- removed the invalid if <> checking (Delphi is strange on this)

 + implemented abstract warning on instance creation of class with
    abstract methods.
 * some error message cleanups

compiler/msg/errore.msg

@@ -919,10 +919,10 @@ parser_w_skipped_fields_before=03175_W_Some fields coming before "$1" weren't in
 parser_e_skipped_fields_before=03176_E_Some fields coming before "$1" weren't initialized
 % In all syntax modes but Delphi mode, you can't leave some fields uninitialized
 % in the middle of a typed constant record
-parser_h_skipped_fields_after=03177_H_Some fields coming after "$1" weren't initialized
+parser_w_skipped_fields_after=03177_W_Some fields coming after "$1" weren't initialized
 % You can leave some fields at the end of a type constant record uninitialized
-% (the compiler will initialize them to zero automatically), but the the
-% compiler gives a hint because it can be the source of a problem.
+% (the compiler will initialize them to zero automatically). This may be the cause
+% of subtle problems.
 parser_e_varargs_need_cdecl_and_external=03178_E_VarArgs directive without CDecl and External
 % The varargs directive can only be used with procedures or functions
 % that are declared with CDecl and External directives. The varargs directive
@@ -1143,12 +1143,11 @@ type_w_signed_unsigned_always_true=04045_W_Comparison is always true due to rang
 % There is a comparison between an unsigned value and a signed constant which is
 % less than zero. Because of type promotion, the statement will always evaluate to
 % true. Exlicitly typecast the constant to the correct range to avoid this problem.
+type_w_instance_with_abstract=04046_W_Constructing a class "$1" with abstract method "$2"
+% An instance of a class is created which contains non-implemented abstract 
+% methods. This will probably lead to a runtime error 211 in the code if that
+% routine is ever called. All abstract methods should be overriden.
 %
-type_w_mixed_signed_unsigned3=04046_W_Comparison might always be true (or false) due to range of values
-% There is a comparison between an unsigned value and a signed value which might
-% be less than zero. Because of type promotion, the statement might incorrectly
-% be evaluated. Exlicitly typecast the signed value to the same type as the
-% unsigned value to avoid this problem.
 % \end{description}
 #
 # Symtable

compiler/msgidx.inc

@@ -254,7 +254,7 @@ const
   parser_e_no_local_external=03174;
   parser_w_skipped_fields_before=03175;
   parser_e_skipped_fields_before=03176;
-  parser_h_skipped_fields_after=03177;
+  parser_w_skipped_fields_after=03177;
   parser_e_varargs_need_cdecl_and_external=03178;
   parser_e_self_call_by_value=03179;
   parser_e_interface_has_no_guid=03180;
@@ -313,7 +313,7 @@ const
   type_w_string_too_long=04043;
   type_w_signed_unsigned_always_false=04044;
   type_w_signed_unsigned_always_true=04045;
-  type_w_mixed_signed_unsigned3=04046;
+  type_w_instance_with_abstract=04046;
   sym_e_id_not_found=05000;
   sym_f_internal_error_in_symtablestack=05001;
   sym_e_duplicate_id=05002;
@@ -633,7 +633,7 @@ const
   option_info=11024;
   option_help_pages=11025;
 
-  MsgTxtSize = 35273;
+  MsgTxtSize = 35258;
 
   MsgIdxMax : array[1..20] of longint=(
     17,62,190,47,43,41,98,19,35,43,

compiler/msgtxt.inc

@@ -288,7 +288,7 @@ const msgtxt : array[0..000146,1..240] of char=(
   '03174_E_Can'#039't declare local procedure as EXTERNAL'#000+
   '03175_W_Some fields coming before "$1" weren'#039't initialized'#000+
   '03176_E_Some fields coming before "$1" weren'#039't in','itialized'#000+
-  '03177_H_Some fields coming after "$1" weren'#039't initialized'#000+
+  '03177_W_Some fields coming after "$1" weren'#039't initialized'#000+
   '03178_E_VarArgs directive without CDecl and External'#000+
   '03179_E_Self must be a normal (call-by-value) parameter'#000+
   '03180_E_Interface "$1" has no interface identification'#000+
@@ -301,305 +301,304 @@ const msgtxt : array[0..000146,1..240] of char=(
   '03186_W_Use of unsupported feature!'#000+
   '03187_H_C arrays are passed by reference'#000+
   '03188_E_C array of const must be the last argument'#000+
-  '03189_H_Type "$1" redefinition.'#000+
+  '03189_H_Type "$1" redefinition'#000+
   '04000_E_Type mismatch'#000+
-  '0400','1_E_Incompatible types: got "$1" expected "$2"'#000+
+  '04001','_E_Incompatible types: got "$1" expected "$2"'#000+
   '04002_E_Type mismatch between "$1" and "$2"'#000+
   '04003_E_Type identifier expected'#000+
   '04004_E_Variable identifier expected'#000+
   '04005_E_Integer expression expected, but got "$1"'#000+
-  '04006_E_Boolean expression ex','pected, but got "$1"'#000+
+  '04006_E_Boolean expression exp','ected, but got "$1"'#000+
   '04007_E_Ordinal expression expected'#000+
   '04008_E_pointer type expected, but got "$1"'#000+
   '04009_E_class type expected, but got "$1"'#000+
   '04010_E_Variable or type indentifier expected'#000+
   '04011_E_Can'#039't evaluate constant expression'#000+
-  '04012_E_','Set elements are not compatible'#000+
+  '04012_E_S','et elements are not compatible'#000+
   '04013_E_Operation not implemented for sets'#000+
   '04014_W_Automatic type conversion from floating type to COMP which is '+
   'an integer type'#000+
   '04015_H_use DIV instead to get an integer result'#000+
-  '04016_E_string types doesn'#039't m','atch, because of $V+ mode'#000+
+  '04016_E_string types doesn'#039't ma','tch, because of $V+ mode'#000+
   '04017_E_succ or pred on enums with assignments not possible'#000+
   '04018_E_Can'#039't read or write variables of this type'#000+
   '04019_E_Can'#039't use readln or writeln on typed file'#000+
   '04020_E_Can'#039't use read or write on untyped file.'#000+
-  '0402','1_E_Type conflict between set elements'#000+
+  '04021','_E_Type conflict between set elements'#000+
   '04022_W_lo/hi(dword/qword) returns the upper/lower word/dword'#000+
   '04023_E_Integer or real expression expected'#000+
   '04024_E_Wrong type "$1" in array constructor'#000+
-  '04025_E_Incompatible type for arg no. $1: Got "$2"',', expected "$3"'#000+
+  '04025_E_Incompatible type for arg no. $1: Got "$2",',' expected "$3"'#000+
   '04026_E_Method (variable) and Procedure (variable) are not compatible'#000+
   '04027_E_Illegal constant passed to internal math function'#000+
   '04028_E_Can'#039't get the address of constants'#000+
   '04029_E_Argument can'#039't be assigned to'#000+
-  '04030_E_Can'#039't a','ssign local procedure/function to procedure varia'+
+  '04030_E_Can'#039't as','sign local procedure/function to procedure varia'+
   'ble'#000+
   '04031_E_Can'#039't assign values to an address'#000+
   '04032_E_Can'#039't assign values to const variable'#000+
   '04033_E_Array type required'#000+
   '04034_E_interface type expected, but got "$1"'#000+
-  '04035_W_Mixing signed exp','ressions and longwords gives a 64bit result'+
+  '04035_W_Mixing signed expr','essions and longwords gives a 64bit result'+
   #000+
   '04036_W_Mixing signed expressions and cardinals here may cause a range'+
   ' check error'#000+
   '04037_E_Typecast has different size ($1 -> $2) in assignment'#000+
-  '04038_E_enums with assignments can'#039't be used as arra','y index'#000+
+  '04038_E_enums with assignments can'#039't be used as array',' index'#000+
   '04039_E_Class types "$1" and "$2" are not related'#000+
   '04040_W_Class types "$1" and "$2" are not related'#000+
   '04041_E_Class or interface type expected, but got "$1"'#000+
   '04042_E_Type "$1" is not completly defined'#000+
-  '04043_W_String literal has more ch','aracters than short string length'#000+
+  '04043_W_String literal has more cha','racters than short string length'#000+
   '04044_W_Comparison is always false due to range of values'#000+
   '04045_W_Comparison is always true due to range of values'#000+
-  '04046_W_Comparison might always be true (or false) due to range of val'+
-  'ues'#000+
-  '05000_E_Identifie','r not found "$1"'#000+
+  '04046_W_Constructing a class "$1" with abstract method "$2"'#000+
+  '05000_E_Identifier not found "$1','"'#000+
   '05001_F_Internal Error in SymTableStack()'#000+
   '05002_E_Duplicate identifier "$1"'#000+
   '05003_H_Identifier already defined in $1 at line $2'#000+
   '05004_E_Unknown identifier "$1"'#000+
   '05005_E_Forward declaration not solved "$1"'#000+
-  '05006_F_Identifier ','type already defined as type'#000+
+  '05006_F_Identifier type already de','fined as type'#000+
   '05007_E_Error in type definition'#000+
   '05008_E_Type identifier not defined'#000+
   '05009_E_Forward type not resolved "$1"'#000+
   '05010_E_Only static variables can be used in static methods or outside'+
   ' methods'#000+
-  '05011_E_Invalid call to ','tvarsym.mangledname()'#000+
+  '05011_E_Invalid call to tvarsym.mangled','name()'#000+
   '05012_F_record or class type expected'#000+
   '05013_E_Instances of classes or objects with an abstract method are no'+
   't allowed'#000+
   '05014_W_Label not defined "$1"'#000+
   '05015_E_Label used but not defined "$1"'#000+
-  '05016_E_Illegal label declara','tion'#000+
-  '05017_E_GOTO and LABEL are not supported (use switch -Sg)'#000+
+  '05016_E_Illegal label declaration'#000+
+  '05017_E_GO','TO and LABEL are not supported (use switch -Sg)'#000+
   '05018_E_Label not found'#000+
   '05019_E_identifier isn'#039't a label'#000+
   '05020_E_label already defined'#000+
   '05021_E_illegal type declaration of set elements'#000+
-  '05022_E_Forward class definition not reso','lved "$1"'#000+
-  '05023_H_Unit "$1" not used in $2'#000+
+  '05022_E_Forward class definition not resolved "$1"'#000+
+  '05023','_H_Unit "$1" not used in $2'#000+
   '05024_H_Parameter "$1" not used'#000+
   '05025_N_Local variable "$1" not used'#000+
   '05026_H_Value parameter "$1" is assigned but never used'#000+
   '05027_N_Local variable "$1" is assigned but never used'#000+
-  '05028_H_Local $1 ','"$2" is not used'#000+
+  '05028_H_Local $1 "$2" is not use','d'#000+
   '05029_N_Private field "$1.$2" is never used'#000+
   '05030_N_Private field "$1.$2" is assigned but never used'#000+
   '05031_N_Private method "$1.$2" never used'#000+
   '05032_E_Set type expected'#000+
   '05033_W_Function result does not seem to be set'#000+
-  '05034_','W_Type "$1" is not aligned correctly in current record for C'#000+
+  '05034_W_Type "$1" is ','not aligned correctly in current record for C'#000+
   '05035_E_Unknown record field identifier "$1"'#000+
   '05036_W_Local variable "$1" does not seem to be initialized'#000+
   '05037_W_Variable "$1" does not seem to be initialized'#000+
-  '05038_E_identifier i','dents no member "$1"'#000+
+  '05038_E_identifier idents no member',' "$1"'#000+
   '05039_B_Found declaration: $1'#000+
   '05040_E_Data element too large'#000+
   '05041_W_Data element might be too large'#000+
   '05042_E_No matching implementation for interface method "$1" found'#000+
   '06000_E_BREAK not allowed'#000+
-  '06001_E_CONTINUE not allo','wed'#000+
-  '06002_E_Expression too complicated - FPU stack overflow'#000+
+  '06001_E_CONTINUE not allowed'#000+
+  '06002_E_Exp','ression too complicated - FPU stack overflow'#000+
   '06003_E_Illegal expression'#000+
   '06004_E_Invalid integer expression'#000+
   '06005_E_Illegal qualifier'#000+
   '06006_E_High range limit < low range limit'#000+
   '06007_E_Illegal counter variable'#000+
-  '06008_E_Can'#039't de','termine which overloaded function to call'#000+
+  '06008_E_Can'#039't determine which o','verloaded function to call'#000+
   '06009_E_Parameter list size exceeds 65535 bytes'#000+
   '06010_E_Illegal type conversion'#000+
   '06011_D_Conversion between ordinals and pointers is not portable acros'+
   's platforms'#000+
-  '06012_E_File types must be var param','eters'#000+
-  '06013_E_The use of a far pointer isn'#039't allowed there'#000+
+  '06012_E_File types must be var parameters'#000+
+  '06013_E_T','he use of a far pointer isn'#039't allowed there'#000+
   '06014_E_illegal call by reference parameters'#000+
   '06015_E_EXPORT declared functions can'#039't be called'#000+
   '06016_W_Possible illegal call of constructor or destructor (doesn'#039't'+
-  ' match to this cont','ext)'#000+
-  '06017_N_Inefficient code'#000+
+  ' match to this context)'#000+
+  '06017_N_In','efficient code'#000+
   '06018_W_unreachable code'#000+
   '06019_E_procedure call with stackframe ESP/SP'#000+
   '06020_E_Abstract methods can'#039't be called directly'#000+
   '06021_F_Internal Error in getfloatreg(), allocation failure'#000+
   '06022_F_Unknown float type'#000+
-  '06','023_F_SecondVecn() base defined twice'#000+
+  '06023_F_SecondVec','n() base defined twice'#000+
   '06024_F_Extended cg68k not supported'#000+
   '06025_F_32-bit unsigned not supported in MC68000 mode'#000+
   '06026_F_Internal Error in secondinline()'#000+
   '06027_D_Register $1 weight $2 $3'#000+
-  '06028_E_Stack limit excedeed in local',' routine'#000+
-  '06029_D_Stack frame is omitted'#000+
+  '06028_E_Stack limit excedeed in local routine'#000+
+  '06029_','D_Stack frame is omitted'#000+
   '06031_E_Object or class methods can'#039't be inline.'#000+
   '06032_E_Procvar calls can'#039't be inline.'#000+
   '06033_E_No code for inline procedure stored'#000+
   '06034_E_Direct call of interrupt procedure "$1" is not possible'#000+
-  '0603','5_E_Element zero of an ansi/wide- or longstring can'#039't be acc'+
+  '06035_E_Element zer','o of an ansi/wide- or longstring can'#039't be acc'+
   'essed, use (set)length instead'#000+
   '06036_E_Parameter limit excedeed in local routine'#000+
   '06037_E_Constructors or destructors can not be called inside a '#039'wi'+
   'th'#039' clause'#000+
-  '06038_E_Cannot call me','ssage handler method directly'#000+
+  '06038_E_Cannot call message handler m','ethod directly'#000+
   '06039_E_Jump in or outside of an exception block'#000+
   '06040_E_Control flow statements aren'#039't allowed in a finally block'#000+
   '07000_D_Starting $1 styled assembler parsing'#000+
   '07001_D_Finished $1 styled assembler parsing'#000+
-  '07002','_E_Non-label pattern contains @'#000+
+  '07002_E_Non-label pa','ttern contains @'#000+
   '07003_W_Override operator not supported'#000+
   '07004_E_Error building record offset'#000+
   '07005_E_OFFSET used without identifier'#000+
   '07006_E_TYPE used without identifier'#000+
   '07007_E_Cannot use local variable or parameters here'#000+
-  '07','008_E_need to use OFFSET here'#000+
+  '07008_E_need to u','se OFFSET here'#000+
   '07009_E_need to use $ here'#000+
   '07010_E_Cannot use multiple relocatable symbols'#000+
   '07011_E_Relocatable symbol can only be added'#000+
   '07012_E_Invalid constant expression'#000+
   '07013_E_Relocatable symbol is not allowed'#000+
-  '07014_E_Inva','lid reference syntax'#000+
+  '07014_E_Invalid reference s','yntax'#000+
   '07015_E_You can not reach $1 from that code'#000+
   '07016_E_Local symbols/labels aren'#039't allowed as references'#000+
   '07017_E_Invalid base and index register usage'#000+
   '07018_W_Possible error in object field handling'#000+
-  '07019_E_Wrong scale fac','tor specified'#000+
-  '07020_E_Multiple index register usage'#000+
+  '07019_E_Wrong scale factor specified'#000+
+  '0','7020_E_Multiple index register usage'#000+
   '07021_E_Invalid operand type'#000+
   '07022_E_Invalid string as opcode operand: $1'#000+
   '07023_W_@CODE and @DATA not supported'#000+
   '07024_E_Null label references are not allowed'#000+
-  '07025_E_Divide by zero in asm ','evaluator'#000+
-  '07026_E_Illegal expression'#000+
+  '07025_E_Divide by zero in asm evaluator'#000+
+  '07026','_E_Illegal expression'#000+
   '07027_E_escape sequence ignored: $1'#000+
   '07028_E_Invalid symbol reference'#000+
   '07029_W_Fwait can cause emulation problems with emu387'#000+
   '07030_W_$1 without operand translated into $1P'#000+
-  '07031_W_ENTER instruction is not',' supported by Linux kernel'#000+
+  '07031_W_ENTER instruction is not supported by L','inux kernel'#000+
   '07032_W_Calling an overload function in assembler'#000+
   '07033_E_Unsupported symbol type for operand'#000+
   '07034_E_Constant value out of bounds'#000+
   '07035_E_Error converting decimal $1'#000+
   '07036_E_Error converting octal $1'#000+
-  '07037_E_Erro','r converting binary $1'#000+
+  '07037_E_Error converting bi','nary $1'#000+
   '07038_E_Error converting hexadecimal $1'#000+
   '07039_H_$1 translated to $2'#000+
   '07040_W_$1 is associated to an overloaded function'#000+
   '07041_E_Cannot use SELF outside a method'#000+
   '07042_E_Cannot use OLDEBP outside a nested procedure'#000+
-  '0704','3_W_Procedures can'#039't return any value in asm code'#000+
+  '07043_W_Procedures ','can'#039't return any value in asm code'#000+
   '07044_E_SEG not supported'#000+
   '07045_E_Size suffix and destination or source size do not match'#000+
   '07046_W_Size suffix and destination or source size do not match'#000+
   '07047_E_Assembler syntax error'#000+
-  '07048','_E_Invalid combination of opcode and operands'#000+
+  '07048_E_Invalid comb','ination of opcode and operands'#000+
   '07049_E_Assembler syntax error in operand'#000+
   '07050_E_Assembler syntax error in constant'#000+
   '07051_E_Invalid String expression'#000+
   '07052_W_constant with symbol $1 for not 32bit address'#000+
-  '07053_E_Unrecognized ','opcode $1'#000+
-  '07054_E_Invalid or missing opcode'#000+
+  '07053_E_Unrecognized opcode $1'#000+
+  '07054','_E_Invalid or missing opcode'#000+
   '07055_E_Invalid combination of prefix and opcode: $1'#000+
   '07056_E_Invalid combination of override and opcode: $1'#000+
   '07057_E_Too many operands on line'#000+
   '07058_W_NEAR ignored'#000+
   '07059_W_FAR ignored'#000+
-  '07060_E_Dupli','cate local symbol $1'#000+
+  '07060_E_Duplicate local symb','ol $1'#000+
   '07061_E_Undefined local symbol $1'#000+
   '07062_E_Unknown label identifier $1'#000+
   '07063_E_Invalid register name'#000+
   '07064_E_Invalid floating point register name'#000+
   '07065_E_NOR not supported'#000+
   '07066_W_Modulo not supported'#000+
-  '07067_E_Invalid flo','ating point constant $1'#000+
+  '07067_E_Invalid floating point con','stant $1'#000+
   '07068_E_Invalid floating point expression'#000+
   '07069_E_Wrong symbol type'#000+
   '07070_E_Cannot index a local var or parameter with a register'#000+
   '07071_E_Invalid segment override expression'#000+
   '07072_W_Identifier $1 supposed external'#000+
-  '07','073_E_Strings not allowed as constants'#000+
+  '07073_E_Strings n','ot allowed as constants'#000+
   '07074_No type of variable specified'#000+
   '07075_E_assembler code not returned to text section'#000+
   '07076_E_Not a directive or local symbol $1'#000+
   '07077_E_Using a defined name as a local label'#000+
-  '07078_E_Dollar token is ','used without an identifier'#000+
+  '07078_E_Dollar token is used without an',' identifier'#000+
   '07079_W_32bit constant created for address'#000+
   '07080_N_.align is target specific, use .balign or .p2align'#000+
   '07081_E_Can'#039't access fields directly for parameters'#000+
   '07082_E_Can'#039't access fields of objects/classes directly'#000+
-  '070','83_E_No size specified and unable to determine the size of the op'+
+  '07083_E_No size sp','ecified and unable to determine the size of the op'+
   'erands'#000+
   '07084_E_Cannot use RESULT in this function'#000+
   '07085_H_RESULT is register $1'#000+
   '07086_W_"$1" without operand translated into "$1 %st,%st(1)"'#000+
-  '07087_W_"$1 %st(n)" translated int','o "$1 %st,%st(n)"'#000+
+  '07087_W_"$1 %st(n)" translated into "$1 %st,%st(n',')"'#000+
   '07088_W_"$1 %st(n)" translated into "$1 %st(n),%st"'#000+
   '07089_E_Char < not allowed here'#000+
   '07090_E_Char > not allowed here'#000+
   '07091_W_XDEF not supported'#000+
   '07092_E_Invalid XDEF syntax'#000+
   '07093_W_ALIGN not supported'#000+
-  '07094_E_Inc and Dec can','not be together'#000+
+  '07094_E_Inc and Dec cannot be together',#000+
   '07095_E_Invalid reglist for movem'#000+
   '07096_E_Reglist invalid for opcode'#000+
   '07097_E_68020 mode required'#000+
   '08000_F_Too many assembler files'#000+
   '08001_F_Selected assembler output not supported'#000+
   '08002_F_Comp not supported'#000+
-  '08003_F_Direct not ','support for binary writers'#000+
+  '08003_F_Direct not support for bin','ary writers'#000+
   '08004_E_Allocating of data is only allowed in bss section'#000+
   '08005_F_No binary writer selected'#000+
   '08006_E_Asm: Opcode $1 not in table'#000+
   '08007_E_Asm: $1 invalid combination of opcode and operands'#000+
-  '08008_E_Asm: 16 Bit refere','nces not supported'#000+
+  '08008_E_Asm: 16 Bit references not suppor','ted'#000+
   '08009_E_Asm: Invalid effective address'#000+
   '08010_E_Asm: Immediate or reference expected'#000+
   '08011_E_Asm: $1 value exceeds bounds $2'#000+
   '08012_E_Asm: Short jump is out of range $1'#000+
   '08013_E_Asm: Undefined label $1'#000+
-  '08014_E_Asm: Comp type',' not supported for this target'#000+
+  '08014_E_Asm: Comp type not supported ','for this target'#000+
   '08015_E_Asm: Extended type not supported for this target'#000+
   '08016_E_Asm: Duplicate label $1'#000+
   '08017_E_Asm: Redefined label $1'#000+
   '08018_E_Asm: First defined here'#000+
   '09000_W_Source operating system redefined'#000+
-  '09001_I_Assemb','ling (pipe) $1'#000+
+  '09001_I_Assembling (pipe) $1'#000,
   '09002_E_Can'#039't create assember file: $1'#000+
   '09003_E_Can'#039't create object file: $1'#000+
   '09004_E_Can'#039't create archive file: $1'#000+
   '09005_E_Assembler $1 not found, switching to external assembling'#000+
   '09006_T_Using assembler: $1'#000+
-  '09007_E_Error whil','e assembling exitcode $1'#000+
+  '09007_E_Error while assembling ex','itcode $1'#000+
   '09008_E_Can'#039't call the assembler, error $1 switching to external a'+
   'ssembling'#000+
   '09009_I_Assembling $1'#000+
   '09010_I_Assembling smartlink $1'#000+
   '09011_W_Object $1 not found, Linking may fail !'#000+
-  '09012_W_Library $1 not found, Linking',' may fail !'#000+
-  '09013_E_Error while linking'#000+
+  '09012_W_Library $1 not found, Linking may fail !'#000+
+  '090','13_E_Error while linking'#000+
   '09014_E_Can'#039't call the linker, switching to external linking'#000+
   '09015_I_Linking $1'#000+
   '09016_E_Util $1 not found, switching to external linking'#000+
   '09017_T_Using util $1'#000+
-  '09018_E_Creation of Executables not suppo','rted'#000+
-  '09019_E_Creation of Dynamic/Shared Libraries not supported'#000+
+  '09018_E_Creation of Executables not supported'#000+
+  '09019_E_Cr','eation of Dynamic/Shared Libraries not supported'#000+
   '09020_I_Closing script $1'#000+
   '09021_E_resource compiler not found, switching to external mode'#000+
   '09022_I_Compiling resource $1'#000+
-  '09023_T_unit $1 can'#039't be static linked, switching to sma','rt linki'+
-  'ng'#000+
-  '09024_T_unit $1 can'#039't be smart linked, switching to static linking'+
+  '09023_T_unit $1 can'#039't be static linked, switching to smart linking'+
   #000+
+  '0902','4_T_unit $1 can'#039't be smart linked, switching to static linki'+
+  'ng'#000+
   '09025_T_unit $1 can'#039't be shared linked, switching to static linkin'+
   'g'#000+
   '09026_E_unit $1 can'#039't be smart or static linked'#000+
-  '09027_E_unit $1 can'#039't be shared or static link','ed'#000+
-  '09028_F_Can'#039't post process executable $1'#000+
+  '09027_E_unit $1 can'#039't be shared or static linked'#000+
+  '09028_F_Can'#039,'t post process executable $1'#000+
   '09029_F_Can'#039't open executable $1'#000+
   '09030_X_Size of Code: $1 bytes'#000+
   '09031_X_Size of initialized data: $1 bytes'#000+
   '09032_X_Size of uninitialized data: $1 bytes'#000+
   '09033_X_Stack space reserved: $1 bytes'#000+
-  '09034','_X_Stack space commited: $1 bytes'#000+
+  '09034_X_Stack space ','commited: $1 bytes'#000+
   '10000_T_Unitsearch: $1'#000+
   '10001_T_PPU Loading $1'#000+
   '10002_U_PPU Name: $1'#000+
@@ -607,85 +606,85 @@ const msgtxt : array[0..000146,1..240] of char=(
   '10004_U_PPU Crc: $1'#000+
   '10005_U_PPU Time: $1'#000+
   '10006_U_PPU File too short'#000+
-  '10007_U_PPU Invalid Header (no PPU at the begin)'#000,
-  '10008_U_PPU Invalid Version $1'#000+
+  '10007_U_PPU Invalid Header (no PPU at the begin)'#000+
+  '10008_U_PPU Inv','alid Version $1'#000+
   '10009_U_PPU is compiled for an other processor'#000+
   '10010_U_PPU is compiled for an other target'#000+
   '10011_U_PPU Source: $1'#000+
   '10012_U_Writing $1'#000+
   '10013_F_Can'#039't Write PPU-File'#000+
   '10014_F_Error reading PPU-File'#000+
-  '10015_F_unexpect','ed end of PPU-File'#000+
+  '10015_F_unexpected end of PPU-F','ile'#000+
   '10016_F_Invalid PPU-File entry: $1'#000+
   '10017_F_PPU Dbx count problem'#000+
   '10018_E_Illegal unit name: $1'#000+
   '10019_F_Too much units'#000+
   '10020_F_Circular unit reference between $1 and $2'#000+
   '10021_F_Can'#039't compile unit $1, no sources available'#000+
-  '1','0022_F_Can'#039't find unit $1'#000+
+  '10022_F_Can'#039't fi','nd unit $1'#000+
   '10023_W_Unit $1 was not found but $2 exists'#000+
   '10024_F_Unit $1 searched but $2 found'#000+
   '10025_W_Compiling the system unit requires the -Us switch'#000+
   '10026_F_There were $1 errors compiling module, stopping'#000+
-  '10027_U_Load from ','$1 ($2) unit $3'#000+
+  '10027_U_Load from $1 ($2) unit $3',#000+
   '10028_U_Recompiling $1, checksum changed for $2'#000+
   '10029_U_Recompiling $1, source found only'#000+
   '10030_U_Recompiling unit, static lib is older than ppufile'#000+
   '10031_U_Recompiling unit, shared lib is older than ppufile'#000+
-  '10032_U_Recompil','ing unit, obj and asm are older than ppufile'#000+
+  '10032_U_Recompiling unit, obj a','nd asm are older than ppufile'#000+
   '10033_U_Recompiling unit, obj is older than asm'#000+
   '10034_U_Parsing interface of $1'#000+
   '10035_U_Parsing implementation of $1'#000+
   '10036_U_Second load for unit $1'#000+
   '10037_U_PPU Check file $1 time $2'#000+
-  '10038_H_Cond','itional $1 was not set at startup in last compilation of'+
+  '10038_H_Conditional $1 was ','not set at startup in last compilation of'+
   ' $2'#000+
   '10039_H_Conditional $1 was set at startup in last compilation of $2'#000+
   '10040_W_Can'#039't recompile unit $1, but found modifed include files'#000+
-  '10041_H_File $1 is newer than Release PPU file ','$2'#000+
-  '10042_U_Using a unit which was not compiled with correct FPU mode'#000+
+  '10041_H_File $1 is newer than Release PPU file $2'#000+
+  '10042_U_Usin','g a unit which was not compiled with correct FPU mode'#000+
   '11000_$1 [options] <inputfile> [options]'#000+
   '11001_W_Only one source file supported'#000+
   '11002_W_DEF file can be created only for OS/2'#000+
-  '11003_E_nested response files are not support','ed'#000+
-  '11004_F_No source file name in command line'#000+
+  '11003_E_nested response files are not supported'#000+
+  '11004_F_No s','ource file name in command line'#000+
   '11005_N_No option inside $1 config file'#000+
   '11006_E_Illegal parameter: $1'#000+
   '11007_H_-? writes help pages'#000+
   '11008_F_Too many config files nested'#000+
   '11009_F_Unable to open file $1'#000+
-  '11010_D_Reading further op','tions from $1'#000+
-  '11011_W_Target is already set to: $1'#000+
+  '11010_D_Reading further options from $1'#000+
+  '1','1011_W_Target is already set to: $1'#000+
   '11012_W_Shared libs not supported on DOS platform, reverting to static'+
   #000+
   '11013_F_too many IF(N)DEFs'#000+
   '11014_F_too many ENDIFs'#000+
   '11015_F_open conditional at the end of the file'#000+
-  '11016_W_Debug infor','mation generation is not supported by this execut'+
+  '11016_W_Debug information generati','on is not supported by this execut'+
   'able'#000+
   '11017_H_Try recompiling with -dGDB'#000+
   '11018_E_You are using the obsolete switch $1'#000+
   '11019_E_You are using the obsolete switch $1, please use $2'#000+
-  '11020_N_Switching assembler to default source ','writing assembler'#000+
+  '11020_N_Switching assembler to default source writing assembl','er'#000+
   '11021_W_Assembler output selected "$1" is not compatible with "$2"'#000+
   '11022_W_"$1" assembler use forced'#000+
   '11026_T_Reading options from file $1'#000+
   '11027_T_Reading options from environment $1'#000+
   '11028_D_Handling option "$1"'#000+
-  '11029__*** ','press enter ***'#000+
+  '11029__*** press enter ***',#000+
   '11030_H_Start of reading config file $1'#000+
   '11031_H_End of reading config file $1'#000+
   '11032_D_interpreting option "$1"'#000+
   '11036_D_interpreting firstpass option "$1"'#000+
   '11033_D_interpreting file option "$1"'#000+
-  '11034_D_Reading config file "$1"',#000+
-  '11035_D_found source file name "$1"'#000+
+  '11034_D_Reading config file "$1"'#000+
+  '11035_D_found ','source file name "$1"'#000+
   '11037_D_Defining symbol $1'#000+
   '11038_D_Undefining symbol $1'#000+
   '11039_E_Unknown code page'#000+
   '11023_Free Pascal Compiler version $FPCVER [$FPCDATE] for $FPCTARGET'#010+
   'Copyright (c) 1993-2002 by Florian Klaempfl'#000+
-  '11024_Fr','ee Pascal Compiler version $FPCVER'#010+
+  '11024_Free Pascal Compi','ler version $FPCVER'#010+
   #010+
   'Compiler Date  : $FPCDATE'#010+
   'Compiler Target: $FPCTARGET'#010+
@@ -696,26 +695,26 @@ const msgtxt : array[0..000146,1..240] of char=(
   'This program comes under the GNU General Public Licence'#010+
   'For more information read COPYING.FPC'#010+
   #010+
-  'Report bugs,suggestio','ns etc to:'#010+
-  '                 [email protected]'#000+
+  'Report bugs,suggestions etc to:'#010+
+  '    ','             [email protected]'#000+
   '11025_**0*_put + after a boolean switch option to enable it, - to disa'+
   'ble it'#010+
   '**1a_the compiler doesn'#039't delete the generated assembler file'#010+
   '**2al_list sourcecode lines in assembler file'#010+
-  '**2ar','_list register allocation/release info in assembler file'#010+
+  '**2ar_list register ','allocation/release info in assembler file'#010+
   '**2at_list temp allocation/release info in assembler file'#010+
   '**1b_generate browser info'#010+
   '**2bl_generate local symbol info'#010+
   '**1B_build all modules'#010+
   '**1C<x>_code generation options:'#010+
-  '**2CD_cre','ate also dynamic library (not supported)'#010+
+  '**2CD_create also dynami','c library (not supported)'#010+
   '**2Ch<n>_<n> bytes heap (between 1023 and 67107840)'#010+
   '**2Ci_IO-checking'#010+
   '**2Cn_omit linking stage'#010+
   '**2Co_check overflow of integer operations'#010+
   '**2Cr_range checking'#010+
-  '**2CR_verify object method call validity',#010+
-  '**2Cs<n>_set stack size to <n>'#010+
+  '**2CR_verify object method call validity'#010+
+  '**2Cs<n>_set s','tack size to <n>'#010+
   '**2Ct_stack checking'#010+
   '**2CX_create also smartlinked library'#010+
   '**1d<x>_defines the symbol <x>'#010+
@@ -723,108 +722,108 @@ const msgtxt : array[0..000146,1..240] of char=(
   '*O2Dd<x>_set description to <x>'#010+
   '*O2Dw_PM application'#010+
   '**1e<x>_set path to executable'#010+
-  '**1E_same',' as -Cn'#010+
-  '**1F<x>_set file names and paths:'#010+
+  '**1E_same as -Cn'#010+
+  '**1F<x>','_set file names and paths:'#010+
   '**2FD<x>_sets the directory where to search for compiler utilities'#010+
   '**2Fe<x>_redirect error output to <x>'#010+
   '**2FE<x>_set exe/unit output path to <x>'#010+
   '**2Fi<x>_adds <x> to include path'#010+
-  '**2Fl<x>_adds <x> ','to library path'#010+
+  '**2Fl<x>_adds <x> to library path',#010+
   '*L2FL<x>_uses <x> as dynamic linker'#010+
   '**2Fo<x>_adds <x> to object path'#010+
   '**2Fr<x>_load error message file <x>'#010+
   '**2Fu<x>_adds <x> to unit path'#010+
   '**2FU<x>_set unit output path to <x>, overrides -FE'#010+
-  '*g1g_generate debugger information:',#010+
-  '*g2gg_use gsym'#010+
+  '*g1g_generate debugger information:'#010+
+  '*g2gg_use gsym',#010+
   '*g2gd_use dbx'#010+
   '*g2gh_use heap trace unit (for memory leak debugging)'#010+
   '*g2gl_use line info unit to show more info for backtraces'#010+
   '*g2gc_generate checks for pointers'#010+
   '**1i_information'#010+
   '**2iD_return compiler date'#010+
-  '**2iV_return compil','er version'#010+
-  '**2iSO_return compiler OS'#010+
+  '**2iV_return compiler version'#010+
+  '**2i','SO_return compiler OS'#010+
   '**2iSP_return compiler processor'#010+
   '**2iTO_return target OS'#010+
   '**2iTP_return target processor'#010+
   '**1I<x>_adds <x> to include path'#010+
   '**1k<x>_Pass <x> to the linker'#010+
   '**1l_write logo'#010+
-  '**1n_don'#039't read the default config ','file'#010+
-  '**1o<x>_change the name of the executable produced to <x>'#010+
+  '**1n_don'#039't read the default config file'#010+
+  '**1o<x>_ch','ange the name of the executable produced to <x>'#010+
   '**1pg_generate profile code for gprof (defines FPC_PROFILE)'#010+
   '*L1P_use pipes instead of creating temporary assembler files'#010+
   '**1S<x>_syntax options:'#010+
-  '**2S2_switch some Delphi 2 exten','sions on'#010+
-  '**2Sc_supports operators like C (*=,+=,/= and -=)'#010+
+  '**2S2_switch some Delphi 2 extensions on'#010+
+  '**2Sc_','supports operators like C (*=,+=,/= and -=)'#010+
   '**2Sa_include assertion code.'#010+
   '**2Sd_tries to be Delphi compatible'#010+
   '**2Se<x>_compiler stops after the <x> errors (default is 1)'#010+
   '**2Sg_allow LABEL and GOTO'#010+
   '**2Sh_Use ansistrings'#010+
-  '**2Si_','support C++ styled INLINE'#010+
+  '**2Si_support C++ sty','led INLINE'#010+
   '**2Sm_support macros like C (global)'#010+
   '**2So_tries to be TP/BP 7.0 compatible'#010+
   '**2Sp_tries to be gpc compatible'#010+
   '**2Ss_constructor name must be init (destructor must be done)'#010+
   '**2St_allow static keyword in objects'#010+
-  '**1s_','don'#039't call assembler and linker (only with -a)'#010+
+  '**1s_don'#039't call asse','mbler and linker (only with -a)'#010+
   '**2st_Generate script to link on target'#010+
   '**2sh_Generate script to link on host'#010+
   '**1u<x>_undefines the symbol <x>'#010+
   '**1U_unit options:'#010+
   '**2Un_don'#039't check the unit name'#010+
-  '**2Ur_generate release unit fil','es'#010+
-  '**2Us_compile a system unit'#010+
+  '**2Ur_generate release unit files'#010+
+  '**2Us_compil','e a system unit'#010+
   '**1v<x>_Be verbose. <x> is a combination of the following letters:'#010+
   '**2*_e : Show errors (default)       d : Show debug info'#010+
   '**2*_w : Show warnings               u : Show unit info'#010+
-  '**2*_n : Show notes          ','        t : Show tried/used files'#010+
+  '**2*_n : Show notes                  t : Sho','w tried/used files'#010+
   '**2*_h : Show hints                  m : Show defined macros'#010+
   '**2*_i : Show general info           p : Show compiled procedures'#010+
   '**2*_l : Show linenumbers            c : Show conditionals'#010+
-  '**2*_a : Show everyt','hing             0 : Show nothing (except errors'+
+  '**2*_a : Show everything           ','  0 : Show nothing (except errors'+
   ')'#010+
   '**2*_b : Show all procedure          r : Rhide/GCC compatibility mode'#010+
   '**2*_    declarations if an error    x : Executable info (Win32 only)'#010+
   '**2*_    occurs'#010+
-  '**1V_write fpcdebug.txt file with ','lots of debugging info'#010+
+  '**1V_write fpcdebug.txt file with lots of debuggi','ng info'#010+
   '**1X_executable options:'#010+
   '*L2Xc_link with the c library'#010+
   '**2Xs_strip all symbols from executable'#010+
   '**2XD_try to link dynamic          (defines FPC_LINK_DYNAMIC)'#010+
-  '**2XS_try to link static (default) (defines FPC_LINK_STATIC)',#010+
-  '**2XX_try to link smart            (defines FPC_LINK_SMART)'#010+
+  '**2XS_try to link static (default) (defines FPC_LINK_STATIC)'#010+
+  '**2XX_try to l','ink smart            (defines FPC_LINK_SMART)'#010+
   '**0*_Processor specific options:'#010+
   '3*1A<x>_output format:'#010+
   '3*2Aas_assemble using GNU AS'#010+
   '3*2Anasmcoff_coff (Go32v2) file using Nasm'#010+
   '3*2Anasmelf_elf32 (Linux) file using Nasm'#010+
-  '3*2Anasmo','bj_obj file using Nasm'#010+
+  '3*2Anasmobj_obj file usi','ng Nasm'#010+
   '3*2Amasm_obj file using Masm (Microsoft)'#010+
   '3*2Atasm_obj file using Tasm (Borland)'#010+
   '3*2Acoff_coff (Go32v2) using internal writer'#010+
   '3*2Apecoff_pecoff (Win32) using internal writer'#010+
   '3*1R<x>_assembler reading style:'#010+
-  '3*2Ratt_rea','d AT&T style assembler'#010+
+  '3*2Ratt_read AT&T style as','sembler'#010+
   '3*2Rintel_read Intel style assembler'#010+
   '3*2Rdirect_copy assembler text directly to assembler file'#010+
   '3*1O<x>_optimizations:'#010+
   '3*2Og_generate smaller code'#010+
   '3*2OG_generate faster code (default)'#010+
-  '3*2Or_keep certain variables in re','gisters'#010+
-  '3*2Ou_enable uncertain optimizations (see docs)'#010+
+  '3*2Or_keep certain variables in registers'#010+
+  '3*2Ou_e','nable uncertain optimizations (see docs)'#010+
   '3*2O1_level 1 optimizations (quick optimizations)'#010+
   '3*2O2_level 2 optimizations (-O1 + slower optimizations)'#010+
   '3*2O3_level 3 optimizations (-O2 repeatedly, max 5 times)'#010+
-  '3*2Op<x>_target pro','cessor:'#010+
-  '3*3Op1_set target processor to 386/486'#010+
+  '3*2Op<x>_target processor:'#010+
+  '3*3Op1_','set target processor to 386/486'#010+
   '3*3Op2_set target processor to Pentium/PentiumMMX (tm)'#010+
   '3*3Op3_set target processor to PPro/PII/c6x86/K6 (tm)'#010+
   '3*1T<x>_Target operating system:'#010+
   '3*2TGO32V2_version 2 of DJ Delorie DOS extender'#010+
-  '3*2','TWDOSX DOS 32 Bit Extender'#010+
+  '3*2TWDOSX DOS 32 B','it Extender'#010+
   '3*2TLINUX_Linux'#010+
   '3*2Tnetware_Novell Netware Module (experimental)'#010+
   '3*2TOS2_OS/2 2.x'#010+
@@ -832,12 +831,12 @@ const msgtxt : array[0..000146,1..240] of char=(
   '3*2TWin32_Windows 32 Bit'#010+
   '3*1W<x>_Win32 target options'#010+
   '3*2WB<x>_Set Image base to Hexadecimal <x> value'#010+
-  '3*2W','C_Specify console type application'#010+
+  '3*2WC_Specify conso','le type application'#010+
   '3*2WD_Use DEFFILE to export functions of DLL or EXE'#010+
   '3*2WF_Specify full-screen type application (OS/2 only)'#010+
   '3*2WG_Specify graphic type application'#010+
-  '3*2WN_Do not generate relocation code (necessary for debugg','ing)'#010+
-  '3*2WR_Generate relocation code'#010+
+  '3*2WN_Do not generate relocation code (necessary for debugging)'#010+
+  '3*2WR_Gene','rate relocation code'#010+
   '6*1A<x>_output format'#010+
   '6*2Aas_Unix o-file using GNU AS'#010+
   '6*2Agas_GNU Motorola assembler'#010+
@@ -845,13 +844,13 @@ const msgtxt : array[0..000146,1..240] of char=(
   '6*2Amot_Standard Motorola assembler'#010+
   '6*1O_optimizations:'#010+
   '6*2Oa_turn on the optimizer'#010+
-  '6*2Og_','generate smaller code'#010+
+  '6*2Og_generate smalle','r code'#010+
   '6*2OG_generate faster code (default)'#010+
   '6*2Ox_optimize maximum (still BUGGY!!!)'#010+
   '6*2O0_set target processor to a MC68000'#010+
   '6*2O2_set target processor to a MC68020+ (default)'#010+
   '6*1R<x>_assembler reading style:'#010+
-  '6*2RMOT_read moto','rola style assembler'#010+
+  '6*2RMOT_read motorola style asse','mbler'#010+
   '6*1T<x>_Target operating system:'#010+
   '6*2TAMIGA_Commodore Amiga'#010+
   '6*2TATARI_Atari ST/STe/TT'#010+

compiler/nadd.pas

@@ -864,17 +864,7 @@ implementation
                       if (is_constintnode(right) and (nodetype in [ltn,lten])) or
                          (is_constintnode(left) and (nodetype in [gtn,gten])) then
                          CGMessage(type_w_signed_unsigned_always_false);
-                    end
-                 else
-                 { give out a warning if types are not of the same sign, and are
-                   not constants.
-                 }
-                 if (((byte(is_signed(rd)) xor byte(is_signed(ld))) and 1)<>0) and
-                      (nodetype in [ltn,gtn,gten,lten,equaln,unequaln]) and (not is_constintnode(left)) and
-                      (not is_constintnode(right)) then
-                   begin
-                       CGMessage(type_w_mixed_signed_unsigned3);
-                   end;
+                    end;
 
                  inserttypeconv(right,s32bittype);
                  inserttypeconv(left,s32bittype);
@@ -1891,7 +1881,13 @@ begin
 end.
 {
   $Log$
-  Revision 1.72  2002-11-25 17:43:17  peter
+  Revision 1.73  2002-11-25 18:43:32  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.72  2002/11/25 17:43:17  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/ncal.pas

@@ -29,6 +29,7 @@ unit ncal;
 interface
 
     uses
+       cutils,cclasses,
        globtype,
        node,
        {$ifdef state_tracking}
@@ -56,7 +57,6 @@ interface
           { function return reference node, this is used to pass an already
             allocated reference for a ret_in_param return value }
           funcretrefnode : tnode;
-
           { only the processor specific nodes need to override this }
           { constructor                                             }
           constructor create(l:tnode; v : tprocsym;st : tsymtable; mp : tnode);virtual;
@@ -68,6 +68,14 @@ interface
           procedure ppuwrite(ppufile:tcompilerppufile);override;
           procedure derefimpl;override;
           function  getcopy : tnode;override;
+          { Goes through all symbols in a class and subclasses and calls
+            verify abstract for each .
+          }
+          procedure verifyabstractcalls;
+          { called for each definition in a class and verifies if a method
+            is abstract or not, if it is abstract, give out a warning
+          }
+          procedure verifyabstract(p : tnamedindexitem;arg:pointer);
           procedure insertintolist(l : tnodelist);override;
           function  pass_1 : tnode;override;
        {$ifdef nice_ncal}
@@ -79,6 +87,8 @@ interface
        {$endif state_tracking}
           function  docompare(p: tnode): boolean; override;
           procedure set_procvar(procvar:tnode);
+       private
+          AbstractMethodsList : TStringList;
        end;
        tcallnodeclass = class of tcallnode;
 
@@ -145,7 +155,7 @@ interface
 implementation
 
     uses
-      cutils,systems,
+      systems,
       verbose,globals,
       symconst,paramgr,defutil,defcmp,
       htypechk,pass_1,cpuinfo,cpubase,
@@ -153,6 +163,12 @@ implementation
       rgobj,cgbase
       ;
 
+type
+     tobjectinfoitem = class(tlinkedlistitem)
+       objinfo : tobjectdef;
+       constructor create(def : tobjectdef);
+     end;
+      
 
 {****************************************************************************
                              HELPERS
@@ -219,6 +235,12 @@ implementation
       end;
 
 
+      constructor tobjectinfoitem.create(def : tobjectdef);
+        begin
+          inherited create;
+          objinfo := def;
+        end;
+
 {****************************************************************************
                              TCALLPARANODE
  ****************************************************************************}
@@ -827,6 +849,109 @@ implementation
       begin
       end;
 
+
+    procedure tcallnode.verifyabstract(p : tnamedindexitem;arg:pointer);
+
+      var
+         hp : tprocdef;
+          j: integer;
+      begin
+         if (tsym(p).typ=procsym) then
+           begin
+              for j:=1 to tprocsym(p).procdef_count do
+               begin
+                  { index starts at 1 }
+                  hp:=tprocsym(p).procdef[j];
+                  { If this is an abstract method insert into the list }
+                  if (po_abstractmethod in hp.procoptions) then
+                     AbstractMethodsList.Insert(hp.procsym.name)
+                  else 
+                    { If this symbol is already in the list, and it is 
+                      an overriding method or dynamic, then remove it from the list
+                    }
+                    begin
+                       { symbol was found }
+                       if AbstractMethodsList.Find(hp.procsym.name) <> nil then
+                         begin
+                            if po_overridingmethod in hp.procoptions then
+                              AbstractMethodsList.Remove(hp.procsym.name);
+                         end;
+                 
+                  end;
+               end;
+           end;
+      end;
+
+
+    procedure tcallnode.verifyabstractcalls;
+     var
+       objectdf : tobjectdef;
+       parents : tlinkedlist;
+       objectinfo : tobjectinfoitem;
+       stritem : tstringlistitem;
+       _classname : string;
+     begin
+       objectdf := nil;
+       { verify if trying to create an instance of a class which contains
+         non-implemented abstract methods }
+     
+       { first verify this class type, no class than exit  }
+       { also, this checking can only be done if the constructor is directly 
+         called, indirect constructor calls cannot be checked. 
+       }
+       if assigned(methodpointer) and assigned(methodpointer.resulttype.def) then
+           if (methodpointer.resulttype.def.deftype = classrefdef) and 
+             (methodpointer.nodetype in [typen,loadvmtn]) then
+             begin
+               if (tclassrefdef(methodpointer.resulttype.def).pointertype.def.deftype = objectdef) then
+                   objectdf := tobjectdef(tclassrefdef(methodpointer.resulttype.def).pointertype.def);
+                   
+             end;
+       if not assigned(objectdf) then exit;
+       if assigned(objectdf.symtable.name) then 
+         _classname := objectdf.symtable.name^
+       else
+         _classname := '';
+   
+       parents := tlinkedlist.create;
+       AbstractMethodsList := tstringlist.create;
+
+       { insert all parents in this class : the first item in the  
+         list will be the base parent of the class . 
+       }
+       while assigned(objectdf) do
+         begin
+           objectinfo:=tobjectinfoitem.create(objectdf);
+           parents.insert(objectinfo);
+           objectdf := objectdf.childof;
+       end;
+       { now all parents are in the correct order 
+         insert all abstract methods in the list, and remove
+         those which are overriden by parent classes.
+       }
+       objectinfo:=tobjectinfoitem(parents.first);
+       while assigned(objectinfo) do
+         begin
+            objectdf := objectinfo.objinfo;
+            if assigned(objectdf.symtable) then
+              objectdf.symtable.foreach({$ifdef FPCPROCVAR}@{$endif}verifyabstract,nil);
+            objectinfo:=tobjectinfoitem(objectinfo.next);
+         end;
+       if assigned(parents) then
+         parents.free;
+       { Finally give out a warning for each abstract method still in the list }
+       stritem := tstringlistitem(AbstractMethodsList.first);
+       while assigned(stritem) do
+        begin
+          if assigned(stritem.fpstr) then
+             Message2(type_w_instance_with_abstract,lower(_classname),lower(stritem.fpstr^)); 
+          stritem := tstringlistitem(stritem.next);
+        end;        
+       if assigned(AbstractMethodsList) then
+         AbstractMethodsList.Free;
+   end;
+
+
 {$ifdef nice_ncal}
 
     function Tcallnode.choose_definition_to_call(paralength:byte;var errorexit:boolean):Tnode;
@@ -1377,6 +1502,7 @@ implementation
                  assigned(methodpointer.resulttype.def) and
                  (methodpointer.resulttype.def.deftype=classrefdef) then
                     resulttype:=tclassrefdef(methodpointer.resulttype.def).pointertype;
+
             end;
 
         { flag all callparanodes that belong to the varargs }
@@ -2239,6 +2365,7 @@ implementation
                 assigned(methodpointer.resulttype.def) and
                 (methodpointer.resulttype.def.deftype=classrefdef) then
                resulttype:=tclassrefdef(methodpointer.resulttype.def).pointertype;
+
            end;
 
          { flag all callparanodes that belong to the varargs }
@@ -2430,6 +2557,10 @@ implementation
          { if this is a call to a method calc the registers }
          if (methodpointer<>nil) then
            begin
+              { if we are calling the constructor }
+              if procdefinition.proctypeoption in [potype_constructor] then
+                verifyabstractcalls;
+
               case methodpointer.nodetype of
                 { but only, if this is not a supporting node }
                 typen: ;
@@ -2664,7 +2795,13 @@ begin
 end.
 {
   $Log$
-  Revision 1.109  2002-11-25 17:43:17  peter
+  Revision 1.110  2002-11-25 18:43:32  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.109  2002/11/25 17:43:17  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/pdecl.pas

@@ -432,7 +432,7 @@ implementation
                     newtype:=ttypesym(sym);
                     tt:=newtype.restype;
                   end;
-                  message1(parser_h_type_redef,typename);
+                  message1(parser_h_type_redef,lower(typename));
                end;
             end;
            { no old type reused ? Then insert this new type }
@@ -627,7 +627,13 @@ implementation
 end.
 {
   $Log$
-  Revision 1.60  2002-11-23 22:50:06  carl
+  Revision 1.61  2002-11-25 18:43:32  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.60  2002/11/23 22:50:06  carl
     * some small speed optimizations
     + added several new warnings/hints
 

compiler/psub.pas

@@ -301,12 +301,6 @@ implementation
             { the procedure is now defined }
             aktprocdef.forwarddef:=false;
 
-{$ifdef state_tracking}
-{       writenode(code);
-        do_track_state_pass(code);
-        writenode(code);}
-{$endif}
-
              { only generate the code if no type errors are found, else
                finish at least the type checking pass }
 {$ifndef NOPASS2}
@@ -805,7 +799,13 @@ implementation
 end.
 {
   $Log$
-  Revision 1.78  2002-11-25 17:43:23  peter
+  Revision 1.79  2002-11-25 18:43:32  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.78  2002/11/25 17:43:23  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/ptconst.pas

@@ -860,7 +860,7 @@ implementation
                     { after the last initialized field                      }
                     ((recsym=nil) or
                      (tvarsym(srsym).address > tvarsym(recsym).address)) then
-                   Message1(parser_h_skipped_fields_after,s);
+                   Message1(parser_w_skipped_fields_after,s);
 
                  for i:=1 to t.def.size-aktpos do
                    curconstSegment.concat(Tai_const.Create_8bit(0));
@@ -985,7 +985,13 @@ implementation
 end.
 {
   $Log$
-  Revision 1.60  2002-11-25 17:43:23  peter
+  Revision 1.61  2002-11-25 18:43:33  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.60  2002/11/25 17:43:23  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/symdef.pas

@@ -3061,11 +3061,7 @@ implementation
       begin
          if assigned(rettype.def) and
             (rettype.def.deftype=floatdef) then
-{$ifdef FAST_FPU}
-           fpu_used:=3;
-{$else : not FAST_FPU, i.e. SAFE_FPU}
-           fpu_used:={2}maxfpuregs;
-{$endif FAST_FPU}
+           fpu_used:=maxfpuregs;
       end;
 
 
@@ -3931,11 +3927,7 @@ implementation
          { a more secure way would be
            to allways store in a temp }
          if is_fpu(rettype.def) then
-{$ifdef FAST_FPU}
-           fpu_used:=3
-{$else : not FAST_FPU, i.e. SAFE_FPU}
            fpu_used:={2}maxfpuregs
-{$endif FAST_FPU}
          else
            fpu_used:=0;
          inherited ppuwrite(ppufile);
@@ -5537,7 +5529,13 @@ implementation
 end.
 {
   $Log$
-  Revision 1.110  2002-11-25 17:43:24  peter
+  Revision 1.111  2002-11-25 18:43:33  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.110  2002/11/25 17:43:24  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/symsym.pas

@@ -284,10 +284,6 @@ interface
           consttyp    : tconsttyp;
           value : tconstvalue;
           resstrindex  : longint;     { needed for resource strings }
-(*        valueord    : tconstexprint; { used for ordinal values }
-          valueordptr : TConstPtrUInt; { used for pointer values }
-          valueptr    : pointer; { used for string, set, real values }
-          len         : longint; { len is needed for string length }*)
           constructor create_ord(const n : string;t : tconsttyp;v : tconstexprint);
           constructor create_ord_typed(const n : string;t : tconsttyp;v : tconstexprint;const tt:ttype);
           constructor create_ordptr_typed(const n : string;t : tconsttyp;v : tconstptruint;const tt:ttype);
@@ -2483,7 +2479,13 @@ implementation
 end.
 {
   $Log$
-  Revision 1.76  2002-11-25 17:43:26  peter
+  Revision 1.77  2002-11-25 18:43:34  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.76  2002/11/25 17:43:26  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once

compiler/x86/cgx86.pas

@@ -440,16 +440,6 @@ unit cgx86;
     procedure tcgx86.a_load_const_ref(list : taasmoutput; size: tcgsize; a : aword;const ref : treference);
 
       begin
-{$ifdef OPTLOAD0}
-        { zero is often used several times in succession -> load it in a  }
-        { register and then store it to memory, so the optimizer can then }
-        { remove the unnecessary loads of registers and you get smaller   }
-        { (and faster) code                                               }
-        if (a = 0) and
-           (size in [OS_32,OS_S32]) then
-          inherited a_load_const_ref(list,size,a,ref)
-        else
-{$endif OPTLOAD0}
           list.concat(taicpu.op_const_ref(A_MOV,TCGSize2OpSize[size],a,ref));
       end;
 
@@ -1682,7 +1672,13 @@ unit cgx86;
 end.
 {
   $Log$
-  Revision 1.22  2002-11-25 17:43:29  peter
+  Revision 1.23  2002-11-25 18:43:34  carl
+   - removed the invalid if <> checking (Delphi is strange on this)
+   + implemented abstract warning on instance creation of class with
+      abstract methods.
+   * some error message cleanups
+
+  Revision 1.22  2002/11/25 17:43:29  peter
     * splitted defbase in defutil,symutil,defcmp
     * merged isconvertable and is_equal into compare_defs(_ext)
     * made operator search faster by walking the list only once