start work on exec
This commit is contained in:
Maieul BOYER
parent
5c7b8cde0d
commit
aafd056f49
1 changed files with 113 additions and 17 deletions
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@ -6,7 +6,7 @@
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/07/11 17:22:29 by maiboyer #+# #+# */
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/* Updated: 2024/07/14 10:38:32 by maiboyer ### ########.fr */
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/* Updated: 2024/07/15 18:40:19 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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@ -18,6 +18,15 @@
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#include <stdio.h>
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#pragma clang diagnostic ignored "-Wunused-parameter"
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#pragma clang diagnostic ignored "-Wunused-variable"
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typedef struct s_expansion_result t_expansion_result;
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struct s_expansion_result
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{
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bool exists;
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t_str str;
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};
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#define NOT_DONE \
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{ \
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@ -31,21 +40,26 @@ bool _is_special_var(t_ast_expansion *self)
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{
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char name;
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if (self == NULL)
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return (true);
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if (self->var_name == NULL)
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return (true);
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if (str_len(self->var_name) != 1)
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return (false);
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name = self->var_name[0];
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if (name == '*' || name == '@' || name == '?' || name == '!' || name == '#' || name == '-' || name == '$' || name == '0' || name == '_')
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if (name == '*' || name == '@' || name == '?' || name == '!' || name == '#' || name == '-' || name == '$' || name == '0')
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return (true);
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return (false);
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}
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t_str *_run_expansion_special_var(t_ast_expansion *expansion, t_state *state, t_str *storage)
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t_error _run_expansion_special_var(t_ast_expansion *self, t_state *state, t_expansion_result *out)
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{
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char name;
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name = expansion->var_name[0];
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if (self == NULL || state == NULL || out == NULL)
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return (ERROR);
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name = self->var_name[0];
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*out = (t_expansion_result){.exists = false, .str = NULL};
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if (name == '*')
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; // return all args exept argv[0]
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if (name == '@')
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@ -55,18 +69,98 @@ t_str *_run_expansion_special_var(t_ast_expansion *expansion, t_state *state, t_
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if (name == '!')
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; // return pid of last run program
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if (name == '#')
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; // return argc -1 bc we don't care about argv[0]
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; // return `argc - 1` bc we don't care about argv[0]
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if (name == '$')
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; // return pid of self (the shell)
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if (name == '-')
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; // return the option string <ask maiboyer>
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return (NULL);
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printf("PLEASE MAKE SURE TO FINISH THE SPECIAL VAR HANDLING !");
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return (ERROR);
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}
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t_error _get_expansion_value(t_ast_expansion *self, t_state *state, t_expansion_result *out)
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{
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t_str *hmap_ret;
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t_expansion_result ret;
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if (self == NULL || state == NULL || out == NULL)
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return (ERROR);
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hmap_ret = hmap_env_get(state->env, &self->var_name);
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ret = (t_expansion_result){.exists = hmap_ret == NULL, .str = NULL};
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if (ret.exists)
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ret.str = str_clone(*hmap_ret);
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*out = ret;
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return (NO_ERROR);
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}
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t_error _handle_no_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_len_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_assign_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_assign_colon_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_alternate_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_alternate_colon_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_default_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_default_colon_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_error_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_error_colon_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_suffix_pattern_smallest_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_suffix_pattern_longest_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_prefix_pattern_smallest_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _handle_prefix_pattern_longest_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out) NOT_DONE;
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t_error _get_op_func(t_ast_expansion *self, t_error (**op_func)())
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{
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if (self == NULL || op_func == NULL)
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return (ERROR);
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if (self->kind == E_OP_NONE)
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return (*op_func = _handle_no_operator, NO_ERROR);
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if (self->kind == E_OP_ERROR)
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return (*op_func = _handle_error_operator, NO_ERROR);
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if (self->kind == E_OP_ERROR_COLON)
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return (*op_func = _handle_error_colon_operator, NO_ERROR);
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if (self->kind == E_OP_ASSIGN_DEFAULT)
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return (*op_func = _handle_assign_operator, NO_ERROR);
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if (self->kind == E_OP_ASSIGN_DEFAULT_COLON)
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return (*op_func = _handle_assign_colon_operator, NO_ERROR);
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if (self->kind == E_OP_DEFAULT)
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return (*op_func = _handle_default_operator, NO_ERROR);
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if (self->kind == E_OP_DEFAULT_COLON)
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return (*op_func = _handle_default_colon_operator, NO_ERROR);
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if (self->kind == E_OP_ALTERNATE)
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return (*op_func = _handle_alternate_operator, NO_ERROR);
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if (self->kind == E_OP_ALTERNATE_COLON)
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return (*op_func = _handle_alternate_colon_operator, NO_ERROR);
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if (self->kind == E_OP_LARGEST_PREFIX)
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return (*op_func = _handle_prefix_pattern_smallest_operator, NO_ERROR);
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if (self->kind == E_OP_SMALLEST_PREFIX)
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return (*op_func = _handle_prefix_pattern_smallest_operator, NO_ERROR);
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if (self->kind == E_OP_LARGEST_SUFFIX)
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return (*op_func = _handle_suffix_pattern_smallest_operator, NO_ERROR);
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if (self->kind == E_OP_SMALLEST_SUFFIX)
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return (*op_func = _handle_suffix_pattern_longest_operator, NO_ERROR);
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return (ERROR);
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}
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t_error _handle_expansion_operator(t_ast_expansion *self, t_state *state, t_expansion_result *out)
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{
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t_str value;
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t_error (*op_func)();
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if (self == NULL || state == NULL || out == NULL)
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return (ERROR);
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if (_get_op_func(self, &op_func))
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return (ERROR);
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return (ERROR);
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}
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// End Internals funcs
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t_error run_command(t_ast_command *command, t_state *state, void *out) NOT_DONE;
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t_error run_expansion(t_ast_expansion *self, t_state *state, t_expansion_result *out);
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t_error run_expansion(t_ast_expansion *expansion, t_state *state, t_str **out) NOT_DONE;
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t_error run_command(t_ast_command *command, t_state *state, void *out) NOT_DONE;
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t_error run_arithmetic_expansion(t_ast_arithmetic_expansion *arithmetic_expansion, t_state *state, void *out) NOT_DONE;
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t_error run_case_(t_ast_case *case_, t_state *state, void *out) NOT_DONE;
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t_error run_case_item(t_ast_case_item *case_item, t_state *state, void *out) NOT_DONE;
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@ -96,25 +190,27 @@ t_error run_word(t_ast_word *word, t_state *state, void *out) NOT_DONE;
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// t_error run_command(t_ast_command *command, t_state *state, void *out) {}
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/*
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/// this functons returns different things depending on the operator and/or the state of the shell
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/// NULL != empty string for example
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t_error run_expansion(t_ast_expansion *expansion, t_state *state, t_str **out)
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t_error run_expansion(t_ast_expansion *self, t_state *state, t_expansion_result *out)
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{
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t_str backing_storage;
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t_str *env_var;
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t_expansion_result ret;
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if (_is_special_var(expansion))
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if (_is_special_var(self))
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{
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backing_storage = _run_expansion_special_var(expansion, state);
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env_var = &backing_storage;
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if (_run_expansion_special_var(self, state, &ret))
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return (ERROR);
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}
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else
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env_var = hmap_env_get(state->env, &expansion->var_name);
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{
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if (_get_expansion_value(self, state, &ret))
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return (ERROR);
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}
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if (_handle_expansion_operator(self, state, &ret))
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return (ERROR);
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return (ERROR);
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}
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*/
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// FUNCTIONS
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