mirror of https://github.com/mappu/miqt.git
752 lines
24 KiB
Go
752 lines
24 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 "struct miqt_string*"
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} else if _, ok := p.QListOf(); ok {
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return "struct miqt_array*"
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} else if (p.Pointer || p.ByRef) && p.QtClassType() {
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return cabiClassName(p.ParameterType) + "*"
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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) + "*"
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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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tmp = append(tmp, "struct miqt_string* "+p.ParameterName)
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} else if t, ok := p.QListOf(); ok {
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tmp = append(tmp, "struct miqt_array* /* of "+t.RenderTypeCabi()+" */ "+p.ParameterName)
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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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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 + "->data, " + p.ParameterName + "->len);\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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// miqt_array<miqt_string*>
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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 += "\tmiqt_string** " + p.ParameterName + "_arr = static_cast<miqt_string**>(" + p.ParameterName + "->data);\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 + "_arr[i]->data, " + p.ParameterName + "_arr[i]->len));\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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if listType.QtClassType() && !listType.Pointer {
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preamble += "\t" + listType.PointerTo().RenderTypeCabi() + "* " + p.ParameterName + "_arr = static_cast<" + listType.PointerTo().RenderTypeCabi() + "*>(" + p.ParameterName + "->data);\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(*(" + p.ParameterName + "_arr[i]));\n"
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} else if listType.IsFlagType() {
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preamble += "\t" + listType.RenderTypeCabi() + "* " + p.ParameterName + "_arr = static_cast<" + listType.RenderTypeCabi() + "*>(" + p.ParameterName + "->data);\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(static_cast<" + listType.RenderTypeQtCpp() + ">(" + p.ParameterName + "_arr[i]));\n"
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} else {
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preamble += "\t" + listType.RenderTypeCabi() + "* " + p.ParameterName + "_arr = static_cast<" + listType.RenderTypeCabi() + "*>(" + p.ParameterName + "->data);\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(" + p.ParameterName + "_arr[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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// emitAssignCppToCabi transforms and assigns rvalue to the assignExpression.
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// Sample assignExpression: `return `, `auto foo = `
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// Sample rvalue: `foo`, `foo(xyz)`
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// The return is a complete statement including trailing newline.
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func emitAssignCppToCabi(assignExpression string, p CppParameter, rvalue string) string {
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shouldReturn := assignExpression // n.b. already has indent
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afterCall := ""
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assignExpression = strings.TrimLeft(assignExpression, " \t")
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indent := shouldReturn[0 : len(shouldReturn)-len(assignExpression)]
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shouldReturn = shouldReturn[len(indent):]
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namePrefix := p.ParameterName // TODO make unique, strip out [0], etc
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if p.ParameterType == "void" && !p.Pointer {
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shouldReturn = ""
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} else if p.ParameterType == "QString" {
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if p.Pointer {
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// e.g. QTextStream::String()
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// These are rare, and probably expected to be lightweight references
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// But, a copy is the best we can project it as
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// Un-pointer-ify
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shouldReturn = ifv(p.Const, "const ", "") + "QString* " + namePrefix + "_ret = "
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afterCall = indent + "// Convert QString pointer from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
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afterCall += indent + "QByteArray " + namePrefix + "_b = " + namePrefix + "_ret->toUtf8();\n"
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} else {
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shouldReturn = ifv(p.Const, "const ", "") + "QString " + p.ParameterName + "_ret = "
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afterCall = indent + "// Convert QString from UTF-16 in C++ RAII memory to UTF-8 in manually-managed C memory\n"
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afterCall += indent + "QByteArray " + namePrefix + "_b = " + namePrefix + "_ret.toUtf8();\n"
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}
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afterCall += indent + assignExpression + "miqt_strdup(" + namePrefix + "_b.data(), " + namePrefix + "_b.length());\n"
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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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// "char** _out, int64_t* _out_Lengths, size_t* _out_len")
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "// Convert QStringList from C++ memory to manually-managed C memory\n"
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afterCall += indent + "struct miqt_string** " + namePrefix + "_arr = static_cast<struct miqt_string**>(malloc(sizeof(struct miqt_string*) * " + namePrefix + "_ret.length()));\n"
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afterCall += indent + "for (size_t i = 0, e = " + namePrefix + "_ret.length(); i < e; ++i) {\n"
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afterCall += emitAssignCppToCabi(indent+"\t"+namePrefix+"_arr[i] = ", t, namePrefix+"_ret[i]")
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afterCall += indent + "}\n"
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afterCall += indent + "struct miqt_array* " + namePrefix + "_out = static_cast<struct miqt_array*>(malloc(sizeof(struct miqt_array)));\n"
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afterCall += indent + namePrefix + "_out->len = " + namePrefix + "_ret.length();\n"
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afterCall += indent + namePrefix + "_out->data = static_cast<void*>(" + namePrefix + "_arr);\n"
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afterCall += indent + assignExpression + "" + namePrefix + "_out;\n"
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} else if !t.QtClassType() || (t.QtClassType() && t.Pointer) { // QList<int>, QList<QFoo*>
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// In some cases rvalue is a function call and the temporary
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// is necessary; in some cases it's a literal and the temporary is
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// elided; but in some cases it's a Qt class and the temporary goes
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// through a copy constructor
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// TODO Detect safe cases where this can be optimized
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "// Convert QList<> from C++ memory to manually-managed C memory\n"
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afterCall += indent + "" + t.RenderTypeCabi() + "* " + namePrefix + "_arr = static_cast<" + t.RenderTypeCabi() + "*>(malloc(sizeof(" + t.RenderTypeCabi() + ") * " + namePrefix + "_ret.length()));\n"
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afterCall += indent + "for (size_t i = 0, e = " + namePrefix + "_ret.length(); i < e; ++i) {\n"
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if t.Const {
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afterCall += indent + "\t" + namePrefix + "_arr[i] = const_cast<" + t.ConstCast(false).RenderTypeCabi() + ">(" + namePrefix + "_ret[i]);\n"
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} else {
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afterCall += indent + "\t" + namePrefix + "_arr[i] = " + namePrefix + "_ret[i];\n"
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}
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afterCall += indent + "}\n"
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afterCall += indent + "struct miqt_array* " + namePrefix + "_out = static_cast<struct miqt_array*>(malloc(sizeof(struct miqt_array)));\n"
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afterCall += indent + "" + namePrefix + "_out->len = " + namePrefix + "_ret.length();\n"
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afterCall += indent + "" + namePrefix + "_out->data = static_cast<void*>(" + namePrefix + "_arr);\n"
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afterCall += indent + assignExpression + "" + namePrefix + "_out;\n"
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} else { // QList<QFoo>
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "// Convert QList<> from C++ memory to manually-managed C memory of copy-constructed pointers\n"
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afterCall += indent + "" + t.RenderTypeCabi() + "** " + namePrefix + "_arr = static_cast<" + t.RenderTypeCabi() + "**>(malloc(sizeof(" + t.RenderTypeCabi() + "**) * " + namePrefix + "_ret.length()));\n"
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afterCall += indent + "for (size_t i = 0, e = " + namePrefix + "_ret.length(); i < e; ++i) {\n"
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afterCall += indent + "\t" + namePrefix + "_arr[i] = new " + t.ParameterType + "(" + namePrefix + "_ret[i]);\n"
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afterCall += indent + "}\n"
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afterCall += indent + "struct miqt_array* " + namePrefix + "_out = static_cast<struct miqt_array*>(malloc(sizeof(struct miqt_array)));\n"
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afterCall += indent + "" + namePrefix + "_out->len = " + namePrefix + "_ret.length();\n"
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afterCall += indent + "" + namePrefix + "_out->data = static_cast<void*>(" + namePrefix + "_arr);\n"
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afterCall += indent + assignExpression + "" + namePrefix + "_out;\n"
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}
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} else if p.QtClassType() && p.ByRef {
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// It's a pointer in disguise, just needs one cast
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "// Cast returned reference into pointer\n"
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if p.Const {
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nonConst := p // copy
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nonConst.Const = false
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nonConst.ByRef = false
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nonConst.Pointer = true
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nonConst.PointerCount = 1
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afterCall += indent + "" + assignExpression + "const_cast<" + nonConst.RenderTypeQtCpp() + ">(&" + namePrefix + "_ret);\n"
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} else {
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afterCall += indent + "" + assignExpression + "&" + namePrefix + "_ret;\n"
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}
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} else if p.QtClassType() && !p.Pointer {
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shouldReturn = p.ParameterType + " " + namePrefix + "_ret = "
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afterCall = indent + "// Copy-construct value returned type into heap-allocated copy\n"
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afterCall += indent + "" + assignExpression + "static_cast<" + p.ParameterType + "*>(new " + p.ParameterType + "(" + namePrefix + "_ret));\n"
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} else if p.Const {
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shouldReturn += "(" + emitReturnTypeCabi(p) + ") "
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} else if p.IsFlagType() {
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// Needs an explicit int cast
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "" + assignExpression + "static_cast<int>(" + namePrefix + "_ret);\n"
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} else if p.IsEnum() {
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// Needs an explicit uintptr cast
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shouldReturn = p.RenderTypeQtCpp() + " " + namePrefix + "_ret = "
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afterCall += indent + "" + assignExpression + "static_cast<uintptr_t>(" + namePrefix + "_ret);\n"
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}
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return indent + shouldReturn + rvalue + ";\n" + afterCall
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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 {
|
|
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<") {
|
|
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) (string, error) {
|
|
ret := strings.Builder{}
|
|
|
|
includeGuard := "GEN_" + strings.ToUpper(strings.Replace(filename, `.`, `_`, -1))
|
|
|
|
ret.WriteString(`#ifndef ` + includeGuard + `
|
|
#define ` + includeGuard + `
|
|
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
|
|
|
#include "binding.h"
|
|
|
|
#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", emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), emitParametersCabi(m, ifv(m.IsConst, "const ", "")+cClassName+"*")))
|
|
|
|
if m.IsSignal {
|
|
ret.WriteString(fmt.Sprintf("%s %s_connect_%s(%s* self, void* slot);\n", emitReturnTypeCabi(m.ReturnType), 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)
|
|
|
|
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)
|
|
|
|
// 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",
|
|
emitReturnTypeCabi(m.ReturnType), cClassName, m.SafeMethodName(), emitParametersCabi(m, ifv(m.IsConst, "const ", "")+cClassName+"*"),
|
|
preamble,
|
|
emitAssignCppToCabi("\treturn ", m.ReturnType, callTarget),
|
|
emitReturnTypeCabi(m.ReturnType),
|
|
))
|
|
|
|
} else {
|
|
|
|
ret.WriteString(fmt.Sprintf(
|
|
"%s %s_%s(%s) {\n"+
|
|
"%s"+
|
|
"%s"+
|
|
"}\n"+
|
|
"\n",
|
|
emitReturnTypeCabi(m.ReturnType), 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) + `)>(&` + c.ClassName + `::` + m.CppCallTarget() + `)`
|
|
|
|
paramArgs := []string{"slot"}
|
|
paramArgDefs := []string{"void* cb"}
|
|
|
|
var signalCode string
|
|
|
|
for i, p := range m.Parameters {
|
|
signalCode += emitAssignCppToCabi(fmt.Sprintf("\t\t%s sigval%d = ", emitReturnTypeCabi(p), i+1), p, p.ParameterName)
|
|
paramArgs = append(paramArgs, fmt.Sprintf("sigval%d", i+1))
|
|
paramArgDefs = append(paramArgDefs, emitReturnTypeCabi(p)+" "+p.ParameterName)
|
|
}
|
|
|
|
signalCode += "\t\t" + bindingFunc + "(" + strings.Join(paramArgs, `, `) + ");\n"
|
|
|
|
ret.WriteString(
|
|
`void ` + cClassName + `_connect_` + m.SafeMethodName() + `(` + cClassName + `* self, void* 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
|
|
}
|