refactor: standard naming (#278)

* refactor: rename flinksql to flink

* refactor: rename pgsql to postgresql

* refactor: rename trinosql to trino

* refactor: replace all default exports with named export

* refactor: rename basicParser to basicSQL

* refactor: rename basic-parser-types to types

* refactor: replace arrow func with plain func

Author: HaydenOrz

src/grammar/flinksql/FlinkSqlLexer.g4 src/grammar/flink/FlinkSqlLexer.g4src/grammar/flinksql/FlinkSqlLexer.g4 renamed to src/grammar/flink/FlinkSqlLexer.g4

@@ -11,7 +11,7 @@ options {
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 program

src/grammar/flinksql/FlinkSqlParser.g4 src/grammar/flink/FlinkSqlParser.g4src/grammar/flinksql/FlinkSqlParser.g4 renamed to src/grammar/flink/FlinkSqlParser.g4

@@ -32,7 +32,7 @@ options
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 program

src/grammar/hive/HiveSqlParser.g4

@@ -26,7 +26,7 @@ options
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 program

src/grammar/impala/ImpalaSqlParser.g4

@@ -40,7 +40,7 @@ options {
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 // Top Level Description

src/grammar/mysql/MySqlParser.g4

@@ -35,7 +35,7 @@ options {
     caseInsensitive= true;
 }
 @lexer::header {
-import PlSqlBaseLexer from "./PlSqlBaseLexer";
+import { PlSqlBaseLexer } from "./PlSqlBaseLexer";
 }
 
 ABORT                          : 'ABORT';

src/grammar/plsql/PlSqlLexer.g4

@@ -36,7 +36,7 @@ options {
 }
 
 @parser::header {
-import PlSqlBaseParser from './PlSqlBaseParser';
+import { PlSqlBaseParser } from './PlSqlBaseParser';
 }
 
 program

src/grammar/plsql/PlSqlParser.g4

@@ -34,7 +34,7 @@
 // $antlr-format singleLineOverrulesHangingColon true, alignLexerCommands true, alignLabels true, alignTrailers true
 // $antlr-format spaceBeforeAssignmentOperators false, groupedAlignments true
 
-lexer grammar PostgreSQLLexer;
+lexer grammar PostgreSqlLexer;
 
 options {
     caseInsensitive= true;

src/grammar/pgsql/PostgreSQLLexer.g4 src/grammar/postgresql/PostgreSqlLexer.g4src/grammar/pgsql/PostgreSQLLexer.g4 renamed to src/grammar/postgresql/PostgreSqlLexer.g4

@@ -37,16 +37,16 @@
 // $antlr-format allowShortRulesOnASingleLine false, allowShortBlocksOnASingleLine true, alignSemicolons hanging, alignColons hanging
 // $antlr-format spaceBeforeAssignmentOperators false, keepEmptyLinesAtTheStartOfBlocks true
 
-parser grammar PostgreSQLParser;
+parser grammar PostgreSqlParser;
 
 options {
-    tokenVocab= PostgreSQLLexer;
+    tokenVocab= PostgreSqlLexer;
     caseInsensitive= true;
     superClass=SQLParserBase;
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 program

src/grammar/pgsql/PostgreSQLParser.g4 …c/grammar/postgresql/PostgreSqlParser.g4src/grammar/pgsql/PostgreSQLParser.g4 renamed to src/grammar/postgresql/PostgreSqlParser.g4 src/grammar/pgsql/PostgreSQLParser.g4 renamed to src/grammar/postgresql/PostgreSqlParser.g4

@@ -31,7 +31,7 @@ options {
 }
 
 @header {
-import SQLParserBase from '../SQLParserBase';
+import { SQLParserBase } from '../SQLParserBase';
 }
 
 program