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Code Issues Wiki Activity

Bug 408470 - Introduce static ProblemType instances for more problem types

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Change-Id: Ib025e61aaf70f68bfe655527add2c441b9f647d7
This commit is contained in:
Nathan Ridge 2017-02-26 14:34:15 -05:00
parent 882f8e95a9
commit 88e19bfee6
2 changed files with 19 additions and 15 deletions
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8
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/ProblemType.java
View file

@ -20,10 +20,14 @@ import org.eclipse.core.runtime.CoreException;
* Implementation of problem types.
*/
public class ProblemType implements IProblemType, ISerializableType {
public static final IType UNRESOLVED_NAME = new ProblemType(TYPE_UNRESOLVED_NAME);
public static final IType UNKNOWN_FOR_EXPRESSION = new ProblemType(TYPE_UNKNOWN_FOR_EXPRESSION);
public static final IType AUTO_FOR_NON_STATIC_FIELD = new ProblemType(TYPE_AUTO_FOR_NON_STATIC_FIELD);
public static final IType CANNOT_DEDUCE_AUTO_TYPE = new ProblemType(TYPE_CANNOT_DEDUCE_AUTO_TYPE);
public static final IType CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE = new ProblemType(TYPE_CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE);
public static final IType ENUMERATION_EXPECTED = new ProblemType(TYPE_ENUMERATION_EXPECTED);
public static final IType NO_NAME = new ProblemType(TYPE_NO_NAME);
public static final IType RECURSION_IN_LOOKUP = new ProblemType(BINDING_RECURSION_IN_LOOKUP);
public static final IType UNKNOWN_FOR_EXPRESSION = new ProblemType(TYPE_UNKNOWN_FOR_EXPRESSION);
public static final IType UNRESOLVED_NAME = new ProblemType(TYPE_UNRESOLVED_NAME);
private final int fID;

26
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
View file

@ -2040,7 +2040,7 @@ public class CPPVisitor extends ASTQueries {
public static IType createType(IASTDeclarator declarator) {
if (declarator == null)
return new ProblemType(ISemanticProblem.TYPE_NO_NAME);
return ProblemType.NO_NAME;
declarator= findOutermostDeclarator(declarator);
IASTNode parent = declarator.getParent();
@ -2101,7 +2101,7 @@ public class CPPVisitor extends ASTQueries {
if (initializerClause instanceof IASTExpression) {
return getDeclType((IASTExpression) initializerClause);
}
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_DECLTYPE_AUTO_TYPE;
}
private static IASTInitializerClause getInitializerClauseForDecltypeAuto(IASTDeclarator declarator) {
@ -2135,7 +2135,7 @@ public class CPPVisitor extends ASTQueries {
Set<IASTDeclSpecifier> recursionProtectionSet = autoTypeDeclSpecs.get();
if (!recursionProtectionSet.add(declSpec)) {
// Detected a self referring auto type, e.g.: auto x = x;
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
try {
@ -2179,7 +2179,7 @@ public class CPPVisitor extends ASTQueries {
beginExpr= new CPPASTFunctionCallExpression(new CPPASTIdExpression(name), beginCallArguments);
}
} else {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
}
autoInitClause= new CPPASTUnaryExpression(IASTUnaryExpression.op_star, beginExpr);
@ -2188,7 +2188,7 @@ public class CPPVisitor extends ASTQueries {
} else if (parent instanceof IASTCompositeTypeSpecifier &&
declSpec.getStorageClass() != IASTDeclSpecifier.sc_static) {
// Non-static auto-typed class members are not allowed.
return new ProblemType(ISemanticProblem.TYPE_AUTO_FOR_NON_STATIC_FIELD);
return ProblemType.AUTO_FOR_NON_STATIC_FIELD;
} else {
IASTInitializer initClause= declarator.getInitializer();
if (initClause instanceof IASTEqualsInitializer) {
@ -2211,7 +2211,7 @@ public class CPPVisitor extends ASTQueries {
IASTDeclarator declarator) {
// C++0x: 7.1.6.4
if (initClause == null) {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
IType type = AutoTypeResolver.AUTO_TYPE;
@ -2221,12 +2221,12 @@ public class CPPVisitor extends ASTQueries {
if (initClause instanceof ICPPASTInitializerList) {
initializer_list_template = get_initializer_list(declSpec);
if (initializer_list_template == null) {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
type = (IType) CPPTemplates.instantiate(initializer_list_template,
new ICPPTemplateArgument[] { new CPPTemplateTypeArgument(type) }, initClause);
if (type instanceof IProblemBinding) {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
}
type = decorateType(type, declSpec, declarator);
@ -2234,7 +2234,7 @@ public class CPPVisitor extends ASTQueries {
initType= evaluation.getType(declarator);
valueCat= evaluation.getValueCategory(declarator);
if (initType == null || initType instanceof ISemanticProblem) {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
ICPPFunctionTemplate template = new AutoTypeResolver(type);
CPPTemplateParameterMap paramMap = new CPPTemplateParameterMap(1);
@ -2242,7 +2242,7 @@ public class CPPVisitor extends ASTQueries {
Collections.singletonList(valueCat), paramMap, initClause);
ICPPTemplateArgument argument = paramMap.getArgument(0, 0);
if (argument == null) {
return new ProblemType(ISemanticProblem.TYPE_CANNOT_DEDUCE_AUTO_TYPE);
return ProblemType.CANNOT_DEDUCE_AUTO_TYPE;
}
type = argument.getTypeValue();
IType t = SemanticUtil.substituteTypedef(type, initType);
@ -2261,7 +2261,7 @@ public class CPPVisitor extends ASTQueries {
private static IType createAutoFunctionType(IASTDeclSpecifier declSpec, ICPPASTFunctionDeclarator declarator) {
IASTTypeId id= declarator.getTrailingReturnType();
if (id == null)
return new ProblemType(ISemanticProblem.TYPE_NO_NAME);
return ProblemType.NO_NAME;
IType t= createType(id.getAbstractDeclarator());
t= qualifyType(t, declSpec);
@ -2297,7 +2297,7 @@ public class CPPVisitor extends ASTQueries {
throw new IllegalArgumentException();
}
if (name == null)
return new ProblemType(ISemanticProblem.TYPE_NO_NAME);
return ProblemType.NO_NAME;
IBinding binding = name.resolvePreBinding();
if (!(binding instanceof IProblemBinding)) {
@ -2307,7 +2307,7 @@ public class CPPVisitor extends ASTQueries {
if (binding instanceof IType)
return (IType) binding;
}
return new ProblemType(ISemanticProblem.TYPE_UNRESOLVED_NAME);
return ProblemType.UNRESOLVED_NAME;
}
private static IType decorateType(IType type, IASTDeclSpecifier declSpec, IASTDeclarator declarator) {