System.Xml.Xsl.XsltOld.DbgCompiler.DefineVariable C# (CSharp) Method

        private void DefineVariable(VariableAction variable) {
            Debug.Assert(this.Debugger != null);
            if (variable.IsGlobal) {
                for(int i = 0; i < globalVars.Count; i ++) {
                    VariableAction oldVar = (VariableAction)this.globalVars[i];
                    if(oldVar.Name == variable.Name) { // Duplicate var definition
                        if(variable.Stylesheetid < oldVar.Stylesheetid) {
                            Debug.Assert(variable.VarKey != -1, "Variable was already placed and it should replace prev var.");
                            this.globalVars[i] = variable;
                            this.globalVarsCache = null;
                        }
                        return;
                    }
                }
                this.globalVars.Add(variable);
                this.globalVarsCache = null;
            }
            else {
                // local variables never conflict
                localVars.Add(variable);
                this.localVarsCache = null;
            }
        }