support docstrings

build/context.go

@@ -51,6 +51,10 @@ func (c *Context) Function(name string) {
 	c.file.AddSection(c.function)
 }
 
+func (c *Context) Doc(lines ...string) {
+	c.activefunc().Doc = lines
+}
+
 func (c *Context) Signature(s *gotypes.Signature) {
 	c.activefunc().SetSignature(s)
 }

build/global.go

@@ -57,6 +57,8 @@ func ReturnIndex(i int) gotypes.Component  { return ctx.ReturnIndex(i) }
 func Load(src gotypes.Component, dst reg.Register) reg.Register { return ctx.Load(src, dst) }
 func Store(src reg.Register, dst gotypes.Component)             { ctx.Store(src, dst) }
 
+func Doc(lines ...string) { ctx.Doc(lines...) }
+
 func AllocLocal(size int) operand.Mem { return ctx.AllocLocal(size) }
 
 func ConstData(name string, v operand.Constant) operand.Mem { return ctx.ConstData(name, v) }