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381 lines
12 KiB
381 lines
12 KiB
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#Copyright (c) 1992-2000 Microsoft Corporation
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#
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#Module Name:
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#
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# gnbugcds.pl
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#
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#Abstract:
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#
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# WinDbg Extension Api
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#
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#Environment:
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#
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# User Mode.
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#
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#Revision History:
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#
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# Kshitix K. Sharma (kksharma)
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#
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#
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# Parse bugcodes.txt file to generate C-relevant info for bugcheck codes
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#
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# Expected format of a bugcheck description:
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#
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# BUGCHECK
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# <bugcheck name> (<numericvalue>)
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# optional - <multiline description string about bugcheck>
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# optional - PARAMETERS <parameters description as follows>
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# Param [1|2|3|4] - <string>
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# OR
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# Param [1|2|3|4]
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# VALUES:
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# [<value> : <Rest of parameter description>]*
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# END_VALUES <required only in case of nesting>
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#DESCRIPTION
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#<additional description string>
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#
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sub emit_file_header;
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sub emit_bugcheck_info;
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sub emit_param_info;
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sub next_line;
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sub is_new_bugcheck;
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sub is_bugcheck_description;
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#
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# main
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#
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$NumLine = 0;
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@BugCheckList = {};
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@FullParamDesc = {"", "", "", ""};
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$ParamValueRec = {
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VALUE => 0,
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PARAMID => -1,
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PARAM1DESC => "",
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PARAM2DESC => "",
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PARAM3DESC => "",
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PARAM4DESC => "",
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};
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@ParamValueRecList = {};
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while ($arg = shift) {
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if ($arg eq "-o") {
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$OutFileName = shift;
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} elsif ($arg eq "-i") {
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$BugCheckTxtFile = shift;
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} else {
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$BugCheckTxtFile = $arg;
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}
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}
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die "Cannot open file $BugCheckTxtFile\n" if !open(BUGC_FILE, $BugCheckTxtFile);
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emit_file_header();
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while (is_new_bugcheck() || next_line ) {
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$line = $_ if !is_new_bugcheck();
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if (is_new_bugcheck()) {
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emit_bugcheck_info;
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}
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} continue {
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close BUGC_FILE if eof;
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}
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# emit a list of APIS for quick reference
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print OUT_FILE "BUGDESC_APIREFS g_BugDescApiRefs[] = {\n";
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for $i(1..$#BugCheckList) {
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printf (OUT_FILE " { %30s, &BugCheck%s},\n", $BugCheckList[ $i ], $BugCheckList[ $i ]);
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}
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print OUT_FILE "};\n";
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print OUT_FILE "ULONG g_NumBugDescApiRefs = sizeof(g_BugDescApiRefs) / sizeof(BUGDESC_APIREFS);\n";
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#
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# Subroutines
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#
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sub is_new_bugcheck {
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if ($line =~ /^BUGCHECK$/) {
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next_line;
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}
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if ($line =~ /^([A-Z][A-Z_0-9]+)\s*\((.*)\)$/) {
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return 1;
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}
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return 0;
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}
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sub is_bugcheck_description {
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if ($line =~ /^DESCRIPTION\s*$/) {
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return 1;
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}
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return 0;
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}
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sub emit_file_header {
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die "Cannot open file $OutFileName\n" if !open(OUT_FILE, ">" . $OutFileName);
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print OUT_FILE "//-------------------------------------".
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"--------------------------------------\n";
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print OUT_FILE "//\n";
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print OUT_FILE "// IMPORTANT: This file is automatically generated.\n";
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print OUT_FILE "// Do not edit by hand.\n";
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print OUT_FILE "//\n";
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print OUT_FILE "// Generated from $BugCheckTxtFile " . localtime() . "\n";
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print OUT_FILE "//\n";
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print OUT_FILE "//-------------------------------------".
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"--------------------------------------\n\n";
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print OUT_FILE "#include \"precomp.h\"\n";
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print OUT_FILE "\n\n";
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}
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sub emit_bugcheck_header {
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print OUT_FILE "//\n";
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print OUT_FILE "// DescriptionRoutine for $_[0] ($_[1])\n";
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print OUT_FILE "//\n";
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print OUT_FILE "void\nBugCheck$_[0] ( \n";
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print OUT_FILE " PBUGCHECK_ANALYSIS pBugCheck\n";
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print OUT_FILE " )\n";
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print OUT_FILE "{\n";
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print OUT_FILE " ULONG Value = $_[0];\n";
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print OUT_FILE " PCHAR BugName = \"$_[0]\";\n";
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print OUT_FILE " PCHAR Description = NULL, ParamDesc[4] = {0};\n\n";
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}
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sub init_param_array {
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for $i (0..3) {
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if ($FullParamDesc[ $i ] =~ /.+/) { # Non NULL values only
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print OUT_FILE "$_[0]$FullParamDesc[ $i ];\n";
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}
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}
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}
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sub begin_first_value {
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# $_[0] -> Argument index
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# $_[1] -> Argument value
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print OUT_FILE "$_[2]if (pBugCheck->Args[ $_[0] ] == $_[1]) {\n";
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}
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sub begin_intermediate_value {
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# $_[0] -> Argument index
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# $_[1] -> Argument value
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# $_[2] -> Indent
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init_param_array($_[2]);
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print OUT_FILE "$_[2]} else if (pBugCheck->Args[ $_[0] ] == $_[1]) {\n";
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}
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sub begin_intermediate_value_parent {
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# $_[0] -> Argument index
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# $_[1] -> Argument value
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# $_[2] -> Indent
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print OUT_FILE "$_[2]} else if (pBugCheck->Args[ $_[0] ] == $_[1]) {\n";
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}
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sub end_value {
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# $_[0] -> Indent
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init_param_array($_[0]);
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print OUT_FILE "$_[0]}\n";
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}
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sub emit_bugcheck_end {
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print OUT_FILE " pBugCheck->Code = Value;\n";
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print OUT_FILE " pBugCheck->szName = BugName;\n";
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print OUT_FILE " pBugCheck->szDescription = Description;\n";
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print OUT_FILE " pBugCheck->szParamsDesc[0] = ParamDesc[0];\n";
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print OUT_FILE " pBugCheck->szParamsDesc[1] = ParamDesc[1];\n";
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print OUT_FILE " pBugCheck->szParamsDesc[2] = ParamDesc[2];\n";
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print OUT_FILE " pBugCheck->szParamsDesc[3] = ParamDesc[3];\n";
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print OUT_FILE "\n}\n\n";
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}
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#
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# Match the folowing here
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# <BugName> (<num>)
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# <description>
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# <parameters> - done by emit_param_info
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# <more description>
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#
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sub emit_bugcheck_info {
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die "No name Info on line $NumLine\n" if !($BugNameLine = $line) ;
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if (($Name,$Value) = $BugNameLine =~ /^([A-Z][A-Z_0-9]+)\s*\((.*)\)$/) {
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emit_bugcheck_header ( $Name, $Value );
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push (@BugCheckList, $Name);
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$FullDesc = " Description = ";
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$DescPrinted = 0;
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while (next_line && (!is_new_bugcheck()) && ($line !~ /^\s*PARAMETERS\s*.*$/)) {
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if ($line !~ /^\s*$/) {
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($Desc) = $line =~ /^(.*)\s*$/;
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if ($DescPrinted) {
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$FullDesc = $FullDesc . "\n\t";
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}
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($Desc) =~ s/([\\"])/\\$1/g ;
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$FullDesc = $FullDesc . "\"$Desc\\n\"";
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$DescPrinted++;
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}
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}
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$MoreDesc = 0;
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if ($line =~ /^\s*PARAMETERS\s*.*$/) {
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($line) = $line =~ /^\s*PARAMETERS\s*(.*)$/;
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if (!$line) {
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next_line;
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}
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$MoreDesc = emit_param_info;
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}
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if ($MoreDesc) {
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# BugCheck description string following parameter description
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while (next_line && (!is_new_bugcheck())) {
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if ($line !~ /^\s*$/) {
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($Desc) = $line =~ /^(.*)\s*$/;
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if ($DescPrinted) {
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$FullDesc = $FullDesc . "\n\t";
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}
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($Desc) =~ s/([\\"])/\\$1/g ;
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$FullDesc = $FullDesc . "\"$Desc\\n\"";
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$DescPrinted++;
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}
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}
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}
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if (!$DescPrinted) { $FullDesc = $FullDesc . "\"\"";}
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print OUT_FILE $FullDesc . ";\n";
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emit_bugcheck_end ;
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} else {
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print "Bad name Info on line $NumLine - $BugNameLine\n"
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}
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}
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sub emit_param_info {
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@FullParamDesc = {"", "", "", ""};
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$ParamValueDefined = -1;
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$IsFirstValue = 1;
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@ParamValueRecList = {};
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$Level = 0;
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$MovedLevelUp = 0;
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$FullParamDesc[ 0 ] = "";
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$FullParamDesc[ 1 ] = "";
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$FullParamDesc[ 2 ] = "";
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$FullParamDesc[ 3 ] = "";
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while (!is_new_bugcheck() && !is_bugcheck_description() && $line) {
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if ($line !~ /^\s*$/) {
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($ParamPrefix, $ParamId, $ParamDesc) = $line =~ /^\s*(\w*)\s*([1234])\s*-\s*(.*)$/;
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if ($ParamId && ($ParamPrefix == "" || $ParamPrefix == "Param" || $ParamPrefix == "Arg" ||
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$ParamPrefix == "Parameter" || $ParamPrefix == "Argument")) {
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($ParamDesc) =~ s/([\\"])/\\$1/g ;
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$ParamId--; # 0 based index
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$FullParamDesc[ $ParamId ] = " ParamDesc[ $ParamId ] = \"$ParamDesc\"";
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$LastParamId = $ParamId;
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} elsif ($line =~ /^\s*VALUES\s*:?\s*$/) {
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# emit the parameter description we have so far since the folowing
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# ones would be relevant to specific values only.
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# code path will automatically remember these if they are not defined later
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init_param_array(" " x ($Level * 4));
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$ParamValueDefined = $LastParamId;
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$IsFirstValue = 1;
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$ParamValueRec = {
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VALUE => 0,
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PARAMID => $LastParamId,
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PARAM1DESC => $FullParamDesc[ 0 ],
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PARAM2DESC => $FullParamDesc[ 1 ],
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PARAM3DESC => $FullParamDesc[ 2 ],
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PARAM4DESC => $FullParamDesc[ 3 ],
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};
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push (@ParamValueRecList, ($ParamValueRec));
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$Level = $#ParamValueRecList;
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} elsif ($line =~ /^\s*END_VALUES\s*$/) {
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#
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# END_VALUES
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#
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$Level = $#ParamValueRecList;
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end_value(" " x ($Level * 4));
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$IsFirstValue = 0;
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$MovedLevelUp = 1;
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# restore what we had when we saw VALUES clause
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$LastParamId = $ParamValueRecList[$Level-1]{PARAMID};
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$FullParamDesc[ 0 ] = $ParamValueRecList[$Level-1]{PARAM1DESC};
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$FullParamDesc[ 1 ] = $ParamValueRecList[$Level-1]{PARAM2DESC};
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$FullParamDesc[ 2 ] = $ParamValueRecList[$Level-1]{PARAM3DESC};
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$FullParamDesc[ 3 ] = $ParamValueRecList[$Level-1]{PARAM4DESC};
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if ($Level) {
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pop( @ParamValueRecList );
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} else {
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die "No preivious VALUE clause for END_VALUES on line $NumLine\n";
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}
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$ParamValueDefined = $LastParamId;
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$Level = $#ParamValueRecList;
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if ($Level == 0) {
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$ParamValueDefined = -1;
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}
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} elsif (($ParamValueDefined != -1) &&
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(($Value) = $line =~ /^\s*(0?x?[0-9A-Fa-f]*)\s*:.*$/)) {
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#matched "<Value> : <text>"
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if ($Value !~ /0x.*/) {
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# prepend 0x
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$Value = "0x" . $Value;
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}
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if ($IsFirstValue) {
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$IsFirstValue = 0;
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begin_first_value($ParamValueDefined, $Value, " " x ($Level * 4));
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} elsif ($MovedLevelUp) {
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$MovedLevelUp = 0;
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begin_intermediate_value_parent($ParamValueDefined, $Value, " " x ($Level * 4));
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} else {
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begin_intermediate_value($ParamValueDefined, $Value, " " x ($Level * 4));
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}
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$ParamDesc = $FullParamDesc[ $ParamValueDefined ];
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#
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# Erase the leftover parameter descriptions from previous value
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#
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$FullParamDesc[ 0 ] = "";
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$FullParamDesc[ 1 ] = "";
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$FullParamDesc[ 2 ] = "";
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$FullParamDesc[ 3 ] = "";
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if (($Desc) = $line =~ /^\s*0?x?[0-9A-Fa-f]*\s*:\s*(.*)$/) {
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($Desc) =~ s/([\\"])/\\$1/g ;
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$FullParamDesc[ $ParamValueDefined ] = " ParamDesc[ $ParamValueDefined ] = \"$Desc\"";
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} else {
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$FullParamDesc[ $ParamValueDefined ] = $ParamDesc;
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}
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$LastParamId = $ParamValueDefined;
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} else {
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($line) = $line =~ /^\s*(.*)$/;
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($line) =~ s/([\\"])/\\$1/g ; #"/# escape chars
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$temp = "\\n\"";
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$FullParamDesc[ $LastParamId ] = $FullParamDesc[ $LastParamId ] . "\n \"\\n\\t$line\"";
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}
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}
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$line = next_line;
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}
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if ($ParamValueDefined != -1) {
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end_value(" " x (4));
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} else {
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init_param_array("");
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}
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$MoreDesc = is_bugcheck_description();
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return $MoreDesc;
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}
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sub next_line {
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$line = <BUGC_FILE>;
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$NumLine++;
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while ($line =~ /\s*\%.*$/) {
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# Skip commented lines - ones which beging with %
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$line = <BUGC_FILE>;
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$NumLine++;
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}
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return $line;
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}
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