summaryrefslogtreecommitdiffstats
path: root/generic/tclPkg.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclPkg.c')
-rw-r--r--generic/tclPkg.c156
1 files changed, 141 insertions, 15 deletions
diff --git a/generic/tclPkg.c b/generic/tclPkg.c
index df90cea..9ad3cb7 100644
--- a/generic/tclPkg.c
+++ b/generic/tclPkg.c
@@ -17,6 +17,10 @@
#include "tclInt.h"
+MODULE_SCOPE char *tclEmptyStringRep;
+
+char *tclEmptyStringRep = &tclEmptyString;
+
/*
* Each invocation of the "package ifneeded" command creates a structure of
* the following type, which is used to load the package into the interpreter
@@ -28,10 +32,22 @@ typedef struct PkgAvail {
char *script; /* Script to invoke to provide this version of
* the package. Malloc'ed and protected by
* Tcl_Preserve and Tcl_Release. */
+ char *pkgIndex; /* Full file name of pkgIndex file */
struct PkgAvail *nextPtr; /* Next in list of available versions of the
* same package. */
} PkgAvail;
+typedef struct PkgName {
+ struct PkgName *nextPtr; /* Next in list of package names being initialized. */
+ char name[1];
+} PkgName;
+
+typedef struct PkgFiles {
+ PkgName *names; /* Package names being initialized. Must be first field*/
+ Tcl_HashTable table; /* Table which contains files for each package */
+} PkgFiles;
+
+
/*
* For each package that is known in any way to an interpreter, there is one
* record of the following type. These records are stored in the
@@ -81,7 +97,7 @@ static const char * PkgRequireCore(Tcl_Interp *interp, const char *name,
((v) = ckalloc(len), memcpy((v),(s),(len)))
#define DupString(v,s) \
do { \
- unsigned local__len = (unsigned) (strlen(s) + 1); \
+ size_t local__len = strlen(s) + 1; \
DupBlock((v),(s),local__len); \
} while (0)
@@ -189,6 +205,62 @@ Tcl_PkgProvideEx(
*----------------------------------------------------------------------
*/
+static void PkgFilesCleanupProc(ClientData clientData,
+ Tcl_Interp *interp)
+{
+ PkgFiles *pkgFiles = (PkgFiles *) clientData;
+ Tcl_HashSearch search;
+ Tcl_HashEntry *entry;
+
+ while (pkgFiles->names) {
+ PkgName *name = pkgFiles->names;
+ pkgFiles->names = name->nextPtr;
+ ckfree(name);
+ }
+ entry = Tcl_FirstHashEntry(&pkgFiles->table, &search);
+ while (entry) {
+ Tcl_Obj *obj = (Tcl_Obj *)Tcl_GetHashValue(entry);
+ Tcl_DecrRefCount(obj);
+ entry = Tcl_NextHashEntry(&search);
+ }
+ Tcl_DeleteHashTable(&pkgFiles->table);
+ return;
+}
+
+void *TclInitPkgFiles(Tcl_Interp *interp)
+{
+ /* If assocdata "tclPkgFiles" doesn't exist yet, create it */
+ PkgFiles *pkgFiles = Tcl_GetAssocData(interp, "tclPkgFiles", NULL);
+ if (!pkgFiles) {
+ pkgFiles = ckalloc(sizeof(PkgFiles));
+ pkgFiles->names = NULL;
+ Tcl_InitHashTable(&pkgFiles->table, TCL_STRING_KEYS);
+ Tcl_SetAssocData(interp, "tclPkgFiles", PkgFilesCleanupProc, pkgFiles);
+ }
+ return pkgFiles;
+}
+
+void TclPkgFileSeen(Tcl_Interp *interp, const char *fileName)
+{
+ PkgFiles *pkgFiles = (PkgFiles *) Tcl_GetAssocData(interp, "tclPkgFiles", NULL);
+ if (pkgFiles && pkgFiles->names) {
+ const char *name = pkgFiles->names->name;
+ Tcl_HashTable *table = &pkgFiles->table;
+ int new;
+ Tcl_HashEntry *entry = Tcl_CreateHashEntry(table, name, &new);
+ Tcl_Obj *list;
+
+ if (new) {
+ list = Tcl_NewObj();
+ Tcl_SetHashValue(entry, list);
+ Tcl_IncrRefCount(list);
+ } else {
+ list = Tcl_GetHashValue(entry);
+ }
+ Tcl_ListObjAppendElement(interp, list, Tcl_NewStringObj(fileName, -1));
+ }
+}
+
#undef Tcl_PkgRequire
const char *
Tcl_PkgRequire(
@@ -383,7 +455,7 @@ PkgRequireCore(
if (pkgPtr->clientData != NULL) {
Tcl_SetObjResult(interp, Tcl_ObjPrintf(
"circular package dependency:"
- " attempt to provide %s %s requires %s",
+ " attempt to provide %s %s requires %s",
name, (char *) pkgPtr->clientData, name));
AddRequirementsToResult(interp, reqc, reqv);
Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "CIRCULARITY", NULL);
@@ -489,12 +561,26 @@ PkgRequireCore(
*/
char *versionToProvide = bestPtr->version;
+ PkgFiles *pkgFiles;
+ PkgName *pkgName;
script = bestPtr->script;
pkgPtr->clientData = versionToProvide;
- Tcl_Preserve(script);
Tcl_Preserve(versionToProvide);
+ Tcl_Preserve(script);
+ pkgFiles = TclInitPkgFiles(interp);
+ /* Push "ifneeded" package name in "tclPkgFiles" assocdata. */
+ pkgName = ckalloc(sizeof(PkgName) + strlen(name));
+ pkgName->nextPtr = pkgFiles->names;
+ strcpy(pkgName->name, name);
+ pkgFiles->names = pkgName;
+ if (bestPtr->pkgIndex) {
+ TclPkgFileSeen(interp, bestPtr->pkgIndex);
+ }
code = Tcl_EvalEx(interp, script, -1, TCL_EVAL_GLOBAL);
+ /* Pop the "ifneeded" package name from "tclPkgFiles" assocdata*/
+ pkgFiles->names = pkgName->nextPtr;
+ ckfree(pkgName);
Tcl_Release(script);
pkgPtr = FindPackage(interp, name);
@@ -764,14 +850,14 @@ Tcl_PackageObjCmd(
Tcl_Obj *const objv[]) /* Argument objects. */
{
static const char *const pkgOptions[] = {
- "forget", "ifneeded", "names", "prefer", "present",
- "provide", "require", "unknown", "vcompare", "versions",
- "vsatisfies", NULL
+ "files", "forget", "ifneeded", "names", "prefer",
+ "present", "provide", "require", "unknown", "vcompare",
+ "versions", "vsatisfies", NULL
};
enum pkgOptions {
- PKG_FORGET, PKG_IFNEEDED, PKG_NAMES, PKG_PREFER, PKG_PRESENT,
- PKG_PROVIDE, PKG_REQUIRE, PKG_UNKNOWN, PKG_VCOMPARE, PKG_VERSIONS,
- PKG_VSATISFIES
+ PKG_FILES, PKG_FORGET, PKG_IFNEEDED, PKG_NAMES, PKG_PREFER,
+ PKG_PRESENT, PKG_PROVIDE, PKG_REQUIRE, PKG_UNKNOWN, PKG_VCOMPARE,
+ PKG_VERSIONS, PKG_VSATISFIES
};
Interp *iPtr = (Interp *) interp;
int optionIndex, exact, i, satisfies;
@@ -794,11 +880,37 @@ Tcl_PackageObjCmd(
return TCL_ERROR;
}
switch ((enum pkgOptions) optionIndex) {
+ case PKG_FILES: {
+ PkgFiles *pkgFiles;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 2, objv, "package");
+ return TCL_ERROR;
+ }
+ pkgFiles = (PkgFiles *) Tcl_GetAssocData(interp, "tclPkgFiles", NULL);
+ if (pkgFiles) {
+ Tcl_HashEntry *entry = Tcl_FindHashEntry(&pkgFiles->table, Tcl_GetString(objv[2]));
+ if (entry) {
+ Tcl_SetObjResult(interp, (Tcl_Obj *)Tcl_GetHashValue(entry));
+ }
+ }
+ break;
+ }
case PKG_FORGET: {
const char *keyString;
+ PkgFiles *pkgFiles = (PkgFiles *) Tcl_GetAssocData(interp, "tclPkgFiles", NULL);
for (i = 2; i < objc; i++) {
keyString = TclGetString(objv[i]);
+ if (pkgFiles) {
+ hPtr = Tcl_FindHashEntry(&pkgFiles->table, keyString);
+ if (hPtr) {
+ Tcl_Obj *obj = Tcl_GetHashValue(hPtr);
+ Tcl_DeleteHashEntry(hPtr);
+ Tcl_DecrRefCount(obj);
+ }
+ }
+
hPtr = Tcl_FindHashEntry(&iPtr->packageTable, keyString);
if (hPtr == NULL) {
continue;
@@ -813,6 +925,9 @@ Tcl_PackageObjCmd(
pkgPtr->availPtr = availPtr->nextPtr;
Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
+ if (availPtr->pkgIndex) {
+ Tcl_EventuallyFree(availPtr->pkgIndex, TCL_DYNAMIC);
+ }
ckfree(availPtr);
}
ckfree(pkgPtr);
@@ -842,7 +957,7 @@ Tcl_PackageObjCmd(
} else {
pkgPtr = FindPackage(interp, argv2);
}
- argv3 = Tcl_GetStringFromObj(objv[3], &length);
+ argv3 = TclGetStringFromObj(objv[3], &length);
for (availPtr = pkgPtr->availPtr, prevPtr = NULL; availPtr != NULL;
prevPtr = availPtr, availPtr = availPtr->nextPtr) {
@@ -863,6 +978,9 @@ Tcl_PackageObjCmd(
return TCL_OK;
}
Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
+ if (availPtr->pkgIndex) {
+ Tcl_EventuallyFree(availPtr->pkgIndex, TCL_DYNAMIC);
+ }
break;
}
}
@@ -873,6 +991,7 @@ Tcl_PackageObjCmd(
}
if (availPtr == NULL) {
availPtr = ckalloc(sizeof(PkgAvail));
+ availPtr->pkgIndex = 0;
DupBlock(availPtr->version, argv3, (unsigned) length + 1);
if (prevPtr == NULL) {
@@ -883,7 +1002,11 @@ Tcl_PackageObjCmd(
prevPtr->nextPtr = availPtr;
}
}
- argv4 = Tcl_GetStringFromObj(objv[4], &length);
+ if (iPtr->scriptFile) {
+ argv4 = TclGetStringFromObj(iPtr->scriptFile, &length);
+ DupBlock(availPtr->pkgIndex, argv4, (unsigned) length + 1);
+ }
+ argv4 = TclGetStringFromObj(objv[4], &length);
DupBlock(availPtr->script, argv4, (unsigned) length + 1);
break;
}
@@ -1034,7 +1157,7 @@ Tcl_PackageObjCmd(
if (iPtr->packageUnknown != NULL) {
ckfree(iPtr->packageUnknown);
}
- argv2 = Tcl_GetStringFromObj(objv[2], &length);
+ argv2 = TclGetStringFromObj(objv[2], &length);
if (argv2[0] == 0) {
iPtr->packageUnknown = NULL;
} else {
@@ -1220,7 +1343,7 @@ FindPackage(
void
TclFreePackageInfo(
- Interp *iPtr) /* Interpereter that is being deleted. */
+ Interp *iPtr) /* Interpreter that is being deleted. */
{
Package *pkgPtr;
Tcl_HashSearch search;
@@ -1238,6 +1361,9 @@ TclFreePackageInfo(
pkgPtr->availPtr = availPtr->nextPtr;
Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC);
Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC);
+ if (availPtr->pkgIndex) {
+ Tcl_EventuallyFree(availPtr->pkgIndex, TCL_DYNAMIC);
+ }
ckfree(availPtr);
}
ckfree(pkgPtr);
@@ -1682,7 +1808,7 @@ AddRequirementsToResult(
int i, length;
for (i = 0; i < reqc; i++) {
- const char *v = Tcl_GetStringFromObj(reqv[i], &length);
+ const char *v = TclGetStringFromObj(reqv[i], &length);
if ((length & 0x1) && (v[length/2] == '-')
&& (strncmp(v, v+((length+1)/2), length/2) == 0)) {
@@ -1895,7 +2021,7 @@ Tcl_PkgInitStubsCheck(
{
const char *actualVersion = Tcl_PkgPresent(interp, "Tcl", version, 0);
- if (exact && actualVersion) {
+ if ((exact&1) && actualVersion) {
const char *p = version;
int count = 0;