1 /*****************************************************************************/
5 /* Error handling for the cc65 C compiler */
9 /* (C) 1998 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
54 static char* WarnMsg [WARN_COUNT-1] = {
56 "Condition is never true",
57 "Condition is always true",
58 "Converting pointer to integer without a cast",
59 "Converting integer to pointer without a cast",
60 "Function call without a prototype",
63 "Function must be extern",
64 "Parameter `%s' is never used",
65 "`%s' is defined but never used",
67 "`/*' found inside a comment",
68 "Useless declaration",
73 /* Error messages sorted by ErrTypes */
74 static char* ErrMsg [ERR_COUNT-1] = {
75 "Invalid character (%u)",
77 "End-of-file reached in comment starting at line %u",
88 "Identifier expected",
91 "Incompatible pointer types",
92 "Too many arguments in function call",
93 "Too few arguments in function call",
94 "Macro argument count mismatch",
95 "Duplicate macro parameter: %s",
96 "Variable identifier expected",
97 "Integer expression expected",
98 "Constant expression expected",
100 "`\"' or `<' expected",
101 "Missing terminator or name too long",
102 "Include file `%s' not found",
103 "Open failure on include file `%s'",
104 "Invalid #error directive",
106 "Unexpected `#endif'",
107 "Unexpected `#else'",
109 "Compiler directive expected",
110 "Symbol `%s' defined more than once",
111 "String literal expected",
113 "Function must return a value",
114 "Function cannot return a value",
115 "Unexpected `continue'",
116 "Undefined symbol: `%s'",
117 "Undefined label: `%s'",
118 "Include nesting too deep",
119 "Too many local variables",
120 "Too many initializers",
121 "Cannot initialize incomplete type",
123 "Operation not allowed on these types",
125 "Struct/union has no field named `%s'",
126 "Struct pointer expected",
128 "Expression expected",
129 "Preprocessor expression expected",
131 "Illegal function call",
132 "Illegal indirection",
134 "Illegal macro call",
136 "Illegal character constant",
138 "Illegal storage class",
140 "Modulo operation with zero",
142 "Symbol is already different kind",
143 "Too many lexical levels",
144 "Parameter name omitted",
145 "Old style function decl used as prototype",
146 "Declaration for parameter `%s' but no such parameter",
147 "Cannot take address of a register variable",
148 "Illegal size of data type",
149 "__fastcall__ is not allowed for C functions",
150 "Variable has unknown size",
151 "Unknown identifier: `%s'",
156 static char* FatMsg [FAT_COUNT-1] = {
158 "Cannot open output file: %s",
159 "Cannot write to output file (disk full?)",
160 "Cannot open input file: %s",
164 "Out of string space",
165 "Too many case labels",
170 /* Count of errors/warnings */
171 unsigned ErrorCount = 0;
172 unsigned WarningCount = 0;
176 /*****************************************************************************/
178 /*****************************************************************************/
182 void Warning (unsigned WarnNum, ...)
183 /* Print warning message. */
188 fprintf (stderr, "%s(%u): Warning #%u: ", fin, curpos, WarnNum);
190 va_start (ap, WarnNum);
191 vfprintf (stderr, WarnMsg [WarnNum-1], ap);
193 fprintf (stderr, "\n");
196 fprintf (stderr, "Line: %s\n", line);
204 void PPWarning (unsigned WarnNum, ...)
205 /* Print warning message. For use within the preprocessor. */
210 fprintf (stderr, "%s(%u): Warning #%u: ", fin, ln, WarnNum);
212 va_start (ap, WarnNum);
213 vfprintf (stderr, WarnMsg [WarnNum-1], ap);
215 fprintf (stderr, "\n");
222 void Error (unsigned ErrNum, ...)
223 /* Print an error message */
227 fprintf (stderr, "%s(%u): Error #%u: ", fin, curpos, ErrNum);
229 va_start (ap, ErrNum);
230 vfprintf (stderr, ErrMsg [ErrNum-1], ap);
232 fprintf (stderr, "\n");
235 fprintf (stderr, "Line: %s\n", line);
238 if (ErrorCount > 10) {
239 Fatal (FAT_TOO_MANY_ERRORS);
245 void PPError (unsigned ErrNum, ...)
246 /* Print an error message. For use within the preprocessor. */
250 fprintf (stderr, "%s(%u): Error #%u: ", fin, ln, ErrNum);
252 va_start (ap, ErrNum);
253 vfprintf (stderr, ErrMsg [ErrNum-1], ap);
255 fprintf (stderr, "\n");
258 if (ErrorCount > 10) {
259 Fatal (FAT_TOO_MANY_ERRORS);
265 void Fatal (unsigned FatNum, ...)
266 /* Print a message about a fatal error and die */
270 fprintf (stderr, "%s(%u): Fatal #%u: ", fin, curpos, FatNum);
272 va_start (ap, FatNum);
273 vfprintf (stderr, FatMsg [FatNum-1], ap);
275 fprintf (stderr, "\n");
278 fprintf (stderr, "Line: %s\n", line);
285 void Internal (char* Format, ...)
286 /* Print a message about an internal compiler error and die. */
290 fprintf (stderr, "%s(%u): Internal compiler error:\n", fin, curpos);
292 va_start (ap, Format);
293 vfprintf (stderr, Format, ap);
295 fprintf (stderr, "\nLine: %s\n", line);
297 /* Use abort to create a core dump */
303 void ErrorReport (void)
304 /* Report errors (called at end of compile) */
306 if (ErrorCount == 0 && Verbose) {
307 printf ("No errors.\n");