124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_AST_MODULE_H_
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#define SRC_AST_MODULE_H_
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#include <string>
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#include <vector>
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#include "src/ast/function.h"
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#include "src/ast/node.h"
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#include "src/ast/variable.h"
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#include "src/type/type.h"
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namespace tint {
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namespace ast {
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/// Module holds the top-level AST types, functions and global variables used by
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/// a Program.
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class Module : public Castable<Module, Node> {
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public:
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/// Constructor
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/// @param source the source of the module
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explicit Module(const Source& source);
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/// Constructor
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/// @param source the source of the module
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/// @param global_decls the list of global types, functions, and variables, in
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/// the order they were declared in the source program
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Module(const Source& source, std::vector<CastableBase*> global_decls);
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/// Destructor
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~Module() override;
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/// @returns the ordered global declarations for the translation unit
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const std::vector<CastableBase*>& GlobalDeclarations() const {
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return global_declarations_;
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}
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/// Add a global variable to the Builder
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/// @param var the variable to add
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void AddGlobalVariable(ast::Variable* var) {
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global_variables_.push_back(var);
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global_declarations_.push_back(var);
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}
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/// @returns the global variables for the translation unit
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const VariableList& GlobalVariables() const { return global_variables_; }
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/// @returns the global variables for the translation unit
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VariableList& GlobalVariables() { return global_variables_; }
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/// Adds a constructed type to the Builder.
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/// The type must be an alias or a struct.
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/// @param type the constructed type to add
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void AddConstructedType(type::Type* type) {
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constructed_types_.push_back(type);
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global_declarations_.push_back(type);
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}
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/// @returns the constructed types in the translation unit
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const std::vector<type::Type*>& ConstructedTypes() const {
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return constructed_types_;
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}
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/// Add a function to the Builder
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/// @param func the function to add
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void AddFunction(ast::Function* func) {
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functions_.push_back(func);
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global_declarations_.push_back(func);
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}
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/// @returns the functions declared in the translation unit
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const FunctionList& Functions() const { return functions_; }
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/// @returns true if all required fields in the AST are present.
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bool IsValid() const override;
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/// Clones this node and all transitive child nodes using the `CloneContext`
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/// `ctx`.
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/// @param ctx the clone context
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/// @return the newly cloned node
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Module* Clone(CloneContext* ctx) const override;
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/// Copy copies the content of the Module src into this module.
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/// @param ctx the clone context
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/// @param src the module to copy into this module
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void Copy(CloneContext* ctx, const Module* src);
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/// Writes a representation of the node to the output stream
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/// @param sem the semantic info for the program
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/// @param out the stream to write to
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/// @param indent number of spaces to indent the node when writing
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void to_str(const semantic::Info& sem,
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std::ostream& out,
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size_t indent) const override;
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/// @param sem the semantic info for the program
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/// @returns a string representation of the Builder
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std::string to_str(const semantic::Info& sem) const;
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private:
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std::vector<CastableBase*> global_declarations_;
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std::vector<type::Type*> constructed_types_;
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FunctionList functions_;
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VariableList global_variables_;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_MODULE_H_
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