add explicit this to all member calls

javascript/ql/lib/semmle/javascript/frameworks/AngularJS/AngularJSCore.qll

@@ -106,14 +106,14 @@ class AngularModule extends TAngularModule {
    * Get the array of dependencies from this module's definition.
    */
   ArrayExpr getDependencyArray() {
-    getADefinition().getArgument(1).getALocalSource().asExpr() = result
+    this.getADefinition().getArgument(1).getALocalSource().asExpr() = result
   }
 
   /**
    * Gets another module that this module lists as a dependency.
    */
   AngularModule getADependency() {
-    getDependencyArray().getAnElement().mayHaveStringValue(result.getName())
+    this.getDependencyArray().getAnElement().mayHaveStringValue(result.getName())
   }
 
   /**
@@ -185,7 +185,7 @@ class ModuleApiCallDependencyInjection extends DependencyInjection {
   }
 
   override DataFlow::Node getAnInjectableFunction() {
-    result = call.getArgument(injectableArgPos())
+    result = call.getArgument(this.injectableArgPos())
   }
 }
 
@@ -231,15 +231,15 @@ class DirectiveInstance extends TDirectiveInstance {
   /**
    * Gets a DOM element matching this directive.
    */
-  DOM::ElementDefinition getAMatchingElement() { result = getATarget().getElement() }
+  DOM::ElementDefinition getAMatchingElement() { result = this.getATarget().getElement() }
 
   /** Gets a textual representation of this directive. */
-  string toString() { result = getName() }
+  string toString() { result = this.getName() }
 
   /**
    * Gets a scope object for this directive.
    */
-  AngularScope getAScope() { result.mayApplyTo(getAMatchingElement()) }
+  AngularScope getAScope() { result.mayApplyTo(this.getAMatchingElement()) }
 }
 
 /**
@@ -265,10 +265,10 @@ abstract class CustomDirective extends DirectiveInstance {
   abstract DataFlow::ValueNode getMemberInit(string name);
 
   /** Gets the member `name` of this directive. */
-  DataFlow::SourceNode getMember(string name) { result.flowsTo(getMemberInit(name)) }
+  DataFlow::SourceNode getMember(string name) { result.flowsTo(this.getMemberInit(name)) }
 
   /** Gets the method `name` of this directive. */
-  Function getMethod(string name) { DataFlow::valueNode(result) = getMember(name) }
+  Function getMethod(string name) { DataFlow::valueNode(result) = this.getMember(name) }
 
   /** Gets a link function of this directive. */
   abstract Function getALinkFunction();
@@ -283,39 +283,39 @@ abstract class CustomDirective extends DirectiveInstance {
   abstract DataFlow::SourceNode getAnInstantiation();
 
   /** Gets the controller function of this directive, if any. */
-  InjectableFunction getController() { result = getMember("controller") }
+  InjectableFunction getController() { result = this.getMember("controller") }
 
   /** Gets the template URL of this directive, if any. */
-  string getTemplateUrl() { getMember("templateUrl").asExpr().mayHaveStringValue(result) }
+  string getTemplateUrl() { this.getMember("templateUrl").asExpr().mayHaveStringValue(result) }
 
   /**
    * Gets a template file for this directive, if any.
    */
   HTML::HtmlFile getATemplateFile() {
-    result.getAbsolutePath().regexpMatch(".*/\\Q" + getTemplateUrl() + "\\E")
+    result.getAbsolutePath().regexpMatch(".*/\\Q" + this.getTemplateUrl() + "\\E")
   }
 
   /**
    * Gets a scope object for this directive.
    */
   override AngularScope getAScope() {
-    if hasIsolateScope()
+    if this.hasIsolateScope()
     then result = MkIsolateScope(this)
     else result = DirectiveInstance.super.getAScope()
   }
 
   private string getRestrictionString() {
-    getMember("restrict").asExpr().mayHaveStringValue(result)
+    this.getMember("restrict").asExpr().mayHaveStringValue(result)
   }
 
   private predicate hasTargetType(DirectiveTargetType type) {
-    not exists(getRestrictionString()) or
-    getRestrictionString().indexOf(type.toString()) != -1
+    not exists(this.getRestrictionString()) or
+    this.getRestrictionString().indexOf(type.toString()) != -1
   }
 
   override DirectiveTarget getATarget() {
     result = DirectiveInstance.super.getATarget() and
-    hasTargetType(result.getType())
+    this.hasTargetType(result.getType())
   }
 }
 
@@ -342,11 +342,11 @@ class GeneralDirective extends CustomDirective, MkCustomDirective {
   }
 
   override DataFlow::ValueNode getMemberInit(string name) {
-    getAnInstantiation().hasPropertyWrite(name, result)
+    this.getAnInstantiation().hasPropertyWrite(name, result)
   }
 
   /** Gets the compile function of this directive, if any. */
-  Function getCompileFunction() { result = getMethod("compile") }
+  Function getCompileFunction() { result = this.getMethod("compile") }
 
   /**
    * Gets a pre/post link function of this directive defined on its definition object.
@@ -360,15 +360,15 @@ class GeneralDirective extends CustomDirective, MkCustomDirective {
   private DataFlow::FunctionNode getLinkFunction(string kind) {
     // { link: function postLink() { ... } }
     kind = "post" and
-    result = getMember("link")
+    result = this.getMember("link")
     or
     // { link: { pre: function preLink() { ... }, post: function postLink() { ... } } }
     (kind = "pre" or kind = "post") and
-    result = getMember("link").getAPropertySource(kind)
+    result = this.getMember("link").getAPropertySource(kind)
     or
     // { compile: function() { ... return link; } }
     exists(Expr compileReturn, DataFlow::SourceNode compileReturnSrc |
-      compileReturn = getCompileFunction().getAReturnedExpr() and
+      compileReturn = this.getCompileFunction().getAReturnedExpr() and
       compileReturnSrc.flowsToExpr(compileReturn)
     |
       // link = function postLink() { ... }
@@ -382,18 +382,18 @@ class GeneralDirective extends CustomDirective, MkCustomDirective {
   }
 
   /** Gets the pre-link function of this directive. */
-  Function getPreLinkFunction() { result = getLinkFunction("pre").getAstNode() }
+  Function getPreLinkFunction() { result = this.getLinkFunction("pre").getAstNode() }
 
   /** Gets the post-link function of this directive. */
-  Function getPostLinkFunction() { result = getLinkFunction("post").getAstNode() }
+  Function getPostLinkFunction() { result = this.getLinkFunction("post").getAstNode() }
 
-  override Function getALinkFunction() { result = getLinkFunction(_).getAstNode() }
+  override Function getALinkFunction() { result = this.getLinkFunction(_).getAstNode() }
 
   override predicate bindsToController() {
-    getMemberInit("bindToController").asExpr().mayHaveBooleanValue(true)
+    this.getMemberInit("bindToController").asExpr().mayHaveBooleanValue(true)
   }
 
-  override predicate hasIsolateScope() { getMember("scope").asExpr() instanceof ObjectExpr }
+  override predicate hasIsolateScope() { this.getMember("scope").asExpr() instanceof ObjectExpr }
 }
 
 /**
@@ -527,7 +527,9 @@ class DirectiveTargetName extends string {
    * Holds if the first component of this name is `x` or `data`,
    * and hence should be stripped when normalizing.
    */
-  predicate stripFirstComponent() { getRawComponent(0) = "x" or getRawComponent(0) = "data" }
+  predicate stripFirstComponent() {
+    this.getRawComponent(0) = "x" or this.getRawComponent(0) = "data"
+  }
 
   /**
    * Gets the `i`th component of this name after processing:
@@ -537,9 +539,9 @@ class DirectiveTargetName extends string {
   string getProcessedComponent(int i) {
     exists(int j, string raw |
       i >= 0 and
-      if stripFirstComponent() then j = i + 1 else j = i
+      if this.stripFirstComponent() then j = i + 1 else j = i
     |
-      raw = getRawComponent(j) and
+      raw = this.getRawComponent(j) and
       if i = 0 then result = raw else result = capitalize(raw)
     )
   }
@@ -548,7 +550,7 @@ class DirectiveTargetName extends string {
    * Gets the camelCase version of this name.
    */
   string normalize() {
-    result = concat(string c, int i | c = getProcessedComponent(i) | c, "" order by i)
+    result = concat(string c, int i | c = this.getProcessedComponent(i) | c, "" order by i)
   }
 }
 
@@ -760,27 +762,27 @@ class LinkFunction extends Function {
   /**
    * Gets the scope parameter of this function.
    */
-  Parameter getScopeParameter() { result = getParameter(0) }
+  Parameter getScopeParameter() { result = this.getParameter(0) }
 
   /**
    * Gets the element parameter of this function (contains a jqLite-wrapped DOM element).
    */
-  Parameter getElementParameter() { result = getParameter(1) }
+  Parameter getElementParameter() { result = this.getParameter(1) }
 
   /**
    * Gets the attributes parameter of this function.
    */
-  Parameter getAttributesParameter() { result = getParameter(2) }
+  Parameter getAttributesParameter() { result = this.getParameter(2) }
 
   /**
    * Gets the controller parameter of this function.
    */
-  Parameter getControllerParameter() { result = getParameter(3) }
+  Parameter getControllerParameter() { result = this.getParameter(3) }
 
   /**
    * Gets the transclude-function parameter of this function.
    */
-  Parameter getTranscludeFnParameter() { result = getParameter(4) }
+  Parameter getTranscludeFnParameter() { result = this.getParameter(4) }
 }
 
 /**
@@ -912,7 +914,7 @@ class RouteSetup extends DataFlow::CallNode, DependencyInjection {
    * Gets the value of property `name` of the params-object provided to this call.
    */
   DataFlow::SourceNode getRouteParam(string name) {
-    result.flowsTo(getOptionArgument(optionsArgumentIndex, name))
+    result.flowsTo(this.getOptionArgument(optionsArgumentIndex, name))
   }
 
   /**
@@ -921,7 +923,7 @@ class RouteSetup extends DataFlow::CallNode, DependencyInjection {
   InjectableFunction getController() {
     exists(DataFlow::SourceNode controllerProperty |
       // Note that `.getController` cannot be used here, since that involves a cast to InjectableFunction, and that cast only succeeds because of this method
-      controllerProperty = getRouteParam("controller")
+      controllerProperty = this.getRouteParam("controller")
     |
       result = controllerProperty
       or
@@ -933,7 +935,7 @@ class RouteSetup extends DataFlow::CallNode, DependencyInjection {
     )
   }
 
-  override DataFlow::Node getAnInjectableFunction() { result = getRouteParam("controller") }
+  override DataFlow::Node getAnInjectableFunction() { result = this.getRouteParam("controller") }
 }
 
 /**
@@ -974,7 +976,7 @@ private class DirectiveController extends Controller {
   }
 
   override predicate boundTo(DOM::ElementDefinition elem) {
-    boundAnonymously(elem) or boundToAs(elem, _)
+    this.boundAnonymously(elem) or this.boundToAs(elem, _)
   }
 
   override predicate boundToAs(DOM::ElementDefinition elem, string alias) {
@@ -1014,7 +1016,7 @@ private class RouteInstantiatedController extends Controller {
   }
 
   override predicate boundToAs(DOM::ElementDefinition elem, string name) {
-    boundTo(elem) and
+    this.boundTo(elem) and
     setup.getRouteParam("controllerAs").asExpr().mayHaveStringValue(name)
   }
 }
@@ -1049,18 +1051,18 @@ private class BindCall extends DataFlow::PartialInvokeNode::Range, DataFlow::Cal
 
   override predicate isPartialArgument(DataFlow::Node callback, DataFlow::Node argument, int index) {
     index >= 0 and
-    callback = getArgument(1) and
-    argument = getArgument(index + 2)
+    callback = this.getArgument(1) and
+    argument = this.getArgument(index + 2)
   }
 
   override DataFlow::SourceNode getBoundFunction(DataFlow::Node callback, int boundArgs) {
-    callback = getArgument(1) and
-    boundArgs = getNumArgument() - 2 and
+    callback = this.getArgument(1) and
+    boundArgs = this.getNumArgument() - 2 and
     result = this
   }
 
   override DataFlow::Node getBoundReceiver(DataFlow::Node callback) {
-    callback = getArgument(1) and
-    result = getArgument(0)
+    callback = this.getArgument(1) and
+    result = this.getArgument(0)
   }
 }

javascript/ql/lib/semmle/javascript/frameworks/AngularJS/AngularJSExpressions.qll

@@ -52,7 +52,7 @@ class NgSource extends MkNgSource {
   NgSourceProvider getProvider() { result = provider }
 
   /** Gets a textual representation of this element. */
-  string toString() { result = getText() }
+  string toString() { result = this.getText() }
 }
 
 /**
@@ -68,17 +68,17 @@ private class HtmlTextNodeAsNgSourceProvider extends NgSourceProvider, HTML::Tex
   int offset;
 
   HtmlTextNodeAsNgSourceProvider() {
-    source = getText().regexpFind(getInterpolatedExpressionPattern(), _, offset)
+    source = this.getText().regexpFind(getInterpolatedExpressionPattern(), _, offset)
   }
 
   override predicate providesSourceAt(
     string src, string path, int startLine, int startColumn, int endLine, int endColumn
   ) {
     src = source and
-    getLocation().hasLocationInfo(path, startLine, startColumn, endLine, endColumn) // this is the entire surrounding text element, we could be more precise by counting lines
+    this.getLocation().hasLocationInfo(path, startLine, startColumn, endLine, endColumn) // this is the entire surrounding text element, we could be more precise by counting lines
   }
 
-  override DOM::ElementDefinition getEnclosingElement() { result = getParent() }
+  override DOM::ElementDefinition getEnclosingElement() { result = this.getParent() }
 }
 
 /**
@@ -88,8 +88,8 @@ abstract private class HtmlAttributeAsNgSourceProvider extends NgSourceProvider,
   override predicate providesSourceAt(
     string src, string path, int startLine, int startColumn, int endLine, int endColumn
   ) {
-    src = getSource() and
-    getLocation().hasLocationInfo(path, startLine, startColumn - getOffset(), endLine, _) and
+    src = this.getSource() and
+    this.getLocation().hasLocationInfo(path, startLine, startColumn - this.getOffset(), endLine, _) and
     endColumn = startColumn + src.length() - 1
   }
 
@@ -99,7 +99,7 @@ abstract private class HtmlAttributeAsNgSourceProvider extends NgSourceProvider,
   /** The offset into the attribute where the expression starts. */
   abstract int getOffset();
 
-  override DOM::ElementDefinition getEnclosingElement() { result = getElement() }
+  override DOM::ElementDefinition getEnclosingElement() { result = this.getElement() }
 }
 
 /**
@@ -110,7 +110,7 @@ private class HtmlAttributeAsInterpolatedNgSourceProvider extends HtmlAttributeA
   int offset;
 
   HtmlAttributeAsInterpolatedNgSourceProvider() {
-    source = getValue().regexpFind(getInterpolatedExpressionPattern(), _, offset) and
+    source = this.getValue().regexpFind(getInterpolatedExpressionPattern(), _, offset) and
     not this instanceof HtmlAttributeAsPlainNgSourceProvider
   }
 
@@ -137,7 +137,7 @@ private class HtmlAttributeAsPlainNgSourceProvider extends HtmlAttributeAsNgSour
     )
   }
 
-  override string getSource() { result = getValue() }
+  override string getSource() { result = this.getValue() }
 
   override int getOffset() { result = 0 }
 }
@@ -162,7 +162,7 @@ private class TemplateFieldNgSourceProvider extends NgSourceProvider {
     string src, string path, int startLine, int startColumn, int endLine, int endColumn
   ) {
     src = source and
-    getLocation().hasLocationInfo(path, startLine, startColumn - offset, endLine, _) and
+    this.getLocation().hasLocationInfo(path, startLine, startColumn - offset, endLine, _) and
     endColumn = startColumn + src.length() - 1
   }
 
@@ -180,7 +180,7 @@ abstract class NgToken extends TNgToken {
   /** Gets a textual representation of this element. */
   string toString() {
     exists(string content |
-      is(content) and
+      this.is(content) and
       result = "(" + this.ppKind() + ": " + content + ")"
     )
   }
@@ -370,7 +370,7 @@ abstract class NgAstNode extends TNode {
   string ppChildren() {
     result =
       concat(NgAstNode child, int idx |
-        child = getChild(idx) and
+        child = this.getChild(idx) and
         not child instanceof Empty
       |
         child.pp(), " " order by idx
@@ -378,7 +378,7 @@ abstract class NgAstNode extends TNode {
   }
 
   /** Gets a textual representation of this element. */
-  string toString() { result = pp() }
+  string toString() { result = this.pp() }
 
   /**
    * Pretty-prints this node.
@@ -394,8 +394,8 @@ class NgAst extends TNgAst, NgAstNode {
 
   override string pp() {
     exists(string oneTime |
-      (if isOneTime() then oneTime = " <oneTime>" else oneTime = "") and
-      result = "(NgAst:" + oneTime + " " + ppChildren() + ")"
+      (if this.isOneTime() then oneTime = " <oneTime>" else oneTime = "") and
+      result = "(NgAst:" + oneTime + " " + this.ppChildren() + ")"
     )
   }
 
@@ -413,7 +413,7 @@ class NgAst extends TNgAst, NgAstNode {
 class NgExprStmt extends TNgExprStmt, NgAstNode {
   override predicate at(NgToken start, NgToken end) { this = TNgExprStmt(start, end, _) }
 
-  override string pp() { result = "(NgExprStmt: " + ppChildren() + ")" }
+  override string pp() { result = "(NgExprStmt: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) { n = 0 and this = TNgExprStmt(_, _, result) }
 }
@@ -426,12 +426,12 @@ class NgExprStmt extends TNgExprStmt, NgAstNode {
 class NgFilterChain extends TNgFilterChain, NgAstNode {
   override predicate at(NgToken start, NgToken end) { this = TNgFilterChain(start, end, _, _) }
 
-  override string pp() { result = "(NgFilterChain: " + ppChildren() + ")" }
+  override string pp() { result = "(NgFilterChain: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) {
-    n = 0 and result = getExpr()
+    n = 0 and result = this.getExpr()
     or
-    n = 1 and result = getFilter()
+    n = 1 and result = this.getFilter()
   }
 
   /**
@@ -458,12 +458,12 @@ abstract class NgMaybeFilter extends NgAstNode { }
 class NgFilter extends TNgFilter, NgMaybeFilter {
   override predicate at(NgToken start, NgToken end) { this = TNgFilter(start, end, _, _) }
 
-  override string pp() { result = "(NgFilter: " + ppChildren() + ")" }
+  override string pp() { result = "(NgFilter: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) {
-    n = 0 and result = getHeadFilter()
+    n = 0 and result = this.getHeadFilter()
     or
-    n = 1 and result = getTailFilter()
+    n = 1 and result = this.getTailFilter()
   }
 
   /**
@@ -488,11 +488,11 @@ class NgSingleFilter extends TNgSingleFilter, NgAstNode {
   override string pp() {
     exists(string sep |
       (
-        if forall(NgAstNode child | child = getChild(_) | child instanceof Empty)
+        if forall(NgAstNode child | child = this.getChild(_) | child instanceof Empty)
         then sep = ""
         else sep = " "
       ) and
-      result = "(NgSingleFilter: " + getName() + sep + ppChildren() + ")"
+      result = "(NgSingleFilter: " + this.getName() + sep + this.ppChildren() + ")"
     )
   }
 
@@ -506,7 +506,7 @@ class NgSingleFilter extends TNgSingleFilter, NgAstNode {
   /**
    * Gets the `i`th argument expression of this filter call.
    */
-  NgExpr getArgument(int i) { result = getChild(0).(NgFilterArgument).getElement(i) }
+  NgExpr getArgument(int i) { result = this.getChild(0).(NgFilterArgument).getElement(i) }
 }
 
 /**
@@ -524,7 +524,7 @@ class NgVarExpr extends TNgVarExpr, NgExpr {
 
   override predicate at(NgToken start, NgToken end) { start = end and start = identifier }
 
-  override string pp() { result = "(NgVarExpr: " + getName() + ")" }
+  override string pp() { result = "(NgVarExpr: " + this.getName() + ")" }
 
   override NgAstNode getChild(int n) { none() }
 
@@ -540,9 +540,11 @@ class NgVarExpr extends TNgVarExpr, NgExpr {
 class NgDotExpr extends TNgDotExpr, NgExpr {
   override predicate at(NgToken start, NgToken end) { this = TNgDotExpr(start, end, _, _) }
 
-  override string pp() { result = "(NgDotExpr: " + getBase().pp() + "." + getName() + ")" }
+  override string pp() {
+    result = "(NgDotExpr: " + this.getBase().pp() + "." + this.getName() + ")"
+  }
 
-  override NgAstNode getChild(int n) { n = 0 and result = getBase() }
+  override NgAstNode getChild(int n) { n = 0 and result = this.getBase() }
 
   /**
    * Gets the node for the base expression of this expression.
@@ -561,7 +563,7 @@ class NgDotExpr extends TNgDotExpr, NgExpr {
 class NgCallExpr extends TNgCallExpr, NgExpr {
   override predicate at(NgToken start, NgToken end) { this = TNgCallExpr(start, end, _, _) }
 
-  override string pp() { result = "(NgCallExpr: " + ppChildren() + ")" }
+  override string pp() { result = "(NgCallExpr: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) {
     n = 0 and this = TNgCallExpr(_, _, result, _)
@@ -572,12 +574,12 @@ class NgCallExpr extends TNgCallExpr, NgExpr {
   /**
    * Gets the callee expression of this call.
    */
-  NgExpr getCallee() { result = getChild(0) }
+  NgExpr getCallee() { result = this.getChild(0) }
 
   /**
    * Gets the `i`th argument expression of this call.
    */
-  NgExpr getArgument(int i) { result = getChild(1).(NgConsCallArgument).getElement(i) }
+  NgExpr getArgument(int i) { result = this.getChild(1).(NgConsCallArgument).getElement(i) }
 }
 
 /**
@@ -590,7 +592,7 @@ class NgString extends TNgString, NgExpr {
 
   override predicate at(NgToken start, NgToken end) { start = end and start = stringToken }
 
-  override string pp() { result = getRawValue() }
+  override string pp() { result = this.getRawValue() }
 
   override NgAstNode getChild(int n) { none() }
 
@@ -602,7 +604,9 @@ class NgString extends TNgString, NgExpr {
   /**
    * Gets the string value of this expression, excluding surrounding quotes.
    */
-  string getStringValue() { result = getRawValue().substring(1, getRawValue().length() - 1) }
+  string getStringValue() {
+    result = this.getRawValue().substring(1, this.getRawValue().length() - 1)
+  }
 }
 
 /**
@@ -615,7 +619,7 @@ class NgNumber extends TNgNumber, NgExpr {
 
   override predicate at(NgToken start, NgToken end) { start = end and start = numberToken }
 
-  override string pp() { result = getValue() }
+  override string pp() { result = this.getValue() }
 
   override NgAstNode getChild(int n) { none() }
 
@@ -636,7 +640,7 @@ abstract class NgMaybeFilterArgument extends NgAstNode { }
 class NgFilterArgument extends TNgFilterArgument, NgMaybeFilterArgument {
   override predicate at(NgToken start, NgToken end) { this = TNgFilterArgument(start, end, _, _) }
 
-  override string pp() { result = "(NgFilterArgument: " + ppChildren() + ")" }
+  override string pp() { result = "(NgFilterArgument: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) {
     n = 0 and this = TNgFilterArgument(_, _, result, _)
@@ -649,8 +653,8 @@ class NgFilterArgument extends TNgFilterArgument, NgMaybeFilterArgument {
    */
   NgExpr getElement(int i) {
     if i = 0
-    then result = getChild(0)
-    else result = getChild(1).(NgFilterArgument).getElement(i - 1)
+    then result = this.getChild(0)
+    else result = this.getChild(1).(NgFilterArgument).getElement(i - 1)
   }
 }
 
@@ -665,7 +669,7 @@ abstract class NgCallArguments extends NgAstNode { }
 class NgConsCallArgument extends TNgConsCallArgument, NgCallArguments {
   override predicate at(NgToken start, NgToken end) { this = TNgConsCallArgument(start, end, _, _) }
 
-  override string pp() { result = "(NgConsCallArgument: " + ppChildren() + ")" }
+  override string pp() { result = "(NgConsCallArgument: " + this.ppChildren() + ")" }
 
   override NgAstNode getChild(int n) {
     n = 0 and this = TNgConsCallArgument(_, _, result, _)
@@ -678,8 +682,8 @@ class NgConsCallArgument extends TNgConsCallArgument, NgCallArguments {
    */
   NgExpr getElement(int i) {
     if i = 0
-    then result = getChild(0)
-    else result = getChild(1).(NgConsCallArgument).getElement(i - 1)
+    then result = this.getChild(0)
+    else result = this.getChild(1).(NgConsCallArgument).getElement(i - 1)
   }
 }