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Cosmetics.

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This commit is contained in:
Sergey Prigogin 2015-03-07 23:42:15 -08:00
parent acbd1e14f8
commit 7020c95a8b
1 changed files with 25 additions and 30 deletions
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55
codan/org.eclipse.cdt.codan.core.cxx/src/org/eclipse/cdt/codan/core/cxx/CxxAstUtils.java
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@ -59,7 +59,7 @@ import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.core.runtime.CoreException;
/**
* Useful functions for doing code analysis on c/c++ AST
* Useful functions for doing code analysis on C/C++ AST.
*/
public final class CxxAstUtils {
public static class NameFinderVisitor extends ASTVisitor {
@ -102,10 +102,11 @@ public final class CxxAstUtils {
try {
while (typeName instanceof ITypedef) {
IType t = ((ITypedef) typeName).getType();
if (t instanceof IBinding)
if (t instanceof IBinding) {
typeName = (IBinding) t;
else
} else {
return t;
}
}
} catch (Exception e) { // in CDT 6.0 getType throws DOMException
Activator.log(e);
@ -145,33 +146,32 @@ public final class CxxAstUtils {
}
/**
* @param astName
* a name for the declaration
* @param factory
* the factory
* @param index
* @return
* @param astName the name for the declaration
* @param factory the factory
* @param index the index
* @return the created declaration
*/
public static IASTDeclaration createDeclaration(IASTName astName, INodeFactory factory, IIndex index) {
// Depending on context, either a type or a declaration is easier to
// infer
// Depending on context, either a type or a declaration is easier to infer.
IType inferredType = null;
IASTSimpleDeclaration declaration = null;
inferredType = tryInferTypeFromBinaryExpr(astName);
if (inferredType == null)
declaration = tryInferTypeFromFunctionCall(astName, factory, index);
// After the inference, create the statement is needed
if (declaration != null) { // A declaration was generated
// After the inference, create the statement is needed.
if (declaration != null) {
// A declaration was generated.
return declaration;
} else if (inferredType != null) { // A type was inferred, create the
// declaration and return it
} else if (inferredType != null) {
// A type was inferred, create the declaration and return it.
DeclarationGenerator generator = DeclarationGenerator.create(factory);
IASTDeclarator declarator = generator.createDeclaratorFromType(inferredType, astName.toCharArray());
IASTDeclSpecifier declspec = generator.createDeclSpecFromType(inferredType);
IASTSimpleDeclaration simpleDeclaration = factory.newSimpleDeclaration(declspec);
simpleDeclaration.addDeclarator(declarator);
return simpleDeclaration;
} else { // Fallback - return a `void` declaration
} else {
// Fallback - return a `void` declaration.
IASTDeclarator declarator = factory.newDeclarator(astName.copy(CopyStyle.withLocations));
IASTSimpleDeclSpecifier declspec = factory.newSimpleDeclSpecifier();
declspec.setType(Kind.eInt);
@ -192,7 +192,7 @@ public final class CxxAstUtils {
IASTNode binaryExpr = astName.getParent().getParent();
for (IASTNode node : binaryExpr.getChildren()) {
if (node != astName.getParent()) {
// use this expression as type source
// Use this expression as type source.
return ((IASTExpression) node).getExpressionType();
}
}
@ -239,7 +239,7 @@ public final class CxxAstUtils {
}
try {
index.acquireReadLock();
Set<IIndexName> declSet = new HashSet<IIndexName>();
Set<IIndexName> declSet = new HashSet<>();
// fill declSet with proper declarations
for (IBinding b : bindings) {
if (b instanceof IFunction) {
@ -251,7 +251,7 @@ public final class CxxAstUtils {
}
}
}
HashMap<ITranslationUnit, IASTTranslationUnit> astCache = new HashMap<ITranslationUnit, IASTTranslationUnit>();
HashMap<ITranslationUnit, IASTTranslationUnit> astCache = new HashMap<>();
for (IIndexName decl : declSet) {
// for now, just use the first overload found
ITranslationUnit tu = getTranslationUnitFromIndexName(decl);
@ -260,7 +260,7 @@ public final class CxxAstUtils {
}
IASTTranslationUnit ast = null;
if(astCache.containsKey(tu)) {
if (astCache.containsKey(tu)) {
ast = astCache.get(tu);
} else {
ast = tu.getAST(index, ITranslationUnit.AST_SKIP_INDEXED_HEADERS);
@ -328,9 +328,9 @@ public final class CxxAstUtils {
* @return Either a type specifier or null
*/
public static IASTCompositeTypeSpecifier getCompositeTypeFromFunction(final IASTFunctionDefinition function, final IIndex index) {
// return value to be set via visitor
// Return value to be set via visitor.
final IASTCompositeTypeSpecifier returnSpecifier[] = { null };
final HashMap<ITranslationUnit, IASTTranslationUnit> astCache = new HashMap<ITranslationUnit, IASTTranslationUnit>();
final HashMap<ITranslationUnit, IASTTranslationUnit> astCache = new HashMap<>();
function.accept(new ASTVisitor() {
{
shouldVisitDeclarators = true;
@ -342,8 +342,7 @@ public final class CxxAstUtils {
if (!(name instanceof ICPPASTQualifiedName && name.getParent().getParent() == function))
return PROCESS_CONTINUE;
ICPPASTQualifiedName qname = (ICPPASTQualifiedName) name;
// A qualified name may have 1 name, but in our case needs to
// have 2.
// A qualified name may have 1 name, but in our case needs to have 2.
// The pre-last name is either a namespace or a class.
if (qname.getChildren().length < 2) {
return PROCESS_CONTINUE;
@ -388,10 +387,6 @@ public final class CxxAstUtils {
return returnSpecifier[0];
}
/**
* @param body
* @return
*/
public static boolean isThrowStatement(IASTNode body) {
if (!(body instanceof IASTExpressionStatement))
return false;
@ -409,10 +404,10 @@ public final class CxxAstUtils {
return false;
IASTExpression functionNameExpression = ((IASTFunctionCallExpression) expression).getFunctionNameExpression();
if (functionNameExpression instanceof IASTIdExpression) {
IASTName name = ((IASTIdExpression)functionNameExpression).getName();
IASTName name = ((IASTIdExpression) functionNameExpression).getName();
IBinding binding = name.resolveBinding();
if (binding!=null && binding instanceof IFunction && ((IFunction)binding).isNoReturn()) {
if (binding != null && binding instanceof IFunction && ((IFunction) binding).isNoReturn()) {
return true;
}
}