "faire"
keyword: ADD_KW
| SHOW_KW
%import common.INT -> ENTIER
TRUE_KW: "vrai"
FALSE_KW: "faux"
BOOLEEN: TRUE_KW
| FALSE_KW
%import common.ESCAPED_STRING -> STRING
COMMENT: /#[^\n]*/
%ignore COMMENT
%import common.WS
%ignore WS