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Extend universal modules with module context (#61)

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* extend universal modules with module context

* implement module calls and events for universal modules

* pr comments
This commit is contained in:
Dario Lipicar
2026-05-19 12:49:15 -03:00
committed by GitHub
parent 25c88f4d48
commit 8bdbd13848
16 changed files with 1787 additions and 450 deletions
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cpp-generator/experimental/impl_header_parser.cpp
+45 -4
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@@ -249,13 +249,17 @@ ImplParseResult parseImplHeader(const QString& headerPath,
QStringList lines = source.split('\n');
// State machine: find "class <className>", then collect public methods
enum State { LookingForClass, InClass, InPublic, InPrivate };
// State machine: find "class <className>", then collect declarations.
// `InLogosEvents` is entered by the literal `logos_events:` token
// (mirrors Qt's `signals:`) — methods declared there are parsed as
// EventDecls and appended to ModuleDecl.events instead of .methods.
enum State { LookingForClass, InClass, InPublic, InPrivate, InLogosEvents };
State state = LookingForClass;
int braceDepth = 0;
QRegularExpression classRe("\\bclass\\s+" + QRegularExpression::escape(className) + "\\b");
QRegularExpression accessRe("^\\s*(public|private|protected)\\s*:");
QRegularExpression eventsRe("^\\s*logos_events\\s*:");
QRegularExpression ctorDtorRe("^\\s*~?" + QRegularExpression::escape(className) + "\\s*\\(");
for (const QString& rawLine : lines) {
@@ -275,6 +279,7 @@ ImplParseResult parseImplHeader(const QString& headerPath,
case InClass:
case InPublic:
case InPrivate:
case InLogosEvents:
for (QChar c : line) {
if (c == '{') braceDepth++;
else if (c == '}') braceDepth--;
@@ -285,6 +290,16 @@ ImplParseResult parseImplHeader(const QString& headerPath,
goto done;
}
// `logos_events:` takes precedence over the standard access
// specifiers: it's a separate section that the codegen pulls
// event prototypes from. (At preprocess time, `logos_events`
// expands to `public`, but the raw source still carries the
// token we recognise here.)
if (eventsRe.match(line).hasMatch()) {
state = InLogosEvents;
break;
}
{
QRegularExpressionMatch am = accessRe.match(line);
if (am.hasMatch()) {
@@ -295,8 +310,7 @@ ImplParseResult parseImplHeader(const QString& headerPath,
}
}
if (state != InPublic) break;
// Skip noise & non-declarations in any section.
if (line.isEmpty() || line.startsWith("//") || line.startsWith("#")
|| line.startsWith("/*") || line.startsWith("*"))
break;
@@ -309,7 +323,34 @@ ImplParseResult parseImplHeader(const QString& headerPath,
|| line.startsWith("struct"))
break;
if (state == InLogosEvents) {
// Inside `logos_events:` — every bare prototype is an event.
// Events are always void-returning by definition, so we
// re-use parseMethodLine to extract name + params and
// discard the return type.
if (line.endsWith(';')) {
QString decl = line.left(line.size() - 1).trimmed();
MethodDecl md;
if (parseMethodLine(decl, md)) {
EventDecl ed;
ed.name = md.name;
ed.params = md.params;
result.module.events.append(ed);
}
}
break;
}
if (state != InPublic) break;
if (line.contains("std::function<")) {
// Legacy `std::function<…> emitEvent` member — predates
// the typed `logos_events:` mechanism. Still recognised
// for backward compat: modules that haven't migrated yet
// (e.g. logos-package-manager-module) keep their existing
// emit("name", "json") call sites working through the
// provider constructor's lambda wiring. New code should
// prefer `logos_events:`.
if (line.contains("emitEvent"))
result.module.hasEmitEvent = true;
break;