};
#define psi_predef_struct_count() psi_predef_count(_struct)
+PHP_PSI_MACROS
+
+typedef struct psi_predef_func {
+ const char *name;
+ void (*func)(void);
+} psi_predef_func;
+static psi_predef_func psi_predef_funcs[] = {
+ PHP_PSI_FUNCS{0}
+};
+#define psi_predef_func_count() psi_predef_count(_func)
+
static int validate_lib(PSI_Data *data, void **dlopened) {
char lib[MAXPATHLEN];
const char *ptr = data->psi.file.ln;
/* FIXME: assume stdlib */
return 1;
} else if (!strchr(ptr, '/')) {
-#ifdef DARWIN
- len = snprintf(lib, MAXPATHLEN, "lib%s.dylib", ptr);
-#else
- len = snprintf(lib, MAXPATHLEN, "lib%s.so", ptr);
-#endif
+ len = snprintf(lib, MAXPATHLEN, "lib%s.%s", ptr, PHP_PSI_SHLIB_SUFFIX);
if (MAXPATHLEN == len) {
data->error(PSI_WARNING, "Library name too long: '%s'", ptr);
}
return 0;
}
- ZEND_ASSERT(!darg->var->arg);
+ ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
darg->var->arg = darg;
if (!darg->layout) {
#endif
decl->dlptr = dlsym(dl ?: RTLD_NEXT, func->var->name);
if (!decl->dlptr) {
- data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
- func->var->name, dlerror());
+ size_t i;
+
+ for (i = 0; i < psi_predef_func_count(); ++i) {
+ psi_predef_func *pre = &psi_predef_funcs[i];
+
+ if (!strcmp(func->var->name, pre->name)) {
+ decl->dlptr = pre->func;
+ break;
+ }
+ }
+ if (!decl->dlptr) {
+ data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
+ func->var->name, dlerror());
+ }
}
return 1;
}
return 1;
}
+static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
+ size_t i;
+
+ ZEND_ASSERT(s);
+ for (i = 0; i < s->args->count; ++i) {
+ decl_arg *darg = s->args->args[i];
+
+ if (!strcmp(var->name, darg->var->name)) {
+ return var->arg = darg;
+ }
+ }
+
+ return NULL;
+}
+static inline int validate_set_value(PSI_Data *data, set_value *set, decl_arg *ref) {
+ size_t i;
+ decl_type *ref_type = real_decl_type(ref->type);
+ decl_var *set_var = set->vars->vars[0];
+
+ switch (set->func->type) {
+ case PSI_T_TO_BOOL:
+ set->func->handler = psi_to_bool;
+ break;
+ case PSI_T_TO_INT:
+ set->func->handler = psi_to_int;
+ break;
+ case PSI_T_TO_FLOAT:
+ set->func->handler = psi_to_double;
+ break;
+ case PSI_T_TO_STRING:
+ set->func->handler = psi_to_string;
+ break;
+ case PSI_T_TO_ARRAY:
+ set->func->handler = psi_to_array;
+ break;
+ EMPTY_SWITCH_DEFAULT_CASE();
+ }
+
+ if (strcmp(set_var->name, ref->var->name)) {
+ return 0;
+ }
+
+ if (set->count && (set->func->type != PSI_T_TO_ARRAY || ref_type->type != PSI_T_STRUCT)) {
+ data->error(E_WARNING, "Inner `set` statement casts only work with to_array() casts on structs");
+ return 0;
+ }
+ for (i = 0; i < set->count; ++i) {
+ decl_var *sub_var = set->inner[i]->vars->vars[0];
+ decl_arg *sub_ref = locate_struct_member(ref_type->strct, sub_var);
+
+ if (sub_ref) {
+ if (!validate_set_value(data, set->inner[i], sub_ref)) {
+ return 0;
+ }
+ }
+ }
+
+ return 1;
+}
static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
size_t i;
for (i = 0; i < decls->count; ++i) {
- if (!strcmp(decls->list[i]->func->var->name, ret->decl->name)) {
- ret->decl->arg = decls->list[i]->func;
+ if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
+ ret->decl = decls->list[i]->func;
return decls->list[i];
}
}
return NULL;
}
static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
+ return_stmt *ret;
+
/* we must have exactly one ret stmt delcaring the native func to call */
/* and which type cast to apply */
if (impl->stmts->ret.count != 1) {
}
return 0;
}
- if (!(impl->decl = locate_impl_decl(data->decls, impl->stmts->ret.list[0]))) {
+
+ ret = impl->stmts->ret.list[0];
+
+ if (!(impl->decl = locate_impl_decl(data->decls, ret))) {
data->error(PSI_WARNING, "Missing declaration for implementation %s",
impl->func->name);
return 0;
}
+ if (!validate_set_value(data, ret->set, ret->decl)) {
+ return 0;
+ }
return 1;
}
if (!strcmp(set_var->name, set_arg->var->name)) {
check = 1;
+ if (!validate_set_value(data, set->val, set_arg)) {
+ return 0;
+ }
set_var->arg = set_arg;
break;
}
}
return 1;
}
+static inline decl *locate_free_decl(decls *decls, free_call *f) {
+ size_t i;
+
+ for (i = 0; i < decls->count; ++i) {
+ if (!strcmp(decls->list[i]->func->var->name, f->func)) {
+ f->decl = decls->list[i];
+ return decls->list[i];
+ }
+ }
+ return NULL;
+}
static inline int validate_impl_free_stmts(PSI_Data *data, impl *impl) {
- size_t i, j, k;
+ size_t i, j, k, l;
/* we can have any count of free stmts; freeing any out vars */
for (i = 0; i < impl->stmts->fre.count; ++i) {
free_stmt *fre = impl->stmts->fre.list[i];
- for (j = 0; j < fre->vars->count; ++j) {
- decl_var *free_var = fre->vars->vars[j];
- int check = 0;
+ for (j = 0; j < fre->calls->count; ++j) {
+ free_call *free_call = fre->calls->list[j];
- if (!strcmp(free_var->name, impl->decl->func->var->name)) {
- continue;
+ /* first find the decl of the free func */
+ if (!locate_free_decl(data->decls, free_call)) {
+ data->error(PSI_WARNING, "Unknown function '%s' in `free` statement"
+ " of implementation '%s'", free_call->func, impl->func->name);
+ return 0;
+ }
+ if (!impl->decl->args) {
+ data->error(PSI_WARNING, "Declaration '%s' of implementation '%s'"
+ " does not have any arguments to free",
+ impl->decl->func->var->name, impl->func->name);
}
- if (impl->decl->args) for (k = 0; k < impl->decl->args->count; ++k) {
- decl_arg *free_arg = impl->decl->args->args[k];
- if (!strcmp(free_var->name, free_arg->var->name)) {
- check = 1;
- free_var->arg = free_arg;
- break;
+ /* now check for known vars */
+ for (l = 0; l < free_call->vars->count; ++l) {
+ int check = 0;
+ decl_var *free_var = free_call->vars->vars[l];
+
+ for (k = 0; k < impl->decl->args->count; ++k) {
+ decl_arg *free_arg = impl->decl->args->args[k];
+
+ if (!strcmp(free_var->name, free_arg->var->name)) {
+ check = 1;
+ free_var->arg = free_arg;
+ break;
+ }
}
- }
- if (!check) {
- data->error(PSI_WARNING, "Unknown variable '%s' of `free` statement"
- " of implementation '%s'",
- free_var->name, impl->func->name);
- return 0;
+ if (!check) {
+ data->error(PSI_WARNING, "Unknown variable '%s' of `free` statement"
+ " of implementation '%s'",
+ free_var->name, impl->func->name);
+ return 0;
+ }
}
}
}
return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
}
-void PSI_ContextBuild(PSI_Context *C, const char *path)
+void PSI_ContextBuild(PSI_Context *C, const char *paths)
{
int i, n;
+ char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
struct dirent **entries = NULL;
- n = php_scandir(path, &entries, psi_select_dirent, alphasort);
- if (n < 0) {
- return;
- } else for (i = 0; i < n; ++i) {
- char psi[MAXPATHLEN];
- PSI_Parser P;
+ do {
+ sep = strchr(ptr, ':');
- if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", path, entries[i]->d_name)) {
- C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
- path, entries[i]->d_name);
+ if (sep) {
+ *sep = 0;
}
- if (!PSI_ParserInit(&P, psi, C->error, 0)) {
- C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
- psi, strerror(errno));
- continue;
+
+ n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
+
+ if (n > 0) {
+ for (i = 0; i < n; ++i) {
+ char psi[MAXPATHLEN];
+ PSI_Parser P;
+
+ if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
+ C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
+ ptr, entries[i]->d_name);
+ }
+ if (!PSI_ParserInit(&P, psi, C->error, 0)) {
+ C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
+ psi, strerror(errno));
+ continue;
+ }
+
+ while (-1 != PSI_ParserScan(&P)) {
+ PSI_ParserParse(&P, PSI_TokenAlloc(&P));
+ };
+ PSI_ParserParse(&P, NULL);
+ PSI_ContextValidate(C, &P);
+ PSI_ParserDtor(&P);
+ }
}
- while (-1 != PSI_ParserScan(&P)) {
- PSI_ParserParse(&P, PSI_TokenAlloc(&P));
- };
- PSI_ParserParse(&P, NULL);
- PSI_ContextValidate(C, &P);
- PSI_ParserDtor(&P);
- }
+ if (entries) {
+ for (i = 0; i < n; ++i) {
+ free(entries[i]);
+ }
+ free(entries);
+ }
+
+ ptr = sep + 1;
+ } while (sep);
+
if (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
C->error(PSI_WARNING, "Failed to register functions!");
}
- if (entries) {
- for (i = 0; i < n; ++i) {
- free(entries[i]);
- }
- free(entries);
- }
+ free(cpy);
}
return C->closures = C->ops->compile(C);
}
+
+void PSI_ContextCall(PSI_Context *C, impl_val *ret_val, decl *decl, impl_val **args)
+{
+ C->ops->call(C, ret_val, decl, args);
+}
+
void PSI_ContextDtor(PSI_Context *C)
{
size_t i;