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Fix for SF [ 734869 ] Lambda functions in list comprehensions The compiler was reseting the list comprehension tmpname counter for each function, but the symtable was using the same counter for the entire module. Repair by move tmpname into the symtable entry. Bugfix candidate.
author Jeremy Hylton <jeremy@alum.mit.edu>
date Wed, 21 May 2003 17:34:50 +0000
parents ed28b9752f8d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 /* Support for dynamic loading of extension modules */
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3
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4 #include "Python.h"
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5 #include "importdl.h"
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6
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7 #include <Aliases.h>
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8 #include <CodeFragments.h>
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9 #ifdef USE_GUSI1
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10 #include "TFileSpec.h" /* for Path2FSSpec() */
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11 #endif
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12 #include <Files.h>
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13 #include <TextUtils.h>
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14 #include "macdefs.h"
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15 #include "macglue.h"
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16
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17
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18 const struct filedescr _PyImport_DynLoadFiletab[] = {
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19 {".slb", "rb", C_EXTENSION},
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20 {".carbon.slb", "rb", C_EXTENSION},
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21 {0, 0}
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22 };
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23
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24
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25 dl_funcptr _PyImport_GetDynLoadFunc(const char *fqname, const char *shortname,
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26 const char *pathname, FILE *fp)
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27 {
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28 dl_funcptr p;
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29 char funcname[258];
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30
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31 /*
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32 ** Dynamic loading of CFM shared libraries on the Mac. The
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33 ** code has become more convoluted than it was, because we
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34 ** want to be able to put multiple modules in a single
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35 ** file. For this reason, we have to determine the fragment
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36 ** name, and we cannot use the library entry point but we have
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37 ** to locate the correct init routine "by hand".
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38 */
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39 FSSpec libspec;
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40 CFragConnectionID connID;
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41 Ptr mainAddr;
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42 Str255 errMessage;
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43 OSErr err;
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44 #ifndef USE_GUSI1
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45 Boolean isfolder, didsomething;
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46 #endif
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47 char buf[512];
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48 Str63 fragname;
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49 Ptr symAddr;
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50 CFragSymbolClass class;
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51
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52 /* First resolve any aliases to find the real file */
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53 #ifdef USE_GUSI1
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54 err = Path2FSSpec(pathname, &libspec);
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55 #else
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56 c2pstrcpy((unsigned char *)buf, pathname);
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57 (void)FSMakeFSSpec(0, 0, (unsigned char *)buf, &libspec);
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58 err = ResolveAliasFile(&libspec, 1, &isfolder, &didsomething);
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59 #endif
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60 if ( err ) {
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61 PyOS_snprintf(buf, sizeof(buf),
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62 "%.200s: %.200s", pathname, PyMac_StrError(err));
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63 PyErr_SetString(PyExc_ImportError, buf);
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64 return NULL;
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65 }
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66 /* Next, determine the fragment name,
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67 by stripping '.slb' and 'module' */
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68 memcpy(fragname+1, libspec.name+1, libspec.name[0]);
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69 fragname[0] = libspec.name[0];
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70 if( strncmp((char *)(fragname+1+fragname[0]-4),
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71 ".slb", 4) == 0 )
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72 fragname[0] -= 4;
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73 if ( strncmp((char *)(fragname+1+fragname[0]-6),
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74 "module", 6) == 0 )
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75 fragname[0] -= 6;
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76 /* Load the fragment
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77 (or return the connID if it is already loaded */
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78 err = GetDiskFragment(&libspec, 0, 0, fragname,
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79 kLoadCFrag, &connID, &mainAddr,
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80 errMessage);
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81 if ( err == cfragImportTooOldErr || err == cfragImportTooNewErr ) {
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82 /*
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83 ** Special-case code: if PythonCore is too old or too new this means
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84 ** the dynamic module was meant for a different Python.
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85 */
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86 if (errMessage[0] == 10 && strncmp((char *)errMessage+1, "PythonCore", 10) == 0 ) {
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87 PyOS_snprintf(buf, sizeof(buf),
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88 "Dynamic module was built for %s version of MacPython",
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89 (err == cfragImportTooOldErr ? "a newer" : "an older"));
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90 PyErr_SetString(PyExc_ImportError, buf);
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91 return NULL;
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92 }
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93 }
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94 if ( err ) {
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95 PyOS_snprintf(buf, sizeof(buf), "%.*s: %.200s",
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96 errMessage[0], errMessage+1,
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97 PyMac_StrError(err));
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98 PyErr_SetString(PyExc_ImportError, buf);
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99 return NULL;
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100 }
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101 /* Locate the address of the correct init function */
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102 PyOS_snprintf(funcname, sizeof(funcname), "init%.200s", shortname);
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103 err = FindSymbol(connID, Pstring(funcname), &symAddr, &class);
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104 if ( err ) {
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105 PyOS_snprintf(buf, sizeof(buf), "%s: %.200s",
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106 funcname, PyMac_StrError(err));
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107 PyErr_SetString(PyExc_ImportError, buf);
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108 return NULL;
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109 }
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110 p = (dl_funcptr)symAddr;
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111
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112 return p;
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113 }