+++ /dev/null
-/*
- * SPDX-License-Identifier: MIT
- *
- * Copyright 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#ifndef _CTF_AST_H
-#define _CTF_AST_H
-
-#include <stdint.h>
-#include <stdio.h>
-#include <glib.h>
-#include "common/list.h"
-#include <babeltrace2/babeltrace.h>
-#include "common/macros.h"
-#include "common/assert.h"
-
-#include "decoder.h"
-#include "ctf-meta.h"
-
-// the parameter name (of the reentrant 'yyparse' function)
-// data is a pointer to a 'SParserParam' structure
-//#define YYPARSE_PARAM scanner
-
-struct ctf_node;
-struct ctf_parser;
-struct ctf_visitor_generate_ir;
-
-#define EINCOMPLETE 1000
-
-#define FOREACH_CTF_NODES(F) \
- F(NODE_UNKNOWN) \
- F(NODE_ROOT) \
- F(NODE_ERROR) \
- F(NODE_EVENT) \
- F(NODE_STREAM) \
- F(NODE_ENV) \
- F(NODE_TRACE) \
- F(NODE_CLOCK) \
- F(NODE_CALLSITE) \
- F(NODE_CTF_EXPRESSION) \
- F(NODE_UNARY_EXPRESSION) \
- F(NODE_TYPEDEF) \
- F(NODE_TYPEALIAS_TARGET) \
- F(NODE_TYPEALIAS_ALIAS) \
- F(NODE_TYPEALIAS) \
- F(NODE_TYPE_SPECIFIER) \
- F(NODE_TYPE_SPECIFIER_LIST) \
- F(NODE_POINTER) \
- F(NODE_TYPE_DECLARATOR) \
- F(NODE_FLOATING_POINT) \
- F(NODE_INTEGER) \
- F(NODE_STRING) \
- F(NODE_ENUMERATOR) \
- F(NODE_ENUM) \
- F(NODE_STRUCT_OR_VARIANT_DECLARATION) \
- F(NODE_VARIANT) \
- F(NODE_STRUCT)
-
-enum node_type {
-#define ENTRY(S) S,
- FOREACH_CTF_NODES(ENTRY)
-#undef ENTRY
- NR_NODE_TYPES,
-};
-
-struct ctf_node {
- /*
- * Parent node is only set on demand by specific visitor.
- */
- struct ctf_node *parent;
- struct bt_list_head siblings;
- struct bt_list_head tmp_head;
- unsigned int lineno;
- /*
- * We mark nodes visited in the generate-ir phase (last
- * phase). We only mark the 1-depth level nodes as visited
- * (never the root node, and not their sub-nodes). This allows
- * skipping already visited nodes when doing incremental
- * metadata append.
- */
- int visited;
-
- enum node_type type;
- union {
- struct {
- } unknown;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- struct bt_list_head trace;
- struct bt_list_head env;
- struct bt_list_head stream;
- struct bt_list_head event;
- struct bt_list_head clock;
- struct bt_list_head callsite;
- } root;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } event;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } stream;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } env;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } trace;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } clock;
- struct {
- /*
- * Children nodes are ctf_expression, field_class_def,
- * field_class_alias and field_class_specifier_list.
- */
- struct bt_list_head declaration_list;
- } callsite;
- struct {
- struct bt_list_head left; /* Should be string */
- struct bt_list_head right; /* Unary exp. or type */
- } ctf_expression;
- struct {
- enum {
- UNARY_UNKNOWN = 0,
- UNARY_STRING,
- UNARY_SIGNED_CONSTANT,
- UNARY_UNSIGNED_CONSTANT,
- UNARY_SBRAC,
- } type;
- union {
- /*
- * string for identifier, id_type, keywords,
- * string literals and character constants.
- */
- char *string;
- int64_t signed_constant;
- uint64_t unsigned_constant;
- struct ctf_node *sbrac_exp;
- } u;
- enum {
- UNARY_LINK_UNKNOWN = 0,
- UNARY_DOTLINK,
- UNARY_ARROWLINK,
- UNARY_DOTDOTDOT,
- } link;
- } unary_expression;
- struct {
- struct ctf_node *field_class_specifier_list;
- struct bt_list_head field_class_declarators;
- } field_class_def;
- /* new type is "alias", existing type "target" */
- struct {
- struct ctf_node *field_class_specifier_list;
- struct bt_list_head field_class_declarators;
- } field_class_alias_target;
- struct {
- struct ctf_node *field_class_specifier_list;
- struct bt_list_head field_class_declarators;
- } field_class_alias_name;
- struct {
- struct ctf_node *target;
- struct ctf_node *alias;
- } field_class_alias;
- struct {
- enum {
- TYPESPEC_UNKNOWN = 0,
- TYPESPEC_VOID,
- TYPESPEC_CHAR,
- TYPESPEC_SHORT,
- TYPESPEC_INT,
- TYPESPEC_LONG,
- TYPESPEC_FLOAT,
- TYPESPEC_DOUBLE,
- TYPESPEC_SIGNED,
- TYPESPEC_UNSIGNED,
- TYPESPEC_BOOL,
- TYPESPEC_COMPLEX,
- TYPESPEC_IMAGINARY,
- TYPESPEC_CONST,
- TYPESPEC_ID_TYPE,
- TYPESPEC_FLOATING_POINT,
- TYPESPEC_INTEGER,
- TYPESPEC_STRING,
- TYPESPEC_STRUCT,
- TYPESPEC_VARIANT,
- TYPESPEC_ENUM,
- } type;
- /* For struct, variant and enum */
- struct ctf_node *node;
- const char *id_type;
- } field_class_specifier;
- struct {
- /* list of field_class_specifier */
- struct bt_list_head head;
- } field_class_specifier_list;
- struct {
- unsigned int const_qualifier;
- } pointer;
- struct {
- struct bt_list_head pointers;
- enum {
- TYPEDEC_UNKNOWN = 0,
- TYPEDEC_ID, /* identifier */
- TYPEDEC_NESTED, /* (), array or sequence */
- } type;
- union {
- char *id;
- struct {
- /* typedec has no pointer list */
- struct ctf_node *field_class_declarator;
- /*
- * unary expression (value) or
- * field_class_specifier_list.
- */
- struct bt_list_head length;
- /* for abstract type declarator */
- unsigned int abstract_array;
- } nested;
- } u;
- struct ctf_node *bitfield_len;
- } field_class_declarator;
- struct {
- /* Children nodes are ctf_expression. */
- struct bt_list_head expressions;
- } floating_point;
- struct {
- /* Children nodes are ctf_expression. */
- struct bt_list_head expressions;
- } integer;
- struct {
- /* Children nodes are ctf_expression. */
- struct bt_list_head expressions;
- } string;
- struct {
- char *id;
- /*
- * Range list or single value node. Contains unary
- * expressions.
- */
- struct bt_list_head values;
- } enumerator;
- struct {
- char *enum_id;
- /*
- * Either NULL, or points to unary expression or
- * field_class_specifier_list.
- */
- struct ctf_node *container_field_class;
- struct bt_list_head enumerator_list;
- int has_body;
- } _enum;
- struct {
- struct ctf_node *field_class_specifier_list;
- struct bt_list_head field_class_declarators;
- } struct_or_variant_declaration;
- struct {
- char *name;
- char *choice;
- /*
- * list of field_class_def, field_class_alias and
- * declarations
- */
- struct bt_list_head declaration_list;
- int has_body;
- } variant;
- struct {
- char *name;
- /*
- * list of field_class_def, field_class_alias and
- * declarations
- */
- struct bt_list_head declaration_list;
- int has_body;
- struct bt_list_head min_align; /* align() attribute */
- } _struct;
- } u;
-};
-
-struct ctf_ast {
- struct ctf_node root;
-};
-
-const char *node_type(struct ctf_node *node);
-
-struct meta_log_config;
-
-BT_HIDDEN
-struct ctf_visitor_generate_ir *ctf_visitor_generate_ir_create(
- const struct ctf_metadata_decoder_config *config);
-
-void ctf_visitor_generate_ir_destroy(struct ctf_visitor_generate_ir *visitor);
-
-BT_HIDDEN
-bt_trace_class *ctf_visitor_generate_ir_get_ir_trace_class(
- struct ctf_visitor_generate_ir *visitor);
-
-BT_HIDDEN
-struct ctf_trace_class *ctf_visitor_generate_ir_borrow_ctf_trace_class(
- struct ctf_visitor_generate_ir *visitor);
-
-BT_HIDDEN
-int ctf_visitor_generate_ir_visit_node(struct ctf_visitor_generate_ir *visitor,
- struct ctf_node *node);
-
-BT_HIDDEN
-int ctf_visitor_semantic_check(int depth, struct ctf_node *node,
- struct meta_log_config *log_cfg);
-
-BT_HIDDEN
-int ctf_visitor_parent_links(int depth, struct ctf_node *node,
- struct meta_log_config *log_cfg);
-
-static inline
-char *ctf_ast_concatenate_unary_strings(struct bt_list_head *head)
-{
- int i = 0;
- GString *str;
- struct ctf_node *node;
-
- str = g_string_new(NULL);
- BT_ASSERT(str);
-
- bt_list_for_each_entry(node, head, siblings) {
- char *src_string;
-
- if (
- node->type != NODE_UNARY_EXPRESSION ||
- node->u.unary_expression.type != UNARY_STRING ||
- !(
- (
- node->u.unary_expression.link !=
- UNARY_LINK_UNKNOWN
- ) ^ (i == 0)
- )
- ) {
- goto error;
- }
-
- switch (node->u.unary_expression.link) {
- case UNARY_DOTLINK:
- g_string_append(str, ".");
- break;
- case UNARY_ARROWLINK:
- g_string_append(str, "->");
- break;
- case UNARY_DOTDOTDOT:
- g_string_append(str, "...");
- break;
- default:
- break;
- }
-
- src_string = node->u.unary_expression.u.string;
- g_string_append(str, src_string);
- i++;
- }
-
- /* Destroys the container, returns the underlying string */
- return g_string_free(str, FALSE);
-
-error:
- /* This always returns NULL */
- return g_string_free(str, TRUE);
-}
-
-static inline
-int ctf_ast_get_unary_uuid(struct bt_list_head *head,
- bt_uuid_t uuid, int log_level, bt_self_component *self_comp)
-{
- int i = 0;
- int ret = 0;
- struct ctf_node *node;
-
- bt_list_for_each_entry(node, head, siblings) {
- int uexpr_type = node->u.unary_expression.type;
- int uexpr_link = node->u.unary_expression.link;
- const char *src_string;
-
- if (node->type != NODE_UNARY_EXPRESSION ||
- uexpr_type != UNARY_STRING ||
- uexpr_link != UNARY_LINK_UNKNOWN ||
- i != 0) {
- ret = -EINVAL;
- goto end;
- }
-
- src_string = node->u.unary_expression.u.string;
- ret = bt_uuid_from_str(src_string, uuid);
- if (ret) {
-#ifdef BT_COMP_LOG_CUR_LVL
- BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level,
- self_comp,
- "Cannot parse UUID: uuid=\"%s\"", src_string);
-#endif
- goto end;
- }
- }
-
-end:
- return ret;
-}
-
-#endif /* _CTF_AST_H */
projects / babeltrace.git / blobdiff