Method addIdent

checker/env.go:294–309

addIdent adds the Decl to the declarations in the Env. Returns a non-empty errorMsg if the identifier is already declared in the scope.

(decl *decls.VariableDecl)

// addIdent adds the Decl to the declarations in the Env.
// Returns a non-empty errorMsg if the identifier is already declared in the scope.
func (e *Env) addIdent(decl *decls.VariableDecl) errorMsg {
	current := e.declarations.FindIdentInScope(decl.Name())
	if current != nil {
		if current.DeclarationIsEquivalent(decl) {
			decl, errMsg := maybeMergeConstant(current, decl)
			if errMsg != "" {
				return errMsg
			}
			e.declarations.AddIdent(decl)
			return ""
		}
		return overlappingIdentifierError(decl.Name())
	}
	e.declarations.AddIdent(decl)
	return ""
}

// isOverloadDisabled returns whether the overloadID is disabled in the current environment.
func (e *Env) isOverloadDisabled(overloadID string) bool {