added writePGF

src/runtime/c/pgf/writer.h

@@ -0,0 +1,56 @@
+#ifndef WRITER_H
+#define WRITER_H
+
+class PGF_INTERNAL_DECL PgfWriter
+{
+public:
+    PgfWriter(FILE *out, const char *filepath);
+
+    void write_uint8(uint8_t b);
+    void write_u16be(uint16_t u);
+    void write_u64be(uint64_t u);
+    void write_double(double d);
+    void write_uint(uint64_t u);
+    void write_int(int64_t i) { write_uint((uint64_t) i); };
+    void write_len(size_t len) { write_uint((uint64_t) len); };
+
+    void write_tag(uint8_t t) { write_uint8(t); }
+
+    void write_name(PgfText *text);
+    void write_text(PgfText *text);
+
+    template<class V>
+    void write_namespace(Namespace<V> nmsp, void (PgfWriter::*write_value)(ref<V>));
+
+    template<class V>
+    void write_vector(ref<PgfVector<V>> vec, void (PgfWriter::*write_value)(ref<V> val));
+
+    void write_literal(PgfLiteral literal);
+    void write_expr(PgfExpr expr);
+    void write_expr(ref<PgfExpr> r) { write_expr(*r); };
+
+    void write_hypo(ref<PgfHypo> hypo);
+    void write_type(ref<PgfDTyp> ty);
+
+    void write_patt(PgfPatt patt);
+    void write_patt(ref<PgfPatt> r) { write_patt(*r); };
+    void write_defn(ref<ref<PgfEquation>> r);
+
+    void write_flag(ref<PgfFlag> flag);
+
+    void write_absfun(ref<PgfAbsFun> absfun);
+    void write_abscat(ref<PgfAbsCat> abscat);
+    void write_abstract(ref<PgfAbstr> abstract);
+
+    void write_pgf(ref<PgfPGF> pgf);
+
+private:
+    template<class V>
+    void write_namespace_helper(Namespace<V> nmsp, void (PgfWriter::*write_value)(ref<V>));
+
+    FILE *out;
+    const char* filepath;
+    ref<PgfAbstr> abstract;
+};
+
+#endif