1 files changed, 65 insertions, 0 deletions
diff --git a/lib/grammar_sandbox.h b/lib/grammar_sandbox.h
new file mode 100644
index 0000000000..6e61ce1b46
--- /dev/null
+++ b/lib/grammar_sandbox.h
@@ -0,0 +1,65 @@
+#ifndef _GRAMMAR_SANDBOX_H
+#define _GRAMMAR_SANDBOX_H
+
+/**
+ * Houses functionality for testing shim as well as code that should go into
+ * command.h and command.c during integration.
+ */
+#include "memory.h"
+
+#define CMD_CR_TEXT "<cr>"
+
+void
+grammar_sandbox_init (void);
+
+/**
+ * Types for tokens.
+ *
+ * The type determines what kind of data the token can match (in the
+ * matching use case) or hold (in the argv use case).
+ */
+enum cmd_token_type_t
+{
+  WORD_TKN,         // words
+  NUMBER_TKN,       // integral numbers
+  VARIABLE_TKN,     // almost anything
+  RANGE_TKN,        // integer range
+  IPV4_TKN,         // IPV4 addresses
+  IPV4_PREFIX_TKN,  // IPV4 network prefixes
+  IPV6_TKN,         // IPV6 prefixes
+  IPV6_PREFIX_TKN,  // IPV6 network prefixes
+
+  /* plumbing types */
+  SELECTOR_TKN,     // marks beginning of selector
+  OPTION_TKN,       // marks beginning of option
+  NUL_TKN,          // dummy token
+  START_TKN,        // first token in line
+  END_TKN,          // last token in line
+};
+
+/**
+ * Token struct.
+ */
+struct cmd_token_t
+{
+  enum cmd_token_type_t type;   // token type
+
+  char *text;                   // token text
+  char *desc;                   // token description
+
+  long long value;              // for numeric types
+  long long min, max;           // for ranges
+
+  char *arg;                    // user input that matches this token
+};
+
+struct cmd_token_t *
+new_cmd_token (enum cmd_token_type_t, char *, char *);
+
+void
+del_cmd_token (struct cmd_token_t *);
+
+struct cmd_token_t *
+copy_cmd_token (struct cmd_token_t *);
+
+#endif /* _GRAMMAR_SANDBOX_H */