exec.h


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#pragma once

#include "utils.h"
#include "preproc.h"


typedef struct {
    int old_fd;
    int new_fd;
} FdRedirect;

DECLARE_VEC(FdRedirect, FdRedirectVec)

typedef struct {
    char** args;
    FdRedirectVec redirs;
    int stdin_fd;
    int stdout_fd;
    IntVec child_close_fds;
    IntVec parent_close_fds;
} ExecutableCommand;


typedef struct {
    KeyValMap aliases;
    KeyValMap shell_vars;
} ShellState;

void process_input_line(char* line, ShellState* shstate);