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[java] Fix more parsing errors after supporting String Templates

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This commit is contained in:
Andreas Dangel
2023-08-10 12:13:12 +02:00
parent 41643dd020
commit 000f2e86fd
4 changed files with 49 additions and 2 deletions
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10
pmd-java/etc/grammar/Java.jjt
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@ -578,17 +578,23 @@ class JavaParserImpl {
prev.setLastToken(top.getLastToken());
}
/**
/**
* Keeps track during tree construction, whether we are currently building an
* explicit constructor invocation. Then the PrimaryExpression that may prefix
* a qualified super constructor call may not consume "super" tokens.
*/
private boolean inExplicitConstructorInvoc = false;
/**
* Keeps track of the current token context. This is needed to resolve the ambiguities around String Templates:
* A closing bracket (RBRACE) might close a block or might be the start of a STRING_TEMPLATE_MID/END token.
*
* @see <a href="https://openjdk.org/jeps/430">JEP 430: String Templates (Preview)</a>
*/
private Deque<TokenContext> tokenContexts = new ArrayDeque<TokenContext>();
TokenContext determineTokenContext() {
if (tokenContexts.isEmpty()) {
return null;
return TokenContext.BLOCK;
}
return tokenContexts.peek();
}

5
pmd-java/src/test/java/net/sourceforge/pmd/lang/java/ast/Java21TreeDumpTest.java
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@ -122,4 +122,9 @@ class Java21TreeDumpTest extends BaseTreeDumpTest {
void recordPatternsExhaustiveSwitch() {
doTest("RecordPatternsExhaustiveSwitch");
}
@Test
void canParseAnnotationValueInitializers() {
doTest("AnnotationValueInitializers");
}
}

13
pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/ast/jdkversiontests/java21/AnnotationValueInitializers.java Normal file
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@ -0,0 +1,13 @@
/*
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
/*
* Tests parsing after supporting String Templates. "}" is ambiguous.
*/
@MyAnnotation(a = { "a" }, b = "b") // "}" might be recognized as STRING_TEMPLATE_END, but it is not
class AnnotationValueInitializers { }
@MyAnnotation(a = { "a" }, b = "#b") // "}" might be recognized as STRING_TEMPLATE_END, but it is not
class AnnotationValueInitializers2 { }

23
pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/ast/jdkversiontests/java21/AnnotationValueInitializers.txt Normal file
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@ -0,0 +1,23 @@
+- CompilationUnit[@PackageName = ""]
+- ClassOrInterfaceDeclaration[@Abstract = false, @Annotation = false, @Anonymous = false, @BinaryName = "AnnotationValueInitializers", @CanonicalName = "AnnotationValueInitializers", @EffectiveVisibility = Visibility.V_PACKAGE, @Enum = false, @Final = false, @Image = "AnnotationValueInitializers", @Interface = false, @Local = false, @Native = false, @Nested = false, @PackageName = "", @PackagePrivate = true, @Private = false, @Protected = false, @Public = false, @Record = false, @RegularClass = true, @RegularInterface = false, @SimpleName = "AnnotationValueInitializers", @Static = false, @Strictfp = false, @Synchronized = false, @SyntacticallyAbstract = false, @SyntacticallyFinal = false, @SyntacticallyPublic = false, @SyntacticallyStatic = false, @TopLevel = true, @Transient = false, @Visibility = Visibility.V_PACKAGE, @Volatile = false]
| +- ModifierList[]
| | +- Annotation[@AnnotationName = "MyAnnotation", @SimpleName = "MyAnnotation"]
| | +- ClassOrInterfaceType[@ArrayDepth = 0, @ArrayType = false, @ClassOrInterfaceType = true, @FullyQualified = false, @PrimitiveType = false, @ReferenceToClassSameCompilationUnit = false, @SimpleName = "MyAnnotation", @TypeImage = "MyAnnotation"]
| | +- AnnotationMemberList[@Empty = false, @Size = 2]
| | +- MemberValuePair[@Image = "a", @Name = "a", @Shorthand = false]
| | | +- MemberValueArrayInitializer[]
| | | +- StringLiteral[@BooleanLiteral = false, @CharLiteral = false, @CompileTimeConstant = true, @ConstValue = "a", @DoubleLiteral = false, @Empty = false, @Expression = true, @FloatLiteral = false, @Image = "\"a\"", @IntLiteral = false, @Length = 1, @LongLiteral = false, @NullLiteral = false, @NumericLiteral = false, @ParenthesisDepth = 0, @Parenthesized = false, @StringLiteral = true, @TextBlock = false]
| | +- MemberValuePair[@Image = "b", @Name = "b", @Shorthand = false]
| | +- StringLiteral[@BooleanLiteral = false, @CharLiteral = false, @CompileTimeConstant = true, @ConstValue = "b", @DoubleLiteral = false, @Empty = false, @Expression = true, @FloatLiteral = false, @Image = "\"b\"", @IntLiteral = false, @Length = 1, @LongLiteral = false, @NullLiteral = false, @NumericLiteral = false, @ParenthesisDepth = 0, @Parenthesized = false, @StringLiteral = true, @TextBlock = false]
| +- ClassOrInterfaceBody[@Empty = true, @Size = 0]
+- ClassOrInterfaceDeclaration[@Abstract = false, @Annotation = false, @Anonymous = false, @BinaryName = "AnnotationValueInitializers2", @CanonicalName = "AnnotationValueInitializers2", @EffectiveVisibility = Visibility.V_PACKAGE, @Enum = false, @Final = false, @Image = "AnnotationValueInitializers2", @Interface = false, @Local = false, @Native = false, @Nested = false, @PackageName = "", @PackagePrivate = true, @Private = false, @Protected = false, @Public = false, @Record = false, @RegularClass = true, @RegularInterface = false, @SimpleName = "AnnotationValueInitializers2", @Static = false, @Strictfp = false, @Synchronized = false, @SyntacticallyAbstract = false, @SyntacticallyFinal = false, @SyntacticallyPublic = false, @SyntacticallyStatic = false, @TopLevel = true, @Transient = false, @Visibility = Visibility.V_PACKAGE, @Volatile = false]
+- ModifierList[]
| +- Annotation[@AnnotationName = "MyAnnotation", @SimpleName = "MyAnnotation"]
| +- ClassOrInterfaceType[@ArrayDepth = 0, @ArrayType = false, @ClassOrInterfaceType = true, @FullyQualified = false, @PrimitiveType = false, @ReferenceToClassSameCompilationUnit = false, @SimpleName = "MyAnnotation", @TypeImage = "MyAnnotation"]
| +- AnnotationMemberList[@Empty = false, @Size = 2]
| +- MemberValuePair[@Image = "a", @Name = "a", @Shorthand = false]
| | +- MemberValueArrayInitializer[]
| | +- StringLiteral[@BooleanLiteral = false, @CharLiteral = false, @CompileTimeConstant = true, @ConstValue = "a", @DoubleLiteral = false, @Empty = false, @Expression = true, @FloatLiteral = false, @Image = "\"a\"", @IntLiteral = false, @Length = 1, @LongLiteral = false, @NullLiteral = false, @NumericLiteral = false, @ParenthesisDepth = 0, @Parenthesized = false, @StringLiteral = true, @TextBlock = false]
| +- MemberValuePair[@Image = "b", @Name = "b", @Shorthand = false]
| +- StringLiteral[@BooleanLiteral = false, @CharLiteral = false, @CompileTimeConstant = true, @ConstValue = "#b", @DoubleLiteral = false, @Empty = false, @Expression = true, @FloatLiteral = false, @Image = "\"#b\"", @IntLiteral = false, @Length = 2, @LongLiteral = false, @NullLiteral = false, @NumericLiteral = false, @ParenthesisDepth = 0, @Parenthesized = false, @StringLiteral = true, @TextBlock = false]
+- ClassOrInterfaceBody[@Empty = true, @Size = 0]