- WIP (dynamic function structure implementation started; only function type at the moment; running)

src/ext/xregex.h

@@ -0,0 +1,21 @@
+/*!
+ * @file xregex.h
+ * @brief
+ * @details
+ *   Project: \n
+ * Subsystem: \n
+ *    Module: \n
+ *      Code: GNU-C\n
+ *
+ * @date 01.03.2017
+ * @author SESA354004
+ */
+
+#ifndef EXT_XREGEX_H_
+#define EXT_XREGEX_H_
+
+#include <regex.h>
+
+#define XREGEX_IS_MATCHGROUP(groupArray, groupIndex) (groupArray[groupIndex].rm_so < groupArray[groupIndex].rm_eo)
+
+#endif /* EXT_XREGEX_H_ */

src/main.c

@@ -18,7 +18,7 @@
 #include "xstring.h"
 #include "stubser/stubser_if.h"
 
-static int one(const struct dirent *unused)
+STATIC int one(const struct dirent *unused)
 {
    return 1;
 }

src/stubser/cfile_parser.c

@@ -12,13 +12,17 @@
  */
 #include <stdio.h>
 #include <stdlib.h>
-#include <regex.h>
+#include "xregex.h"
 #include "xtypes.h"
 #include "xstring.h"
-#include "cfile_parser_loc.h"
 #include "cfunction_if.h"
+#include "cfile_parser_loc.h"
+
+#define CFILE_PARSTER_MAX_REGEX_MATCHING_GROUPS 10
 
 STATIC bool cfile_parser_initialized = false;
+STATIC uint8_t cfile_parser_functionLine = 0;
+STATIC cfunction_t *cfile_parser_function = NULL;
 STATIC regex_t regX;
 STATIC regex_t regXsl;
 STATIC regex_t regXmlStart;
@@ -221,62 +225,76 @@ int8_t cfile_parser_init()
 //
 //   return 0;
 //}
-STATIC void cfile_parser_evaluateLine(char *aLine)
+STATIC cfunction_t* cfile_parser_evaluateLine(char *aLine)
 {
-   uint8_t i;
+   const size_t maxGroup = CFILE_PARSTER_MAX_REGEX_MATCHING_GROUPS;
-   const size_t maxGroup = 10;
    regmatch_t matchGroup[maxGroup];
+   bool functionEnd = false;
+   cfunction_type_t tempFunctionType = CFUNCTION_TYPE_UNDEF;
 
-   char match[1024] =
+   if (cfile_parser_functionLine)
-   { 0 };
-   static uint8_t mlFlag = 0;
-
-   if (mlFlag)
    {
       if (0 == regexec(&regXmlEnd, aLine, maxGroup, matchGroup, REG_NOTEOL))
       {
+         tempFunctionType = CFUNCTION_TYPE_REGULAR;
          printf("[ mle]");
-         mlFlag = 0;
+         ++cfile_parser_functionLine;
+         functionEnd = true;
       }
       else if (0 == regexec(&regXmlProto, aLine, maxGroup, matchGroup, REG_NOTEOL))
       {
+         tempFunctionType = CFUNCTION_TYPE_PROTO;
          printf("[ mlp]");
-         mlFlag = 0;
+         ++cfile_parser_functionLine;
+         functionEnd = true;
       }
       else if (0 == regexec(&regXmlPar, aLine, maxGroup, matchGroup, REG_NOTEOL))
       {
          printf("[ ml+]");
-         ++mlFlag;
+         ++cfile_parser_functionLine;
       }
       else
       {
-         // fallback
+         tempFunctionType = CFUNCTION_TYPE_UNDEF;
-         mlFlag = 0;
+         ++cfile_parser_functionLine;
-         return;
+         functionEnd = true;
+         // TODO fallback (free currently used memory)
+         return NULL;
       }
    }
-   else if (0 == regexec(&regXsl, aLine, maxGroup, matchGroup, REG_NOTEOL) && matchGroup[2].rm_so < matchGroup[2].rm_eo)
+   else if (0 == regexec(&regXsl, aLine, maxGroup, matchGroup, REG_NOTEOL) && CFILE_PARSER_IS_MATCHGROUP_FUNCTION(matchGroup))
    {
+      tempFunctionType = CFUNCTION_TYPE_REGULAR;
       printf("[ sl ]");
    }
-   else if (0 == regexec(&regXmlStart, aLine, maxGroup, matchGroup, REG_NOTEOL) && matchGroup[2].rm_so < matchGroup[2].rm_eo)
+   else if (0 == regexec(&regXmlStart, aLine, maxGroup, matchGroup, REG_NOTEOL) && CFILE_PARSER_IS_MATCHGROUP_FUNCTION(matchGroup))
    {
+      tempFunctionType = CFUNCTION_TYPE_REGULAR;
       printf("[ mls]");
-      ++mlFlag;
+      ++cfile_parser_functionLine;
    }
-   else if (0 == regexec(&regXproto, aLine, maxGroup, matchGroup, REG_NOTEOL) && matchGroup[2].rm_so < matchGroup[2].rm_eo)
+   else if (0 == regexec(&regXproto, aLine, maxGroup, matchGroup, REG_NOTEOL) && CFILE_PARSER_IS_MATCHGROUP_FUNCTION(matchGroup))
    {
+      tempFunctionType = CFUNCTION_TYPE_PROTO;
       printf("[prot]");
    }
-   else if (0 == regexec(&regX, aLine, maxGroup, matchGroup, REG_NOTEOL) && matchGroup[2].rm_so < matchGroup[2].rm_eo)
+   else if (0 == regexec(&regX, aLine, maxGroup, matchGroup, REG_NOTEOL) && CFILE_PARSER_IS_MATCHGROUP_FUNCTION(matchGroup))
    {
+      tempFunctionType = CFUNCTION_TYPE_UNDEF;
       printf("[ fuX]");
    }
    else
    {
-      return;
+      return NULL;
    }
 
+#if (0)
+   {
+      uint8_t i = 0;
+      char *tempChar = NULL;
+      char match[1024] =
+      {  0};
+
       for (i = 0; i < maxGroup && 0 <= matchGroup[i].rm_so; ++i)
       {
          if (matchGroup[i].rm_so < matchGroup[i].rm_eo)
@@ -284,12 +302,59 @@ STATIC void cfile_parser_evaluateLine(char *aLine)
             if (0 < i)
             printf("      ");
             printf("[%02d](%.3ld - %.3ld)[%03d]: ", i, matchGroup[i].rm_so, matchGroup[i].rm_eo, (int) (matchGroup[i].rm_eo - matchGroup[i].rm_so));
-         printf("%.*s", (int) (matchGroup[i].rm_eo - matchGroup[i].rm_so), &aLine[matchGroup[i].rm_so]);
+            //printf("%.*s", (int) (matchGroup[i].rm_eo - matchGroup[i].rm_so), &aLine[matchGroup[i].rm_so]);
             strlcpy(match, &aLine[matchGroup[i].rm_so], (size_t) (matchGroup[i].rm_eo - matchGroup[i].rm_so + 1));
+            tempChar = strstr(match, "//");
+            if (NULL != tempChar)
+            {
+               *tempChar = '\0';
+            }
+            printf("%s", match);
             printf("\n");
          }
       }
    }
+#endif
+
+   switch (cfile_parser_functionLine)
+   {
+      case 0: // single line function definition
+      case 1: // first line of multi line function definition
+      {
+         cfile_parser_function = cfunction_newFunction();
+         cfile_parser_function->type = tempFunctionType;
+         break;
+      }
+      default: // further lines
+      {
+         // TODO process parameter
+         if (functionEnd)
+         {
+            // TODO clean function
+            if (CFUNCTION_TYPE_UNDEF == tempFunctionType)
+            {
+               cfunction_freeFunction(&cfile_parser_function);
+            }
+            else
+            {
+               cfile_parser_function->type = tempFunctionType;
+            }
+            cfile_parser_functionLine = 0;
+         }
+         break;
+      }
+   }
+
+   // return evaluated function
+   if (0 == cfile_parser_functionLine)
+   {
+      cfunction_t *funTemp = cfile_parser_function;
+      cfile_parser_function = NULL;
+      return funTemp;
+   }
+
+   return NULL;
+}
 
 int8_t cfile_parser(char *aPath, cfunction_list_t *aList)
 {
@@ -315,7 +380,12 @@ int8_t cfile_parser(char *aPath, cfunction_list_t *aList)
       charRead = getline(&fileLine, &lineSize, fdesc);
       if (0 <= charRead)
       {
-         (void) cfile_parser_evaluateLine(fileLine);
+         cfunction_t *function = NULL;
+         function = cfile_parser_evaluateLine(fileLine);
+         if (NULL != function)
+         {
+            (void) cfunction_addFunction(aList, function);
+         }
       }
    } while (0 <= charRead);
 

src/stubser/cfile_parser_loc.h

@@ -22,4 +22,6 @@
 #define FUNCTION_ML_PROTO FUNCTION_ML_PAR "\\).*[[:blank:]]*;"
 #define FUNCTION_PROTO FUNCTION_BASE "\\).*[[:blank:]]*;"
 
+#define CFILE_PARSER_IS_MATCHGROUP_FUNCTION(matchGroup) (XREGEX_IS_MATCHGROUP(matchGroup, 1) && XREGEX_IS_MATCHGROUP(matchGroup, 2))
+
 #endif /* STUBSER_CFILE_PARSER_LOC_H_ */

src/stubser/cfunction.c

@@ -16,32 +16,41 @@
 #include "xmalloc.h"
 #include "cfunction_if.h"
 
-cfunction_t* cfunction_newFunction(cfunction_list_t *aList)
+cfunction_t* cfunction_newFunction()
 {
-   cfunction_t *next = NULL;
+   cfunction_t *new = NULL;
 
-   if (NULL == aList)
+   new = (cfunction_t*) xmalloc(sizeof(cfunction_t));
-   {
+   memset(new, 0, sizeof(cfunction_t));
-      perror("Null pointer");
+
-      return NULL;
+   return new;
 }
 
-   next = (cfunction_t*) xmalloc(sizeof(cfunction_t));
+int8_t cfunction_addFunction(cfunction_list_t *aList, cfunction_t *aNew)
-   memset(next, 0, sizeof(cfunction_t));
+{
+   if (NULL == aList || NULL == aNew)
+   {
+      perror("Null pointer");
+      return -1;
+   }
 
    if (NULL == aList->head)
    {
-      aList->head = next;
+      aList->head = aNew;
+      aList->current = aNew;
+   }
+   else
+   {
+      aList->current->next = aNew;
+      aList->current = aNew;
    }
 
-   aList->current = next;
+   return 0;
-
-   return next;
 }
 
 cfunction_parameter_t* cfunction_newParameter(struct _CFUNCTION_PARAMETER_LIST_T *aList)
 {
-   cfunction_parameter_t *next = NULL;
+   cfunction_parameter_t *new = NULL;
 
    if (NULL == aList)
    {
@@ -49,17 +58,18 @@ cfunction_parameter_t* cfunction_newParameter(struct _CFUNCTION_PARAMETER_LIST_T
       return NULL;
    }
 
-   next = (cfunction_parameter_t*) xmalloc(sizeof(cfunction_parameter_t));
+   new = (cfunction_parameter_t*) xmalloc(sizeof(cfunction_parameter_t));
-   memset(next, 0, sizeof(cfunction_parameter_t));
+   memset(new, 0, sizeof(cfunction_parameter_t));
 
    if (NULL == aList->head)
    {
-      aList->head = next;
+      aList->head = new;
    }
 
-   aList->current = next;
+   aList->current = new;
+   ++aList->amount;
 
-   return next;
+   return new;
 }
 
 char* cfunction_newDetail(char **aDest, char *aSource, size_t aSize)
@@ -79,7 +89,7 @@ char* cfunction_newDetail(char **aDest, char *aSource, size_t aSize)
    return *aDest;
 }
 
-int8_t cfunction_freeParameter(struct _CFUNCTION_PARAMETER_LIST_T *aParameter)
+STATIC int8_t cfunction_freeParameter(struct _CFUNCTION_PARAMETER_LIST_T *aParameter)
 {
    cfunction_parameter_t *work = NULL;
    cfunction_parameter_t *next = NULL;
@@ -107,6 +117,26 @@ int8_t cfunction_freeParameter(struct _CFUNCTION_PARAMETER_LIST_T *aParameter)
    return 0;
 }
 
+int8_t cfunction_freeFunction(cfunction_t **aFunction)
+{
+   cfunction_t *work = *aFunction;
+
+   if (NULL == aFunction || NULL == *aFunction)
+   {
+      return -1;
+   }
+
+   free(work->prefix);
+   free(work->dataType);
+   free(work->name);
+   cfunction_freeParameter(&work->parameter);
+   free(work);
+
+   *aFunction = NULL;
+
+   return 0;
+}
+
 int8_t cfunction_freeList(cfunction_list_t *aList)
 {
    cfunction_t *work = NULL;
@@ -123,11 +153,7 @@ int8_t cfunction_freeList(cfunction_list_t *aList)
    while (work)
    {
       next = work->next;
-      free(work->prefix);
+      cfunction_freeFunction(&work);
-      free(work->dataType);
-      free(work->name);
-      cfunction_freeParameter(&work->parameter);
-      free(work);
       work = next;
    }
 
@@ -136,3 +162,19 @@ int8_t cfunction_freeList(cfunction_list_t *aList)
 
    return 0;
 }
+
+void cfunction_printList(cfunction_list_t *aList)
+{
+   cfunction_t *work = aList->head;
+
+   if (NULL == aList)
+   {
+      return;
+   }
+
+   while (work)
+   {
+      printf("[ cfu]: %d\n", work->type);
+      work = work->next;
+   }
+}

src/stubser/cfunction_if.h

@@ -14,6 +14,16 @@
 #ifndef STUBSER_CFUNCTION_IF_H_
 #define STUBSER_CFUNCTION_IF_H_
 
+/*! @brief Type of function definition */
+typedef enum _CFUNCTION_TYPE_T
+{
+   CFUNCTION_TYPE_UNDEF = 0, /*!< @brief undefined */
+   CFUNCTION_TYPE_REGULAR = 1, /*!< @brief Regular c function definition */
+   CFUNCTION_TYPE_STATIC = 2, /*!< @brief Static c function definition */
+   CFUNCTION_TYPE_PROTO = 3, /*!< @brief Prototype c function definition */
+   CFUNCTION_TYPE_LAST_ENUM
+} cfunction_type_t;
+
 /*! @brief Parameter list node */
 typedef struct _CFUNCTION_PARAMETER_T
 {
@@ -25,11 +35,13 @@ typedef struct _CFUNCTION_PARAMETER_T
 /*! @brief brief_description */
 typedef struct _CFUNCTION_T
 {
+   cfunction_type_t type;
    char *prefix; /*!< @brief prefix like static or extern */
    char *dataType; /*!< @brief return type */
    char *name; /*!< @brief name */
    struct _CFUNCTION_PARAMETER_LIST_T
    {
+      uint8_t amount;
       cfunction_parameter_t *head;
       cfunction_parameter_t *current;
    } parameter;/*!< @brief parameter array */
@@ -47,10 +59,12 @@ typedef struct _CFUNCTION_LIST_T
    .head = NULL, \
    .current = NULL }
 
-cfunction_t* cfunction_newFunction(cfunction_list_t *aList);
+cfunction_t* cfunction_newFunction();
+int8_t cfunction_addFunction(cfunction_list_t *aList, cfunction_t *aNew);
 cfunction_parameter_t* cfunction_newParameter(struct _CFUNCTION_PARAMETER_LIST_T *aList);
 char* cfunction_newDetail(char **aDest, char *aSource, size_t aSize);
-int8_t cfunction_freeParameter(struct _CFUNCTION_PARAMETER_LIST_T *aParameter);
+int8_t cfunction_freeFunction(cfunction_t **aFunction);
 int8_t cfunction_freeList(cfunction_list_t *aList);
+void cfunction_printList(cfunction_list_t *aList);
 
 #endif /* STUBSER_CFUNCTION_IF_H_ */

src/stubser/stubser.c

@@ -31,6 +31,9 @@ int stubser_createStub(char *path)
    cfunction_list_t functionList =
    CFUNCTION_LIST_DEFAULT;
    (void) cfile_parser(path, &functionList);
+
+   cfunction_printList(&functionList);
+
    cfunction_freeList(&functionList);
    return 0;
 }