• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/adlc/filebuff.hpp@acd345f4f9e5 (annotated)

src/share/vm/adlc/filebuff.hpp

Tue, 06 May 2014 09:56:55 -0400

author

lfoltan

date

Tue, 06 May 2014 09:56:55 -0400

changeset 9816

acd345f4f9e5

parent 4161

d336b3173277

child 9852

70aa912cebe5

permissions

-rw-r--r--

8041620: Solaris Studio 12.4 C++ 5.13 change in behavior for placing friend declarations within surrounding scope.
Summary: Remove adlc's unused class FileBuffRegion.
Reviewed-by: coleenp, dholmes, kvn

duke@435	1	/*
lfoltan@9816	2	* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_ADLC_FILEBUFF_HPP
stefank@2314	26	#define SHARE_VM_ADLC_FILEBUFF_HPP
stefank@2314	27
duke@435	28	// FILEBUFF.HPP - Definitions for parser file buffering routines
xlu@664	29	#include <iostream>
duke@435	30
xlu@664	31	using namespace std;
twisti@1038	32
duke@435	33	// STRUCTURE FOR HANDLING INPUT AND OUTPUT FILES
kvn@4161	34
kvn@4161	35	class BufferedFile {
kvn@4161	36	public:
duke@435	37	const char *_name;
duke@435	38	FILE *_fp;
kvn@4161	39	inline BufferedFile() { _name = NULL; _fp = NULL; };
kvn@4161	40	inline ~BufferedFile() {};
kvn@4161	41	};
duke@435	42
duke@435	43	class ArchDesc;
duke@435	44
duke@435	45	//------------------------------FileBuff--------------------------------------
duke@435	46	// This class defines a nicely behaved buffer of text. Entire file of text
twisti@1040	47	// is read into buffer at creation, with sentinels at start and end.
duke@435	48	class FileBuff {
duke@435	49	private:
duke@435	50	long _bufferSize; // Size of text holding buffer.
duke@435	51	long _offset; // Expected filepointer offset.
duke@435	52	long _bufoff; // Start of buffer file offset
duke@435	53
duke@435	54	char *_buf; // The buffer itself.
twisti@1040	55	char *_bigbuf; // The buffer plus sentinels; actual heap area
twisti@1040	56	char *_bufmax; // A pointer to the buffer end sentinel
duke@435	57	char *_bufeol; // A pointer to the last complete line end
duke@435	58
duke@435	59	int _err; // Error flag for file seek/read operations
duke@435	60	long _filepos; // Current offset from start of file
never@850	61	int _linenum;
duke@435	62
duke@435	63	ArchDesc& _AD; // Reference to Architecture Description
duke@435	64
duke@435	65	// Error reporting function
duke@435	66	void file_error(int flag, int linenum, const char *fmt, ...);
duke@435	67
duke@435	68	public:
duke@435	69	const BufferedFile *_fp; // File to be buffered
duke@435	70
duke@435	71	FileBuff(BufferedFile *fp, ArchDesc& archDesc); // Constructor
duke@435	72	~FileBuff(); // Destructor
duke@435	73
duke@435	74	// This returns a pointer to the start of the current line in the buffer,
duke@435	75	// and increments bufeol and filepos to point at the end of that line.
duke@435	76	char *get_line(void);
never@850	77	int linenum() const { return _linenum; }
jrose@910	78	void set_linenum(int line) { _linenum = line; }
duke@435	79
duke@435	80	// This converts a pointer into the buffer to a file offset. It only works
duke@435	81	// when the pointer is valid (i.e. just obtained from getline()).
ohair@1204	82	long getoff(const char* s) { return _bufoff + (long)(s - _buf); }
duke@435	83	};
stefank@2314	84	#endif // SHARE_VM_ADLC_FILEBUFF_HPP