fix: split whiteSpace into multiple tokens to fix findCaretTokenIndex may undefined

Author: JackWang032

src/grammar/flink/FlinkSqlLexer.g4

@@ -11,7 +11,7 @@ options {
 
 // SKIP
 
-SPACE         : [ \t\r\n]+                                                         -> channel(HIDDEN);
+SPACE         : (' ' | '\t' | '\r' | '\n')                                         -> channel(HIDDEN);
 COMMENT_INPUT : '/*' .*? '*/'                                                      -> channel(HIDDEN);
 LINE_COMMENT: (('--' | '#') ~[\r\n]* ('\r'? '\n' | EOF) | '--' ('\r'? '\n' | EOF)) -> channel(HIDDEN);
 

src/grammar/flink/FlinkSqlParser.g4

@@ -1217,4 +1217,4 @@ nonReservedKeywords
     | KW_WEEK
     | KW_YEARS
     | KW_ZONE
-    ;
+    ;

src/grammar/impala/ImpalaSqlLexer.g4

@@ -350,4 +350,4 @@ SIMPLE_COMMENT: '--' ~[\r\n]* '\r'? '\n'? -> channel(HIDDEN);
 
 BRACKETED_COMMENT: '/*' .*? '*/' -> channel(HIDDEN);
 
-WS: [ \r\n\t]+ -> channel(HIDDEN);
+WS: (' ' | '\t' | '\r' | '\n') -> channel(HIDDEN);

src/grammar/mysql/MySqlLexer.g4

@@ -41,7 +41,7 @@ channels {
     ERRORCHANNEL
 }
 
-SPACE              : [ \t\r\n]+                                                           -> channel(HIDDEN);
+SPACE              : (' ' | '\t' | '\r' | '\n')                                           -> channel(HIDDEN);
 SPEC_MYSQL_COMMENT : '/*!' .+? '*/'                                                       -> channel(MYSQLCOMMENT);
 COMMENT_INPUT      : '/*' .*? '*/'                                                        -> channel(HIDDEN);
 LINE_COMMENT: (('--' [ \t]* | '#') ~[\r\n]* ('\r'? '\n' | EOF) | '--' ('\r'? '\n' | EOF)) -> channel(HIDDEN);

src/grammar/spark/SparkSqlLexer.g4

@@ -481,7 +481,7 @@ SIMPLE_COMMENT: '--' ('\\\n' | ~[\r\n])* '\r'? '\n'? -> channel(HIDDEN);
 BRACKETED_COMMENT:
     '/*' (BRACKETED_COMMENT | .)*? ('*/' | {this.markUnclosedComment();} EOF) -> channel(HIDDEN);
 
-WS: [ \r\n\t]+ -> channel(HIDDEN);
+WS: (' ' | '\t' | '\r' | '\n') -> channel(HIDDEN);
 
 // Catch-all for anything we can't recognize.
 // We use this to be able to ignore and recover all the text

src/grammar/trino/TrinoSql.g4

@@ -1650,7 +1650,7 @@ SIMPLE_COMMENT: '--' ~[\r\n]* '\r'? '\n'? -> channel(HIDDEN);
 
 BRACKETED_COMMENT: '/*' .*? '*/' -> channel(HIDDEN);
 
-WS: [ \r\n\t]+ -> channel(HIDDEN);
+WS: (' ' | '\t' | '\r' | '\n') -> channel(HIDDEN);
 
 // Catch-all for anything we can't recognize.
 // We use this to be able to ignore and recover all the text

src/lib/flink/FlinkSqlLexer.interp

@@ -1151,7 +1151,7 @@ addConstraint
 dropConstraint
 addUnique
 notForced
-alertView
+alterView
 alterDatabase
 alterFunction
 dropCatalog

src/lib/flink/FlinkSqlLexer.ts

@@ -622,7 +622,7 @@ export class FlinkSqlParser extends SQLParserBase {
     public static readonly RULE_dropConstraint = 61;
     public static readonly RULE_addUnique = 62;
     public static readonly RULE_notForced = 63;
-    public static readonly RULE_alertView = 64;
+    public static readonly RULE_alterView = 64;
     public static readonly RULE_alterDatabase = 65;
     public static readonly RULE_alterFunction = 66;
     public static readonly RULE_dropCatalog = 67;
@@ -975,7 +975,7 @@ export class FlinkSqlParser extends SQLParserBase {
         "likeDefinition", "likeOption", "createCatalog", "createDatabase", 
         "createView", "createFunction", "usingClause", "jarFileName", "alterTable", 
         "renameDefinition", "setKeyValueDefinition", "addConstraint", "dropConstraint", 
-        "addUnique", "notForced", "alertView", "alterDatabase", "alterFunction", 
+        "addUnique", "notForced", "alterView", "alterDatabase", "alterFunction", 
         "dropCatalog", "dropTable", "dropDatabase", "dropView", "dropFunction", 
         "insertStatement", "insertSimpleStatement", "insertPartitionDefinition", 
         "valuesDefinition", "valuesRowDefinition", "insertMulStatementCompatibility", 
@@ -1315,7 +1315,7 @@ export class FlinkSqlParser extends SQLParserBase {
                 this.enterOuterAlt(localContext, 7);
                 {
                 this.state = 413;
-                this.alertView();
+                this.alterView();
                 }
                 break;
             case 8:
@@ -4457,9 +4457,9 @@ export class FlinkSqlParser extends SQLParserBase {
         }
         return localContext;
     }
-    public alertView(): AlertViewContext {
-        let localContext = new AlertViewContext(this.context, this.state);
-        this.enterRule(localContext, 128, FlinkSqlParser.RULE_alertView);
+    public alterView(): AlterViewContext {
+        let localContext = new AlterViewContext(this.context, this.state);
+        this.enterRule(localContext, 128, FlinkSqlParser.RULE_alterView);
         try {
             this.enterOuterAlt(localContext, 1);
             {
@@ -12777,8 +12777,8 @@ export class DdlStatementContext extends antlr.ParserRuleContext {
     public alterTable(): AlterTableContext | null {
         return this.getRuleContext(0, AlterTableContext);
     }
-    public alertView(): AlertViewContext | null {
-        return this.getRuleContext(0, AlertViewContext);
+    public alterView(): AlterViewContext | null {
+        return this.getRuleContext(0, AlterViewContext);
     }
     public alterDatabase(): AlterDatabaseContext | null {
         return this.getRuleContext(0, AlterDatabaseContext);
@@ -15555,7 +15555,7 @@ export class NotForcedContext extends antlr.ParserRuleContext {
 }
 
 
-export class AlertViewContext extends antlr.ParserRuleContext {
+export class AlterViewContext extends antlr.ParserRuleContext {
     public constructor(parent: antlr.ParserRuleContext | null, invokingState: number) {
         super(parent, invokingState);
     }
@@ -15578,21 +15578,21 @@ export class AlertViewContext extends antlr.ParserRuleContext {
         return this.getRuleContext(0, QueryStatementContext);
     }
     public override get ruleIndex(): number {
-        return FlinkSqlParser.RULE_alertView;
+        return FlinkSqlParser.RULE_alterView;
     }
     public override enterRule(listener: FlinkSqlParserListener): void {
-        if(listener.enterAlertView) {
-             listener.enterAlertView(this);
+        if(listener.enterAlterView) {
+             listener.enterAlterView(this);
         }
     }
     public override exitRule(listener: FlinkSqlParserListener): void {
-        if(listener.exitAlertView) {
-             listener.exitAlertView(this);
+        if(listener.exitAlterView) {
+             listener.exitAlterView(this);
         }
     }
     public override accept<Result>(visitor: FlinkSqlParserVisitor<Result>): Result | null {
-        if (visitor.visitAlertView) {
-            return visitor.visitAlertView(this);
+        if (visitor.visitAlterView) {
+            return visitor.visitAlterView(this);
         } else {
             return visitor.visitChildren(this);
         }