116 lines
3.6 KiB
C++
116 lines
3.6 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/type.h"
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namespace tint {
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namespace ast {
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class TypeDecl;
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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 pid the identifier of the program that owns this node
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/// @param src the source of this node
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Module(ProgramID pid, const Source& src);
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/// Constructor
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/// @param pid the identifier of the program that owns this node
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/// @param src the source of this node
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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(ProgramID pid,
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const Source& src,
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std::vector<const Node*> 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<const Node*>& 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(const Variable* var);
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/// @returns true if the module has the global declaration `decl`
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/// @param decl the declaration to check
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bool HasGlobalDeclaration(Node* decl) const {
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for (auto* d : global_declarations_) {
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if (d == decl) {
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return true;
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}
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}
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return false;
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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 type declaration to the Builder.
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/// @param decl the type declaration to add
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void AddTypeDecl(const TypeDecl* decl);
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/// @returns the TypeDecl registered as a TypeDecl()
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/// @param name the name of the type to search for
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const TypeDecl* LookupType(Symbol name) const;
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/// @returns the declared types in the translation unit
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const std::vector<const TypeDecl*>& TypeDecls() const { return type_decls_; }
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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(const Function* func);
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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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/// 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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const 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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private:
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std::vector<const Node*> global_declarations_;
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std::vector<const TypeDecl*> type_decls_;
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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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