public ICQ_Value MakeValue(object value) { CQ_Value_Null v = new CQ_Value_Null(); return(v); }
//不出Block,必须一次解析完,括号为优先级 public bool Compiler_Expression(IList<Token> tlist, ICQ_Environment content, int pos, int posend, out ICQ_Expression value) { if(pos>posend) { value = null; return false; } int begin = pos; value = null; List<ICQ_Expression> values = new List<ICQ_Expression>(); do { if (tlist[begin].type == TokenType.COMMENT) { begin++; continue; } if (tlist[begin].type == TokenType.PUNCTUATION && tlist[begin].text == ";") { begin++; continue; } int bdep; //脱一次壳 int end = FindCodeAny(tlist, ref begin, out bdep); if (end > posend) { end = posend; } else if (end < posend) { bool bMath = false; for (int i = end + 1; i <= posend; i++) { if (tlist[i].type == TokenType.COMMENT) continue; if (tlist[i].type == TokenType.PUNCTUATION && tlist[i].text == ";") continue; bMath = true; break; } if (bMath) { end = posend; //如果表达式一次搞不完,那肯定是优先级问题 value = Compiler_Expression_Math(tlist,content, begin, posend); return true; } } //else //{ // IList<int> i = SplitExpressionWithOp(tlist, begin, end); // if (i != null && i.Count > 0) // { // value = Compiler_Expression_Math(tlist, begin, posend); // return true; // } //} int expend = end; int expbegin = begin; if (expbegin > expend) return true; if (expend == expbegin) {//simple if (tlist[expbegin].type == TokenType.KEYWORD) { if (tlist[expbegin].text == "return") { ICQ_Expression subvalue = Compiler_Expression_Loop_Return(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "表达式编译失败", expbegin, expend); return false; } else values.Add(subvalue); } else if (tlist[expbegin].text == "break") { ICQ_Expression subvalue = Compiler_Expression_Loop_Break(tlist, expbegin); if (null == subvalue) { //LogError(tlist, "表达式编译失败", expbegin, expend); return false; } else values.Add(subvalue); } else if (tlist[expbegin].text == "continue") { ICQ_Expression subvalue = Compiler_Expression_Loop_Continue(tlist, expbegin); if (null == subvalue) return false; else values.Add(subvalue); } else if (tlist[expbegin].text == "true") { CQ_Value_Value<bool> subvalue = new CQ_Value_Value<bool>(); subvalue.value_value = true; values.Add(subvalue); } else if (tlist[expbegin].text == "false") { CQ_Value_Value<bool> subvalue = new CQ_Value_Value<bool>(); subvalue.value_value = false; values.Add(subvalue); } else if (tlist[expbegin].text == "null") { CQ_Value_Null subvalue = new CQ_Value_Null(); values.Add(subvalue); } } else { ICQ_Expression subvalue = Compiler_Expression_Value(tlist[expbegin],expbegin); if (null == subvalue) return false; else values.Add(subvalue); } } else if (bdep == 1) //深层表达式 { expbegin++; expend--; ICQ_Expression subvalue; bool bsucc = Compiler_Expression(tlist,content, expbegin, expend, out subvalue); if (bsucc) { if (subvalue != null) values.Add(subvalue); } else { LogError(tlist, "表达式编译失败", expbegin, expend); return false; } } else //尝试各种表达式 { bool bTest = false; //取反表达式 if (tlist[expbegin].type == TokenType.PUNCTUATION && tlist[expbegin].text == "-") { if (tlist[expend].type == TokenType.VALUE) {//负数 if (expend == expbegin + 1) { ICQ_Expression subvalue = Compiler_Expression_SubValue(tlist[expend]); if (null == subvalue) { return false; } else values.Add(subvalue); } else { ICQ_Expression subvalue = Compiler_Expression_Math(tlist, content, begin, posend); if (null == subvalue) { LogError(tlist, "表达式编译失败", begin, posend); return false; } else values.Add(subvalue); } } else {//负数表达式 ICQ_Expression subvalue = Compiler_Expression_NegativeValue(tlist, content, expbegin + 1, expend); if (null == subvalue) { LogError(tlist, "表达式编译失败", expbegin + 1, expend); return false; } else values.Add(subvalue); } bTest = true; } if (tlist[expbegin].type == TokenType.PUNCTUATION && tlist[expbegin].text == "!") {//逻辑反表达式 ICQ_Expression subvalue = Compiler_Expression_NegativeLogic(tlist, content, expbegin + 1, expend); if (null == subvalue) { LogError(tlist, "表达式编译失败", expbegin + 1, expend); return false; } else values.Add(subvalue); bTest = true; } if (!bTest && tlist[expbegin].type == TokenType.TYPE) { if (tlist[expbegin + 1].type == TokenType.IDENTIFIER)//定义表达式或者定义并赋值表达式 { if (expend == expbegin + 1)//定义表达式 { ICQ_Expression subvalue = Compiler_Expression_Define(tlist, content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else if (expend > expbegin + 2 && tlist[expbegin + 2].type == TokenType.PUNCTUATION && tlist[expbegin + 2].text == "=") {//定义并赋值表达式 ICQ_Expression subvalue = Compiler_Expression_DefineAndSet(tlist, content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else { LogError(tlist,"无法识别的表达式:", expbegin ,expend); return false; } } else if (tlist[expbegin + 1].text == "[" && tlist[expbegin + 2].text == "]" && tlist[expbegin + 3].type == TokenType.IDENTIFIER)//定义表达式或者定义并赋值表达式 { if (expend == expbegin + 3)//定义表达式 { ICQ_Expression subvalue = Compiler_Expression_DefineArray(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "无法识别的数组:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (expend > expbegin + 4 && tlist[expbegin + 4].type == TokenType.PUNCTUATION && tlist[expbegin + 4].text == "=") {//定义并赋值表达式 ICQ_Expression subvalue = Compiler_Expression_DefineAndSetArray(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "无法识别的数组:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } } else if (tlist[expbegin + 1].type == TokenType.PUNCTUATION && tlist[expbegin + 1].text == ".") {//静态调用表达式 //if (expend - expbegin > 2) { ICQ_Expression subvalue = Compiler_Expression_Math(tlist, content, expbegin, expend); if (subvalue != null) { //subvalue.listParam.Add(subparam); values.Add(subvalue); bTest = true; } else { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } } } } if (!bTest && tlist[expbegin].type == TokenType.IDENTIFIER) { if (expend == expbegin + 1)//一元表达式 { ICQ_Expression subvalue = Compiler_Expression_MathSelf(tlist, expbegin, expend); if (null == subvalue) { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } if (!bTest && tlist[expbegin + 1].type == TokenType.PUNCTUATION && tlist[expbegin + 1].text == "=")//赋值表达式 { ICQ_Expression subvalue = Compiler_Expression_Set(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } //if (!bTest && tlist[expbegin + 1].type == TokenType.PUNCTUATION && tlist[expbegin + 1].text == "(")//函数表达式 //{ // ICQ_Expression subvalue = Compiler_Expression_Function(tlist,content, expbegin, expend); // if (null == subvalue) return false; // else // values.Add(subvalue); // bTest = true; //} //if (!bTest && tlist[expbegin + 1].type == TokenType.PUNCTUATION && tlist[expbegin + 1].text == "[")//函数表达式 //{ // ICQ_Expression subvalue = Compiler_Expression_IndexFind(tlist, content, expbegin, expend); // if (null == subvalue) return false; // else // values.Add(subvalue); // bTest = true; //} } if (!bTest && (tlist[expbegin].type == TokenType.IDENTIFIER || tlist[expbegin].type == TokenType.VALUE || tlist[expbegin].type == TokenType.STRING)) { //算数表达式 ICQ_Expression subvalue = Compiler_Expression_Math(tlist,content, expbegin, expend); if (null != subvalue) { values.Add(subvalue); bTest = true; } } if (!bTest && tlist[expbegin].type == TokenType.KEYWORD) { if (tlist[expbegin].text == "for") { ICQ_Expression subvalue = Compiler_Expression_Loop_For(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "不可识别的For头:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if(tlist[expbegin].text == "switch"){ // UnityEngine.Debug.Log("SwitchCase : " + GetCodeKeyString(tlist, expbegin, expend)); ICQ_Expression subvalue = Compiler_Expression_Loop_SwitchCase(tlist, content, expbegin, expend); if(null == subvalue){ LogError(tlist, "不可识别的switch case:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "foreach") { ICQ_Expression subvalue = Compiler_Expression_Loop_ForEach(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "不可识别的ForEach头:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "while") { ICQ_Expression subvalue = Compiler_Expression_Loop_While(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "不可识别的while头:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "do") { ICQ_Expression subvalue = Compiler_Expression_Loop_Dowhile(tlist, content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "if") { ICQ_Expression subvalue = Compiler_Expression_Loop_If(tlist, content, expbegin, expend); if (null == subvalue) { LogError(tlist, "不可识别的if判断:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "try") { ICQ_Expression subvalue = Compiler_Expression_Loop_Try(tlist, content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "return") { ICQ_Expression subvalue = Compiler_Expression_Loop_Return(tlist, content,expbegin, expend); if (null == subvalue) { LogError(tlist, "不可识别的return:", expbegin, expend); return false; } else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "trace") { ICQ_Expression subvalue = Compiler_Expression_FunctionTrace(tlist,content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else if (tlist[expbegin].text == "throw") { ICQ_Expression subvalue = Compiler_Expression_FunctionThrow(tlist, content, expbegin, expend); if (null == subvalue) return false; else values.Add(subvalue); bTest = true; } else if(tlist[expbegin].text=="true"||tlist[expbegin].text=="false"||tlist[expbegin].text=="null") { //算数表达式 ICQ_Expression subvalue = Compiler_Expression_Math(tlist, content, expbegin, expend); if (null != subvalue) { values.Add(subvalue); bTest = true; } } else if(tlist[expbegin].text=="new") { //new 表达式 if (tlist[expbegin + 1].type == TokenType.TYPE) { ICQ_Expression subvalue = Compiler_Expression_FunctionNew(tlist, content, pos, posend); values.Add(subvalue); bTest = true; } } else { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } } if (!bTest) { LogError(tlist, "无法识别的表达式:", expbegin, expend); return false; } } begin = end + 1; } while (begin <= posend); if (values.Count == 1) { value = values[0]; } else if (values.Count > 1) { LogError(tlist, "异常表达式", pos, posend); } return true; }