#ifndef MACROS_H
#define MACROS_H
+struct sink;
+
/** @brief One node in a macro expansion parse tree */
struct mx_node {
/** @brief Next element or NULL at end of list */
int line;
/** @brief Plain text (if @p type is @ref MX_TEXT) */
- char *text;
+ const char *text;
/** @brief Expansion name (if @p type is @ref MX_EXPANSION) */
- char *name;
+ const char *name;
/** @brief Argument count (if @p type is @ref MX_EXPANSION) */
int nargs;
int line,
const char *input,
const char *end);
+char *mx_dump(const struct mx_node *m);
+
+
+/** @brief Callback for simple expansions
+ * @param nargs Number of arguments
+ * @param args Pointer to array of arguments
+ * @param output Where to send output
+ * @param u User data
+ * @return 0 on success, non-zero on error
+ */
+typedef int mx_simple_callback(int nargs,
+ char **args,
+ struct sink *output,
+ void *u);
+
+/** @brief Callback for magic expansions
+ * @param nargs Number of arguments
+ * @param args Pointer to array of arguments
+ * @param output Where to send output
+ * @param u User data
+ * @return 0 on success, non-zero on error
+ */
+typedef int mx_magic_callback(int nargs,
+ const struct mx_node **args,
+ struct sink *output,
+ void *u);
+
+void mx_register(const char *name,
+ int min,
+ int max,
+ mx_simple_callback *callback);
+void mx_register_magic(const char *name,
+ int min,
+ int max,
+ mx_magic_callback *callback);
+int mx_register_macro(const char *name,
+ int nargs,
+ char **args,
+ const struct mx_node *definition);
+
+void mx_register_builtin(void);
+void mx_search_path(const char *s);
+char *mx_find(const char *name);
+
+int mx_expand_file(const char *path,
+ struct sink *output,
+ void *u);
+int mx_expand(const struct mx_node *m,
+ struct sink *output,
+ void *u);
+int mx_expandstr(const struct mx_node *m,
+ char **sp,
+ void *u,
+ const char *what);
+const struct mx_node *mx_rewrite(const struct mx_node *definition,
+ hash *h);
+const struct mx_node *mx_rewritel(const struct mx_node *m,
+ ...);
+
+int mx_str2bool(const char *s);
+const char *mx_bool2str(int n);
+int mx_bool_result(struct sink *output, int result);
#endif /* MACROS_H */