modify main.c

b8622b1b · 宋海霞 · f1204a35 · b8622b1b
--- a/main.c
+++ b/main.c
@@ -46,11 +46,193 @@ void T2P(TCode* TCodeList, PCode* PCodeList)
 {
 	int TIndex = 0;	// 三地址码列表游标
 	int PIndex = 0;	// P-代码列表游标
-
-	//
-	// TODO: 在此添加代码
-	//
 	
+	for( ; TCodeList[TIndex].Kind != 0; TIndex++)
+	{
+		switch(TCodeList[TIndex].Kind)
+		{
+		case t_rd:
+
+			// 产生一条 lda 指令
+			PCodeList[PIndex].Kind = p_lda;
+			PCodeList[PIndex].Addr.Kind = string;
+			strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr1.Name);
+			PIndex++;
+
+			// 产生一条 rdi 指令
+			PCodeList[PIndex].Kind = p_rdi;
+			PIndex++;
+
+			break;
+
+		case t_gt:
+
+			// 将 gt 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+
+		case t_if_f:
+
+			if(TCodeList[TIndex].Addr1.Kind == intconst)
+			{
+				// 产生一条 ldc 指令
+				PCodeList[PIndex].Kind = p_ldc;
+				PCodeList[PIndex].Addr.Kind = intconst;
+				PCodeList[PIndex].Addr.Value = TCodeList[TIndex].Addr1.Value;
+			}
+			else
+			{
+				// 产生一条 lod 指令
+				PCodeList[PIndex].Kind = p_lod;
+				PCodeList[PIndex].Addr.Kind = string;
+				strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr1.Name);
+			}
+			PIndex++;
+
+			// 产生一条 fjp 指令
+			PCodeList[PIndex].Kind = p_fjp;
+			PCodeList[PIndex].Addr.Kind = string;
+			strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr2.Name);
+			PIndex++;
+
+			break;
+
+		case t_asn:
+
+			// 产生一条 lda 指令
+			PCodeList[PIndex].Kind = p_lda;
+			PCodeList[PIndex].Addr.Kind = string;
+			strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr2.Name);
+			PIndex++;
+
+			if(TCodeList[TIndex].Addr1.Kind == intconst)
+			{
+				// 产生一条 ldc 指令
+				PCodeList[PIndex].Kind = p_ldc;
+				PCodeList[PIndex].Addr.Kind = intconst;
+				PCodeList[PIndex].Addr.Value = TCodeList[TIndex].Addr1.Value;
+			}
+			else
+			{
+				// 产生一条 lod 指令
+				PCodeList[PIndex].Kind = p_lod;
+				PCodeList[PIndex].Addr.Kind = string;
+				strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr1.Name);
+			}
+			PIndex++;
+
+			// 产生一条 sto 指令
+			PCodeList[PIndex].Kind = p_sto;
+			PIndex++;
+
+			break;
+
+		case t_lab:
+
+			// 将 lab 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+
+		case t_mul:
+
+			// 产生一条 lda 指令
+			PCodeList[PIndex].Kind = p_lda;
+			PCodeList[PIndex].Addr.Kind = string;
+			strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr3.Name);
+			PIndex++;
+
+			if(TCodeList[TIndex].Addr1.Kind == intconst)
+			{
+				// 产生一条 ldc 指令
+				PCodeList[PIndex].Kind = p_ldc;
+				PCodeList[PIndex].Addr.Kind = intconst;
+				PCodeList[PIndex].Addr.Value = TCodeList[TIndex].Addr1.Value;
+			}
+			else
+			{
+				// 产生一条 lod 指令
+				PCodeList[PIndex].Kind = p_lod;
+				PCodeList[PIndex].Addr.Kind = string;
+				strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr1.Name);
+			}
+			PIndex++;
+
+			if(TCodeList[TIndex].Addr1.Kind == intconst)
+			{
+				// 产生一条 ldc 指令
+				PCodeList[PIndex].Kind = p_ldc;
+				PCodeList[PIndex].Addr.Kind = intconst;
+				PCodeList[PIndex].Addr.Value = TCodeList[TIndex].Addr2.Value;
+			}
+			else
+			{
+				// 产生一条 lod 指令
+				PCodeList[PIndex].Kind = p_lod;
+				PCodeList[PIndex].Addr.Kind = string;
+				strcpy(PCodeList[PIndex].Addr.Name, TCodeList[TIndex].Addr2.Name);
+			}
+			PIndex++;
+
+			// 产生一条 mpi 指令
+			PCodeList[PIndex].Kind = p_mpi;
+			PIndex++;
+
+			// 产生一条 sto 指令
+			PCodeList[PIndex].Kind = p_sto;
+			PIndex++;
+
+			break;
+
+		case t_sub:
+
+			// 将 sub 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+
+		case t_eq:
+
+			// 将 eq 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+
+		case t_wri:
+
+			// 将 wri 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+
+		case t_halt:
+
+			// 将 halt 指令转换成 P-代码
+			
+			//
+			// TODO: 在此添加代码
+			//
+
+			break;
+		}
+	}
+
 }

 typedef struct _AddressEntry