#ifndef GRAPHVIZ_H_
# define GRAPHVIZ_H_
-/// Begin a Dot graph.
-/// \param fout output stream.
+# include "state.h"
+
+/** Begin a Dot graph.
+ *
+ * \param fout output stream.
+ */
void start_graph (FILE *fout);
-/// Output a Dot node.
-/// \param id identifier of the node
-/// \param label human readable label of the node (no Dot escaping needed).
-/// \param fout output stream.
+/** Output a Dot node.
+ *
+ * \param id identifier of the node
+ * \param label human readable label of the node (no Dot escaping needed).
+ * \param fout output stream.
+ */
void output_node (int id, char const *label, FILE *fout);
-/// Output a Dot edge.
-/// \param source id of the source node
-/// \param destination id of the target node
-/// \param label human readable label of the edge
-/// (no Dot escaping needed). Can be 0.
-/// \param style Dot style of the edge (e.g., "dotted" or "solid").
-/// \param fout output stream.
+/** Output a Dot edge.
+ * \param source id of the source node
+ * \param destination id of the target node
+ * \param label human readable label of the edge
+ * (no Dot escaping needed). Can be 0.
+ * \param style Dot style of the edge (e.g., "dotted" or "solid").
+ * \param fout output stream.
+ */
void output_edge (int source, int destination, char const *label,
char const *style, FILE *fout);
-/// End a Dot graph.
-/// \param fout output stream.
+/** Output a reduction.
+ * \param s current state
+ * \param reds the set of reductions
+ * \param fout output stream.
+ */
+void output_red (state const *s, reductions const *reds, FILE *fout);
+
+/** End a Dot graph.
+ *
+ * \param fout output stream.
+ */
void finish_graph (FILE *fout);
+/** Escape a lookahead token.
+ *
+ * \param name the token.
+ */
+char const *escape (char const *name);
+
#endif /* ! GRAPHVIZ_H_ */