question: public final void parse ( TokenStream ddlContent , Tables databaseTables ) throws ParsingException , IllegalStateException { this . tokens = ddlContent ; this . databaseTables = databaseTables ; Marker marker = ddlContent . mark ( ) ; try { while ( ddlContent . hasNext ( ) ) { parseNextStatement ( ddlContent . mark ( ) ) ; tokens . canConsume ( DdlTokenizer . STATEMENT_TERMINATOR ) ; } } catch ( ParsingException e ) { ddlContent . rewind ( marker ) ; throw e ; } catch ( Throwable t ) { parsingFailed ( ddlContent . nextPosition ( ) , "Unexpected exception (" + t . getMessage ( ) + ") parsing" , t ) ; } }
target:  Examine the stream starting at its current position for DDL statements, and apply those statements to the specified database table definitions.