mirror of https://github.com/mappu/miqt.git
108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"strings"
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)
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func emitParametersCpp(params []CppParameter, selfType string) string {
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tmp := make([]string, 0, len(params)+1)
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if selfType != "" {
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tmp = append(tmp, "self "+selfType)
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}
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for _, p := range params {
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tmp = append(tmp, p.ParameterName+" "+p.ParameterType)
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}
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return strings.Join(tmp, ", ")
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}
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func emitParametersNames(params []CppParameter, selfType string) string {
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tmp := make([]string, 0, len(params)+1)
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if selfType != "" {
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tmp = append(tmp, "self")
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}
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for _, p := range params {
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tmp = append(tmp, p.ParameterName)
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}
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return strings.Join(tmp, ", ")
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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 := strings.ToUpper(strings.Replace(filename, `.`, `_`, -1)) + "_H"
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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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#ifdef __cplusplus
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extern "C" {
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#endif
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`)
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for _, c := range src.Classes {
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ret.WriteString(`typedef void* P` + c.ClassName + ";\n\n")
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for i, ctor := range c.Ctors {
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ret.WriteString(fmt.Sprintf("P%s %s_new%s(%s);\n", c.ClassName, maybeSuffix(i), emitParametersCpp(ctor.Parameters, "")))
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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", m.ReturnType, c.ClassName, m.SafeMethodName(), emitParametersCpp(m.Parameters, "P"+c.ClassName)))
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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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ret.WriteString(`#include "gen_` + filename + `"
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#include "` + filename + `"
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`)
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for _, c := range src.Classes {
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for i, ctor := range c.Ctors {
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ret.WriteString(fmt.Sprintf(
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"P%s %s_new%s(%s) {\n\treturn new %s(%s);\n}\n\n", c.ClassName, maybeSuffix(i), emitParametersCpp(ctor.Parameters, ""),
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c.ClassName, emitParametersNames(ctor.Parameters, ""),
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))
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}
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for _, m := range c.Methods {
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// Need to take an extra 'self' parameter
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shouldReturn := "return "
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if m.ReturnType == "void" {
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shouldReturn = ""
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}
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ret.WriteString(fmt.Sprintf("%s %s_%s(%s) {\n\t%sstatic_cast<%s*>(self)->%s(%s);\n}\n\n", m.ReturnType, c.ClassName, m.SafeMethodName(), emitParametersCpp(m.Parameters, "P"+c.ClassName),
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shouldReturn, c.ClassName, m.MethodName, emitParametersNames(m.Parameters, c.ClassName),
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))
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}
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}
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return ret.String(), nil
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}
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