update sources to v12.2.3

[ceph.git] / ceph / src / boost / tools / build / src / engine / scan.c

diff --git a/ceph/src/boost/tools/build/src/engine/scan.c b/ceph/src/boost/tools/build/src/engine/scan.c
index 73188a6920cbdb926f7f8e3c9337345f15cb9140..860d98871a718e4b4cb28a107f0c3e9d76390a87 100644 (file)
--- a/ceph/src/boost/tools/build/src/engine/scan.c
+++ b/ceph/src/boost/tools/build/src/engine/scan.c
@@ -34,6 +34,8 @@ struct include
     include   * next;        /* next serial include file */
     char      * string;      /* pointer into current line */
     char    * * strings;     /* for yyfparse() -- text to parse */
+    LISTITER    pos;         /* for yysparse() -- text to parse */
+    LIST      * list;        /* for yysparse() -- text to parse */
     FILE      * file;        /* for yyfparse() -- file being read */
     OBJECT    * fname;       /* for yyfparse() -- file name */
     int         line;        /* line counter for error messages */
@@ -104,6 +106,13 @@ void yyfparse( OBJECT * s )
 }
 
 
+void yysparse( OBJECT * name, const char * * lines )
+{
+    yyfparse( name );
+    incp->strings = (char * *)lines;
+}
+
+
 /*
  * yyfdone() - cleanup after we're done parsing a file.
  */
@@ -274,8 +283,24 @@ int yylex()
             if ( c != '#' )
                 break;
 
-            /* Swallow up comment line. */
-            while ( ( ( c = yychar() ) != EOF ) && ( c != '\n' ) ) ;
+            c = yychar();
+            if ( ( c != EOF ) && c == '|' )
+            {
+                /* Swallow up block comment. */
+                int c0 = yychar();
+                int c1 = yychar();
+                while ( ! ( c0 == '|' && c1 == '#' ) && ( c0 != EOF && c1 != EOF ) )
+                {
+                    c0 = c1;
+                    c1 = yychar();
+                }
+                c = c1;
+            }
+            else
+            {
+                /* Swallow up comment line. */
+                while ( ( c != EOF ) && ( c != '\n' ) ) c = yychar();
+            }
         }
 
         /* c now points to the first character of a token. */