Remove unneeded declaration "name", work in progress for gen io struct
[babeltrace.git] / formats / ctf / metadata / ctf-ast.h
index db297afdbd3864f121adad80b44e0c6e6fd70043..6ee937b6e44ec7597a39c6d34217ab9bc4f1bf89 100644 (file)
@@ -2,9 +2,9 @@
 #define _CTF_PARSER_H
 
 #include <stdint.h>
-#include <helpers/list.h>
 #include <stdio.h>
 #include <glib.h>
+#include <babeltrace/list.h>
 
 // the parameter name (of the reentrant 'yyparse' function)
 // data is a pointer to a 'SParserParam' structure
@@ -17,7 +17,7 @@ struct ctf_node;
 struct ctf_parser;
 
 enum node_type {
-       NODE_UNKNOWN,
+       NODE_UNKNOWN = 0,
        NODE_ROOT,
 
        NODE_EVENT,
@@ -25,12 +25,14 @@ enum node_type {
        NODE_TRACE,
 
        NODE_CTF_EXPRESSION,
+       NODE_UNARY_EXPRESSION,
 
        NODE_TYPEDEF,
+       NODE_TYPEALIAS_TARGET,
+       NODE_TYPEALIAS_ALIAS,
        NODE_TYPEALIAS,
 
        NODE_TYPE_SPECIFIER,
-       NODE_DECLARATION_SPECIFIER,
        NODE_POINTER,
        NODE_TYPE_DECLARATOR,
 
@@ -47,8 +49,12 @@ enum node_type {
 };
 
 struct ctf_node {
+       /*
+        * Parent node is only set on demand by specific visitor.
+        */
        struct ctf_node *parent;
        struct cds_list_head siblings;
+       struct cds_list_head tmp_head;
        struct cds_list_head gc;
 
        enum node_type type;
@@ -56,58 +62,85 @@ struct ctf_node {
                struct {
                } unknown;
                struct {
+                       struct cds_list_head _typedef;
+                       struct cds_list_head typealias;
+                       struct cds_list_head declaration_specifier;
+                       struct cds_list_head trace;
+                       struct cds_list_head stream;
+                       struct cds_list_head event;
                } root;
                struct {
                        /*
-                        * Children nodes are ctf_expression, typedef or
-                        * typealias.
+                        * Children nodes are ctf_expression, typedef,
+                        * typealias and declaration specifiers.
                         */
-                       struct cds_list_head _typedef;
-                       struct cds_list_head typealias;
-                       struct cds_list_head ctf_expression;
+                       struct cds_list_head declaration_list;
                } event;
                struct {
                        /*
-                        * Children nodes are ctf_expression, typedef or
-                        * typealias.
+                        * Children nodes are ctf_expression, typedef,
+                        * typealias and declaration specifiers.
                         */
-                       struct cds_list_head _typedef;
-                       struct cds_list_head typealias;
-                       struct cds_list_head ctf_expression;
+                       struct cds_list_head declaration_list;
                } stream;
                struct {
                        /*
-                        * Children nodes are ctf_expression, typedef or
-                        * typealias.
+                        * Children nodes are ctf_expression, typedef,
+                        * typealias and declaration specifiers.
                         */
-                       struct cds_list_head _typedef;
-                       struct cds_list_head typealias;
-                       struct cds_list_head ctf_expression;
+                       struct cds_list_head declaration_list;
                } trace;
                struct {
-                       char *left_id;
+                       struct cds_list_head left;      /* Should be string */
+                       struct cds_list_head right;     /* Unary exp. or type */
+               } ctf_expression;
+               struct {
                        enum {
-                               EXP_ID,
-                               EXP_TYPE,
+                               UNARY_UNKNOWN = 0,
+                               UNARY_STRING,
+                               UNARY_SIGNED_CONSTANT,
+                               UNARY_UNSIGNED_CONSTANT,
+                               UNARY_SBRAC,
+                               UNARY_NESTED,
                        } type;
                        union {
-                               char *id;
-                               struct ctf_node *type;
-                       } right;
-               } ctf_expression;
-               struct {
-                       struct ctf_node *declaration_specifier;
-                       struct cds_list_head type_declarator;
+                               /*
+                                * 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;
+                               struct ctf_node *nested_exp;
+                       } u;
+                       enum {
+                               UNARY_LINK_UNKNOWN = 0,
+                               UNARY_DOTLINK,
+                               UNARY_ARROWLINK,
+                               UNARY_DOTDOTDOT,
+                       } link;
+               } unary_expression;
+               struct {
+                       struct cds_list_head declaration_specifier;
+                       struct cds_list_head type_declarators;
                } _typedef;
+               /* new type is "alias", existing type "target" */
                struct {
-                       /* new type is "alias", existing type "target" */
-                       struct ctf_node *target_declaration_specifier;
-                       struct cds_list_head target_type_declarator;
-                       struct ctf_node *alias_declaration_specifier;
-                       struct cds_list_head alias_type_declarator;
+                       struct cds_list_head declaration_specifier;
+                       struct cds_list_head type_declarators;
+               } typealias_target;
+               struct {
+                       struct cds_list_head declaration_specifier;
+                       struct cds_list_head type_declarators;
+               } typealias_alias;
+               struct {
+                       struct ctf_node *target;
+                       struct ctf_node *alias;
                } typealias;
                struct {
                        enum {
+                               TYPESPEC_UNKNOWN = 0,
                                TYPESPEC_VOID,
                                TYPESPEC_CHAR,
                                TYPESPEC_SHORT,
@@ -119,56 +152,34 @@ struct ctf_node {
                                TYPESPEC_UNSIGNED,
                                TYPESPEC_BOOL,
                                TYPESPEC_COMPLEX,
+                               TYPESPEC_IMAGINARY,
+                               TYPESPEC_CONST,
                                TYPESPEC_ID_TYPE,
-
-                               TYPESPEC_FLOATING_POINT,
-                               TYPESPEC_INTEGER,
-                               TYPESPEC_STRING,
-                               TYPESPEC_ENUM,
-                               TYPESPEC_VARIANT,
-                               TYPESPEC_STRUCT,
                        } type;
-                       union {
-                               struct ctf_node *floating_point;
-                               struct ctf_node *integer;
-                               struct ctf_node *string;
-                               struct ctf_node *_enum;
-                               struct ctf_node *variant;
-                               struct ctf_node *_struct;
-                       } u;
+                       const char *id_type;
                } type_specifier;
                struct {
-                       /* drop "const" specifier */
-                       /* Children nodes are type_specifiers */
-                       struct cds_list_head type_specifiers;
-               } declaration_specifier;
-               struct {
+                       unsigned int const_qualifier;
                } pointer;
                struct {
                        struct cds_list_head pointers;
                        enum {
+                               TYPEDEC_UNKNOWN = 0,
                                TYPEDEC_ID,     /* identifier */
-                               TYPEDEC_TYPEDEC,/* nested with () */
-                               TYPEDEC_DIRECT, /* array or sequence */
+                               TYPEDEC_NESTED, /* (), array or sequence */
                        } type;
                        union {
                                char *id;
-                               struct ctf_node *typedec;
                                struct {
                                        /* typedec has no pointer list */
-                                       struct ctf_node *typedec;
-                                       struct {
-                                               enum {
-                                                       TYPEDEC_TYPE_VALUE, /* must be > 0 */
-                                                       TYPEDEC_TYPE_TYPE,
-                                               } type;
-                                               union {
-                                                       uint64_t value;
-                                                       struct ctf_node *declaration_specifier;
-                                               } u;
-                                       } length;
-                               } direct;
+                                       struct ctf_node *type_declarator;
+                                       /* value or first node of declaration specifier list */
+                                       struct ctf_node *length;
+                                       /* for abstract type declarator */
+                                       unsigned int abstract_array;
+                               } nested;
                        } u;
+                       struct ctf_node *bitfield_len;
                } type_declarator;
                struct {
                        /* Children nodes are ctf_expression. */
@@ -184,47 +195,52 @@ struct ctf_node {
                } string;
                struct {
                        char *id;
-                       union {         /* inclusive start/end of range */
-                               struct {
-                                       int64_t start, end;
-                               } _signed;
-                               struct {
-                                       uint64_t start, end;
-                               } _unsigned;
-                       } u;
+                       /*
+                        * Range list or single value node. Contains unary
+                        * expressions.
+                        */
+                       struct cds_list_head values;
                } enumerator;
                struct {
                        char *enum_id;
-                       struct {
-                               enum {
-                                       ENUM_TYPE_VALUE, /* must be > 0 */
-                                       ENUM_TYPE_TYPE,
-                               } type;
-                               union {
-                                       uint64_t value;
-                                       struct ctf_node *declaration_specifier;
-                               } u;
-                       } container_type;
+                       /* NULL, value or declaration specifier */
+                       struct ctf_node *container_type;
                        struct cds_list_head enumerator_list;
+                       int has_body;
                } _enum;
                struct {
-                       struct ctf_node *declaration_specifier;
+                       struct cds_list_head declaration_specifier;
+                       struct cds_list_head type_declarators;
                } struct_or_variant_declaration;
                struct {
-                       struct cds_list_head _typedef;
-                       struct cds_list_head typealias;
+                       char *name;
+                       char *choice;
+                       /* list of typedef, typealias and declarations */
                        struct cds_list_head declaration_list;
+                       int has_body;
                } variant;
                struct {
-                       struct cds_list_head _typedef;
-                       struct cds_list_head typealias;
+                       char *name;
+                       /* list of typedef, typealias and declarations */
                        struct cds_list_head declaration_list;
+                       int has_body;
                } _struct;
        } u;
 };
 
 struct ctf_ast {
        struct ctf_node root;
+       struct cds_list_head allocated_nodes;
 };
 
+const char *node_type(struct ctf_node *node);
+
+struct ctf_trace;
+
+int ctf_visitor_print_xml(FILE *fd, int depth, struct ctf_node *node);
+int ctf_visitor_semantic_check(FILE *fd, int depth, struct ctf_node *node);
+int ctf_visitor_parent_links(FILE *fd, int depth, struct ctf_node *node);
+int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
+                       struct ctf_trace *trace, int byte_order);
+
 #endif /* _CTF_PARSER_H */
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