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Code Issues Wiki Activity

Adjustment of parameter types, bug 239975.

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This commit is contained in:
Markus Schorn 2008-07-09 09:13:48 +00:00
parent 0b6a51224f
commit eba71c1297
5 changed files with 74 additions and 40 deletions
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3
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPSpecTest.java
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@ -3943,7 +3943,8 @@ public class AST2CPPSpecTest extends AST2SpecBaseTest {
// int f (int) { } // definition of f(int)
// int f (cInt) { } // error: redefinition of f(int)
public void test12_8s3e() throws Exception {
parse(getAboveComment(), ParserLanguage.CPP, true, 0);
String[] problems= {"f"};
parse(getAboveComment(), ParserLanguage.CPP, problems);
}
// void f (int i, int j);

15
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
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@ -5938,4 +5938,19 @@ public class AST2CPPTests extends AST2BaseTest {
parseAndCheckBindings(getAboveComment(), ParserLanguage.CPP);
}
// typedef char t[12];
// void test1(char *);
// void test2(char []);
// void test3(t);
// void xx() {
// char* x= 0;
// test1(x);
// test2(x); // problem binding here
// test3(x); // problem binding here
// }
public void testAdjustmentOfParameterTypes_Bug239975() throws Exception {
parseAndCheckBindings(getAboveComment(), ParserLanguage.CPP);
}
}

17
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/internal/index/tests/IndexCPPBindingResolutionBugs.java
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@ -847,4 +847,21 @@ public class IndexCPPBindingResolutionBugs extends IndexBindingResolutionTestBas
assertTrue(bar_c_ft.isConst()); assertTrue(!bar_c_ft.isVolatile());
assertTrue(!bar_ft.isConst()); assertTrue(!bar_ft.isVolatile());
}
// typedef char t[12];
// void test1(char *);
// void test2(char []);
// void test3(t);
// void xx() {
// char* x= 0;
// test1(x);
// test2(x); // problem binding here
// test3(x); // problem binding here
// }
public void testAdjustmentOfParameterTypes_Bug239975() throws Exception {
getBindingFromASTName("test1(x)", 5, ICPPFunction.class);
getBindingFromASTName("test2(x)", 5, ICPPFunction.class);
getBindingFromASTName("test3(x)", 5, ICPPFunction.class);
}
}

23
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPSemantics.java
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@ -1927,14 +1927,16 @@ public class CPPSemantics {
}
static private IType[] getTargetParameterTypes(IFunction fn) throws DOMException{
IParameter[] params = fn.getParameters();
final ICPPFunctionType ftype = (ICPPFunctionType) fn.getType();
if (ftype == null)
return IType.EMPTY_TYPE_ARRAY;
boolean useImplicit = (fn instanceof ICPPMethod && !(fn instanceof ICPPConstructor));
IType[] result = new IType[useImplicit ? params.length + 1 : params.length];
final IType[] ptypes= ftype.getParameterTypes();
if (fn instanceof ICPPMethod == false || fn instanceof ICPPConstructor)
return ptypes;
if (useImplicit) {
ICPPFunctionType ftype = (ICPPFunctionType) ((ICPPFunction)fn).getType();
if (ftype != null) {
final IType[] result = new IType[ptypes.length + 1];
System.arraycopy(ptypes, 0, result, 1, ptypes.length);
IScope scope = fn.getScope();
if (scope instanceof ICPPTemplateScope)
scope = scope.getParent();
@ -1953,14 +1955,7 @@ public class CPPSemantics {
if (ftype.isConst() || ftype.isVolatile()) {
implicitType = new CPPQualifierType(implicitType, ftype.isConst(), ftype.isVolatile());
}
implicitType = new CPPReferenceType(implicitType);
result[0] = implicitType;
}
}
for (IParameter param : params)
result = (IType[]) ArrayUtil.append(IType.class, result, param.getType());
result[0]= new CPPReferenceType(implicitType);
return result;
}

20
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPVisitor.java
View file

@ -1510,27 +1510,33 @@ public class CPPVisitor {
pt = createType(pDeclSpec);
pt = createType(pt, pDtor);
// bug 239975
IType noTypedef= SemanticUtil.getUltimateTypeViaTypedefs(pt);
//8.3.5-3
//Any cv-qualifier modifying a parameter type is deleted.
//so only create the base type from the declspec and not the qualifiers
try {
if (pt instanceof IQualifierType) {
pt= ((IQualifierType) pt).getType();
if (noTypedef instanceof IQualifierType) {
pt= ((IQualifierType) noTypedef).getType();
noTypedef= SemanticUtil.getUltimateTypeViaTypedefs(pt);
}
if (pt instanceof CPPPointerType) {
pt= ((CPPPointerType) pt).stripQualifiers();
if (noTypedef instanceof CPPPointerType) {
pt= ((CPPPointerType) noTypedef).stripQualifiers();
noTypedef= SemanticUtil.getUltimateTypeViaTypedefs(pt);
}
//any parameter of type array of T is adjusted to be pointer to T
if (pt instanceof IArrayType) {
IArrayType at = (IArrayType) pt;
if (noTypedef instanceof IArrayType) {
IArrayType at = (IArrayType) noTypedef;
pt = new CPPPointerType(at.getType());
noTypedef= SemanticUtil.getUltimateTypeViaTypedefs(pt);
}
} catch (DOMException e) {
pt = e.getProblem();
}
//any parameter to type function returning T is adjusted to be pointer to function
if (pt instanceof IFunctionType) {
if (noTypedef instanceof IFunctionType) {
pt = new CPPPointerType(pt);
}