mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 21:00:13 +01:00
Jon Meow
20728dbd3a
This modifies scripts/check_header_guards.py to add the CARBON_ prefix; everything else is pre-commit.
61 lines
2.6 KiB
C++
61 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 CARBON_EXPLORER_INTERPRETER_INTERPRETER_H_
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#define CARBON_EXPLORER_INTERPRETER_INTERPRETER_H_
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#include <optional>
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#include <utility>
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#include <vector>
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#include "common/ostream.h"
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#include "explorer/ast/ast.h"
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#include "explorer/ast/declaration.h"
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#include "explorer/ast/expression.h"
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#include "explorer/ast/pattern.h"
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#include "explorer/interpreter/action.h"
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#include "explorer/interpreter/heap.h"
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#include "explorer/interpreter/value.h"
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#include "llvm/ADT/ArrayRef.h"
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namespace Carbon {
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// Interprets the program defined by `ast`, allocating values on `arena` and
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// printing traces if `trace` is true.
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auto InterpProgram(const AST& ast, Nonnull<Arena*> arena,
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std::optional<Nonnull<llvm::raw_ostream*>> trace_stream)
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-> ErrorOr<int>;
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// Interprets `e` at compile-time, allocating values on `arena` and
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// printing traces if `trace` is true. The caller must ensure that all the
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// code this evaluates has been typechecked.
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auto InterpExp(Nonnull<const Expression*> e, Nonnull<Arena*> arena,
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std::optional<Nonnull<llvm::raw_ostream*>> trace_stream)
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-> ErrorOr<Nonnull<const Value*>>;
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// Interprets `p` at compile-time, allocating values on `arena` and
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// printing traces if `trace` is true. The caller must ensure that all the
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// code this evaluates has been typechecked.
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auto InterpPattern(Nonnull<const Pattern*> p, Nonnull<Arena*> arena,
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std::optional<Nonnull<llvm::raw_ostream*>> trace_stream)
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-> ErrorOr<Nonnull<const Value*>>;
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// Attempts to match `v` against the pattern `p`, returning whether matching
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// is successful. If it is, populates **bindings with the variables bound by
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// the match; `bindings` should only be nullopt in contexts where `p`
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// is not permitted to bind variables. **bindings may be modified even if the
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// match is unsuccessful, so it should typically be created for the
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// PatternMatch call and then merged into an existing scope on success.
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// The matches for generic variables in the pattern are output in
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// `generic_args`.
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// TODO: consider moving this to a separate header.
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[[nodiscard]] auto PatternMatch(
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Nonnull<const Value*> p, Nonnull<const Value*> v, SourceLocation source_loc,
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std::optional<Nonnull<RuntimeScope*>> bindings, BindingMap& generic_args,
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std::optional<Nonnull<llvm::raw_ostream*>> trace_stream) -> bool;
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} // namespace Carbon
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#endif // CARBON_EXPLORER_INTERPRETER_INTERPRETER_H_
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