initial commit

libs/Catch2/scripts/embed.py

@@ -0,0 +1,63 @@
+import re
+
+preprocessorRe = re.compile( r'\s*#.*' )
+
+fdefineRe = re.compile( r'\s*#\s*define\s*(\S*)\s*\(' ) # #defines that take arguments
+defineRe = re.compile( r'\s*#\s*define\s*(\S*)(\s+)(.*)' ) # all #defines
+undefRe = re.compile( r'\s*#\s*undef\s*(\S*)' ) # all #undefs
+
+ifdefCommonRe = re.compile( r'\s*#\s*if' ) # all #ifdefs
+ifdefRe = re.compile( r'\s*#\s*ifdef\s*(\S*)' )
+ifndefRe = re.compile( r'\s*#\s*ifndef\s*(\S*)' )
+endifRe = re.compile( r'\s*#\s*endif\s*//\s*(.*)' )
+elseRe = re.compile( r'\s*#\s*else' )
+ifRe = re.compile( r'\s*#\s*if\s+(.*)' )
+
+nsRe = re.compile( r'(.*?\s*\s*namespace\s+)(\w+)(\s*{?)(.*)' )
+nsCloseRe = re.compile( r'(.*\s*})(\s*\/\/\s*namespace\s+)(\w+)(\s*)(.*)' )
+
+
+class LineMapper:
+    def __init__( self, idMap, outerNamespace ):
+        self.idMap = idMap
+        self.outerNamespace = outerNamespace
+
+    # TBD:
+    #  #if, #ifdef, comments after #else
+    def mapLine( self, lineNo, line ):
+        for idFrom, idTo in self.idMap.items():
+            r = re.compile("(.*)" + idFrom + "(.*)")
+
+            m = r.match( line )
+            if m:
+                line = m.group(1) + idTo + m.group(2) + "\n"
+
+        m = nsCloseRe.match( line )
+        if m:
+            originalNs = m.group(3)
+            # print("[{0}] originalNs: '{1}' - closing".format(lineNo, originalNs))
+            # print( "  " + line )
+            # print( "  1:[{0}]\n  2:[{1}]\n  3:[{2}]\n  4:[{3}]\n  5:[{4}]".format( m.group(1), m.group(2), m.group(3), m.group(4), m.group(5) ) )
+            if originalNs in self.outerNamespace:
+                outerNs, innerNs = self.outerNamespace[originalNs]
+                return "{0}}}{1}{2}::{3}{4}{5}\n".format( m.group(1), m.group(2), outerNs, innerNs, m.group(4), m.group(5))
+        m = nsRe.match( line )
+        if m:
+            originalNs = m.group(2)
+            # print("[{0}] originalNs: '{1}'".format(lineNo, originalNs))
+            # print( "  " + line )
+            # print( "  1:[{0}]\n  2:[{1}]\n  3:[{2}]\n  4:[{3}]".format( m.group(1), m.group(2), m.group(3), m.group(4) ) )
+            if originalNs in self.outerNamespace:
+                outerNs, innerNs = self.outerNamespace[originalNs]
+                return "{0}{1} {{ namespace {2}{3}{4}\n".format( m.group(1), outerNs, innerNs, m.group(3), m.group(4) )
+
+        return line
+
+    def mapFile(self, filenameIn, filenameOut ):
+        print( "Embedding:\n  {0}\nas:\n  {1}".format( filenameIn, filenameOut ) )
+        with open( filenameIn, 'r' ) as f, open( filenameOut, 'w' ) as outf:
+            lineNo = 1
+            for line in f:
+                outf.write( self.mapLine( lineNo, line ) )
+                lineNo = lineNo + 1
+        print( "Written {0} lines".format( lineNo ) )