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comparison Python/compile.c @ 5453:9c6c07d449df legacy-trunk

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Get rid of obsolete support for access statement.
author Guido van Rossum <guido@python.org>
date Fri, 09 May 1997 00:58:02 +0000
parents e926c331ebbf
children 19d4a2874645
comparison
equal deleted inserted replaced
5452:2a875199a71e 5453:9c6c07d449df
2162 i = com_newlocal_o(c, nameval); 2162 i = com_newlocal_o(c, nameval);
2163 Py_DECREF(nameval); 2163 Py_DECREF(nameval);
2164 return i; 2164 return i;
2165 } 2165 }
2166 2166
2167 #ifdef SUPPORT_OBSOLETE_ACCESS
2168
2169 #define strequ(a, b) (strcmp((a), (b)) == 0)
2170
2171 static void
2172 com_access_stmt(c, n)
2173 struct compiling *c;
2174 node *n;
2175 {
2176 int i, j, k, mode, imode;
2177 PyObject *vmode;
2178 REQ(n, access_stmt);
2179 /* 'access' NAME (',' NAME)* ':' accesstype (',' accesstype)*
2180 accesstype: NAME+ */
2181
2182 /* Find where the colon is */
2183 i = 1;
2184 while (TYPE(CHILD(n,i-1)) != COLON)
2185 i += 1;
2186
2187 /* Calculate the mode mask */
2188 mode = 0;
2189 for (j = i; j < NCH(n); j += 2) {
2190 int r = 0, w = 0, p = 0;
2191 for (k = 0; k < NCH(CHILD(n,j)); k++) {
2192 if (strequ(STR(CHILD(CHILD(n,j),k)), "public"))
2193 p = 0;
2194 else if (strequ(STR(CHILD(CHILD(n,j),k)), "protected"))
2195 p = 1;
2196 else if (strequ(STR(CHILD(CHILD(n,j),k)), "private"))
2197 p = 2;
2198 else if (strequ(STR(CHILD(CHILD(n,j),k)), "read"))
2199 r = 1;
2200 else if (strequ(STR(CHILD(CHILD(n,j),k)), "write"))
2201 w = 1;
2202 else /* XXX should make this an exception */
2203 fprintf(stderr, "bad access type %s\n",
2204 STR(CHILD(CHILD(n,j),k)));
2205 }
2206 if (r == 0 && w == 0)
2207 r = w = 1;
2208 if (p == 0) {
2209 if (r == 1) mode |= AC_R_PUBLIC;
2210 if (w == 1) mode |= AC_W_PUBLIC;
2211 } else if (p == 1) {
2212 if (r == 1) mode |= AC_R_PROTECTED;
2213 if (w == 1) mode |= AC_W_PROTECTED;
2214 } else {
2215 if (r == 1) mode |= AC_R_PRIVATE;
2216 if (w == 1) mode |= AC_W_PRIVATE;
2217 }
2218 }
2219 vmode = PyInt_FromLong((long)mode);
2220 imode = com_addconst(c, vmode);
2221 Py_XDECREF(vmode);
2222 for (i = 1; TYPE(CHILD(n,i-1)) != COLON; i+=2) {
2223 com_addoparg(c, LOAD_CONST, imode);
2224 com_addopname(c, ACCESS_MODE, CHILD(n, i));
2225 }
2226 }
2227 #endif
2228
2229 static void 2167 static void
2230 com_exec_stmt(c, n) 2168 com_exec_stmt(c, n)
2231 struct compiling *c; 2169 struct compiling *c;
2232 node *n; 2170 node *n;
2233 { 2171 {
2936 com_import_stmt(c, n); 2874 com_import_stmt(c, n);
2937 break; 2875 break;
2938 case global_stmt: 2876 case global_stmt:
2939 com_global_stmt(c, n); 2877 com_global_stmt(c, n);
2940 break; 2878 break;
2941 #ifdef SUPPORT_OBSOLETE_ACCESS
2942 case access_stmt:
2943 com_access_stmt(c, n);
2944 break;
2945 #endif
2946 case exec_stmt: 2879 case exec_stmt:
2947 com_exec_stmt(c, n); 2880 com_exec_stmt(c, n);
2948 break; 2881 break;
2949 case assert_stmt: 2882 case assert_stmt:
2950 com_assert_stmt(c, n); 2883 com_assert_stmt(c, n);