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scpp.pl
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#!/usr/bin/perl -w
##############################################################################
#
# scpp -- SystemC preprocessor
# Copyright(C) by DDS
#
##############################################################################
use strict 'vars';
use strict 'refs';
my $enum = 1;
my $ATTR_REF = $enum; # wire が参照された
my $ATTR_FIX = ( $enum <<= 1 ); # wire に出力された
my $ATTR_BYDIR = ( $enum <<= 1 ); # inout で接続された
my $ATTR_IN = ( $enum <<= 1 ); # 強制 I
my $ATTR_OUT = ( $enum <<= 1 ); # 強制 O
my $ATTR_INOUT = ( $enum <<= 1 ); # 強制 IO
my $ATTR_WIRE = ( $enum <<= 1 ); # 強制 W
my $ATTR_DEF = ( $enum <<= 1 ); # ポート・信号定義済み
my $ATTR_WEAK_DIM = ( $enum <<= 1 ); # array size は弱めの申告
my $ATTR_USED = ( $enum <<= 1 ); # この template が使用された
my $ATTR_IGNORE = ( $enum <<= 1 ); # `ifdef 切り等で本来無いポートを無視する等
my $ATTR_NC = ( $enum <<= 1 ); # 入力 0 固定，出力 open
$enum = 0;
my $BLKMODE_NORMAL = $enum; # ブロック外
my $BLKMODE_IF = $enum++; # if ブロック
my $BLKMODE_ELSE = $enum++; # else ブロック
$enum = 1;
my $EX_CPP = $enum; # マクロ展開
my $EX_STR = $enum <<= 1; # 文字列リテラル
my $EX_RMSTR = $enum <<= 1; # 文字列リテラル削除
my $EX_COMMENT = $enum <<= 1; # コメント
my $EX_RMCOMMENT = $enum <<= 1; # コメント削除
my $EX_SP = $enum <<= 1; # スペース正規化
my $EX_IF_EVAL = $enum <<= 1; # ifdef 用，defined 展開，存在しないシンボルは 0 に変換
my $CSymbol = qr/\b[_a-zA-Z]\w*\b/;
my $DefSkelPort = '(.*)';
my $DefSkelWire = '$1';
my $OpenClose;
$OpenClose = qr/\([^()]*(?:(??{$OpenClose})[^()]*)*\)/;
my $OpenCloseArg = qr/[^(),]*(?:(??{$OpenClose})[^(),]*)*/;
my $OpenCloseBlock;
$OpenCloseBlock = qr/\{[^{}]*(?:(??{$OpenCloseBlock})[^{}]*)*\}/;
my $OpenCloseType;
$OpenCloseType = qr/\<[^<>]*(?:(??{$OpenCloseType})[^<>]*)*\>/;
my $OpenCloseAry;
$OpenCloseAry = qr/\[[^\[\]]*(?:(??{$OpenCloseAry})[^\[]]*)*\]/;
use constant {
SEEK_SET => 0
};
my $ErrorCnt = 0;
# option
my $CppOnly = 0;
my $Debug = 0;
my $CleanDirective = 0;
my @IncludeList;
my @IncludePath;
# 定義テーブル関係
my $CppInfo;
my $FileInfo;
my $ModuleInfo;
my @TmpFileList;
main();
exit( $ErrorCnt != 0 );
### main procedure ###########################################################
sub main{
local( $_ );
if( $#ARGV < 0 ){
print( "usage: scpp.pl [-vE] [-I<path>] [-D<def>[=<val>]] [-o <dst_file>] [--clean] <src_file>\n" );
return;
}
my $DstFile;
while( 1 ){
$_ = $ARGV[ 0 ];
if ( m#^-I(.+)\/?$# ){ push( @IncludePath, $1 );
}elsif( $_ eq '-I' ){
shift( @ARGV );
$ARGV[ 0 ] =~ m#^-I(.+)\/?$#;
push( @IncludePath, $1 );
}elsif( /^-D(.+?)=(.+)/ ){ AddCppMacro( $1, $2 );
}elsif( /^-D(.+)/ ){ AddCppMacro( $1 );
}elsif( $_ eq '-o' ){
shift( @ARGV );
$DstFile = $ARGV[ 0 ];
}elsif( /^--clean$/ ){
$CleanDirective = 1;
}elsif( /^-/ ){
while( s/v// ){ ++$Debug; }
$CppOnly = 1 if( /E/ );
}else { last;
}
shift( @ARGV );
}
# set up default file name
my $SrcFile = $ARGV[ 0 ];
$DstFile = $SrcFile if( !defined( $DstFile ));
$SrcFile =~ /(.*?)(\.def)?(\.[^\.]+)$/;
my $ListFile = "$1.list";
my $DstFileTmp = ( $DstFile eq $SrcFile ) ?
"$SrcFile.$$.scpp.tmp" : $DstFile;
# ディレクティブ内部を消去
if( $CleanDirective ){
return CleanDirective( $SrcFile, $DstFile );
}
# -o 時は一旦コピーする
system( "cp '$SrcFile' '$DstFile'" ) if( $DstFile ne $SrcFile );
return if( !CPreprocessor( $SrcFile ));
if( $CppOnly ){
my $fp = $FileInfo->{ In };
while( <$fp> ){
print( $Debug ? $_ : ExpandMacro( $_, $EX_STR | $EX_COMMENT ));
}
}else{
close( $FileInfo->{ In });
undef( $FileInfo->{ In });
undef( $FileInfo->{ InFile });
# vpp
unlink( $ListFile );
ScppParser();
ScppOutput( $SrcFile, $DstFileTmp ) if( !$ErrorCnt );
OutputWireList( $ListFile ) if( !$ErrorCnt );
if( $DstFile eq $SrcFile ){
# -o 未指定時
# 生成後が SrcFile と同じなら，生成後を削除
# 生成後が SrcFile と差分があれば，生成後を SrcFile に上書き
system( << "-----" ) if( !$ErrorCnt );
if diff -q '$SrcFile' '$DstFileTmp' > /dev/null 2>&1; then
rm '$DstFileTmp'
else
mv -f '$SrcFile' '$SrcFile.bak'
mv -f '$DstFileTmp' '$SrcFile'
fi
-----
}else{
# -o 指定時，エラー時は DstFile 削除
push( @TmpFileList, $DstFile ) if( $ErrorCnt );
}
}
unlink( @TmpFileList );
}
### C プリプロセッサ ########################################################
sub CPreprocessor {
local $_;
$FileInfo = {
LineCnt => 0
};
( $FileInfo->{ InFile }) = @_;
$CppInfo = {
InFile => $FileInfo->{ InFile },
OutFile => "$FileInfo->{ InFile }.$$.cpp.tmp",
BlockNoOutput => 0,
ResetLinePos => 0,
};
push( @TmpFileList, $CppInfo->{ OutFile });
$FileInfo->{ DispFile } = $FileInfo->{ InFile };
if( -e $CppInfo->{ OutFile }){
print( "cpp: $CppInfo->{ OutFile } is exist, cpp skipped...\n" ) if( $Debug >= 2 );
}else{
# cpp 処理開始
if( !open( $FileInfo->{ In }, "< $FileInfo->{ InFile }" )){
Error( "can't open file \"$FileInfo->{ InFile }\"", 0 );
undef $FileInfo->{ In };
return;
}
if( !open( $CppInfo->{ Out }, "> $CppInfo->{ OutFile }" )){
Error( "can't open file \"$CppInfo->{ OutFile }\"", 0 );
close( $FileInfo->{ In } );
undef $FileInfo->{ In };
undef $FileInfo->{ Out };
return;
}
CppParser();
if( $Debug >= 4 ){
print( "=== macro ===\n" );
foreach $_ ( sort keys %{ $CppInfo->{ DefineTbl }} ){
printf( "$_%s\t%s\n",
$CppInfo->{ DefineTbl }{ $_ }{ args } eq 's' ? '' : '()',
$CppInfo->{ DefineTbl }{ $_ }{ macro }
);
}
print( "=== comment =\n" );
print( join( "\n", @{ $CppInfo->{ CommentPool }} ));
print( "\n=============\n" );
}
close( $CppInfo->{ Out } );
close( $FileInfo->{ In } );
}
$FileInfo->{ InFile } = $CppInfo->{ OutFile };
if( !open( $FileInfo->{ In }, "< $FileInfo->{ InFile }" )){
Error( "can't open file \"$FileInfo->{ InFile }\"", 0 );
return;
}
return $FileInfo->{ In };
}
### 1行読む #################################################################
sub ReadLine {
local $_ = ReadLineSub( $FileInfo->{ In });
my( $Cnt );
my( $Line );
my( $LineCnt ) = $.;
my $key;
while( m@(//\s*\$Scpp|//|/\*\s*\$Scpp|/\*|(?<!\\)")@ ){
$Cnt = $#{ $CppInfo->{ CommentPool }} + 1;
$key = $1;
$key =~ s/\s+//g;
if( $key eq '//$Scpp' ){
# // $Scpp のコメント外し
s#//\s*(\$Scpp)#$1#;
}elsif( $key =~ m#^//# ){
# // コメント退避
push( @{ $CppInfo->{ CommentPool }}, $1 ) if( s#(//.*)#<__COMMENT_${Cnt}__># );
}elsif( $key eq '"' ){
# string 退避
if( s/((?<!\\)".*?(?<!\\)")/<__STRING_${Cnt}__>/ ){
push( @{ $CppInfo->{ CommentPool }}, $1 );
}else{
Error( 'unterminated "' );
s/"//;
}
}elsif( $key eq '/*$Scpp' && s#/\*\s*(\$Scpp.*?)\*/#$1#s ){
# /* $Scpp */ コメント外し
}elsif( $key =~ m#/\*# && s#(/\*.*?\*/)#<__COMMENT_${Cnt}__>#s ){
# /* ... */ の組が発見されたら，置換
push( @{ $CppInfo->{ CommentPool }}, $1 );
$CppInfo->{ ResetLinePos } = $.;
}else{
# /* ... */ の組が発見されないので，発見されるまで行 cat
if( !( $Line = ReadLineSub( $FileInfo->{ In } ))){
Error( 'unterminated */', $LineCnt );
last;
}
$_ .= $Line;
}
}
$_;
}
sub ReadLineSub {
my( $fp ) = @_;
local( $_ );
while( <$fp> ){
if( /^#\s*(\d+)\s+"(.*)"/ ){
$. = $1 - 1;
$FileInfo->{ DispFile } = ( $2 eq "-" ) ? $FileInfo->{ InFile } : $2;
}else{
last;
}
}
return '' if( !defined( $_ ));
$_;
}
# 関数マクロ用に ( ... ) を取得
sub GetFuncArg {
local( $_ ) = @_;
my( $Line );
while( !/^$OpenClose/ ){
$CppInfo->{ ResetLinePos } = $.;
if( !( $Line = ReadLine())){
Error( "unmatched ')'" );
last;
}
$_ .= $Line;
}
$_;
}
### cpp parser ##############################################################
sub CppParser {
my( $BlockMode, $bNoOutput ) = @_;
$BlockMode = 0 if( !defined( $BlockMode ));
$bNoOutput = 0 if( !defined( $bNoOutput ));
local( $_ );
$CppInfo->{ BlockNoOutput } <<= 1;
$CppInfo->{ BlockNoOutput } |= $bNoOutput;
my $Line;
my $i;
my $LineCnt = $.;
my $arg;
my $tmp;
while( $_ = ReadLine()){
if( /^\s*#\s*(?:ifdef|ifndef|if|elif|else|endif|define|undef|include)\b/ ){
# \ で終わっている行を連結
while( /\\$/ ){
if( !( $Line = ReadLine())){
last;
}
$_ .= $Line;
}
$CppInfo->{ ResetLinePos } = $.;
# \ 削除
s/[\t ]*\\[\x0D\x0A]+[\t ]*/ /g;
s/\s+$//g;
s/^\s*#\s*//;
$_ = ExpandMacro( $_, $EX_RMCOMMENT );
# $CppInfo->{ DefineTbl }{ $1 }{ args }: >=0: 引数 <0: 可変引数 's': 単純マクロ
# $CppInfo->{ DefineTbl }{ $1 }{ macro }: マクロ定義本体
if( /^ifdef\b(.*)/ ){
CppParser( $BLKMODE_IF, !IfBlockEval( "defined $1" ));
}elsif( /^ifndef\b(.*)/ ){
CppParser( $BLKMODE_IF, IfBlockEval( "defined $1" ));
}elsif( /^if\b(.*)/ ){
CppParser( $BLKMODE_IF, !IfBlockEval( $1 ));
}elsif( /^elif\b(.*)/ ){
if( $BlockMode != $BLKMODE_IF ){
Error( "unexpected #elif" );
}elsif( $bNoOutput ){
# まだ出力していない
$bNoOutput = !IfBlockEval( $1 );
$CppInfo->{ BlockNoOutput } &= ~1;
$CppInfo->{ BlockNoOutput } |= 1 if( $bNoOutput );
}else{
# もう出力した
$CppInfo->{ BlockNoOutput } |= 1;
}
}elsif( /^else\b/ ){
# else
if( $BlockMode != $BLKMODE_IF ){
Error( "unexpected #else" );
}elsif( $bNoOutput ){
# まだ出力していない
$bNoOutput = 0;
$CppInfo->{ BlockNoOutput } &= ~1;
}else{
# もう出力した
$CppInfo->{ BlockNoOutput } |= 1;
}
}elsif( /^endif\b/ ){
# endif
if( $BlockMode != $BLKMODE_IF ){
Error( "unexpected #endif" );
}else{
last;
}
}elsif( !$CppInfo->{ BlockNoOutput } ){
if( /^define\s+($CSymbol)$/ ){
# 名前だけ定義
AddCppMacro( $1 );
}elsif( /^define\s+($CSymbol)\s+(.+)/ ){
# 名前と値定義
AddCppMacro( $1, $2 );
}elsif( /^define\s+($CSymbol)($OpenClose)\s*(.*)/ ){
# 関数マクロ
my( $Name, $ArgList, $Macro ) = ( $1, $2, $3 );
# ArgList 整形，分割
$ArgList =~ s/^\(\s*//;
$ArgList =~ s/\s*\)$//;
my( @ArgList ) = split( /\s*,\s*/, $ArgList );
# マクロ内の引数を特殊文字に置換
my $ArgNum = $#ArgList + 1;
for( $i = 0; $i <= $#ArgList; ++$i ){
if( $i == $#ArgList && $ArgList[ $i ] eq '...' ){
$ArgNum = -$ArgNum;
last;
}
$Macro =~ s/\b$ArgList[ $i ]\b/<__ARG_${i}__>/g;
}
AddCppMacro( $Name, $Macro, $ArgNum );
}elsif( /^undef\s+($CSymbol)$/ ){
# undef
delete( $CppInfo->{ DefineTbl }{ $1 } );
}elsif( /^include\s+(.*)/ ){
Include( $1 );
}else{
# ここには来ないと思う...
Error( "internal error: cpp: \"$1\"\n" );
}
}
}elsif( !$CppInfo->{ BlockNoOutput } ){
$_ = ExpandMacro( $_, $EX_CPP | $EX_RMCOMMENT );
PrintRTL( $_ );
# scpp directive 位置解析
$Line = $_ = ExpandMacro( $_, $EX_SP );
# SrcFile 処理時以外は下記をスキップ
if( $CppInfo->{ InFile } eq $FileInfo->{ InFile }){
if( /^(SC_MODULE)\(($CSymbol)\)/ ){
push( @{ $CppInfo->{ ScppInfo }}, {
Keyword => $1,
ModuleName => $2,
Line => $Line,
LineCnt => $.
});
$CppInfo->{ ModuleName } = $2;
}elsif( !/^\$Scpp(?:Method|Thread|Cthread)/ && /^(\$Scpp\w+)($OpenClose)?/ ){
( $tmp, $_ ) = ( $1, $2 );
# arg 分解
$arg = undef;
if( $_ ){
s/^\(//;
s/\)$//;
@$arg = map { ExpandMacro( $_, $EX_STR )} split( /,/, $_ );
}
push( @{ $CppInfo->{ ScppInfo }}, {
Keyword => $tmp,
Arg => $arg,
ModuleName => $CppInfo->{ ModuleName },
Line => $Line,
LineCnt => $.,
});
print "ScppInfo: $tmp\n" if( $Debug >= 3 );
}
}
}
}
if( $_ eq '' && $BlockMode != $BLKMODE_NORMAL ){
if( $BlockMode == $BLKMODE_IF ){
Error( "unterminated #if", $LineCnt );
}
}
$CppInfo->{ BlockNoOutput } >>= 1;
}
### output normal line #######################################################
sub PrintRTL{
local( $_ ) = @_;
if( $CppInfo->{ ResetLinePos } ){
# ここは根拠がわからない，まだバグってるかも
if( $CppInfo->{ ResetLinePos } == $. ){
$_ .= sprintf( "# %d \"$FileInfo->{ DispFile }\"\n", $. + 1 );
}else{
$_ = sprintf( "# %d \"$FileInfo->{ DispFile }\"\n", $. ) . $_;
}
$CppInfo->{ ResetLinePos } = 0;
}
print( { $CppInfo->{ Out }} $_ );
}
### CPP directive 処理 #######################################################
sub AddCppMacro {
my( $Name, $Macro, $Args, $bNoCheck ) = @_;
$Macro = '1' if( !defined( $Macro ));
$Args = 's' if( !defined( $Args ));
if(
( !defined( $bNoCheck ) || !$bNoCheck ) &&
defined( $CppInfo->{ DefineTbl }{ $Name } ) &&
( $CppInfo->{ DefineTbl }{ $Name }{ args } ne $Args || $CppInfo->{ DefineTbl }{ $Name }{ macro } ne $Macro )
){
Warning( "redefined macro '$Name'" );
}
$CppInfo->{ DefineTbl }{ $Name } = { 'args' => $Args, 'macro' => $Macro };
}
### if ブロック用 eval #######################################################
sub IfBlockEval {
local( $_ ) = @_;
$_ = eval( ExpandMacro( $_, $EX_CPP | $EX_STR | $EX_IF_EVAL ));
if( $@ ne '' ){
my $msg = $@;
$msg =~ s/\n+$//g;
Error( $msg );
}
$_;
}
### CPP マクロ展開 ###########################################################
sub ExpandMacro {
local $_;
my $Mode;
( $_, $Mode ) = @_;
my $Line;
my $Line2;
my $Name;
my( $ArgList, @ArgList );
my $ArgNum;
my $i;
$Mode = $EX_CPP if( !defined( $Mode ));
my $bReplaced = 1;
if( $Mode & $EX_CPP ){
while( $bReplaced ){
$bReplaced = 0;
$Line = '';
while( /(.*?)\b($CSymbol)\b(.*)/s ){
$Line .= $1;
( $Name, $_ ) = ( $2, $3 );
if( $Name eq '__FILE__' ){
$Line .= $FileInfo->{ DispFile };
}elsif( $Name eq '__LINE__' ){
$Line .= $.;
}elsif(
$Name eq 'defined' && $EX_IF_EVAL &&
( s/^\s*($CSymbol)\b// || s/^s*\(\s*($CSymbol)\s*\)// )
){
# defined マクロ
$Line .= defined( $CppInfo->{ DefineTbl }{ $1 } ) ? '1' : '0';
}elsif( !defined( $CppInfo->{ DefineTbl }{ $Name } )){
# マクロではない
# if 用の eval の場合，，未定義シンボルは 0 に変換
$Line .= ( $Mode & $EX_IF_EVAL ) ? '0' : $Name;
}elsif( $CppInfo->{ DefineTbl }{ $Name }{ args } eq 's' ){
# 単純マクロ
$Line .= $CppInfo->{ DefineTbl }{ $Name }{ macro };
$bReplaced = 1;
}else{
# 関数マクロ
s/^\s+//;
if( !/^\(/ ){
# hoge( になってない
Error( "invalid number of macro arg: $Name" );
$Line .= $Name;
}else{
# マクロ引数取得
$_ = GetFuncArg( $_ );
# マクロ引数解析
if( /^($OpenClose)(.*)/s ){
( $ArgList, $_ ) = ( $1, $2 );
$ArgList =~ s/<__COMMENT_\d+__>//g;
$ArgList =~ s/[\t ]*[\x0D\x0A]+[\t ]*/ /g;
$ArgList =~ s/^\(\s*//;
$ArgList =~ s/\s*\)$//;
undef( @ArgList );
while( $ArgList ne '' ){
last if( $ArgList !~ /^\s*($OpenCloseArg)\s*(,?)\s*(.*)/ );
push( @ArgList, $1 );
$ArgList = $3;
if( $2 ne '' && $ArgList eq '' ){
push( @ArgList, '' );
}
}
if( $ArgList eq '' ){
# 引数チェック
$ArgNum = $CppInfo->{ DefineTbl }{ $Name }{ args };
$ArgNum = -$ArgNum - 1 if( $ArgNum < 0 );
if( !(
$CppInfo->{ DefineTbl }{ $Name }{ args } >= 0 ?
( $ArgNum == $#ArgList + 1 ) : ( $ArgNum <= $#ArgList + 1 )
)){
Error( "invalid number of macro arg: $Name" );
$Line .= $Name . '()';
}else{
# 仮引数を実引数に置換
$Line2 = $CppInfo->{ DefineTbl }{ $Name }{ macro };
$Line2 =~ s/<__ARG_(\d+)__>/$ArgList[ $1 ]/g;
# 可変引数を置換
if( $CppInfo->{ DefineTbl }{ $Name }{ args } < 0 ){
if( $#ArgList + 1 <= $ArgNum ){
# 引数 0 個の時は，カンマもろとも消す
$Line2 =~ s/,?\s*(?:##)*\s*__VA_ARGS__\s*/ /g;
}else{
$Line2 =~ s/(?:##\s*)?__VA_ARGS__/join( ', ', @ArgList[ $ArgNum .. $#ArgList ] )/ge;
}
}
$Line .= $Line2;
$bReplaced = 1;
}
}else{
# $ArgList を全部消費しきれなかったらエラー
Error( "invalid macro arg: $Name" );
$Line .= $Name . '()';
}
}
}
}
}
$_ = $Line . $_;
}
# トークン連結演算子 ##
$bReplaced |= s/\s*##\s*//g;
}
# 1L とかの置換
s/\b(\d\w*)(?:L|U|LU|UL|F)\b/$1/gi if( $Mode & $EX_IF_EVAL );
# 文字列削除
if( $Mode & $EX_RMSTR ){
s/<__STRING_\d+__>/ /g;
}
# コメント削除
if( $Mode & $EX_RMCOMMENT ){
s/<__COMMENT_\d+__>/ /g;
}
if( $Mode & $EX_SP ){
# space 最適化
s/^\s+//; s/\s+$//;
s/(\w)\s+(\w)/$1 $2/g;
s/\s*(\W)\s*/$1/g;
}
# 文字列
if( $Mode & $EX_STR ){
# 文字列化
s/\$String($OpenClose)/Stringlize( $1 )/ge;
# 文字列定数復活
s/<__STRING_(\d+)__>/$CppInfo->{ CommentPool }[ $1 ]/g;
# 文字列リテラル連結
1 while( s/((?<!\\)".*?)(?<!\\)"\s*"(.*?(?<!\\)")/$1$2/g );
}
# コメント
if( $Mode & $EX_COMMENT ){
s/<__COMMENT_(\d+)__>/$CppInfo->{ CommentPool }[ $1 ]/g;
}
$_;
}
### sizeof / typeof ##########################################################
sub Stringlize {
local( $_ ) = @_;
s/^\(\s*//;
s/\s*\)$//;
return "\"$_\"";
}
### ファイル include #########################################################
sub SearchIncludeFile {
my( $File ) = @_;
local $_;
$File =~ s/^"(.*)"\s*$/$1/;
$File = ExpandEnv( $File );
# パスに / が含まれていたら何もしない
return $File if( $File =~ m#/# || -e $File );
foreach $_ ( @IncludePath ){
s#/$##;
return "$_/$File" if( -e "$_/$File" );
}
return $File;
}
# $_ == undef の場合，リワインド用の情報だけを push
sub PushFileInfo {
local( $_ ) = @_;
printf( "%d:pushing FileInfo %s -> $_\n",
$#IncludeList + 1,
$FileInfo->{ InFile } || '(undef)'
) if( $Debug >= 2 );
if( $FileInfo->{ InFile }){
$FileInfo->{ RewindPtr } = tell( $FileInfo->{ In } );
$FileInfo->{ LineCnt } = $.;
close( $FileInfo->{ In } ) if( $_ );
}
push( @IncludeList, $FileInfo );
if( $_ ){
$FileInfo = {
InFile => $_,
DispFile => $_,
};
}else{
# deep copy
%$_ = %$FileInfo;
$FileInfo = $_;
$FileInfo->{ Rewind } = 1;
}
}
sub PopFileInfo {
close( $FileInfo->{ In }) if( $FileInfo->{ In } && !$FileInfo->{ Rewind });
print( "$#IncludeList:poping FileInfo $FileInfo->{ InFile } -> " ) if( $Debug >= 2 );
$FileInfo = pop( @IncludeList );
print(( $FileInfo->{ InFile } || '(undef)' ) . "\n" ) if( $Debug >= 2 );
if( $FileInfo->{ InFile }){
open( $FileInfo->{ In }, "< $FileInfo->{ InFile }" );
seek( $FileInfo->{ In }, $FileInfo->{ RewindPtr }, SEEK_SET );
}
$. = $FileInfo->{ LineCnt };
$CppInfo->{ ResetLinePos } = $.;
}
sub Include {
local( $_ ) = @_;
$_ = ExpandMacro( $_, $EX_CPP | $EX_STR );
if( /<.+>/ ){
PrintRTL( "\n" );
return;
}
$_ = SearchIncludeFile( $_ );
PushFileInfo( $_ );
if( !open( $FileInfo->{ In }, "< $_" )){
Error( "can't open include file '$_'" );
}else{
$FileInfo->{ InFile } = $_;
PrintRTL( "# 1 \"$_\"\n" );
print( "including file '$_'...\n" ) if( $Debug >= 2 );
CppParser();
printf( "back to file '%s'...\n", $IncludeList[ $#IncludeList ]->{ InFile } ) if( $Debug >= 2 );
}
PopFileInfo();
}
### 環境変数展開 #############################################################
sub ExpandEnv {
local( $_ ) = @_;
s/(\$\{.+?\})/ExpandEnvSub( $1 )/ge;
s/(\$\(.+?\))/ExpandEnvSub( $1 )/ge;
$_;
}
sub ExpandEnvSub {
local( $_ ) = @_;
my( $org ) = $_;
s/^\$[\(\{]//;
s/[\}\)]$//;
$ENV{ $_ } || $org;
}
### Scpp パーザ ##############################################################
sub ScppParser {
local( $_ );
foreach $_ ( @{ $CppInfo->{ ScppInfo }} ){
$FileInfo->{ LineCnt } = $_->{ LineCnt };
print(
"######################## err=$ErrorCnt\n$_->{ Keyword }:" .
( defined( $_->{ Arg } ) ? join( ", ", @{ $_->{ Arg }} ) : '' ) .
"\n"
) if( $Debug >= 3 );
if( $_->{ Keyword } eq 'SC_MODULE' ){
StartModule( $_ );
}elsif( $_->{ Keyword } eq '$ScppSensitive' ){
GetSensitive( $_ );
}elsif( $_->{ Keyword } eq '$ScppInstance' ){
DefineInstance( $_ );
}elsif( $_->{ Keyword } =~ /^\$Scpp/ ){
#Error( "unknown scpp directive \"$_->{ Keyword }\"" );
}
}
}
### Scpp 最終出力 ############################################################
sub OutputToLineCnt {
my( $fpIn, $fpOut, $LineCnt ) = @_;
local $_;
while( !defined( $LineCnt ) || $fpIn->input_line_number() < $LineCnt ){
if( !( $_ = <$fpIn> )){
Error( "internal error: OutputToLine(): no more line" ) if( $LineCnt );
last;
}
print $fpOut $_ if( defined( $fpOut ));
}
}
sub ScppOutput {
my( $InFile, $OutFile ) = @_;
local( $_ );
my $fpIn;
my $fpOut;
my $SkipToEnd = 0;
my $Scpp;
my $Wire;
my $indent;
my $tmp;
my $ModInfo;
if( !open( $fpIn, "< $InFile" )){
Error( "can't open file \"$InFile\"" );
return;
}
if( !open( $fpOut, "> $OutFile" )){
Error( "can't open file \"$OutFile\"" );
close( $fpIn );
return;
}
foreach $Scpp ( @{ $CppInfo->{ ScppInfo }} ){
if( $SkipToEnd ){
$SkipToEnd = 0;
if( $Scpp->{ Keyword } eq '$ScppEnd' ){
# ScppEnd 直前までスキップ
OutputToLineCnt( $fpIn, undef, $Scpp->{ LineCnt } - 1 );
OutputToLineCnt( $fpIn, $fpOut, $Scpp->{ LineCnt });
next;
}
# ScppEnd が無いエラー
Error( "unexpected scpp directive: $Scpp->{ Keyword }" );
}
# $Scpp 直前まで出力
OutputToLineCnt( $fpIn, $fpOut, $Scpp->{ LineCnt } - 1 );
# $Scpp に Begin をつける
$_ = <$fpIn>;
/^(\s*)/; $indent = $1;
if( $Scpp->{ Keyword } ne 'SC_MODULE' ){
$SkipToEnd = ( $Scpp->{ Line } =~ /\bBegin\s*$/ ) ? 1 : 0;
if( !$SkipToEnd ){
s#\s*\*/\s*$# Begin */\n# || s/\s*$/ Begin\n/;
}
}
print $fpOut $_;
$ModInfo = $ModuleInfo->{ $Scpp->{ ModuleName }};
$FileInfo->{ LineCnt } = $Scpp->{ LineCnt };
print(
"@@@@@@@@@@@@@@@@@@@@@@ err=$ErrorCnt\n$Scpp->{ Keyword }:" .
( defined( $Scpp->{ Arg } ) ? join( ", ", @{ $Scpp->{ Arg }} ) : '' ) .
"\n"
) if( $Debug >= 3 );
if( $Scpp->{ Keyword } eq '$ScppSensitive' ){
# センシティビティリスト集約
OutputSensitive( $fpOut, $ModInfo, $Scpp, $indent );
}elsif( $Scpp->{ Keyword } eq '$ScppInstance' ){
# 自動インスタンス
$tmp = $ModInfo->{ InstanceHash }{ $Scpp->{ Arg }[ 1 ]}{ code };
$tmp =~ s/^/$indent/mg;
print $fpOut $tmp;
}elsif(
$Scpp->{ Keyword } eq '$ScppAutoMember' ||
$Scpp->{ Keyword } eq '$ScppAutoMemberSim'
){
# ScppAutoMember
OutputAutoMember( $fpOut, $ModInfo, $Scpp, $indent );
}elsif( $Scpp->{ Keyword } eq '$ScppSigTrace' ){
# signal trace 出力
OutputSigTrace( $fpOut, $ModInfo, $Scpp, $indent );
}elsif( $Scpp->{ Keyword } eq '$ScppInitializer' ){
# 信号名設定 (初期化子)
if( $#{ $ModInfo->{ WireList }} >= 0 ){
$_ = '';
foreach $Wire ( @{ $ModInfo->{ WireList }} ){
if( $Wire->{ dim } eq '' && !( $Wire->{ attr } & $ATTR_NC )){
$_ .= "$Wire->{ name }( \"$Wire->{ name }\" ),\n";
}
}
if( $_ ){
$_ = ": $_" if( $Scpp->{ Arg }[ 0 ] =~ /:/ );
s/,$// if( $Scpp->{ Arg }[ 0 ] !~ /,/ );
s/^/$indent/gm;
print $fpOut $_;
}
}
}elsif( $Scpp->{ Keyword } =~ /^\$Scpp/ ){
Error( "unknown scpp directive \"$Scpp->{ Keyword }\"" );
}
# $ScppEnd をつける
if( !$SkipToEnd && $Scpp->{ Keyword } ne 'SC_MODULE' ){
# インデント取得
print $fpOut "$indent// \$ScppEnd\n";
}
}
OutputToLineCnt( $fpIn, $fpOut );
close( $fpIn );
close( $fpOut );
}
### Start of the module #####################################################
sub StartModule {
local( $_ );
my( $Scpp ) = @_;
# 親 module の wire / port リストをget