| // Copyright 2021 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/wgsl/resolver/resolver.h" |
| |
| #include "gmock/gmock.h" |
| #include "src/tint/lang/wgsl/ast/call_statement.h" |
| #include "src/tint/lang/wgsl/resolver/resolver_helper_test.h" |
| |
| namespace tint::resolver { |
| namespace { |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using ResolverCallValidationTest = ResolverTest; |
| |
| TEST_F(ResolverCallValidationTest, TooFewArgs) { |
| Func("foo", |
| Vector{ |
| Param(Sym(), ty.i32()), |
| Param(Sym(), ty.f32()), |
| }, |
| ty.void_(), |
| Vector{ |
| Return(), |
| }); |
| auto* call = Call(Source{{12, 34}}, "foo", 1_i); |
| WrapInFunction(call); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), "12:34 error: too few arguments in call to 'foo', expected 2, got 1"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, TooManyArgs) { |
| Func("foo", |
| Vector{ |
| Param(Sym(), ty.i32()), |
| Param(Sym(), ty.f32()), |
| }, |
| ty.void_(), |
| Vector{ |
| Return(), |
| }); |
| auto* call = Call(Source{{12, 34}}, "foo", 1_i, 1_f, 1_f); |
| WrapInFunction(call); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), "12:34 error: too many arguments in call to 'foo', expected 2, got 3"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, MismatchedArgs) { |
| Func("foo", |
| Vector{ |
| Param(Sym(), ty.i32()), |
| Param(Sym(), ty.f32()), |
| }, |
| ty.void_(), |
| Vector{ |
| Return(), |
| }); |
| auto* call = Call("foo", Expr(Source{{12, 34}}, true), 1_f); |
| WrapInFunction(call); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: type mismatch for argument 1 in call to 'foo', " |
| "expected 'i32', got 'bool'"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, UnusedRetval) { |
| // fn func() -> f32 { return 1.0; } |
| // fn main() {func(); return; } |
| |
| Func("func", tint::Empty, ty.f32(), |
| Vector{ |
| Return(Expr(1_f)), |
| }, |
| tint::Empty); |
| |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| CallStmt(Source{{12, 34}}, Call("func")), |
| Return(), |
| }); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, PointerArgument_VariableIdentExpr) { |
| // fn foo(p: ptr<function, i32>) {} |
| // fn main() { |
| // var z: i32 = 1i; |
| // foo(&z); |
| // } |
| auto* param = Param("p", ty.ptr<function, i32>()); |
| Func("foo", Vector{param}, ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("z", ty.i32(), Expr(1_i))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, Expr("z")))), |
| }); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, PointerArgument_LetIdentExpr) { |
| // fn foo(p: ptr<function, i32>) {} |
| // fn main() { |
| // let z: i32 = 1i; |
| // foo(&z); |
| // } |
| auto* param = Param("p", ty.ptr<function, i32>()); |
| Func("foo", Vector{param}, ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Let("z", ty.i32(), Expr(1_i))), |
| CallStmt(Call("foo", AddressOf(Expr(Source{{12, 34}}, "z")))), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), "12:34 error: cannot take the address of expression"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, |
| PointerArgument_AddressOfFunctionMember_WithoutUnrestrictedPointerParameters) { |
| // struct S { m: i32; }; |
| // fn foo(p: ptr<function, i32>) {} |
| // fn main() { |
| // var v : S; |
| // foo(&v.m); |
| // } |
| auto* S = Structure("S", Vector{ |
| Member("m", ty.i32()), |
| }); |
| auto* param = Param("p", ty.ptr<function, i32>()); |
| Func("foo", Vector{param}, ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.Of(S))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, MemberAccessor("v", "m")))), |
| }); |
| |
| Resolver r{this, wgsl::AllowedFeatures{}}; |
| |
| EXPECT_FALSE(r.Resolve()); |
| EXPECT_EQ( |
| r.error(), |
| R"(12:34 error: arguments of pointer type must not point to a subset of the originating variable)"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, |
| PointerArgument_AddressOfFunctionMember_WithUnrestrictedPointerParameters) { |
| // struct S { m: i32; }; |
| // fn foo(p: ptr<function, i32>) {} |
| // fn main() { |
| // var v : S; |
| // foo(&v.m); |
| // } |
| |
| auto* S = Structure("S", Vector{ |
| Member("m", ty.i32()), |
| }); |
| auto* param = Param("p", ty.ptr<function, i32>()); |
| Func("foo", Vector{param}, ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.Of(S))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, MemberAccessor("v", "m")))), |
| }); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| TEST_F(ResolverCallValidationTest, PointerArgument_AddressOfLetMember) { |
| // struct S { m: i32; }; |
| // fn foo(p: ptr<function, i32>) {} |
| // fn main() { |
| // let v: S = S(); |
| // foo(&v.m); |
| // } |
| auto* S = Structure("S", Vector{ |
| Member("m", ty.i32()), |
| }); |
| auto* param = Param("p", ty.ptr<function, i32>()); |
| Func("foo", Vector{param}, ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Let("v", ty.Of(S), Call(ty.Of(S)))), |
| CallStmt(Call("foo", AddressOf(MemberAccessor(Source{{12, 34}}, "v", "m")))), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), "12:34 error: cannot take the address of expression"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, PointerArgument_FunctionParam) { |
| // fn foo(p: ptr<function, i32>) {} |
| // fn bar(p: ptr<function, i32>) { |
| // foo(p); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("bar", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), |
| Vector{ |
| CallStmt(Call("foo", Expr("p"))), |
| }); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, PointerArgument_FunctionParamWithMain) { |
| // fn foo(p: ptr<function, i32>) {} |
| // fn bar(p: ptr<function, i32>) { |
| // foo(p); |
| // } |
| // @fragment |
| // fn main() { |
| // var v: i32; |
| // bar(&v); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("bar", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), |
| Vector{ |
| CallStmt(Call("foo", "p")), |
| }); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.i32(), Expr(1_i))), |
| CallStmt(Call("foo", AddressOf("v"))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, LetPointer) { |
| // fn foo(p : ptr<function, i32>) {} |
| // @fragment |
| // fn main() { |
| // var v: i32; |
| // let p: ptr<function, i32> = &v; |
| // x(p); |
| // } |
| Func("x", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.i32())), |
| Decl(Let("p", ty.ptr<function, i32>(), AddressOf("v"))), |
| CallStmt(Call("x", "p")), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, LetPointerPrivate) { |
| // fn foo(p : ptr<private, i32>) {} |
| // var v : i32; |
| // @fragment |
| // fn main() { |
| // let p : ptr<private, i32> = &v; |
| // foo(p); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<private_, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| GlobalVar("v", ty.i32(), core::AddressSpace::kPrivate); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Let("p", ty.ptr<private_, i32>(), AddressOf("v"))), |
| CallStmt(Call("foo", Expr(Source{{12, 34}}, "p"))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, LetPointer_NotWholeVar_WithoutUnrestrictedPointerParameters) { |
| // fn foo(p : ptr<function, i32>) {} |
| // @fragment |
| // fn main() { |
| // var v: array<i32, 4>; |
| // let p: ptr<function, i32> = &(v[0]); |
| // x(p); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.array<i32, 4>())), |
| Decl(Let("p", ty.ptr<function, i32>(), AddressOf(IndexAccessor("v", 0_a)))), |
| CallStmt(Call("foo", Expr(Source{{12, 34}}, "p"))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| Resolver r(this, wgsl::AllowedFeatures{}); |
| EXPECT_FALSE(r.Resolve()); |
| EXPECT_EQ(r.error(), |
| "12:34 error: arguments of pointer type must not point to a subset of the " |
| "originating variable"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, LetPointer_NotWholeVar_WithUnrestrictedPointerParameters) { |
| // fn foo(p : ptr<function, i32>) {} |
| // @fragment |
| // fn main() { |
| // var v: array<i32, 4>; |
| // let p: ptr<function, i32> = &(v[0]); |
| // x(p); |
| // } |
| |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.array<i32, 4>())), |
| Decl(Let("p", ty.ptr<function, i32>(), AddressOf(IndexAccessor("v", 0_a)))), |
| CallStmt(Call("foo", Expr(Source{{12, 34}}, "p"))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| EXPECT_TRUE(r()->Resolve()); |
| } |
| |
| TEST_F(ResolverCallValidationTest, ComplexPointerChain) { |
| // fn foo(p : ptr<function, array<i32, 4>>) {} |
| // @fragment |
| // fn main() { |
| // var v: array<i32, 4>; |
| // let p1 = &v; |
| // let p2 = p1; |
| // let p3 = &*p2; |
| // foo(&*p); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, array<i32, 4>>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.array<i32, 4>())), |
| Decl(Let("p1", AddressOf("v"))), |
| Decl(Let("p2", Expr("p1"))), |
| Decl(Let("p3", AddressOf(Deref("p2")))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, Deref("p3")))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResolverCallValidationTest, |
| ComplexPointerChain_NotWholeVar_WithoutUnrestrictedPointerParameters) { |
| // fn foo(p : ptr<function, i32>) {} |
| // @fragment |
| // fn main() { |
| // var v: array<i32, 4>; |
| // let p1 = &v; |
| // let p2 = p1; |
| // let p3 = &(*p2)[0]; |
| // foo(&*p); |
| // } |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.array<i32, 4>())), |
| Decl(Let("p1", AddressOf("v"))), |
| Decl(Let("p2", Expr("p1"))), |
| Decl(Let("p3", AddressOf(IndexAccessor(Deref("p2"), 0_a)))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, Deref("p3")))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| Resolver r{this, {}}; |
| EXPECT_FALSE(r.Resolve()); |
| EXPECT_EQ(r.error(), |
| "12:34 error: arguments of pointer type must not point to a subset of the " |
| "originating variable"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, |
| ComplexPointerChain_NotWholeVar_WithUnrestrictedPointerParameters) { |
| // fn foo(p : ptr<function, i32>) {} |
| // @fragment |
| // fn main() { |
| // var v: array<i32, 4>; |
| // let p1 = &v; |
| // let p2 = p1; |
| // let p3 = &(*p2)[0]; |
| // foo(&*p); |
| // } |
| |
| Func("foo", |
| Vector{ |
| Param("p", ty.ptr<function, i32>()), |
| }, |
| ty.void_(), tint::Empty); |
| Func("main", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", ty.array<i32, 4>())), |
| Decl(Let("p1", AddressOf("v"))), |
| Decl(Let("p2", Expr("p1"))), |
| Decl(Let("p3", AddressOf(IndexAccessor(Deref("p2"), 0_a)))), |
| CallStmt(Call("foo", AddressOf(Source{{12, 34}}, Deref("p3")))), |
| }, |
| Vector{ |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| EXPECT_TRUE(r()->Resolve()); |
| } |
| |
| TEST_F(ResolverCallValidationTest, MustUseFunction) { |
| Func(Source{{56, 78}}, "fn_must_use", tint::Empty, ty.i32(), Vector{Return(1_i)}, |
| Vector{MustUse()}); |
| Func("f", tint::Empty, ty.void_(), Vector{CallStmt(Call(Source{{12, 34}}, "fn_must_use"))}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ( |
| r()->error(), |
| R"(12:34 error: ignoring return value of function 'fn_must_use' annotated with @must_use |
| 56:78 note: function 'fn_must_use' declared here)"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, MustUseBuiltin) { |
| Func("f", tint::Empty, ty.void_(), Vector{CallStmt(Call(Source{{12, 34}}, "max", 1_a, 2_a))}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), "12:34 error: ignoring return value of builtin 'max'"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, UnexpectedFunctionTemplateArgs) { |
| // fn a() {} |
| // fn b() { |
| // a<i32>(); |
| // } |
| Func(Source{{56, 78}}, "a", tint::Empty, ty.void_(), tint::Empty); |
| Func("b", tint::Empty, ty.void_(), |
| Vector{ |
| CallStmt(Call(Ident(Source{{12, 34}}, "a", "i32"))), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), R"(12:34 error: function 'a' does not take template arguments |
| 56:78 note: function 'a' declared here)"); |
| } |
| |
| TEST_F(ResolverCallValidationTest, UnexpectedBuiltinTemplateArgs) { |
| // fn f() { |
| // min<i32>(1, 2); |
| // } |
| Func("f", tint::Empty, ty.void_(), |
| Vector{ |
| Decl(Var("v", Call(Ident(Source{{12, 34}}, "min", "i32"), 1_a, 2_a))), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| R"(12:34 error: builtin function 'min' does not take template arguments)"); |
| } |
| |
| } // namespace |
| } // namespace tint::resolver |
