| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- U S A G E -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2021, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING3. If not, go to -- |
| -- http://www.gnu.org/licenses for a complete copy of the license. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- Warning: the output of this usage for warnings is duplicated in the GNAT |
| -- reference manual. Be sure to update that if you change the warning list. |
| |
| with Namet; use Namet; |
| with Opt; use Opt; |
| with Osint; use Osint; |
| with Output; use Output; |
| |
| with System.WCh_Con; use System.WCh_Con; |
| |
| procedure Usage is |
| |
| procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat"); |
| -- Output two spaces followed by the switch character minus followed |
| -- Prefix, followed by the string given as the argument, and then enough |
| -- blanks to tab to column 13, i.e. assuming Sw is not longer than 5 |
| -- characters, the maximum allowed, Write_Switch_Char will always output |
| -- exactly 12 characters. |
| |
| ----------------------- |
| -- Write_Switch_Char -- |
| ----------------------- |
| |
| procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is |
| begin |
| Write_Str (" -"); |
| Write_Str (Prefix); |
| Write_Str (Sw); |
| |
| for J in 1 .. 12 - 3 - Prefix'Length - Sw'Length loop |
| Write_Char (' '); |
| end loop; |
| end Write_Switch_Char; |
| |
| -- Start of processing for Usage |
| |
| begin |
| Find_Program_Name; |
| |
| -- For gnatmake, we are appending this information to the end of |
| -- the normal gnatmake output, so generate appropriate header |
| |
| if Name_Len >= 8 |
| and then (Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake" |
| or else |
| Name_Buffer (Name_Len - 7 .. Name_Len) = "GNATMAKE") |
| then |
| Write_Eol; |
| Write_Line ("Compiler switches (passed to the compiler by gnatmake):"); |
| |
| else |
| -- Usage line |
| |
| Write_Str ("Usage: "); |
| Write_Program_Name; |
| Write_Char (' '); |
| Write_Str ("switches sfile"); |
| Write_Eol; |
| Write_Eol; |
| |
| -- Line for sfile |
| |
| Write_Line (" sfile Source file name"); |
| end if; |
| |
| Write_Eol; |
| |
| -- Common switches available everywhere |
| |
| Write_Switch_Char ("g ", ""); |
| Write_Line ("Generate debugging information"); |
| |
| Write_Switch_Char ("Idir ", ""); |
| Write_Line ("Specify source files search path"); |
| |
| Write_Switch_Char ("I- ", ""); |
| Write_Line ("Do not look for sources in current directory"); |
| |
| Write_Switch_Char ("O[0123] ", ""); |
| Write_Line ("Control the optimization level"); |
| |
| Write_Eol; |
| |
| -- Individual lines for switches. Write_Switch_Char outputs fourteen |
| -- characters, so the remaining message is allowed to be a maximum of |
| -- 65 characters to be comfortable in an 80 character window. |
| |
| -- Line for -gnata switch |
| |
| Write_Switch_Char ("a"); |
| Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated"); |
| |
| -- Line for -gnatA switch |
| |
| Write_Switch_Char ("A"); |
| Write_Line ("Avoid processing gnat.adc, if present file will be ignored"); |
| |
| -- Line for -gnatb switch |
| |
| Write_Switch_Char ("b"); |
| Write_Line ("Generate brief messages to stderr even if verbose mode set"); |
| |
| -- Line for -gnatB switch |
| |
| Write_Switch_Char ("B"); |
| Write_Line ("Assume no bad (invalid) values except in 'Valid attribute"); |
| |
| -- Line for -gnatc switch |
| |
| Write_Switch_Char ("c"); |
| Write_Line ("Check syntax and semantics only (no code generation)"); |
| |
| -- Line for -gnatC switch |
| |
| Write_Switch_Char ("C"); |
| Write_Line ("Generate CodePeer intermediate format (no code generation)"); |
| |
| -- Line for -gnatd switch |
| |
| Write_Switch_Char ("d?"); |
| Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb"); |
| |
| -- Line for -gnatD switch |
| |
| Write_Switch_Char ("D"); |
| Write_Line ("Debug expanded generated code (max line length = 72)"); |
| Write_Switch_Char ("Dnn"); |
| Write_Line ("Debug expanded generated code (max line length = nn)"); |
| |
| -- No line for -gnatea : internal switch |
| |
| -- Line for -gnateA switch |
| |
| Write_Switch_Char ("eA"); |
| Write_Line ("Aliasing checks on subprogram parameters"); |
| |
| -- Line for -gnatec switch |
| |
| Write_Switch_Char ("ec=?"); |
| Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc"); |
| |
| -- Line for -gnateC switch |
| |
| Write_Switch_Char ("eC"); |
| Write_Line ("Generate CodePeer messages (ignored without -gnatcC)"); |
| |
| -- Line for -gnated switch |
| |
| Write_Switch_Char ("ed"); |
| Write_Line ("Disable synchronization of atomic variables"); |
| |
| -- Line for -gnateD switch |
| |
| Write_Switch_Char ("eD?"); |
| Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val"); |
| |
| -- Line for -gnateE switch |
| |
| Write_Switch_Char ("eE"); |
| Write_Line ("Generate extra information in exception messages"); |
| |
| -- Line for -gnatef switch |
| |
| Write_Switch_Char ("ef"); |
| Write_Line ("Full source path in brief error messages"); |
| |
| -- Line for -gnateF switch |
| |
| Write_Switch_Char ("eF"); |
| Write_Line ("Check overflow on predefined Float types"); |
| |
| -- Line for -gnateG switch |
| |
| Write_Switch_Char ("eG"); |
| Write_Line ("Generate preprocessed source"); |
| |
| -- Line for -gnatei switch |
| |
| Write_Switch_Char ("einn"); |
| Write_Line ("Set maximum number of instantiations to nn"); |
| |
| -- Line for -gnateI switch |
| |
| Write_Switch_Char ("eInn"); |
| Write_Line ("Index in multi-unit source, e.g. -gnateI2"); |
| |
| -- Line for -gnatel switch |
| |
| Write_Switch_Char ("el"); |
| Write_Line ("Turn on info messages on generated Elaborate[_All] pragmas"); |
| |
| -- Line for -gnateL switch |
| |
| Write_Switch_Char ("eL"); |
| Write_Line ("Turn off info messages on generated Elaborate[_All] pragmas"); |
| |
| -- Line for -gnatem switch |
| |
| Write_Switch_Char ("em=?"); |
| Write_Line ("Specify mapping file, e.g. -gnatem=mapping"); |
| |
| -- No line for -gnateO=? : internal switch |
| |
| -- Line for -gnatep switch |
| |
| Write_Switch_Char ("ep=?"); |
| Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data"); |
| |
| -- Line for -gnateP switch |
| |
| Write_Switch_Char ("eP"); |
| Write_Line ("Pure/Prelaborate errors generate warnings rather than errors"); |
| |
| -- No line for -gnates=? : internal switch |
| |
| -- Line for -gnateS switch |
| |
| Write_Switch_Char ("eS"); |
| Write_Line ("Generate SCO (Source Coverage Obligation) information"); |
| |
| -- Line for -gnatet switch |
| |
| Write_Switch_Char ("et=?"); |
| Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf"); |
| |
| -- Line for -gnateT switch |
| |
| Write_Switch_Char ("eT=?"); |
| Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf"); |
| |
| -- Line for -gnateu switch |
| |
| Write_Switch_Char ("eu"); |
| Write_Line ("Ignore unrecognized style/validity/warning switches"); |
| |
| -- Line for -gnateV switch |
| |
| Write_Switch_Char ("eV"); |
| Write_Line ("Validity checks on subprogram parameters"); |
| |
| -- Line for -gnateY switch |
| |
| Write_Switch_Char ("eY"); |
| Write_Line ("Ignore all Style_Checks pragmas in source"); |
| |
| -- No line for -gnatez : internal switch |
| |
| -- Line for -gnatE switch |
| |
| Write_Switch_Char ("E"); |
| Write_Line ("Dynamic elaboration checking mode enabled"); |
| |
| -- Line for -gnatf switch |
| |
| Write_Switch_Char ("f"); |
| Write_Line ("Full errors. Verbose details, all undefined references"); |
| |
| -- Line for -gnatF switch |
| |
| Write_Switch_Char ("F"); |
| Write_Line ("Force all import/export external names to all uppercase"); |
| |
| -- Line for -gnatg switch |
| |
| Write_Switch_Char ("g"); |
| Write_Line ("GNAT implementation mode (used for compiling GNAT units)"); |
| |
| -- Lines for -gnatG switch |
| |
| Write_Switch_Char ("G"); |
| Write_Line ("Output generated expanded code (max line length = 72)"); |
| Write_Switch_Char ("Gnn"); |
| Write_Line ("Output generated expanded code (max line length = nn)"); |
| |
| -- Line for -gnath switch |
| |
| Write_Switch_Char ("h"); |
| Write_Line ("Output this usage (help) information"); |
| |
| -- Line for -gnatH switch |
| |
| Write_Switch_Char ("H"); |
| Write_Line ("Legacy elaboration checking mode enabled"); |
| |
| -- Line for -gnati switch |
| |
| Write_Switch_Char ("i?"); |
| Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)"); |
| |
| -- Line for -gnatI switch |
| |
| Write_Switch_Char ("I"); |
| Write_Line ("Ignore all representation clauses"); |
| |
| -- Line for -gnatj switch |
| |
| Write_Switch_Char ("jnn"); |
| Write_Line ("Format error and warning messages to fit nn character lines"); |
| |
| -- Line for -gnatJ switch |
| |
| Write_Switch_Char ("J"); |
| Write_Line ("Relaxed elaboration checking mode enabled"); |
| |
| -- Line for -gnatk switch |
| |
| Write_Switch_Char ("k"); |
| Write_Line ("Limit file names to nn characters (k = krunch)"); |
| |
| -- Lines for -gnatl switch |
| |
| Write_Switch_Char ("l"); |
| Write_Line ("Output full source listing with embedded error messages"); |
| Write_Switch_Char ("l=f"); |
| Write_Line ("Output full source listing to specified file"); |
| |
| -- Line for -gnatL switch |
| |
| Write_Switch_Char ("L"); |
| Write_Line ("List corresponding source text in -gnatG or -gnatD output"); |
| |
| -- Line for -gnatm switch |
| |
| Write_Switch_Char ("mnn"); |
| Write_Line ("Limit number of detected errors/warnings to nn (1-999999)"); |
| |
| -- Line for -gnatn switch |
| |
| Write_Switch_Char ("n[?]"); |
| Write_Line ("Enable pragma Inline across units (?=1/2 for moderate/full)"); |
| |
| -- Line for -gnato switch |
| |
| Write_Switch_Char ("o0"); |
| Write_Line ("Disable overflow checking"); |
| |
| Write_Switch_Char ("o"); |
| Write_Line ("Enable overflow checking in STRICT (-gnato1) mode (default)"); |
| |
| -- Lines for -gnato? switches |
| |
| Write_Switch_Char ("o?"); |
| Write_Line |
| ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode "); |
| Write_Switch_Char ("o??"); |
| Write_Line |
| ("Set mode for general/assertion expressions separately"); |
| |
| -- No line for -gnatO : internal switch |
| |
| -- Line for -gnatp switch |
| |
| Write_Switch_Char ("p"); |
| Write_Line ("Suppress all checks"); |
| |
| -- Line for -gnatq switch |
| |
| Write_Switch_Char ("q"); |
| Write_Line ("Don't quit, try semantics, even if parse errors"); |
| |
| -- Line for -gnatQ switch |
| |
| Write_Switch_Char ("Q"); |
| Write_Line ("Don't quit, write ali/tree file even if compile errors"); |
| |
| -- Line for -gnatr switch |
| |
| Write_Switch_Char ("r"); |
| Write_Line ("Treat pragma Restrictions as Restriction_Warnings"); |
| |
| -- Lines for -gnatR switch |
| |
| Write_Switch_Char ("R?"); |
| Write_Line |
| ("List rep info (?=0/1/2/3/4/e/m for none/types/all/sym/cg/ext/mech)"); |
| Write_Switch_Char ("R?j"); |
| Write_Line ("List rep info in the JSON data interchange format"); |
| Write_Switch_Char ("R?s"); |
| Write_Line ("List rep info to file.rep instead of standard output"); |
| |
| -- Line for -gnats switch |
| |
| Write_Switch_Char ("s"); |
| Write_Line ("Syntax check only"); |
| |
| -- Line for -gnatS switch |
| |
| Write_Switch_Char ("S"); |
| Write_Line ("Print listing of package Standard"); |
| |
| -- Line for -gnatTnn switch |
| |
| Write_Switch_Char ("Tnn"); |
| Write_Line ("All compiler tables start at nn times usual starting size"); |
| |
| -- Line for -gnatu switch |
| |
| Write_Switch_Char ("u"); |
| Write_Line ("List units for this compilation"); |
| |
| -- Line for -gnatU switch |
| |
| Write_Switch_Char ("U"); |
| Write_Line ("Enable unique tag for error messages"); |
| |
| -- Line for -gnatv switch |
| |
| Write_Switch_Char ("v"); |
| Write_Line ("Verbose mode. Full error output with source lines to stdout"); |
| |
| -- Lines for -gnatV switch |
| |
| Write_Switch_Char ("Vxx"); |
| Write_Line |
| ("Enable selected validity checking mode, xx = list of parameters:"); |
| Write_Line (" a turn on all validity checking options"); |
| Write_Line (" c turn on checking for copies"); |
| Write_Line (" C turn off checking for copies"); |
| Write_Line (" d turn on default (RM) checking"); |
| Write_Line (" D turn off default (RM) checking"); |
| Write_Line (" e turn on checking for elementary components"); |
| Write_Line (" E turn off checking for elementary components"); |
| Write_Line (" f turn on checking for floating-point"); |
| Write_Line (" F turn off checking for floating-point"); |
| Write_Line (" i turn on checking for in params"); |
| Write_Line (" I turn off checking for in params"); |
| Write_Line (" m turn on checking for in out params"); |
| Write_Line (" M turn off checking for in out params"); |
| Write_Line (" n turn off all validity checks (including RM)"); |
| Write_Line (" o turn on checking for operators/attributes"); |
| Write_Line (" O turn off checking for operators/attributes"); |
| Write_Line (" p turn on checking for parameters"); |
| Write_Line (" P turn off checking for parameters"); |
| Write_Line (" r turn on checking for returns"); |
| Write_Line (" R turn off checking for returns"); |
| Write_Line (" s turn on checking for subscripts"); |
| Write_Line (" S turn off checking for subscripts"); |
| Write_Line (" t turn on checking for tests"); |
| Write_Line (" T turn off checking for tests"); |
| |
| -- Lines for -gnatw switch |
| |
| Write_Switch_Char ("wxx"); |
| Write_Line ("Enable selected warning modes, xx = list of parameters:"); |
| Write_Line (" * indicates default setting"); |
| Write_Line (" + indicates warning flag included in -gnatwa"); |
| Write_Line (" a turn on all info/warnings marked below with +"); |
| Write_Line (" A turn off all optional info/warnings"); |
| Write_Line (" .a*+ turn on warnings for failing assertion"); |
| Write_Line (" .A turn off warnings for failing assertion"); |
| Write_Line (" _a*+ turn on warnings for anonymous allocators"); |
| Write_Line (" _A turn off warnings for anonymous allocators"); |
| Write_Line (" b+ turn on warnings for bad fixed value " & |
| "(not multiple of small)"); |
| Write_Line (" B* turn off warnings for bad fixed value " & |
| "(not multiple of small)"); |
| Write_Line (" .b*+ turn on warnings for biased representation"); |
| Write_Line (" .B turn off warnings for biased representation"); |
| Write_Line (" c+ turn on warnings for constant conditional"); |
| Write_Line (" C* turn off warnings for constant conditional"); |
| Write_Line (" .c+ turn on warnings for components without " & |
| "representation clauses"); |
| Write_Line (" .C* turn off warnings for components without " & |
| "representation clauses"); |
| Write_Line (" _c* turn on warnings for unknown " & |
| "Compile_Time_Warning"); |
| Write_Line (" _C turn off warnings for unknown " & |
| "Compile_Time_Warning"); |
| Write_Line (" d turn on warnings for implicit dereference"); |
| Write_Line (" D* turn off warnings for implicit dereference"); |
| Write_Line (" .d turn on tagging of warnings with -gnatw switch"); |
| Write_Line (" .D* turn off tagging of warnings with -gnatw switch"); |
| Write_Line (" e treat all warnings (but not info) as errors"); |
| Write_Line (" .e turn on every optional info/warning " & |
| "(no exceptions)"); |
| Write_Line (" E treat all run-time warnings as errors"); |
| Write_Line (" f+ turn on warnings for unreferenced formal"); |
| Write_Line (" F* turn off warnings for unreferenced formal"); |
| Write_Line (" .f turn on warnings for suspicious Subp'Access"); |
| Write_Line (" .F* turn off warnings for suspicious Subp'Access"); |
| Write_Line (" g*+ turn on warnings for unrecognized pragma"); |
| Write_Line (" G turn off warnings for unrecognized pragma"); |
| Write_Line (" .g turn on GNAT warnings"); |
| Write_Line (" h turn on warnings for hiding declarations"); |
| Write_Line (" H* turn off warnings for hiding declarations"); |
| Write_Line (" .h turn on warnings for holes in records"); |
| Write_Line (" .H* turn off warnings for holes in records"); |
| Write_Line (" i*+ turn on warnings for implementation unit"); |
| Write_Line (" I turn off warnings for implementation unit"); |
| Write_Line (" .i*+ turn on warnings for overlapping actuals"); |
| Write_Line (" .I turn off warnings for overlapping actuals"); |
| Write_Line (" j+ turn on warnings for obsolescent " & |
| "(annex J) feature"); |
| Write_Line (" J* turn off warnings for obsolescent " & |
| "(annex J) feature"); |
| Write_Line (" .j+ turn on warnings for late dispatching " & |
| "primitives"); |
| Write_Line (" .J* turn off warnings for late dispatching " & |
| "primitives"); |
| Write_Line (" k+ turn on warnings on constant variable"); |
| Write_Line (" K* turn off warnings on constant variable"); |
| Write_Line (" .k turn on warnings for standard redefinition"); |
| Write_Line (" .K* turn off warnings for standard redefinition"); |
| Write_Line (" l turn on warnings for elaboration problems"); |
| Write_Line (" L* turn off warnings for elaboration problems"); |
| Write_Line (" .l turn on info messages for inherited aspects"); |
| Write_Line (" .L* turn off info messages for inherited aspects"); |
| Write_Line (" m+ turn on warnings for variable assigned " & |
| "but not read"); |
| Write_Line (" M* turn off warnings for variable assigned " & |
| "but not read"); |
| Write_Line (" .m*+ turn on warnings for suspicious usage " & |
| "of modular type"); |
| Write_Line (" .M turn off warnings for suspicious usage " & |
| "of modular type"); |
| Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)"); |
| Write_Line (" .n turn on info messages for atomic " & |
| "synchronization"); |
| Write_Line (" .N* turn off info messages for atomic " & |
| "synchronization"); |
| Write_Line (" o* turn on warnings for address clause overlay"); |
| Write_Line (" O turn off warnings for address clause overlay"); |
| Write_Line (" .o turn on warnings for out parameters assigned " & |
| "but not read"); |
| Write_Line (" .O* turn off warnings for out parameters assigned " & |
| "but not read"); |
| Write_Line (" p+ turn on warnings for ineffective pragma " & |
| "Inline in frontend"); |
| Write_Line (" P* turn off warnings for ineffective pragma " & |
| "Inline in frontend"); |
| Write_Line (" .p+ turn on warnings for suspicious parameter " & |
| "order"); |
| Write_Line (" .P* turn off warnings for suspicious parameter " & |
| "order"); |
| Write_Line (" q*+ turn on warnings for questionable " & |
| "missing parenthesis"); |
| Write_Line (" Q turn off warnings for questionable " & |
| "missing parenthesis"); |
| Write_Line (" .q+ turn on warnings for questionable layout of " & |
| "record types"); |
| Write_Line (" .Q* turn off warnings for questionable layout of " & |
| "record types"); |
| Write_Line (" r+ turn on warnings for redundant construct"); |
| Write_Line (" R* turn off warnings for redundant construct"); |
| Write_Line (" .r+ turn on warnings for object renaming function"); |
| Write_Line (" .R* turn off warnings for object renaming function"); |
| Write_Line (" _r turn on warnings for components out of order"); |
| Write_Line (" _R turn off warnings for components out of order"); |
| Write_Line (" s suppress all info/warnings"); |
| Write_Line (" .s turn on warnings for overridden size clause"); |
| Write_Line (" .S* turn off warnings for overridden size clause"); |
| Write_Line (" t turn on warnings for tracking deleted code"); |
| Write_Line (" T* turn off warnings for tracking deleted code"); |
| Write_Line (" .t*+ turn on warnings for suspicious contract"); |
| Write_Line (" .T turn off warnings for suspicious contract"); |
| Write_Line (" u+ turn on warnings for unused entity"); |
| Write_Line (" U* turn off warnings for unused entity"); |
| Write_Line (" .u turn on warnings for unordered enumeration"); |
| Write_Line (" .U* turn off warnings for unordered enumeration"); |
| Write_Line (" v*+ turn on warnings for unassigned variable"); |
| Write_Line (" V turn off warnings for unassigned variable"); |
| Write_Line (" .v*+ turn on info messages for reverse bit order"); |
| Write_Line (" .V turn off info messages for reverse bit order"); |
| Write_Line (" w*+ turn on warnings for wrong low bound assumption"); |
| Write_Line (" W turn off warnings for wrong low bound " & |
| "assumption"); |
| Write_Line (" .w turn on warnings on pragma Warnings Off"); |
| Write_Line (" .W* turn off warnings on pragma Warnings Off"); |
| Write_Line (" x*+ turn on warnings for export/import"); |
| Write_Line (" X turn off warnings for export/import"); |
| Write_Line (" .x+ turn on warnings for non-local exception"); |
| Write_Line (" .X* turn off warnings for non-local exception"); |
| Write_Line (" y*+ turn on warnings for Ada compatibility issues"); |
| Write_Line (" Y turn off warnings for Ada compatibility issues"); |
| Write_Line (" .y turn on info messages for why pkg body needed"); |
| Write_Line (" .Y* turn off info messages for why pkg body needed"); |
| Write_Line (" z*+ turn on warnings for suspicious " & |
| "unchecked conversion"); |
| Write_Line (" Z turn off warnings for suspicious " & |
| "unchecked conversion"); |
| Write_Line (" .z*+ turn on warnings for record size not a " & |
| "multiple of alignment"); |
| Write_Line (" .Z turn off warnings for record size not a " & |
| "multiple of alignment"); |
| |
| -- Line for -gnatW switch |
| |
| Write_Switch_Char ("W?"); |
| Write_Str ("Wide character encoding method (?="); |
| |
| for J in WC_Encoding_Method loop |
| Write_Char (WC_Encoding_Letters (J)); |
| |
| if J = WC_Encoding_Method'Last then |
| Write_Char (')'); |
| else |
| Write_Char ('/'); |
| end if; |
| end loop; |
| |
| Write_Eol; |
| |
| -- Line for -gnatx switch |
| |
| Write_Switch_Char ("x"); |
| Write_Line ("Suppress output of cross-reference information"); |
| |
| -- Line for -gnatX switch |
| |
| Write_Switch_Char ("X"); |
| Write_Line ("Language extensions permitted"); |
| |
| -- Lines for -gnaty switch |
| |
| Write_Switch_Char ("y"); |
| Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)"); |
| Write_Switch_Char ("yxx"); |
| Write_Line ("Enable selected style checks xx = list of parameters:"); |
| Write_Line (" 1-9 check indentation"); |
| Write_Line (" a check attribute casing"); |
| Write_Line (" A check array attribute indexes"); |
| Write_Line (" b check no blanks at end of lines"); |
| Write_Line (" B check no use of AND/OR for boolean expressions"); |
| Write_Line (" c check comment format (two spaces)"); |
| Write_Line (" C check comment format (one space)"); |
| Write_Line (" d check no DOS line terminators"); |
| Write_Line (" e check end/exit labels present"); |
| Write_Line (" f check no form feeds/vertical tabs in source"); |
| Write_Line (" g check standard GNAT style rules, same as ydISux"); |
| Write_Line (" h check no horizontal tabs in source"); |
| Write_Line (" i check if-then layout"); |
| Write_Line (" I check mode in"); |
| Write_Line (" k check casing rules for keywords"); |
| Write_Line (" l check reference manual layout"); |
| Write_Line (" Lnn check max nest level < nn "); |
| Write_Line (" m check line length <= 79 characters"); |
| Write_Line (" Mnn check line length <= nn characters"); |
| Write_Line (" n check casing of package Standard identifiers"); |
| Write_Line (" N turn off all checks"); |
| Write_Line (" o check subprogram bodies in alphabetical order"); |
| Write_Line (" O check overriding indicators"); |
| Write_Line (" p check pragma casing"); |
| Write_Line (" r check casing for identifier references"); |
| Write_Line (" s check separate subprogram specs present"); |
| Write_Line (" S check separate lines after THEN or ELSE"); |
| Write_Line (" t check token separation rules"); |
| Write_Line (" u check no unnecessary blank lines"); |
| Write_Line (" x check extra parentheses around conditionals"); |
| Write_Line (" y turn on default style checks"); |
| Write_Line (" - subtract (turn off) subsequent checks"); |
| Write_Line (" + add (turn on) subsequent checks"); |
| |
| -- Lines for -gnatyN switch |
| |
| Write_Switch_Char ("yN"); |
| Write_Line ("Cancel all previously set style checks"); |
| |
| -- Lines for -gnatzc switch |
| |
| Write_Switch_Char ("zc"); |
| Write_Line ("Distribution stub generation for caller stubs"); |
| |
| -- Lines for -gnatzr switch |
| |
| Write_Switch_Char ("zr"); |
| Write_Line ("Distribution stub generation for receiver stubs"); |
| |
| if not Latest_Ada_Only then |
| |
| -- Line for -gnat83 switch |
| |
| Write_Switch_Char ("83"); |
| Write_Line ("Ada 83 mode"); |
| |
| -- Line for -gnat95 switch |
| |
| Write_Switch_Char ("95"); |
| Write_Line ("Ada 95 mode"); |
| |
| -- Line for -gnat2005 switch |
| |
| Write_Switch_Char ("2005"); |
| Write_Line ("Ada 2005 mode"); |
| end if; |
| |
| -- Line for -gnat2012 switch |
| |
| Write_Switch_Char ("2012"); |
| |
| if Ada_Version_Default = Ada_2012 then |
| Write_Line ("Ada 2012 mode (default)"); |
| else |
| Write_Line ("Ada 2012 mode"); |
| end if; |
| |
| -- Line for -gnat2022 switch |
| |
| Write_Switch_Char ("2022"); |
| |
| if Ada_Version_Default = Ada_2022 then |
| Write_Line ("Ada 2022 mode (default)"); |
| else |
| Write_Line ("Ada 2022 mode"); |
| end if; |
| |
| -- Line for -gnat-p switch |
| |
| Write_Switch_Char ("-p"); |
| Write_Line ("Cancel effect of previous -gnatp switch"); |
| |
| end Usage; |
