+ checks for division by zero

compiler/msgidx.inc

@@ -169,6 +169,8 @@ type tmsgconst=(
   parser_e_cant_publish_that,
   parser_e_cant_publish_that_property,
   parser_w_empty_import_name,
+  parser_e_division_by_zero,
+  parser_e_invalid_float_operation,
   type_e_mismatch,
   type_e_integer_expr_expected,
   type_e_ordinal_expr_expected,

compiler/msgtxt.inc

@@ -175,250 +175,252 @@ const msgtxt : array[0..00090,1..240] of char=(+
   'E_Symbol can'#039't be published, can be only a class'#000+
   'E_That kind of property can'#039't be published'#000+
   'W_Empty import name specified'#000+
+  'E_Division by zero'#000+
+  'E_Invalid floating point operation'#000+
   'E_Type mismatch'#000+
   'E_Integer expression expected'#000+
-  'E_Ordinal expression expected'#000+
-  'E_Type identifier expecte','d'#000+
+  'E','_Ordinal expression expected'#000+
+  'E_Type identifier expected'#000+
   'E_Variable identifier expected'#000+
   'E_pointer type expected'#000+
   'E_class type expected'#000+
   'E_Variable or type indentifier expected'#000+
   'E_Can'#039't evaluate constant expression'#000+
-  'E_Set elements are not compatible'#000+
-  'W_Automatic type conversion from floating type to ','COMP which is an i'+
-  'nteger type'#000+
+  'E_Set elements are not compati','ble'#000+
+  'W_Automatic type conversion from floating type to COMP which is an int'+
+  'eger type'#000+
   'W_Using / will give a floating point result'#000+
   'H_use DIV instead to get an integer result'#000+
   'E_string types doesn'#039't match, because of $V+ mode'#000+
-  'E_succ or pred on enums with assignments not possible'#000+
-  'E_Can'#039't read or wri','te variables of this type'#000+
+  'E_succ or pred on e','nums with assignments not possible'#000+
+  'E_Can'#039't read or write variables of this type'#000+
   'E_Type conflict between set elements'#000+
   'E_Integer or real expression expected'#000+
   'E_Identifier not found $1'#000+
   'F_Internal Error in SymTableStack()'#000+
-  'E_Duplicate identifier $1'#000+
+  'E_Duplicate identifier ','$1'#000+
   'E_Unknown identifier $1'#000+
-  'E_Forward declaration not s','olved $1'#000+
+  'E_Forward declaration not solved $1'#000+
   'F_Identifier type already defined as type'#000+
   'E_Error in type definition'#000+
   'E_Type identifier not defined'#000+
   'E_Forward type not resolved $1'#000+
-  'E_Only static variables can be used in static methods or outside metho'+
-  'ds'#000+
-  'E_Invalid call to tvarsym.ma','ngledname()'#000+
+  'E_Only static variables can be used in static m','ethods or outside met'+
+  'hods'#000+
+  'E_Invalid call to tvarsym.mangledname()'#000+
   'F_record or class type expected'#000+
   'E_Instances of classes or objects with an abtsract method are not allo'+
   'wed'#000+
   'E_Label not defined $1'#000+
   'E_Illegal label declaration'#000+
-  'E_GOTO und LABEL are not supported (use command line switch -Sg)'#000+
-  'E_Labe','l not found'#000+
+  'E_GOTO und LABEL ','are not supported (use command line switch -Sg)'#000+
+  'E_Label not found'#000+
   'E_identifier isn'#039't a label'#000+
   'E_label already defined'#000+
   'E_illegal type declaration of set elements'#000+
   'E_Forward class definition not resolved $1'#000+
   'H_Parameter not used $1'#000+
-  'N_Local variable not used $1'#000+
+  'N_Local varia','ble not used $1'#000+
   'E_Set type expected'#000+
-  'W_Function result ','does not seem to be set'#000+
+  'W_Function result does not seem to be set'#000+
   'E_Unknown field identifier'#000+
   'W_Local variable $1 does not seem to be initialized'#000+
   'E_identifier idents no member $1'#000+
   'B_Found declaration: $1'#000+
   'E_BREAK not allowed'#000+
-  'E_CONTINUE not allowed'#000+
-  'E_Expression too complicated - FPU st','ack overflow'#000+
+  'E_CONT','INUE not allowed'#000+
+  'E_Expression too complicated - FPU stack overflow'#000+
   'E_Illegal expression'#000+
   'E_Invalid integer'#000+
   'E_Illegal qualifier'#000+
   'E_High range limit < low range limit'#000+
   'E_Illegal counter variable'#000+
-  'E_Can'#039't determine which overloaded function to call'#000+
+  'E_Can'#039't determine which overloaded function to cal','l'#000+
   'E_Parameter list size exceeds 65535 bytes'#000+
-  'E_Illegal ','type conversion'#000+
+  'E_Illegal type conversion'#000+
   'E_File types must be var parameters'#000+
   'E_The use of a far pointer isn'#039't allowed there'#000+
   'E_illegal call by reference parameters'#000+
   'E_EXPORT declared functions can'#039't be called'#000+
-  'W_Possible illegal call of constructor or destructor (does','n'#039't ma'+
+  'W_Po','ssible illegal call of constructor or destructor (doesn'#039't ma'+
   'tch to this context)'#000+
   'N_Inefficient code'#000+
   'W_unreachable code'#000+
   'E_procedure call with stackframe ESP/SP'#000+
   'E_Abstract methods can'#039't be called directly'#000+
-  'F_Internal Error in getfloatreg(), allocation failure'#000+
+  'F_Internal Error in getfloatreg(), al','location failure'#000+
   'F_Unknown float type'#000+
-  'F_SecondVecn() b','ase defined twice'#000+
+  'F_SecondVecn() base defined twice'#000+
   'F_Extended cg68k not supported'#000+
   'F_32-bit unsigned not supported in MC68000 mode'#000+
   'F_Internal Error in secondinline()'#000+
   'D_Register $1 weight $2 $3'#000+
-  'E_Stack limit excedeed in local routine'#000+
+  'E_Stack limit excedeed in l','ocal routine'#000+
   'D_Stack frame is omited'#000+
-  'E_Unable to inlin','e object methods'#000+
+  'E_Unable to inline object methods'#000+
   'E_Unable to inline procvar calls'#000+
   'E_No code for inline procedure stored'#000+
   'F_Divide by zero in asm evaluator'#000+
   'F_Evaluator stack overflow'#000+
   'F_Evaluator stack underflow'#000+
-  'F_Invalid numeric format in asm evaluator'#000+
-  'F_Invalid Operator in',' asm evaluator'#000+
+  'F_Invalid',' numeric format in asm evaluator'#000+
+  'F_Invalid Operator in asm evaluator'#000+
   'F_Unknown error in asm evaluator'#000+
   'W_Invalid numeric value'#000+
   'E_escape sequence ignored: $1'#000+
   'E_Asm syntax error - Prefix not found'#000+
-  'E_Asm syntax error - Trying to add more than one prefix'#000+
+  'E_Asm syntax error - Trying to add more than o','ne prefix'#000+
   'E_Asm syntax error - Opcode not found'#000+
-  'E_Inva','lid symbol reference'#000+
+  'E_Invalid symbol reference'#000+
   'W_Calling an overload function in an asm'#000+
   'E_Constant value out of bounds'#000+
   'E_Non-label pattern contains @'#000+
   'E_Invalid Operand: $1'#000+
   'W_Override operator not supported'#000+
-  'E_Error in binary constant: $1'#000+
-  'E_Error in octal constant: $1',#000+
+  'E_Erro','r in binary constant: $1'#000+
+  'E_Error in octal constant: $1'#000+
   'E_Error in hexadecimal constant: $1'#000+
   'E_Error in integer constant: $1'#000+
   'E_Invalid labeled opcode'#000+
   'F_Internal error in Findtype()'#000+
   'E_Invalid size for MOVSX/MOVZX'#000+
-  'E_16-bit base in 32-bit segment'#000+
+  'E_16-bit base in 32-bit segmen','t'#000+
   'E_16-bit index in 32-bit segment'#000+
   'E_Invalid Opcode'#000+
-  'E_','Constant reference not allowed'#000+
+  'E_Constant reference not allowed'#000+
   'W_Fwait can cause emulation problems with emu387'#000+
   'E_Invalid combination of opcode and operands'#000+
   'W_Opcode $1 not in table, operands not checked'#000+
-  'F_Internal Error in ConcatOpcode()'#000+
+  'F_Internal Err','or in ConcatOpcode()'#000+
   'E_Invalid size in reference'#000+
-  'E_Inv','alid middle sized operand'#000+
+  'E_Invalid middle sized operand'#000+
   'E_Invalid three operand opcode'#000+
   'E_Assembler syntax error'#000+
   'E_Invalid operand type'#000+
   'E_Segment overrides not supported'#000+
   'E_Invalid constant symbol $1'#000+
-  'F_Internal Errror converting binary'#000+
-  'F_Internal Errror converting hexadec','imal'#000+
+  'F_Internal Errror ','converting binary'#000+
+  'F_Internal Errror converting hexadecimal'#000+
   'F_Internal Errror converting octal'#000+
   'E_Invalid constant expression'#000+
   'E_Unknown identifier: $1'#000+
   'E_Trying to define an index register more than once'#000+
   'E_Invalid field specifier'#000+
-  'F_Internal Error in BuildScaling()'#000+
+  'F_Internal Er','ror in BuildScaling()'#000+
   'E_Invalid scaling factor'#000+
-  'E_Inval','id scaling value'#000+
+  'E_Invalid scaling value'#000+
   'E_Scaling value only allowed with index'#000+
   'E_Invalid assembler syntax. No ref with brackets)'#000+
   'E_Expressions of the form [sreg:reg...] are currently not supported'#000+
-  'E_Trying to define a segment register twice'#000+
-  'E_Trying to define a ','base register twice'#000+
+  'E_Trying to',' define a segment register twice'#000+
+  'E_Trying to define a base register twice'#000+
   'E_Trying to use a negative index register'#000+
   'E_Asm syntax error - error in reference'#000+
   'E_Local symbols not allowed as references'#000+
   'E_Invalid operand in bracket expression'#000+
-  'E_Invalid symbol name: $1'#000+
+  'E_','Invalid symbol name: $1'#000+
   'E_Invalid Reference syntax'#000+
-  'E_I','nvalid string as opcode operand: $1'#000+
+  'E_Invalid string as opcode operand: $1'#000+
   'W_@CODE and @DATA not supported'#000+
   'E_Null label references are not allowed'#000+
   'W_Calling of an overloaded function in direct assembler'#000+
-  'E_Cannot use SELF outside a method'#000+
-  'E_Asm syntax error - Should start with br','acket'#000+
+  'E_Cannot use SELF outs','ide a method'#000+
+  'E_Asm syntax error - Should start with bracket'#000+
   'E_Asm syntax error - register: $1'#000+
   'E_SEG and OFFSET not supported'#000+
   'E_Asm syntax error - in opcode operand'#000+
   'E_Invalid String expression'#000+
   'E_Constant expression out of bounds'#000+
-  'F_Internal Error in BuildConstant()'#000+
-  'W_A repeat prefix and a segmen','t override on <= i386 may result in er'+
-  'rors if an interrupt occurs'#000+
+  'F_Internal E','rror in BuildConstant()'#000+
+  'W_A repeat prefix and a segment override on <= i386 may result in erro'+
+  'rs if an interrupt occurs'#000+
   'E_Invalid or missing opcode'#000+
   'E_Invalid combination of prefix and opcode: $1'#000+
-  'E_Invalid combination of override and opcode: $1'#000+
+  'E_Invalid combination of override and opcode:',' $1'#000+
   'E_Too many operands on line'#000+
-  'E_Duplicate local symb','ol: $1'#000+
+  'E_Duplicate local symbol: $1'#000+
   'E_Unknown label identifer: $1'#000+
   'E_Assemble node syntax error'#000+
   'E_Undefined local symbol: $1'#000+
   'D_Starting intel styled assembler parsing...'#000+
   'D_Finished intel styled assembler parsing...'#000+
-  'E_Not a directive or local symbol: $1'#000+
-  'E_/ at beginning ','of line not allowed'#000+
+  'E','_Not a directive or local symbol: $1'#000+
+  'E_/ at beginning of line not allowed'#000+
   'E_NOR not supported'#000+
   'E_Invalid floating point register name'#000+
   'W_Modulo not supported'#000+
   'E_Invalid floating point constant: $1'#000+
-  'E_Size suffix and destination register do not match'#000+
+  'E_Size suffix and destination register do not ','match'#000+
   'E_Internal error in ConcatLabeledInstr()'#000+
-  'W_Float','ing point binary representation ignored'#000+
+  'W_Floating point binary representation ignored'#000+
   'W_Floating point hexadecimal representation ignored'#000+
   'W_Floating point octal representation ignored'#000+
   'E_Invalid real constant expression'#000+
-  'E_Parenthesis are not allowed'#000+
+  'E_Parenthesis',' are not allowed'#000+
   'E_Invalid Reference'#000+
-  'E_Cannot use __SE','LF outside a method'#000+
+  'E_Cannot use __SELF outside a method'#000+
   'E_Cannot use __OLDEBP outside a nested procedure'#000+
   'W_Identifier $1 supposed external'#000+
   'E_Invalid segment override expression'#000+
   'E_Strings not allowed as constants'#000+
-  'D_Starting AT&T styled assembler parsing...'#000+
-  'D_Finished AT&T styl','ed assembler parsing...'#000+
+  'D_Starting',' AT&T styled assembler parsing...'#000+
+  'D_Finished AT&T styled assembler parsing...'#000+
   'E_Switching sections is not allowed in an assembler block'#000+
   'E_Invalid global definition'#000+
   'E_Line separator expected'#000+
   'W_globl not supported'#000+
   'W_align not supported'#000+
-  'W_lcomm not supported'#000+
+  'W_lcom','m not supported'#000+
   'W_comm not supported'#000+
-  'E_Invalid local c','ommon definition'#000+
+  'E_Invalid local common definition'#000+
   'E_Invalid global common definition'#000+
   'E_local symbol: $1 not found inside asm statement'#000+
   'E_assembler code not returned to text'#000+
   'F_internal error in BuildReference()'#000+
-  'E_invalid opcode size'#000+
+  'E_invalid',' opcode size'#000+
   'W_NEAR ignored'#000+
   'W_FAR ignored'#000+
-  'D_Creating i','nline asm lookup tables'#000+
+  'D_Creating inline asm lookup tables'#000+
   'W_Using a defined name as a local label'#000+
   'F_internal error in HandleExtend()'#000+
   'E_Invalid character: <'#000+
   'E_Invalid character: >'#000+
   'E_Unsupported opcode'#000+
-  'E_Increment and Decrement mode not allowed together'#000+
-  'E_Invalid Register lis','t in movem/fmovem'#000+
+  'E_Increment and Decr','ement mode not allowed together'#000+
+  'E_Invalid Register list in movem/fmovem'#000+
   'E_Invalid Register list for opcode'#000+
   'E_68020+ mode required to assemble'#000+
   'D_Starting Motorola styled assembler parsing...'#000+
   'D_Finished Motorola styled assembler parsing...'#000+
-  'W_XDEF not supported'#000+
-  'W_Functions with void return value ','can'#039't return any value in asm'+
-  ' code'#000+
+  'W_','XDEF not supported'#000+
+  'W_Functions with void return value can'#039't return any value in asm c'+
+  'ode'#000+
   'E_Invalid suffix for intel assembler'#000+
   'E_Extended not supported in this mode'#000+
   'E_Comp not supported in this mode'#000+
-  'W_You need GNU as version >= 2.81 to compile this MMX code'#000+
+  'W_You need GNU as version >= 2.81 to compi','le this MMX code'#000+
   'F_Too many assembler files'#000+
-  'F_Selected',' assembler output not supported'#000+
+  'F_Selected assembler output not supported'#000+
   'E_Unsupported symbol type for operand'#000+
   'I_Assembling (pipe) $1'#000+
   'E_Can'#039't create assember file $1'#000+
   'W_Assembler $1 not found, switching to external assembling'#000+
-  'T_Using assembler: $1'#000+
-  'W_Error while assembling exitcode ','$1'#000+
+  'T_','Using assembler: $1'#000+
+  'W_Error while assembling exitcode $1'#000+
   'W_Can'#039't call the assembler, error $1 switching to external assembl'+
   'ing'#000+
   'I_Assembling $1'#000+
   'W_Linker $1 not found, switching to external linking'#000+
   'T_Using linker: $1'#000+
-  'W_Object $1 not found, Linking may fail !'#000+
-  'W_Library $1 not found, Linking may f','ail !'#000+
+  'W_Object $1 not found, Li','nking may fail !'#000+
+  'W_Library $1 not found, Linking may fail !'#000+
   'W_Error while linking'#000+
   'W_Can'#039't call the linker, switching to external linking'#000+
   'I_Linking $1'#000+
   'W_binder not found, switching to external binding'#000+
-  'W_ar not found, switching to external ar'#000+
+  'W_ar not found, switching to external ar',#000+
   'E_Dynamic Libraries not supported'#000+
-  'I_Closing script $1',#000+
+  'I_Closing script $1'#000+
   'T_Unitsearch: $1'#000+
   'T_PPU Loading $1'#000+
   'U_PPU Name: $1'#000+
@@ -428,8 +430,8 @@ const msgtxt : array[0..00090,1..240] of char=(+
   'U_PPU File too short'#000+
   'U_PPU Invalid Header (no PPU at the begin)'#000+
   'U_PPU Invalid Version $1'#000+
-  'U_PPU is compiled for an other processor'#000+
-  'U_PPU is compil','ed for an other target'#000+
+  'U_','PPU is compiled for an other processor'#000+
+  'U_PPU is compiled for an other target'#000+
   'U_PPU Source: $1'#000+
   'U_Writing $1'#000+
   'F_Can'#039't Write PPU-File'#000+
@@ -437,63 +439,63 @@ const msgtxt : array[0..00090,1..240] of char=(+
   'F_unexpected end of PPU-File'#000+
   'F_Invalid PPU-File entry: $1'#000+
   'F_PPU Dbx count problem'#000+
-  'E_Illegal unit name: $1'#000+
+  'E_Illegal',' unit name: $1'#000+
   'F_Too much units'#000+
-  'F_Circular unit refere','nce between $1 and $2'#000+
+  'F_Circular unit reference between $1 and $2'#000+
   'F_Can'#039't compile unit $1, no sources available'#000+
   'W_Compiling the system unit requires the -Us switch'#000+
   'F_There were $1 errors compiling module, stopping'#000+
-  'U_Load from $1 ($2) unit $3'#000+
-  'U_Recompiling $1, checksum changed for $2'#000,+
+  'U_Load from $1 (','$2) unit $3'#000+
+  'U_Recompiling $1, checksum changed for $2'#000+
   'U_Recompiling unit, static lib is older than ppufile'#000+
   'U_Recompiling unit, shared lib is older than ppufile'#000+
   'U_Recompiling unit, obj and asm are older than ppufile'#000+
-  'U_Recompiling unit, obj is older than asm'#000+
+  'U_Recompiling unit, obj i','s older than asm'#000+
   'U_Parsing interface of $1'#000+
-  'U_Parsing i','mplementation of $1'#000+
+  'U_Parsing implementation of $1'#000+
   'U_Second load for unit $1'#000+
   '$1 [options] <inputfile> [options]'#000+
   'W_Only one source file supported'#000+
   'W_DEF file can be created only for OS/2'#000+
-  'E_nested response files are not supported'#000+
+  'E_nested response files are not ','supported'#000+
   'F_No source file name in command line'#000+
-  'E_Ille','gal parameter: $1'#000+
+  'E_Illegal parameter: $1'#000+
   'H_-? writes help pages'#000+
   'F_Too many config files nested'#000+
   'F_Unable to open file $1'#000+
   'N_Reading further options from $1'#000+
   'W_Target is already set to: $1'#000+
-  'W_Shared libs not supported on DOS platform, reverting to static'#000+
-  'F_too many IF','(N)DEFs'#000+
+  'W_Shared libs not suppor','ted on DOS platform, reverting to static'#000+
+  'F_too many IF(N)DEFs'#000+
   'F_too many ENDIFs'#000+
   'F_open conditional at the end of the file'#000+
   'W_Debug information generation is not supported by this executable'#000+
   'H_Try recompiling with -dGDB'#000+
-  'Free Pascal Compiler version $FPCVER [$FPCDATE] for $FPCTARGET'#000+
-  'Copyright (c)',' 1993-98 by Florian Klaempfl'#000+
+  'Free Pascal Compiler v','ersion $FPCVER [$FPCDATE] for $FPCTARGET'#000+
+  'Copyright (c) 1993-98 by Florian Klaempfl'#000+
   'Free Pascal Compiler version $FPCVER'#000+
   #000+
   'Compiler Date  : $FPCDATE'#000+
   'Compiler Target: $FPCTARGET'#000+
   #000+
   'This program comes under the GNU General Public Licence'#000+
-  'For more information read COPYING.FPC'#000+
+  'For more',' information read COPYING.FPC'#000+
   #000+
-  'Report bugs,suggestions',' etc to:'#000+
+  'Report bugs,suggestions etc to:'#000+
   '                [email protected]'#000+
   '**0*_+ switch option on, - off'#000+
   '**1a_the compiler doesn'#039't delete the generated assembler file'#000+
-  '**2al_list sourcecode lines in assembler file'#000+
+  '**2al_list sourcecode lines in asse','mbler file'#000+
   '*t1b_use EMS'#000+
   '**1B_build all modules'#000+
-  '**1C_co','de generation options'#000+
+  '**1C_code generation options'#000+
   '3*2CD_create dynamic library'#000+
   '**2Ch<n>_<n> bytes heap (between 1023 and 67107840)'#000+
   '**2Ci_IO-checking'#000+
   '**2Cn_omit linking stage'#000+
-  '**2Co_check overflow of integer operations'#000+
+  '**2Co_check overflow of integer operatio','ns'#000+
   '**2Cr_range checking'#000+
-  '**2Cs<n>_set stack size to <n>',#000+
+  '**2Cs<n>_set stack size to <n>'#000+
   '**2Ct_stack checking'#000+
   '3*2CS_create static library'#000+
   '3*2Cx_use smartlinking'#000+
@@ -501,112 +503,111 @@ const msgtxt : array[0..00090,1..240] of char=(+
   '*O1D_generate a DEF file'#000+
   '*O2Dd<x>_set description to <x>'#000+
   '*O2Dw_PM application'#000+
-  '**1e<x>_set path to executable'#000+
+  '**1e','<x>_set path to executable'#000+
   '**1E_same as -Cn'#000+
-  '**1F_set f','ile names and paths'#000+
+  '**1F_set file names and paths'#000+
   '**2Fe<x>_redirect error output to <x>'#000+
   '**2FE<x>_set exe/unit output path to <x>'#000+
   '*L2Fg<x>_same as -Fl'#000+
   '**2Fi<x>_adds <x> to include path'#000+
-  '**2Fl<x>_adds <x> to library path'#000+
+  '**2Fl<x>_adds <x> to library pat','h'#000+
   '*L2FL<x>_uses <x> as dynamic linker'#000+
-  '**2Fo<x>_adds <x','> to object path'#000+
+  '**2Fo<x>_adds <x> to object path'#000+
   '**2Fr<x>_load error message file <x>'#000+
   '**2Fu<x>_adds <x> to unit path'#000+
   '**2FU<x>_set unit output path to <x>, overrides -FE'#000+
   '*g1g_generate debugger information'#000+
-  '*g2gg_use gsym'#000+
+  '*g2gg_use gsym',#000+
   '*g2gd_use dbx'#000+
   '**1i_information'#000+
-  '**1I<x>_adds <x> to in','clude path'#000+
+  '**1I<x>_adds <x> to include path'#000+
   '**1k<x>_Pass <x> to the linker'#000+
   '**1l_write logo'#000+
   '**1n_don'#039't read the default config file'#000+
   '**1o<x>_change the name of the executable produced to <x>'#000+
-  '**1pg_generate profile code for gprof'#000+
-  '*L1P_use pipes instead of creating temporary a','ssembler files'#000+
+  '**1pg_generate profile code fo','r gprof'#000+
+  '*L1P_use pipes instead of creating temporary assembler files'#000+
   '**1S_syntax options'#000+
   '**2S2_switch some Delphi 2 extensions on'#000+
   '**2Sc_supports operators like C (*=,+=,/= and -=)'#000+
   '**2Sd_tries to be Delphi compatible'#000+
-  '**2Se_compiler stops after the first error'#000+
+  '**2Se_compiler stops aft','er the first error'#000+
   '**2Sg_allow LABEL and GOTO'#000+
-  '**2Si_su','pport C++ stlyed INLINE'#000+
+  '**2Si_support C++ stlyed INLINE'#000+
   '**2Sm_support macros like C (global)'#000+
   '**2So_tries to be TP/BP 7.0 compatible'#000+
   '**2Sp_tries to be gpc compatible'#000+
-  '**2Ss_constructor name must be init (destructor must be done)'#000+
+  '**2Ss_constructor name must be init (destructor must ','be done)'#000+
   '**2St_allow static keyword in objects'#000+
-  '**2Sv_a','llow variable directives (cvar,external,public,export)'#000+
+  '**2Sv_allow variable directives (cvar,external,public,export)'#000+
   '**1s_don'#039't call assembler and linker (only with -a)'#000+
   '**1u<x>_undefines the symbol <x>'#000+
   '**1U_unit options'#000+
-  '**2Un_don'#039't check the unit name'#000+
+  '**2Un_don'#039't check the unit n','ame'#000+
   '**2Up<x>_same as -Fu<x>'#000+
-  '**2Us_compile a system uni','t'#000+
+  '**2Us_compile a system unit'#000+
   '**1v<x>_Be verbose. <x> is a combination of the following letters :'#000+
   '**2*_e : Show errors (default)       d : Show debug info'#000+
   '**2*_w : Show warnings               u : Show unit info'#000+
-  '**2*_n : Show notes                  t : Show tried/used ','files'#000+
+  '**2','*_n : Show notes                  t : Show tried/used files'#000+
   '**2*_h : Show hints                  m : Show defined macros'#000+
   '**2*_i : Show general info           p : Show compiled procedures'#000+
-  '**2*_l : Show linenumbers            c : Show conditionals'#000+
-  '**2*_a : Show everything             0 : Show no','thing (except errors'+
-  ')'#000+
+  '**2*_l : Show linenumbers            c : Show conditi','onals'#000+
+  '**2*_a : Show everything             0 : Show nothing (except errors)'#000+
   '**2*_b : Show all procedure'#000+
   '**2*_    declarations if an error'#000+
   '**2*_    occurs'#000+
   '**1X_executable options'#000+
   '*L2Xc_link with the c library'#000+
-  '**2XD_link with dynamic libraries (defines FPC_LINK_DYNAMIC)'#000+
-  '**2Xs_strip all symbols f','rom executable'#000+
+  '**2XD_link with dynamic librarie','s (defines FPC_LINK_DYNAMIC)'#000+
+  '**2Xs_strip all symbols from executable'#000+
   '**2XS_link with static libraries (defines FPC_LINK_STATIC)'#000+
   '**0*_Processor specific options:'#000+
   '3*1A<x>_output format'#000+
   '3*2Ao_coff file using GNU AS'#000+
-  '3*2Anasmcoff_coff file using Nasm'#000+
+  '3*2Anasmcoff_coff file using',' Nasm'#000+
   '3*2Anasmelf_elf32 (linux) file using Nasm'#000+
-  '3*2Ana','smobj_obj file using Nasm'#000+
+  '3*2Anasmobj_obj file using Nasm'#000+
   '3*2Amasm_obj using Masm (Mircosoft)'#000+
   '3*2Atasm_obj using Tasm (Borland)'#000+
   '3*1R<x>_assembler reading style'#000+
   '3*2Ratt_read AT&T style assembler'#000+
-  '3*2Rintel_read Intel style assembler'#000+
-  '3*2Rdirect_copy assembler text directly t','o assembler file'#000+
+  '3*2Rintel_read Intel sty','le assembler'#000+
+  '3*2Rdirect_copy assembler text directly to assembler file'#000+
   '3*1O<x>_optimizations'#000+
   '3*2Og_generate smaller code'#000+
   '3*2OG_generate faster code (default)'#000+
   '3*2Or_keep certain variables in registers (still BUGGY!!!)'#000+
-  '3*2Ou_enable uncertain optimizations (see docs)'#000+
-  '3*2O1_level 1 optimizations (','quick optimizations)'#000+
+  '3*2Ou_enable uncertain ','optimizations (see docs)'#000+
+  '3*2O1_level 1 optimizations (quick optimizations)'#000+
   '3*2O2_level 2 optimizations (-O1 + slower optimizations)'#000+
   '3*2O3_level 3 optimizations (same as -O2u)'#000+
   '3*2Op_target processor'#000+
   '3*3Op1_set target processor to 386/486'#000+
-  '3*3Op2_set target processor to Pentium/PentiumMMX (tm)'#000+
-  '3*','3Op3_set target processor to PPro/PII/c6x86/K6 (tm)'#000+
+  '3*3','Op2_set target processor to Pentium/PentiumMMX (tm)'#000+
+  '3*3Op3_set target processor to PPro/PII/c6x86/K6 (tm)'#000+
   '3*1T<x>_Target operating system'#000+
   '3*2TGO32V1_version 1 of DJ Delorie DOS extender'#000+
   '3*2TGO32V2_version 2 of DJ Delorie DOS extender'#000+
-  '3*2TLINUX_Linux'#000+
+  '3*2TLI','NUX_Linux'#000+
   '3*2TOS2_OS/2 2.x'#000+
   '3*2TWin32_Windows 32 Bit'#000+
-  '6*','1A<x>_output format'#000+
+  '6*1A<x>_output format'#000+
   '6*2Ao_Unix o-file using GNU AS'#000+
   '6*2Agas_GNU Motorola assembler'#000+
   '6*2Amit_MIT Syntax (old GAS)'#000+
   '6*2Amot_Standard Motorola assembler'#000+
   '6*1O_optimizations'#000+
-  '6*2Oa_turn on the optimizer'#000+
+  '6*2Oa_turn on the op','timizer'#000+
   '6*2Og_generate smaller code'#000+
-  '6*2OG_generate fas','ter code (default)'#000+
+  '6*2OG_generate faster code (default)'#000+
   '6*2Ox_optimize maximum (still BUGGY!!!)'#000+
   '6*2O2_set target processor to a MC68020+'#000+
   '6*1R<x>_assembler reading style'#000+
   '6*2RMOT_read motorola style assembler'#000+
-  '6*1T<x>_Target operating system'#000+
+  '6*1T<x>_Target o','perating system'#000+
   '6*2TAMIGA_Commodore Amiga'#000+
-  '6*2TATARI_At','ari ST/STe/TT'#000+
+  '6*2TATARI_Atari ST/STe/TT'#000+
   '6*2TMACOS_Macintosh m68k'#000+
   '6*2TLINUX_Linux-68k'#000+
   '**1*_'#000+

compiler/tcadd.pas

@@ -202,7 +202,13 @@ implementation
             unequaln : t:=genordinalconstnode(ord(lv<>rv),booldef);
               slashn : begin
                        { int/int becomes a real }
-                         t:=genrealconstnode(int(lv)/int(rv));
+                         if int(rv)=0 then
+                          begin
+                            Message(parser_e_invalid_float_operation);
+                            t:=genrealconstnode(0);
+                          end
+                         else
+                          t:=genrealconstnode(int(lv)/int(rv));
                          firstpass(t);
                        end;
               else
@@ -224,7 +230,15 @@ implementation
                  subn : t:=genrealconstnode(lvd-rvd);
                  muln : t:=genrealconstnode(lvd*rvd);
                caretn : t:=genrealconstnode(exp(ln(lvd)*rvd));
-               slashn : t:=genrealconstnode(lvd/rvd);
+               slashn : begin
+                          if rvd=0 then
+                           begin
+                             Message(parser_e_invalid_float_operation);
+                             t:=genrealconstnode(0);
+                           end
+                          else
+                           t:=genrealconstnode(lvd/rvd);
+                        end;
                   ltn : t:=genordinalconstnode(ord(lvd<rvd),booldef);
                  lten : t:=genordinalconstnode(ord(lvd<=rvd),booldef);
                   gtn : t:=genordinalconstnode(ord(lvd>rvd),booldef);
@@ -250,8 +264,7 @@ implementation
          new(s2);
 {$endif UseAnsiString}
          if (lt=ordconstn) and (rt=ordconstn) and
-            (ld^.deftype=orddef) and (porddef(ld)^.typ=uchar) and
-            (rd^.deftype=orddef) and (porddef(rd)^.typ=uchar) then
+            is_char(ld) and is_char(rd) then
            begin
 {$ifdef UseAnsiString}
               s1:=strpnew(char(byte(p^.left^.value)));
@@ -264,8 +277,7 @@ implementation
               concatstrings:=true;
            end
          else
-           if (lt=stringconstn) and (rt=ordconstn) and
-              (rd^.deftype=orddef) and (porddef(rd)^.typ=uchar) then
+           if (lt=stringconstn) and (rt=ordconstn) and is_char(rd) then
            begin
 {$ifdef UseAnsiString}
               { here there is allways the damn #0 problem !! }
@@ -362,8 +374,7 @@ implementation
          if (ld^.deftype=orddef) and (rd^.deftype=orddef) then
            begin
            { 2 booleans ? }
-             if (porddef(ld)^.typ in [bool8bit,bool16bit,bool32bit]) and
-                (porddef(rd)^.typ in [bool8bit,bool16bit,bool32bit]) then
+             if is_boolean(ld) and is_boolean(rd) then
               begin
                 case p^.treetype of
              andn,orn : begin
@@ -894,7 +905,10 @@ implementation
 end.
 {
   $Log$
-  Revision 1.2  1998-10-05 21:33:31  peter
+  Revision 1.3  1998-10-11 14:31:19  peter
+    + checks for division by zero
+
+  Revision 1.2  1998/10/05 21:33:31  peter
     * fixed 161,165,166,167,168
 
   Revision 1.1  1998/09/23 20:42:24  peter

compiler/tcmat.pas

@@ -53,17 +53,28 @@ implementation
     procedure firstmoddiv(var p : ptree);
       var
          t : ptree;
+         rv,lv : longint;
       begin
          firstpass(p^.left);
          firstpass(p^.right);
          if codegenerror then
            exit;
 
+         { check for division by zero }
+         rv:=p^.right^.value;
+         lv:=p^.left^.value;
+         if is_constintnode(p^.right) and (rv=0) then
+          begin
+            Message(parser_e_division_by_zero);
+            { recover }
+            rv:=1;
+          end;
+
          if is_constintnode(p^.left) and is_constintnode(p^.right) then
            begin
               case p^.treetype of
-                 modn : t:=genordinalconstnode(p^.left^.value mod p^.right^.value,s32bitdef);
-                 divn : t:=genordinalconstnode(p^.left^.value div p^.right^.value,s32bitdef);
+                modn : t:=genordinalconstnode(lv mod rv,s32bitdef);
+                divn : t:=genordinalconstnode(lv div rv,s32bitdef);
               end;
               disposetree(p);
               firstpass(t);
@@ -311,7 +322,10 @@ implementation
 end.
 {
   $Log$
-  Revision 1.1  1998-09-23 20:42:24  peter
+  Revision 1.2  1998-10-11 14:31:20  peter
+    + checks for division by zero
+
+  Revision 1.1  1998/09/23 20:42:24  peter
     * splitted pass_1
 
 }