mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
dc495e299e
This is currently only allowed in assignments, where x=(...) is parsed as the assignment of the list (...) to the variable x.
1559 lines
55 KiB
C++
1559 lines
55 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "Forward.h"
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#include "Job.h"
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#include "NodeVisitor.h"
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#include <AK/Format.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefCounted.h>
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#include <AK/RefPtr.h>
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#include <AK/String.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <LibLine/Editor.h>
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#include <LibRegex/Regex.h>
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namespace Shell::AST {
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using AK::make_ref_counted;
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template<typename T>
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static inline NonnullRefPtr<T> make_ref_counted(std::initializer_list<NonnullRefPtr<Value>> arg)
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{
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return adopt_ref(*new T(arg));
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}
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struct HighlightMetadata {
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bool is_first_in_list { true };
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};
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struct Position {
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size_t start_offset { 0 };
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size_t end_offset { 0 };
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struct Line {
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size_t line_number { 0 };
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size_t line_column { 0 };
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bool operator==(Line const& other) const
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{
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return line_number == other.line_number && line_column == other.line_column;
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}
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} start_line, end_line;
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bool contains(size_t offset) const { return start_offset <= offset && offset <= end_offset; }
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Position with_end(Position const& end) const
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{
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return {
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.start_offset = start_offset,
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.end_offset = end.end_offset,
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.start_line = start_line,
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.end_line = end.end_line,
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};
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}
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};
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struct NameWithPosition {
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String name;
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Position position;
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};
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struct FdRedirection;
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struct Rewiring : public RefCounted<Rewiring> {
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int old_fd { -1 };
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int new_fd { -1 };
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FdRedirection* other_pipe_end { nullptr };
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enum class Close {
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None,
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Old,
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New,
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RefreshNew,
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RefreshOld,
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ImmediatelyCloseNew,
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} fd_action { Close::None };
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Rewiring(int source, int dest, Close close = Close::None)
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: old_fd(source)
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, new_fd(dest)
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, fd_action(close)
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{
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}
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Rewiring(int source, int dest, FdRedirection* other_end, Close close)
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: old_fd(source)
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, new_fd(dest)
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, other_pipe_end(other_end)
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, fd_action(close)
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{
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}
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};
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struct Redirection : public RefCounted<Redirection> {
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virtual ErrorOr<NonnullRefPtr<Rewiring>> apply() const = 0;
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virtual ~Redirection();
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virtual bool is_path_redirection() const { return false; }
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virtual bool is_fd_redirection() const { return false; }
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virtual bool is_close_redirection() const { return false; }
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};
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struct CloseRedirection : public Redirection {
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int fd { -1 };
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virtual ErrorOr<NonnullRefPtr<Rewiring>> apply() const override;
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virtual ~CloseRedirection();
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CloseRedirection(int fd)
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: fd(fd)
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{
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}
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private:
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virtual bool is_close_redirection() const override { return true; }
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};
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struct PathRedirection : public Redirection {
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String path;
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int fd { -1 };
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enum {
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Read,
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Write,
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WriteAppend,
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ReadWrite,
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} direction { Read };
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static NonnullRefPtr<PathRedirection> create(String path, int fd, decltype(direction) direction)
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{
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return adopt_ref(*new PathRedirection(move(path), fd, direction));
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}
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virtual ErrorOr<NonnullRefPtr<Rewiring>> apply() const override;
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virtual ~PathRedirection();
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private:
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PathRedirection(String path, int fd, decltype(direction) direction)
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: path(move(path))
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, fd(fd)
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, direction(direction)
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{
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}
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virtual bool is_path_redirection() const override { return true; }
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};
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struct FdRedirection : public Redirection {
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public:
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static NonnullRefPtr<FdRedirection> create(int old_fd, int new_fd, Rewiring::Close close)
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{
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return adopt_ref(*new FdRedirection(old_fd, new_fd, close));
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}
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static NonnullRefPtr<FdRedirection> create(int old_fd, int new_fd, FdRedirection* pipe_end, Rewiring::Close close)
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{
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return adopt_ref(*new FdRedirection(old_fd, new_fd, pipe_end, close));
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}
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virtual ~FdRedirection();
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virtual ErrorOr<NonnullRefPtr<Rewiring>> apply() const override
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{
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return adopt_ref(*new Rewiring(old_fd, new_fd, other_pipe_end, action));
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}
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int old_fd { -1 };
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int new_fd { -1 };
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FdRedirection* other_pipe_end { nullptr };
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Rewiring::Close action { Rewiring::Close::None };
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private:
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FdRedirection(int source, int dest, Rewiring::Close close)
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: FdRedirection(source, dest, nullptr, close)
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{
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}
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FdRedirection(int old_fd, int new_fd, FdRedirection* pipe_end, Rewiring::Close close)
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: old_fd(old_fd)
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, new_fd(new_fd)
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, other_pipe_end(pipe_end)
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, action(close)
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{
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}
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virtual bool is_fd_redirection() const override { return true; }
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};
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class Pipeline : public RefCounted<Pipeline> {
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public:
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pid_t pgid { -1 };
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};
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struct NodeWithAction {
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mutable NonnullRefPtr<Node> node;
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enum Action {
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And,
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Or,
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Sequence,
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} action;
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NodeWithAction(Node& node, Action action)
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: node(node)
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, action(action)
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{
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}
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};
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struct Command {
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Vector<String> argv;
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Vector<NonnullRefPtr<Redirection>> redirections;
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bool should_wait { true };
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bool is_pipe_source { false };
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bool should_notify_if_in_background { true };
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bool should_immediately_execute_next { false };
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mutable RefPtr<Pipeline> pipeline;
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Vector<NodeWithAction> next_chain;
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Optional<Position> position;
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};
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struct HitTestResult {
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RefPtr<Node const> matching_node;
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RefPtr<Node const> closest_node_with_semantic_meaning; // This is used if matching_node is a bareword
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RefPtr<Node const> closest_command_node; // This is used if matching_node is a bareword, and it is not the first in a list
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};
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class Value : public RefCounted<Value> {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) = 0;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell> shell);
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virtual ErrorOr<Vector<Command>> resolve_as_commands(RefPtr<Shell>);
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virtual ErrorOr<NonnullRefPtr<Value>> resolve_without_cast(RefPtr<Shell>) { return *this; }
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const = 0;
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virtual ErrorOr<NonnullRefPtr<Value>> with_slices(NonnullRefPtr<Slice> slice) const&;
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virtual ErrorOr<NonnullRefPtr<Value>> with_slices(Vector<NonnullRefPtr<Slice>> slices) const&;
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virtual ~Value();
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virtual bool is_command() const { return false; }
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virtual bool is_glob() const { return false; }
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virtual bool is_job() const { return false; }
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virtual bool is_list() const { return false; }
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virtual bool is_string() const { return false; }
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virtual bool is_list_without_resolution() const { return false; }
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protected:
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Value& set_slices(Vector<NonnullRefPtr<Slice>> slices)
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{
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m_slices = move(slices);
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return *this;
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}
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Vector<NonnullRefPtr<Slice>> m_slices;
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};
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class CommandValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<Vector<Command>> resolve_as_commands(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<CommandValue>(m_command))->set_slices(m_slices); }
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virtual ~CommandValue();
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virtual bool is_command() const override { return true; }
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CommandValue(Command command)
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: m_command(move(command))
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{
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}
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CommandValue(Vector<String> argv, Position position)
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: m_command({ move(argv), {}, true, false, true, false, nullptr, {}, move(position) })
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{
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}
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private:
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Command m_command;
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};
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class CommandSequenceValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<Vector<Command>> resolve_as_commands(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<CommandSequenceValue>(m_contained_values))->set_slices(m_slices); }
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virtual ~CommandSequenceValue();
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virtual bool is_command() const override { return true; }
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CommandSequenceValue(Vector<Command> commands)
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: m_contained_values(move(commands))
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{
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}
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private:
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Vector<Command> m_contained_values;
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};
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class JobValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override { VERIFY_NOT_REACHED(); }
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell>) override { return String::formatted("%{}", m_job->job_id()); }
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virtual ErrorOr<Vector<Command>> resolve_as_commands(RefPtr<Shell>) override { VERIFY_NOT_REACHED(); }
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<JobValue>(m_job))->set_slices(m_slices); }
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virtual ~JobValue();
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virtual bool is_job() const override { return true; }
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JobValue(RefPtr<Job> job)
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: m_job(move(job))
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{
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}
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RefPtr<Job> const job() const { return m_job; }
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private:
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RefPtr<Job> m_job;
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};
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class ListValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> resolve_without_cast(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<ListValue>(m_contained_values))->set_slices(m_slices); }
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virtual ~ListValue();
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virtual bool is_list() const override { return true; }
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virtual bool is_list_without_resolution() const override { return true; }
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ListValue(Vector<String> values);
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ListValue(Vector<NonnullRefPtr<Value>> values)
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: m_contained_values(move(values))
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{
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}
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Vector<NonnullRefPtr<Value>> const& values() const { return m_contained_values; }
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Vector<NonnullRefPtr<Value>>& values() { return m_contained_values; }
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private:
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Vector<NonnullRefPtr<Value>> m_contained_values;
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};
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class StringValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell> shell) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<StringValue>(m_string, m_split, m_keep_empty))->set_slices(m_slices); }
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virtual ~StringValue();
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virtual bool is_string() const override { return m_split.is_empty(); }
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virtual bool is_list() const override { return !m_split.is_empty(); }
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ErrorOr<NonnullRefPtr<Value>> resolve_without_cast(RefPtr<Shell>) override;
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StringValue(String string, String split_by = {}, bool keep_empty = false)
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: m_string(move(string))
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, m_split(move(split_by))
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, m_keep_empty(keep_empty)
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{
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}
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private:
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String m_string;
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String m_split;
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bool m_keep_empty { false };
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};
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class GlobValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<GlobValue>(m_glob, m_generation_position))->set_slices(m_slices); }
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virtual ~GlobValue();
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virtual bool is_glob() const override { return true; }
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GlobValue(String glob, Position position)
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: m_glob(move(glob))
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, m_generation_position(move(position))
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{
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}
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private:
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String m_glob;
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Position m_generation_position;
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};
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class SimpleVariableValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> resolve_without_cast(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<SimpleVariableValue>(m_name))->set_slices(m_slices); }
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virtual ~SimpleVariableValue();
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SimpleVariableValue(String name)
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: m_name(move(name))
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{
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}
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private:
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String m_name;
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};
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class SpecialVariableValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> resolve_without_cast(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<SpecialVariableValue>(m_name))->set_slices(m_slices); }
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virtual ~SpecialVariableValue();
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SpecialVariableValue(char name)
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: m_name(name)
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{
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}
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private:
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char m_name { 0 };
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};
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class TildeValue final : public Value {
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public:
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virtual ErrorOr<Vector<String>> resolve_as_list(RefPtr<Shell>) override;
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virtual ErrorOr<String> resolve_as_string(RefPtr<Shell>) override;
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virtual ErrorOr<NonnullRefPtr<Value>> clone() const override { return TRY(try_make_ref_counted<TildeValue>(m_username))->set_slices(m_slices); }
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virtual ~TildeValue();
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virtual bool is_string() const override { return true; }
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TildeValue(String name)
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: m_username(move(name))
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{
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}
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private:
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String m_username;
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};
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class Node : public RefCounted<Node> {
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AK_MAKE_NONCOPYABLE(Node);
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AK_MAKE_NONMOVABLE(Node);
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public:
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virtual ErrorOr<void> dump(int level) const = 0;
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virtual ErrorOr<void> for_each_entry(RefPtr<Shell> shell, Function<ErrorOr<IterationDecision>(NonnullRefPtr<Value>)> callback);
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virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) = 0;
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virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) = 0;
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virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const;
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ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell& shell, size_t offset);
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virtual HitTestResult hit_test_position(size_t offset) const
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{
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if (m_position.contains(offset))
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return { this, nullptr, nullptr };
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return { nullptr, nullptr, nullptr };
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}
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virtual StringView class_name() const { return "Node"sv; }
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Node(Position);
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virtual ~Node() = default;
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virtual bool is_bareword() const { return false; }
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virtual bool is_command() const { return false; }
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virtual bool is_execute() const { return false; }
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virtual bool is_glob() const { return false; }
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virtual bool is_tilde() const { return false; }
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virtual bool is_variable_decls() const { return false; }
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virtual bool is_simple_variable() const { return false; }
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virtual bool is_syntax_error() const;
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virtual bool is_list() const { return false; }
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virtual bool would_execute() const { return false; }
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virtual bool should_override_execution_in_current_process() const { return false; }
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Position const& position() const { return m_position; }
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Position& position() { return m_position; }
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virtual void clear_syntax_error();
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virtual void set_is_syntax_error(SyntaxError& error_node);
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virtual SyntaxError& syntax_error_node()
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{
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VERIFY(is_syntax_error());
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return *m_syntax_error_node;
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}
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virtual RefPtr<Node const> leftmost_trivial_literal() const { return nullptr; }
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ErrorOr<Vector<Command>> to_lazy_evaluated_commands(RefPtr<Shell> shell);
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virtual void visit(NodeVisitor&) { VERIFY_NOT_REACHED(); }
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virtual void visit(NodeVisitor& visitor) const { const_cast<Node*>(this)->visit(visitor); }
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enum class Kind : u32 {
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And,
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Background,
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BarewordLiteral,
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BraceExpansion,
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CastToCommand,
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CastToList,
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CloseFdRedirection,
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CommandLiteral,
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Comment,
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ContinuationControl,
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DoubleQuotedString,
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DynamicEvaluate,
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Execute,
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Fd2FdRedirection,
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ForLoop,
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FunctionDeclaration,
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Glob,
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Heredoc,
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HistoryEvent,
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IfCond,
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ImmediateExpression,
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Join,
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Juxtaposition,
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ListConcatenate,
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MatchExpr,
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Or,
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Pipe,
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Range,
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ReadRedirection,
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ReadWriteRedirection,
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Sequence,
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Slice,
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SimpleVariable,
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SpecialVariable,
|
|
StringLiteral,
|
|
StringPartCompose,
|
|
Subshell,
|
|
SyntaxError,
|
|
SyntheticValue,
|
|
Tilde,
|
|
VariableDeclarations,
|
|
WriteAppendRedirection,
|
|
WriteRedirection,
|
|
__Count,
|
|
};
|
|
|
|
virtual Kind kind() const = 0;
|
|
|
|
protected:
|
|
Position m_position;
|
|
RefPtr<SyntaxError> m_syntax_error_node;
|
|
};
|
|
|
|
#define NODE(name) \
|
|
virtual StringView class_name() const override \
|
|
{ \
|
|
return #name##sv; \
|
|
} \
|
|
virtual Kind kind() const override \
|
|
{ \
|
|
return Kind::name; \
|
|
}
|
|
|
|
class PathRedirectionNode : public Node {
|
|
public:
|
|
PathRedirectionNode(Position, int, NonnullRefPtr<Node>);
|
|
virtual ~PathRedirectionNode();
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t offset) const override;
|
|
virtual bool is_command() const override { return true; }
|
|
virtual bool is_list() const override { return true; }
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& path() const { return m_path; }
|
|
int fd() const { return m_fd; }
|
|
|
|
protected:
|
|
int m_fd { -1 };
|
|
NonnullRefPtr<Node> m_path;
|
|
};
|
|
|
|
class And final : public Node {
|
|
public:
|
|
And(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>, Position and_position);
|
|
virtual ~And() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
Position const& and_position() const { return m_and_position; }
|
|
|
|
private:
|
|
NODE(And);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
Position m_and_position;
|
|
};
|
|
|
|
class ListConcatenate final : public Node {
|
|
public:
|
|
ListConcatenate(Position, Vector<NonnullRefPtr<Node>>);
|
|
virtual ~ListConcatenate() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
Vector<NonnullRefPtr<Node>> const list() const { return m_list; }
|
|
|
|
private:
|
|
NODE(ListConcatenate);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<void> for_each_entry(RefPtr<Shell> shell, Function<ErrorOr<IterationDecision>(NonnullRefPtr<Value>)> callback) override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_list() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override;
|
|
|
|
Vector<NonnullRefPtr<Node>> m_list;
|
|
};
|
|
|
|
class Background final : public Node {
|
|
public:
|
|
Background(Position, NonnullRefPtr<Node>);
|
|
virtual ~Background() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& command() const { return m_command; }
|
|
|
|
private:
|
|
NODE(Background);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
NonnullRefPtr<Node> m_command;
|
|
};
|
|
|
|
class BarewordLiteral final : public Node {
|
|
public:
|
|
BarewordLiteral(Position, String);
|
|
virtual ~BarewordLiteral() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& text() const { return m_text; }
|
|
|
|
private:
|
|
NODE(BarewordLiteral);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual bool is_bareword() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override { return this; }
|
|
|
|
String m_text;
|
|
};
|
|
|
|
class BraceExpansion final : public Node {
|
|
public:
|
|
BraceExpansion(Position, Vector<NonnullRefPtr<Node>>);
|
|
virtual ~BraceExpansion() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Vector<NonnullRefPtr<Node>> const& entries() const { return m_entries; }
|
|
|
|
private:
|
|
NODE(BraceExpansion);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
Vector<NonnullRefPtr<Node>> m_entries;
|
|
};
|
|
|
|
class CastToCommand final : public Node {
|
|
public:
|
|
CastToCommand(Position, NonnullRefPtr<Node>);
|
|
virtual ~CastToCommand() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& inner() const { return m_inner; }
|
|
|
|
private:
|
|
NODE(CastToCommand);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual bool is_command() const override { return true; }
|
|
virtual bool is_list() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override;
|
|
|
|
NonnullRefPtr<Node> m_inner;
|
|
};
|
|
|
|
class CastToList final : public Node {
|
|
public:
|
|
CastToList(Position, RefPtr<Node>);
|
|
virtual ~CastToList() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
RefPtr<Node> const& inner() const { return m_inner; }
|
|
|
|
private:
|
|
NODE(CastToList);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> for_each_entry(RefPtr<Shell> shell, Function<ErrorOr<IterationDecision>(NonnullRefPtr<Value>)> callback) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_list() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override;
|
|
|
|
RefPtr<Node> m_inner;
|
|
};
|
|
|
|
class CloseFdRedirection final : public Node {
|
|
public:
|
|
CloseFdRedirection(Position, int);
|
|
virtual ~CloseFdRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
int fd() const { return m_fd; }
|
|
|
|
private:
|
|
NODE(CloseFdRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual bool is_command() const override { return true; }
|
|
|
|
int m_fd { -1 };
|
|
};
|
|
|
|
class CommandLiteral final : public Node {
|
|
public:
|
|
CommandLiteral(Position, Command);
|
|
virtual ~CommandLiteral();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Command const& command() const { return m_command; }
|
|
|
|
private:
|
|
NODE(CommandLiteral);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override { VERIFY_NOT_REACHED(); }
|
|
virtual bool is_command() const override { return true; }
|
|
virtual bool is_list() const override { return true; }
|
|
|
|
Command m_command;
|
|
};
|
|
|
|
class Comment : public Node {
|
|
public:
|
|
Comment(Position, String);
|
|
virtual ~Comment();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& text() const { return m_text; }
|
|
|
|
private:
|
|
NODE(Comment);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
|
|
String m_text;
|
|
};
|
|
|
|
class ContinuationControl final : public Node {
|
|
public:
|
|
enum ContinuationKind {
|
|
Break,
|
|
Continue,
|
|
};
|
|
ContinuationControl(Position position, ContinuationKind kind)
|
|
: Node(move(position))
|
|
, m_kind(kind)
|
|
{
|
|
}
|
|
virtual ~ContinuationControl() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
ContinuationKind continuation_kind() const { return m_kind; }
|
|
|
|
private:
|
|
NODE(ContinuationControl);
|
|
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
|
|
ContinuationKind m_kind { ContinuationKind::Break };
|
|
};
|
|
|
|
class DynamicEvaluate final : public Node {
|
|
public:
|
|
DynamicEvaluate(Position, NonnullRefPtr<Node>);
|
|
virtual ~DynamicEvaluate();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& inner() const { return m_inner; }
|
|
|
|
private:
|
|
NODE(DynamicEvaluate);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
virtual bool is_bareword() const override { return m_inner->is_bareword(); }
|
|
virtual bool is_command() const override { return is_list(); }
|
|
virtual bool is_execute() const override { return true; }
|
|
virtual bool is_glob() const override { return m_inner->is_glob(); }
|
|
virtual bool is_list() const override
|
|
{
|
|
return m_inner->is_list() || m_inner->is_command() || m_inner->is_glob(); // Anything that generates a list.
|
|
}
|
|
|
|
NonnullRefPtr<Node> m_inner;
|
|
};
|
|
|
|
class DoubleQuotedString final : public Node {
|
|
public:
|
|
DoubleQuotedString(Position, RefPtr<Node>);
|
|
virtual ~DoubleQuotedString();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
RefPtr<Node> const& inner() const { return m_inner; }
|
|
|
|
private:
|
|
NODE(DoubleQuotedString);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
RefPtr<Node> m_inner;
|
|
};
|
|
|
|
class Fd2FdRedirection final : public Node {
|
|
public:
|
|
Fd2FdRedirection(Position, int, int);
|
|
virtual ~Fd2FdRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
int source_fd() const { return m_old_fd; }
|
|
int dest_fd() const { return m_new_fd; }
|
|
|
|
private:
|
|
NODE(Fd2FdRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual bool is_command() const override { return true; }
|
|
|
|
int m_old_fd { -1 };
|
|
int m_new_fd { -1 };
|
|
};
|
|
|
|
class FunctionDeclaration final : public Node {
|
|
public:
|
|
FunctionDeclaration(Position, NameWithPosition name, Vector<NameWithPosition> argument_names, RefPtr<AST::Node> body);
|
|
virtual ~FunctionDeclaration();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NameWithPosition const& name() const { return m_name; }
|
|
Vector<NameWithPosition> const arguments() const { return m_arguments; }
|
|
RefPtr<Node> const& block() const { return m_block; }
|
|
|
|
private:
|
|
NODE(FunctionDeclaration);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual bool would_execute() const override { return true; }
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
|
|
NameWithPosition m_name;
|
|
Vector<NameWithPosition> m_arguments;
|
|
RefPtr<AST::Node> m_block;
|
|
};
|
|
|
|
class ForLoop final : public Node {
|
|
public:
|
|
ForLoop(Position, Optional<NameWithPosition> variable, Optional<NameWithPosition> index_variable, RefPtr<AST::Node> iterated_expr, RefPtr<AST::Node> block, Optional<Position> in_kw_position = {}, Optional<Position> index_kw_position = {});
|
|
virtual ~ForLoop();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Optional<NameWithPosition> const& variable() const { return m_variable; }
|
|
Optional<NameWithPosition> const& index_variable() const { return m_index_variable; }
|
|
RefPtr<Node> const& iterated_expression() const { return m_iterated_expression; }
|
|
RefPtr<Node> const& block() const { return m_block; }
|
|
Optional<Position> const index_keyword_position() const { return m_index_kw_position; }
|
|
Optional<Position> const in_keyword_position() const { return m_in_kw_position; }
|
|
|
|
private:
|
|
NODE(ForLoop);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool would_execute() const override { return true; }
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
|
|
Optional<NameWithPosition> m_variable;
|
|
Optional<NameWithPosition> m_index_variable;
|
|
RefPtr<AST::Node> m_iterated_expression;
|
|
RefPtr<AST::Node> m_block;
|
|
Optional<Position> m_in_kw_position;
|
|
Optional<Position> m_index_kw_position;
|
|
};
|
|
|
|
class Glob final : public Node {
|
|
public:
|
|
Glob(Position, String);
|
|
virtual ~Glob();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& text() const { return m_text; }
|
|
|
|
private:
|
|
NODE(Glob);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual bool is_glob() const override { return true; }
|
|
virtual bool is_list() const override { return true; }
|
|
|
|
String m_text;
|
|
};
|
|
|
|
struct HistorySelector {
|
|
enum EventKind {
|
|
IndexFromStart,
|
|
IndexFromEnd,
|
|
StartingStringLookup,
|
|
ContainingStringLookup,
|
|
};
|
|
enum WordSelectorKind {
|
|
Index,
|
|
Last,
|
|
};
|
|
|
|
struct {
|
|
EventKind kind { IndexFromStart };
|
|
size_t index { 0 };
|
|
Position text_position;
|
|
String text;
|
|
} event;
|
|
|
|
struct WordSelector {
|
|
WordSelectorKind kind { Index };
|
|
size_t selector { 0 };
|
|
Position position;
|
|
RefPtr<AST::SyntaxError> syntax_error_node;
|
|
|
|
size_t resolve(size_t size) const
|
|
{
|
|
if (kind == Index)
|
|
return selector;
|
|
if (kind == Last)
|
|
return size - selector - 1;
|
|
VERIFY_NOT_REACHED();
|
|
}
|
|
};
|
|
struct {
|
|
WordSelector start;
|
|
Optional<WordSelector> end;
|
|
} word_selector_range;
|
|
};
|
|
|
|
class HistoryEvent final : public Node {
|
|
public:
|
|
HistoryEvent(Position, HistorySelector);
|
|
virtual ~HistoryEvent();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
HistorySelector const& selector() const { return m_selector; }
|
|
|
|
private:
|
|
NODE(HistoryEvent);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
|
|
HistorySelector m_selector;
|
|
};
|
|
|
|
class Execute final : public Node {
|
|
public:
|
|
Execute(Position, NonnullRefPtr<Node>, bool capture_stdout = false);
|
|
virtual ~Execute();
|
|
void capture_stdout() { m_capture_stdout = true; }
|
|
NonnullRefPtr<Node>& command() { return m_command; }
|
|
virtual ErrorOr<void> for_each_entry(RefPtr<Shell> shell, Function<ErrorOr<IterationDecision>(NonnullRefPtr<Value>)> callback) override;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& command() const { return m_command; }
|
|
bool does_capture_stdout() const { return m_capture_stdout; }
|
|
|
|
private:
|
|
NODE(Execute);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual bool is_execute() const override { return true; }
|
|
virtual bool would_execute() const override { return true; }
|
|
|
|
NonnullRefPtr<Node> m_command;
|
|
bool m_capture_stdout { false };
|
|
};
|
|
|
|
class IfCond final : public Node {
|
|
public:
|
|
IfCond(Position, Optional<Position> else_position, NonnullRefPtr<AST::Node> cond_expr, RefPtr<AST::Node> true_branch, RefPtr<AST::Node> false_branch);
|
|
virtual ~IfCond();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& condition() const { return m_condition; }
|
|
RefPtr<Node> const& true_branch() const { return m_true_branch; }
|
|
RefPtr<Node> const& false_branch() const { return m_false_branch; }
|
|
RefPtr<Node>& false_branch() { return m_false_branch; }
|
|
Optional<Position> const else_position() const { return m_else_position; }
|
|
|
|
private:
|
|
NODE(IfCond);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
|
|
NonnullRefPtr<AST::Node> m_condition;
|
|
RefPtr<AST::Node> m_true_branch;
|
|
RefPtr<AST::Node> m_false_branch;
|
|
|
|
Optional<Position> m_else_position;
|
|
};
|
|
|
|
class ImmediateExpression final : public Node {
|
|
public:
|
|
ImmediateExpression(Position, NameWithPosition function, Vector<NonnullRefPtr<AST::Node>> arguments, Optional<Position> closing_brace_position);
|
|
virtual ~ImmediateExpression();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Vector<NonnullRefPtr<Node>> const& arguments() const { return m_arguments; }
|
|
auto const& function() const { return m_function; }
|
|
String const& function_name() const { return m_function.name; }
|
|
Position const& function_position() const { return m_function.position; }
|
|
bool has_closing_brace() const { return m_closing_brace_position.has_value(); }
|
|
|
|
private:
|
|
NODE(ImmediateExpression);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
Vector<NonnullRefPtr<AST::Node>> m_arguments;
|
|
NameWithPosition m_function;
|
|
Optional<Position> m_closing_brace_position;
|
|
};
|
|
|
|
class Join final : public Node {
|
|
public:
|
|
Join(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>);
|
|
virtual ~Join();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
|
|
private:
|
|
NODE(Join);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_command() const override { return true; }
|
|
virtual bool is_list() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override;
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
};
|
|
|
|
struct MatchEntry {
|
|
Variant<Vector<NonnullRefPtr<Node>>, Vector<Regex<ECMA262>>> options;
|
|
Optional<Vector<String>> match_names;
|
|
Optional<Position> match_as_position;
|
|
Vector<Position> pipe_positions;
|
|
RefPtr<Node> body;
|
|
};
|
|
|
|
class MatchExpr final : public Node {
|
|
public:
|
|
MatchExpr(Position, NonnullRefPtr<Node> expr, String name, Optional<Position> as_position, Vector<MatchEntry> entries);
|
|
virtual ~MatchExpr();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& matched_expr() const { return m_matched_expr; }
|
|
String const& expr_name() const { return m_expr_name; }
|
|
Vector<MatchEntry> const& entries() const { return m_entries; }
|
|
Optional<Position> const& as_position() const { return m_as_position; }
|
|
|
|
private:
|
|
NODE(MatchExpr);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool would_execute() const override { return true; }
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
|
|
NonnullRefPtr<Node> m_matched_expr;
|
|
String m_expr_name;
|
|
Optional<Position> m_as_position;
|
|
Vector<MatchEntry> m_entries;
|
|
};
|
|
|
|
class Or final : public Node {
|
|
public:
|
|
Or(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>, Position or_position);
|
|
virtual ~Or();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
Position const& or_position() const { return m_or_position; }
|
|
|
|
private:
|
|
NODE(Or);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
Position m_or_position;
|
|
};
|
|
|
|
class Pipe final : public Node {
|
|
public:
|
|
Pipe(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>);
|
|
virtual ~Pipe();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
|
|
private:
|
|
NODE(Pipe);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_command() const override { return true; }
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
};
|
|
|
|
class Range final : public Node {
|
|
public:
|
|
Range(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>);
|
|
virtual ~Range();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& start() const { return m_start; }
|
|
NonnullRefPtr<Node> const& end() const { return m_end; }
|
|
|
|
private:
|
|
NODE(Range);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
NonnullRefPtr<Node> m_start;
|
|
NonnullRefPtr<Node> m_end;
|
|
};
|
|
|
|
class ReadRedirection final : public PathRedirectionNode {
|
|
public:
|
|
ReadRedirection(Position, int, NonnullRefPtr<Node>);
|
|
virtual ~ReadRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
private:
|
|
NODE(ReadRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
};
|
|
|
|
class ReadWriteRedirection final : public PathRedirectionNode {
|
|
public:
|
|
ReadWriteRedirection(Position, int, NonnullRefPtr<Node>);
|
|
virtual ~ReadWriteRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
private:
|
|
NODE(ReadWriteRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
};
|
|
|
|
class Sequence final : public Node {
|
|
public:
|
|
Sequence(Position, Vector<NonnullRefPtr<Node>>, Vector<Position> separator_positions);
|
|
virtual ~Sequence();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Vector<NonnullRefPtr<Node>> const& entries() const { return m_entries; }
|
|
|
|
Vector<Position> const& separator_positions() const { return m_separator_positions; }
|
|
|
|
private:
|
|
NODE(Sequence);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_list() const override { return true; }
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override;
|
|
|
|
Vector<NonnullRefPtr<Node>> m_entries;
|
|
Vector<Position> m_separator_positions;
|
|
};
|
|
|
|
class Subshell final : public Node {
|
|
public:
|
|
Subshell(Position, RefPtr<Node> block);
|
|
virtual ~Subshell();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
RefPtr<Node> const& block() const { return m_block; }
|
|
|
|
private:
|
|
NODE(Subshell);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool would_execute() const override { return false; }
|
|
virtual bool should_override_execution_in_current_process() const override { return true; }
|
|
|
|
RefPtr<AST::Node> m_block;
|
|
};
|
|
|
|
class Slice final : public Node {
|
|
public:
|
|
Slice(Position, NonnullRefPtr<AST::Node>);
|
|
virtual ~Slice() override;
|
|
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<AST::Node> selector() const { return m_selector; }
|
|
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
protected:
|
|
NODE(Slice);
|
|
NonnullRefPtr<AST::Node> m_selector;
|
|
};
|
|
|
|
class VariableNode : public Node {
|
|
public:
|
|
VariableNode(Position position)
|
|
: Node(move(position))
|
|
{
|
|
}
|
|
|
|
void set_slice(NonnullRefPtr<Slice>&& slice)
|
|
{
|
|
VERIFY(!m_slice);
|
|
m_slice = move(slice);
|
|
if (m_slice->is_syntax_error())
|
|
set_is_syntax_error(m_slice->syntax_error_node());
|
|
}
|
|
|
|
Slice const* slice() const { return m_slice.ptr(); }
|
|
|
|
protected:
|
|
RefPtr<Slice> m_slice;
|
|
};
|
|
|
|
class SimpleVariable final : public VariableNode {
|
|
public:
|
|
SimpleVariable(Position, String);
|
|
virtual ~SimpleVariable();
|
|
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
String const& name() const { return m_name; }
|
|
|
|
private:
|
|
NODE(SimpleVariable);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_simple_variable() const override { return true; }
|
|
|
|
String m_name;
|
|
};
|
|
|
|
class SpecialVariable final : public VariableNode {
|
|
public:
|
|
SpecialVariable(Position, char);
|
|
virtual ~SpecialVariable();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
char name() const { return m_name; }
|
|
|
|
private:
|
|
NODE(SpecialVariable);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
char m_name { 0 };
|
|
};
|
|
|
|
class Juxtaposition final : public Node {
|
|
public:
|
|
enum class Mode {
|
|
ListExpand,
|
|
StringExpand,
|
|
};
|
|
Juxtaposition(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>, Mode = Mode::ListExpand);
|
|
virtual ~Juxtaposition();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
|
|
private:
|
|
NODE(Juxtaposition);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
Mode m_mode { Mode::ListExpand };
|
|
};
|
|
|
|
class Heredoc final : public Node {
|
|
public:
|
|
Heredoc(Position, String end, bool allow_interpolation, bool deindent, Optional<int> target_fd = {});
|
|
virtual ~Heredoc();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& end() const { return m_end; }
|
|
bool allow_interpolation() const { return m_allows_interpolation; }
|
|
bool deindent() const { return m_deindent; }
|
|
Optional<int> target_fd() const { return m_target_fd; }
|
|
bool evaluates_to_string() const { return !m_target_fd.has_value(); }
|
|
RefPtr<AST::Node> const& contents() const { return m_contents; }
|
|
void set_contents(RefPtr<AST::Node> contents)
|
|
{
|
|
m_contents = move(contents);
|
|
if (m_contents->is_syntax_error())
|
|
set_is_syntax_error(m_contents->syntax_error_node());
|
|
else if (is_syntax_error())
|
|
clear_syntax_error();
|
|
}
|
|
|
|
private:
|
|
NODE(Heredoc);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override { return this; }
|
|
|
|
String m_end;
|
|
bool m_allows_interpolation { false };
|
|
bool m_deindent { false };
|
|
Optional<int> m_target_fd;
|
|
RefPtr<AST::Node> m_contents;
|
|
};
|
|
|
|
class StringLiteral final : public Node {
|
|
public:
|
|
enum class EnclosureType {
|
|
None,
|
|
SingleQuotes,
|
|
DoubleQuotes,
|
|
};
|
|
|
|
StringLiteral(Position, String, EnclosureType);
|
|
virtual ~StringLiteral();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& text() const { return m_text; }
|
|
EnclosureType enclosure_type() const { return m_enclosure_type; }
|
|
|
|
private:
|
|
NODE(StringLiteral);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual RefPtr<Node const> leftmost_trivial_literal() const override { return this; }
|
|
|
|
String m_text;
|
|
EnclosureType m_enclosure_type;
|
|
};
|
|
|
|
class StringPartCompose final : public Node {
|
|
public:
|
|
StringPartCompose(Position, NonnullRefPtr<Node>, NonnullRefPtr<Node>);
|
|
virtual ~StringPartCompose();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
NonnullRefPtr<Node> const& left() const { return m_left; }
|
|
NonnullRefPtr<Node> const& right() const { return m_right; }
|
|
|
|
private:
|
|
NODE(StringPartCompose);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
|
|
NonnullRefPtr<Node> m_left;
|
|
NonnullRefPtr<Node> m_right;
|
|
};
|
|
|
|
class SyntaxError final : public Node {
|
|
public:
|
|
SyntaxError(Position, String, bool is_continuable = false);
|
|
virtual ~SyntaxError();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String const& error_text() const { return m_syntax_error_text; }
|
|
bool is_continuable() const { return m_is_continuable; }
|
|
|
|
virtual void clear_syntax_error() override
|
|
{
|
|
m_is_cleared = true;
|
|
}
|
|
virtual void set_is_syntax_error(SyntaxError& error) override
|
|
{
|
|
m_position = error.position();
|
|
m_is_cleared = error.m_is_cleared;
|
|
m_is_continuable = error.m_is_continuable;
|
|
m_syntax_error_text = error.error_text();
|
|
}
|
|
|
|
virtual bool is_syntax_error() const override { return !m_is_cleared; }
|
|
|
|
private:
|
|
NODE(SyntaxError);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override { return { nullptr, nullptr, nullptr }; }
|
|
virtual SyntaxError& syntax_error_node() override;
|
|
|
|
String m_syntax_error_text;
|
|
bool m_is_continuable { false };
|
|
bool m_is_cleared { false };
|
|
};
|
|
|
|
class SyntheticNode final : public Node {
|
|
public:
|
|
SyntheticNode(Position, NonnullRefPtr<Value>);
|
|
virtual ~SyntheticNode() = default;
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Value const& value() const { return m_value; }
|
|
|
|
private:
|
|
NODE(SyntheticValue);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
|
|
NonnullRefPtr<Value> m_value;
|
|
};
|
|
|
|
class Tilde final : public Node {
|
|
public:
|
|
Tilde(Position, String);
|
|
virtual ~Tilde();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
String text() const;
|
|
|
|
private:
|
|
NODE(Tilde);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual ErrorOr<Vector<Line::CompletionSuggestion>> complete_for_editor(Shell&, size_t, HitTestResult const&) const override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_tilde() const override { return true; }
|
|
|
|
String m_username;
|
|
};
|
|
|
|
class VariableDeclarations final : public Node {
|
|
public:
|
|
struct Variable {
|
|
NonnullRefPtr<Node> name;
|
|
NonnullRefPtr<Node> value;
|
|
};
|
|
VariableDeclarations(Position, Vector<Variable> variables);
|
|
virtual ~VariableDeclarations();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
Vector<Variable> const& variables() const { return m_variables; }
|
|
|
|
private:
|
|
NODE(VariableDeclarations);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
virtual ErrorOr<void> highlight_in_editor(Line::Editor&, Shell&, HighlightMetadata = {}) override;
|
|
virtual HitTestResult hit_test_position(size_t) const override;
|
|
virtual bool is_variable_decls() const override { return true; }
|
|
|
|
Vector<Variable> m_variables;
|
|
};
|
|
|
|
class WriteAppendRedirection final : public PathRedirectionNode {
|
|
public:
|
|
WriteAppendRedirection(Position, int, NonnullRefPtr<Node>);
|
|
virtual ~WriteAppendRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
private:
|
|
NODE(WriteAppendRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
};
|
|
|
|
class WriteRedirection final : public PathRedirectionNode {
|
|
public:
|
|
WriteRedirection(Position, int, NonnullRefPtr<Node>);
|
|
virtual ~WriteRedirection();
|
|
virtual void visit(NodeVisitor& visitor) override { visitor.visit(this); }
|
|
|
|
private:
|
|
NODE(WriteRedirection);
|
|
virtual ErrorOr<void> dump(int level) const override;
|
|
virtual ErrorOr<RefPtr<Value>> run(RefPtr<Shell>) override;
|
|
};
|
|
|
|
}
|
|
|
|
namespace AK {
|
|
|
|
template<>
|
|
struct Formatter<Shell::AST::Command> : StandardFormatter {
|
|
Formatter() = default;
|
|
explicit Formatter(StandardFormatter formatter)
|
|
: StandardFormatter(formatter)
|
|
{
|
|
}
|
|
|
|
ErrorOr<void> format(FormatBuilder&, Shell::AST::Command const& value);
|
|
};
|
|
|
|
}
|