/* Posix */
#include <stdlib.h> //exit
#include <unistd.h> //getopt, sysconf
+#include <dirent.h> //opendir
/* Internal */
+#include "apc.h"
#include "parser.tab.h" //bison
#include "ir.h"
#define DEFAULT_PAGESIZE 4096
const char** cargs;
+const char* apc_package_name;
long sys_pagesize;
int main(int, char*[]);
extern //scanner.c
void scanner_quit(void);
extern //scanner.c
-int scanner_scanpath(char const*);
+int scanner_scandir(DIR*);
extern //ir.c
int ir_init(void);
extern //ir.c
"\t\t-o\tOutput filename \t\t[a.asspak]\n" \
"\t\t-h\tPrint this help\n"
#define DONE -1
-#define SCANPATH (cargs['d'] ? cargs['d'] : "./")
{ int opt;
+ const char* scanpath;
+ char* path_iter;
+ char path_buf[APC_NAME_MAX];
+ DIR* dirp;
cargs = (const char**) malloc('Z');
getopt:
switch (opt = getopt(argc, argv, OPTS))
free(cargs);
exit(EXIT_FAILURE);
}
- if (scanner_scanpath(SCANPATH))
+
+ scanpath = cargs['d'] ? cargs['d'] : "./";
+ errno = 0;
+ dirp = opendir(scanpath);
+ if (dirp == NULL || errno)
+ { fprintf(stderr, "Path %s could not be accessed\n", scanpath);
+ return -1;
+ }
+ if (chdir(scanpath))
+ { fprintf(stderr, "Could not change directory to %s \n", scanpath);
+ return -1;
+ }
+ apc_package_name = path_iter = getcwd(path_buf, APC_NAME_MAX - 1);
+ basename:
+ while (*path_iter != '\0')
+ { if (*path_iter == '/')
+ apc_package_name = path_iter + 1;
+ path_iter++;
+ }
+ if (apc_package_name == path_buf)
+ { fprintf(stderr, "Error resolving package name from path %s\n", path_buf);
+ free(cargs);
+ exit(EXIT_FAILURE);
+ }
+ if (apc_package_name == path_iter)
+ { *--path_iter = '\0';
+ goto basename;
+ }
+ if (scanner_scandir(dirp))
{ perror("scanner");
free(cargs);
exit(EXIT_FAILURE);
{ struct ir_setdata_header_t header;\r
struct ir_classld_t* classld;\r
struct ir_setld_t* setld;\r
+ struct ir_set_t* trg_set;\r
enum ltype type;\r
};\r
union ir_setdata_t\r
static inline\r
union ir_setdata_t* ir_framedata (enum dtype,const uint8_t*,apc_facing,int,int);\r
static inline\r
+void ir_linkdata_resolve_set(union ir_setdata_t*);\r
+static inline\r
int bytes_identical(const uint8_t*,const uint8_t*);\r
static inline\r
int classnames_identical(const uint8_t*,const uint8_t*);\r
#define struct_alloc(_T) ((struct _T*) stack_alloc(&datapages, sizeof(struct _T)))\r
extern //apc.c\r
long sys_pagesize;\r
+extern //apc.c\r
+char* apc_package_name;\r
static\r
struct pagelist_t datapages, namepages, refhashpages;\r
static\r
-struct ir_class_t root_class = { .name = (uint8_t*)"." };\r
+struct ir_class_t root_class;\r
\r
/* Init */\r
int ir_init\r
{ pagelist_init(datapages, (size_t)SYS_PAGESIZE);\r
pagelist_init(namepages, (size_t)NAME_PAGESIZE);\r
pagelist_init(refhashpages, (size_t)SYS_PAGESIZE);\r
-\r
+ root_class.name = (uint8_t*) apc_package_name;\r
return 0;\r
}\r
\r
( struct ir_set_t* set )\r
{ return (union ir_setdata_t*) set->links; }\r
\r
+#define assert_link(linkdata) do { \\r
+ if (linkdata->header.type != LDAT) \\r
+ eprintf("Data %s is not a link\n", linkdata->header.data_name); \\r
+ } while (0)\r
+\r
/* Return the link type */\r
enum ltype ir_linkdata_type\r
( union ir_setdata_t* linkdata )\r
-{ if (linkdata->header.type != LDAT)\r
- eprintf("Data %s is not a link\n", linkdata->header.data_name);\r
+{ assert_link(linkdata);\r
return linkdata->link.type;\r
}\r
\r
/* Return the link type */\r
uint32_t ir_linkdata_ref\r
( union ir_setdata_t* linkdata )\r
-{ if (linkdata->header.type != LDAT)\r
- eprintf("Data %s is not a link\n", linkdata->header.data_name);\r
+{ assert_link(linkdata);\r
return linkdata->link.setld->ref;\r
}\r
\r
-/* Resolve and return the link's target set\r
- Fails on error, cannot return NULL\r
-*/\r
+/* Return the current target set, resolving it first if not present */\r
struct ir_set_t* ir_linkdata_set\r
( union ir_setdata_t* linkdata )\r
+{ assert_link(linkdata);\r
+ if (linkdata->link.trg_set == NULL)\r
+ ir_linkdata_resolve_set(linkdata);\r
+ return linkdata->link.trg_set;\r
+}\r
+\r
+/* Resolve and assign the link's target set */\r
+static inline\r
+void ir_linkdata_resolve_set\r
+( union ir_setdata_t* linkdata )\r
{ struct ir_class_t* class_iter;\r
struct ir_namelist_t* namelist_iter,* namelist_iter_last;\r
struct ir_setld_t* setld;\r
struct ir_set_t* set;\r
set = NULL;\r
class_iter = NULL;\r
- if (linkdata->header.type != LDAT)\r
- eprintf("Data %s is not a link\n", linkdata->header.data_name);\r
+ assert_link(linkdata);\r
setld = linkdata->link.setld;\r
if (linkdata->link.setld == NULL)\r
eprintf("Link data is invalid\n");\r
class_iter->name);\r
}\r
}\r
- return set;\r
+ linkdata->link.trg_set = set;\r
}\r
\r
/* Get a setdata's next sibling */\r
#include "parser.tab.h"
/* Public */
void scanner_quit(void);
-int scanner_scanpath(char const*);
int scanner_scandir(DIR*);
/* Private */
static
int lexer_lexdir(uint8_t*);
extern //lexer.rl
void lexer_closedir(void);
-/* Scan the provided path
- Changes working directory to the provided pathname and, if successful, sends
- a directory stream of the provided path to scanner_scandir
-*/
-int scanner_scanpath
-( char const* pathname )
-{ DIR* dirp;
- errno = 0;
- if ((dirp = opendir(pathname)) == NULL || errno)
- { fprintf(stderr, "Path %s could not be accessed\n", pathname);
- return -1;
- }
- if (chdir(pathname))
- return -1;
- return scanner_scandir(dirp);
-}
/* Scan directory stream
Recursively scans the provided directory, sending CLOPEN and CLCLOSE tokens