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8c61a13356
The error is made at compile-time, and also causes an error if trying to make a stub like this. Finally, it also refuses to load such an interface. These restrictions only apply to script-implementable interfaces.
85 lines
2.7 KiB
Perl
85 lines
2.7 KiB
Perl
#!/usr/local/bin/perl
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# This is used to generate stub entry points. We generate a file to
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# be included in the declaraion and a file to be used for expanding macros
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# to represent the implementation of the stubs.
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#
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# if "$entry_count" is ever changed and the .inc files regenerated then
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# the following issues need to be addressed:
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#
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# 1) The current Linux ARM code has a limitation of only having 256-3 stubs,
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# as a result of the limitations of immediate values in ARM assembly.
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#
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# This number is verified by the IDL parser in xpcom/idl-parser/xpidl.py, as
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# well as in xpcom/reflect/xptinfo/src/xptiInterfaceInfoManager.cpp, to
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# prevent generating interfaces or loading xpt files that would cause the
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# stubs to run off the entries.
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# If you change this number, please update that location.
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# 3 entries are already 'used' by the 3 methods of nsISupports.
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# 3+247+5=255 This should get us in under the Linux ARM limitation
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$entry_count = 247;
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$sentinel_count = 5;
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$decl_name = "xptcstubsdecl.inc";
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$def_name = "xptcstubsdef.inc";
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##
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## Write the declarations include file
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##
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die "Can't open $decl_name" if !open(OUTFILE, ">$decl_name");
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print OUTFILE "/* generated file - DO NOT EDIT */\n\n";
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print OUTFILE "/* includes ",$entry_count," stub entries, and ",
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$sentinel_count," sentinel entries */\n\n";
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print OUTFILE "/*\n";
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print OUTFILE "* declarations of normal stubs...\n";
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print OUTFILE "* 0 is QueryInterface\n";
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print OUTFILE "* 1 is AddRef\n";
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print OUTFILE "* 2 is Release\n";
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print OUTFILE "*/\n";
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print OUTFILE "#if !defined(__ia64) || (!defined(__hpux) && !defined(__linux__))\n";
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for($i = 0; $i < $entry_count; $i++) {
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print OUTFILE "NS_IMETHOD Stub",$i+3,"();\n";
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}
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print OUTFILE "#else\n";
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for($i = 0; $i < $entry_count; $i++) {
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print OUTFILE "NS_IMETHOD Stub",$i+3,"(PRUint64,PRUint64,\n";
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print OUTFILE " PRUint64,PRUint64,PRUint64,PRUint64,PRUint64,PRUint64);\n";
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}
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print OUTFILE "#endif\n";
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print OUTFILE "\n/* declarations of sentinel stubs */\n";
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for($i = 0; $i < $sentinel_count; $i++) {
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print OUTFILE "NS_IMETHOD Sentinel",$i,"();\n";
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}
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close(OUTFILE);
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##
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## Write the definitions include file. This assumes a macro will be used to
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## expand the entries written...
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##
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die "Can't open $def_name" if !open(OUTFILE, ">$def_name");
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## Disabled for bug 275004 - followup to fix is Bug 419604
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my $warn_inc_is_generated = 0;
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if ($warn_inc_is_generated) {
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print OUTFILE "/* generated file - DO NOT EDIT */\n\n";
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print OUTFILE "/* includes ",$entry_count," stub entries, and ",
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$sentinel_count," sentinel entries */\n\n";
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}
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for($i = 0; $i < $entry_count; $i++) {
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print OUTFILE "STUB_ENTRY(",$i+3,")\n";
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}
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for($i = 0; $i < $sentinel_count; $i++) {
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print OUTFILE "SENTINEL_ENTRY(",$i,")\n";
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}
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