char* test_stack_order() {
stack* s = newStack();
struct stackelem* e1 = newStackElem(NULL);
struct stackelem* e2 = newStackElem(NULL);
struct stackelem* e3 = newStackElem(NULL);
stackPush(s, e1);
stackPush(s, e2);
stackPush(s, e3);
mu_assert("popping only elements should return them in reverse order (LIFO)", stackPop(s) == e3);
mu_assert("popping only elements should return them in reverse order (LIFO)", stackPop(s) == e2);
mu_assert("popping only elements should return them in reverse order (LIFO)", stackPop(s) == e1);
mu_assert("after popping all elements, stack should be null", stackPop(s) == NULL);
free(s);
free(e1);
free(e2);
free(e3);
return 0;
}
/*******************************************************************
** Move float to param stack (assumes they both fit in a single CELL)
** f>s
*******************************************************************/
static void FFrom(FICL_VM *pVM)
{
CELL c;
#if FICL_ROBUST > 1
vmCheckFStack(pVM, 1, 0);
vmCheckStack(pVM, 0, 1);
#endif
c = stackPop(pVM->fStack);
stackPush(pVM->pStack, c);
return;
}
void
errorClean(void)
{
if (error_text) {
int i;
for (i = ERR_NONE + 1; i < error_page_count; i++)
safe_free(error_text[i]);
safe_free(error_text);
}
while (ErrorDynamicPages.count)
errorDynamicPageInfoDestroy(stackPop(&ErrorDynamicPages));
error_page_count = 0;
}
/* this function is used to execute closingBracket in multiple case
*/
void executeClosingBracket( Stack *dataStack, Stack *operatorStack)
{
Number *num ;
Operator *Remove;
Remove = stackPop(operatorStack);
if( Remove == NULL || Remove->info->id !=OPEN_BRACKET)
Throw(ERR_NO_OPENING_BRACKET);
if( stackisEmpty(dataStack) )
Throw( ERR_NO_NUMBER );
}
int testge(int pc)
{
int var = stackPop(&stack);
if(var >= 0)
{
stackPush(&stack, 1);
}
else
{
stackPush(&stack, 0);
}
return pc + 1;
}
void showMeFact( int n ) {
Stack * s = makeStack( NULL );
int i = n;
int fact = 1;
void ** frameVars;
/*
* Push all frames onto the stack, emulating the process
* that would take place during recursion.
*/
for( ; i>=0; i-- ) {
/*
* The next line is included to make clear the role of the base
* case test in this iterative implementation.
*/
if( i == 0 ) break;
stackPush( s, 1, (uintptr_t)i );
}
/*
* Print thet stack after we hit our base cose to see what it
* actually looks like.
*
* We know we hit our base case here, because if we were writing
* a fact function recursively, we would stop at 0, which is where
* the loop ends.
*
* Add more calls to stackPrint around the function if you want to
* see the state of the stack at different points during the calculation.
*/
printf( "Stack contents at factorial base case:\n" );
stackPrint( s );
/*
* Pop the frames off of our stack, and perform the operation
* that we perform on the way back up from our base case.
*/
for( ; i < n; i++ ) {
frameVars = stackPop( s );
printf( "popped:\n" );
fact *= (uintptr_t)frameVars[0];
free( frameVars );
stackPrint( s );
printf( "Intermediate fact value: %d\n\n", fact );
}
printf( "\nfact %d: %d\n", n, fact );
}
/**
* Hlavní program.
*/
int main(void) {
tStack s;
stackInit(&s);
tiskniZasobnik(&s);
prazdnyZasobnik(&s);
stackPush(&s, 1);
tiskniZasobnik(&s);
prazdnyZasobnik(&s);
stackPush(&s, 2);
stackPush(&s, 3);
stackPush(&s, 4);
tiskniZasobnik(&s);
prazdnyZasobnik(&s);
int pom = 0;
stackTop(&s, &pom);
stackPop(&s);
printf("Vyjmuli jsme: %d\n",pom);
stackTop(&s, &pom);
stackPop(&s);
printf("Vyjmuli jsme: %d\n",pom);
tiskniZasobnik(&s);
prazdnyZasobnik(&s);
stackDelete(&s);
tiskniZasobnik(&s);
prazdnyZasobnik(&s);
return EXIT_SUCCESS;
}
void tryEvaluatePrefixOperatorOnStackThenPush(Operator *newToken,Stack *numberStack,Stack *operatorStack)
{
Operator *previousToken=(Operator*)stackPop(operatorStack);
if(previousToken == NULL){
stackPush(newToken,operatorStack);
}
else{
while(previousToken!=NULL)
{
if(newToken->info->id ==CLOSING_BRACKET_OP){
if(previousToken->info->id == OPENING_BRACKET_OP){
operatorPrefixEvaluate(numberStack ,previousToken);
free(newToken);
if(previousToken->info->id == OPENING_BRACKET_OP){
previousToken=(Operator*)stackPop(operatorStack);
break;
}
}else {
operatorEvaluate(numberStack,previousToken);
}
}else if(newToken->info->precedence >= previousToken->info->precedence || ((Operator*)newToken)->info->id==OPENING_BRACKET_OP ){
break;
}
else{
operatorEvaluate(numberStack,previousToken);
}
previousToken=(Operator*)stackPop(operatorStack);
}
if(previousToken!=NULL ){
stackPush(previousToken,operatorStack);
}
if(newToken->info->affix == PREFIX){
stackPush(newToken,operatorStack);
}
}
}
//将二叉搜索树转换为双端列表
struct node *treeToList(struct node *root)
{
if (NULL == root)
{
return root;
}
struct node *current = root, *head = NULL, *prev = NULL;
struct stack *s;
while (current != NULL)
{
stackPush(s, current);
current = current->small;
}
while(!stackEmpty(s))
{
current = stackPop(s);
if (NULL == head)
{
head = current;
}
current->small = prev;
if (prev != NULL)
{
prev->large = current;
}
prev = current;
if (current->large != NULL)
{
current = current->large;
while (current != NULL)
{
stackPush(s, current);
current = current->small;
}
}
}
if (prev != NULL)
{
prev->large = NULL;
}
return head;
}
void coverNodes(CDGNode * root, CDGNode * nodes[], int size) {
assert(NULL != root);
if (0 == size)
return;
Stack *nodeStack = stackNew(sizeof(CDGNode *));
CDGNode *node;
postOrder(root, nodeStack);
while (!stackIsEmpty(nodeStack)) {
stackPop(nodeStack, &node);
visitIfExists(node, nodes, size);
}
updateCDG(root, 0);
return;
}
CDGNode *updateCDG(CDGNode * root, int initialize) {
int size = sizeof(CDGNode *);
assert(NULL != root);
Stack *nodeStack = stackNew(size);
CDGNode *node;
postOrder(root, nodeStack);
while (!stackIsEmpty(nodeStack)) {
stackPop(nodeStack, &node);
updateScore(node, initialize);
}
stackFree(nodeStack);
return root;
}
void funcExit(char* AssignLval){
printf("AssignLval: \"%s\" \n",AssignLval);
symAssignFunctionReturn(AssignLval);
funcVars* fv = (funcVars*) malloc (sizeof(funcVars));
stackPop(symStack, (&fv));
int j;
for(j=0; j < fv->noOfVars; j++){
deleteEntryUsingVar(fv->vars[j]);
del_vnameHash(fv->vars[j]);
}
//free(fv);
printf("Stack depth %d\n", stackSize(symStack));
}
void tryEvaluateOperatorOnStackThenPush(Operator *newToken,Stack *numberStack,Stack *operatorStack){
Operator *previousToken;
previousToken=(Operator*)stackPop(operatorStack);
if(previousToken==NULL){
stackPush(newToken,operatorStack);
}else{
while(previousToken!=NULL){
if(newToken->info->precedence > previousToken->info->precedence){
break;
}
else{
operatorEvaluate(numberStack,previousToken);
}
previousToken=(Operator*)stackPop(operatorStack);
}
if(previousToken!=NULL ){
stackPush(previousToken,operatorStack);
}
stackPush(newToken,operatorStack);
}
}
BINTREE *createBinTree()
{
int k;
FILE *file = fopen("input.txt", "r");
BINTREENODE *p, *t;
BINTREE *bt;
bt = malloc(sizeof(BINTREE));
memset(bt, 0, sizeof(BINTREE));
STACK stack;
stack.top = 0;
char c;
c = getc(file);
while (c != '#') {
switch (c)
{
case '(':
stackPush(&stack, (int)p);
k = 1;
break;
case ')':
stackPop(&stack, (int *)&t);
break;
case ',':
k = 2;
break;
default:
p = malloc(sizeof(BINTREENODE));
memset(p, 0, sizeof(BINTREENODE));
p->data = c;
if (bt->root == NULL) {
bt->root = p;
}
else {
if (k == 1) {
stackGet(&stack, (int *)&t);
t->left = p;
}
else {
stackGet(&stack, (int *)&t);
t->right= p;
}
}
break;
}
c = getc(file);
}
fclose(file);
return bt;
}
int remFromBasket(Customer *c)
{
if(c==NULL)
{
printf("Error: No customer to process.");
return -1;
}
basketItem *b = stackPop(c->basket);
c->quantity-=getItemQuantity(b);
delBasketItem(b);
return 0;
}
int main()
{
int failed = 0;
test1(&failed);
stack_t anotherstack;
int stackElem;
int result = stackCreate( &anotherstack, 8 );
if(result == 0)
for(int i=10; i < 50; i+=10)
stackPush(&anotherstack, i);
while( stackPop(&anotherstack, &stackElem) == 0 ){
printf(" Poped out element : %d \n",stackElem);
}
return 0;
}
void test_stackPop_given_6_should_pop_6(void)
{
stackNew(4);
stackPush(&stack , 6);
UnityAssertEqualNumber((_U_SINT)((6)), (_U_SINT)((stackPop(&stack))), (((void *)0)), (_U_UINT)68, UNITY_DISPLAY_STYLE_INT);
UnityAssertEqualNumber((_U_SINT)((0)), (_U_SINT)((stack.size)), (((void *)0)), (_U_UINT)69, UNITY_DISPLAY_STYLE_INT);
}
/*
** Pomocná funkce untilLeftPar.
** Slou¾í k vyprázdnìní zásobníku a¾ po levou závorku, pøièem¾ levá závorka
** bude také odstranìna. Pokud je zásobník prázdný, provádìní funkce se ukonèí.
**
** Operátory odstraòované ze zásobníku postupnì vkládejte do výstupního pole
** znakù postExpr. Délka pøevedeného výrazu a té¾ ukazatel na první volné
** místo, na které se má zapisovat, pøedstavuje parametr postLen.
**
** Aby se minimalizoval poèet pøístupù ke struktuøe zásobníku, mù¾ete zde
** nadeklarovat a pou¾ívat pomocnou promìnnou typu.
*/
void untilLeftPar ( tStack* s, char* postExpr, unsigned* postLen ) {
char tmp;
while(!stackEmpty(s)) {
// Vyjmi znak zo zasobnika
stackTop(s, &tmp);
stackPop(s);
// V pripade lavej zatvorky ukonci cyklus
if (tmp == '(')
break;
// Prirad znak do vyrazu a zvecsi dlzku
postExpr[(*postLen)++] = tmp;
}
}
// Returns NULL to indicate failure
// Otherwise, return the root node md of the AST.
// The receiver must call freeElement(md) to release AST memory.
ModelDescription* parse(const char* xmlPath) {
ModelDescription* md = NULL;
FILE *file;
int done = 0;
stack = stackNew(100, 10);
if (!checkPointer(stack)) return NULL; // failure
parser = XML_ParserCreate(NULL);
if (!checkPointer(parser)) return NULL; // failure
XML_SetElementHandler(parser, startElement, endElement);
XML_SetCharacterDataHandler(parser, handleData);
file = fopen(xmlPath, "rb");
if (file == NULL) {
fprintf(stderr,"Cannot open file '%s'\n", xmlPath);
XML_ParserFree(parser);
return NULL; // failure
}
while (!done) {
int n = fread(text, sizeof(char), XMLBUFSIZE, file);
if (n != XMLBUFSIZE) done = 1;
if (!XML_Parse(parser, text, n, done)){
fprintf(stderr,"Parse error in file %s at line %d:\n%s\n",
xmlPath,
(int)XML_GetCurrentLineNumber(parser),
XML_ErrorString(XML_GetErrorCode(parser)));
while (! stackIsEmpty(stack)) md = stackPop(stack);
if (md) freeElement(md);
cleanup(file);
return NULL; // failure
}
}
md = stackPop(stack);
assert(stackIsEmpty(stack));
cleanup(file);
//printElement(1, md); // debug
return md; // success if all refs are valid
}
/*
* Iterates over the stack of paths to either:
* Add the specified path if it does not exist
* Delete the specified path if it does exist
* Paths should be absolute to function
*/
int pathFind(int flag, char *path)
{
struct node *curr = pathStack, *prev = NULL;
int found = 0;
if (path == NULL) {
fprintf(stderr, "ERROR: path required\n");
return -1;
}
/* Make last character a / */
if (strcmp(path + strlen(path) - 1, "/") != 0)
strcat(path, "/");
/* Find path if in list */
while (curr != NULL) {
if (strcmp(curr->str, path) == 0) {
found = 1;
break;
}
prev = curr;
curr = curr->last;
}
/* Add or delete path according to flag */
if (found == 1) {
if (flag == 1) {
fprintf(stderr, "ERROR: path already present\n");
return -1;
} else if (flag == -1 && prev == NULL) {
pathStack = stackPop(pathStack);
return 0;
} else if (flag == -1) {
prev->last = curr->last;
return 0;
}
} else {
if (flag == 1) {
pathStack = stackPush(pathStack, path);
return 0;
} else if (flag == -1) {
fprintf(stderr, "ERROR: path not found\n");
return -1;
}
}
fprintf(stderr, "ERROR: path find failed\n");
return -1;
}
void
TVisitor::genBooleanOp(TokenKind op)
{
castTosAndPrevToSameNumType();
switch (op) {
case tOR:
bc()->addInsn(NUMERIC_INSN(tosType(), ADD)); break;
case tAND:
bc()->addInsn(NUMERIC_INSN(tosType(), MUL)); break;
default: break;
}
stackPop();
booleanizeTos();
}
int freeCustomer(Customer *c)
{
if(c!=NULL)
{
while(stackIsEmpty(c->basket)==0)
stackPop(c->basket);
stackFree(c->basket);
free(c);
return 0;
}
else
{
return -1;
}
}
// set up FM for iteration so that the first key subsequently produced
// by VG_(nextIterFM) is the smallest key in the map >= start_at.
// Naturally ">=" is defined by the comparison function supplied to
// VG_(newFM), as documented above.
void VG_(initIterAtFM) ( WordFM* fm, UWord start_at )
{
Int i;
AvlNode *n, *t;
Word cmpresS; /* signed */
UWord cmpresU; /* unsigned */
tl_assert(fm);
stackClear(fm);
if (!fm->root)
return;
n = NULL;
// We need to do regular search and fill in the stack.
t = fm->root;
while (True) {
if (t == NULL) return;
cmpresS
= fm->kCmp ? /*boxed*/ fm->kCmp( t->key, start_at )
: /*unboxed*/ cmp_unsigned_Words( t->key, start_at );
if (cmpresS == 0) {
// We found the exact key -- we are done.
// The iteration should start with this node.
stackPush(fm, t, 2);
// The stack now looks like {2, 2, ... ,2, 2}
return;
}
cmpresU = (UWord)cmpresS;
cmpresU >>=/*unsigned*/ (8 * sizeof(cmpresU) - 1);
if (!cmpresU) {
// Push this node only if we go to the left child.
stackPush(fm, t, 2);
}
t = t->child[cmpresU];
}
if (stackPop(fm, &n, &i)) {
// If we've pushed something to stack and did not find the exact key,
// we must fix the top element of stack.
tl_assert(i == 2);
stackPush(fm, n, 3);
// the stack looks like {2, 2, ..., 2, 3}
}
}
void
TVisitor::genNumericOp(TokenKind op)
{
castTosAndPrevToSameNumType();
switch (op) {
case tADD:
bc()->addInsn(NUMERIC_INSN(tosType(), ADD)); break;
case tSUB:
bc()->addInsn(NUMERIC_INSN(tosType(), SUB)); break;
case tMUL:
bc()->addInsn(NUMERIC_INSN(tosType(), MUL)); break;
case tDIV:
bc()->addInsn(NUMERIC_INSN(tosType(), DIV)); break;
default: break;
}
stackPop();
}
int queuePeek(queue_t * queue,DATA_TYPE *data){
if( StackIsEmpty((queue->s1)) && StackIsEmpty((queue->s2)) )
return 0;
DATA_TYPE tempdata;
if(StackIsEmpty((queue->s2)) ){
while(stackPop((queue->s1),&tempdata))
stackPush((queue->s2),tempdata);
}
stackPeek((queue->s2),data);
return 1;
}
void traverse(int k,void (*visit)(int))
{
link_t x;
int t;
stackInit(100);
stackPush(k);
while(!stackEmpty()){
t=stackPop();
if(visited[t]==0)
visit(t);
visited[t]=1;
Push(adj[t]);
}
}
int evaluateExpression(char *expression){
Token *token;
Stack *numberStack=createStack();
Stack *operatorStack=createStack();
if(expression ==NULL){
Throw(ERR_NO_ARGUMENT);
}
Text *newText=textNew(expression);
String *tokenizer = stringNew(newText);
token=getToken(tokenizer);
if(token->type == IDENTIFIER_TOKEN){
Throw(ERR_NOT_ACCEPT_IDENTIFIER);
}else{
while(token!=NULL){
if(isOperator(token)){
if(((Operator*)token)->info->affix!=PREFIX)
tryConvertToPrefix((Operator*)token);
stackPush(token,operatorStack);
}else if(isNumber(token)){
stackPush(token,numberStack);
break;
}else
Throw(ERR_INVALID_IDENTIFIER);
token=getToken(tokenizer);
if(token==NULL)
break;
}
}
while((token=getToken(tokenizer))!=NULL ){
evaluatePostfixesPrefixesAndInfixes(expression,token,numberStack,operatorStack);
}
evaluateAllOperatorOnStack(numberStack,operatorStack);
Number *result=(Number*)stackPop(numberStack);
destroyStack(numberStack);
if(operatorStack !=NULL){
destroyStack(operatorStack);
}
return result->value;
}
static int check_iden_kmerList ( STACK * stack1, STACK * stack2 )
{
KMER_PT * ite1, *ite2;
if ( !stack1->item_c || !stack2->item_c ) // one of them is empty
{ return 0; }
while ( ( ite1 = ( KMER_PT * ) stackPop ( stack1 ) ) != NULL && ( ite2 = ( KMER_PT * ) stackPop ( stack2 ) ) != NULL )
{
if ( !KmerEqual ( ite1->kmer, ite2->kmer ) )
{ return 0; }
}
if ( stack1->item_c || stack2->item_c ) // one of them is not empty
{ return 0; }
else
{ return 1; }
}
void main()
{
stack s;
stackNew(&s);
printf("LSize = %d\tASize = %d\n", s.LSize, s.ASize);
int i;
for( i = 0; i < 9; i++ )
{
stackPush(&s, i*i);
}
printf("LSize = %d\tASize = %d\n", s.LSize, s.ASize);
for( i = 0; i < 7; i++ )
{
printf("Pop returns %d\n", stackPop(&s));
}
printf("LSize = %d\tASize = %d\n", s.LSize, s.ASize);
stackDispose(&s);
}
void binaryTreeTravesalInOrder(Node *rootPtr){
Stack *stackPtr = stackNew();
Node *currentNode;
currentNode = rootPtr;
currentNode->state = ENTERED_NODE;
while(1){
if(currentNode->state == ENTERED_NODE){
if(currentNode->left != NULL){
stackPush(stackPtr,currentNode);
currentNode = currentNode->left;
currentNode->state = ENTERED_NODE;
}
else
currentNode->state = VISITED_LEFT_NODE;
}
if(currentNode->state == VISITED_LEFT_NODE){
if(currentNode->right != NULL){
display(currentNode->data);
stackPush(stackPtr,currentNode);
currentNode = currentNode->right;
currentNode->state = ENTERED_NODE;
}
else{
display(currentNode->data);
currentNode->state = VISITED_RIGHT_NODE;
}
}
if(currentNode->state == VISITED_RIGHT_NODE){
currentNode = stackPop(stackPtr);
if(currentNode == NULL)
break;
if(currentNode->state == ENTERED_NODE)
currentNode->state = VISITED_LEFT_NODE;
else if(currentNode->state == VISITED_LEFT_NODE)
currentNode->state = VISITED_RIGHT_NODE;
}
}
stackDel(stackPtr);
}