better errors
[m6w6/ext-psi] / src / module.c
index ba3e4d5a98d5af9478ae3fa172d5a482c7f72d58..39d12917a0c3a183f342eeb3ccbbbb75457b7a18 100644 (file)
@@ -33,16 +33,25 @@ PHP_INI_END();
 static zend_object_handlers psi_object_handlers;
 static zend_class_entry *psi_class_entry;
 
-void psi_error(int type, const char *msg, ...)
+void psi_error_wrapper(PSI_Token *t, int type, const char *msg, ...)
 {
-       char buf[0x1000];
        va_list argv;
 
        va_start(argv, msg);
-       vslprintf(buf, 0x1000, msg, argv);
+       psi_verror(type, t?t->file:"Unknown", t?*t->line:0, 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);
+}
+void psi_verror(int type, const char *fn, unsigned ln, const char *msg, va_list argv)
+{
+       zend_error_cb(type, fn, ln, msg, argv);
 }
 
 size_t psi_t_alignment(token_t t)
@@ -122,7 +131,7 @@ zend_internal_arg_info *psi_internal_arginfo(impl *impl)
        zend_internal_arg_info *aip;
        zend_internal_function_info *fi;
 
-       aip = calloc(impl->func->args->count + 1 + !!impl->func->args->vararg, sizeof(*aip));
+       aip = calloc(impl->func->args->count + 1 + !!impl->func->args->vararg.name, sizeof(*aip));
 
        fi = (zend_internal_function_info *) &aip[0];
        fi->allow_null = 1;
@@ -130,8 +139,8 @@ zend_internal_arg_info *psi_internal_arginfo(impl *impl)
        fi->return_reference = impl->func->return_reference;
        fi->type_hint = psi_internal_type(impl->func->return_type);
 
-       if (impl->func->args->vararg) {
-               impl_arg *vararg = impl->func->args->vararg;
+       if (impl->func->args->vararg.name) {
+               impl_arg *vararg = impl->func->args->vararg.name;
                zend_internal_arg_info *ai = &aip[impl->func->args->count];
 
                ai->name = vararg->var->name;
@@ -476,7 +485,6 @@ void psi_to_object(zval *return_value, set_value *set, impl_val *r_val)
 static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, impl *impl)
 {
        size_t i;
-       zval *zarg = ZEND_CALL_ARG(execute_data, 0);
        impl_arg *iarg;
        zend_error_handling zeh;
 
@@ -490,11 +498,26 @@ static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, i
                return rv;
        }
 
-       ZEND_PARSE_PARAMETERS_START(psi_num_min_args(impl), impl->func->args->vararg ? -1 : impl->func->args->count)
+       ZEND_PARSE_PARAMETERS_START(psi_num_min_args(impl), impl->func->args->vararg.name ? -1 : impl->func->args->count)
        nextarg:
-               iarg = impl->func->args->args[_i];
-               if (iarg->def) {
+               if (impl->func->args->vararg.name && _i >= impl->func->args->count) {
+                       impl_arg *varg = impl->func->args->vararg.name;
+                       iarg = init_impl_arg(
+                                       init_impl_type(varg->type->type, varg->type->name),
+                                       init_impl_var(varg->var->name, varg->var->reference),
+                                       NULL);
+
                        Z_PARAM_OPTIONAL;
+                       if (_i == impl->func->args->count) {
+                               impl->func->args->vararg.args = init_impl_args(iarg);
+                       } else {
+                               add_impl_arg(impl->func->args->vararg.args, iarg);
+                       }
+               } else {
+                       iarg = impl->func->args->args[_i];
+                       if (iarg->def) {
+                               Z_PARAM_OPTIONAL;
+                       }
                }
                if (PSI_T_BOOL == iarg->type->type) {
                        Z_PARAM_BOOL(iarg->val.zend.bval);
@@ -511,24 +534,14 @@ static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, i
                        Z_PARAM_PROLOGUE(0);
                } else if (PSI_T_OBJECT == iarg->type->type) {
                        Z_PARAM_PROLOGUE(0);
+               } else if (PSI_T_MIXED == iarg->type->type) {
+                       Z_PARAM_PROLOGUE(0);
                } else {
                        error_code = ZPP_ERROR_FAILURE;
                        break;
                }
-               if (impl->func->args->vararg) {
-                       iarg = impl->func->args->vararg;
-
-                       if (_i == impl->func->args->count) {
-                               zval *ptr = iarg->_zv = calloc(_num_args - _i + 1, sizeof(zval));
-
-                               _optional = 1;
-                               while (_i < _num_args) {
-                                       Z_PARAM_PROLOGUE(0);
-                                       ZVAL_COPY_VALUE(ptr++, _arg);
-                               }
-                               break;
-                       }
-               }
+               iarg->_zv = _arg;
+               ZVAL_DEREF(iarg->_zv);
                if (_i < _num_args) {
                        goto nextarg;
                }
@@ -539,12 +552,9 @@ static inline ZEND_RESULT_CODE psi_parse_args(zend_execute_data *execute_data, i
 
        /* set up defaults */
        for (i = 0; i < impl->func->args->count; ++i) {
-               iarg = impl->func->args->args[i];
+               if (i >= EX_NUM_ARGS() && iarg->def) {
+                       iarg = impl->func->args->args[i];
 
-               if (i < EX_NUM_ARGS()) {
-                       iarg->_zv = ++zarg;
-                       ZVAL_DEREF(iarg->_zv);
-               } else if (iarg->def) {
                        switch (iarg->type->type) {
                        case PSI_T_BOOL:
                                iarg->val.zend.bval = iarg->def->type == PSI_T_TRUE ? 1 : 0;
@@ -576,6 +586,88 @@ static inline void *psi_do_calloc(let_calloc *alloc)
        return mem;
 }
 
+static inline ZEND_RESULT_CODE psi_let_val(token_t let_func, impl_arg *iarg, impl_val *arg_val, decl_struct *strct, void **to_free)
+{
+       switch (let_func) {
+       case PSI_T_BOOLVAL:
+               if (iarg->type->type == PSI_T_BOOL) {
+                       arg_val->cval = iarg->val.zend.bval;
+               } else {
+                       arg_val->cval = zend_is_true(iarg->_zv);
+               }
+               break;
+       case PSI_T_INTVAL:
+               if (iarg->type->type == PSI_T_INT) {
+                       arg_val->lval = iarg->val.zend.lval;
+               } else {
+                       arg_val->lval = zval_get_long(iarg->_zv);
+               }
+               break;
+       case PSI_T_FLOATVAL:
+               if (iarg->type->type == PSI_T_FLOAT || iarg->type->type == PSI_T_DOUBLE) {
+                       arg_val->dval = iarg->val.dval;
+               } else {
+                       arg_val->dval = zval_get_double(iarg->_zv);
+               }
+               break;
+       case PSI_T_PATHVAL:
+       case PSI_T_STRVAL:
+               if (iarg->type->type == PSI_T_STRING) {
+                       if (iarg->val.zend.str) {
+                               arg_val->ptr = estrdup(iarg->val.zend.str->val);
+                               *to_free = arg_val->ptr;
+                       } else {
+                               arg_val->ptr = "";
+                       }
+               } else {
+                       zend_string *zs = zval_get_string(iarg->_zv);
+                       arg_val->ptr = estrdup(zs->val);
+                       *to_free = arg_val->ptr;
+                       zend_string_release(zs);
+               }
+               if (PSI_T_PATHVAL == let_func) {
+                       if (SUCCESS != php_check_open_basedir(arg_val->ptr)) {
+                               efree(arg_val->ptr);
+                               return FAILURE;
+                       }
+               }
+               break;
+       case PSI_T_STRLEN:
+               if (iarg->type->type == PSI_T_STRING) {
+                       if (iarg->val.zend.str) {
+                               arg_val->lval = iarg->val.zend.str->len;
+                       } else {
+                               arg_val->lval = 0;
+                       }
+               } else {
+                       zend_string *zs = zval_get_string(iarg->_zv);
+                       arg_val->lval = zs->len;
+                       zend_string_release(zs);
+               }
+               break;
+       case PSI_T_ARRVAL:
+               if (iarg->type->type == PSI_T_ARRAY) {
+                       arg_val->ptr = psi_array_to_struct(strct, HASH_OF(iarg->_zv));
+                       *to_free = arg_val->ptr;
+               }
+               break;
+       case PSI_T_OBJVAL:
+               if (iarg->type->type == PSI_T_OBJECT) {
+                       psi_object *obj;
+
+                       if (!instanceof_function(Z_OBJCE_P(iarg->_zv), psi_class_entry)) {
+                               return FAILURE;
+                       }
+
+                       obj = PSI_OBJ(iarg->_zv, NULL);
+                       arg_val->ptr = obj->data;
+               }
+               break;
+       EMPTY_SWITCH_DEFAULT_CASE();
+       }
+       return SUCCESS;
+}
+
 static inline void *psi_do_let(let_stmt *let)
 {
        decl_arg *darg = let->var->arg;
@@ -604,81 +696,8 @@ static inline void *psi_do_let(let_stmt *let)
        case PSI_LET_FUNC:
                iarg = let->val->data.func->arg;
 
-               switch (let->val->data.func->type) {
-               case PSI_T_BOOLVAL:
-                       if (iarg->type->type == PSI_T_BOOL) {
-                               arg_val->cval = iarg->val.zend.bval;
-                       } else {
-                               arg_val->cval = zend_is_true(iarg->_zv);
-                       }
-                       break;
-               case PSI_T_INTVAL:
-                       if (iarg->type->type == PSI_T_INT) {
-                               arg_val->lval = iarg->val.zend.lval;
-                       } else {
-                               arg_val->lval = zval_get_long(iarg->_zv);
-                       }
-                       break;
-               case PSI_T_PATHVAL:
-               case PSI_T_STRVAL:
-                       if (iarg->type->type == PSI_T_STRING) {
-                               if (iarg->val.zend.str) {
-                                       arg_val->ptr = estrdup(iarg->val.zend.str->val);
-                                       darg->mem = arg_val->ptr;
-                               } else {
-                                       arg_val->ptr = "";
-                               }
-                       } else {
-                               zend_string *zs = zval_get_string(iarg->_zv);
-                               arg_val->ptr = estrdup(zs->val);
-                               darg->mem = arg_val->ptr;
-                               zend_string_release(zs);
-                       }
-                       if (PSI_T_PATHVAL == darg->let->val->data.func->type) {
-                               if (SUCCESS != php_check_open_basedir(arg_val->ptr)) {
-                                       efree(arg_val->ptr);
-                                       return NULL;
-                               }
-                       }
-                       break;
-               case PSI_T_STRLEN:
-                       if (iarg->type->type == PSI_T_STRING) {
-                               if (iarg->val.zend.str) {
-                                       arg_val->lval = iarg->val.zend.str->len;
-                               } else {
-                                       arg_val->lval = 0;
-                               }
-                       } else {
-                               zend_string *zs = zval_get_string(iarg->_zv);
-                               arg_val->lval = zs->len;
-                               zend_string_release(zs);
-                       }
-                       break;
-               case PSI_T_ARRVAL:
-                       if (iarg->type->type == PSI_T_ARRAY) {
-                               decl_type *type = real_decl_type(darg->type);
-
-                               switch (type->type) {
-                               case PSI_T_STRUCT:
-                                       arg_val->ptr = psi_array_to_struct(type->strct, HASH_OF(iarg->_zv));
-                                       darg->mem = arg_val->ptr;
-                                       break;
-                               }
-                       }
-                       break;
-               case PSI_T_OBJVAL:
-                       if (iarg->type->type == PSI_T_OBJECT) {
-                               psi_object *obj;
-
-                               if (!instanceof_function(Z_OBJCE_P(iarg->_zv), psi_class_entry)) {
-                                       return NULL;
-                               }
-
-                               obj = PSI_OBJ(iarg->_zv, NULL);
-                               arg_val->ptr = obj->data;
-                       }
-                       break;
-               EMPTY_SWITCH_DEFAULT_CASE();
+               if (SUCCESS != psi_let_val(let->val->data.func->type, iarg, darg->ptr, real_decl_type(darg->type)->strct, &darg->mem)) {
+                       return NULL;
                }
        }
 
@@ -715,7 +734,7 @@ static inline void psi_do_free(free_stmt *fre)
                }
 
                /* FIXME: check in validate_* that free functions return scalar */
-               PSI_ContextCall(&PSI_G(context), &f->decl->call);
+               PSI_ContextCall(&PSI_G(context), &f->decl->call, NULL);
        }
 }
 
@@ -752,6 +771,29 @@ static inline void psi_do_clean(impl *impl)
                        darg->mem = NULL;
                }
        }
+
+       if (impl->func->args->vararg.args) {
+               free_impl_args(impl->func->args->vararg.args);
+               impl->func->args->vararg.args = NULL;
+       }
+       if (impl->func->args->vararg.types) {
+               efree(impl->func->args->vararg.types);
+               impl->func->args->vararg.types = NULL;
+       }
+       if (impl->func->args->vararg.values) {
+               efree(impl->func->args->vararg.values);
+               impl->func->args->vararg.values = NULL;
+       }
+       if (impl->func->args->vararg.free_list) {
+               void **list = impl->func->args->vararg.free_list;
+
+               while (*list) {
+                       efree(*list++);
+               }
+
+               efree(impl->func->args->vararg.free_list);
+               impl->func->args->vararg.free_list = NULL;
+       }
 }
 
 static inline int psi_calc_num_exp_value(num_exp *exp, impl_val *strct, impl_val *res) {
@@ -980,13 +1022,72 @@ PSI_CALC_FN(sub)
 #define PSI_CALC(var1, var2) (var1) / (var2)
 PSI_CALC_FN(div)
 
+static inline void psi_do_args(impl *impl) {
+       size_t i;
+
+       for (i = 0; i < impl->decl->args->count; ++i) {
+               impl->decl->call.args[i] = impl->decl->args->args[i]->let->ptr;
+       }
+}
+
+static inline impl_vararg *psi_do_varargs(impl *impl) {
+       size_t i, j;
+       impl_vararg *va = &impl->func->args->vararg;
+       size_t vacount = va->args->count;
+
+
+       if (!vacount) {
+               return NULL;
+       }
+
+       va->types = ecalloc(vacount, sizeof(*va->types));
+       va->values = ecalloc(vacount, sizeof(*va->values));
+
+       for (i = 0, j = 0; i < vacount; ++i) {
+               impl_arg *vaarg = va->args->args[i];
+               void *to_free = NULL;
+               token_t let_fn, vatype = va->name->type->type;
+
+               if (vatype == PSI_T_MIXED) {
+                       switch (Z_TYPE_P(vaarg->_zv)) {
+                       case IS_TRUE:
+                       case IS_FALSE:  vatype = PSI_T_BOOL;    break;
+                       case IS_LONG:   vatype = PSI_T_INT;             break;
+                       case IS_DOUBLE: vatype = PSI_T_FLOAT;   break;
+                       default:                vatype = PSI_T_STRING;  break;
+                       }
+               }
+
+
+               switch (vatype) {
+               case PSI_T_BOOL:        let_fn = PSI_T_BOOLVAL; break;
+               case PSI_T_INT:         let_fn = PSI_T_INTVAL;  break;
+               case PSI_T_FLOAT:
+               case PSI_T_DOUBLE:      let_fn = PSI_T_FLOATVAL;break;
+               case PSI_T_STRING:      let_fn = PSI_T_STRVAL;  break;
+               EMPTY_SWITCH_DEFAULT_CASE();
+               }
+
+               va->types[i] = vatype;
+               psi_let_val(let_fn, vaarg, &va->values[i], NULL, &to_free);
+
+               if (to_free) {
+                       if (!va->free_list) {
+                               va->free_list = ecalloc(vacount - i + 1, sizeof(*va->free_list));
+                       }
+                       va->free_list[j++] = to_free;
+               }
+       }
+
+       return va;
+}
+
 void psi_call(zend_execute_data *execute_data, zval *return_value, impl *impl)
 {
        size_t i;
-       return_stmt *ret = impl->stmts->ret.list[0];
-       decl_var *var = ret->set->vars->vars[0];
+       impl_vararg *va = NULL;
 
-       memset(var->arg->ptr, 0, sizeof(impl_val));
+       memset(impl->decl->func->ptr, 0, sizeof(impl_val));
 
        if (SUCCESS != psi_parse_args(execute_data, impl)) {
                return;
@@ -996,18 +1097,22 @@ void psi_call(zend_execute_data *execute_data, zval *return_value, impl *impl)
                let_stmt *let = impl->stmts->let.list[i];
 
                if (!psi_do_let(let)) {
-                       psi_do_return(return_value, ret);
+                       psi_do_return(return_value, impl->stmts->ret.list[0]);
                        psi_do_clean(impl);
                        return;
                }
        }
 
-       if (impl->decl->args) for (i = 0; i < impl->decl->args->count; ++i) {
-               impl->decl->call.args[i] = impl->decl->args->args[i]->let->ptr;
+       if (impl->decl->args) {
+               psi_do_args(impl);
+
+               if (impl->func->args->vararg.args) {
+                       va = psi_do_varargs(impl);
+               }
        }
 
-       PSI_ContextCall(&PSI_G(context), &impl->decl->call);
-       psi_do_return(return_value, ret);
+       PSI_ContextCall(&PSI_G(context), &impl->decl->call, va);
+       psi_do_return(return_value, impl->stmts->ret.list[0]);
 
        for (i = 0; i < impl->stmts->set.count; ++i) {
                set_stmt *set = impl->stmts->set.list[i];
@@ -1076,7 +1181,7 @@ PHP_MINIT_FUNCTION(psi)
                return FAILURE;
        }
 
-       PSI_ContextInit(&PSI_G(context), ops, psi_error);
+       PSI_ContextInit(&PSI_G(context), ops, psi_error_wrapper);
        PSI_ContextBuild(&PSI_G(context), PSI_G(directory));
 
        if (psi_check_env("PSI_DUMP")) {