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[wgsl-reader] Deprecate old syntax for entry point IO 

Bug: tint:697
Change-Id: Ia6e066678753ef12dc41a753ba33c924bb662148
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/47480
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
This commit is contained in:
James Price 2021-04-09 19:58:58 +00:00 committed by Commit Bot service account
parent 6f7986d9b5
commit 3ee8c37cb6
3 changed files with 80 additions and 25 deletions
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15
src/reader/wgsl/parser_impl.cc
View File

@ -461,9 +461,22 @@ Maybe<ParserImpl::VarDeclInfo> ParserImpl::variable_decl() {
auto explicit_sc = variable_storage_decoration();
if (explicit_sc.errored)
return Failure::kErrored;
if (explicit_sc.matched)
if (explicit_sc.matched) {
sc = explicit_sc.value;
// TODO(crbug.com/tint/697): Remove this.
if (sc == ast::StorageClass::kInput) {
deprecated(explicit_sc.source,
"use an entry point parameter instead of a variable in the "
"`in` storage class");
}
if (sc == ast::StorageClass::kOutput) {
deprecated(explicit_sc.source,
"use an entry point return value instead of a variable in the "
"`out` storage class");
}
}
auto decl = expect_variable_ident_decl("variable declaration");
if (decl.errored)
return Failure::kErrored;

10
src/reader/wgsl/parser_impl_global_decl_test.cc
View File

@ -26,7 +26,7 @@ TEST_F(ParserImplTest, GlobalDecl_Semicolon) {
}
TEST_F(ParserImplTest, GlobalDecl_GlobalVariable) {
auto p = parser("var<out> a : vec2<i32> = vec2<i32>(1, 2);");
auto p = parser("var<private> a : vec2<i32> = vec2<i32>(1, 2);");
p->expect_global_decl();
ASSERT_FALSE(p->has_error()) << p->error();
@ -38,17 +38,17 @@ TEST_F(ParserImplTest, GlobalDecl_GlobalVariable) {
}
TEST_F(ParserImplTest, GlobalDecl_GlobalVariable_Invalid) {
auto p = parser("var<out> a : vec2<invalid>;");
auto p = parser("var<private> a : vec2<invalid>;");
p->expect_global_decl();
ASSERT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:19: unknown constructed type 'invalid'");
EXPECT_EQ(p->error(), "1:23: unknown constructed type 'invalid'");
}
TEST_F(ParserImplTest, GlobalDecl_GlobalVariable_MissingSemicolon) {
auto p = parser("var<out> a : vec2<i32>");
auto p = parser("var<private> a : vec2<i32>");
p->expect_global_decl();
ASSERT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "1:23: expected ';' for variable declaration");
EXPECT_EQ(p->error(), "1:27: expected ';' for variable declaration");
}
TEST_F(ParserImplTest, GlobalDecl_GlobalConstant) {

80
src/reader/wgsl/parser_impl_global_variable_decl_test.cc
View File

@ -20,7 +20,7 @@ namespace wgsl {
namespace {
TEST_F(ParserImplTest, GlobalVariableDecl_WithoutConstructor) {
auto p = parser("var<out> a : f32");
auto p = parser("var<private> a : f32");
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_FALSE(decos.matched);
@ -32,18 +32,18 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithoutConstructor) {
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kOutput);
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kPrivate);
EXPECT_EQ(e->source().range.begin.line, 1u);
EXPECT_EQ(e->source().range.begin.column, 10u);
EXPECT_EQ(e->source().range.begin.column, 14u);
EXPECT_EQ(e->source().range.end.line, 1u);
EXPECT_EQ(e->source().range.end.column, 11u);
EXPECT_EQ(e->source().range.end.column, 15u);
ASSERT_EQ(e->constructor(), nullptr);
}
TEST_F(ParserImplTest, GlobalVariableDecl_WithConstructor) {
auto p = parser("var<out> a : f32 = 1.");
auto p = parser("var<private> a : f32 = 1.");
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_FALSE(decos.matched);
@ -55,12 +55,12 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithConstructor) {
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kOutput);
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kPrivate);
EXPECT_EQ(e->source().range.begin.line, 1u);
EXPECT_EQ(e->source().range.begin.column, 10u);
EXPECT_EQ(e->source().range.begin.column, 14u);
EXPECT_EQ(e->source().range.end.line, 1u);
EXPECT_EQ(e->source().range.end.column, 11u);
EXPECT_EQ(e->source().range.end.column, 15u);
ASSERT_NE(e->constructor(), nullptr);
ASSERT_TRUE(e->constructor()->Is<ast::ConstructorExpression>());
@ -68,7 +68,7 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithConstructor) {
}
TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration) {
auto p = parser("[[binding(2), group(1)]] var<out> a : f32");
auto p = parser("[[binding(2), group(1)]] var<uniform> a : f32");
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_TRUE(decos.matched);
@ -81,12 +81,12 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration) {
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
ASSERT_NE(e->declared_type(), nullptr);
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kOutput);
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kUniform);
EXPECT_EQ(e->source().range.begin.line, 1u);
EXPECT_EQ(e->source().range.begin.column, 35u);
EXPECT_EQ(e->source().range.begin.column, 39u);
EXPECT_EQ(e->source().range.end.line, 1u);
EXPECT_EQ(e->source().range.end.column, 36u);
EXPECT_EQ(e->source().range.end.column, 40u);
ASSERT_EQ(e->constructor(), nullptr);
@ -97,7 +97,7 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration) {
}
TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration_MulitpleGroups) {
auto p = parser("[[binding(2)]] [[group(1)]] var<out> a : f32");
auto p = parser("[[binding(2)]] [[group(1)]] var<uniform> a : f32");
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_TRUE(decos.matched);
@ -111,12 +111,12 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration_MulitpleGroups) {
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
ASSERT_NE(e->declared_type(), nullptr);
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kOutput);
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kUniform);
EXPECT_EQ(e->source().range.begin.line, 1u);
EXPECT_EQ(e->source().range.begin.column, 38u);
EXPECT_EQ(e->source().range.begin.column, 42u);
EXPECT_EQ(e->source().range.end.line, 1u);
EXPECT_EQ(e->source().range.end.column, 39u);
EXPECT_EQ(e->source().range.end.column, 43u);
ASSERT_EQ(e->constructor(), nullptr);
@ -127,7 +127,7 @@ TEST_F(ParserImplTest, GlobalVariableDecl_WithDecoration_MulitpleGroups) {
}
TEST_F(ParserImplTest, GlobalVariableDecl_InvalidDecoration) {
auto p = parser("[[binding()]] var<out> a : f32");
auto p = parser("[[binding()]] var<uniform> a : f32");
auto decos = p->decoration_list();
EXPECT_TRUE(decos.errored);
EXPECT_FALSE(decos.matched);
@ -143,7 +143,7 @@ TEST_F(ParserImplTest, GlobalVariableDecl_InvalidDecoration) {
}
TEST_F(ParserImplTest, GlobalVariableDecl_InvalidConstExpr) {
auto p = parser("var<out> a : f32 = if (a) {}");
auto p = parser("var<private> a : f32 = if (a) {}");
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_FALSE(decos.matched);
@ -152,7 +152,7 @@ TEST_F(ParserImplTest, GlobalVariableDecl_InvalidConstExpr) {
EXPECT_TRUE(e.errored);
EXPECT_FALSE(e.matched);
EXPECT_EQ(e.value, nullptr);
EXPECT_EQ(p->error(), "1:20: unable to parse constant literal");
EXPECT_EQ(p->error(), "1:24: unable to parse constant literal");
}
TEST_F(ParserImplTest, GlobalVariableDecl_InvalidVariableDecl) {
@ -200,6 +200,48 @@ TEST_F(ParserImplTest, GlobalVariableDecl_TextureImplicitStorageClass) {
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kUniformConstant);
}
TEST_F(ParserImplTest, GlobalVariableDecl_StorageClassIn_Deprecated) {
auto p = parser("[[location(0)]] var<in> a : f32");
auto f = p->function_header();
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_TRUE(decos.matched);
auto e = p->global_variable_decl(decos.value);
ASSERT_FALSE(p->has_error()) << p->error();
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kInput);
EXPECT_EQ(
p->builder().Diagnostics().str(),
R"(test.wgsl:1:21 warning: use of deprecated language feature: use an entry point parameter instead of a variable in the `in` storage class
[[location(0)]] var<in> a : f32
^^
)");
}
TEST_F(ParserImplTest, GlobalVariableDecl_StorageClassOut_Deprecated) {
auto p = parser("[[location(0)]] var<out> a : f32");
auto f = p->function_header();
auto decos = p->decoration_list();
EXPECT_FALSE(decos.errored);
EXPECT_TRUE(decos.matched);
auto e = p->global_variable_decl(decos.value);
ASSERT_FALSE(p->has_error()) << p->error();
EXPECT_EQ(e->symbol(), p->builder().Symbols().Get("a"));
EXPECT_TRUE(e->declared_type()->Is<type::F32>());
EXPECT_EQ(e->declared_storage_class(), ast::StorageClass::kOutput);
EXPECT_EQ(
p->builder().Diagnostics().str(),
R"(test.wgsl:1:21 warning: use of deprecated language feature: use an entry point return value instead of a variable in the `out` storage class
[[location(0)]] var<out> a : f32
^^^
)");
}
} // namespace
} // namespace wgsl
} // namespace reader