Replaced kernel_oops with error(), and added an enum to clarify the cases where invoke_selector should stop

svn-id: r41095
This commit is contained in:
Filippos Karapetis 2009-06-01 08:00:58 +00:00
parent 76bd1b7c0e
commit c730e0290d
7 changed files with 23 additions and 33 deletions

View file

@ -471,12 +471,6 @@ SciKernelFunction kfunct_mappers[] = {
static const char *argtype_description[] = { "Undetermined (WTF?)", "List", "Node", "Object", "Reference", "Arithmetic" }; static const char *argtype_description[] = { "Undetermined (WTF?)", "List", "Node", "Object", "Reference", "Arithmetic" };
int kernel_oops(EngineState *s, const char *file, int line, const char *reason) {
sciprintf("Kernel Oops in file %s, line %d: %s\n", file, line, reason);
error("Kernel Oops in file %s, line %d: %s", file, line, reason);
return 0;
}
// Allocates a set amount of memory for a specified use and returns a handle to it. // Allocates a set amount of memory for a specified use and returns a handle to it.
reg_t kalloc(EngineState *s, const char *type, int space) { reg_t kalloc(EngineState *s, const char *type, int space) {
reg_t reg; reg_t reg;

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@ -49,6 +49,11 @@ extern int _debug_step_running;
/******************** Selector functionality ********************/ /******************** Selector functionality ********************/
enum SelectorInvocation {
kStopOnInvalidSelector = 0,
kContinueOnInvalidSelector = 1
};
#define GET_SEL32(_o_, _slc_) read_selector(s, _o_, s->_vocabulary->_selectorMap._slc_, __FILE__, __LINE__) #define GET_SEL32(_o_, _slc_) read_selector(s, _o_, s->_vocabulary->_selectorMap._slc_, __FILE__, __LINE__)
#define GET_SEL32V(_o_, _slc_) (GET_SEL32(_o_, _slc_).offset) #define GET_SEL32V(_o_, _slc_) (GET_SEL32(_o_, _slc_).offset)
#define GET_SEL32SV(_o_, _slc_) ((int16)(GET_SEL32(_o_, _slc_).offset)) #define GET_SEL32SV(_o_, _slc_) ((int16)(GET_SEL32(_o_, _slc_).offset))
@ -81,7 +86,7 @@ extern int _debug_step_running;
reg_t read_selector(EngineState *s, reg_t object, Selector selector_id, const char *fname, int line); reg_t read_selector(EngineState *s, reg_t object, Selector selector_id, const char *fname, int line);
void write_selector(EngineState *s, reg_t object, Selector selector_id, reg_t value, const char *fname, int line); void write_selector(EngineState *s, reg_t object, Selector selector_id, reg_t value, const char *fname, int line);
int invoke_selector(EngineState *s, reg_t object, int selector_id, int noinvalid, int kfunct, int invoke_selector(EngineState *s, reg_t object, int selector_id, SelectorInvocation noinvalid, int kfunct,
StackPtr k_argp, int k_argc, const char *fname, int line, int argc, ...); StackPtr k_argp, int k_argc, const char *fname, int line, int argc, ...);
@ -100,7 +105,6 @@ char *kernel_lookup_text(EngineState *s, reg_t address, int index);
/******************** Debug functionality ********************/ /******************** Debug functionality ********************/
#define KERNEL_OOPS(reason) kernel_oops(s, __FILE__, __LINE__, reason)
bool is_object(EngineState *s, reg_t obj); bool is_object(EngineState *s, reg_t obj);
/* Checks whether a heap address contains an object /* Checks whether a heap address contains an object
@ -138,14 +142,6 @@ byte *kernel_dereference_bulk_pointer(EngineState *s, reg_t pointer, int entries
** reg_t dereferenciation also assures alignedness of data. ** reg_t dereferenciation also assures alignedness of data.
*/ */
int kernel_oops(EngineState *s, const char *file, int line, const char *reason);
/* Halts script execution and informs the user about an internal kernel error or failed assertion
** Parameters: (EngineState *) s: The state to use
** (const char *) file: The file the oops occured in
** (int) line: The line the oops occured in
** (const char *) reason: Reason for the kernel oops
*/
/******************** Priority macros/functions ********************/ /******************** Priority macros/functions ********************/
int _find_priority_band(EngineState *s, int band); int _find_priority_band(EngineState *s, int band);

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@ -1818,7 +1818,7 @@ int _k_view_list_dispose_loop(EngineState *s, List *list, GfxDynView *widget, in
} }
if (is_object(s, obj)) { if (is_object(s, obj)) {
if (invoke_selector(INV_SEL(obj, delete_, 1), 0)) if (invoke_selector(INV_SEL(obj, delete_, kContinueOnInvalidSelector), 0))
warning("Object at %04x:%04x requested deletion, but does not have a delete funcselector", PRINT_REG(obj)); warning("Object at %04x:%04x requested deletion, but does not have a delete funcselector", PRINT_REG(obj));
if (_k_animate_ran) { if (_k_animate_ran) {
warning("Object at %04x:%04x invoked kAnimate() during deletion", PRINT_REG(obj)); warning("Object at %04x:%04x invoked kAnimate() during deletion", PRINT_REG(obj));
@ -1979,7 +1979,7 @@ static void _k_make_view_list(EngineState *s, GfxList **widget_list, List *list,
if (!(signal & _K_VIEW_SIG_FLAG_FROZEN)) { if (!(signal & _K_VIEW_SIG_FLAG_FROZEN)) {
debugC(2, kDebugLevelGraphics, " invoking %04x:%04x::doit()\n", PRINT_REG(obj)); debugC(2, kDebugLevelGraphics, " invoking %04x:%04x::doit()\n", PRINT_REG(obj));
invoke_selector(INV_SEL(obj, doit, 1), 0); // Call obj::doit() if neccessary invoke_selector(INV_SEL(obj, doit, kContinueOnInvalidSelector), 0); // Call obj::doit() if neccessary
// Lookup node again, since the NodeTable it was in may // Lookup node again, since the NodeTable it was in may

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@ -175,7 +175,7 @@ reg_t _k_new_node(EngineState *s, reg_t value, reg_t key) {
Node *n = s->seg_manager->alloc_Node(&nodebase); Node *n = s->seg_manager->alloc_Node(&nodebase);
if (!n) { if (!n) {
KERNEL_OOPS("Out of memory while creating a node"); error("[Kernel] Out of memory while creating a node");
return NULL_REG; return NULL_REG;
} }
@ -458,7 +458,7 @@ reg_t kSort(EngineState *s, int funct_nr, int argc, reg_t *argv) {
i = 0; i = 0;
while (node) { while (node) {
invoke_selector(INV_SEL(order_func, doit, 0), 1, node->value); invoke_selector(INV_SEL(order_func, doit, kStopOnInvalidSelector), 1, node->value);
temp_array[i].key = node->key; temp_array[i].key = node->key;
temp_array[i].value = node->value; temp_array[i].value = node->value;
temp_array[i].order = s->r_acc; temp_array[i].order = s->r_acc;

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@ -558,9 +558,9 @@ reg_t kDoBresen(EngineState *s, int funct_nr, int argc, reg_t *argv) {
debugC(2, kDebugLevelBresen, "New data: (x,y)=(%d,%d), di=%d\n", x, y, bdi); debugC(2, kDebugLevelBresen, "New data: (x,y)=(%d,%d), di=%d\n", x, y, bdi);
if (s->_vocabulary->_selectorMap.cantBeHere != -1) if (s->_vocabulary->_selectorMap.cantBeHere != -1)
invoke_selector(INV_SEL(client, cantBeHere, 0), 0); invoke_selector(INV_SEL(client, cantBeHere, kStopOnInvalidSelector), 0);
else else
invoke_selector(INV_SEL(client, canBeHere, 0), 0); invoke_selector(INV_SEL(client, canBeHere, kStopOnInvalidSelector), 0);
s->r_acc = not_register(s, s->r_acc); s->r_acc = not_register(s, s->r_acc);
@ -577,7 +577,7 @@ reg_t kDoBresen(EngineState *s, int funct_nr, int argc, reg_t *argv) {
if (s->version > SCI_VERSION_0) if (s->version > SCI_VERSION_0)
if (completed) if (completed)
invoke_selector(INV_SEL(mover, moveDone, 0), 0); invoke_selector(INV_SEL(mover, moveDone, kStopOnInvalidSelector), 0);
return make_reg(0, completed); return make_reg(0, completed);
} }
@ -622,7 +622,7 @@ reg_t kDoAvoider(EngineState *s, int funct_nr, int argc, reg_t *argv) {
debugC(2, kDebugLevelBresen, "Doing avoider %04x:%04x (dest=%d,%d)\n", PRINT_REG(avoider), destx, desty); debugC(2, kDebugLevelBresen, "Doing avoider %04x:%04x (dest=%d,%d)\n", PRINT_REG(avoider), destx, desty);
if (invoke_selector(INV_SEL(mover, doit, 1) , 0)) { if (invoke_selector(INV_SEL(mover, doit, kContinueOnInvalidSelector) , 0)) {
error("Mover %04x:%04x of avoider %04x:%04x doesn't have a doit() funcselector", PRINT_REG(mover), PRINT_REG(avoider)); error("Mover %04x:%04x of avoider %04x:%04x doesn't have a doit() funcselector", PRINT_REG(mover), PRINT_REG(avoider));
return NULL_REG; return NULL_REG;
} }
@ -631,7 +631,7 @@ reg_t kDoAvoider(EngineState *s, int funct_nr, int argc, reg_t *argv) {
if (!mover.segment) // Mover has been disposed? if (!mover.segment) // Mover has been disposed?
return s->r_acc; // Return gracefully. return s->r_acc; // Return gracefully.
if (invoke_selector(INV_SEL(client, isBlocked, 1) , 0)) { if (invoke_selector(INV_SEL(client, isBlocked, kContinueOnInvalidSelector) , 0)) {
error("Client %04x:%04x of avoider %04x:%04x doesn't" error("Client %04x:%04x of avoider %04x:%04x doesn't"
" have an isBlocked() funcselector", PRINT_REG(client), PRINT_REG(avoider)); " have an isBlocked() funcselector", PRINT_REG(client), PRINT_REG(avoider));
return NULL_REG; return NULL_REG;
@ -662,7 +662,7 @@ reg_t kDoAvoider(EngineState *s, int funct_nr, int argc, reg_t *argv) {
debugC(2, kDebugLevelBresen, "Pos (%d,%d): Trying angle %d; delta=(%d,%d)\n", oldx, oldy, angle, move_x, move_y); debugC(2, kDebugLevelBresen, "Pos (%d,%d): Trying angle %d; delta=(%d,%d)\n", oldx, oldy, angle, move_x, move_y);
if (invoke_selector(INV_SEL(client, canBeHere, 1) , 0)) { if (invoke_selector(INV_SEL(client, canBeHere, kContinueOnInvalidSelector) , 0)) {
error("Client %04x:%04x of avoider %04x:%04x doesn't" error("Client %04x:%04x of avoider %04x:%04x doesn't"
" have a canBeHere() funcselector", PRINT_REG(client), PRINT_REG(avoider)); " have a canBeHere() funcselector", PRINT_REG(client), PRINT_REG(avoider));
return NULL_REG; return NULL_REG;
@ -696,7 +696,7 @@ reg_t kDoAvoider(EngineState *s, int funct_nr, int argc, reg_t *argv) {
s->r_acc = make_reg(0, angle); s->r_acc = make_reg(0, angle);
if (looper.segment) { if (looper.segment) {
if (invoke_selector(INV_SEL(looper, doit, 1), 2, angle, client)) { if (invoke_selector(INV_SEL(looper, doit, kContinueOnInvalidSelector), 2, angle, client)) {
error("Looper %04x:%04x of avoider %04x:%04x doesn't" error("Looper %04x:%04x of avoider %04x:%04x doesn't"
" have a doit() funcselector", PRINT_REG(looper), PRINT_REG(avoider)); " have a doit() funcselector", PRINT_REG(looper), PRINT_REG(avoider));
} else } else

View file

@ -56,7 +56,7 @@ void write_selector(EngineState *s, reg_t object, Selector selector_id, reg_t va
*address = value; *address = value;
} }
int invoke_selector(EngineState *s, reg_t object, int selector_id, int noinvalid, int kfunct, int invoke_selector(EngineState *s, reg_t object, int selector_id, SelectorInvocation noinvalid, int kfunct,
StackPtr k_argp, int k_argc, const char *fname, int line, int argc, ...) { StackPtr k_argp, int k_argc, const char *fname, int line, int argc, ...) {
va_list argp; va_list argp;
int i; int i;
@ -71,10 +71,10 @@ int invoke_selector(EngineState *s, reg_t object, int selector_id, int noinvalid
slc_type = lookup_selector(s, object, selector_id, NULL, &address); slc_type = lookup_selector(s, object, selector_id, NULL, &address);
if (slc_type == kSelectorNone) { if (slc_type == kSelectorNone) {
error("Selector '%s' of object at %04x:%04x could not be invoked (%s L%d)", warning("Selector '%s' of object at %04x:%04x could not be invoked (%s L%d)",
s->_vocabulary->getSelectorName(selector_id).c_str(), PRINT_REG(object), fname, line); s->_vocabulary->getSelectorName(selector_id).c_str(), PRINT_REG(object), fname, line);
if (noinvalid == 0) if (noinvalid == kStopOnInvalidSelector)
KERNEL_OOPS("Not recoverable: VM was halted\n"); error("[Kernel] Not recoverable: VM was halted\n");
return 1; return 1;
} }
if (slc_type == kSelectorVariable) // Swallow silently if (slc_type == kSelectorVariable) // Swallow silently

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@ -229,7 +229,7 @@ reg_t kParse(EngineState *s, int funct_nr, int argc, reg_t *argv) {
s->r_acc = make_reg(0, 1); s->r_acc = make_reg(0, 1);
PUT_SEL32V(event, claimed, 1); PUT_SEL32V(event, claimed, 1);
invoke_selector(INV_SEL(s->game_obj, syntaxFail, 0), 2, s->parser_base, stringpos); invoke_selector(INV_SEL(s->game_obj, syntaxFail, kStopOnInvalidSelector), 2, s->parser_base, stringpos);
/* Issue warning */ /* Issue warning */
debugC(2, kDebugLevelParser, "Tree building failed\n"); debugC(2, kDebugLevelParser, "Tree building failed\n");
@ -253,7 +253,7 @@ reg_t kParse(EngineState *s, int funct_nr, int argc, reg_t *argv) {
debugC(2, kDebugLevelParser, "Word unknown: %s\n", error); debugC(2, kDebugLevelParser, "Word unknown: %s\n", error);
/* Issue warning: */ /* Issue warning: */
invoke_selector(INV_SEL(s->game_obj, wordFail, 0), 2, s->parser_base, stringpos); invoke_selector(INV_SEL(s->game_obj, wordFail, kStopOnInvalidSelector), 2, s->parser_base, stringpos);
free(error); free(error);
return make_reg(0, 1); /* Tell them that it dind't work */ return make_reg(0, 1); /* Tell them that it dind't work */
} }