| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/reader/wgsl/parser_impl_test_helper.h" |
| |
| namespace tint::reader::wgsl { |
| namespace { |
| |
| const diag::Formatter::Style formatter_style{/* print_file: */ true, /* print_severity: */ true, |
| /* print_line: */ true, |
| /* print_newline_at_end: */ false}; |
| |
| class ParserImplErrorTest : public ParserImplTest {}; |
| |
| #define EXPECT(SOURCE, EXPECTED) \ |
| do { \ |
| std::string source = SOURCE; \ |
| std::string expected = EXPECTED; \ |
| auto p = parser(source); \ |
| p->set_max_errors(5); \ |
| EXPECT_EQ(false, p->Parse()); \ |
| auto diagnostics = p->builder().Diagnostics(); \ |
| EXPECT_EQ(true, diagnostics.contains_errors()); \ |
| EXPECT_EQ(expected, diag::Formatter(formatter_style).format(diagnostics)); \ |
| } while (false) |
| |
| TEST_F(ParserImplErrorTest, AdditiveInvalidExpr) { |
| EXPECT("fn f() { return 1.0 + <; }", |
| R"(test.wgsl:1:23 error: unable to parse right side of + expression |
| fn f() { return 1.0 + <; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AndInvalidExpr) { |
| EXPECT("fn f() { return 1 & >; }", |
| R"(test.wgsl:1:21 error: unable to parse right side of & expression |
| fn f() { return 1 & >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AliasDeclInvalidAttribute) { |
| EXPECT("@invariant type e=u32;", |
| R"(test.wgsl:1:2 error: unexpected attributes |
| @invariant type e=u32; |
| ^^^^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, IndexExprInvalidExpr) { |
| EXPECT("fn f() { x = y[^]; }", |
| R"(test.wgsl:1:16 error: unable to parse expression inside [] |
| fn f() { x = y[^]; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, IndexExprMissingRBracket) { |
| EXPECT("fn f() { x = y[1; }", |
| R"(test.wgsl:1:17 error: expected ']' for index accessor |
| fn f() { x = y[1; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AssignmentStmtMissingAssignment) { |
| EXPECT("fn f() { a; }", R"(test.wgsl:1:11 error: expected '=' for assignment |
| fn f() { a; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AssignmentStmtMissingAssignment2) { |
| EXPECT("fn f() { a : i32; }", |
| R"(test.wgsl:1:10 error: expected 'var' for variable declaration |
| fn f() { a : i32; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AssignmentStmtMissingSemicolon) { |
| EXPECT("fn f() { a = 1 }", |
| R"(test.wgsl:1:16 error: expected ';' for assignment statement |
| fn f() { a = 1 } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AssignmentStmtInvalidLHS_BuiltinFunctionName) { |
| EXPECT("normalize = 5;", |
| R"(test.wgsl:1:1 error: statement found outside of function body |
| normalize = 5; |
| ^^^^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, AssignmentStmtInvalidRHS) { |
| EXPECT("fn f() { a = >; }", |
| R"(test.wgsl:1:14 error: unable to parse right side of assignment |
| fn f() { a = >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, BitcastExprMissingLessThan) { |
| EXPECT("fn f() { x = bitcast(y); }", |
| R"(test.wgsl:1:21 error: expected '<' for bitcast expression |
| fn f() { x = bitcast(y); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, BitcastExprMissingGreaterThan) { |
| EXPECT("fn f() { x = bitcast<u32(y); }", |
| R"(test.wgsl:1:25 error: expected '>' for bitcast expression |
| fn f() { x = bitcast<u32(y); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, BitcastExprMissingType) { |
| EXPECT("fn f() { x = bitcast<>(y); }", |
| R"(test.wgsl:1:22 error: invalid type for bitcast expression |
| fn f() { x = bitcast<>(y); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, BreakStmtMissingSemicolon) { |
| EXPECT("fn f() { loop { break } }", |
| R"(test.wgsl:1:23 error: expected ';' for break statement |
| fn f() { loop { break } } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, CallExprMissingRParen) { |
| EXPECT("fn f() { x = f(1.; }", |
| R"(test.wgsl:1:18 error: expected ')' for function call |
| fn f() { x = f(1.; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, CallStmtMissingRParen) { |
| EXPECT("fn f() { f(1.; }", |
| R"(test.wgsl:1:14 error: expected ')' for function call |
| fn f() { f(1.; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, CallStmtInvalidArgument0) { |
| EXPECT("fn f() { f(<); }", |
| R"(test.wgsl:1:12 error: expected ')' for function call |
| fn f() { f(<); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, CallStmtInvalidArgument1) { |
| EXPECT("fn f() { f(1.0, <); }", |
| R"(test.wgsl:1:17 error: expected ')' for function call |
| fn f() { f(1.0, <); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, CallStmtMissingSemicolon) { |
| EXPECT("fn f() { f() }", |
| R"(test.wgsl:1:14 error: expected ';' for function call |
| fn f() { f() } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ConstructorExprMissingLParen) { |
| EXPECT("fn f() { x = vec2<u32>1,2); }", |
| R"(test.wgsl:1:23 error: expected '(' for type constructor |
| fn f() { x = vec2<u32>1,2); } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ConstructorExprMissingRParen) { |
| EXPECT("fn f() { x = vec2<u32>(1,2; }", |
| R"(test.wgsl:1:27 error: expected ')' for type constructor |
| fn f() { x = vec2<u32>(1,2; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ConstVarStmtInvalid) { |
| EXPECT("fn f() { let >; }", |
| R"(test.wgsl:1:14 error: expected identifier for let declaration |
| fn f() { let >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ConstVarStmtMissingAssignment) { |
| EXPECT("fn f() { let a : i32; }", |
| R"(test.wgsl:1:21 error: expected '=' for let declaration |
| fn f() { let a : i32; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ConstVarStmtMissingConstructor) { |
| EXPECT("fn f() { let a : i32 = >; }", |
| R"(test.wgsl:1:24 error: missing constructor for let declaration |
| fn f() { let a : i32 = >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ContinueStmtMissingSemicolon) { |
| EXPECT("fn f() { loop { continue } }", |
| R"(test.wgsl:1:26 error: expected ';' for continue statement |
| fn f() { loop { continue } } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, DiscardStmtMissingSemicolon) { |
| EXPECT("fn f() { discard }", |
| R"(test.wgsl:1:18 error: expected ';' for discard statement |
| fn f() { discard } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, EqualityInvalidExpr) { |
| EXPECT("fn f() { return 1 == >; }", |
| R"(test.wgsl:1:22 error: unable to parse right side of == expression |
| fn f() { return 1 == >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopInitializerMissingSemicolon) { |
| EXPECT("fn f() { for (var i : i32 = 0 i < 8; i=i+1) {} }", |
| R"(test.wgsl:1:31 error: expected ';' for initializer in for loop |
| fn f() { for (var i : i32 = 0 i < 8; i=i+1) {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopInitializerMissingVar) { |
| EXPECT("fn f() { for (i : i32 = 0; i < 8; i=i+1) {} }", |
| R"(test.wgsl:1:15 error: expected 'var' for variable declaration |
| fn f() { for (i : i32 = 0; i < 8; i=i+1) {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopConditionMissingSemicolon) { |
| EXPECT("fn f() { for (var i : i32 = 0; i < 8 i=i+1) {} }", |
| R"(test.wgsl:1:38 error: expected ';' for condition in for loop |
| fn f() { for (var i : i32 = 0; i < 8 i=i+1) {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopMissingLParen) { |
| EXPECT("fn f() { for var i : i32 = 0; i < 8; i=i+1) {} }", |
| R"(test.wgsl:1:14 error: expected '(' for for loop |
| fn f() { for var i : i32 = 0; i < 8; i=i+1) {} } |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopMissingRParen) { |
| EXPECT("fn f() { for (var i : i32 = 0; i < 8; i=i+1 {} }", |
| R"(test.wgsl:1:45 error: expected ')' for for loop |
| fn f() { for (var i : i32 = 0; i < 8; i=i+1 {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopMissingLBrace) { |
| EXPECT("fn f() { for (var i : i32 = 0; i < 8; i=i+1) }", |
| R"(test.wgsl:1:46 error: expected '{' for for loop |
| fn f() { for (var i : i32 = 0; i < 8; i=i+1) } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ForLoopMissingRBrace) { |
| EXPECT("fn f() { for (var i : i32 = 0; i < 8; i=i+1) {", |
| R"(test.wgsl:1:47 error: expected '}' for for loop |
| fn f() { for (var i : i32 = 0; i < 8; i=i+1) { |
| ^ |
| )"); |
| } |
| |
| // TODO(crbug.com/tint/1503): Remove this when @stage is removed |
| TEST_F(ParserImplErrorTest, FunctionDeclStageMissingLParen) { |
| EXPECT("@stage vertex) fn f() {}", |
| R"(test.wgsl:1:8 error: expected '(' for stage attribute |
| @stage vertex) fn f() {} |
| ^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclStageMissingRParen) { |
| EXPECT( |
| "@stage(vertex fn f() {}", |
| R"(test.wgsl:1:2 warning: use of deprecated language feature: remove stage and use @vertex |
| @stage(vertex fn f() {} |
| ^^^^^ |
| |
| test.wgsl:1:15 error: expected ')' for stage attribute |
| @stage(vertex fn f() {} |
| ^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclStageInvalid) { |
| EXPECT("@stage(x) fn f() {}", |
| R"(test.wgsl:1:8 error: invalid value for stage attribute |
| @stage(x) fn f() {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclStageTypeInvalid) { |
| EXPECT("@shader(vertex) fn main() {}", |
| R"(test.wgsl:1:2 error: expected attribute |
| @shader(vertex) fn main() {} |
| ^^^^^^ |
| |
| test.wgsl:1:8 error: unexpected token |
| @shader(vertex) fn main() {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclWorkgroupSizeXInvalid) { |
| EXPECT("@workgroup_size() fn f() {}", |
| R"(test.wgsl:1:17 error: expected workgroup_size x parameter |
| @workgroup_size() fn f() {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclWorkgroupSizeYInvalid) { |
| EXPECT("@workgroup_size(1, ) fn f() {}", |
| R"(test.wgsl:1:20 error: expected workgroup_size y parameter |
| @workgroup_size(1, ) fn f() {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclWorkgroupSizeZInvalid) { |
| EXPECT("@workgroup_size(1, 2, ) fn f() {}", |
| R"(test.wgsl:1:23 error: expected workgroup_size z parameter |
| @workgroup_size(1, 2, ) fn f() {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingIdentifier) { |
| EXPECT("fn () {}", |
| R"(test.wgsl:1:4 error: expected identifier for function declaration |
| fn () {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingLParen) { |
| EXPECT("fn f) {}", |
| R"(test.wgsl:1:5 error: expected '(' for function declaration |
| fn f) {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingRParen) { |
| EXPECT("fn f( {}", |
| R"(test.wgsl:1:7 error: expected ')' for function declaration |
| fn f( {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingArrow) { |
| EXPECT("fn f() f32 {}", R"(test.wgsl:1:8 error: expected '{' |
| fn f() f32 {} |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclInvalidReturnType) { |
| EXPECT("fn f() -> 1 {}", |
| R"(test.wgsl:1:11 error: unable to determine function return type |
| fn f() -> 1 {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclParamMissingColon) { |
| EXPECT("fn f(x) {}", R"(test.wgsl:1:7 error: expected ':' for parameter |
| fn f(x) {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclParamInvalidType) { |
| EXPECT("fn f(x : 1) {}", R"(test.wgsl:1:10 error: invalid type for parameter |
| fn f(x : 1) {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclParamMissing) { |
| EXPECT("fn f(x : i32, ,) {}", |
| R"(test.wgsl:1:15 error: expected ')' for function declaration |
| fn f(x : i32, ,) {} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingLBrace) { |
| EXPECT("fn f() }", R"(test.wgsl:1:8 error: expected '{' |
| fn f() } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionDeclMissingRBrace) { |
| EXPECT("fn f() {", R"(test.wgsl:1:9 error: expected '}' |
| fn f() { |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionScopeUnusedDecl) { |
| EXPECT("fn f(a:i32)->i32{return a;@size(1)}", |
| R"(test.wgsl:1:27 error: expected '}' |
| fn f(a:i32)->i32{return a;@size(1)} |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, FunctionMissingOpenLine) { |
| EXPECT(R"(let bar : vec2<f32> = vec2<f32>(1., 2.); |
| var a : f32 = bar[0]; |
| return; |
| })", |
| R"(test.wgsl:2:17 error: unable to parse const_expr |
| var a : f32 = bar[0]; |
| ^^^ |
| |
| test.wgsl:3:3 error: statement found outside of function body |
| return; |
| ^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstInvalidIdentifier) { |
| EXPECT("let ^ : i32 = 1;", |
| R"(test.wgsl:1:5 error: expected identifier for let declaration |
| let ^ : i32 = 1; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstMissingSemicolon) { |
| EXPECT("let i : i32 = 1", |
| R"(test.wgsl:1:16 error: expected ';' for let declaration |
| let i : i32 = 1 |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstMissingLParen) { |
| EXPECT("let i : vec2<i32> = vec2<i32>;", |
| R"(test.wgsl:1:30 error: expected '(' for type constructor |
| let i : vec2<i32> = vec2<i32>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstMissingRParen) { |
| EXPECT("let i : vec2<i32> = vec2<i32>(1., 2.;", |
| R"(test.wgsl:1:37 error: expected ')' for type constructor |
| let i : vec2<i32> = vec2<i32>(1., 2.; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstBadConstLiteral) { |
| EXPECT("let i : vec2<i32> = vec2<i32>(!);", |
| R"(test.wgsl:1:31 error: unable to parse const_expr |
| let i : vec2<i32> = vec2<i32>(!); |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstBadConstLiteralSpaceLessThan) { |
| EXPECT("let i = 1 < 2;", |
| R"(test.wgsl:1:11 error: expected ';' for let declaration |
| let i = 1 < 2; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstNotConstExpr) { |
| EXPECT( |
| "let a = 1;\n" |
| "let b = a;", |
| R"(test.wgsl:2:9 error: unable to parse const_expr |
| let b = a; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstExprMaxDepth) { |
| uint32_t kMaxDepth = 128; |
| |
| std::stringstream src; |
| std::stringstream mkr; |
| src << "let i : i32 = "; |
| mkr << " "; |
| for (size_t i = 0; i < kMaxDepth + 8; i++) { |
| src << "f32("; |
| if (i < kMaxDepth) { |
| mkr << " "; |
| } else if (i == kMaxDepth) { |
| mkr << "^^^"; |
| } |
| } |
| src << "1.0"; |
| for (size_t i = 0; i < 200; i++) { |
| src << ")"; |
| } |
| src << ";"; |
| std::stringstream err; |
| err << "test.wgsl:1:527 error: maximum parser recursive depth reached\n" |
| << src.str() << "\n" |
| << mkr.str() << "\n"; |
| EXPECT(src.str().c_str(), err.str().c_str()); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstExprMissingLParen) { |
| EXPECT("let i : vec2<i32> = vec2<i32> 1, 2);", |
| R"(test.wgsl:1:31 error: expected '(' for type constructor |
| let i : vec2<i32> = vec2<i32> 1, 2); |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclConstExprMissingRParen) { |
| EXPECT("let i : vec2<i32> = vec2<i32>(1, 2;", |
| R"(test.wgsl:1:35 error: expected ')' for type constructor |
| let i : vec2<i32> = vec2<i32>(1, 2; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclInvalidAttribute) { |
| EXPECT("@vertex x;", |
| R"(test.wgsl:1:9 error: expected declaration after attributes |
| @vertex x; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclSampledTextureMissingLessThan) { |
| EXPECT("var x : texture_1d;", |
| R"(test.wgsl:1:19 error: expected '<' for sampled texture type |
| var x : texture_1d; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclSampledTextureMissingGreaterThan) { |
| EXPECT("var x : texture_1d<f32;", |
| R"(test.wgsl:1:23 error: expected '>' for sampled texture type |
| var x : texture_1d<f32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclSampledTextureInvalidSubtype) { |
| EXPECT("var x : texture_1d<1>;", |
| R"(test.wgsl:1:20 error: invalid type for sampled texture type |
| var x : texture_1d<1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclMultisampledTextureMissingLessThan) { |
| EXPECT("var x : texture_multisampled_2d;", |
| R"(test.wgsl:1:32 error: expected '<' for multisampled texture type |
| var x : texture_multisampled_2d; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclMultisampledTextureMissingGreaterThan) { |
| EXPECT("var x : texture_multisampled_2d<f32;", |
| R"(test.wgsl:1:36 error: expected '>' for multisampled texture type |
| var x : texture_multisampled_2d<f32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclMultisampledTextureInvalidSubtype) { |
| EXPECT("var x : texture_multisampled_2d<1>;", |
| R"(test.wgsl:1:33 error: invalid type for multisampled texture type |
| var x : texture_multisampled_2d<1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStorageTextureMissingLessThan) { |
| EXPECT("var x : texture_storage_2d;", |
| R"(test.wgsl:1:27 error: expected '<' for storage texture type |
| var x : texture_storage_2d; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStorageTextureMissingGreaterThan) { |
| EXPECT("var x : texture_storage_2d<r32uint, read;", |
| R"(test.wgsl:1:41 error: expected '>' for storage texture type |
| var x : texture_storage_2d<r32uint, read; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStorageTextureMissingSubtype) { |
| EXPECT("var x : texture_storage_2d<>;", |
| R"(test.wgsl:1:28 error: invalid format for storage texture type |
| var x : texture_storage_2d<>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStorageTextureMissingInvalidSubtype) { |
| EXPECT("var x : texture_storage_2d<1>;", |
| R"(test.wgsl:1:28 error: invalid format for storage texture type |
| var x : texture_storage_2d<1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructDeclMissingIdentifier) { |
| EXPECT("struct {};", |
| R"(test.wgsl:1:8 error: expected identifier for struct declaration |
| struct {}; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructDeclMissingLBrace) { |
| EXPECT("struct S };", |
| R"(test.wgsl:1:10 error: expected '{' for struct declaration |
| struct S }; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructDeclMissingRBrace) { |
| EXPECT("struct S { i : i32,", |
| R"(test.wgsl:1:20 error: expected '}' for struct declaration |
| struct S { i : i32, |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructMemberInvalidIdentifier) { |
| EXPECT("struct S { 1 : i32, };", |
| R"(test.wgsl:1:12 error: expected '}' for struct declaration |
| struct S { 1 : i32, }; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructMemberAlignInvaldValue) { |
| EXPECT("struct S { @align(x) i : i32, };", |
| R"(test.wgsl:1:19 error: expected signed integer literal for align attribute |
| struct S { @align(x) i : i32, }; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructMemberAlignNegativeValue) { |
| EXPECT("struct S { @align(-2) i : i32, };", |
| R"(test.wgsl:1:19 error: align attribute must be positive |
| struct S { @align(-2) i : i32, }; |
| ^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructMemberSizeInvaldValue) { |
| EXPECT("struct S { @size(x) i : i32, };", |
| R"(test.wgsl:1:18 error: expected signed integer literal for size attribute |
| struct S { @size(x) i : i32, }; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclStructMemberSizeNegativeValue) { |
| EXPECT("struct S { @size(-2) i : i32, };", |
| R"(test.wgsl:1:18 error: size attribute must be positive |
| struct S { @size(-2) i : i32, }; |
| ^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclTypeAliasMissingIdentifier) { |
| EXPECT("type 1 = f32;", |
| R"(test.wgsl:1:6 error: expected identifier for type alias |
| type 1 = f32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclTypeAliasInvalidType) { |
| EXPECT("type meow = 1;", R"(test.wgsl:1:13 error: invalid type alias |
| type meow = 1; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclTypeAliasMissingAssignment) { |
| EXPECT("type meow f32", R"(test.wgsl:1:11 error: expected '=' for type alias |
| type meow f32 |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclTypeAliasMissingSemicolon) { |
| EXPECT("type meow = f32", R"(test.wgsl:1:16 error: expected ';' for type alias |
| type meow = f32 |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarArrayMissingLessThan) { |
| EXPECT("var i : array;", |
| R"(test.wgsl:1:14 error: expected '<' for array declaration |
| var i : array; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarArrayMissingGreaterThan) { |
| EXPECT("var i : array<u32, 3;", |
| R"(test.wgsl:1:21 error: expected '>' for array declaration |
| var i : array<u32, 3; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarArrayMissingType) { |
| EXPECT("var i : array<1, 3>;", |
| R"(test.wgsl:1:15 error: invalid type for array declaration |
| var i : array<1, 3>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarArrayMissingSize) { |
| EXPECT("var i : array<u32, >;", |
| R"(test.wgsl:1:20 error: expected array size expression |
| var i : array<u32, >; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarArrayInvalidSize) { |
| EXPECT("var i : array<u32, !>;", |
| R"(test.wgsl:1:20 error: expected array size expression |
| var i : array<u32, !>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrListMissingComma) { |
| EXPECT("@location(1) group(2) var i : i32;", |
| R"(test.wgsl:1:14 error: expected declaration after attributes |
| @location(1) group(2) var i : i32; |
| ^^^^^ |
| |
| test.wgsl:1:19 error: unexpected token |
| @location(1) group(2) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrLocationMissingLParen) { |
| EXPECT("@location 1) var i : i32;", |
| R"(test.wgsl:1:11 error: expected '(' for location attribute |
| @location 1) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrLocationMissingRParen) { |
| EXPECT("@location (1 var i : i32;", |
| R"(test.wgsl:1:14 error: expected ')' for location attribute |
| @location (1 var i : i32; |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrLocationInvalidValue) { |
| EXPECT("@location(x) var i : i32;", |
| R"(test.wgsl:1:11 error: expected signed integer literal for location attribute |
| @location(x) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBuiltinMissingLParen) { |
| EXPECT("@builtin position) var i : i32;", |
| R"(test.wgsl:1:10 error: expected '(' for builtin attribute |
| @builtin position) var i : i32; |
| ^^^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBuiltinMissingRParen) { |
| EXPECT("@builtin(position var i : i32;", |
| R"(test.wgsl:1:19 error: expected ')' for builtin attribute |
| @builtin(position var i : i32; |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBuiltinInvalidIdentifer) { |
| EXPECT("@builtin(1) var i : i32;", |
| R"(test.wgsl:1:10 error: expected identifier for builtin |
| @builtin(1) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBuiltinInvalidValue) { |
| EXPECT("@builtin(x) var i : i32;", |
| R"(test.wgsl:1:10 error: invalid value for builtin attribute |
| @builtin(x) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBindingMissingLParen) { |
| EXPECT("@binding 1) var i : i32;", |
| R"(test.wgsl:1:10 error: expected '(' for binding attribute |
| @binding 1) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBindingMissingRParen) { |
| EXPECT("@binding(1 var i : i32;", |
| R"(test.wgsl:1:12 error: expected ')' for binding attribute |
| @binding(1 var i : i32; |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBindingInvalidValue) { |
| EXPECT("@binding(x) var i : i32;", |
| R"(test.wgsl:1:10 error: expected signed integer literal for binding attribute |
| @binding(x) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrGroupMissingLParen) { |
| EXPECT("@group 1) var i : i32;", |
| R"(test.wgsl:1:8 error: expected '(' for group attribute |
| @group 1) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrGroupMissingRParen) { |
| EXPECT("@group(1 var i : i32;", |
| R"(test.wgsl:1:10 error: expected ')' for group attribute |
| @group(1 var i : i32; |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAttrBindingGroupValue) { |
| EXPECT("@group(x) var i : i32;", |
| R"(test.wgsl:1:8 error: expected signed integer literal for group attribute |
| @group(x) var i : i32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarInvalidIdentifier) { |
| EXPECT("var ^ : mat4x4;", |
| R"(test.wgsl:1:5 error: expected identifier for variable declaration |
| var ^ : mat4x4; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarMatrixMissingGreaterThan) { |
| EXPECT("var i : mat4x4<u32;", R"(test.wgsl:1:19 error: expected '>' for matrix |
| var i : mat4x4<u32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarMatrixMissingType) { |
| EXPECT("var i : mat4x4<1>;", R"(test.wgsl:1:16 error: invalid type for matrix |
| var i : mat4x4<1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarMissingSemicolon) { |
| EXPECT("var i : i32", |
| R"(test.wgsl:1:12 error: expected ';' for variable declaration |
| var i : i32 |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarPtrMissingLessThan) { |
| EXPECT("var i : ptr;", |
| R"(test.wgsl:1:12 error: expected '<' for ptr declaration |
| var i : ptr; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarPtrMissingGreaterThan) { |
| EXPECT("var i : ptr<private, u32;", |
| R"(test.wgsl:1:25 error: expected '>' for ptr declaration |
| var i : ptr<private, u32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarPtrMissingComma) { |
| EXPECT("var i : ptr<private u32>;", |
| R"(test.wgsl:1:21 error: expected ',' for ptr declaration |
| var i : ptr<private u32>; |
| ^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarPtrMissingStorageClass) { |
| EXPECT("var i : ptr<meow, u32>;", |
| R"(test.wgsl:1:13 error: invalid storage class for ptr declaration |
| var i : ptr<meow, u32>; |
| ^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarPtrMissingType) { |
| EXPECT("var i : ptr<private, 1>;", |
| R"(test.wgsl:1:22 error: invalid type for ptr declaration |
| var i : ptr<private, 1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAtomicMissingLessThan) { |
| EXPECT("var i : atomic;", |
| R"(test.wgsl:1:15 error: expected '<' for atomic declaration |
| var i : atomic; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarAtomicMissingGreaterThan) { |
| EXPECT("var i : atomic<u32 x;", |
| R"(test.wgsl:1:20 error: expected '>' for atomic declaration |
| var i : atomic<u32 x; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarStorageDeclInvalidClass) { |
| EXPECT("var<fish> i : i32", |
| R"(test.wgsl:1:5 error: invalid storage class for variable declaration |
| var<fish> i : i32 |
| ^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarStorageDeclMissingGThan) { |
| EXPECT("var<private i : i32", |
| R"(test.wgsl:1:13 error: expected '>' for variable declaration |
| var<private i : i32 |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarVectorMissingGreaterThan) { |
| EXPECT("var i : vec3<u32;", R"(test.wgsl:1:17 error: expected '>' for vector |
| var i : vec3<u32; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, GlobalDeclVarVectorMissingType) { |
| EXPECT("var i : vec3<1>;", R"(test.wgsl:1:14 error: invalid type for vector |
| var i : vec3<1>; |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, IfStmtMissingRParen) { |
| EXPECT("fn f() { if (true {} }", R"(test.wgsl:1:19 error: expected ')' |
| fn f() { if (true {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, IfStmtInvalidCond) { |
| EXPECT("fn f() { if (>) {} }", |
| R"(test.wgsl:1:14 error: unable to parse expression |
| fn f() { if (>) {} } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, LogicalAndInvalidExpr) { |
| EXPECT("fn f() { return 1 && >; }", |
| R"(test.wgsl:1:22 error: unable to parse right side of && expression |
| fn f() { return 1 && >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, LogicalOrInvalidExpr) { |
| EXPECT("fn f() { return 1 || >; }", |
| R"(test.wgsl:1:22 error: unable to parse right side of || expression |
| fn f() { return 1 || >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, LoopMissingLBrace) { |
| EXPECT("fn f() { loop }", R"(test.wgsl:1:15 error: expected '{' for loop |
| fn f() { loop } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, LoopMissingRBrace) { |
| EXPECT("fn f() { loop {", R"(test.wgsl:1:16 error: expected '}' for loop |
| fn f() { loop { |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, MaxErrorsReached) { |
| EXPECT("x; x; x; x; x; x; x; x;", R"(test.wgsl:1:1 error: unexpected token |
| x; x; x; x; x; x; x; x; |
| ^ |
| |
| test.wgsl:1:4 error: unexpected token |
| x; x; x; x; x; x; x; x; |
| ^ |
| |
| test.wgsl:1:7 error: unexpected token |
| x; x; x; x; x; x; x; x; |
| ^ |
| |
| test.wgsl:1:10 error: unexpected token |
| x; x; x; x; x; x; x; x; |
| ^ |
| |
| test.wgsl:1:13 error: unexpected token |
| x; x; x; x; x; x; x; x; |
| ^ |
| |
| test.wgsl error: stopping after 5 errors)"); |
| } |
| |
| TEST_F(ParserImplErrorTest, MemberExprMissingIdentifier) { |
| EXPECT("fn f() { x = a.; }", |
| R"(test.wgsl:1:16 error: expected identifier for member accessor |
| fn f() { x = a.; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, MultiplicativeInvalidExpr) { |
| EXPECT("fn f() { return 1.0 * <; }", |
| R"(test.wgsl:1:23 error: unable to parse right side of * expression |
| fn f() { return 1.0 * <; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, OrInvalidExpr) { |
| EXPECT("fn f() { return 1 | >; }", |
| R"(test.wgsl:1:21 error: unable to parse right side of | expression |
| fn f() { return 1 | >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, PostfixIncrementAsExpr) { |
| EXPECT("fn f() { var x : i32; let y = x++; }", |
| R"(test.wgsl:1:32 error: expected ';' for variable declaration |
| fn f() { var x : i32; let y = x++; } |
| ^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, RelationalInvalidExpr) { |
| EXPECT("fn f() { return 1 < >; }", |
| R"(test.wgsl:1:21 error: unable to parse right side of < expression |
| fn f() { return 1 < >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ReturnStmtMissingSemicolon) { |
| EXPECT("fn f() { return }", |
| R"(test.wgsl:1:17 error: expected ';' for return statement |
| fn f() { return } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, ShiftInvalidExpr) { |
| EXPECT("fn f() { return 1 << >; }", |
| R"(test.wgsl:1:22 error: unable to parse right side of << expression |
| fn f() { return 1 << >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtMissingLBrace) { |
| EXPECT("fn f() { switch(1) }", |
| R"(test.wgsl:1:20 error: expected '{' for switch statement |
| fn f() { switch(1) } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtMissingRBrace) { |
| EXPECT("fn f() { switch(1) {", |
| R"(test.wgsl:1:21 error: expected '}' for switch statement |
| fn f() { switch(1) { |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtInvalidCase) { |
| EXPECT("fn f() { switch(1) { case ^: } }", |
| R"(test.wgsl:1:27 error: unable to parse case selectors |
| fn f() { switch(1) { case ^: } } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtInvalidCase2) { |
| EXPECT("fn f() { switch(1) { case false: } }", |
| R"(test.wgsl:1:27 error: invalid case selector must be an integer value |
| fn f() { switch(1) { case false: } } |
| ^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtCaseMissingLBrace) { |
| EXPECT("fn f() { switch(1) { case 1: } }", |
| R"(test.wgsl:1:30 error: expected '{' for case statement |
| fn f() { switch(1) { case 1: } } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtCaseMissingRBrace) { |
| EXPECT("fn f() { switch(1) { case 1: {", |
| R"(test.wgsl:1:31 error: expected '}' for case statement |
| fn f() { switch(1) { case 1: { |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, SwitchStmtCaseFallthroughMissingSemicolon) { |
| EXPECT("fn f() { switch(1) { case 1: { fallthrough } case 2: {} } }", |
| R"(test.wgsl:1:44 error: expected ';' for fallthrough statement |
| fn f() { switch(1) { case 1: { fallthrough } case 2: {} } } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, VarStmtMissingSemicolon) { |
| EXPECT("fn f() { var a : u32 }", |
| R"(test.wgsl:1:22 error: expected ';' for variable declaration |
| fn f() { var a : u32 } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, VarStmtInvalidAssignment) { |
| EXPECT("fn f() { var a : u32 = >; }", |
| R"(test.wgsl:1:24 error: missing constructor for variable declaration |
| fn f() { var a : u32 = >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, UnaryInvalidExpr) { |
| EXPECT("fn f() { return !<; }", |
| R"(test.wgsl:1:18 error: unable to parse right side of ! expression |
| fn f() { return !<; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, UnexpectedToken) { |
| EXPECT("unexpected", R"(test.wgsl:1:1 error: unexpected token |
| unexpected |
| ^^^^^^^^^^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, XorInvalidExpr) { |
| EXPECT("fn f() { return 1 ^ >; }", |
| R"(test.wgsl:1:21 error: unable to parse right side of ^ expression |
| fn f() { return 1 ^ >; } |
| ^ |
| )"); |
| } |
| |
| TEST_F(ParserImplErrorTest, InvalidUTF8) { |
| EXPECT("fn fu\xd0nc() {}", |
| "test.wgsl:1:4 error: invalid UTF-8\n" |
| "fn fu\xD0nc() {}\n"); |
| } |
| |
| } // namespace |
| } // namespace tint::reader::wgsl |
