gbdk-releases/sdcc/support/Util/SDCCerr.c
2015-01-10 16:25:09 +01:00

464 lines
18 KiB
C

/*
* SDCCerr - Standard error handler
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include "SDCCerr.h"
#define USE_STDOUT_FOR_ERRORS 0
#if USE_STDOUT_FOR_ERRORS
#define DEFAULT_ERROR_OUT stdout
#else
#define DEFAULT_ERROR_OUT stderr
#endif
static struct {
ERROR_LOG_LEVEL logLevel;
FILE *out;
} _SDCCERRG;
extern char *filename ;
extern int lineno ;
extern int fatalError ;
/* Currently the errIndex field must match the position of the
* entry in the array. It is only included in order to make
* human error lookup easier.
*/
struct
{
int errIndex;
ERROR_LOG_LEVEL errType;
const char *errText;
} ErrTab [] =
{
{ E_DUPLICATE, ERROR_LEVEL_ERROR,
"Duplicate symbol '%s', symbol IGNORED" },
{ E_SYNTAX_ERROR, ERROR_LEVEL_ERROR,
"Syntax error, declaration ignored at '%s'" },
{ E_CONST_EXPECTED, ERROR_LEVEL_ERROR,
"Constant Expected Found Variable" },
{ E_OUT_OF_MEM, ERROR_LEVEL_ERROR,
"'malloc' failed file '%s' for size %ld" },
{ E_FILE_OPEN_ERR, ERROR_LEVEL_ERROR,
"'fopen' failed on file '%s'" },
{ E_INVALID_OCLASS, ERROR_LEVEL_ERROR,
"Internal Error Oclass invalid '%s'" },
{ E_CANNOT_ALLOC, ERROR_LEVEL_ERROR,
"Cannot allocate variable '%s'." },
{ E_OLD_STYLE, ERROR_LEVEL_ERROR,
"Old style C declaration. IGNORED '%s'" },
{ E_STACK_OUT, ERROR_LEVEL_ERROR,
"Out of stack Space. '%s' not allocated" },
{ E_INTERNAL_ERROR, ERROR_LEVEL_ERROR,
"FATAL Compiler Internal Error in file '%s' line number '%d' : %s \n"
"Contact Author with source code" },
{ E_LVALUE_REQUIRED, ERROR_LEVEL_ERROR,
"'lvalue' required for '%s' operation ." },
{ E_TMPFILE_FAILED, ERROR_LEVEL_ERROR,
"Creation of temp file failed" },
{ E_FUNCTION_EXPECTED, ERROR_LEVEL_ERROR,
"called object is not a function" },
{ E_USING_ERROR, ERROR_LEVEL_ERROR,
"'using', 'interrupt' or 'reentrant' must follow a function definiton .'%s'" },
{ E_SFR_INIT, ERROR_LEVEL_ERROR,
"Absolute address & initial value both cannot be specified for\n"
" a 'sfr','sbit' storage class, initial value ignored '%s'" },
{ W_INIT_IGNORED, ERROR_LEVEL_WARNING,
"Variable in the storage class cannot be initialized.'%s'" },
{ E_AUTO_ASSUMED, ERROR_LEVEL_ERROR,
"storage class not allowed for automatic variable '%s' in reentrant function unless static" },
{ E_AUTO_ABSA, ERROR_LEVEL_ERROR,
"absolute address not allowed for automatic var '%s' in reentrant function " },
{ W_INIT_WRONG, ERROR_LEVEL_WARNING,
"Initializer different levels of indirections" },
{ E_FUNC_REDEF, ERROR_LEVEL_ERROR,
"Function name '%s' redefined " },
{ E_ID_UNDEF, ERROR_LEVEL_ERROR,
"Undefined identifier '%s'" },
{ W_STACK_OVERFLOW, ERROR_LEVEL_WARNING,
"stack exceeds 256 bytes for function '%s'" },
{ E_NEED_ARRAY_PTR, ERROR_LEVEL_ERROR,
"Array or pointer required for '%s' operation " },
{ E_IDX_NOT_INT, ERROR_LEVEL_ERROR,
"Array index not an integer" },
{ E_ARRAY_BOUND, ERROR_LEVEL_ERROR,
"Array bound Exceeded, assuming zero" },
{ E_STRUCT_UNION, ERROR_LEVEL_ERROR,
"Structure/Union expected left of '.%s'" },
{ E_NOT_MEMBER, ERROR_LEVEL_ERROR,
"'%s' not a structure/union member" },
{ E_PTR_REQD, ERROR_LEVEL_ERROR,
"Pointer required" },
{ E_UNARY_OP, ERROR_LEVEL_ERROR,
"'unary %c': illegal operand" },
{ E_CONV_ERR, ERROR_LEVEL_ERROR,
"convertion error: integral promotion failed" },
{ E_INT_REQD, ERROR_LEVEL_ERROR,
"type must be INT for bit field definition" },
{ E_BITFLD_SIZE, ERROR_LEVEL_ERROR,
"bit field size greater than 16 . assuming 16" },
{ W_TRUNCATION, ERROR_LEVEL_WARNING,
"high order truncation might occur" },
{ E_CODE_WRITE, ERROR_LEVEL_ERROR,
"Attempt to assign value to a constant variable %s" },
{ E_LVALUE_CONST, ERROR_LEVEL_ERROR,
"Lvalue specifies constant object" },
{ E_ILLEGAL_ADDR, ERROR_LEVEL_ERROR,
"'&' illegal operand , %s" },
{ E_CAST_ILLEGAL, ERROR_LEVEL_ERROR,
"illegal cast (cast cannot be aggregate)" },
{ E_MULT_INTEGRAL, ERROR_LEVEL_ERROR,
"'*' bad operand" },
{ E_ARG_ERROR, ERROR_LEVEL_ERROR,
"Argument count error, argument ignored" },
{ E_ARG_COUNT, ERROR_LEVEL_ERROR,
"Function was expecting more arguments" },
{ E_FUNC_EXPECTED, ERROR_LEVEL_ERROR,
"Function name expected '%s'.ANSI style declaration REQUIRED" },
{ E_PLUS_INVALID, ERROR_LEVEL_ERROR,
"invalid operand '%s'" },
{ E_PTR_PLUS_PTR, ERROR_LEVEL_ERROR,
"pointer + pointer invalid" },
{ E_SHIFT_OP_INVALID, ERROR_LEVEL_ERROR,
"invalid operand for shift operator" },
{ E_COMPARE_OP, ERROR_LEVEL_ERROR,
"compare operand cannot be struct/union" },
{ E_BITWISE_OP, ERROR_LEVEL_ERROR,
"operand invalid for bitwise operation" },
{ E_ANDOR_OP, ERROR_LEVEL_ERROR,
"Invalid operand for '&&' or '||'" },
{ E_TYPE_MISMATCH, ERROR_LEVEL_ERROR,
"indirections to different types %s %s " },
{ E_AGGR_ASSIGN, ERROR_LEVEL_ERROR,
"cannot assign values to aggregates" },
{ E_ARRAY_DIRECT, ERROR_LEVEL_ERROR,
"bit Arrays can be accessed by literal index only" },
{ E_BIT_ARRAY, ERROR_LEVEL_ERROR,
"Array or Pointer to bit|sbit|sfr not allowed.'%s'" },
{ E_DUPLICATE_TYPEDEF, ERROR_LEVEL_ERROR,
"typedef/enum '%s' duplicate.Previous definiton Ignored" },
{ E_ARG_TYPE, ERROR_LEVEL_ERROR,
"Actual Argument type different from declaration %d" },
{ E_RET_VALUE, ERROR_LEVEL_ERROR,
"Function return value mismatch" },
{ E_FUNC_AGGR, ERROR_LEVEL_ERROR,
"Function cannot return aggregate. Func body ignored" },
{ E_FUNC_DEF, ERROR_LEVEL_ERROR,
"ANSI Style declaration needed" },
{ E_DUPLICATE_LABEL, ERROR_LEVEL_ERROR,
"Label name redefined '%s'" },
{ E_LABEL_UNDEF, ERROR_LEVEL_ERROR,
"Label undefined '%s'" },
{ E_FUNC_VOID, ERROR_LEVEL_ERROR,
"void function returning value" },
{ E_VOID_FUNC, ERROR_LEVEL_ERROR,
"function '%s' must return value" },
{ W_RETURN_MISMATCH, ERROR_LEVEL_WARNING,
"function return value mismatch" },
{ E_CASE_CONTEXT, ERROR_LEVEL_ERROR,
"'case/default' found without 'switch'.statement ignored" },
{ E_CASE_CONSTANT, ERROR_LEVEL_ERROR,
"'case' expression not constant. statement ignored" },
{ E_BREAK_CONTEXT, ERROR_LEVEL_ERROR,
"'break/continue' statement out of context" },
{ E_SWITCH_AGGR, ERROR_LEVEL_ERROR,
"nonintegral used in switch expression" },
{ E_FUNC_BODY, ERROR_LEVEL_ERROR,
"function '%s' already has body" },
{ E_UNKNOWN_SIZE, ERROR_LEVEL_ERROR,
"attempt to allocate variable of unknown size '%s'" },
{ E_AUTO_AGGR_INIT, ERROR_LEVEL_ERROR,
"aggregate 'auto' variable '%s' cannot be initialized" },
{ E_INIT_COUNT, ERROR_LEVEL_ERROR,
"too many initializers" },
{ E_INIT_STRUCT, ERROR_LEVEL_ERROR,
"struct/union/array '%s' :initialization needs curly braces" },
{ E_INIT_NON_ADDR, ERROR_LEVEL_ERROR,
"non-address initialization expression" },
{ E_INT_DEFINED, ERROR_LEVEL_ERROR,
"interrupt no '%d' already has a service routine '%s'" },
{ E_INT_ARGS, ERROR_LEVEL_ERROR,
"interrupt routine cannot have arguments, arguments ingored" },
{ E_INCLUDE_MISSING, ERROR_LEVEL_ERROR,
"critical compiler #include file missing. " },
{ E_NO_MAIN, ERROR_LEVEL_ERROR,
"function 'main' undefined" },
{ E_EXTERN_INIT, ERROR_LEVEL_ERROR,
"'extern' variable '%s' cannot be initialised " },
{ E_PRE_PROC_FAILED, ERROR_LEVEL_ERROR,
"Pre-Processor %s" },
{ E_DUP_FAILED, ERROR_LEVEL_ERROR,
"_dup call failed" },
{ E_INCOMPAT_TYPES, ERROR_LEVEL_ERROR,
"incompatible types" },
{ W_LOOP_ELIMINATE, ERROR_LEVEL_WARNING,
"'while' loop with 'zero' constant.loop eliminated" },
{ W_NO_SIDE_EFFECTS, ERROR_LEVEL_WARNING,
"%s expression has NO side effects.expr eliminated" },
{ W_CONST_TOO_LARGE, ERROR_LEVEL_PEDANTIC,
"constant value '%s', out of range." },
{ W_BAD_COMPARE, ERROR_LEVEL_WARNING,
"comparison will either, ALWAYs succeed or ALWAYs fail" },
{ E_TERMINATING, ERROR_LEVEL_ERROR,
"Compiler Terminating , contact author with source" },
{ W_LOCAL_NOINIT, ERROR_LEVEL_WARNING,
"'auto' variable '%s' may be used before initialization at %s(%d)" },
{ W_NO_REFERENCE, ERROR_LEVEL_WARNING,
"in function %s unreferenced %s : '%s'" },
{ E_OP_UNKNOWN_SIZE, ERROR_LEVEL_ERROR,
"unknown size for operand" },
{ W_LONG_UNSUPPORTED, ERROR_LEVEL_WARNING,
"'%s' 'long' not supported , declared as 'int' ." },
{ E_LITERAL_GENERIC, ERROR_LEVEL_ERROR,
//"illegal cast of LITERAL value to 'generic' pointer: assuming 'xdata' pointer" },
"illegal cast of LITERAL value to 'generic' pointer" },
{ E_SFR_ADDR_RANGE, ERROR_LEVEL_ERROR,
"%s '%s' address out of range" },
{ E_BITVAR_STORAGE, ERROR_LEVEL_ERROR,
"storage class CANNOT be specified for bit variable '%s'" },
{ E_EXTERN_MISMATCH, ERROR_LEVEL_ERROR,
"extern definition for '%s' mismatches with declaration." },
{ W_NONRENT_ARGS, ERROR_LEVEL_WARNING,
"Functions called via pointers must be 'reentrant' to take arguments" },
{ W_DOUBLE_UNSUPPORTED, ERROR_LEVEL_WARNING,
"type 'double' not supported assuming 'float'" },
{ W_IF_NEVER_TRUE, ERROR_LEVEL_WARNING,
"if-statement condition always false.if-statement not generated" },
{ W_FUNC_NO_RETURN, ERROR_LEVEL_WARNING,
"no 'return' statement found for function '%s'" },
{ W_PRE_PROC_WARNING, ERROR_LEVEL_WARNING,
"Pre-Processor %s" },
{ W_STRUCT_AS_ARG, ERROR_LEVEL_WARNING,
"structure '%s' passed as function argument changed to pointer" },
{ E_PREV_DEF_CONFLICT, ERROR_LEVEL_ERROR,
"conflict with previous definition of '%s' for attribute '%s'" },
{ E_CODE_NO_INIT, ERROR_LEVEL_ERROR,
"variable '%s' declared in code space must have initialiser" },
{ E_OPS_INTEGRAL, ERROR_LEVEL_ERROR,
"operands not integral for assignment operation" },
{ E_TOO_MANY_PARMS, ERROR_LEVEL_ERROR,
"too many parameters " },
{ E_TOO_FEW_PARMS, ERROR_LEVEL_ERROR,
"too few parameters" },
{ E_FUNC_NO_CODE, ERROR_LEVEL_ERROR,
"code not generated for '%s' due to previous errors" },
{ E_TYPE_MISMATCH_PARM, ERROR_LEVEL_ERROR,
"type mismatch for parameter number %d" },
{ E_INVALID_FLOAT_CONST, ERROR_LEVEL_ERROR,
"invalid float constant '%s'" },
{ E_INVALID_OP, ERROR_LEVEL_ERROR,
"invalid operand for '%s' operation" },
{ E_SWITCH_NON_INTEGER, ERROR_LEVEL_ERROR,
"switch value not an integer" },
{ E_CASE_NON_INTEGER, ERROR_LEVEL_ERROR,
"case label not an integer" },
{ W_FUNC_TOO_LARGE, ERROR_LEVEL_WARNING,
"function '%s' too large for global optimization" },
{ W_CONTROL_FLOW, ERROR_LEVEL_PEDANTIC,
"conditional flow changed by optimizer '%s(%d)':so said EVELYN the modified DOG" },
{ W_PTR_TYPE_INVALID, ERROR_LEVEL_WARNING,
"invalid type specifier for pointer type specifier ignored" },
{ W_IMPLICIT_FUNC, ERROR_LEVEL_WARNING,
"function '%s' implicit declaration" },
{ W_CONTINUE, ERROR_LEVEL_WARNING,
"%s" },
{ I_TOOMANY_SPILS, ERROR_LEVEL_INFO,
"extended by %d bytes for compiler temp(s) :in function '%s': %s " },
{ W_UNKNOWN_PRAGMA, ERROR_LEVEL_WARNING,
"unknown or unsupported #pragma directive '%s'" },
{ W_SHIFT_CHANGED, ERROR_LEVEL_PEDANTIC,
"%s shifting more than size of object changed to zero" },
{ W_UNKNOWN_OPTION, ERROR_LEVEL_WARNING,
"unknown compiler option '%s' ignored" },
{ W_UNSUPP_OPTION, ERROR_LEVEL_WARNING,
"option '%s' no longer supported '%s' " },
{ W_UNKNOWN_FEXT, ERROR_LEVEL_WARNING,
"don't know what to do with file '%s'. file extension unsupported" },
{ W_TOO_MANY_SRC, ERROR_LEVEL_WARNING,
"cannot compile more than one source file . file '%s' ignored" },
{ I_CYCLOMATIC, ERROR_LEVEL_INFO,
"function '%s', # edges %d , # nodes %d , cyclomatic complexity %d" },
{ E_DIVIDE_BY_ZERO, ERROR_LEVEL_ERROR,
"dividing by ZERO" },
{ E_FUNC_BIT, ERROR_LEVEL_ERROR,
"function cannot return 'bit'" },
{ E_CAST_ZERO, ERROR_LEVEL_ERROR,
"casting from to type 'void' is illegal" },
{ W_CONST_RANGE, ERROR_LEVEL_WARNING,
"constant is out of range %s" },
{ W_CODE_UNREACH, ERROR_LEVEL_PEDANTIC,
"unreachable code %s(%d)" },
{ E_NONPTR2_GENPTR, ERROR_LEVEL_ERROR,
"non-pointer type cast to generic pointer" },
{ W_POSSBUG, ERROR_LEVEL_WARNING,
"possible code generation error at line %d,\n"
" send source to sandeep.dutta@usa.net" },
{ E_INCOMPAT_PTYPES, ERROR_LEVEL_WARNING,
"pointer types incompatible " },
{ W_UNKNOWN_MODEL, ERROR_LEVEL_WARNING,
"unknown memory model at %s : %d" },
{ E_UNKNOWN_TARGET, ERROR_LEVEL_ERROR,
"cannot generate code for target '%s'" },
{ W_INDIR_BANKED, ERROR_LEVEL_WARNING,
"Indirect call to a banked function not implemented." },
{ W_UNSUPPORTED_MODEL, ERROR_LEVEL_WARNING,
"Model '%s' not supported for %s, ignored." },
{ W_BANKED_WITH_NONBANKED, ERROR_LEVEL_WARNING,
"Both banked and nonbanked attributes used. nonbanked wins." },
{ W_BANKED_WITH_STATIC, ERROR_LEVEL_WARNING,
"Both banked and static used. static wins." },
{ W_INT_TO_GEN_PTR_CAST, ERROR_LEVEL_WARNING,
"converting integer type to generic pointer: assuming XDATA" },
{ W_ESC_SEQ_OOR_FOR_CHAR, ERROR_LEVEL_WARNING,
"escape sequence out of range for char." },
{ E_INVALID_HEX, ERROR_LEVEL_ERROR,
"\\x used with no following hex digits." },
{ W_FUNCPTR_IN_USING_ISR, ERROR_LEVEL_WARNING,
"call via function pointer in ISR using non-zero register bank.\n"
" Cannot determine which register bank to save." },
{ E_NO_SUCH_BANK, ERROR_LEVEL_ERROR,
"called function uses unknown register bank %d." },
{ E_TWO_OR_MORE_DATA_TYPES, ERROR_LEVEL_ERROR,
"two or more data types in declaration for '%s'" },
{ E_LONG_OR_SHORT_INVALID, ERROR_LEVEL_ERROR,
"long or short specified for %s '%s'" },
{ E_SIGNED_OR_UNSIGNED_INVALID, ERROR_LEVEL_ERROR,
"signed or unsigned specified for %s '%s'" },
{ E_LONG_AND_SHORT_INVALID, ERROR_LEVEL_ERROR,
"both long and short specified for %s '%s'" },
{ E_SIGNED_AND_UNSIGNED_INVALID, ERROR_LEVEL_ERROR,
"both signed and unsigned specified for %s '%s'" },
{ E_TWO_OR_MORE_STORAGE_CLASSES, ERROR_LEVEL_ERROR,
"two or more storage classes in declaration for '%s'" },
{ W_EXESS_ARRAY_INITIALIZERS, ERROR_LEVEL_WARNING,
"excess elements in array initializer after `%s' at line %d" },
{ E_ARGUMENT_MISSING, ERROR_LEVEL_ERROR,
"Option %s requires an argument." },
{ W_STRAY_BACKSLASH, ERROR_LEVEL_WARNING,
"stray '\\' at column %d" },
{ W_NEWLINE_IN_STRING, ERROR_LEVEL_WARNING,
"newline in string constant" },
{ E_CANNOT_USE_GENERIC_POINTER, ERROR_LEVEL_ERROR,
"cannot use generic pointer %s to initialize %s" },
{ W_EXCESS_SHORT_OPTIONS, ERROR_LEVEL_WARNING,
"Only one short option can be specified at a time. Rest of %s ignored." },
{ E_VOID_VALUE_USED, ERROR_LEVEL_ERROR,
"void value not ignored as it ought to be" },
{ W_INTEGRAL2PTR_NOCAST, ERROR_LEVEL_WARNING,
"converting integral to pointer without a cast" },
{ W_PTR2INTEGRAL_NOCAST, ERROR_LEVEL_WARNING,
"converting pointer to integral without a cast" },
{ W_SYMBOL_NAME_TOO_LONG, ERROR_LEVEL_WARNING,
"symbol name too long, truncated to %d chars" },
{ W_CAST_STRUCT_PTR,ERROR_LEVEL_WARNING,
"cast of struct %s * to struct %s * " }
};
/*
-------------------------------------------------------------------------------
SetErrorOut - Set the error output file
-------------------------------------------------------------------------------
*/
FILE *SetErrorOut(FILE *NewErrorOut)
{
_SDCCERRG.out = NewErrorOut ;
return NewErrorOut ;
}
void
setErrorLogLevel (ERROR_LOG_LEVEL level)
{
_SDCCERRG.logLevel = level;
}
/*
-------------------------------------------------------------------------------
vwerror - Output a standard eror message with variable number of arguements
-------------------------------------------------------------------------------
*/
void vwerror (int errNum, va_list marker)
{
if (_SDCCERRG.out == NULL) {
_SDCCERRG.out = DEFAULT_ERROR_OUT;
}
if (ErrTab[errNum].errIndex != errNum)
{
fprintf(_SDCCERRG.out,
"*** Internal error: error table entry for %d inconsistent.", errNum);
}
if (ErrTab[errNum].errType >= _SDCCERRG.logLevel) {
if ( ErrTab[errNum].errType == ERROR_LEVEL_ERROR )
fatalError++ ;
if ( filename && lineno ) {
fprintf(_SDCCERRG.out, "%s(%d):",filename,lineno);
} else if (lineno) {
fprintf(_SDCCERRG.out, "at %d:", lineno);
}
switch(ErrTab[errNum].errType)
{
case ERROR_LEVEL_ERROR:
fprintf(_SDCCERRG.out, "error *** ");
break;
case ERROR_LEVEL_WARNING:
case ERROR_LEVEL_PEDANTIC:
fprintf(_SDCCERRG.out, "warning *** ");
break;
case ERROR_LEVEL_INFO:
fprintf(_SDCCERRG.out, "info *** ");
break;
default:
break;
}
vfprintf(_SDCCERRG.out, ErrTab[errNum].errText,marker);
fprintf(_SDCCERRG.out, "\n");
}
else {
// Below the logging level, drop.
}
}
/*
-------------------------------------------------------------------------------
werror - Output a standard eror message with variable number of arguements
-------------------------------------------------------------------------------
*/
void werror (int errNum, ... )
{
va_list marker;
va_start(marker,errNum);
vwerror(errNum, marker);
va_end( marker );
}