Condense namespaces in tint/writer.

This PR condenses the namespaces in the tint/writer folder.

Change-Id: I66b28d6e70b99834dc6a25fee4c71e3036e0864a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/86026
Auto-Submit: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>

src/tint/writer/append_vector.cc

@@ -23,9 +23,7 @@
 #include "src/tint/sem/type_conversion.h"
 #include "src/tint/utils/transform.h"
 
-namespace tint {
-namespace writer {
-
+namespace tint::writer {
 namespace {
 
 struct VectorConstructorInfo {
@@ -172,5 +170,4 @@ const sem::Call* AppendVector(ProgramBuilder* b,
   return constructor_sem;
 }
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/append_vector.h

@@ -17,14 +17,13 @@
 
 #include "src/tint/program_builder.h"
 
-namespace tint {
-
-namespace ast {
+// Forward Declarations
+namespace tint::ast {
 class CallExpression;
 class Expression;
-}  // namespace ast
+}  // namespace tint::ast
 
-namespace writer {
+namespace tint::writer {
 
 /// A helper function used to append a vector with an additional scalar.
 /// If the scalar's type does not match the target vector element type,
@@ -40,7 +39,6 @@ const sem::Call* AppendVector(ProgramBuilder* builder,
                               const ast::Expression* vector,
                               const ast::Expression* scalar);
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_APPEND_VECTOR_H_

src/tint/writer/append_vector_test.cc

@@ -19,8 +19,7 @@
 
 #include "gtest/gtest.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 namespace {
 
 class AppendVectorTest : public ::testing::Test, public ProgramBuilder {};
@@ -484,5 +483,4 @@ TEST_F(AppendVectorTest, ZeroVec3i32_i32) {
 }
 
 }  // namespace
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/array_length_from_uniform_options.cc

@@ -14,8 +14,7 @@
 
 #include "src/tint/writer/array_length_from_uniform_options.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 ArrayLengthFromUniformOptions::ArrayLengthFromUniformOptions() = default;
 ArrayLengthFromUniformOptions::~ArrayLengthFromUniformOptions() = default;
@@ -26,5 +25,4 @@ ArrayLengthFromUniformOptions& ArrayLengthFromUniformOptions::operator=(
 ArrayLengthFromUniformOptions::ArrayLengthFromUniformOptions(
     ArrayLengthFromUniformOptions&&) = default;
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/array_length_from_uniform_options.h

@@ -19,8 +19,7 @@
 
 #include "src/tint/sem/binding_point.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 /// Options used to specify a mapping of binding points to indices into a UBO
 /// from which to load buffer sizes.
@@ -49,7 +48,6 @@ struct ArrayLengthFromUniformOptions {
   // struct members.
 };
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_ARRAY_LENGTH_FROM_UNIFORM_OPTIONS_H_

src/tint/writer/float_to_string.cc

@@ -23,8 +23,7 @@
 
 #include "src/tint/debug.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 std::string FloatToString(float f) {
   // Try printing the float in fixed point, with a smallish limit on the
@@ -154,5 +153,4 @@ std::string FloatToBitPreservingString(float f) {
   return ss.str();
 }
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/float_to_string.h

@@ -17,8 +17,7 @@
 
 #include <string>
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 /// Converts the float `f` to a string using fixed-point notation (not
 /// scientific). The float will be printed with the full precision required to
@@ -33,7 +32,6 @@ std::string FloatToString(float f);
 /// @return the float f formatted to a string
 std::string FloatToBitPreservingString(float f);
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_FLOAT_TO_STRING_H_

src/tint/writer/float_to_string_test.cc

@@ -20,8 +20,7 @@
 
 #include "gtest/gtest.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 namespace {
 
 // Makes an IEEE 754 binary32 floating point number with
@@ -222,5 +221,4 @@ TEST(FloatToBitPreservingStringTest, DISABLED_NaN_NonMsb) {
 }
 
 }  // namespace
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/text.cc

@@ -14,10 +14,8 @@
 
 #include "src/tint/writer/text.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 Text::~Text() = default;
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/text.h

@@ -19,8 +19,7 @@
 
 #include "src/tint/writer/writer.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 /// Class to generate text source
 class Text : public Writer {
@@ -31,7 +30,6 @@ class Text : public Writer {
   virtual std::string result() const = 0;
 };
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_TEXT_H_

src/tint/writer/text_generator.cc

@@ -19,8 +19,7 @@
 
 #include "src/tint/utils/map.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 TextGenerator::TextGenerator(const Program* program)
     : program_(program), builder_(ProgramBuilder::Wrap(program)) {}
@@ -151,5 +150,4 @@ TextGenerator::ScopedIndent::~ScopedIndent() {
   buffer_->DecrementIndent();
 }
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/text_generator.h

@@ -24,8 +24,7 @@
 #include "src/tint/diagnostic/diagnostic.h"
 #include "src/tint/program_builder.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 /// Helper methods for generators which are creating text output
 class TextGenerator {
@@ -236,7 +235,6 @@ class TextGenerator {
   std::unordered_map<const sem::Struct*, std::string> builtin_struct_names_;
 };
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_TEXT_GENERATOR_H_

src/tint/writer/text_generator_test.cc

@@ -16,8 +16,7 @@
 
 #include "gtest/gtest.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 namespace {
 
 TEST(TextGeneratorTest, UniqueIdentifier) {
@@ -44,5 +43,4 @@ TEST(TextGeneratorTest, UniqueIdentifier_ConflictWithExisting) {
 }
 
 }  // namespace
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/writer.cc

@@ -14,10 +14,8 @@
 
 #include "src/tint/writer/writer.h"
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 Writer::~Writer() = default;
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer

src/tint/writer/writer.h

@@ -17,8 +17,7 @@
 
 #include <string>
 
-namespace tint {
-namespace writer {
+namespace tint::writer {
 
 /// Base class for the output writers
 class Writer {
@@ -41,7 +40,6 @@ class Writer {
   std::string error_;
 };
 
-}  // namespace writer
-}  // namespace tint
+}  // namespace tint::writer
 
 #endif  // SRC_TINT_WRITER_WRITER_H_