Add a term parser.

1 files changed, 27 insertions, 0 deletions

diff --git a/dat.h b/dat.h
index d6a72bb..7c7c0a9 100644
--- a/dat.h
+++ b/dat.h
@@ -1 +1,28 @@
+typedef struct Term Term;
+struct Term
+{
+	int tag;
+
+	Rune *text;
+	int arity;
+	Term *next;
+	Term *children;
+	int numbertype;
+	vlong ival;
+	double dval;
+};
+
+enum {
+	CompoundTerm,
+	AtomTerm,
+	VariableTerm,
+	NumberTerm,
+	StringTerm,
+};
+
+enum {
+	NumberInt,
+	NumberFloat,
+};
+
 int debug;
\ No newline at end of file