Add back FreezeScript/Scanner.cpp removed in previous commit

1 files changed, 2253 insertions, 0 deletions

diff --git a/cpp/src/FreezeScript/Scanner.cpp b/cpp/src/FreezeScript/Scanner.cpp
new file mode 100644
index 00000000000..0a4bc104454
--- /dev/null
+++ b/cpp/src/FreezeScript/Scanner.cpp
@@ -0,0 +1,2253 @@
+#include <IceUtil/ScannerConfig.h>
+#line 2 "lex.yy.c"
+
+#line 4 "lex.yy.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define yy_create_buffer freeze_script__create_buffer
+#define yy_delete_buffer freeze_script__delete_buffer
+#define yy_flex_debug freeze_script__flex_debug
+#define yy_init_buffer freeze_script__init_buffer
+#define yy_flush_buffer freeze_script__flush_buffer
+#define yy_load_buffer_state freeze_script__load_buffer_state
+#define yy_switch_to_buffer freeze_script__switch_to_buffer
+#define yyin freeze_script_in
+#define yyleng freeze_script_leng
+#define yylex freeze_script_lex
+#define yylineno freeze_script_lineno
+#define yyout freeze_script_out
+#define yyrestart freeze_script_restart
+#define yytext freeze_script_text
+#define yywrap freeze_script_wrap
+#define yyalloc freeze_script_alloc
+#define yyrealloc freeze_script_realloc
+#define yyfree freeze_script_free
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* end standard C headers. */
+
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif	/* defined (__STDC__) */
+#endif	/* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN (yy_start) = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START (((yy_start) - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE freeze_script_restart(freeze_script_in  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+extern int freeze_script_leng;
+
+extern FILE *freeze_script_in, *freeze_script_out;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up freeze_script_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
+		YY_RESTORE_YY_MORE_OFFSET \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up freeze_script_text again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via freeze_script_restart()), so that the user can continue scanning by
+	 * just pointing freeze_script_in at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* yy_hold_char holds the character lost when freeze_script_text is formed. */
+static char yy_hold_char;
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+int freeze_script_leng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 0;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow freeze_script_wrap()'s to do buffer switches
+ * instead of setting up a fresh freeze_script_in.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void freeze_script_restart (FILE *input_file  );
+void freeze_script__switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE freeze_script__create_buffer (FILE *file,int size  );
+void freeze_script__delete_buffer (YY_BUFFER_STATE b  );
+void freeze_script__flush_buffer (YY_BUFFER_STATE b  );
+void freeze_script_push_buffer_state (YY_BUFFER_STATE new_buffer  );
+void freeze_script_pop_buffer_state (void );
+
+static void freeze_script_ensure_buffer_stack (void );
+static void freeze_script__load_buffer_state (void );
+static void freeze_script__init_buffer (YY_BUFFER_STATE b,FILE *file  );
+
+#define YY_FLUSH_BUFFER freeze_script__flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE freeze_script__scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE freeze_script__scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE freeze_script__scan_bytes (yyconst char *bytes,int len  );
+
+void *freeze_script_alloc (yy_size_t  );
+void *freeze_script_realloc (void *,yy_size_t  );
+void freeze_script_free (void *  );
+
+#define yy_new_buffer freeze_script__create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        freeze_script_ensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            freeze_script__create_buffer(freeze_script_in,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        freeze_script_ensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            freeze_script__create_buffer(freeze_script_in,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+#define freeze_script_wrap(n) 1
+#define YY_SKIP_YYWRAP
+
+typedef unsigned char YY_CHAR;
+
+FILE *freeze_script_in = (FILE *) 0, *freeze_script_out = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int freeze_script_lineno;
+
+int freeze_script_lineno = 1;
+
+extern char *freeze_script_text;
+#define yytext_ptr freeze_script_text
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up freeze_script_text.
+ */
+#define YY_DO_BEFORE_ACTION \
+	(yytext_ptr) = yy_bp; \
+	freeze_script_leng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
+	*yy_cp = '\0'; \
+	(yy_c_buf_p) = yy_cp;
+
+#define YY_NUM_RULES 26
+#define YY_END_OF_BUFFER 27
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[51] =
+    {   0,
+        0,    0,   27,   25,    8,    8,   25,    4,   19,    5,
+       20,   21,   17,   15,   16,   25,   18,    6,    6,   25,
+        9,   25,   10,    3,   22,   23,   14,    0,    6,    6,
+        7,    2,    1,    7,    6,    0,    0,   24,   11,   13,
+       12,    3,    0,    7,    0,    7,    6,    0,    7,    0
+    } ;
+
+static yyconst flex_int32_t yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        2,    2,    2,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    4,    5,    1,    1,    6,    1,    7,    8,
+        9,   10,   11,    1,   12,   13,   14,   15,   16,   16,
+       16,   16,   16,   16,   16,   17,   17,   18,    1,   19,
+       20,   21,    1,    1,   22,   22,   22,   22,   23,   24,
+       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
+       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
+       26,    1,   27,    1,   25,    1,   22,   22,   22,   22,
+
+       28,   24,   25,   25,   25,   25,   25,   25,   25,   25,
+       25,   25,   25,   25,   25,   25,   25,   25,   25,   29,
+       25,   25,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yyconst flex_int32_t yy_meta[30] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        2,    2,    1,    1,    3,    3,    3,    1,    1,    1,
+        1,    4,    4,    4,    5,    1,    1,    4,    5
+    } ;
+
+static yyconst flex_int16_t yy_base[55] =
+    {   0,
+        0,    0,   72,  104,  104,  104,   51,  104,  104,  104,
+      104,  104,  104,   17,   22,   25,   33,   35,   30,   44,
+       29,   24,   16,    0,  104,  104,  104,   38,    0,    0,
+       50,  104,  104,    0,    2,   45,    0,  104,  104,  104,
+      104,    0,   49,  104,   53,   60,    0,   64,   70,  104,
+       92,   96,   97,  100
+    } ;
+
+static yyconst flex_int16_t yy_def[55] =
+    {   0,
+       50,    1,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   18,   50,
+       50,   50,   50,   51,   50,   50,   50,   50,   18,   19,
+       50,   50,   50,   31,   18,   52,   53,   50,   50,   50,
+       50,   51,   54,   50,   50,   50,   53,   50,   50,    0,
+       50,   50,   50,   50
+    } ;
+
+static yyconst flex_int16_t yy_nxt[134] =
+    {   0,
+        4,    5,    6,    7,    8,    9,   10,   11,   12,   13,
+       14,   15,   16,   17,   18,   19,   19,   20,   21,   22,
+       23,   24,   24,   24,   24,   25,   26,   24,   24,   28,
+       50,   29,   30,   30,   28,   41,   29,   30,   30,   31,
+       31,   31,   32,   40,   30,   30,   33,   34,   39,   35,
+       35,   30,   31,   31,   31,   45,   45,   36,   50,   48,
+       48,   38,   36,   37,   31,   31,   31,   46,   46,   46,
+       27,   50,   43,   44,   46,   46,   46,   43,   49,   49,
+       49,   50,   50,   44,   49,   49,   49,   50,   50,   50,
+       50,   50,   50,   44,   42,   42,   42,   46,   46,   47,
+
+       47,   49,   49,    3,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50
+    } ;
+
+static yyconst flex_int16_t yy_chk[134] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,   14,
+       35,   14,   14,   14,   15,   23,   15,   15,   15,   16,
+       16,   16,   17,   22,   19,   19,   17,   18,   21,   18,
+       18,   18,   28,   28,   28,   36,   36,   18,   19,   43,
+       43,   20,   18,   18,   31,   31,   31,   45,   45,   45,
+        7,    3,   31,   31,   46,   46,   46,   31,   48,   48,
+       48,    0,    0,   46,   49,   49,   49,    0,    0,    0,
+        0,    0,    0,   49,   51,   51,   51,   52,   52,   53,
+
+       53,   54,   54,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50,   50,   50,   50,   50,   50,   50,   50,
+       50,   50,   50
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int freeze_script__flex_debug;
+int freeze_script__flex_debug = 0;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *freeze_script_text;
+#line 1 "Scanner.l"
+#line 2 "Scanner.l"
+
+// **********************************************************************
+//
+// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <FreezeScript/GrammarUtil.h>        // Before Grammar.h, so that YYSTYPE is defined
+#include <FreezeScript/Grammar.h>
+#include <IceUtil/InputUtil.h>
+
+#include <stdlib.h>
+#include <math.h>
+
+#include <map>
+
+#if defined(_MSC_VER) && defined(ICE_64)
+//
+// '=' : conversion from 'size_t' to 'int', possible loss of data
+// The result of fread() is a size_t and gets inserted into an int
+//
+#   pragma warning( 4 : 4267 )
+//
+// 'initializing' : conversion from '__int64' to 'int', possible loss of data
+// Puts a pointer-difference into an int
+//
+#   pragma warning( 4 : 4244 )
+#endif
+
+#ifdef _MSC_VER
+#   ifdef freeze_script_wrap
+#      undef freeze_script_wrap
+#      define freeze_script_wrap() 1
+#   endif
+#   define YY_NO_UNISTD_H
+#endif
+
+#ifdef __SUNPRO_CC
+#   ifdef freeze_script_wrap
+#      undef freeze_script_wrap
+#      define freeze_script_wrap() 1
+#   endif
+#   ifdef ICE_64
+#       pragma error_messages(off,truncwarn)
+#   endif
+#endif
+
+using namespace std;
+using namespace FreezeScript;
+
+namespace FreezeScript
+{
+
+typedef map<string, int> KeywordMap;
+static KeywordMap keywordMap;
+
+void initScanner();
+int checkKeyword(const string&);
+StringTokPtr parseString(char);
+
+}
+
+#define        YY_USER_INIT initScanner();
+
+#define        YY_INPUT(buf, result, max_size) { result = getInput(buf, max_size); }
+#line 585 "lex.yy.c"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals (void );
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int freeze_script_lex_destroy (void );
+
+int freeze_script_get_debug (void );
+
+void freeze_script_set_debug (int debug_flag  );
+
+YY_EXTRA_TYPE freeze_script_get_extra (void );
+
+void freeze_script_set_extra (YY_EXTRA_TYPE user_defined  );
+
+FILE *freeze_script_get_in (void );
+
+void freeze_script_set_in  (FILE * in_str  );
+
+FILE *freeze_script_get_out (void );
+
+void freeze_script_set_out  (FILE * out_str  );
+
+int freeze_script_get_leng (void );
+
+char *freeze_script_get_text (void );
+
+int freeze_script_get_lineno (void );
+
+void freeze_script_set_lineno (int line_number  );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int freeze_script_wrap (void );
+#else
+extern int freeze_script_wrap (void );
+#endif
+#endif
+
+    static void yyunput (int c,char *buf_ptr  );
+    
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO do { if (fwrite( freeze_script_text, freeze_script_leng, 1, freeze_script_out )) {} } while (0)
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+		{ \
+		int c = '*'; \
+		unsigned n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( freeze_script_in )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( freeze_script_in ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = fread(buf, 1, max_size, freeze_script_in))==0 && ferror(freeze_script_in)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(freeze_script_in); \
+			} \
+		}\
+\
+
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* end tables serialization structures and prototypes */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+
+extern int freeze_script_lex (void);
+
+#define YY_DECL int freeze_script_lex (void)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after freeze_script_text and freeze_script_leng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+    
+#line 83 "Scanner.l"
+
+
+#line 770 "lex.yy.c"
+
+	if ( !(yy_init) )
+		{
+		(yy_init) = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
+
+		if ( ! freeze_script_in )
+			freeze_script_in = stdin;
+
+		if ( ! freeze_script_out )
+			freeze_script_out = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			freeze_script_ensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				freeze_script__create_buffer(freeze_script_in,YY_BUF_SIZE );
+		}
+
+		freeze_script__load_buffer_state( );
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = (yy_c_buf_p);
+
+		/* Support of freeze_script_text. */
+		*yy_cp = (yy_hold_char);
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = (yy_start);
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 51 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_current_state != 50 );
+		yy_cp = (yy_last_accepting_cpos);
+		yy_current_state = (yy_last_accepting_state);
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+
+		YY_DO_BEFORE_ACTION;
+
+do_action:	/* This label is used only to access EOF actions. */
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 85 "Scanner.l"
+{
+    // C++-style comment
+    int c;
+    do
+    {
+        c = yyinput();
+        if(c == '\n')
+        {
+            parseLine++;
+        }
+    }
+    while(c != '\n' && c != EOF);
+}
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 99 "Scanner.l"
+{
+    // C-style comment
+    while(true)
+    {
+        int c = yyinput();
+        if(c == '\n')
+        {
+            parseLine++;
+        }
+        else if(c == '*')
+        {
+            int next = yyinput();
+            if(next == '/')
+            {
+                break;
+            }
+            else
+            {
+                unput(next);
+            }
+        }
+        else if(c == EOF)
+        {
+            parseErrorReporter->expressionSyntaxError("EOF in comment");
+            break;
+        }
+    }
+}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 128 "Scanner.l"
+{
+    StringTokPtr ident = new StringTok;
+    ident->v = freeze_script_text;
+    *yylvalp = ident;
+    return checkKeyword(ident->v);
+}
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 135 "Scanner.l"
+{
+    StringTokPtr str = parseString('"');
+    *yylvalp = str;
+    return TOK_STRING_LITERAL;
+}
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 141 "Scanner.l"
+{
+    StringTokPtr str = parseString('\'');
+    *yylvalp = str;
+    return TOK_STRING_LITERAL;
+}
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 147 "Scanner.l"
+{
+    IntegerTokPtr itp = new IntegerTok;
+    *yylvalp = itp;
+    if(!IceUtilInternal::stringToInt64(string(freeze_script_text), itp->v))
+    {
+	assert(itp->v != 0);
+        string msg = "integer constant `";
+        msg += freeze_script_text;
+        msg += "' out of range";
+        parseErrorReporter->expressionSyntaxError(msg);
+    }
+    return TOK_INTEGER_LITERAL;
+}
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 161 "Scanner.l"
+{
+    errno = 0;
+    FloatingTokPtr ftp = new FloatingTok;
+    *yylvalp = ftp;
+    string literal(freeze_script_text);
+    char lastChar = literal[literal.size() - 1];
+    if(lastChar == 'f' || lastChar == 'F')
+    {
+        literal = literal.substr(0, literal.size() - 1);        // Clobber trailing 'f' or 'F' suffix
+    }
+    ftp->v = strtod(literal.c_str(), 0);
+    if((ftp->v == HUGE_VAL || ftp->v == -HUGE_VAL) && errno == ERANGE)
+    {
+        string msg = "floating-point constant `";
+        msg += freeze_script_text;
+        msg += "' too large (overflow)";
+        parseErrorReporter->expressionSyntaxError(msg);
+    }
+    else if(ftp->v == 0 && errno == ERANGE)
+    {
+        string msg = "floating-point constant `";
+        msg += freeze_script_text;
+        msg += "' too small (underflow)";
+        parseErrorReporter->expressionSyntaxError(msg);
+    }
+    return TOK_FLOATING_POINT_LITERAL;
+}
+	YY_BREAK
+case 8:
+/* rule 8 can match eol */
+YY_RULE_SETUP
+#line 189 "Scanner.l"
+{
+    // Igore white-space
+    
+    if(freeze_script_text[0] == '\n')
+    {
+        parseLine++;
+    }
+}
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 198 "Scanner.l"
+return TOK_LESS_THAN;
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 199 "Scanner.l"
+return TOK_GREATER_THAN;
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 200 "Scanner.l"
+return TOK_LESS_EQUAL;
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 201 "Scanner.l"
+return TOK_GREATER_EQUAL;
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 202 "Scanner.l"
+return TOK_EQUAL;
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 203 "Scanner.l"
+return TOK_NEQ;
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 204 "Scanner.l"
+return TOK_ADD;
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 205 "Scanner.l"
+return TOK_SUB;
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 206 "Scanner.l"
+return TOK_MUL;
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 207 "Scanner.l"
+return TOK_DIV;
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 208 "Scanner.l"
+return TOK_MOD;
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 209 "Scanner.l"
+return TOK_LPAREN;
+	YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 210 "Scanner.l"
+return TOK_RPAREN;
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 211 "Scanner.l"
+return TOK_LBRACKET;
+	YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 212 "Scanner.l"
+return TOK_RBRACKET;
+	YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 213 "Scanner.l"
+return TOK_SCOPE_DELIMITER;
+	YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 215 "Scanner.l"
+{
+    return freeze_script_text[0];
+}
+	YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 219 "Scanner.l"
+ECHO;
+	YY_BREAK
+#line 1079 "lex.yy.c"
+case YY_STATE_EOF(INITIAL):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = (yy_hold_char);
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed freeze_script_in at a new source and called
+			 * freeze_script_lex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = freeze_script_in;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state(  );
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++(yy_c_buf_p);
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = (yy_last_accepting_cpos);
+				yy_current_state = (yy_last_accepting_state);
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer(  ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				(yy_did_buffer_switch_on_eof) = 0;
+
+				if ( freeze_script_wrap( ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * freeze_script_text, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
+
+				yy_current_state = yy_get_previous_state(  );
+
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+} /* end of freeze_script_lex */
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+	else
+		{
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
+
+			int yy_c_buf_p_offset =
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					freeze_script_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
+						number_to_move - 1;
+
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), (size_t) num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	if ( (yy_n_chars) == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			freeze_script_restart(freeze_script_in  );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) freeze_script_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
+
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+	return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+    static yy_state_type yy_get_previous_state (void)
+{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
+
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 51 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+}
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
+	register int yy_is_jam;
+    	register char *yy_cp = (yy_c_buf_p);
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 51 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 50);
+
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+    static void yyunput (int c, register char * yy_bp )
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
+
+	/* undo effects of setting up freeze_script_text */
+	*yy_cp = (yy_hold_char);
+
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register int number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+		register char *source =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
+
+		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
+
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
+
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
+			/* This was really a NUL. */
+			*(yy_c_buf_p) = '\0';
+
+		else
+			{ /* need more input */
+			int offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
+
+			switch ( yy_get_next_buffer(  ) )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					freeze_script_restart(freeze_script_in );
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( freeze_script_wrap( ) )
+						return EOF;
+
+					if ( ! (yy_did_buffer_switch_on_eof) )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					(yy_c_buf_p) = (yytext_ptr) + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve freeze_script_text */
+	(yy_hold_char) = *++(yy_c_buf_p);
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void freeze_script_restart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        freeze_script_ensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            freeze_script__create_buffer(freeze_script_in,YY_BUF_SIZE );
+	}
+
+	freeze_script__init_buffer(YY_CURRENT_BUFFER,input_file );
+	freeze_script__load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void freeze_script__switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		freeze_script_pop_buffer_state();
+	 *		freeze_script_push_buffer_state(new_buffer);
+     */
+	freeze_script_ensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	freeze_script__load_buffer_state( );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (freeze_script_wrap()) processing, but the only time this flag
+	 * is looked at is after freeze_script_wrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+static void freeze_script__load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	freeze_script_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE freeze_script__create_buffer  (FILE * file, int  size )
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) freeze_script_alloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in freeze_script__create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) freeze_script_alloc(b->yy_buf_size + 2  );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in freeze_script__create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	freeze_script__init_buffer(b,file );
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with freeze_script__create_buffer()
+ * 
+ */
+    void freeze_script__delete_buffer (YY_BUFFER_STATE  b )
+{
+    
+	if ( ! b )
+		return;
+
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		freeze_script_free((void *) b->yy_ch_buf  );
+
+	freeze_script_free((void *) b  );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a freeze_script_restart() or at EOF.
+ */
+    static void freeze_script__init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+
+{
+	int oerrno = errno;
+    
+	freeze_script__flush_buffer(b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then freeze_script__init_buffer was _probably_
+     * called from freeze_script_restart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = 0;
+    
+	errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void freeze_script__flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == YY_CURRENT_BUFFER )
+		freeze_script__load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void freeze_script_push_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	freeze_script_ensure_buffer_stack();
+
+	/* This block is copied from freeze_script__switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from freeze_script__switch_to_buffer. */
+	freeze_script__load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void freeze_script_pop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	freeze_script__delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		freeze_script__load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void freeze_script_ensure_buffer_stack (void)
+{
+	int num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)freeze_script_alloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in freeze_script_ensure_buffer_stack()" );
+								  
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
+	}
+
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)freeze_script_realloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		if ( ! (yy_buffer_stack) )
+			YY_FATAL_ERROR( "out of dynamic memory in freeze_script_ensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE freeze_script__scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) freeze_script_alloc(sizeof( struct yy_buffer_state )  );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in freeze_script__scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	freeze_script__switch_to_buffer(b  );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to freeze_script_lex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       freeze_script__scan_bytes() instead.
+ */
+YY_BUFFER_STATE freeze_script__scan_string (yyconst char * yystr )
+{
+    
+	return freeze_script__scan_bytes(yystr,strlen(yystr) );
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to freeze_script_lex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE freeze_script__scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = _yybytes_len + 2;
+	buf = (char *) freeze_script_alloc(n  );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in freeze_script__scan_bytes()" );
+
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
+
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = freeze_script__scan_buffer(buf,n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in freeze_script__scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up freeze_script_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		freeze_script_text[freeze_script_leng] = (yy_hold_char); \
+		(yy_c_buf_p) = freeze_script_text + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		freeze_script_leng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the current line number.
+ * 
+ */
+int freeze_script_get_lineno  (void)
+{
+        
+    return freeze_script_lineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *freeze_script_get_in  (void)
+{
+        return freeze_script_in;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *freeze_script_get_out  (void)
+{
+        return freeze_script_out;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int freeze_script_get_leng  (void)
+{
+        return freeze_script_leng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *freeze_script_get_text  (void)
+{
+        return freeze_script_text;
+}
+
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void freeze_script_set_lineno (int  line_number )
+{
+    
+    freeze_script_lineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see freeze_script__switch_to_buffer
+ */
+void freeze_script_set_in (FILE *  in_str )
+{
+        freeze_script_in = in_str ;
+}
+
+void freeze_script_set_out (FILE *  out_str )
+{
+        freeze_script_out = out_str ;
+}
+
+int freeze_script_get_debug  (void)
+{
+        return freeze_script__flex_debug;
+}
+
+void freeze_script_set_debug (int  bdebug )
+{
+        freeze_script__flex_debug = bdebug ;
+}
+
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from freeze_script_lex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    freeze_script_in = stdin;
+    freeze_script_out = stdout;
+#else
+    freeze_script_in = (FILE *) 0;
+    freeze_script_out = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * freeze_script_lex_init()
+     */
+    return 0;
+}
+
+/* freeze_script_lex_destroy is for both reentrant and non-reentrant scanners. */
+int freeze_script_lex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		freeze_script__delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		freeze_script_pop_buffer_state();
+	}
+
+	/* Destroy the stack itself. */
+	freeze_script_free((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * freeze_script_lex() is called, initialization will occur. */
+    yy_init_globals( );
+
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *freeze_script_alloc (yy_size_t  size )
+{
+	return (void *) malloc( size );
+}
+
+void *freeze_script_realloc  (void * ptr, yy_size_t  size )
+{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+}
+
+void freeze_script_free (void * ptr )
+{
+	free( (char *) ptr );	/* see freeze_script_realloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 219 "Scanner.l"
+
+
+
+namespace FreezeScript
+{
+
+void
+initScanner()
+{
+    keywordMap["true"] = TOK_TRUE;
+    keywordMap["false"] = TOK_FALSE;
+    keywordMap["and"] = TOK_AND;
+    keywordMap["or"] = TOK_OR;
+    keywordMap["not"] = TOK_NOT;
+    keywordMap["nil"] = TOK_NIL;
+}
+
+int
+checkKeyword(const string& id)
+{
+    KeywordMap::const_iterator pos = keywordMap.find(id);
+    if(pos != keywordMap.end())
+    {
+        return pos->second;
+    }
+    return TOK_IDENTIFIER;
+}
+
+StringTokPtr
+parseString(char start)
+{
+    StringTokPtr str = new StringTok;
+    while(true)
+    {
+        char c = static_cast<char>(yyinput());
+        if(c == start)
+        {
+            break;
+        }
+        else if(c == EOF)
+        {
+            parseErrorReporter->expressionSyntaxError("EOF in string");
+            break;
+        }
+        else if(c == '\n')
+        {
+            parseErrorReporter->expressionSyntaxError("newline in string");
+        }
+        else if(c == '\\')
+        {
+            char next = static_cast<char>(yyinput());
+            switch(next)
+            {
+                case '\\':
+                case '"':
+                case '\'':
+                {
+                    str->v += next;
+                    break;
+                }
+            
+                case 'n':
+                {
+                    str->v += '\n';
+                    break;
+                }
+            
+                case 'r':
+                {
+                    str->v += '\r';
+                    break;
+                }
+
+                case 't':
+                {
+                    str->v += '\t';
+                    break;
+                }
+            
+                case 'v':
+                {
+                    str->v += '\v';
+                    break;
+                }
+            
+                case 'f':
+                {
+                    str->v += '\f';
+                    break;
+                }
+
+                case 'a':
+                {
+                    str->v += '\a';
+                    break;
+                }
+
+                case 'b':
+                {
+                    str->v += '\b';
+                    break;
+                }
+
+                case '?':
+                {
+                    str->v += '\?';
+                    break;
+                }
+
+                case '0':
+                case '1':
+                case '2':
+                case '3':
+                {
+                    static string octalDigits = "01234567";
+                    unsigned short us = next - '0';
+                    if(octalDigits.find_first_of(next = static_cast<char>(yyinput())) != string::npos)
+                    {
+                        us = us * 8 + next - '0';
+                        if(octalDigits.find_first_of(next = static_cast<char>(yyinput())) != string::npos)
+                        {
+                            us = us * 8 + next - '0';
+                        }
+                        else
+                        {
+                            unput(next);
+                        }
+                    }
+                    else
+                    {
+                            unput(next);
+                    }
+                    str->v += static_cast<char>(us);
+                    break;
+                }
+                case 'x':
+                {
+                    IceUtil::Int64 ull = 0;
+                    while(isxdigit(static_cast<unsigned char>(next = static_cast<char>(yyinput()))))
+                    {
+                        ull *= 16;
+                        if(isdigit(static_cast<unsigned char>(next)))
+                        {
+                            ull += next - '0';
+                        }
+                        else if(islower(static_cast<unsigned char>(next)))
+                        {
+                            ull += next - 'a' + 10;
+                        }
+                        else
+                        {
+                            ull += next - 'A' + 10;
+                        }
+                    }
+                    unput(next);
+                    str->v += static_cast<char>(ull);
+                    break;
+                }
+        
+                // TODO: add universal character names
+            
+                default:
+                {
+                    str->v += c;
+                    unput(next);
+                }
+            }
+        }
+        else
+        {
+            str->v += c;
+        }
+    }
+
+    return str;
+}
+
+} // End of namespace FreezeScript
+