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Bug 516335 - Rewrite CA with ImportRewrite
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* Getter/Setter suggestions
* Improved method overrides
* Magic method stubs
* Alternate method calls (defaults)

Signed-off-by: Alex Xu <ibazzi@qq.com>
Also-by: Dawid Pakuła <zulus@w3des.net>
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@ibazzi @zulus
ibazzi authored and zulus committed May 19, 2020
1 parent c3072f7 commit a47630e
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Showing 166 changed files with 4,772 additions and 2,140 deletions.
99 changes: 56 additions & 43 deletions plugins/org.eclipse.php.core/src/org/eclipse/php/core/ast/nodes/Bindings.java
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Original file line number Diff line number Diff line change
Expand Up @@ -39,8 +39,9 @@ public static int hashCode(IBinding binding) {
}

/**
* Note: this method is for debugging and testing purposes only. There are tests
* whose pre-computed test results rely on the returned String's format.
* Note: this method is for debugging and testing purposes only. There are
* tests whose pre-computed test results rely on the returned String's
* format.
*
* @param binding
* the binding
Expand Down Expand Up @@ -107,8 +108,8 @@ public static ITypeBinding getTopLevelType(ITypeBinding type) {
* @param thrownException
* the type binding
*
* @return <code>true</code> if the passed type binding is a runtime exception;
* otherwise <code>false</code> is returned
* @return <code>true</code> if the passed type binding is a runtime
* exception; otherwise <code>false</code> is returned
*/
public static boolean isRuntimeException(ITypeBinding thrownException) {
if (thrownException == null || thrownException.isPrimitive() || thrownException.isArray()) {
Expand Down Expand Up @@ -145,10 +146,10 @@ public static IVariableBinding findFieldInType(ITypeBinding type, String fieldNa

/**
* Finds the field specified by <code>fieldName</code> in the type hierarchy
* denoted by the given type. Returns <code>null</code> if no such field exists.
* If the field is defined in more than one super type only the first match is
* returned. First the super class is examined and than the implemented
* interfaces.
* denoted by the given type. Returns <code>null</code> if no such field
* exists. If the field is defined in more than one super type only the
* first match is returned. First the super class is examined and than the
* implemented interfaces.
*
* @param type
* The type to search the field in
Expand Down Expand Up @@ -180,8 +181,8 @@ public static IVariableBinding findFieldInHierarchy(ITypeBinding type, String fi

/**
* Finds the method specified by <code>methodName<code> and </code>
* parameters</code> in the given <code>type</code>. Returns <code>null</code>
* if no such method exits.
* parameters</code> in the given <code>type</code>. Returns
* <code>null</code> if no such method exits.
*
* @param type
* The type to search the method in
Expand All @@ -194,9 +195,17 @@ public static IMethodBinding findMethodInType(ITypeBinding type, String methodNa
return null;
}
IMethodBinding[] methods = type.getDeclaredMethods();
for (int i = 0; i < methods.length; i++) {
if (methodName.equalsIgnoreCase(methods[i].getName())) {
return methods[i];
for (IMethodBinding method : methods) {
if (methodName.equalsIgnoreCase(method.getName())) {
return method;
}

}

methods = type.getImportedMethods();
for (IMethodBinding method : methods) {
if (methodName.equalsIgnoreCase(method.getName())) {
return method;
}

}
Expand All @@ -205,10 +214,10 @@ public static IMethodBinding findMethodInType(ITypeBinding type, String methodNa

/**
* Finds the method specified by <code>methodName</code> and </code>
* parameters</code> in the type hierarchy denoted by the given type. Returns
* <code>null</code> if no such method exists. If the method is defined in more
* than one super type only the first match is returned. First the super class
* is examined and than the implemented interfaces.
* parameters</code> in the type hierarchy denoted by the given type.
* Returns <code>null</code> if no such method exists. If the method is
* defined in more than one super type only the first match is returned.
* First the super class is examined and than the implemented interfaces.
*
* @param type
* The type to search the method in
Expand All @@ -221,6 +230,7 @@ public static IMethodBinding findMethodInHierarchy(ITypeBinding type, String met
if (method != null) {
return method;
}

ITypeBinding superClass = type.getSuperclass();
if (superClass != null) {
method = findMethodInHierarchy(superClass, methodName);
Expand All @@ -240,10 +250,10 @@ public static IMethodBinding findMethodInHierarchy(ITypeBinding type, String met

/**
* Finds the method specified by <code>methodName</code> and </code>
* parameters</code> in the type hierarchy denoted by the given type. Returns
* <code>null</code> if no such method exists. If the method is defined in more
* than one super type only the first match is returned. First the super class
* is examined and than the implemented interfaces.
* parameters</code> in the type hierarchy denoted by the given type.
* Returns <code>null</code> if no such method exists. If the method is
* defined in more than one super type only the first match is returned.
* First the super class is examined and than the implemented interfaces.
*
* @param type
* The type to search the method in
Expand Down Expand Up @@ -320,8 +330,8 @@ else if (PHPFlags.isAbstract(curr.getModifiers())) {
* The type to search the method in
* @param method
* The specified method that would override the result
* @return the method binding of the method that is overridden by the specified
* <code>method<code>, or <code>null</code>
* @return the method binding of the method that is overridden by the
* specified <code>method<code>, or <code>null</code>
*/
public static IMethodBinding findOverriddenMethodInType(ITypeBinding type, IMethodBinding method) {
IMethodBinding[] methods = type.getDeclaredMethods();
Expand All @@ -334,11 +344,11 @@ public static IMethodBinding findOverriddenMethodInType(ITypeBinding type, IMeth
}

/**
* Finds a method in the hierarchy of <code>type</code> that is overridden by
* </code>binding</code>. Returns <code>null</code> if no such method exists. If
* the method is defined in more than one super type only the first match is
* returned. First the super class is examined and than the implemented
* interfaces.
* Finds a method in the hierarchy of <code>type</code> that is overridden
* by </code>binding</code>. Returns <code>null</code> if no such method
* exists. If the method is defined in more than one super type only the
* first match is returned. First the super class is examined and than the
* implemented interfaces.
*
* @param type
* The type to search the method in
Expand Down Expand Up @@ -386,16 +396,17 @@ public static IMethodBinding innerFindOverriddenMethodInHierarchy(ITypeBinding t
* @param overriding
* overriding method
* @param testVisibility
* If true the result is tested on visibility. Null is returned if
* the method is not visible.
* If true the result is tested on visibility. Null is returned
* if the method is not visible.
* @return the method binding representing the method
*/
public static IMethodBinding findOverriddenMethod(IMethodBinding overriding, boolean testVisibility) {
int modifiers = overriding.getModifiers();
if (testVisibility
&& (PHPFlags.isPrivate(modifiers) /*
* || PHPFlags.isStatic(modifiers) || overriding.isConstructor()
*/)) {
if (testVisibility && (PHPFlags
.isPrivate(modifiers) /*
* || PHPFlags.isStatic(modifiers) ||
* overriding.isConstructor()
*/)) {
return null;
}

Expand All @@ -406,7 +417,8 @@ public static IMethodBinding findOverriddenMethod(IMethodBinding overriding, boo
if (type.getSuperclass() != null) {
IMethodBinding res = findOverriddenMethodInHierarchy(type.getSuperclass(), overriding);
if (res != null && !PHPFlags.isPrivate(res.getModifiers())) {
if (!testVisibility || isVisibleInHierarchy(res/* , overriding.getDeclaringClass().getPackage() */)) {
if (!testVisibility || isVisibleInHierarchy(
res/* , overriding.getDeclaringClass().getPackage() */)) {
return res;
}
}
Expand All @@ -422,7 +434,8 @@ public static IMethodBinding findOverriddenMethod(IMethodBinding overriding, boo
return null;
}

public static boolean isVisibleInHierarchy(IMethodBinding member/* , IPackageBinding pack */) {
public static boolean isVisibleInHierarchy(
IMethodBinding member/* , IPackageBinding pack */) {
int otherflags = member.getModifiers();
ITypeBinding declaringType = member.getDeclaringClass();
if (PHPFlags.isPublic(otherflags) || PHPFlags.isProtected(otherflags)
Expand Down Expand Up @@ -466,11 +479,11 @@ private static void collectSuperTypes(ITypeBinding curr, Set<ITypeBinding> colle
* overriding method (m1)
* @param overridden
* overridden method (m2)
* @return <code>true</code> iff the method <code>m1</code> is a subsignature of
* the method <code>m2</code>. This is one of the requirements for m1 to
* override m2. Accessibility and return types are not taken into
* account. Note that subsignature is <em>not</em> symmetric! TODO - PHP
* handling (shalom)
* @return <code>true</code> iff the method <code>m1</code> is a
* subsignature of the method <code>m2</code>. This is one of the
* requirements for m1 to override m2. Accessibility and return
* types are not taken into account. Note that subsignature is
* <em>not</em> symmetric! TODO - PHP handling (shalom)
*/
public static boolean isSubsignature(IMethodBinding overriding, IMethodBinding overridden) {
// TODO: use IMethodBinding#isSubsignature(..) once it is tested and
Expand All @@ -483,8 +496,8 @@ public static boolean isSubsignature(IMethodBinding overriding, IMethodBinding o
}

/**
* Finds a type binding for a given fully qualified type in the hierarchy of a
* type. Returns <code>null</code> if no type binding is found.
* Finds a type binding for a given fully qualified type in the hierarchy of
* a type. Returns <code>null</code> if no type binding is found.
*
* @param hierarchyType
* the binding representing the hierarchy
Expand Down
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