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[m6w6/ext-psi] / src / module.c
index 69ec53d6b1d1d16bda64fd5fa23da779f62b231a..f71975b295932bdc053129e3b2fd03b4e955ae41 100644 (file)
 
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
 #endif
 
-#include <jit/jit.h>
-#include <dirent.h>
-#include <fnmatch.h>
-
 #include "php.h"
 #include "php_ini.h"
 #include "ext/standard/info.h"
-#include "php_scandir.h"
+#include "zend_constants.h"
+#include "zend_operators.h"
 
 #include "php_psi.h"
 
-#include "parser.h"
-#include "validator.h"
-#include "compiler.h"
+#if HAVE_LIBJIT
+# include "libjit.h"
+# ifndef HAVE_LIBFFI
+#  define PSI_ENGINE "jit"
+# endif
+#endif
+#if HAVE_LIBFFI
+# include "libffi.h"
+# define PSI_ENGINE "ffi"
+#endif
 
 ZEND_DECLARE_MODULE_GLOBALS(psi);
 
 PHP_INI_BEGIN()
-       STD_PHP_INI_ENTRY("psi.directory", "psis", PHP_INI_ALL, OnUpdateString, directory, zend_psi_globals, psi_globals)
+       STD_PHP_INI_ENTRY("psi.engine", PSI_ENGINE, PHP_INI_SYSTEM, OnUpdateString, engine, zend_psi_globals, psi_globals)
+       STD_PHP_INI_ENTRY("psi.directory", "psi.d", PHP_INI_SYSTEM, OnUpdateString, directory, zend_psi_globals, psi_globals)
 PHP_INI_END();
 
-static void psi_error(int type, const char *msg, ...)
+static zend_object_handlers psi_object_handlers;
+static zend_class_entry *psi_class_entry;
+
+zend_class_entry *psi_object_get_class_entry()
+{
+       return psi_class_entry;
+}
+
+void psi_error_wrapper(PSI_Token *t, int type, const char *msg, ...)
 {
-       char buf[0x1000];
        va_list argv;
+       const char *fn = NULL;
+       unsigned ln = 0;
+
+       if (t) {
+               fn = t->file;
+               ln = t->line;
+       } else if (zend_is_executing()) {
+               fn = zend_get_executed_filename();
+               ln = zend_get_executed_lineno();
+       } else if (zend_is_compiling()) {
+               fn = zend_get_compiled_filename()->val;
+               ln = zend_get_compiled_lineno();
+       }
 
        va_start(argv, msg);
-       vslprintf(buf, 0x1000, msg, argv);
+       psi_verror(type, fn, ln, msg, argv);
        va_end(argv);
+}
+
+void psi_error(int type, const char *fn, unsigned ln, const char *msg, ...)
+{
+       va_list argv;
 
-       php_error(type, buf);
+       va_start(argv, msg);
+       psi_verror(type, fn, ln, msg, argv);
+       va_end(argv);
 }
 
-static int psi_select_dirent(const struct dirent *entry)
+void psi_verror(int type, const char *fn, unsigned ln, const char *msg, va_list argv)
 {
-#ifndef FNM_CASEFOLD
-#define FNM_CASEFOLD 0
-#endif
-       return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
+       zend_error_cb(type, fn, ln, msg, argv);
 }
 
-PHP_MINIT_FUNCTION(psi)
+static void psi_object_free(zend_object *o)
 {
-       jit_context_t ctx;
-       int i, n;
-       struct dirent **entries = NULL;
+       psi_object *obj = PSI_OBJ(NULL, o);
 
-       REGISTER_INI_ENTRIES();
+       if (obj->data) {
+               /* FIXME: how about registering a destructor?
+               // free(obj->data); */
+               obj->data = NULL;
+       }
+       zend_object_std_dtor(o);
+}
 
-       jit_init();
+static zend_object *psi_object_init(zend_class_entry *ce)
+{
+       psi_object *o = ecalloc(1, sizeof(*o) + zend_object_properties_size(ce));
 
-       if (!(ctx = jit_context_create())) {
-               zend_error(E_WARNING, "Could not initialize libjit!");
-               return FAILURE;
-       }
+       zend_object_std_init(&o->std, ce);
+       object_properties_init(&o->std, ce);
+       o->std.handlers = &psi_object_handlers;
+       return &o->std;
+}
 
-       PSI_G(context) = ctx;
+ZEND_BEGIN_ARG_INFO_EX(ai_psi_dump, 0, 0, 0)
+       ZEND_ARG_INFO(0, stream)
+ZEND_END_ARG_INFO();
+static PHP_FUNCTION(psi_dump) {
+       php_stream *s;
+       zval *r = NULL;
+       int fd = STDOUT_FILENO;
 
-       n = php_scandir(PSI_G(directory), &entries, psi_select_dirent, alphasort);
-       if (n < 0) {
-               php_error(E_WARNING, "Failed to scan PSI directory '%s'", PSI_G(directory));
-       } else for (i = 0; i < n; ++i) {
-               char psi[MAXPATHLEN];
-               PSI_Parser P;
-               PSI_Validator V;
+       if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "|r!", &r)) {
+               return;
+       }
+       if (r) {
+               php_stream_from_zval(s, r);
 
-               if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", PSI_G(directory), entries[i]->d_name)) {
-                       php_error(E_WARNING, "Path to PSI file too long: %s/%s",
-                               PSI_G(directory), entries[i]->d_name);
-               }
-               if (!PSI_ParserInit(&P, psi, psi_error, 0)) {
-                       php_error(E_WARNING, "Failed to init PSI parser (%s): %s",
-                               psi, strerror(errno));
-                       continue;
+               if (SUCCESS != php_stream_cast(s, PHP_STREAM_AS_FD | PHP_STREAM_CAST_INTERNAL, (void **)&fd, 1)) {
+                       RETURN_FALSE;
                }
+       }
+       PSI_ContextDump(&PSI_G(context), fd);
+}
 
-               while (-1 != PSI_ParserScan(&P)) {
-                       PSI_ParserParse(&P, PSI_TokenAlloc(&P));
-               };
-               PSI_ParserParse(&P, NULL);
+ZEND_BEGIN_ARG_INFO_EX(ai_psi_validate, 0, 0, 1)
+       ZEND_ARG_INFO(0, file)
+ZEND_END_ARG_INFO();
+static PHP_FUNCTION(psi_validate) {
+       zend_string *file;
+       PSI_Parser P;
+
+       if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "P", &file)) {
+               return;
+       }
 
-               if (!PSI_ValidatorInit(&V, &P)) {
-                       php_error(E_WARNING, "Failed to init PSI validator");
+       if (!PSI_ParserInit(&P, file->val, psi_error_wrapper, 0)) {
+               RETURN_FALSE;
+       }
+
+       while (0 < PSI_ParserScan(&P)) {
+               PSI_ParserParse(&P, PSI_TokenAlloc(&P));
+               if (P.num == PSI_T_EOF) {
                        break;
                }
-               PSI_ParserDtor(&P);
+       }
+       PSI_ParserParse(&P, NULL);
 
-               if (PSI_ValidatorValidate(&V)) {
-                       PSI_Compiler C;
+       if (0 == PSI_ContextValidateData(NULL, PSI_DATA(&P)) && !P.errors) {
+               RETVAL_TRUE;
+       } else {
+               RETVAL_FALSE;
+       }
+       PSI_ParserDtor(&P);
+}
 
-                       jit_context_build_start(ctx);
-                       if (PSI_CompilerInit(&C, &V, ctx)) {
-                               zend_function_entry *closures = PSI_CompilerCompile(&C);
+static PHP_MINIT_FUNCTION(psi)
+{
+       PSI_ContextOps *ops = NULL;
+       zend_class_entry ce = {0};
 
-                               if (closures && SUCCESS != zend_register_functions(NULL, closures, NULL, MODULE_PERSISTENT)) {
-                                       psi_error(E_WARNING, "Failed to register functions!");
-                               }
-                               //PSI_CompilerDtor(&C);
-                       }
-                       jit_context_build_end(ctx);
-               }
-               PSI_ValidatorDtor(&V);
+       REGISTER_INI_ENTRIES();
+
+       INIT_NS_CLASS_ENTRY(ce, "psi", "object", NULL);
+       psi_class_entry = zend_register_internal_class_ex(&ce, NULL);
+       psi_class_entry->create_object = psi_object_init;
+
+       memcpy(&psi_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+       psi_object_handlers.offset = XtOffsetOf(psi_object, std);
+       psi_object_handlers.free_obj = psi_object_free;
+       psi_object_handlers.clone_obj = NULL;
+
+#ifdef HAVE_LIBJIT
+       if (!strcasecmp(PSI_G(engine), "jit")) {
+               ops = PSI_Libjit();
+       } else
+#endif
+#ifdef HAVE_LIBFFI
+               ops = PSI_Libffi();
+#endif
+
+       if (!ops) {
+               php_error(E_WARNING, "No PSI engine found");
+               return FAILURE;
        }
-       if (entries) {
-               for (i = 0; i < n; ++i) {
-                       free(entries[i]);
-               }
-               free(entries);
+
+       PSI_ContextInit(&PSI_G(context), ops, psi_error_wrapper);
+       PSI_ContextBuild(&PSI_G(context), PSI_G(directory));
+
+       if (psi_check_env("PSI_DUMP")) {
+               PSI_ContextDump(&PSI_G(context), STDOUT_FILENO);
        }
+
        return SUCCESS;
 }
-PHP_MSHUTDOWN_FUNCTION(psi)
+
+static PHP_MSHUTDOWN_FUNCTION(psi)
 {
-       jit_context_t ctx = PSI_G(context);
-       jit_context_destroy(ctx);
+       PSI_ContextDtor(&PSI_G(context));
 
        UNREGISTER_INI_ENTRIES();
 
        return SUCCESS;
 }
 
-/* Remove if there's nothing to do at request start */
-/* {{{ PHP_RINIT_FUNCTION
- */
-PHP_RINIT_FUNCTION(psi)
-{
 #if defined(COMPILE_DL_PSI) && defined(ZTS)
-       ZEND_TSRMLS_CACHE_UPDATE();
-#endif
-       return SUCCESS;
-}
-/* }}} */
-
-/* Remove if there's nothing to do at request end */
-/* {{{ PHP_RSHUTDOWN_FUNCTION
- */
-PHP_RSHUTDOWN_FUNCTION(psi)
+static PHP_RINIT_FUNCTION(psi)
 {
+       ZEND_TSRMLS_CACHE_UPDATE();
        return SUCCESS;
 }
-/* }}} */
+#endif
 
-PHP_MINFO_FUNCTION(psi)
+static PHP_MINFO_FUNCTION(psi)
 {
        php_info_print_table_start();
        php_info_print_table_header(2, "psi support", "enabled");
@@ -153,7 +212,10 @@ PHP_MINFO_FUNCTION(psi)
 
        DISPLAY_INI_ENTRIES();
 }
-const zend_function_entry psi_functions[] = {
+
+static const zend_function_entry psi_functions[] = {
+       PHP_FE(psi_dump, ai_psi_dump)
+       PHP_FE(psi_validate, ai_psi_validate)
        PHP_FE_END
 };
 
@@ -163,8 +225,12 @@ zend_module_entry psi_module_entry = {
        psi_functions,
        PHP_MINIT(psi),
        PHP_MSHUTDOWN(psi),
+#if defined(COMPILE_DL_PSI) && defined(ZTS)
        PHP_RINIT(psi),         /* Replace with NULL if there's nothing to do at request start */
-       PHP_RSHUTDOWN(psi),     /* Replace with NULL if there's nothing to do at request end */
+#else
+       NULL,
+#endif
+       NULL,
        PHP_MINFO(psi),
        PHP_PSI_VERSION,
        STANDARD_MODULE_PROPERTIES