Merge pull request #17 from anboralabs/array_support

Added support for arrays.

Author: dalgarins

build.gradle

@@ -12,7 +12,7 @@ grammarKit {
 }
 
 group 'co.anbora.labs'
-version '1.1.1-SNAPSHOT'
+version '1.1.2-SNAPSHOT'
 
 repositories {
     mavenCentral()
@@ -65,6 +65,11 @@ publishPlugin {
 patchPluginXml {
     changeNotes """
       <ul>
+          <li><b>1.1.2</b> <em>(2020-11-02)</em> - added arrays support</li>
+              <ul>
+                  <li>Added support for arrays</li>
+              </ul>
+          </li>
           <li><b>1.1.1</b> <em>(2020-10-28)</em> - added built-in functions support</li>
               <ul>
                   <li>Added support for functions: get, exists</li>

src/main/grammar/FirebaseRules.bnf

@@ -63,7 +63,7 @@ ConditionalExpression ::= Expression (BooleanOperator Expression)*
 
 ObjectStatement ::= IDENTIFIER(DOT IDENTIFIER)*
 
-CallFunctionStatement ::= IDENTIFIER(DOT IDENTIFIER)?FunctionParameterStatement
+CallFunctionStatement ::= (ArrayLiteralStatement|IDENTIFIER)(DOT IDENTIFIER)?FunctionParameterStatement
 
 FunctionParameterStatement ::= LP ParameterStatement? RP
 
@@ -89,6 +89,9 @@ Expression ::= BooleanStatement
         | ObjectStatement
         | LiteralStatement
         | NullStatement
+        | ArrayLiteralStatement
+
+ArrayLiteralStatement ::= LB (ParameterStatement|ArrayLiteralStatement) RB
 
 LiteralStatement ::= (number|string)