X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=22fd915c8a73c0d81d0b49a13fdc99afee873935;hp=c3f1cb11ac5e57221909d8bc2a3301153c646a44;hb=09529efcde471127419e141807b83b37077003a0;hpb=cfebc76ed7426836f21296cca9a14b422bfa04cf diff --git a/src/context.c b/src/context.c index c3f1cb1..22fd915 100644 --- a/src/context.c +++ b/src/context.c @@ -1,89 +1,32 @@ -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif +/******************************************************************************* + Copyright (c) 2016, Michael Wallner . + 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" -#include -#ifdef HAVE_SYS_TYPES_H -# include -#endif -#ifdef HAVE_SYS_STAT_H -# include -#endif -#ifdef STDC_HEADERS -# include -# include -#else -# ifdef HAVE_STDLIB_H -# include -# endif -#endif -#ifdef HAVE_STRING_H -# if !defined STDC_HEADERS && defined HAVE_MEMORY_H -# include -# endif -# include -#endif -#ifdef HAVE_STRINGS_H -# include -#endif -#ifdef HAVE_INTTYPES_H -# include -#endif -#ifdef HAVE_STDINT_H -# include -#endif -#ifdef HAVE_UNISTD_H -# include -#endif - -#ifdef HAVE_ERRNO_H -# include -#endif -#ifdef HAVE_GLOB_H -# include -#endif -#ifdef HAVE_NETINET_IN_H -# include -#endif -#ifdef HAVE_ARPA_NAMESER_H -# include -#endif -#ifdef HAVE_NETDB_H -# include -#endif -#ifdef HAVE_RESOLV_H -# include -#endif -#ifdef HAVE_SYS_SELECT_H -# include -#endif -#ifdef HAVE_SYS_SOCKET_H -# include -#endif -#ifdef HAVE_SYS_TIME_H -# include -#endif -#ifdef HAVE_SYS_TIMES_H -# include -#endif -#ifdef HAVE_SYS_UIO_H -# include -#endif -#ifdef HAVE_SYS_UTSNAME_H -# include -#endif -#ifdef HAVE_TIME_H -# include -#endif -#ifdef HAVE_SYSLOG_H -# include -#endif -#ifdef HAVE_WCHAR_H -# include -#endif - #ifdef HAVE_DIRENT_H # include # define NAMLEN(dirent) strlen ((dirent)->d_name) @@ -101,1081 +44,122 @@ # endif #endif -#include -#include #include -#include "php.h" #include "php_scandir.h" #include "php_psi.h" - +#include "calc.h" +#include "call.h" #include "libjit.h" #include "libffi.h" -static struct psi_std_type { - token_t type_tag; - const char *type_name; -} psi_std_types[] = { - {PSI_T_FLOAT, "float"}, - {PSI_T_DOUBLE, "double"}, - {PSI_T_INT8, "int8_t"}, - {PSI_T_INT16, "int16_t"}, - {PSI_T_INT32, "int32_t"}, - {PSI_T_INT64, "int64_t"}, - {PSI_T_UINT8, "uint8_t"}, - {PSI_T_UINT16, "uint16_t"}, - {PSI_T_UINT32, "uint32_t"}, - {PSI_T_UINT64, "uint64_t"}, - {0} -}; - -static struct psi_predef_type { - token_t type_tag; - const char *type_name; - const char *alias; -} psi_predef_types[] = { - PSI_TYPES - {0} -}; - -static struct psi_predef_const { - token_t type_tag; - const char *type_name; - const char *var_name; - const char *val_text; - token_t val_type_tag; -} psi_predef_consts[] = { - PSI_CONSTS - {0} -}; - -PSI_MACROS - -struct utsname *uname2() { - struct utsname *u = calloc(1, sizeof(*u)); - uname(u); - return u; -} - -int psi_glob(const char *pattern, int flags, - int (*errfunc) (const char *epath, int eerrno), - glob_t *pglob) { - size_t offs = flags & GLOB_DOOFFS ? pglob->gl_offs : 0; - int rv = glob(pattern, flags, errfunc, pglob); - if (pglob->gl_pathv) { - while (offs--) { - pglob->gl_pathv[offs] = NULL; - } - } - return rv; -} - -static struct psi_func_redir { - const char *name; - void (*func)(void); -} psi_func_redirs[] = { - {"glob", (void (*)(void)) psi_glob}, - {"uname2", (void (*)(void)) uname2}, - PSI_REDIRS - {0} -}; - -static struct psi_predef_decl { - token_t type_tag; - const char *type_name; - const char *var_name; - size_t pointer_level; - size_t array_size; -} psi_predef_decls[] = { - PSI_DECLS - {0} -}; -static struct psi_predef_decl psi_predef_vararg_decls[] = { - PSI_VA_DECLS - {0} -}; - -static struct psi_predef_struct { - token_t type_tag; - const char *type_name; - const char *var_name; - size_t offset; - size_t size; - size_t pointer_level; - size_t array_size; -} psi_predef_structs[] = { - PSI_STRUCTS - {0} -}; - -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(NULL, PSI_WARNING, "Library name too long: '%s'", ptr); - } - lib[len] = 0; - ptr = lib; - } - if (!(*dlopened = dlopen(ptr, RTLD_LAZY|RTLD_LOCAL))) { - data->error(NULL, 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; - struct psi_std_type *stdtyp; - - if (type->real) { - return 1; - } - for (i = 0; i < defs->count; ++i) { - decl_typedef *def = defs->list[i]; - - if (def->type->type != type->type && !strcmp(def->alias, type->name)) { - type->real = def->type; - return 1; - } - } - for (stdtyp = &psi_std_types[0]; stdtyp->type_tag; ++stdtyp) { - if (!strcmp(type->name, stdtyp->type_name)) { - type->type = stdtyp->type_tag; - 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; - } - if (type->real) { - return validate_decl_type(data, type->real); - } - return 1; - 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(def->token, PSI_WARNING, - "Type '%s' cannot be aliased to %s'%s'", - def->type->name, def->type->type == PSI_T_STRUCT?"struct ":"",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(arg->type->token, PSI_WARNING, - "Cannot use '%s'(%d) as type for decl var '%s'", - arg->type->name, arg->type->type, 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; - } +#include "token.h" +#include "parser.h" - 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 "php_psi_posix.h" -static const char * const abi_ccs[] = { - "default", /* \ */ - "extern", /* > - all the same */ - "cdecl", /* / */ - "mscdecl", - "stdcall", - "fastcall", -}; -static inline int validate_decl_abi(PSI_Data *data, decl_abi *abi) { - size_t i; - - for (i = 0; i < sizeof(abi_ccs)/sizeof(char*); ++i) { - if (strcasecmp(abi->convention, abi_ccs[i])) { - return 1; - } - } - return 0; -} -static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_arg *func) +PHP_MINIT_FUNCTION(psi_context) { - struct psi_func_redir *redir; - - if (!strcmp(func->var->name, "dlsym")) { - data->error(func->token, 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; - } - for (redir = &psi_func_redirs[0]; redir->name; ++redir) { - if (!strcmp(func->var->name, redir->name)) { - decl->call.sym = redir->func; - } - } - if (!decl->call.sym) { -#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) { - data->error(func->token, 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)) { - data->error(decl->abi->token, PSI_WARNING, - "Invalid calling convention: '%s'", decl->abi->token->text); - 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_decl_var_arg(decl_var *var, decl_args *args, decl_arg *func) { - size_t i; - - for (i = 0; i < args->count; ++i) { - decl_arg *arg = args->args[i]; - - if (!strcmp(var->name, arg->var->name)) { - ZEND_ASSERT(!var->arg || var->arg == arg); - return var->arg = arg; - } - } - if (func && !strcmp(var->name, func->var->name)) { - return var->arg = func; - } - - return NULL; -} -static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) { - if (s->args) { - return locate_decl_var_arg(var, s->args, NULL); - } - - return NULL; -} -static inline constant *locate_num_exp_constant(num_exp *exp, constants *consts) { - size_t i; - - for (i = 0; i < consts->count; ++i) { - constant *cnst = consts->list[i]; - - if (!strcmp(cnst->name, exp->u.numb)) { - free(exp->u.numb); - return exp->u.cnst = cnst; - } - } - - return NULL; -} -static inline int validate_num_exp(PSI_Data *data, decl_args *dargs, decl_arg *func, num_exp *exp) { - if (exp->operand) { - switch (exp->operator) { - case PSI_T_PLUS: - exp->calculator = psi_calc_add; - break; - case PSI_T_MINUS: - exp->calculator = psi_calc_sub; - break; - case PSI_T_ASTERISK: - exp->calculator = psi_calc_mul; - break; - case PSI_T_SLASH: - exp->calculator = psi_calc_div; - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } - if (!validate_num_exp(data, dargs, func, exp->operand)) { - return 0; - } - } - switch (exp->t) { - case PSI_T_NAME: - if (!locate_decl_var_arg(exp->u.dvar, dargs, func)) { - data->error(exp->token, PSI_WARNING, "Unknown variable '%s' in numeric expression", - exp->u.dvar->name); - return 0; - } - return 1; - case PSI_T_NSNAME: - if (!locate_num_exp_constant(exp, data->consts)) { - data->error(exp->token, PSI_WARNING, "Unknown constant '%s' in numeric expression", - exp->u.numb); - return 0; - } - return 1; - case PSI_T_NUMBER: - return 1; - default: - return 0; - } -} -static inline int validate_set_value_handler(set_value *set) { - 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; - case PSI_T_TO_OBJECT: - set->func->handler = psi_to_object; - break; - case PSI_T_VOID: - set->func->handler = psi_to_void; - break; - case PSI_T_ELLIPSIS: - if (set->outer.set && set->outer.set->func->type == PSI_T_TO_ARRAY) { - set->func->handler = psi_to_recursive; - set->inner = set->outer.set->inner; - set->count = set->outer.set->count; - break; - } - /* no break */ - default: - return 0; - } - return 1; -} -static inline void decl_var_arg_v(decl_args *args, va_list argp) { - int argc; - decl_arg **argv; - - memset(args, 0, sizeof(*args)); - - while ((argc = va_arg(argp, int))) { - argv = va_arg(argp, decl_arg **); - while (argc--) { - add_decl_arg(args, *argv++); - } - } -} -static inline int validate_set_value_ex(PSI_Data *data, set_value *set, decl_arg *ref, decl_args *ref_list) { - size_t i; - decl_type *ref_type; - decl_var *set_var = set->vars->vars[0]; - - if (!validate_set_value_handler(set)) { - data->error(set->func->token, PSI_WARNING, "Invalid cast '%s' in `set` statement", set->func->name); - return 0; - } - - for (i = 0; i < set->vars->count; ++i) { - decl_var *svar = set->vars->vars[i]; - if (!svar->arg && !locate_decl_var_arg(svar, ref_list, NULL)) { - data->error(svar->token, PSI_WARNING, "Unknown variable '%s' in `set` statement", svar->name); - return 0; - } - } - - if (!ref) { - ref = set_var->arg; - } - ref_type = real_decl_type(ref->type); - - if (set->count) { - int is_to_array = (set->func->type == PSI_T_TO_ARRAY); - int is_pointer_to_struct = (ref_type->type == PSI_T_STRUCT && ref->var->pointer_level); - - if (!is_to_array && !is_pointer_to_struct) { - data->error(set->func->token, E_WARNING, "Inner `set` statement casts only work with " - "to_array() casts on structs or pointers: %s(%s...", set->func->name, set->vars->vars[0]->name); - return 0; - } - } - if (set->num) { - if (!validate_num_exp(data, ref_list, ref, set->num)) { - return 0; - } - } - - if (ref_type->type == PSI_T_STRUCT) { - /* to_array(struct, to_...) */ - if (!set->outer.set || set->outer.set->inner != set->inner) { - 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_ex(data, set->inner[i], sub_ref, ref_type->strct->args)) { - return 0; - } - } - } - } - } else if (set->count == 1) { - /* to_array(ptr, to_string(*ptr)) */ - decl_var *sub_var = set->inner[0]->vars->vars[0]; - decl_arg *sub_ref = locate_decl_var_arg(sub_var, ref_list, ref); - - if (sub_ref) { - if (strcmp(sub_var->name, set_var->name)) { - data->error(sub_var->token, E_WARNING, "Inner `set` statement casts on pointers must reference the same variable"); - return 0; - } - if (!validate_set_value_ex(data, set->inner[0], sub_ref, ref_list)) { - return 0; - } - } - } else if (set->count > 1) { - data->error(set->func->token, E_WARNING, "Inner `set` statement casts on pointers may only occur once"); - return 0; - } - return 1; -} -static inline int validate_set_value(PSI_Data *data, set_value *set, ...) { - va_list argp; - decl_args args = {0}; - int check; - - va_start(argp, set); - decl_var_arg_v(&args, argp); - va_end(argp); - - check = validate_set_value_ex(data, set, NULL, &args); - if (args.args) { - free(args.args); - } - return check; -} -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]; - } - } + if (!ops) { + php_error(E_WARNING, "No PSI engine found"); + return FAILURE; } - 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) { - if (impl->stmts->ret.count > 1) { - data->error(impl->stmts->ret.list[1]->token, 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(impl->func->token, PSI_WARNING, - "Missing `return` statement for implementation %s", - impl->func->name); - } - return 0; + PSI_G(ops) = ops; + if (ops->load && SUCCESS != ops->load()) { + return FAILURE; } - ret = impl->stmts->ret.list[0]; - - if (!(impl->decl = locate_impl_decl(data->decls, ret))) { - data->error(ret->token, PSI_WARNING, - "Missing declaration '%s' for `return` statment for implementation %s", - ret->set->vars->vars[0]->name, impl->func->name); - return 0; + if (psi_check_env("PSI_DEBUG")) { + flags |= PSI_DEBUG; } - - if (!validate_set_value(data, ret->set, 1, &ret->decl, impl->decl->args ? (int) impl->decl->args->count : 0, impl->decl->args ? impl->decl->args->args : NULL, 0)) { - return 0; + if (psi_check_env("PSI_SILENT")) { + flags |= PSI_SILENT; } - impl->decl->impl = impl; + PSI_G(context) = psi_context_init(NULL, PSI_G(ops), psi_error_wrapper, flags); + psi_context_build(PSI_G(context), PSI_G(directory)); - return 1; + return SUCCESS; } -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 decl arg for every let stmt */ - for (i = 0; i < impl->stmts->let.count; ++i) { - let_stmt *let = impl->stmts->let.list[i]; - decl_var *let_var; - int check = 0; - - if (let->val && let->val->kind == PSI_LET_TMP) { - let_var = let->val->data.var; - } else { - let_var = let->var; - } - - if (!locate_decl_var_arg(let_var, impl->decl->args, impl->decl->func)) { - data->error(let_var->token, PSI_WARNING, "Unknown variable '%s' in `let` statement" - " of implementation '%s'", let_var->name, impl->func->name); - return 0; - } - - switch (let->val->kind) { - case PSI_LET_NULL: - break; - case PSI_LET_TMP: - /* e.g. let bar = &strval($bar); // decl_arg(char **bar) */ - /* e.g. let foo = *bar; */ - let->var->pointer_level = let->val->data.var->pointer_level; - let->var->arg = init_decl_arg( - init_decl_type( - real_decl_type(let->val->data.var->arg->type)->type, - real_decl_type(let->val->data.var->arg->type)->name), - init_decl_var( - let->var->name, - let->var->pointer_level, - let->var->array_size)); - break; - case PSI_LET_NUMEXP: - if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.num)) { - return 0; - } - break; - case PSI_LET_CALLOC: - if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.alloc->nmemb)) { - return 0; - } - if (!validate_num_exp(data, impl->decl->args, impl->decl->func, let->val->data.alloc->size)) { - return 0; - } - break; - case PSI_LET_FUNC: - if (impl->func->args) { - for (j = 0; j < impl->func->args->count; ++j) { - impl_arg *iarg = impl->func->args->args[j]; - - if (!strcmp(let->val->data.func->var->name, iarg->var->name)) { - let->val->data.func->arg = iarg; - check = 1; - break; - } - } - } - if (!check) { - data->error(let->var->token, PSI_WARNING, "Unknown value '$%s' of `let` statement" - " for variable '%s' of implementation '%s'", - let->val->data.func->var->name, let->var->name, impl->func->name); - return 0; - } - break; - } - } - - /* 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(impl->func->token, 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; - } - } - - 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(set->var->token, PSI_WARNING, "Unknown variable '$%s' of `set` statement" - " of implementation '%s'", - set->var->name, impl->func->name); - return 0; - } - - for (j = 0; j < set->val->vars->count; ++j) { - decl_var *set_var = set->val->vars->vars[j]; - - check = 0; - if (impl->decl->args) { - for (k = 0; k < impl->decl->args->count; ++k) { - decl_arg *set_arg = impl->decl->args->args[k]; - - if (!strcmp(set_var->name, set_arg->var->name)) { - check = 1; - set_var->arg = set_arg; - if (!validate_set_value(data, set->val, 1, &set_arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) { - return 0; - } - break; - } - } - } - if (!check) { - for (k = 0; k < impl->stmts->let.count; ++k) { - let_stmt *let = impl->stmts->let.list[k]; - - /* check temp vars */ - if (let->val && let->val->kind == PSI_LET_TMP) { - if (!strcmp(set_var->name, let->var->name)) { - check = 1; - set_var->arg = let->var->arg; - if (!validate_set_value(data, set->val, 1, &set_var->arg, 1, &impl->decl->func, impl->decl->args->count, impl->decl->args->args, 0)) { - return 0; - } - break; - } - } - } - } - - if (!check) { - data->error(set_var->token, PSI_WARNING, "Unknown value '%s' of `set` statement" - " for variable '$%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(free_call->token, PSI_WARNING, - "Missing declaration '%s' in `free` statement" - " of implementation '%s'", - free_call->func, impl->func->name); - return 0; - } - - - - /* 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]; - - if (!strcmp(free_var->name, impl->decl->func->var->name)) { - check = 1; - free_var->arg = impl->decl->func; - } else 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; - } - } - } - - if (!check) { - data->error(free_var->token, 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(impl->func->token, 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; - PSI_Data T; - struct psi_predef_type *predef_type; - struct psi_predef_const *predef_const; - struct psi_predef_struct *predef_struct; - struct psi_predef_decl *predef_decl; - 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 (predef_type = &psi_predef_types[0]; predef_type->type_tag; ++predef_type) { - decl_type *type = init_decl_type(predef_type->type_tag, predef_type->type_name); - decl_typedef *def = init_decl_typedef(predef_type->alias, type); - - T.defs = add_decl_typedef(T.defs, def); - } - for (predef_const = &psi_predef_consts[0]; predef_const->type_tag; ++predef_const) { - impl_def_val *val = init_impl_def_val(predef_const->val_type_tag, predef_const->val_text); - const_type *type = init_const_type(predef_const->type_tag, predef_const->type_name); - constant *constant = init_constant(type, predef_const->var_name, val); - - T.consts = add_constant(T.consts, constant); - } - for (predef_struct = &psi_predef_structs[0]; predef_struct->type_tag; ++predef_struct) { - struct psi_predef_struct *member; - decl_args *dargs = init_decl_args(NULL); - decl_struct *dstruct = init_decl_struct(predef_struct->var_name, dargs); - - dstruct->size = predef_struct->size; - for (member = &predef_struct[1]; member->type_tag; ++member) { - decl_type *type; - decl_var *dvar; - decl_arg *darg; - - type = init_decl_type(member->type_tag, member->type_name); - dvar = init_decl_var(member->var_name, member->pointer_level, member->array_size); - darg = init_decl_arg(type, dvar); - darg->layout = init_decl_struct_layout(member->offset, member->size); - dargs = add_decl_arg(dargs, darg); - } - - T.structs = add_decl_struct(T.structs, dstruct); - predef_struct = member; - } - for (predef_decl = &psi_predef_decls[0]; predef_decl->type_tag; ++predef_decl) { - struct psi_predef_decl *farg; - decl_type *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name); - decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size); - decl_arg *func = init_decl_arg(ftype, fname); - decl_args *args = init_decl_args(NULL); - decl *decl = init_decl(init_decl_abi("default"), func, args); - - for (farg = &predef_decl[1]; farg->type_tag; ++farg) { - decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name); - decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size); - decl_arg *darg = init_decl_arg(arg_type, arg_var); - args = add_decl_arg(args, darg); - } - - T.decls = add_decl(T.decls, decl); - predef_decl = farg; - } - - for (predef_decl = &psi_predef_vararg_decls[0]; predef_decl->type_tag; ++predef_decl) { - struct psi_predef_decl *farg; - decl_type *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name); - decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size); - decl_arg *func = init_decl_arg(ftype, fname); - decl_args *args = init_decl_args(NULL); - decl *decl = init_decl(init_decl_abi("default"), func, args); - - for (farg = &predef_decl[1]; farg->type_tag; ++farg) { - decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name); - decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size); - decl_arg *darg = init_decl_arg(arg_type, arg_var); - args = add_decl_arg(args, darg); - } - args->varargs = 1; - - T.decls = add_decl(T.decls, decl); - predef_decl = farg; - } - - for (i = 0; i < T.defs->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 < T.consts->count; ++i) { - constant *constant = T.consts->list[i]; - - if (validate_constant(&T, constant)) { - C->consts = add_constant(C->consts, constant); - } - } - - for (i = 0; i < T.structs->count; ++i) { - decl_struct *dstruct = T.structs->list[i]; - - if (validate_decl_struct(&T, dstruct)) { - C->structs = add_decl_struct(C->structs, dstruct); - } - } - - for (i = 0; i < T.decls->count; ++i) { - decl *decl = T.decls->list[i]; - - if (validate_decl(&T, NULL, decl)) { - C->decls = add_decl(C->decls, decl); - } - } - - 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 = psi_check_env("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, ':'); @@ -1184,33 +168,33 @@ void PSI_ContextBuild(PSI_Context *C, const char *paths) *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(NULL, 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(NULL, 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 (0 < PSI_ParserScan(&P)) { - PSI_ParserParse(&P, PSI_TokenAlloc(&P)); - if (P.num == PSI_T_EOF) { - break; - } + 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_ParserParse(&P, NULL); - PSI_ContextValidate(C, &P); - PSI_ParserDtor(&P); + psi_parser_parse(&P, I); + psi_context_add(C, &P); + psi_parser_dtor(&P); + psi_parser_input_free(&I); } } @@ -1225,331 +209,139 @@ void PSI_ContextBuild(PSI_Context *C, const char *paths) } while (sep); - if (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) { - C->error(NULL, 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, decl_callinfo *decl_call, impl_vararg *va) -{ - C->ops->call(C, decl_call, va); -} + 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); - } -} -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); -} -static inline void dump_level(int fd, unsigned level) { - dprintf(fd, "%.*s", level, "\t\t\t\t\t\t\t\t\t"); -} -static inline void dump_num_exp(int fd, num_exp *exp) { - while (exp) { - switch (exp->t) { - case PSI_T_NUMBER: - dprintf(fd, "%s", exp->u.numb); - break; - case PSI_T_NSNAME: - dprintf(fd, "%s", exp->u.cnst->name); - break; - case PSI_T_NAME: - dump_decl_var(fd, exp->u.dvar); - break; - EMPTY_SWITCH_DEFAULT_CASE(); - } - if (exp->operand) { - char op; - - switch (exp->operator) { - case PSI_T_PLUS: op = '+'; break; - case PSI_T_MINUS: op = '-'; break; - case PSI_T_ASTERISK:op = '*'; break; - case PSI_T_SLASH: op = '/'; break; - EMPTY_SWITCH_DEFAULT_CASE(); + 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); } - dprintf(fd, " %c ", op); } - exp = exp->operand; } + + return C->closures = C->ops->compile(C); } -static inline void dump_impl_set_value(int fd, set_value *set, unsigned level) { - size_t i; - if (level > 1) { - /* only if not directly after `set ...` */ - dump_level(fd, level); - } +ZEND_RESULT_CODE psi_context_call(struct psi_context *C, zend_execute_data *execute_data, zval *return_value, struct psi_impl *impl) +{ + struct psi_call_frame *frame; - if (set->func->type == PSI_T_ELLIPSIS) { - dprintf(fd, "%s(", set->outer.set->func->name); - } else { - dprintf(fd, "%s(", set->func->name); - } + frame = psi_call_frame_init(C, impl->decl, impl); - for (i = 0; i < set->vars->count; ++i) { - decl_var *svar = set->vars->vars[i]; - if (i) { - dprintf(fd, ", "); - } - dump_decl_var(fd, svar); - } + if (SUCCESS != psi_call_frame_parse_args(frame, execute_data)) { + psi_call_frame_free(frame); - if (set->func->type == PSI_T_ELLIPSIS) { - dprintf(fd, ", ..."); - } - if (set->num) { - dprintf(fd, ", "); - dump_num_exp(fd, set->num); - } - if (set->inner) { - dprintf(fd, ",\n"); - for (i = 0; i < set->count; ++i) { - dump_impl_set_value(fd, set->inner[i], level+1); - } - /* only if inner stmts, i.e. with new lines, were dumped */ - dump_level(fd, level); + return FAILURE; } - if (level > 1) { - dprintf(fd, "),\n"); - } else { - dprintf(fd, ");\n"); - } -} -void PSI_ContextDump(PSI_Context *C, int fd) -{ - size_t i, j, k, l; -#ifdef HAVE_LIBJIT - if (C->ops == PSI_Libjit()) { - dprintf(fd, "// psi.engine=jit\n"); - } -#endif -#ifdef HAVE_LIBFFI - if (C->ops == PSI_Libffi()) { - dprintf(fd, "// psi.engine=ffi\n"); - } -#endif - dprintf(fd, "\n"); + psi_call_frame_enter(frame); - if (C->defs) { - for (i = 0; i < C->defs->count; ++i) { - decl_typedef *tdef = C->defs->list[i]; + if (SUCCESS != psi_call_frame_do_let(frame)) { + 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); - } - dprintf(fd, "\n"); + return FAILURE; } - if (C->structs) { - for (i = 0; i < C->structs->count; ++i) { - decl_struct *strct = C->structs->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, "struct %s::(%zu) {\n", strct->name, strct->size); - if (strct->args) for (j = 0; j < strct->args->count; ++j) { - decl_arg *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"); - } - dprintf(fd, "\n"); + return FAILURE; } - if (C->consts) { - for (i = 0; i < C->consts->count; ++i) { - constant *cnst = C->consts->list[i]; - - dprintf(fd, "const %s %s = ", cnst->type->name, cnst->name); - if (cnst->val->type == PSI_T_QUOTED_STRING) { - dprintf(fd, "\"%s\";\n", cnst->val->text); - } else { - dprintf(fd, "%s;\n", cnst->val->text); - } - } - dprintf(fd, "\n"); - } - if (C->decls) { - for (i = 0; i < C->decls->count; ++i) { - decl *decl = C->decls->list[i]; - - dprintf(fd, "%s ", decl->abi->convention); - dump_decl_arg(fd, decl->func); - dprintf(fd, "("); - if (decl->args) { - for (j = 0; j < decl->args->count; ++j) { - if (j) { - dprintf(fd, ", "); - } - dump_decl_arg(fd, decl->args->args[j]); - } - if (decl->args->varargs) { - dprintf(fd, ", ..."); - } - } - dprintf(fd, ");\n"); - } - dprintf(fd, "\n"); - } - if (C->impls) { - for (i = 0; i < C->impls->count; ++i) { - impl *impl = C->impls->list[i]; - - dprintf(fd, "function %s(", impl->func->name); - if (impl->func->args) { - for (j = 0; j < impl->func->args->count; ++j) { - impl_arg *iarg = impl->func->args->args[j]; - - dprintf(fd, "%s%s %s$%s", - j ? ", " : "", - iarg->type->name, - iarg->var->reference ? "&" : "", - iarg->var->name); - if (iarg->def) { - dprintf(fd, " = %s", iarg->def->text); - } - } - if (impl->func->args->vararg.name) { - impl_arg *vararg = impl->func->args->vararg.name; - dprintf(fd, ", %s %s...$%s", - vararg->type->name, - vararg->var->reference ? "&" : "", - vararg->var->name); - } - } - dprintf(fd, ") : %s%s {\n", - impl->func->return_reference ? "&":"", - impl->func->return_type->name); - if (impl->stmts) { - for (j = 0; j < impl->stmts->let.count; ++j) { - let_stmt *let = impl->stmts->let.list[j]; - - dprintf(fd, "\tlet %s", let->var->name); - if (let->val) { - dprintf(fd, " = %s", let->val->flags.one.is_reference ? "&" : ""); - switch (let->val->kind) { - case PSI_LET_NULL: - dprintf(fd, "NULL"); - break; - case PSI_LET_TMP: - dump_decl_var(fd, let->val->data.var); - break; - case PSI_LET_CALLOC: - dprintf(fd, "calloc("); - dump_num_exp(fd, let->val->data.alloc->nmemb); - dprintf(fd, ", "); - dump_num_exp(fd, let->val->data.alloc->size); - dprintf(fd, ")"); - break; - case PSI_LET_FUNC: - dprintf(fd, "%s($%s)", let->val->data.func->name, - let->val->data.func->var->name); - break; - - EMPTY_SWITCH_DEFAULT_CASE(); - } - dprintf(fd, ";\n"); - } - } - for (j = 0; j < impl->stmts->ret.count; ++j) { - return_stmt *ret = impl->stmts->ret.list[j]; + C->ops->call(frame); - dprintf(fd, "\treturn "); - dump_impl_set_value(fd, ret->set, 1); - } - for (j = 0; j < impl->stmts->set.count; ++j) { - set_stmt *set = impl->stmts->set.list[j]; + if (SUCCESS != psi_call_frame_do_assert(frame, PSI_ASSERT_POST)) { + psi_call_frame_do_return(frame, return_value); + psi_call_frame_free(frame); - dprintf(fd, "\tset $%s = ", set->var->name); - dump_impl_set_value(fd, set->val, 1); - } - for (j = 0; j < impl->stmts->fre.count; ++j) { - free_stmt *fre = impl->stmts->fre.list[j]; - - dprintf(fd, "\tfree "); - for (k = 0; k < fre->calls->count; ++k) { - free_call *call = fre->calls->list[k]; - - if (k) { - dprintf(fd, ", "); - } - dprintf(fd, "%s(", call->func); - for (l = 0; l < call->vars->count; ++l) { - decl_var *fvar = call->vars->vars[l]; - - dump_decl_var(fd, fvar); - } - dprintf(fd, ");\n"); - } - } - } - dprintf(fd, "}\n"); - } - dprintf(fd, "\n"); + return FAILURE; } + + 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; @@ -1558,11 +350,11 @@ void PSI_ContextDtor(PSI_Context *C) 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); } @@ -1573,46 +365,26 @@ void PSI_ContextDtor(PSI_Context *C) } 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]); + } +}