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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-18 15:43:29 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-12-18 15:43:29 +0000 |
commit | eb3074a4fe3b7c86d2a3ca139eb881964f2f23e1 (patch) | |
tree | 5ce1e76df21acb8d0b5b209fe7f2461a78c36a8e /misc/pascal/insn16/libinsn/pgetopcode.c | |
parent | af6cfa901fa8cc78607976e8ed8aedc195500aff (diff) | |
download | nuttx-eb3074a4fe3b7c86d2a3ca139eb881964f2f23e1.tar.gz nuttx-eb3074a4fe3b7c86d2a3ca139eb881964f2f23e1.tar.bz2 nuttx-eb3074a4fe3b7c86d2a3ca139eb881964f2f23e1.zip |
Update to use stdint/stdbool.h
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2383 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'misc/pascal/insn16/libinsn/pgetopcode.c')
-rw-r--r-- | misc/pascal/insn16/libinsn/pgetopcode.c | 278 |
1 files changed, 140 insertions, 138 deletions
diff --git a/misc/pascal/insn16/libinsn/pgetopcode.c b/misc/pascal/insn16/libinsn/pgetopcode.c index b9167a016..cc6f93077 100644 --- a/misc/pascal/insn16/libinsn/pgetopcode.c +++ b/misc/pascal/insn16/libinsn/pgetopcode.c @@ -1,138 +1,140 @@ -/**********************************************************************
- * pgetopcode.c
- * P-Code access utilities
- *
- * Copyright (C) 2008 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- **********************************************************************/
-
-/**********************************************************************
- * Included Files
- **********************************************************************/
-
-#include "keywords.h"
-#include "podefs.h"
-#include "pinsn16.h"
-
-#include "paslib.h"
-#include "pofflib.h"
-#include "pinsn.h"
-
-/**********************************************************************
- * Private Function Prototypes
- **********************************************************************/
-
-/**********************************************************************
- * Global Variables
- **********************************************************************/
-
-static sint16 g_bEndIn = 0; /* 1 = oEND pcode or EOF received */
-
-/**********************************************************************
- * Private Variables
- **********************************************************************/
-
-/**********************************************************************
- * Private Functions
- **********************************************************************/
-
-/**********************************************************************
- * Global Functions
- **********************************************************************/
-
-/**********************************************************************/
-
-uint32 insn_GetOpCode(poffHandle_t handle, OPTYPE *ptr)
-{
- uint32 opsize = 1;
- int c;
-
- TRACE(stderr, "[insn_GetOpCode]");
-
- /* If we are not already at the EOF, read the next character from
- * the input stream.
- */
-
- if (!g_bEndIn)
- c = poffGetProgByte(handle);
- else
- c = EOF;
-
- /* Check for end of file. We may have previously parsed oEND which
- * is a 'logical' end of file for a pascal program (but not a unit)
- * or we may be at the physical end of the file wihout encountering
- * oEND (typical for a UNIT file).
- */
-
- if ((g_bEndIn) || (c == EOF))
- {
- ptr->op = oEND;
- ptr->arg1 = 0;
- ptr->arg2 = 0;
- } /* end if */
- else
- {
- ptr->op = c;
- g_bEndIn = (ptr->op == oEND);
-
- if (ptr->op & o8)
- {
- ptr->arg1 = poffGetProgByte(handle);
- opsize++;
- }
- else
- {
- ptr->arg1 = 0;
- }
-
- if (ptr->op & o16)
- {
- ptr->arg2 = (poffGetProgByte(handle) << 8);
- ptr->arg2 |= (poffGetProgByte(handle) & 0xff);
- opsize += 2;
- }
- else
- {
- ptr->arg2 = 0;
- }
- }
- return opsize;
-}
-
-/**********************************************************************/
-
-void insn_ResetOpCodeRead(poffHandle_t handle)
-{
- poffResetAccess(handle);
- g_bEndIn = 0;
-}
-
-/***********************************************************************/
+/********************************************************************** + * pgetopcode.c + * P-Code access utilities + * + * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + **********************************************************************/ + +/********************************************************************** + * Included Files + **********************************************************************/ + +#include <stdint.h> + +#include "keywords.h" +#include "podefs.h" +#include "pinsn16.h" + +#include "paslib.h" +#include "pofflib.h" +#include "pinsn.h" + +/********************************************************************** + * Private Function Prototypes + **********************************************************************/ + +/********************************************************************** + * Global Variables + **********************************************************************/ + +static int16_t g_bEndIn = 0; /* 1 = oEND pcode or EOF received */ + +/********************************************************************** + * Private Variables + **********************************************************************/ + +/********************************************************************** + * Private Functions + **********************************************************************/ + +/********************************************************************** + * Global Functions + **********************************************************************/ + +/**********************************************************************/ + +uint32_t insn_GetOpCode(poffHandle_t handle, OPTYPE *ptr) +{ + uint32_t opsize = 1; + int c; + + TRACE(stderr, "[insn_GetOpCode]"); + + /* If we are not already at the EOF, read the next character from + * the input stream. + */ + + if (!g_bEndIn) + c = poffGetProgByte(handle); + else + c = EOF; + + /* Check for end of file. We may have previously parsed oEND which + * is a 'logical' end of file for a pascal program (but not a unit) + * or we may be at the physical end of the file wihout encountering + * oEND (typical for a UNIT file). + */ + + if ((g_bEndIn) || (c == EOF)) + { + ptr->op = oEND; + ptr->arg1 = 0; + ptr->arg2 = 0; + } /* end if */ + else + { + ptr->op = c; + g_bEndIn = (ptr->op == oEND); + + if (ptr->op & o8) + { + ptr->arg1 = poffGetProgByte(handle); + opsize++; + } + else + { + ptr->arg1 = 0; + } + + if (ptr->op & o16) + { + ptr->arg2 = (poffGetProgByte(handle) << 8); + ptr->arg2 |= (poffGetProgByte(handle) & 0xff); + opsize += 2; + } + else + { + ptr->arg2 = 0; + } + } + return opsize; +} + +/**********************************************************************/ + +void insn_ResetOpCodeRead(poffHandle_t handle) +{ + poffResetAccess(handle); + g_bEndIn = 0; +} + +/***********************************************************************/ |