Add semicolon skipping in trigger/try-catch statement bodies

Fixes parsing of SQL with multiple semicolons before statements in:
- CREATE TRIGGER statement body (after AS)
- TRY block statements
- CATCH block statements

Also enables continuous parsing of all statements in trigger body
until GO/EOF instead of stopping after first statement.

Enables 3 previously failing tests:
- SemicolonsBeforeStatementTests2
- CreateTriggerStatementTests
- BaselinesCommon_CreateTriggerStatementTests

Author: claude

parser/marshal.go

@@ -6817,24 +6817,32 @@ func (p *Parser) parseCreateTriggerStatement() (*ast.CreateTriggerStatement, err
 		p.nextToken()
 	}
 
-	// Parse statement list
+	// Skip leading semicolons
+	for p.curTok.Type == TokenSemicolon {
+		p.nextToken()
+	}
+
+	// Parse statement list (all statements until GO/EOF)
 	stmtList := &ast.StatementList{}
 	for p.curTok.Type != TokenEOF {
 		// Check for GO or end of batch
 		if p.curTok.Type == TokenIdent && strings.ToUpper(p.curTok.Literal) == "GO" {
 			break
 		}
 
+		// Skip semicolons between statements
+		if p.curTok.Type == TokenSemicolon {
+			p.nextToken()
+			continue
+		}
+
 		innerStmt, err := p.parseStatement()
 		if err != nil {
 			return nil, err
 		}
 		if innerStmt != nil {
 			stmtList.Statements = append(stmtList.Statements, innerStmt)
 		}
-
-		// For simple triggers, stop after parsing one statement
-		break
 	}
 	stmt.StatementList = stmtList
 

parser/parse_statements.go

@@ -1165,6 +1165,11 @@ func (p *Parser) parseTryCatchStatement() (*ast.TryCatchStatement, error) {
 
 	// Parse statements until END TRY
 	for p.curTok.Type != TokenEnd && p.curTok.Type != TokenEOF {
+		// Skip semicolons
+		if p.curTok.Type == TokenSemicolon {
+			p.nextToken()
+			continue
+		}
 		s, err := p.parseStatement()
 		if err != nil {
 			return nil, err
@@ -1194,6 +1199,11 @@ func (p *Parser) parseTryCatchStatement() (*ast.TryCatchStatement, error) {
 
 	// Parse catch statements until END CATCH
 	for p.curTok.Type != TokenEnd && p.curTok.Type != TokenEOF {
+		// Skip semicolons
+		if p.curTok.Type == TokenSemicolon {
+			p.nextToken()
+			continue
+		}
 		s, err := p.parseStatement()
 		if err != nil {
 			return nil, err

parser/testdata/BaselinesCommon_CreateTriggerStatementTests/metadata.json

@@ -1 +1 @@
-{"todo": true}
+{}

parser/testdata/CreateTriggerStatementTests/metadata.json

@@ -1 +1 @@
-{"todo": true}
+{}

parser/testdata/SemicolonsBeforeStatementTests2/metadata.json

@@ -1 +1 @@
-{"todo": true}
+{}