Client commands

packages/language-support/src/antlr-grammar/ConsoleCommandLexer.g4

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+lexer grammar ConsoleCommandLexer;
+
+import CypherLexer;
+
+PARAM : P A R A M S?;
+
+HELP : H E L P; 
+
+PLAY: P L A Y; 
+
+CLEAR: C L E A R;
+
+HISTORY: H I S T O R Y;
+
+SNAKE: S N A K E;

packages/language-support/src/antlr-grammar/ConsoleCommandParser.g4

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+parser grammar ConsoleCommandParser;
+
+import CypherParser;
+
+options { tokenVocab = ConsoleCommandLexer; }
+
+// PLAY: 'play'; 
+// Re use Cypher lexer ??? declreare here or not? ?
+ // HELP: 'help'; 
+
+consoleCommand: COLON (helpCmd | playCmd | clearCmd | history | use | snake | paramsCmd | cypherQuery);
+
+paramsCmd: PARAM (LIST | CLEAR | expression)?; 
+
+helpCmd: HELP unescapedSymbolicNameString;
+
+playCmd: PLAY unescapedSymbolicNameString;
+
+clearCmd: CLEAR;
+
+history: HISTORY;
+
+use: USE symbolicAliasName;
+
+snake: SNAKE;
+
+// cypher here??? 
+// then prop to the lang support pkg, use client command or not? 
+
+cypherQuery: statements
+
+
+
+
+
+/*
+cypherConsoleCommandName ( cypherConsoleCommandParameters )? ;
+ cypherConsoleCommandName: COLON symbolicNameString (MINUS symbolicNameString)*;
+
+cypherConsoleCommandParameters : cypherConsoleCommandParameter ( cypherConsoleCommandParameter )* ;
+
+cypherConsoleCommandParameter:
+*/
+	// url
+	// | json
+	// | arrowExpression
+	// | mapLiteral
+	// | keyValueLiteral
+	// | stringLiteral
+	// | numberLiteral
+	// | booleanLiteralRule
+	// | subCommand
+	// | commandPath;
+
+// url: uri;
+
+//uri: scheme '://' login? host (':' port)? ('/' path)? urlQuery? frag? ;
+
+
+// arrowExpression: symbolicNameString  '=>'  expression;
+
+/* 
+scheme: string;
+
+host: '/'? (hostname | hostnumber);
+
+hostname: string ('.' string)*;
+
+hostnumber: urlDigits '.' urlDigits '.' urlDigits '.' urlDigits;
+
+port: urlDigits;
+
+path: string ('/' string)*;
+
+user: string;
+
+login: user ':' password '@';
+
+password: string;
+
+frag: ('#' string);
+
+urlQuery: ('?' search);
+
+search: searchparameter ('&' searchparameter)*;
+
+searchparameter: string ('=' (string | urlDigits  /* | UrlHex* /))?;
+
+string: symbolicNameString (('+'| '.')? symbolicNameString)*? ;
+
+urlDigits: UNSIGNED_DECIMAL_INTEGER+;
+
+// JSON
+
+/* 
+json: value;
+
+obj : '{'  pair  (',' pair )* '}'
+   | '{' '}'
+   ;
+
+pair : stringLiteral ':'  value
+   ;
+
+array : '['  value  (','  value )* ']'
+   | '['  ']'
+   ;
+
+value : stringLiteral
+   | numberLiteral
+   | obj
+   | array
+   | booleanLiteralRule
+   | NULL
+   ;
+
+
+keyValueLiteral : variable ':' ( stringLiteral | numberLiteral | booleanLiteralRule | symbolicNameString ) ;
+
+commandPath : ( '/' ( symbolicNameString | numberLiteral ) )+ '/'? ;
+
+
+subCommand : ( symbolicNameString ( '-' symbolicNameString )* ) ;
+
+booleanLiteralRule: TRUE | FALSE ;
+*/ 

packages/language-support/src/generated-parser/test.ts

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+
+import { CharStreams, CommonTokenStream } from 'antlr4';
+import Lexer from './ConsoleCommandLexer';
+import Parser from './ConsoleCommandParser';
+
+  const inputStream = CharStreams.fromString(':param 3+3');
+  const lexer = new Lexer(inputStream);
+  const tokenStream = new CommonTokenStream(lexer);
+  const parser = new Parser(tokenStream);
+
+console.log(parser.consoleCommand().getText())