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wit/bindgen: add Version constant #81

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wit/bindgen: add Version constant #81

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16 changes: 16 additions & 0 deletions wit/bindgen/generator.go
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,14 @@ func (g *generator) defineWorld(w *wit.World) error {
file.PackageDocs = b.String()
}

if w.Package.Name.Version != nil {
var b bytes.Buffer
v := file.DeclareName("Version")
stringio.Write(&b, "// ", v, " represents the version of WIT package \"", w.Package.Name.String(), "\".\n")
stringio.Write(&b, "const ", v, " = \"", w.Package.Name.Version.String(), "\"\n\n")
file.Write(b.Bytes())
}

for _, name := range codec.SortedKeys(w.Imports) {
var err error
switch v := w.Imports[name].(type) {
Expand Down Expand Up @@ -292,6 +300,14 @@ func (g *generator) defineInterface(i *wit.Interface, name string) error {
file.PackageDocs = b.String()
}

if i.Package.Name.Version != nil {
var b bytes.Buffer
v := file.DeclareName("Version")
stringio.Write(&b, "// ", v, " represents the version of WIT package \"", i.Package.Name.String(), "\".\n")
stringio.Write(&b, "const ", v, " = \"", i.Package.Name.Version.String(), "\"\n\n")
file.Write(b.Bytes())
}

// Define types
for _, name := range codec.SortedKeys(i.TypeDefs) {
g.defineTypeDef(i.TypeDefs[name], name)
Expand Down