grammar.g

start: program;
program: outer_block*;

outer_block: (outer_line NEWLINE)*
             outer_line?;
@outer_line: initialization
             	| assignment
             	 ';';

assignment: name '='
            ('\-' digits
            | value);
initialization: global? type assignment
                (',' assignment)*;

global: 'global';
type: 'int' | 'bool';
value: digits | 'true' | 'false';
digits: '\d+';

name: '(?i)[\w_]+';