decompose pip_cmg

add serialization/pijsonserialization.h for JSON de/serialization add -J flag for pip_cmg to make JSON serialization methods not finished yet, but basically workable now
2025-08-02 18:48:38 +03:00
parent 19daab173c
commit cf25cacc17
19 changed files with 1348 additions and 475 deletions
--- a/utils/code_model_generator/json.cpp
+++ b/utils/code_model_generator/json.cpp
@@ -0,0 +1,125 @@
+/*
+    PIP - Platform Independent Primitives
+    Code model generator
+    Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "json.h"
+
+#include "pitranslator.h"
+
+
+bool writeClassJSONMembersOut(Runtime & rt, const PICodeParser::Entity * e) {
+	PIVector<PICodeParser::Member> ml;
+	for (const PICodeParser::Member & m: e->members) {
+		if (m.is_type_ptr || (m.visibility != PICodeParser::Public)) continue;
+		ml << m;
+	}
+	bool is_union = e->type == "union";
+	for (const PICodeParser::Member & m: ml) {
+		if (is_union && m.isBitfield()) continue;
+		if (m.attributes[PICodeParser::Static]) continue;
+		if (m.meta.value("id") == "-") continue;
+		// if (m.meta.contains("id")) cnt = m.meta.value("id").toInt();
+		if (m.dims.isEmpty()) {
+			rt.ts << "\tret[\"" << m.name << "\"] = piSerializeJSON(v." << m.name << ");\n";
+		} else {
+			PIString ptype = m.type.left(m.type.find('[')).trim();
+			PIString size  = m.dims[0];
+			for (int i = 1; i < m.dims.size_s(); ++i) {
+				size += " * ";
+				size += m.dims[i];
+			}
+			rt.ts << "\tret[\"" << m.name << "\"] = piSerializeJSON(PIVector<" << ptype << " >((const " << ptype << " *)(v." << m.name
+				  << "), " << size << "));\n";
+		}
+		if (is_union) break;
+	}
+	if (is_union) return true;
+	for (const PICodeParser::Entity * ce: e->children) {
+		if (ce->has_name) continue;
+		if (!writeClassJSONMembersOut(rt, ce)) return false;
+	}
+	return true;
+}
+
+
+bool writeClassJSONMembersIn(Runtime & rt, const PICodeParser::Entity * e) {
+	PIVector<PICodeParser::Member> ml;
+	for (const PICodeParser::Member & m: e->members) {
+		if (m.is_type_ptr || (m.visibility != PICodeParser::Public)) continue;
+		ml << m;
+	}
+	bool is_union = e->type == "union";
+	PISet<int> used_id;
+	for (const PICodeParser::Member & m: ml) {
+		if (is_union && m.isBitfield()) continue;
+		if (m.attributes[PICodeParser::Static]) continue;
+		if (m.meta.value("id") == "-") continue;
+		// if (m.meta.contains("id")) cnt = m.meta.value("id").toInt();
+		if (m.dims.isEmpty()) {
+			rt.ts << "\tpiDeserializeJSON(v." << m.name << ", js[\"" << m.name << "\"]);\n";
+		} else {
+			PIString ptype = m.type.left(m.type.find('[')).trim();
+			PIString size  = m.dims[0];
+			for (int i = 1; i < m.dims.size_s(); ++i) {
+				size += " * ";
+				size += m.dims[i];
+			}
+			rt.ts << "\t{\n\t\tPIVector<" << ptype << " > d;\n";
+			rt.ts << "\t\tpiDeserializeJSON(d, js[\"" << m.name << "\"]);\n";
+			rt.ts << "\t\tint cnt = piMini(d.size_s(), " << size << ");\n";
+			rt.ts << "\t\tfor (int i = 0; i < cnt; ++i)\n";
+			rt.ts << "\t\t\t((" << ptype << " *)(v." << m.name << "))[i] = d[i];\n";
+			rt.ts << "\t}\n";
+		}
+		if (is_union) break;
+	}
+	if (is_union) return true;
+	for (const PICodeParser::Entity * ce: e->children) {
+		if (ce->has_name) continue;
+		if (!writeClassJSONMembersIn(rt, ce)) return false;
+	}
+	return true;
+}
+
+
+bool needClassJSON(const PICodeParser::Entity * e) {
+	if (e->meta.contains("no-json")) return false;
+	for (const PICodeParser::Member & m: e->members) {
+		if (m.is_type_ptr || m.isBitfield() || !m.dims.isEmpty() || (m.visibility != PICodeParser::Public)) continue;
+		if (m.attributes[PICodeParser::Static]) continue;
+		if (m.meta.value("id") == "-") continue;
+		return true;
+	}
+	return false;
+}
+
+
+bool makeClassJSON(Runtime & rt, const PICodeParser::Entity * e) {
+	if (!needClassJSON(e)) return true;
+
+	rt.ts << "\ntemplate<> inline PIJSON piSerializeJSON(const " << e->name << " & v) {\n";
+	rt.ts << "\tPIJSON ret;\n";
+	if (!writeClassJSONMembersOut(rt, e)) return false;
+	rt.ts << "\treturn ret;\n}\n";
+
+	rt.ts << "\ntemplate<> inline void piDeserializeJSON(" << e->name << " & v, const PIJSON & js) {\n";
+	if (!writeClassJSONMembersIn(rt, e)) return false;
+	rt.ts << "}\n";
+
+	return true;
+}