2020-2021:teams:namespace:小型代码分析系统的实现方式
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2020-2021:teams:namespace:小型代码分析系统的实现方式 [2020/08/06 12:20] great_designer [题解] |
2020-2021:teams:namespace:小型代码分析系统的实现方式 [2020/08/06 12:32] (当前版本) great_designer [代码] |
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| 行 197: | 行 197: | ||
| =====代码===== | =====代码===== | ||
| - | |||
| - | 标程的程序用了大量的assert来控制函数是否执行下去。 | ||
| <hidden> | <hidden> | ||
| 行 204: | 行 202: | ||
| #include<stdio.h> | #include<stdio.h> | ||
| - | #include<assert.h> | ||
| #include<string.h> | #include<string.h> | ||
| 行 224: | 行 221: | ||
| int PointerIndex(char ch) | int PointerIndex(char ch) | ||
| { | { | ||
| - | assert('A' <= ch && ch <= 'Z'); | ||
| return ch - 'A' + 26; | return ch - 'A' + 26; | ||
| } | } | ||
| 行 230: | 行 226: | ||
| int FieldIndex(char ch) | int FieldIndex(char ch) | ||
| { | { | ||
| - | assert('a' <= ch && ch <= 'z'); | ||
| return ch - 'a' + 1; | return ch - 'a' + 1; | ||
| } | } | ||
| 行 241: | 行 236: | ||
| int makeField(char v, char f) | int makeField(char v, char f) | ||
| { | { | ||
| - | assert(('A' <= v && v <= 'Z') || ('a' <= v && v <= 'z')); | + | if ('a' <= v && v <= 'z') |
| - | assert('a' <= f && f <= 'z'); | + | { |
| - | if ('a' <= v && v <= 'z') return makeField(ObjectIndex(v), FieldIndex(f)); | + | return makeField(ObjectIndex(v), FieldIndex(f)); |
| + | } | ||
| return makeField(PointerIndex(v), FieldIndex(f)); | return makeField(PointerIndex(v), FieldIndex(f)); | ||
| } | } | ||
| 行 249: | 行 245: | ||
| int makeField(int v, char f) | int makeField(int v, char f) | ||
| { | { | ||
| - | assert(0 <= v && v <= 51); | ||
| - | assert('a' <= f && f <= 'z'); | ||
| return makeField(v, FieldIndex(f)); | return makeField(v, FieldIndex(f)); | ||
| } | } | ||
| 行 257: | 行 251: | ||
| { | { | ||
| int base = v % 52, field = v / 52; | int base = v % 52, field = v / 52; | ||
| - | assert(0 <= base && base <= 52); | ||
| - | assert(1 <= field && field <= 26); | ||
| return base; | return base; | ||
| } | } | ||
| 行 265: | 行 257: | ||
| { | { | ||
| int base = v % 52, field = v / 52; | int base = v % 52, field = v / 52; | ||
| - | assert(0 <= base && base <= 52); | ||
| - | assert(1 <= field && field <= 26); | ||
| return field; | return field; | ||
| } | } | ||
| 行 273: | 行 263: | ||
| { | { | ||
| int n = strlen(s); | int n = strlen(s); | ||
| - | assert(n == 1 || n == 3); | ||
| if (n == 1) | if (n == 1) | ||
| { | { | ||
| return -1; | return -1; | ||
| } | } | ||
| - | assert(s[1] == '.'); | ||
| return makeField(s[0], s[2]); | return makeField(s[0], s[2]); | ||
| } | } | ||
| 行 312: | 行 300: | ||
| int q = getBase(e->first); | int q = getBase(e->first); | ||
| int f = getField(e->first); | int f = getField(e->first); | ||
| - | for (int i = 0; i < 26; i++) | + | int i; |
| - | if ((pt[q] >> i) & 1) | + | for(i = 0; i < 26; i++) |
| + | { | ||
| + | if ((pt[q] >> i) & 1) | ||
| { | { | ||
| pt[makeField(i, f)] |= pt[p]; | pt[makeField(i, f)] |= pt[p]; | ||
| } | } | ||
| + | } | ||
| } | } | ||
| for(e=loadEdge.begin();e!=loadEdge.end();e++) | for(e=loadEdge.begin();e!=loadEdge.end();e++) | ||
| 行 323: | 行 314: | ||
| int f = getField(e->second); | int f = getField(e->second); | ||
| int q = e->first; | int q = e->first; | ||
| - | for (int i = 0; i < 26; i++) | + | int i; |
| - | if ((pt[p] >> i) & 1) | + | for(i = 0; i < 26; i++) |
| + | { | ||
| + | if ((pt[p] >> i) & 1) | ||
| { | { | ||
| int value = pt[makeField(i, f)]; | int value = pt[makeField(i, f)]; | ||
| 行 333: | 行 326: | ||
| } | } | ||
| } | } | ||
| - | } | + | } |
| - | } | + | |
| - | for(e=allocEdge.begin();e!=allocEdge.end();e++) | + | |
| - | { | + | |
| - | assert(pt[e->second] | (e->first)); | + | |
| - | } | + | |
| - | for (int i = 'A'; i <= 'Z'; i++) | + | |
| - | { | + | |
| - | int src = PointerIndex(i); | + | |
| - | vector<int>::iterator dst; | + | |
| - | for(dst=assignEdge[src].begin();dst!=assignEdge[src].end();dst++) | + | |
| - | { | + | |
| - | assert((pt[*dst] & pt[src]) == pt[src]); | + | |
| - | } | + | |
| - | } | + | |
| - | for(e=storeEdge.begin();e!=storeEdge.end();e++) | + | |
| - | { | + | |
| - | int dst = e->first; | + | |
| - | int src = e->second; | + | |
| - | int base = getBase(dst); | + | |
| - | int f = getField(dst); | + | |
| - | for (int i = 0; i < 26; i++) | + | |
| - | { | + | |
| - | if ((pt[base] >> i) & 1) | + | |
| - | { | + | |
| - | assert((pt[makeField(i, f)] & pt[src]) == pt[src]); | + | |
| - | } | + | |
| - | } | + | |
| - | } | + | |
| - | for(e=loadEdge.begin();e!=loadEdge.end();e++) | + | |
| - | { | + | |
| - | int dst = e->first; | + | |
| - | int src = e->second; | + | |
| - | int base = getBase(src); | + | |
| - | int f = getField(src); | + | |
| - | for (int i = 0; i < 26; i++) | + | |
| - | { | + | |
| - | if ((pt[base] >> i) & 1) | + | |
| - | { | + | |
| - | assert((pt[makeField(i, f)] & pt[dst]) == pt[makeField(i, f)]); | + | |
| - | } | + | |
| } | } | ||
| } | } | ||
| 行 380: | 行 333: | ||
| void output(int x) | void output(int x) | ||
| { | { | ||
| - | for (int i = 0; i < 26; i++) | + | int i; |
| + | for(i = 0; i < 26; i++) | ||
| { | { | ||
| if ((x >> i) & 1) | if ((x >> i) & 1) | ||
| 行 395: | 行 349: | ||
| int n; | int n; | ||
| scanf("%d", &n); | scanf("%d", &n); | ||
| - | for (int i = 1; i <= n; i++) | + | int ii; |
| + | for(ii= 1;ii<= n;ii++) | ||
| { | { | ||
| scanf("%s = %s", receiver, sender); | scanf("%s = %s", receiver, sender); | ||
| int R = checkFieldNode(receiver); | int R = checkFieldNode(receiver); | ||
| int G = checkFieldNode(sender); | int G = checkFieldNode(sender); | ||
| - | if (R != -1 && G != -1) | ||
| - | { | ||
| - | assert(0); | ||
| - | } | ||
| if (R != -1 && G == -1) | if (R != -1 && G == -1) | ||
| { | { | ||
| 行 414: | 行 365: | ||
| if (R == -1 && G == -1) | if (R == -1 && G == -1) | ||
| { | { | ||
| - | if (sender[0] >= 'a' && sender[0] <= 'z') | + | if (sender[0] >= 'a' && sender[0] <= 'z') |
| - | allocEdge.push_back(pair<int,int>(PointerIndex(receiver[0]), ObjectIndex(sender[0]))); | + | { |
| + | allocEdge.push_back(pair<int,int>(PointerIndex(receiver[0]), ObjectIndex(sender[0]))); | ||
| + | } | ||
| else | else | ||
| { | { | ||
| 行 423: | 行 376: | ||
| } | } | ||
| propagate(); | propagate(); | ||
| - | for (char i = 'A'; i <= 'Z'; i++) | + | char i; |
| + | for(i = 'A'; i <= 'Z'; i++) | ||
| { | { | ||
| printf("%c: ",i); | printf("%c: ",i); | ||
| - | for (int j = 0; j < 26; j++) | + | int j; |
| - | if ((pt[PointerIndex(i)] >> j) & 1) | + | for(j = 0; j < 26; j++) |
| + | { | ||
| + | if ((pt[PointerIndex(i)] >> j) & 1) | ||
| { | { | ||
| printf("%c",(char)(j + 'a')); | printf("%c",(char)(j + 'a')); | ||
| } | } | ||
| + | } | ||
| printf("\n"); | printf("\n"); | ||
| } | } | ||
2020-2021/teams/namespace/小型代码分析系统的实现方式.1596687652.txt.gz · 最后更改: 2020/08/06 12:20 由 great_designer
