-#include <sys/param.h>
-#include <dlfcn.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <errno.h>
+/*******************************************************************************
+ Copyright (c) 2016, Michael Wallner <mike@php.net>.
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*******************************************************************************/
+
+#include "php_psi_stdinc.h"
+
+#include "php.h"
-#ifdef HAVE_CONFIG_H
-# include "config.h"
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen ((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) ((dirent)->d_namlen)
+# ifdef HAVE_SYS_NDIR_H
+# include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+# include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+# include <ndir.h>
+# endif
#endif
-#include "php.h"
+#include <fnmatch.h>
+
#include "php_scandir.h"
#include "php_psi.h"
-#include "context.h"
-#include "parser.h"
-
+#include "calc.h"
+#include "call.h"
#include "libjit.h"
#include "libffi.h"
-#define psi_predef_count(of) ((sizeof(psi_predef ##of## s)/sizeof(psi_predef ##of))-1)
-typedef struct psi_predef_type {
- token_t type_tag;
- const char *type_name;
- const char *alias;
-} psi_predef_type;
-static const psi_predef_type psi_predef_types[] = {
- PHP_PSI_TYPES{0}
-};
-#define psi_predef_type_count() psi_predef_count(_type)
-
-typedef struct psi_predef_const {
- token_t type_tag;
- const char *type_name;
- const char *name;
- const char *val_text;
- token_t val_type_tag;
-} psi_predef_const;
-static const psi_predef_const psi_predef_consts[] = {
- PHP_PSI_CONSTS{0}
-};
-#define psi_predef_const_count() psi_predef_count(_const)
-
-typedef struct psi_predef_struct_member {
- token_t type_tag;
- const char *type_name;
- const char *name;
- size_t off;
- size_t len;
- size_t pointer_level;
- size_t array_size;
-} psi_predef_struct_member;
-#define PSI_PREDEF_STRUCT_MEMBERS 32
-typedef struct psi_predef_struct {
- const char *name;
- size_t size;
- psi_predef_struct_member members[PSI_PREDEF_STRUCT_MEMBERS];
-} psi_predef_struct;
-static const psi_predef_struct psi_predef_structs[] = {
- PHP_PSI_STRUCTS{0}
-};
-#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;
- size_t len;
-
- if (!ptr) {
- /* FIXME: assume stdlib */
- return 1;
- } else if (!strchr(ptr, '/')) {
- 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);
- }
- lib[len] = 0;
- ptr = lib;
- }
- if (!(*dlopened = dlopen(ptr, RTLD_LAZY|RTLD_LOCAL))) {
- data->error(PSI_WARNING, "Could not open library '%s': %s.",
- data->psi.file.ln, dlerror());
- return 0;
- }
- return 1;
-}
-
-static inline int locate_decl_type_alias(decl_typedefs *defs, decl_type *type) {
- size_t i;
-
- if (type->real) {
- return 1;
- }
- for (i = 0; i < defs->count; ++i) {
- if (!strcmp(defs->list[i]->alias, type->name)) {
- type->real = defs->list[i]->type;
- return 1;
- }
- }
- return 0;
-}
-static inline int locate_decl_type_struct(decl_structs *structs, decl_type *type) {
- size_t i;
-
- if (type->strct) {
- return 1;
- }
- for (i = 0; i < structs->count; ++i) {
- if (!strcmp(structs->list[i]->name, type->name)) {
- type->strct = structs->list[i];
- return 1;
- }
- }
- return 0;
-}
-
-static inline int validate_decl_type(PSI_Data *data, decl_type *type) {
- switch (type->type) {
- case PSI_T_NAME:
- if (!data->defs || !locate_decl_type_alias(data->defs, type)) {
- return 0;
- }
- return validate_decl_type(data, type->real);
- case PSI_T_STRUCT:
- if (!data->structs || !locate_decl_type_struct(data->structs, type)) {
- return 0;
- }
- break;
- }
- return 1;
-}
-static inline int validate_decl_typedef(PSI_Data *data, decl_typedef *def) {
- if (!validate_decl_type(data, def->type)) {
- data->error(PSI_WARNING, "Type '%s' cannot be aliased to '%s'",
- def->type->name, def->alias);
- return 0;
- }
- /* FIXME: check def->alias */
- return 1;
-}
-
-static inline int validate_constant(PSI_Data *data, constant *c) {
- /* FIXME */
- return 1;
-}
-
-static inline int validate_decl_arg(PSI_Data *data, decl_arg *arg) {
- if (!validate_decl_type(data, arg->type)) {
- data->error(PSI_WARNING, "Cannot use '%s' as type for '%s'",
- arg->type->name, arg->var->name);
- return 0;
- }
- return 1;
-}
-
-static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
- size_t i;
-
- for (i = 0; i < s->args->count; ++i) {
- if (!validate_decl_arg(data, s->args->args[i])) {
- return 0;
- }
- }
-
- for (i = 0; i < s->args->count; ++i) {
- decl_arg *darg = s->args->args[i];
-
- if (!validate_decl_arg(data, darg)) {
- return 0;
- }
-
- ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
- darg->var->arg = darg;
-
- if (!darg->layout) {
- token_t t;
-
- if (darg->var->pointer_level && (!darg->var->array_size || darg->var->pointer_level == 1)) {
- t = PSI_T_POINTER;
- } else {
- t = real_decl_type(darg->type)->type;
- }
-
- if (i) {
- decl_arg *last = s->args->args[i-1];
- darg->layout = init_decl_struct_layout(
- psi_t_align(t, last->layout->pos + last->layout->len),
- psi_t_size(t) * darg->var->array_size);
- } else {
- darg->layout = init_decl_struct_layout(0, psi_t_size(t));
- }
- }
- if (s->size < darg->layout->pos + darg->layout->len) {
- s->size = darg->layout->pos + darg->layout->len;
- }
- }
- return 1;
-}
+#include "token.h"
+#include "parser.h"
-static const char * const abi_ccs[] = {
- "default", /* \ */
- "extern", /* > - all the same */
- "cdecl", /* / */
- "stdcall",
- "fastcall",
-};
-static inline int validate_decl_abi(PSI_Data *data, decl_abi *abi) {
- size_t i;
+#include "php_psi_posix.h"
- for (i = 0; i < sizeof(abi_ccs)/sizeof(char*); ++i) {
- if (strcasecmp(abi->convention, abi_ccs[i])) {
- return 1;
- }
- }
- data->error(PSI_WARNING, "Invalid calling convention: '%s'", abi->convention);
- return 0;
-}
-static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_arg *func)
+PHP_MINIT_FUNCTION(psi_context)
{
- if (!strcmp(func->var->name, "dlsym")) {
- data->error(PSI_WARNING, "Cannot dlsym dlsym (sic!)");
- return 0;
- }
+ unsigned flags = 0;
+ struct psi_context_ops *ops = NULL;
- if (!validate_decl_arg(data, func)) {
- return 0;
- }
-#ifndef RTLD_NEXT
-# define RTLD_NEXT ((void *) -1l)
+#ifdef HAVE_LIBJIT
+ if (!strcasecmp(PSI_G(engine), "jit")) {
+ ops = psi_libjit_ops();
+ } else
+#endif
+#ifdef HAVE_LIBFFI
+ ops = psi_libffi_ops();
#endif
- decl->call.sym = dlsym(dl ?: RTLD_NEXT, func->var->name);
- if (!decl->call.sym) {
- 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->call.sym = pre->func;
- break;
- }
- }
- if (!decl->call.sym) {
- data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
- func->var->name, dlerror());
- }
- }
- return 1;
-}
-
-static inline int validate_decl(PSI_Data *data, void *dl, decl *decl) {
- if (!validate_decl_abi(data, decl->abi)) {
- return 0;
- }
- if (!validate_decl_func(data, dl, decl, decl->func)) {
- return 0;
- }
- if (decl->args) {
- size_t i;
-
- for (i = 0; i < decl->args->count; ++i) {
- if (!validate_decl_arg(data, decl->args->args[i])) {
- return 0;
- }
- }
- }
- return 1;
-}
-
-static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
- if (s->args) {
- size_t i;
-
- 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 (!ops) {
+ php_error(E_WARNING, "No PSI engine found");
+ return FAILURE;
}
- if (strcmp(set_var->name, ref->var->name)) {
- return 0;
+ PSI_G(ops) = ops;
+ if (ops->load && SUCCESS != ops->load()) {
+ return FAILURE;
}
- ZEND_ASSERT(!set_var->arg || set_var->arg == ref);
- set_var->arg = ref;
- if (set->count && (set->func->type != PSI_T_TO_ARRAY || (ref_type->type != PSI_T_STRUCT && !ref->var->arg->var->pointer_level))) {
- data->error(E_WARNING, "Inner `set` statement casts only work with to_array() casts on structs or pointers");
- return 0;
+ if (psi_check_env("PSI_DEBUG")) {
+ flags |= PSI_DEBUG;
}
-
- if (ref_type->type == PSI_T_STRUCT) {
- 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;
- }
- }
- }
- } else if (set->count == 1) {
- decl_var *sub_var = set->inner[0]->vars->vars[0];
- decl_arg *sub_ref = sub_var->arg;
-
- if (sub_ref) {
- if (!validate_set_value(data, set->inner[0], sub_ref)) {
- return 0;
- }
- }
- } else if (set->count > 1) {
- data->error(E_WARNING, "Inner `set` statement casts on pointers may only occur once");
- return 0;
+ if (psi_check_env("PSI_SILENT")) {
+ flags |= PSI_SILENT;
}
- return 1;
-}
-static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
- if (decls) {
- size_t i;
-
- for (i = 0; i < decls->count; ++i) {
- if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
- ret->decl = decls->list[i]->func;
- return decls->list[i];
- }
- }
- }
+ PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags);
+ psi_context_build(PSI_G(context), PSI_G(directory));
- return NULL;
+ return SUCCESS;
}
-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) {
- if (impl->stmts->ret.count > 1) {
- data->error(PSI_WARNING, "Too many `return` statements for implmentation %s;"
- " found %zu, exactly one is needed",
- impl->func->name, impl->stmts->ret.count);
- } else {
- data->error(PSI_WARNING, "Missing `return` statement for implementation %s",
- impl->func->name);
- }
- return 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;
- }
-
- impl->decl->impl = impl;
-
- return 1;
-}
-static inline int validate_impl_let_stmts(PSI_Data *data, impl *impl) {
- size_t i, j;
- /* we can have multiple let stmts */
- /* check that we have a let stmt for every decl arg */
- if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
- decl_arg *darg = impl->decl->args->args[i];
- int check = 0;
-
- for (j = 0; j < impl->stmts->let.count; ++j) {
- let_stmt *let = impl->stmts->let.list[j];
-
- if (!strcmp(let->var->name, darg->var->name)) {
- darg->let = let;
- check = 1;
- break;
- }
- }
- if (!check) {
- data->error(PSI_WARNING, "Missing `let` statement for arg '%s %.*s%s'"
- " of declaration '%s' for implementation '%s'",
- darg->type->name, (int) darg->var->pointer_level, "*****",
- darg->var->name, impl->decl->func->var->name, impl->func->name);
- return 0;
- }
- }
- /* check that the let_value references a known variable or NULL */
- for (i = 0; i < impl->stmts->let.count; ++i) {
- let_stmt *let = impl->stmts->let.list[i];
- int check = 0;
-
- if (let->val && let->val->func && let->val->func->alloc) {
- if (!validate_decl_type(data, let->val->func->alloc->type)) {
- data->error(PSI_WARNING, "Cannot use '%s' as type for calloc in `let` statement",
- let->val->func->alloc->type->name);
- return 0;
- }
- }
- if (let->val && let->val->var) {
- if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
- impl_arg *iarg = impl->func->args->args[j];
-
- if (!strcmp(let->val->var->name, iarg->var->name)) {
- let->arg = iarg;
- check = 1;
- break;
- }
- }
- if (!check) {
- data->error(PSI_WARNING, "Unknown value '$%s' of `let` statement"
- " for variable '%s' of implementation '%s'",
- let->val->var->name, let->var->name, impl->func->name);
- return 0;
- }
- }
- }
- return 1;
-}
-static inline int validate_impl_set_stmts(PSI_Data *data, impl *impl) {
- size_t i, j, k;
- /* we can have any count of set stmts; processing out vars */
- /* check that set stmts reference known variables */
- for (i = 0; i < impl->stmts->set.count; ++i) {
- set_stmt *set = impl->stmts->set.list[i];
- int check = 0;
-
- if (impl->func->args) for (j = 0; j < impl->func->args->count; ++j) {
- impl_arg *iarg = impl->func->args->args[j];
-
- if (!strcmp(set->var->name, iarg->var->name)) {
- set->arg = iarg;
- check = 1;
- break;
- }
- }
- if (!check) {
- data->error(PSI_WARNING, "Unknown variable '$%s' of `set` statement"
- " of implementation '%s'",
- set->var->name, impl->func->name);
- return 0;
- }
-
- for (j = 0; j < set->val->vars->count; ++j) {
- decl_var *set_var = set->val->vars->vars[j];
-
- check = 0;
- if (impl->decl->args) for (k = 0; k < impl->decl->args->count; ++k) {
- decl_arg *set_arg = impl->decl->args->args[k];
-
- 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;
- }
- }
-
- if (!check) {
- data->error(PSI_WARNING, "Unknown value '%s' of `set` statement"
- " for variable '$%s' of implementation '%s'",
- set_var->name, set->arg->var->name, impl->func->name);
- return 0;
- }
- }
- }
- return 1;
-}
-static inline decl *locate_free_decl(decls *decls, free_call *f) {
- if (decls) {
- 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];
- }
- }
+PHP_MSHUTDOWN_FUNCTION(psi_context)
+{
+ if (psi_check_env("PSI_DUMP")) {
+ psi_context_dump(PSI_G(context), STDOUT_FILENO);
}
- return NULL;
-}
-static inline int validate_impl_free_stmts(PSI_Data *data, impl *impl) {
- 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->calls->count; ++j) {
- free_call *free_call = fre->calls->list[j];
-
- /* 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);
- }
-
- /* 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;
- }
- }
- }
- }
- return 1;
-}
-static inline int validate_impl_stmts(PSI_Data *data, impl *impl) {
- if (!impl->stmts) {
- data->error(PSI_WARNING, "Missing body for implementation %s!",
- impl->func->name);
- return 0;
- }
-
- if (!validate_impl_ret_stmt(data, impl)) {
- return 0;
- }
+ psi_context_free(&PSI_G(context));
- if (!validate_impl_let_stmts(data, impl)) {
- return 0;
- }
- if (!validate_impl_set_stmts(data, impl)) {
- return 0;
- }
- if (!validate_impl_free_stmts(data, impl)) {
- return 0;
+ if (PSI_G(ops)->free) {
+ PSI_G(ops)->free();
}
- return 1;
+ return SUCCESS;
}
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
{
- size_t i, j;
- PSI_Data T;
-
if (!C) {
C = malloc(sizeof(*C));
}
memset(C, 0, sizeof(*C));
- C->error = error;
+ psi_data_ctor(PSI_DATA(C), error, flags);
C->ops = ops;
if (ops->init) {
ops->init(C);
}
- ZEND_ASSERT(ops->call != NULL);
- ZEND_ASSERT(ops->compile != NULL);
-
- /* build up predefs in a temporary PSI_Data for validation */
- memset(&T, 0, sizeof(T));
- T.error = error;
-
- for (i = 0; i < psi_predef_type_count(); ++i) {
- const psi_predef_type *pre = &psi_predef_types[i];
- decl_type *type = init_decl_type(pre->type_tag, pre->type_name);
- decl_typedef *def = init_decl_typedef(pre->alias, type);
-
- T.defs = add_decl_typedef(T.defs, def);
- }
- for (i = 0; i < psi_predef_const_count(); ++i) {
- const psi_predef_const *pre = &psi_predef_consts[i];
- impl_def_val *val = init_impl_def_val(pre->val_type_tag, pre->val_text);
- const_type *type = init_const_type(pre->type_tag, pre->type_name);
- constant *constant = init_constant(type, pre->name, val);
-
- T.consts = add_constant(T.consts, constant);
- }
- for (i = 0; i < psi_predef_struct_count(); ++i) {
- const psi_predef_struct *pre = &psi_predef_structs[i];
- decl_args *dargs = init_decl_args(NULL);
- decl_struct *dstruct;
-
- for (j = 0; j < PSI_PREDEF_STRUCT_MEMBERS; ++j) {
- const psi_predef_struct_member *member = &pre->members[j];
- decl_type *type;
- decl_var *dvar;
- decl_arg *darg;
-
- if (!member->name) {
- break;
- }
-
- type = init_decl_type(member->type_tag, member->type_name);
- dvar = init_decl_var(member->name, member->pointer_level, member->array_size);
- darg = init_decl_arg(type, dvar);
- darg->layout = init_decl_struct_layout(member->off, member->len);
- dargs = add_decl_arg(dargs, darg);
- }
-
- dstruct = init_decl_struct(pre->name, dargs);
- dstruct->size = pre->size;
- T.structs = add_decl_struct(T.structs, dstruct);
- }
-
- for (i = 0; i < psi_predef_type_count(); ++i) {
- decl_typedef *def = T.defs->list[i];
-
- if (validate_decl_typedef(&T, def)) {
- C->defs = add_decl_typedef(C->defs, def);
- }
- }
-
- for (i = 0; i < psi_predef_const_count(); ++i) {
- constant *constant = T.consts->list[i];
-
- if (validate_constant(&T, constant)) {
- C->consts = add_constant(C->consts, constant);
- }
- }
-
- for (i = 0; i < psi_predef_struct_count(); ++i) {
- decl_struct *dstruct = T.structs->list[i];
-
- if (validate_decl_struct(&T, dstruct)) {
- C->structs = add_decl_struct(C->structs, dstruct);
- }
- }
-
- C->count = 1;
- C->data = malloc(sizeof(*C->data));
- PSI_DataExchange(C->data, &T);
+ assert(ops->call != NULL);
+ assert(ops->compile != NULL);
return C;
}
-int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
-{
- PSI_Data *D;
- void *dlopened = NULL;
- size_t count = C->count++;
-
- C->data = realloc(C->data, C->count * sizeof(*C->data));
- D = PSI_DataExchange(&C->data[count], PSI_DATA(P));
-
- if (D->defs) {
- size_t i;
-
- for (i = 0; i < D->defs->count; ++i) {
- if (validate_decl_typedef(PSI_DATA(C), D->defs->list[i])) {
- C->defs = add_decl_typedef(C->defs, D->defs->list[i]);
- }
- }
- }
- if (D->structs) {
- size_t i;
-
- for (i = 0; i < D->structs->count; ++i) {
- if (validate_decl_struct(PSI_DATA(C), D->structs->list[i])) {
- C->structs = add_decl_struct(C->structs, D->structs->list[i]);
- }
- }
- }
- if (D->consts) {
- size_t i;
-
- for (i = 0; i < D->consts->count; ++i) {
- if (validate_constant(PSI_DATA(C), D->consts->list[i])) {
- C->consts = add_constant(C->consts, D->consts->list[i]);
- }
- }
- }
-
- if (!validate_lib(D, &dlopened)) {
- return 0;
- }
-
- add_decl_lib(&C->psi.libs, dlopened);
-
- if (D->decls) {
- size_t i;
-
- for (i = 0; i < D->decls->count; ++i) {
- if (validate_decl(PSI_DATA(C), dlopened, D->decls->list[i])) {
- C->decls = add_decl(C->decls, D->decls->list[i]);
- }
- }
- }
- if (D->impls) {
- size_t i;
-
- for (i = 0; i < D->impls->count; ++i) {
- if (validate_impl_stmts(PSI_DATA(C), D->impls->list[i])) {
- C->impls = add_impl(C->impls, D->impls->list[i]);
- }
- }
- }
-
- return 1;
-}
-
static int psi_select_dirent(const struct dirent *entry)
{
#ifndef FNM_CASEFOLD
-#define FNM_CASEFOLD 0
+# define FNM_CASEFOLD 0
#endif
return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
}
-void PSI_ContextBuild(PSI_Context *C, const char *paths)
+static bool psi_context_add(struct psi_context *C, struct psi_parser *P)
{
- int i, n, flags = getenv("PSI_DEBUG") ? PSI_PARSER_DEBUG : 0;
- char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
- struct dirent **entries = NULL;
+ bool valid;
+ struct psi_data *D;
+ struct psi_validate_scope scope = {0};
+ C->data = realloc(C->data, (C->count + 1) * sizeof(*C->data));
+ D = psi_data_exchange(&C->data[C->count++], PSI_DATA(P));
+
+ psi_validate_scope_ctor(&scope);
+ scope.defs = &P->preproc->defs;
+ valid = psi_validate(&scope, PSI_DATA(C), D);
+ psi_validate_scope_dtor(&scope);
+
+ return valid;
+}
+
+void psi_context_build(struct psi_context *C, const char *paths)
+{
+ int i, n;
+ char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
+ struct dirent **entries;
do {
sep = strchr(ptr, ':');
*sep = 0;
}
+ entries = NULL;
n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
if (n > 0) {
for (i = 0; i < n; ++i) {
char psi[MAXPATHLEN];
- PSI_Parser P;
+ struct psi_parser P;
+ struct psi_parser_input *I;
if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
- C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Path to PSI file too long: %s/%s",
ptr, entries[i]->d_name);
}
- if (!PSI_ParserInit(&P, psi, C->error, flags)) {
- C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
+ if (!psi_parser_init(&P, C->error, C->flags)) {
+ C->error(PSI_DATA(C), NULL, 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);
+ if (!(I = psi_parser_open_file(&P, psi, true))) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to open PSI file (%s): %s",
+ psi, strerror(errno));
+ continue;
+ }
+ psi_parser_parse(&P, I);
+ psi_context_add(C, &P);
+ psi_parser_dtor(&P);
+ psi_parser_input_free(&I);
}
}
} 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 (psi_context_compile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+ C->error(PSI_DATA(C), NULL, PSI_WARNING, "Failed to register functions!");
}
free(cpy);
-
}
-zend_function_entry *PSI_ContextCompile(PSI_Context *C)
+zend_function_entry *psi_context_compile(struct psi_context *C)
{
- size_t i;
+ zend_constant zc;
+
+ ZEND_CONSTANT_SET_FLAGS(&zc, CONST_CS|CONST_PERSISTENT, EG(current_module)->module_number);
if (C->consts) {
- zend_constant zc;
+ size_t i = 0;
+ struct psi_const *c;
- zc.flags = CONST_PERSISTENT|CONST_CS;
- zc.module_number = EG(current_module)->module_number;
+ while (psi_plist_get(C->consts, i++, &c)) {
- for (i = 0; i < C->consts->count; ++i) {
- constant *c = C->consts->list[i];
+ if (zend_get_constant(c->name)) {
+ continue;
+ }
- zc.name = zend_string_init(c->name + (c->name[0] == '\\'), strlen(c->name) - (c->name[0] == '\\'), 1);
- ZVAL_NEW_STR(&zc.value, zend_string_init(c->val->text, strlen(c->val->text), 1));
+ zc.name = zend_string_copy(c->name);
switch (c->type->type) {
case PSI_T_BOOL:
- convert_to_boolean(&zc.value);
+ ZVAL_BOOL(&zc.value, c->val->ival.zend.bval);
break;
case PSI_T_INT:
- convert_to_long(&zc.value);
+ ZVAL_LONG(&zc.value, c->val->ival.zend.lval);
break;
case PSI_T_FLOAT:
- convert_to_double(&zc.value);
+ case PSI_T_DOUBLE:
+ ZVAL_DOUBLE(&zc.value, c->val->ival.dval);
+ break;
+ case PSI_T_STRING:
+ case PSI_T_QUOTED_STRING:
+ ZVAL_NEW_STR(&zc.value, zend_string_copy(c->val->ival.zend.str));
+ if (ZSTR_IS_INTERNED(Z_STR(zc.value))) {
+ Z_TYPE_FLAGS(zc.value) = 0;
+ }
+ break;
+ default:
+ assert(0);
break;
}
+
zend_register_constant(&zc);
}
}
- return C->closures = C->ops->compile(C);
-}
+ if (C->enums) {
+ size_t i = 0;
+ struct psi_decl_enum *e;
+ while (psi_plist_get(C->enums, i++, &e)) {
+ size_t j = 0;
+ struct psi_decl_enum_item *item;
-void PSI_ContextCall(PSI_Context *C, impl_val *ret_val, decl *decl)
-{
- C->ops->call(C, ret_val, decl);
-}
+ while (psi_plist_get(e->items, j++, &item)) {
+ zend_string *name;
-static inline void dump_decl_type(int fd, decl_type *t) {
- const char *pre;
+ if (psi_decl_type_is_anon(e->name, "enum")) {
+ name = strpprintf(0, "psi\\%s", item->name->val);
+ } else {
+ name = strpprintf(0, "psi\\%s\\%s", e->name->val, item->name->val);
+ }
- switch (t->type) {
- case PSI_T_STRUCT:
- pre = "struct ";
- break;
- default:
- pre = "";
- }
- dprintf(fd, "%s%s", pre, t->name);
-}
-static inline void dump_decl_var(int fd, decl_var *v) {
- dprintf(fd, "%.*s%s", v->pointer_level-!!v->array_size, "**********", v->name);
- if (v->array_size) {
- dprintf(fd, "[%u]", v->array_size);
+ if (zend_get_constant(name)) {
+ zend_string_release(name);
+ continue;
+ }
+
+ zc.name = zend_string_dup(name, 1);
+ ZVAL_LONG(&zc.value, psi_num_exp_get_long(item->num, NULL, NULL));
+ zend_register_constant(&zc);
+ zend_string_release(name);
+ }
+ }
}
+
+ return C->closures = C->ops->compile(C);
}
-static inline void dump_decl_arg(int fd, decl_arg *a) {
- dump_decl_type(fd, a->type);
- dprintf(fd, " ");
- dump_decl_var(fd, a->var);
-}
-void PSI_ContextDump(PSI_Context *C, int fd)
+
+
+ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl)
{
- size_t i, j;
+ struct psi_call_frame *frame;
-#ifdef HAVE_LIBJIT
- if (C->ops == PSI_Libjit()) {
- dprintf(fd, "#PSI(libjit)\n");
+ frame = psi_call_frame_init(C, impl->decl, impl);
+
+ if (SUCCESS != psi_call_frame_parse_args(frame, execute_data)) {
+ psi_call_frame_free(frame);
+
+ return FAILURE;
}
-#endif
-#ifdef HAVE_LIBFFI
- if (C->ops == PSI_Libffi()) {
- dprintf(fd, "#PSI(libffi)\n");
+
+ psi_call_frame_enter(frame);
+
+ if (SUCCESS != psi_call_frame_do_let(frame)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return FAILURE;
}
-#endif
- if (C->defs) for (i = 0; i < C->defs->count; ++i) {
- decl_typedef *tdef = C->defs->list[i];
+ if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_PRE)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
- dprintf(fd, "typedef ");
- dump_decl_type(fd, tdef->type);
- dprintf(fd, " %s;\n", tdef->alias);
+ return FAILURE;
}
- if (C->structs) for (i = 0; i < C->structs->count; ++i) {
- decl_struct *strct = C->structs->list[i];
- decl_arg *sarg = NULL;
-
- dprintf(fd, "struct %s::(%zu) {\n", strct->name, strct->size);
- for (j = 0; j < strct->args->count; ++j) {
- sarg = strct->args->args[j];
- dprintf(fd, "\t");
- dump_decl_arg(fd, sarg);
- dprintf(fd, "::(%zu, %zu);\n", sarg->layout->pos, sarg->layout->len);
- }
- dprintf(fd, "}\n");
+
+ C->ops->call(frame);
+
+ if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) {
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_free(frame);
+
+ return FAILURE;
}
- dprintf(fd, "\n");
+ psi_call_frame_do_return(frame, return_value);
+ psi_call_frame_do_set(frame);
+ psi_call_frame_do_free(frame);
+ psi_call_frame_free(frame);
+
+ return SUCCESS;
}
-void PSI_ContextDtor(PSI_Context *C)
+
+void psi_context_dtor(struct psi_context *C)
{
size_t i;
zend_function_entry *zfe;
C->ops->dtor(C);
}
- free_decl_libs(&C->psi.libs);
+ psi_data_dtor(PSI_DATA(C));
if (C->data) {
for (i = 0; i < C->count; ++i) {
- PSI_DataDtor(&C->data[i]);
+ psi_data_dtor(&C->data[i]);
}
free(C->data);
}
}
free(C->closures);
}
-
- if (C->consts) {
- if (C->consts->list) {
- free(C->consts->list);
- }
- free(C->consts);
- }
- if (C->defs) {
- if (C->defs->list) {
- free(C->defs->list);
- }
- free(C->defs);
- }
- if (C->structs) {
- if (C->structs->list) {
- free(C->structs->list);
- }
- free(C->structs);
- }
- if (C->decls) {
- if (C->decls->list) {
- free(C->decls->list);
- }
- free(C->decls);
- }
- if (C->impls) {
- if (C->impls->list) {
- free(C->impls->list);
- }
- free(C->impls);
- }
-
- memset(C, 0, sizeof(*C));
}
-void PSI_ContextFree(PSI_Context **C)
+void psi_context_free(struct psi_context **C)
{
if (*C) {
- PSI_ContextDtor(*C);
+ psi_context_dtor(*C);
free(*C);
*C = NULL;
}
}
+
+void psi_context_dump(struct psi_context *C, int fd)
+{
+ size_t i;
+
+ dprintf(fd, "// psi.engine=%s\n// %lu files\n",
+ (char *) C->ops->query(C, PSI_CONTEXT_QUERY_SELF, NULL),
+ C->count);
+
+ for (i = 0; i < C->count; ++i) {
+ psi_data_dump(fd, &C->data[i]);
+ }
+}
projects / m6w6 / ext-psi / blobdiff