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提交 fbf026ab 创建 作者: 宋海霞's avatar 宋海霞
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显示空白字符变更
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T2P.h
浏览文件 @ fbf026ab
#ifndef T2P_H_ #ifndef T2P_H_
#define T2P_H_ #define T2P_H_
// //
// 在此处包含 C 标准库头文件 // 在此处包含 C 标准库头文件
// //
#include <stdio.h> #include <stdio.h>
// //
// 在此处包含其他头文件 // 在此处包含其他头文件
// //
...@@ -19,26 +16,28 @@ ...@@ -19,26 +16,28 @@
// 在此处定义数据结构 // 在此处定义数据结构
// //
#define MAX_STR_LENGTH 64 #define MAX_STR_LENGTH 64
#define MAX_CODE_COUNT 64 #define MAX_CODE_COUNT 64
// 地址类型 // 地址类型
typedef enum _AddrKind{ typedef enum _AddrKind
{
empty, // 空 empty, // 空
intconst, // 整数常量 intconst, // 整数常量
string // 字符串 string // 字符串
}AddrKind; }AddrKind;
// 地址 // 地址
typedef struct _Address{ typedef struct _Address
{
AddrKind Kind; // 地址的类型。这个域是一个枚举类型 AddrKind Kind; // 地址的类型。这个域是一个枚举类型
int Value; // 地址的值。地址类型为整数常量时，这个域有效 int Value; // 地址的值。地址类型为整数常量时，这个域有效
char Name[MAX_STR_LENGTH]; // 地址的值。地址类型为字符串时，这个域有效 char Name[MAX_STR_LENGTH]; // 地址的值。地址类型为字符串时，这个域有效
}Address; }Address;
// 三地址码指令类型 // 三地址码指令类型
typedef enum _TOpKind{ typedef enum _TOpKind
{
t_rd = 1, // 注意，从 1 开始 t_rd = 1, // 注意，从 1 开始
t_gt, t_gt,
t_if_f, t_if_f,
...@@ -52,13 +51,15 @@ typedef enum _TOpKind{ ...@@ -52,13 +51,15 @@ typedef enum _TOpKind{
}TOpKind; }TOpKind;
// 三地址码 // 三地址码
typedef struct _TCode{ typedef struct _TCode
{
TOpKind Kind; // 三地址码指令类型 TOpKind Kind; // 三地址码指令类型
Address Addr1, Addr2, Addr3; // 三个地址 Address Addr1, Addr2, Addr3; // 三个地址
}TCode; }TCode;
// P-代码指令类型 // P-代码指令类型
typedef enum _POpKind{ typedef enum _POpKind
{
p_lda = 1, // 注意，从 1 开始 p_lda = 1, // 注意，从 1 开始
p_rdi, p_rdi,
p_lod, p_lod,
...@@ -75,23 +76,21 @@ typedef enum _POpKind{ ...@@ -75,23 +76,21 @@ typedef enum _POpKind{
}POpKind; }POpKind;
// P-代码 // P-代码
typedef struct _PCode{ typedef struct _PCode
{
POpKind Kind; // P-代码指令类型 POpKind Kind; // P-代码指令类型
Address Addr; // 地址 Address Addr; // 地址
}PCode; }PCode;
// //
// 在此处声明函数 // 在此处声明函数
// //
void T2P(TCode* TCodeList, PCode* PCodeList); void T2P(TCode* TCodeList, PCode* PCodeList);
void InitTCodeList(TCode* pTCodeList); void InitTCodeList(TCode* pTCodeList);
void InitTCodeList_CI(TCode* pTCodeList); void InitTCodeList_CI(TCode* pTCodeList);
void OutputResult(PCode* PCodeList); void OutputResult(PCode* PCodeList);
// //
// 在此声明全局变量 // 在此声明全局变量
// //
......
main.c
浏览文件 @ fbf026ab
...@@ -87,7 +87,7 @@ static const TCodeEntry TCodeTable[] = ...@@ -87,7 +87,7 @@ static const TCodeEntry TCodeTable[] =
void InitAddress(const AddressEntry* pEntry, Address* pAddr) void InitAddress(const AddressEntry* pEntry, Address* pAddr)
{ {
pAddr->Kind = pEntry->Kind; pAddr->Kind = pEntry->Kind;
switch(pAddr->Kind) switch (pAddr->Kind)
{ {
case empty: case empty:
break; break;
...@@ -112,7 +112,7 @@ void InitTCodeList(TCode* pTCodeList) ...@@ -112,7 +112,7 @@ void InitTCodeList(TCode* pTCodeList)
int i; int i;
int EntryCount = sizeof(TCodeTable) / sizeof(TCodeTable[0]); int EntryCount = sizeof(TCodeTable) / sizeof(TCodeTable[0]);
for(i = 0; i < EntryCount; i++) for (i = 0; i < EntryCount; i++)
{ {
pTCodeList[i].Kind = TCodeTable[i].Kind; pTCodeList[i].Kind = TCodeTable[i].Kind;
...@@ -131,108 +131,108 @@ void InitTCodeList(TCode* pTCodeList) ...@@ -131,108 +131,108 @@ void InitTCodeList(TCode* pTCodeList)
*/ */
void InitTCodeList_CI(TCode* pTCodeList) void InitTCodeList_CI(TCode* pTCodeList)
{ {
for(int i = 0; i < MAX_CODE_COUNT; i++) for (int i = 0; i < MAX_CODE_COUNT; i++)
{ {
gets(TCodeArray[i]); gets(TCodeArray[i]);
int length = strlen(TCodeArray[i]); int length = strlen(TCodeArray[i]);
if(length == 0) if (length == 0)
{ {
break; break;
} }
char unitArr[7][64] = {}; char unitArr[7][64] = {};
int k = 0, l = 0; int k = 0, w = 0;
for(int j = 0; j < 256; j++) for (int j = 0; j < 256; j++)
{ {
if(TCodeArray[i][j] == '\0') if (TCodeArray[i][j] == '\0')
{ {
break; break;
} }
if(TCodeArray[i][j] == 32) if (TCodeArray[i][j] == 32)
{ {
k++; k++;
l = 0; w = 0;
continue; continue;
} }
unitArr[k][l++] = TCodeArray[i][j]; unitArr[k][w++] = TCodeArray[i][j];
} }
char kind[64] = {0}; char kind[64] = {0};
strcpy(kind, unitArr[0]); strcpy(kind, unitArr[0]);
if(strcmp(kind, "t_rd") == 0) if (strcmp(kind, "t_rd") == 0)
{ {
pTCodeList[i].Kind = t_rd; pTCodeList[i].Kind = t_rd;
} }
else if(strcmp(kind, "t_gt") == 0) else if (strcmp(kind, "t_gt") == 0)
{ {
pTCodeList[i].Kind = t_gt; pTCodeList[i].Kind = t_gt;
} }
else if(strcmp(kind, "t_if_f") == 0) else if (strcmp(kind, "t_if_f") == 0)
{ {
pTCodeList[i].Kind = t_if_f; pTCodeList[i].Kind = t_if_f;
} }
else if(strcmp(kind, "t_asn") == 0) else if (strcmp(kind, "t_asn") == 0)
{ {
pTCodeList[i].Kind = t_asn; pTCodeList[i].Kind = t_asn;
} }
else if(strcmp(kind, "t_lab") == 0) else if (strcmp(kind, "t_lab") == 0)
{ {
pTCodeList[i].Kind = t_lab; pTCodeList[i].Kind = t_lab;
} }
else if(strcmp(kind, "t_mul") == 0) else if (strcmp(kind, "t_mul") == 0)
{ {
pTCodeList[i].Kind = t_mul; pTCodeList[i].Kind = t_mul;
} }
else if(strcmp(kind, "t_sub") == 0) else if (strcmp(kind, "t_sub") == 0)
{ {
pTCodeList[i].Kind = t_sub; pTCodeList[i].Kind = t_sub;
} }
else if(strcmp(kind, "t_eq") == 0) else if (strcmp(kind, "t_eq") == 0)
{ {
pTCodeList[i].Kind = t_eq; pTCodeList[i].Kind = t_eq;
} }
else if(strcmp(kind, "t_wri") == 0) else if (strcmp(kind, "t_wri") == 0)
{ {
pTCodeList[i].Kind = t_wri; pTCodeList[i].Kind = t_wri;
} }
else if(strcmp(kind, "t_halt") == 0) else if (strcmp(kind, "t_halt") == 0)
{ {
pTCodeList[i].Kind = t_halt; pTCodeList[i].Kind = t_halt;
} }
for(int j = 1; j < k; j += 2) for (int j = 1; j < k; j += 2)
{ {
if(strcmp(unitArr[j], "string") == 0) if (strcmp(unitArr[j], "string") == 0)
{ {
if(j == 1) if (j == 1)
{ {
pTCodeList[i].Addr1.Kind = string; pTCodeList[i].Addr1.Kind = string;
strcpy(pTCodeList[i].Addr1.Name,unitArr[j + 1]); strcpy(pTCodeList[i].Addr1.Name, unitArr[j + 1]);
} }
else if(j == 3) else if (j == 3)
{ {
pTCodeList[i].Addr2.Kind = string; pTCodeList[i].Addr2.Kind = string;
strcpy(pTCodeList[i].Addr2.Name,unitArr[j + 1]); strcpy(pTCodeList[i].Addr2.Name, unitArr[j + 1]);
} }
else if(j == 5) else if (j == 5)
{ {
pTCodeList[i].Addr3.Kind = string; pTCodeList[i].Addr3.Kind = string;
strcpy(pTCodeList[i].Addr3.Name,unitArr[j + 1]); strcpy(pTCodeList[i].Addr3.Name, unitArr[j + 1]);
} }
} }
else if(strcmp(unitArr[j], "intconst") == 0) else if (strcmp(unitArr[j], "intconst") == 0)
{ {
if(j == 1) if (j == 1)
{ {
pTCodeList[i].Addr1.Kind = intconst; pTCodeList[i].Addr1.Kind = intconst;
pTCodeList[i].Addr1.Value = atoi(unitArr[j + 1]); pTCodeList[i].Addr1.Value = atoi(unitArr[j + 1]);
} }
else if(j == 3) else if (j == 3)
{ {
pTCodeList[i].Addr2.Kind = intconst; pTCodeList[i].Addr2.Kind = intconst;
pTCodeList[i].Addr2.Value = atoi(unitArr[j + 1]); pTCodeList[i].Addr2.Value = atoi(unitArr[j + 1]);
} }
else if(j == 5) else if (j == 5)
{ {
pTCodeList[i].Addr3.Kind = intconst; pTCodeList[i].Addr3.Kind = intconst;
pTCodeList[i].Addr3.Value = atoi(unitArr[j + 1]); pTCodeList[i].Addr3.Value = atoi(unitArr[j + 1]);
...@@ -253,9 +253,9 @@ void InitTCodeList_CI(TCode* pTCodeList) ...@@ -253,9 +253,9 @@ void InitTCodeList_CI(TCode* pTCodeList)
void OutputResult(PCode* PCodeList) void OutputResult(PCode* PCodeList)
{ {
for(int PIndex = 0; PCodeList[PIndex].Kind != 0; PIndex++) for (int PIndex = 0; PCodeList[PIndex].Kind != 0; PIndex++)
{ {
switch(PCodeList[PIndex].Kind) switch (PCodeList[PIndex].Kind)
{ {
case p_lda: case p_lda:
printf("lda%c%c%s\n", 32, 32, PCodeList[PIndex].Addr.Name); printf("lda%c%c%s\n", 32, 32, PCodeList[PIndex].Addr.Name);
......
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