implemented doubly linked list

include/tlibc/collections/HashMap.h

@@ -4,8 +4,6 @@
 #include "Array.h"
 #include "List.h"
 
-typedef void (*FreeFunction)(void*);
-
 typedef struct HashMapKeyHash {
     str key;
     u32 hash;
@@ -20,14 +18,14 @@ typedef struct HashMapBucket {
 
 typedef struct HashMap_ {
     NULLABLE(HashMapBucket*) table;
-    NULLABLE(FreeFunction) value_destructor;
+    NULLABLE(Destructor_t) value_destructor;
     u32 value_t_size;
     u32 height;
     u16 height_n;
 } HashMap_;
 
 #define HashMap_construct(SELF, T, VALUE_DESTRUCTOR) HashMap_construct_size(SELF, sizeof(T), VALUE_DESTRUCTOR)
-void HashMap_construct_size(HashMap_* self, u32 value_t_size, FreeFunction NULLABLE(value_destructor));
+void HashMap_construct_size(HashMap_* self, u32 value_t_size, Destructor_t NULLABLE(value_destructor));
 void HashMap_destroy(HashMap_* self);
 
 bool HashMap_tryPush(HashMap_* self, const str key, void* value_ptr);
@@ -36,7 +34,7 @@ NULLABLE(void*) HashMap_tryGetPtr(const HashMap_* self, const str key);
 bool HashMap_tryDelete(HashMap_* self, const str key);
 
 
-typedef struct {
+typedef struct HashMapIter {
     const HashMap_* map;
     i32 bucket_n;
     i32 elem_n;

include/tlibc/collections/LList.h

@@ -0,0 +1,91 @@
+#pragma once
+#include "../std.h"
+
+/*
+Doubly linked list
+*/
+
+#define LLNode(T) LLNode_##T
+#define LList(T) LList_##T
+
+#define LList_declare(T) \
+typedef struct LLNode(T) LLNode(T);\
+typedef struct LLNode(T) { \
+    LLNode(T)* prev; \
+    LLNode(T)* next; \
+    T value; \
+} LLNode(T); \
+ \
+static inline LLNode(T)* LLNode_##T##_createZero(){ \
+    LLNode(T)* n = (LLNode(T)*)malloc(sizeof(LLNode(T))); \
+    n->prev = NULL; \
+    n->next = NULL; \
+    memset(&n->value, 0, sizeof(T)); \
+    return n; \
+} \
+ \
+typedef struct LList(T) { \
+    LLNode(T)* first; \
+    LLNode(T)* last; \
+    u32 count; \
+    NULLABLE(void (*value_destructor)(T*)); \
+} LList(T); \
+ \
+/* Peek node from list. Detatched nodes can be inserted in different place. */ \
+static inline LLNode(T)* LList_##T##_detatch(LList(T)* l, LLNode(T)* n) \
+{ return _LList_detatch((void*)l, (void*)n); } \
+ \
+/* @param detatched must have null .next and .prev */ \
+/* @param target can be null only if it is l->first or l->last */ \
+static inline void LList_##T##_insertAfter( \
+    LList(T)* l, LLNode(T)* target, LLNode(T)* detatched) \
+{ _LList_insertAfter((void*)l, (void*)target, (void*)detatched); } \
+ \
+/* @param detatched must have null .next and .prev */ \
+/* @param target can be null only if it is l->first or l->last */ \
+static inline void LList_##T##_insertBefore( \
+    LList(T)* l, LLNode(T)* target, LLNode(T)* detatched) \
+{ _LList_insertBefore((void*)l, (void*)target, (void*)detatched); } \
+ \
+static inline void LList_##T##_destroy(LList(T)* l){ \
+    if(!l) \
+        return; \
+    LLNode(T)* n = l->first; \
+    while(n){ \
+        if(l->value_destructor) \
+            l->value_destructor(&n->value); \
+        LLNode(T)* next = n->next; \
+        free(n); \
+        n = next; \
+    } \
+} \
+
+#define LList_construct(T, VALUE_DESTRUCTOR) ((LList(T)){ \
+    .first = NULL, .last = NULL, .count = 0, .value_destructor = VALUE_DESTRUCTOR })
+
+
+
+typedef struct LLNode_ LLNode_;
+typedef struct LLNode_ {
+    LLNode_* prev;
+    LLNode_* next;
+    /* value of unknown type */
+} LLNode_;
+
+typedef struct LList_ {
+    LLNode_* first;
+    LLNode_* last;
+    u32 count;
+    NULLABLE(Destructor_t) value_destructor;
+} LList_;
+
+/* Peek node from list. Detatched nodes can be inserted in different place. */
+LLNode_* _LList_detatch(LList_* l, LLNode_* n);
+
+/* @param detatched must have null .next and .prev */
+/* @param target can be null only if it is l->first or l->last */
+void _LList_insertAfter(LList_* l, NULLABLE(LLNode_*) target, LLNode_* detatched);
+
+/* @param detatched must have null .next and .prev */
+/* @param target can be null only if it is l->first or l->last */
+void _LList_insertBefore(LList_* l, NULLABLE(LLNode_*) target, LLNode_* detatched);

include/tlibc/collections/List.h

@@ -20,8 +20,10 @@ static inline List_ List_construct_size(void* data_ptr, u32 occupied_size, u32 a
 #define List_alloc(T, INITIAL_COUNT) List_alloc_size((INITIAL_COUNT) * sizeof(T))
 List_ List_alloc_size(u32 initial_size);
 
-static inline void List_destroy(List_ self){
-    free(self.data);
+static inline void List_destroy(List_* self){
+    if(!self)
+        return;
+    free(self->data);
 }
 
 List_ List_copy(List_ src);

include/tlibc/errors.h

@@ -84,9 +84,11 @@ typedef struct Result_ {
 #define _rname(N) __r_##N
 
 #define try(VAR, RESULT_FIELD, RSLT_CALL) _try(VAR, RESULT_FIELD, RSLT_CALL, __LINE__)
-#define try_void(RSLT_CALL) _try_void(RSLT_CALL, __LINE__)
 #define try_fatal(VAR, RESULT_FIELD, RSLT_CALL) _try_fatal(VAR, RESULT_FIELD, RSLT_CALL, __LINE__)
+#define try_void(RSLT_CALL) _try_void(RSLT_CALL, __LINE__)
 #define try_fatal_void(RSLT_CALL) _try_fatal_void(RSLT_CALL, __LINE__)
+#define try_stderrcode(RSLT_CALL) _try_stderrcode(RSLT_CALL, __LINE__)
+#define try_fatal_stderrcode(RSLT_CALL) _try_fatal_stderrcode(RSLT_CALL, __LINE__)
 
 #define _try(VAR, RESULT_FIELD, RSLT_CALL, N) \
     Result_ _rname(N) = RSLT_CALL;\
@@ -120,10 +122,20 @@ typedef struct Result_ {
     };\
 } while(0)
 
-#define try_stderrcode(CALL) do {\
-    int r = CALL;\
-    if(r != 0){\
-        Return RESULT_ERROR_CODE(LIBC_ERRNO, r, strerror_malloc(r), true);\
+#define _try_stderrcode(CALL, N) do {\
+    int _rname(N) = CALL;\
+    if(_rname(N) != 0){\
+        Return RESULT_ERROR_CODE(LIBC_ERRNO, _rname(N), strerror_malloc(_rname(N)), true);\
+    }\
+} while(0)
+
+#define _try_fatal_stderrcode(CALL, N) do {\
+    int _rname(N) = CALL;\
+    if(_rname(N) != 0){\
+        Error_printAndExit(Error_create(\
+            strerror_malloc(_rname(N)), true, ErrorCallPos_here(), \
+            ErrorCodePage_name(LIBC_ERRNO), _rname(N)\
+        ));\
     }\
 } while(0)
 

include/tlibc/std.h

@@ -31,6 +31,7 @@ typedef u8 bool;
 #define false 0
 #endif
 
+typedef void (*Destructor_t)(void* self);
 
 #define FMT_i8      "%"PRIi8
 #define FMT_i16     "%"PRIi16

src/collections/HashMap.c

@@ -13,7 +13,7 @@ static const Array(u32) __HashMap_heights = ARRAY(u32, {
 });
 
 
-void HashMap_construct_size(HashMap_* self, u32 value_t_size, FreeFunction NULLABLE(value_destructor)){
+void HashMap_construct_size(HashMap_* self, u32 value_t_size, Destructor_t NULLABLE(value_destructor)){
     self->value_t_size = value_t_size;
     self->value_destructor = value_destructor;
     self->height_n = 0;

src/collections/LList.c

@@ -0,0 +1,58 @@
+#include "tlibc/collections/LList.h"
+
+LLNode_* _LList_detatch(LList_* l, LLNode_* n){
+    if(n == l->first){
+        l->first = n->next;
+    }
+    else {
+        assert(n->prev != NULL);
+        n->prev->next = n->next;
+    }
+
+    if(n == l->last){
+        l->last = n->prev;
+    }
+    else {
+        assert(n->next != NULL);
+        n->next->prev = n->prev;
+    }
+
+    l->count--;
+    n->prev = NULL;
+    n->next = NULL;
+    return n;
+}
+
+void _LList_insertAfter(LList_* l, NULLABLE(LLNode_*) target, LLNode_* detatched)
+{
+    if(target == NULL){
+        assert(l->first == NULL && l->last == NULL);
+        l->first = detatched;
+        l->last = detatched;
+        return;
+    }
+
+    detatched->prev = target;
+    detatched->next = target->next;
+    target->next = detatched;
+    if(detatched->next){
+        detatched->next->prev = detatched;
+    }
+}
+
+void _LList_insertBefore(LList_* l, NULLABLE(LLNode_*) target, LLNode_* detatched)
+{
+    if(target == NULL){
+        assert(l->first == NULL && l->last == NULL);
+        l->first = detatched;
+        l->last = detatched;
+        return;
+    }
+
+    detatched->prev = target->prev;
+    detatched->next = target;
+    target->prev = detatched;
+    if(detatched->prev){
+        detatched->prev->next = detatched;
+    }
+}