SoW-2019-0002: Dynamic Snapshot

[lttng-tools.git] / src / lib / lttng-ctl / filter / filter-ast.h

diff --git a/src/lib/lttng-ctl/filter/filter-ast.h b/src/lib/lttng-ctl/filter/filter-ast.h
deleted file mode 100644 (file)
index fd322df..0000000
--- a/src/lib/lttng-ctl/filter/filter-ast.h
+++ /dev/null
@@ -1,186 +0,0 @@
-#ifndef _FILTER_AST_H
-#define _FILTER_AST_H
-
-/*
- * filter-ast.h
- *
- * LTTng filter AST
- *
- * Copyright 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- */
-
-/*
- * Note: filter-ast.h should be included before filter-parser.h.
- */
-
-#include <urcu/list.h>
-#include <stdint.h>
-
-#define printf_debug(fmt, args...)                                     \
-       do {                                                            \
-               if (filter_parser_debug)                                \
-                       fprintf(stdout, "[debug] " fmt, ## args);       \
-       } while (0)
-
-// the parameter name (of the reentrant 'yyparse' function)
-// data is a pointer to a 'SParserParam' structure
-//#define YYPARSE_PARAM        parser_ctx
-
-#ifndef YY_TYPEDEF_YY_SCANNER_T
-#define YY_TYPEDEF_YY_SCANNER_T
-typedef void* yyscan_t;
-#endif
-
-extern int filter_parser_debug;
-
-struct filter_node;
-struct filter_parser;
-
-enum node_type {
-       NODE_UNKNOWN = 0,
-       NODE_ROOT,
-
-       NODE_EXPRESSION,
-       NODE_OP,
-       NODE_UNARY_OP,
-
-       NR_NODE_TYPES,
-};
-
-enum op_type {
-       AST_OP_UNKNOWN = 0,
-       AST_OP_MUL,
-       AST_OP_DIV,
-       AST_OP_MOD,
-       AST_OP_PLUS,
-       AST_OP_MINUS,
-       AST_OP_BIT_RSHIFT,
-       AST_OP_BIT_LSHIFT,
-       AST_OP_AND,
-       AST_OP_OR,
-       AST_OP_BIT_AND,
-       AST_OP_BIT_OR,
-       AST_OP_BIT_XOR,
-
-       AST_OP_EQ,
-       AST_OP_NE,
-       AST_OP_GT,
-       AST_OP_LT,
-       AST_OP_GE,
-       AST_OP_LE,
-};
-
-enum unary_op_type {
-       AST_UNARY_UNKNOWN = 0,
-       AST_UNARY_PLUS,
-       AST_UNARY_MINUS,
-       AST_UNARY_NOT,
-       AST_UNARY_BIT_NOT,
-};
-
-enum ast_link_type {
-       AST_LINK_UNKNOWN = 0,
-       AST_LINK_DOT,
-       AST_LINK_RARROW,
-       AST_LINK_BRACKET,
-};
-
-struct filter_node {
-       /*
-        * Parent node is only set on demand by specific visitor.
-        */
-       struct filter_node *parent;
-       struct cds_list_head gc;
-
-       enum node_type type;
-       union {
-               struct {
-               } unknown;
-               struct {
-                       struct filter_node *child;
-               } root;
-               struct {
-                       enum {
-                               AST_EXP_UNKNOWN = 0,
-                               AST_EXP_STRING,
-                               AST_EXP_CONSTANT,
-                               AST_EXP_FLOAT_CONSTANT,
-                               AST_EXP_IDENTIFIER,
-                               AST_EXP_GLOBAL_IDENTIFIER,
-                               AST_EXP_NESTED,
-                       } type;
-                       enum ast_link_type post_op;     /* reverse */
-                       enum ast_link_type pre_op;      /* forward */
-                       union {
-                               char *string;
-                               uint64_t constant;
-                               double float_constant;
-                               char *identifier;
-                               /*
-                                * child can be nested.
-                                */
-                               struct filter_node *child;
-                       } u;
-                       /* prev: backward dot/arrow chain (postfix expression) */
-                       struct filter_node *prev;
-                       /* next: forward dot/arrow chain, generated by a visitor. */
-                       struct filter_node *next;
-                       /* next_bracket: linked bracket chain (prefix expression) */
-                       struct filter_node *next_bracket;
-               } expression;
-               struct {
-                       enum op_type type;
-                       struct filter_node *lchild;
-                       struct filter_node *rchild;
-               } op;
-               struct {
-                       enum unary_op_type type;
-                       struct filter_node *child;
-               } unary_op;
-       } u;
-};
-
-struct filter_ast {
-       struct filter_node root;
-       struct cds_list_head allocated_nodes;
-};
-
-const char *node_type(struct filter_node *node);
-
-struct ir_op;
-
-struct filter_parser_ctx {
-       yyscan_t scanner;
-       struct filter_ast *ast;
-       struct cds_list_head allocated_strings;
-       struct ir_op *ir_root;
-       struct lttng_filter_bytecode_alloc *bytecode;
-       struct lttng_filter_bytecode_alloc *bytecode_reloc;
-};
-
-struct filter_parser_ctx *filter_parser_ctx_alloc(FILE *input);
-void filter_parser_ctx_free(struct filter_parser_ctx *parser_ctx);
-int filter_parser_ctx_append_ast(struct filter_parser_ctx *parser_ctx);
-
-static inline
-struct filter_ast *filter_parser_get_ast(struct filter_parser_ctx *parser_ctx)
-{
-       return parser_ctx->ast;
-}
-
-int filter_visitor_print_xml(struct filter_parser_ctx *ctx, FILE *stream,
-                       int indent);
-int filter_visitor_ir_generate(struct filter_parser_ctx *ctx);
-void filter_ir_free(struct filter_parser_ctx *ctx);
-int filter_visitor_bytecode_generate(struct filter_parser_ctx *ctx);
-void filter_bytecode_free(struct filter_parser_ctx *ctx);
-int filter_visitor_ir_check_binary_op_nesting(struct filter_parser_ctx *ctx);
-int filter_visitor_ir_check_binary_comparator(struct filter_parser_ctx *ctx);
-int filter_visitor_ir_validate_string(struct filter_parser_ctx *ctx);
-int filter_visitor_ir_normalize_glob_patterns(struct filter_parser_ctx *ctx);
-int filter_visitor_ir_validate_globbing(struct filter_parser_ctx *ctx);
-
-#endif /* _FILTER_AST_H */