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google/error-prone
check_api/src/main/java/com/google/errorprone/fixes/SuggestedFix.java
SuggestedFix.replace
public static SuggestedFix replace(int startPos, int endPos, String replaceWith) { return builder().replace(startPos, endPos, replaceWith).build(); }
java
public static SuggestedFix replace(int startPos, int endPos, String replaceWith) { return builder().replace(startPos, endPos, replaceWith).build(); }
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Replace the characters from startPos, inclusive, until endPos, exclusive, with the given string. @param startPos The position from which to start replacing, inclusive @param endPos The position at which to end replacing, exclusive @param replaceWith The string to replace with
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/fixes/SuggestedFix.java#L109-L111
21,701
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NameInCommentHeuristic.java
NameInCommentHeuristic.isAcceptableChange
@Override public boolean isAcceptableChange( Changes changes, Tree node, MethodSymbol symbol, VisitorState state) { // Now check to see if there is a comment in the position of any actual parameter we want to // change which matches the formal parameter ImmutableList<Commented<ExpressionTree>> comments = findCommentsForArguments(node, state); return changes.changedPairs().stream() .noneMatch( p -> { MatchType match = NamedParameterComment.match(comments.get(p.formal().index()), p.formal().name()) .matchType(); return match == MatchType.EXACT_MATCH || match == MatchType.APPROXIMATE_MATCH; }); }
java
@Override public boolean isAcceptableChange( Changes changes, Tree node, MethodSymbol symbol, VisitorState state) { // Now check to see if there is a comment in the position of any actual parameter we want to // change which matches the formal parameter ImmutableList<Commented<ExpressionTree>> comments = findCommentsForArguments(node, state); return changes.changedPairs().stream() .noneMatch( p -> { MatchType match = NamedParameterComment.match(comments.get(p.formal().index()), p.formal().name()) .matchType(); return match == MatchType.EXACT_MATCH || match == MatchType.APPROXIMATE_MATCH; }); }
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Return true if there are no comments on the original actual parameter of a change which match the name of the formal parameter.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NameInCommentHeuristic.java#L42-L57
21,702
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/ModifyingCollectionWithItself.java
ModifyingCollectionWithItself.matchMethodInvocation
@Override public Description matchMethodInvocation(MethodInvocationTree t, VisitorState state) { if (IS_COLLECTION_MODIFIED_WITH_ITSELF.matches(t, state)) { return describe(t, state); } return Description.NO_MATCH; }
java
@Override public Description matchMethodInvocation(MethodInvocationTree t, VisitorState state) { if (IS_COLLECTION_MODIFIED_WITH_ITSELF.matches(t, state)) { return describe(t, state); } return Description.NO_MATCH; }
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Matches calls to addAll, containsAll, removeAll, and retainAll on itself
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/ModifyingCollectionWithItself.java#L78-L84
21,703
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.getArgumentTypesWithoutMessage
private List<Type> getArgumentTypesWithoutMessage( MethodInvocationTree methodInvocationTree, VisitorState state) { List<Type> argumentTypes = new ArrayList<>(); for (ExpressionTree argument : methodInvocationTree.getArguments()) { JCTree tree = (JCTree) argument; argumentTypes.add(tree.type); } removeMessageArgumentIfPresent(state, argumentTypes); return argumentTypes; }
java
private List<Type> getArgumentTypesWithoutMessage( MethodInvocationTree methodInvocationTree, VisitorState state) { List<Type> argumentTypes = new ArrayList<>(); for (ExpressionTree argument : methodInvocationTree.getArguments()) { JCTree tree = (JCTree) argument; argumentTypes.add(tree.type); } removeMessageArgumentIfPresent(state, argumentTypes); return argumentTypes; }
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Gets the argument types, excluding the message argument if present.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L76-L85
21,704
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.removeMessageArgumentIfPresent
private void removeMessageArgumentIfPresent(VisitorState state, List<Type> argumentTypes) { if (argumentTypes.size() == 2) { return; } Types types = state.getTypes(); Type firstType = argumentTypes.get(0); if (types.isSameType(firstType, state.getSymtab().stringType)) { argumentTypes.remove(0); } }
java
private void removeMessageArgumentIfPresent(VisitorState state, List<Type> argumentTypes) { if (argumentTypes.size() == 2) { return; } Types types = state.getTypes(); Type firstType = argumentTypes.get(0); if (types.isSameType(firstType, state.getSymtab().stringType)) { argumentTypes.remove(0); } }
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Removes the message argument if it is present.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L88-L97
21,705
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.canBeConvertedToJUnit4
private boolean canBeConvertedToJUnit4(VisitorState state, List<Type> argumentTypes) { // Delta argument is used. if (argumentTypes.size() > 2) { return true; } Type firstType = argumentTypes.get(0); Type secondType = argumentTypes.get(1); // Neither argument is floating-point. if (!isFloatingPoint(state, firstType) && !isFloatingPoint(state, secondType)) { return true; } // One argument is not numeric. if (!isNumeric(state, firstType) || !isNumeric(state, secondType)) { return true; } // Neither argument is primitive. if (!firstType.isPrimitive() && !secondType.isPrimitive()) { return true; } return false; }
java
private boolean canBeConvertedToJUnit4(VisitorState state, List<Type> argumentTypes) { // Delta argument is used. if (argumentTypes.size() > 2) { return true; } Type firstType = argumentTypes.get(0); Type secondType = argumentTypes.get(1); // Neither argument is floating-point. if (!isFloatingPoint(state, firstType) && !isFloatingPoint(state, secondType)) { return true; } // One argument is not numeric. if (!isNumeric(state, firstType) || !isNumeric(state, secondType)) { return true; } // Neither argument is primitive. if (!firstType.isPrimitive() && !secondType.isPrimitive()) { return true; } return false; }
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Determines if the invocation can be safely converted to JUnit 4 based on its argument types.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L102-L122
21,706
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.isFloatingPoint
private boolean isFloatingPoint(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return (trueType.getKind() == TypeKind.DOUBLE) || (trueType.getKind() == TypeKind.FLOAT); }
java
private boolean isFloatingPoint(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return (trueType.getKind() == TypeKind.DOUBLE) || (trueType.getKind() == TypeKind.FLOAT); }
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Determines if the type is a floating-point type, including reference types.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L125-L128
21,707
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.isNumeric
private boolean isNumeric(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return trueType.isNumeric(); }
java
private boolean isNumeric(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return trueType.isNumeric(); }
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Determines if the type is a numeric type, including reference types. <p>Type.isNumeric() does not handle reference types properly.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L135-L138
21,708
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.unboxedTypeOrType
private Type unboxedTypeOrType(VisitorState state, Type type) { Types types = state.getTypes(); return types.unboxedTypeOrType(type); }
java
private Type unboxedTypeOrType(VisitorState state, Type type) { Types types = state.getTypes(); return types.unboxedTypeOrType(type); }
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Gets the unboxed type, or the original type if it is not unboxable.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L141-L144
21,709
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.addDeltaArgument
private Fix addDeltaArgument( MethodInvocationTree methodInvocationTree, VisitorState state, List<Type> argumentTypes) { int insertionIndex = getDeltaInsertionIndex(methodInvocationTree, state); String deltaArgument = getDeltaArgument(state, argumentTypes); return SuggestedFix.replace(insertionIndex, insertionIndex, deltaArgument); }
java
private Fix addDeltaArgument( MethodInvocationTree methodInvocationTree, VisitorState state, List<Type> argumentTypes) { int insertionIndex = getDeltaInsertionIndex(methodInvocationTree, state); String deltaArgument = getDeltaArgument(state, argumentTypes); return SuggestedFix.replace(insertionIndex, insertionIndex, deltaArgument); }
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Creates the fix to add a delta argument.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L147-L152
21,710
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.getDeltaInsertionIndex
private int getDeltaInsertionIndex( MethodInvocationTree methodInvocationTree, VisitorState state) { JCTree lastArgument = (JCTree) Iterables.getLast(methodInvocationTree.getArguments()); return state.getEndPosition(lastArgument); }
java
private int getDeltaInsertionIndex( MethodInvocationTree methodInvocationTree, VisitorState state) { JCTree lastArgument = (JCTree) Iterables.getLast(methodInvocationTree.getArguments()); return state.getEndPosition(lastArgument); }
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Gets the index of where to insert the delta argument.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L155-L159
21,711
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.getDeltaArgument
private String getDeltaArgument(VisitorState state, List<Type> argumentTypes) { Type firstType = argumentTypes.get(0); Type secondType = argumentTypes.get(1); boolean doublePrecisionUsed = isDouble(state, firstType) || isDouble(state, secondType); return doublePrecisionUsed ? ", 0.0" : ", 0.0f"; }
java
private String getDeltaArgument(VisitorState state, List<Type> argumentTypes) { Type firstType = argumentTypes.get(0); Type secondType = argumentTypes.get(1); boolean doublePrecisionUsed = isDouble(state, firstType) || isDouble(state, secondType); return doublePrecisionUsed ? ", 0.0" : ", 0.0f"; }
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Gets the text for the delta argument to be added.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L162-L167
21,712
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java
JUnit3FloatingPointComparisonWithoutDelta.isDouble
private boolean isDouble(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return trueType.getKind() == TypeKind.DOUBLE; }
java
private boolean isDouble(VisitorState state, Type type) { Type trueType = unboxedTypeOrType(state, type); return trueType.getKind() == TypeKind.DOUBLE; }
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Determines if the type is a double, including reference types.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/JUnit3FloatingPointComparisonWithoutDelta.java#L170-L173
21,713
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/ThreeLetterTimeZoneID.java
ThreeLetterTimeZoneID.handleNonDaylightSavingsZone
static Replacement handleNonDaylightSavingsZone( boolean inJodaTimeContext, String daylightSavingsZone, String fixedOffset) { if (inJodaTimeContext) { String newDescription = SUMMARY + "\n\n" + observesDaylightSavingsMessage("DateTimeZone", daylightSavingsZone, fixedOffset); return new Replacement(newDescription, ImmutableList.of(daylightSavingsZone, fixedOffset)); } else { String newDescription = SUMMARY + "\n\n" + "This TimeZone will not observe daylight savings. " + "If this is intended, use " + fixedOffset + " instead; to observe daylight savings, use " + daylightSavingsZone + "."; return new Replacement(newDescription, ImmutableList.of(fixedOffset, daylightSavingsZone)); } }
java
static Replacement handleNonDaylightSavingsZone( boolean inJodaTimeContext, String daylightSavingsZone, String fixedOffset) { if (inJodaTimeContext) { String newDescription = SUMMARY + "\n\n" + observesDaylightSavingsMessage("DateTimeZone", daylightSavingsZone, fixedOffset); return new Replacement(newDescription, ImmutableList.of(daylightSavingsZone, fixedOffset)); } else { String newDescription = SUMMARY + "\n\n" + "This TimeZone will not observe daylight savings. " + "If this is intended, use " + fixedOffset + " instead; to observe daylight savings, use " + daylightSavingsZone + "."; return new Replacement(newDescription, ImmutableList.of(fixedOffset, daylightSavingsZone)); } }
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How we handle it depends upon whether we are in a JodaTime context or not.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/ThreeLetterTimeZoneID.java#L127-L147
21,714
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/ConstantOverflow.java
ConstantOverflow.longFix
private Fix longFix(ExpressionTree expr, VisitorState state) { BinaryTree binExpr = null; while (expr instanceof BinaryTree) { binExpr = (BinaryTree) expr; expr = binExpr.getLeftOperand(); } if (!(expr instanceof LiteralTree) || expr.getKind() != Kind.INT_LITERAL) { return null; } Type intType = state.getSymtab().intType; if (!isSameType(getType(binExpr), intType, state)) { return null; } SuggestedFix.Builder fix = SuggestedFix.builder().postfixWith(expr, "L"); Tree parent = state.getPath().getParentPath().getLeaf(); if (parent instanceof VariableTree && isSameType(getType(parent), intType, state)) { fix.replace(((VariableTree) parent).getType(), "long"); } return fix.build(); }
java
private Fix longFix(ExpressionTree expr, VisitorState state) { BinaryTree binExpr = null; while (expr instanceof BinaryTree) { binExpr = (BinaryTree) expr; expr = binExpr.getLeftOperand(); } if (!(expr instanceof LiteralTree) || expr.getKind() != Kind.INT_LITERAL) { return null; } Type intType = state.getSymtab().intType; if (!isSameType(getType(binExpr), intType, state)) { return null; } SuggestedFix.Builder fix = SuggestedFix.builder().postfixWith(expr, "L"); Tree parent = state.getPath().getParentPath().getLeaf(); if (parent instanceof VariableTree && isSameType(getType(parent), intType, state)) { fix.replace(((VariableTree) parent).getType(), "long"); } return fix.build(); }
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If the left operand of an int binary expression is an int literal, suggest making it a long.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/ConstantOverflow.java#L86-L105
21,715
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.anything
public static <T extends Tree> Matcher<T> anything() { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return true; } }; }
java
public static <T extends Tree> Matcher<T> anything() { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return true; } }; }
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A matcher that matches any AST node.
[ "A", "matcher", "that", "matches", "any", "AST", "node", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L98-L105
21,716
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.nothing
public static <T extends Tree> Matcher<T> nothing() { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return false; } }; }
java
public static <T extends Tree> Matcher<T> nothing() { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return false; } }; }
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A matcher that matches no AST node.
[ "A", "matcher", "that", "matches", "no", "AST", "node", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L108-L115
21,717
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.not
public static <T extends Tree> Matcher<T> not(final Matcher<T> matcher) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return !matcher.matches(t, state); } }; }
java
public static <T extends Tree> Matcher<T> not(final Matcher<T> matcher) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return !matcher.matches(t, state); } }; }
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Matches an AST node iff it does not match the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L118-L125
21,718
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.allOf
@SafeVarargs public static <T extends Tree> Matcher<T> allOf(final Matcher<? super T>... matchers) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { for (Matcher<? super T> matcher : matchers) { if (!matcher.matches(t, state)) { return false; } } return true; } }; }
java
@SafeVarargs public static <T extends Tree> Matcher<T> allOf(final Matcher<? super T>... matchers) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { for (Matcher<? super T> matcher : matchers) { if (!matcher.matches(t, state)) { return false; } } return true; } }; }
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Compose several matchers together, such that the composite matches an AST node iff all the given matchers do.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L131-L144
21,719
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.anyOf
public static <T extends Tree> Matcher<T> anyOf( final Iterable<? extends Matcher<? super T>> matchers) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { for (Matcher<? super T> matcher : matchers) { if (matcher.matches(t, state)) { return true; } } return false; } }; }
java
public static <T extends Tree> Matcher<T> anyOf( final Iterable<? extends Matcher<? super T>> matchers) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { for (Matcher<? super T> matcher : matchers) { if (matcher.matches(t, state)) { return true; } } return false; } }; }
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Compose several matchers together, such that the composite matches an AST node if any of the given matchers do.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L150-L163
21,720
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isInstance
public static <T extends Tree> Matcher<T> isInstance(final java.lang.Class<?> klass) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return klass.isInstance(t); } }; }
java
public static <T extends Tree> Matcher<T> isInstance(final java.lang.Class<?> klass) { return new Matcher<T>() { @Override public boolean matches(T t, VisitorState state) { return klass.isInstance(t); } }; }
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Matches if an AST node is an instance of the given class.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L171-L178
21,721
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.kindIs
public static <T extends Tree> Matcher<T> kindIs(final Kind kind) { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { return tree.getKind() == kind; } }; }
java
public static <T extends Tree> Matcher<T> kindIs(final Kind kind) { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { return tree.getKind() == kind; } }; }
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Matches an AST node of a given kind, for example, an Annotation or a switch block.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L181-L188
21,722
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isSame
public static <T extends Tree> Matcher<T> isSame(final Tree t) { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { return tree == t; } }; }
java
public static <T extends Tree> Matcher<T> isSame(final Tree t) { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { return tree == t; } }; }
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Matches an AST node which is the same object reference as the given node.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L191-L198
21,723
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isInstanceField
public static Matcher<ExpressionTree> isInstanceField() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree expressionTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(expressionTree); return symbol != null && symbol.getKind() == ElementKind.FIELD && !symbol.isStatic(); } }; }
java
public static Matcher<ExpressionTree> isInstanceField() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree expressionTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(expressionTree); return symbol != null && symbol.getKind() == ElementKind.FIELD && !symbol.isStatic(); } }; }
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Matches an AST node that represents a non-static field.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L221-L229
21,724
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isVariable
public static Matcher<ExpressionTree> isVariable() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree expressionTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(expressionTree); if (symbol == null) { return false; } return symbol.getKind() == ElementKind.LOCAL_VARIABLE || symbol.getKind() == ElementKind.PARAMETER; } }; }
java
public static Matcher<ExpressionTree> isVariable() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree expressionTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(expressionTree); if (symbol == null) { return false; } return symbol.getKind() == ElementKind.LOCAL_VARIABLE || symbol.getKind() == ElementKind.PARAMETER; } }; }
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Matches an AST node that represents a local variable or parameter.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L232-L244
21,725
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.compoundAssignment
public static CompoundAssignment compoundAssignment( Kind operator, Matcher<ExpressionTree> leftOperandMatcher, Matcher<ExpressionTree> rightOperandMatcher) { Set<Kind> operators = new HashSet<>(1); operators.add(operator); return new CompoundAssignment(operators, leftOperandMatcher, rightOperandMatcher); }
java
public static CompoundAssignment compoundAssignment( Kind operator, Matcher<ExpressionTree> leftOperandMatcher, Matcher<ExpressionTree> rightOperandMatcher) { Set<Kind> operators = new HashSet<>(1); operators.add(operator); return new CompoundAssignment(operators, leftOperandMatcher, rightOperandMatcher); }
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Matches a compound assignment operator AST node which matches a given left-operand matcher, a given right-operand matcher, and a specific compound assignment operator. @param operator Which compound assignment operator to match against. @param leftOperandMatcher The matcher to apply to the left operand. @param rightOperandMatcher The matcher to apply to the right operand.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L254-L261
21,726
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.compoundAssignment
public static CompoundAssignment compoundAssignment( Set<Kind> operators, Matcher<ExpressionTree> receiverMatcher, Matcher<ExpressionTree> expressionMatcher) { return new CompoundAssignment(operators, receiverMatcher, expressionMatcher); }
java
public static CompoundAssignment compoundAssignment( Set<Kind> operators, Matcher<ExpressionTree> receiverMatcher, Matcher<ExpressionTree> expressionMatcher) { return new CompoundAssignment(operators, receiverMatcher, expressionMatcher); }
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Matches a compound assignment operator AST node which matches a given left-operand matcher, a given right-operand matcher, and is one of a set of compound assignment operators. Does not match compound assignment operators. @param operators Which compound assignment operators to match against. @param receiverMatcher The matcher to apply to the receiver. @param expressionMatcher The matcher to apply to the expression.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L272-L277
21,727
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.annotations
public static <T extends Tree> MultiMatcher<T, AnnotationTree> annotations( MatchType matchType, Matcher<AnnotationTree> annotationMatcher) { return new AnnotationMatcher<>(matchType, annotationMatcher); }
java
public static <T extends Tree> MultiMatcher<T, AnnotationTree> annotations( MatchType matchType, Matcher<AnnotationTree> annotationMatcher) { return new AnnotationMatcher<>(matchType, annotationMatcher); }
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Matches if the given annotation matcher matches all of or any of the annotations on this tree node. @param matchType Whether to match if the matchers match any of or all of the annotations on this tree. @param annotationMatcher The annotation matcher to use.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L328-L331
21,728
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodInvocation
public static Matcher<ExpressionTree> methodInvocation( Matcher<ExpressionTree> methodSelectMatcher, MatchType matchType, Matcher<ExpressionTree> methodArgumentMatcher) { return new MethodInvocation(methodSelectMatcher, matchType, methodArgumentMatcher); }
java
public static Matcher<ExpressionTree> methodInvocation( Matcher<ExpressionTree> methodSelectMatcher, MatchType matchType, Matcher<ExpressionTree> methodArgumentMatcher) { return new MethodInvocation(methodSelectMatcher, matchType, methodArgumentMatcher); }
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Matches an AST node if it is a method invocation and the given matchers match. @param methodSelectMatcher matcher identifying the method being called @param matchType how to match method arguments with {@code methodArgumentMatcher} @param methodArgumentMatcher matcher applied to each method argument
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L363-L368
21,729
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isSameType
public static <T extends Tree> Matcher<T> isSameType(Supplier<Type> type) { return new IsSameType<>(type); }
java
public static <T extends Tree> Matcher<T> isSameType(Supplier<Type> type) { return new IsSameType<>(type); }
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Matches an AST node if it has the same erased type as the given type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L436-L438
21,730
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isSameType
public static <T extends Tree> Matcher<T> isSameType(Class<?> clazz) { return new IsSameType<>(typeFromClass(clazz)); }
java
public static <T extends Tree> Matcher<T> isSameType(Class<?> clazz) { return new IsSameType<>(typeFromClass(clazz)); }
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Matches an AST node if it has the same erased type as the given class.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L446-L448
21,731
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isArrayType
public static <T extends Tree> Matcher<T> isArrayType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().isArray(type); } }; }
java
public static <T extends Tree> Matcher<T> isArrayType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().isArray(type); } }; }
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Matches an AST node if its type is an array type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L451-L459
21,732
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isPrimitiveArrayType
public static <T extends Tree> Matcher<T> isPrimitiveArrayType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().isArray(type) && state.getTypes().elemtype(type).isPrimitive(); } }; }
java
public static <T extends Tree> Matcher<T> isPrimitiveArrayType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().isArray(type) && state.getTypes().elemtype(type).isPrimitive(); } }; }
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Matches an AST node if its type is a primitive array type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L462-L472
21,733
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isPrimitiveType
public static <T extends Tree> Matcher<T> isPrimitiveType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && type.isPrimitive(); } }; }
java
public static <T extends Tree> Matcher<T> isPrimitiveType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && type.isPrimitive(); } }; }
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Matches an AST node if its type is a primitive type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L475-L483
21,734
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isPrimitiveOrBoxedPrimitiveType
public static <T extends Tree> Matcher<T> isPrimitiveOrBoxedPrimitiveType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().unboxedTypeOrType(type).isPrimitive(); } }; }
java
public static <T extends Tree> Matcher<T> isPrimitiveOrBoxedPrimitiveType() { return new Matcher<T>() { @Override public boolean matches(Tree t, VisitorState state) { Type type = getType(t); return type != null && state.getTypes().unboxedTypeOrType(type).isPrimitive(); } }; }
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Matches an AST node if its type is a primitive type, or a boxed version of a primitive type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L510-L518
21,735
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.enclosingBlock
public static <T extends Tree> Enclosing.Block<T> enclosingBlock(Matcher<BlockTree> matcher) { return new Enclosing.Block<>(matcher); }
java
public static <T extends Tree> Enclosing.Block<T> enclosingBlock(Matcher<BlockTree> matcher) { return new Enclosing.Block<>(matcher); }
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Matches an AST node which is enclosed by a block node that matches the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L521-L523
21,736
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.enclosingClass
public static <T extends Tree> Enclosing.Class<T> enclosingClass(Matcher<ClassTree> matcher) { return new Enclosing.Class<>(matcher); }
java
public static <T extends Tree> Enclosing.Class<T> enclosingClass(Matcher<ClassTree> matcher) { return new Enclosing.Class<>(matcher); }
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Matches an AST node which is enclosed by a class node that matches the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L526-L528
21,737
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.enclosingMethod
public static <T extends Tree> Enclosing.Method<T> enclosingMethod(Matcher<MethodTree> matcher) { return new Enclosing.Method<>(matcher); }
java
public static <T extends Tree> Enclosing.Method<T> enclosingMethod(Matcher<MethodTree> matcher) { return new Enclosing.Method<>(matcher); }
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Matches an AST node which is enclosed by a method node that matches the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L531-L533
21,738
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.enclosingNode
public static <T extends Tree> Matcher<Tree> enclosingNode(final Matcher<T> matcher) { return new Matcher<Tree>() { @SuppressWarnings("unchecked") // TODO(cushon): this should take a Class<T> @Override public boolean matches(Tree t, VisitorState state) { TreePath path = state.getPath().getParentPath(); while (path != null) { Tree node = path.getLeaf(); state = state.withPath(path); if (matcher.matches((T) node, state)) { return true; } path = path.getParentPath(); } return false; } }; }
java
public static <T extends Tree> Matcher<Tree> enclosingNode(final Matcher<T> matcher) { return new Matcher<Tree>() { @SuppressWarnings("unchecked") // TODO(cushon): this should take a Class<T> @Override public boolean matches(Tree t, VisitorState state) { TreePath path = state.getPath().getParentPath(); while (path != null) { Tree node = path.getLeaf(); state = state.withPath(path); if (matcher.matches((T) node, state)) { return true; } path = path.getParentPath(); } return false; } }; }
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Matches an AST node that is enclosed by some node that matches the given matcher. <p>TODO(eaftan): This could be used instead of enclosingBlock and enclosingClass.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L540-L557
21,739
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.nextStatement
public static <T extends StatementTree> NextStatement<T> nextStatement( Matcher<StatementTree> matcher) { return new NextStatement<>(matcher); }
java
public static <T extends StatementTree> NextStatement<T> nextStatement( Matcher<StatementTree> matcher) { return new NextStatement<>(matcher); }
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Matches a statement AST node if the following statement in the enclosing block matches the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L563-L566
21,740
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.previousStatement
public static <T extends StatementTree> Matcher<T> previousStatement( Matcher<StatementTree> matcher) { return (T statement, VisitorState state) -> { BlockTree block = state.findEnclosing(BlockTree.class); if (block == null) { return false; } List<? extends StatementTree> statements = block.getStatements(); int idx = statements.indexOf(statement); if (idx <= 0) { // The block wrapping us doesn't contain this statement, or doesn't contain a previous // statement. return false; } return matcher.matches(statements.get(idx - 1), state); }; }
java
public static <T extends StatementTree> Matcher<T> previousStatement( Matcher<StatementTree> matcher) { return (T statement, VisitorState state) -> { BlockTree block = state.findEnclosing(BlockTree.class); if (block == null) { return false; } List<? extends StatementTree> statements = block.getStatements(); int idx = statements.indexOf(statement); if (idx <= 0) { // The block wrapping us doesn't contain this statement, or doesn't contain a previous // statement. return false; } return matcher.matches(statements.get(idx - 1), state); }; }
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Matches a statement AST node if the previous statement in the enclosing block matches the given matcher.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L572-L588
21,741
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.nonNullLiteral
public static Matcher<ExpressionTree> nonNullLiteral() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree tree, VisitorState state) { switch (tree.getKind()) { case MEMBER_SELECT: return ((MemberSelectTree) tree).getIdentifier().contentEquals("class"); case INT_LITERAL: case LONG_LITERAL: case FLOAT_LITERAL: case DOUBLE_LITERAL: case BOOLEAN_LITERAL: case CHAR_LITERAL: // fall through case STRING_LITERAL: return true; default: return false; } } }; }
java
public static Matcher<ExpressionTree> nonNullLiteral() { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree tree, VisitorState state) { switch (tree.getKind()) { case MEMBER_SELECT: return ((MemberSelectTree) tree).getIdentifier().contentEquals("class"); case INT_LITERAL: case LONG_LITERAL: case FLOAT_LITERAL: case DOUBLE_LITERAL: case BOOLEAN_LITERAL: case CHAR_LITERAL: // fall through case STRING_LITERAL: return true; default: return false; } } }; }
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Matches an AST node if it is a literal other than null.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L596-L617
21,742
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodReturnsNonNull
public static Matcher<ExpressionTree> methodReturnsNonNull() { return anyOf( instanceMethod().onDescendantOf("java.lang.Object").named("toString"), instanceMethod().onExactClass("java.lang.String"), staticMethod().onClass("java.lang.String"), instanceMethod().onExactClass("java.util.StringTokenizer").named("nextToken")); }
java
public static Matcher<ExpressionTree> methodReturnsNonNull() { return anyOf( instanceMethod().onDescendantOf("java.lang.Object").named("toString"), instanceMethod().onExactClass("java.lang.String"), staticMethod().onClass("java.lang.String"), instanceMethod().onExactClass("java.util.StringTokenizer").named("nextToken")); }
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Matches a whitelisted method invocation that is known to never return null
[ "Matches", "a", "whitelisted", "method", "invocation", "that", "is", "known", "to", "never", "return", "null" ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L882-L888
21,743
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodIsNamed
public static Matcher<MethodTree> methodIsNamed(final String methodName) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getName().contentEquals(methodName); } }; }
java
public static Matcher<MethodTree> methodIsNamed(final String methodName) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getName().contentEquals(methodName); } }; }
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Match a method declaration with a specific name. @param methodName The name of the method to match, e.g., "equals"
[ "Match", "a", "method", "declaration", "with", "a", "specific", "name", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L918-L925
21,744
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodNameStartsWith
public static Matcher<MethodTree> methodNameStartsWith(final String prefix) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getName().toString().startsWith(prefix); } }; }
java
public static Matcher<MethodTree> methodNameStartsWith(final String prefix) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getName().toString().startsWith(prefix); } }; }
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Match a method declaration that starts with a given string. @param prefix The prefix.
[ "Match", "a", "method", "declaration", "that", "starts", "with", "a", "given", "string", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L932-L939
21,745
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodWithClassAndName
public static Matcher<MethodTree> methodWithClassAndName( final String className, final String methodName) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return ASTHelpers.getSymbol(methodTree) .getEnclosingElement() .getQualifiedName() .contentEquals(className) && methodTree.getName().contentEquals(methodName); } }; }
java
public static Matcher<MethodTree> methodWithClassAndName( final String className, final String methodName) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return ASTHelpers.getSymbol(methodTree) .getEnclosingElement() .getQualifiedName() .contentEquals(className) && methodTree.getName().contentEquals(methodName); } }; }
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Match a method declaration with a specific enclosing class and method name. @param className The fully-qualified name of the enclosing class, e.g. "com.google.common.base.Preconditions" @param methodName The name of the method to match, e.g., "checkNotNull"
[ "Match", "a", "method", "declaration", "with", "a", "specific", "enclosing", "class", "and", "method", "name", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L948-L960
21,746
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.constructorOfClass
public static Matcher<MethodTree> constructorOfClass(final String className) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(methodTree); return symbol.getEnclosingElement().getQualifiedName().contentEquals(className) && symbol.isConstructor(); } }; }
java
public static Matcher<MethodTree> constructorOfClass(final String className) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { Symbol symbol = ASTHelpers.getSymbol(methodTree); return symbol.getEnclosingElement().getQualifiedName().contentEquals(className) && symbol.isConstructor(); } }; }
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Matches a constructor declaration in a specific enclosing class. @param className The fully-qualified name of the enclosing class, e.g. "com.google.common.base.Preconditions"
[ "Matches", "a", "constructor", "declaration", "in", "a", "specific", "enclosing", "class", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1032-L1041
21,747
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.hasMethod
public static Matcher<ClassTree> hasMethod(final Matcher<MethodTree> methodMatcher) { return new Matcher<ClassTree>() { @Override public boolean matches(ClassTree t, VisitorState state) { for (Tree member : t.getMembers()) { if (member instanceof MethodTree) { if (methodMatcher.matches((MethodTree) member, state)) { return true; } } } return false; } }; }
java
public static Matcher<ClassTree> hasMethod(final Matcher<MethodTree> methodMatcher) { return new Matcher<ClassTree>() { @Override public boolean matches(ClassTree t, VisitorState state) { for (Tree member : t.getMembers()) { if (member instanceof MethodTree) { if (methodMatcher.matches((MethodTree) member, state)) { return true; } } } return false; } }; }
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Matches a class in which at least one method matches the given methodMatcher. @param methodMatcher A matcher on MethodTrees to run against all methods in this class. @return True if some method in the class matches the given methodMatcher.
[ "Matches", "a", "class", "in", "which", "at", "least", "one", "method", "matches", "the", "given", "methodMatcher", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1049-L1063
21,748
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.variableType
public static Matcher<VariableTree> variableType(final Matcher<Tree> treeMatcher) { return new Matcher<VariableTree>() { @Override public boolean matches(VariableTree variableTree, VisitorState state) { return treeMatcher.matches(variableTree.getType(), state); } }; }
java
public static Matcher<VariableTree> variableType(final Matcher<Tree> treeMatcher) { return new Matcher<VariableTree>() { @Override public boolean matches(VariableTree variableTree, VisitorState state) { return treeMatcher.matches(variableTree.getType(), state); } }; }
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Matches on the type of a VariableTree AST node. @param treeMatcher A matcher on the type of the variable.
[ "Matches", "on", "the", "type", "of", "a", "VariableTree", "AST", "node", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1070-L1077
21,749
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.variableInitializer
public static Matcher<VariableTree> variableInitializer( final Matcher<ExpressionTree> expressionTreeMatcher) { return new Matcher<VariableTree>() { @Override public boolean matches(VariableTree variableTree, VisitorState state) { ExpressionTree initializer = variableTree.getInitializer(); return initializer == null ? false : expressionTreeMatcher.matches(initializer, state); } }; }
java
public static Matcher<VariableTree> variableInitializer( final Matcher<ExpressionTree> expressionTreeMatcher) { return new Matcher<VariableTree>() { @Override public boolean matches(VariableTree variableTree, VisitorState state) { ExpressionTree initializer = variableTree.getInitializer(); return initializer == null ? false : expressionTreeMatcher.matches(initializer, state); } }; }
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Matches on the initializer of a VariableTree AST node. @param expressionTreeMatcher A matcher on the initializer of the variable.
[ "Matches", "on", "the", "initializer", "of", "a", "VariableTree", "AST", "node", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1084-L1093
21,750
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.nestingKind
public static Matcher<ClassTree> nestingKind(final NestingKind kind) { return new Matcher<ClassTree>() { @Override public boolean matches(ClassTree classTree, VisitorState state) { ClassSymbol sym = ASTHelpers.getSymbol(classTree); return sym.getNestingKind() == kind; } }; }
java
public static Matcher<ClassTree> nestingKind(final NestingKind kind) { return new Matcher<ClassTree>() { @Override public boolean matches(ClassTree classTree, VisitorState state) { ClassSymbol sym = ASTHelpers.getSymbol(classTree); return sym.getNestingKind() == kind; } }; }
[ "public", "static", "Matcher", "<", "ClassTree", ">", "nestingKind", "(", "final", "NestingKind", "kind", ")", "{", "return", "new", "Matcher", "<", "ClassTree", ">", "(", ")", "{", "@", "Override", "public", "boolean", "matches", "(", "ClassTree", "classTree", ",", "VisitorState", "state", ")", "{", "ClassSymbol", "sym", "=", "ASTHelpers", ".", "getSymbol", "(", "classTree", ")", ";", "return", "sym", ".", "getNestingKind", "(", ")", "==", "kind", ";", "}", "}", ";", "}" ]
Matches an class based on whether it is nested in another class or method. @param kind The kind of nesting to match, eg ANONYMOUS, LOCAL, MEMBER, TOP_LEVEL
[ "Matches", "an", "class", "based", "on", "whether", "it", "is", "nested", "in", "another", "class", "or", "method", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1114-L1122
21,751
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isStatic
public static <T extends Tree> Matcher<T> isStatic() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { Symbol sym = ASTHelpers.getSymbol(tree); return sym != null && sym.isStatic(); } }; }
java
public static <T extends Tree> Matcher<T> isStatic() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { Symbol sym = ASTHelpers.getSymbol(tree); return sym != null && sym.isStatic(); } }; }
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Matches an AST node that is static.
[ "Matches", "an", "AST", "node", "that", "is", "static", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1167-L1175
21,752
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isTransient
public static <T extends Tree> Matcher<T> isTransient() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { Symbol sym = ASTHelpers.getSymbol(tree); // NOTE(yorick): there is no isTransient() on Symbol. This is what it would be. return sym.getModifiers().contains(Modifier.TRANSIENT); } }; }
java
public static <T extends Tree> Matcher<T> isTransient() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { Symbol sym = ASTHelpers.getSymbol(tree); // NOTE(yorick): there is no isTransient() on Symbol. This is what it would be. return sym.getModifiers().contains(Modifier.TRANSIENT); } }; }
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Matches an AST node that is transient.
[ "Matches", "an", "AST", "node", "that", "is", "transient", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1178-L1187
21,753
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.inSynchronized
public static final <T extends Tree> Matcher<T> inSynchronized() { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { SynchronizedTree synchronizedTree = ASTHelpers.findEnclosingNode(state.getPath(), SynchronizedTree.class); if (synchronizedTree != null) { return true; } MethodTree methodTree = ASTHelpers.findEnclosingNode(state.getPath(), MethodTree.class); return methodTree != null && methodTree.getModifiers().getFlags().contains(Modifier.SYNCHRONIZED); } }; }
java
public static final <T extends Tree> Matcher<T> inSynchronized() { return new Matcher<T>() { @Override public boolean matches(T tree, VisitorState state) { SynchronizedTree synchronizedTree = ASTHelpers.findEnclosingNode(state.getPath(), SynchronizedTree.class); if (synchronizedTree != null) { return true; } MethodTree methodTree = ASTHelpers.findEnclosingNode(state.getPath(), MethodTree.class); return methodTree != null && methodTree.getModifiers().getFlags().contains(Modifier.SYNCHRONIZED); } }; }
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Matches if this Tree is enclosed by either a synchronized block or a synchronized method.
[ "Matches", "if", "this", "Tree", "is", "enclosed", "by", "either", "a", "synchronized", "block", "or", "a", "synchronized", "method", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1255-L1270
21,754
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.sameVariable
public static Matcher<ExpressionTree> sameVariable(final ExpressionTree expr) { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree tree, VisitorState state) { return ASTHelpers.sameVariable(tree, expr); } }; }
java
public static Matcher<ExpressionTree> sameVariable(final ExpressionTree expr) { return new Matcher<ExpressionTree>() { @Override public boolean matches(ExpressionTree tree, VisitorState state) { return ASTHelpers.sameVariable(tree, expr); } }; }
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Matches if this ExpressionTree refers to the same variable as the one passed into the matcher.
[ "Matches", "if", "this", "ExpressionTree", "refers", "to", "the", "same", "variable", "as", "the", "one", "passed", "into", "the", "matcher", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1275-L1282
21,755
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.enhancedForLoop
public static Matcher<EnhancedForLoopTree> enhancedForLoop( final Matcher<VariableTree> variableMatcher, final Matcher<ExpressionTree> expressionMatcher, final Matcher<StatementTree> statementMatcher) { return new Matcher<EnhancedForLoopTree>() { @Override public boolean matches(EnhancedForLoopTree t, VisitorState state) { return variableMatcher.matches(t.getVariable(), state) && expressionMatcher.matches(t.getExpression(), state) && statementMatcher.matches(t.getStatement(), state); } }; }
java
public static Matcher<EnhancedForLoopTree> enhancedForLoop( final Matcher<VariableTree> variableMatcher, final Matcher<ExpressionTree> expressionMatcher, final Matcher<StatementTree> statementMatcher) { return new Matcher<EnhancedForLoopTree>() { @Override public boolean matches(EnhancedForLoopTree t, VisitorState state) { return variableMatcher.matches(t.getVariable(), state) && expressionMatcher.matches(t.getExpression(), state) && statementMatcher.matches(t.getStatement(), state); } }; }
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Matches an enhanced for loop if all the given matchers match. @param variableMatcher The matcher to apply to the variable. @param expressionMatcher The matcher to apply to the expression. @param statementMatcher The matcher to apply to the statement.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1301-L1313
21,756
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.inLoop
public static <T extends Tree> Matcher<T> inLoop() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { TreePath path = state.getPath().getParentPath(); Tree node = path.getLeaf(); while (path != null) { switch (node.getKind()) { case METHOD: case CLASS: return false; case WHILE_LOOP: case FOR_LOOP: case ENHANCED_FOR_LOOP: case DO_WHILE_LOOP: return true; default: path = path.getParentPath(); node = path.getLeaf(); break; } } return false; } }; }
java
public static <T extends Tree> Matcher<T> inLoop() { return new Matcher<T>() { @Override public boolean matches(Tree tree, VisitorState state) { TreePath path = state.getPath().getParentPath(); Tree node = path.getLeaf(); while (path != null) { switch (node.getKind()) { case METHOD: case CLASS: return false; case WHILE_LOOP: case FOR_LOOP: case ENHANCED_FOR_LOOP: case DO_WHILE_LOOP: return true; default: path = path.getParentPath(); node = path.getLeaf(); break; } } return false; } }; }
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Matches if the given tree is inside a loop.
[ "Matches", "if", "the", "given", "tree", "is", "inside", "a", "loop", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1316-L1341
21,757
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.assignment
public static Matcher<AssignmentTree> assignment( final Matcher<ExpressionTree> variableMatcher, final Matcher<? super ExpressionTree> expressionMatcher) { return new Matcher<AssignmentTree>() { @Override public boolean matches(AssignmentTree t, VisitorState state) { return variableMatcher.matches(t.getVariable(), state) && expressionMatcher.matches(t.getExpression(), state); } }; }
java
public static Matcher<AssignmentTree> assignment( final Matcher<ExpressionTree> variableMatcher, final Matcher<? super ExpressionTree> expressionMatcher) { return new Matcher<AssignmentTree>() { @Override public boolean matches(AssignmentTree t, VisitorState state) { return variableMatcher.matches(t.getVariable(), state) && expressionMatcher.matches(t.getExpression(), state); } }; }
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Matches an assignment operator AST node if both of the given matchers match. @param variableMatcher The matcher to apply to the variable. @param expressionMatcher The matcher to apply to the expression.
[ "Matches", "an", "assignment", "operator", "AST", "node", "if", "both", "of", "the", "given", "matchers", "match", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1349-L1359
21,758
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.typeCast
public static Matcher<TypeCastTree> typeCast( final Matcher<Tree> typeMatcher, final Matcher<ExpressionTree> expressionMatcher) { return new Matcher<TypeCastTree>() { @Override public boolean matches(TypeCastTree t, VisitorState state) { return typeMatcher.matches(t.getType(), state) && expressionMatcher.matches(t.getExpression(), state); } }; }
java
public static Matcher<TypeCastTree> typeCast( final Matcher<Tree> typeMatcher, final Matcher<ExpressionTree> expressionMatcher) { return new Matcher<TypeCastTree>() { @Override public boolean matches(TypeCastTree t, VisitorState state) { return typeMatcher.matches(t.getType(), state) && expressionMatcher.matches(t.getExpression(), state); } }; }
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Matches a type cast AST node if both of the given matchers match. @param typeMatcher The matcher to apply to the type. @param expressionMatcher The matcher to apply to the expression.
[ "Matches", "a", "type", "cast", "AST", "node", "if", "both", "of", "the", "given", "matchers", "match", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1367-L1376
21,759
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.assertionWithCondition
public static Matcher<AssertTree> assertionWithCondition( final Matcher<ExpressionTree> conditionMatcher) { return new Matcher<AssertTree>() { @Override public boolean matches(AssertTree tree, VisitorState state) { return conditionMatcher.matches(tree.getCondition(), state); } }; }
java
public static Matcher<AssertTree> assertionWithCondition( final Matcher<ExpressionTree> conditionMatcher) { return new Matcher<AssertTree>() { @Override public boolean matches(AssertTree tree, VisitorState state) { return conditionMatcher.matches(tree.getCondition(), state); } }; }
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Matches an assertion AST node if the given matcher matches its condition. @param conditionMatcher The matcher to apply to the condition in the assertion, e.g. in "assert false", the "false" part of the statement
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1384-L1392
21,760
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.contains
public static <T extends Tree, V extends Tree> Matcher<T> contains( Class<V> clazz, Matcher<V> treeMatcher) { final Matcher<Tree> contains = new Contains(toType(clazz, treeMatcher)); return contains::matches; }
java
public static <T extends Tree, V extends Tree> Matcher<T> contains( Class<V> clazz, Matcher<V> treeMatcher) { final Matcher<Tree> contains = new Contains(toType(clazz, treeMatcher)); return contains::matches; }
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Applies the given matcher recursively to all descendants of an AST node, and matches if any matching descendant node is found. @param clazz The type of node to be matched. @param treeMatcher The matcher to apply recursively to the tree.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1411-L1415
21,761
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.methodHasArity
public static Matcher<MethodTree> methodHasArity(final int arity) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getParameters().size() == arity; } }; }
java
public static Matcher<MethodTree> methodHasArity(final int arity) { return new Matcher<MethodTree>() { @Override public boolean matches(MethodTree methodTree, VisitorState state) { return methodTree.getParameters().size() == arity; } }; }
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Matches if the method accepts the given number of arguments. @param arity the number of arguments the method should accept
[ "Matches", "if", "the", "method", "accepts", "the", "given", "number", "of", "arguments", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1422-L1429
21,762
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.isDirectImplementationOf
public static Matcher<ClassTree> isDirectImplementationOf(String clazz) { Matcher<Tree> isProvidedType = isSameType(clazz); return new IsDirectImplementationOf(isProvidedType); }
java
public static Matcher<ClassTree> isDirectImplementationOf(String clazz) { Matcher<Tree> isProvidedType = isSameType(clazz); return new IsDirectImplementationOf(isProvidedType); }
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Matches any node that is directly an implementation, but not extension, of the given Class. <p>E.x. {@code class C implements I} will match, but {@code class C extends A} will not. <p>Additionally, this will only match <i>direct</i> implementations of interfaces. E.g. the following will not match: <p>{@code interface I1 {} interface I2 extends I1 {} class C implements I2 {} ... isDirectImplementationOf(I1).match(\/*class tree for C*\/); // will not match }
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1442-L1445
21,763
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.packageMatches
public static <T extends Tree> Matcher<T> packageMatches(Pattern pattern) { return (tree, state) -> pattern.matcher(getPackageFullName(state)).matches(); }
java
public static <T extends Tree> Matcher<T> packageMatches(Pattern pattern) { return (tree, state) -> pattern.matcher(getPackageFullName(state)).matches(); }
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Matches an AST node whose compilation unit's package name matches the given pattern.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1476-L1478
21,764
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/Matchers.java
Matchers.packageStartsWith
public static <T extends Tree> Matcher<T> packageStartsWith(String prefix) { return (tree, state) -> getPackageFullName(state).startsWith(prefix); }
java
public static <T extends Tree> Matcher<T> packageStartsWith(String prefix) { return (tree, state) -> getPackageFullName(state).startsWith(prefix); }
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Matches an AST node whose compilation unit starts with this prefix.
[ "Matches", "an", "AST", "node", "whose", "compilation", "unit", "starts", "with", "this", "prefix", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/Matchers.java#L1481-L1483
21,765
google/error-prone
core/src/main/java/com/google/errorprone/refaster/UTry.java
UTry.inlineFinallyBlock
@Nullable private JCBlock inlineFinallyBlock(Inliner inliner) throws CouldNotResolveImportException { if (getFinallyBlock() != null) { JCBlock block = getFinallyBlock().inline(inliner); if (!block.getStatements().isEmpty()) { return block; } } return null; }
java
@Nullable private JCBlock inlineFinallyBlock(Inliner inliner) throws CouldNotResolveImportException { if (getFinallyBlock() != null) { JCBlock block = getFinallyBlock().inline(inliner); if (!block.getStatements().isEmpty()) { return block; } } return null; }
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Skips the finally block if the result would be empty.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/refaster/UTry.java#L81-L90
21,766
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/inject/dagger/RefersToDaggerCodegen.java
RefersToDaggerCodegen.isGeneratedFactoryType
private static boolean isGeneratedFactoryType(ClassSymbol symbol, VisitorState state) { // TODO(ronshapiro): check annotation creators, inaccessible map key proxies, or inaccessible // module constructor proxies? return GENERATED_BASE_TYPES.stream() .anyMatch(baseType -> isGeneratedBaseType(symbol, state, baseType)); }
java
private static boolean isGeneratedFactoryType(ClassSymbol symbol, VisitorState state) { // TODO(ronshapiro): check annotation creators, inaccessible map key proxies, or inaccessible // module constructor proxies? return GENERATED_BASE_TYPES.stream() .anyMatch(baseType -> isGeneratedBaseType(symbol, state, baseType)); }
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instead of checking for subtypes of generated code
[ "instead", "of", "checking", "for", "subtypes", "of", "generated", "code" ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/inject/dagger/RefersToDaggerCodegen.java#L93-L98
21,767
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/threadsafety/ImmutableAnalysis.java
ImmutableAnalysis.areFieldsImmutable
Violation areFieldsImmutable( Optional<ClassTree> tree, ImmutableSet<String> immutableTyParams, ClassType classType, ViolationReporter reporter) { ClassSymbol classSym = (ClassSymbol) classType.tsym; if (classSym.members() == null) { return Violation.absent(); } Filter<Symbol> instanceFieldFilter = new Filter<Symbol>() { @Override public boolean accepts(Symbol symbol) { return symbol.getKind() == ElementKind.FIELD && !symbol.isStatic(); } }; Map<Symbol, Tree> declarations = new HashMap<>(); if (tree.isPresent()) { for (Tree member : tree.get().getMembers()) { Symbol sym = ASTHelpers.getSymbol(member); if (sym != null) { declarations.put(sym, member); } } } // javac gives us members in reverse declaration order // handling them in declaration order leads to marginally better diagnostics List<Symbol> members = ImmutableList.copyOf(classSym.members().getSymbols(instanceFieldFilter)).reverse(); for (Symbol member : members) { Optional<Tree> memberTree = Optional.ofNullable(declarations.get(member)); Violation info = isFieldImmutable( memberTree, immutableTyParams, classSym, classType, (VarSymbol) member, reporter); if (info.isPresent()) { return info; } } return Violation.absent(); }
java
Violation areFieldsImmutable( Optional<ClassTree> tree, ImmutableSet<String> immutableTyParams, ClassType classType, ViolationReporter reporter) { ClassSymbol classSym = (ClassSymbol) classType.tsym; if (classSym.members() == null) { return Violation.absent(); } Filter<Symbol> instanceFieldFilter = new Filter<Symbol>() { @Override public boolean accepts(Symbol symbol) { return symbol.getKind() == ElementKind.FIELD && !symbol.isStatic(); } }; Map<Symbol, Tree> declarations = new HashMap<>(); if (tree.isPresent()) { for (Tree member : tree.get().getMembers()) { Symbol sym = ASTHelpers.getSymbol(member); if (sym != null) { declarations.put(sym, member); } } } // javac gives us members in reverse declaration order // handling them in declaration order leads to marginally better diagnostics List<Symbol> members = ImmutableList.copyOf(classSym.members().getSymbols(instanceFieldFilter)).reverse(); for (Symbol member : members) { Optional<Tree> memberTree = Optional.ofNullable(declarations.get(member)); Violation info = isFieldImmutable( memberTree, immutableTyParams, classSym, classType, (VarSymbol) member, reporter); if (info.isPresent()) { return info; } } return Violation.absent(); }
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Check a single class' fields for immutability. @param immutableTyParams the in-scope immutable type parameters @param classType the type to check the fields of
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/threadsafety/ImmutableAnalysis.java#L222-L261
21,768
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/threadsafety/ImmutableAnalysis.java
ImmutableAnalysis.isFieldImmutable
private Violation isFieldImmutable( Optional<Tree> tree, ImmutableSet<String> immutableTyParams, ClassSymbol classSym, ClassType classType, VarSymbol var, ViolationReporter reporter) { if (bugChecker.isSuppressed(var)) { return Violation.absent(); } if (!var.getModifiers().contains(Modifier.FINAL) && !ASTHelpers.hasAnnotation(var, LazyInit.class, state)) { Violation info = Violation.of( String.format( "'%s' has non-final field '%s'", threadSafety.getPrettyName(classSym), var.getSimpleName())); if (tree.isPresent()) { // If we have a tree to attach diagnostics to, report the error immediately instead of // accumulating the path to the error from the top-level class being checked state.reportMatch( reporter.report( tree.get(), info, SuggestedFixes.addModifiers(tree.get(), state, Modifier.FINAL))); return Violation.absent(); } return info; } Type varType = state.getTypes().memberType(classType, var); Violation info = threadSafety.isThreadSafeType( /* allowContainerTypeParameters= */ true, immutableTyParams, varType); if (info.isPresent()) { info = info.plus( String.format( "'%s' has field '%s' of type '%s'", threadSafety.getPrettyName(classSym), var.getSimpleName(), varType)); if (tree.isPresent()) { // If we have a tree to attach diagnostics to, report the error immediately instead of // accumulating the path to the error from the top-level class being checked state.reportMatch(reporter.report(tree.get(), info, Optional.empty())); return Violation.absent(); } return info; } return Violation.absent(); }
java
private Violation isFieldImmutable( Optional<Tree> tree, ImmutableSet<String> immutableTyParams, ClassSymbol classSym, ClassType classType, VarSymbol var, ViolationReporter reporter) { if (bugChecker.isSuppressed(var)) { return Violation.absent(); } if (!var.getModifiers().contains(Modifier.FINAL) && !ASTHelpers.hasAnnotation(var, LazyInit.class, state)) { Violation info = Violation.of( String.format( "'%s' has non-final field '%s'", threadSafety.getPrettyName(classSym), var.getSimpleName())); if (tree.isPresent()) { // If we have a tree to attach diagnostics to, report the error immediately instead of // accumulating the path to the error from the top-level class being checked state.reportMatch( reporter.report( tree.get(), info, SuggestedFixes.addModifiers(tree.get(), state, Modifier.FINAL))); return Violation.absent(); } return info; } Type varType = state.getTypes().memberType(classType, var); Violation info = threadSafety.isThreadSafeType( /* allowContainerTypeParameters= */ true, immutableTyParams, varType); if (info.isPresent()) { info = info.plus( String.format( "'%s' has field '%s' of type '%s'", threadSafety.getPrettyName(classSym), var.getSimpleName(), varType)); if (tree.isPresent()) { // If we have a tree to attach diagnostics to, report the error immediately instead of // accumulating the path to the error from the top-level class being checked state.reportMatch(reporter.report(tree.get(), info, Optional.empty())); return Violation.absent(); } return info; } return Violation.absent(); }
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Check a single field for immutability.
[ "Check", "a", "single", "field", "for", "immutability", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/threadsafety/ImmutableAnalysis.java#L264-L311
21,769
google/error-prone
core/src/main/java/com/google/errorprone/ErrorProneCompiler.java
ErrorProneCompiler.compile
public static Result compile(DiagnosticListener<JavaFileObject> listener, String[] args) { return ErrorProneCompiler.builder().listenToDiagnostics(listener).build().run(args); }
java
public static Result compile(DiagnosticListener<JavaFileObject> listener, String[] args) { return ErrorProneCompiler.builder().listenToDiagnostics(listener).build().run(args); }
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Compiles in-process. @param listener listens to the diagnostics produced by error-prone @param args the same args which would be passed to javac on the command line @return result from the compiler invocation
[ "Compiles", "in", "-", "process", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/ErrorProneCompiler.java#L57-L59
21,770
google/error-prone
core/src/main/java/com/google/errorprone/ErrorProneCompiler.java
ErrorProneCompiler.compile
public static Result compile(String[] args, PrintWriter out) { return ErrorProneCompiler.builder().redirectOutputTo(out).build().run(args); }
java
public static Result compile(String[] args, PrintWriter out) { return ErrorProneCompiler.builder().redirectOutputTo(out).build().run(args); }
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Programmatic interface to the error-prone Java compiler. @param args the same args which would be passed to javac on the command line @param out a {@link PrintWriter} to which to send diagnostic output @return result from the compiler invocation
[ "Programmatic", "interface", "to", "the", "error", "-", "prone", "Java", "compiler", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/ErrorProneCompiler.java#L78-L80
21,771
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/AbstractReturnValueIgnored.java
AbstractReturnValueIgnored.functionalInterfaceReturnsExactlyVoid
private static boolean functionalInterfaceReturnsExactlyVoid( Type interfaceType, VisitorState state) { return state.getTypes().findDescriptorType(interfaceType).getReturnType().getKind() == TypeKind.VOID; }
java
private static boolean functionalInterfaceReturnsExactlyVoid( Type interfaceType, VisitorState state) { return state.getTypes().findDescriptorType(interfaceType).getReturnType().getKind() == TypeKind.VOID; }
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Checks that the return value of a functional interface is void. Note, we do not use ASTHelpers.isVoidType here, return values of Void are actually type-checked. Only void-returning functions silently ignore return values of any type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/AbstractReturnValueIgnored.java#L124-L128
21,772
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/formatstring/FormatStringAnnotationChecker.java
FormatStringAnnotationChecker.matchInvocation
private Description matchInvocation( ExpressionTree tree, MethodSymbol symbol, List<? extends ExpressionTree> args, VisitorState state) { if (!ASTHelpers.hasAnnotation(symbol, FormatMethod.class, state)) { return Description.NO_MATCH; } Type stringType = state.getSymtab().stringType; List<VarSymbol> params = symbol.getParameters(); int firstStringIndex = -1; int formatString = -1; for (int i = 0; i < params.size(); i++) { VarSymbol param = params.get(i); if (ASTHelpers.hasAnnotation(param, FormatString.class, state)) { formatString = i; break; } if (firstStringIndex < 0 && ASTHelpers.isSameType(params.get(i).type, stringType, state)) { firstStringIndex = i; } } if (formatString < 0) { formatString = firstStringIndex; } FormatStringValidation.ValidationResult result = StrictFormatStringValidation.validate( args.get(formatString), args.subList(formatString + 1, args.size()), state); if (result != null) { return buildDescription(tree).setMessage(result.message()).build(); } else { return Description.NO_MATCH; } }
java
private Description matchInvocation( ExpressionTree tree, MethodSymbol symbol, List<? extends ExpressionTree> args, VisitorState state) { if (!ASTHelpers.hasAnnotation(symbol, FormatMethod.class, state)) { return Description.NO_MATCH; } Type stringType = state.getSymtab().stringType; List<VarSymbol> params = symbol.getParameters(); int firstStringIndex = -1; int formatString = -1; for (int i = 0; i < params.size(); i++) { VarSymbol param = params.get(i); if (ASTHelpers.hasAnnotation(param, FormatString.class, state)) { formatString = i; break; } if (firstStringIndex < 0 && ASTHelpers.isSameType(params.get(i).type, stringType, state)) { firstStringIndex = i; } } if (formatString < 0) { formatString = firstStringIndex; } FormatStringValidation.ValidationResult result = StrictFormatStringValidation.validate( args.get(formatString), args.subList(formatString + 1, args.size()), state); if (result != null) { return buildDescription(tree).setMessage(result.message()).build(); } else { return Description.NO_MATCH; } }
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Matches a method or constructor invocation. The input symbol should match the invoked method or contructor and the args should be the parameters in the invocation.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/formatstring/FormatStringAnnotationChecker.java#L54-L92
21,773
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/StaticImports.java
StaticImports.lookup
private static ImmutableSet<Symbol> lookup( Symbol.TypeSymbol typeSym, Symbol.TypeSymbol start, Name identifier, Types types, Symbol.PackageSymbol pkg) { if (typeSym == null) { return ImmutableSet.of(); } ImmutableSet.Builder<Symbol> members = ImmutableSet.builder(); members.addAll(lookup(types.supertype(typeSym.type).tsym, start, identifier, types, pkg)); for (Type i : types.interfaces(typeSym.type)) { members.addAll(lookup(i.tsym, start, identifier, types, pkg)); } OUTER: for (Symbol member : typeSym.members().getSymbolsByName(identifier)) { if (!member.isStatic()) { continue; } switch ((int) (member.flags() & Flags.AccessFlags)) { case Flags.PRIVATE: continue OUTER; case 0: case Flags.PROTECTED: if (member.packge() != pkg) { continue OUTER; } break; case Flags.PUBLIC: default: break; } if (member.isMemberOf(start, types)) { members.add(member); } } return members.build(); }
java
private static ImmutableSet<Symbol> lookup( Symbol.TypeSymbol typeSym, Symbol.TypeSymbol start, Name identifier, Types types, Symbol.PackageSymbol pkg) { if (typeSym == null) { return ImmutableSet.of(); } ImmutableSet.Builder<Symbol> members = ImmutableSet.builder(); members.addAll(lookup(types.supertype(typeSym.type).tsym, start, identifier, types, pkg)); for (Type i : types.interfaces(typeSym.type)) { members.addAll(lookup(i.tsym, start, identifier, types, pkg)); } OUTER: for (Symbol member : typeSym.members().getSymbolsByName(identifier)) { if (!member.isStatic()) { continue; } switch ((int) (member.flags() & Flags.AccessFlags)) { case Flags.PRIVATE: continue OUTER; case 0: case Flags.PROTECTED: if (member.packge() != pkg) { continue OUTER; } break; case Flags.PUBLIC: default: break; } if (member.isMemberOf(start, types)) { members.add(member); } } return members.build(); }
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to filter on method signature.
[ "to", "filter", "on", "method", "signature", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/StaticImports.java#L166-L208
21,774
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/Costs.java
Costs.invalidateAllAlternatives
void invalidateAllAlternatives(Parameter formal) { for (int actualIndex = 0; actualIndex < costMatrix[formal.index()].length; actualIndex++) { if (actualIndex != formal.index()) { costMatrix[formal.index()][actualIndex] = Double.POSITIVE_INFINITY; } } }
java
void invalidateAllAlternatives(Parameter formal) { for (int actualIndex = 0; actualIndex < costMatrix[formal.index()].length; actualIndex++) { if (actualIndex != formal.index()) { costMatrix[formal.index()][actualIndex] = Double.POSITIVE_INFINITY; } } }
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Set the cost of all the alternatives for this formal parameter to be Inf.
[ "Set", "the", "cost", "of", "all", "the", "alternatives", "for", "this", "formal", "parameter", "to", "be", "Inf", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/Costs.java#L98-L104
21,775
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/Costs.java
Costs.updatePair
void updatePair(ParameterPair p, double cost) { costMatrix[p.formal().index()][p.actual().index()] = cost; }
java
void updatePair(ParameterPair p, double cost) { costMatrix[p.formal().index()][p.actual().index()] = cost; }
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Update the cost of the given pairing.
[ "Update", "the", "cost", "of", "the", "given", "pairing", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/Costs.java#L107-L109
21,776
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.createForUtilityPurposes
public static VisitorState createForUtilityPurposes(Context context) { return new VisitorState( context, VisitorState::nullListener, ImmutableMap.of(), ErrorProneOptions.empty(), // Can't use this VisitorState to report results, so no-op collector. StatisticsCollector.createNoOpCollector(), null, null, SuppressedState.UNSUPPRESSED); }
java
public static VisitorState createForUtilityPurposes(Context context) { return new VisitorState( context, VisitorState::nullListener, ImmutableMap.of(), ErrorProneOptions.empty(), // Can't use this VisitorState to report results, so no-op collector. StatisticsCollector.createNoOpCollector(), null, null, SuppressedState.UNSUPPRESSED); }
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Return a VisitorState that has no Error Prone configuration, and can't report results. <p>If using this method, consider moving to using utility methods not needing VisitorSate
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L82-L93
21,777
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.createConfiguredForCompilation
public static VisitorState createConfiguredForCompilation( Context context, DescriptionListener listener, Map<String, SeverityLevel> severityMap, ErrorProneOptions errorProneOptions) { return new VisitorState( context, listener, severityMap, errorProneOptions, StatisticsCollector.createCollector(), null, null, SuppressedState.UNSUPPRESSED); }
java
public static VisitorState createConfiguredForCompilation( Context context, DescriptionListener listener, Map<String, SeverityLevel> severityMap, ErrorProneOptions errorProneOptions) { return new VisitorState( context, listener, severityMap, errorProneOptions, StatisticsCollector.createCollector(), null, null, SuppressedState.UNSUPPRESSED); }
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Return a VisitorState configured for a new compilation, including Error Prone configuration.
[ "Return", "a", "VisitorState", "configured", "for", "a", "new", "compilation", "including", "Error", "Prone", "configuration", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L115-L129
21,778
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.inferBinaryName
private static String inferBinaryName(String classname) { StringBuilder sb = new StringBuilder(); boolean first = true; char sep = '.'; for (String bit : Splitter.on('.').split(classname)) { if (!first) { sb.append(sep); } sb.append(bit); if (Character.isUpperCase(bit.charAt(0))) { sep = '$'; } first = false; } return sb.toString(); }
java
private static String inferBinaryName(String classname) { StringBuilder sb = new StringBuilder(); boolean first = true; char sep = '.'; for (String bit : Splitter.on('.').split(classname)) { if (!first) { sb.append(sep); } sb.append(bit); if (Character.isUpperCase(bit.charAt(0))) { sep = '$'; } first = false; } return sb.toString(); }
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so it may not end up being a performance win.)
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L406-L421
21,779
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.getType
public Type getType(Type baseType, boolean isArray, List<Type> typeParams) { boolean isGeneric = typeParams != null && !typeParams.isEmpty(); if (!isArray && !isGeneric) { // Simple type. return baseType; } else if (isArray && !isGeneric) { // Array type, not generic. ClassSymbol arraySymbol = getSymtab().arrayClass; return new ArrayType(baseType, arraySymbol); } else if (!isArray && isGeneric) { // Generic type, not array. com.sun.tools.javac.util.List<Type> typeParamsCopy = com.sun.tools.javac.util.List.from(typeParams); return new ClassType(Type.noType, typeParamsCopy, baseType.tsym); } else { throw new IllegalArgumentException("Unsupported arguments to getType"); } }
java
public Type getType(Type baseType, boolean isArray, List<Type> typeParams) { boolean isGeneric = typeParams != null && !typeParams.isEmpty(); if (!isArray && !isGeneric) { // Simple type. return baseType; } else if (isArray && !isGeneric) { // Array type, not generic. ClassSymbol arraySymbol = getSymtab().arrayClass; return new ArrayType(baseType, arraySymbol); } else if (!isArray && isGeneric) { // Generic type, not array. com.sun.tools.javac.util.List<Type> typeParamsCopy = com.sun.tools.javac.util.List.from(typeParams); return new ClassType(Type.noType, typeParamsCopy, baseType.tsym); } else { throw new IllegalArgumentException("Unsupported arguments to getType"); } }
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Build an instance of a Type.
[ "Build", "an", "instance", "of", "a", "Type", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L424-L441
21,780
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.findEnclosing
@Nullable @SuppressWarnings("unchecked") // findPathToEnclosing guarantees that the type is from |classes| @SafeVarargs public final <T extends Tree> T findEnclosing(Class<? extends T>... classes) { TreePath pathToEnclosing = findPathToEnclosing(classes); return (pathToEnclosing == null) ? null : (T) pathToEnclosing.getLeaf(); }
java
@Nullable @SuppressWarnings("unchecked") // findPathToEnclosing guarantees that the type is from |classes| @SafeVarargs public final <T extends Tree> T findEnclosing(Class<? extends T>... classes) { TreePath pathToEnclosing = findPathToEnclosing(classes); return (pathToEnclosing == null) ? null : (T) pathToEnclosing.getLeaf(); }
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Find the first enclosing tree node of one of the given types. @return the node, or {@code null} if there is no match
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L474-L480
21,781
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.getSourceCode
@Nullable public CharSequence getSourceCode() { try { return getPath().getCompilationUnit().getSourceFile().getCharContent(false); } catch (IOException e) { return null; } }
java
@Nullable public CharSequence getSourceCode() { try { return getPath().getCompilationUnit().getSourceFile().getCharContent(false); } catch (IOException e) { return null; } }
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Gets the current source file. @return the source file as a sequence of characters, or null if it is not available
[ "Gets", "the", "current", "source", "file", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L487-L494
21,782
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.getSourceForNode
@Nullable public String getSourceForNode(Tree tree) { JCTree node = (JCTree) tree; int start = node.getStartPosition(); int end = getEndPosition(node); if (end < 0) { return null; } return getSourceCode().subSequence(start, end).toString(); }
java
@Nullable public String getSourceForNode(Tree tree) { JCTree node = (JCTree) tree; int start = node.getStartPosition(); int end = getEndPosition(node); if (end < 0) { return null; } return getSourceCode().subSequence(start, end).toString(); }
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Gets the original source code that represents the given node. <p>Note that this may be different from what is returned by calling .toString() on the node. This returns exactly what is in the source code, whereas .toString() pretty-prints the node from its AST representation. @return the source code that represents the node.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L505-L514
21,783
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.getEndPosition
public int getEndPosition(Tree node) { JCCompilationUnit compilationUnit = (JCCompilationUnit) getPath().getCompilationUnit(); if (compilationUnit.endPositions == null) { return -1; } return ((JCTree) node).getEndPosition(compilationUnit.endPositions); }
java
public int getEndPosition(Tree node) { JCCompilationUnit compilationUnit = (JCCompilationUnit) getPath().getCompilationUnit(); if (compilationUnit.endPositions == null) { return -1; } return ((JCTree) node).getEndPosition(compilationUnit.endPositions); }
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Returns the end position of the node, or -1 if it is not available.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L527-L533
21,784
google/error-prone
check_api/src/main/java/com/google/errorprone/VisitorState.java
VisitorState.validateTypeStr
private static void validateTypeStr(String typeStr) { if (typeStr.contains("[") || typeStr.contains("]")) { throw new IllegalArgumentException( String.format( "Cannot convert array types (%s), please build them using getType()", typeStr)); } if (typeStr.contains("<") || typeStr.contains(">")) { throw new IllegalArgumentException( String.format( "Cannot convert generic types (%s), please build them using getType()", typeStr)); } }
java
private static void validateTypeStr(String typeStr) { if (typeStr.contains("[") || typeStr.contains("]")) { throw new IllegalArgumentException( String.format( "Cannot convert array types (%s), please build them using getType()", typeStr)); } if (typeStr.contains("<") || typeStr.contains(">")) { throw new IllegalArgumentException( String.format( "Cannot convert generic types (%s), please build them using getType()", typeStr)); } }
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Validates a type string, ensuring it is not generic and not an array type.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/VisitorState.java#L536-L547
21,785
google/error-prone
check_api/src/main/java/com/google/errorprone/util/Reachability.java
Reachability.canCompleteNormally
public static boolean canCompleteNormally(CaseTree caseTree) { List<? extends StatementTree> statements = caseTree.getStatements(); if (statements.isEmpty()) { return true; } // We only care whether the last statement completes; javac would have already // reported an error if that statement wasn't reachable, and the answer is // independent of any preceding statements. // TODO(cushon): This isn't really making an exception for System.exit in the prior statements. return canCompleteNormally(getLast(statements)); }
java
public static boolean canCompleteNormally(CaseTree caseTree) { List<? extends StatementTree> statements = caseTree.getStatements(); if (statements.isEmpty()) { return true; } // We only care whether the last statement completes; javac would have already // reported an error if that statement wasn't reachable, and the answer is // independent of any preceding statements. // TODO(cushon): This isn't really making an exception for System.exit in the prior statements. return canCompleteNormally(getLast(statements)); }
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Returns true if the given case tree can complete normally, as defined by JLS 14.21. <p>An exception is made for {@code System.exit}, which cannot complete normally in practice.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/util/Reachability.java#L74-L84
21,786
google/error-prone
check_api/src/main/java/com/google/errorprone/BaseErrorProneJavaCompiler.java
BaseErrorProneJavaCompiler.setupMessageBundle
public static void setupMessageBundle(Context context) { ResourceBundle bundle = ResourceBundle.getBundle("com.google.errorprone.errors"); JavacMessages.instance(context).add(l -> bundle); }
java
public static void setupMessageBundle(Context context) { ResourceBundle bundle = ResourceBundle.getBundle("com.google.errorprone.errors"); JavacMessages.instance(context).add(l -> bundle); }
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Registers our message bundle.
[ "Registers", "our", "message", "bundle", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/BaseErrorProneJavaCompiler.java#L200-L203
21,787
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NamedParameterComment.java
NamedParameterComment.match
static MatchedComment match(Commented<ExpressionTree> actual, String formal) { Optional<Comment> lastBlockComment = Streams.findLast( actual.beforeComments().stream().filter(c -> c.getStyle() == CommentStyle.BLOCK)); if (lastBlockComment.isPresent()) { Matcher m = PARAMETER_COMMENT_PATTERN.matcher(Comments.getTextFromComment(lastBlockComment.get())); if (m.matches()) { return MatchedComment.create( lastBlockComment.get(), m.group(1).equals(formal) ? MatchType.EXACT_MATCH : MatchType.BAD_MATCH); } } Optional<Comment> approximateMatchComment = Stream.concat(actual.beforeComments().stream(), actual.afterComments().stream()) .filter(comment -> isApproximateMatchingComment(comment, formal)) .findFirst(); if (approximateMatchComment.isPresent()) { // Report EXACT_MATCH for comments that don't use the recommended style (e.g. `/*foo*/` // instead of `/* foo= */`), but which match the formal parameter name exactly, since it's // a style nit rather than a possible correctness issue. // TODO(cushon): revisit this if we standardize on the recommended comment style. String text = CharMatcher.anyOf("=:") .trimTrailingFrom(Comments.getTextFromComment(approximateMatchComment.get()).trim()); return MatchedComment.create( approximateMatchComment.get(), text.equals(formal) ? MatchType.EXACT_MATCH : MatchType.APPROXIMATE_MATCH); } return MatchedComment.notAnnotated(); }
java
static MatchedComment match(Commented<ExpressionTree> actual, String formal) { Optional<Comment> lastBlockComment = Streams.findLast( actual.beforeComments().stream().filter(c -> c.getStyle() == CommentStyle.BLOCK)); if (lastBlockComment.isPresent()) { Matcher m = PARAMETER_COMMENT_PATTERN.matcher(Comments.getTextFromComment(lastBlockComment.get())); if (m.matches()) { return MatchedComment.create( lastBlockComment.get(), m.group(1).equals(formal) ? MatchType.EXACT_MATCH : MatchType.BAD_MATCH); } } Optional<Comment> approximateMatchComment = Stream.concat(actual.beforeComments().stream(), actual.afterComments().stream()) .filter(comment -> isApproximateMatchingComment(comment, formal)) .findFirst(); if (approximateMatchComment.isPresent()) { // Report EXACT_MATCH for comments that don't use the recommended style (e.g. `/*foo*/` // instead of `/* foo= */`), but which match the formal parameter name exactly, since it's // a style nit rather than a possible correctness issue. // TODO(cushon): revisit this if we standardize on the recommended comment style. String text = CharMatcher.anyOf("=:") .trimTrailingFrom(Comments.getTextFromComment(approximateMatchComment.get()).trim()); return MatchedComment.create( approximateMatchComment.get(), text.equals(formal) ? MatchType.EXACT_MATCH : MatchType.APPROXIMATE_MATCH); } return MatchedComment.notAnnotated(); }
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Determine the kind of match we have between the comments on this argument and the formal parameter name.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NamedParameterComment.java#L131-L165
21,788
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NamedParameterComment.java
NamedParameterComment.containsSyntheticParameterName
public static boolean containsSyntheticParameterName(MethodSymbol sym) { return sym.getParameters().stream() .anyMatch(p -> SYNTHETIC_PARAMETER_NAME.matcher(p.getSimpleName()).matches()); }
java
public static boolean containsSyntheticParameterName(MethodSymbol sym) { return sym.getParameters().stream() .anyMatch(p -> SYNTHETIC_PARAMETER_NAME.matcher(p.getSimpleName()).matches()); }
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Returns true if the method has synthetic parameter names, indicating the real names are not available.
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fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/NamedParameterComment.java#L185-L188
21,789
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/AnnotationPosition.java
AnnotationPosition.checkAnnotations
private Description checkAnnotations( Tree tree, int treePos, List<? extends AnnotationTree> annotations, Comment danglingJavadoc, int firstModifierPos, int lastModifierPos, VisitorState state) { SuggestedFix.Builder builder = SuggestedFix.builder(); List<AnnotationTree> moveBefore = new ArrayList<>(); List<AnnotationTree> moveAfter = new ArrayList<>(); boolean annotationProblem = false; for (AnnotationTree annotation : annotations) { int annotationPos = ((JCTree) annotation).getStartPosition(); if (annotationPos <= firstModifierPos) { continue; } AnnotationType annotationType = ASTHelpers.getAnnotationType(annotation, getSymbol(tree), state); if (annotationPos >= lastModifierPos) { if (tree instanceof ClassTree || annotationType == AnnotationType.DECLARATION) { annotationProblem = true; moveBefore.add(annotation); } } else { annotationProblem = true; if (tree instanceof ClassTree || annotationType == AnnotationType.DECLARATION || annotationType == null) { moveBefore.add(annotation); } else { moveAfter.add(annotation); } } } if (annotationProblem) { for (AnnotationTree annotation : moveBefore) { builder.delete(annotation); } for (AnnotationTree annotation : moveAfter) { builder.delete(annotation); } String javadoc = danglingJavadoc == null ? "" : removeJavadoc(state, treePos, danglingJavadoc, builder); builder .replace( firstModifierPos, firstModifierPos, String.format("%s%s ", javadoc, joinSource(state, moveBefore))) .replace( lastModifierPos, lastModifierPos, String.format("%s ", joinSource(state, moveAfter))); ImmutableList<String> names = annotations.stream() .map(ASTHelpers::getSymbol) .filter(Objects::nonNull) .map(Symbol::getSimpleName) .map(a -> "@" + a) .collect(toImmutableList()); String flattened = names.stream().collect(joining(", ")); String isAre = names.size() > 1 ? "are not type annotations" : "is not a type annotation"; String message = String.format( "%s %s, so should appear before any modifiers and after Javadocs.", flattened, isAre); return buildDescription(tree).setMessage(message).addFix(builder.build()).build(); } return NO_MATCH; }
java
private Description checkAnnotations( Tree tree, int treePos, List<? extends AnnotationTree> annotations, Comment danglingJavadoc, int firstModifierPos, int lastModifierPos, VisitorState state) { SuggestedFix.Builder builder = SuggestedFix.builder(); List<AnnotationTree> moveBefore = new ArrayList<>(); List<AnnotationTree> moveAfter = new ArrayList<>(); boolean annotationProblem = false; for (AnnotationTree annotation : annotations) { int annotationPos = ((JCTree) annotation).getStartPosition(); if (annotationPos <= firstModifierPos) { continue; } AnnotationType annotationType = ASTHelpers.getAnnotationType(annotation, getSymbol(tree), state); if (annotationPos >= lastModifierPos) { if (tree instanceof ClassTree || annotationType == AnnotationType.DECLARATION) { annotationProblem = true; moveBefore.add(annotation); } } else { annotationProblem = true; if (tree instanceof ClassTree || annotationType == AnnotationType.DECLARATION || annotationType == null) { moveBefore.add(annotation); } else { moveAfter.add(annotation); } } } if (annotationProblem) { for (AnnotationTree annotation : moveBefore) { builder.delete(annotation); } for (AnnotationTree annotation : moveAfter) { builder.delete(annotation); } String javadoc = danglingJavadoc == null ? "" : removeJavadoc(state, treePos, danglingJavadoc, builder); builder .replace( firstModifierPos, firstModifierPos, String.format("%s%s ", javadoc, joinSource(state, moveBefore))) .replace( lastModifierPos, lastModifierPos, String.format("%s ", joinSource(state, moveAfter))); ImmutableList<String> names = annotations.stream() .map(ASTHelpers::getSymbol) .filter(Objects::nonNull) .map(Symbol::getSimpleName) .map(a -> "@" + a) .collect(toImmutableList()); String flattened = names.stream().collect(joining(", ")); String isAre = names.size() > 1 ? "are not type annotations" : "is not a type annotation"; String message = String.format( "%s %s, so should appear before any modifiers and after Javadocs.", flattened, isAre); return buildDescription(tree).setMessage(message).addFix(builder.build()).build(); } return NO_MATCH; }
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Checks that annotations are on the right side of the modifiers.
[ "Checks", "that", "annotations", "are", "on", "the", "right", "side", "of", "the", "modifiers", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/AnnotationPosition.java#L178-L245
21,790
google/error-prone
check_api/src/main/java/com/google/errorprone/matchers/AnnotationMatcherUtils.java
AnnotationMatcherUtils.getArgument
@Nullable public static ExpressionTree getArgument(AnnotationTree annotationTree, String name) { for (ExpressionTree argumentTree : annotationTree.getArguments()) { if (argumentTree.getKind() != Tree.Kind.ASSIGNMENT) { continue; } AssignmentTree assignmentTree = (AssignmentTree) argumentTree; if (!assignmentTree.getVariable().toString().equals(name)) { continue; } ExpressionTree expressionTree = assignmentTree.getExpression(); return expressionTree; } return null; }
java
@Nullable public static ExpressionTree getArgument(AnnotationTree annotationTree, String name) { for (ExpressionTree argumentTree : annotationTree.getArguments()) { if (argumentTree.getKind() != Tree.Kind.ASSIGNMENT) { continue; } AssignmentTree assignmentTree = (AssignmentTree) argumentTree; if (!assignmentTree.getVariable().toString().equals(name)) { continue; } ExpressionTree expressionTree = assignmentTree.getExpression(); return expressionTree; } return null; }
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Gets the value for an argument, or null if the argument does not exist. @param annotationTree the AST node for the annotation @param name the name of the argument whose value to get @return the value of the argument, or null if the argument does not exist
[ "Gets", "the", "value", "for", "an", "argument", "or", "null", "if", "the", "argument", "does", "not", "exist", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/matchers/AnnotationMatcherUtils.java#L39-L53
21,791
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/EnclosedByReverseHeuristic.java
EnclosedByReverseHeuristic.isAcceptableChange
@Override public boolean isAcceptableChange( Changes changes, Tree node, MethodSymbol symbol, VisitorState state) { return findReverseWordsMatchInParentNodes(state) == null; }
java
@Override public boolean isAcceptableChange( Changes changes, Tree node, MethodSymbol symbol, VisitorState state) { return findReverseWordsMatchInParentNodes(state) == null; }
[ "@", "Override", "public", "boolean", "isAcceptableChange", "(", "Changes", "changes", ",", "Tree", "node", ",", "MethodSymbol", "symbol", ",", "VisitorState", "state", ")", "{", "return", "findReverseWordsMatchInParentNodes", "(", "state", ")", "==", "null", ";", "}" ]
Return true if this call is not enclosed in a method call about reversing things
[ "Return", "true", "if", "this", "call", "is", "not", "enclosed", "in", "a", "method", "call", "about", "reversing", "things" ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/argumentselectiondefects/EnclosedByReverseHeuristic.java#L71-L75
21,792
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/UnsynchronizedOverridesSynchronized.java
UnsynchronizedOverridesSynchronized.ignore
private static boolean ignore(MethodTree method, VisitorState state) { return firstNonNull( new TreeScanner<Boolean, Void>() { @Override public Boolean visitBlock(BlockTree tree, Void unused) { switch (tree.getStatements().size()) { case 0: return true; case 1: return scan(getOnlyElement(tree.getStatements()), null); default: return false; } } @Override public Boolean visitReturn(ReturnTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitExpressionStatement(ExpressionStatementTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitTypeCast(TypeCastTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitMethodInvocation(MethodInvocationTree node, Void aVoid) { ExpressionTree receiver = ASTHelpers.getReceiver(node); return receiver instanceof IdentifierTree && ((IdentifierTree) receiver).getName().contentEquals("super") && overrides(ASTHelpers.getSymbol(method), ASTHelpers.getSymbol(node)); } private boolean overrides(MethodSymbol sym, MethodSymbol other) { return !sym.isStatic() && !other.isStatic() && (((sym.flags() | other.flags()) & Flags.SYNTHETIC) == 0) && sym.name.contentEquals(other.name) && sym.overrides( other, sym.owner.enclClass(), state.getTypes(), /* checkResult= */ false); } }.scan(method.getBody(), null), false); }
java
private static boolean ignore(MethodTree method, VisitorState state) { return firstNonNull( new TreeScanner<Boolean, Void>() { @Override public Boolean visitBlock(BlockTree tree, Void unused) { switch (tree.getStatements().size()) { case 0: return true; case 1: return scan(getOnlyElement(tree.getStatements()), null); default: return false; } } @Override public Boolean visitReturn(ReturnTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitExpressionStatement(ExpressionStatementTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitTypeCast(TypeCastTree tree, Void unused) { return scan(tree.getExpression(), null); } @Override public Boolean visitMethodInvocation(MethodInvocationTree node, Void aVoid) { ExpressionTree receiver = ASTHelpers.getReceiver(node); return receiver instanceof IdentifierTree && ((IdentifierTree) receiver).getName().contentEquals("super") && overrides(ASTHelpers.getSymbol(method), ASTHelpers.getSymbol(node)); } private boolean overrides(MethodSymbol sym, MethodSymbol other) { return !sym.isStatic() && !other.isStatic() && (((sym.flags() | other.flags()) & Flags.SYNTHETIC) == 0) && sym.name.contentEquals(other.name) && sym.overrides( other, sym.owner.enclClass(), state.getTypes(), /* checkResult= */ false); } }.scan(method.getBody(), null), false); }
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Don't flag methods that are empty or trivially delegate to a super-implementation.
[ "Don", "t", "flag", "methods", "that", "are", "empty", "or", "trivially", "delegate", "to", "a", "super", "-", "implementation", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/UnsynchronizedOverridesSynchronized.java#L88-L136
21,793
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/UnnecessaryTypeArgument.java
UnnecessaryTypeArgument.buildFix
private Fix buildFix(Tree tree, List<? extends Tree> arguments, VisitorState state) { JCTree node = (JCTree) tree; int startAbsolute = node.getStartPosition(); int lower = ((JCTree) arguments.get(0)).getStartPosition() - startAbsolute; int upper = state.getEndPosition(arguments.get(arguments.size() - 1)) - startAbsolute; CharSequence source = state.getSourceForNode(node); while (lower >= 0 && source.charAt(lower) != '<') { lower--; } while (upper < source.length() && source.charAt(upper) != '>') { upper++; } // There's a small chance that the fix will be incorrect because there's a '<' or '>' in // a comment (e.g. `this.</*<*/T/*>*/>f()`), it should never be the case that we don't find // any angle brackets. verify(source.charAt(lower) == '<' && source.charAt(upper) == '>'); Fix fix = SuggestedFix.replace(startAbsolute + lower, startAbsolute + upper + 1, ""); return fix; }
java
private Fix buildFix(Tree tree, List<? extends Tree> arguments, VisitorState state) { JCTree node = (JCTree) tree; int startAbsolute = node.getStartPosition(); int lower = ((JCTree) arguments.get(0)).getStartPosition() - startAbsolute; int upper = state.getEndPosition(arguments.get(arguments.size() - 1)) - startAbsolute; CharSequence source = state.getSourceForNode(node); while (lower >= 0 && source.charAt(lower) != '<') { lower--; } while (upper < source.length() && source.charAt(upper) != '>') { upper++; } // There's a small chance that the fix will be incorrect because there's a '<' or '>' in // a comment (e.g. `this.</*<*/T/*>*/>f()`), it should never be the case that we don't find // any angle brackets. verify(source.charAt(lower) == '<' && source.charAt(upper) == '>'); Fix fix = SuggestedFix.replace(startAbsolute + lower, startAbsolute + upper + 1, ""); return fix; }
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Constructor a fix that deletes the set of type arguments.
[ "Constructor", "a", "fix", "that", "deletes", "the", "set", "of", "type", "arguments", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/UnnecessaryTypeArgument.java#L84-L107
21,794
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/CompatibleWithMisuse.java
CompatibleWithMisuse.valueArgumentFromCompatibleWithAnnotation
private String valueArgumentFromCompatibleWithAnnotation(AnnotationTree tree) { ExpressionTree argumentValue = Iterables.getOnlyElement(tree.getArguments()); if (argumentValue.getKind() != Kind.ASSIGNMENT) { // :-| Annotation symbol broken. Punt? return null; } return ASTHelpers.constValue(((AssignmentTree) argumentValue).getExpression(), String.class); }
java
private String valueArgumentFromCompatibleWithAnnotation(AnnotationTree tree) { ExpressionTree argumentValue = Iterables.getOnlyElement(tree.getArguments()); if (argumentValue.getKind() != Kind.ASSIGNMENT) { // :-| Annotation symbol broken. Punt? return null; } return ASTHelpers.constValue(((AssignmentTree) argumentValue).getExpression(), String.class); }
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is required.
[ "is", "required", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/collectionincompatibletype/CompatibleWithMisuse.java#L127-L135
21,795
google/error-prone
core/src/main/java/com/google/errorprone/refaster/Choice.java
Choice.fromOptional
public static <T> Choice<T> fromOptional(Optional<T> optional) { return optional.isPresent() ? of(optional.get()) : Choice.<T>none(); }
java
public static <T> Choice<T> fromOptional(Optional<T> optional) { return optional.isPresent() ? of(optional.get()) : Choice.<T>none(); }
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Returns a choice of the optional value, if it is present, or the empty choice if it is absent.
[ "Returns", "a", "choice", "of", "the", "optional", "value", "if", "it", "is", "present", "or", "the", "empty", "choice", "if", "it", "is", "absent", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/refaster/Choice.java#L151-L153
21,796
google/error-prone
core/src/main/java/com/google/errorprone/refaster/Choice.java
Choice.any
public static <T> Choice<T> any(final Collection<Choice<T>> choices) { return from(choices).thenChoose(Functions.<Choice<T>>identity()); }
java
public static <T> Choice<T> any(final Collection<Choice<T>> choices) { return from(choices).thenChoose(Functions.<Choice<T>>identity()); }
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Returns a choice between any of the options from any of the specified choices.
[ "Returns", "a", "choice", "between", "any", "of", "the", "options", "from", "any", "of", "the", "specified", "choices", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/refaster/Choice.java#L177-L179
21,797
google/error-prone
core/src/main/java/com/google/errorprone/refaster/Choice.java
Choice.transform
public <R> Choice<R> transform(final Function<? super T, R> function) { checkNotNull(function); final Choice<T> thisChoice = this; return new Choice<R>() { @Override protected Iterator<R> iterator() { return Iterators.transform(thisChoice.iterator(), function); } }; }
java
public <R> Choice<R> transform(final Function<? super T, R> function) { checkNotNull(function); final Choice<T> thisChoice = this; return new Choice<R>() { @Override protected Iterator<R> iterator() { return Iterators.transform(thisChoice.iterator(), function); } }; }
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Maps the choices with the specified function.
[ "Maps", "the", "choices", "with", "the", "specified", "function", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/refaster/Choice.java#L248-L257
21,798
google/error-prone
check_api/src/main/java/com/google/errorprone/util/ErrorProneTokens.java
ErrorProneTokens.getTokens
public static ImmutableList<ErrorProneToken> getTokens(String source, Context context) { return new ErrorProneTokens(source, context).getTokens(); }
java
public static ImmutableList<ErrorProneToken> getTokens(String source, Context context) { return new ErrorProneTokens(source, context).getTokens(); }
[ "public", "static", "ImmutableList", "<", "ErrorProneToken", ">", "getTokens", "(", "String", "source", ",", "Context", "context", ")", "{", "return", "new", "ErrorProneTokens", "(", "source", ",", "context", ")", ".", "getTokens", "(", ")", ";", "}" ]
Returns the tokens for the given source text, including comments.
[ "Returns", "the", "tokens", "for", "the", "given", "source", "text", "including", "comments", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/check_api/src/main/java/com/google/errorprone/util/ErrorProneTokens.java#L59-L61
21,799
google/error-prone
core/src/main/java/com/google/errorprone/bugpatterns/inject/dagger/Util.java
Util.hasAnyParameter
private static Matcher<AnnotationTree> hasAnyParameter(String... parameters) { return anyOf( transform( asList(parameters), new Function<String, Matcher<AnnotationTree>>() { @Override public Matcher<AnnotationTree> apply(String parameter) { return hasArgumentWithValue(parameter, Matchers.<ExpressionTree>anything()); } })); }
java
private static Matcher<AnnotationTree> hasAnyParameter(String... parameters) { return anyOf( transform( asList(parameters), new Function<String, Matcher<AnnotationTree>>() { @Override public Matcher<AnnotationTree> apply(String parameter) { return hasArgumentWithValue(parameter, Matchers.<ExpressionTree>anything()); } })); }
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Matches an annotation that has an argument for at least one of the given parameters.
[ "Matches", "an", "annotation", "that", "has", "an", "argument", "for", "at", "least", "one", "of", "the", "given", "parameters", "." ]
fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d
https://github.com/google/error-prone/blob/fe2e3cc2cf1958cb7c487bfe89852bb4c225ba9d/core/src/main/java/com/google/errorprone/bugpatterns/inject/dagger/Util.java#L95-L105