From 0b9d5e907c1c55453c85d921c145a19a01f745a9 Mon Sep 17 00:00:00 2001
From: Dongkyun Son <dongkyun.s@samsung.com>
Date: Mon, 11 Mar 2019 15:00:02 +0900
Subject: [PATCH] Fix regular expression at doc/rdsrc.pl

fix build error
"""
[  105s] perl ./rdsrc.pl html < nasmdoc.src
[  105s] Unescaped left brace in regex is illegal here in regex; marked by <-- HERE in m/\\{ <-- HERE / at ./rdsrc.pl line 252.
[  105s] Makefile:47: recipe for target 'html/nasmdoc0.html' failed
"""

Change-Id: Ic9dd399c02a8795deb301f42d68868d93c9bb5fd
Signed-off-by: Dongkyun Son <dongkyun.s@samsung.com>
---
 doc/rdsrc.pl | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/doc/rdsrc.pl b/doc/rdsrc.pl
index de3a862..64b3c62 100644
--- a/doc/rdsrc.pl
+++ b/doc/rdsrc.pl
@@ -249,8 +249,8 @@ sub got_para {
     while (/^\\c (([^\\]|\\[^c])*)(.*)$/) {
       $l = $1;
       $_ = $3;
-      $l =~ s/\\{/{/g;
-      $l =~ s/\\}/}/g;
+      $l =~ s/\\\{/{/g;
+      $l =~ s/\\\}/}/g;
       $l =~ s/\\\\/\\/g;
       push @$pname, $l;
     }
@@ -263,7 +263,7 @@ sub got_para {
     $snum = 0;
     $xref = "chapter-$cnum";
     $pflags = "chap $cnum :$xref";
-    die "badly formatted chapter heading: $_\n" if !/^\\C{([^}]*)}\s*(.*)$/;
+    die "badly formatted chapter heading: $_\n" if !/^\\C\{([^}]*)\}\s*(.*)$/;
     $refs{$1} = "chapter $cnum";
     $node = "Chapter $cnum";
     &add_item($node, 1);
@@ -280,7 +280,7 @@ sub got_para {
     $snum = 0;
     $xref = "appendix-$cnum";
     $pflags = "appn $cnum :$xref";
-    die "badly formatted appendix heading: $_\n" if !/^\\A{([^}]*)}\s*(.*)$/;
+    die "badly formatted appendix heading: $_\n" if !/^\\A\{([^}]*)\}\s*(.*)$/;
     $refs{$1} = "appendix $cnum";
     $node = "Appendix $cnum";
     &add_item($node, 1);
@@ -294,7 +294,7 @@ sub got_para {
     $snum = 0;
     $xref = "section-$cnum.$hnum";
     $pflags = "head $cnum.$hnum :$xref";
-    die "badly formatted heading: $_\n" if !/^\\[HP]{([^}]*)}\s*(.*)$/;
+    die "badly formatted heading: $_\n" if !/^\\[HP]\{([^\}]*)\}\s*(.*)$/;
     $refs{$1} = "section $cnum.$hnum";
     $node = "Section $cnum.$hnum";
     &add_item($node, 2);
@@ -307,7 +307,7 @@ sub got_para {
     $snum++;
     $xref = "section-$cnum.$hnum.$snum";
     $pflags = "subh $cnum.$hnum.$snum :$xref";
-    die "badly formatted subheading: $_\n" if !/^\\S{([^}]*)}\s*(.*)$/;
+    die "badly formatted subheading: $_\n" if !/^\\S\{([^}]*)\}\s*(.*)$/;
     $refs{$1} = "section $cnum.$hnum.$snum";
     $node = "Section $cnum.$hnum.$snum";
     &add_item($node, 3);
@@ -317,18 +317,18 @@ sub got_para {
     # the standard word-by-word code will happen next
   } elsif (/^\\IR/) {
     # An index-rewrite.
-    die "badly formatted index rewrite: $_\n" if !/^\\IR{([^}]*)}\s*(.*)$/;
+    die "badly formatted index rewrite: $_\n" if !/^\\IR\{([^\}]*)\}\s*(.*)$/;
     $irewrite = $1;
     $_ = $2;
     # the standard word-by-word code will happen next
   } elsif (/^\\IA/) {
     # An index-alias.
-    die "badly formatted index alias: $_\n" if !/^\\IA{([^}]*)}{([^}]*)}\s*$/;
+    die "badly formatted index alias: $_\n" if !/^\\IA\{([^}]*)\}\{([^\}]*)\}\s*$/;
     $idxalias{$1} = $2;
     return; # avoid word-by-word code
   } elsif (/^\\M/) {
     # Metadata
-    die "badly formed metadata: $_\n" if !/^\\M{([^}]*)}{([^}]*)}\s*$/;
+    die "badly formed metadata: $_\n" if !/^\\M\{([^\}]*)\}\{([^\}]*)\}\s*$/;
     $metadata{$1} = $2;
     return; # avoid word-by-word code
   } elsif (/^\\b/) {
@@ -377,8 +377,8 @@ sub got_para {
       die "badly formatted \\c: \\c$_\n" if !/{(([^\\}]|\\.)*)}(.*)$/;
       $w = $1;
       $_ = $3;
-      $w =~ s/\\{/{/g;
-      $w =~ s/\\}/}/g;
+      $w =~ s/\\\{/{/g;
+      $w =~ s/\\\}/}/g;
       $w =~ s/\\-/-/g;
       $w =~ s/\\\\/\\/g;
       (push @$pname,"i"),$lastp = $#$pname if $indexing;
@@ -394,8 +394,8 @@ sub got_para {
       die "badly formatted $type: $type$_\n" if !/{(([^\\}]|\\.)*)}(.*)$/;
       $w = $1;
       $_ = $3;
-      $w =~ s/\\{/{/g;
-      $w =~ s/\\}/}/g;
+      $w =~ s/\\\{/{/g;
+      $w =~ s/\\\}/}/g;
       $w =~ s/\\-/-/g;
       $w =~ s/\\\\/\\/g;
       $t = $emph ? "es" : "n ";
@@ -431,8 +431,8 @@ sub got_para {
       $t = "w ";
       $t = "wc" if $3 eq "\\c";
       $indexing = 1 if $2;
-      $w =~ s/\\{/{/g;
-      $w =~ s/\\}/}/g;
+      $w =~ s/\\\{/{/g;
+      $w =~ s/\\\}/}/g;
       $w =~ s/\\-/-/g;
       $w =~ s/\\\\/\\/g;
       (push @$pname,"i"),$lastp = $#$pname if $indexing;
@@ -443,8 +443,8 @@ sub got_para {
       die "painful death! $_\n" if !length $1;
       $w = $1;
       $_ = $3;
-      $w =~ s/\\{/{/g;
-      $w =~ s/\\}/}/g;
+      $w =~ s/\\\{/{/g;
+      $w =~ s/\\\}/}/g;
       $w =~ s/\\-/-/g;
       $w =~ s/\\\\/\\/g;
       if ($w eq "-") {
-- 
2.7.4