mirror of
https://github.com/mappu/miqt.git
synced 2024-12-23 01:18:37 +00:00
89 lines
2.0 KiB
Go
89 lines
2.0 KiB
Go
package main
|
|
|
|
import (
|
|
"go/format"
|
|
"log"
|
|
"strings"
|
|
)
|
|
|
|
func emitParametersGo(params []CppParameter) string {
|
|
tmp := make([]string, 0, len(params))
|
|
for _, p := range params {
|
|
tmp = append(tmp, p.ParameterName+" "+p.RenderTypeGo())
|
|
}
|
|
return strings.Join(tmp, ", ")
|
|
}
|
|
|
|
func emitGo(src *CppParsedHeader) (string, error) {
|
|
|
|
ret := strings.Builder{}
|
|
ret.WriteString(`package miqt
|
|
|
|
/*
|
|
|
|
#cgo CFLAGS: -fPIC
|
|
#cgo pkg-config: Qt5Widgets
|
|
#include "binding.h"
|
|
|
|
*/
|
|
import "C"
|
|
|
|
`)
|
|
|
|
for _, c := range src.Classes {
|
|
|
|
ret.WriteString(`
|
|
type ` + c.ClassName + ` struct {
|
|
h C.P` + c.ClassName + `
|
|
}
|
|
|
|
func (this *` + c.ClassName + `) cPointer() C.P` + c.ClassName + ` {
|
|
if this == nil {
|
|
return nil
|
|
}
|
|
return this.h
|
|
}
|
|
|
|
`)
|
|
|
|
for i, ctor := range c.Ctors {
|
|
ret.WriteString(`
|
|
// New` + c.ClassName + maybeSuffix(i) + ` constructs a new ` + c.ClassName + ` object.
|
|
func New` + c.ClassName + maybeSuffix(i) + `(` + emitParametersGo(ctor.Parameters) + `) {
|
|
ret := C.` + c.ClassName + `_new` + maybeSuffix(i) + `(` + emitParametersNames(ctor.Parameters, "") + `)
|
|
return &` + c.ClassName + `{h: ret}
|
|
}
|
|
|
|
`)
|
|
}
|
|
|
|
for _, m := range c.Methods {
|
|
// TODO for any known pointer type, call its cPointer() method instead of passing it directly
|
|
|
|
shouldReturn := "return "
|
|
returnTypeDecl := m.ReturnType.ParameterType // FIXME handle byRef/const here too
|
|
if returnTypeDecl == "void" {
|
|
shouldReturn = ""
|
|
returnTypeDecl = ""
|
|
}
|
|
|
|
ret.WriteString(`
|
|
func (this *` + c.ClassName + `) ` + m.SafeMethodName() + `(` + emitParametersGo(m.Parameters) + `) ` + returnTypeDecl + ` {
|
|
` + shouldReturn + ` C.` + c.ClassName + `_` + m.SafeMethodName() + `(` + emitParametersNames(m.Parameters, c.ClassName) + `)
|
|
}
|
|
|
|
`)
|
|
}
|
|
|
|
}
|
|
|
|
// Run gofmt over the result
|
|
formattedSrc, err := format.Source([]byte(ret.String()))
|
|
if err != nil {
|
|
log.Printf("gofmt failure: %v", err)
|
|
formattedSrc = []byte(ret.String())
|
|
}
|
|
|
|
return string(formattedSrc), nil
|
|
}
|