static void cachehit_callback(struct NODE *node, struct CACHENODE *cachenode, void *user)
{
struct CACHERUNINFO *info = (struct CACHERUNINFO *)user;
/* check if the file has been removed */
struct NODE *existing_node = node_find_byhash(node->graph, cachenode->hashid);
if(existing_node)
{
struct NODE *newnode = node_add_dependency (node, existing_node);
dependency_cpp_run(info->context, newnode, info->callback, info->userdata);
}
else
{
time_t timestamp = file_timestamp(cachenode->filename);
if(timestamp)
{
/* this shouldn't be able to fail */
struct NODE *newnode;
node_create(&newnode, info->context->graph, cachenode->filename, NULL, timestamp);
node_add_dependency (node, newnode);
/* recurse the dependency checking */
dependency_cpp_run(info->context, newnode, info->callback, info->userdata);
}
else
{
node->dirty = NODEDIRTY_MISSING;
}
}
}
static void callback_addjob_deps(lua_State *L, void *user)
{
struct JOB *job = (struct JOB *)user;
struct NODELINK *link;
const char *filename;
luaL_checktype(L, -1, LUA_TSTRING);
filename = lua_tostring(L, -1);
for(link = job->firstoutput; link; link = link->next)
node_add_dependency(link->node, filename);
}
static int dependency_cpp_callback(struct NODE *node, void *user, const char *filename, int sys)
{
struct CPPDEPINFO *depinfo = (struct CPPDEPINFO *)user;
struct CPPDEPINFO recurseinfo;
char buf[MAX_PATH_LENGTH];
int check_system = sys;
int found = 0;
struct NODE *depnode = NULL;
time_t timestamp = 0;
if(!sys)
{
/* "normal.header" */
int flen = strlen(node->filename)-1;
while(flen)
{
if(node->filename[flen] == '/')
break;
flen--;
}
path_join(node->filename, flen, filename, -1, buf, sizeof(buf));
if(node_findfile(node->graph, buf, &depnode, ×tamp))
found = 1;
else
{
/* file does not exist */
check_system = 1;
}
}
if(check_system)
{
/* <system.header> */
if(path_isabs(filename))
{
if(node_findfile(node->graph, filename, &depnode, ×tamp))
{
strcpy(buf, filename);
found = 1;
}
}
else
{
struct STRINGLIST *cur;
int flen = strlen(filename);
for(cur = depinfo->paths; cur; cur = cur->next)
{
path_join(cur->str, cur->len, filename, flen, buf, sizeof(buf));
if(node_findfile(node->graph, buf, &depnode, ×tamp))
{
found = 1;
break;
}
}
}
}
/* */
if(found)
{
path_normalize(buf);
if(!depnode)
node_create(&depnode, node->graph, buf, NULL, timestamp);
if(node_add_dependency (node, depnode) == NULL)
return 2;
if(!depnode)
return 3;
/* do the dependency walk */
if(!depnode->depchecked)
{
recurseinfo.paths = depinfo->paths;
recurseinfo.context = depinfo->context;
if(dependency_cpp_run(depinfo->context, depnode, dependency_cpp_callback, &recurseinfo) != 0)
return 4;
}
}
return 0;
}
static int bam_setup(struct CONTEXT *context, const char *scriptfile, const char **targets, int num_targets)
{
/* */
if(session.verbose)
printf("%s: setup started\n", session.name);
/* set filename */
context->filename = scriptfile;
/* set global timestamp to the script file */
context->globaltimestamp = file_timestamp(scriptfile);
/* */
context->forced = option_force;
/* fetch script directory */
{
char cwd[MAX_PATH_LENGTH];
char path[MAX_PATH_LENGTH];
if(!getcwd(cwd, sizeof(cwd)))
{
printf("%s: error: couldn't get current working directory\n", session.name);
return -1;
}
if(path_directory(context->filename, path, sizeof(path)))
{
printf("%s: error: path too long '%s'\n", session.name, path);
return -1;
}
if(path_join(cwd, -1, path, -1, context->script_directory, sizeof(context->script_directory)))
{
printf("%s: error: path too long when joining '%s' and '%s'\n", session.name, cwd, path);
return -1;
}
}
/* register all functions */
event_begin(0, "lua setup", NULL);
if(register_lua_globals(context->lua, context->script_directory, context->filename) != 0)
{
printf("%s: error: registering of lua functions failed\n", session.name);
return -1;
}
event_end(0, "lua setup", NULL);
/* load script */
if(session.verbose)
printf("%s: reading script from '%s'\n", session.name, scriptfile);
event_begin(0, "script load", NULL);
/* push error function to stack and load the script */
lua_getglobal(context->lua, "errorfunc");
switch(luaL_loadfile(context->lua, scriptfile))
{
case 0: break;
case LUA_ERRSYNTAX:
lf_errorfunc(context->lua);
return -1;
case LUA_ERRMEM:
printf("%s: memory allocation error\n", session.name);
return -1;
case LUA_ERRFILE:
printf("%s: error opening '%s'\n", session.name, scriptfile);
return -1;
default:
printf("%s: unknown error\n", session.name);
return -1;
}
event_end(0, "script load", NULL);
/* start the background stat thread */
node_graph_start_statthread(context->graph);
/* call the code chunk */
event_begin(0, "script run", NULL);
if(lua_pcall(context->lua, 0, LUA_MULTRET, -2) != 0)
{
node_graph_end_statthread(context->graph);
printf("%s: script error (-t for more detail)\n", session.name);
return -1;
}
event_end(0, "script run", NULL);
/* stop the background stat thread */
event_begin(0, "stat", NULL);
node_graph_end_statthread(context->graph);
event_end(0, "stat", NULL);
/* run deferred functions */
event_begin(0, "deferred cpp dependencies", NULL);
if(run_deferred_functions(context, context->firstdeferred_cpp) != 0)
return -1;
event_end(0, "deferred cpp dependencies", NULL);
event_begin(0, "deferred search dependencies", NULL);
if(run_deferred_functions(context, context->firstdeferred_search) != 0)
return -1;
event_end(0, "deferred search dependencies", NULL);
/* */
if(session.verbose)
printf("%s: making build target\n", session.name);
/* make build target */
{
struct NODE *node;
int all_target = 0;
int i;
if(node_create(&context->target, context->graph, "_bam_buildtarget", NULL, TIMESTAMP_PSEUDO))
return -1;
if(num_targets)
{
/* search for all target */
for(i = 0; i < num_targets; i++)
{
if(strcmp(targets[i], "all") == 0)
{
all_target = 1;
break;
}
}
}
/* default too all if we have no targets or default target */
if(num_targets == 0 && !context->defaulttarget)
all_target = 1;
if(all_target)
{
/* build the all target */
for(node = context->graph->first; node; node = node->next)
{
if(node->firstparent == NULL && node != context->target)
{
if(!node_add_dependency (context->target, node))
return -1;
}
}
}
else
{
if(num_targets)
{
for(i = 0; i < num_targets; i++)
{
struct NODE *node = node_find(context->graph, targets[i]);
if(!node)
{
printf("%s: target '%s' not found\n", session.name, targets[i]);
return -1;
}
if(option_dependent)
{
/* TODO: this should perhaps do a reverse walk up in the tree to
find all dependent node with commandline */
struct NODELINK *parent;
for(parent = node->firstparent; parent; parent = parent->next)
{
if(!node_add_dependency (context->target, parent->node))
return -1;
}
}
else
{
if(!node_add_dependency (context->target, node))
return -1;
}
}
}
else
{
if(!node_add_dependency (context->target, context->defaulttarget))
return -1;
}
}
}
/* zero out the global timestamp if we don't want to use it */
if(option_no_scripttimestamp)
context->globaltimestamp = 0;
/* */
if(session.verbose)
printf("%s: setup done\n", session.name);
/* return success */
return 0;
}