81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/* -*- C++ -*-
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* Serene programming language.
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*
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* Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef SERENE_CONTEXT_H
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#define SERENE_CONTEXT_H
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#include "serene/environment.h"
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#include "serene/namespace.h"
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#include "serene/passes/slir_lowering.h"
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#include "serene/slir/dialect.h"
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#include <llvm/ADT/StringRef.h>
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#include <memory>
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#include <mlir/IR/MLIRContext.h>
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#include <mlir/Pass/PassManager.h>
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namespace serene {
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namespace exprs {
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class Expression;
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using Node = std::shared_ptr<Expression>;
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} // namespace exprs
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class SereneContext {
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std::map<std::string, std::shared_ptr<Namespace>> namespaces;
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// Why string vs pointer? We might rewrite the namespace and
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// holding a pointer means that it might point to the old version
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std::string current_ns;
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public:
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mlir::MLIRContext mlirContext;
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mlir::PassManager pm;
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/// Insert the given `ns` into the context. The Context object is
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/// the owner of all the namespaces. The `ns` will overwrite any
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/// namespace with the same name.
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void insertNS(std::shared_ptr<Namespace> ns);
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/// Sets the n ame of the current namespace in the context and return
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/// a boolean indicating the status of this operation. The operation
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/// will fail if the namespace does not exist in the namespace table.
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bool setCurrentNS(llvm::StringRef ns_name);
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std::shared_ptr<Namespace> getCurrentNS();
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std::shared_ptr<Namespace> getNS(llvm::StringRef ns_name);
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SereneContext() : pm(&mlirContext) {
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mlirContext.getOrLoadDialect<serene::slir::SereneDialect>();
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pm.addPass(serene::passes::createSLIRLowerToAffinePass());
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};
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};
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/// Creates a new context object. Contexts are used through out the compilation
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/// process to store the state
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std::unique_ptr<SereneContext> makeSereneContext();
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}; // namespace serene
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#endif
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