compiler: emit debug variable info for init()

pkg/compiler/codegen.go

@@ -46,6 +46,8 @@ type codegen struct {
 	globals map[string]int
 	// staticVariables contains global (static in NDX-DN11) variable names and types.
 	staticVariables []string
+	// initVariables contains variables local to `_initialize` method.
+	initVariables []string
 
 	// A mapping from label's names to their ids.
 	labels map[labelWithType]uint16
@@ -460,6 +462,10 @@ func (c *codegen) convertFuncDecl(file ast.Node, decl *ast.FuncDecl, pkg *types.
 		emit.Opcodes(c.prog.BinWriter, opcode.RET)
 	}
 
+	if isInit {
+		c.initVariables = append(c.initVariables, f.variables...)
+	}
+
 	f.rng.End = uint16(c.prog.Len() - 1)
 
 	if !isLambda {