| returnStmt\r
| expr;\r
\r
-ifStmt: 'if' expr body ('else' 'if' expr body)* ('else' body)?;\r
+ifStmt: 'if' expr body elseIfStmt* elseStmt?;\r
+elseIfStmt: 'else' 'if' expr body;\r
+elseStmt: 'else' body;\r
\r
switchStmt: 'switch' identifierExpr switchBody;\r
-switchBody: '{' ('case' expr body)* '}';\r
+switchBody: '{' switchCase* '}';\r
+switchCase: 'case' expr body;\r
\r
forStmt: 'for' (varInit | assignStmt) ',' expr ',' expr body;\r
\r
funcExpr: funcName '(' (expr (',' expr)*)? ')';\r
\r
opExpr: binaryOp | prefixOp | postfixOp | ternaryOp;\r
-binaryOp: nonOpExpr BINARY_OP nonOpExpr (BINARY_OP nonOpExpr)*;\r
-prefixOp: PREFIX_OP nonOpExpr;\r
-postfixOp: nonOpExpr POSTFIX_OP;\r
+binaryOp: nonOpExpr binary_op nonOpExpr (binary_op nonOpExpr)*;\r
+prefixOp: prefix_op nonOpExpr;\r
+postfixOp: nonOpExpr postfix_op;\r
ternaryOp: nonOpExpr '?' expr ':' expr;\r
\r
identifierExpr: varName;\r
\r
litExpr: INT_LIT | DECIMAL_LIT | STRING_LIT | BOOL_LIT;\r
\r
-accessExpr: nonAccessExpr ((('.' | '->') identifierExpr) | ('[' expr ']'))+;\r
+accessExpr: nonAccessExpr (accessSubExpr)+;\r
+accessSubExpr: accessMember | accessBrackets;\r
+accessMember: ('.' | '->') identifierExpr;\r
+accessBrackets: '[' expr ']';\r
\r
parenExpr: '(' expr ')';\r
\r
structName: NAME;\r
\r
\r
-POSTFIX_OP:\r
+postfix_op:\r
'++' | '--';\r
-PREFIX_OP:\r
- [+!~&*-] | POSTFIX_OP;\r
-BINARY_OP:\r
- [+*/%&<|^>-] |\r
+prefix_op:\r
+ '+' | '-' | '!' | '~' | '&' | '*' | postfix_op;\r
+binary_op:\r
+ '+' | '-' | '*' | '/' | '%' | '&' | '<' | '|' | '^' | '>' |\r
'==' | '!=' | '<=' | '>=' | '<' | '>' |\r
'<<' | '>>' | '||' | '&&' | '&=' | '|=' | '^=' |\r
'<<=' | '>>=' | '+=' | '-=' | '*=' | '/=' | '%=';\r