1 files changed, 97 insertions, 0 deletions
diff --git a/libraries/goffice/import-ryu b/libraries/goffice/import-ryu
new file mode 100644
index 0000000000000..e99f022e0be56
--- /dev/null
+++ b/libraries/goffice/import-ryu
@@ -0,0 +1,97 @@
+#!/usr/bin/perl -w
+# -----------------------------------------------------------------------------
+
+my $ryu = $ARGV[0];
+
+my @files = (# "ryu.h",
+	     "common.h",
+	     "digit_table.h",
+	     "d2s_intrinsics.h",
+	     "d2s_small_table.h",
+	     'd2s.c',
+	     'WITH_LONG_DOUBLE',
+	     'ryu_generic_128.h',
+	     'generic_128.h',
+	     'generic_128.c');
+
+print "#define RYU_OPTIMIZE_SIZE 1\n\n";
+print "#define bool int\n\n";
+print "#include \"go-ryu.h\"\n";
+print "#include <inttypes.h>\n";
+print "\n";
+
+my $with_long_double = 0;
+
+foreach my $f (@files) {
+    if ($f eq 'WITH_LONG_DOUBLE') {
+	$with_long_double = 1;
+	next;
+    }
+
+    my $fn = "$ryu/ryu/$f";
+
+    my $in_conditional = 0;
+
+    print STDERR "Importing $f...\n";
+    open my $fh, "<", $fn or die "$0: cannot read $fn:$!\n";
+
+    print "#ifdef GOFFICE_WITH_LONG_DOUBLE\n" if $with_long_double;
+
+    print "// File $f imported from ryu\n";
+    while (<$fh>) {
+	next if /^\s*#\s*include\s*"ryu.*"/;
+
+	s/\b((float|double|long_double)_to_fd128|generic_binary_to_decimal|generic_to_chars|(d|f)2(s|exp|fixed)(|_buffered_n|_buffered))\b/go_ryu_$1/g;
+	
+	if (/\b(go_ryu_d2s_buffered|go_ryu_d2s|go_ryu_f2s_buffered_n|go_ryu_f2s_buffered|go_ryu_f2s|go_ryu_d2fixed_buffered_n|go_ryu_d2fixed_buffered|go_ryu_d2fixed|go_ryu_d2exp_buffered_n|go_ryu_d2exp_buffered|go_ryu_d2exp)\s*\([a-z]+\s.*\)(;|\s*\{)$/) {
+	    print "#if 0\n";
+	    $_ = "static $_";
+	    $in_conditional = 1;
+	}
+
+	if (/\b(go_ryu_long_double_to_fd128|go_ryu_generic_to_chars)\s*\([a-z]+\s.*\)(;|\s*\{)$/) {
+	    $_ = "static $_";
+	}
+
+	if (/struct floating_decimal_128 go_ryu_generic_binary_to_decimal\(/) {
+	    $_ = "static $_";
+	}
+
+
+	if ($f =~ /128/) {
+	    s/\b(pow5bits|pow5Factor|multipleOfPowerOf[25]|log10Pow[25]|copy_special_str|POW5_TABLE_SIZE)\b/$1l/g;
+
+	    if (/go_ryu_float_to_fd128\(float/) {
+		print "#if 0\n";
+		$_ = "static $_";
+		$in_conditional = 1;
+	    }
+
+	    if (/go_ryu_double_to_fd128\(double/) {
+		print "#if 0\n";
+		$_ = "static $_";
+		$in_conditional = 1;
+	    }
+	}	
+
+	if ($in_conditional && (/^[a-z].*\);$/ || /^}/)) {
+	    $_ = "$_#endif\n";
+	    $in_conditional = 0;
+	}
+
+	print;
+    }
+    print "// End of file $f imported from ryu\n";
+    print "#endif // GOFFICE_WITH_LONG_DOUBLE\n" if $with_long_double;
+    print "\n";
+
+    die "Trouble" if $in_conditional;
+}
+
+print "\n";
+print "#ifdef GOFFICE_WITH_LONG_DOUBLE\n";
+print "int go_ryu_ld2s_buffered_n (long double d, char *dst) {\n";
+print "  struct floating_decimal_128 fd128 = go_ryu_long_double_to_fd128(d);\n";
+print "  return go_ryu_generic_to_chars(fd128, dst);\n";
+print "}\n";
+print "#endif\n";