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uz
291
src/ca65/error.c
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291
src/ca65/error.c
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/*****************************************************************************/
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/* */
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/* error.c */
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/* */
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/* Error handling for the ca65 macroassembler */
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/* */
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/* */
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/* */
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/* (C) 1998-2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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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 <stdlib.h>
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#include <stdarg.h>
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#include "scanner.h"
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#include "error.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Warning level */
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unsigned WarnLevel = 1;
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/* Messages for internal compiler errors */
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const char _MsgCheckFailed [] =
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"Check failed: `%s' (= %d), file `%s', line %u\n";
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const char _MsgPrecondition [] =
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"Precondition violated: `%s' (= %d), file `%s', line %u\n";
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const char _MsgFail [] =
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"%s, file `%s', line %u\n";
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/* Statistics */
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unsigned ErrorCount = 0;
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unsigned WarningCount = 0;
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/*****************************************************************************/
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/* Warnings */
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/*****************************************************************************/
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void WarningMsg (const FilePos* Pos, unsigned WarnNum, va_list ap)
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/* Print warning message. */
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{
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static const struct {
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unsigned char Level;
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const char* Msg;
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} Warnings [WARN_COUNT-1] = {
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{ 1, "Mask error" },
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{ 2, "Symbol `%s' is defined but never used" },
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{ 2, "Symbol `%s' is imported but never used" },
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{ 1, "Cannot track processor status byte" },
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};
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if (Warnings [WarnNum-1].Level <= WarnLevel) {
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fprintf (stderr, "%s(%lu): Warning #%u: ",
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GetFileName (Pos->Name), Pos->Line, WarnNum);
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vfprintf (stderr, Warnings [WarnNum-1].Msg, ap);
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fprintf (stderr, "\n");
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++WarningCount;
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}
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}
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void Warning (unsigned WarnNum, ...)
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/* Print warning message. */
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{
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va_list ap;
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va_start (ap, WarnNum);
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WarningMsg (&CurPos, WarnNum, ap);
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va_end (ap);
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}
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void PWarning (const FilePos* Pos, unsigned WarnNum, ...)
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/* Print warning message giving an explicit file and position. */
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{
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va_list ap;
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va_start (ap, WarnNum);
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WarningMsg (Pos, WarnNum, ap);
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va_end (ap);
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}
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/*****************************************************************************/
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/* Errors */
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/*****************************************************************************/
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void ErrorMsg (const FilePos* Pos, unsigned ErrNum, va_list ap)
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/* Print an error message */
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{
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static const char* Msgs [ERR_COUNT-1] = {
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"Command/operation not implemented",
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"Cannot open include file `%s': %s",
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"Include nesting too deep",
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"Invalid input character: %02X",
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"Hex digit expected",
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"Digit expected",
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"`0' or `1' expected",
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"Numerical overflow",
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"Control statement expected",
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"Too many characters",
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"`:' expected",
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"`(' expected",
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"`)' expected",
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"`]' expected",
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"`,' expected",
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"Boolean switch value expected (on/off/+/-)",
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"`Y' expected",
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"`X' expected",
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"Integer constant expected",
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"String constant expected",
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"Character constant expected",
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"Constant expression expected",
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"Identifier expected",
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"`.endmacro' expected",
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"Option key expected",
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"Command is only valid in 65816 mode",
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"User error: %s",
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"String constant too long",
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"Newline in string constant",
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"Illegal character constant",
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"Illegal addressing mode",
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"Illegal character to start local symbols",
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"Illegal use of local symbol",
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"Illegal segment name: `%s'",
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"Illegal segment attribute",
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"Illegal macro package name",
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"Illegal emulation feature",
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"Syntax error",
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"Symbol `%s' is already defined",
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"Undefined symbol `%s'",
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"Symbol `%s' is marked as import",
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"Symbol `%s' is marked as export",
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"Exported symbol `%s' is undefined",
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"Exported values must be constant",
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".IF nesting too deep",
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"Unexpected end of line",
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"Unexpected `%s'",
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"Division by zero",
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"Modulo operation with zero",
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"Range error",
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"Too many macro parameters",
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"Macro parameter expected",
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"Circular reference in symbol definition",
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"Symbol redeclaration mismatch",
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"Alignment value must be a power of 2",
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"Duplicate `.ELSE'",
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"Conditional assembly branch was never closed",
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"Lexical level was not terminated correctly",
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"Segment attribute mismatch",
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"CPU not supported",
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"Counter underflow",
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"Undefined label",
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};
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fprintf (stderr, "%s(%lu): Error #%u: ",
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GetFileName (Pos->Name), Pos->Line, ErrNum);
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vfprintf (stderr, Msgs [ErrNum-1], ap);
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fprintf (stderr, "\n");
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++ErrorCount;
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}
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void Error (unsigned ErrNum, ...)
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/* Print an error message */
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{
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va_list ap;
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va_start (ap, ErrNum);
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ErrorMsg (&CurPos, ErrNum, ap);
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va_end (ap);
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}
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void PError (const FilePos* Pos, unsigned ErrNum, ...)
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/* Print an error message giving an explicit file and position. */
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{
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va_list ap;
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va_start (ap, ErrNum);
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ErrorMsg (Pos, ErrNum, ap);
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va_end (ap);
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}
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void ErrorSkip (unsigned ErrNum, ...)
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/* Print an error message and skip the rest of the line */
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{
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va_list ap;
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va_start (ap, ErrNum);
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ErrorMsg (&CurPos, ErrNum, ap);
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va_end (ap);
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SkipUntilSep ();
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}
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void Fatal (unsigned FatNum, ...)
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/* Print a message about a fatal error and die */
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{
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static const char* Msgs [FAT_COUNT-1] = {
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"Maximum number of input files reached",
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"Out of memory",
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"Too many segments",
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"String too long",
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"Cannot open input file `%s': %s",
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"Cannot stat input file `%s': %s",
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"Cannot open output file `%s': %s",
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"Cannot write to output file `%s': %s",
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"Cannot open listing file: %s",
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"Cannot write to listing file: %s",
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"Cannot read from listing file: %s",
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"Macro nesting too deep",
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"Too many symbols",
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};
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va_list ap;
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va_start (ap, FatNum);
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fprintf (stderr, "Fatal #%u: ", FatNum);
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vfprintf (stderr, Msgs [FatNum-1], ap);
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fprintf (stderr, "\n");
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va_end (ap);
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/* And die... */
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exit (EXIT_FAILURE);
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}
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void Internal (const char* Format, ...)
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/* Print a message about an internal compiler error and die. */
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{
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va_list ap;
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va_start (ap, Format);
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fprintf (stderr, "Internal assembler error\n");
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vfprintf (stderr, Format, ap);
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va_end (ap);
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fprintf (stderr, "\n");
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exit (EXIT_FAILURE);
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}
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