gopherjs
diff --git a/‎compiler/analysis/info.go
Lines changed: 13 additions & 0 deletions b/‎compiler/analysis/info.go
Lines changed: 13 additions & 0 deletions
diff --git a/‎compiler/compiler.go
Lines changed: 0 additions & 51 deletions b/‎compiler/compiler.go
Lines changed: 0 additions & 51 deletions
@@ -92,13 +92,26 @@ func (info *Info) newFuncInfo(n ast.Node) *FuncInfo {
 	return funcInfo
 }
 
+// IsBlocking returns true if the function may contain blocking calls or operations.
 func (info *Info) IsBlocking(fun *types.Func) bool {
 	if funInfo := info.FuncDeclInfos[fun]; funInfo != nil {
 		return len(funInfo.Blocking) > 0
 	}
 	panic(fmt.Errorf(`info did not have function declaration for %s`, fun.FullName()))
 }
 
+// VarsWithInitializers returns a set of package-level variables that have
+// explicit initializers.
+func (info *Info) VarsWithInitializers() map[*types.Var]bool {
+	result := map[*types.Var]bool{}
+	for _, init := range info.InitOrder {
+		for _, o := range init.Lhs {
+			result[o] = true
+		}
+	}
+	return result
+}
+
 func AnalyzePkg(files []*ast.File, fileSet *token.FileSet, typesInfo *types.Info, typesPkg *types.Package, isBlocking func(*types.Func) bool) *Info {
 	info := &Info{
 		Info:               typesInfo,
 
@@ -17,7 +17,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/gopherjs/gopherjs/compiler/internal/symbol"
 	"github.com/gopherjs/gopherjs/compiler/prelude"
 	"golang.org/x/tools/go/gcexportdata"
 )
@@ -85,56 +84,6 @@ func (a *Archive) RegisterTypes(packages map[string]*types.Package) error {
 	return err
 }
 
-// Decl represents a package-level symbol (e.g. a function, variable or type).
-//
-// It contains code generated by the compiler for this specific symbol, which is
-// grouped by the execution stage it belongs to in the JavaScript runtime.
-type Decl struct {
-	// The package- or receiver-type-qualified name of function or method obj.
-	// See go/types.Func.FullName().
-	FullName string
-	// A logical equivalent of a symbol name in an object file in the traditional
-	// Go compiler/linker toolchain. Used by GopherJS to support go:linkname
-	// directives. Must be set for decls that are supported by go:linkname
-	// implementation.
-	LinkingName symbol.Name
-	// A list of package-level JavaScript variable names this symbol needs to declare.
-	Vars []string
-	// A JS expression by which the object represented by this decl may be
-	// referenced within the package context. Empty if the decl represents no such
-	// object.
-	RefExpr string
-	// NamedRecvType is method named recv declare.
-	NamedRecvType string
-	// JavaScript code that declares basic information about a symbol. For a type
-	// it configures basic information about the type and its identity. For a function
-	// or method it contains its compiled body.
-	DeclCode []byte
-	// JavaScript code that initializes reflection metadata about type's method list.
-	MethodListCode []byte
-	// JavaScript code that initializes the rest of reflection metadata about a type
-	// (e.g. struct fields, array type sizes, element types, etc.).
-	TypeInitCode []byte
-	// JavaScript code that needs to be executed during the package init phase to
-	// set the symbol up (e.g. initialize package-level variable value).
-	InitCode []byte
-	// Symbol's identifier used by the dead-code elimination logic, not including
-	// package path. If empty, the symbol is assumed to be alive and will not be
-	// eliminated. For methods it is the same as its receiver type identifier.
-	DceObjectFilter string
-	// The second part of the identified used by dead-code elimination for methods.
-	// Empty for other types of symbols.
-	DceMethodFilter string
-	// List of fully qualified (including package path) DCE symbol identifiers the
-	// symbol depends on for dead code elimination purposes.
-	DceDeps []string
-	// Set to true if a function performs a blocking operation (I/O or
-	// synchronization). The compiler will have to generate function code such
-	// that it can be resumed after a blocking operation completes without
-	// blocking the main thread in the meantime.
-	Blocking bool
-}
-
 type Dependency struct {
 	Pkg    string
 	Type   string