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72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
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#define EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
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#include "common/ostream.h"
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#include "executable_semantics/ast/expression.h"
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#include "executable_semantics/ast/pattern.h"
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#include "executable_semantics/ast/source_location.h"
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#include "executable_semantics/ast/statement.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Support/Compiler.h"
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namespace Carbon {
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// TODO: expand the kinds of things that can be deduced parameters.
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// For now, only generic parameters are supported.
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struct GenericBinding {
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std::string name;
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Nonnull<const Expression*> type;
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};
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class FunctionDefinition {
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public:
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FunctionDefinition(SourceLocation source_loc, std::string name,
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std::vector<GenericBinding> deduced_params,
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Nonnull<const TuplePattern*> param_pattern,
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Nonnull<const Pattern*> return_type,
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bool is_omitted_return_type,
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std::optional<Nonnull<const Statement*>> body)
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: source_loc_(source_loc),
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name_(std::move(name)),
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deduced_parameters_(deduced_params),
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param_pattern_(param_pattern),
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return_type_(return_type),
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is_omitted_return_type_(is_omitted_return_type),
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body_(body) {}
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void Print(llvm::raw_ostream& out) const { PrintDepth(-1, out); }
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void PrintDepth(int depth, llvm::raw_ostream& out) const;
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LLVM_DUMP_METHOD void Dump() const { Print(llvm::errs()); }
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auto source_loc() const -> SourceLocation { return source_loc_; }
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auto name() const -> const std::string& { return name_; }
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auto deduced_parameters() const -> llvm::ArrayRef<GenericBinding> {
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return deduced_parameters_;
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}
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auto param_pattern() const -> const TuplePattern& { return *param_pattern_; }
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auto return_type() const -> const Pattern& { return *return_type_; }
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auto is_omitted_return_type() const -> bool {
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return is_omitted_return_type_;
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}
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auto body() const -> std::optional<Nonnull<const Statement*>> {
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return body_;
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}
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private:
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SourceLocation source_loc_;
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std::string name_;
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std::vector<GenericBinding> deduced_parameters_;
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Nonnull<const TuplePattern*> param_pattern_;
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Nonnull<const Pattern*> return_type_;
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bool is_omitted_return_type_;
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std::optional<Nonnull<const Statement*>> body_;
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};
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} // namespace Carbon
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#endif // EXECUTABLE_SEMANTICS_AST_FUNCTION_DEFINITION_H_
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