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fced350b3d
This is a cleaner API, and the implementation doesn't have to know a bunch of information about all the derived types. Change-Id: I96bebcb9f3ceda86fa34bd8e70961dee63fd7e13 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/59301 Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: Ben Clayton <bclayton@google.com> Kokoro: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_SEM_TYPE_H_
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#define SRC_SEM_TYPE_H_
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#include <string>
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#include "src/sem/node.h"
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namespace tint {
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// Forward declarations
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class ProgramBuilder;
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class SymbolTable;
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namespace sem {
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/// Supported memory layouts for calculating sizes
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enum class MemoryLayout { kUniformBuffer, kStorageBuffer };
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/// Base class for a type in the system
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class Type : public Castable<Type, Node> {
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public:
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/// Move constructor
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Type(Type&&);
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~Type() override;
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/// @returns the name for this type. The type name is unique over all types.
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virtual std::string type_name() const = 0;
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/// @param symbols the program's symbol table
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/// @returns the name for this type that closely resembles how it would be
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/// declared in WGSL.
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virtual std::string FriendlyName(const SymbolTable& symbols) const = 0;
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/// @returns the inner most pointee type if this is a pointer, `this`
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/// otherwise
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const Type* UnwrapPtr() const;
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/// @returns the inner type if this is a reference, `this` otherwise
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const Type* UnwrapRef() const;
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/// @returns the size in bytes of the type. This may include tail padding.
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/// @note opaque types will return a size of 0.
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virtual uint32_t Size() const;
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/// @returns the alignment in bytes of the type. This may include tail
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/// padding.
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/// @note opaque types will return a size of 0.
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virtual uint32_t Align() const;
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/// @returns true if constructible as per
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/// https://gpuweb.github.io/gpuweb/wgsl/#constructible-types
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virtual bool IsConstructible() const;
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/// @returns true if this type is a scalar
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bool is_scalar() const;
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/// @returns true if this type is a numeric scalar
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bool is_numeric_scalar() const;
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/// @returns true if this type is a float scalar
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bool is_float_scalar() const;
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/// @returns true if this type is a float matrix
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bool is_float_matrix() const;
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/// @returns true if this type is a float vector
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bool is_float_vector() const;
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/// @returns true if this type is a float scalar or vector
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bool is_float_scalar_or_vector() const;
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/// @returns true if this type is a float scalar or vector or matrix
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bool is_float_scalar_or_vector_or_matrix() const;
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/// @returns true if this type is an integer scalar
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bool is_integer_scalar() const;
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/// @returns true if this type is a signed integer scalar
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bool is_signed_integer_scalar() const;
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/// @returns true if this type is an unsigned integer scalar
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bool is_unsigned_integer_scalar() const;
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/// @returns true if this type is a signed integer vector
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bool is_signed_integer_vector() const;
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/// @returns true if this type is an unsigned vector
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bool is_unsigned_integer_vector() const;
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/// @returns true if this type is an unsigned scalar or vector
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bool is_unsigned_scalar_or_vector() const;
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/// @returns true if this type is a signed scalar or vector
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bool is_signed_scalar_or_vector() const;
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/// @returns true if this type is an integer scalar or vector
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bool is_integer_scalar_or_vector() const;
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/// @returns true if this type is a boolean vector
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bool is_bool_vector() const;
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/// @returns true if this type is boolean scalar or vector
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bool is_bool_scalar_or_vector() const;
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/// @returns true if this type is a numeric vector
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bool is_numeric_vector() const;
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/// @returns true if this type is a vector of scalar type
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bool is_scalar_vector() const;
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/// @returns true if this type is a numeric scale or vector
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bool is_numeric_scalar_or_vector() const;
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/// @returns true if this type is a handle type
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bool is_handle() const;
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protected:
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Type();
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};
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} // namespace sem
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} // namespace tint
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#endif // SRC_SEM_TYPE_H_
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