X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e2577d0360f31128b87c748dc9a3253b2ed87727..0c0857127aadbff3d4d1d317ca35b0c50621663a:/src/gras/DataDesc/ddt_create.c diff --git a/src/gras/DataDesc/ddt_create.c b/src/gras/DataDesc/ddt_create.c index d8a4e76f33..7bc27bcdfc 100644 --- a/src/gras/DataDesc/ddt_create.c +++ b/src/gras/DataDesc/ddt_create.c @@ -8,40 +8,41 @@ /* This program is free software; you can redistribute it and/or modify it under the terms of the license (GNU LGPL) which comes with this package. */ -#include "DataDesc/datadesc_private.h" +#include "gras/DataDesc/datadesc_private.h" -GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(new,DataDesc); +GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_create,datadesc,"Creating new datadescriptions"); /** * gras_ddt_freev: * * gime that memory back, dude. I mean it. */ -static void gras_ddt_freev(void *ddt) { +void gras_ddt_freev(void *ddt) { gras_datadesc_type_t *type= (gras_datadesc_type_t *)ddt; if (type) { - gras_ddt_free(&type); + gras_datadesc_free(type); } } static gras_error_t gras_ddt_new(const char *name, gras_datadesc_type_t **dst) { - gras_error_t errcode; - gras_datadesc_type_t *res=malloc(sizeof(gras_datadesc_type_t)); + gras_datadesc_type_t *res; + + GRAS_IN1("(%s)",name); + res=gras_new0(gras_datadesc_type_t,1); if (!res) RAISE_MALLOC; - memset(res, 0, sizeof(gras_datadesc_type_t)); - res->name = strdup(name); + res->name = (char*)strdup(name); res->name_len = strlen(name); - + + *dst=res; TRY(gras_set_add(gras_datadesc_set_local, (gras_set_elm_t*)res,&gras_ddt_freev)); - - *dst=res; + GRAS_OUT; return no_error; } @@ -54,10 +55,13 @@ gras_datadesc_type_t *gras_datadesc_by_name(const char *name) { gras_datadesc_type_t *type; + GRAS_IN1("(%s)",name); if (gras_set_get_by_name(gras_datadesc_set_local, name,(gras_set_elm_t**)&type) == no_error) { + GRAS_OUT; return type; } else { + GRAS_OUT; return NULL; } } @@ -69,45 +73,60 @@ gras_datadesc_type_t *gras_datadesc_by_name(const char *name) { */ gras_error_t gras_datadesc_by_id(long int code, gras_datadesc_type_t **type) { + GRAS_IN; return gras_set_get_by_id(gras_datadesc_set_local, code,(gras_set_elm_t**)type); } /** - * gras_datadesc_declare_scalar: + * gras_datadesc_scalar: * * Create a new scalar and give a pointer to it */ gras_error_t -gras_datadesc_declare_scalar(const char *name, - gras_ddt_scalar_type_t type, - enum e_gras_dd_scalar_encoding encoding, - gras_datadesc_type_cb_void_t cb, - gras_datadesc_type_t **dst) { +gras_datadesc_scalar(const char *name, + gras_ddt_scalar_type_t type, + enum e_gras_dd_scalar_encoding encoding, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; long int arch; + GRAS_IN; + res = gras_datadesc_by_name(name); + if (res) { + gras_assert1(res->category_code == e_gras_datadesc_type_cat_scalar, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.scalar_data.encoding == encoding, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.scalar_data.type == type, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + *dst=res; + return no_error; + } TRY(gras_ddt_new(name,dst)); res=*dst; for (arch = 0; arch < gras_arch_count; arch ++) { long int sz; long int mask; - - res->size[arch] = gras_arch_sizes[arch].sizeof_scalars[type]; - + res->size[arch] = gras_arches[arch].sizeofs[type]; + res->alignment[arch] = gras_arches[arch].boundaries[type]; + res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]); +#if 0 sz = res->size[arch]; mask = sz; - /* just in case you wonder, x>>1 == x/2 on all architectures when x>=0 and a size is always>=0 */ - + /* just in case you wonder, x>>1 == x/2 on all architectures when x>=0 + and a size is always>=0 */ + /* make sure mask have all the bits under the biggest one of size set to 1 Example: size=000100101 => mask=0000111111 */ while ((sz >>= 1)) { mask |= sz; - } + } if (res->size[arch] & (mask >> 1)) { /* if size have bits to one beside its biggest */ /* size is not a power of 2 */ @@ -116,7 +135,7 @@ gras_datadesc_declare_scalar(const char *name, gras_assert0(res->alignment[arch] != 0, "scalar type too large"); - res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]); + res->aligned_size[arch] = aligned(res->size[arch], res->alignment[arch]); gras_assert0 (res->aligned_size[arch] >= 0, "scalar type too large"); @@ -125,19 +144,13 @@ gras_datadesc_declare_scalar(const char *name, res->alignment[arch] = res->size[arch]; res->aligned_size[arch] = res->size[arch]; } - - /* FIXME size < 0 sometimes? - } else { - res->alignment = 0; - res->aligned_size = 0; - } - */ +#endif } res->category_code = e_gras_datadesc_type_cat_scalar; res->category.scalar_data.encoding = encoding; - - res->pre = cb; + res->category.scalar_data.type = type; + GRAS_OUT; return no_error; } @@ -148,109 +161,168 @@ gras_datadesc_declare_scalar(const char *name, * Frees one struct or union field */ void gras_dd_cat_field_free(void *f) { - gras_dd_cat_field_t *field = (gras_dd_cat_field_t *)f; + gras_dd_cat_field_t *field = *(gras_dd_cat_field_t **)f; + GRAS_IN; if (field) { if (field->name) - free(field->name); - free(field); + gras_free(field->name); + gras_free(field); } + GRAS_OUT; } /** - * gras_datadesc_declare_struct: + * gras_datadesc_struct: * * Create a new struct and give a pointer to it */ gras_error_t -gras_datadesc_declare_struct(const char *name, - gras_datadesc_type_t **dst) { +gras_datadesc_struct(const char *name, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; long int arch; - + + GRAS_IN1("(%s)",name); + res = gras_datadesc_by_name(name); + if (res) { + /* FIXME: Check that field redefinition matches */ + gras_assert1(res->category_code == e_gras_datadesc_type_cat_struct, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + *dst=res; + return no_error; + } TRY(gras_ddt_new(name,dst)); res=*dst; for (arch=0; archsize[arch] = 0; - res->alignment[arch] = 0; - res->aligned_size[arch] = 0; + res->size[arch] = 0; + res->alignment[arch] = 0; + res->aligned_size[arch] = 0; } - res->category_code = e_gras_datadesc_type_cat_struct; + res->category_code = e_gras_datadesc_type_cat_struct; TRY(gras_dynar_new(&(res->category.struct_data.fields), sizeof(gras_dd_cat_field_t*), &gras_dd_cat_field_free)); + GRAS_OUT; return no_error; } /** - * gras_datadesc_declare_struct_append: + * gras_datadesc_struct_append: * * Append a field to the struct */ gras_error_t -gras_datadesc_declare_struct_append(gras_datadesc_type_t *struct_type, - const char *name, - gras_datadesc_type_t *field_type) { +gras_datadesc_struct_append(gras_datadesc_type_t *struct_type, + const char *name, + gras_datadesc_type_t *field_type) { gras_error_t errcode; gras_dd_cat_field_t *field; int arch; - gras_assert0(field_type->size >= 0, - "Cannot add a dynamically sized field in a structure"); + GRAS_IN3("(%s %s.%s;)",field_type->name,struct_type->name,name); + if (struct_type->category.struct_data.closed) { + VERB1("Ignoring request to add field to struct %s (closed. Redefinition?)", + struct_type->name); + return no_error; + } + + gras_assert1(field_type->size != 0, + "Cannot add a dynamically sized field in structure %s", + struct_type->name); - field=malloc(sizeof(gras_dd_cat_field_t)); + field=gras_new(gras_dd_cat_field_t,1); if (!field) RAISE_MALLOC; - field->name = strdup(name); + field->name = (char*)strdup(name); + DEBUG0("----------------"); + DEBUG3("PRE s={size=%ld,align=%ld,asize=%ld}", + struct_type->size[GRAS_THISARCH], + struct_type->alignment[GRAS_THISARCH], + struct_type->aligned_size[GRAS_THISARCH]); + + for (arch=0; archoffset[arch] = aligned(struct_type->size[arch], field_type->alignment[arch]); + field->offset[arch] = aligned(struct_type->size[arch], + field_type->alignment[arch]); + + struct_type->size[arch] = field->offset[arch] + field_type->size[arch]; + struct_type->alignment[arch] = max(struct_type->alignment[arch], + field_type->alignment[arch]); + struct_type->aligned_size[arch] = aligned(struct_type->size[arch], + struct_type->alignment[arch]); } - field->code = field_type->code; + field->type = field_type; field->pre = NULL; field->post = NULL; TRY(gras_dynar_push(struct_type->category.struct_data.fields, &field)); - for (arch=0; archsize[arch] = field->offset[arch] + field_type->size[arch]; - struct_type->alignment[arch] = max(struct_type->alignment[arch], field_type->alignment[arch]); - struct_type->aligned_size[arch] = aligned(struct_type->size[arch], struct_type->alignment[arch]); - } - + DEBUG3("Push a %s into %s at offset %ld.", + field_type->name, struct_type->name,field->offset[GRAS_THISARCH]); + DEBUG3(" f={size=%ld,align=%ld,asize=%ld}", + field_type->size[GRAS_THISARCH], + field_type->alignment[GRAS_THISARCH], + field_type->aligned_size[GRAS_THISARCH]); + DEBUG3(" s={size=%ld,align=%ld,asize=%ld}", + struct_type->size[GRAS_THISARCH], + struct_type->alignment[GRAS_THISARCH], + struct_type->aligned_size[GRAS_THISARCH]); + GRAS_OUT; return no_error; } +void +gras_datadesc_struct_close(gras_datadesc_type_t *struct_type) { + GRAS_IN; + struct_type->category.struct_data.closed = 1; +} /** - * gras_datadesc_declare_union: + * gras_datadesc_union: * * Create a new union and give a pointer to it */ gras_error_t -gras_datadesc_declare_union(const char *name, - gras_datadesc_type_cb_int_t selector, - gras_datadesc_type_t **dst) { +gras_datadesc_union(const char *name, + gras_datadesc_type_cb_int_t selector, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; int arch; + GRAS_IN1("(%s)",name); gras_assert0(selector, "Attempt to creat an union without field_count function"); + res = gras_datadesc_by_name(name); + if (res) { + /* FIXME: Check that field redefinition matches */ + gras_assert1(res->category_code == e_gras_datadesc_type_cat_union, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.union_data.selector == selector, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + *dst=res; + return no_error; + } + TRY(gras_ddt_new(name,dst)); res=*dst; for (arch=0; archsize[arch] = 0; - res->alignment[arch] = 0; - res->aligned_size[arch] = 0; + res->size[arch] = 0; + res->alignment[arch] = 0; + res->aligned_size[arch] = 0; } + res->category_code = e_gras_datadesc_type_cat_union; TRY(gras_dynar_new(&(res->category.union_data.fields), sizeof(gras_dd_cat_field_t*), @@ -261,193 +333,292 @@ gras_datadesc_declare_union(const char *name, } /** - * gras_datadesc_declare_union_append: + * gras_datadesc_union_append: * * Append a field to the union */ gras_error_t -gras_datadesc_declare_union_append(gras_datadesc_type_t *union_type, - const char *name, - gras_datadesc_type_t *field_type) { +gras_datadesc_union_append(gras_datadesc_type_t *union_type, + const char *name, + gras_datadesc_type_t *field_type) { gras_error_t errcode; gras_dd_cat_field_t *field; int arch; - gras_assert0(field_type->size >= 0, - "Cannot add a dynamically sized field in an union"); + GRAS_IN3("(%s %s.%s;)",field_type->name,union_type->name,name); + gras_assert1(field_type->size != 0, + "Cannot add a dynamically sized field in union %s", + union_type->name); + + if (union_type->category.union_data.closed) { + VERB1("Ignoring request to add field to union %s (closed)", + union_type->name); + return no_error; + } - field=malloc(sizeof(gras_dd_cat_field_t)); + field=gras_new0(gras_dd_cat_field_t,1); if (!field) RAISE_MALLOC; - field->name = strdup(name); - for (arch=0; archoffset[arch] = 0; /* that's the purpose of union ;) */ - } - field->code = field_type->code; - field->pre = NULL; - field->post = NULL; + field->name = (char*)strdup(name); + field->type = field_type; + /* All offset are left to 0 in an union */ TRY(gras_dynar_push(union_type->category.union_data.fields, &field)); for (arch=0; archsize[arch] = max(union_type->size[arch], field_type->size[arch]); - union_type->alignment[arch] = max(union_type->alignment[arch], field_type->alignment[arch]); - union_type->aligned_size[arch] = aligned(union_type->size[arch], union_type->alignment[arch]); + union_type->size[arch] = max(union_type->size[arch], + field_type->size[arch]); + union_type->alignment[arch] = max(union_type->alignment[arch], + field_type->alignment[arch]); + union_type->aligned_size[arch] = aligned(union_type->size[arch], + union_type->alignment[arch]); } - return no_error; } +void +gras_datadesc_union_close(gras_datadesc_type_t *union_type) { + union_type->category.union_data.closed = 1; +} /** - * gras_datadesc_declare_ref: + * gras_datadesc_ref: * * Create a new ref to a fixed type and give a pointer to it */ gras_error_t -gras_datadesc_declare_ref(const char *name, - gras_datadesc_type_t *referenced_type, - gras_datadesc_type_t **dst) { +gras_datadesc_ref(const char *name, + gras_datadesc_type_t *referenced_type, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer"); int arch; + GRAS_IN1("(%s)",name); + res = gras_datadesc_by_name(name); + if (res) { + gras_assert1(res->category_code == e_gras_datadesc_type_cat_ref, + "Redefinition of %s does not match",name); + gras_assert1(res->category.ref_data.type == referenced_type, + "Redefinition of %s does not match",name); + gras_assert1(res->category.ref_data.selector == NULL, + "Redefinition of %s does not match",name); + VERB1("Discarding redefinition of %s",name); + *dst=res; + return no_error; + } + TRY(gras_ddt_new(name,dst)); res=*dst; gras_assert0(pointer_type, "Cannot get the description of data pointer"); - for (arch=0; archsize[arch] = pointer_type->size[arch]; - res->alignment[arch] = pointer_type->alignment[arch]; - res->aligned_size[arch] = pointer_type->aligned_size[arch]; + for (arch=0; archsize[arch] = pointer_type->size[arch]; + res->alignment[arch] = pointer_type->alignment[arch]; + res->aligned_size[arch] = pointer_type->aligned_size[arch]; } - - res->category_code = e_gras_datadesc_type_cat_ref; - - res->category.ref_data.code = referenced_type->code; + + res->category_code = e_gras_datadesc_type_cat_ref; + res->category.ref_data.type = referenced_type; res->category.ref_data.selector = NULL; return no_error; } /** - * gras_datadesc_declare_ref_generic: + * gras_datadesc_ref_generic: * * Create a new ref to a type given at use time, and give a pointer to it */ gras_error_t -gras_datadesc_declare_ref_generic(const char *name, - gras_datadesc_type_cb_int_t selector, - gras_datadesc_type_t **dst) { +gras_datadesc_ref_generic(const char *name, + gras_datadesc_selector_t selector, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; gras_datadesc_type_t *pointer_type = gras_datadesc_by_name("data pointer"); int arch; + GRAS_IN1("(%s)",name); + res = gras_datadesc_by_name(name); + if (res) { + gras_assert1(res->category_code == e_gras_datadesc_type_cat_ref, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.ref_data.type == NULL, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.ref_data.selector == selector, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + *dst=res; + return no_error; + } TRY(gras_ddt_new(name,dst)); res=*dst; gras_assert0(pointer_type, "Cannot get the description of data pointer"); for (arch=0; archsize[arch] = pointer_type->size[arch]; - res->alignment[arch] = pointer_type->alignment[arch]; - res->aligned_size[arch] = pointer_type->aligned_size[arch]; + res->size[arch] = pointer_type->size[arch]; + res->alignment[arch] = pointer_type->alignment[arch]; + res->aligned_size[arch] = pointer_type->aligned_size[arch]; } res->category_code = e_gras_datadesc_type_cat_ref; - res->category.ref_data.code = -1; + res->category.ref_data.type = NULL; res->category.ref_data.selector = selector; return no_error; } /** - * gras_datadesc_declare_array_fixed: + * gras_datadesc_array_fixed: * * Create a new array and give a pointer to it */ gras_error_t -gras_datadesc_declare_array_fixed(const char *name, - gras_datadesc_type_t *element_type, - long int fixed_size, - gras_datadesc_type_t **dst) { +gras_datadesc_array_fixed(const char *name, + gras_datadesc_type_t *element_type, + long int fixed_size, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; int arch; + GRAS_IN1("(%s)",name); + res = gras_datadesc_by_name(name); + if (res) { + gras_assert1(res->category_code == e_gras_datadesc_type_cat_array, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.type == element_type, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.fixed_size == fixed_size, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.dynamic_size == NULL, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + + *dst=res; + return no_error; + } TRY(gras_ddt_new(name,dst)); res=*dst; - gras_assert1(fixed_size > 0, "'%s' is a array of negative fixed size",name); + gras_assert1(fixed_size > 0, "'%s' is a array of null fixed size",name); for (arch=0; archsize[arch] = fixed_size * element_type->aligned_size[arch]; - res->alignment[arch] = element_type->alignment[arch]; - res->aligned_size[arch] = fixed_size; /*FIXME: That was so in GS, but looks stupid*/ - } + res->alignment[arch] = element_type->alignment[arch]; + res->aligned_size[arch] = res->size[arch]; + } + res->category_code = e_gras_datadesc_type_cat_array; - res->category.array_data.code = element_type->code; + res->category.array_data.type = element_type; res->category.array_data.fixed_size = fixed_size; res->category.array_data.dynamic_size = NULL; return no_error; } /** - * gras_datadesc_declare_array_dyn: + * gras_datadesc_array_dyn: * * Create a new array and give a pointer to it */ gras_error_t -gras_datadesc_declare_array_dyn(const char *name, - gras_datadesc_type_t *element_type, - gras_datadesc_type_cb_int_t dynamic_size, - gras_datadesc_type_t **dst) { +gras_datadesc_array_dyn(const char *name, + gras_datadesc_type_t *element_type, + gras_datadesc_type_cb_int_t dynamic_size, + gras_datadesc_type_t **dst) { gras_error_t errcode; gras_datadesc_type_t *res; int arch; + GRAS_IN1("(%s)",name); gras_assert1(dynamic_size, "'%s' is a dynamic array without size discriminant", name); + res = gras_datadesc_by_name(name); + if (res) { + gras_assert1(res->category_code == e_gras_datadesc_type_cat_array, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.type == element_type, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.fixed_size == 0, + "Redefinition of type %s does not match", name); + gras_assert1(res->category.array_data.dynamic_size == dynamic_size, + "Redefinition of type %s does not match", name); + VERB1("Discarding redefinition of %s",name); + + *dst=res; + return no_error; + } + TRY(gras_ddt_new(name,dst)); res=*dst; for (arch=0; archsize[arch] = -1; /* make sure it indicates "dynamic" */ - res->alignment[arch] = element_type->alignment[arch]; - res->aligned_size[arch] = -1; /*FIXME: That was so in GS, but looks stupid*/ + res->size[arch] = 0; /* make sure it indicates "dynamic" */ + res->alignment[arch] = element_type->alignment[arch]; + res->aligned_size[arch] = 0; /*FIXME: That was so in GS, but looks stupid*/ } + res->category_code = e_gras_datadesc_type_cat_array; - res->category.array_data.code = element_type->code; - res->category.array_data.fixed_size = -1; + res->category.array_data.type = element_type; + res->category.array_data.fixed_size = 0; res->category.array_data.dynamic_size = dynamic_size; return no_error; } /** - * gras_datadesc_declare_parse: + * gras_datadesc_ref_pop_arr: + * + * Most of the time, you want to include a reference in your structure which + * is a pointer to a dynamic array whose size is fixed by another field of + * your structure. + * + * This case pops up so often that this function was created to take care of + * this case. It creates a dynamic array type whose size is poped from the + * current cbps, and then create a reference to it. + * + * The name of the created datatype will be the name of the element type, with + * '[]*' appended to it. + * + * Then to use it, you just have to make sure that your structure pre-callback + * does push the size of the array in the cbps (using #gras_cbps_i_push), and + * you are set. + * + * But be remember that this is a stack. If you have two different pop_arr, you + * should push the second one first, so that the first one is on the top of the + * list when the first field gets transfered. * - * Create a datadescription from the result of parsing the C type description */ -gras_error_t -gras_datadesc_parse(const char *name, - const char *C_statement, - gras_datadesc_type_t **dst) { - RAISE_UNIMPLEMENTED; -} +gras_error_t +gras_datadesc_ref_pop_arr(gras_datadesc_type_t *element_type, + gras_datadesc_type_t **dst) { + gras_error_t errcode; + char *name=(char*)gras_malloc(strlen(element_type->name) + 4); + + sprintf(name,"%s[]",element_type->name); + + TRY(gras_datadesc_array_dyn(name,element_type, + gras_datadesc_cb_pop, dst)); + + sprintf(name,"%s[]*",element_type->name); + TRY(gras_datadesc_ref(name,*dst,dst)); + gras_free(name); + return no_error; +} gras_error_t gras_datadesc_import_nws(const char *name, const DataDescriptor *desc, @@ -457,60 +628,144 @@ gras_datadesc_import_nws(const char *name, } /** - * gras_ddt_free: + * gras_datadesc_cb_send: + * + * Add a pre-send callback to this datadesc. + * (useful to push the sizes of the upcoming arrays, for example) + */ +void gras_datadesc_cb_send (gras_datadesc_type_t *type, + gras_datadesc_type_cb_void_t send) { + type->send = send; +} +/** + * gras_datadesc_cb_recv: * - * Frees a datadescription. + * Add a post-receive callback to this datadesc. + * (useful to put the function pointers to the rigth value, for example) */ -void gras_ddt_free(gras_datadesc_type_t **type) { - gras_datadesc_type_t *t; - - if (type && *type) { - t=*type; - - free(t->name); - switch (t->category_code) { - case e_gras_datadesc_type_cat_scalar: - case e_gras_datadesc_type_cat_ref: - case e_gras_datadesc_type_cat_array: - /* nothing to free in there */ - break; - - case e_gras_datadesc_type_cat_ignored: - if (t->category.ignored_data.free_func) { - t->category.ignored_data.free_func(t->category.ignored_data.default_value); +void gras_datadesc_cb_recv(gras_datadesc_type_t *type, + gras_datadesc_type_cb_void_t recv) { + type->recv = recv; +} +/** + * gras_dd_find_field: + * + * Returns the type descriptor of the given field. Abort on error. + */ +static gras_datadesc_type_t * + gras_dd_find_field(gras_datadesc_type_t *type, + const char *field_name) { + gras_datadesc_type_t *sub_type=NULL; + gras_dynar_t *field_array; + + gras_dd_cat_field_t *field=NULL; + int field_num; + + if (type->category_code == e_gras_datadesc_type_cat_union) { + field_array = type->category.union_data.fields; + } else if (type->category_code == e_gras_datadesc_type_cat_struct) { + field_array = type->category.struct_data.fields; + } else { + ERROR2("%s (%p) is not a struct nor an union. There is no field.", type->name,(void*)type); + gras_abort(); + } + gras_dynar_foreach(field_array,field_num,field) { + if (!strcmp(field_name,field->name)) { + return field->type; } - break; + } + ERROR2("No field nammed %s in %s",field_name,type->name); + gras_abort(); - case e_gras_datadesc_type_cat_struct: - gras_dynar_free(t->category.struct_data.fields); - break; - - case e_gras_datadesc_type_cat_union: - gras_dynar_free(t->category.union_data.fields); - break; - - default: - /* datadesc was invalid. Killing it is like euthanasy, I guess */ - break; - } - } +} + +/** + * gras_datadesc_cb_field_send: + * + * Add a pre-send callback to the given field of the datadesc (which must be a struct or union). + * (useful to push the sizes of the upcoming arrays, for example) + */ +void gras_datadesc_cb_field_send (gras_datadesc_type_t *type, + const char *field_name, + gras_datadesc_type_cb_void_t send) { + + gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name); + sub_type->send = send; } /** - * gras_datadesc_cb_set_pre: + * gras_datadesc_cb_field_push: + * + * Add a pre-send callback to the given field resulting in its value to be pushed to + * the stack of sizes. It must be a int, unsigned int, long int or unsigned long int. + */ +void gras_datadesc_cb_field_push (gras_datadesc_type_t *type, + const char *field_name) { + + gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name); + if (!strcmp("int",sub_type->name)) { + sub_type->send = gras_datadesc_cb_push_int; + } else if (!strcmp("unsigned int",sub_type->name)) { + sub_type->send = gras_datadesc_cb_push_uint; + } else if (!strcmp("long int",sub_type->name)) { + sub_type->send = gras_datadesc_cb_push_lint; + } else if (!strcmp("unsigned long int",sub_type->name)) { + sub_type->send = gras_datadesc_cb_push_ulint; + } else { + ERROR1("Field %s is not an int, unsigned int, long int neither unsigned long int", + sub_type->name); + gras_abort(); + } +} +/** + * gras_datadesc_cb_field_recv: * - * Add a pre-send callback to this datadexc + * Add a post-receive callback to the given field of the datadesc (which must be a struct or union). + * (useful to put the function pointers to the right value, for example) */ -void gras_datadesc_cb_set_pre (gras_datadesc_type_t *type, - gras_datadesc_type_cb_void_t pre) { - type->pre = pre; +void gras_datadesc_cb_field_recv(gras_datadesc_type_t *type, + const char *field_name, + gras_datadesc_type_cb_void_t recv) { + + gras_datadesc_type_t *sub_type=gras_dd_find_field(type,field_name); + sub_type->recv = recv; } + /** - * gras_datadesc_cb_set_post: + * gras_datadesc_free: * - * Add a post-send callback to this datadexc + * Free a datadesc. Should only be called at gras_exit. */ -void gras_datadesc_cb_set_post(gras_datadesc_type_t *type, - gras_datadesc_type_cb_void_t post) { - type->post = post; +void gras_datadesc_free(gras_datadesc_type_t *type) { + + DEBUG1("Let's free ddt %s",type->name); + + switch (type->category_code) { + case e_gras_datadesc_type_cat_scalar: + case e_gras_datadesc_type_cat_ref: + case e_gras_datadesc_type_cat_array: + /* nothing to free in there */ + break; + + case e_gras_datadesc_type_cat_ignored: + if (type->category.ignored_data.free_func) { + type->category.ignored_data.free_func + (type->category.ignored_data.default_value); + } + break; + + case e_gras_datadesc_type_cat_struct: + gras_dynar_free(type->category.struct_data.fields); + break; + + case e_gras_datadesc_type_cat_union: + gras_dynar_free(type->category.union_data.fields); + break; + + default: + /* datadesc was invalid. Killing it is like euthanasy, I guess */ + break; + } + gras_free(type->name); + gras_free(type); }