Files
swift-mirror/unittests/Syntax/DeclSyntaxTests.cpp
Xi Ge 9ddd60d4ef libSyntax: create syntax nodes for closure signature. (#13415)
This patch also refactors the structure of function signature node so
that closure signature can re-use parts of function signature. For
instance, we group arrow and return type to be "ReturnClause". And we
group parenthesized parameter list to be "ParamClause".

This structure of closure signature also calls for a good way to
represent either-or node in libSyntax APIs, since we've two ways to
specify parameters in closure: one is as regular function parameter and
the other is dot-separated simple names.
2017-12-13 16:48:24 -08:00

596 lines
22 KiB
C++

#include "swift/Syntax/SyntaxFactory.h"
#include "swift/Syntax/SyntaxNodes.h"
#include "swift/Syntax/SyntaxBuilders.h"
#include "llvm/ADT/SmallString.h"
#include "gtest/gtest.h"
using llvm::None;
using llvm::SmallString;
using namespace swift;
using namespace swift::syntax;
#pragma mark - declaration-modifier
DeclModifierSyntax getCannedDeclModifier() {
auto Private = SyntaxFactory::makeIdentifier("private", {}, {});
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Set = SyntaxFactory::makeIdentifier("set", {}, {});
auto RParen = SyntaxFactory::makeRightParenToken({}, {});
return SyntaxFactory::makeDeclModifier(Private,
SyntaxFactory::makeTokenList({ LParen, Set, RParen}));
}
TEST(DeclSyntaxTests, DeclModifierMakeAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankDeclModifier().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
SmallString<24> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedDeclModifier().print(OS);
ASSERT_EQ(OS.str().str(), "private(set)");
}
}
TEST(DeclSyntaxTests, DeclModifierGetAPIs) {
auto Private = SyntaxFactory::makeIdentifier("private", {}, {});
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Set = SyntaxFactory::makeIdentifier("set", {}, {});
auto RParen = SyntaxFactory::makeRightParenToken({}, {});
auto Mod = SyntaxFactory::makeDeclModifier(Private,
SyntaxFactory::makeTokenList({LParen, Set, RParen}));
ASSERT_EQ(Private.getRaw(), Mod.getName().getRaw());
ASSERT_EQ(LParen.getRaw(), Mod.getDetail()[0].getRaw());
ASSERT_EQ(Set.getRaw(), Mod.getDetail()[1].getRaw());
ASSERT_EQ(RParen.getRaw(), Mod.getDetail()[2].getRaw());
}
TEST(DeclSyntaxTests, DeclModifierWithAPIs) {
auto Private = SyntaxFactory::makeIdentifier("private", {}, {});
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Set = SyntaxFactory::makeIdentifier("set", {}, {});
auto RParen = SyntaxFactory::makeRightParenToken({}, {});
SmallString<24> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankDeclModifier()
.withName(Private)
.withDetail(SyntaxFactory::makeTokenList({LParen, Set, RParen}))
.print(OS);
ASSERT_EQ(OS.str().str(), "private(set)");
}
#pragma mark - typealias-decl
TEST(DeclSyntaxTests, TypealiasMakeAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankTypealiasDecl().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
SmallString<64> Scratch;
llvm::raw_svector_ostream OS(Scratch);
auto Typealias =
SyntaxFactory::makeTypealiasKeyword({}, { Trivia::spaces(1) });
auto Subsequence = SyntaxFactory::makeIdentifier("MyCollection", {}, {});
auto ElementName = SyntaxFactory::makeIdentifier("Element", {}, {});
auto ElementParam =
SyntaxFactory::makeGenericParameter(None, ElementName, None, None, None);
auto LeftAngle = SyntaxFactory::makeLeftAngleToken({}, {});
auto RightAngle = SyntaxFactory::makeRightAngleToken({}, Trivia::spaces(1));
auto GenericParams = GenericParameterClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(RightAngle)
.addGenericParameter(ElementParam)
.build();
auto Assignment = SyntaxFactory::makeEqualToken({}, { Trivia::spaces(1) });
auto ElementType = SyntaxFactory::makeTypeIdentifier("Element", {}, {});
auto ElementArg = SyntaxFactory::makeGenericArgument(ElementType, None);
auto GenericArgs = GenericArgumentClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(SyntaxFactory::makeRightAngleToken({}, {}))
.addGenericArgument(ElementArg)
.build();
auto Array = SyntaxFactory::makeIdentifier("Array", {}, {});
auto Array_Int =
SyntaxFactory::makeSimpleTypeIdentifier(Array, GenericArgs);
SyntaxFactory::makeTypealiasDecl(None, None, Typealias,
Subsequence, GenericParams,
Assignment, Array_Int)
.print(OS);
ASSERT_EQ(OS.str().str(),
"typealias MyCollection<Element> = Array<Element>");
}
}
TEST(DeclSyntaxTests, TypealiasWithAPIs) {
auto Typealias =
SyntaxFactory::makeTypealiasKeyword({}, { Trivia::spaces(1) });
auto MyCollection = SyntaxFactory::makeIdentifier("MyCollection", {}, {});
auto ElementName = SyntaxFactory::makeIdentifier("Element", {}, {});
auto ElementParam =
SyntaxFactory::makeGenericParameter(None, ElementName, None, None, None);
auto LeftAngle = SyntaxFactory::makeLeftAngleToken({}, {});
auto RightAngle =
SyntaxFactory::makeRightAngleToken({}, { Trivia::spaces(1) });
auto GenericParams = GenericParameterClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(RightAngle)
.addGenericParameter(ElementParam)
.build();
auto Equal = SyntaxFactory::makeEqualToken({}, { Trivia::spaces(1) });
auto ElementType = SyntaxFactory::makeTypeIdentifier("Element", {} , {});
auto ElementArg = SyntaxFactory::makeGenericArgument(ElementType, None);
auto GenericArgs = GenericArgumentClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(SyntaxFactory::makeRightAngleToken({}, {}))
.addGenericArgument(ElementArg)
.build();
auto Array = SyntaxFactory::makeIdentifier("Array", {}, {});
auto Array_Int = SyntaxFactory::makeSimpleTypeIdentifier(Array, GenericArgs);
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankTypealiasDecl()
.withTypealiasKeyword(Typealias)
.withIdentifier(MyCollection)
.withGenericParameterClause(GenericParams)
.withEquals(Equal)
.withType(Array_Int)
.print(OS);
ASSERT_EQ(OS.str().str(),
"typealias MyCollection<Element> = Array<Element>");
}
}
TEST(DeclSyntaxTests, TypealiasBuilderAPIs) {
SmallString<64> Scratch;
llvm::raw_svector_ostream OS(Scratch);
auto Typealias =
SyntaxFactory::makeTypealiasKeyword({}, { Trivia::spaces(1) });
auto MyCollection = SyntaxFactory::makeIdentifier("MyCollection", {}, {});
auto ElementName = SyntaxFactory::makeIdentifier("Element", {}, {});
auto ElementParam = SyntaxFactory::makeGenericParameter(ElementName, None);
auto LeftAngle = SyntaxFactory::makeLeftAngleToken({}, {});
auto RightAngle =
SyntaxFactory::makeRightAngleToken({}, { Trivia::spaces(1) });
auto GenericParams = GenericParameterClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(RightAngle)
.addGenericParameter(ElementParam)
.build();
auto Equal =
SyntaxFactory::makeEqualToken({}, { Trivia::spaces(1) });
auto ElementType = SyntaxFactory::makeTypeIdentifier("Element", {}, {});
auto ElementArg = SyntaxFactory::makeGenericArgument(ElementType, None);
auto GenericArgs = GenericArgumentClauseSyntaxBuilder()
.useLeftAngleBracket(LeftAngle)
.useRightAngleBracket(SyntaxFactory::makeRightAngleToken({}, {}))
.addGenericArgument(ElementArg)
.build();
auto Array = SyntaxFactory::makeIdentifier("Array", {}, {});
auto Array_Int = SyntaxFactory::makeSimpleTypeIdentifier(Array, GenericArgs);
TypealiasDeclSyntaxBuilder()
.useTypealiasKeyword(Typealias)
.useIdentifier(MyCollection)
.useGenericParameterClause(GenericParams)
.useEquals(Equal)
.useType(Array_Int)
.build()
.print(OS);
ASSERT_EQ(OS.str().str(),
"typealias MyCollection<Element> = Array<Element>");
}
#pragma mark - parameter
FunctionParameterSyntax getCannedFunctionParameter() {
auto ExternalName = SyntaxFactory::makeIdentifier("with", {},
Trivia::spaces(1));
auto LocalName = SyntaxFactory::makeIdentifier("radius", {}, {});
auto Colon = SyntaxFactory::makeColonToken({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {},
Trivia::spaces(1));
auto IntAnnotation = SyntaxFactory::makeTypeAnnotation({}, None, Int);
auto NoEllipsis = TokenSyntax::missingToken(tok::identifier, "...");
auto Equal = SyntaxFactory::makeEqualToken({}, Trivia::spaces(1));
auto Sign = SyntaxFactory::makePrefixOperator("-", {}, {});
auto OneDigits = SyntaxFactory::makeIntegerLiteral("1", {}, {});
auto One = SyntaxFactory::makePrefixOperatorExpr(Sign,
SyntaxFactory::makeIntegerLiteralExpr(OneDigits));
auto Comma = SyntaxFactory::makeCommaToken({}, Trivia::spaces(1));
return SyntaxFactory::makeFunctionParameter(None, ExternalName, LocalName, Colon,
Int, NoEllipsis, Equal,
One, Comma);
}
TEST(DeclSyntaxTests, FunctionParameterMakeAPIs) {
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedFunctionParameter().print(OS);
ASSERT_EQ(OS.str().str(), "with radius: Int = -1, ");
}
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionParameter().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
}
TEST(DeclSyntaxTests, FunctionParameterGetAPIs) {
auto ExternalName = SyntaxFactory::makeIdentifier("with", {},
Trivia::spaces(1));
auto LocalName = SyntaxFactory::makeIdentifier("radius", {}, {});
auto Colon = SyntaxFactory::makeColonToken({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {},
Trivia::spaces(1));
auto IntAnnotation = SyntaxFactory::makeTypeAnnotation({}, None, Int);
auto NoEllipsis = TokenSyntax::missingToken(tok::identifier, "...");
auto Equal = SyntaxFactory::makeEqualToken({}, Trivia::spaces(1));
auto Sign = SyntaxFactory::makePrefixOperator("-", {}, {});
auto OneDigits = SyntaxFactory::makeIntegerLiteral("1", {}, {});
auto One = SyntaxFactory::makePrefixOperatorExpr(Sign,
SyntaxFactory::makeIntegerLiteralExpr(OneDigits));
auto Comma = SyntaxFactory::makeCommaToken({}, {});
auto Param = SyntaxFactory::makeFunctionParameter(None, ExternalName, LocalName,
Colon, Int,
NoEllipsis, Equal, One,
Comma);
ASSERT_EQ(ExternalName.getRaw(), Param.getFirstName().getRaw());
ASSERT_EQ(LocalName.getRaw(), Param.getSecondName()->getRaw());
ASSERT_EQ(Colon.getRaw(), Param.getColon().getRaw());
auto GottenType = Param.getTypeAnnotation();
auto GottenType2 = Param.getTypeAnnotation();
ASSERT_TRUE(GottenType.hasSameIdentityAs(GottenType2));
ASSERT_EQ(Equal.getRaw(), Param.getDefaultEquals()->getRaw());
auto GottenDefaultValue = Param.getDefaultValue().getValue();
auto GottenDefaultValue2 = Param.getDefaultValue().getValue();
ASSERT_TRUE(GottenDefaultValue.hasSameIdentityAs(GottenDefaultValue2));
ASSERT_EQ(Comma.getRaw(), Param.getTrailingComma()->getRaw());
// Test that llvm::None is returned for non-token missing children:
auto Decimated = Param
.withTypeAnnotation(llvm::None)
.withDefaultValue(llvm::None);
ASSERT_TRUE(Decimated.getTypeAnnotation().isMissing());
ASSERT_FALSE(Decimated.getDefaultValue().hasValue());
}
TEST(DeclSyntaxTests, FunctionParameterWithAPIs) {
auto ExternalName = SyntaxFactory::makeIdentifier("for", {},
Trivia::spaces(1));
auto LocalName = SyntaxFactory::makeIdentifier("integer", {}, {});
auto Colon = SyntaxFactory::makeColonToken(Trivia::spaces(1),
Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {},
Trivia::spaces(1));
auto IntAnnotation = SyntaxFactory::makeTypeAnnotation({}, None, Int);
auto Equal = SyntaxFactory::makeEqualToken({}, Trivia::spaces(1));
auto NoSign = TokenSyntax::missingToken(tok::oper_prefix, "");
auto OneDigits = SyntaxFactory::makeIntegerLiteral("1", {}, {});
auto One = SyntaxFactory::makeIntegerLiteralExpr(OneDigits);
auto Comma = SyntaxFactory::makeCommaToken({}, {});
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedFunctionParameter()
.withFirstName(ExternalName)
.withSecondName(LocalName)
.withColon(Colon)
.withTypeAnnotation(Int)
.withDefaultEquals(Equal)
.withDefaultValue(One)
.withTrailingComma(Comma)
.print(OS);
ASSERT_EQ(OS.str().str(), "for integer : Int = 1,");
}
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedFunctionParameter()
.withTypeAnnotation(llvm::None)
.withDefaultValue(llvm::None)
.print(OS);
ASSERT_EQ(OS.str().str(), "with radius: = , ");
}
}
#pragma mark - parameter-list
TEST(DeclSyntaxTests, FunctionParameterListMakeAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionParameterList().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
auto Param = getCannedFunctionParameter();
std::vector<FunctionParameterSyntax> Params { Param, Param, Param };
SyntaxFactory::makeFunctionParameterList(Params).print(OS);
ASSERT_EQ(OS.str().str(),
"with radius: Int = -1, with radius: Int = -1, with radius: Int = -1, ");
}
}
#pragma mark - function-signature
FunctionSignatureSyntax getCannedFunctionSignature() {
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Param = getCannedFunctionParameter();
auto List = SyntaxFactory::makeBlankFunctionParameterList()
.appending(Param)
.appending(Param)
.appending(Param)
.castTo<FunctionParameterListSyntax>();
auto RParen = SyntaxFactory::makeRightParenToken({}, Trivia::spaces(1));
auto Parameter = SyntaxFactory::makeParameterClause(LParen, List, RParen);
auto Throws = SyntaxFactory::makeThrowsKeyword({}, Trivia::spaces(1));
auto Arrow = SyntaxFactory::makeArrowToken({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {}, Trivia::spaces(1));
auto Return = SyntaxFactory::makeReturnClause(Arrow, Int);
return SyntaxFactory::makeFunctionSignature(Parameter, Throws, Return);
}
TEST(DeclSyntaxTests, FunctionSignatureMakeAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionSignature().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedFunctionSignature().print(OS);
ASSERT_EQ(OS.str().str(),
"(with radius: Int = -1, "
"with radius: Int = -1, "
"with radius: Int = -1, ) throws -> Int ");
}
}
TEST(DeclSyntaxTests, FunctionSignatureGetAPIs) {
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Param = getCannedFunctionParameter();
auto List = SyntaxFactory::makeBlankFunctionParameterList()
.appending(Param)
.appending(Param)
.appending(Param)
.castTo<FunctionParameterListSyntax>();
auto RParen = SyntaxFactory::makeRightParenToken({}, Trivia::spaces(1));
auto Throws = SyntaxFactory::makeThrowsKeyword({}, Trivia::spaces(1));
auto Arrow = SyntaxFactory::makeArrowToken({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {}, {});
auto Sig = SyntaxFactory::makeFunctionSignature(
SyntaxFactory::makeParameterClause(LParen, List, RParen),
Throws,
SyntaxFactory::makeReturnClause(Arrow, Int));
ASSERT_EQ(LParen.getRaw(), Sig.getInput().getLeftParen().getRaw());
{
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
auto GottenList1 = Sig.getInput().getParameterList();
auto GottenList2 = Sig.getInput().getParameterList();
ASSERT_TRUE(GottenList1.hasSameIdentityAs(GottenList2));
GottenList1.print(OS);
ASSERT_EQ(OS.str().str(),
"with radius: Int = -1, "
"with radius: Int = -1, "
"with radius: Int = -1, ");
}
ASSERT_EQ(RParen.getRaw(), Sig.getInput().getRightParen().getRaw());
ASSERT_EQ(Throws.getRaw(), Sig.getThrowsOrRethrowsKeyword()->getRaw());
ASSERT_EQ(Sig.getThrowsOrRethrowsKeyword()->getTokenKind(), tok::kw_throws);
ASSERT_EQ(Arrow.getRaw(), Sig.getOutput()->getArrow().getRaw());
{
SmallString<3> Scratch;
llvm::raw_svector_ostream OS(Scratch);
auto GottenReturnType1 = Sig.getOutput()->getReturnType();
auto GottenReturnType2 = Sig.getOutput()->getReturnType();
ASSERT_TRUE(GottenReturnType1.hasSameIdentityAs(GottenReturnType2));
GottenReturnType1.print(OS);
ASSERT_EQ(OS.str().str(), "Int");
}
}
TEST(DeclSyntaxTests, FunctionSignatureWithAPIs) {
auto LParen = SyntaxFactory::makeLeftParenToken({}, {});
auto Param = getCannedFunctionParameter();
auto List = SyntaxFactory::makeBlankFunctionParameterList()
.appending(Param)
.appending(Param)
.appending(Param)
.castTo<FunctionParameterListSyntax>();
auto RParen = SyntaxFactory::makeRightParenToken({}, Trivia::spaces(1));
auto Throws = SyntaxFactory::makeThrowsKeyword({}, Trivia::spaces(1));
auto Arrow = SyntaxFactory::makeArrowToken({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {}, {});
auto Parameter = SyntaxFactory::makeParameterClause(LParen, List, RParen);
auto Return = SyntaxFactory::makeReturnClause(Arrow, Int);
SmallString<48> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionSignature()
.withInput(Parameter)
.withThrowsOrRethrowsKeyword(Throws)
.withOutput(Return)
.print(OS);
ASSERT_EQ(OS.str().str(),
"(with radius: Int = -1, "
"with radius: Int = -1, "
"with radius: Int = -1, ) throws -> Int");
}
#pragma mark - function-declaration
ModifierListSyntax getCannedModifiers() {
auto PublicID = SyntaxFactory::makePublicKeyword({}, Trivia::spaces(1));
auto NoLParen = TokenSyntax::missingToken(tok::l_paren, "(");
auto NoArgument = TokenSyntax::missingToken(tok::identifier, "");
auto NoRParen = TokenSyntax::missingToken(tok::r_paren, ")");
auto Public = SyntaxFactory::makeDeclModifier(PublicID,
SyntaxFactory::makeTokenList({NoLParen, NoArgument, NoRParen}));
auto StaticKW = SyntaxFactory::makeStaticKeyword({}, Trivia::spaces(1));
auto Static = SyntaxFactory::makeDeclModifier(StaticKW,
SyntaxFactory::makeTokenList({NoLParen, NoArgument, NoRParen}));
return SyntaxFactory::makeBlankModifierList()
.appending(Public)
.appending(Static);
}
GenericParameterClauseSyntax getCannedGenericParams() {
GenericParameterClauseSyntaxBuilder GB;
auto LAngle = SyntaxFactory::makeLeftAngleToken({}, {});
auto RAngle = SyntaxFactory::makeRightAngleToken({}, {});
auto TType = SyntaxFactory::makeIdentifier("T", {}, {});
auto UType = SyntaxFactory::makeIdentifier("U", {}, {});
auto Comma = SyntaxFactory::makeCommaToken({}, Trivia::spaces(1));
auto T = SyntaxFactory::makeGenericParameter(TType, Comma);
auto U = SyntaxFactory::makeGenericParameter(UType, None);
GB.addGenericParameter(T);
GB.addGenericParameter(U);
GB.useLeftAngleBracket(LAngle);
GB.useRightAngleBracket(RAngle);
return GB.build();
}
CodeBlockSyntax getCannedBody() {
auto NoSign = TokenSyntax::missingToken(tok::oper_prefix, "-");
auto OneDigits = SyntaxFactory::makeIntegerLiteral("1", {}, {});
auto One = SyntaxFactory::makeIntegerLiteralExpr(OneDigits);
auto ReturnKW =
SyntaxFactory::makeReturnKeyword(Trivia::newlines(1) + Trivia::spaces(2),
{});
auto Return = SyntaxFactory::makeReturnStmt(ReturnKW, One, None);
auto Stmts = SyntaxFactory::makeBlankStmtList()
.appending(Return);
auto LBrace = SyntaxFactory::makeLeftBraceToken({}, {});
auto RBrace = SyntaxFactory::makeRightBraceToken(Trivia::newlines(1), {});
return SyntaxFactory::makeCodeBlock(LBrace, Stmts, RBrace);
}
GenericWhereClauseSyntax getCannedWhereClause() {
auto WhereKW = SyntaxFactory::makeWhereKeyword({}, Trivia::spaces(1));
auto T = SyntaxFactory::makeTypeIdentifier("T", {}, Trivia::spaces(1));
auto EqualEqual = SyntaxFactory::makeEqualityOperator({}, Trivia::spaces(1));
auto Int = SyntaxFactory::makeTypeIdentifier("Int", {}, Trivia::spaces(1));
auto SameType = SyntaxFactory::makeSameTypeRequirement(T, EqualEqual, Int,
None);
auto Requirements = SyntaxFactory::makeBlankGenericRequirementList()
.appending(SameType);
return SyntaxFactory::makeBlankGenericWhereClause()
.withWhereKeyword(WhereKW)
.withRequirementList(Requirements);
}
FunctionDeclSyntax getCannedFunctionDecl() {
auto NoAttributes = SyntaxFactory::makeBlankAttributeList();
auto Foo = SyntaxFactory::makeIdentifier("foo", {}, {});
auto FuncKW = SyntaxFactory::makeFuncKeyword({}, Trivia::spaces(1));
auto Modifiers = getCannedModifiers();
auto GenericParams = getCannedGenericParams();
auto GenericWhere = getCannedWhereClause();
auto Signature = getCannedFunctionSignature();
auto Body = getCannedBody();
return SyntaxFactory::makeFunctionDecl(NoAttributes, Modifiers, FuncKW, Foo,
GenericParams, Signature, GenericWhere,
Body);
}
TEST(DeclSyntaxTests, FunctionDeclMakeAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionDecl().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
SmallString<64> Scratch;
llvm::raw_svector_ostream OS(Scratch);
getCannedFunctionDecl().print(OS);
ASSERT_EQ(OS.str().str(),
"public static func foo<T, U>"
"(with radius: Int = -1, "
"with radius: Int = -1, "
"with radius: Int = -1, ) "
"throws -> Int "
"where T == Int {\n"
" return1\n"
"}");
}
}
TEST(DeclSyntaxTests, FunctionDeclGetAPIs) {
{
SmallString<1> Scratch;
llvm::raw_svector_ostream OS(Scratch);
SyntaxFactory::makeBlankFunctionDecl().print(OS);
ASSERT_EQ(OS.str().str(), "");
}
{
}
}
TEST(DeclSyntaxTests, FunctionDeclWithAPIs) {
}
TEST(DeclSyntaxTests, FunctionDeclBuilderAPIs) {
}