1 files changed, 77 insertions, 0 deletions
diff --git a/src/sqlhist-parse.h b/src/sqlhist-parse.h
new file mode 100644
index 0000000..7bd2a63
--- /dev/null
+++ b/src/sqlhist-parse.h
@@ -0,0 +1,77 @@
+#ifndef __SQLHIST_PARSE_H
+#define __SQLHIST_PARSE_H
+
+#include <stdarg.h>
+#include <tracefs.h>
+
+#include <tracefs-local.h>
+
+struct str_hash;
+
+struct sql_table;
+
+struct sqlhist_bison {
+	void			*scanner;
+	const char		*buffer;
+	size_t			buffer_size;
+	size_t			buffer_idx;
+	int			line_no;
+	int			line_idx;
+	struct sql_table	*table;
+	char			*parse_error_str;
+	struct str_hash         *str_hash[1 << HASH_BITS];
+};
+
+#include "sqlhist.tab.h"
+
+enum filter_type {
+	FILTER_GROUP,
+	FILTER_NOT_GROUP,
+	FILTER_EQ,
+	FILTER_NE,
+	FILTER_LE,
+	FILTER_LT,
+	FILTER_GE,
+	FILTER_GT,
+	FILTER_BIN_AND,
+	FILTER_STR_CMP,
+	FILTER_AND,
+	FILTER_OR,
+};
+
+enum compare_type {
+	COMPARE_GROUP,
+	COMPARE_ADD,
+	COMPARE_SUB,
+	COMPARE_MUL,
+	COMPARE_DIV,
+	COMPARE_BIN_AND,
+	COMPARE_BIN_OR,
+	COMPARE_AND,
+	COMPARE_OR,
+};
+
+char * store_str(struct sqlhist_bison *sb, const char *str);
+
+int table_start(struct sqlhist_bison *sb);
+
+void *add_field(struct sqlhist_bison *sb, const char *field, const char *label);
+
+void *add_filter(struct sqlhist_bison *sb, void *A, void *B, enum filter_type op);
+
+int add_match(struct sqlhist_bison *sb, void *A, void *B);
+void *add_compare(struct sqlhist_bison *sb, void *A, void *B, enum compare_type type);
+int add_where(struct sqlhist_bison *sb, void *expr);
+
+int add_selection(struct sqlhist_bison *sb, void *item, const char *label);
+int add_from(struct sqlhist_bison *sb, void *item);
+int add_to(struct sqlhist_bison *sb, void *item);
+void *add_cast(struct sqlhist_bison *sb, void *field, const char *type);
+
+void *add_string(struct sqlhist_bison *sb, const char *str);
+void *add_number(struct sqlhist_bison *sb, long val);
+
+extern void sql_parse_error(struct sqlhist_bison *sb, const char *text,
+			    const char *fmt, va_list ap);
+
+#endif