69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
#pragma once
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#include <memory>
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#include <optional>
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#include <stdexcept>
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#include "ast/ast_base.hpp"
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#include "ast/ast_component.hpp"
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#include "ast/ast_token.hpp"
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#include "lexer.hpp"
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#include "util/text.hpp"
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namespace fsh {
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class CommandNode : public ExecutableNode {
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using ArgumentVec = std::vector<std::shared_ptr<CommandArgumentNode> >;
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public:
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static std::shared_ptr<CommandNode> build(std::list<Token>::iterator& it);
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virtual void print(int indent) override;
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virtual void execute(std::istream& in, std::ostream& out) override;
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protected:
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CommandNode(TokenNode<TokenType::WORD>::shared cmd_name,
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TokenNode<TokenType::FLAG>::shared flag,
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ArgumentVec args,
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std::shared_ptr<RedirectsNode> redirects) :
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ExecutableNode(NodeType::COMMAND, "CommandNode"), cmd_name(cmd_name->gvalue()), flag(util::mk_optional(flag)),
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redirects(redirects), args(args) {}
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private:
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std::string cmd_name;
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std::optional<std::string> flag;
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std::shared_ptr<RedirectsNode> redirects;
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ArgumentVec args;
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};
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class PipeLineNode : public ExecutableNode {
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public:
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static std::shared_ptr<PipeLineNode> build(std::list<Token>::iterator& it);
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virtual void print(int indent) override;
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virtual void execute(std::istream& in, std::ostream& out) override;
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protected:
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PipeLineNode(std::shared_ptr<CommandNode> l, std::shared_ptr<ExecutableNode> r) :
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ExecutableNode(NodeType::PIPELINE_COMMAND, "PipeLine"), l_command(l), r_command(r) {}
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private:
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std::shared_ptr<ExecutableNode> l_command;
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std::shared_ptr<ExecutableNode> r_command;
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};
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class CommandLineNode : public ExecutableNode {
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public:
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static std::shared_ptr<CommandLineNode> build(std::list<Token>::iterator& it);
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virtual void print(int indent) override;
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virtual void execute(std::istream& in, std::ostream& out) override;
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protected:
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CommandLineNode(std::shared_ptr<ExecutableNode> command, std::shared_ptr<ExecutableNode> pipe = nullptr) :
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ExecutableNode(NodeType::COMMAND_LINE, "CommandLine"), command(command), pipe(pipe) {}
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private:
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std::shared_ptr<ExecutableNode> command;
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std::shared_ptr<ExecutableNode> pipe;
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};
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} // namespace fsh
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