X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Ftypes%2Fdecl_args.c;fp=src%2Ftypes%2Fdecl_args.c;h=46c0d2504629b843b7a5fdc6b467632bcc7665a3;hb=2f5af21b263403997e154658635d6b6e6eaab453;hp=0000000000000000000000000000000000000000;hpb=898c6dac30d12d7fe56662d66a8e73c340926d64;p=m6w6%2Fext-psi diff --git a/src/types/decl_args.c b/src/types/decl_args.c new file mode 100644 index 0000000..46c0d25 --- /dev/null +++ b/src/types/decl_args.c @@ -0,0 +1,199 @@ +/******************************************************************************* + 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. +*******************************************************************************/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#else +# include "php_config.h" +#endif + +#include +#include + +#include "data.h" + +decl_args *init_decl_args(decl_arg *arg) { + decl_args *args = calloc(1, sizeof(*args)); + if (arg) { + args->count = 1; + args->args = calloc(1, sizeof(*args->args)); + args->args[0] = arg; + } + return args; +} + +decl_args *add_decl_arg(decl_args *args, decl_arg *arg) { + args->args = realloc(args->args, ++args->count * sizeof(*args->args)); + args->args[args->count - 1] = arg; + return args; +} + +void free_decl_args(decl_args *args) { + size_t i; + for (i = 0; i < args->count; ++i) { + free_decl_arg(args->args[i]); + } + free(args->args); + free(args); +} + +void dump_decl_args(int fd, decl_args *args, unsigned level) { + size_t i; + + for (i = 0; i < args->count; ++i) { + if (i) { + dprintf(fd, ", "); + } + dump_decl_arg(fd, args->args[i], level); + } + if (args->varargs) { + dprintf(fd, ", ..."); + } +} + +void dump_decl_args_with_layout(int fd, decl_args *args, unsigned level) { + size_t j; + + dprintf(fd, " {\n"); + if (args) { + ++level; + for (j = 0; j < args->count; ++j) { + decl_arg *sarg = args->args[j]; + + dprintf(fd, "%s", psi_t_indent(level)); + dump_decl_arg(fd, sarg, level); + dprintf(fd, "::(%zu, %zu);\n", sarg->layout->pos, sarg->layout->len); + } + --level; + } + dprintf(fd, "%s", psi_t_indent(level)); + dprintf(fd, "}"); +} + +decl_arg *locate_decl_arg(decl_args *args, const char *name) { + size_t i; + + if (args) for (i = 0; i < args->count; ++i) { + decl_arg *arg = args->args[i]; + + if (!strcmp(name, arg->var->name)) { + return arg; + } + } + + return NULL; +} + +size_t alignof_decl_args(decl_args *args) { + size_t i, maxalign = 0; + + for (i = 0; i < args->count; ++i) { + decl_arg *darg = args->args[i]; + size_t align = alignof_decl_arg(darg); + + if (align > maxalign) { + maxalign = align; + } + } + + return maxalign; +} + +int validate_decl_arg_args(struct psi_data *data, decl_arg *darg, void *current) { + decl_type *real = real_decl_type(darg->type); + + /* pre-validate any structs/unions/enums */ + switch (real->type) { + case PSI_T_STRUCT: + if (current && current == real->real.strct) { + return 1; + } + if (!locate_decl_type_struct(data->structs, real)) { + return 0; + } + if (!validate_decl_struct(data, real->real.strct)) { + return 0; + } + break; + case PSI_T_UNION: + if (current && current == real->real.unn) { + return 1; + } + if (!locate_decl_type_union(data->unions, real)) { + return 0; + } + if (!validate_decl_union(data, real->real.unn)) { + return 0; + } + break; + case PSI_T_ENUM: + if (current && current == real->real.enm) { + return 1; + } + if (!locate_decl_type_enum(data->enums, real)) { + return 0; + } + if (!validate_decl_enum(data, real->real.enm)) { + return 0; + } + break; + } + + return 1; +} + +static int sort_args_cmp(const void *_a, const void *_b) { + decl_arg *a = *(decl_arg **)_a, *b = *(decl_arg **)_b; + + if (a->layout->pos == b->layout->pos) { + if (a->layout->len == b->layout->len) { + return 0; + } else if (a->layout->len > b->layout->len) { + return -1; + } else { + return 1; + } + } else if (a->layout->pos > b->layout->pos) { + return 1; + } else { + return -1; + } +} + +static void sort_args_swp(void *a, void *b) { + decl_arg **_a = a, **_b = b, *_c; + + _c = *_b; + *_b = *_a; + *_a = _c; +} + +#include "Zend/zend_sort.h" + +void sort_decl_args(decl_args *args) { + zend_insert_sort((void *) args->args, args->count, + sizeof(args), sort_args_cmp, sort_args_swp); +} +