[babeltrace.git] / formats / ctf / metadata / ctf-ast.h

#ifndef _CTF_AST_H
#define _CTF_AST_H

/*
 * ctf-ast.h
 *
 * Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */

#include <stdint.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
//#define YYPARSE_PARAM	scanner

// the argument for the 'yylex' function
#define YYLEX_PARAM	((struct ctf_scanner *) scanner)->scanner

struct ctf_node;
struct ctf_parser;

enum node_type {
	NODE_UNKNOWN = 0,
	NODE_ROOT,

	NODE_EVENT,
	NODE_STREAM,
	NODE_ENV,
	NODE_TRACE,
	NODE_CLOCK,
	NODE_CALLSITE,

	NODE_CTF_EXPRESSION,
	NODE_UNARY_EXPRESSION,

	NODE_TYPEDEF,
	NODE_TYPEALIAS_TARGET,
	NODE_TYPEALIAS_ALIAS,
	NODE_TYPEALIAS,

	NODE_TYPE_SPECIFIER,
	NODE_TYPE_SPECIFIER_LIST,
	NODE_POINTER,
	NODE_TYPE_DECLARATOR,

	NODE_FLOATING_POINT,
	NODE_INTEGER,
	NODE_STRING,
	NODE_ENUMERATOR,
	NODE_ENUM,
	NODE_STRUCT_OR_VARIANT_DECLARATION,
	NODE_VARIANT,
	NODE_STRUCT,

	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;
	struct bt_list_head gc;
	unsigned int lineno;

	enum node_type type;
	union {
		struct {
		} unknown;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_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, typedef,
			 * typealias and type_specifier_list.
			 */
			struct bt_list_head declaration_list;
		} event;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_specifier_list.
			 */
			struct bt_list_head declaration_list;
		} stream;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_specifier_list.
			 */
			struct bt_list_head declaration_list;
		} env;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_specifier_list.
			 */
			struct bt_list_head declaration_list;
		} trace;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_specifier_list.
			 */
			struct bt_list_head declaration_list;
		} clock;
		struct {
			/*
			 * Children nodes are ctf_expression, typedef,
			 * typealias and type_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,
				UNARY_NESTED,
			} 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;
				struct ctf_node *nested_exp;
			} u;
			enum {
				UNARY_LINK_UNKNOWN = 0,
				UNARY_DOTLINK,
				UNARY_ARROWLINK,
				UNARY_DOTDOTDOT,
			} link;
		} unary_expression;
		struct {
			struct ctf_node *type_specifier_list;
			struct bt_list_head type_declarators;
		} _typedef;
		/* new type is "alias", existing type "target" */
		struct {
			struct ctf_node *type_specifier_list;
			struct bt_list_head type_declarators;
		} typealias_target;
		struct {
			struct ctf_node *type_specifier_list;
			struct bt_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,
				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;
		} type_specifier;
		struct {
			/* list of type_specifier */
			struct bt_list_head head;
		} type_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 *type_declarator;
					/*
					 * unary expression (value) or
					 * type_specifier_list.
					 */
					struct bt_list_head length;
					/* for abstract type declarator */
					unsigned int abstract_array;
				} nested;
			} u;
			struct ctf_node *bitfield_len;
		} type_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
			 * type_specifier_list.
			 */
			struct ctf_node *container_type;
			struct bt_list_head enumerator_list;
			int has_body;
		} _enum;
		struct {
			struct ctf_node *type_specifier_list;
			struct bt_list_head type_declarators;
		} struct_or_variant_declaration;
		struct {
			char *name;
			char *choice;
			/* list of typedef, typealias and declarations */
			struct bt_list_head declaration_list;
			int has_body;
		} variant;
		struct {
			char *name;
			/* list of typedef, typealias 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;
	struct bt_list_head allocated_nodes;
};

const char *node_type(struct ctf_node *node);

struct ctf_trace;

BT_HIDDEN
int ctf_visitor_print_xml(FILE *fd, int depth, struct ctf_node *node);
BT_HIDDEN
int ctf_visitor_semantic_check(FILE *fd, int depth, struct ctf_node *node);
BT_HIDDEN
int ctf_visitor_parent_links(FILE *fd, int depth, struct ctf_node *node);
BT_HIDDEN
int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
			struct ctf_trace *trace, int byte_order);
BT_HIDDEN
int ctf_destroy_metadata(struct ctf_trace *trace);

#endif /* _CTF_AST_H */
Commit	Line	Data
eb31c5e6 MD	1	#ifndef _CTF_AST_H
	2	#define _CTF_AST_H
	3
	4	/*
	5	* ctf-ast.h
	6	*
	7	* Copyright 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	8	*
	9	* Permission is hereby granted, free of charge, to any person obtaining a copy
	10	* of this software and associated documentation files (the "Software"), to deal
	11	* in the Software without restriction, including without limitation the rights
	12	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	13	* copies of the Software, and to permit persons to whom the Software is
	14	* furnished to do so, subject to the following conditions:
	15	*
	16	* The above copyright notice and this permission notice shall be included in
	17	* all copies or substantial portions of the Software.
	18	*/
8b9d5b5e	19
ae5193a6	20	#include <stdint.h>
34d3acc4 MD	21	#include <stdio.h>
34d3acc4 MD	22	#include <glib.h>
fe41395a	23	#include <babeltrace/list.h>
34d3acc4	24
9117bff7 MD	25	// the parameter name (of the reentrant 'yyparse' function)
	26	// data is a pointer to a 'SParserParam' structure
	27	//#define YYPARSE_PARAM scanner
	28
	29	// the argument for the 'yylex' function
	30	#define YYLEX_PARAM ((struct ctf_scanner *) scanner)->scanner
	31
34d3acc4 MD	32	struct ctf_node;
34d3acc4 MD	33	struct ctf_parser;
8b9d5b5e MD	34
8b9d5b5e MD	35	enum node_type {
02b234c4	36	NODE_UNKNOWN = 0,
8b9d5b5e	37	NODE_ROOT,
fce8006d	38
8b9d5b5e MD	39	NODE_EVENT,
8b9d5b5e MD	40	NODE_STREAM,
e2c76a4d	41	NODE_ENV,
8b9d5b5e	42	NODE_TRACE,
73d15916	43	NODE_CLOCK,
f133896d	44	NODE_CALLSITE,
8b9d5b5e	45
fce8006d	46	NODE_CTF_EXPRESSION,
6dc474b8	47	NODE_UNARY_EXPRESSION,
fce8006d MD	48
fce8006d MD	49	NODE_TYPEDEF,
02b234c4 MD	50	NODE_TYPEALIAS_TARGET,
02b234c4 MD	51	NODE_TYPEALIAS_ALIAS,
fce8006d MD	52	NODE_TYPEALIAS,
fce8006d MD	53
ae5193a6	54	NODE_TYPE_SPECIFIER,
3e11b713	55	NODE_TYPE_SPECIFIER_LIST,
ae5193a6	56	NODE_POINTER,
fce8006d MD	57	NODE_TYPE_DECLARATOR,
	58
	59	NODE_FLOATING_POINT,
	60	NODE_INTEGER,
	61	NODE_STRING,
ae5193a6	62	NODE_ENUMERATOR,
fce8006d	63	NODE_ENUM,
ae5193a6	64	NODE_STRUCT_OR_VARIANT_DECLARATION,
fce8006d MD	65	NODE_VARIANT,
	66	NODE_STRUCT,
	67
8b9d5b5e MD	68	NR_NODE_TYPES,
	69	};
	70
8b9d5b5e	71	struct ctf_node {
6dc474b8 MD	72	/*
	73	* Parent node is only set on demand by specific visitor.
	74	*/
8b9d5b5e	75	struct ctf_node *parent;
3122e6f0 JD	76	struct bt_list_head siblings;
	77	struct bt_list_head tmp_head;
	78	struct bt_list_head gc;
5c5c3455	79	unsigned int lineno;
ae5193a6 MD	80
	81	enum node_type type;
	82	union {
	83	struct {
	84	} unknown;
	85	struct {
3e11b713 MD	86	/*
	87	* Children nodes are ctf_expression, typedef,
	88	* typealias and type_specifier_list.
	89	*/
3122e6f0 JD	90	struct bt_list_head declaration_list;
	91	struct bt_list_head trace;
	92	struct bt_list_head env;
	93	struct bt_list_head stream;
	94	struct bt_list_head event;
	95	struct bt_list_head clock;
f133896d	96	struct bt_list_head callsite;
ae5193a6 MD	97	} root;
	98	struct {
	99	/*
6dc474b8	100	* Children nodes are ctf_expression, typedef,
3e11b713	101	* typealias and type_specifier_list.
ae5193a6	102	*/
3122e6f0	103	struct bt_list_head declaration_list;
ae5193a6 MD	104	} event;
	105	struct {
	106	/*
6dc474b8	107	* Children nodes are ctf_expression, typedef,
3e11b713	108	* typealias and type_specifier_list.
ae5193a6	109	*/
3122e6f0	110	struct bt_list_head declaration_list;
ae5193a6	111	} stream;
e2c76a4d MD	112	struct {
	113	/*
	114	* Children nodes are ctf_expression, typedef,
	115	* typealias and type_specifier_list.
	116	*/
3122e6f0	117	struct bt_list_head declaration_list;
e2c76a4d	118	} env;
ae5193a6 MD	119	struct {
ae5193a6 MD	120	/*
6dc474b8	121	* Children nodes are ctf_expression, typedef,
3e11b713	122	* typealias and type_specifier_list.
ae5193a6	123	*/
3122e6f0	124	struct bt_list_head declaration_list;
ae5193a6	125	} trace;
73d15916 MD	126	struct {
	127	/*
	128	* Children nodes are ctf_expression, typedef,
	129	* typealias and type_specifier_list.
	130	*/
3122e6f0	131	struct bt_list_head declaration_list;
73d15916	132	} clock;
f133896d MD	133	struct {
	134	/*
	135	* Children nodes are ctf_expression, typedef,
	136	* typealias and type_specifier_list.
	137	*/
	138	struct bt_list_head declaration_list;
	139	} callsite;
ae5193a6	140	struct {
3122e6f0 JD	141	struct bt_list_head left; /* Should be string */
3122e6f0 JD	142	struct bt_list_head right; /* Unary exp. or type */
6dc474b8 MD	143	} ctf_expression;
6dc474b8 MD	144	struct {
ae5193a6	145	enum {
6dc474b8 MD	146	UNARY_UNKNOWN = 0,
	147	UNARY_STRING,
	148	UNARY_SIGNED_CONSTANT,
	149	UNARY_UNSIGNED_CONSTANT,
	150	UNARY_SBRAC,
48a01768	151	UNARY_NESTED,
ae5193a6 MD	152	} type;
ae5193a6 MD	153	union {
6dc474b8 MD	154	/*
	155	* string for identifier, id_type, keywords,
	156	* string literals and character constants.
	157	*/
	158	char *string;
6dc474b8	159	int64_t signed_constant;
7de8808c	160	uint64_t unsigned_constant;
6dc474b8	161	struct ctf_node *sbrac_exp;
48a01768	162	struct ctf_node *nested_exp;
6dc474b8 MD	163	} u;
	164	enum {
	165	UNARY_LINK_UNKNOWN = 0,
	166	UNARY_DOTLINK,
	167	UNARY_ARROWLINK,
48a01768	168	UNARY_DOTDOTDOT,
6dc474b8 MD	169	} link;
6dc474b8 MD	170	} unary_expression;
ae5193a6	171	struct {
3e11b713	172	struct ctf_node *type_specifier_list;
3122e6f0	173	struct bt_list_head type_declarators;
ae5193a6	174	} _typedef;
02b234c4 MD	175	/* new type is "alias", existing type "target" */
02b234c4 MD	176	struct {
3e11b713	177	struct ctf_node *type_specifier_list;
3122e6f0	178	struct bt_list_head type_declarators;
02b234c4 MD	179	} typealias_target;
02b234c4 MD	180	struct {
3e11b713	181	struct ctf_node *type_specifier_list;
3122e6f0	182	struct bt_list_head type_declarators;
02b234c4	183	} typealias_alias;
ae5193a6	184	struct {
02b234c4 MD	185	struct ctf_node *target;
02b234c4 MD	186	struct ctf_node *alias;
ae5193a6 MD	187	} typealias;
	188	struct {
	189	enum {
02b234c4	190	TYPESPEC_UNKNOWN = 0,
ae5193a6 MD	191	TYPESPEC_VOID,
	192	TYPESPEC_CHAR,
	193	TYPESPEC_SHORT,
	194	TYPESPEC_INT,
	195	TYPESPEC_LONG,
	196	TYPESPEC_FLOAT,
	197	TYPESPEC_DOUBLE,
	198	TYPESPEC_SIGNED,
	199	TYPESPEC_UNSIGNED,
	200	TYPESPEC_BOOL,
	201	TYPESPEC_COMPLEX,
3888a159	202	TYPESPEC_IMAGINARY,
6dc474b8	203	TYPESPEC_CONST,
ae5193a6	204	TYPESPEC_ID_TYPE,
3e11b713 MD	205	TYPESPEC_FLOATING_POINT,
	206	TYPESPEC_INTEGER,
	207	TYPESPEC_STRING,
	208	TYPESPEC_STRUCT,
	209	TYPESPEC_VARIANT,
	210	TYPESPEC_ENUM,
ae5193a6	211	} type;
3e11b713 MD	212	/* For struct, variant and enum */
3e11b713 MD	213	struct ctf_node *node;
6dc474b8	214	const char *id_type;
ae5193a6	215	} type_specifier;
3e11b713 MD	216	struct {
3e11b713 MD	217	/* list of type_specifier */
3122e6f0	218	struct bt_list_head head;
3e11b713	219	} type_specifier_list;
ae5193a6	220	struct {
6dc474b8	221	unsigned int const_qualifier;
ae5193a6 MD	222	} pointer;
ae5193a6 MD	223	struct {
3122e6f0	224	struct bt_list_head pointers;
ae5193a6	225	enum {
02b234c4	226	TYPEDEC_UNKNOWN = 0,
ae5193a6	227	TYPEDEC_ID, /* identifier */
02b234c4	228	TYPEDEC_NESTED, /* (), array or sequence */
ae5193a6 MD	229	} type;
	230	union {
	231	char *id;
ae5193a6 MD	232	struct {
ae5193a6 MD	233	/* typedec has no pointer list */
02b234c4	234	struct ctf_node *type_declarator;
7d4192cb MD	235	/*
7d4192cb MD	236	* unary expression (value) or
3e11b713	237	* type_specifier_list.
7d4192cb	238	*/
3122e6f0	239	struct bt_list_head length;
6dc474b8 MD	240	/* for abstract type declarator */
6dc474b8 MD	241	unsigned int abstract_array;
02b234c4	242	} nested;
ae5193a6	243	} u;
6dc474b8	244	struct ctf_node *bitfield_len;
ae5193a6 MD	245	} type_declarator;
	246	struct {
	247	/* Children nodes are ctf_expression. */
3122e6f0	248	struct bt_list_head expressions;
ae5193a6 MD	249	} floating_point;
	250	struct {
	251	/* Children nodes are ctf_expression. */
3122e6f0	252	struct bt_list_head expressions;
ae5193a6 MD	253	} integer;
	254	struct {
	255	/* Children nodes are ctf_expression. */
3122e6f0	256	struct bt_list_head expressions;
ae5193a6 MD	257	} string;
	258	struct {
	259	char *id;
67905e42 MD	260	/*
	261	* Range list or single value node. Contains unary
	262	* expressions.
	263	*/
3122e6f0	264	struct bt_list_head values;
ae5193a6 MD	265	} enumerator;
	266	struct {
	267	char *enum_id;
7d4192cb	268	/*
3e11b713 MD	269	* Either NULL, or points to unary expression or
3e11b713 MD	270	* type_specifier_list.
7d4192cb	271	*/
3e11b713	272	struct ctf_node *container_type;
3122e6f0	273	struct bt_list_head enumerator_list;
add40b62	274	int has_body;
ae5193a6 MD	275	} _enum;
ae5193a6 MD	276	struct {
3e11b713	277	struct ctf_node *type_specifier_list;
3122e6f0	278	struct bt_list_head type_declarators;
ae5193a6 MD	279	} struct_or_variant_declaration;
ae5193a6 MD	280	struct {
6dc474b8 MD	281	char *name;
6dc474b8 MD	282	char *choice;
7de8808c	283	/* list of typedef, typealias and declarations */
3122e6f0	284	struct bt_list_head declaration_list;
1ee8e81d	285	int has_body;
ae5193a6 MD	286	} variant;
ae5193a6 MD	287	struct {
7de8808c	288	char *name;
6dc474b8	289	/* list of typedef, typealias and declarations */
3122e6f0	290	struct bt_list_head declaration_list;
1ee8e81d	291	int has_body;
3122e6f0	292	struct bt_list_head min_align; /* align() attribute */
ae5193a6 MD	293	} _struct;
ae5193a6 MD	294	} u;
8b9d5b5e MD	295	};
8b9d5b5e MD	296
34d3acc4 MD	297	struct ctf_ast {
34d3acc4 MD	298	struct ctf_node root;
3122e6f0	299	struct bt_list_head allocated_nodes;
34d3acc4	300	};
8b9d5b5e	301
34f7b02c MD	302	const char node_type(struct ctf_node node);
34f7b02c MD	303
ab4cf058 MD	304	struct ctf_trace;
ab4cf058 MD	305
2e937fb4	306	BT_HIDDEN
7de8808c	307	int ctf_visitor_print_xml(FILE fd, int depth, struct ctf_node node);
2e937fb4	308	BT_HIDDEN
67905e42	309	int ctf_visitor_semantic_check(FILE fd, int depth, struct ctf_node node);
2e937fb4	310	BT_HIDDEN
67905e42	311	int ctf_visitor_parent_links(FILE fd, int depth, struct ctf_node node);
2e937fb4	312	BT_HIDDEN
ab4cf058 MD	313	int ctf_visitor_construct_metadata(FILE fd, int depth, struct ctf_node node,
ab4cf058 MD	314	struct ctf_trace *trace, int byte_order);
2e937fb4	315	BT_HIDDEN
15d4fe3c	316	int ctf_destroy_metadata(struct ctf_trace *trace);
7de8808c	317
eb31c5e6	318	#endif /* _CTF_AST_H */