Update parser and semantic analysis to 2025.02 (#356)

neo4j · Feb 12, 2025 · 68f55d4 · 68f55d4
1 parent 4f192bd
commit 68f55d4
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Showing 5 changed files with 43,804 additions and 39,476 deletions.
diff --git a/.changeset/itchy-deers-type.md b/.changeset/itchy-deers-type.md
@@ -0,0 +1,5 @@
+---
+'@neo4j-cypher/language-support': patch
+---
+
+Updates parser and semantic analysis to version 2025.02
diff --git a/packages/language-support/src/antlr-grammar/Cypher25Lexer.g4 b/packages/language-support/src/antlr-grammar/Cypher25Lexer.g4
@@ -295,6 +295,10 @@ CURRENT
    : C U R R E N T
    ;
 
+CYPHER
+   : C Y P H E R
+   ;
+
 DATA
    : D A T A
    ;
@@ -623,6 +627,10 @@ EXCLAMATION_MARK
    : '!'
    ;
 
+LANGUAGE
+   : L A N G U A G E
+   ;
+
 LBRACKET
    : '['
    ;

diff --git a/packages/language-support/src/antlr-grammar/Cypher25Parser.g4 b/packages/language-support/src/antlr-grammar/Cypher25Parser.g4
@@ -1346,7 +1346,7 @@ showPrivilege
 
 setPrivilege
    : SET (
-      (passwordToken | USER (STATUS | HOME DATABASE) | DATABASE ACCESS) ON DBMS
+      (passwordToken | USER (STATUS | HOME DATABASE) | DATABASE ACCESS | DEFAULT LANGUAGE) ON DBMS
       | LABEL labelsResource ON graphScope
       | PROPERTY propertiesResource ON graphScope graphQualifier
       | AUTH ON DBMS
@@ -1526,11 +1526,11 @@ graphScope
 // Database commands
 
 createCompositeDatabase
-   : COMPOSITE DATABASE databaseName (IF NOT EXISTS)? commandOptions? waitClause?
+   : COMPOSITE DATABASE databaseName (IF NOT EXISTS)? defaultLanguageSpecification? commandOptions? waitClause?
    ;
 
 createDatabase
-   : DATABASE databaseName (IF NOT EXISTS)? (TOPOLOGY (primaryTopology | secondaryTopology)+)? commandOptions? waitClause?
+   : DATABASE databaseName (IF NOT EXISTS)? defaultLanguageSpecification? (TOPOLOGY (primaryTopology | secondaryTopology)+)? commandOptions? waitClause?
    ;
 
 primaryTopology
@@ -1549,6 +1549,10 @@ secondaryToken
    : SECONDARY | SECONDARIES
    ;
 
+defaultLanguageSpecification
+    : DEFAULT LANGUAGE CYPHER UNSIGNED_DECIMAL_INTEGER
+    ;
+
 dropDatabase
    : COMPOSITE? DATABASE symbolicAliasNameOrParameter (IF EXISTS)? aliasAction? ((DUMP | DESTROY) DATA)? waitClause?
    ;
@@ -1560,7 +1564,7 @@ aliasAction
 
 alterDatabase
    : DATABASE symbolicAliasNameOrParameter (IF EXISTS)? (
-      (SET (alterDatabaseAccess | alterDatabaseTopology | alterDatabaseOption))+
+      (SET (alterDatabaseAccess | alterDatabaseTopology | alterDatabaseOption | defaultLanguageSpecification))+
       | (REMOVE OPTION symbolicNameString)+
    ) waitClause?
    ;
@@ -1801,6 +1805,7 @@ unescapedSymbolicNameString_
    | CREATE
    | CSV
    | CURRENT
+   | CYPHER
    | DATA
    | DATABASE
    | DATABASES
@@ -1873,6 +1878,7 @@ unescapedSymbolicNameString_
    | KEY
    | LABEL
    | LABELS
+   | LANGUAGE
    | LEADING
    | LIMITROWS
    | LIST

diff --git a/packages/language-support/src/lexerSymbols.ts b/packages/language-support/src/lexerSymbols.ts
@@ -218,6 +218,7 @@ export const lexerKeywords = [
   CypherLexer.KEY,
   CypherLexer.LABEL,
   CypherLexer.LABELS,
+  CypherLexer.LANGUAGE,
   CypherLexer.LEADING,
   CypherLexer.LIMITROWS,
   CypherLexer.LIST,