1 files changed, 102 insertions, 0 deletions
diff --git a/src/eval.h b/src/eval.h
new file mode 100644
index 0000000..4dd7996
--- /dev/null
+++ b/src/eval.h
@@ -0,0 +1,102 @@
+// Copyright © Tavian Barnes <tavianator@tavianator.com>
+// SPDX-License-Identifier: 0BSD
+
+/**
+ * The evaluation functions that implement primary expressions like -name,
+ * -print, etc.
+ */
+
+#ifndef BFS_EVAL_H
+#define BFS_EVAL_H
+
+#include "prelude.h"
+
+struct bfs_ctx;
+struct bfs_expr;
+
+/**
+ * Ephemeral state for evaluating an expression.
+ */
+struct bfs_eval;
+
+/**
+ * Expression evaluation function.
+ *
+ * @param expr
+ *         The current expression.
+ * @param state
+ *         The current evaluation state.
+ * @return
+ *         The result of the test.
+ */
+typedef bool bfs_eval_fn(const struct bfs_expr *expr, struct bfs_eval *state);
+
+/**
+ * Evaluate the command line.
+ *
+ * @param ctx
+ *         The bfs context to evaluate.
+ * @return
+ *         EXIT_SUCCESS on success, otherwise on failure.
+ */
+int bfs_eval(struct bfs_ctx *ctx);
+
+// Predicate evaluation functions
+
+bool eval_true(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_false(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_access(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_acl(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_capable(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_context(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_perm(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_xattr(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_xattrname(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_newer(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_time(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_used(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_gid(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_uid(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_nogroup(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_nouser(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_depth(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_empty(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_flags(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fstype(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_hidden(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_inum(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_links(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_samefile(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_size(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_sparse(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_type(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_xtype(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_lname(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_name(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_path(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_regex(const struct bfs_expr *expr, struct bfs_eval *state);
+
+bool eval_delete(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_exec(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_exit(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fls(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fprint(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fprint0(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fprintf(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_fprintx(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_limit(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_prune(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_quit(const struct bfs_expr *expr, struct bfs_eval *state);
+
+// Operator evaluation functions
+bool eval_not(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_and(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_or(const struct bfs_expr *expr, struct bfs_eval *state);
+bool eval_comma(const struct bfs_expr *expr, struct bfs_eval *state);
+
+#endif // BFS_EVAL_H