Added support for the top target peephole optimiser.

util/topgen/pmfile

@@ -0,0 +1,56 @@
+-- $Source$
+-- $State$
+
+local d = ROOTDIR.."util/topgen/"
+
+local lpars = LLgen {
+	file (d.."topgen.g")
+}
+
+local cfile_with_headers = cfile {
+	class = "cfile_with_headers",
+	dynamicheaders = {
+		file (d),
+		lpars
+	}
+}
+	
+tool_topgen = cprogram {
+	cfile_with_headers (d.."LLlex.c"),
+	cfile_with_headers (d.."hash.c"),
+	cfile_with_headers (d.."main.c"),
+	cfile_with_headers (d.."pattern.c"),
+	cfile_with_headers (d.."symtab.c"),
+
+	foreach {
+		rule = cfile_with_headers,
+		ith { lpars, from=2 }
+	},
+
+	lib_assert,
+	lib_print,
+	lib_alloc,
+	lib_system,
+	lib_string,
+	
+	outputs = {"%U%/topgen"},
+	install = pm.install("%TOOLDIR%topgen")
+}
+
+topgen = simple {
+	class = "topgen",
+	
+	outputs = {"%U%/gen.c"},
+	command = {
+		"mkdir -p %out[1]:dirname%",
+		"cd %out[1]:dirname% && %TOOLDIR%topgen %in[1]%"
+	},
+}
+	
+-- Revision history
+-- $Log$
+-- Revision 1.1  2006-07-22 12:31:19  dtrg
+-- Added support for the top target peephole optimiser.
+--
+-- Revision 1.1  2006/07/20 23:24:28  dtrg
+-- First version in CVS.