mirror of
https://github.com/mappu/miqt.git
synced 2024-12-23 01:18:37 +00:00
737 lines
23 KiB
Go
737 lines
23 KiB
Go
package main
|
||
|
||
import (
|
||
"fmt"
|
||
"sort"
|
||
"strings"
|
||
)
|
||
|
||
func (p CppParameter) RenderTypeCabi() string {
|
||
|
||
if p.ParameterType == "QString" {
|
||
return "struct miqt_string*"
|
||
|
||
} else if _, ok := p.QListOf(); ok {
|
||
return "struct miqt_array*"
|
||
|
||
} else if _, ok := p.QSetOf(); ok {
|
||
return "struct miqt_array*"
|
||
|
||
} else if (p.Pointer || p.ByRef) && p.QtClassType() {
|
||
return cabiClassName(p.ParameterType) + "*"
|
||
|
||
} else if p.QtClassType() && !p.Pointer {
|
||
// Even if C++ returns by value, CABI is returning a heap copy (new'd, not malloc'd)
|
||
return cabiClassName(p.ParameterType) + "*"
|
||
}
|
||
|
||
ret := p.ParameterType
|
||
switch p.ParameterType {
|
||
case "uchar":
|
||
ret = "unsigned char"
|
||
case "uint":
|
||
ret = "unsigned int"
|
||
case "ulong":
|
||
ret = "unsigned long"
|
||
case "qint8":
|
||
ret = "int8_t"
|
||
case "quint8":
|
||
ret = "uint8_t"
|
||
case "qint16", "short":
|
||
ret = "int16_t"
|
||
case "quint16", "ushort", "unsigned short":
|
||
ret = "uint16_t"
|
||
case "qint32":
|
||
ret = "int32_t"
|
||
case "quint32":
|
||
ret = "uint32_t"
|
||
case "qlonglong", "qint64":
|
||
ret = "int64_t"
|
||
case "qulonglong", "quint64":
|
||
ret = "uint64_t"
|
||
case "qfloat16":
|
||
ret = "_Float16" // No idea where this typedef comes from, but it exists
|
||
case "qreal":
|
||
ret = "double"
|
||
case "qintptr", "QIntegerForSizeof<void *>::Signed":
|
||
ret = "intptr_t"
|
||
case "quintptr", "uintptr", "QIntegerForSizeof<void *>::Unsigned":
|
||
ret = "uintptr_t"
|
||
case "qsizetype", "qptrdiff", "QIntegerForSizeof<std::size_t>::Signed":
|
||
ret = "ptrdiff_t"
|
||
}
|
||
|
||
if p.Const {
|
||
// This is needed for const-correctness for calling some overloads
|
||
// e.g. QShortcut ctor taking (QWidget* parent, const char* member) signal -
|
||
// the signal/slot requires that member is const, not just plain char*
|
||
ret = "const " + ret
|
||
}
|
||
|
||
if ft, ok := p.QFlagsOf(); ok {
|
||
if e, ok := KnownEnums[ft.ParameterType]; ok {
|
||
ret = e.Enum.UnderlyingType.RenderTypeCabi()
|
||
} else {
|
||
ret = "int"
|
||
}
|
||
|
||
} else if e, ok := KnownEnums[p.ParameterType]; ok {
|
||
ret = e.Enum.UnderlyingType.RenderTypeCabi()
|
||
|
||
}
|
||
|
||
if p.Pointer {
|
||
ret += strings.Repeat("*", p.PointerCount)
|
||
} else if p.ByRef {
|
||
ret += "*"
|
||
}
|
||
|
||
return ret
|
||
}
|
||
|
||
// RenderTypeQtCpp renders the Qt C++ type in the original form from the function
|
||
// definition, before any typedefs or transformations were applied.
|
||
func (p CppParameter) RenderTypeQtCpp() string {
|
||
return p.GetQtCppType().RenderTypeIntermediateCpp()
|
||
}
|
||
|
||
// RenderTypeIntermediateCpp renders the Qt C++ type WITHOUT resolving the
|
||
// interior QtCppOriginalType. This is used for intermediate const_cast<>s.
|
||
func (p CppParameter) RenderTypeIntermediateCpp() string {
|
||
cppType := p.ParameterType
|
||
|
||
if p.Const {
|
||
cppType = "const " + cppType
|
||
}
|
||
if p.Pointer {
|
||
cppType += strings.Repeat("*", p.PointerCount)
|
||
}
|
||
if p.ByRef {
|
||
cppType += "&"
|
||
}
|
||
|
||
return cppType
|
||
}
|
||
|
||
// emitParametersCpp emits the parameter definitions exactly how Qt C++ defines them.
|
||
func emitParametersCpp(m CppMethod) string {
|
||
tmp := make([]string, 0, len(m.Parameters))
|
||
for _, p := range m.Parameters {
|
||
tmp = append(tmp, p.RenderTypeQtCpp()+" "+p.ParameterName)
|
||
}
|
||
|
||
return strings.Join(tmp, `, `)
|
||
}
|
||
|
||
func emitParameterTypesCpp(m CppMethod, includeHidden bool) string {
|
||
tmp := make([]string, 0, len(m.Parameters))
|
||
for _, p := range m.Parameters {
|
||
tmp = append(tmp, p.RenderTypeQtCpp())
|
||
}
|
||
if includeHidden {
|
||
for _, p := range m.HiddenParams {
|
||
tmp = append(tmp, p.RenderTypeQtCpp())
|
||
}
|
||
}
|
||
|
||
return strings.Join(tmp, `, `)
|
||
}
|
||
|
||
func emitParametersCabi(m CppMethod, selfType string) string {
|
||
tmp := make([]string, 0, len(m.Parameters)+1)
|
||
|
||
if !m.IsStatic && selfType != "" {
|
||
tmp = append(tmp, selfType+" self")
|
||
}
|
||
|
||
for _, p := range m.Parameters {
|
||
if p.ParameterType == "QString" {
|
||
tmp = append(tmp, "struct miqt_string* "+p.ParameterName)
|
||
|
||
} else if t, ok := p.QListOf(); ok {
|
||
tmp = append(tmp, "struct miqt_array* /* of "+t.RenderTypeCabi()+" */ "+p.ParameterName)
|
||
|
||
} else if t, ok := p.QSetOf(); ok {
|
||
tmp = append(tmp, "struct miqt_array* /* Set of "+t.RenderTypeCabi()+" */ "+p.ParameterName)
|
||
|
||
} else if p.QtClassType() {
|
||
if p.ByRef || p.Pointer {
|
||
|
||
// Pointer to Qt type
|
||
// Replace with taking our PQ typedef by value
|
||
tmp = append(tmp, cabiClassName(p.ParameterType)+"* "+p.ParameterName)
|
||
} else {
|
||
// Qt type passed by value
|
||
// The CABI will unconditionally take these by pointer and dereference them
|
||
// when passing to C++
|
||
tmp = append(tmp, cabiClassName(p.ParameterType)+"* "+p.ParameterName)
|
||
}
|
||
|
||
} else {
|
||
// RenderTypeCabi renders both pointer+reference as pointers
|
||
tmp = append(tmp, p.RenderTypeCabi()+" "+p.ParameterName)
|
||
}
|
||
}
|
||
|
||
return strings.Join(tmp, ", ")
|
||
}
|
||
|
||
func emitParametersCABI2CppForwarding(params []CppParameter, indent string) (preamble string, forwarding string) {
|
||
tmp := make([]string, 0, len(params)+1)
|
||
|
||
for _, p := range params {
|
||
addPre, addFwd := emitCABI2CppForwarding(p, indent)
|
||
preamble += addPre
|
||
tmp = append(tmp, addFwd)
|
||
}
|
||
|
||
return preamble, strings.Join(tmp, ", ")
|
||
}
|
||
|
||
func makeNamePrefix(in string) string {
|
||
return strings.Replace(strings.Replace(in, `[`, `_`, -1), `]`, "", -1)
|
||
}
|
||
|
||
func emitCABI2CppForwarding(p CppParameter, indent string) (preamble string, forwarding string) {
|
||
|
||
nameprefix := makeNamePrefix(p.ParameterName)
|
||
|
||
if p.ParameterType == "QString" {
|
||
// The CABI has accepted two parameters - need to convert to one real QString
|
||
// Create it on the stack
|
||
preamble += indent + "QString " + nameprefix + "_QString = QString::fromUtf8(&" + p.ParameterName + "->data, " + p.ParameterName + "->len);\n"
|
||
return preamble, nameprefix + "_QString"
|
||
|
||
} else if listType, ok := p.QListOf(); ok {
|
||
|
||
preamble += indent + p.GetQtCppType().ParameterType + " " + nameprefix + "_QList;\n"
|
||
preamble += indent + nameprefix + "_QList.reserve(" + p.ParameterName + "->len);\n"
|
||
|
||
preamble += indent + listType.RenderTypeCabi() + "* " + nameprefix + "_arr = static_cast<" + listType.RenderTypeCabi() + "*>(" + p.ParameterName + "->data);\n"
|
||
preamble += indent + "for(size_t i = 0; i < " + p.ParameterName + "->len; ++i) {\n"
|
||
|
||
listType.ParameterName = nameprefix + "_arr[i]"
|
||
addPre, addFwd := emitCABI2CppForwarding(listType, indent+"\t")
|
||
preamble += addPre
|
||
preamble += indent + "\t" + nameprefix + "_QList.push_back(" + addFwd + ");\n"
|
||
|
||
preamble += indent + "}\n"
|
||
return preamble, nameprefix + "_QList"
|
||
|
||
} else if p.IsFlagType() || p.IntType() || p.IsKnownEnum() {
|
||
castSrc := p.ParameterName
|
||
castType := p.RenderTypeQtCpp()
|
||
|
||
if p.ByRef { // e.g. QDataStream::operator>>() overloads
|
||
castSrc = "*" + castSrc
|
||
}
|
||
|
||
if p.QtCppOriginalType != nil && p.QtCppOriginalType.Const != p.Const {
|
||
return preamble, "static_cast<" + p.RenderTypeQtCpp() + ">(const_cast<" + p.RenderTypeIntermediateCpp() + ">(" + p.ParameterName + "))"
|
||
}
|
||
|
||
if p.ParameterType == "qint64" ||
|
||
p.ParameterType == "quint64" ||
|
||
p.ParameterType == "qlonglong" ||
|
||
p.ParameterType == "qulonglong" ||
|
||
p.GetQtCppType().ParameterType == "qintptr" ||
|
||
p.GetQtCppType().ParameterType == "qsizetype" || // Qt 6 qversionnumber.h: invalid ‘static_cast’ from type ‘ptrdiff_t*’ {aka ‘long int*’} to type ‘qsizetype*’ {aka ‘long long int*’}
|
||
p.ParameterType == "qint8" {
|
||
// QDataStream::operator>>() by reference (qint64)
|
||
// QLockFile::getLockInfo() by pointer
|
||
// QTextStream::operator>>() by reference (qlonglong + qulonglong)
|
||
// QDataStream::operator>>() qint8
|
||
// CABI has these as int64_t* (long int) which fails a static_cast to qint64& (long long int&)
|
||
// Hack a hard C-style cast
|
||
return preamble, "(" + castType + ")(" + castSrc + ")"
|
||
} else {
|
||
// Use static_cast<> safely
|
||
return preamble, "static_cast<" + castType + ">(" + castSrc + ")"
|
||
}
|
||
|
||
} else if _, ok := p.QSetOf(); ok {
|
||
panic("QSet<> arguments are not yet implemented") // n.b. doesn't seem to exist in QtCore/QtGui/QtWidgets at all
|
||
|
||
} else if p.ByRef {
|
||
if p.Pointer {
|
||
// By ref and by pointer
|
||
// This happens for QDataStream &QDataStream::operator>>(char *&s)
|
||
// We are only using one level of indirection
|
||
return preamble, p.ParameterName
|
||
} else {
|
||
// By ref and not by pointer
|
||
// We changed RenderTypeCabi() to render this as a pointer
|
||
// Need to dereference so we can pass as reference to the actual Qt C++ function
|
||
//tmp = append(tmp, "*"+p.ParameterName)
|
||
return preamble, "*" + p.ParameterName
|
||
}
|
||
|
||
} else if p.QtClassType() && !p.Pointer {
|
||
// CABI takes all Qt types by pointer, even if C++ wants them by value
|
||
// Dereference the passed-in pointer
|
||
if strings.Contains(p.ParameterName, `[`) {
|
||
return preamble, "*(" + p.ParameterName + ")" // Extra brackets aren't necessary, just nice
|
||
}
|
||
return preamble, "*" + p.ParameterName
|
||
|
||
} else {
|
||
return preamble, p.ParameterName
|
||
}
|
||
|
||
}
|
||
|
||
// emitAssignCppToCabi transforms and assigns rvalue to the assignExpression.
|
||
// Sample assignExpression: `return `, `auto foo = `
|
||
// Sample rvalue: `foo`, `foo(xyz)`
|
||
// The return is a complete statement including trailing newline.
|
||
func emitAssignCppToCabi(assignExpression string, p CppParameter, rvalue string) string {
|
||
|
||
shouldReturn := assignExpression // n.b. already has indent
|
||
afterCall := ""
|
||
assignExpression = strings.TrimLeft(assignExpression, " \t")
|
||
indent := shouldReturn[0 : len(shouldReturn)-len(assignExpression)]
|
||
|
||
shouldReturn = shouldReturn[len(indent):]
|
||
|
||
namePrefix := makeNamePrefix(p.ParameterName)
|
||
|
||
if p.ParameterType == "void" && !p.Pointer {
|
||
shouldReturn = ""
|
||
|
||
} else if p.ParameterType == "QString" {
|
||
|
||
if p.Pointer {
|
||
// e.g. QTextStream::String()
|
||
// These are rare, and probably expected to be lightweight references
|
||
// But, a copy is the best we can project it as
|
||
// Un-pointer-ify
|
||
shouldReturn = ifv(p.Const, "const ", "") + "QString* " + namePrefix + "_ret = "
|
||
afterCall = indent + "// Convert QString pointer from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
|
||
afterCall += indent + "QByteArray " + namePrefix + "_b = " + namePrefix + "_ret->toUtf8();\n"
|
||
|
||
} else {
|
||
shouldReturn = ifv(p.Const, "const ", "") + "QString " + p.ParameterName + "_ret = "
|
||
afterCall = indent + "// Convert QString from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
|
||
afterCall += indent + "QByteArray " + namePrefix + "_b = " + namePrefix + "_ret.toUtf8();\n"
|
||
}
|
||
|
||
afterCall += indent + assignExpression + "miqt_strdup(" + namePrefix + "_b.data(), " + namePrefix + "_b.length());\n"
|
||
|
||
} else if t, ok := p.QListOf(); ok {
|
||
|
||
// In some cases rvalue is a function call and the temporary
|
||
// is necessary; in some cases it's a literal and the temporary is
|
||
// elided; but in some cases it's a Qt class and the temporary goes
|
||
// through a copy constructor
|
||
// TODO Detect safe cases where this can be optimized
|
||
|
||
shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
|
||
|
||
afterCall += indent + "// Convert QList<> from C++ memory to manually-managed C memory\n"
|
||
afterCall += indent + "" + t.RenderTypeCabi() + "* " + namePrefix + "_arr = static_cast<" + t.RenderTypeCabi() + "*>(malloc(sizeof(" + t.RenderTypeCabi() + ") * " + namePrefix + "_ret.length()));\n"
|
||
afterCall += indent + "for (size_t i = 0, e = " + namePrefix + "_ret.length(); i < e; ++i) {\n"
|
||
afterCall += emitAssignCppToCabi(indent+"\t"+namePrefix+"_arr[i] = ", t, namePrefix+"_ret[i]")
|
||
afterCall += indent + "}\n"
|
||
|
||
afterCall += indent + "struct miqt_array* " + namePrefix + "_out = static_cast<struct miqt_array*>(malloc(sizeof(struct miqt_array)));\n"
|
||
afterCall += indent + "" + namePrefix + "_out->len = " + namePrefix + "_ret.length();\n"
|
||
afterCall += indent + "" + namePrefix + "_out->data = static_cast<void*>(" + namePrefix + "_arr);\n"
|
||
|
||
afterCall += indent + assignExpression + "" + namePrefix + "_out;\n"
|
||
|
||
} else if t, ok := p.QSetOf(); ok {
|
||
|
||
shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
|
||
|
||
afterCall += indent + "// Convert QSet<> from C++ memory to manually-managed C memory\n"
|
||
afterCall += indent + "" + t.RenderTypeCabi() + "* " + namePrefix + "_arr = static_cast<" + t.RenderTypeCabi() + "*>(malloc(sizeof(" + t.RenderTypeCabi() + ") * " + namePrefix + "_ret.size()));\n"
|
||
afterCall += indent + "int " + namePrefix + "_ctr = 0;\n"
|
||
afterCall += indent + "QSetIterator<" + t.RenderTypeQtCpp() + "> " + namePrefix + "_itr(" + namePrefix + "_ret);\n"
|
||
afterCall += indent + "while (" + namePrefix + "_itr.hasNext()) {\n"
|
||
afterCall += emitAssignCppToCabi(indent+"\t"+namePrefix+"_arr["+namePrefix+"_ctr++] = ", t, namePrefix+"_itr.next()")
|
||
afterCall += indent + "}\n"
|
||
|
||
afterCall += indent + "struct miqt_array* " + namePrefix + "_out = static_cast<struct miqt_array*>(malloc(sizeof(struct miqt_array)));\n"
|
||
afterCall += indent + "" + namePrefix + "_out->len = " + namePrefix + "_ret.size();\n"
|
||
afterCall += indent + "" + namePrefix + "_out->data = static_cast<void*>(" + namePrefix + "_arr);\n"
|
||
|
||
afterCall += indent + assignExpression + "" + namePrefix + "_out;\n"
|
||
|
||
} else if p.QtClassType() && p.ByRef {
|
||
// It's a pointer in disguise, just needs one cast
|
||
shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
|
||
afterCall += indent + "// Cast returned reference into pointer\n"
|
||
if p.Const {
|
||
nonConst := p // copy
|
||
nonConst.Const = false
|
||
nonConst.ByRef = false
|
||
nonConst.Pointer = true
|
||
nonConst.PointerCount = 1
|
||
afterCall += indent + "" + assignExpression + "const_cast<" + nonConst.RenderTypeQtCpp() + ">(&" + namePrefix + "_ret);\n"
|
||
} else {
|
||
afterCall += indent + "" + assignExpression + "&" + namePrefix + "_ret;\n"
|
||
}
|
||
|
||
} else if p.QtClassType() && !p.Pointer {
|
||
|
||
// Elide temporary and emit directly from the rvalue
|
||
return indent + assignExpression + "new " + p.ParameterType + "(" + rvalue + ");\n"
|
||
|
||
} else if p.IsFlagType() || p.IsKnownEnum() || p.QtCppOriginalType != nil {
|
||
// Needs an explicit cast
|
||
shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
|
||
|
||
if p.QtCppOriginalType != nil && p.QtCppOriginalType.Const != p.Const {
|
||
afterCall += indent + "" + assignExpression + "const_cast<" + p.RenderTypeCabi() + ">(static_cast<" + p.RenderTypeIntermediateCpp() + ">(" + namePrefix + "_ret));\n"
|
||
} else {
|
||
afterCall += indent + "" + assignExpression + "static_cast<" + p.RenderTypeCabi() + ">(" + namePrefix + "_ret);\n"
|
||
}
|
||
|
||
} else if p.Const {
|
||
shouldReturn += "(" + p.RenderTypeCabi() + ") "
|
||
|
||
}
|
||
|
||
return indent + shouldReturn + rvalue + ";\n" + afterCall
|
||
}
|
||
|
||
// getReferencedTypes finds all referenced Qt types in this file.
|
||
func getReferencedTypes(src *CppParsedHeader) []string {
|
||
|
||
foundTypes := map[string]struct{}{}
|
||
for _, c := range src.Classes {
|
||
|
||
foundTypes[c.ClassName] = struct{}{}
|
||
|
||
for _, ctor := range c.Ctors {
|
||
for _, p := range ctor.Parameters {
|
||
if p.QtClassType() {
|
||
foundTypes[p.ParameterType] = struct{}{}
|
||
}
|
||
if t, ok := p.QListOf(); ok {
|
||
foundTypes["QList"] = struct{}{} // FIXME or QVector?
|
||
if t.QtClassType() {
|
||
foundTypes[t.ParameterType] = struct{}{}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
for _, m := range c.Methods {
|
||
for _, p := range m.Parameters {
|
||
if p.QtClassType() {
|
||
foundTypes[p.ParameterType] = struct{}{}
|
||
}
|
||
if t, ok := p.QListOf(); ok {
|
||
foundTypes["QList"] = struct{}{} // FIXME or QVector?
|
||
if t.QtClassType() {
|
||
foundTypes[t.ParameterType] = struct{}{}
|
||
}
|
||
}
|
||
}
|
||
if m.ReturnType.QtClassType() {
|
||
foundTypes[m.ReturnType.ParameterType] = struct{}{}
|
||
}
|
||
if t, ok := m.ReturnType.QListOf(); ok {
|
||
foundTypes["QList"] = struct{}{} // FIXME or QVector?
|
||
if t.QtClassType() {
|
||
foundTypes[t.ParameterType] = struct{}{}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// Some types (e.g. QRgb) are found but are typedefs, not classes
|
||
for _, td := range src.Typedefs {
|
||
delete(foundTypes, td.Alias)
|
||
}
|
||
|
||
// Convert to sorted list
|
||
foundTypesList := make([]string, 0, len(foundTypes))
|
||
for ft := range foundTypes {
|
||
if strings.HasPrefix(ft, "QList<") || strings.HasPrefix(ft, "QVector<") { // TODO properly exclude via the QListOf() check above
|
||
continue
|
||
}
|
||
if strings.HasSuffix(ft, "Private") { // qbrush.h finds QGradientPrivate
|
||
continue
|
||
}
|
||
|
||
foundTypesList = append(foundTypesList, ft)
|
||
}
|
||
sort.Strings(foundTypesList)
|
||
|
||
return foundTypesList
|
||
}
|
||
|
||
// cabiClassName returns the Go / CABI class name for a Qt C++ class.
|
||
// Normally this is the same, except for class types that are nested inside another class definition.
|
||
func cabiClassName(className string) string {
|
||
|
||
// Many types are defined in qnamespace.h under Qt::
|
||
// The Go implementation is always called qt.Foo, and these names don't
|
||
// collide with anything, so strip the redundant prefix
|
||
className = strings.TrimPrefix(className, `Qt::`)
|
||
|
||
// Must use __ to avoid subclass/method name collision e.g. QPagedPaintDevice::Margins
|
||
return strings.Replace(className, `::`, `__`, -1)
|
||
}
|
||
|
||
func emitBindingHeader(src *CppParsedHeader, filename string, packageName string) (string, error) {
|
||
ret := strings.Builder{}
|
||
|
||
includeGuard := "GEN_" + strings.ToUpper(strings.Replace(filename, `.`, `_`, -1))
|
||
|
||
bindingInclude := "../libmiqt/libmiqt.h"
|
||
if packageName != "qt" {
|
||
bindingInclude = "../" + bindingInclude
|
||
}
|
||
|
||
ret.WriteString(`#ifndef ` + includeGuard + `
|
||
#define ` + includeGuard + `
|
||
|
||
#include <stdbool.h>
|
||
#include <stddef.h>
|
||
#include <stdint.h>
|
||
|
||
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
||
|
||
#include "` + bindingInclude + `"
|
||
|
||
#ifdef __cplusplus
|
||
extern "C" {
|
||
#endif
|
||
|
||
`)
|
||
|
||
foundTypesList := getReferencedTypes(src)
|
||
|
||
ret.WriteString("#ifdef __cplusplus\n")
|
||
|
||
for _, ft := range foundTypesList {
|
||
if ft == "QList" || ft == "QString" { // These types are reprojected
|
||
continue
|
||
}
|
||
|
||
if strings.Contains(ft, `::`) {
|
||
// Forward declarations of inner classes are not yet supported in C++
|
||
// @ref https://stackoverflow.com/q/1021793
|
||
|
||
ret.WriteString(`#if defined(WORKAROUND_INNER_CLASS_DEFINITION_` + cabiClassName(ft) + ")\n")
|
||
ret.WriteString(`typedef ` + ft + " " + cabiClassName(ft) + ";\n")
|
||
ret.WriteString("#else\n")
|
||
ret.WriteString(`class ` + cabiClassName(ft) + ";\n")
|
||
ret.WriteString("#endif\n")
|
||
|
||
} else {
|
||
ret.WriteString(`class ` + ft + ";\n")
|
||
}
|
||
}
|
||
|
||
ret.WriteString("#else\n")
|
||
|
||
for _, ft := range foundTypesList {
|
||
if ft == "QList" || ft == "QString" { // These types are reprojected
|
||
continue
|
||
}
|
||
ret.WriteString(`typedef struct ` + cabiClassName(ft) + " " + cabiClassName(ft) + ";\n")
|
||
}
|
||
|
||
ret.WriteString("#endif\n")
|
||
|
||
ret.WriteString("\n")
|
||
|
||
for _, c := range src.Classes {
|
||
|
||
cClassName := cabiClassName(c.ClassName)
|
||
|
||
for i, ctor := range c.Ctors {
|
||
ret.WriteString(fmt.Sprintf("%s %s_new%s(%s);\n", cClassName+"*", cClassName, maybeSuffix(i), emitParametersCabi(ctor, "")))
|
||
}
|
||
|
||
for _, m := range c.Methods {
|
||
ret.WriteString(fmt.Sprintf("%s %s_%s(%s);\n", m.ReturnType.RenderTypeCabi(), cClassName, m.SafeMethodName(), emitParametersCabi(m, ifv(m.IsConst, "const ", "")+cClassName+"*")))
|
||
|
||
if m.IsSignal {
|
||
ret.WriteString(fmt.Sprintf("%s %s_connect_%s(%s* self, intptr_t slot);\n", m.ReturnType.RenderTypeCabi(), cClassName, m.SafeMethodName(), cClassName))
|
||
}
|
||
}
|
||
|
||
// delete
|
||
if c.CanDelete {
|
||
ret.WriteString(fmt.Sprintf("void %s_Delete(%s* self);\n", cClassName, cClassName))
|
||
}
|
||
|
||
ret.WriteString("\n")
|
||
}
|
||
|
||
ret.WriteString(
|
||
`#ifdef __cplusplus
|
||
} /* extern C */
|
||
#endif
|
||
|
||
#endif
|
||
`)
|
||
return ret.String(), nil
|
||
}
|
||
|
||
func emitBindingCpp(src *CppParsedHeader, filename string) (string, error) {
|
||
ret := strings.Builder{}
|
||
|
||
for _, ref := range getReferencedTypes(src) {
|
||
if !ImportHeaderForClass(ref) {
|
||
continue
|
||
}
|
||
|
||
if ref == "QString" {
|
||
ret.WriteString("#include <QString>\n")
|
||
ret.WriteString("#include <QByteArray>\n")
|
||
ret.WriteString("#include <cstring>\n")
|
||
continue
|
||
}
|
||
|
||
if strings.Contains(ref, `::`) {
|
||
ret.WriteString(`#define WORKAROUND_INNER_CLASS_DEFINITION_` + cabiClassName(ref) + "\n")
|
||
continue
|
||
}
|
||
|
||
ret.WriteString(`#include <` + ref + ">\n")
|
||
}
|
||
|
||
ret.WriteString(`#include <` + filename + ">\n")
|
||
ret.WriteString(`#include "gen_` + filename + "\"\n")
|
||
ret.WriteString("#include \"_cgo_export.h\"\n\n")
|
||
|
||
for _, c := range src.Classes {
|
||
|
||
cClassName := cabiClassName(c.ClassName)
|
||
|
||
for i, ctor := range c.Ctors {
|
||
|
||
preamble, forwarding := emitParametersCABI2CppForwarding(ctor.Parameters, "\t")
|
||
|
||
if ctor.LinuxOnly {
|
||
|
||
ret.WriteString(fmt.Sprintf(
|
||
"%s* %s_new%s(%s) {\n"+
|
||
"#ifdef Q_OS_LINUX\n"+
|
||
"%s"+
|
||
"\treturn new %s(%s);\n"+
|
||
"#else\n"+
|
||
"\treturn nullptr;\n"+
|
||
"#endif\n"+
|
||
"}\n"+
|
||
"\n",
|
||
cClassName, cClassName, maybeSuffix(i), emitParametersCabi(ctor, ""),
|
||
preamble,
|
||
c.ClassName, forwarding,
|
||
))
|
||
|
||
} else {
|
||
ret.WriteString(fmt.Sprintf(
|
||
"%s* %s_new%s(%s) {\n"+
|
||
"%s"+
|
||
"\treturn new %s(%s);\n"+
|
||
"}\n"+
|
||
"\n",
|
||
cClassName, cClassName, maybeSuffix(i), emitParametersCabi(ctor, ""),
|
||
preamble,
|
||
c.ClassName, forwarding,
|
||
))
|
||
|
||
}
|
||
|
||
}
|
||
|
||
for _, m := range c.Methods {
|
||
// Need to take an extra 'self' parameter
|
||
|
||
preamble, forwarding := emitParametersCABI2CppForwarding(m.Parameters, "\t")
|
||
|
||
// callTarget is an rvalue representing the full C++ function call.
|
||
callTarget := "self->"
|
||
if m.IsStatic {
|
||
callTarget = c.ClassName + "::"
|
||
}
|
||
|
||
callTarget += m.CppCallTarget() + "(" + forwarding + ")"
|
||
|
||
if m.LinuxOnly {
|
||
ret.WriteString(fmt.Sprintf(
|
||
"%s %s_%s(%s) {\n"+
|
||
"#ifdef Q_OS_LINUX\n"+
|
||
"%s"+
|
||
"%s"+
|
||
"#else\n"+
|
||
"\t%s _ret_invalidOS;\n"+
|
||
"\treturn _ret_invalidOS;\n"+
|
||
"#endif\n"+
|
||
"}\n"+
|
||
"\n",
|
||
m.ReturnType.RenderTypeCabi(), cClassName, m.SafeMethodName(), emitParametersCabi(m, ifv(m.IsConst, "const ", "")+cClassName+"*"),
|
||
preamble,
|
||
emitAssignCppToCabi("\treturn ", m.ReturnType, callTarget),
|
||
m.ReturnType.RenderTypeCabi(),
|
||
))
|
||
|
||
} else {
|
||
|
||
ret.WriteString(fmt.Sprintf(
|
||
"%s %s_%s(%s) {\n"+
|
||
"%s"+
|
||
"%s"+
|
||
"}\n"+
|
||
"\n",
|
||
m.ReturnType.RenderTypeCabi(), cClassName, m.SafeMethodName(), emitParametersCabi(m, ifv(m.IsConst, "const ", "")+cClassName+"*"),
|
||
preamble,
|
||
emitAssignCppToCabi("\treturn ", m.ReturnType, callTarget),
|
||
))
|
||
|
||
}
|
||
|
||
if m.IsSignal {
|
||
|
||
bindingFunc := "miqt_exec_callback_" + cabiClassName(c.ClassName) + "_" + m.SafeMethodName()
|
||
|
||
// If there are hidden parameters, the type of the signal itself
|
||
// needs to include them
|
||
exactSignal := `static_cast<void (` + c.ClassName + `::*)(` + emitParameterTypesCpp(m, true) + `)` + ifv(m.IsConst, ` const`, ``) + `>(&` + c.ClassName + `::` + m.CppCallTarget() + `)`
|
||
|
||
paramArgs := []string{"slot"}
|
||
paramArgDefs := []string{"intptr_t cb"}
|
||
|
||
var signalCode string
|
||
|
||
for i, p := range m.Parameters {
|
||
signalCode += emitAssignCppToCabi(fmt.Sprintf("\t\t%s sigval%d = ", p.RenderTypeCabi(), i+1), p, p.ParameterName)
|
||
paramArgs = append(paramArgs, fmt.Sprintf("sigval%d", i+1))
|
||
paramArgDefs = append(paramArgDefs, p.RenderTypeCabi()+" "+p.ParameterName)
|
||
}
|
||
|
||
signalCode += "\t\t" + bindingFunc + "(" + strings.Join(paramArgs, `, `) + ");\n"
|
||
|
||
ret.WriteString(
|
||
`void ` + cClassName + `_connect_` + m.SafeMethodName() + `(` + cClassName + `* self, intptr_t slot) {` + "\n" +
|
||
"\t" + c.ClassName + `::connect(self, ` + exactSignal + `, self, [=](` + emitParametersCpp(m) + `) {` + "\n" +
|
||
signalCode +
|
||
"\t});\n" +
|
||
"}\n" +
|
||
"\n",
|
||
)
|
||
}
|
||
|
||
}
|
||
|
||
// Delete
|
||
if c.CanDelete {
|
||
ret.WriteString(fmt.Sprintf(
|
||
"void %s_Delete(%s* self) {\n"+
|
||
"\tdelete self;\n"+
|
||
"}\n"+
|
||
"\n",
|
||
cClassName, cClassName,
|
||
))
|
||
}
|
||
}
|
||
|
||
return ret.String(), nil
|
||
}
|