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authorFriedemann Kleint <friedemann.kleint@qt.io>2023-05-10 13:50:56 +0200
committerCristián Maureira-Fredes <cristian.maureira-fredes@qt.io>2025-11-24 12:06:06 +0100
commit845630ad239c4b37ff37e49ef5bb969a8946744b (patch)
tree5c65f2e270511459d346c14f0ad8d01f5e6e39a0 /sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp
parent3cf2077a1b060bbea3419ccde23c5da6485a2e24 (diff)
Move the shiboken-generator source around
THIS COMMIT WAS GENERATED BY A SCRIPT Task-number: PYSIDE-962 Task-number: PYSIDE-1587 Change-Id: I58b05c3d05606efb6303193f2d7f907a0ab5741b Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Diffstat (limited to 'sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp')
-rw-r--r--sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp202
1 files changed, 0 insertions, 202 deletions
diff --git a/sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp b/sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp
deleted file mode 100644
index 986e87341..000000000
--- a/sources/shiboken6/ApiExtractor/abstractmetabuilder_helpers.cpp
+++ /dev/null
@@ -1,202 +0,0 @@
-// Copyright (C) 2021 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-
-#include "abstractmetabuilder.h"
-#include "abstractmetabuilder_p.h"
-#include "abstractmetaenum.h"
-#include "abstractmetafield.h"
-#include "abstractmetalang.h"
-#include "enumtypeentry.h"
-#include "flagstypeentry.h"
-
-using namespace Qt::StringLiterals;
-
-using QStringViewList = QList<QStringView>;
-
-// Return a prefix to fully qualify value, eg:
-// resolveScopePrefix("Class::NestedClass::Enum::Value1", "Enum::Value1")
-// -> "Class::NestedClass::")
-static QString resolveScopePrefixHelper(const QStringViewList &scopeList,
- QStringView value)
-{
- QString name;
- for (qsizetype i = scopeList.size() - 1 ; i >= 0; --i) {
- const QString prefix = scopeList.at(i).toString() + u"::"_s;
- if (value.startsWith(prefix))
- name.clear();
- else
- name.prepend(prefix);
- }
- return name;
-}
-
-QString AbstractMetaBuilder::resolveScopePrefix(const AbstractMetaClassCPtr &scope,
- QStringView value)
-{
- if (!scope)
- return {};
- const QString &qualifiedCppName = scope->qualifiedCppName();
- const QStringViewList scopeList =
- QStringView{qualifiedCppName}.split(u"::"_s, Qt::SkipEmptyParts);
- return resolveScopePrefixHelper(scopeList, value);
-}
-
-// Return the scope for fully qualifying the enumeration value
-static QString resolveEnumValueScopePrefix(const AbstractMetaEnum &metaEnum,
- QStringView value)
-{
- AbstractMetaClassCPtr scope = metaEnum.enclosingClass();
- if (!scope)
- return {}; // global enum, value should work as is
- const QString &qualifiedCppName = scope->qualifiedCppName();
- const QString &enumName = metaEnum.name();
- QStringViewList parts =
- QStringView{qualifiedCppName}.split(u"::"_s, Qt::SkipEmptyParts);
- // Append the type (as required for enum classes) unless it is an anonymous enum.
- if (!metaEnum.isAnonymous())
- parts.append(QStringView{enumName});
- return resolveScopePrefixHelper(parts, value);
-}
-
-bool AbstractMetaBuilderPrivate::isQualifiedCppIdentifier(QStringView e)
-{
- return !e.isEmpty() && e.at(0).isLetter()
- && std::all_of(e.cbegin() + 1, e.cend(),
- [](QChar c) { return c.isLetterOrNumber() || c == u'_' || c == u':'; });
-}
-
-static bool isIntegerConstant(const QStringView expr)
-{
- bool isNumber{};
- auto n = expr.toInt(&isNumber, /* guess base: 0x or decimal */ 0);
- Q_UNUSED(n);
- return isNumber;
-}
-
-static bool isFloatConstant(const QStringView expr)
-{
- bool isNumber{};
- auto d = expr.toDouble(&isNumber);
- Q_UNUSED(d);
- return isNumber;
-}
-
-// Fix an enum default value: Add the enum/flag scope or fully qualified name
-// to the default value, making it usable from Python wrapper code outside the
-// owner class hierarchy. See TestEnum::testEnumDefaultValues().
-QString AbstractMetaBuilderPrivate::fixEnumDefault(const AbstractMetaType &type,
- const QString &expr,
- const AbstractMetaClassCPtr &klass) const
-{
- // QFlags construct from integers, do not fix that
- if (isIntegerConstant(expr))
- return expr;
-
- QString field = qualifyStaticField(klass, expr);
- if (!field.isEmpty())
- return field;
-
- const auto typeEntry = type.typeEntry();
- EnumTypeEntryCPtr enumTypeEntry;
- FlagsTypeEntryCPtr flagsTypeEntry;
- if (typeEntry->isFlags()) {
- flagsTypeEntry = std::static_pointer_cast<const FlagsTypeEntry>(typeEntry);
- enumTypeEntry = flagsTypeEntry->originator();
- } else {
- Q_ASSERT(typeEntry->isEnum());
- enumTypeEntry = std::static_pointer_cast<const EnumTypeEntry>(typeEntry);
- }
- // Use the enum's qualified name (would otherwise be "QFlags<Enum>")
- if (!enumTypeEntry->qualifiedCppName().contains(u"::"))
- return expr; // Global enum, nothing to fix here
-
- // This is a somehow scoped enum
- AbstractMetaEnum metaEnum = m_enums.value(enumTypeEntry);
-
- if (isQualifiedCppIdentifier(expr)) // A single enum value
- return resolveEnumValueScopePrefix(metaEnum, expr) + expr;
-
- QString result;
- // Is this a cast from integer or other type ("Enum(-1)" or "Options(0x10|0x20)"?
- // Prepend the scope (assuming enum and flags are in the same scope).
- auto parenPos = expr.indexOf(u'(');
- const bool typeCast = parenPos != -1 && expr.endsWith(u')')
- && isQualifiedCppIdentifier(QStringView{expr}.left(parenPos));
- if (typeCast) {
- const QString prefix =
- AbstractMetaBuilder::resolveScopePrefix(metaEnum.enclosingClass(), expr);
- result += prefix;
- parenPos += prefix.size();
- }
- result += expr;
-
- // Extract "Option1 | Option2" from "Options(Option1 | Option2)"
- QStringView innerExpression = typeCast
- ? QStringView{result}.mid(parenPos + 1, result.size() - parenPos - 2)
- : QStringView{result};
-
- // Quick check for number "Options(0x4)"
- if (isIntegerConstant(innerExpression))
- return result;
-
- // Quick check for single enum value "Options(Option1)"
- if (isQualifiedCppIdentifier(innerExpression)) {
- const QString prefix = resolveEnumValueScopePrefix(metaEnum, innerExpression);
- result.insert(parenPos + 1, prefix);
- return result;
- }
-
- // Tokenize simple "A | B" expressions and qualify the enum values therein.
- // Anything more complicated is left as is ATM.
- if (!innerExpression.contains(u'|') || innerExpression.contains(u'&')
- || innerExpression.contains(u'^') || innerExpression.contains(u'(')
- || innerExpression.contains(u'~')) {
- return result;
- }
-
- const QList<QStringView> tokens = innerExpression.split(u'|', Qt::SkipEmptyParts);
- QStringList qualifiedTokens;
- qualifiedTokens.reserve(tokens.size());
- for (const auto &tokenIn : tokens) {
- const auto token = tokenIn.trimmed();
- QString qualified = token.toString();
- if (!isIntegerConstant(token) && isQualifiedCppIdentifier(token))
- qualified.prepend(resolveEnumValueScopePrefix(metaEnum, token));
- qualifiedTokens.append(qualified);
- }
- QString qualifiedExpression = qualifiedTokens.join(u" | "_s);
- if (!typeCast)
- return qualifiedExpression;
-
- result.replace(parenPos + 1, innerExpression.size(), qualifiedExpression);
- return result;
-}
-
-bool AbstractMetaBuilder::dontFixDefaultValue(QStringView expr)
-{
- return expr.isEmpty() || expr == u"{}" || expr == u"nullptr"
- || expr == u"NULL" || expr == u"true" || expr == u"false"
- || (expr.startsWith(u'{') && expr.startsWith(u'}')) // initializer list
- || (expr.startsWith(u'[') && expr.startsWith(u']')) // array
- || expr.startsWith(u"Qt::") // Qt namespace constant
- || isIntegerConstant(expr) || isFloatConstant(expr);
-}
-
-QString AbstractMetaBuilderPrivate::qualifyStaticField(const AbstractMetaClassCPtr &c,
- QStringView field)
-{
- if (!c || c->fields().isEmpty())
- return {};
- // If there is a scope, ensure it matches the class
- const auto lastQualifier = field.lastIndexOf(u"::");
- if (lastQualifier != -1
- && !c->qualifiedCppName().endsWith(field.left(lastQualifier))) {
- return {};
- }
- const auto fieldName = lastQualifier != -1
- ? field.mid(lastQualifier + 2) : field;
- const auto fieldOpt = c->findField(fieldName);
- if (!fieldOpt.has_value() || !fieldOpt.value().isStatic())
- return {};
- return AbstractMetaBuilder::resolveScopePrefix(c, field) + field.toString();
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-17 20:06:59 +0000