134 lines
2.8 KiB
Perl
134 lines
2.8 KiB
Perl
package nativeapi;
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use strict;
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sub new {
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my $proto = shift;
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my $class = ref($proto) || $proto;
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my $self = {};
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bless ($self, $class);
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my $options = \${$self->{OPTIONS}};
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my $output = \${$self->{OUTPUT}};
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my $functions = \%{$self->{FUNCTIONS}};
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my $conditionals = \%{$self->{CONDITIONALS}};
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my $conditional_headers = \%{$self->{CONDITIONAL_HEADERS}};
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my $conditional_functions = \%{$self->{CONDITIONAL_FUNCTIONS}};
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$$options = shift;
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$$output = shift;
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my $api_file = shift;
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my $configure_in_file = shift;
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my $config_h_in_file = shift;
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$api_file =~ s/^\.\///;
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$configure_in_file =~ s/^\.\///;
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$config_h_in_file =~ s/^\.\///;
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if($$options->progress) {
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$$output->progress("$api_file");
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}
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open(IN, "< $api_file");
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local $/ = "\n";
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while(<IN>) {
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s/^\s*?(.*?)\s*$/$1/; # remove whitespace at begin and end of line
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s/^(.*?)\s*#.*$/$1/; # remove comments
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/^$/ && next; # skip empty lines
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$$functions{$_}++;
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}
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close(IN);
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if($$options->progress) {
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$$output->progress("$configure_in_file");
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}
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my $again = 0;
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open(IN, "< $configure_in_file");
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local $/ = "\n";
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while($again || (defined($_ = <IN>))) {
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$again = 0;
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chomp;
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if(/(.*)\\$/) {
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my $line = <IN>;
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if(defined($line)) {
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$_ = $1 . " " . $line;
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$again = 1;
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next;
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}
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}
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# remove leading and trailing whitespace
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s/^\s*(.*?)\s*$/$1/;
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if(/^AC_CHECK_HEADERS\(\s*(.*?)\)\s*$/) {
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my @arguments = split(/,/,$1);
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foreach my $name (split(/\s+/, $arguments[0])) {
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$$conditional_headers{$name}++;
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}
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} elsif(/^AC_CHECK_FUNCS\(\s*(.*?)\)\s*$/) {
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my @arguments = split(/,/,$1);
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foreach my $name (split(/\s+/, $arguments[0])) {
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$$conditional_functions{$name}++;
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}
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} elsif(/^AC_FUNC_ALLOCA/) {
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$$conditional_headers{"alloca.h"}++;
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}
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}
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close(IN);
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if($$options->progress) {
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$$output->progress("$config_h_in_file");
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}
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open(IN, "< $config_h_in_file");
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local $/ = "\n";
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while(<IN>) {
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if(/^\#undef\s+(\S+)$/) {
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$$conditionals{$1}++;
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}
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}
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close(IN);
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return $self;
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}
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sub is_function {
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my $self = shift;
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my $functions = \%{$self->{FUNCTIONS}};
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my $name = shift;
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return $$functions{$name};
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}
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sub is_conditional {
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my $self = shift;
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my $conditionals = \%{$self->{CONDITIONALS}};
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my $name = shift;
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return $$conditionals{$name};
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}
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sub is_conditional_header {
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my $self = shift;
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my $conditional_headers = \%{$self->{CONDITIONAL_HEADERS}};
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my $name = shift;
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return $$conditional_headers{$name};
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}
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sub is_conditional_function {
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my $self = shift;
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my $conditional_functions = \%{$self->{CONDITIONAL_FUNCTIONS}};
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my $name = shift;
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return $$conditional_functions{$name};
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}
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1;
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