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 "Cannot open include file `%s': %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: ",
189 GetCurrentFile(), curpos, WarnNum);
191 va_start (ap, WarnNum);
192 vfprintf (stderr, WarnMsg [WarnNum-1], ap);
194 fprintf (stderr, "\n");
197 fprintf (stderr, "Line: %s\n", line);
205 void PPWarning (unsigned WarnNum, ...)
206 /* Print warning message. For use within the preprocessor. */
211 fprintf (stderr, "%s(%u): Warning #%u: ",
212 GetCurrentFile(), GetCurrentLine(), WarnNum);
214 va_start (ap, WarnNum);
215 vfprintf (stderr, WarnMsg [WarnNum-1], ap);
217 fprintf (stderr, "\n");
224 void Error (unsigned ErrNum, ...)
225 /* Print an error message */
229 fprintf (stderr, "%s(%u): Error #%u: ",
230 GetCurrentFile(), curpos, ErrNum);
232 va_start (ap, ErrNum);
233 vfprintf (stderr, ErrMsg [ErrNum-1], ap);
235 fprintf (stderr, "\n");
238 fprintf (stderr, "Line: %s\n", line);
241 if (ErrorCount > 10) {
242 Fatal (FAT_TOO_MANY_ERRORS);
248 void PPError (unsigned ErrNum, ...)
249 /* Print an error message. For use within the preprocessor. */
253 fprintf (stderr, "%s(%u): Error #%u: ",
254 GetCurrentFile(), GetCurrentLine(), ErrNum);
256 va_start (ap, ErrNum);
257 vfprintf (stderr, ErrMsg [ErrNum-1], ap);
259 fprintf (stderr, "\n");
262 if (ErrorCount > 10) {
263 Fatal (FAT_TOO_MANY_ERRORS);
269 void Fatal (unsigned FatNum, ...)
270 /* Print a message about a fatal error and die */
274 fprintf (stderr, "%s(%u): Fatal #%u: ",
275 GetCurrentFile(), curpos, FatNum);
277 va_start (ap, FatNum);
278 vfprintf (stderr, FatMsg [FatNum-1], ap);
280 fprintf (stderr, "\n");
283 fprintf (stderr, "Line: %s\n", line);
290 void Internal (char* Format, ...)
291 /* Print a message about an internal compiler error and die. */
295 fprintf (stderr, "%s(%u): Internal compiler error:\n",
296 GetCurrentFile(), curpos);
298 va_start (ap, Format);
299 vfprintf (stderr, Format, ap);
301 fprintf (stderr, "\nLine: %s\n", line);
303 /* Use abort to create a core dump */
309 void ErrorReport (void)
310 /* Report errors (called at end of compile) */
312 if (ErrorCount == 0 && Verbose) {
313 printf ("No errors.\n");