parent
36e58a6c7b
commit
6d8826741a
@ -0,0 +1,51 @@ |
||||
|
||||
PROGRAM <- _ STATEMENTS |
||||
|
||||
STATEMENTS <- (EXPRESSION (';' _)?)* |
||||
|
||||
EXPRESSION <- ASSIGNMENT / PRIMARY |
||||
ASSIGNMENT <- MUTABLE IDENTIFIER '=' _ EXPRESSION |
||||
WHILE <- 'while' _ EXPRESSION BLOCK |
||||
IF <- 'if' _ EXPRESSION BLOCK ('else' _ 'if' _ EXPRESSION BLOCK)* ('else' _ BLOCK)? |
||||
FUNCTION <- 'fn' _ PARAMETERS BLOCK |
||||
PARAMETERS <- '(' _ (PARAMETER (',' _ PARAMETER)*)? ')' _ |
||||
PARAMETER <- MUTABLE IDENTIFIER |
||||
FUNCTION_CALL <- IDENTIFIER ARGUMENTS |
||||
ARGUMENTS <- '(' _ (EXPRESSION (', ' _ EXPRESSION)*)? ')' _ |
||||
|
||||
PRIMARY <- LOGICAL_OR ('||' _ LOGICAL_OR)* |
||||
LOGICAL_OR <- LOGICAL_AND ('&&' _ LOGICAL_AND)* |
||||
LOGICAL_AND <- CONDITION (CONDITION_OPERATOR CONDITION)* |
||||
CONDITION <- TERM (TERM_OPERATOR TERM)* |
||||
TERM <- UNARY_PLUS_OPERATOR? UNARY_PLUS |
||||
UNARY_PLUS <- UNARY_MINUS_OPERATOR? UNARY_MINUS |
||||
UNARY_MINUS <- UNARY_NOT_OPERATOR? UNARY_NOT |
||||
UNARY_NOT <- FACTOR (FACTOR_OPERATOR FACTOR)* |
||||
FACTOR <- WHILE / IF / FUNCTION / FUNCTION_CALL / NUMBER / BOOLEAN / STRING / INTERPOLATED_STRING / IDENTIFIER / '(' _ EXPRESSION ')' _ |
||||
|
||||
BLOCK <- '{' _ STATEMENTS '}' _ |
||||
|
||||
CONDITION_OPERATOR <- < ('==' / '!=' / '<=' / '<' / '>=' / '>') > _ |
||||
TERM_OPERATOR <- < [-+] > _ |
||||
UNARY_PLUS_OPERATOR <- < '+' > _ |
||||
UNARY_MINUS_OPERATOR <- < '-' > _ |
||||
UNARY_NOT_OPERATOR <- < '!' > _ |
||||
FACTOR_OPERATOR <- < [*/%] > _ |
||||
|
||||
IDENTIFIER <- < [a-zA-Z_][a-zA-Z0-9_]* > _ |
||||
|
||||
NUMBER <- < [0-9]+ > _ |
||||
BOOLEAN <- < ('true' / 'false') > _ |
||||
STRING <- ['] < (!['] .)* > ['] _ |
||||
|
||||
INTERPOLATED_STRING <- '"' ('{' _ EXPRESSION '}' / INTERPOLATED_CONTENT)* '"' _ |
||||
INTERPOLATED_CONTENT <- (!["{] .) (!["{] .)* |
||||
|
||||
MUTABLE <- < 'mut'? > _ |
||||
|
||||
~_ <- (Space / EndOfLine / Comment)* |
||||
Space <- ' ' / '\t' |
||||
EndOfLine <- '\r\n' / '\n' / '\r' |
||||
EndOfFile <- !. |
||||
Comment <- '/*' (!'*/' .)* '*/' / ('#' / '//') (!(EndOfLine / EndOfFile) .)* (EndOfLine / EndOfFile) |
||||
|
Loading…
Reference in new issue