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// 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_TINT_LANG_WGSL_AST_BUILDER_H_
#define SRC_TINT_LANG_WGSL_AST_BUILDER_H_
#include <string>
#include <unordered_set>
#include <utility>
#include "src/tint/api/common/override_id.h"
#include "src/tint/lang/core/constant/manager.h"
#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/core/interpolation_sampling.h"
#include "src/tint/lang/core/interpolation_type.h"
#include "src/tint/lang/core/number.h"
#include "src/tint/lang/core/type/array.h"
#include "src/tint/lang/core/type/bool.h"
#include "src/tint/lang/core/type/depth_texture.h"
#include "src/tint/lang/core/type/external_texture.h"
#include "src/tint/lang/core/type/f16.h"
#include "src/tint/lang/core/type/f32.h"
#include "src/tint/lang/core/type/i32.h"
#include "src/tint/lang/core/type/matrix.h"
#include "src/tint/lang/core/type/multisampled_texture.h"
#include "src/tint/lang/core/type/pointer.h"
#include "src/tint/lang/core/type/sampled_texture.h"
#include "src/tint/lang/core/type/sampler_kind.h"
#include "src/tint/lang/core/type/storage_texture.h"
#include "src/tint/lang/core/type/texture_dimension.h"
#include "src/tint/lang/core/type/u32.h"
#include "src/tint/lang/core/type/vector.h"
#include "src/tint/lang/core/type/void.h"
#include "src/tint/lang/wgsl/ast/alias.h"
#include "src/tint/lang/wgsl/ast/assignment_statement.h"
#include "src/tint/lang/wgsl/ast/binary_expression.h"
#include "src/tint/lang/wgsl/ast/binding_attribute.h"
#include "src/tint/lang/wgsl/ast/blend_src_attribute.h"
#include "src/tint/lang/wgsl/ast/bool_literal_expression.h"
#include "src/tint/lang/wgsl/ast/break_if_statement.h"
#include "src/tint/lang/wgsl/ast/break_statement.h"
#include "src/tint/lang/wgsl/ast/call_expression.h"
#include "src/tint/lang/wgsl/ast/call_statement.h"
#include "src/tint/lang/wgsl/ast/case_statement.h"
#include "src/tint/lang/wgsl/ast/color_attribute.h"
#include "src/tint/lang/wgsl/ast/compound_assignment_statement.h"
#include "src/tint/lang/wgsl/ast/const.h"
#include "src/tint/lang/wgsl/ast/const_assert.h"
#include "src/tint/lang/wgsl/ast/continue_statement.h"
#include "src/tint/lang/wgsl/ast/diagnostic_attribute.h"
#include "src/tint/lang/wgsl/ast/diagnostic_control.h"
#include "src/tint/lang/wgsl/ast/diagnostic_directive.h"
#include "src/tint/lang/wgsl/ast/diagnostic_rule_name.h"
#include "src/tint/lang/wgsl/ast/disable_validation_attribute.h"
#include "src/tint/lang/wgsl/ast/discard_statement.h"
#include "src/tint/lang/wgsl/ast/enable.h"
#include "src/tint/lang/wgsl/ast/float_literal_expression.h"
#include "src/tint/lang/wgsl/ast/for_loop_statement.h"
#include "src/tint/lang/wgsl/ast/id_attribute.h"
#include "src/tint/lang/wgsl/ast/identifier.h"
#include "src/tint/lang/wgsl/ast/if_statement.h"
#include "src/tint/lang/wgsl/ast/increment_decrement_statement.h"
#include "src/tint/lang/wgsl/ast/index_accessor_expression.h"
#include "src/tint/lang/wgsl/ast/int_literal_expression.h"
#include "src/tint/lang/wgsl/ast/interpolate_attribute.h"
#include "src/tint/lang/wgsl/ast/invariant_attribute.h"
#include "src/tint/lang/wgsl/ast/let.h"
#include "src/tint/lang/wgsl/ast/loop_statement.h"
#include "src/tint/lang/wgsl/ast/member_accessor_expression.h"
#include "src/tint/lang/wgsl/ast/module.h"
#include "src/tint/lang/wgsl/ast/must_use_attribute.h"
#include "src/tint/lang/wgsl/ast/override.h"
#include "src/tint/lang/wgsl/ast/parameter.h"
#include "src/tint/lang/wgsl/ast/phony_expression.h"
#include "src/tint/lang/wgsl/ast/requires.h"
#include "src/tint/lang/wgsl/ast/return_statement.h"
#include "src/tint/lang/wgsl/ast/stage_attribute.h"
#include "src/tint/lang/wgsl/ast/stride_attribute.h"
#include "src/tint/lang/wgsl/ast/struct.h"
#include "src/tint/lang/wgsl/ast/struct_member_align_attribute.h"
#include "src/tint/lang/wgsl/ast/struct_member_offset_attribute.h"
#include "src/tint/lang/wgsl/ast/struct_member_size_attribute.h"
#include "src/tint/lang/wgsl/ast/switch_statement.h"
#include "src/tint/lang/wgsl/ast/templated_identifier.h"
#include "src/tint/lang/wgsl/ast/type.h"
#include "src/tint/lang/wgsl/ast/unary_op_expression.h"
#include "src/tint/lang/wgsl/ast/var.h"
#include "src/tint/lang/wgsl/ast/variable_decl_statement.h"
#include "src/tint/lang/wgsl/ast/while_statement.h"
#include "src/tint/lang/wgsl/ast/workgroup_attribute.h"
#include "src/tint/lang/wgsl/builtin_fn.h"
#include "src/tint/lang/wgsl/extension.h"
#include "src/tint/utils/id/generation_id.h"
#include "src/tint/utils/text/string.h"
#ifdef CURRENTLY_IN_TINT_PUBLIC_HEADER
#error "internal tint header being #included from tint.h"
#endif
// Forward declarations
namespace tint::ast {
class CloneContext;
class VariableDeclStatement;
} // namespace tint::ast
namespace tint::ast {
/// Evaluates to true if T is a Infer, AInt or AFloat.
template <typename T>
static constexpr const bool IsInferOrAbstract =
std::is_same_v<std::decay_t<T>, core::fluent_types::Infer> || core::IsAbstract<std::decay_t<T>>;
// Forward declare metafunction that evaluates to true iff T can be wrapped in a statement.
template <typename T, typename = void>
struct CanWrapInStatement;
/// Builder is a mutable builder for AST nodes.
/// To construct a Program, populate the builder and then `std::move` it to a
/// Program.
class Builder {
/// Evaluates to true if T is a Source
template <typename T>
static constexpr const bool IsSource = std::is_same_v<T, Source>;
/// Evaluates to true if T is a Number or bool.
template <typename T>
static constexpr const bool IsScalar =
std::is_integral_v<core::UnwrapNumber<T>> ||
std::is_floating_point_v<core::UnwrapNumber<T>> || std::is_same_v<T, bool>;
/// Evaluates to true if T can be converted to an identifier.
template <typename T>
static constexpr const bool IsIdentifierLike = std::is_same_v<T, Symbol> || // Symbol
std::is_enum_v<T> || // Enum
traits::IsStringLike<T>; // String
/// A helper used to disable overloads if the first type in `TYPES` is a Source. Used to avoid
/// ambiguities in overloads that take a Source as the first parameter and those that
/// perfectly-forward the first argument.
template <typename... TYPES>
using DisableIfSource =
traits::EnableIf<!IsSource<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to disable overloads if the first type in `TYPES` is a scalar type. Used to
/// avoid ambiguities in overloads that take a scalar as the first parameter and those that
/// perfectly-forward the first argument.
template <typename... TYPES>
using DisableIfScalar =
traits::EnableIf<!IsScalar<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to enable overloads if the first type in `TYPES` is a scalar type. Used to
/// avoid ambiguities in overloads that take a scalar as the first parameter and those that
/// perfectly-forward the first argument.
template <typename... TYPES>
using EnableIfScalar =
traits::EnableIf<IsScalar<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to disable overloads if the first type in `TYPES` is a Vector or
/// VectorRef.
template <typename... TYPES>
using DisableIfVectorLike =
traits::EnableIf<!IsVectorLike<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to enable overloads if the first type in `TYPES` is identifier-like.
template <typename... TYPES>
using EnableIfIdentifierLike =
traits::EnableIf<IsIdentifierLike<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to disable overloads if the first type in `TYPES` is Infer or an abstract
/// numeric.
template <typename... TYPES>
using DisableIfInferOrAbstract =
traits::EnableIf<!IsInferOrAbstract<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// A helper used to enable overloads if the first type in `TYPES` is Infer or an abstract
/// numeric.
template <typename... TYPES>
using EnableIfInferOrAbstract =
traits::EnableIf<IsInferOrAbstract<traits::Decay<traits::NthTypeOf<0, TYPES..., void>>>>;
/// VarOptions is a helper for accepting an arbitrary number of order independent options for
/// constructing an ast::Var.
struct VarOptions {
template <typename... ARGS>
explicit VarOptions(Builder& b, ARGS&&... args) {
(Set(b, std::forward<ARGS>(args)), ...);
}
~VarOptions();
ast::Type type;
const ast::Expression* address_space = nullptr;
const ast::Expression* access = nullptr;
const ast::Expression* initializer = nullptr;
Vector<const ast::Attribute*, 4> attributes;
private:
void Set(Builder&, ast::Type t) { type = t; }
void Set(Builder& b, core::AddressSpace addr_space) {
if (addr_space != core::AddressSpace::kUndefined) {
address_space = b.Expr(addr_space);
}
}
void Set(Builder& b, core::Access ac) {
if (ac != core::Access::kUndefined) {
access = b.Expr(ac);
}
}
void Set(Builder&, const ast::Expression* c) { initializer = c; }
void Set(Builder&, VectorRef<const ast::Attribute*> l) { attributes = std::move(l); }
void Set(Builder&, const ast::Attribute* a) { attributes.Push(a); }
};
/// LetOptions is a helper for accepting an arbitrary number of order independent options for
/// constructing an ast::Let.
struct LetOptions {
template <typename... ARGS>
explicit LetOptions(ARGS&&... args) {
static constexpr bool has_init =
(traits::IsTypeOrDerived<traits::PtrElTy<ARGS>, ast::Expression> || ...);
static_assert(has_init, "Let() must be constructed with an initializer expression");
(Set(std::forward<ARGS>(args)), ...);
}
~LetOptions();
ast::Type type;
const ast::Expression* initializer = nullptr;
Vector<const ast::Attribute*, 4> attributes;
private:
void Set(ast::Type t) { type = t; }
void Set(const ast::Expression* c) { initializer = c; }
void Set(VectorRef<const ast::Attribute*> l) { attributes = std::move(l); }
void Set(const ast::Attribute* a) { attributes.Push(a); }
};
/// ConstOptions is a helper for accepting an arbitrary number of order independent options for
/// constructing an ast::Const.
struct ConstOptions {
template <typename... ARGS>
explicit ConstOptions(ARGS&&... args) {
static constexpr bool has_init =
(traits::IsTypeOrDerived<traits::PtrElTy<ARGS>, ast::Expression> || ...);
static_assert(has_init, "Const() must be constructed with an initializer expression");
(Set(std::forward<ARGS>(args)), ...);
}
~ConstOptions();
ast::Type type;
const ast::Expression* initializer = nullptr;
Vector<const ast::Attribute*, 4> attributes;
private:
void Set(ast::Type t) { type = t; }
void Set(const ast::Expression* c) { initializer = c; }
void Set(VectorRef<const ast::Attribute*> l) { attributes = std::move(l); }
void Set(const ast::Attribute* a) { attributes.Push(a); }
};
/// OverrideOptions is a helper for accepting an arbitrary number of order independent options
/// for constructing an ast::Override.
struct OverrideOptions {
template <typename... ARGS>
explicit OverrideOptions(ARGS&&... args) {
(Set(std::forward<ARGS>(args)), ...);
}
~OverrideOptions();
ast::Type type;
const ast::Expression* initializer = nullptr;
Vector<const ast::Attribute*, 4> attributes;
private:
void Set(ast::Type t) { type = t; }
void Set(const ast::Expression* c) { initializer = c; }
void Set(VectorRef<const ast::Attribute*> l) { attributes = std::move(l); }
void Set(const ast::Attribute* a) { attributes.Push(a); }
};
public:
/// ASTNodeAllocator is an alias to BlockAllocator<ast::Node>
using ASTNodeAllocator = BlockAllocator<ast::Node>;
/// Constructor
Builder();
/// Move constructor
/// @param rhs the builder to move
Builder(Builder&& rhs);
/// Destructor
~Builder();
/// Move assignment operator
/// @param rhs the builder to move
/// @return this builder
Builder& operator=(Builder&& rhs);
/// @returns the unique identifier for this program
GenerationID ID() const { return id_; }
/// @returns a reference to the program's AST nodes storage
ASTNodeAllocator& ASTNodes() {
AssertNotMoved();
return ast_nodes_;
}
/// @returns a reference to the program's AST nodes storage
const ASTNodeAllocator& ASTNodes() const {
AssertNotMoved();
return ast_nodes_;
}
/// @returns a reference to the program's AST root Module
ast::Module& AST() {
AssertNotMoved();
return *ast_;
}
/// @returns a reference to the program's AST root Module
const ast::Module& AST() const {
AssertNotMoved();
return *ast_;
}
/// @returns a reference to the program's SymbolTable
SymbolTable& Symbols() {
AssertNotMoved();
return symbols_;
}
/// @returns a reference to the program's SymbolTable
const SymbolTable& Symbols() const {
AssertNotMoved();
return symbols_;
}
/// @returns a reference to the program's diagnostics
diag::List& Diagnostics() {
AssertNotMoved();
return diagnostics_;
}
/// @returns a reference to the program's diagnostics
const diag::List& Diagnostics() const {
AssertNotMoved();
return diagnostics_;
}
/// @returns true if the program has no error diagnostics and is not missing
/// information
bool IsValid() const;
/// @returns the last allocated (numerically highest) AST node identifier.
ast::NodeID LastAllocatedNodeID() const { return last_ast_node_id_; }
/// @returns the next sequentially unique node identifier.
ast::NodeID AllocateNodeID() {
auto out = ast::NodeID{last_ast_node_id_.value + 1};
last_ast_node_id_ = out;
return out;
}
/// Creates a new ast::Node owned by the Builder. When the
/// Builder is destructed, the ast::Node will also be destructed.
/// @param source the Source of the node
/// @param args the arguments to pass to the constructor
/// @returns the node pointer
template <typename T, typename... ARGS>
traits::EnableIfIsType<T, ast::Node>* create(const Source& source, ARGS&&... args) {
AssertNotMoved();
return ast_nodes_.Create<T>(id_, AllocateNodeID(), source, std::forward<ARGS>(args)...);
}
/// Creates a new ast::Node owned by the Builder, injecting the current
/// Source as set by the last call to SetSource() as the only argument to the
/// constructor.
/// When the Builder is destructed, the ast::Node will also be
/// destructed.
/// @returns the node pointer
template <typename T>
traits::EnableIfIsType<T, ast::Node>* create() {
AssertNotMoved();
return ast_nodes_.Create<T>(id_, AllocateNodeID(), source_);
}
/// Creates a new ast::Node owned by the Builder, injecting the current
/// Source as set by the last call to SetSource() as the first argument to the
/// constructor.
/// When the Builder is destructed, the ast::Node will also be
/// destructed.
/// @param arg0 the first arguments to pass to the constructor
/// @param args the remaining arguments to pass to the constructor
/// @returns the node pointer
template <typename T, typename ARG0, typename... ARGS>
traits::EnableIf</* T is ast::Node and ARG0 is not Source */
traits::IsTypeOrDerived<T, ast::Node> &&
!traits::IsTypeOrDerived<ARG0, Source>,
T>*
create(ARG0&& arg0, ARGS&&... args) {
AssertNotMoved();
return ast_nodes_.Create<T>(id_, AllocateNodeID(), source_, std::forward<ARG0>(arg0),
std::forward<ARGS>(args)...);
}
/// Marks this builder as moved, preventing any further use of the builder.
void MarkAsMoved();
//////////////////////////////////////////////////////////////////////////////
// TypesBuilder
//////////////////////////////////////////////////////////////////////////////
/// TypesBuilder holds basic `tint` types and methods for constructing
/// complex types.
class TypesBuilder {
public:
/// Constructor
/// @param builder the program builder
explicit TypesBuilder(Builder* builder);
/// @return the C type `T`.
template <typename T>
ast::Type Of() const {
return CToAST<T>::get(this);
}
/// @param type the type to return
/// @return type (passthrough)
ast::Type operator()(const ast::Type& type) const { return type; }
/// Creates a type
/// @param name the name
/// @param args the optional template arguments
/// @returns the type
template <typename NAME,
typename... ARGS,
typename = DisableIfSource<NAME>,
typename = std::enable_if_t<!std::is_same_v<std::decay_t<NAME>, ast::Type>>>
ast::Type operator()(NAME&& name, ARGS&&... args) const {
if constexpr (traits::IsTypeOrDerived<traits::PtrElTy<NAME>, ast::Expression>) {
static_assert(sizeof...(ARGS) == 0);
return {name};
} else {
return {builder->Expr(
builder->Ident(std::forward<NAME>(name), std::forward<ARGS>(args)...))};
}
}
/// Creates a type
/// @param source the Source of the node
/// @param name the name
/// @param args the optional template arguments
/// @returns the type
template <typename NAME,
typename... ARGS,
typename = std::enable_if_t<!std::is_same_v<std::decay_t<NAME>, ast::Type>>>
ast::Type operator()(const Source& source, NAME&& name, ARGS&&... args) const {
return {builder->Expr(
builder->Ident(source, std::forward<NAME>(name), std::forward<ARGS>(args)...))};
}
/// @returns a a nullptr expression wrapped in an ast::Type
ast::Type void_() const { return ast::Type{}; }
/// @returns a 'bool' type
ast::Type bool_() const { return (*this)("bool"); }
/// @param source the Source of the node
/// @returns a 'bool' type
ast::Type bool_(const Source& source) const { return (*this)(source, "bool"); }
/// @returns a 'f16' type
ast::Type f16() const { return (*this)("f16"); }
/// @param source the Source of the node
/// @returns a 'f16' type
ast::Type f16(const Source& source) const { return (*this)(source, "f16"); }
/// @returns a 'f32' type
ast::Type f32() const { return (*this)("f32"); }
/// @param source the Source of the node
/// @returns a 'f32' type
ast::Type f32(const Source& source) const { return (*this)(source, "f32"); }
/// @returns a 'i32' type
ast::Type i32() const { return (*this)("i32"); }
/// @param source the Source of the node
/// @returns a 'i32' type
ast::Type i32(const Source& source) const { return (*this)(source, "i32"); }
/// @returns a 'u32' type
ast::Type u32() const { return (*this)("u32"); }
/// @param source the Source of the node
/// @returns a 'u32' type
ast::Type u32(const Source& source) const { return (*this)(source, "u32"); }
/// @param type vector subtype
/// @param n vector width in elements
/// @return a @p n element vector of @p type
ast::Type vec(ast::Type type, uint32_t n) const { return vec(builder->source_, type, n); }
/// @param source the Source of the node
/// @param type vector subtype
/// @param n vector width in elements
/// @return a @p n element vector of @p type
ast::Type vec(const Source& source, ast::Type type, uint32_t n) const {
switch (n) {
case 2:
return vec2(source, type);
case 3:
return vec3(source, type);
case 4:
return vec4(source, type);
}
TINT_ICE() << "invalid vector width " << n;
return ast::Type{};
}
/// @param type vector subtype
/// @return a 2-element vector of @p type
ast::Type vec2(ast::Type type) const { return vec2(builder->source_, type); }
/// @param source the vector source
/// @param type vector subtype
/// @return a 2-element vector of @p type
ast::Type vec2(const Source& source, ast::Type type) const {
return (*this)(source, "vec2", type);
}
/// @param type vector subtype
/// @return a 3-element vector of @p type
ast::Type vec3(ast::Type type) const { return vec3(builder->source_, type); }
/// @param source the vector source
/// @param type vector subtype
/// @return a 3-element vector of @p type
ast::Type vec3(const Source& source, ast::Type type) const {
return (*this)(source, "vec3", type);
}
/// @param type vector subtype
/// @return a 4-element vector of @p type
ast::Type vec4(ast::Type type) const { return vec4(builder->source_, type); }
/// @param source the vector source
/// @param type vector subtype
/// @return a 4-element vector of @p type
ast::Type vec4(const Source& source, ast::Type type) const {
return (*this)(source, "vec4", type);
}
/// @param source the Source of the node
/// @return a 2-element vector of the type `T`
template <typename T>
ast::Type vec2(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "vec2");
} else {
return (*this)(source, "vec2", Of<T>());
}
}
/// @param source the Source of the node
/// @return a 3-element vector of the type `T`
template <typename T>
ast::Type vec3(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "vec3");
} else {
return (*this)(source, "vec3", Of<T>());
}
}
/// @param source the Source of the node
/// @return a 4-element vector of the type `T`
template <typename T>
ast::Type vec4(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "vec4");
} else {
return (*this)(source, "vec4", Of<T>());
}
}
/// @return a 2-element vector of the type `T`
template <typename T>
ast::Type vec2() const {
return vec2<T>(builder->source_);
}
/// @return a 3-element vector of the type `T`
template <typename T>
ast::Type vec3() const {
return vec3<T>(builder->source_);
}
/// @return a 4-element vector of the type `T`
template <typename T>
ast::Type vec4() const {
return vec4<T>(builder->source_);
}
/// @param source the Source of the node
/// @param n vector width in elements
/// @return a @p n element vector of @p type
template <typename T>
ast::Type vec(const Source& source, uint32_t n) const {
switch (n) {
case 2:
return vec2<T>(source);
case 3:
return vec3<T>(source);
case 4:
return vec4<T>(source);
}
TINT_ICE() << "invalid vector width " << n;
return ast::Type{};
}
/// @return a @p N element vector of @p type
template <typename T, uint32_t N>
ast::Type vec() const {
return vec<T>(builder->source_, N);
}
/// @param n vector width in elements
/// @return a @p n element vector of @p type
template <typename T>
ast::Type vec(uint32_t n) const {
return vec<T>(builder->source_, n);
}
/// @param type matrix subtype
/// @param columns number of columns for the matrix
/// @param rows number of rows for the matrix
/// @return a matrix of @p type
ast::Type mat(ast::Type type, uint32_t columns, uint32_t rows) const {
return mat(builder->source_, type, columns, rows);
}
/// @param source the Source of the node
/// @param type matrix subtype
/// @param columns number of columns for the matrix
/// @param rows number of rows for the matrix
/// @return a matrix of @p type
ast::Type mat(const Source& source, ast::Type type, uint32_t columns, uint32_t rows) const {
if (TINT_LIKELY(columns >= 2 && columns <= 4 && rows >= 2 && rows <= 4)) {
static constexpr const char* names[] = {
"mat2x2", "mat2x3", "mat2x4", //
"mat3x2", "mat3x3", "mat3x4", //
"mat4x2", "mat4x3", "mat4x4", //
};
auto i = (columns - 2) * 3 + (rows - 2);
return (*this)(source, names[i], type);
}
TINT_ICE() << "invalid matrix dimensions " << columns << "x" << rows;
return ast::Type{};
}
/// @param type matrix subtype
/// @return a 2x3 matrix of @p type.
ast::Type mat2x2(ast::Type type) const { return (*this)("mat2x2", type); }
/// @param type matrix subtype
/// @return a 2x3 matrix of @p type.
ast::Type mat2x3(ast::Type type) const { return (*this)("mat2x3", type); }
/// @param type matrix subtype
/// @return a 2x4 matrix of @p type.
ast::Type mat2x4(ast::Type type) const { return (*this)("mat2x4", type); }
/// @param type matrix subtype
/// @return a 3x2 matrix of @p type.
ast::Type mat3x2(ast::Type type) const { return (*this)("mat3x2", type); }
/// @param type matrix subtype
/// @return a 3x3 matrix of @p type.
ast::Type mat3x3(ast::Type type) const { return (*this)("mat3x3", type); }
/// @param type matrix subtype
/// @return a 3x4 matrix of @p type.
ast::Type mat3x4(ast::Type type) const { return (*this)("mat3x4", type); }
/// @param type matrix subtype
/// @return a 4x2 matrix of @p type.
ast::Type mat4x2(ast::Type type) const { return (*this)("mat4x2", type); }
/// @param type matrix subtype
/// @return a 4x3 matrix of @p type.
ast::Type mat4x3(ast::Type type) const { return (*this)("mat4x3", type); }
/// @param type matrix subtype
/// @return a 4x4 matrix of @p type.
ast::Type mat4x4(ast::Type type) const { return (*this)("mat4x4", type); }
/// @param source the source of the type
/// @return a 2x2 matrix of the type `T`
template <typename T>
ast::Type mat2x2(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat2x2");
} else {
return (*this)(source, "mat2x2", Of<T>());
}
}
/// @param source the source of the type
/// @return a 2x3 matrix of the type `T`
template <typename T>
ast::Type mat2x3(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat2x3");
} else {
return (*this)(source, "mat2x3", Of<T>());
}
}
/// @param source the source of the type
/// @return a 2x4 matrix of the type `T`
template <typename T>
ast::Type mat2x4(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat2x4");
} else {
return (*this)(source, "mat2x4", Of<T>());
}
}
/// @param source the source of the type
/// @return a 3x2 matrix of the type `T`
template <typename T>
ast::Type mat3x2(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat3x2");
} else {
return (*this)(source, "mat3x2", Of<T>());
}
}
/// @param source the source of the type
/// @return a 3x3 matrix of the type `T`
template <typename T>
ast::Type mat3x3(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat3x3");
} else {
return (*this)(source, "mat3x3", Of<T>());
}
}
/// @param source the source of the type
/// @return a 3x4 matrix of the type `T`
template <typename T>
ast::Type mat3x4(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat3x4");
} else {
return (*this)(source, "mat3x4", Of<T>());
}
}
/// @param source the source of the type
/// @return a 4x2 matrix of the type `T`
template <typename T>
ast::Type mat4x2(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat4x2");
} else {
return (*this)(source, "mat4x2", Of<T>());
}
}
/// @param source the source of the type
/// @return a 4x3 matrix of the type `T`
template <typename T>
ast::Type mat4x3(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat4x3");
} else {
return (*this)(source, "mat4x3", Of<T>());
}
}
/// @param source the source of the type
/// @return a 4x4 matrix of the type `T`
template <typename T>
ast::Type mat4x4(const Source& source) const {
if constexpr (IsInferOrAbstract<T>) {
return (*this)(source, "mat4x4");
} else {
return (*this)(source, "mat4x4", Of<T>());
}
}
/// @return a 2x2 matrix of the type `T`
template <typename T>
ast::Type mat2x2() const {
return mat2x2<T>(builder->source_);
}
/// @return a 2x3 matrix of the type `T`
template <typename T>
ast::Type mat2x3() const {
return mat2x3<T>(builder->source_);
}
/// @return a 2x4 matrix of the type `T`
template <typename T>
ast::Type mat2x4() const {
return mat2x4<T>(builder->source_);
}
/// @return a 3x2 matrix of the type `T`
template <typename T>
ast::Type mat3x2() const {
return mat3x2<T>(builder->source_);
}
/// @return a 3x3 matrix of the type `T`
template <typename T>
ast::Type mat3x3() const {
return mat3x3<T>(builder->source_);
}
/// @return a 3x4 matrix of the type `T`
template <typename T>
ast::Type mat3x4() const {
return mat3x4<T>(builder->source_);
}
/// @return a 4x2 matrix of the type `T`
template <typename T>
ast::Type mat4x2() const {
return mat4x2<T>(builder->source_);
}
/// @return a 4x3 matrix of the type `T`
template <typename T>
ast::Type mat4x3() const {
return mat4x3<T>(builder->source_);
}
/// @return a 4x4 matrix of the type `T`
template <typename T>
ast::Type mat4x4() const {
return mat4x4<T>(builder->source_);
}
/// @param source the Source of the node
/// @param columns number of columns for the matrix
/// @param rows number of rows for the matrix
/// @return a matrix of @p type
template <typename T>
ast::Type mat(const Source& source, uint32_t columns, uint32_t rows) const {
switch ((columns - 2) * 3 + (rows - 2)) {
case 0:
return mat2x2<T>(source);
case 1:
return mat2x3<T>(source);
case 2:
return mat2x4<T>(source);
case 3:
return mat3x2<T>(source);
case 4:
return mat3x3<T>(source);
case 5:
return mat3x4<T>(source);
case 6:
return mat4x2<T>(source);
case 7:
return mat4x3<T>(source);
case 8:
return mat4x4<T>(source);
default:
TINT_ICE() << "invalid matrix dimensions " << columns << "x" << rows;
return ast::Type{};
}
}
/// @param columns number of columns for the matrix
/// @param rows number of rows for the matrix
/// @return a matrix of @p type
template <typename T>
ast::Type mat(uint32_t columns, uint32_t rows) const {
return mat<T>(builder->source_, columns, rows);
}
/// @return a matrix of @p type
template <typename T, uint32_t COLUMNS, uint32_t ROWS>
ast::Type mat() const {
return mat<T>(builder->source_, COLUMNS, ROWS);
}
/// @param subtype the array element type
/// @param attrs the optional attributes for the array
/// @return an array of type `T`
ast::Type array(ast::Type subtype, VectorRef<const ast::Attribute*> attrs = Empty) const {
return array(builder->source_, subtype, std::move(attrs));
}
/// @param source the Source of the node
/// @param subtype the array element type
/// @param attrs the optional attributes for the array
/// @return an array of type `T`
ast::Type array(const Source& source,
ast::Type subtype,
VectorRef<const ast::Attribute*> attrs = Empty) const {
return ast::Type{builder->Expr(
builder->create<ast::TemplatedIdentifier>(source, builder->Sym("array"),
Vector{
subtype.expr,
},
std::move(attrs)))};
}
/// @param subtype the array element type
/// @param n the array size. nullptr represents a runtime-array
/// @param attrs the optional attributes for the array
/// @return an array of size `n` of type `T`
template <typename COUNT, typename = DisableIfVectorLike<COUNT>>
ast::Type array(ast::Type subtype,
COUNT&& n,
VectorRef<const ast::Attribute*> attrs = Empty) const {
return array(builder->source_, subtype, std::forward<COUNT>(n), std::move(attrs));
}
/// @param source the Source of the node
/// @param subtype the array element type
/// @param n the array size. nullptr represents a runtime-array
/// @param attrs the optional attributes for the array
/// @return an array of size `n` of type `T`
template <typename COUNT, typename = DisableIfVectorLike<COUNT>>
ast::Type array(const Source& source,
ast::Type subtype,
COUNT&& n,
VectorRef<const ast::Attribute*> attrs = Empty) const {
return ast::Type{builder->Expr(
builder->create<ast::TemplatedIdentifier>(source, builder->Sym("array"),
Vector{
subtype.expr,
builder->Expr(std::forward<COUNT>(n)),
},
std::move(attrs)))};
}
/// @param source the Source of the node
/// @return a inferred-size or runtime-sized array of type `T`
template <typename T, int N = 0, typename = EnableIfInferOrAbstract<T>>
ast::Type array(const Source& source) const {
static_assert(N == 0, "arrays with a count cannot be inferred");
return (*this)(source, "array");
}
/// @return a inferred-size or runtime-sized array of type `T`
template <typename T, int N = 0, typename = EnableIfInferOrAbstract<T>>
ast::Type array() const {
static_assert(N == 0, "arrays with a count cannot be inferred");
return array<T>(builder->source_);
}
/// @param source the Source of the node
/// @param attrs the optional attributes for the array
/// @return a inferred-size or runtime-sized array of type `T`
template <typename T, int N = 0, typename = DisableIfInferOrAbstract<T>>
ast::Type array(const Source& source,
VectorRef<const ast::Attribute*> attrs = Empty) const {
if constexpr (N == 0) {
return ast::Type{builder->Expr(
builder->create<ast::TemplatedIdentifier>(source, builder->Sym("array"),
Vector<const ast::Expression*, 1>{
Of<T>().expr,
},
std::move(attrs)))};
} else {
return ast::Type{builder->Expr(builder->create<ast::TemplatedIdentifier>(
source, builder->Sym("array"),
Vector{
Of<T>().expr,
builder->Expr(builder->source_, core::u32(N)),
},
std::move(attrs)))};
}
}
/// @param attrs the optional attributes for the array
/// @return an array of size `N` of type `T`
template <typename T, int N = 0, typename = DisableIfInferOrAbstract<T>>
ast::Type array(VectorRef<const ast::Attribute*> attrs = Empty) const {
return array<T, N>(builder->source_, std::move(attrs));
}
/// Creates an alias type
/// @param name the alias name
/// @param type the alias type
/// @returns the alias pointer
template <typename NAME>
const ast::Alias* alias(NAME&& name, ast::Type type) const {
return alias(builder->source_, std::forward<NAME>(name), type);
}
/// Creates an alias type
/// @param source the Source of the node
/// @param name the alias name
/// @param type the alias type
/// @returns the alias pointer
template <typename NAME>
const ast::Alias* alias(const Source& source, NAME&& name, ast::Type type) const {
return builder->create<ast::Alias>(source, builder->Ident(std::forward<NAME>(name)),
type);
}
/// @param address_space the address space of the pointer
/// @param type the type of the pointer
/// @param access the optional access control of the pointer
/// @return the pointer to `type` with the given core::AddressSpace
ast::Type ptr(core::AddressSpace address_space,
ast::Type type,
core::Access access = core::Access::kUndefined) const {
return ptr(builder->source_, address_space, type, access);
}
/// @param source the Source of the node
/// @param address_space the address space of the pointer
/// @param type the type of the pointer
/// @param access the optional access control of the pointer
/// @return the pointer to `type` with the given core::AddressSpace
ast::Type ptr(const Source& source,
core::AddressSpace address_space,
ast::Type type,
core::Access access = core::Access::kUndefined) const {
if (access != core::Access::kUndefined) {
return (*this)(source, "ptr", address_space, type, access);
} else {
return (*this)(source, "ptr", address_space, type);
}
}
/// @param address_space the address space of the pointer
/// @param access the optional access control of the pointer
/// @return the pointer to type `T` with the given core::AddressSpace.
template <typename T>
ast::Type ptr(core::AddressSpace address_space,
core::Access access = core::Access::kUndefined) const {
return ptr<T>(builder->source_, address_space, access);
}
/// @param source the Source of the node
/// @return the pointer to type `T` with the core::AddressSpace `ADDRESS` and access
/// control `ACCESS`.
template <core::AddressSpace ADDRESS,
typename T,
core::Access ACCESS = core::Access::kUndefined>
ast::Type ptr(const Source& source) const {
return ptr<T>(source, ADDRESS, ACCESS);
}
/// @param type the type of the pointer
/// @return the pointer to the given type with the core::AddressSpace `ADDRESS` and
/// access control `ACCESS`.
template <core::AddressSpace ADDRESS, core::Access ACCESS = core::Access::kUndefined>
ast::Type ptr(ast::Type type) const {
return ptr(builder->source_, ADDRESS, type, ACCESS);
}
/// @param source the Source of the node
/// @param type the type of the pointer
/// @return the pointer to the given type with the core::AddressSpace `ADDRESS` and
/// access control `ACCESS`.
template <core::AddressSpace ADDRESS, core::Access ACCESS = core::Access::kUndefined>
ast::Type ptr(const Source& source, ast::Type type) const {
return ptr(source, ADDRESS, type, ACCESS);
}
/// @return the pointer to type `T` with the core::AddressSpace `ADDRESS` and access
/// control `ACCESS`.
template <core::AddressSpace ADDRESS,
typename T,
core::Access ACCESS = core::Access::kUndefined>
ast::Type ptr() const {
return ptr<T>(builder->source_, ADDRESS, ACCESS);
}
/// @param source the Source of the node
/// @param address_space the address space of the pointer
/// @param access the optional access control of the pointer
/// @return the pointer to type `T` the core::AddressSpace `ADDRESS` and access control
/// `ACCESS`.
template <typename T>
ast::Type ptr(const Source& source,
core::AddressSpace address_space,
core::Access access = core::Access::kUndefined) const {
if (access != core::Access::kUndefined) {
return (*this)(source, "ptr", address_space, Of<T>(), access);
} else {
return (*this)(source, "ptr", address_space, Of<T>());
}
}
/// @param source the Source of the node
/// @param type the type of the atomic
/// @return the atomic to `type`
ast::Type atomic(const Source& source, ast::Type type) const {
return (*this)(source, "atomic", type);
}
/// @param type the type of the atomic
/// @return the atomic to `type`
ast::Type atomic(ast::Type type) const { return (*this)("atomic", type); }
/// @return the atomic to type `T`
template <typename T>
ast::Type atomic() const {
return atomic(Of<T>());
}
/// @param kind the kind of sampler
/// @returns the sampler
ast::Type sampler(core::type::SamplerKind kind) const {
return sampler(builder->source_, kind);
}
/// @param source the Source of the node
/// @param kind the kind of sampler
/// @returns the sampler
ast::Type sampler(const Source& source, core::type::SamplerKind kind) const {
switch (kind) {
case core::type::SamplerKind::kSampler:
return (*this)(source, "sampler");
case core::type::SamplerKind::kComparisonSampler:
return (*this)(source, "sampler_comparison");
}
TINT_ICE() << "invalid sampler kind " << kind;
return ast::Type{};
}
/// @param dims the dimensionality of the texture
/// @returns the depth texture
ast::Type depth_texture(core::type::TextureDimension dims) const {
return depth_texture(builder->source_, dims);
}
/// @param source the Source of the node
/// @param dims the dimensionality of the texture
/// @returns the depth texture
ast::Type depth_texture(const Source& source, core::type::TextureDimension dims) const {
switch (dims) {
case core::type::TextureDimension::k2d:
return (*this)(source, "texture_depth_2d");
case core::type::TextureDimension::k2dArray:
return (*this)(source, "texture_depth_2d_array");
case core::type::TextureDimension::kCube:
return (*this)(source, "texture_depth_cube");
case core::type::TextureDimension::kCubeArray:
return (*this)(source, "texture_depth_cube_array");
default:
break;
}
TINT_ICE() << "invalid depth_texture dimensions: " << dims;
return ast::Type{};
}
/// @param dims the dimensionality of the texture
/// @returns the multisampled depth texture
ast::Type depth_multisampled_texture(core::type::TextureDimension dims) const {
return depth_multisampled_texture(builder->source_, dims);
}
/// @param source the Source of the node
/// @param dims the dimensionality of the texture
/// @returns the multisampled depth texture
ast::Type depth_multisampled_texture(const Source& source,
core::type::TextureDimension dims) const {
if (dims == core::type::TextureDimension::k2d) {
return (*this)(source, "texture_depth_multisampled_2d");
}
TINT_ICE() << "invalid depth_multisampled_texture dimensions: " << dims;
return ast::Type{};
}
/// @param dims the dimensionality of the texture
/// @param subtype the texture subtype.
/// @returns the sampled texture
ast::Type sampled_texture(core::type::TextureDimension dims, ast::Type subtype) const {
return sampled_texture(builder->source_, dims, subtype);
}
/// @param source the Source of the node
/// @param dims the dimensionality of the texture
/// @param subtype the texture subtype.
/// @returns the sampled texture
ast::Type sampled_texture(const Source& source,
core::type::TextureDimension dims,
ast::Type subtype) const {
switch (dims) {
case core::type::TextureDimension::k1d:
return (*this)(source, "texture_1d", subtype);
case core::type::TextureDimension::k2d:
return (*this)(source, "texture_2d", subtype);
case core::type::TextureDimension::k3d:
return (*this)(source, "texture_3d", subtype);
case core::type::TextureDimension::k2dArray:
return (*this)(source, "texture_2d_array", subtype);
case core::type::TextureDimension::kCube:
return (*this)(source, "texture_cube", subtype);
case core::type::TextureDimension::kCubeArray:
return (*this)(source, "texture_cube_array", subtype);
default:
break;
}
TINT_ICE() << "invalid sampled_texture dimensions: " << dims;
return ast::Type{};
}
/// @param dims the dimensionality of the texture
/// @param subtype the texture subtype.
/// @returns the multisampled texture
ast::Type multisampled_texture(core::type::TextureDimension dims, ast::Type subtype) const {
return multisampled_texture(builder->source_, dims, subtype);
}
/// @param source the Source of the node
/// @param dims the dimensionality of the texture
/// @param subtype the texture subtype.
/// @returns the multisampled texture
ast::Type multisampled_texture(const Source& source,
core::type::TextureDimension dims,
ast::Type subtype) const {
if (dims == core::type::TextureDimension::k2d) {
return (*this)(source, "texture_multisampled_2d", subtype);
}
TINT_ICE() << "invalid multisampled_texture dimensions: " << dims;
return ast::Type{};
}
/// @param dims the dimensionality of the texture
/// @param format the texel format of the texture
/// @param access the access control of the texture
/// @returns the storage texture
ast::Type storage_texture(core::type::TextureDimension dims,
core::TexelFormat format,
core::Access access) const {
return storage_texture(builder->source_, dims, format, access);
}
/// @param source the Source of the node
/// @param dims the dimensionality of the texture
/// @param format the texel format of the texture
/// @param access the access control of the texture
/// @returns the storage texture
ast::Type storage_texture(const Source& source,
core::type::TextureDimension dims,
core::TexelFormat format,
core::Access access) const {
switch (dims) {
case core::type::TextureDimension::k1d:
return (*this)(source, "texture_storage_1d", format, access);
case core::type::TextureDimension::k2d:
return (*this)(source, "texture_storage_2d", format, access);
case core::type::TextureDimension::k2dArray:
return (*this)(source, "texture_storage_2d_array", format, access);
case core::type::TextureDimension::k3d:
return (*this)(source, "texture_storage_3d", format, access);
default:
break;
}
TINT_ICE() << "invalid storage_texture dimensions: " << dims;
return ast::Type{};
}
/// @returns the external texture
ast::Type external_texture() const { return (*this)("texture_external"); }
/// @param source the Source of the node
/// @returns the external texture
ast::Type external_texture(const Source& source) const {
return (*this)(source, "texture_external");
}
/// @param type the type
/// @return an ast::Type of the type declaration.
ast::Type Of(const ast::TypeDecl* type) const { return (*this)(type->name->symbol); }
/// The Builder
Builder* const builder;
private:
/// CToAST<T> is specialized for various `T` types and each specialization
/// contains a single static `get()` method for obtaining the corresponding
/// AST type for the C type `T`.
/// `get()` has the signature:
/// `static ast::Type get(Types* t)`
template <typename T>
struct CToAST {};
};
//////////////////////////////////////////////////////////////////////////////
// AST helper methods
//////////////////////////////////////////////////////////////////////////////
/// @return a new unnamed symbol
Symbol Sym() { return Symbols().New(); }
/// Passthrough
/// @param sym the symbol
/// @return `sym`
Symbol Sym(Symbol sym) { return sym; }
/// @param name the symbol string
/// @return a Symbol with the given name
Symbol Sym(std::string_view name) { return Symbols().Register(name); }
/// @param enumerator the enumerator
/// @return a Symbol with the given enum value
template <typename ENUM, typename = std::enable_if_t<std::is_enum_v<std::decay_t<ENUM>>>>
Symbol Sym(ENUM&& enumerator) {
return Sym(tint::ToString(enumerator));
}
/// @return nullptr
const ast::Identifier* Ident(std::nullptr_t) { return nullptr; }
/// @param identifier the identifier symbol
/// @return an ast::Identifier with the given symbol
template <typename IDENTIFIER>
const ast::Identifier* Ident(IDENTIFIER&& identifier) {
if constexpr (traits::IsTypeOrDerived<traits::PtrElTy<IDENTIFIER>, ast::Identifier>) {
return identifier; // Passthrough
} else {
return Ident(source_, std::forward<IDENTIFIER>(identifier));
}
}
/// @param source the source information
/// @param identifier the identifier symbol
/// @return an ast::Identifier with the given symbol
template <typename IDENTIFIER>
const ast::Identifier* Ident(const Source& source, IDENTIFIER&& identifier) {
return create<ast::Identifier>(source, Sym(std::forward<IDENTIFIER>(identifier)));
}
/// @param identifier the identifier symbol
/// @param args the templated identifier arguments
/// @return an ast::Identifier with the given symbol and template arguments
template <typename IDENTIFIER, typename... ARGS, typename = DisableIfSource<IDENTIFIER>>
const ast::Identifier* Ident(IDENTIFIER&& identifier, ARGS&&... args) {
return Ident(source_, std::forward<IDENTIFIER>(identifier), std::forward<ARGS>(args)...);
}
/// @param source the source information
/// @param identifier the identifier symbol
/// @param args the templated identifier arguments
/// @return an ast::Identifier with the given symbol and template arguments
template <typename IDENTIFIER, typename... ARGS>
const ast::Identifier* Ident(const Source& source, IDENTIFIER&& identifier, ARGS&&... args) {
auto arg_exprs = ExprList(std::forward<ARGS>(args)...);
if (arg_exprs.IsEmpty()) {
return create<ast::Identifier>(source, Sym(std::forward<IDENTIFIER>(identifier)));
}
return create<ast::TemplatedIdentifier>(source, Sym(std::forward<IDENTIFIER>(identifier)),
std::move(arg_exprs), Empty);
}
/// @param expr the expression
/// @return expr (passthrough)
template <typename T, typename = traits::EnableIfIsType<T, ast::Expression>>
const T* Expr(const T* expr) {
return expr;
}
/// @param type an ast::Type
/// @return type.expr
const ast::IdentifierExpression* Expr(ast::Type type) { return type.expr; }
/// @param ident the identifier
/// @return an ast::IdentifierExpression with the given identifier
const ast::IdentifierExpression* Expr(const ast::Identifier* ident) {
return ident ? create<ast::IdentifierExpression>(ident->source, ident) : nullptr;
}
/// Passthrough for nullptr
/// @return nullptr
const ast::IdentifierExpression* Expr(std::nullptr_t) { return nullptr; }
/// @param name the identifier name
/// @return an ast::IdentifierExpression with the given name
template <typename NAME, typename = EnableIfIdentifierLike<NAME>>
const ast::IdentifierExpression* Expr(NAME&& name) {
auto* ident = Ident(source_, name);
return create<ast::IdentifierExpression>(ident->source, ident);
}
/// @param source the source information
/// @param name the identifier name
/// @return an ast::IdentifierExpression with the given name
template <typename NAME, typename = EnableIfIdentifierLike<NAME>>
const ast::IdentifierExpression* Expr(const Source& source, NAME&& name) {
return create<ast::IdentifierExpression>(source, Ident(source, name));
}
/// @param variable the AST variable
/// @return an ast::IdentifierExpression with the variable's symbol
const ast::IdentifierExpression* Expr(const ast::Variable* variable) {
auto* ident = Ident(variable->source, variable->name->symbol);
return create<ast::IdentifierExpression>(ident->source, ident);
}
/// @param source the source information
/// @param variable the AST variable
/// @return an ast::IdentifierExpression with the variable's symbol
const ast::IdentifierExpression* Expr(const Source& source, const ast::Variable* variable) {
return create<ast::IdentifierExpression>(source, Ident(source, variable->name->symbol));
}
/// @param source the source information
/// @param value the boolean value
/// @return a Scalar constructor for the given value
template <typename BOOL>
std::enable_if_t<std::is_same_v<BOOL, bool>, const ast::BoolLiteralExpression*> Expr(
const Source& source,
BOOL value) {
return create<ast::BoolLiteralExpression>(source, value);
}
/// @param source the source information
/// @param value the float value
/// @return a 'f'-suffixed FloatLiteralExpression for the f32 value
const ast::FloatLiteralExpression* Expr(const Source& source, core::f32 value) {
return create<ast::FloatLiteralExpression>(source, static_cast<double>(value.value),
ast::FloatLiteralExpression::Suffix::kF);
}
/// @param source the source information
/// @param value the float value
/// @return a 'h'-suffixed FloatLiteralExpression for the f16 value
const ast::FloatLiteralExpression* Expr(const Source& source, core::f16 value) {
return create<ast::FloatLiteralExpression>(source, static_cast<double>(value.value),
ast::FloatLiteralExpression::Suffix::kH);
}
/// @param source the source information
/// @param value the integer value
/// @return an unsuffixed IntLiteralExpression for the AInt value
const ast::IntLiteralExpression* Expr(const Source& source, core::AInt value) {
return create<ast::IntLiteralExpression>(source, value,
ast::IntLiteralExpression::Suffix::kNone);
}
/// @param source the source information
/// @param value the integer value
/// @return an unsuffixed FloatLiteralExpression for the AFloat value
const ast::FloatLiteralExpression* Expr(const Source& source, core::AFloat value) {
return create<ast::FloatLiteralExpression>(source, value.value,
ast::FloatLiteralExpression::Suffix::kNone);
}
/// @param source the source information
/// @param value the integer value
/// @return a signed 'i'-suffixed IntLiteralExpression for the i32 value
const ast::IntLiteralExpression* Expr(const Source& source, core::i32 value) {
return create<ast::IntLiteralExpression>(source, value,
ast::IntLiteralExpression::Suffix::kI);
}
/// @param source the source information
/// @param value the unsigned int value
/// @return an unsigned 'u'-suffixed IntLiteralExpression for the u32 value
const ast::IntLiteralExpression* Expr(const Source& source, core::u32 value) {
return create<ast::IntLiteralExpression>(source, value,
ast::IntLiteralExpression::Suffix::kU);
}
/// @param value the scalar value
/// @return literal expression of the appropriate type
template <typename SCALAR, typename = EnableIfScalar<SCALAR>>
const auto* Expr(SCALAR&& value) {
return Expr(source_, std::forward<SCALAR>(value));
}
/// Converts `arg` to an `ast::Expression` using `Expr()`, then appends it to
/// `list`.
/// @param list the list to append too
/// @param arg the arg to create
template <size_t N, typename ARG>
void Append(Vector<const ast::Expression*, N>& list, ARG&& arg) {
list.Push(Expr(std::forward<ARG>(arg)));
}
/// Converts `arg0` and `args` to `ast::Expression`s using `Expr()`,
/// then appends them to `list`.
/// @param list the list to append too
/// @param arg0 the first argument
/// @param args the rest of the arguments
template <size_t N, typename ARG0, typename... ARGS>
void Append(Vector<const ast::Expression*, N>& list, ARG0&& arg0, ARGS&&... args) {
Append(list, std::forward<ARG0>(arg0));
Append(list, std::forward<ARGS>(args)...);
}
/// @return EmptyType
EmptyType ExprList() { return Empty; }
/// @param args the list of expressions
/// @return the list of expressions converted to `ast::Expression`s using
/// `Expr()`,
template <typename... ARGS, typename = DisableIfVectorLike<ARGS...>>
auto ExprList(ARGS&&... args) {
return Vector<const ast::Expression*, sizeof...(ARGS)>{Expr(args)...};
}
/// @param list the list of expressions
/// @return `list`
template <typename T, size_t N>
Vector<T, N> ExprList(Vector<T, N>&& list) {
return std::move(list);
}
/// @param list the list of expressions
/// @return `list`
VectorRef<const ast::Expression*> ExprList(VectorRef<const ast::Expression*> list) {
return list;
}
/// @param expr the expression for the bitcast
/// @return a bitcast call of type `ty`, with the values of `expr` converted to
/// `ast::Expression`s using `Expr()`
template <typename T, typename EXPR>
const ast::CallExpression* Bitcast(EXPR&& expr) {
return Bitcast(ty.Of<T>(), std::forward<EXPR>(expr));
}
/// @param type the type to cast to
/// @param expr the expression for the bitcast
/// @return a bitcast call of @p type constructed with the values `expr`.
template <typename EXPR>
const ast::CallExpression* Bitcast(ast::Type type, EXPR&& expr) {
return Bitcast(source_, type, Expr(std::forward<EXPR>(expr)));
}
/// @param source the source information
/// @param type the type to cast to
/// @param expr the expression for the bitcast
/// @return a bitcast call of @p type constructed with the values `expr`.
template <typename EXPR>
const ast::CallExpression* Bitcast(const Source& source, ast::Type type, EXPR&& expr) {
return Call(source, Ident(wgsl::BuiltinFn::kBitcast, type), Expr(std::forward<EXPR>(expr)));
}
/// @param type the vector type
/// @param size the vector size
/// @param args the arguments for the vector constructor
/// @return an `ast::CallExpression` of a `size`-element vector of
/// type `type`, constructed with the values @p args.
template <typename... ARGS>
const ast::CallExpression* vec(ast::Type type, uint32_t size, ARGS&&... args) {
return vec(source_, type, size, std::forward<ARGS>(args)...);
}
/// @param source the source of the call
/// @param type the vector type
/// @param size the vector size
/// @param args the arguments for the vector constructor
/// @return an `ast::CallExpression` of a `size`-element vector of
/// type `type`, constructed with the values @p args.
template <typename... ARGS>
const ast::CallExpression* vec(const Source& source,
ast::Type type,
uint32_t size,
ARGS&&... args) {
return Call(source, ty.vec(type, size), std::forward<ARGS>(args)...);
}
/// Adds the extension to the list of enable directives at the top of the module.
/// @param extension the extension to enable
/// @return an `ast::Enable` enabling the given extension.
const ast::Enable* Enable(wgsl::Extension extension) {
auto* ext = create<ast::Extension>(extension);
auto* enable = create<ast::Enable>(Vector{ext});
AST().AddEnable(enable);
return enable;
}
/// Adds the extension to the list of enable directives at the top of the module.
/// @param source the enable source
/// @param extension the extension to enable
/// @return an `ast::Enable` enabling the given extension.
const ast::Enable* Enable(const Source& source, wgsl::Extension extension) {
auto* ext = create<ast::Extension>(source, extension);
auto* enable = create<ast::Enable>(source, Vector{ext});
AST().AddEnable(enable);
return enable;
}
/// Adds the language feature to the list of requires directives at the top of the module.
/// @param feature the feature to require
/// @return a `ast::Requires` requiring the given language feature.
const ast::Requires* Require(wgsl::LanguageFeature feature) {
auto* req = create<ast::Requires>(Requires::LanguageFeatures({feature}));
AST().AddRequires(req);
return req;
}
/// Adds the language feature to the list of requires directives at the top of the module.
/// @param source the requires source
/// @param feature the feature to require
/// @return a `ast::Requires` requiring the given language feature.
const ast::Requires* Require(const Source& source, wgsl::LanguageFeature feature) {
auto* req = create<ast::Requires>(source, Requires::LanguageFeatures({feature}));
AST().AddRequires(req);
return req;
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Type - specifies the variable's type
/// * core::AddressSpace - specifies the variable's address space
/// * core::Access - specifies the variable's access control
/// * ast::Expression* - specifies the variable's initializer expression
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns a `ast::Var` with the given name, type and additional
/// options
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Var* Var(NAME&& name, OPTIONS&&... options) {
return Var(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Type - specifies the variable's type
/// * core::AddressSpace - specifies the variable's address space
/// * core::Access - specifies the variable's access control
/// * ast::Expression* - specifies the variable's initializer expression
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns a `ast::Var` with the given name, address_space and type
template <typename NAME, typename... OPTIONS>
const ast::Var* Var(const Source& source, NAME&& name, OPTIONS&&... options) {
VarOptions opts(*this, std::forward<OPTIONS>(options)...);
return create<ast::Var>(source, Ident(std::forward<NAME>(name)), opts.type,
opts.address_space, opts.access, opts.initializer,
std::move(opts.attributes));
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Const` with the given name, type and additional options
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Const* Const(NAME&& name, OPTIONS&&... options) {
return Const(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Identifier* - specifies the variable's type
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Const` with the given name, type and additional options
template <typename NAME, typename... OPTIONS>
const ast::Const* Const(const Source& source, NAME&& name, OPTIONS&&... options) {
ConstOptions opts(std::forward<OPTIONS>(options)...);
return create<ast::Const>(source, Ident(std::forward<NAME>(name)), opts.type,
opts.initializer, std::move(opts.attributes));
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Let` with the given name, type and additional options
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Let* Let(NAME&& name, OPTIONS&&... options) {
return Let(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Let` with the given name, type and additional options
template <typename NAME, typename... OPTIONS>
const ast::Let* Let(const Source& source, NAME&& name, OPTIONS&&... options) {
LetOptions opts(std::forward<OPTIONS>(options)...);
return create<ast::Let>(source, Ident(std::forward<NAME>(name)), opts.type,
opts.initializer, std::move(opts.attributes));
}
/// @param name the parameter name
/// @param type the parameter type
/// @param attributes optional parameter attributes
/// @returns an `ast::Parameter` with the given name and type
template <typename NAME>
const ast::Parameter* Param(NAME&& name,
ast::Type type,
VectorRef<const ast::Attribute*> attributes = Empty) {
return Param(source_, std::forward<NAME>(name), type, std::move(attributes));
}
/// @param source the parameter source
/// @param name the parameter name
/// @param type the parameter type
/// @param attributes optional parameter attributes
/// @returns an `ast::Parameter` with the given name and type
template <typename NAME>
const ast::Parameter* Param(const Source& source,
NAME&& name,
ast::Type type,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::Parameter>(source, Ident(std::forward<NAME>(name)), type,
std::move(attributes));
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Type - specifies the variable's type
/// * core::AddressSpace - specifies the variable address space
/// * core::Access - specifies the variable's access control
/// * ast::Expression* - specifies the variable's initializer expression
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns a new `ast::Var`, which is automatically registered as a global variable with the
/// ast::Module.
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Var* GlobalVar(NAME&& name, OPTIONS&&... options) {
return GlobalVar(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Var initializer
/// Can be any of the following, in any order:
/// * ast::Type - specifies the variable's type
/// * core::AddressSpace - specifies the variable address space
/// * core::Access - specifies the variable's access control
/// * ast::Expression* - specifies the variable's initializer expression
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns a new `ast::Var`, which is automatically registered as a global variable with the
/// ast::Module.
template <typename NAME, typename... OPTIONS>
const ast::Var* GlobalVar(const Source& source, NAME&& name, OPTIONS&&... options) {
auto* variable = Var(source, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
AST().AddGlobalVariable(variable);
return variable;
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Const initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Const` with the given name, type and additional options, which is
/// automatically registered as a global variable with the ast::Module.
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Const* GlobalConst(NAME&& name, OPTIONS&&... options) {
return GlobalConst(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Const initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Const` with the given name, type and additional options, which is
/// automatically registered as a global variable with the ast::Module.
template <typename NAME, typename... OPTIONS>
const ast::Const* GlobalConst(const Source& source, NAME&& name, OPTIONS&&... options) {
auto* variable = Const(source, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
AST().AddGlobalVariable(variable);
return variable;
}
/// @param name the variable name
/// @param options the extra options passed to the ast::Override initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Override` with the given name, type and additional options, which is
/// automatically registered as a global variable with the ast::Module.
template <typename NAME, typename... OPTIONS, typename = DisableIfSource<NAME>>
const ast::Override* Override(NAME&& name, OPTIONS&&... options) {
return Override(source_, std::forward<NAME>(name), std::forward<OPTIONS>(options)...);
}
/// @param source the variable source
/// @param name the variable name
/// @param options the extra options passed to the ast::Override initializer
/// Can be any of the following, in any order:
/// * ast::Expression* - specifies the variable's initializer expression (required)
/// * ast::Type - specifies the variable's type
/// * ast::Attribute* - specifies the variable's attributes (repeatable, or vector)
/// Note that non-repeatable arguments of the same type will use the last argument's value.
/// @returns an `ast::Override` with the given name, type and additional options, which is
/// automatically registered as a global variable with the ast::Module.
template <typename NAME, typename... OPTIONS>
const ast::Override* Override(const Source& source, NAME&& name, OPTIONS&&... options) {
OverrideOptions opts(std::forward<OPTIONS>(options)...);
auto* variable = create<ast::Override>(source, Ident(std::forward<NAME>(name)), opts.type,
opts.initializer, std::move(opts.attributes));
AST().AddGlobalVariable(variable);
return variable;
}
/// @param source the source information
/// @param condition the assertion condition
/// @returns a new `ast::ConstAssert`, which is automatically registered as a global statement
/// with the ast::Module.
template <typename EXPR>
const ast::ConstAssert* GlobalConstAssert(const Source& source, EXPR&& condition) {
auto* sa = ConstAssert(source, std::forward<EXPR>(condition));
AST().AddConstAssert(sa);
return sa;
}
/// @param condition the assertion condition
/// @returns a new `ast::ConstAssert`, which is automatically registered as a global statement
/// with the ast::Module.
template <typename EXPR, typename = DisableIfSource<EXPR>>
const ast::ConstAssert* GlobalConstAssert(EXPR&& condition) {
auto* sa = ConstAssert(std::forward<EXPR>(condition));
AST().AddConstAssert(sa);
return sa;
}
/// @param source the source information
/// @param condition the assertion condition
/// @returns a new `ast::ConstAssert` with the given assertion condition
template <typename EXPR>
const ast::ConstAssert* ConstAssert(const Source& source, EXPR&& condition) {
return create<ast::ConstAssert>(source, Expr(std::forward<EXPR>(condition)));
}
/// @param condition the assertion condition
/// @returns a new `ast::ConstAssert` with the given assertion condition
template <typename EXPR, typename = DisableIfSource<EXPR>>
const ast::ConstAssert* ConstAssert(EXPR&& condition) {
return create<ast::ConstAssert>(Expr(std::forward<EXPR>(condition)));
}
/// @param source the source information
/// @param expr the expression to take the address of
/// @return an ast::UnaryOpExpression that takes the address of `expr`
template <typename EXPR>
const ast::UnaryOpExpression* AddressOf(const Source& source, EXPR&& expr) {
return create<ast::UnaryOpExpression>(source, core::UnaryOp::kAddressOf,
Expr(std::forward<EXPR>(expr)));
}
/// @param expr the expression to take the address of
/// @return an ast::UnaryOpExpression that takes the address of `expr`
template <typename EXPR>
const ast::UnaryOpExpression* AddressOf(EXPR&& expr) {
return create<ast::UnaryOpExpression>(core::UnaryOp::kAddressOf,
Expr(std::forward<EXPR>(expr)));
}
/// @param source the source information
/// @param expr the expression to perform an indirection on
/// @return an ast::UnaryOpExpression that dereferences the pointer `expr`
template <typename EXPR>
const ast::UnaryOpExpression* Deref(const Source& source, EXPR&& expr) {
return create<ast::UnaryOpExpression>(source, core::UnaryOp::kIndirection,
Expr(std::forward<EXPR>(expr)));
}
/// @param expr the expression to perform an indirection on
/// @return an ast::UnaryOpExpression that dereferences the pointer `expr`
template <typename EXPR>
const ast::UnaryOpExpression* Deref(EXPR&& expr) {
return create<ast::UnaryOpExpression>(core::UnaryOp::kIndirection,
Expr(std::forward<EXPR>(expr)));
}
/// @param expr the expression to perform a unary not on
/// @return an ast::UnaryOpExpression that is the unary not of the input
/// expression
template <typename EXPR>
const ast::UnaryOpExpression* Not(EXPR&& expr) {
return create<ast::UnaryOpExpression>(core::UnaryOp::kNot, Expr(std::forward<EXPR>(expr)));
}
/// @param source the source information
/// @param expr the expression to perform a unary not on
/// @return an ast::UnaryOpExpression that is the unary not of the input
/// expression
template <typename EXPR>
const ast::UnaryOpExpression* Not(const Source& source, EXPR&& expr) {
return create<ast::UnaryOpExpression>(source, core::UnaryOp::kNot,
Expr(std::forward<EXPR>(expr)));
}
/// @param expr the expression to perform a unary complement on
/// @return an ast::UnaryOpExpression that is the unary complement of the
/// input expression
template <typename EXPR>
const ast::UnaryOpExpression* Complement(EXPR&& expr) {
return create<ast::UnaryOpExpression>(core::UnaryOp::kComplement,
Expr(std::forward<EXPR>(expr)));
}
/// @param expr the expression to perform a unary negation on
/// @return an ast::UnaryOpExpression that is the unary negation of the
/// input expression
template <typename EXPR>
const ast::UnaryOpExpression* Negation(EXPR&& expr) {
return create<ast::UnaryOpExpression>(core::UnaryOp::kNegation,
Expr(std::forward<EXPR>(expr)));
}
/// @param args the arguments for the constructor
/// @returns an ast::CallExpression to the type `T`, with the arguments of @p args converted to
/// `ast::Expression`s using Expr().
template <typename T, typename... ARGS, typename = DisableIfSource<ARGS...>>
const ast::CallExpression* Call(ARGS&&... args) {
return Call(source_, ty.Of<T>(), std::forward<ARGS>(args)...);
}
/// @param source the source of the call
/// @param args the arguments for the constructor
/// @returns an ast::CallExpression to the type `T` with the arguments of @p args converted to
/// `ast::Expression`s using Expr().
template <typename T, typename... ARGS>
const ast::CallExpression* Call(const Source& source, ARGS&&... args) {
return Call(source, ty.Of<T>(), std::forward<ARGS>(args)...);
}
/// @param target the call target
/// @param args the function call arguments
/// @returns an ast::CallExpression to the target @p target, with the arguments of @p args
/// converted to `ast::Expression`s using Expr().
template <typename TARGET,
typename... ARGS,
typename = DisableIfSource<TARGET>,
typename = DisableIfScalar<TARGET>>
const ast::CallExpression* Call(TARGET&& target, ARGS&&... args) {
return Call(source_, Expr(std::forward<TARGET>(target)), std::forward<ARGS>(args)...);
}
/// @param source the source of the call
/// @param target the call target
/// @param args the function call arguments
/// @returns an ast::CallExpression to the target @p target, with the arguments of @p args
/// converted to `ast::Expression`s using Expr().
template <typename TARGET, typename... ARGS, typename = DisableIfScalar<TARGET>>
const ast::CallExpression* Call(const Source& source, TARGET&& target, ARGS&&... args) {
return create<ast::CallExpression>(source, Expr(std::forward<TARGET>(target)),
ExprList(std::forward<ARGS>(args)...));
}
/// @param source the source information
/// @param call the call expression to wrap in a call statement
/// @returns a `ast::CallStatement` for the given call expression
const ast::CallStatement* CallStmt(const Source& source, const ast::CallExpression* call) {
return create<ast::CallStatement>(source, call);
}
/// @param call the call expression to wrap in a call statement
/// @returns a `ast::CallStatement` for the given call expression
const ast::CallStatement* CallStmt(const ast::CallExpression* call) {
return create<ast::CallStatement>(call);
}
/// @param source the source information
/// @returns a `ast::PhonyExpression`
const ast::PhonyExpression* Phony(const Source& source) {
return create<ast::PhonyExpression>(source);
}
/// @returns a `ast::PhonyExpression`
const ast::PhonyExpression* Phony() { return create<ast::PhonyExpression>(); }
/// @param expr the expression to ignore
/// @returns a `ast::AssignmentStatement` that assigns 'expr' to the phony
/// (underscore) variable.
template <typename EXPR>
const ast::AssignmentStatement* Ignore(EXPR&& expr) {
return create<ast::AssignmentStatement>(Phony(), Expr(expr));
}
/// @param lhs the left hand argument to the addition operation
/// @param rhs the right hand argument to the addition operation
/// @returns a `ast::BinaryExpression` summing the arguments `lhs` and `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Add(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kAdd, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the addition operation
/// @param rhs the right hand argument to the addition operation
/// @returns a `ast::BinaryExpression` summing the arguments `lhs` and `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Add(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kAdd,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the and operation
/// @param rhs the right hand argument to the and operation
/// @returns a `ast::BinaryExpression` bitwise anding `lhs` and `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* And(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kAnd, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the or operation
/// @param rhs the right hand argument to the or operation
/// @returns a `ast::BinaryExpression` bitwise or-ing `lhs` and `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Or(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kOr, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the subtraction operation
/// @param rhs the right hand argument to the subtraction operation
/// @returns a `ast::BinaryExpression` subtracting `rhs` from `lhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Sub(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kSubtract, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the multiplication operation
/// @param rhs the right hand argument to the multiplication operation
/// @returns a `ast::BinaryExpression` multiplying `rhs` from `lhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Mul(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kMultiply, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the multiplication operation
/// @param rhs the right hand argument to the multiplication operation
/// @returns a `ast::BinaryExpression` multiplying `rhs` from `lhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Mul(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kMultiply,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the division operation
/// @param rhs the right hand argument to the division operation
/// @returns a `ast::BinaryExpression` dividing `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Div(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kDivide, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the division operation
/// @param rhs the right hand argument to the division operation
/// @returns a `ast::BinaryExpression` dividing `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Div(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kDivide,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the modulo operation
/// @param rhs the right hand argument to the modulo operation
/// @returns a `ast::BinaryExpression` applying modulo of `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Mod(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kModulo, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the bit shift right operation
/// @param rhs the right hand argument to the bit shift right operation
/// @returns a `ast::BinaryExpression` bit shifting right `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Shr(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kShiftRight,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the bit shift left operation
/// @param rhs the right hand argument to the bit shift left operation
/// @returns a `ast::BinaryExpression` bit shifting left `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Shl(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kShiftLeft, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the bit shift left operation
/// @param rhs the right hand argument to the bit shift left operation
/// @returns a `ast::BinaryExpression` bit shifting left `lhs` by `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Shl(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kShiftLeft,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the xor operation
/// @param rhs the right hand argument to the xor operation
/// @returns a `ast::BinaryExpression` bitwise xor-ing `lhs` and `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Xor(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kXor, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the logical and operation
/// @param rhs the right hand argument to the logical and operation
/// @returns a `ast::BinaryExpression` of `lhs` && `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LogicalAnd(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kLogicalAnd,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the logical and operation
/// @param rhs the right hand argument to the logical and operation
/// @returns a `ast::BinaryExpression` of `lhs` && `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LogicalAnd(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kLogicalAnd,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the logical or operation
/// @param rhs the right hand argument to the logical or operation
/// @returns a `ast::BinaryExpression` of `lhs` || `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LogicalOr(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kLogicalOr, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the logical or operation
/// @param rhs the right hand argument to the logical or operation
/// @returns a `ast::BinaryExpression` of `lhs` || `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LogicalOr(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kLogicalOr,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the greater than operation
/// @param rhs the right hand argument to the greater than operation
/// @returns a `ast::BinaryExpression` of `lhs` > `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* GreaterThan(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kGreaterThan,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the greater than or equal operation
/// @param rhs the right hand argument to the greater than or equal operation
/// @returns a `ast::BinaryExpression` of `lhs` >= `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* GreaterThanEqual(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kGreaterThanEqual,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the less than operation
/// @param rhs the right hand argument to the less than operation
/// @returns a `ast::BinaryExpression` of `lhs` < `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LessThan(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kLessThan, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the less than or equal operation
/// @param rhs the right hand argument to the less than or equal operation
/// @returns a `ast::BinaryExpression` of `lhs` <= `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* LessThanEqual(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kLessThanEqual,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the equal expression
/// @param rhs the right hand argument to the equal expression
/// @returns a `ast::BinaryExpression` comparing `lhs` equal to `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Equal(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(core::BinaryOp::kEqual, Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param lhs the left hand argument to the equal expression
/// @param rhs the right hand argument to the equal expression
/// @returns a `ast::BinaryExpression` comparing `lhs` equal to `rhs`
template <typename LHS, typename RHS>
const ast::BinaryExpression* Equal(const Source& source, LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(source, core::BinaryOp::kEqual,
Expr(std::forward<LHS>(lhs)),
Expr(std::forward<RHS>(rhs)));
}
/// @param lhs the left hand argument to the not-equal expression
/// @param rhs the right hand argument to the not-equal expression
/// @returns a `ast::BinaryExpression` comparing `lhs` equal to `rhs` for
/// disequality
template <typename LHS, typename RHS>
const ast::BinaryExpression* NotEqual(LHS&& lhs, RHS&& rhs) {
return create<ast::BinaryExpression>(
core::BinaryOp::kNotEqual, Expr(std::forward<LHS>(lhs)), Expr(std::forward<RHS>(rhs)));
}
/// @param source the source information
/// @param object the object for the index accessor expression
/// @param index the index argument for the index accessor expression
/// @returns a `ast::IndexAccessorExpression` that indexes @p object with @p index
template <typename OBJECT, typename INDEX>
const ast::IndexAccessorExpression* IndexAccessor(const Source& source,
OBJECT&& object,
INDEX&& index) {
return create<ast::IndexAccessorExpression>(source, Expr(std::forward<OBJECT>(object)),
Expr(std::forward<INDEX>(index)));
}
/// @param object the object for the index accessor expression
/// @param index the index argument for the index accessor expression
/// @returns a `ast::IndexAccessorExpression` that indexes @p object with @p index
template <typename OBJECT, typename INDEX>
const ast::IndexAccessorExpression* IndexAccessor(OBJECT&& object, INDEX&& index) {
return create<ast::IndexAccessorExpression>(Expr(std::forward<OBJECT>(object)),
Expr(std::forward<INDEX>(index)));
}
/// @param source the source information
/// @param object the object for the member accessor expression
/// @param member the member argument for the member accessor expression
/// @returns a `ast::MemberAccessorExpression` that indexes @p object with @p member
template <typename OBJECT, typename MEMBER>
const ast::MemberAccessorExpression* MemberAccessor(const Source& source,
OBJECT&& object,
MEMBER&& member) {
static_assert(!traits::IsType<traits::PtrElTy<MEMBER>, ast::TemplatedIdentifier>,
"it is currently invalid for a structure to hold a templated member");
return create<ast::MemberAccessorExpression>(source, Expr(std::forward<OBJECT>(object)),
Ident(std::forward<MEMBER>(member)));
}
/// @param object the object for the member accessor expression
/// @param member the member argument for the member accessor expression
/// @returns a `ast::MemberAccessorExpression` that indexes @p object with @p member
template <typename OBJECT, typename MEMBER>
const ast::MemberAccessorExpression* MemberAccessor(OBJECT&& object, MEMBER&& member) {
return MemberAccessor(source_, std::forward<OBJECT>(object), std::forward<MEMBER>(member));
}
/// Creates a ast::StructMemberOffsetAttribute
/// @param val the offset expression
/// @returns the offset attribute pointer
template <typename EXPR>
const ast::StructMemberOffsetAttribute* MemberOffset(EXPR&& val) {
return create<ast::StructMemberOffsetAttribute>(source_, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StructMemberOffsetAttribute
/// @param source the source information
/// @param val the offset expression
/// @returns the offset attribute pointer
template <typename EXPR>
const ast::StructMemberOffsetAttribute* MemberOffset(const Source& source, EXPR&& val) {
return create<ast::StructMemberOffsetAttribute>(source, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StructMemberSizeAttribute
/// @param source the source information
/// @param val the size value
/// @returns the size attribute pointer
template <typename EXPR>
const ast::StructMemberSizeAttribute* MemberSize(const Source& source, EXPR&& val) {
return create<ast::StructMemberSizeAttribute>(source, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StructMemberSizeAttribute
/// @param val the size value
/// @returns the size attribute pointer
template <typename EXPR>
const ast::StructMemberSizeAttribute* MemberSize(EXPR&& val) {
return create<ast::StructMemberSizeAttribute>(source_, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StructMemberAlignAttribute
/// @param source the source information
/// @param val the align value expression
/// @returns the align attribute pointer
template <typename EXPR>
const ast::StructMemberAlignAttribute* MemberAlign(const Source& source, EXPR&& val) {
return create<ast::StructMemberAlignAttribute>(source, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StructMemberAlignAttribute
/// @param val the align value expression
/// @returns the align attribute pointer
template <typename EXPR>
const ast::StructMemberAlignAttribute* MemberAlign(EXPR&& val) {
return create<ast::StructMemberAlignAttribute>(source_, Expr(std::forward<EXPR>(val)));
}
/// Creates a ast::StrideAttribute
/// @param stride the array stride
/// @returns the ast::StrideAttribute attribute
const ast::StrideAttribute* Stride(uint32_t stride) {
return create<ast::StrideAttribute>(source_, stride);
}
/// Creates the ast::GroupAttribute
/// @param value group attribute index expresion
/// @returns the group attribute pointer
template <typename EXPR>
const ast::GroupAttribute* Group(EXPR&& value) {
return create<ast::GroupAttribute>(Expr(std::forward<EXPR>(value)));
}
/// Creates the ast::GroupAttribute
/// @param source the source
/// @param value group attribute index expression
/// @returns the group attribute pointer
template <typename EXPR>
const ast::GroupAttribute* Group(const Source& source, EXPR&& value) {
return create<ast::GroupAttribute>(source, Expr(std::forward<EXPR>(value)));
}
/// Creates the ast::BindingAttribute
/// @param value the binding index expression
/// @returns the binding deocration pointer
template <typename EXPR>
const ast::BindingAttribute* Binding(EXPR&& value) {
return create<ast::BindingAttribute>(Expr(std::forward<EXPR>(value)));
}
/// Creates the ast::BindingAttribute
/// @param source the source
/// @param value the binding index expression
/// @returns the binding deocration pointer
template <typename EXPR>
const ast::BindingAttribute* Binding(const Source& source, EXPR&& value) {
return create<ast::BindingAttribute>(source, Expr(std::forward<EXPR>(value)));
}
/// Creates an ast::Function and registers it with the ast::Module.
/// @param name the function name
/// @param params the function parameters
/// @param type the function return type
/// @param body the function body. Can be an ast::BlockStatement*, as ast::Statement* which will
/// be automatically placed into a block, or nullptr for a stub function.
/// @param attributes the optional function attributes
/// @param return_type_attributes the optional function return type attributes
/// @returns the function pointer
template <typename NAME, typename BODY = VectorRef<const ast::Statement*>>
const ast::Function* Func(NAME&& name,
VectorRef<const ast::Parameter*> params,
ast::Type type,
BODY&& body,
VectorRef<const ast::Attribute*> attributes = Empty,
VectorRef<const ast::Attribute*> return_type_attributes = Empty) {
return Func(source_, std::forward<NAME>(name), std::move(params), type,
std::forward<BODY>(body), std::move(attributes),
std::move(return_type_attributes));
}
/// Creates an ast::Function and registers it with the ast::Module.
/// @param source the source information
/// @param name the function name
/// @param params the function parameters
/// @param type the function return type
/// @param body the function body. Can be an ast::BlockStatement*, as ast::Statement* which will
/// be automatically placed into a block, or nullptr for a stub function.
/// @param attributes the optional function attributes
/// @param return_type_attributes the optional function return type attributes
/// @returns the function pointer
template <typename NAME, typename BODY = VectorRef<const ast::Statement*>>
const ast::Function* Func(const Source& source,
NAME&& name,
VectorRef<const ast::Parameter*> params,
ast::Type type,
BODY&& body,
VectorRef<const ast::Attribute*> attributes = Empty,
VectorRef<const ast::Attribute*> return_type_attributes = Empty) {
const ast::BlockStatement* block = nullptr;
using BODY_T = traits::PtrElTy<BODY>;
if constexpr (traits::IsTypeOrDerived<BODY_T, ast::BlockStatement> ||
std::is_same_v<BODY_T, std::nullptr_t>) {
block = body;
} else {
block = Block(std::forward<BODY>(body));
}
auto* func =
create<ast::Function>(source, Ident(std::forward<NAME>(name)), std::move(params), type,
block, std::move(attributes), std::move(return_type_attributes));
AST().AddFunction(func);
return func;
}
/// Creates an ast::BreakStatement
/// @param source the source information
/// @returns the break statement pointer
const ast::BreakStatement* Break(const Source& source) {
return create<ast::BreakStatement>(source);
}
/// Creates an ast::BreakStatement
/// @returns the break statement pointer
const ast::BreakStatement* Break() { return create<ast::BreakStatement>(); }
/// Creates a ast::BreakIfStatement with input condition
/// @param source the source information for the if statement
/// @param condition the if statement condition expression
/// @returns the break-if statement pointer
template <typename CONDITION>
const ast::BreakIfStatement* BreakIf(const Source& source, CONDITION&& condition) {
return create<ast::BreakIfStatement>(source, Expr(std::forward<CONDITION>(condition)));
}
/// Creates a ast::BreakIfStatement with input condition
/// @param condition the if statement condition expression
/// @returns the break-if statement pointer
template <typename CONDITION>
const ast::BreakIfStatement* BreakIf(CONDITION&& condition) {
return create<ast::BreakIfStatement>(Expr(std::forward<CONDITION>(condition)));
}
/// Creates an ast::ContinueStatement
/// @param source the source information
/// @returns the continue statement pointer
const ast::ContinueStatement* Continue(const Source& source) {
return create<ast::ContinueStatement>(source);
}
/// Creates an ast::ContinueStatement
/// @returns the continue statement pointer
const ast::ContinueStatement* Continue() { return create<ast::ContinueStatement>(); }
/// Creates an ast::ReturnStatement with no return value
/// @param source the source information
/// @returns the return statement pointer
const ast::ReturnStatement* Return(const Source& source) {
return create<ast::ReturnStatement>(source);
}
/// Creates an ast::ReturnStatement with no return value
/// @returns the return statement pointer
const ast::ReturnStatement* Return() { return create<ast::ReturnStatement>(); }
/// Creates an ast::ReturnStatement with the given return value
/// @param source the source information
/// @param val the return value
/// @returns the return statement pointer
template <typename EXPR>
const ast::ReturnStatement* Return(const Source& source, EXPR&& val) {
return create<ast::ReturnStatement>(source, Expr(std::forward<EXPR>(val)));
}
/// Creates an ast::ReturnStatement with the given return value
/// @param val the return value
/// @returns the return statement pointer
template <typename EXPR, typename = DisableIfSource<EXPR>>
const ast::ReturnStatement* Return(EXPR&& val) {
return create<ast::ReturnStatement>(Expr(std::forward<EXPR>(val)));
}
/// Creates an ast::DiscardStatement
/// @param source the source information
/// @returns the discard statement pointer
const ast::DiscardStatement* Discard(const Source& source) {
return create<ast::DiscardStatement>(source);
}
/// Creates an ast::DiscardStatement
/// @returns the discard statement pointer
const ast::DiscardStatement* Discard() { return create<ast::DiscardStatement>(); }
/// Creates a ast::Alias registering it with the AST().TypeDecls().
/// @param name the alias name
/// @param type the alias target type
/// @returns the alias type
template <typename NAME>
const ast::Alias* Alias(NAME&& name, ast::Type type) {
return Alias(source_, std::forward<NAME>(name), type);
}
/// Creates a ast::Alias registering it with the AST().TypeDecls().
/// @param source the source information
/// @param name the alias name
/// @param type the alias target type
/// @returns the alias type
template <typename NAME>
const ast::Alias* Alias(const Source& source, NAME&& name, ast::Type type) {
auto out = ty.alias(source, std::forward<NAME>(name), type);
AST().AddTypeDecl(out);
return out;
}
/// Creates a ast::Struct registering it with the AST().TypeDecls().
/// @param name the struct name
/// @param members the struct members
/// @param attributes the optional struct attributes
/// @returns the struct type
template <typename NAME>
const ast::Struct* Structure(NAME&& name,
VectorRef<const ast::StructMember*> members,
VectorRef<const ast::Attribute*> attributes = Empty) {
return Structure(source_, std::forward<NAME>(name), std::move(members),
std::move(attributes));
}
/// Creates a ast::Struct registering it with the AST().TypeDecls().
/// @param source the source information
/// @param name the struct name
/// @param members the struct members
/// @param attributes the optional struct attributes
/// @returns the struct type
template <typename NAME>
const ast::Struct* Structure(const Source& source,
NAME&& name,
VectorRef<const ast::StructMember*> members,
VectorRef<const ast::Attribute*> attributes = Empty) {
auto* type = create<ast::Struct>(source, Ident(std::forward<NAME>(name)),
std::move(members), std::move(attributes));
AST().AddTypeDecl(type);
return type;
}
/// Creates a ast::StructMember
/// @param name the struct member name
/// @param type the struct member type
/// @param attributes the optional struct member attributes
/// @returns the struct member pointer
template <typename NAME, typename = DisableIfSource<NAME>>
const ast::StructMember* Member(NAME&& name,
ast::Type type,
VectorRef<const ast::Attribute*> attributes = Empty) {
return Member(source_, std::forward<NAME>(name), type, std::move(attributes));
}
/// Creates a ast::StructMember
/// @param source the struct member source
/// @param name the struct member name
/// @param type the struct member type
/// @param attributes the optional struct member attributes
/// @returns the struct member pointer
template <typename NAME>
const ast::StructMember* Member(const Source& source,
NAME&& name,
ast::Type type,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::StructMember>(source, Ident(std::forward<NAME>(name)), type,
std::move(attributes));
}
/// Creates a ast::StructMember with the given byte offset
/// @param offset the offset to use in the StructMemberOffsetAttribute
/// @param name the struct member name
/// @param type the struct member type
/// @returns the struct member pointer
template <typename NAME>
const ast::StructMember* Member(uint32_t offset, NAME&& name, ast::Type type) {
return create<ast::StructMember>(source_, Ident(std::forward<NAME>(name)), type,
Vector<const ast::Attribute*, 1>{
MemberOffset(core::AInt(offset)),
});
}
/// Creates a ast::BlockStatement with input statements and attributes
/// @param statements the statements of the block
/// @param attributes the optional attributes of the block
/// @returns the block statement pointer
const ast::BlockStatement* Block(VectorRef<const ast::Statement*> statements,
VectorRef<const ast::Attribute*> attributes = Empty) {
return Block(source_, std::move(statements), std::move(attributes));
}
/// Creates a ast::BlockStatement with input statements and attributes
/// @param source the source information for the block
/// @param statements the statements of the block
/// @param attributes the optional attributes of the block
/// @returns the block statement pointer
const ast::BlockStatement* Block(const Source& source,
VectorRef<const ast::Statement*> statements,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::BlockStatement>(source, std::move(statements), std::move(attributes));
}
/// Creates a ast::BlockStatement with a parameter list of input statements
/// @param statements the optional statements of the block
/// @returns the block statement pointer
template <typename... STATEMENTS,
typename = DisableIfSource<STATEMENTS...>,
typename = DisableIfVectorLike<STATEMENTS...>>
const ast::BlockStatement* Block(STATEMENTS&&... statements) {
return Block(source_, std::forward<STATEMENTS>(statements)...);
}
/// Creates a ast::BlockStatement with a parameter list of input statements
/// @param source the source information for the block
/// @param statements the optional statements of the block
/// @returns the block statement pointer
template <typename... STATEMENTS, typename = DisableIfVectorLike<STATEMENTS...>>
const ast::BlockStatement* Block(const Source& source, STATEMENTS&&... statements) {
return create<ast::BlockStatement>(source,
Vector<const ast::Statement*, sizeof...(statements)>{
std::forward<STATEMENTS>(statements)...,
},
Empty);
}
/// A wrapper type for the Else statement used to create If statements.
struct ElseStmt {
/// Default constructor - no else statement.
ElseStmt() : stmt(nullptr) {}
/// Constructor
/// @param s The else statement
explicit ElseStmt(const ast::Statement* s) : stmt(s) {}
/// The else statement, or nullptr.
const ast::Statement* stmt;
};
/// Creates a ast::IfStatement with input condition, body, and optional
/// else statement
/// @param source the source information for the if statement
/// @param condition the if statement condition expression
/// @param body the if statement body
/// @param else_stmt optional else statement
/// @param attributes optional attributes
/// @returns the if statement pointer
template <typename CONDITION>
const ast::IfStatement* If(const Source& source,
CONDITION&& condition,
const ast::BlockStatement* body,
const ElseStmt else_stmt = ElseStmt(),
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::IfStatement>(source, Expr(std::forward<CONDITION>(condition)), body,
else_stmt.stmt, std::move(attributes));
}
/// Creates a ast::IfStatement with input condition, body, and optional
/// else statement
/// @param condition the if statement condition expression
/// @param body the if statement body
/// @param else_stmt optional else statement
/// @param attributes optional attributes
/// @returns the if statement pointer
template <typename CONDITION>
const ast::IfStatement* If(CONDITION&& condition,
const ast::BlockStatement* body,
const ElseStmt else_stmt = ElseStmt(),
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::IfStatement>(Expr(std::forward<CONDITION>(condition)), body,
else_stmt.stmt, std::move(attributes));
}
/// Creates an Else object.
/// @param stmt else statement
/// @returns the Else object
ElseStmt Else(const ast::Statement* stmt) { return ElseStmt(stmt); }
/// Creates a ast::AssignmentStatement with input lhs and rhs expressions
/// @param source the source information
/// @param lhs the left hand side expression initializer
/// @param rhs the right hand side expression initializer
/// @returns the assignment statement pointer
template <typename LhsExpressionInit, typename RhsExpressionInit>
const ast::AssignmentStatement* Assign(const Source& source,
LhsExpressionInit&& lhs,
RhsExpressionInit&& rhs) {
return create<ast::AssignmentStatement>(source, Expr(std::forward<LhsExpressionInit>(lhs)),
Expr(std::forward<RhsExpressionInit>(rhs)));
}
/// Creates a ast::AssignmentStatement with input lhs and rhs expressions
/// @param lhs the left hand side expression initializer
/// @param rhs the right hand side expression initializer
/// @returns the assignment statement pointer
template <typename LhsExpressionInit, typename RhsExpressionInit>
const ast::AssignmentStatement* Assign(LhsExpressionInit&& lhs, RhsExpressionInit&& rhs) {
return create<ast::AssignmentStatement>(Expr(std::forward<LhsExpressionInit>(lhs)),
Expr(std::forward<RhsExpressionInit>(rhs)));
}
/// Creates a ast::CompoundAssignmentStatement with input lhs and rhs
/// expressions, and a binary operator.
/// @param source the source information
/// @param lhs the left hand side expression initializer
/// @param rhs the right hand side expression initializer
/// @param op the binary operator
/// @returns the compound assignment statement pointer
template <typename LhsExpressionInit, typename RhsExpressionInit>
const ast::CompoundAssignmentStatement* CompoundAssign(const Source& source,
LhsExpressionInit&& lhs,
RhsExpressionInit&& rhs,
core::BinaryOp op) {
return create<ast::CompoundAssignmentStatement>(
source, Expr(std::forward<LhsExpressionInit>(lhs)),
Expr(std::forward<RhsExpressionInit>(rhs)), op);
}
/// Creates a ast::CompoundAssignmentStatement with input lhs and rhs
/// expressions, and a binary operator.
/// @param lhs the left hand side expression initializer
/// @param rhs the right hand side expression initializer
/// @param op the binary operator
/// @returns the compound assignment statement pointer
template <typename LhsExpressionInit, typename RhsExpressionInit>
const ast::CompoundAssignmentStatement* CompoundAssign(LhsExpressionInit&& lhs,
RhsExpressionInit&& rhs,
core::BinaryOp op) {
return create<ast::CompoundAssignmentStatement>(Expr(std::forward<LhsExpressionInit>(lhs)),
Expr(std::forward<RhsExpressionInit>(rhs)),
op);
}
/// Creates an ast::IncrementDecrementStatement with input lhs.
/// @param source the source information
/// @param lhs the left hand side expression initializer
/// @returns the increment decrement statement pointer
template <typename LhsExpressionInit>
const ast::IncrementDecrementStatement* Increment(const Source& source,
LhsExpressionInit&& lhs) {
return create<ast::IncrementDecrementStatement>(
source, Expr(std::forward<LhsExpressionInit>(lhs)), true);
}
/// Creates a ast::IncrementDecrementStatement with input lhs.
/// @param lhs the left hand side expression initializer
/// @returns the increment decrement statement pointer
template <typename LhsExpressionInit>
const ast::IncrementDecrementStatement* Increment(LhsExpressionInit&& lhs) {
return create<ast::IncrementDecrementStatement>(Expr(std::forward<LhsExpressionInit>(lhs)),
true);
}
/// Creates an ast::IncrementDecrementStatement with input lhs.
/// @param source the source information
/// @param lhs the left hand side expression initializer
/// @returns the increment decrement statement pointer
template <typename LhsExpressionInit>
const ast::IncrementDecrementStatement* Decrement(const Source& source,
LhsExpressionInit&& lhs) {
return create<ast::IncrementDecrementStatement>(
source, Expr(std::forward<LhsExpressionInit>(lhs)), false);
}
/// Creates a ast::IncrementDecrementStatement with input lhs.
/// @param lhs the left hand side expression initializer
/// @returns the increment decrement statement pointer
template <typename LhsExpressionInit>
const ast::IncrementDecrementStatement* Decrement(LhsExpressionInit&& lhs) {
return create<ast::IncrementDecrementStatement>(Expr(std::forward<LhsExpressionInit>(lhs)),
false);
}
/// Creates a ast::LoopStatement with input body and optional continuing
/// @param source the source information
/// @param body the loop body
/// @param continuing the optional continuing block
/// @param attributes optional attributes
/// @returns the loop statement pointer
const ast::LoopStatement* Loop(const Source& source,
const ast::BlockStatement* body,
const ast::BlockStatement* continuing = nullptr,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::LoopStatement>(source, body, continuing, std::move(attributes));
}
/// Creates a ast::LoopStatement with input body and optional continuing
/// @param body the loop body
/// @param continuing the optional continuing block
/// @param attributes optional attributes
/// @returns the loop statement pointer
const ast::LoopStatement* Loop(const ast::BlockStatement* body,
const ast::BlockStatement* continuing = nullptr,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::LoopStatement>(body, continuing, std::move(attributes));
}
/// Creates a ast::ForLoopStatement with input body and optional initializer, condition,
/// continuing, and attributes.
/// @param source the source information
/// @param init the optional loop initializer
/// @param cond the optional loop condition
/// @param cont the optional loop continuing
/// @param body the loop body
/// @param attributes optional attributes
/// @returns the for loop statement pointer
template <typename COND>
const ast::ForLoopStatement* For(const Source& source,
const ast::Statement* init,
COND&& cond,
const ast::Statement* cont,
const ast::BlockStatement* body,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::ForLoopStatement>(source, init, Expr(std::forward<COND>(cond)), cont,
body, std::move(attributes));
}
/// Creates a ast::ForLoopStatement with input body and optional initializer, condition,
/// continuing, and attributes.
/// @param init the optional loop initializer
/// @param cond the optional loop condition
/// @param cont the optional loop continuing
/// @param body the loop body
/// @param attributes optional attributes
/// @returns the for loop statement pointer
template <typename COND>
const ast::ForLoopStatement* For(const ast::Statement* init,
COND&& cond,
const ast::Statement* cont,
const ast::BlockStatement* body,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::ForLoopStatement>(init, Expr(std::forward<COND>(cond)), cont, body,
std::move(attributes));
}
/// Creates a ast::WhileStatement with input body, condition, and optional attributes.
/// @param source the source information
/// @param cond the loop condition
/// @param body the loop body
/// @param attributes optional attributes
/// @returns the while statement pointer
template <typename COND>
const ast::WhileStatement* While(const Source& source,
COND&& cond,
const ast::BlockStatement* body,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::WhileStatement>(source, Expr(std::forward<COND>(cond)), body,
std::move(attributes));
}
/// Creates a ast::WhileStatement with input body, condition, and optional attributes.
/// @param cond the condition
/// @param body the loop body
/// @param attributes optional attributes
/// @returns the while loop statement pointer
template <typename COND>
const ast::WhileStatement* While(COND&& cond,
const ast::BlockStatement* body,
VectorRef<const ast::Attribute*> attributes = Empty) {
return create<ast::WhileStatement>(Expr(std::forward<COND>(cond)), body,
std::move(attributes));
}
/// Creates a ast::VariableDeclStatement for the input variable
/// @param source the source information
/// @param var the variable to wrap in a decl statement
/// @returns the variable decl statement pointer
const ast::VariableDeclStatement* Decl(const Source& source, const ast::Variable* var) {
return create<ast::VariableDeclStatement>(source, var);
}
/// Creates a ast::VariableDeclStatement for the input variable
/// @param var the variable to wrap in a decl statement
/// @returns the variable decl statement pointer
const ast::VariableDeclStatement* Decl(const ast::Variable* var) {
return create<ast::VariableDeclStatement>(var);
}
/// Creates a ast::SwitchStatement with input expression and cases
/// @param source the source information
/// @param condition the condition expression initializer
/// @param cases case statements
/// @returns the switch statement pointer
template <typename ExpressionInit, typename... Cases, typename = DisableIfVectorLike<Cases...>>
const ast::SwitchStatement* Switch(const Source& source,
ExpressionInit&& condition,
Cases&&... cases) {
return create<ast::SwitchStatement>(
source, Expr(std::forward<ExpressionInit>(condition)),
Vector<const ast::CaseStatement*, sizeof...(cases)>{std::forward<Cases>(cases)...},
Empty, Empty);
}
/// Creates a ast::SwitchStatement with input expression and cases
/// @param condition the condition expression initializer
/// @param cases case statements
/// @returns the switch statement pointer
template <typename ExpressionInit,
typename... Cases,
typename = DisableIfSource<ExpressionInit>,
typename = DisableIfVectorLike<Cases...>>
const ast::SwitchStatement* Switch(ExpressionInit&& condition, Cases&&... cases) {
return create<ast::SwitchStatement>(
Expr(std::forward<ExpressionInit>(condition)),
Vector<const ast::CaseStatement*, sizeof...(cases)>{std::forward<Cases>(cases)...},
Empty, Empty);
}
/// Creates a ast::SwitchStatement with input expression, cases, and optional attributes
/// @param source the source information
/// @param condition the condition expression initializer
/// @param cases case statements
/// @param stmt_attributes optional statement attributes
/// @param body_attributes optional body attributes
/// @returns the switch statement pointer
template <typename ExpressionInit>
const ast::SwitchStatement* Switch(const Source& source,
ExpressionInit&& condition,
VectorRef<const ast::CaseStatement*> cases,
VectorRef<const ast::Attribute*> stmt_attributes = Empty,
VectorRef<const ast::Attribute*> body_attributes = Empty) {
return create<ast::SwitchStatement>(source, Expr(std::forward<ExpressionInit>(condition)),
cases, std::move(stmt_attributes),
std::move(body_attributes));
}
/// Creates a ast::SwitchStatement with input expression, cases, and optional attributes
/// @param condition the condition expression initializer
/// @param cases case statements
/// @param stmt_attributes optional statement attributes
/// @param body_attributes optional body attributes
/// @returns the switch statement pointer
template <typename ExpressionInit, typename = DisableIfSource<ExpressionInit>>
const ast::SwitchStatement* Switch(ExpressionInit&& condition,
VectorRef<const ast::CaseStatement*> cases,
VectorRef<const ast::Attribute*> stmt_attributes = Empty,
VectorRef<const ast::Attribute*> body_attributes = Empty) {
return create<ast::SwitchStatement>(Expr(std::forward<ExpressionInit>(condition)), cases,
std::move(stmt_attributes), std::move(body_attributes));
}
/// Creates a ast::CaseStatement with input list of selectors, and body
/// @param selectors list of selectors
/// @param body the case body
/// @returns the case statement pointer
const ast::CaseStatement* Case(VectorRef<const ast::CaseSelector*> selectors,
const ast::BlockStatement* body = nullptr) {
return Case(source_, std::move(selectors), body);
}
/// Creates a ast::CaseStatement with input list of selectors, and body
/// @param source the source information
/// @param selectors list of selectors
/// @param body the case body
/// @returns the case statement pointer
const ast::CaseStatement* Case(const Source& source,
VectorRef<const ast::CaseSelector*> selectors,
const ast::BlockStatement* body = nullptr) {
return create<ast::CaseStatement>(source, std::move(selectors), body ? body : Block());
}
/// Convenient overload that takes a single selector
/// @param selector a single case selector
/// @param body the case body
/// @returns the case statement pointer
const ast::CaseStatement* Case(const ast::CaseSelector* selector,
const ast::BlockStatement* body = nullptr) {
return Case(Vector{selector}, body ? body : Block());
}
/// Convenience function that creates a 'default' ast::CaseStatement
/// @param body the case body
/// @returns the case statement pointer
const ast::CaseStatement* DefaultCase(const ast::BlockStatement* body = nullptr) {
return DefaultCase(source_, body);
}
/// Convenience function that creates a 'default' ast::CaseStatement
/// @param source the source information
/// @param body the case body
/// @returns the case statement pointer
const ast::CaseStatement* DefaultCase(const Source& source,
const ast::BlockStatement* body = nullptr) {
return Case(source, Vector{DefaultCaseSelector(source)}, body);
}
/// Convenience function that creates a case selector
/// @param source the source information
/// @param expr the selector expression
/// @returns the selector pointer
template <typename EXPR>
const ast::CaseSelector* CaseSelector(const Source& source, EXPR&& expr) {
return create<ast::CaseSelector>(source, Expr(std::forward<EXPR>(expr)));
}
/// Convenience function that creates a case selector
/// @param expr the selector expression
/// @returns the selector pointer
template <typename EXPR>
const ast::CaseSelector* CaseSelector(EXPR&& expr) {
return create<ast::CaseSelector>(source_, Expr(std::forward<EXPR>(expr)));
}
/// Convenience function that creates a default case selector
/// @param source the source information
/// @returns the selector pointer
const ast::CaseSelector* DefaultCaseSelector(const Source& source) {
return create<ast::CaseSelector>(source, nullptr);
}
/// Convenience function that creates a default case selector
/// @returns the selector pointer
const ast::CaseSelector* DefaultCaseSelector() { return create<ast::CaseSelector>(nullptr); }
/// Creates an ast::BuiltinAttribute
/// @param source the source information
/// @param builtin the builtin value
/// @returns the builtin attribute pointer
template <typename BUILTIN>
const ast::BuiltinAttribute* Builtin(const Source& source, BUILTIN&& builtin) {
return create<ast::BuiltinAttribute>(source, Expr(std::forward<BUILTIN>(builtin)));
}
/// Creates an ast::BuiltinAttribute
/// @param builtin the builtin value
/// @returns the builtin attribute pointer
template <typename BUILTIN>
const ast::BuiltinAttribute* Builtin(BUILTIN&& builtin) {
return create<ast::BuiltinAttribute>(source_, Expr(std::forward<BUILTIN>(builtin)));
}
/// Creates an ast::InterpolateAttribute
/// @param type the interpolation type
/// @returns the interpolate attribute pointer
template <typename TYPE, typename = DisableIfSource<TYPE>>
const ast::InterpolateAttribute* Interpolate(TYPE&& type) {
return Interpolate(source_, std::forward<TYPE>(type));
}
/// Creates an ast::InterpolateAttribute
/// @param source the source information
/// @param type the interpolation type
/// @returns the interpolate attribute pointer
template <typename TYPE>
const ast::InterpolateAttribute* Interpolate(const Source& source, TYPE&& type) {
return create<ast::InterpolateAttribute>(source, Expr(std::forward<TYPE>(type)), nullptr);
}
/// Creates an ast::InterpolateAttribute
/// @param type the interpolation type
/// @param sampling the interpolation sampling
/// @returns the interpolate attribute pointer
template <typename TYPE, typename SAMPLING, typename = DisableIfSource<TYPE>>
const ast::InterpolateAttribute* Interpolate(TYPE&& type, SAMPLING&& sampling) {
return Interpolate(source_, std::forward<TYPE>(type), std::forward<SAMPLING>(sampling));
}
/// Creates an ast::InterpolateAttribute
/// @param source the source information
/// @param type the interpolation type
/// @param sampling the interpolation sampling
/// @returns the interpolate attribute pointer
template <typename TYPE, typename SAMPLING>
const ast::InterpolateAttribute* Interpolate(const Source& source,
TYPE&& type,
SAMPLING&& sampling) {
if constexpr (std::is_same_v<std::decay_t<SAMPLING>, core::InterpolationSampling>) {
if (sampling == core::InterpolationSampling::kUndefined) {
return create<ast::InterpolateAttribute>(source, Expr(std::forward<TYPE>(type)),
nullptr);
}
}
return create<ast::InterpolateAttribute>(source, Expr(std::forward<TYPE>(type)),
Expr(std::forward<SAMPLING>(sampling)));
}
/// Creates an ast::InterpolateAttribute using flat interpolation
/// @param source the source information
/// @returns the interpolate attribute pointer
const ast::InterpolateAttribute* Flat(const Source& source) {
return Interpolate(source, core::InterpolationType::kFlat);
}
/// Creates an ast::InterpolateAttribute using flat interpolation
/// @returns the interpolate attribute pointer
const ast::InterpolateAttribute* Flat() { return Interpolate(core::InterpolationType::kFlat); }
/// Creates an ast::InvariantAttribute
/// @param source the source information
/// @returns the invariant attribute pointer
const ast::InvariantAttribute* Invariant(const Source& source) {
return create<ast::InvariantAttribute>(source);
}
/// Creates an ast::InvariantAttribute
/// @returns the invariant attribute pointer
const ast::InvariantAttribute* Invariant() { return create<ast::InvariantAttribute>(source_); }
/// Creates an ast::MustUseAttribute
/// @param source the source information
/// @returns the invariant attribute pointer
const ast::MustUseAttribute* MustUse(const Source& source) {
return create<ast::MustUseAttribute>(source);
}
/// Creates an ast::MustUseAttribute
/// @returns the invariant attribute pointer
const ast::MustUseAttribute* MustUse() { return create<ast::MustUseAttribute>(source_); }
/// Creates an ast::LocationAttribute
/// @param source the source information
/// @param location the location value expression
/// @returns the location attribute pointer
template <typename EXPR>
const ast::LocationAttribute* Location(const Source& source, EXPR&& location) {
return create<ast::LocationAttribute>(source, Expr(std::forward<EXPR>(location)));
}
/// Creates an ast::ColorAttribute
/// @param index the index value expression
/// @returns the index attribute pointer
template <typename EXPR>
const ast::ColorAttribute* Color(EXPR&& index) {
return create<ast::ColorAttribute>(source_, Expr(std::forward<EXPR>(index)));
}
/// Creates an ast::ColorAttribute
/// @param source the source information
/// @param index the index value expression
/// @returns the index attribute pointer
template <typename EXPR>
const ast::ColorAttribute* Color(const Source& source, EXPR&& index) {
return create<ast::ColorAttribute>(source, Expr(std::forward<EXPR>(index)));
}
/// Creates an ast::LocationAttribute
/// @param location the location value expression
/// @returns the location attribute pointer
template <typename EXPR>
const ast::LocationAttribute* Location(EXPR&& location) {
return create<ast::LocationAttribute>(source_, Expr(std::forward<EXPR>(location)));
}
/// Creates an ast::BlendSrcAttribute
/// @param source the source information
/// @param blend_src the blend_src value expression
/// @returns the blend_src attribute pointer
template <typename EXPR>
const ast::BlendSrcAttribute* BlendSrc(const Source& source, EXPR&& blend_src) {
return create<ast::BlendSrcAttribute>(source, Expr(std::forward<EXPR>(blend_src)));
}
/// Creates an ast::BlendSrcAttribute
/// @param blend_src the blend_src value expression
/// @returns the blend_src attribute pointer
template <typename EXPR>
const ast::BlendSrcAttribute* BlendSrc(EXPR&& blend_src) {
return create<ast::BlendSrcAttribute>(source_, Expr(std::forward<EXPR>(blend_src)));
}
/// Creates an ast::IdAttribute
/// @param source the source information
/// @param id the id value
/// @returns the override attribute pointer
const ast::IdAttribute* Id(const Source& source, OverrideId id) {
return create<ast::IdAttribute>(source, Expr(core::AInt(id.value)));
}
/// Creates an ast::IdAttribute with an override identifier
/// @param id the optional id value
/// @returns the override attribute pointer
const ast::IdAttribute* Id(OverrideId id) {
return create<ast::IdAttribute>(Expr(core::AInt(id.value)));
}
/// Creates an ast::IdAttribute
/// @param source the source information
/// @param id the id value expression
/// @returns the override attribute pointer
template <typename EXPR>
const ast::IdAttribute* Id(const Source& source, EXPR&& id) {
return create<ast::IdAttribute>(source, Expr(std::forward<EXPR>(id)));
}
/// Creates an ast::IdAttribute with an override identifier
/// @param id the optional id value expression
/// @returns the override attribute pointer
template <typename EXPR>
const ast::IdAttribute* Id(EXPR&& id) {
return create<ast::IdAttribute>(Expr(std::forward<EXPR>(id)));
}
/// Creates an ast::StageAttribute
/// @param source the source information
/// @param stage the pipeline stage
/// @returns the stage attribute pointer
const ast::StageAttribute* Stage(const Source& source, ast::PipelineStage stage) {
return create<ast::StageAttribute>(source, stage);
}
/// Creates an ast::StageAttribute
/// @param stage the pipeline stage
/// @returns the stage attribute pointer
const ast::StageAttribute* Stage(ast::PipelineStage stage) {
return create<ast::StageAttribute>(source_, stage);
}
/// Creates an ast::WorkgroupAttribute
/// @param x the x dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X>
const ast::WorkgroupAttribute* WorkgroupSize(EXPR_X&& x) {
return WorkgroupSize(std::forward<EXPR_X>(x), nullptr, nullptr);
}
/// Creates an ast::WorkgroupAttribute
/// @param source the source information
/// @param x the x dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X>
const ast::WorkgroupAttribute* WorkgroupSize(const Source& source, EXPR_X&& x) {
return WorkgroupSize(source, std::forward<EXPR_X>(x), nullptr, nullptr);
}
/// Creates an ast::WorkgroupAttribute
/// @param source the source information
/// @param x the x dimension expression
/// @param y the y dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X, typename EXPR_Y>
const ast::WorkgroupAttribute* WorkgroupSize(const Source& source, EXPR_X&& x, EXPR_Y&& y) {
return WorkgroupSize(source, std::forward<EXPR_X>(x), std::forward<EXPR_Y>(y), nullptr);
}
/// Creates an ast::WorkgroupAttribute
/// @param x the x dimension expression
/// @param y the y dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X, typename EXPR_Y, typename = DisableIfSource<EXPR_X>>
const ast::WorkgroupAttribute* WorkgroupSize(EXPR_X&& x, EXPR_Y&& y) {
return WorkgroupSize(std::forward<EXPR_X>(x), std::forward<EXPR_Y>(y), nullptr);
}
/// Creates an ast::WorkgroupAttribute
/// @param source the source information
/// @param x the x dimension expression
/// @param y the y dimension expression
/// @param z the z dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X, typename EXPR_Y, typename EXPR_Z>
const ast::WorkgroupAttribute* WorkgroupSize(const Source& source,
EXPR_X&& x,
EXPR_Y&& y,
EXPR_Z&& z) {
return create<ast::WorkgroupAttribute>(source, Expr(std::forward<EXPR_X>(x)),
Expr(std::forward<EXPR_Y>(y)),
Expr(std::forward<EXPR_Z>(z)));
}
/// Creates an ast::WorkgroupAttribute
/// @param x the x dimension expression
/// @param y the y dimension expression
/// @param z the z dimension expression
/// @returns the workgroup attribute pointer
template <typename EXPR_X, typename EXPR_Y, typename EXPR_Z, typename = DisableIfSource<EXPR_X>>
const ast::WorkgroupAttribute* WorkgroupSize(EXPR_X&& x, EXPR_Y&& y, EXPR_Z&& z) {
return create<ast::WorkgroupAttribute>(source_, Expr(std::forward<EXPR_X>(x)),
Expr(std::forward<EXPR_Y>(y)),
Expr(std::forward<EXPR_Z>(z)));
}
/// Creates an ast::DisableValidationAttribute
/// @param validation the validation to disable
/// @returns the disable validation attribute pointer
const ast::DisableValidationAttribute* Disable(ast::DisabledValidation validation) {
return ASTNodes().Create<ast::DisableValidationAttribute>(ID(), AllocateNodeID(),
validation);
}
/// Passthrough overload
/// @param name the diagnostic rule name
/// @returns @p name
const ast::DiagnosticRuleName* DiagnosticRuleName(const ast::DiagnosticRuleName* name) {
return name;
}
/// Creates an ast::DiagnosticRuleName
/// @param name the diagnostic rule name
/// @returns the diagnostic rule name
template <typename NAME>
const ast::DiagnosticRuleName* DiagnosticRuleName(NAME&& name) {
static_assert(!traits::IsType<traits::PtrElTy<NAME>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule name to be templated");
auto* name_ident = Ident(std::forward<NAME>(name));
return create<ast::DiagnosticRuleName>(name_ident->source, name_ident);
}
/// Creates an ast::DiagnosticRuleName
/// @param category the diagnostic rule category
/// @param name the diagnostic rule name
/// @returns the diagnostic rule name
template <typename CATEGORY, typename NAME, typename = DisableIfSource<CATEGORY>>
const ast::DiagnosticRuleName* DiagnosticRuleName(CATEGORY&& category, NAME&& name) {
static_assert(!traits::IsType<traits::PtrElTy<NAME>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule name to be templated");
static_assert(!traits::IsType<traits::PtrElTy<CATEGORY>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule category to be templated");
auto* category_ident = Ident(std::forward<CATEGORY>(category));
auto* name_ident = Ident(std::forward<NAME>(name));
Source source = category_ident->source;
source.range.end = name_ident->source.range.end;
return create<ast::DiagnosticRuleName>(source, category_ident, name_ident);
}
/// Creates an ast::DiagnosticRuleName
/// @param source the source information
/// @param name the diagnostic rule name
/// @returns the diagnostic rule name
template <typename NAME>
const ast::DiagnosticRuleName* DiagnosticRuleName(const Source& source, NAME&& name) {
static_assert(!traits::IsType<traits::PtrElTy<NAME>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule name to be templated");
auto* name_ident = Ident(std::forward<NAME>(name));
return create<ast::DiagnosticRuleName>(source, name_ident);
}
/// Creates an ast::DiagnosticRuleName
/// @param source the source information
/// @param category the diagnostic rule category
/// @param name the diagnostic rule name
/// @returns the diagnostic rule name
template <typename CATEGORY, typename NAME>
const ast::DiagnosticRuleName* DiagnosticRuleName(const Source& source,
CATEGORY&& category,
NAME&& name) {
static_assert(!traits::IsType<traits::PtrElTy<NAME>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule name to be templated");
static_assert(!traits::IsType<traits::PtrElTy<CATEGORY>, ast::TemplatedIdentifier>,
"it is invalid for a diagnostic rule category to be templated");
auto* category_ident = Ident(std::forward<CATEGORY>(category));
auto* name_ident = Ident(std::forward<NAME>(name));
return create<ast::DiagnosticRuleName>(source, category_ident, name_ident);
}
/// Creates an ast::DiagnosticAttribute
/// @param source the source information
/// @param severity the diagnostic severity control
/// @param rule_args the arguments used to construct the rule name
/// @returns the diagnostic attribute pointer
template <typename... RULE_ARGS>
const ast::DiagnosticAttribute* DiagnosticAttribute(const Source& source,
wgsl::DiagnosticSeverity severity,
RULE_ARGS&&... rule_args) {
return create<ast::DiagnosticAttribute>(
source, ast::DiagnosticControl(
severity, DiagnosticRuleName(std::forward<RULE_ARGS>(rule_args)...)));
}
/// Creates an ast::DiagnosticAttribute
/// @param severity the diagnostic severity control
/// @param rule_args the arguments used to construct the rule name
/// @returns the diagnostic attribute pointer
template <typename... RULE_ARGS>
const ast::DiagnosticAttribute* DiagnosticAttribute(wgsl::DiagnosticSeverity severity,
RULE_ARGS&&... rule_args) {
return create<ast::DiagnosticAttribute>(
source_, ast::DiagnosticControl(
severity, DiagnosticRuleName(std::forward<RULE_ARGS>(rule_args)...)));
}
/// Add a diagnostic directive to the module.
/// @param source the source information
/// @param severity the diagnostic severity control
/// @param rule_args the arguments used to construct the rule name
/// @returns the diagnostic directive pointer
template <typename... RULE_ARGS>
const ast::DiagnosticDirective* DiagnosticDirective(const Source& source,
wgsl::DiagnosticSeverity severity,
RULE_ARGS&&... rule_args) {
auto* rule = DiagnosticRuleName(std::forward<RULE_ARGS>(rule_args)...);
auto* directive =
create<ast::DiagnosticDirective>(source, ast::DiagnosticControl(severity, rule));
AST().AddDiagnosticDirective(directive);
return directive;
}
/// Add a diagnostic directive to the module.
/// @param severity the diagnostic severity control
/// @param rule_args the arguments used to construct the rule name
/// @returns the diagnostic directive pointer
template <typename... RULE_ARGS>
const ast::DiagnosticDirective* DiagnosticDirective(wgsl::DiagnosticSeverity severity,
RULE_ARGS&&... rule_args) {
auto* rule = DiagnosticRuleName(std::forward<RULE_ARGS>(rule_args)...);
auto* directive =
create<ast::DiagnosticDirective>(source_, ast::DiagnosticControl(severity, rule));
AST().AddDiagnosticDirective(directive);
return directive;
}
/// Sets the current builder source to `src`
/// @param src the Source used for future create() calls
void SetSource(const Source& src) {
AssertNotMoved();
source_ = src;
}
/// Sets the current builder source to `loc`
/// @param loc the Source used for future create() calls
void SetSource(const Source::Location& loc) {
AssertNotMoved();
source_ = Source(loc);
}
/// Wraps the ast::Expression in a statement. This is used by tests that
/// construct a partial AST and require the Resolver to reach these
/// nodes.
/// @param expr the ast::Expression to be wrapped by an ast::Statement
/// @return the ast::Statement that wraps the ast::Expression
const ast::Statement* WrapInStatement(const ast::Expression* expr);
/// Wraps the ast::Variable in a ast::VariableDeclStatement. This is used by
/// tests that construct a partial AST and require the Resolver to reach
/// these nodes.
/// @param v the ast::Variable to be wrapped by an ast::VariableDeclStatement
/// @return the ast::VariableDeclStatement that wraps the ast::Variable
const ast::VariableDeclStatement* WrapInStatement(const ast::Variable* v);
/// Returns the statement argument. Used as a passthrough-overload by
/// WrapInFunction().
/// @param stmt the ast::Statement
/// @return `stmt`
const ast::Statement* WrapInStatement(const ast::Statement* stmt);
/// Wraps the list of arguments in a simple function so that each is reachable
/// by the Resolver.
/// @param args a mix of ast::Expression, ast::Statement, ast::Variables.
/// @returns the function
template <typename... ARGS,
typename = traits::EnableIf<(CanWrapInStatement<ARGS>::value && ...)>>
const ast::Function* WrapInFunction(ARGS&&... args) {
Vector stmts{
WrapInStatement(std::forward<ARGS>(args))...,
};
return WrapInFunction(std::move(stmts));
}
/// @param stmts a list of ast::Statement that will be wrapped by a function,
/// so that each statement is reachable by the Resolver.
/// @returns the function
const ast::Function* WrapInFunction(VectorRef<const ast::Statement*> stmts);
/// The builder types
TypesBuilder const ty{this};
protected:
/// Asserts that the builder has not been moved.
void AssertNotMoved() const;
/// The unique identifier for this program
GenerationID id_;
/// The last Node identifier
ast::NodeID last_ast_node_id_ = ast::NodeID{static_cast<decltype(ast::NodeID::value)>(0) - 1};
/// Allocator for AST nodes
ASTNodeAllocator ast_nodes_;
/// The AST node module
ast::Module* ast_ = nullptr;
/// The symbol table
SymbolTable symbols_{id_};
/// The diagnostic list
diag::List diagnostics_;
/// The source to use when creating AST nodes without providing a Source as
/// the first argument.
Source source_;
/// Set by MarkAsMoved(). Once set, no methods may be called on this builder.
bool moved_ = false;
};
//! @cond Doxygen_Suppress
// Various template specializations for Builder::TypesBuilder::CToAST.
template <>
struct Builder::TypesBuilder::CToAST<core::AInt> {
static ast::Type get(const Builder::TypesBuilder*) { return ast::Type{}; }
};
template <>
struct Builder::TypesBuilder::CToAST<core::AFloat> {
static ast::Type get(const Builder::TypesBuilder*) { return ast::Type{}; }
};
template <>
struct Builder::TypesBuilder::CToAST<core::i32> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->i32(); }
};
template <>
struct Builder::TypesBuilder::CToAST<core::u32> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->u32(); }
};
template <>
struct Builder::TypesBuilder::CToAST<core::f32> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->f32(); }
};
template <>
struct Builder::TypesBuilder::CToAST<core::f16> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->f16(); }
};
template <>
struct Builder::TypesBuilder::CToAST<bool> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->bool_(); }
};
template <typename T, uint32_t N>
struct Builder::TypesBuilder::CToAST<core::fluent_types::array<T, N>> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->array<T, N>(); }
};
template <typename T>
struct Builder::TypesBuilder::CToAST<core::fluent_types::atomic<T>> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->atomic<T>(); }
};
template <uint32_t C, uint32_t R, typename T>
struct Builder::TypesBuilder::CToAST<core::fluent_types::mat<C, R, T>> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->mat<T>(C, R); }
};
template <uint32_t N, typename T>
struct Builder::TypesBuilder::CToAST<core::fluent_types::vec<N, T>> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->vec<T, N>(); }
};
template <core::AddressSpace ADDRESS, typename T, core::Access ACCESS>
struct Builder::TypesBuilder::CToAST<core::fluent_types::ptr<ADDRESS, T, ACCESS>> {
static ast::Type get(const Builder::TypesBuilder* t) { return t->ptr<ADDRESS, T, ACCESS>(); }
};
//! @endcond
// Primary template for metafunction that evaluates to true iff T can be wrapped in a statement.
template <typename T, typename /* = void */>
struct CanWrapInStatement : std::false_type {};
// Specialization of CanWrapInStatement
template <typename T>
struct CanWrapInStatement<
T,
std::void_t<decltype(std::declval<Builder>().WrapInStatement(std::declval<T>()))>>
: std::true_type {};
} // namespace tint::ast
namespace tint {
/// @param builder the Builder
/// @returns the GenerationID of the ast::Builder
inline GenerationID GenerationIDOf(const ast::Builder* builder) {
return builder->ID();
}
} // namespace tint
#endif // SRC_TINT_LANG_WGSL_AST_BUILDER_H_