feat: FlinkSQL supports auto complete (#115)

* feat: add antlr4-c3 dependencies

* feat: distinguish table, catalog and database from uid

* feat: move semicolon from sqlStatements to sqlStatement

* chore: move antlr4ts-cli to devDependencies

* feat: improve basic parser and support suggestions of token and syntax

* feat: implement suggest method in sql parsers

* test: flink sql suggestion test cases

* feat: optimize ts defination of suggestion

* feat: add split listener and optimize performance of auto-completion

* test: supplementary flink suggestion unit tests

src/grammar/flinksql/FlinkSqlParser.g4

@@ -9,12 +9,14 @@ statement
     ;
 
 sqlStatements
-    : (sqlStatement SEMICOLON? | emptyStatement)*
+    : (sqlStatement | emptyStatement)*
     ;
 
 sqlStatement
-    : ddlStatement | dmlStatement | describeStatement | explainStatement | useStatement | showStatememt
-    | loadStatement | unloadStatememt | setStatememt | resetStatememt | jarStatememt | dtAddStatement
+    : ddlStatement SEMICOLON? | dmlStatement SEMICOLON? | describeStatement SEMICOLON? 
+    | explainStatement SEMICOLON? | useStatement SEMICOLON?| showStatememt SEMICOLON?
+    | loadStatement SEMICOLON?| unloadStatememt SEMICOLON?| setStatememt SEMICOLON?
+    | resetStatememt SEMICOLON?| jarStatememt SEMICOLON?| dtAddStatement SEMICOLON?
     ;
 
 emptyStatement
@@ -33,7 +35,7 @@ dmlStatement
 
 // some statemen
 describeStatement
-    : (KW_DESCRIBE | KW_DESC) uid
+    : (KW_DESCRIBE | KW_DESC) tablePath
     ;
 
 explainStatement
@@ -49,7 +51,9 @@ explainDetail
     ;
 
 useStatement
-    : KW_USE KW_CATALOG? uid | useModuleStatement
+    : KW_USE KW_CATALOG catalogPath 
+    | KW_USE databasePath
+    | useModuleStatement
     ;
 
 useModuleStatement
@@ -59,7 +63,7 @@ useModuleStatement
 showStatememt
     : KW_SHOW (KW_CATALOGS | KW_DATABASES | KW_VIEWS | KW_JARS)
     | KW_SHOW KW_CURRENT (KW_CATALOG | KW_DATABASE)
-    | KW_SHOW KW_TABLES (( KW_FROM | KW_IN ) uid)? likePredicate?
+    | KW_SHOW KW_TABLES (( KW_FROM | KW_IN ) tablePath)? likePredicate?
     | KW_SHOW KW_COLUMNS ( KW_FROM | KW_IN ) uid likePredicate?
     | KW_SHOW KW_CREATE (KW_TABLE | KW_VIEW) uid
     | KW_SHOW KW_USER? KW_FUNCTIONS
@@ -106,7 +110,7 @@ createTable
     ;
     
 simpleCreateTable
-    : KW_CREATE KW_TEMPORARY? KW_TABLE ifNotExists? sourceTable
+    : KW_CREATE KW_TEMPORARY? KW_TABLE ifNotExists? tablePathCreate
     LR_BRACKET 
         columnOptionDefinition (COMMA columnOptionDefinition)*
         (COMMA watermarkDefinition)?
@@ -124,7 +128,7 @@ simpleCreateTable
  * CTAS 不支持指定显示指定列，不支持创建分区表，临时表
  */
 createTableAsSelect
-    : KW_CREATE KW_TABLE ifNotExists? sourceTable withOption (KW_AS queryStatement)?
+    : KW_CREATE KW_TABLE ifNotExists? tablePathCreate withOption (KW_AS queryStatement)?
     ;
 
 columnOptionDefinition
@@ -244,11 +248,7 @@ transformArgument
     ;
 
 likeDefinition
-    : KW_LIKE sourceTable (LR_BRACKET likeOption* RR_BRACKET)?
-    ;
-
-sourceTable
-    : uid
+    : KW_LIKE tablePath (LR_BRACKET likeOption* RR_BRACKET)?
     ;
 
 likeOption
@@ -261,7 +261,7 @@ createCatalog
     ;
 
 createDatabase
-    : KW_CREATE KW_DATABASE ifNotExists? uid commentSpec? withOption
+    : KW_CREATE KW_DATABASE ifNotExists? databasePathCreate commentSpec? withOption
     ;
 
 createView
@@ -269,7 +269,7 @@ createView
     ;
 
 createFunction
-    : KW_CREATE (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifNotExists? uid KW_AS identifier (KW_LANGUAGE (KW_JAVA|KW_SCALA|KW_PYTHON))? usingClause?
+    : KW_CREATE (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifNotExists? functionName KW_AS identifier (KW_LANGUAGE (KW_JAVA|KW_SCALA|KW_PYTHON))? usingClause?
     ;
 
 usingClause
@@ -285,7 +285,7 @@ jarFileName
 // it only includes rename, set key, add constraint, drop constraint, add unique
 
 alterTable
-    : KW_ALTER KW_TABLE ifExists? uid (renameDefinition | setKeyValueDefinition | addConstraint | dropConstraint | addUnique)
+    : KW_ALTER KW_TABLE ifExists? tablePath (renameDefinition | setKeyValueDefinition | addConstraint | dropConstraint | addUnique)
     ;
 
 renameDefinition
@@ -317,7 +317,7 @@ alertView
     ;
 
 alterDatabase
-    : KW_ALTER KW_DATABASE uid setKeyValueDefinition
+    : KW_ALTER KW_DATABASE databasePath setKeyValueDefinition
     ;
 
 alterFunction
@@ -328,15 +328,15 @@ alterFunction
 // Drop statements
 
 dropCatalog
-    : KW_DROP KW_CATALOG ifExists? uid
+    : KW_DROP KW_CATALOG ifExists? catalogPath
     ;
 
 dropTable
-    : KW_DROP KW_TEMPORARY? KW_TABLE ifExists? uid
+    : KW_DROP KW_TEMPORARY? KW_TABLE ifExists? tablePath
     ;
 
 dropDatabase
-    : KW_DROP KW_DATABASE ifExists? uid dropType=(KW_RESTRICT | KW_CASCADE)?
+    : KW_DROP KW_DATABASE ifExists? databasePath dropType=(KW_RESTRICT | KW_CASCADE)?
     ;
 
 dropView
@@ -344,7 +344,7 @@ dropView
     ;
 
 dropFunction
-    : KW_DROP (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifExists? uid
+    : KW_DROP (KW_TEMPORARY|KW_TEMPORARY KW_SYSTEM)? KW_FUNCTION ifExists? functionName
     ;
 
 
@@ -356,7 +356,7 @@ insertStatement
     ;
 
 insertSimpleStatement
-    : KW_INSERT (KW_INTO | KW_OVERWRITE) uid
+    : KW_INSERT (KW_INTO | KW_OVERWRITE) tablePath
     (
         insertPartitionDefinition? columnNameList? queryStatement
         | valuesDefinition
@@ -454,9 +454,7 @@ tablePrimary
     | KW_UNNEST LR_BRACKET expression RR_BRACKET
     ;
 
-tablePath
-    : uid
-    ;
+
 
 systemTimePeriod
     : KW_FOR KW_SYSTEM_TIME KW_AS KW_OF dateTimeExpression
@@ -827,6 +825,26 @@ whenClause
     : KW_WHEN condition=expression KW_THEN result=expression
     ;
 
+catalogPath
+    : uid
+    ;
+
+databasePath
+    : uid
+    ;
+
+databasePathCreate
+    : uid
+    ;
+
+tablePathCreate
+    : uid
+    ;
+
+tablePath
+    : uid
+    ;
+
 uid
     : identifier (DOT identifier)*?
     ;