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167 lines
5.7 KiB
C
167 lines
5.7 KiB
C
/*****************************************************************************/
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/* */
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/* output.c */
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/* */
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/* Output file handling */
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/* */
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/* */
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/* */
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/* (C) 2009-2012, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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/* common */
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#include "check.h"
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#include "fname.h"
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#include "print.h"
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#include "xmalloc.h"
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/* cc65 */
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#include "error.h"
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#include "global.h"
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#include "output.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Name of the output file. Dynamically allocated and read only. */
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const char* OutputFilename = 0;
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/* Output file handle */
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FILE* OutputFile = 0;
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void SetOutputName (const char* Name)
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/* Sets the name of the output file. */
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{
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OutputFilename = Name;
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}
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void MakeDefaultOutputName (const char* InputFilename)
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/* If the name of the output file is empty or NULL, the name of the output
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** file is derived from the input file by adjusting the file name extension.
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*/
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{
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if (OutputFilename == 0 || *OutputFilename == '\0') {
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/* We don't have an output file for now */
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const char* Ext = PreprocessOnly? ".i" : ".s";
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OutputFilename = MakeFilename (InputFilename, Ext);
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}
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}
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void OpenOutputFile ()
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/* Open the output file. Will call Fatal() in case of failures. */
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{
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/* Output file must not be open and we must have a name*/
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PRECONDITION (OutputFile == 0 && OutputFilename != 0);
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/* Open the file */
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OutputFile = fopen (OutputFilename, "w");
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if (OutputFile == 0) {
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Fatal ("Cannot open output file '%s': %s", OutputFilename, strerror (errno));
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}
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Print (stdout, 1, "Opened output file '%s'\n", OutputFilename);
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}
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void OpenDebugOutputFile (const char* Name)
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/* Open an output file for debugging purposes. Will call Fatal() in case of
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** failures.
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*/
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{
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/* Output file must not be open and we must have a name*/
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PRECONDITION (OutputFile == 0);
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/* Open the file */
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OutputFile = fopen (Name, "w");
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if (OutputFile == 0) {
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Fatal ("Cannot open debug output file '%s': %s", Name, strerror (errno));
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}
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Print (stdout, 1, "Opened debug output file '%s'\n", Name);
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}
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void CloseOutputFile ()
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/* Close the output file. Will call Fatal() in case of failures. */
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{
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/* Output file must be open */
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PRECONDITION (OutputFile != 0);
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/* Close the file, check for errors */
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if (fclose (OutputFile) != 0) {
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remove (OutputFilename);
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Fatal ("Cannot write to output file (disk full?)");
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}
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Print (stdout, 1, "Closed output file '%s'\n", OutputFilename);
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OutputFile = 0;
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}
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int WriteOutput (const char* Format, ...)
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/* Write to the output file using printf like formatting. Returns the number
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** of chars written.
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*/
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{
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va_list ap;
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int CharCount;
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/* Must have an output file */
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PRECONDITION (OutputFile != 0);
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/* Output formatted */
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va_start (ap, Format);
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CharCount = vfprintf (OutputFile, Format, ap);
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va_end (ap);
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/* Return the number of chars written */
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return CharCount;
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}
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