Initial, non-functional, version of llvm-upgrade. This version just echos

its input. Committed for safekeeping purposes. Don't use this yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32030 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 229 insertions, 0 deletions

diff --git a/tools/llvm-upgrade/UpgradeLexer.l.cvs b/tools/llvm-upgrade/UpgradeLexer.l.cvs
new file mode 100644
index 0000000000..08dfd8f335
--- /dev/null
+++ b/tools/llvm-upgrade/UpgradeLexer.l.cvs
@@ -0,0 +1,229 @@
+/*===-- Lexer.l - Scanner for llvm assembly files --------------*- C++ -*--===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//  This file implements the flex scanner for LLVM assembly languages files.
+//
+//===----------------------------------------------------------------------===*/
+
+%option prefix="Upgrade"
+%option yylineno
+%option nostdinit
+%option never-interactive
+%option batch
+%option noyywrap
+%option nodefault
+%option 8bit
+%option outfile="UpgradeLexer.cpp"
+%option ecs
+%option noreject
+%option noyymore
+
+%{
+
+#include "ParserInternals.h"
+#define YYSTYPE std::string*
+#include "UpgradeParser.h"
+#include <cctype>
+#include <cstdlib>
+
+void set_scan_bytes (const char * str, size_t len) {
+  Upgrade_scan_bytes (str, len);
+}
+
+static void trim(std::string& str) {
+  size_t startpos = str.find_first_not_of(" \t\n\r",0);
+  if (startpos != std::string::npos)
+    str.erase(0,startpos);
+}
+
+// Construct a token value for a non-obsolete token
+#define RET_TOK(sym) \
+  Upgradelval = new std::string(yytext); \
+  trim(*Upgradelval); \
+  return sym
+
+#define YY_NEVER_INTERACTIVE 1
+%}
+
+
+
+/* Comments start with a ; and go till end of line */
+Comment    ;.*
+
+/* Variable(Value) identifiers start with a % sign */
+VarID       %[-a-zA-Z$._][-a-zA-Z$._0-9]*
+
+/* Label identifiers end with a colon */
+Label       [-a-zA-Z$._0-9]+:
+QuoteLabel \"[^\"]+\":
+
+/* Quoted names can contain any character except " and \ */
+StringConstant \"[^\"]*\"
+
+
+/* [PN]Integer: match positive and negative literal integer values that
+ * are preceeded by a '%' character.  These represent unnamed variable slots.
+ */
+EPInteger     %[0-9]+
+ENInteger    %-[0-9]+
+
+
+/* E[PN]Integer: match positive and negative literal integer values */
+PInteger   [0-9]+
+NInteger  -[0-9]+
+
+/* FPConstant - A Floating point constant.
+ */
+FPConstant [-+]?[0-9]+[.][0-9]*([eE][-+]?[0-9]+)?
+
+/* HexFPConstant - Floating point constant represented in IEEE format as a
+ *  hexadecimal number for when exponential notation is not precise enough.
+ */
+HexFPConstant 0x[0-9A-Fa-f]+
+
+/* HexIntConstant - Hexadecimal constant generated by the CFE to avoid forcing
+ * it to deal with 64 bit numbers.
+ */
+HexIntConstant [us]0x[0-9A-Fa-f]+
+%%
+
+{Comment}       { /* Ignore comments for now */ }
+
+begin           { RET_TOK( BEGINTOK); }
+end             { RET_TOK( ENDTOK); }
+true            { RET_TOK( TRUETOK);  }
+false           { RET_TOK( FALSETOK); }
+declare         { RET_TOK( DECLARE); }
+global          { RET_TOK( GLOBAL); }
+constant        { RET_TOK( CONSTANT); }
+internal        { RET_TOK( INTERNAL); }
+linkonce        { RET_TOK( LINKONCE); }
+weak            { RET_TOK( WEAK); }
+appending       { RET_TOK( APPENDING); }
+dllimport       { RET_TOK( DLLIMPORT); }
+dllexport       { RET_TOK( DLLEXPORT); }
+extern_weak     { RET_TOK( EXTERN_WEAK); }
+external        { RET_TOK( EXTERNAL); }
+implementation  { RET_TOK( IMPLEMENTATION); }
+zeroinitializer { RET_TOK( ZEROINITIALIZER); }
+\.\.\.          { RET_TOK( DOTDOTDOT); }
+undef           { RET_TOK( UNDEF); }
+null            { RET_TOK( NULL_TOK); }
+to              { RET_TOK( TO); }
+tail            { RET_TOK( TAIL); }
+target          { RET_TOK( TARGET); }
+triple          { RET_TOK( TRIPLE); }
+deplibs         { RET_TOK( DEPLIBS); }
+endian          { RET_TOK( ENDIAN); }
+pointersize     { RET_TOK( POINTERSIZE); }
+datalayout      { RET_TOK( DATALAYOUT); }
+little          { RET_TOK( LITTLE); }
+big             { RET_TOK( BIG); }
+volatile        { RET_TOK( VOLATILE); }
+align           { RET_TOK( ALIGN);  }
+section         { RET_TOK( SECTION); }
+module          { RET_TOK( MODULE); }
+asm             { RET_TOK( ASM_TOK); }
+sideeffect      { RET_TOK( SIDEEFFECT); }
+
+cc              { RET_TOK( CC_TOK); }
+ccc             { RET_TOK( CCC_TOK); }
+csretcc         { RET_TOK( CSRETCC_TOK); }
+fastcc          { RET_TOK( FASTCC_TOK); }
+coldcc          { RET_TOK( COLDCC_TOK); }
+x86_stdcallcc   { RET_TOK( X86_STDCALLCC_TOK); }
+x86_fastcallcc  { RET_TOK( X86_FASTCALLCC_TOK); }
+
+void            { RET_TOK( VOID); }
+bool            { RET_TOK( BOOL); }
+sbyte           { RET_TOK( SBYTE); }
+ubyte           { RET_TOK( UBYTE); }
+short           { RET_TOK( SHORT); }
+ushort          { RET_TOK( USHORT); }
+int             { RET_TOK( INT);   }
+uint            { RET_TOK( UINT);  }
+long            { RET_TOK( LONG);  }
+ulong           { RET_TOK( ULONG); }
+float           { RET_TOK( FLOAT); }
+double          { RET_TOK( DOUBLE); }
+label           { RET_TOK( LABEL); }
+type            { RET_TOK( TYPE);   }
+opaque          { RET_TOK( OPAQUE); }
+
+add             { RET_TOK( ADD); }
+sub             { RET_TOK( SUB); }
+mul             { RET_TOK( MUL); }
+div             { RET_TOK( UDIV); }
+udiv            { RET_TOK( UDIV); }
+sdiv            { RET_TOK( SDIV); }
+fdiv            { RET_TOK( FDIV); }
+rem             { RET_TOK( UREM); }
+urem            { RET_TOK( UREM); }
+srem            { RET_TOK( SREM); }
+frem            { RET_TOK( FREM); }
+and             { RET_TOK( AND); }
+or              { RET_TOK( OR); }
+xor             { RET_TOK( XOR); }
+setne           { RET_TOK( SETNE); }
+seteq           { RET_TOK( SETEQ); }
+setlt           { RET_TOK( SETLT); }
+setgt           { RET_TOK( SETGT); }
+setle           { RET_TOK( SETLE); }
+setge           { RET_TOK( SETGE); }
+
+phi             { RET_TOK( PHI_TOK); }
+call            { RET_TOK( CALL); }
+cast            { RET_TOK( TRUNC); }
+select          { RET_TOK( SELECT); }
+shl             { RET_TOK( SHL); }
+lshr            { RET_TOK( LSHR); }
+ashr            { RET_TOK( ASHR); }
+va_arg          { RET_TOK( VAARG); }
+ret             { RET_TOK( RET); }
+br              { RET_TOK( BR); }
+switch          { RET_TOK( SWITCH); }
+invoke          { RET_TOK( INVOKE); }
+unwind          { RET_TOK( UNWIND); }
+unreachable     { RET_TOK( UNREACHABLE); }
+
+malloc          { RET_TOK( MALLOC); }
+alloca          { RET_TOK( ALLOCA); }
+free            { RET_TOK( FREE); }
+load            { RET_TOK( LOAD); }
+store           { RET_TOK( STORE); }
+getelementptr   { RET_TOK( GETELEMENTPTR); }
+
+extractelement  { RET_TOK( EXTRACTELEMENT); }
+insertelement   { RET_TOK( INSERTELEMENT); }
+shufflevector   { RET_TOK( SHUFFLEVECTOR); }
+
+
+{VarID}          { RET_TOK( VAR_ID); }
+{Label}          { RET_TOK( LABELSTR); }
+{QuoteLabel}     { RET_TOK( LABELSTR); }
+{StringConstant} { RET_TOK( STRINGCONSTANT ); }
+{PInteger}       { RET_TOK( EUINT64VAL ); }
+{NInteger}       { RET_TOK( ESINT64VAL ); }
+{HexIntConstant} { RET_TOK( yytext[0] == 's' ? ESINT64VAL : EUINT64VAL ); }
+{EPInteger}      { RET_TOK( UINTVAL); }
+{ENInteger}      { RET_TOK( SINTVAL); }
+{FPConstant}     { RET_TOK( FPVAL); }
+{HexFPConstant}  { RET_TOK( FPVAL); }
+<<EOF>>          {
+                  /* Make sure to free the internal buffers for flex when we are
+                   * done reading our input!
+                   */
+                  yy_delete_buffer(YY_CURRENT_BUFFER);
+                  return EOF;
+                }
+
+[ \r\t\n]       { /* Ignore whitespace */ }
+.               { return yytext[0]; }
+
+%%