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Bug 895728 part 4. Fix unions to work with the new boolean/numeric/string setup. r=khuey

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This commit is contained in:
Boris Zbarsky 2013-07-30 10:39:35 -07:00
parent e66bdfb7fb
commit 052e0c5524
4 changed files with 67 additions and 11 deletions
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51
dom/bindings/Codegen.py
View File

@ -2911,18 +2911,44 @@ for (uint32_t i = 0; i < length; ++i) {
else:
templateBody = CGGeneric()
otherMemberTypes = filter(lambda t: t.isString() or t.isEnum(),
memberTypes)
otherMemberTypes.extend(t for t in memberTypes if t.isPrimitive())
if len(otherMemberTypes) > 0:
assert len(otherMemberTypes) == 1
memberType = otherMemberTypes[0]
if memberType.isEnum():
name = memberType.inner.identifier.name
stringTypes = [t for t in memberTypes if t.isString() or t.isEnum()]
numericTypes = [t for t in memberTypes if t.isNumeric()]
booleanTypes = [t for t in memberTypes if t.isBoolean()]
if stringTypes or numericTypes or booleanTypes:
assert len(stringTypes) <= 1
assert len(numericTypes) <= 1
assert len(booleanTypes) <= 1
# We will wrap all this stuff in a do { } while (0); so we
# can use "break" for flow control.
def getStringOrPrimitiveConversion(memberType):
if memberType.isEnum():
name = memberType.inner.identifier.name
else:
name = memberType.name
return CGGeneric("done = (failed = !%s.TrySetTo%s(cx, ${val}, ${mutableVal}, tryNext)) || !tryNext;\n"
"break;" % (unionArgumentObj, name))
other = CGList([], "\n")
stringConversion = map(getStringOrPrimitiveConversion, stringTypes)
numericConversion = map(getStringOrPrimitiveConversion, numericTypes)
booleanConversion = map(getStringOrPrimitiveConversion, booleanTypes)
if stringConversion:
if booleanConversion:
other.append(CGIfWrapper(booleanConversion[0],
"${val}.isBoolean()"))
if numericConversion:
other.append(CGIfWrapper(numericConversion[0],
"${val}.isNumber()"))
other.append(stringConversion[0])
elif numericConversion:
if booleanConversion:
other.append(CGIfWrapper(booleanConversion[0],
"${val}.isBoolean()"))
other.append(numericConversion[0])
else:
name = memberType.name
other = CGGeneric("done = (failed = !%s.TrySetTo%s(cx, ${val}, ${mutableVal}, tryNext)) || !tryNext;" % (unionArgumentObj, name))
names.append(name)
assert booleanConversion
other.append(booleanConversion[0])
other = CGWrapper(CGIndenter(other), pre="do {\n", post="\n} while (0);")
if hasObjectTypes:
other = CGWrapper(CGIndenter(other), "{\n", post="\n}")
if object:
@ -2931,6 +2957,9 @@ for (uint32_t i = 0; i < length; ++i) {
other = CGWrapper(other, pre="if (!done) ")
join = "\n"
templateBody = CGList([templateBody, other], join)
else:
assert templateBody.define() == ""
templateBody = other
else:
other = None

9
dom/bindings/test/TestCodeGen.webidl
View File

@ -435,6 +435,15 @@ interface TestInterface {
// Union types
void passUnion((object or long) arg);
// Commented out tests 2-9 to avoid creating all those unused union types
/* void passUnion2((long or boolean) arg);
void passUnion3((object or long or boolean) arg);
void passUnion4((Node or long or boolean) arg);
void passUnion5((object or boolean) arg);
void passUnion6((object or DOMString) arg);
void passUnion7((object or DOMString or long) arg);
void passUnion8((object or DOMString or boolean) arg);
void passUnion9((object or DOMString or long or boolean) arg); */
void passUnionWithNullable((object? or long) arg);
void passNullableUnion((object or long)? arg);
void passOptionalUnion(optional (object or long) arg);

9
dom/bindings/test/TestExampleGen.webidl
View File

@ -331,6 +331,15 @@ interface TestExampleInterface {
// Union types
void passUnion((object or long) arg);
// Commented out tests 2-9 to avoid creating all those unused union types
/* void passUnion2((long or boolean) arg);
void passUnion3((object or long or boolean) arg);
void passUnion4((Node or long or boolean) arg);
void passUnion5((object or boolean) arg);
void passUnion6((object or DOMString) arg);
void passUnion7((object or DOMString or long) arg);
void passUnion8((object or DOMString or boolean) arg);
void passUnion9((object or DOMString or long or boolean) arg); */
void passUnionWithNullable((object? or long) arg);
void passNullableUnion((object or long)? arg);
void passOptionalUnion(optional (object or long) arg);

9
dom/bindings/test/TestJSImplGen.webidl
View File

@ -353,6 +353,15 @@ interface TestJSImplInterface {
// Union types
void passUnion((object or long) arg);
// Commented out tests 2-9 to avoid creating all those unused union types
/* void passUnion2((long or boolean) arg);
void passUnion3((object or long or boolean) arg);
void passUnion4((Node or long or boolean) arg);
void passUnion5((object or boolean) arg);
void passUnion6((object or DOMString) arg);
void passUnion7((object or DOMString or long) arg);
void passUnion8((object or DOMString or boolean) arg);
void passUnion9((object or DOMString or long or boolean) arg); */
void passUnionWithNullable((object? or long) arg);
// FIXME: Bug 863948 Nullable unions not supported yet
// void passNullableUnion((object or long)? arg);