wash
edfb3e24a3
bshell: the front-end binary bshell.runtime: contains the parser, compiler, and classes needed to run bshell scripts bshell.core: contains the builtin commandlets and aliases
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#include <bshell/ast.h>
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static enum bshell_status collect_children(
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struct bshell_ast_node *node,
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struct bshell_ast_iterator *it)
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{
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struct bshell_redirection_ast_node *redirection
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= (struct bshell_redirection_ast_node *)node;
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if (redirection->n_out_path_expr) {
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bshell_ast_iterator_enqueue(it, redirection->n_out_path_expr);
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}
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return BSHELL_SUCCESS;
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}
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static void to_string(const struct bshell_ast_node *node, fx_bstr *out)
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{
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struct bshell_redirection_ast_node *redirection
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= (struct bshell_redirection_ast_node *)node;
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fx_bstr_write_fmt(out, NULL, "&%u", redirection->n_in);
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if (redirection->n_append) {
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fx_bstr_write_fmt(out, NULL, " >>");
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} else {
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fx_bstr_write_fmt(out, NULL, " >");
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}
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if (redirection->n_out_is_fd) {
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fx_bstr_write_fmt(out, NULL, " &");
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} else {
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fx_bstr_write_fmt(out, NULL, " ");
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}
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if (redirection->n_out_is_expr) {
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fx_bstr_write_fmt(out, NULL, "<expr>");
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} else if (redirection->n_out_path) {
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fx_bstr_write_fmt(out, NULL, "'%s'", redirection->n_out_path);
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} else {
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fx_bstr_write_fmt(out, NULL, "%u", redirection->n_out);
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}
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}
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struct bshell_ast_node_definition redirection_bshell_ast_node = {
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.def_id = BSHELL_AST_REDIRECTION,
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.def_node_size = sizeof(struct bshell_redirection_ast_node),
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.def_collect_children = collect_children,
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.def_to_string = to_string,
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};
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