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Diffstat (limited to 'source4/pidl/expr.yp')
| -rw-r--r-- | source4/pidl/expr.yp | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/source4/pidl/expr.yp b/source4/pidl/expr.yp deleted file mode 100644 index a8074875ff..0000000000 --- a/source4/pidl/expr.yp +++ /dev/null @@ -1,150 +0,0 @@ -# expr.yp -# Copyright (C) 2006 Jelmer Vernooij <jelmer@samba.org> -# Published under the GNU GPL -# -%left '->' -%right '!' '~' -%left '*' '/' '%' -%left '+' '-' -%left '<<' '>>' -%left '>' '<' -%left '==' '!=' -%left '&' -%left '|' -%left '&&' -%left '||' -%left '?' ':' -%left NEG DEREF ADDROF INV -%left '.' - -%% -exp: NUM - | TEXT { "\"$_[1]\"" } - | func - | var - | '~' exp %prec INV { "~$_[2]" } - | exp '+' exp { "$_[1] + $_[3]" } - | exp '-' exp { "$_[1] - $_[3]" } - | exp '*' exp { "$_[1] * $_[3]" } - | exp '%' exp { "$_[1] % $_[3]" } - | exp '<' exp { "$_[1] < $_[3]" } - | exp '>' exp { "$_[1] > $_[3]" } - | exp '|' exp { "$_[1] | $_[3]" } - | exp '==' exp { "$_[1] == $_[3]" } - | exp '<=' exp { "$_[1] <= $_[3]" } - | exp '=>' exp { "$_[1] => $_[3]" } - | exp '<<' exp { "$_[1] << $_[3]" } - | exp '>>' exp { "$_[1] >> $_[3]" } - | exp '!=' exp { "$_[1] != $_[3]" } - | exp '||' exp { "$_[1] || $_[3]" } - | exp '&&' exp { "$_[1] && $_[3]" } - | exp '&' exp { "$_[1] & $_[3]" } - | exp '?' exp ':' exp { "$_[1]?$_[3]:$_[5]" } - | '~' exp { "~$_[1]" } - | '!' exp { "not $_[1]" } - | exp '/' exp { "$_[1] / $_[3]" } - | '-' exp %prec NEG { "-$_[2]" } - | '&' exp %prec ADDROF { "&$_[2]" } - | exp '^' exp { "$_[1]^$_[3]" } - | '(' exp ')' { "($_[2])" } -; - -possible_pointer: - VAR { $_[0]->_Lookup($_[1]) } - | '*' possible_pointer %prec DEREF { $_[0]->_Dereference($_[2]); "*$_[2]" } - ; - -var: possible_pointer { $_[0]->_Use($_[1]) } - | var '.' VAR { $_[0]->_Use("$_[1].$_[3]") } - | '(' var ')' { "($_[2])" } - | var '->' VAR { $_[0]->_Use("*$_[1]"); $_[1]."->".$_[3] } -; - - -func: VAR '(' opt_args ')' { "$_[1]($_[3])" }; -opt_args: { "" } | args; -exp_or_possible_pointer: exp | possible_pointer; -args: exp_or_possible_pointer - | exp_or_possible_pointer ',' args { "$_[1], $_[3]" } -; - -%% - -package Parse::Pidl::Expr; - -sub _Lexer { - my($parser)=shift; - - $parser->YYData->{INPUT}=~s/^[ \t]//; - - for ($parser->YYData->{INPUT}) { - if (s/^(0x[0-9A-Fa-f]+)//) { - $parser->YYData->{LAST_TOKEN} = $1; - return('NUM',$1); - } - if (s/^([0-9]+(?:\.[0-9]+)?)//) { - $parser->YYData->{LAST_TOKEN} = $1; - return('NUM',$1); - } - if (s/^([A-Za-z_][A-Za-z0-9_]*)//) { - $parser->YYData->{LAST_TOKEN} = $1; - return('VAR',$1); - } - if (s/^\"(.*?)\"//) { - $parser->YYData->{LAST_TOKEN} = $1; - return('TEXT',$1); - } - if (s/^(==|!=|<=|>=|->|\|\||<<|>>|&&)//s) { - $parser->YYData->{LAST_TOKEN} = $1; - return($1,$1); - } - if (s/^(.)//s) { - $parser->YYData->{LAST_TOKEN} = $1; - return($1,$1); - } - } -} - -sub _Use($$) -{ - my ($self, $x) = @_; - if (defined($self->YYData->{USE})) { - return $self->YYData->{USE}->($x); - } - return $x; -} - -sub _Lookup($$) -{ - my ($self, $x) = @_; - return $self->YYData->{LOOKUP}->($x); -} - -sub _Dereference($$) -{ - my ($self, $x) = @_; - if (defined($self->YYData->{DEREFERENCE})) { - $self->YYData->{DEREFERENCE}->($x); - } -} - -sub _Error($) -{ - my ($self) = @_; - if (defined($self->YYData->{LAST_TOKEN})) { - $self->YYData->{ERROR}->("Parse error in `".$self->YYData->{FULL_INPUT}."' near `". $self->YYData->{LAST_TOKEN} . "'"); - } else { - $self->YYData->{ERROR}->("Parse error in `".$self->YYData->{FULL_INPUT}."'"); - } -} - -sub Run { - my($self, $data, $error, $lookup, $deref, $use) = @_; - $self->YYData->{FULL_INPUT} = $data; - $self->YYData->{INPUT} = $data; - $self->YYData->{LOOKUP} = $lookup; - $self->YYData->{DEREFERENCE} = $deref; - $self->YYData->{ERROR} = $error; - $self->YYData->{USE} = $use; - return $self->YYParse( yylex => \&_Lexer, yyerror => \&_Error); -} |