#include <glib.h>
#include <inttypes.h>
#include <errno.h>
+#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/list.h>
-#include <uuid/uuid.h>
+#include <babeltrace/types.h>
+#include <babeltrace/ctf/metadata.h>
+#include <babeltrace/uuid.h>
+#include <babeltrace/endian.h>
#include "ctf-scanner.h"
#include "ctf-parser.h"
#include "ctf-ast.h"
#define fprintf_dbg(fd, fmt, args...) fprintf(fd, "%s: " fmt, __func__, ## args)
-#define _cds_list_first_entry(ptr, type, member) \
- cds_list_entry((ptr)->next, type, member)
+#define _bt_list_first_entry(ptr, type, member) \
+ bt_list_entry((ptr)->next, type, member)
-static
-int ctf_visitor_print_type_specifier(FILE *fd, int depth, struct ctf_node *node)
-{
- print_tabs(fd, depth);
- fprintf(fd, "<type_specifier \"");
+int opt_clock_force_correlate;
- switch (node->u.type_specifier.type) {
- case TYPESPEC_VOID:
- fprintf(fd, "void");
- break;
- case TYPESPEC_CHAR:
- fprintf(fd, "char");
- break;
- case TYPESPEC_SHORT:
- fprintf(fd, "short");
- break;
- case TYPESPEC_INT:
- fprintf(fd, "int");
- break;
- case TYPESPEC_LONG:
- fprintf(fd, "long");
- break;
- case TYPESPEC_FLOAT:
- fprintf(fd, "float");
- break;
- case TYPESPEC_DOUBLE:
- fprintf(fd, "double");
- break;
- case TYPESPEC_SIGNED:
- fprintf(fd, "signed");
- break;
- case TYPESPEC_UNSIGNED:
- fprintf(fd, "unsigned");
- break;
- case TYPESPEC_BOOL:
- fprintf(fd, "bool");
- break;
- case TYPESPEC_COMPLEX:
- fprintf(fd, "_Complex");
- break;
- case TYPESPEC_IMAGINARY:
- fprintf(fd, "_Imaginary");
- break;
- case TYPESPEC_CONST:
- fprintf(fd, "const");
- break;
- case TYPESPEC_ID_TYPE:
- fprintf(fd, "%s", node->u.type_specifier.id_type);
- break;
+static
+struct declaration *ctf_type_specifier_list_visit(FILE *fd,
+ int depth, struct ctf_node *type_specifier_list,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace);
- case TYPESPEC_UNKNOWN:
- default:
- fprintf(stderr, "[error] %s: unknown type specifier %d\n", __func__,
- (int) node->u.type_specifier.type);
- return -EINVAL;
- }
- fprintf(fd, "\"/>\n");
- return 0;
-}
+static
+int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace);
static
-int ctf_visitor_print_type_declarator(FILE *fd, int depth, struct ctf_node *node)
+int is_unary_string(struct bt_list_head *head)
{
- int ret = 0;
- struct ctf_node *iter;
-
- print_tabs(fd, depth);
- fprintf(fd, "<type_declarator>\n");
- depth++;
-
- if (!cds_list_empty(&node->u.type_declarator.pointers)) {
- print_tabs(fd, depth);
- fprintf(fd, "<pointers>\n");
- cds_list_for_each_entry(iter, &node->u.type_declarator.pointers,
- siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</pointers>\n");
- }
+ struct ctf_node *node;
- switch (node->u.type_declarator.type) {
- case TYPEDEC_ID:
- if (node->u.type_declarator.u.id) {
- print_tabs(fd, depth);
- fprintf(fd, "<id \"");
- fprintf(fd, "%s", node->u.type_declarator.u.id);
- fprintf(fd, "\" />\n");
- }
- break;
- case TYPEDEC_NESTED:
- if (node->u.type_declarator.u.nested.type_declarator) {
- print_tabs(fd, depth);
- fprintf(fd, "<type_declarator>\n");
- ret = ctf_visitor_print_xml(fd, depth + 1,
- node->u.type_declarator.u.nested.type_declarator);
- if (ret)
- return ret;
- print_tabs(fd, depth);
- fprintf(fd, "</type_declarator>\n");
- }
- if (node->u.type_declarator.u.nested.length) {
- print_tabs(fd, depth);
- fprintf(fd, "<length>\n");
- ret = ctf_visitor_print_xml(fd, depth + 1,
- node->u.type_declarator.u.nested.length);
- if (ret)
- return ret;
- print_tabs(fd, depth);
- fprintf(fd, "</length>\n");
- }
- if (node->u.type_declarator.u.nested.abstract_array) {
- print_tabs(fd, depth);
- fprintf(fd, "<length>\n");
- print_tabs(fd, depth);
- fprintf(fd, "</length>\n");
- }
- if (node->u.type_declarator.bitfield_len) {
- print_tabs(fd, depth);
- fprintf(fd, "<bitfield_len>\n");
- ret = ctf_visitor_print_xml(fd, depth + 1,
- node->u.type_declarator.bitfield_len);
- if (ret)
- return ret;
- print_tabs(fd, depth);
- fprintf(fd, "</bitfield_len>\n");
- }
- break;
- case TYPEDEC_UNKNOWN:
- default:
- fprintf(stderr, "[error] %s: unknown type declarator %d\n", __func__,
- (int) node->u.type_declarator.type);
- return -EINVAL;
+ bt_list_for_each_entry(node, head, siblings) {
+ if (node->type != NODE_UNARY_EXPRESSION)
+ return 0;
+ if (node->u.unary_expression.type != UNARY_STRING)
+ return 0;
}
-
- depth--;
- print_tabs(fd, depth);
- fprintf(fd, "</type_declarator>\n");
- return 0;
+ return 1;
}
/*
* String returned must be freed by the caller using g_free.
*/
static
-char *concatenate_unary_strings(struct list_head *head)
+char *concatenate_unary_strings(struct bt_list_head *head)
{
struct ctf_node *node;
GString *str;
int i = 0;
- str = g_string_new();
- cds_list_for_each_entry(node, head, siblings) {
+ str = g_string_new("");
+ bt_list_for_each_entry(node, head, siblings) {
char *src_string;
assert(node->type == NODE_UNARY_EXPRESSION);
assert(node->u.unary_expression.type == UNARY_STRING);
assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN)
- ^ (i != 0))
+ ^ (i != 0));
switch (node->u.unary_expression.link) {
case UNARY_DOTLINK:
- g_string_append(str, ".")
+ g_string_append(str, ".");
break;
case UNARY_ARROWLINK:
- g_string_append(str, "->")
+ g_string_append(str, "->");
break;
case UNARY_DOTDOTDOT:
- g_string_append(str, "...")
+ g_string_append(str, "...");
+ break;
+ default:
break;
}
- src_string = u.unary_expression.u.string;
+ src_string = node->u.unary_expression.u.string;
g_string_append(str, src_string);
i++;
}
}
static
-int get_unary_unsigned(struct list_head *head, uint64_t *value)
+GQuark get_map_clock_name_value(struct bt_list_head *head)
+{
+ struct ctf_node *node;
+ const char *name = NULL;
+ int i = 0;
+
+ bt_list_for_each_entry(node, head, siblings) {
+ char *src_string;
+
+ assert(node->type == NODE_UNARY_EXPRESSION);
+ assert(node->u.unary_expression.type == UNARY_STRING);
+ assert((node->u.unary_expression.link == UNARY_LINK_UNKNOWN)
+ ^ (i != 0));
+ /* needs to be chained with . */
+ switch (node->u.unary_expression.link) {
+ case UNARY_DOTLINK:
+ break;
+ case UNARY_ARROWLINK:
+ case UNARY_DOTDOTDOT:
+ return 0;
+ default:
+ break;
+ }
+ src_string = node->u.unary_expression.u.string;
+ switch (i) {
+ case 0: if (strcmp("clock", src_string) != 0) {
+ return 0;
+ }
+ break;
+ case 1: name = src_string;
+ break;
+ case 2: if (strcmp("value", src_string) != 0) {
+ return 0;
+ }
+ break;
+ default:
+ return 0; /* extra identifier, unknown */
+ }
+ i++;
+ }
+ return g_quark_from_string(name);
+}
+
+static
+int is_unary_unsigned(struct bt_list_head *head)
+{
+ struct ctf_node *node;
+
+ bt_list_for_each_entry(node, head, siblings) {
+ if (node->type != NODE_UNARY_EXPRESSION)
+ return 0;
+ if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
+ return 0;
+ }
+ return 1;
+}
+
+static
+int get_unary_unsigned(struct bt_list_head *head, uint64_t *value)
{
struct ctf_node *node;
int i = 0;
- cds_list_for_each_entry(node, head, siblings) {
+ bt_list_for_each_entry(node, head, siblings) {
assert(node->type == NODE_UNARY_EXPRESSION);
assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT);
assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
assert(i == 0);
- *value = node->u.unary_expression.unsigned_constant
+ *value = node->u.unary_expression.u.unsigned_constant;
i++;
}
return 0;
}
static
-int get_unary_uuid(struct list_head *head, uuid_t *uuid)
+int is_unary_signed(struct bt_list_head *head)
+{
+ struct ctf_node *node;
+
+ bt_list_for_each_entry(node, head, siblings) {
+ if (node->type != NODE_UNARY_EXPRESSION)
+ return 0;
+ if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT)
+ return 0;
+ }
+ return 1;
+}
+
+static
+int get_unary_signed(struct bt_list_head *head, int64_t *value)
+{
+ struct ctf_node *node;
+ int i = 0;
+
+ bt_list_for_each_entry(node, head, siblings) {
+ assert(node->type == NODE_UNARY_EXPRESSION);
+ assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT
+ || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT);
+ assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
+ assert(i == 0);
+ switch (node->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ *value = (int64_t) node->u.unary_expression.u.unsigned_constant;
+ break;
+ case UNARY_SIGNED_CONSTANT:
+ *value = node->u.unary_expression.u.signed_constant;
+ break;
+ default:
+ assert(0);
+ }
+ i++;
+ }
+ return 0;
+}
+
+static
+int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid)
{
struct ctf_node *node;
int i = 0;
int ret = -1;
- cds_list_for_each_entry(node, head, siblings) {
+ bt_list_for_each_entry(node, head, siblings) {
const char *src_string;
assert(node->type == NODE_UNARY_EXPRESSION);
assert(node->u.unary_expression.type == UNARY_STRING);
assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
assert(i == 0);
- src_string = u.unary_expression.u.string;
- ret = uuid_parse(u.unary_expression.u.string, *uuid);
+ src_string = node->u.unary_expression.u.string;
+ ret = babeltrace_uuid_parse(src_string, uuid);
}
return ret;
}
static
-struct ctf_stream *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
+struct ctf_stream_declaration *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
{
if (trace->streams->len <= stream_id)
return NULL;
return g_ptr_array_index(trace->streams, stream_id);
}
-/*
- * Also add named variant, struct or enum to the current declaration scope.
- */
static
-struct ctf_declaration *ctf_declaration_specifier_visit(FILE *fd,
- int depth, struct list_head *head,
- struct declaration_scope *declaration_scope)
+struct ctf_clock *trace_clock_lookup(struct ctf_trace *trace, GQuark clock_name)
{
- struct ctf_declaration *declaration;
- struct node *first;
+ return g_hash_table_lookup(trace->clocks, (gpointer) (unsigned long) clock_name);
+}
- first = _cds_list_first_entry(head, struct node, siblings);
+static
+int visit_type_specifier(FILE *fd, struct ctf_node *type_specifier, GString *str)
+{
+ assert(type_specifier->type == NODE_TYPE_SPECIFIER);
- switch (first->type) {
- case NODE_STRUCT:
- /*
- * For named struct (without body), lookup in
- * declaration scope and create declaration copy.
- */
- /* For named struct (with body), create type and add to declaration scope */
- /* For unnamed struct, create type */
+ switch (type_specifier->u.type_specifier.type) {
+ case TYPESPEC_VOID:
+ g_string_append(str, "void");
break;
- case NODE_VARIANT:
- /*
- * For named variant (without body), lookup in
- * declaration scope and create declaration copy.
- */
- /* For named variant (with body), create type and add to declaration scope */
- /* For unnamed variant, create type */
- /* If variant has a tag field specifier, assign tag name. */
+ case TYPESPEC_CHAR:
+ g_string_append(str, "char");
break;
- case NODE_ENUM:
- /*
- * For named enum (without body), lookup in declaration
- * scope and create declaration copy.
- */
- /* For named enum (with body), create type and add to declaration scope */
- /* For unnamed enum, create type */
- /* Enumerations need to have their size/type specifier (< >). */
+ case TYPESPEC_SHORT:
+ g_string_append(str, "short");
break;
- case NODE_INTEGER:
- /*
- * Create an integer declaration.
- */
+ case TYPESPEC_INT:
+ g_string_append(str, "int");
break;
- case NODE_FLOATING_POINT:
- /*
- * Create a floating point declaration.
- */
+ case TYPESPEC_LONG:
+ g_string_append(str, "long");
break;
- case NODE_STRING:
- /*
- * Create a string declaration.
- */
+ case TYPESPEC_FLOAT:
+ g_string_append(str, "float");
break;
- case NODE_TYPE_SPECIFIER:
- /*
- * Lookup named type in typedef declarations (in
- * declaration scope). Create a copy of the declaration.
- */
+ case TYPESPEC_DOUBLE:
+ g_string_append(str, "double");
+ break;
+ case TYPESPEC_SIGNED:
+ g_string_append(str, "signed");
+ break;
+ case TYPESPEC_UNSIGNED:
+ g_string_append(str, "unsigned");
+ break;
+ case TYPESPEC_BOOL:
+ g_string_append(str, "bool");
+ break;
+ case TYPESPEC_COMPLEX:
+ g_string_append(str, "_Complex");
break;
+ case TYPESPEC_IMAGINARY:
+ g_string_append(str, "_Imaginary");
+ break;
+ case TYPESPEC_CONST:
+ g_string_append(str, "const");
+ break;
+ case TYPESPEC_ID_TYPE:
+ if (type_specifier->u.type_specifier.id_type)
+ g_string_append(str, type_specifier->u.type_specifier.id_type);
+ break;
+ case TYPESPEC_STRUCT:
+ {
+ struct ctf_node *node = type_specifier->u.type_specifier.node;
+ if (!node->u._struct.name) {
+ fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__);
+ return -EINVAL;
+ }
+ g_string_append(str, "struct ");
+ g_string_append(str, node->u._struct.name);
+ break;
}
-}
-
-static
-int ctf_typedef_declarator_visit(FILE *fd, int depth,
- struct list_head *declaration_specifier,
- struct node *type_declarator,
- struct declaration_scope *declaration_scope)
-{
- /*
- * Build the type using declaration specifier (creating
- * declaration from type_specifier), then apply type declarator,
- * add the resulting type to the current declaration scope.
- */
- cds_list_for_each_entry(iter, declaration_specifier, siblings) {
+ case TYPESPEC_VARIANT:
+ {
+ struct ctf_node *node = type_specifier->u.type_specifier.node;
+ if (!node->u.variant.name) {
+ fprintf(fd, "[error] %s: unexpected empty variant name\n", __func__);
+ return -EINVAL;
+ }
+ g_string_append(str, "variant ");
+ g_string_append(str, node->u.variant.name);
+ break;
+ }
+ case TYPESPEC_ENUM:
+ {
+ struct ctf_node *node = type_specifier->u.type_specifier.node;
+ if (!node->u._enum.enum_id) {
+ fprintf(fd, "[error] %s: unexpected empty enum ID\n", __func__);
+ return -EINVAL;
+ }
+ g_string_append(str, "enum ");
+ g_string_append(str, node->u._enum.enum_id);
+ break;
+ }
+ case TYPESPEC_FLOATING_POINT:
+ case TYPESPEC_INTEGER:
+ case TYPESPEC_STRING:
+ default:
+ fprintf(fd, "[error] %s: unknown specifier\n", __func__);
+ return -EINVAL;
}
return 0;
}
static
-int ctf_typedef_visit(FILE *fd, int depth,
- struct list_head *declaration_specifier,
- struct list_head *type_declarators,
- struct declaration_scope *declaration_scope)
+int visit_type_specifier_list(FILE *fd, struct ctf_node *type_specifier_list, GString *str)
{
struct ctf_node *iter;
-
- cds_list_for_each_entry(iter, type_declarators, siblings) {
- ret = ctf_typedef_declarator_visit(fd, depth + 1,
- &node->u._typedef.declaration_specifier, iter,
- declaration_scope);
+ int alias_item_nr = 0;
+ int ret;
+
+ bt_list_for_each_entry(iter, &type_specifier_list->u.type_specifier_list.head, siblings) {
+ if (alias_item_nr != 0)
+ g_string_append(str, " ");
+ alias_item_nr++;
+ ret = visit_type_specifier(fd, iter, str);
if (ret)
return ret;
}
}
static
-int ctf_typealias_visit(FILE *fd, int depth, struct ctf_node *target,
- struct ctf_node *alias,
- struct declaration_scope *declaration_scope)
+GQuark create_typealias_identifier(FILE *fd, int depth,
+ struct ctf_node *type_specifier_list,
+ struct ctf_node *node_type_declarator)
{
- /*
- * Build target type, check that it is reachable in current
- * declaration scope.
- */
-
- /* Only one type declarator is allowed */
-
- /* Build alias type, add to current declaration scope. */
- /* Only one type declarator is allowed */
+ struct ctf_node *iter;
+ GString *str;
+ char *str_c;
+ GQuark alias_q;
+ int ret;
+
+ str = g_string_new("");
+ ret = visit_type_specifier_list(fd, type_specifier_list, str);
+ if (ret) {
+ g_string_free(str, TRUE);
+ return 0;
+ }
+ bt_list_for_each_entry(iter, &node_type_declarator->u.type_declarator.pointers, siblings) {
+ g_string_append(str, " *");
+ if (iter->u.pointer.const_qualifier)
+ g_string_append(str, " const");
+ }
+ str_c = g_string_free(str, FALSE);
+ alias_q = g_quark_from_string(str_c);
+ g_free(str_c);
+ return alias_q;
}
static
-int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace)
+struct declaration *ctf_type_declarator_visit(FILE *fd, int depth,
+ struct ctf_node *type_specifier_list,
+ GQuark *field_name,
+ struct ctf_node *node_type_declarator,
+ struct declaration_scope *declaration_scope,
+ struct declaration *nested_declaration,
+ struct ctf_trace *trace)
{
- int ret = 0;
+ /*
+ * Visit type declarator by first taking care of sequence/array
+ * (recursively). Then, when we get to the identifier, take care
+ * of pointers.
+ */
- switch (node->type) {
- case NODE_TYPEDEF:
- ret = ctf_typedef_visit(fd, depth + 1,
- &node->u._typedef.declaration_specifier,
- &node->u._typedef.type_declarators,
- event->declaration_scope);
- if (ret)
- return ret;
- break;
- case NODE_TYPEALIAS:
- ret = ctf_typealias_visit(fd, depth + 1,
- &node->u.typealias.target, &node->u.typealias.alias
- event->declaration_scope);
- if (ret)
- return ret;
- break;
- case NODE_CTF_EXPRESSION:
- {
- char *left;
+ if (node_type_declarator) {
+ assert(node_type_declarator->u.type_declarator.type != TYPEDEC_UNKNOWN);
- left = concatenate_unary_strings(&node->u.ctf_expression.left);
- if (!strcmp(left, "name")) {
- char *right;
+ /* TODO: gcc bitfields not supported yet. */
+ if (node_type_declarator->u.type_declarator.bitfield_len != NULL) {
+ fprintf(fd, "[error] %s: gcc bitfields are not supported yet.\n", __func__);
+ return NULL;
+ }
+ }
- if (CTF_EVENT_FIELD_IS_SET(event, name))
- return -EPERM;
- right = concatenate_unary_strings(&node->u.ctf_expression.right);
- if (!right) {
- fprintf(stderr, "[error] %s: unexpected unary expression for event name\n", __func__);
- return -EINVAL;
- }
- event->name = g_quark_from_string(right);
- g_free(right);
- CTF_EVENT_SET_FIELD(event, name);
- } else if (!strcmp(left, "id")) {
- if (CTF_EVENT_FIELD_IS_SET(event, id))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for event id\n", __func__);
- return -EINVAL;
- }
- CTF_EVENT_SET_FIELD(event, id);
- } else if (!strcmp(left, "stream_id")) {
- if (CTF_EVENT_FIELD_IS_SET(event, stream_id))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for event stream_id\n", __func__);
- return -EINVAL;
+ if (!nested_declaration) {
+ if (node_type_declarator && !bt_list_empty(&node_type_declarator->u.type_declarator.pointers)) {
+ GQuark alias_q;
+
+ /*
+ * If we have a pointer declarator, it _has_ to be present in
+ * the typealiases (else fail).
+ */
+ alias_q = create_typealias_identifier(fd, depth,
+ type_specifier_list, node_type_declarator);
+ nested_declaration = lookup_declaration(alias_q, declaration_scope);
+ if (!nested_declaration) {
+ fprintf(fd, "[error] %s: cannot find typealias \"%s\".\n", __func__, g_quark_to_string(alias_q));
+ return NULL;
}
- event->stream = trace_stream_lookup(trace, event->stream_id);
- if (!event->stream) {
- fprintf(stderr, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id);
- return -EINVAL;
+ if (nested_declaration->id == CTF_TYPE_INTEGER) {
+ struct declaration_integer *integer_declaration =
+ container_of(nested_declaration, struct declaration_integer, p);
+ /* For base to 16 for pointers (expected pretty-print) */
+ if (!integer_declaration->base) {
+ /*
+ * We need to do a copy of the
+ * integer declaration to modify it. There could be other references to
+ * it.
+ */
+ integer_declaration = integer_declaration_new(integer_declaration->len,
+ integer_declaration->byte_order, integer_declaration->signedness,
+ integer_declaration->p.alignment, 16, integer_declaration->encoding,
+ integer_declaration->clock);
+ nested_declaration = &integer_declaration->p;
+ }
}
- CTF_EVENT_SET_FIELD(event, stream_id);
- } else if (!strcmp(left, "context")) {
- struct declaration *declaration;
-
- if (!event->definition_scope)
- return -EPERM;
- declaration = ctf_declaration_specifier_visit(fd, depth,
- &node->u.ctf_expression.right,
- event->declaration_scope);
- if (!declaration)
- return -EPERM;
- if (declaration->type->id != CTF_TYPE_STRUCT)
- return -EPERM;
- event->context_decl = container_of(declaration, struct declaration_struct, p);
- } else if (!strcmp(left, "fields")) {
- struct declaration *declaration;
-
- if (!event->definition_scope)
- return -EPERM;
- declaration = ctf_declaration_specifier_visit(fd, depth,
- &node->u.ctf_expression.right,
- event->declaration_scope);
- if (!declaration)
- return -EPERM;
- if (declaration->type->id != CTF_TYPE_STRUCT)
- return -EPERM;
- event->fields_decl = container_of(declaration, struct declaration_struct, p);
+ } else {
+ nested_declaration = ctf_type_specifier_list_visit(fd, depth,
+ type_specifier_list, declaration_scope, trace);
}
- g_free(left);
- break;
- }
- default:
- return -EPERM;
- /* TODO: declaration specifier should be added. */
}
- return 0;
+ if (!node_type_declarator)
+ return nested_declaration;
+
+ if (node_type_declarator->u.type_declarator.type == TYPEDEC_ID) {
+ if (node_type_declarator->u.type_declarator.u.id)
+ *field_name = g_quark_from_string(node_type_declarator->u.type_declarator.u.id);
+ else
+ *field_name = 0;
+ return nested_declaration;
+ } else {
+ struct declaration *declaration;
+ struct ctf_node *first;
+
+ /* TYPEDEC_NESTED */
+
+ if (!nested_declaration) {
+ fprintf(fd, "[error] %s: nested type is unknown.\n", __func__);
+ return NULL;
+ }
+
+ /* create array/sequence, pass nested_declaration as child. */
+ if (bt_list_empty(&node_type_declarator->u.type_declarator.u.nested.length)) {
+ fprintf(fd, "[error] %s: expecting length field reference or value.\n", __func__);
+ return NULL;
+ }
+ first = _bt_list_first_entry(&node_type_declarator->u.type_declarator.u.nested.length,
+ struct ctf_node, siblings);
+ assert(first->type == NODE_UNARY_EXPRESSION);
+
+ switch (first->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ {
+ struct declaration_array *array_declaration;
+ size_t len;
+
+ len = first->u.unary_expression.u.unsigned_constant;
+ array_declaration = array_declaration_new(len, nested_declaration,
+ declaration_scope);
+
+ if (!array_declaration) {
+ fprintf(fd, "[error] %s: cannot create array declaration.\n", __func__);
+ return NULL;
+ }
+ declaration = &array_declaration->p;
+ break;
+ }
+ case UNARY_STRING:
+ {
+ /* Lookup unsigned integer definition, create sequence */
+ char *length_name = concatenate_unary_strings(&node_type_declarator->u.type_declarator.u.nested.length);
+ struct declaration_sequence *sequence_declaration;
+
+ sequence_declaration = sequence_declaration_new(length_name, nested_declaration, declaration_scope);
+ if (!sequence_declaration) {
+ fprintf(fd, "[error] %s: cannot create sequence declaration.\n", __func__);
+ return NULL;
+ }
+ declaration = &sequence_declaration->p;
+ break;
+ }
+ default:
+ assert(0);
+ }
+
+ /* Pass it as content of outer container */
+ declaration = ctf_type_declarator_visit(fd, depth,
+ type_specifier_list, field_name,
+ node_type_declarator->u.type_declarator.u.nested.type_declarator,
+ declaration_scope, declaration, trace);
+ return declaration;
+ }
+}
+
+static
+int ctf_struct_type_declarators_visit(FILE *fd, int depth,
+ struct declaration_struct *struct_declaration,
+ struct ctf_node *type_specifier_list,
+ struct bt_list_head *type_declarators,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *iter;
+ GQuark field_name;
+
+ bt_list_for_each_entry(iter, type_declarators, siblings) {
+ struct declaration *field_declaration;
+
+ field_declaration = ctf_type_declarator_visit(fd, depth,
+ type_specifier_list,
+ &field_name, iter,
+ struct_declaration->scope,
+ NULL, trace);
+ if (!field_declaration) {
+ fprintf(fd, "[error] %s: unable to find struct field declaration type\n", __func__);
+ return -EINVAL;
+ }
+
+ /* Check if field with same name already exists */
+ if (struct_declaration_lookup_field_index(struct_declaration, field_name) >= 0) {
+ fprintf(fd, "[error] %s: duplicate field %s in struct\n", __func__, g_quark_to_string(field_name));
+ return -EINVAL;
+ }
+
+ struct_declaration_add_field(struct_declaration,
+ g_quark_to_string(field_name),
+ field_declaration);
+ }
+ return 0;
+}
+
+static
+int ctf_variant_type_declarators_visit(FILE *fd, int depth,
+ struct declaration_untagged_variant *untagged_variant_declaration,
+ struct ctf_node *type_specifier_list,
+ struct bt_list_head *type_declarators,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *iter;
+ GQuark field_name;
+
+ bt_list_for_each_entry(iter, type_declarators, siblings) {
+ struct declaration *field_declaration;
+
+ field_declaration = ctf_type_declarator_visit(fd, depth,
+ type_specifier_list,
+ &field_name, iter,
+ untagged_variant_declaration->scope,
+ NULL, trace);
+ if (!field_declaration) {
+ fprintf(fd, "[error] %s: unable to find variant field declaration type\n", __func__);
+ return -EINVAL;
+ }
+
+ if (untagged_variant_declaration_get_field_from_tag(untagged_variant_declaration, field_name) != NULL) {
+ fprintf(fd, "[error] %s: duplicate field %s in variant\n", __func__, g_quark_to_string(field_name));
+ return -EINVAL;
+ }
+
+
+ untagged_variant_declaration_add_field(untagged_variant_declaration,
+ g_quark_to_string(field_name),
+ field_declaration);
+ }
+ return 0;
+}
+
+static
+int ctf_typedef_visit(FILE *fd, int depth, struct declaration_scope *scope,
+ struct ctf_node *type_specifier_list,
+ struct bt_list_head *type_declarators,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *iter;
+ GQuark identifier;
+
+ bt_list_for_each_entry(iter, type_declarators, siblings) {
+ struct declaration *type_declaration;
+ int ret;
+
+ type_declaration = ctf_type_declarator_visit(fd, depth,
+ type_specifier_list,
+ &identifier, iter,
+ scope, NULL, trace);
+ if (!type_declaration) {
+ fprintf(fd, "[error] %s: problem creating type declaration\n", __func__);
+ return -EINVAL;
+ }
+ /*
+ * Don't allow typedef and typealias of untagged
+ * variants.
+ */
+ if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) {
+ fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__);
+ declaration_unref(type_declaration);
+ return -EPERM;
+ }
+ ret = register_declaration(identifier, type_declaration, scope);
+ if (ret) {
+ type_declaration->declaration_free(type_declaration);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static
+int ctf_typealias_visit(FILE *fd, int depth, struct declaration_scope *scope,
+ struct ctf_node *target, struct ctf_node *alias,
+ struct ctf_trace *trace)
+{
+ struct declaration *type_declaration;
+ struct ctf_node *node;
+ GQuark dummy_id;
+ GQuark alias_q;
+ int err;
+
+ /* See ctf_visitor_type_declarator() in the semantic validator. */
+
+ /*
+ * Create target type declaration.
+ */
+
+ if (bt_list_empty(&target->u.typealias_target.type_declarators))
+ node = NULL;
+ else
+ node = _bt_list_first_entry(&target->u.typealias_target.type_declarators,
+ struct ctf_node, siblings);
+ type_declaration = ctf_type_declarator_visit(fd, depth,
+ target->u.typealias_target.type_specifier_list,
+ &dummy_id, node,
+ scope, NULL, trace);
+ if (!type_declaration) {
+ fprintf(fd, "[error] %s: problem creating type declaration\n", __func__);
+ err = -EINVAL;
+ goto error;
+ }
+ /*
+ * Don't allow typedef and typealias of untagged
+ * variants.
+ */
+ if (type_declaration->id == CTF_TYPE_UNTAGGED_VARIANT) {
+ fprintf(fd, "[error] %s: typedef of untagged variant is not permitted.\n", __func__);
+ declaration_unref(type_declaration);
+ return -EPERM;
+ }
+ /*
+ * The semantic validator does not check whether the target is
+ * abstract or not (if it has an identifier). Check it here.
+ */
+ if (dummy_id != 0) {
+ fprintf(fd, "[error] %s: expecting empty identifier\n", __func__);
+ err = -EINVAL;
+ goto error;
+ }
+ /*
+ * Create alias identifier.
+ */
+
+ node = _bt_list_first_entry(&alias->u.typealias_alias.type_declarators,
+ struct ctf_node, siblings);
+ alias_q = create_typealias_identifier(fd, depth,
+ alias->u.typealias_alias.type_specifier_list, node);
+ err = register_declaration(alias_q, type_declaration, scope);
+ if (err)
+ goto error;
+ return 0;
+
+error:
+ if (type_declaration) {
+ type_declaration->declaration_free(type_declaration);
+ }
+ return err;
+}
+
+static
+int ctf_struct_declaration_list_visit(FILE *fd, int depth,
+ struct ctf_node *iter, struct declaration_struct *struct_declaration,
+ struct ctf_trace *trace)
+{
+ int ret;
+
+ switch (iter->type) {
+ case NODE_TYPEDEF:
+ /* For each declarator, declare type and add type to struct declaration scope */
+ ret = ctf_typedef_visit(fd, depth,
+ struct_declaration->scope,
+ iter->u._typedef.type_specifier_list,
+ &iter->u._typedef.type_declarators, trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_TYPEALIAS:
+ /* Declare type with declarator and add type to struct declaration scope */
+ ret = ctf_typealias_visit(fd, depth,
+ struct_declaration->scope,
+ iter->u.typealias.target,
+ iter->u.typealias.alias, trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ /* Add field to structure declaration */
+ ret = ctf_struct_type_declarators_visit(fd, depth,
+ struct_declaration,
+ iter->u.struct_or_variant_declaration.type_specifier_list,
+ &iter->u.struct_or_variant_declaration.type_declarators,
+ struct_declaration->scope, trace);
+ if (ret)
+ return ret;
+ break;
+ default:
+ fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type);
+ assert(0);
+ }
+ return 0;
+}
+
+static
+int ctf_variant_declaration_list_visit(FILE *fd, int depth,
+ struct ctf_node *iter,
+ struct declaration_untagged_variant *untagged_variant_declaration,
+ struct ctf_trace *trace)
+{
+ int ret;
+
+ switch (iter->type) {
+ case NODE_TYPEDEF:
+ /* For each declarator, declare type and add type to variant declaration scope */
+ ret = ctf_typedef_visit(fd, depth,
+ untagged_variant_declaration->scope,
+ iter->u._typedef.type_specifier_list,
+ &iter->u._typedef.type_declarators, trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_TYPEALIAS:
+ /* Declare type with declarator and add type to variant declaration scope */
+ ret = ctf_typealias_visit(fd, depth,
+ untagged_variant_declaration->scope,
+ iter->u.typealias.target,
+ iter->u.typealias.alias, trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ /* Add field to structure declaration */
+ ret = ctf_variant_type_declarators_visit(fd, depth,
+ untagged_variant_declaration,
+ iter->u.struct_or_variant_declaration.type_specifier_list,
+ &iter->u.struct_or_variant_declaration.type_declarators,
+ untagged_variant_declaration->scope, trace);
+ if (ret)
+ return ret;
+ break;
+ default:
+ fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) iter->type);
+ assert(0);
+ }
+ return 0;
+}
+
+static
+struct declaration *ctf_declaration_struct_visit(FILE *fd,
+ int depth, const char *name, struct bt_list_head *declaration_list,
+ int has_body, struct bt_list_head *min_align,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct declaration_struct *struct_declaration;
+ struct ctf_node *iter;
+ int ret;
+
+ /*
+ * For named struct (without body), lookup in
+ * declaration scope. Don't take reference on struct
+ * declaration: ref is only taken upon definition.
+ */
+ if (!has_body) {
+ assert(name);
+ struct_declaration =
+ lookup_struct_declaration(g_quark_from_string(name),
+ declaration_scope);
+ return &struct_declaration->p;
+ } else {
+ uint64_t min_align_value = 0;
+
+ /* For unnamed struct, create type */
+ /* For named struct (with body), create type and add to declaration scope */
+ if (name) {
+ if (lookup_struct_declaration(g_quark_from_string(name),
+ declaration_scope)) {
+
+ fprintf(fd, "[error] %s: struct %s already declared in scope\n", __func__, name);
+ return NULL;
+ }
+ }
+ if (!bt_list_empty(min_align)) {
+ ret = get_unary_unsigned(min_align, &min_align_value);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for structure \"align\" attribute\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ }
+ struct_declaration = struct_declaration_new(declaration_scope,
+ min_align_value);
+ bt_list_for_each_entry(iter, declaration_list, siblings) {
+ ret = ctf_struct_declaration_list_visit(fd, depth + 1, iter,
+ struct_declaration, trace);
+ if (ret)
+ goto error_free_declaration;
+ }
+ if (name) {
+ ret = register_struct_declaration(g_quark_from_string(name),
+ struct_declaration,
+ declaration_scope);
+ assert(!ret);
+ }
+ return &struct_declaration->p;
+ }
+error_free_declaration:
+ struct_declaration->p.declaration_free(&struct_declaration->p);
+error:
+ return NULL;
+}
+
+static
+struct declaration *ctf_declaration_variant_visit(FILE *fd,
+ int depth, const char *name, const char *choice,
+ struct bt_list_head *declaration_list,
+ int has_body, struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct declaration_untagged_variant *untagged_variant_declaration;
+ struct declaration_variant *variant_declaration;
+ struct ctf_node *iter;
+ int ret;
+
+ /*
+ * For named variant (without body), lookup in
+ * declaration scope. Don't take reference on variant
+ * declaration: ref is only taken upon definition.
+ */
+ if (!has_body) {
+ assert(name);
+ untagged_variant_declaration =
+ lookup_variant_declaration(g_quark_from_string(name),
+ declaration_scope);
+ } else {
+ /* For unnamed variant, create type */
+ /* For named variant (with body), create type and add to declaration scope */
+ if (name) {
+ if (lookup_variant_declaration(g_quark_from_string(name),
+ declaration_scope)) {
+
+ fprintf(fd, "[error] %s: variant %s already declared in scope\n", __func__, name);
+ return NULL;
+ }
+ }
+ untagged_variant_declaration = untagged_variant_declaration_new(declaration_scope);
+ bt_list_for_each_entry(iter, declaration_list, siblings) {
+ ret = ctf_variant_declaration_list_visit(fd, depth + 1, iter,
+ untagged_variant_declaration, trace);
+ if (ret)
+ goto error;
+ }
+ if (name) {
+ ret = register_variant_declaration(g_quark_from_string(name),
+ untagged_variant_declaration,
+ declaration_scope);
+ assert(!ret);
+ }
+ }
+ /*
+ * if tagged, create tagged variant and return. else return
+ * untagged variant.
+ */
+ if (!choice) {
+ return &untagged_variant_declaration->p;
+ } else {
+ variant_declaration = variant_declaration_new(untagged_variant_declaration, choice);
+ if (!variant_declaration)
+ goto error;
+ declaration_unref(&untagged_variant_declaration->p);
+ return &variant_declaration->p;
+ }
+error:
+ untagged_variant_declaration->p.declaration_free(&untagged_variant_declaration->p);
+ return NULL;
+}
+
+static
+int ctf_enumerator_list_visit(FILE *fd, int depth,
+ struct ctf_node *enumerator,
+ struct declaration_enum *enum_declaration)
+{
+ GQuark q;
+ struct ctf_node *iter;
+
+ q = g_quark_from_string(enumerator->u.enumerator.id);
+ if (enum_declaration->integer_declaration->signedness) {
+ int64_t start, end;
+ int nr_vals = 0;
+
+ bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) {
+ int64_t *target;
+
+ assert(iter->type == NODE_UNARY_EXPRESSION);
+ if (nr_vals == 0)
+ target = &start;
+ else
+ target = &end;
+
+ switch (iter->u.unary_expression.type) {
+ case UNARY_SIGNED_CONSTANT:
+ *target = iter->u.unary_expression.u.signed_constant;
+ break;
+ case UNARY_UNSIGNED_CONSTANT:
+ *target = iter->u.unary_expression.u.unsigned_constant;
+ break;
+ default:
+ fprintf(fd, "[error] %s: invalid enumerator\n", __func__);
+ return -EINVAL;
+ }
+ if (nr_vals > 1) {
+ fprintf(fd, "[error] %s: invalid enumerator\n", __func__);
+ return -EINVAL;
+ }
+ nr_vals++;
+ }
+ if (nr_vals == 1)
+ end = start;
+ enum_signed_insert(enum_declaration, start, end, q);
+ } else {
+ uint64_t start, end;
+ int nr_vals = 0;
+
+ bt_list_for_each_entry(iter, &enumerator->u.enumerator.values, siblings) {
+ uint64_t *target;
+
+ assert(iter->type == NODE_UNARY_EXPRESSION);
+ if (nr_vals == 0)
+ target = &start;
+ else
+ target = &end;
+
+ switch (iter->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ *target = iter->u.unary_expression.u.unsigned_constant;
+ break;
+ case UNARY_SIGNED_CONSTANT:
+ /*
+ * We don't accept signed constants for enums with unsigned
+ * container type.
+ */
+ fprintf(fd, "[error] %s: invalid enumerator (signed constant encountered, but enum container type is unsigned)\n", __func__);
+ return -EINVAL;
+ default:
+ fprintf(fd, "[error] %s: invalid enumerator\n", __func__);
+ return -EINVAL;
+ }
+ if (nr_vals > 1) {
+ fprintf(fd, "[error] %s: invalid enumerator\n", __func__);
+ return -EINVAL;
+ }
+ nr_vals++;
+ }
+ if (nr_vals == 1)
+ end = start;
+ enum_unsigned_insert(enum_declaration, start, end, q);
+ }
+ return 0;
+}
+
+static
+struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
+ const char *name,
+ struct ctf_node *container_type,
+ struct bt_list_head *enumerator_list,
+ int has_body,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct declaration *declaration;
+ struct declaration_enum *enum_declaration;
+ struct declaration_integer *integer_declaration;
+ struct ctf_node *iter;
+ GQuark dummy_id;
+ int ret;
+
+ /*
+ * For named enum (without body), lookup in
+ * declaration scope. Don't take reference on enum
+ * declaration: ref is only taken upon definition.
+ */
+ if (!has_body) {
+ assert(name);
+ enum_declaration =
+ lookup_enum_declaration(g_quark_from_string(name),
+ declaration_scope);
+ return &enum_declaration->p;
+ } else {
+ /* For unnamed enum, create type */
+ /* For named enum (with body), create type and add to declaration scope */
+ if (name) {
+ if (lookup_enum_declaration(g_quark_from_string(name),
+ declaration_scope)) {
+
+ fprintf(fd, "[error] %s: enum %s already declared in scope\n", __func__, name);
+ return NULL;
+ }
+ }
+ if (!container_type) {
+ declaration = lookup_declaration(g_quark_from_static_string("int"),
+ declaration_scope);
+ if (!declaration) {
+ fprintf(fd, "[error] %s: \"int\" type declaration missing for enumeration\n", __func__);
+ return NULL;
+ }
+ } else {
+ declaration = ctf_type_declarator_visit(fd, depth,
+ container_type,
+ &dummy_id, NULL,
+ declaration_scope,
+ NULL, trace);
+ }
+ if (!declaration) {
+ fprintf(fd, "[error] %s: unable to create container type for enumeration\n", __func__);
+ return NULL;
+ }
+ if (declaration->id != CTF_TYPE_INTEGER) {
+ fprintf(fd, "[error] %s: container type for enumeration is not integer\n", __func__);
+ return NULL;
+ }
+ integer_declaration = container_of(declaration, struct declaration_integer, p);
+ enum_declaration = enum_declaration_new(integer_declaration);
+ declaration_unref(&integer_declaration->p); /* leave ref to enum */
+ bt_list_for_each_entry(iter, enumerator_list, siblings) {
+ ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration);
+ if (ret)
+ goto error;
+ }
+ if (name) {
+ ret = register_enum_declaration(g_quark_from_string(name),
+ enum_declaration,
+ declaration_scope);
+ assert(!ret);
+ }
+ return &enum_declaration->p;
+ }
+error:
+ enum_declaration->p.declaration_free(&enum_declaration->p);
+ return NULL;
+}
+
+static
+struct declaration *ctf_declaration_type_specifier_visit(FILE *fd, int depth,
+ struct ctf_node *type_specifier_list,
+ struct declaration_scope *declaration_scope)
+{
+ GString *str;
+ struct declaration *declaration;
+ char *str_c;
+ int ret;
+ GQuark id_q;
+
+ str = g_string_new("");
+ ret = visit_type_specifier_list(fd, type_specifier_list, str);
+ if (ret)
+ return NULL;
+ str_c = g_string_free(str, FALSE);
+ id_q = g_quark_from_string(str_c);
+ g_free(str_c);
+ declaration = lookup_declaration(id_q, declaration_scope);
+ return declaration;
+}
+
+/*
+ * Returns 0/1 boolean, or < 0 on error.
+ */
+static
+int get_boolean(FILE *fd, int depth, struct ctf_node *unary_expression)
+{
+ if (unary_expression->type != NODE_UNARY_EXPRESSION) {
+ fprintf(fd, "[error] %s: expecting unary expression\n",
+ __func__);
+ return -EINVAL;
+ }
+ switch (unary_expression->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ if (unary_expression->u.unary_expression.u.unsigned_constant == 0)
+ return 0;
+ else
+ return 1;
+ case UNARY_SIGNED_CONSTANT:
+ if (unary_expression->u.unary_expression.u.signed_constant == 0)
+ return 0;
+ else
+ return 1;
+ case UNARY_STRING:
+ if (!strcmp(unary_expression->u.unary_expression.u.string, "true"))
+ return 1;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "TRUE"))
+ return 1;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "false"))
+ return 0;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "FALSE"))
+ return 0;
+ else {
+ fprintf(fd, "[error] %s: unexpected string \"%s\"\n",
+ __func__, unary_expression->u.unary_expression.u.string);
+ return -EINVAL;
+ }
+ break;
+ default:
+ fprintf(fd, "[error] %s: unexpected unary expression type\n",
+ __func__);
+ return -EINVAL;
+ }
+
+}
+
+static
+int get_trace_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression)
+{
+ int byte_order;
+
+ if (unary_expression->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: byte_order: expecting string\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (!strcmp(unary_expression->u.unary_expression.u.string, "be"))
+ byte_order = BIG_ENDIAN;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "le"))
+ byte_order = LITTLE_ENDIAN;
+ else {
+ fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
+ __func__, unary_expression->u.unary_expression.u.string);
+ return -EINVAL;
+ }
+ return byte_order;
+}
+
+static
+int get_byte_order(FILE *fd, int depth, struct ctf_node *unary_expression,
+ struct ctf_trace *trace)
+{
+ int byte_order;
+
+ if (unary_expression->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: byte_order: expecting string\n",
+ __func__);
+ return -EINVAL;
+ }
+ if (!strcmp(unary_expression->u.unary_expression.u.string, "native"))
+ byte_order = trace->byte_order;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "network"))
+ byte_order = BIG_ENDIAN;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "be"))
+ byte_order = BIG_ENDIAN;
+ else if (!strcmp(unary_expression->u.unary_expression.u.string, "le"))
+ byte_order = LITTLE_ENDIAN;
+ else {
+ fprintf(fd, "[error] %s: unexpected string \"%s\". Should be \"native\", \"network\", \"be\" or \"le\".\n",
+ __func__, unary_expression->u.unary_expression.u.string);
+ return -EINVAL;
+ }
+ return byte_order;
+}
+
+static
+struct declaration *ctf_declaration_integer_visit(FILE *fd, int depth,
+ struct bt_list_head *expressions,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *expression;
+ uint64_t alignment = 1, size = 0;
+ int byte_order = trace->byte_order;
+ int signedness = 0;
+ int has_alignment = 0, has_size = 0;
+ int base = 0;
+ enum ctf_string_encoding encoding = CTF_STRING_NONE;
+ struct ctf_clock *clock = NULL;
+ struct declaration_integer *integer_declaration;
+
+ bt_list_for_each_entry(expression, expressions, siblings) {
+ struct ctf_node *left, *right;
+
+ left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings);
+ right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings);
+ assert(left->u.unary_expression.type == UNARY_STRING);
+ if (!strcmp(left->u.unary_expression.u.string, "signed")) {
+ signedness = get_boolean(fd, depth, right);
+ if (signedness < 0)
+ return NULL;
+ } else if (!strcmp(left->u.unary_expression.u.string, "byte_order")) {
+ byte_order = get_byte_order(fd, depth, right, trace);
+ if (byte_order < 0)
+ return NULL;
+ } else if (!strcmp(left->u.unary_expression.u.string, "size")) {
+ if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
+ fprintf(fd, "[error] %s: size: expecting unsigned constant\n",
+ __func__);
+ return NULL;
+ }
+ size = right->u.unary_expression.u.unsigned_constant;
+ has_size = 1;
+ } else if (!strcmp(left->u.unary_expression.u.string, "align")) {
+ if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
+ fprintf(fd, "[error] %s: align: expecting unsigned constant\n",
+ __func__);
+ return NULL;
+ }
+ alignment = right->u.unary_expression.u.unsigned_constant;
+ /* Make sure alignment is a power of two */
+ if (alignment == 0 || (alignment & (alignment - 1)) != 0) {
+ fprintf(fd, "[error] %s: align: expecting power of two\n",
+ __func__);
+ return NULL;
+ }
+ has_alignment = 1;
+ } else if (!strcmp(left->u.unary_expression.u.string, "base")) {
+ switch (right->u.unary_expression.type) {
+ case UNARY_UNSIGNED_CONSTANT:
+ switch (right->u.unary_expression.u.unsigned_constant) {
+ case 2:
+ case 8:
+ case 10:
+ case 16:
+ base = right->u.unary_expression.u.unsigned_constant;
+ break;
+ default:
+ fprintf(fd, "[error] %s: base not supported (%" PRIu64 ")\n",
+ __func__, right->u.unary_expression.u.unsigned_constant);
+ return NULL;
+ }
+ break;
+ case UNARY_STRING:
+ {
+ char *s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ if (!strcmp(s_right, "decimal") || !strcmp(s_right, "dec") || !strcmp(s_right, "d")
+ || !strcmp(s_right, "i") || !strcmp(s_right, "u")) {
+ base = 10;
+ } else if (!strcmp(s_right, "hexadecimal") || !strcmp(s_right, "hex")
+ || !strcmp(s_right, "x") || !strcmp(s_right, "X")
+ || !strcmp(s_right, "p")) {
+ base = 16;
+ } else if (!strcmp(s_right, "octal") || !strcmp(s_right, "oct")
+ || !strcmp(s_right, "o")) {
+ base = 8;
+ } else if (!strcmp(s_right, "binary") || !strcmp(s_right, "b")) {
+ base = 2;
+ } else {
+ fprintf(fd, "[error] %s: unexpected expression for integer base (%s)\n", __func__, s_right);
+ g_free(s_right);
+ return NULL;
+ }
+
+ g_free(s_right);
+ break;
+ }
+ default:
+ fprintf(fd, "[error] %s: base: expecting unsigned constant or unary string\n",
+ __func__);
+ return NULL;
+ }
+ } else if (!strcmp(left->u.unary_expression.u.string, "encoding")) {
+ char *s_right;
+
+ if (right->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: encoding: expecting unary string\n",
+ __func__);
+ return NULL;
+ }
+ s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer base\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ if (!strcmp(s_right, "UTF8")
+ || !strcmp(s_right, "utf8")
+ || !strcmp(s_right, "utf-8")
+ || !strcmp(s_right, "UTF-8"))
+ encoding = CTF_STRING_UTF8;
+ else if (!strcmp(s_right, "ASCII")
+ || !strcmp(s_right, "ascii"))
+ encoding = CTF_STRING_ASCII;
+ else if (!strcmp(s_right, "none"))
+ encoding = CTF_STRING_NONE;
+ else {
+ fprintf(fd, "[error] %s: unknown string encoding \"%s\"\n", __func__, s_right);
+ g_free(s_right);
+ return NULL;
+ }
+ g_free(s_right);
+ } else if (!strcmp(left->u.unary_expression.u.string, "map")) {
+ GQuark clock_name;
+
+ if (right->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: map: expecting identifier\n",
+ __func__);
+ return NULL;
+ }
+ /* currently only support clock.name.value */
+ clock_name = get_map_clock_name_value(&expression->u.ctf_expression.right);
+ if (!clock_name) {
+ char *s_right;
+
+ s_right = concatenate_unary_strings(&expression->u.ctf_expression.right);
+ if (!s_right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for integer map\n", __func__);
+ g_free(s_right);
+ return NULL;
+ }
+ fprintf(fd, "[warning] %s: unknown map %s in integer declaration\n", __func__,
+ s_right);
+ g_free(s_right);
+ continue;
+ }
+ clock = trace_clock_lookup(trace, clock_name);
+ if (!clock) {
+ fprintf(fd, "[error] %s: map: unable to find clock %s declaration\n",
+ __func__, g_quark_to_string(clock_name));
+ return NULL;
+ }
+ } else {
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
+ __func__, left->u.unary_expression.u.string);
+ /* Fall-through after warning */
+ }
+ }
+ if (!has_size) {
+ fprintf(fd, "[error] %s: missing size attribute\n", __func__);
+ return NULL;
+ }
+ if (!has_alignment) {
+ if (size % CHAR_BIT) {
+ /* bit-packed alignment */
+ alignment = 1;
+ } else {
+ /* byte-packed alignment */
+ alignment = CHAR_BIT;
+ }
+ }
+ integer_declaration = integer_declaration_new(size,
+ byte_order, signedness, alignment,
+ base, encoding, clock);
+ return &integer_declaration->p;
+}
+
+static
+struct declaration *ctf_declaration_floating_point_visit(FILE *fd, int depth,
+ struct bt_list_head *expressions,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *expression;
+ uint64_t alignment = 1, exp_dig = 0, mant_dig = 0,
+ byte_order = trace->byte_order;
+ int has_alignment = 0, has_exp_dig = 0, has_mant_dig = 0;
+ struct declaration_float *float_declaration;
+
+ bt_list_for_each_entry(expression, expressions, siblings) {
+ struct ctf_node *left, *right;
+
+ left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings);
+ right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings);
+ assert(left->u.unary_expression.type == UNARY_STRING);
+ if (!strcmp(left->u.unary_expression.u.string, "byte_order")) {
+ byte_order = get_byte_order(fd, depth, right, trace);
+ if (byte_order < 0)
+ return NULL;
+ } else if (!strcmp(left->u.unary_expression.u.string, "exp_dig")) {
+ if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
+ fprintf(fd, "[error] %s: exp_dig: expecting unsigned constant\n",
+ __func__);
+ return NULL;
+ }
+ exp_dig = right->u.unary_expression.u.unsigned_constant;
+ has_exp_dig = 1;
+ } else if (!strcmp(left->u.unary_expression.u.string, "mant_dig")) {
+ if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
+ fprintf(fd, "[error] %s: mant_dig: expecting unsigned constant\n",
+ __func__);
+ return NULL;
+ }
+ mant_dig = right->u.unary_expression.u.unsigned_constant;
+ has_mant_dig = 1;
+ } else if (!strcmp(left->u.unary_expression.u.string, "align")) {
+ if (right->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT) {
+ fprintf(fd, "[error] %s: align: expecting unsigned constant\n",
+ __func__);
+ return NULL;
+ }
+ alignment = right->u.unary_expression.u.unsigned_constant;
+ /* Make sure alignment is a power of two */
+ if (alignment == 0 || (alignment & (alignment - 1)) != 0) {
+ fprintf(fd, "[error] %s: align: expecting power of two\n",
+ __func__);
+ return NULL;
+ }
+ has_alignment = 1;
+ } else {
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
+ __func__, left->u.unary_expression.u.string);
+ /* Fall-through after warning */
+ }
+ }
+ if (!has_mant_dig) {
+ fprintf(fd, "[error] %s: missing mant_dig attribute\n", __func__);
+ return NULL;
+ }
+ if (!has_exp_dig) {
+ fprintf(fd, "[error] %s: missing exp_dig attribute\n", __func__);
+ return NULL;
+ }
+ if (!has_alignment) {
+ if ((mant_dig + exp_dig) % CHAR_BIT) {
+ /* bit-packed alignment */
+ alignment = 1;
+ } else {
+ /* byte-packed alignment */
+ alignment = CHAR_BIT;
+ }
+ }
+ float_declaration = float_declaration_new(mant_dig, exp_dig,
+ byte_order, alignment);
+ return &float_declaration->p;
+}
+
+static
+struct declaration *ctf_declaration_string_visit(FILE *fd, int depth,
+ struct bt_list_head *expressions,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *expression;
+ const char *encoding_c = NULL;
+ enum ctf_string_encoding encoding = CTF_STRING_UTF8;
+ struct declaration_string *string_declaration;
+
+ bt_list_for_each_entry(expression, expressions, siblings) {
+ struct ctf_node *left, *right;
+
+ left = _bt_list_first_entry(&expression->u.ctf_expression.left, struct ctf_node, siblings);
+ right = _bt_list_first_entry(&expression->u.ctf_expression.right, struct ctf_node, siblings);
+ assert(left->u.unary_expression.type == UNARY_STRING);
+ if (!strcmp(left->u.unary_expression.u.string, "encoding")) {
+ if (right->u.unary_expression.type != UNARY_STRING) {
+ fprintf(fd, "[error] %s: encoding: expecting string\n",
+ __func__);
+ return NULL;
+ }
+ encoding_c = right->u.unary_expression.u.string;
+ } else {
+ fprintf(fd, "[warning] %s: unknown attribute name %s\n",
+ __func__, left->u.unary_expression.u.string);
+ /* Fall-through after warning */
+ }
+ }
+ if (encoding_c && !strcmp(encoding_c, "ASCII"))
+ encoding = CTF_STRING_ASCII;
+ string_declaration = string_declaration_new(encoding);
+ return &string_declaration->p;
+}
+
+
+static
+struct declaration *ctf_type_specifier_list_visit(FILE *fd,
+ int depth, struct ctf_node *type_specifier_list,
+ struct declaration_scope *declaration_scope,
+ struct ctf_trace *trace)
+{
+ struct ctf_node *first;
+ struct ctf_node *node;
+
+ assert(type_specifier_list->type == NODE_TYPE_SPECIFIER_LIST);
+
+ first = _bt_list_first_entry(&type_specifier_list->u.type_specifier_list.head, struct ctf_node, siblings);
+
+ assert(first->type == NODE_TYPE_SPECIFIER);
+
+ node = first->u.type_specifier.node;
+
+ switch (first->u.type_specifier.type) {
+ case TYPESPEC_FLOATING_POINT:
+ return ctf_declaration_floating_point_visit(fd, depth,
+ &node->u.floating_point.expressions, trace);
+ case TYPESPEC_INTEGER:
+ return ctf_declaration_integer_visit(fd, depth,
+ &node->u.integer.expressions, trace);
+ case TYPESPEC_STRING:
+ return ctf_declaration_string_visit(fd, depth,
+ &node->u.string.expressions, trace);
+ case TYPESPEC_STRUCT:
+ return ctf_declaration_struct_visit(fd, depth,
+ node->u._struct.name,
+ &node->u._struct.declaration_list,
+ node->u._struct.has_body,
+ &node->u._struct.min_align,
+ declaration_scope,
+ trace);
+ case TYPESPEC_VARIANT:
+ return ctf_declaration_variant_visit(fd, depth,
+ node->u.variant.name,
+ node->u.variant.choice,
+ &node->u.variant.declaration_list,
+ node->u.variant.has_body,
+ declaration_scope,
+ trace);
+ case TYPESPEC_ENUM:
+ return ctf_declaration_enum_visit(fd, depth,
+ node->u._enum.enum_id,
+ node->u._enum.container_type,
+ &node->u._enum.enumerator_list,
+ node->u._enum.has_body,
+ declaration_scope,
+ trace);
+
+ case TYPESPEC_VOID:
+ case TYPESPEC_CHAR:
+ case TYPESPEC_SHORT:
+ case TYPESPEC_INT:
+ case TYPESPEC_LONG:
+ case TYPESPEC_FLOAT:
+ case TYPESPEC_DOUBLE:
+ case TYPESPEC_SIGNED:
+ case TYPESPEC_UNSIGNED:
+ case TYPESPEC_BOOL:
+ case TYPESPEC_COMPLEX:
+ case TYPESPEC_IMAGINARY:
+ case TYPESPEC_CONST:
+ case TYPESPEC_ID_TYPE:
+ return ctf_declaration_type_specifier_visit(fd, depth,
+ type_specifier_list, declaration_scope);
+ default:
+ fprintf(fd, "[error] %s: unexpected node type %d\n", __func__, (int) first->u.type_specifier.type);
+ return NULL;
+ }
+}
+
+static
+int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event_declaration *event, struct ctf_trace *trace)
+{
+ int ret = 0;
+
+ switch (node->type) {
+ case NODE_TYPEDEF:
+ ret = ctf_typedef_visit(fd, depth + 1,
+ event->declaration_scope,
+ node->u._typedef.type_specifier_list,
+ &node->u._typedef.type_declarators,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_TYPEALIAS:
+ ret = ctf_typealias_visit(fd, depth + 1,
+ event->declaration_scope,
+ node->u.typealias.target, node->u.typealias.alias,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "name")) {
+ char *right;
+
+ if (CTF_EVENT_FIELD_IS_SET(event, name)) {
+ fprintf(fd, "[error] %s: name already declared in event declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for event name\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ event->name = g_quark_from_string(right);
+ g_free(right);
+ CTF_EVENT_SET_FIELD(event, name);
+ } else if (!strcmp(left, "id")) {
+ if (CTF_EVENT_FIELD_IS_SET(event, id)) {
+ fprintf(fd, "[error] %s: id already declared in event declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->id);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for event id\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_EVENT_SET_FIELD(event, id);
+ } else if (!strcmp(left, "stream_id")) {
+ if (CTF_EVENT_FIELD_IS_SET(event, stream_id)) {
+ fprintf(fd, "[error] %s: stream_id already declared in event declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for event stream_id\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ event->stream = trace_stream_lookup(trace, event->stream_id);
+ if (!event->stream) {
+ fprintf(fd, "[error] %s: stream id %" PRIu64 " cannot be found\n", __func__, event->stream_id);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_EVENT_SET_FIELD(event, stream_id);
+ } else if (!strcmp(left, "context")) {
+ struct declaration *declaration;
+
+ if (event->context_decl) {
+ fprintf(fd, "[error] %s: context already declared in event declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ event->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ event->context_decl = container_of(declaration, struct declaration_struct, p);
+ } else if (!strcmp(left, "fields")) {
+ struct declaration *declaration;
+
+ if (event->fields_decl) {
+ fprintf(fd, "[error] %s: fields already declared in event declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ event->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ event->fields_decl = container_of(declaration, struct declaration_struct, p);
+ } else if (!strcmp(left, "loglevel")) {
+ int64_t loglevel = -1;
+
+ if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) {
+ fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ event->loglevel = (int) loglevel;
+ CTF_EVENT_SET_FIELD(event, loglevel);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left);
+ /* Fall-through after warning */
+ }
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+ struct ctf_event_declaration *event;
+
+ event = g_new0(struct ctf_event_declaration, 1);
+ event->declaration_scope = new_declaration_scope(parent_declaration_scope);
+ event->loglevel = -1;
+ bt_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) {
+ ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace);
+ if (ret)
+ goto error;
+ }
+ if (!CTF_EVENT_FIELD_IS_SET(event, name)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing name field in event declaration\n", __func__);
+ goto error;
+ }
+ if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) {
+ /* Allow missing stream_id if there is only a single stream */
+ switch (trace->streams->len) {
+ case 0: /* Create stream if there was none. */
+ ret = ctf_stream_visit(fd, depth, NULL, trace->root_declaration_scope, trace);
+ if (ret)
+ goto error;
+ /* Fall-through */
+ case 1:
+ event->stream_id = 0;
+ event->stream = trace_stream_lookup(trace, event->stream_id);
+ break;
+ default:
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing stream_id field in event declaration\n", __func__);
+ goto error;
+ }
+ }
+ /* Allow only one event without id per stream */
+ if (!CTF_EVENT_FIELD_IS_SET(event, id)
+ && event->stream->events_by_id->len != 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing id field in event declaration\n", __func__);
+ goto error;
+ }
+ if (event->stream->events_by_id->len <= event->id)
+ g_ptr_array_set_size(event->stream->events_by_id, event->id + 1);
+ g_ptr_array_index(event->stream->events_by_id, event->id) = event;
+ g_hash_table_insert(event->stream->event_quark_to_id,
+ (gpointer) (unsigned long) event->name,
+ &event->id);
+ return 0;
+
+error:
+ if (event->fields_decl)
+ declaration_unref(&event->fields_decl->p);
+ if (event->context_decl)
+ declaration_unref(&event->context_decl->p);
+ free_declaration_scope(event->declaration_scope);
+ g_free(event);
+ return ret;
}
+
static
-int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
- struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace)
+int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_declaration *stream, struct ctf_trace *trace)
+{
+ int ret = 0;
+
+ switch (node->type) {
+ case NODE_TYPEDEF:
+ ret = ctf_typedef_visit(fd, depth + 1,
+ stream->declaration_scope,
+ node->u._typedef.type_specifier_list,
+ &node->u._typedef.type_declarators,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_TYPEALIAS:
+ ret = ctf_typealias_visit(fd, depth + 1,
+ stream->declaration_scope,
+ node->u.typealias.target, node->u.typealias.alias,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "id")) {
+ if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) {
+ fprintf(fd, "[error] %s: id already declared in stream declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &stream->stream_id);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for stream id\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_STREAM_SET_FIELD(stream, stream_id);
+ } else if (!strcmp(left, "event.header")) {
+ struct declaration *declaration;
+
+ if (stream->event_header_decl) {
+ fprintf(fd, "[error] %s: event.header already declared in stream declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ stream->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ stream->event_header_decl = container_of(declaration, struct declaration_struct, p);
+ } else if (!strcmp(left, "event.context")) {
+ struct declaration *declaration;
+
+ if (stream->event_context_decl) {
+ fprintf(fd, "[error] %s: event.context already declared in stream declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ stream->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ stream->event_context_decl = container_of(declaration, struct declaration_struct, p);
+ } else if (!strcmp(left, "packet.context")) {
+ struct declaration *declaration;
+
+ if (stream->packet_context_decl) {
+ fprintf(fd, "[error] %s: packet.context already declared in stream declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ stream->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ stream->packet_context_decl = container_of(declaration, struct declaration_struct, p);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in stream declaration.\n", __func__, left);
+ /* Fall-through after warning */
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace)
{
int ret = 0;
struct ctf_node *iter;
- struct ctf_event *event;
- struct definition_scope *parent_def_scope;
+ struct ctf_stream_declaration *stream;
- event = g_new0(struct ctf_event, 1);
- event->declaration_scope = new_declaration_scope(parent_declaration_scope);
- cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) {
- ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace);
+ stream = g_new0(struct ctf_stream_declaration, 1);
+ stream->declaration_scope = new_declaration_scope(parent_declaration_scope);
+ stream->events_by_id = g_ptr_array_new();
+ stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal);
+ stream->streams = g_ptr_array_new();
+ if (node) {
+ bt_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) {
+ ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace);
+ if (ret)
+ goto error;
+ }
+ }
+ if (CTF_STREAM_FIELD_IS_SET(stream, stream_id)) {
+ /* check that packet header has stream_id field. */
+ if (!trace->packet_header_decl
+ || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("stream_id")) < 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing stream_id field in packet header declaration, but stream_id attribute is declared for stream.\n", __func__);
+ goto error;
+ }
+ } else {
+ /* Allow only one id-less stream */
+ if (trace->streams->len != 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing id field in stream declaration\n", __func__);
+ goto error;
+ }
+ stream->stream_id = 0;
+ }
+ if (trace->streams->len <= stream->stream_id)
+ g_ptr_array_set_size(trace->streams, stream->stream_id + 1);
+ g_ptr_array_index(trace->streams, stream->stream_id) = stream;
+ stream->trace = trace;
+
+ return 0;
+
+error:
+ if (stream->event_header_decl)
+ declaration_unref(&stream->event_header_decl->p);
+ if (stream->event_context_decl)
+ declaration_unref(&stream->event_context_decl->p);
+ if (stream->packet_context_decl)
+ declaration_unref(&stream->packet_context_decl->p);
+ g_ptr_array_free(stream->streams, TRUE);
+ g_ptr_array_free(stream->events_by_id, TRUE);
+ g_hash_table_destroy(stream->event_quark_to_id);
+ free_declaration_scope(stream->declaration_scope);
+ g_free(stream);
+ return ret;
+}
+
+static
+int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+
+ switch (node->type) {
+ case NODE_TYPEDEF:
+ ret = ctf_typedef_visit(fd, depth + 1,
+ trace->declaration_scope,
+ node->u._typedef.type_specifier_list,
+ &node->u._typedef.type_declarators,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_TYPEALIAS:
+ ret = ctf_typealias_visit(fd, depth + 1,
+ trace->declaration_scope,
+ node->u.typealias.target, node->u.typealias.alias,
+ trace);
+ if (ret)
+ return ret;
+ break;
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "major")) {
+ if (CTF_TRACE_FIELD_IS_SET(trace, major)) {
+ fprintf(fd, "[error] %s: major already declared in trace declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for trace major number\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_TRACE_SET_FIELD(trace, major);
+ } else if (!strcmp(left, "minor")) {
+ if (CTF_TRACE_FIELD_IS_SET(trace, minor)) {
+ fprintf(fd, "[error] %s: minor already declared in trace declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for trace minor number\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_TRACE_SET_FIELD(trace, minor);
+ } else if (!strcmp(left, "uuid")) {
+ unsigned char uuid[BABELTRACE_UUID_LEN];
+
+ ret = get_unary_uuid(&node->u.ctf_expression.right, uuid);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ if (CTF_TRACE_FIELD_IS_SET(trace, uuid)
+ && babeltrace_uuid_compare(uuid, trace->uuid)) {
+ fprintf(fd, "[error] %s: uuid mismatch\n", __func__);
+ ret = -EPERM;
+ goto error;
+ } else {
+ memcpy(trace->uuid, uuid, sizeof(uuid));
+ }
+ CTF_TRACE_SET_FIELD(trace, uuid);
+ } else if (!strcmp(left, "byte_order")) {
+ struct ctf_node *right;
+ int byte_order;
+
+ right = _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings);
+ byte_order = get_trace_byte_order(fd, depth, right);
+ if (byte_order < 0)
+ return -EINVAL;
+
+ if (CTF_TRACE_FIELD_IS_SET(trace, byte_order)
+ && byte_order != trace->byte_order) {
+ fprintf(fd, "[error] %s: endianness mismatch\n", __func__);
+ ret = -EPERM;
+ goto error;
+ } else {
+ if (byte_order != trace->byte_order) {
+ trace->byte_order = byte_order;
+ /*
+ * We need to restart
+ * construction of the
+ * intermediate representation.
+ */
+ trace->field_mask = 0;
+ CTF_TRACE_SET_FIELD(trace, byte_order);
+ ret = -EINTR;
+ goto error;
+ }
+ }
+ CTF_TRACE_SET_FIELD(trace, byte_order);
+ } else if (!strcmp(left, "packet.header")) {
+ struct declaration *declaration;
+
+ if (trace->packet_header_decl) {
+ fprintf(fd, "[error] %s: packet.header already declared in trace declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ declaration = ctf_type_specifier_list_visit(fd, depth,
+ _bt_list_first_entry(&node->u.ctf_expression.right,
+ struct ctf_node, siblings),
+ trace->declaration_scope, trace);
+ if (!declaration) {
+ ret = -EPERM;
+ goto error;
+ }
+ if (declaration->id != CTF_TYPE_STRUCT) {
+ ret = -EPERM;
+ goto error;
+ }
+ trace->packet_header_decl = container_of(declaration, struct declaration_struct, p);
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in trace declaration.\n", __func__, left);
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+
+ if (trace->declaration_scope)
+ return -EEXIST;
+ trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope);
+ trace->streams = g_ptr_array_new();
+ bt_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) {
+ ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace);
if (ret)
goto error;
}
- if (!CTF_EVENT_FIELD_IS_SET(event, name)) {
+ if (!CTF_TRACE_FIELD_IS_SET(trace, major)) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing major field in trace declaration\n", __func__);
+ goto error;
+ }
+ if (!CTF_TRACE_FIELD_IS_SET(trace, minor)) {
ret = -EPERM;
+ fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__);
goto error;
}
- if (!CTF_EVENT_FIELD_IS_SET(event, id)) {
+ if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) {
ret = -EPERM;
+ fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__);
goto error;
}
- if (!CTF_EVENT_FIELD_IS_SET(event, stream_id)) {
+
+ if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) {
+ /* check that the packet header contains a "magic" field */
+ if (!trace->packet_header_decl
+ || struct_declaration_lookup_field_index(trace->packet_header_decl, g_quark_from_static_string("magic")) < 0) {
+ ret = -EPERM;
+ fprintf(fd, "[error] %s: missing both byte_order and packet header magic number in trace declaration\n", __func__);
+ goto error;
+ }
+ }
+ return 0;
+
+error:
+ if (trace->packet_header_decl) {
+ declaration_unref(&trace->packet_header_decl->p);
+ trace->packet_header_decl = NULL;
+ }
+ g_ptr_array_free(trace->streams, TRUE);
+ free_declaration_scope(trace->declaration_scope);
+ trace->declaration_scope = NULL;
+ return ret;
+}
+
+static
+int ctf_clock_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_clock *clock, struct ctf_trace *trace)
+{
+ int ret = 0;
+
+ switch (node->type) {
+ case NODE_CTF_EXPRESSION:
+ {
+ char *left;
+
+ left = concatenate_unary_strings(&node->u.ctf_expression.left);
+ if (!strcmp(left, "name")) {
+ char *right;
+
+ if (CTF_CLOCK_FIELD_IS_SET(clock, name)) {
+ fprintf(fd, "[error] %s: name already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock name\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->name = g_quark_from_string(right);
+ g_free(right);
+ CTF_CLOCK_SET_FIELD(clock, name);
+ } else if (!strcmp(left, "uuid")) {
+ char *right;
+
+ if (clock->uuid) {
+ fprintf(fd, "[error] %s: uuid already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock uuid\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->uuid = g_quark_from_string(right);
+ g_free(right);
+ } else if (!strcmp(left, "description")) {
+ char *right;
+
+ if (clock->description) {
+ fprintf(fd, "[warning] %s: duplicated clock description\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for clock description\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ clock->description = right;
+ } else if (!strcmp(left, "freq")) {
+ if (CTF_CLOCK_FIELD_IS_SET(clock, freq)) {
+ fprintf(fd, "[error] %s: freq already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->freq);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock freq\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ CTF_CLOCK_SET_FIELD(clock, freq);
+ } else if (!strcmp(left, "precision")) {
+ if (clock->precision) {
+ fprintf(fd, "[error] %s: precision already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->precision);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock precision\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "offset_s")) {
+ if (clock->offset_s) {
+ fprintf(fd, "[error] %s: offset_s already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset_s);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock offset_s\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "offset")) {
+ if (clock->offset) {
+ fprintf(fd, "[error] %s: offset already declared in clock declaration\n", __func__);
+ ret = -EPERM;
+ goto error;
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &clock->offset);
+ if (ret) {
+ fprintf(fd, "[error] %s: unexpected unary expression for clock offset\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ } else if (!strcmp(left, "absolute")) {
+ struct ctf_node *right;
+
+ right = _bt_list_first_entry(&node->u.ctf_expression.right, struct ctf_node, siblings);
+ ret = get_boolean(fd, depth, right);
+ if (ret < 0) {
+ fprintf(fd, "[error] %s: unexpected \"absolute\" right member\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ clock->absolute = ret;
+ } else {
+ fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in clock declaration.\n", __func__, left);
+ }
+
+error:
+ g_free(left);
+ break;
+ }
+ default:
+ return -EPERM;
+ /* TODO: declaration specifier should be added. */
+ }
+
+ return ret;
+}
+
+static
+int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+ int ret = 0;
+ struct ctf_node *iter;
+ struct ctf_clock *clock;
+
+ clock = g_new0(struct ctf_clock, 1);
+ /* Default clock frequency is set to 1000000000 */
+ clock->freq = 1000000000ULL;
+ bt_list_for_each_entry(iter, &node->u.clock.declaration_list, siblings) {
+ ret = ctf_clock_declaration_visit(fd, depth + 1, iter, clock, trace);
+ if (ret)
+ goto error;
+ }
+ if (opt_clock_force_correlate) {
+ /*
+ * User requested to forcibly correlate the clock
+ * sources, even if we have no correlatation
+ * information.
+ */
+ if (!clock->absolute) {
+ fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n");
+ }
+ clock->absolute = 1;
+ }
+ if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) {
ret = -EPERM;
+ fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__);
goto error;
}
- if (event->stream->events_by_id->len <= event->id)
- g_ptr_array_set_size(event->stream->events_by_id, event->id + 1);
- g_ptr_array_index(event->stream->events_by_id, event->id) = event;
- g_hash_table_insert(event->stream->event_quark_to_id,
- (gpointer)(unsigned long) event->name,
- &event->id);
- parent_def_scope = stream->definition_scope;
- if (event->context_decl) {
- event->context =
- event->context_decl->definition_new(event->context_decl,
- parent_def_scope, 0, 0);
- set_dynamic_definition_scope(&event->context->p,
- event->context->scope,
- "event.context");
- parent_def_scope = event->context->scope;
- declaration_unref(event->context_decl);
- }
- if (event->fields_decl) {
- event->fields =
- event->fields_decl->definition_new(event->fields_decl,
- parent_def_scope, 0, 0);
- set_dynamic_definition_scope(&event->fields->p,
- event->fields->scope,
- "event.fields");
- parent_def_scope = event->fields->scope;
- declaration_unref(event->fields_decl);
+ if (g_hash_table_size(trace->clocks) > 0) {
+ fprintf(fd, "[error] Only CTF traces with a single clock description are supported by this babeltrace version.\n");
+ ret = -EINVAL;
+ goto error;
}
+ trace->single_clock = clock;
+ g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock);
return 0;
error:
- declaration_unref(event->fields_decl);
- declaration_unref(event->context_decl);
- free_definition_scope(event->definition_scope);
- free_declaration_scope(event->declaration_scope);
- g_free(event);
+ g_free(clock->description);
+ g_free(clock);
return ret;
}
-
static
-int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream *stream, struct ctf_trace *trace)
+void ctf_clock_default(FILE *fd, int depth, struct ctf_trace *trace)
+{
+ struct ctf_clock *clock;
+
+ clock = g_new0(struct ctf_clock, 1);
+ clock->name = g_quark_from_string("monotonic");
+ clock->uuid = 0;
+ clock->description = g_strdup("Default clock");
+ /* Default clock frequency is set to 1000000000 */
+ clock->freq = 1000000000ULL;
+ if (opt_clock_force_correlate) {
+ /*
+ * User requested to forcibly correlate the clock
+ * sources, even if we have no correlatation
+ * information.
+ */
+ if (!clock->absolute) {
+ fprintf(fd, "[warning] Forcibly correlating trace clock sources (--clock-force-correlate).\n");
+ }
+ clock->absolute = 1;
+ } else {
+ clock->absolute = 0; /* Not an absolute reference across traces */
+ }
+
+ trace->single_clock = clock;
+ g_hash_table_insert(trace->clocks, (gpointer) (unsigned long) clock->name, clock);
+}
+
+static
+void clock_free(gpointer data)
+{
+ struct ctf_clock *clock = data;
+
+ g_free(clock->description);
+ g_free(clock);
+}
+
+static
+int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_trace *trace)
{
int ret = 0;
+ struct ctf_tracer_env *env = &trace->env;
switch (node->type) {
- case NODE_TYPEDEF:
- ret = ctf_typedef_visit(fd, depth + 1,
- &node->u._typedef.declaration_specifier,
- &node->u._typedef.type_declarators,
- stream->declaration_scope);
- if (ret)
- return ret;
- break;
- case NODE_TYPEALIAS:
- ret = ctf_typealias_visit(fd, depth + 1,
- &node->u.typealias.target, &node->u.typealias.alias
- stream->declaration_scope);
- if (ret)
- return ret;
- break;
case NODE_CTF_EXPRESSION:
{
char *left;
left = concatenate_unary_strings(&node->u.ctf_expression.left);
- if (!strcmp(left, "stream_id")) {
- if (CTF_EVENT_FIELD_IS_SET(event, stream_id))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &event->stream_id);
+ if (!strcmp(left, "vpid")) {
+ uint64_t v;
+
+ if (env->vpid != -1) {
+ fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &v);
if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for event stream_id\n", __func__);
- return -EINVAL;
+ fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
}
- CTF_EVENT_SET_FIELD(event, stream_id);
- } else if (!strcmp(left, "event.header")) {
- struct declaration *declaration;
+ env->vpid = (int) v;
+ printf_verbose("env.vpid = %d\n", env->vpid);
+ } else if (!strcmp(left, "procname")) {
+ char *right;
- declaration = ctf_declaration_specifier_visit(fd, depth,
- &node->u.ctf_expression.right,
- stream->declaration_scope, stream->definition_scope);
- if (!declaration)
- return -EPERM;
- if (declaration->type->id != CTF_TYPE_STRUCT)
- return -EPERM;
- stream->event_header_decl = container_of(declaration, struct declaration_struct, p);
- } else if (!strcmp(left, "event.context")) {
- struct declaration *declaration;
+ if (env->procname[0]) {
+ fprintf(fd, "[warning] %s: duplicated env procname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env procname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->procname, right, TRACER_ENV_LEN);
+ env->procname[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.procname = \"%s\"\n", env->procname);
+ } else if (!strcmp(left, "domain")) {
+ char *right;
- declaration = ctf_declaration_specifier_visit(fd, depth,
- &node->u.ctf_expression.right,
- stream->declaration_scope);
- if (!declaration)
- return -EPERM;
- if (declaration->type->id != CTF_TYPE_STRUCT)
- return -EPERM;
- stream->event_context_decl = container_of(declaration, struct declaration_struct, p);
- } else if (!strcmp(left, "packet.context")) {
- struct declaration *declaration;
+ if (env->domain[0]) {
+ fprintf(fd, "[warning] %s: duplicated env domain\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env domain\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->domain, right, TRACER_ENV_LEN);
+ env->domain[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.domain = \"%s\"\n", env->domain);
+ } else if (!strcmp(left, "sysname")) {
+ char *right;
- declaration = ctf_declaration_specifier_visit(fd, depth,
- &node->u.ctf_expression.right,
- stream->declaration_scope);
- if (!declaration)
- return -EPERM;
- if (declaration->type->id != CTF_TYPE_STRUCT)
- return -EPERM;
- stream->packet_context_decl = container_of(declaration, struct declaration_struct, p);
+ if (env->sysname[0]) {
+ fprintf(fd, "[warning] %s: duplicated env sysname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env sysname\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->sysname, right, TRACER_ENV_LEN);
+ env->sysname[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.sysname = \"%s\"\n", env->sysname);
+ } else if (!strcmp(left, "kernel_release")) {
+ char *right;
+
+ if (env->release[0]) {
+ fprintf(fd, "[warning] %s: duplicated env release\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env release\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->release, right, TRACER_ENV_LEN);
+ env->release[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.release = \"%s\"\n", env->release);
+ } else if (!strcmp(left, "kernel_version")) {
+ char *right;
+
+ if (env->version[0]) {
+ fprintf(fd, "[warning] %s: duplicated env version\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ if (!right) {
+ fprintf(fd, "[warning] %s: unexpected unary expression for env version\n", __func__);
+ goto error; /* ret is 0, so not an actual error, just warn. */
+ }
+ strncpy(env->version, right, TRACER_ENV_LEN);
+ env->version[TRACER_ENV_LEN - 1] = '\0';
+ printf_verbose("env.version = \"%s\"\n", env->version);
+ } else {
+ if (is_unary_string(&node->u.ctf_expression.right)) {
+ char *right;
+
+ right = concatenate_unary_strings(&node->u.ctf_expression.right);
+ printf_verbose("env.%s = \"%s\"\n", left, right);
+ } else if (is_unary_unsigned(&node->u.ctf_expression.right)) {
+ uint64_t v;
+ int ret;
+
+ ret = get_unary_unsigned(&node->u.ctf_expression.right, &v);
+ assert(ret == 0);
+ printf_verbose("env.%s = %" PRIu64 "\n", left, v);
+ } else if (is_unary_signed(&node->u.ctf_expression.right)) {
+ int64_t v;
+ int ret;
+
+ ret = get_unary_signed(&node->u.ctf_expression.right, &v);
+ assert(ret == 0);
+ printf_verbose("env.%s = %" PRId64 "\n", left, v);
+ } else {
+ printf_verbose("%s: attribute \"%s\" has unknown type.\n", __func__, left);
+ }
}
+
+error:
g_free(left);
break;
}
default:
return -EPERM;
- /* TODO: declaration specifier should be added. */
}
- return 0;
+ return ret;
}
static
-int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
- struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace)
+int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
{
int ret = 0;
struct ctf_node *iter;
- struct ctf_stream *stream;
- struct definition_scope *parent_def_scope;
- stream = g_new0(struct ctf_stream, 1);
- stream->declaration_scope = new_declaration_scope(parent_declaration_scope);
- stream->events_by_id = g_ptr_array_new();
- stream->event_quark_to_id = g_hash_table_new(g_int_hash, g_int_equal);
- cds_list_for_each_entry(iter, &node->u.stream.declaration_list, siblings) {
- ret = ctf_stream_declaration_visit(fd, depth + 1, iter, stream, trace);
+ trace->env.vpid = -1;
+ trace->env.procname[0] = '\0';
+ trace->env.domain[0] = '\0';
+ trace->env.sysname[0] = '\0';
+ trace->env.release[0] = '\0';
+ trace->env.version[0] = '\0';
+ bt_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) {
+ ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace);
if (ret)
goto error;
}
- if (!CTF_EVENT_FIELD_IS_SET(stream, stream_id)) {
- ret = -EPERM;
- goto error;
- }
- if (trace->streams->len <= stream->stream_id)
- g_ptr_array_set_size(trace->streams, stream->stream_id + 1);
- g_ptr_array_index(trace->streams, stream->stream_id) = stream;
-
- parent_def_scope = NULL;
- if (stream->packet_context_decl) {
- stream->packet_context =
- stream->packet_context_decl->definition_new(stream->packet_context_decl,
- parent_def_scope, 0, 0);
- set_dynamic_definition_scope(&stream->packet_context->p,
- stream->packet_context->scope,
- "stream.packet.context");
- parent_def_scope = stream->packet_context->scope;
- declaration_unref(stream->packet_context_decl);
- }
- if (stream->event_header_decl) {
- stream->event_header =
- stream->event_header_decl->definition_new(stream->event_header_decl,
- parent_def_scope, 0, 0);
- set_dynamic_definition_scope(&stream->event_header->p,
- stream->event_header->scope,
- "stream.event.header");
- parent_def_scope = stream->event_header->scope;
- declaration_unref(stream->event_header_decl);
- }
- if (stream->event_context_decl) {
- stream->event_context =
- stream->event_context_decl->definition_new(stream->event_context_decl,
- parent_def_scope, 0, 0);
- set_dynamic_definition_scope(&stream->event_context->p,
- stream->event_context->scope,
- "stream.event.context");
- parent_def_scope = stream->event_context->scope;
- declaration_unref(stream->event_context_decl);
- }
- stream->definition_scope = parent_def_scope;
-
- return 0;
-
error:
- declaration_unref(stream->event_header);
- declaration_unref(stream->event_context);
- declaration_unref(stream->packet_context);
- g_ptr_array_free(stream->events_by_id, TRUE);
- g_hash_table_free(stream->event_quark_to_id);
- free_definition_scope(stream->definition_scope);
- free_declaration_scope(stream->declaration_scope);
- g_free(stream);
- return ret;
+ return 0;
}
static
-int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
{
int ret = 0;
switch (node->type) {
case NODE_TYPEDEF:
ret = ctf_typedef_visit(fd, depth + 1,
- &node->u._typedef.declaration_specifier,
+ trace->root_declaration_scope,
+ node->u._typedef.type_specifier_list,
&node->u._typedef.type_declarators,
- trace->declaration_scope);
+ trace);
if (ret)
return ret;
break;
case NODE_TYPEALIAS:
ret = ctf_typealias_visit(fd, depth + 1,
- &node->u.typealias.target, &node->u.typealias.alias
- trace->declaration_scope);
+ trace->root_declaration_scope,
+ node->u.typealias.target, node->u.typealias.alias,
+ trace);
if (ret)
return ret;
break;
- case NODE_CTF_EXPRESSION:
+ case NODE_TYPE_SPECIFIER_LIST:
{
- char *left;
+ struct declaration *declaration;
- left = concatenate_unary_strings(&node->u.ctf_expression.left);
- if (!strcmp(left, "major")) {
- if (CTF_EVENT_FIELD_IS_SET(trace, major))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->major);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for trace major number\n", __func__);
- return -EINVAL;
- }
- CTF_EVENT_SET_FIELD(trace, major);
- } else if (!strcmp(left, "minor")) {
- if (CTF_EVENT_FIELD_IS_SET(trace, minor))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->minor);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for trace minor number\n", __func__);
- return -EINVAL;
- }
- CTF_EVENT_SET_FIELD(trace, minor);
- } else if (!strcmp(left, "word_size")) {
- if (CTF_EVENT_FIELD_IS_SET(trace, word_size))
- return -EPERM;
- ret = get_unary_unsigned(&node->u.ctf_expression.right, &trace->word_size);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for trace word_size\n", __func__);
- return -EINVAL;
- }
- CTF_EVENT_SET_FIELD(trace, word_size);
- } else if (!strcmp(left, "uuid")) {
- if (CTF_EVENT_FIELD_IS_SET(trace, uuid))
- return -EPERM;
- ret = get_unary_uuid(&node->u.ctf_expression.right, &trace->uuid);
- if (ret) {
- fprintf(stderr, "[error] %s: unexpected unary expression for trace uuid\n", __func__);
- return -EINVAL;
- }
- CTF_EVENT_SET_FIELD(trace, uuid);
- }
- g_free(left);
+ /*
+ * Just add the type specifier to the root scope
+ * declaration scope. Release local reference.
+ */
+ declaration = ctf_type_specifier_list_visit(fd, depth + 1,
+ node, trace->root_declaration_scope, trace);
+ if (!declaration)
+ return -ENOMEM;
+ declaration_unref(declaration);
break;
}
default:
return -EPERM;
- /* TODO: declaration specifier should be added. */
}
return 0;
}
-
-static
-int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+/* TODO: missing metadata "destroy" (memory leak) */
+int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
+ struct ctf_trace *trace, int byte_order)
{
int ret = 0;
struct ctf_node *iter;
+ int env_clock_done = 0;
- if (trace->declaration_scope)
- return -EEXIST;
- trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope);
- trace->definition_scope = new_dynamic_definition_scope(trace->root_definition_scope);
- trace->streams = g_ptr_array_new();
- cds_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) {
- ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace);
- if (ret)
- goto error;
- }
- if (!CTF_EVENT_FIELD_IS_SET(trace, major)) {
- ret = -EPERM;
- goto error;
- }
- if (!CTF_EVENT_FIELD_IS_SET(trace, minor)) {
- ret = -EPERM;
- goto error;
- }
- if (!CTF_EVENT_FIELD_IS_SET(trace, uuid)) {
- ret = -EPERM;
- goto error;
- }
- if (!CTF_EVENT_FIELD_IS_SET(trace, word_size)) {
- ret = -EPERM;
- goto error;
- }
- return 0;
-
-error:
- g_ptr_array_free(trace->streams, TRUE);
- free_definition_scope(stream->definition_scope);
- free_declaration_scope(stream->declaration_scope);
- return ret;
-}
+ printf_verbose("CTF visitor: metadata construction... ");
+ trace->byte_order = byte_order;
+ trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+ NULL, clock_free);
-int _ctf_visitor(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
-{
- int ret = 0;
- struct ctf_node *iter;
+retry:
+ trace->root_declaration_scope = new_declaration_scope(NULL);
switch (node->type) {
case NODE_ROOT:
- cds_list_for_each_entry(iter, &node->u.root._typedef,
- siblings) {
- ret = ctf_typedef_visit(fd, depth + 1,
- &iter->u._typedef.declaration_specifier,
- &iter->u._typedef.type_declarators,
- trace->root_declaration_scope);
- if (ret)
- return ret;
+ if (!env_clock_done) {
+ /*
+ * declarations need to query clock hash table,
+ * so clock need to be treated first.
+ */
+ if (bt_list_empty(&node->u.root.clock)) {
+ ctf_clock_default(fd, depth + 1, trace);
+ } else {
+ bt_list_for_each_entry(iter, &node->u.root.clock, siblings) {
+ ret = ctf_clock_visit(fd, depth + 1, iter,
+ trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: clock declaration error\n", __func__);
+ goto error;
+ }
+ }
+ }
+ env_clock_done = 1;
}
- cds_list_for_each_entry(iter, &node->u.root.typealias,
+ bt_list_for_each_entry(iter, &node->u.root.declaration_list,
siblings) {
- ret = ctf_typealias_visit(fd, depth + 1,
- &iter->u.typealias.target, &iter->u.typealias.alias
- trace->root_declaration_scope);
- if (ret)
- return ret;
- }
- cds_list_for_each_entry(iter, &node->u.root.declaration_specifier, siblings) {
- ret = ctf_declaration_specifier_visit(fd, depth, iter,
- trace->root_declaration_scope);
- if (ret)
- return ret;
+ ret = ctf_root_declaration_visit(fd, depth + 1, iter, trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: root declaration error\n", __func__);
+ goto error;
+ }
}
- cds_list_for_each_entry(iter, &node->u.root.trace, siblings) {
+ bt_list_for_each_entry(iter, &node->u.root.trace, siblings) {
ret = ctf_trace_visit(fd, depth + 1, iter, trace);
- if (ret)
- return ret;
+ if (ret == -EINTR) {
+ free_declaration_scope(trace->root_declaration_scope);
+ /*
+ * Need to restart creation of type
+ * definitions, aliases and
+ * trace header declarations.
+ */
+ goto retry;
+ }
+ if (ret) {
+ fprintf(fd, "[error] %s: trace declaration error\n", __func__);
+ goto error;
+ }
+ }
+ if (!trace->streams) {
+ fprintf(fd, "[error] %s: missing trace declaration\n", __func__);
+ ret = -EINVAL;
+ goto error;
+ }
+ bt_list_for_each_entry(iter, &node->u.root.env, siblings) {
+ ret = ctf_env_visit(fd, depth + 1, iter, trace);
+ if (ret) {
+ fprintf(fd, "[error] %s: env declaration error\n", __func__);
+ goto error;
+ }
}
- cds_list_for_each_entry(iter, &node->u.root.stream, siblings) {
+ bt_list_for_each_entry(iter, &node->u.root.stream, siblings) {
ret = ctf_stream_visit(fd, depth + 1, iter,
trace->root_declaration_scope, trace);
- if (ret)
- return ret;
+ if (ret) {
+ fprintf(fd, "[error] %s: stream declaration error\n", __func__);
+ goto error;
+ }
}
- cds_list_for_each_entry(iter, &node->u.root.event, siblings) {
+ bt_list_for_each_entry(iter, &node->u.root.event, siblings) {
ret = ctf_event_visit(fd, depth + 1, iter,
trace->root_declaration_scope, trace);
- if (ret)
- return ret;
- }
- break;
-
- case NODE_TYPEALIAS_TARGET:
- print_tabs(fd, depth);
- fprintf(fd, "<target>\n");
- depth++;
-
- print_tabs(fd, depth);
- fprintf(fd, "<declaration_specifier>\n");
- cds_list_for_each_entry(iter, &node->u.typealias_target.declaration_specifier, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</declaration_specifier>\n");
-
- print_tabs(fd, depth);
- fprintf(fd, "<type_declarators>\n");
- cds_list_for_each_entry(iter, &node->u.typealias_target.type_declarators, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</type_declarators>\n");
-
- depth--;
- print_tabs(fd, depth);
- fprintf(fd, "</target>\n");
- break;
- case NODE_TYPEALIAS_ALIAS:
- print_tabs(fd, depth);
- fprintf(fd, "<alias>\n");
- depth++;
-
- print_tabs(fd, depth);
- fprintf(fd, "<declaration_specifier>\n");
- cds_list_for_each_entry(iter, &node->u.typealias_alias.declaration_specifier, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</declaration_specifier>\n");
-
- print_tabs(fd, depth);
- fprintf(fd, "<type_declarators>\n");
- cds_list_for_each_entry(iter, &node->u.typealias_alias.type_declarators, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</type_declarators>\n");
-
- depth--;
- print_tabs(fd, depth);
- fprintf(fd, "</alias>\n");
- break;
- case NODE_TYPEALIAS:
- print_tabs(fd, depth);
- fprintf(fd, "<typealias>\n");
- ret = ctf_visitor_print_xml(fd, depth + 1, node->u.typealias.target);
- if (ret)
- return ret;
- ret = ctf_visitor_print_xml(fd, depth + 1, node->u.typealias.alias);
- if (ret)
- return ret;
- print_tabs(fd, depth);
- fprintf(fd, "</typealias>\n");
- break;
-
- case NODE_TYPE_SPECIFIER:
- ret = ctf_visitor_print_type_specifier(fd, depth, node);
- if (ret)
- return ret;
- break;
- case NODE_POINTER:
- print_tabs(fd, depth);
- if (node->u.pointer.const_qualifier)
- fprintf(fd, "<const_pointer />\n");
- else
- fprintf(fd, "<pointer />\n");
- break;
- case NODE_TYPE_DECLARATOR:
- ret = ctf_visitor_print_type_declarator(fd, depth, node);
- if (ret)
- return ret;
- break;
-
- case NODE_FLOATING_POINT:
- print_tabs(fd, depth);
- fprintf(fd, "<floating_point>\n");
- cds_list_for_each_entry(iter, &node->u.floating_point.expressions, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</floating_point>\n");
- break;
- case NODE_INTEGER:
- print_tabs(fd, depth);
- fprintf(fd, "<integer>\n");
- cds_list_for_each_entry(iter, &node->u.integer.expressions, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</integer>\n");
- break;
- case NODE_STRING:
- print_tabs(fd, depth);
- fprintf(fd, "<string>\n");
- cds_list_for_each_entry(iter, &node->u.string.expressions, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</string>\n");
- break;
- case NODE_ENUMERATOR:
- print_tabs(fd, depth);
- fprintf(fd, "<enumerator");
- if (node->u.enumerator.id)
- fprintf(fd, " id=\"%s\"", node->u.enumerator.id);
- fprintf(fd, ">\n");
- cds_list_for_each_entry(iter, &node->u.enumerator.values, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</enumerator>\n");
- break;
- case NODE_ENUM:
- print_tabs(fd, depth);
- if (node->u._struct.name)
- fprintf(fd, "<enum name=\"%s\">\n",
- node->u._enum.enum_id);
- else
- fprintf(fd, "<enum >\n");
- depth++;
-
- if (node->u._enum.container_type) {
- print_tabs(fd, depth);
- fprintf(fd, "<container_type>\n");
- ret = ctf_visitor_print_xml(fd, depth + 1, node->u._enum.container_type);
- if (ret)
- return ret;
- print_tabs(fd, depth);
- fprintf(fd, "</container_type>\n");
- }
-
- print_tabs(fd, depth);
- fprintf(fd, "<enumerator_list>\n");
- cds_list_for_each_entry(iter, &node->u._enum.enumerator_list, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</enumerator_list>\n");
-
- depth--;
- print_tabs(fd, depth);
- fprintf(fd, "</enum>\n");
- break;
- case NODE_STRUCT_OR_VARIANT_DECLARATION:
- print_tabs(fd, depth);
- fprintf(fd, "<declaration_specifier>\n");
- cds_list_for_each_entry(iter, &node->u.struct_or_variant_declaration.declaration_specifier, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</declaration_specifier>\n");
-
- print_tabs(fd, depth);
- fprintf(fd, "<type_declarators>\n");
- cds_list_for_each_entry(iter, &node->u.struct_or_variant_declaration.type_declarators, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</type_declarators>\n");
- break;
- case NODE_VARIANT:
- print_tabs(fd, depth);
- fprintf(fd, "<variant");
- if (node->u.variant.name)
- fprintf(fd, " name=\"%s\"", node->u.variant.name);
- if (node->u.variant.choice)
- fprintf(fd, " choice=\"%s\"", node->u.variant.choice);
- fprintf(fd, ">\n");
- cds_list_for_each_entry(iter, &node->u.variant.declaration_list, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
- }
- print_tabs(fd, depth);
- fprintf(fd, "</variant>\n");
- break;
- case NODE_STRUCT:
- print_tabs(fd, depth);
- if (node->u._struct.name)
- fprintf(fd, "<struct name=\"%s\">\n",
- node->u._struct.name);
- else
- fprintf(fd, "<struct>\n");
- cds_list_for_each_entry(iter, &node->u._struct.declaration_list, siblings) {
- ret = ctf_visitor_print_xml(fd, depth + 1, iter);
- if (ret)
- return ret;
+ if (ret) {
+ fprintf(fd, "[error] %s: event declaration error\n", __func__);
+ goto error;
+ }
}
- print_tabs(fd, depth);
- fprintf(fd, "</struct>\n");
break;
-
case NODE_UNKNOWN:
default:
- fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
+ fprintf(fd, "[error] %s: unknown node type %d\n", __func__,
(int) node->type);
- return -EINVAL;
+ ret = -EINVAL;
+ goto error;
}
+ printf_verbose("done.\n");
+ return ret;
+
+error:
+ free_declaration_scope(trace->root_declaration_scope);
+ g_hash_table_destroy(trace->clocks);
return ret;
}
projects / babeltrace.git / blobdiff