morrySnow commented on code in PR #39590:
URL: https://github.com/apache/doris/pull/39590#discussion_r1722625134
##########
fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisLexer.g4:
##########
@@ -703,11 +688,11 @@ SIMPLE_COMMENT
;
BRACKETED_COMMENT
- : '/*' {!isHint()}? ( BRACKETED_COMMENT | . )*? ('*/' |
{markUnclosedComment();} EOF) -> channel(HIDDEN)
+ : COMMENT_START ( BRACKETED_COMMENT | . )*? ('*/' |
{markUnclosedComment();} EOF) -> channel(HIDDEN)
Review Comment:
```suggestion
: COMMENT_START ( BRACKETED_COMMENT | HINT_WITH_CHANNEL | . )*? ('*/' |
{markUnclosedComment();} EOF) -> channel(HIDDEN)
```
##########
fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisLexer.g4:
##########
@@ -624,6 +608,7 @@ COLON: ':';
ARROW: '->';
HINT_START: '/*+';
HINT_END: '*/';
+COMMENT_START: '/*';
Review Comment:
add to non-reserved key word
##########
fe/fe-core/src/main/antlr4/org/apache/doris/nereids/DorisLexer.g4:
##########
@@ -703,11 +688,11 @@ SIMPLE_COMMENT
;
BRACKETED_COMMENT
- : '/*' {!isHint()}? ( BRACKETED_COMMENT | . )*? ('*/' |
{markUnclosedComment();} EOF) -> channel(HIDDEN)
+ : COMMENT_START ( BRACKETED_COMMENT | . )*? ('*/' |
{markUnclosedComment();} EOF) -> channel(HIDDEN)
;
HINT_WITH_CHANNEL
- : {isChannel2()}? HINT_START .*? HINT_END -> channel(2)
+ : HINT_START {isChannel2()}? .*? HINT_END -> channel(2)
Review Comment:
```suggestion
: HINT_START {isChannel2()}? ( BRACKETED_COMMENT | HINT_WITH_CHANNEL | .
)*? HINT_END -> channel(2)
```
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