mirror of https://github.com/mappu/miqt.git
762 lines
23 KiB
Go
762 lines
23 KiB
Go
package main
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import (
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"fmt"
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"sort"
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"strings"
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)
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func (p CppParameter) RenderTypeCabi() string {
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ret := p.ParameterType
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switch p.ParameterType {
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case "uchar":
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ret = "unsigned char"
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case "uint":
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ret = "unsigned int"
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case "ulong":
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ret = "unsigned long"
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case "qint8":
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ret = "int8_t"
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case "quint8":
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ret = "uint8_t"
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case "qint16", "short":
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ret = "int16_t"
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case "quint16", "ushort", "unsigned short":
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ret = "uint16_t"
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case "qint32":
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ret = "int32_t"
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case "quint32":
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ret = "uint32_t"
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case "qlonglong", "qint64":
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ret = "int64_t"
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case "qulonglong", "quint64":
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ret = "uint64_t"
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case "qfloat16":
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ret = "_Float16" // No idea where this typedef comes from, but it exists
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case "qsizetype":
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ret = "size_t"
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case "qreal":
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ret = "double"
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case "qintptr":
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ret = "intptr_t"
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case "quintptr", "uintptr":
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ret = "uintptr_t"
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case "qptrdiff":
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ret = "ptrdiff_t"
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}
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if p.Const {
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// This is needed for const-correctness for calling some overloads
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// e.g. QShortcut ctor taking (QWidget* parent, const char* member) signal -
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// the signal/slot requires that member is const, not just plain char*
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ret = "const " + ret
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}
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if p.IsFlagType() {
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ret = "int"
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} else if strings.Contains(p.ParameterType, `::`) {
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if p.IsEnum() {
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ret = "uintptr_t"
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} else {
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// Inner class
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ret = cabiClassName(p.ParameterType)
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}
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}
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if p.Pointer {
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ret += strings.Repeat("*", p.PointerCount)
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} else if p.ByRef {
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ret += "*"
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}
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return ret // ignore const
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}
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func emitReturnTypeCabi(p CppParameter) string {
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if p.ParameterType == "QString" {
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return "void" // Will be handled separately
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} else if _, ok := p.QListOf(); ok {
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return "void" // Will be handled separately
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} else if (p.Pointer || p.ByRef) && p.QtClassType() {
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return cabiClassName(p.ParameterType) + "*" // CABI type
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} else if p.QtClassType() && !p.Pointer {
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// Even if C++ returns by value, CABI is returning a heap copy (new'd, not malloc'd)
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return cabiClassName(p.ParameterType) + "*" // CABI type
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// return "void" // Handled separately with an _out pointer
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} else {
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return p.RenderTypeCabi()
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}
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}
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func (p CppParameter) RenderTypeQtCpp() string {
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cppType := p.UnderlyingType()
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if p.Const {
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cppType = "const " + cppType
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}
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if p.Pointer {
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cppType += strings.Repeat("*", p.PointerCount)
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}
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if p.ByRef {
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cppType += "&"
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}
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return cppType
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}
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// emitParametersCpp emits the parameter definitions exactly how Qt C++ defines them.
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func emitParametersCpp(m CppMethod) string {
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tmp := make([]string, 0, len(m.Parameters))
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for _, p := range m.Parameters {
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tmp = append(tmp, p.RenderTypeQtCpp()+" "+p.ParameterName)
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}
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return strings.Join(tmp, `, `)
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}
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func emitParameterTypesCpp(m CppMethod, includeHidden bool) string {
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tmp := make([]string, 0, len(m.Parameters))
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for _, p := range m.Parameters {
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tmp = append(tmp, p.RenderTypeQtCpp())
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}
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if includeHidden {
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for _, p := range m.HiddenParams {
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tmp = append(tmp, p.RenderTypeQtCpp())
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}
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}
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return strings.Join(tmp, `, `)
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}
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func emitParametersCabi(m CppMethod, selfType string) string {
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tmp := make([]string, 0, len(m.Parameters)+1)
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if !m.IsStatic && selfType != "" {
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tmp = append(tmp, selfType+" self")
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}
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for _, p := range m.Parameters {
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if p.ParameterType == "QString" {
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// The Go code has called this with two arguments: char* and len
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// Declare that we take two parameters
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tmp = append(tmp, "const char* "+p.ParameterName+", size_t "+p.ParameterName+"_Strlen")
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} else if t, ok := p.QListOf(); ok {
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if t.ParameterType == "QString" {
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// Combo
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tmp = append(tmp, "char** "+p.ParameterName+", uint64_t* "+p.ParameterName+"_Lengths, size_t "+p.ParameterName+"_len")
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} else if t.QtClassType() && !t.Pointer {
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// The Go code can only work with Qt types as pointers, so the CABI needs to take an array of
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// pointers, not an array of values
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// Needs one more level of indirection
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tmp = append(tmp, t.RenderTypeCabi()+"** "+p.ParameterName+", size_t "+p.ParameterName+"_len")
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} else {
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// The Go code has called this with two arguments: T* and len
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// Declare that we take two parameters
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tmp = append(tmp, t.RenderTypeCabi()+"* "+p.ParameterName+", size_t "+p.ParameterName+"_len")
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}
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} else if p.QtClassType() {
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if p.ByRef || p.Pointer {
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// Pointer to Qt type
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// Replace with taking our PQ typedef by value
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tmp = append(tmp, cabiClassName(p.ParameterType)+"* "+p.ParameterName)
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} else {
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// Qt type passed by value
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// The CABI will unconditionally take these by pointer and dereference them
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// when passing to C++
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tmp = append(tmp, cabiClassName(p.ParameterType)+"* "+p.ParameterName)
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}
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} else {
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// RenderTypeCabi renders both pointer+reference as pointers
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tmp = append(tmp, p.RenderTypeCabi()+" "+p.ParameterName)
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}
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}
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// If the return type is QString, we need to handle returns via extra CABI
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// parameters
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// Qt C++: memory is in QString RAII
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// CABI: memory is moved into C.malloc/C.free
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// Go: converted to native Go string
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if m.ReturnType.ParameterType == "QString" {
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// Normally we would use size_t for a strlen, but Go calls C.GoStringN which takes a C.int
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tmp = append(tmp, "char** _out, int* _out_Strlen")
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} else if t, ok := m.ReturnType.QListOf(); ok {
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// +1 pointer indirection since it's a heap array
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// +1 pointer indirection for mutating remote parameter
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// = 3 for char*, 2 for most types
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// Maybe: +1 pointer indirection if we have to lift stack types to the heap
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if t.ParameterType == "QString" {
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// Combo
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tmp = append(tmp, "char*** _out, int** _out_Lengths, size_t* _out_len") // Each length is a C.int for C.GoStringN use
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} else if t.QtClassType() && !t.Pointer {
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// QList<QByteArray> QByteArray::Split()
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// We need to pointer-ify each of the interior elements too
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tmp = append(tmp, t.RenderTypeCabi()+"*** _out, size_t* _out_len")
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} else {
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tmp = append(tmp, t.RenderTypeCabi()+"** _out, size_t* _out_len")
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}
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}
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return strings.Join(tmp, ", ")
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}
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func emitParametersCABI2CppForwarding(params []CppParameter) (preamble string, forwarding string) {
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tmp := make([]string, 0, len(params)+1)
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for _, p := range params {
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if p.ParameterType == "QString" {
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// The CABI has accepted two parameters - need to convert to one real QString
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// Create it on the stack
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preamble += "\tQString " + p.ParameterName + "_QString = QString::fromUtf8(" + p.ParameterName + ", " + p.ParameterName + "_Strlen);\n"
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tmp = append(tmp, p.ParameterName+"_QString")
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} else if listType, ok := p.QListOf(); ok {
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if listType.ParameterType == "QString" {
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// Combo (3 parameters)
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preamble += "\t" + p.ParameterType + " " + p.ParameterName + "_QList;\n"
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preamble += "\t" + p.ParameterName + "_QList.reserve(" + p.ParameterName + "_len);\n"
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preamble += "\tfor(size_t i = 0; i < " + p.ParameterName + "_len; ++i) {\n"
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preamble += "\t\t" + p.ParameterName + "_QList.push_back(QString::fromUtf8(" + p.ParameterName + "[i], " + p.ParameterName + "_Lengths[i]));\n"
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preamble += "\t}\n"
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tmp = append(tmp, p.ParameterName+"_QList")
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} else {
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// The CABI has accepted two parameters - need to convert to one real QList<>
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// Create it on the stack
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preamble += "\t" + p.ParameterType + " " + p.ParameterName + "_QList;\n"
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preamble += "\t" + p.ParameterName + "_QList.reserve(" + p.ParameterName + "_len);\n"
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preamble += "\tfor(size_t i = 0; i < " + p.ParameterName + "_len; ++i) {\n"
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if listType.QtClassType() && !listType.Pointer {
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preamble += "\t\t" + p.ParameterName + "_QList.push_back(*(" + p.ParameterName + "[i]));\n"
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} else if listType.IsFlagType() {
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preamble += "\t\t" + p.ParameterName + "_QList.push_back(static_cast<" + listType.RenderTypeQtCpp() + ">(" + p.ParameterName + "[i]));\n"
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} else {
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preamble += "\t\t" + p.ParameterName + "_QList.push_back(" + p.ParameterName + "[i]);\n"
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}
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preamble += "\t}\n"
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tmp = append(tmp, p.ParameterName+"_QList")
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}
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} else if p.IntType() {
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// Use the raw ParameterType to select an explicit integer overload
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// Don't use RenderTypeCabi() since it canonicalizes some int types for CABI
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castSrc := p.ParameterName
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castType := p.RenderTypeQtCpp()
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if p.ByRef { // e.g. QDataStream::operator>>() overloads
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castSrc = "*" + castSrc
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}
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if p.ParameterType == "qint64" ||
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p.ParameterType == "quint64" ||
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p.ParameterType == "qlonglong" ||
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p.ParameterType == "qulonglong" ||
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p.ParameterType == "qint8" {
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// QDataStream::operator>>() by reference (qint64)
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// QLockFile::getLockInfo() by pointer
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// QTextStream::operator>>() by reference (qlonglong + qulonglong)
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// QDataStream::operator>>() qint8
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// CABI has these as int64_t* (long int) which fails a static_cast to qint64& (long long int&)
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// Hack a hard C-style cast
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tmp = append(tmp, "("+castType+")("+castSrc+")")
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} else {
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// Use static_cast<> safely
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tmp = append(tmp, "static_cast<"+castType+">("+castSrc+")")
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}
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} else if p.ByRef {
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if p.Pointer {
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// By ref and by pointer
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// This happens for QDataStream &QDataStream::operator>>(char *&s)
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// We are only using one level of indirection
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tmp = append(tmp, p.ParameterName)
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} else {
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// By ref and not by pointer
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// We changed RenderTypeCabi() to render this as a pointer
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// Need to dereference so we can pass as reference to the actual Qt C++ function
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//tmp = append(tmp, "*"+p.ParameterName)
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tmp = append(tmp, "*"+p.ParameterName)
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}
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} else if p.QtClassType() && !p.Pointer {
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// CABI takes all Qt types by pointer, even if C++ wants them by value
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// Dereference the passed-in pointer
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tmp = append(tmp, "*"+p.ParameterName)
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// } else if p.QtClassType() && p.Pointer {
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// We need this static_cast<> anyway to convert from PQt (void*) to
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// the real Qt type
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// tmp = append(tmp, "static_cast<"+p.ParameterType+"*>("+p.ParameterName+")")
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} else {
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tmp = append(tmp, p.ParameterName)
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}
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}
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return preamble, strings.Join(tmp, ", ")
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}
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// getReferencedTypes finds all referenced Qt types in this file.
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func getReferencedTypes(src *CppParsedHeader) []string {
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foundTypes := map[string]struct{}{}
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for _, c := range src.Classes {
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foundTypes[c.ClassName] = struct{}{}
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for _, ctor := range c.Ctors {
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for _, p := range ctor.Parameters {
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if p.QtClassType() {
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foundTypes[p.ParameterType] = struct{}{}
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}
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if t, ok := p.QListOf(); ok {
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foundTypes["QList"] = struct{}{} // FIXME or QVector?
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if t.QtClassType() {
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foundTypes[t.ParameterType] = struct{}{}
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}
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}
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}
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}
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for _, m := range c.Methods {
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for _, p := range m.Parameters {
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if p.QtClassType() {
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foundTypes[p.ParameterType] = struct{}{}
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}
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if t, ok := p.QListOf(); ok {
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foundTypes["QList"] = struct{}{} // FIXME or QVector?
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if t.QtClassType() {
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foundTypes[t.ParameterType] = struct{}{}
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}
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}
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}
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if m.ReturnType.QtClassType() {
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foundTypes[m.ReturnType.ParameterType] = struct{}{}
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}
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if t, ok := m.ReturnType.QListOf(); ok {
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foundTypes["QList"] = struct{}{} // FIXME or QVector?
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if t.QtClassType() {
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foundTypes[t.ParameterType] = struct{}{}
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}
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}
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}
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}
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// Some types (e.g. QRgb) are found but are typedefs, not classes
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for _, td := range src.Typedefs {
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delete(foundTypes, td.Alias)
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}
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// Convert to sorted list
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foundTypesList := make([]string, 0, len(foundTypes))
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for ft := range foundTypes {
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if strings.HasPrefix(ft, "QList<") || strings.HasPrefix(ft, "QVector<") {
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continue
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}
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if strings.HasSuffix(ft, "Private") { // qbrush.h finds QGradientPrivate
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continue
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}
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foundTypesList = append(foundTypesList, ft)
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}
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sort.Strings(foundTypesList)
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return foundTypesList
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}
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// cabiClassName returns the Go / CABI class name for a Qt C++ class.
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// Normally this is the same, except for class types that are nested inside another class definition.
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func cabiClassName(className string) string {
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// Many types are defined in qnamespace.h under Qt::
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// The Go implementation is always called qt.Foo, and these names don't
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// collide with anything, so strip the redundant prefix
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className = strings.TrimPrefix(className, `Qt::`)
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// Must use __ to avoid subclass/method name collision e.g. QPagedPaintDevice::Margins
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return strings.Replace(className, `::`, `__`, -1)
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}
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func emitBindingHeader(src *CppParsedHeader, filename string) (string, error) {
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ret := strings.Builder{}
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includeGuard := "GEN_" + strings.ToUpper(strings.Replace(filename, `.`, `_`, -1))
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ret.WriteString(`#ifndef ` + includeGuard + `
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#define ` + includeGuard + `
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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#ifdef __cplusplus
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extern "C" {
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#endif
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`)
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foundTypesList := getReferencedTypes(src)
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ret.WriteString("#ifdef __cplusplus\n")
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for _, ft := range foundTypesList {
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if ft == "QList" || ft == "QString" { // These types are reprojected
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continue
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}
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if strings.Contains(ft, `::`) {
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// Forward declarations of inner classes are not yet supported in C++
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// @ref https://stackoverflow.com/q/1021793
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ret.WriteString(`#if defined(WORKAROUND_INNER_CLASS_DEFINITION_` + cabiClassName(ft) + ")\n")
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ret.WriteString(`typedef ` + ft + " " + cabiClassName(ft) + ";\n")
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ret.WriteString("#else\n")
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ret.WriteString(`class ` + cabiClassName(ft) + ";\n")
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ret.WriteString("#endif\n")
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} else {
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ret.WriteString(`class ` + ft + ";\n")
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}
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}
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ret.WriteString("#else\n")
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for _, ft := range foundTypesList {
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if ft == "QList" || ft == "QString" { // These types are reprojected
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continue
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}
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ret.WriteString(`typedef struct ` + cabiClassName(ft) + " " + cabiClassName(ft) + ";\n")
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}
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ret.WriteString("#endif\n")
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ret.WriteString("\n")
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for _, c := range src.Classes {
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cClassName := cabiClassName(c.ClassName)
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for i, ctor := range c.Ctors {
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ret.WriteString(fmt.Sprintf("%s %s_new%s(%s);\n", cClassName+"*", cClassName, maybeSuffix(i), emitParametersCabi(ctor, "")))
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}
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for _, m := range c.Methods {
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ret.WriteString(fmt.Sprintf("%s %s_%s(%s);\n", emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), emitParametersCabi(m, cClassName+"*")))
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if m.IsSignal {
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ret.WriteString(fmt.Sprintf("%s %s_connect_%s(%s* self, void* slot);\n", emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), cClassName))
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}
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}
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// delete
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if c.CanDelete {
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ret.WriteString(fmt.Sprintf("void %s_Delete(%s* self);\n", cClassName, cClassName))
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}
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ret.WriteString("\n")
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}
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ret.WriteString(
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`#ifdef __cplusplus
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} /* extern C */
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#endif
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#endif
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`)
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return ret.String(), nil
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}
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func emitBindingCpp(src *CppParsedHeader, filename string) (string, error) {
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ret := strings.Builder{}
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for _, ref := range getReferencedTypes(src) {
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if !ImportHeaderForClass(ref) {
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continue
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}
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|
|
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\n")
|
|
ret.WriteString(`#include "gen_` + filename + "\"\n")
|
|
ret.WriteString(`
|
|
extern "C" {
|
|
extern void miqt_exec_callback(void* cb, int argc, void* argv);
|
|
}
|
|
|
|
`)
|
|
|
|
for _, c := range src.Classes {
|
|
|
|
cClassName := cabiClassName(c.ClassName)
|
|
|
|
for i, ctor := range c.Ctors {
|
|
|
|
preamble, forwarding := emitParametersCABI2CppForwarding(ctor.Parameters)
|
|
|
|
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
|
|
|
|
shouldReturn := "return "
|
|
afterCall := ""
|
|
|
|
if m.ReturnType.ParameterType == "void" && !m.ReturnType.Pointer {
|
|
shouldReturn = ""
|
|
|
|
} else if m.ReturnType.ParameterType == "QString" {
|
|
|
|
if m.ReturnType.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 = "QString* ret = "
|
|
afterCall = "\t// Convert QString pointer from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
|
|
afterCall += "\tQByteArray b = ret->toUtf8();\n"
|
|
|
|
} else {
|
|
shouldReturn = "QString ret = "
|
|
afterCall = "\t// Convert QString from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
|
|
afterCall += "\tQByteArray b = ret.toUtf8();\n"
|
|
}
|
|
if m.ReturnType.Const {
|
|
shouldReturn = "const " + shouldReturn
|
|
}
|
|
afterCall += "\t*_out = static_cast<char*>(malloc(b.length()));\n"
|
|
afterCall += "\tmemcpy(*_out, b.data(), b.length());\n"
|
|
afterCall += "\t*_out_Strlen = b.length();\n"
|
|
|
|
} else if t, ok := m.ReturnType.QListOf(); ok {
|
|
|
|
if t.ParameterType == "QString" {
|
|
// Combo
|
|
// "char** _out, int64_t* _out_Lengths, size_t* _out_len")
|
|
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\t// Convert QStringList from C++ memory to manually-managed C memory\n"
|
|
afterCall += "\tchar** __out = static_cast<char**>(malloc(sizeof(char*) * ret.length()));\n"
|
|
afterCall += "\tint* __out_Lengths = static_cast<int*>(malloc(sizeof(int) * ret.length()));\n"
|
|
afterCall += "\tfor (size_t i = 0, e = ret.length(); i < e; ++i) {\n"
|
|
afterCall += "\t\t// Convert QString from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
|
|
afterCall += "\t\tQByteArray b = ret[i].toUtf8();\n"
|
|
afterCall += "\t\t__out[i] = static_cast<char*>(malloc(b.length()));\n"
|
|
afterCall += "\t\tmemcpy(__out[i], b.data(), b.length());\n"
|
|
afterCall += "\t\t__out_Lengths[i] = b.length();\n"
|
|
afterCall += "\t}\n"
|
|
afterCall += "\t*_out = __out;\n"
|
|
afterCall += "\t*_out_Lengths = __out_Lengths;\n"
|
|
afterCall += "\t*_out_len = ret.length();\n"
|
|
|
|
} else if !t.QtClassType() || (t.QtClassType() && t.Pointer) { // QList<int>, QList<QFoo*>
|
|
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\t// Convert QList<> from C++ memory to manually-managed C memory\n"
|
|
afterCall += "\t" + t.RenderTypeCabi() + "* __out = static_cast<" + t.RenderTypeCabi() + "*>(malloc(sizeof(" + t.RenderTypeCabi() + ") * ret.length()));\n"
|
|
afterCall += "\tfor (size_t i = 0, e = ret.length(); i < e; ++i) {\n"
|
|
if t.Const {
|
|
nonConst := t // copy
|
|
nonConst.Const = false
|
|
afterCall += "\t\t__out[i] = const_cast<" + t.RenderTypeCabi() + ">(ret[i]);\n"
|
|
} else {
|
|
afterCall += "\t\t__out[i] = ret[i];\n"
|
|
}
|
|
afterCall += "\t}\n"
|
|
afterCall += "\t*_out = __out;\n"
|
|
afterCall += "\t*_out_len = ret.length();\n"
|
|
|
|
} else { // QList<QFoo>
|
|
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\t// Convert QList<> from C++ memory to manually-managed C memory of copy-constructed pointers\n"
|
|
afterCall += "\t" + t.RenderTypeCabi() + "** __out = static_cast<" + t.RenderTypeCabi() + "**>(malloc(sizeof(" + t.RenderTypeCabi() + "**) * ret.length()));\n"
|
|
afterCall += "\tfor (size_t i = 0, e = ret.length(); i < e; ++i) {\n"
|
|
afterCall += "\t\t__out[i] = new " + t.ParameterType + "(ret[i]);\n"
|
|
afterCall += "\t}\n"
|
|
afterCall += "\t*_out = __out;\n"
|
|
afterCall += "\t*_out_len = ret.length();\n"
|
|
|
|
}
|
|
|
|
} else if m.ReturnType.QtClassType() && m.ReturnType.ByRef {
|
|
// It's a pointer in disguise, just needs one cast
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\t// Cast returned reference into pointer\n"
|
|
if m.ReturnType.Const {
|
|
nonConst := m.ReturnType // copy
|
|
nonConst.Const = false
|
|
nonConst.ByRef = false
|
|
nonConst.Pointer = true
|
|
nonConst.PointerCount = 1
|
|
afterCall += "\treturn const_cast<" + nonConst.RenderTypeQtCpp() + ">(&ret);\n"
|
|
} else {
|
|
afterCall += "\treturn &ret;\n"
|
|
}
|
|
|
|
} else if m.ReturnType.QtClassType() && !m.ReturnType.Pointer {
|
|
shouldReturn = m.ReturnType.ParameterType + " ret = "
|
|
afterCall = "\t// Copy-construct value returned type into heap-allocated copy\n"
|
|
afterCall += "\treturn static_cast<" + m.ReturnType.ParameterType + "*>(new " + m.ReturnType.ParameterType + "(ret));\n"
|
|
|
|
} else if m.ReturnType.Const {
|
|
shouldReturn += "(" + emitReturnTypeCabi(m.ReturnType) + ") "
|
|
|
|
} else if m.ReturnType.IsFlagType() {
|
|
// Needs an explicit int cast
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\treturn static_cast<int>(ret);\n"
|
|
|
|
} else if m.ReturnType.IsEnum() {
|
|
// Needs an explicit uintptr cast
|
|
shouldReturn = m.ReturnType.RenderTypeQtCpp() + " ret = "
|
|
afterCall += "\treturn static_cast<uintptr_t>(ret);\n"
|
|
|
|
}
|
|
|
|
preamble, forwarding := emitParametersCABI2CppForwarding(m.Parameters)
|
|
|
|
nativeMethodName := m.MethodName
|
|
if m.OverrideMethodName != "" {
|
|
nativeMethodName = m.OverrideMethodName
|
|
}
|
|
|
|
callTarget := "self->"
|
|
if m.IsStatic {
|
|
callTarget = c.ClassName + "::"
|
|
|
|
} else if m.IsConst {
|
|
callTarget = "const_cast<const " + c.ClassName + "*>(self)->"
|
|
}
|
|
|
|
if m.LinuxOnly {
|
|
ret.WriteString(fmt.Sprintf(
|
|
"%s %s_%s(%s) {\n"+
|
|
"#ifdef Q_OS_LINUX\n"+
|
|
"%s"+
|
|
"\t%s%s%s(%s);\n"+
|
|
"%s"+
|
|
"#else\n"+
|
|
"\t%s _ret_invalidOS;\n"+
|
|
"\treturn _ret_invalidOS;\n"+
|
|
"#endif\n"+
|
|
"}\n"+
|
|
"\n",
|
|
emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), emitParametersCabi(m, cClassName+"*"),
|
|
preamble,
|
|
shouldReturn, callTarget, nativeMethodName, forwarding,
|
|
afterCall,
|
|
emitReturnTypeCabi(m.ReturnType),
|
|
))
|
|
|
|
} else {
|
|
|
|
ret.WriteString(fmt.Sprintf(
|
|
"%s %s_%s(%s) {\n"+
|
|
"%s"+
|
|
"\t%s%s%s(%s);\n"+
|
|
"%s"+
|
|
"}\n"+
|
|
"\n",
|
|
emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), emitParametersCabi(m, cClassName+"*"),
|
|
preamble,
|
|
shouldReturn, callTarget, nativeMethodName, forwarding,
|
|
afterCall,
|
|
))
|
|
|
|
}
|
|
|
|
if m.IsSignal {
|
|
// If there are hidden parameters, the type of the signal itself
|
|
// needs to include them
|
|
exactSignal := `static_cast<void (` + c.ClassName + `::*)(` + emitParameterTypesCpp(m, true) + `)>(&` + c.ClassName + `::` + nativeMethodName + `)`
|
|
|
|
ret.WriteString(
|
|
`void ` + cClassName + `_connect_` + m.SafeMethodName() + `(` + cClassName + `* self, void* slot) {` + "\n" +
|
|
"\t" + c.ClassName + `::connect(self, ` + exactSignal + `, self, [=](` + emitParametersCpp(m) + `) {` + "\n" +
|
|
"\t\t" + `miqt_exec_callback(slot, 0, nullptr);` + "\n" +
|
|
"\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
|
|
}
|