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tm_workspace.c
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tm_workspace.c
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/*
*
* Copyright (c) 2001-2002, Biswapesh Chattopadhyay
*
* This source code is released for free distribution under the terms of the
* GNU General Public License.
*
*/
#include "general.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <string.h>
#include <sys/stat.h>
#ifdef HAVE_GLOB_H
# include <glob.h>
#endif
// handling of P_tmpdir, should be something like /tmp, take the root directory under Win32,
// and assume /tmp on non-Win32 systems where P_tmpdir is not set
#ifndef P_tmpdir
# ifdef G_OS_WIN32
# define P_tmpdir "\\"
# else
# define P_tmpdir "/tmp"
# endif
#endif
#include "tm_tag.h"
#include "tm_workspace.h"
#include "tm_project.h"
static TMWorkspace *theWorkspace = NULL;
guint workspace_class_id = 0;
static gboolean tm_create_workspace(void)
{
#ifdef G_OS_WIN32
char *file_name = g_strdup_printf("%s_%s_%ld.%d", P_tmpdir, PACKAGE, time(NULL), getpid());
#else
char *file_name = g_strdup_printf("%s/%s_%ld.%d", P_tmpdir, PACKAGE, time(NULL), getpid());
#endif
workspace_class_id = tm_work_object_register(tm_workspace_free, tm_workspace_update
, tm_workspace_find_object);
theWorkspace = g_new(TMWorkspace, 1);
if (FALSE == tm_work_object_init(TM_WORK_OBJECT(theWorkspace),
workspace_class_id, file_name, TRUE))
{
g_free(file_name);
g_free(theWorkspace);
theWorkspace = NULL;
g_warning("Failed to initialize workspace");
return FALSE;
}
g_free(file_name);
theWorkspace->global_tags = NULL;
theWorkspace->work_objects = NULL;
return TRUE;
}
void tm_workspace_free(gpointer workspace)
{
guint i;
if (workspace != theWorkspace)
return;
#ifdef TM_DEBUG
g_message("Workspace destroyed");
#endif
if (theWorkspace)
{
if (theWorkspace->work_objects)
{
for (i=0; i < theWorkspace->work_objects->len; ++i)
tm_work_object_free(theWorkspace->work_objects->pdata[i]);
g_ptr_array_free(theWorkspace->work_objects, TRUE);
}
if (theWorkspace->global_tags)
{
for (i=0; i < theWorkspace->global_tags->len; ++i)
tm_tag_free(theWorkspace->global_tags->pdata[i]);
g_ptr_array_free(theWorkspace->global_tags, TRUE);
}
unlink(theWorkspace->work_object.file_name);
tm_work_object_destroy(TM_WORK_OBJECT(theWorkspace));
g_free(theWorkspace);
theWorkspace = NULL;
}
}
const TMWorkspace *tm_get_workspace(void)
{
if (NULL == theWorkspace)
tm_create_workspace();
return theWorkspace;
}
gboolean tm_workspace_add_object(TMWorkObject *work_object)
{
if (NULL == theWorkspace)
tm_create_workspace();
if (NULL == theWorkspace->work_objects)
theWorkspace->work_objects = g_ptr_array_new();
g_ptr_array_add(theWorkspace->work_objects, work_object);
work_object->parent = TM_WORK_OBJECT(theWorkspace);
return TRUE;
}
gboolean tm_workspace_remove_object(TMWorkObject *w, gboolean free)
{
guint i;
if ((NULL == theWorkspace) || (NULL == theWorkspace->work_objects)
|| (NULL == w))
return FALSE;
for (i=0; i < theWorkspace->work_objects->len; ++i)
{
if (theWorkspace->work_objects->pdata[i] == w)
{
if (free)
tm_work_object_free(w);
g_ptr_array_remove_index_fast(theWorkspace->work_objects, i);
tm_workspace_update(TM_WORK_OBJECT(theWorkspace), TRUE, FALSE, FALSE);
return TRUE;
}
}
return FALSE;
}
gboolean tm_workspace_load_global_tags(const char *tags_file, gint mode)
{
FILE *fp;
TMTag *tag;
TMTagAttrType attr[] = { tm_tag_attr_name_t, 0 };
if (NULL == (fp = fopen(tags_file, "r")))
return FALSE;
if (NULL == theWorkspace)
tm_create_workspace();
if (NULL == theWorkspace->global_tags)
theWorkspace->global_tags = g_ptr_array_new();
while (NULL != (tag = tm_tag_new_from_file(NULL, fp, mode)))
g_ptr_array_add(theWorkspace->global_tags, tag);
fclose(fp);
// resort the whole array, because tm_tags_find expects a sorted array and it is not sorted
// when global.tags, php.tags and latex.tags are loaded at the same time
tm_tags_sort(theWorkspace->global_tags, attr, TRUE);
return TRUE;
}
gboolean tm_workspace_create_global_tags(const char *pre_process, const char **includes
, int includes_count, const char *tags_file)
{
#ifdef HAVE_GLOB_H
glob_t globbuf;
size_t idx_glob;
#endif
int idx_inc;
char *command;
guint i;
FILE *fp;
TMWorkObject *source_file;
GPtrArray *tags_array;
GList *includes_files = NULL;
guint list_len;
guint idx_main;
guint idx_sub;
int remove_count = 0;
#ifdef G_OS_WIN32
char *temp_file = g_strdup_printf("%s_%d_%ld_1.cpp", P_tmpdir, getpid(), time(NULL));
char *temp_file2 = g_strdup_printf("%s_%d_%ld_2.cpp", P_tmpdir, getpid(), time(NULL));
#else
char *temp_file = g_strdup_printf("%s/%d_%ld_1.cpp", P_tmpdir, getpid(), time(NULL));
char *temp_file2 = g_strdup_printf("%s/%d_%ld_2.cpp", P_tmpdir, getpid(), time(NULL));
#endif
TMTagAttrType sort_attrs[] = { tm_tag_attr_name_t, tm_tag_attr_scope_t
, tm_tag_attr_type_t, 0};
if (NULL == (fp = fopen(temp_file, "w")))
return FALSE;
#ifdef HAVE_GLOB_H
globbuf.gl_offs = 0;
for(idx_inc = 0; idx_inc < includes_count; idx_inc++)
{
int dirty_len = strlen(includes[idx_inc]);
char *clean_path = malloc(dirty_len - 1);
strncpy(clean_path, includes[idx_inc] + 1, dirty_len - 1);
clean_path[dirty_len - 2] = 0;
//printf("[o][%s]\n", clean_path);
glob(clean_path, 0, NULL, &globbuf);
//printf("matches: %d\n", globbuf.gl_pathc);
for(idx_glob = 0; idx_glob < globbuf.gl_pathc; idx_glob++)
{
includes_files = g_list_append(includes_files, strdup(globbuf.gl_pathv[idx_glob]));
//printf(">>> %s\n", globbuf.gl_pathv[idx_glob]);
}
globfree(&globbuf);
free(clean_path);
}
#else
for(idx_inc = 0; idx_inc < includes_count; idx_inc++)
{
includes_files = g_list_append(includes_files, strdup(includes[idx_inc]));
}
#endif
/* Checks for duplicate file entries which would case trouble */
{
struct stat main_stat;
struct stat sub_stat;
remove_count = 0;
list_len = g_list_length(includes_files);
/* We look for files with the same inode */
for(idx_main = 0; idx_main < list_len; idx_main++)
{
// printf("%d / %d\n", idx_main, list_len - 1);
stat(g_list_nth_data(includes_files, idx_main), &main_stat);
for(idx_sub = idx_main + 1; idx_sub < list_len; idx_sub++)
{
GList *element = NULL;
stat(g_list_nth_data(includes_files, idx_sub), &sub_stat);
if(main_stat.st_ino != sub_stat.st_ino)
continue;
/* Inodes match */
element = g_list_nth(includes_files, idx_sub);
/* printf("%s == %s\n", g_list_nth_data(includes_files, idx_main),
g_list_nth_data(includes_files, idx_sub)); */
/* We delete the duplicate entry from the list */
includes_files = g_list_remove_link(includes_files, element);
remove_count++;
/* Don't forget to free the mallocs (we duplicated every string earlier!) */
free(element->data);
idx_sub--; /* Cause the inner loop not to move; good since we removed
an element at the current position; we don't have to worry
about the outer loop because the inner loop always starts
after the outer loop's index */
list_len = g_list_length(includes_files);
}
}
}
printf("writing out files to %s\n", temp_file);
for(idx_main = 0; idx_main < g_list_length(includes_files); idx_main++)
{
char *str = g_strdup_printf("#include \"%s\"\n",
(char*)g_list_nth_data(includes_files,
idx_main));
int str_len = strlen(str);
fwrite(str, str_len, 1, fp);
free(str);
free(g_list_nth(includes_files, idx_main) -> data);
}
fclose(fp);
command = g_strdup_printf("%s %s >%s", pre_process, temp_file, temp_file2);
system(command);
g_free(command);
unlink(temp_file);
g_free(temp_file);
source_file = tm_source_file_new(temp_file2, TRUE, NULL);
if (NULL == source_file)
{
unlink(temp_file2);
return FALSE;
}
unlink(temp_file2);
g_free(temp_file2);
if ((NULL == source_file->tags_array) || (0 == source_file->tags_array->len))
{
tm_source_file_free(source_file);
return FALSE;
}
tags_array = tm_tags_extract(source_file->tags_array, tm_tag_class_t |
tm_tag_typedef_t | tm_tag_prototype_t | tm_tag_enum_t | tm_tag_macro_with_arg_t);
if ((NULL == tags_array) || (0 == tags_array->len))
{
if (tags_array)
g_ptr_array_free(tags_array, TRUE);
tm_source_file_free(source_file);
return FALSE;
}
if (FALSE == tm_tags_sort(tags_array, sort_attrs, TRUE))
{
tm_source_file_free(source_file);
return FALSE;
}
if (NULL == (fp = fopen(tags_file, "w")))
{
tm_source_file_free(source_file);
return FALSE;
}
for (i=0; i < tags_array->len; ++i)
{
tm_tag_write(TM_TAG(tags_array->pdata[i]), fp, tm_tag_attr_type_t
| tm_tag_attr_scope_t | tm_tag_attr_arglist_t | tm_tag_attr_vartype_t);
}
fclose(fp);
tm_source_file_free(source_file);
g_ptr_array_free(tags_array, TRUE);
return TRUE;
}
TMWorkObject *tm_workspace_find_object(TMWorkObject *work_object, const char *file_name
, gboolean name_only)
{
TMWorkObject *w = NULL;
guint i;
if (work_object != TM_WORK_OBJECT(theWorkspace))
return NULL;
if ((NULL == theWorkspace) || (NULL == theWorkspace->work_objects)
|| (0 == theWorkspace->work_objects->len))
return NULL;
for (i = 0; i < theWorkspace->work_objects->len; ++i)
{
if (NULL != (w = tm_work_object_find(TM_WORK_OBJECT(theWorkspace->work_objects->pdata[i])
, file_name, name_only)))
return w;
}
return NULL;
}
void tm_workspace_recreate_tags_array(void)
{
guint i, j;
TMWorkObject *w;
TMTagAttrType sort_attrs[] = { tm_tag_attr_name_t, tm_tag_attr_file_t
, tm_tag_attr_scope_t, tm_tag_attr_type_t, 0};
#ifdef TM_DEBUG
g_message("Recreating workspace tags array");
#endif
if ((NULL == theWorkspace) || (NULL == theWorkspace->work_objects))
return;
if (NULL != theWorkspace->work_object.tags_array)
g_ptr_array_set_size(theWorkspace->work_object.tags_array, 0);
else
theWorkspace->work_object.tags_array = g_ptr_array_new();
#ifdef TM_DEBUG
g_message("Total %d objects", theWorkspace->work_objects->len);
#endif
for (i=0; i < theWorkspace->work_objects->len; ++i)
{
w = TM_WORK_OBJECT(theWorkspace->work_objects->pdata[i]);
#ifdef TM_DEBUG
g_message("Adding tags of %s", w->file_name);
#endif
if ((NULL != w) && (NULL != w->tags_array) && (w->tags_array->len > 0))
{
for (j = 0; j < w->tags_array->len; ++j)
{
g_ptr_array_add(theWorkspace->work_object.tags_array,
w->tags_array->pdata[j]);
}
}
}
#ifdef TM_DEBUG
g_message("Total: %d tags", theWorkspace->work_object.tags_array->len);
#endif
tm_tags_sort(theWorkspace->work_object.tags_array, sort_attrs, TRUE);
}
gboolean tm_workspace_update(TMWorkObject *workspace, gboolean force
, gboolean recurse, gboolean __unused__ update_parent)
{
guint i;
gboolean update_tags = force;
#ifdef TM_DEBUG
g_message("Updating workspace");
#endif
if (workspace != TM_WORK_OBJECT(theWorkspace))
return FALSE;
if (NULL == theWorkspace)
return TRUE;
if ((recurse) && (theWorkspace->work_objects))
{
for (i=0; i < theWorkspace->work_objects->len; ++i)
{
if (TRUE == tm_work_object_update(TM_WORK_OBJECT(
theWorkspace->work_objects->pdata[i]), FALSE, TRUE, FALSE))
update_tags = TRUE;
}
}
if (update_tags)
tm_workspace_recreate_tags_array();
workspace->analyze_time = time(NULL);
return update_tags;
}
void tm_workspace_dump(void)
{
if (theWorkspace)
{
#ifdef TM_DEBUG
g_message("Dumping TagManager workspace tree..");
#endif
tm_work_object_dump(TM_WORK_OBJECT(theWorkspace));
if (theWorkspace->work_objects)
{
guint i;
for (i=0; i < theWorkspace->work_objects->len; ++i)
{
if (IS_TM_PROJECT(TM_WORK_OBJECT(theWorkspace->work_objects->pdata[i])))
tm_project_dump(TM_PROJECT(theWorkspace->work_objects->pdata[i]));
else
tm_work_object_dump(TM_WORK_OBJECT(theWorkspace->work_objects->pdata[i]));
}
}
}
}
const GPtrArray *tm_workspace_find(const char *name, int type, TMTagAttrType *attrs
, gboolean partial, langType lang)
{
static GPtrArray *tags = NULL;
TMTag **matches[2];
int len, tagCount[2]={0,0}, tagIter;
gint tags_lang;
if ((!theWorkspace) || (!name))
return NULL;
len = strlen(name);
if (!len)
return NULL;
if (tags)
g_ptr_array_set_size(tags, 0);
else
tags = g_ptr_array_new();
matches[0] = tm_tags_find(theWorkspace->work_object.tags_array, name, partial, &tagCount[0]);
matches[1] = tm_tags_find(theWorkspace->global_tags, name, partial, &tagCount[1]);
// file tags
if (matches[0] && *matches[0])
{
// tag->atts.file.lang contains the line of the tag and
// tags->atts.entry.file->lang contains the language
tags_lang = (*matches[0])->atts.entry.file->lang;
for (tagIter=0;tagIter<tagCount[0];++tagIter)
{
if ((type & (*matches[0])->type) && (lang == -1 || tags_lang == lang))
g_ptr_array_add(tags, *matches[0]);
if (partial)
{
if (0 != strncmp((*matches[0])->name, name, len))
break;
}
else
{
if (0 != strcmp((*matches[0])->name, name))
break;
}
++ matches[0];
}
}
// global tags
if (matches[1] && *matches[1])
{
int tags_lang_alt = 0;
// tag->atts.file.lang contains the language and
// tags->atts.entry.file is NULL
tags_lang = (*matches[1])->atts.file.lang;
// tags_lang_alt is used to load C global tags only once for C and C++
// lang = 1 is C++, lang = 0 is C
// if we have lang 0, than accept also lang 1 for C++
if (tags_lang == 0) // C or C++
tags_lang_alt = 1;
else
tags_lang_alt = tags_lang; // otherwise just ignore it
for (tagIter=0;tagIter<tagCount[1];++tagIter)
{
if ((type & (*matches[1])->type) && (lang == -1 ||
tags_lang == lang || tags_lang_alt == lang))
g_ptr_array_add(tags, *matches[1]);
if (partial)
{
if (0 != strncmp((*matches[1])->name, name, len))
break;
}
else
{
if (0 != strcmp((*matches[1])->name, name))
break;
}
++ matches[1];
}
}
tm_tags_sort(tags, attrs, TRUE);
return tags;
}
const TMTag *
tm_get_current_function (GPtrArray * file_tags, const gulong line)
{
GPtrArray *const local = tm_tags_extract (file_tags, tm_tag_function_t);
if (local && local->len)
{
guint i;
TMTag *tag, *function_tag = NULL;
gulong function_line = 0;
glong delta;
for (i = 0; (i < local->len); ++i)
{
tag = TM_TAG (local->pdata[i]);
delta = line - tag->atts.entry.line;
if (delta >= 0 && (gulong)delta < line - function_line)
{
function_tag = tag;
function_line = tag->atts.entry.line;
}
}
g_ptr_array_free (local, TRUE);
return function_tag;
}
return NULL;
};
const GPtrArray *tm_workspace_get_parents(const gchar *name)
{
static TMTagAttrType type[] = { tm_tag_attr_name_t, tm_tag_attr_none_t };
static GPtrArray *parents = NULL;
const GPtrArray *matches;
guint i = 0;
guint j;
gchar **klasses;
gchar **klass;
TMTag *tag;
g_return_val_if_fail(name && isalpha(*name),NULL);
if (NULL == parents)
parents = g_ptr_array_new();
else
g_ptr_array_set_size(parents, 0);
matches = tm_workspace_find(name, tm_tag_class_t, type, FALSE, -1);
if ((NULL == matches) || (0 == matches->len))
return NULL;
g_ptr_array_add(parents, matches->pdata[0]);
while (i < parents->len)
{
tag = TM_TAG(parents->pdata[i]);
if ((NULL != tag->atts.entry.inheritance) && (isalpha(tag->atts.entry.inheritance[0])))
{
klasses = g_strsplit(tag->atts.entry.inheritance, ",", 10);
for (klass = klasses; (NULL != *klass); ++ klass)
{
for (j=0; j < parents->len; ++j)
{
if (0 == strcmp(*klass, TM_TAG(parents->pdata[j])->name))
break;
}
if (parents->len == j)
{
matches = tm_workspace_find(*klass, tm_tag_class_t, type, FALSE, -1);
if ((NULL != matches) && (0 < matches->len))
g_ptr_array_add(parents, matches->pdata[0]);
}
}
g_strfreev(klasses);
}
++ i;
}
return parents;
}