Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master

1 files changed, 112 insertions, 0 deletions

diff --git a/gas/itbl-lex.l b/gas/itbl-lex.l
new file mode 100644
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--- /dev/null
+++ b/gas/itbl-lex.l
@@ -0,0 +1,112 @@
+/* itbl-lex.l
+   Copyright (C) 1997-2014 Free Software Foundation, Inc.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GAS is distributed in the hope that it will be useful, 
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+%{
+#include "as.h"
+#include "itbl-lex.h"
+#include <itbl-parse.h>
+
+#ifdef DEBUG
+#define DBG(x) printf x
+#define MDBG(x) printf x
+#else
+#define DBG(x)
+#define MDBG(x)
+#endif
+
+int insntbl_line = 1;
+%}
+
+ALNUM	[A-Za-z0-9_]
+DIGIT	[0-9]
+ALPHA	[A-Za-z_]
+HEX	[0-9A-Fa-f]
+
+%%
+
+"creg"|"CREG" {
+    return CREG;
+  }
+"dreg"|"DREG" {
+    return DREG;
+  }
+"greg"|"GREG" {
+    return GREG;
+  }
+"immed"|"IMMED" {
+    return IMMED;
+  }
+"addr"|"ADDR" {
+    return ADDR;
+  }
+"insn"|"INSN" {
+    return INSN;
+  }
+"p"{DIGIT} {
+    yytext[yyleng] = 0;
+    yylval.processor = strtoul (yytext+1, 0, 0);
+    return PNUM;
+  }
+{DIGIT}+ {
+    yytext[yyleng] = 0;
+    yylval.num = strtoul (yytext, 0, 0);
+    return NUM;
+  }
+"0x"{HEX}+ {
+    yytext[yyleng] = 0;
+    yylval.num = strtoul (yytext, 0, 0);
+    return NUM;
+  }
+{ALPHA}{ALNUM}*	{
+    yytext[yyleng] = 0;
+    yylval.str = strdup (yytext);
+    return ID;
+  }
+";"|"#"	{
+    int c;
+    while ((c = input ()) !=  EOF) 
+      {
+        if (c ==  '\n') 
+    	{
+    		unput (c);
+    		break;
+    	}
+      }
+  }
+"\n"	{ 
+    insntbl_line++; 
+    MDBG (("in lex, NL = %d (x%x)\n", NL, NL));
+    return NL; 
+  }
+" "|"\t" { 
+  }
+. {
+    MDBG (("char = %x, %d\n", yytext[0], yytext[0]));
+    return yytext[0];
+  }
+%%
+
+#ifndef yywrap
+int 
+yywrap () 
+  { 
+    return 1; 
+  }
+#endif