X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=cparser.1;h=87dedd2d2e6d0a028cc867a577ddc226edd47601;hb=ccbe0e69128fca7df6be76437483f305c5eba55e;hp=3470227d7e13ca49ca177cd3969b765c04f05c15;hpb=66285deadc46366723208fad0adcf28c5dc4f36d;p=cparser

diff --git a/cparser.1 b/cparser.1
index 3470227..87dedd2 100644
--- a/cparser.1
+++ b/cparser.1
@@ -1,5 +1,5 @@
 .\" Please adjust this date whenever revising the manpage.
-.Dd December 21, 2008
+.Dd June 21, 2011
 .Dt CPARSER 1
 .Sh NAME
 .Nm cparser
@@ -14,7 +14,7 @@
 .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
@@ -91,12 +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
@@ -119,7 +124,7 @@ In particular these are
 .Fl Wpointer-arith ,
 .Fl Wredundant-decls ,
 .Fl Wreturn-type ,
-.Fl Wshadow ,
+.Fl Wshadow-local ,
 .Fl Wsign-compare ,
 .Fl Wstrict-prototypes ,
 .Fl Wswitch-enum ,
@@ -144,14 +149,13 @@ Warn about empty statements, i.e. statements which only consist of a single
 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
@@ -207,6 +211,10 @@ Warn if + or - is used as operand of << or >>, e.g. x\ +\ y\ <<\ z.
 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
@@ -247,6 +255,9 @@ 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