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Code Issues Wiki Activity

Bug 444577 - __int128_t / __uint128_t not supported (GCC)

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Change-Id: I3213c7a6ad034c2fac2c96d2e9f88c38d101ed09
This commit is contained in:
Sergey Prigogin 2017-03-29 17:59:29 -07:00
parent 4f70ea542a
commit 9763d3b058
2 changed files with 24 additions and 4 deletions
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13
core/org.eclipse.cdt.core.tests/parser/org/eclipse/cdt/core/parser/tests/ast2/AST2CPPTests.java
View file

@ -11183,6 +11183,19 @@ public class AST2CPPTests extends AST2TestBase {
parseAndCheckBindings(getAboveComment(), CPP, true);
}
// // __int128_t and __uint128_t are available but are not keywords.
// void a() {
// __int128_t s;
// __uint128_t t;
// }
// void b() {
// int __int128_t;
// int __uint128_t;
// }
public void testGCCIntBuiltins_444577() throws Exception {
parseAndCheckBindings(getAboveComment(), CPP, true);
}
// template <typename T>
// struct underlying_type {
// typedef __underlying_type(T) type;

15
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/parser/GCCBuiltinSymbolProvider.java
View file

@ -84,8 +84,8 @@ public class GCCBuiltinSymbolProvider implements IBuiltinBindingsProvider {
private void initialize() {
// Symbols for all parsers
fTypeMap= new HashMap<String, IType>();
fBindingList= new ArrayList<IBinding>();
fTypeMap= new HashMap<>();
fBindingList= new ArrayList<>();
addStdBuiltins();
if (fGnu) {
addGnuBuiltins();
@ -103,6 +103,10 @@ public class GCCBuiltinSymbolProvider implements IBuiltinBindingsProvider {
}
private void addGnuBuiltins() {
// Undocumented GCC built-ins also supported by Clang.
typedef("__int128", "__int128_t");
typedef("unsigned __int128", "__uint128_t");
// Used in stdtypes.h, mentioned in the manual but not defined in there.
typedef("va_list", "__builtin_va_list");
function("void*", "__builtin_va_start", "va_list", "...");
@ -501,13 +505,13 @@ public class GCCBuiltinSymbolProvider implements IBuiltinBindingsProvider {
private IType createType(final String type) {
String tstr= type;
if (fCpp && tstr.endsWith("&")) {
final String nested = tstr.substring(0, tstr.length()-1).trim();
final String nested = tstr.substring(0, tstr.length() - 1).trim();
return new CPPReferenceType(toType(nested), false);
}
if (tstr.equals("FILE*")) {
return toType("void*");
} else if (tstr.endsWith("*")) {
final String nested = tstr.substring(0, tstr.length()-1).trim();
final String nested = tstr.substring(0, tstr.length() - 1).trim();
final IType nt= toType(nested);
return fCpp ? new CPPPointerType(nt) : new CPointerType(nt, 0);
}
@ -557,6 +561,9 @@ public class GCCBuiltinSymbolProvider implements IBuiltinBindingsProvider {
} else if (tstr.equals("int")) {
Kind kind = Kind.eInt;
t = fCpp ? new CPPBasicType(kind, q) : new CBasicType(kind, q);
} else if (tstr.equals("__int128")) {
Kind kind = Kind.eInt128;
t = fCpp ? new CPPBasicType(kind, q) : new CBasicType(kind, q);
} else if (tstr.equals("float")) {
Kind kind = Kind.eFloat;
t = fCpp ? new CPPBasicType(kind, q) : new CBasicType(kind, q);