X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=cparser.1;h=87dedd2d2e6d0a028cc867a577ddc226edd47601;hb=d02d3f8e7d902c83e65d1afab30bcb2cc7384c92;hp=142168811de769b0ae246736ee8c2255d20a9ab5;hpb=0ab7d8bb95d84dd2d483afffe91141427664bb6e;p=cparser

diff --git a/cparser.1 b/cparser.1
index 1421688..87dedd2 100644
--- a/cparser.1
+++ b/cparser.1
@@ -1,5 +1,5 @@
 .\" Please adjust this date whenever revising the manpage.
-.Dd November 29, 2008
+.Dd June 21, 2011
 .Dt CPARSER 1
 .Sh NAME
 .Nm cparser
@@ -14,13 +14,14 @@
 .Op Fl - Ns Oo Cm no- Oc Ns Cm ms
 .Op Fl g
 .Op Fl O Ns Ar level
-.Op Fl W Ns Oo Cm no- Oc Ns Ar warn
+.Op Fl W Ns Oo Cm no- Oc Ns Oo Cm error= Oc Ns Ar warning
 .Op Fl w
 .Op Fl I Ar dir
 .Op Fl L Ar dir
 .Op Fl D Ns Ar macro Ns Op Ar =defn
 .Op Fl U Ns Ar macro
 .Op Fl f Ar option
+.Op Fl finput-charset= Ns Ar encoding
 .Op Fl b Ar option
 .Op Fl l Ar library
 .Op Fl o Ar outfile
@@ -90,12 +91,17 @@ format.
 .\" TODO expand
 Select the optimization level.
 Sensible values are between 0 and 4, inclusive.
-.It Fl W Ns Oo Cm no- Oc Ns Ar warn
 .\" TODO expand
-Disable/enable a specific warning.
-Every warning option has a corresponding
-.Cm no-
-switch to deactivate it.
+.It Fl W Ns Ar warning
+Enable the specified warning.
+.It Fl Wno- Ns Ar warning
+Disable the specified warning.
+.It Fl Werror= Ns Ar warning
+Enable the specified warning and turn it into an error.
+.It Fl Wno-error= Ns Ar warning
+Force the specified warning to only be a warning, even in the presence of
+.Fl Werror .
+This neither enables nor disables the warning itself.
 .It Fl Waddress
 Warn about suspicious use of addresses, like using the address of a function or variable as boolean condition or comparing with the address of a string literal.
 .It Fl Waggregate-return
@@ -114,10 +120,11 @@ In particular these are
 .Fl Winit-self ,
 .Fl Wmain ,
 .Fl Wnonnull ,
+.Fl Wparentheses ,
 .Fl Wpointer-arith ,
 .Fl Wredundant-decls ,
 .Fl Wreturn-type ,
-.Fl Wshadow ,
+.Fl Wshadow-local ,
 .Fl Wsign-compare ,
 .Fl Wstrict-prototypes ,
 .Fl Wswitch-enum ,
@@ -131,22 +138,24 @@ In particular these are
 .It Fl Wcast-qual
 Warn whenever a pointer cast removes qualifiers from the pointed-to type, e.g. casting a const char* to char*.
 .It Fl Wchar-subscripts
-Warn about using an expression of type char as array subscript, e.g. char c; arr[c].
+Warn about using an expression of type char as array subscript, e.g. char\ c; arr[c].
 .It Fl Wdeclaration-after-statement
 Warn about mixing declarations and statements, which is not allowed prior to C99.
 .It Fl Wdiv-by-zero
 Warn about compile-time integer division by zero.
 .It Fl Wempty-statement
-Warn about empty statements, i.e. statements which only consist of a single ';'.
+Warn about empty statements, i.e. statements which only consist of a single
+.Sq \&; .
 Use {} as replacement to avoid this warning.
 .It Fl Werror
 Treat warnings as errors, i.e. do not continue after parsing when a warning is encountered.
-.It Fl Werror-implicit-function-declaration
-Generate an error, when calling a function without a prior declaration.
 .It Fl Wextra
+(Alias
+.Fl W Ns )
 Activate some more warnings.
 In particular these are
 .Fl Wempty-statement ,
+.Fl Wshadow ,
 .Fl Wunused-parameter ,
 .Fl Wunused-value .
 .It Fl Wfatal-errors
@@ -164,22 +173,48 @@ Warn about declarations whose declaration specifiers do not include a type speci
 .It Fl Winit-self
 Warn about uninitialized variables which are initialized with themselves.
 .It Fl Wlong-long
-Warn if the type 'long long' is used.
+Warn if the type
+.Sq long long
+is used.
 .It Fl Wmain
-Warn if the type of 'main' is suspicious, i.e. if it is not a non-static function declared as either int\ main(void), int\ main(int,\ char**) or, as an extension, int\ main(int,\ char**,\ char**).
+Warn if the type of
+.Sq main
+is suspicious, i.e. if it is not a non-static function declared as either int\ main(void), int\ main(int,\ char**) or, as an extension, int\ main(int,\ char**,\ char**).
 .It Fl Wmissing-declarations
 Warn if a non-static function or a global variable without a storage class is defined without a prior declaration.
 This is typically a sign of a missing #include or that the object should be static.
 .It Fl Wmissing-noreturn
-Warn about functions, which are candidates for the attribute 'noreturn'.
+Warn about functions, which are candidates for the attribute
+.Sq noreturn .
 .It Fl Wmissing-prototypes
 Warn if a global function is defined without a previous prototype declaration.
 .It Fl Wmultichar
-Warn if a multicharacter constant ('FOOF') is used.
+Warn if a multicharacter constant
+.Pf ( Sq FOOF )
+is used.
 .It Fl Wnested-externs
-Warn if an 'extern' declaration is encountered within a function.
+Warn if an
+.Sq extern
+declaration is encountered within a function.
+.It Fl Wparentheses
+Warn if parentheses are omitted in certain contexts.
+Warn if an assignment is used as condition, e.g. if\ (x\ =\ 23).
+Warn if && without parentheses is used within ||, e.g. if\ (x\ ||\ y\ &&\ z).
+Warn if it there may be confusion which
+.Sq if Ns
+-statement an
+.Sq else Ns
+-branch belongs to, e.g. if\ (x)\ if\ (y)\ {}\ else\ {}.
+Warn if cascaded comparisons appear which do not have their mathematical meaning, e.g. if\ (23\ <=\ x\ <\ 42).
+Warn if + or - is used as operand of << or >>, e.g. x\ +\ y\ <<\ z.
 .It Fl Wredundant-decls
 Warn about redundant declarations, i.e. multiple declarations of the same object or static forward declarations which have no use before their definition.
+.It Fl Wshadow
+Warn when a new declaration shadows another declaration with the same name in an outer scope.
+.It Fl Wshadow-local
+Like
+.Fl Wshadow ,
+but only warn if the shadowed declaration is not global, e.g. a local variable shadows a parameter or another local variable.
 .It Fl Wunreachable-code
 Warn when the compiler determines that a statement (or in some cases a part thereof) will never be executed.
 .It Fl Wunused
@@ -190,9 +225,9 @@ Activate
 .Fl Wunused-value ,
 .Fl Wunused-variable .
 .It Fl Wunused-parameter
-Warn when a parameter is never used or only ever read to calculate its own new value, e.g. x = x + 1.
+Warn when a parameter is never used or only ever read to calculate its own new value, e.g. x\ =\ x\ +\ 1.
 .It Fl Wunused-variable
-Warn when a variable is never used or only ever read to calculate its own new value, e.g. x = x + 1.
+Warn when a variable is never used or only ever read to calculate its own new value, e.g. x\ =\ x\ +\ 1.
 .It Fl w
 Suppress all warnings.
 .It Fl I Ar dir
@@ -220,6 +255,51 @@ Set a frontend or optimizer option.
 Use
 .Fl fhelp
 to get a list of supported optimizer options.
+.It Fl f Ns Oo Cm no- Oc Ns Cm diagnostics-show-option
+Show the switch, which controls a warning, after each warning.
+Default is on.
+.It Fl finput-charset= Ns Ar encoding
+Select the encoding of the input.
+Supported values are
+.Cm ISO_8859-1:1987
+(aliases
+.Cm CP819 ,
+.Cm IBM819 ,
+.Cm ISO-8859-1 ,
+.Cm ISO8859-1 ,
+.Cm ISO_8859-1 ,
+.Cm csISOLatin1 ,
+.Cm iso-ir-100 ,
+.Cm l1
+and
+.Cm latin1 Ns
+),
+.Cm ISO-8859-15
+(aliases
+.Cm ISO8859-15 ,
+.Cm ISO_8859-15
+and
+.Cm Latin-9 Ns
+),
+.Cm windows-1252
+(alias
+.Cm cp1252 Ns
+) and
+.Cm UTF-8
+(default).
+Case is ignored.
+.It Fl f Ns Oo Cm no- Oc Ns Cm show-column
+Show the column number in diagnostic messages.
+.It Fl fsigned-char
+Define
+.Sq char
+to have the same range, representation and behaviour as
+.Sq signed char .
+.It Fl funsigned-char
+Define
+.Sq char
+to have the same range, representation and behaviour as
+.Sq unsigned char .
 .It Fl b Ar option
 Set a backend option.
 Use