backup

minimake/src/hash_map/hash.c

@@ -1,27 +0,0 @@
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "hash_map.h"
-
-/*
-** Hash the key using FNV-1a 32 bits hash algorithm.
-*/
-size_t hash(const char *key)
-{
-    if (!key)
-        return 0;
-
-    uint32_t hash = 2166136261; // FNV offset basis
-    uint32_t prime = 16777619; // FNV prime
-
-    while (*key)
-    {
-        hash ^= *key;
-        hash *= prime;
-        key++;
-    }
-
-    return hash;
-}

minimake/src/hash_map/hash_map.c

@@ -1,11 +1,34 @@
 #include "hash_map.h"
 
 #include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-struct hash_map *hashMapInit(size_t size) {
+/*
+** Hash the key using FNV-1a 32 bits hash algorithm.
+*/
+size_t hash(const char *key)
+{
+    if (!key)
+        return 0;
+
+    uint32_t hash = 2166136261; // FNV offset basis
+    uint32_t prime = 16777619; // FNV prime
+
+    while (*key)
+    {
+        hash ^= *key;
+        hash *= prime;
+        key++;
+    }
+
+    return hash;
+}
+
+struct hash_map *hashMapInit(size_t size)
+{
     struct pair_list **data = calloc(size, sizeof(struct pair_list));
     struct hash_map *map = malloc(sizeof(struct hash_map));
     map->data = data;
@@ -14,8 +37,10 @@ struct hash_map *hashMapInit(size_t size) {
 }
 
 bool hashMapInsert(struct hash_map *hash_map, const char *key, char *value,
-                   bool *updated) {
+                   bool *updated)
-  if (hash_map == NULL || hash_map->data == NULL || hash_map->size == 0) {
+{
+    if (hash_map == NULL || hash_map->data == NULL || hash_map->size == 0)
+    {
         if (updated)
             *updated = false;
         return false;
@@ -26,8 +51,10 @@ bool hashMapInsert(struct hash_map *hash_map, const char *key, char *value,
     size_t entry_hash = hash(key) % hash_map->size;
     // Search if key is already present
     struct pair_list *elt = hash_map->data[entry_hash];
-  while (elt != NULL) {
+    while (elt != NULL)
-    if (strcmp(elt->key, key) == 0) {
+    {
+        if (strcmp(elt->key, key) == 0)
+        {
             elt->value = value;
             if (updated)
                 *updated = true;
@@ -52,15 +79,18 @@ bool hashMapInsert(struct hash_map *hash_map, const char *key, char *value,
     return true;
 }
 
-void hashMapFree(struct hash_map *hash_map) {
+void hashMapFree(struct hash_map *hash_map)
+{
     if (hash_map == NULL)
         return;
     if (hash_map->data == NULL)
         return;
 
-  for (size_t i = 0; i < hash_map->size; i++) {
+    for (size_t i = 0; i < hash_map->size; i++)
+    {
         struct pair_list *entry = hash_map->data[i];
-    while (entry != NULL) {
+        while (entry != NULL)
+        {
             struct pair_list *next = entry->next;
             free(entry);
             entry = next;
@@ -70,16 +100,20 @@ void hashMapFree(struct hash_map *hash_map) {
     free(hash_map);
 }
 
-void hashMapDump(struct hash_map *hash_map) {
+void hashMapDump(struct hash_map *hash_map)
-  for (size_t i = 0; i < hash_map->size; i++) {
+{
+    for (size_t i = 0; i < hash_map->size; i++)
+    {
         struct pair_list *entry = hash_map->data[i];
         bool is_null = true;
-    if (entry != NULL) {
+        if (entry != NULL)
+        {
             is_null = false;
             printf("%s: %s", entry->key, entry->value);
             entry = entry->next;
         }
-    while (entry != NULL) {
+        while (entry != NULL)
+        {
             printf(", %s: %s", entry->key, entry->value);
             entry = entry->next;
         }
@@ -88,13 +122,15 @@ void hashMapDump(struct hash_map *hash_map) {
     }
 }
 
-const char *hashMapGet(const struct hash_map *hash_map, const char *key) {
+const char *hashMapGet(const struct hash_map *hash_map, const char *key)
+{
     if (hash_map == NULL || hash_map->data == NULL || hash_map->size == 0)
         return NULL;
 
     size_t entry_hash = hash(key) % hash_map->size;
     struct pair_list *entry = hash_map->data[entry_hash];
-  while (entry != NULL && strcmp(entry->key, key) != 0) {
+    while (entry != NULL && strcmp(entry->key, key) != 0)
+    {
         entry = entry->next;
     }
     if (entry == NULL)
@@ -103,7 +139,8 @@ const char *hashMapGet(const struct hash_map *hash_map, const char *key) {
     return entry->value;
 }
 
-bool hashMapRemove(struct hash_map *hash_map, const char *key) {
+bool hashMapRemove(struct hash_map *hash_map, const char *key)
+{
     if (hash_map == NULL || hash_map->size == 0 || hash_map->data == NULL)
         return false;
 
@@ -112,7 +149,8 @@ bool hashMapRemove(struct hash_map *hash_map, const char *key) {
 
     if (entry == NULL)
         return false;
-  if (strcmp(entry->key, key) == 0) {
+    if (strcmp(entry->key, key) == 0)
+    {
         hash_map->data[entry_hash] = entry->next;
         free(entry);
         return true;
@@ -120,7 +158,8 @@ bool hashMapRemove(struct hash_map *hash_map, const char *key) {
 
     if (entry->next == NULL)
         return false;
-  while (strcmp(entry->next->key, key) != 0) {
+    while (strcmp(entry->next->key, key) != 0)
+    {
         entry = entry->next;
         if (entry->next == NULL)
             return false;

minimake/src/lines/lines.c

@@ -0,0 +1,68 @@
+#include "lines.h"
+
+#include <ctype.h>
+#include <err.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+// Helps to match a string (excludes blanks and special characters)
+int isChar(char c)
+{
+    return c != '\0' && !isblank(c) && c != ':' && c != '=' && c != '#';
+}
+
+int skipBlanks(char *buf, size_t buf_len)
+{
+    size_t i = 0;
+    while (i < buf_len && isblank(buf[i]))
+        i++;
+    return i;
+}
+
+// Returns 1 if line is blank
+int isBlankLine(struct line *l)
+{
+    size_t line_size = l->length;
+    char *buf = l->buffer;
+
+    size_t i = 0;
+    while (i < line_size)
+    {
+        if (!isblank(buf[i]))
+            return 0;
+        if (buf[i] == '#') // Comments
+            return 1;
+        i++;
+    }
+    return 1;
+}
+
+// Returns the next word from buf until buf_len,
+// and the numbers of read characters in *read_chars
+// WARNING allocates the result on the heap
+char *readWord(char *buf, size_t buf_len, size_t *read_chars)
+{
+    size_t i = 0;
+    size_t str_buf_size = STRING_BUFFER_SIZE;
+    char *str_buf = malloc(sizeof(char) * str_buf_size);
+    while (i < buf_len && isChar(buf[i]))
+    {
+        // Reallocate more space if necessary
+        if (i >= str_buf_size - 1)
+        {
+            str_buf_size += STRING_BUFFER_SIZE;
+            str_buf = realloc(str_buf, str_buf_size);
+            if (str_buf == NULL)
+                errx(2, "Could not realloc");
+        }
+
+        str_buf[i] = buf[i];
+        i++;
+    }
+
+    str_buf[i] = '\0';
+    *read_chars = i;
+
+    return str_buf;
+}

minimake/src/lines/lines.h

@@ -0,0 +1,25 @@
+#ifndef LINES_H
+#define LINES_H
+
+#define STRING_BUFFER_SIZE 32
+
+#include <stddef.h>
+#include <stdio.h>
+
+// Holds line information
+// Exists only because of EPITA's annoying 4 parameters limit
+// WARNING buffer must be freed after use
+struct line
+{
+    char* buffer;       // Line content
+    size_t length;      // Line length
+    size_t number;      // Line number in file
+    FILE* file_stream;  // Full file stream
+};
+
+int isChar(char c);
+int isBlankLine(struct line *l);
+int skipBlanks(char *buf, size_t buf_len);
+char *readWord(char *buf, size_t buf_len, size_t *read_chars);
+
+#endif // LINES_H

minimake/src/list/list.h

@@ -5,7 +5,7 @@
 
 struct list
 {
-    int data;
+    void* data;
     struct list *next;
 };
 
@@ -13,7 +13,7 @@ struct list
 ** Insert a node containing `value` at the beginning of the list.
 ** Return `NULL` if an error occured.
 */
-struct list *list_prepend(struct list *list, int value);
+struct list *list_prepend(struct list *list, void* value);
 
 /*
 ** Return the lenght of the list.
@@ -38,7 +38,7 @@ void list_destroy(struct list *list);
 ** Return `NULL` if an error occured.
 */
 // START PROTO list_append
-struct list *list_append(struct list *list, int value);
+struct list *list_append(struct list *list, void* value);
 // END PROTO list_append
 
 /*
@@ -48,7 +48,7 @@ struct list *list_append(struct list *list, int value);
 ** Return `NULL` if an error occured.
 */
 // START PROTO list_insert
-struct list *list_insert(struct list *list, int value, size_t index);
+struct list *list_insert(struct list *list, void* value, size_t index);
 // END PROTO list_insert
 
 /*
@@ -64,7 +64,7 @@ struct list *list_remove(struct list *list, size_t index);
 ** Return `-1` if nothing is found.
 */
 // START PROTO list_find
-int list_find(struct list *list, int value);
+int list_find(struct list *list, void* value);
 // END PROTO list_find
 
 /*

minimake/src/list/list_advanced.c

@@ -4,7 +4,7 @@
 
 #include "list.h"
 
-struct list *list_insert(struct list *list, int value, size_t index)
+struct list *list_insert(struct list *list, void *value, size_t index)
 {
     if (list == NULL || index == 0)
     {
@@ -65,7 +65,7 @@ struct list *list_remove(struct list *list, size_t index)
     return list;
 }
 
-int list_find(struct list *list, int value)
+int list_find(struct list *list, void *value)
 {
     if (list == NULL)
     {

minimake/src/list/list_basic.c

@@ -3,7 +3,7 @@
 
 #include "list.h"
 
-struct list *list_prepend(struct list *list, int value)
+struct list *list_prepend(struct list *list, void *value)
 {
     struct list *new_elt = malloc(sizeof(struct list));
     if (new_elt == NULL)
@@ -27,26 +27,26 @@ size_t list_length(struct list *list)
     return len;
 }
 
-void list_print(struct list *list)
+// void list_print(struct list *list)
-{
+// {
-    if (list == NULL)
+//     if (list == NULL)
-    {
+//     {
-        return;
+//         return;
-    }
+//     }
 
-    while (list != NULL)
+//     while (list != NULL)
-    {
+//     {
-        if (list->next != NULL)
+//         if (list->next != NULL)
-        {
+//         {
-            printf("%d ", list->data);
+//             printf("%p ", list->data);
-        }
+//         }
-        else
+//         else
-        {
+//         {
-            printf("%d\n", list->data);
+//             printf("%p\n", list->data);
-        }
+//         }
-        list = list->next;
+//         list = list->next;
-    }
+//     }
-}
+// }
 
 void list_destroy(struct list *list)
 {
@@ -60,7 +60,7 @@ void list_destroy(struct list *list)
     }
 }
 
-struct list *list_append(struct list *list, int value)
+struct list *list_append(struct list *list, void *value)
 {
     if (list == NULL)
     {

minimake/src/list/list_ultimate.c

@@ -5,7 +5,7 @@
 
 void swap_next(struct list *elt)
 {
-    int c = elt->next->data;
+    void *c = elt->next->data;
     elt->next->data = elt->data;
     elt->data = c;
 }

minimake/src/list_void/list.c

@@ -1,46 +0,0 @@
-#include "list.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-struct list *list_prepend(struct list *list, const void *value,
-                          size_t data_size)
-{
-    struct list *new_node = malloc(sizeof(struct list));
-    if (new_node == NULL)
-    {
-        return NULL;
-    }
-    void *node_data = malloc(data_size);
-    if (node_data == NULL)
-    {
-        return NULL;
-    }
-    new_node->data = node_data;
-    memcpy(node_data, value, data_size);
-    new_node->next = list;
-    return new_node;
-}
-
-size_t list_length(struct list *list)
-{
-    size_t res = 0;
-    while (list != NULL)
-    {
-        list = list->next;
-        res++;
-    }
-    return res;
-}
-
-void list_destroy(struct list *list)
-{
-    struct list *next;
-    while (list != NULL)
-    {
-        next = list->next;
-        free(list->data);
-        free(list);
-        list = next;
-    }
-}

minimake/src/list_void/list.h

@@ -1,31 +0,0 @@
-#ifndef LIST_H
-#define LIST_H
-
-#include <stddef.h>
-
-struct list
-{
-    void *data;
-    struct list *next;
-};
-
-/*
-** Insert a node containing `value` at the beginning of the list.
-** Return `NULL` if an error occurred.
-*/
-struct list *list_prepend(struct list *list, const void *value,
-                          size_t data_size);
-
-/*
-** Return the length of the list.
-** Return `0` if the list is empty.
-*/
-size_t list_length(struct list *list);
-
-/*
-** Release the memory used by the list.
-** Does nothing if `list` is `NULL`.
-*/
-void list_destroy(struct list *list);
-
-#endif /* ! LIST_H */

minimake/src/minimake.c

@@ -1,18 +1,16 @@
-#include "list/list.h"
 #define _POSIX_C_SOURCE 200809L
 
-// Default values
+#include "minimake.h"
-#define BUFFER_SIZE 1024
-#define STRING_BUFFER_SIZE 32
-#define HASHMAP_SIZE 32
 
 #include <ctype.h>
 #include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "hash_map/hash_map.h"
-#include "minimake.h"
+#include "lines/lines.h"
+#include "list/list.h"
 
 // Static variables
 struct hash_map *variables = NULL;
@@ -20,49 +18,6 @@ struct hash_map *rules = NULL;
 
 // ==== Parsing ====
 
-// Helps to match a string (excludes blanks and special characters)
-static int isChar(char c)
-{
-    return c != '\0' && !isblank(c) && c != ':' && c != '=' && c != '#';
-}
-
-// Returns the next word from buf until buf_len,
-// and the numbers of read characters in *read_chars
-// WARNING allocates the result on the heap
-static char *readWord(char *buf, size_t buf_len, size_t *read_chars)
-{
-    size_t i = 0;
-    size_t str_buf_size = STRING_BUFFER_SIZE;
-    char *str_buf = malloc(sizeof(char) * str_buf_size);
-    while (i < buf_len && isChar(buf[i]))
-    {
-        // Reallocate more space if necessary
-        if (i >= str_buf_size - 1)
-        {
-            str_buf_size += STRING_BUFFER_SIZE;
-            str_buf = realloc(str_buf, str_buf_size);
-            if (str_buf == NULL)
-                errx(2, "Could not realloc");
-        }
-
-        str_buf[i] = buf[i];
-        i++;
-    }
-
-    str_buf[i] = '\0';
-    *read_chars = i;
-
-    return str_buf;
-}
-
-static int skipBlanks(char *buf, size_t buf_len)
-{
-    size_t i = 0;
-    while (i < buf_len && isblank(buf[i]))
-        i++;
-    return i;
-}
-
 // Registers a new variable and returns its pointer
 // WARNING Allocates memory on the heap,
 // the variables hashmap should be freed before exit
@@ -115,8 +70,11 @@ static struct list *readDependencies(char *buf, size_t buf_size)
             res = list_append(res, dep_name);
         i += skipped_chars;
 
-        // TODO handle comments here
+        // Comments
+        if (buf[i] == '#')
+            return res;
 
+        // Unknown chars
         if (!isChar(buf[i]) && !isblank(buf[i]) && buf[i] != '\0')
             errx(2, "Unexpected character '%c'", buf[i]);
     }
@@ -124,27 +82,70 @@ static struct list *readDependencies(char *buf, size_t buf_size)
     return res;
 }
 
-static int isBlankLine(struct line *l)
+// Searches the following lines for recipes and returns them in the form of a
+// list
+// WARNING begins to read the following line
+static struct list *readRecipe(struct line *l)
 {
-    size_t line_size = l->length;
+    FILE *stream = l->file_stream;
     char *buf = l->buffer;
+    size_t buf_size = BUFFER_SIZE;
 
-    size_t i = 0;
+    struct list *res = NULL;
-    while (i < line_size)
+
+    // Getline
+    while ((l->length = getline(&buf, &buf_size, stream)))
     {
-        if (!isblank(buf[i]))
+        l->number++;
-            return 0;
+
-        if (buf[i] == '#') // Comment
+        // Skip blank lines and comments
-            return 1;
+        if (isBlankLine(l))
+            continue;
+        else if (buf[0] != '\t') // Not a recipe
+        {
+            l->buffer = buf; // Update buffer !
+            return res;
         }
-    return 1;
+        else // Add recipe to list
+        {
+            char *command = strdup(buf + 1);
+            if (command == NULL)
+                errx(1, "Internal error: couldn't duplicate string (%lu:1)",
+                     l->number);
+
+            res = list_append(res, command);
+        }
+    }
+
+    l->buffer = buf;
+    return res;
 }
 
-static struct list *readRecipe()
+// Reads the value after a variable declaration
+static char *readValue(char *buf, size_t buf_size)
 {
-    // Getline
+    size_t i = 0;
-    // Skip blank lines and comments
+    size_t str_buf_size = STRING_BUFFER_SIZE;
-    //
+    char *str_buf = malloc(sizeof(char) * str_buf_size);
+
+    while (i < buf_size && buf[i] != '\0' && buf[i] != '#')
+    {
+        // Reallocate more space if necessary
+        if (i >= str_buf_size - 1)
+        {
+            str_buf_size += STRING_BUFFER_SIZE;
+            str_buf = realloc(str_buf, str_buf_size);
+            if (str_buf == NULL)
+                errx(2, "Could not realloc");
+        }
+
+        str_buf[i] = buf[i];
+        i++;
+    }
+
+    str_buf[i] = '\0';
+
+    return str_buf;
 }
 
 // Takes a buffer containing the line to parse and it length
@@ -175,14 +176,16 @@ static void parseLine(struct line *current_line)
     // Variable
     case '=':
         new_variable = createVariable(name);
-        // Read value
+        new_variable->value = readValue(buf + i, line_size);
         break;
 
     // Rule
     case ':':
         new_rule = createRule(name);
-        // Read dependencies
+        new_rule->dependencies = readDependencies(buf + i, line_size);
-        // Read recipe
+        new_rule->recipe = readRecipe(current_line);
+        parseLine(current_line);
+        // TODO: check for loooooops
         break;
 
     // Blank line
@@ -226,6 +229,7 @@ void makeParse(char *path)
     ssize_t nread;
     struct line current_line;
     current_line.number = 1;
+    current_line.file_stream = stream;
     while ((nread = getline(&buf, &buf_size, stream)) != -1)
     {
         if (nread == -1)

minimake/src/minimake.h

@@ -1,6 +1,11 @@
 #ifndef MINIMAKE_H
 #define MINIMAKE_H
 
+#define BUFFER_SIZE 1024
+#define HASHMAP_SIZE 32
+
+#include <stdio.h>
+
 #include "list/list.h"
 
 // Holds variable information
@@ -20,16 +25,6 @@ struct rule
     struct list *recipe;
 };
 
-// Holds line information
-// Exists only because of EPITA's annoying 4 parameters limit
-// WARNING buffer must be freed after use
-struct line
-{
-    char* buffer;
-    size_t number;
-    size_t length;
-};
-
 int make(char *path, int flags);
 
 #endif // ! MINIMAKE_H