*
* BabelTrace - Array Type Converter
*
- * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2011 EfficiOS Inc. and Linux Foundation
+ *
+ * Author: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
#include <babeltrace/compiler.h>
#include <babeltrace/format.h>
+#include <babeltrace/types.h>
#include <inttypes.h>
static
struct definition *_array_definition_new(struct declaration *declaration,
struct definition_scope *parent_scope,
- GQuark field_name, int index);
+ GQuark field_name, int index, const char *root_name);
static
void _array_definition_free(struct definition *definition);
-void array_rw(struct stream_pos *pos, struct definition *definition)
+int array_rw(struct stream_pos *pos, struct definition *definition)
{
struct definition_array *array_definition =
container_of(definition, struct definition_array, p);
const struct declaration_array *array_declaration =
array_definition->declaration;
uint64_t i;
+ int ret;
/* No need to align, because the first field will align itself. */
for (i = 0; i < array_declaration->len; i++) {
- struct definition *elem =
- g_array_index(array_definition->elems, struct field, i).definition;
- generic_rw(pos, elem);
+ struct definition *field =
+ g_ptr_array_index(array_definition->elems, i);
+ ret = generic_rw(pos, field);
+ if (ret)
+ return ret;
}
+ return 0;
}
static
struct definition *
_array_definition_new(struct declaration *declaration,
struct definition_scope *parent_scope,
- GQuark field_name, int index)
+ GQuark field_name, int index, const char *root_name)
{
struct declaration_array *array_declaration =
container_of(declaration, struct declaration_array, p);
struct definition_array *array;
- uint64_t i;
+ int ret;
+ int i;
array = g_new(struct definition_array, 1);
declaration_ref(&array_declaration->p);
array->p.declaration = declaration;
array->declaration = array_declaration;
array->p.ref = 1;
- array->p.index = index;
- array->scope = new_definition_scope(parent_scope, field_name);
- array->elems = g_array_sized_new(FALSE, TRUE, sizeof(struct field),
- array_declaration->len);
- g_array_set_size(array->elems, array_declaration->len);
+ /*
+ * Use INT_MAX order to ensure that all fields of the parent
+ * scope are seen as being prior to this scope.
+ */
+ array->p.index = root_name ? INT_MAX : index;
+ array->p.name = field_name;
+ array->p.path = new_definition_path(parent_scope, field_name, root_name);
+ array->p.scope = new_definition_scope(parent_scope, field_name, root_name);
+ ret = register_field_definition(field_name, &array->p,
+ parent_scope);
+ assert(!ret);
+ array->string = NULL;
+ array->elems = NULL;
+
+ if (array_declaration->elem->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(array_declaration->elem, struct declaration_integer, p);
+
+ if (integer_declaration->encoding == CTF_STRING_UTF8
+ || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+ array->string = g_string_new("");
+
+ if (integer_declaration->len == CHAR_BIT
+ && integer_declaration->p.alignment == CHAR_BIT) {
+ return &array->p;
+ }
+ }
+ }
+
+ array->elems = g_ptr_array_sized_new(array_declaration->len);
+ g_ptr_array_set_size(array->elems, array_declaration->len);
for (i = 0; i < array_declaration->len; i++) {
- struct field *field;
+ struct definition **field;
GString *str;
GQuark name;
str = g_string_new("");
- g_string_printf(str, "[%" PRIu64 "]", i);
+ g_string_printf(str, "[%u]", (unsigned int) i);
name = g_quark_from_string(str->str);
(void) g_string_free(str, TRUE);
- field = &g_array_index(array->elems, struct field, i);
- field->name = name;
- field->definition = array_declaration->elem->definition_new(array_declaration->elem,
- array->scope,
- name, i);
+ field = (struct definition **) &g_ptr_array_index(array->elems, i);
+ *field = array_declaration->elem->definition_new(array_declaration->elem,
+ array->p.scope,
+ name, i, NULL);
+ if (!*field)
+ goto error;
}
+
return &array->p;
+
+error:
+ for (i--; i >= 0; i--) {
+ struct definition *field;
+
+ field = g_ptr_array_index(array->elems, i);
+ field->declaration->definition_free(field);
+ }
+ (void) g_ptr_array_free(array->elems, TRUE);
+ free_definition_scope(array->p.scope);
+ declaration_unref(array->p.declaration);
+ g_free(array);
+ return NULL;
}
static
container_of(definition, struct definition_array, p);
uint64_t i;
- for (i = 0; i < array->elems->len; i++) {
- struct field *field;
+ if (array->string)
+ (void) g_string_free(array->string, TRUE);
+ if (array->elems) {
+ for (i = 0; i < array->elems->len; i++) {
+ struct definition *field;
- field = &g_array_index(array->elems, struct field, i);
- field->definition->declaration->definition_free(field->definition);
+ field = g_ptr_array_index(array->elems, i);
+ field->declaration->definition_free(field);
+ }
+ (void) g_ptr_array_free(array->elems, TRUE);
}
- (void) g_array_free(array->elems, TRUE);
- free_definition_scope(array->scope);
+ free_definition_scope(array->p.scope);
declaration_unref(array->p.declaration);
g_free(array);
}
uint64_t array_len(struct definition_array *array)
{
+ if (!array->elems)
+ return array->string->len;
return array->elems->len;
}
struct definition *array_index(struct definition_array *array, uint64_t i)
{
+ if (!array->elems)
+ return NULL;
if (i >= array->elems->len)
return NULL;
- return g_array_index(array->elems, struct field, i).definition;
+ return g_ptr_array_index(array->elems, i);
+}
+
+int get_array_len(const struct definition *field)
+{
+ struct definition_array *array_definition;
+ struct declaration_array *array_declaration;
+
+ array_definition = container_of(field, struct definition_array, p);
+ array_declaration = array_definition->declaration;
+
+ return array_declaration->len;
+}
+
+GString *get_char_array(const struct definition *field)
+{
+ struct definition_array *array_definition;
+ struct declaration_array *array_declaration;
+ struct declaration *elem;
+
+ array_definition = container_of(field, struct definition_array, p);
+ array_declaration = array_definition->declaration;
+ elem = array_declaration->elem;
+ if (elem->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(elem, struct declaration_integer, p);
+
+ if (integer_declaration->encoding == CTF_STRING_UTF8
+ || integer_declaration->encoding == CTF_STRING_ASCII) {
+
+ if (integer_declaration->len == CHAR_BIT
+ && integer_declaration->p.alignment == CHAR_BIT) {
+
+ return array_definition->string;
+ }
+ }
+ }
+ fprintf(stderr, "[warning] Extracting string\n");
+ return NULL;
}
projects / babeltrace.git / blobdiff