tykescript.jison

/* typescript grammar */

%lex

%%
[\n\r]                          return 'NEWLINE'
[^\n\S]+                        {/* skip whitespace except \n */}
[0-9]+                          return 'NUMBER'
"+"                             return '+'
"aye"                           return 'aye'
"nay"                           return 'nay'
"in't"                          return 'isnt'
"is"                            return 'is'
"eyup"                          return 'VAR'
"wa"                            return 'EQ'
"nowthen"                       return 'nowthen'
"tara"                          return 'tara'
"do"                            return 'do'
"wi"                            return 'wi'
"on"                            return 'on'
"t'"                            return 't'
"av"                            return 'av'
[A-Za-z][A-Za-z_0-9-]*          return 'NAME'
('"'.*'"')|("'".*"'")            return 'STR'
<<EOF>>                         return 'EOF'

/lex

%start document

%%

document
    : SOURCE EOF {yy.add($1); return yy}
    ;

SOURCE
    : STATEMENTS
    | STATEMENTS NEWLINES
    ;

STATEMENTS
    : STATEMENT { $$ = yy.statement($1)}
    | STATEMENTS NEWLINES STATEMENT {$$ = yy.add_statement($1, $3)}
    ;

STATEMENT
    : ASSIGNMENT
    | EXPR
    | FUNCTION
    | FUNC_CALL
    ;


ASSIGNMENT
    : VAR LABEL EQ EXPR
        {$$ = yy.assignment($2, $4)}
    ;

FUNCTION
    : nowthen LABEL NEWLINE STATEMENTS NEWLINE tara
        {$$ = yy.function($2, $4)}
    | nowthen LABEL NEWLINE wi LABELS NEWLINE STATEMENTS NEWLINE tara
        {$$ = yy.function($2, $7, $5)}
    ;

FUNC_CALL
    : do NAMESPACE {$$ = yy.function_call($2)}
    | do NAMESPACE wi ARGS
        {$$ = yy.function_call($2, $4)}
    ;

EXPR
    : BOOL
    | NUM
    | STRING
    | LABEL
    | BOOL COMPARISON BOOL
        {$$ = yy.bool_compare($1, $2, $3)}
    | LABEL COMPARISON LABEL
        {$$ = yy.bool_compare($1, $2, $3)}
    ;

BOOL
    : BOOL_LITERAL
        {$$ = yy.bool_literal($1)}
    | NUM COMPARISON NUM
        {$$ = yy.bool_compare($1, $2, $3)}
    ;


BOOL_LITERAL
    : aye
        {$$ = $1}
    | nay
        {$$ = $1}
    ;


COMPARISON
    : isnt
        {$$ = $1}
    | is
        {$$ = $1}
    ;

NEWLINES
    : NEWLINE
    | NEWLINES NEWLINE
    ;

ARGS
    : EXPR {$$ = yy.args($1)}
    | ARGS EXPR {$$ = yy.add_args($1, $2)}
    ;

NAMESPACE
    : LABEL
    | LABEL on t LABEL
    ;

LABELS
    : LABEL {$$ = yy.labels($1)}
    | LABELS LABEL {yy.add_label($1, $2)}
    ;

STRING : STR {$$ = yy.string_literal($1)};
NUM : NUMBER {$$ = yy.number_literal($1)};
LABEL : NAME {$$ = yy.label($1)};


%%