Package org.eclipse.xtext.xbase.serializer

Class AbstractXbaseSyntacticSequencer

  • All Implemented Interfaces:
    org.eclipse.xtext.serializer.acceptor.ISemanticSequenceAcceptor, org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer
    Direct Known Subclasses:
    XbaseSyntacticSequencer
    public abstract class AbstractXbaseSyntacticSequencer
extends org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer

    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer

        org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer.SyntacticalContext

      • Nested classes/interfaces inherited from interface org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer

        org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer.ISyntacticSequencerOwner

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void emit_XBlockExpression_SemicolonKeyword_2_1_q​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: ';'? This ambiguous syntax occurs at: expressions+=XExpressionOrVarDeclaration (ambiguity) '}' ')' (rule end) expressions+=XExpressionOrVarDeclaration (ambiguity) '}' (rule end) expressions+=XExpressionOrVarDeclaration (ambiguity) expressions+=XExpressionOrVarDeclaration
      protected void emit_XExpressionInClosure_SemicolonKeyword_1_1_q​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: ';'? This ambiguous syntax occurs at: expressions+=XExpressionOrVarDeclaration (ambiguity) (rule end) expressions+=XExpressionOrVarDeclaration (ambiguity) expressions+=XExpressionOrVarDeclaration
      protected void emit_XFunctionTypeRef___LeftParenthesisKeyword_0_0_RightParenthesisKeyword_0_2__q​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: ('(' ')')? This ambiguous syntax occurs at: (rule start) (ambiguity) '=>' returnType=JvmTypeReference
      protected void emit_XImportDeclaration_SemicolonKeyword_2_q​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: ';'? This ambiguous syntax occurs at: importedNamespace=QualifiedNameWithWildcard (ambiguity) (rule end) importedType=[JvmDeclaredType|QualifiedName] (ambiguity) (rule end) memberName=ValidID (ambiguity) (rule end) wildcard?='*' (ambiguity) (rule end)
      protected void emit_XParenthesizedExpression_LeftParenthesisKeyword_0_a​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: '('* This ambiguous syntax occurs at: (rule start) (ambiguity) '#' '[' ']' (rule start) (rule start) (ambiguity) '#' '[' elements+=XExpression (rule start) (ambiguity) '#' '{' '}' (rule start) (rule start) (ambiguity) '#' '{' elements+=XExpression (rule start) (ambiguity) '<' typeArguments+=JvmArgumentTypeReference (rule start) (ambiguity) '[' declaredFormalParameters+=JvmFormalParameter (rule start) (ambiguity) '[' explicitSyntax?='|' (rule start) (ambiguity) '[' expression=XExpressionInClosure (rule start) (ambiguity) 'do' body=XExpression (rule start) (ambiguity) 'false' (rule start) (rule start) (ambiguity) 'for' '(' ';' ';' ')' eachExpression=XExpression (rule start) (ambiguity) 'for' '(' ';' ';' updateExpressions+=XExpression (rule start) (ambiguity) 'for' '(' ';' expression=XExpression (rule start) (ambiguity) 'for' '(' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'for' '(' initExpressions+=XExpressionOrVarDeclaration (rule start) (ambiguity) 'if' '(' if=XExpression (rule start) (ambiguity) 'new' constructor=[JvmConstructor|QualifiedName] (rule start) (ambiguity) 'null' (rule start) (rule start) (ambiguity) 'return' (rule start) (rule start) (ambiguity) 'return' expression=XExpression (rule start) (ambiguity) 'switch' '(' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'switch' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'switch' switch=XExpression (rule start) (ambiguity) 'synchronized' '(' param=XExpression (rule start) (ambiguity) 'throw' expression=XExpression (rule start) (ambiguity) 'try' expression=XExpression (rule start) (ambiguity) 'typeof' '(' type=[JvmType|QualifiedName] (rule start) (ambiguity) 'while' '(' predicate=XExpression (rule start) (ambiguity) '{' '}' (rule start) (rule start) (ambiguity) '{' expressions+=XExpressionOrVarDeclaration (rule start) (ambiguity) feature=[JvmIdentifiableElement|FeatureCallID] (rule start) (ambiguity) feature=[JvmIdentifiableElement|IdOrSuper] (rule start) (ambiguity) feature=[JvmIdentifiableElement|OpUnary] (rule start) (ambiguity) isTrue?='true' (rule start) (ambiguity) value=Number (rule start) (ambiguity) value=STRING (rule start) (ambiguity) {XAssignment.assignable=} (rule start) (ambiguity) {XBinaryOperation.leftOperand=} (rule start) (ambiguity) {XCastedExpression.target=} (rule start) (ambiguity) {XInstanceOfExpression.expression=} (rule start) (ambiguity) {XMemberFeatureCall.memberCallTarget=} (rule start) (ambiguity) {XPostfixOperation.operand=}
      protected void emit_XParenthesizedExpression_LeftParenthesisKeyword_0_p​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition, java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
      Ambiguous syntax: '('+ This ambiguous syntax occurs at: (rule start) (ambiguity) '#' '[' ']' ')' (rule start) (rule start) (ambiguity) '#' '[' elements+=XExpression (rule start) (ambiguity) '#' '{' '}' ')' (rule start) (rule start) (ambiguity) '#' '{' elements+=XExpression (rule start) (ambiguity) '<' typeArguments+=JvmArgumentTypeReference (rule start) (ambiguity) '[' declaredFormalParameters+=JvmFormalParameter (rule start) (ambiguity) '[' explicitSyntax?='|' (rule start) (ambiguity) '[' expression=XExpressionInClosure (rule start) (ambiguity) 'do' body=XExpression (rule start) (ambiguity) 'false' ')' (rule start) (rule start) (ambiguity) 'for' '(' ';' ';' ')' eachExpression=XExpression (rule start) (ambiguity) 'for' '(' ';' ';' updateExpressions+=XExpression (rule start) (ambiguity) 'for' '(' ';' expression=XExpression (rule start) (ambiguity) 'for' '(' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'for' '(' initExpressions+=XExpressionOrVarDeclaration (rule start) (ambiguity) 'if' '(' if=XExpression (rule start) (ambiguity) 'new' constructor=[JvmConstructor|QualifiedName] (rule start) (ambiguity) 'null' ')' (rule start) (rule start) (ambiguity) 'return' ')' (rule start) (rule start) (ambiguity) 'return' expression=XExpression (rule start) (ambiguity) 'switch' '(' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'switch' declaredParam=JvmFormalParameter (rule start) (ambiguity) 'switch' switch=XExpression (rule start) (ambiguity) 'synchronized' '(' param=XExpression (rule start) (ambiguity) 'throw' expression=XExpression (rule start) (ambiguity) 'try' expression=XExpression (rule start) (ambiguity) 'typeof' '(' type=[JvmType|QualifiedName] (rule start) (ambiguity) 'while' '(' predicate=XExpression (rule start) (ambiguity) '{' '}' ')' (rule start) (rule start) (ambiguity) '{' expressions+=XExpressionOrVarDeclaration (rule start) (ambiguity) feature=[JvmIdentifiableElement|FeatureCallID] (rule start) (ambiguity) feature=[JvmIdentifiableElement|IdOrSuper] (rule start) (ambiguity) feature=[JvmIdentifiableElement|OpUnary] (rule start) (ambiguity) isTrue?='true' (rule start) (ambiguity) value=Number (rule start) (ambiguity) value=STRING (rule start) (ambiguity) {XAssignment.assignable=} (rule start) (ambiguity) {XBinaryOperation.leftOperand=} (rule start) (ambiguity) {XCastedExpression.target=} (rule start) (ambiguity) {XInstanceOfExpression.expression=} (rule start) (ambiguity) {XMemberFeatureCall.memberCallTarget=} (rule start) (ambiguity) {XPostfixOperation.operand=}
      protected void emitUnassignedTokens​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition transition, org.eclipse.xtext.nodemodel.INode fromNode, org.eclipse.xtext.nodemodel.INode toNode)  
      protected java.lang.String getArrayBracketsToken​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.RuleCall ruleCall, org.eclipse.xtext.nodemodel.INode node)
      ArrayBrackets : '[' ']' ;
      protected java.lang.String getOpSingleAssignToken​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.RuleCall ruleCall, org.eclipse.xtext.nodemodel.INode node)
      OpSingleAssign: '=' ;
      protected java.lang.String getUnassignedRuleCallToken​(org.eclipse.emf.ecore.EObject semanticObject, org.eclipse.xtext.RuleCall ruleCall, org.eclipse.xtext.nodemodel.INode node)  
      protected void init​(org.eclipse.xtext.IGrammarAccess access)  

      • Methods inherited from class org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer

        accept, accept, acceptAssignedCrossRefDatatype, acceptAssignedCrossRefEnum, acceptAssignedCrossRefKeyword, acceptAssignedCrossRefTerminal, acceptAssignedDatatype, acceptAssignedEnum, acceptAssignedKeyword, acceptAssignedTerminal, acceptNode, acceptNodes, acceptNodes, acceptUnassignedAction, acceptUnassignedDatatype, acceptUnassignedEnum, acceptUnassignedKeyword, acceptUnassignedTerminal, collectAbstractElements, collectNodes, enterAssignedAction, enterAssignedParserRuleCall, findTransition, finish, getLastLeaf, getLastNavigableState, getNodesFor, getTokenText, getUnassignedRuleCallToken, init, init, leaveAssignedAction, leaveAssignedParserRuleCall, navigateToAbsorber, navigateToAbsorber, navigateToEmitter, navigateToEmitter

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • match_XBlockExpression_SemicolonKeyword_2_1_q

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XBlockExpression_SemicolonKeyword_2_1_q

      • match_XExpressionInClosure_SemicolonKeyword_1_1_q

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XExpressionInClosure_SemicolonKeyword_1_1_q

      • match_XFunctionTypeRef___LeftParenthesisKeyword_0_0_RightParenthesisKeyword_0_2__q

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XFunctionTypeRef___LeftParenthesisKeyword_0_0_RightParenthesisKeyword_0_2__q

      • match_XImportDeclaration_SemicolonKeyword_2_q

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XImportDeclaration_SemicolonKeyword_2_q

      • match_XParenthesizedExpression_LeftParenthesisKeyword_0_a

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XParenthesizedExpression_LeftParenthesisKeyword_0_a

      • match_XParenthesizedExpression_LeftParenthesisKeyword_0_p

        protected org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias match_XParenthesizedExpression_LeftParenthesisKeyword_0_p

    • Constructor Detail

      • AbstractXbaseSyntacticSequencer

        public AbstractXbaseSyntacticSequencer()

    • Method Detail

      • init

        @Inject
protected void init​(org.eclipse.xtext.IGrammarAccess access)

      • getUnassignedRuleCallToken

        protected java.lang.String getUnassignedRuleCallToken​(org.eclipse.emf.ecore.EObject semanticObject,
                                                      org.eclipse.xtext.RuleCall ruleCall,
                                                      org.eclipse.xtext.nodemodel.INode node)
        Overrides:
        getUnassignedRuleCallToken in class org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer

      • getArrayBracketsToken

        protected java.lang.String getArrayBracketsToken​(org.eclipse.emf.ecore.EObject semanticObject,
                                                 org.eclipse.xtext.RuleCall ruleCall,
                                                 org.eclipse.xtext.nodemodel.INode node)
        ArrayBrackets : '[' ']' ;

      • getOpSingleAssignToken

        protected java.lang.String getOpSingleAssignToken​(org.eclipse.emf.ecore.EObject semanticObject,
                                                  org.eclipse.xtext.RuleCall ruleCall,
                                                  org.eclipse.xtext.nodemodel.INode node)
        OpSingleAssign: '=' ;

      • emitUnassignedTokens

        protected void emitUnassignedTokens​(org.eclipse.emf.ecore.EObject semanticObject,
                                    org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition transition,
                                    org.eclipse.xtext.nodemodel.INode fromNode,
                                    org.eclipse.xtext.nodemodel.INode toNode)
        Specified by:
        emitUnassignedTokens in class org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer

      • emit_XBlockExpression_SemicolonKeyword_2_1_q

        protected void emit_XBlockExpression_SemicolonKeyword_2_1_q​(org.eclipse.emf.ecore.EObject semanticObject,
                                                            org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                            java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     ';'?

 This ambiguous syntax occurs at:
     expressions+=XExpressionOrVarDeclaration (ambiguity) '}' ')' (rule end)
     expressions+=XExpressionOrVarDeclaration (ambiguity) '}' (rule end)
     expressions+=XExpressionOrVarDeclaration (ambiguity) expressions+=XExpressionOrVarDeclaration

      • emit_XExpressionInClosure_SemicolonKeyword_1_1_q

        protected void emit_XExpressionInClosure_SemicolonKeyword_1_1_q​(org.eclipse.emf.ecore.EObject semanticObject,
                                                                org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                                java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     ';'?

 This ambiguous syntax occurs at:
     expressions+=XExpressionOrVarDeclaration (ambiguity) (rule end)
     expressions+=XExpressionOrVarDeclaration (ambiguity) expressions+=XExpressionOrVarDeclaration

      • emit_XFunctionTypeRef___LeftParenthesisKeyword_0_0_RightParenthesisKeyword_0_2__q

        protected void emit_XFunctionTypeRef___LeftParenthesisKeyword_0_0_RightParenthesisKeyword_0_2__q​(org.eclipse.emf.ecore.EObject semanticObject,
                                                                                                 org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                                                                 java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     ('(' ')')?

 This ambiguous syntax occurs at:
     (rule start) (ambiguity) '=>' returnType=JvmTypeReference

      • emit_XImportDeclaration_SemicolonKeyword_2_q

        protected void emit_XImportDeclaration_SemicolonKeyword_2_q​(org.eclipse.emf.ecore.EObject semanticObject,
                                                            org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                            java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     ';'?

 This ambiguous syntax occurs at:
     importedNamespace=QualifiedNameWithWildcard (ambiguity) (rule end)
     importedType=[JvmDeclaredType|QualifiedName] (ambiguity) (rule end)
     memberName=ValidID (ambiguity) (rule end)
     wildcard?='*' (ambiguity) (rule end)

      • emit_XParenthesizedExpression_LeftParenthesisKeyword_0_a

        protected void emit_XParenthesizedExpression_LeftParenthesisKeyword_0_a​(org.eclipse.emf.ecore.EObject semanticObject,
                                                                        org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                                        java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     '('*

 This ambiguous syntax occurs at:
     (rule start) (ambiguity) '#' '[' ']' (rule start)
     (rule start) (ambiguity) '#' '[' elements+=XExpression
     (rule start) (ambiguity) '#' '{' '}' (rule start)
     (rule start) (ambiguity) '#' '{' elements+=XExpression
     (rule start) (ambiguity) '<' typeArguments+=JvmArgumentTypeReference
     (rule start) (ambiguity) '[' declaredFormalParameters+=JvmFormalParameter
     (rule start) (ambiguity) '[' explicitSyntax?='|'
     (rule start) (ambiguity) '[' expression=XExpressionInClosure
     (rule start) (ambiguity) 'do' body=XExpression
     (rule start) (ambiguity) 'false' (rule start)
     (rule start) (ambiguity) 'for' '(' ';' ';' ')' eachExpression=XExpression
     (rule start) (ambiguity) 'for' '(' ';' ';' updateExpressions+=XExpression
     (rule start) (ambiguity) 'for' '(' ';' expression=XExpression
     (rule start) (ambiguity) 'for' '(' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'for' '(' initExpressions+=XExpressionOrVarDeclaration
     (rule start) (ambiguity) 'if' '(' if=XExpression
     (rule start) (ambiguity) 'new' constructor=[JvmConstructor|QualifiedName]
     (rule start) (ambiguity) 'null' (rule start)
     (rule start) (ambiguity) 'return' (rule start)
     (rule start) (ambiguity) 'return' expression=XExpression
     (rule start) (ambiguity) 'switch' '(' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'switch' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'switch' switch=XExpression
     (rule start) (ambiguity) 'synchronized' '(' param=XExpression
     (rule start) (ambiguity) 'throw' expression=XExpression
     (rule start) (ambiguity) 'try' expression=XExpression
     (rule start) (ambiguity) 'typeof' '(' type=[JvmType|QualifiedName]
     (rule start) (ambiguity) 'while' '(' predicate=XExpression
     (rule start) (ambiguity) '{' '}' (rule start)
     (rule start) (ambiguity) '{' expressions+=XExpressionOrVarDeclaration
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|FeatureCallID]
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|IdOrSuper]
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|OpUnary]
     (rule start) (ambiguity) isTrue?='true'
     (rule start) (ambiguity) value=Number
     (rule start) (ambiguity) value=STRING
     (rule start) (ambiguity) {XAssignment.assignable=}
     (rule start) (ambiguity) {XBinaryOperation.leftOperand=}
     (rule start) (ambiguity) {XCastedExpression.target=}
     (rule start) (ambiguity) {XInstanceOfExpression.expression=}
     (rule start) (ambiguity) {XMemberFeatureCall.memberCallTarget=}
     (rule start) (ambiguity) {XPostfixOperation.operand=}

      • emit_XParenthesizedExpression_LeftParenthesisKeyword_0_p

        protected void emit_XParenthesizedExpression_LeftParenthesisKeyword_0_p​(org.eclipse.emf.ecore.EObject semanticObject,
                                                                        org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable transition,
                                                                        java.util.List<org.eclipse.xtext.nodemodel.INode> nodes)
         Ambiguous syntax:
     '('+

 This ambiguous syntax occurs at:
     (rule start) (ambiguity) '#' '[' ']' ')' (rule start)
     (rule start) (ambiguity) '#' '[' elements+=XExpression
     (rule start) (ambiguity) '#' '{' '}' ')' (rule start)
     (rule start) (ambiguity) '#' '{' elements+=XExpression
     (rule start) (ambiguity) '<' typeArguments+=JvmArgumentTypeReference
     (rule start) (ambiguity) '[' declaredFormalParameters+=JvmFormalParameter
     (rule start) (ambiguity) '[' explicitSyntax?='|'
     (rule start) (ambiguity) '[' expression=XExpressionInClosure
     (rule start) (ambiguity) 'do' body=XExpression
     (rule start) (ambiguity) 'false' ')' (rule start)
     (rule start) (ambiguity) 'for' '(' ';' ';' ')' eachExpression=XExpression
     (rule start) (ambiguity) 'for' '(' ';' ';' updateExpressions+=XExpression
     (rule start) (ambiguity) 'for' '(' ';' expression=XExpression
     (rule start) (ambiguity) 'for' '(' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'for' '(' initExpressions+=XExpressionOrVarDeclaration
     (rule start) (ambiguity) 'if' '(' if=XExpression
     (rule start) (ambiguity) 'new' constructor=[JvmConstructor|QualifiedName]
     (rule start) (ambiguity) 'null' ')' (rule start)
     (rule start) (ambiguity) 'return' ')' (rule start)
     (rule start) (ambiguity) 'return' expression=XExpression
     (rule start) (ambiguity) 'switch' '(' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'switch' declaredParam=JvmFormalParameter
     (rule start) (ambiguity) 'switch' switch=XExpression
     (rule start) (ambiguity) 'synchronized' '(' param=XExpression
     (rule start) (ambiguity) 'throw' expression=XExpression
     (rule start) (ambiguity) 'try' expression=XExpression
     (rule start) (ambiguity) 'typeof' '(' type=[JvmType|QualifiedName]
     (rule start) (ambiguity) 'while' '(' predicate=XExpression
     (rule start) (ambiguity) '{' '}' ')' (rule start)
     (rule start) (ambiguity) '{' expressions+=XExpressionOrVarDeclaration
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|FeatureCallID]
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|IdOrSuper]
     (rule start) (ambiguity) feature=[JvmIdentifiableElement|OpUnary]
     (rule start) (ambiguity) isTrue?='true'
     (rule start) (ambiguity) value=Number
     (rule start) (ambiguity) value=STRING
     (rule start) (ambiguity) {XAssignment.assignable=}
     (rule start) (ambiguity) {XBinaryOperation.leftOperand=}
     (rule start) (ambiguity) {XCastedExpression.target=}
     (rule start) (ambiguity) {XInstanceOfExpression.expression=}
     (rule start) (ambiguity) {XMemberFeatureCall.memberCallTarget=}
     (rule start) (ambiguity) {XPostfixOperation.operand=}