21 lines
687 B
ANTLR
21 lines
687 B
ANTLR
grammar ptml;
|
|
|
|
root : tree+ EOF;
|
|
|
|
tree : internal_node '{' (action_sign|tree)* '}' ;
|
|
internal_node : 'sequence' | 'selector' | 'parallel' Integer ;
|
|
action_sign : ('act'|'cond') 'Not'? String '(' action_parm? ')';
|
|
action_parm : (Integer|Float|boolean|String) (',' (Integer|Float|boolean|String))* ;
|
|
// var_decls : var_type Names ;
|
|
// var_type : 'int' | 'float' | 'bool' | 'string' ;
|
|
boolean : 'True' | 'False' ;
|
|
|
|
String : [a-zA-Z_][a-zA-Z_0-9]* ;
|
|
Integer : '-'?[1-9][0-9]* | '0' ;
|
|
Float : [0-9]+'.'[0-9]* | '.'[0-9]+ ;
|
|
|
|
// comments
|
|
LINE_COMMENT : '//' .*? '\r'?'\n' -> skip ;
|
|
// useless
|
|
WS : [ \t\u000C\r\n]+ -> skip ;
|