81352 - homework 2 (#32)

* fix(hw1): use yyextra instead global variable

* hw2: extended the typescript syntax highlighter with collapsible block structures

20 files changed, 4364 insertions, 297 deletions

diff --git a/homework/81352/README.md b/homework/81352/README.md
index 8fbe10c..344613b 100644
--- a/homework/81352/README.md
+++ b/homework/81352/README.md
@@ -1,2 +1,3 @@
 # Dimitar Milev's homeworks
-### [Homework 1](../ts2html)
\ No newline at end of file
+### [Homework 1](./ts2html-hw1)
+### [Homework 2](./ts2html-hw2)
diff --git a/homework/81352/ts2html/README.md b/homework/81352/ts2html-hw1/README.md
index 5b22712..5b22712 100644
--- a/homework/81352/ts2html/README.md
+++ b/homework/81352/ts2html-hw1/README.md
diff --git a/homework/81352/ts2html/example.ts b/homework/81352/ts2html-hw1/example.ts
index 5cbb6e0..5cbb6e0 100644
--- a/homework/81352/ts2html/example.ts
+++ b/homework/81352/ts2html-hw1/example.ts
diff --git a/homework/81352/ts2html/flex.sh b/homework/81352/ts2html-hw1/flex.sh
index 81f15b3..81f15b3 100755
--- a/homework/81352/ts2html/flex.sh
+++ b/homework/81352/ts2html-hw1/flex.sh
diff --git a/homework/81352/ts2html/highlighter.cpp b/homework/81352/ts2html-hw1/highlighter.cpp
index 6c44066..6c44066 100644
--- a/homework/81352/ts2html/highlighter.cpp
+++ b/homework/81352/ts2html-hw1/highlighter.cpp
diff --git a/homework/81352/ts2html/highlighter.h b/homework/81352/ts2html-hw1/highlighter.h
index 3a0e476..3a0e476 100644
--- a/homework/81352/ts2html/highlighter.h
+++ b/homework/81352/ts2html-hw1/highlighter.h
diff --git a/homework/81352/ts2html-hw1/lex.yy.c b/homework/81352/ts2html-hw1/lex.yy.c
new file mode 100644
index 0000000..8d2fe22
--- /dev/null
+++ b/homework/81352/ts2html-hw1/lex.yy.c
@@ -0,0 +1,2257 @@
+
+#line 3 "lex.yy.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 6
+#define YY_FLEX_SUBMINOR_VERSION 0
+#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;
+
+/* 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 /* ! C99 */
+
+#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)
+
+/* An opaque pointer. */
+#ifndef YY_TYPEDEF_YY_SCANNER_T
+#define YY_TYPEDEF_YY_SCANNER_T
+typedef void* yyscan_t;
+#endif
+
+/* For convenience, these vars (plus the bison vars far below)
+   are macros in the reentrant scanner. */
+#define yyin yyg->yyin_r
+#define yyout yyg->yyout_r
+#define yyextra yyg->yyextra_r
+#define yyleng yyg->yyleng_r
+#define yytext yyg->yytext_r
+#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
+#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
+#define yy_flex_debug yyg->yy_flex_debug_r
+
+/* 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 yyg->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 ((yyg->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 yyrestart(yyin ,yyscanner )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
+#define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
+#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
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    #define YY_LINENO_REWIND_TO(ptr)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = yyg->yy_hold_char; \
+		YY_RESTORE_YY_MORE_OFFSET \
+		yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
+
+#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 yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+
+	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* 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 ( yyg->yy_buffer_stack \
+                          ? yyg->yy_buffer_stack[yyg->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 yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
+
+void yyrestart (FILE *input_file ,yyscan_t yyscanner );
+void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_create_buffer (FILE *file,int size ,yyscan_t yyscanner );
+void yy_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yy_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );
+void yypop_buffer_state (yyscan_t yyscanner );
+
+static void yyensure_buffer_stack (yyscan_t yyscanner );
+static void yy_load_buffer_state (yyscan_t yyscanner );
+static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );
+
+#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
+
+YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );
+YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner );
+
+void *yyalloc (yy_size_t ,yyscan_t yyscanner );
+void *yyrealloc (void *,yy_size_t ,yyscan_t yyscanner );
+void yyfree (void * ,yyscan_t yyscanner );
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        yyensure_buffer_stack (yyscanner); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! YY_CURRENT_BUFFER ){\
+        yyensure_buffer_stack (yyscanner); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
+
+typedef unsigned char YY_CHAR;
+
+typedef int yy_state_type;
+
+#define yytext_ptr yytext_r
+
+static yy_state_type yy_get_previous_state (yyscan_t yyscanner );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  ,yyscan_t yyscanner);
+static int yy_get_next_buffer (yyscan_t yyscanner );
+#if defined(__GNUC__) && __GNUC__ >= 3
+__attribute__((__noreturn__))
+#endif
+static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	yyg->yytext_ptr = yy_bp; \
+	yyleng = (size_t) (yy_cp - yy_bp); \
+	yyg->yy_hold_char = *yy_cp; \
+	*yy_cp = '\0'; \
+	yyg->yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 17
+#define YY_END_OF_BUFFER 18
+/* 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[255] =
+    {   0,
+        0,    0,   18,   16,   15,   14,    8,   16,    7,    8,
+        8,   16,   12,   13,    8,    8,    8,    8,    8,    5,
+        9,    8,    8,    8,   16,    8,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,   10,    8,   11,   15,    8,
+        0,    4,    0,    7,    8,    0,    0,    0,    1,    6,
+        5,    8,    8,    8,    3,    7,    2,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    2,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+
+        7,    7,    7,    7,    7,    4,    4,    0,    0,    1,
+        6,    8,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    1,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    2,
+        7,    7,    7,    2,    7,    7,    7,    7,    7,    7,
+
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        7,    7,    7,    0
+    } ;
+
+static yyconst YY_CHAR yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    4,    5,    1,    6,    7,    8,    9,   10,
+       11,   12,   13,    1,   14,   15,   16,   17,   17,   17,
+       17,   17,   17,   17,   17,   17,   17,   18,   19,   20,
+       21,   22,   23,   24,   25,   25,   25,   25,   25,   25,
+       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
+       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
+        1,   26,    1,   27,    6,    1,   28,   29,   30,   31,
+
+       32,   33,   34,   35,   36,   25,   37,   38,   39,   40,
+       41,   42,   43,   44,   45,   46,   47,   48,   49,   50,
+       51,   25,   52,   53,   54,   55,    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 YY_CHAR yy_meta[56] =
+    {   0,
+        1,    1,    2,    1,    1,    3,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    3,    1,    1,    1,
+        1,    1,    1,    1,    4,    1,    1,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    1,    1,    1,    1
+    } ;
+
+static yyconst flex_uint16_t yy_base[261] =
+    {   0,
+        0,    0,  365,  366,  362,  366,  342,   51,    0,  341,
+       49,   49,  366,  366,  340,   46,   47,  366,   48,   48,
+      366,   51,   52,   57,    0,  339,   36,   39,   54,   52,
+       47,   58,  327,   67,  326,  316,   56,  323,   68,  323,
+       72,   66,   70,   54,  318,  366,   87,  366,  351,  331,
+      104,  366,  108,    0,  366,  105,  107,  339,    0,  333,
+      105,  328,  327,  103,    0,  296,    0,  305,  313,   81,
+      316,  303,   99,  297,  294,   20,  302,  299,  294,  296,
+      296,  289,  292,   90,  287,  301,  282,  100,  300,  105,
+      300,   99,  282,  115,  285,  290,  286,  108,  100,  282,
+
+      279,  286,  285,  274,  287,  143,  140,  306,  138,    0,
+      300,  295,  277,  286,  281,  282,  266,  110,  263,  271,
+      280,  275,  274,  266,  263,  271,  257,  273,  261,  269,
+      119,  252,  265,  249,  257,  265,  256,  244,  245,  252,
+      242,  241,  241,  250,  253,  238,  254,  237,  240,  248,
+      247,  247,  239,  241,  237,  262,  241,  235,  236,  225,
+      223,  232,  233,  238,  218,  218,  219,  222,  229,  222,
+      213,  226,  213,  228,  211,  216,  221,  224,  223,  218,
+      213,  212,  203,  210,  205,  200,  213,  201,  192,  199,
+      207,  207,  209,  192,  195,  200,  189,  194,  199,  184,
+
+      198,  190,  191,  187,  179,  184,  190,  190,  177,  186,
+      173,  188,  187,  172,  175,  184,  179,  177,  173,  177,
+      169,  161,  160,  174,  173,  158,  158,  151,  160,  168,
+      169,  170,  165,  164,  149,  162,  163,  160,  147,  150,
+      149,  156,  155,  149,  122,  121,  124,  132,  132,  121,
+      116,  125,  109,  366,  169,  171,  175,   87,  179,  183
+    } ;
+
+static yyconst flex_int16_t yy_def[261] =
+    {   0,
+      254,    1,  254,  254,  254,  254,  254,  255,  256,  254,
+      254,  257,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  258,  254,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  254,  254,  254,  254,  254,
+      255,  254,  255,  256,  254,  257,  257,  259,  260,  254,
+      254,  254,  254,  254,  258,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+
+      256,  256,  256,  256,  256,  255,  257,  259,  259,  260,
+      254,  254,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  259,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      256,  256,  256,    0,  254,  254,  254,  254,  254,  254
+    } ;
+
+static yyconst flex_uint16_t yy_nxt[422] =
+    {   0,
+        4,    5,    6,    7,    8,    9,   10,   11,   12,   13,
+       14,   15,   16,   17,   18,   19,   20,   18,   21,   22,
+       23,   24,   18,   25,    9,    4,   26,   27,   28,   29,
+       30,   31,   32,   33,    9,   34,    9,   35,   36,   37,
+       38,   39,    9,   40,   41,   42,    9,   43,   44,    9,
+       45,   46,   47,   48,   18,   52,   55,   52,   55,   58,
+       55,  125,   60,   59,   61,  126,   55,   55,   55,   55,
+       62,   55,   63,   55,   57,   66,   53,   55,   64,   68,
+       67,   70,   69,   73,   74,   77,   75,   87,  103,  104,
+       65,   71,   67,   78,   72,   89,   76,  101,   79,   67,
+
+       98,   80,   88,   93,   81,   83,   84,   55,   52,   99,
+      102,   90,  106,   52,   91,  107,  100,   94,   95,   60,
+       96,   61,   97,   55,  112,  115,  116,  119,  120,   53,
+       57,  121,   57,   53,  132,  133,  122,  135,  136,   55,
+      138,  141,  143,  148,  142,  139,  150,   52,   52,  109,
+       67,  149,   67,  156,  161,  162,  172,   67,  144,  173,
+       67,  253,   67,   67,  252,   57,  251,  250,   53,   51,
+       51,   51,   51,   54,   54,   56,   56,   56,   56,  108,
+      249,  108,  108,  110,  248,  110,  110,  247,  246,   67,
+       67,   67,  245,   67,  244,   67,   67,  243,  242,  241,
+
+      240,   67,   67,   67,   67,  239,  238,  237,   67,   67,
+       67,   67,   67,   67,   67,  236,   67,  235,  234,  233,
+       67,   67,  232,  231,   67,  230,  229,  228,  227,   67,
+       67,  226,  225,  224,  223,  222,  221,   67,   67,  220,
+       67,  219,  218,   67,  217,  216,  215,  214,  213,  212,
+      211,  210,  209,  208,  207,  206,  205,  204,  203,  202,
+       67,  201,  200,  199,  198,  197,  196,  195,  194,   67,
+       67,   67,  193,  109,  192,   67,  191,   67,  190,   67,
+      189,   67,  188,  187,  186,  185,  184,  183,  182,  181,
+      180,  179,  178,  177,   67,  176,  175,  174,  171,   67,
+
+      170,  169,  168,  167,   67,   67,  166,  165,  164,  163,
+      160,  159,   67,  158,  157,   55,  111,  109,  155,  154,
+      153,  152,   67,  151,  147,  146,  145,   67,  140,  137,
+       67,  134,   67,  131,   67,  130,  129,   67,  128,  127,
+      124,  123,  118,  117,  114,  113,   67,   55,   55,  111,
+      109,   55,   49,  105,   92,   67,   86,   85,   82,   55,
+       55,   55,   50,   49,  254,    3,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254
+    } ;
+
+static yyconst flex_int16_t yy_chk[422] =
+    {   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,    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,    8,   11,   12,   16,   19,
+       17,   76,   20,   19,   20,   76,   16,   17,   19,   11,
+       22,   22,   23,   23,   12,   27,    8,   24,   24,   28,
+       27,   29,   28,   30,   31,   32,   31,   37,   44,   44,
+      258,   29,   30,   32,   29,   39,   31,   43,   32,   34,
+
+       42,   32,   37,   41,   32,   34,   34,   47,   51,   42,
+       43,   39,   53,   56,   39,   57,   42,   41,   41,   61,
+       41,   61,   41,   64,   64,   70,   70,   73,   73,   51,
+       56,   73,   57,   53,   84,   84,   73,   88,   88,   47,
+       90,   92,   94,   98,   92,   90,   99,  106,  107,  109,
+       99,   98,  253,  109,  118,  118,  131,  252,   94,  131,
+      251,  250,  249,  248,  247,  107,  246,  245,  106,  255,
+      255,  255,  255,  256,  256,  257,  257,  257,  257,  259,
+      244,  259,  259,  260,  243,  260,  260,  242,  241,  240,
+      239,  238,  237,  236,  235,  234,  233,  232,  231,  230,
+
+      229,  228,  227,  226,  225,  224,  223,  222,  221,  220,
+      219,  218,  217,  216,  215,  214,  213,  212,  211,  210,
+      209,  208,  207,  206,  205,  204,  203,  202,  201,  200,
+      199,  198,  197,  196,  195,  194,  193,  192,  191,  190,
+      189,  188,  187,  186,  185,  184,  183,  182,  181,  180,
+      179,  178,  177,  176,  175,  174,  173,  172,  171,  170,
+      169,  168,  167,  166,  165,  164,  163,  162,  161,  160,
+      159,  158,  157,  156,  155,  154,  153,  152,  151,  150,
+      149,  148,  147,  146,  145,  144,  143,  142,  141,  140,
+      139,  138,  137,  136,  135,  134,  133,  132,  130,  129,
+
+      128,  127,  126,  125,  124,  123,  122,  121,  120,  119,
+      117,  116,  115,  114,  113,  112,  111,  108,  105,  104,
+      103,  102,  101,  100,   97,   96,   95,   93,   91,   89,
+       87,   86,   85,   83,   82,   81,   80,   79,   78,   77,
+       75,   74,   72,   71,   69,   68,   66,   63,   62,   60,
+       58,   50,   49,   45,   40,   38,   36,   35,   33,   26,
+       15,   10,    7,    5,    3,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      254
+    } ;
+
+/* 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
+#line 1 "ts2html.flex"
+#line 2 "ts2html.flex"
+#include <vector>
+#include <iostream>
+#include "token.h"
+#include "highlighter.h"
+#line 624 "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
+
+#define YY_EXTRA_TYPE std::vector<Token> *
+
+/* Holds the entire state of the reentrant scanner. */
+struct yyguts_t
+    {
+
+    /* User-defined. Not touched by flex. */
+    YY_EXTRA_TYPE yyextra_r;
+
+    /* The rest are the same as the globals declared in the non-reentrant scanner. */
+    FILE *yyin_r, *yyout_r;
+    size_t yy_buffer_stack_top; /**< index of top of stack. */
+    size_t yy_buffer_stack_max; /**< capacity of stack. */
+    YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
+    char yy_hold_char;
+    int yy_n_chars;
+    yy_size_t yyleng_r;
+    char *yy_c_buf_p;
+    int yy_init;
+    int yy_start;
+    int yy_did_buffer_switch_on_eof;
+    int yy_start_stack_ptr;
+    int yy_start_stack_depth;
+    int *yy_start_stack;
+    yy_state_type yy_last_accepting_state;
+    char* yy_last_accepting_cpos;
+
+    int yylineno_r;
+    int yy_flex_debug_r;
+
+    char *yytext_r;
+    int yy_more_flag;
+    int yy_more_len;
+
+    }; /* end struct yyguts_t */
+
+static int yy_init_globals (yyscan_t yyscanner );
+
+int yylex_init (yyscan_t* scanner);
+
+int yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int yylex_destroy (yyscan_t yyscanner );
+
+int yyget_debug (yyscan_t yyscanner );
+
+void yyset_debug (int debug_flag ,yyscan_t yyscanner );
+
+YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner );
+
+void yyset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );
+
+FILE *yyget_in (yyscan_t yyscanner );
+
+void yyset_in  (FILE * _in_str ,yyscan_t yyscanner );
+
+FILE *yyget_out (yyscan_t yyscanner );
+
+void yyset_out  (FILE * _out_str ,yyscan_t yyscanner );
+
+yy_size_t yyget_leng (yyscan_t yyscanner );
+
+char *yyget_text (yyscan_t yyscanner );
+
+int yyget_lineno (yyscan_t yyscanner );
+
+void yyset_lineno (int _line_number ,yyscan_t yyscanner );
+
+int yyget_column  (yyscan_t yyscanner );
+
+void yyset_column (int _column_no ,yyscan_t yyscanner );
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap (yyscan_t yyscanner );
+#else
+extern int yywrap (yyscan_t yyscanner );
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+    
+    static void yyunput (int c,char *buf_ptr  ,yyscan_t yyscanner);
+    
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);
+#endif
+
+#ifndef YY_NO_INPUT
+
+#ifdef __cplusplus
+static int yyinput (yyscan_t yyscanner );
+#else
+static int input (yyscan_t yyscanner );
+#endif
+
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
+#define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
+#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( yytext, yyleng, 1, yyout )) {} } 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 = '*'; \
+		size_t n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else \
+		{ \
+		errno=0; \
+		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(yyin); \
+			} \
+		}\
+\
+
+#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 , yyscanner)
+#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 yylex (yyscan_t yyscanner);
+
+#define YY_DECL int yylex (yyscan_t yyscanner)
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * 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 /*LINTED*/break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+	yy_state_type yy_current_state;
+	char *yy_cp, *yy_bp;
+	int yy_act;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	if ( !yyg->yy_init )
+		{
+		yyg->yy_init = 1;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! yyg->yy_start )
+			yyg->yy_start = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! YY_CURRENT_BUFFER ) {
+			yyensure_buffer_stack (yyscanner);
+			YY_CURRENT_BUFFER_LVALUE =
+				yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+		}
+
+		yy_load_buffer_state(yyscanner );
+		}
+
+	{
+#line 24 "ts2html.flex"
+
+
+#line 886 "lex.yy.c"
+
+	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = yyg->yy_c_buf_p;
+
+		/* Support of yytext. */
+		*yy_cp = yyg->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 = yyg->yy_start;
+yy_match:
+		do
+			{
+			YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
+			if ( yy_accept[yy_current_state] )
+				{
+				yyg->yy_last_accepting_state = yy_current_state;
+				yyg->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 >= 255 )
+					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_base[yy_current_state] != 366 );
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+		if ( yy_act == 0 )
+			{ /* have to back up */
+			yy_cp = yyg->yy_last_accepting_cpos;
+			yy_current_state = yyg->yy_last_accepting_state;
+			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 = yyg->yy_hold_char;
+			yy_cp = yyg->yy_last_accepting_cpos;
+			yy_current_state = yyg->yy_last_accepting_state;
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 26 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::COMMENT));
+}
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 30 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::KEYWORD));
+}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 34 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::DECORATOR));
+}
+	YY_BREAK
+case 4:
+/* rule 4 can match eol */
+YY_RULE_SETUP
+#line 38 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::STRING));
+}
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 42 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::NUMBER));
+}
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 46 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::NUMBER));
+}
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 50 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::IDENTIFIER));
+}
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 54 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::OPERATOR));
+}
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 58 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::SEMICOLON));
+}
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 62 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::LEFT_BLOCK_BRACKET));
+}
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 66 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::RIGHT_BLOCK_BRACKET));
+}
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 70 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::LEFT_BRACKET));
+}
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 74 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::RIGHT_BRACKET));
+}
+	YY_BREAK
+case 14:
+/* rule 14 can match eol */
+YY_RULE_SETUP
+#line 78 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::NEWLINE));
+}
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 82 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::WHITESPACE));
+}
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 86 "ts2html.flex"
+{
+    yyextra->push_back(Token(yytext, TokenType::UNRECOGNIZED));
+}
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 90 "ts2html.flex"
+ECHO;
+	YY_BREAK
+#line 1062 "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 - yyg->yytext_ptr) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = yyg->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 yyin at a new source and called
+			 * yylex().  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.
+			 */
+			yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
+			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 ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state( yyscanner );
+
+			/* 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 , yyscanner);
+
+			yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++yyg->yy_c_buf_p;
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = yyg->yy_c_buf_p;
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer( yyscanner ) )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				yyg->yy_did_buffer_switch_on_eof = 0;
+
+				if ( yywrap(yyscanner ) )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, 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.
+					 */
+					yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! yyg->yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				yyg->yy_c_buf_p =
+					yyg->yytext_ptr + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state( yyscanner );
+
+				yy_cp = yyg->yy_c_buf_p;
+				yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				yyg->yy_c_buf_p =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
+
+				yy_current_state = yy_get_previous_state( yyscanner );
+
+				yy_cp = yyg->yy_c_buf_p;
+				yy_bp = yyg->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 user's declarations */
+} /* end of yylex */
+
+/* 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 (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	char *source = yyg->yytext_ptr;
+	yy_size_t number_to_move, i;
+	int ret_val;
+
+	if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->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 ( yyg->yy_c_buf_p - yyg->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 = (yy_size_t) (yyg->yy_c_buf_p - yyg->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 = yyg->yy_n_chars = 0;
+
+	else
+		{
+			yy_size_t 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_LVALUE;
+
+			int yy_c_buf_p_offset =
+				(int) (yyg->yy_c_buf_p - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				yy_size_t 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. */
+					yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );
+				}
+			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" );
+
+			yyg->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]),
+			yyg->yy_n_chars, num_to_read );
+
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+		}
+
+	if ( yyg->yy_n_chars == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart(yyin  ,yyscanner);
+			}
+
+		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 ((int) (yyg->yy_n_chars + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+		/* Extend the array by 50%, plus the number we really need. */
+		int new_size = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);
+		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );
+		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+	}
+
+	yyg->yy_n_chars += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+	yyg->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 (yyscan_t yyscanner)
+{
+	yy_state_type yy_current_state;
+	char *yy_cp;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	yy_current_state = yyg->yy_start;
+
+	for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->yy_c_buf_p; ++yy_cp )
+		{
+		YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			yyg->yy_last_accepting_state = yy_current_state;
+			yyg->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 >= 255 )
+				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 , yyscan_t yyscanner)
+{
+	int yy_is_jam;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
+	char *yy_cp = yyg->yy_c_buf_p;
+
+	YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		yyg->yy_last_accepting_state = yy_current_state;
+		yyg->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 >= 255 )
+			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 == 254);
+
+	(void)yyg;
+	return yy_is_jam ? 0 : yy_current_state;
+}
+
+#ifndef YY_NO_UNPUT
+
+    static void yyunput (int c, char * yy_bp , yyscan_t yyscanner)
+{
+	char *yy_cp;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+    yy_cp = yyg->yy_c_buf_p;
+
+	/* undo effects of setting up yytext */
+	*yy_cp = yyg->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. */
+		yy_size_t number_to_move = yyg->yy_n_chars + 2;
+		char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
+		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 =
+			yyg->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;
+
+	yyg->yytext_ptr = yy_bp;
+	yyg->yy_hold_char = *yy_cp;
+	yyg->yy_c_buf_p = yy_cp;
+}
+
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (yyscan_t yyscanner)
+#else
+    static int input  (yyscan_t yyscanner)
+#endif
+
+{
+	int c;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	*yyg->yy_c_buf_p = yyg->yy_hold_char;
+
+	if ( *yyg->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 ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
+			/* This was really a NUL. */
+			*yyg->yy_c_buf_p = '\0';
+
+		else
+			{ /* need more input */
+			yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr;
+			++yyg->yy_c_buf_p;
+
+			switch ( yy_get_next_buffer( yyscanner ) )
+				{
+				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. */
+					yyrestart(yyin ,yyscanner);
+
+					/*FALLTHROUGH*/
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap(yyscanner ) )
+						return EOF;
+
+					if ( ! yyg->yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput(yyscanner);
+#else
+					return input(yyscanner);
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) yyg->yy_c_buf_p;	/* cast for 8-bit char's */
+	*yyg->yy_c_buf_p = '\0';	/* preserve yytext */
+	yyg->yy_hold_char = *++yyg->yy_c_buf_p;
+
+	return c;
+}
+#endif	/* ifndef YY_NO_INPUT */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * @param yyscanner The scanner object.
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void yyrestart  (FILE * input_file , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	if ( ! YY_CURRENT_BUFFER ){
+        yyensure_buffer_stack (yyscanner);
+		YY_CURRENT_BUFFER_LVALUE =
+            yy_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);
+	}
+
+	yy_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);
+	yy_load_buffer_state(yyscanner );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * @param yyscanner The scanner object.
+ */
+    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		yypop_buffer_state();
+	 *		yypush_buffer_state(new_buffer);
+     */
+	yyensure_buffer_stack (yyscanner);
+	if ( YY_CURRENT_BUFFER == new_buffer )
+		return;
+
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*yyg->yy_c_buf_p = yyg->yy_hold_char;
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+		}
+
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	yy_load_buffer_state(yyscanner );
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+static void yy_load_buffer_state  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	yyg->yy_hold_char = *yyg->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.
+ * @param yyscanner The scanner object.
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size , yyscan_t yyscanner)
+{
+	YY_BUFFER_STATE b;
+    
+	b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = (yy_size_t)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 *) yyalloc(b->yy_buf_size + 2 ,yyscanner );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer(b,file ,yyscanner);
+
+	return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with yy_create_buffer()
+ * @param yyscanner The scanner object.
+ */
+    void yy_delete_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	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 )
+		yyfree((void *) b->yy_ch_buf ,yyscanner );
+
+	yyfree((void *) b ,yyscanner );
+}
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a yyrestart() or at EOF.
+ */
+    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file , yyscan_t yyscanner)
+
+{
+	int oerrno = errno;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	yy_flush_buffer(b ,yyscanner);
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then yy_init_buffer was _probably_
+     * called from yyrestart() 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 = file ? (isatty( fileno(file) ) > 0) : 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.
+ * @param yyscanner The scanner object.
+ */
+    void yy_flush_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	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 )
+		yy_load_buffer_state(yyscanner );
+}
+
+/** 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.
+ *  @param yyscanner The scanner object.
+ */
+void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	if (new_buffer == NULL)
+		return;
+
+	yyensure_buffer_stack(yyscanner);
+
+	/* This block is copied from yy_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*yyg->yy_c_buf_p = yyg->yy_hold_char;
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		yyg->yy_buffer_stack_top++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from yy_switch_to_buffer. */
+	yy_load_buffer_state(yyscanner );
+	yyg->yy_did_buffer_switch_on_eof = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  @param yyscanner The scanner object.
+ */
+void yypop_buffer_state (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	if (!YY_CURRENT_BUFFER)
+		return;
+
+	yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if (yyg->yy_buffer_stack_top > 0)
+		--yyg->yy_buffer_stack_top;
+
+	if (YY_CURRENT_BUFFER) {
+		yy_load_buffer_state(yyscanner );
+		yyg->yy_did_buffer_switch_on_eof = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void yyensure_buffer_stack (yyscan_t yyscanner)
+{
+	yy_size_t num_to_alloc;
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+	if (!yyg->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; /* After all that talk, this was set to 1 anyways... */
+		yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								, yyscanner);
+		if ( ! yyg->yy_buffer_stack )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+								  
+		memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		yyg->yy_buffer_stack_max = num_to_alloc;
+		yyg->yy_buffer_stack_top = 0;
+		return;
+	}
+
+	if (yyg->yy_buffer_stack_top >= (yyg->yy_buffer_stack_max) - 1){
+
+		/* Increase the buffer to prepare for a possible push. */
+		yy_size_t grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = yyg->yy_buffer_stack_max + grow_size;
+		yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
+								(yyg->yy_buffer_stack,
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								, yyscanner);
+		if ( ! yyg->yy_buffer_stack )
+			YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
+
+		/* zero only the new slots.*/
+		memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
+		yyg->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
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size , yyscan_t yyscanner)
+{
+	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) yyalloc(sizeof( struct yy_buffer_state ) ,yyscanner );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_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;
+
+	yy_switch_to_buffer(b ,yyscanner );
+
+	return b;
+}
+
+/** Setup the input buffer state to scan a string. The next call to yylex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       yy_scan_bytes() instead.
+ */
+YY_BUFFER_STATE yy_scan_string (yyconst char * yystr , yyscan_t yyscanner)
+{
+    
+	return yy_scan_bytes(yystr,strlen(yystr) ,yyscanner);
+}
+
+/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
+ * scan from a @e copy of @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yyscanner The scanner object.
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE yy_scan_bytes  (yyconst char * yybytes, yy_size_t  _yybytes_len , yyscan_t yyscanner)
+{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	yy_size_t i;
+    
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = _yybytes_len + 2;
+	buf = (char *) yyalloc(n ,yyscanner );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_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 = yy_scan_buffer(buf,n ,yyscanner);
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_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 , yyscan_t yyscanner)
+{
+	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	(void)yyg;
+	(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 yytext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		yytext[yyleng] = yyg->yy_hold_char; \
+		yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
+		yyg->yy_hold_char = *yyg->yy_c_buf_p; \
+		*yyg->yy_c_buf_p = '\0'; \
+		yyleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/** Get the user-defined data for this scanner.
+ * @param yyscanner The scanner object.
+ */
+YY_EXTRA_TYPE yyget_extra  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yyextra;
+}
+
+/** Get the current line number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_lineno  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    
+        if (! YY_CURRENT_BUFFER)
+            return 0;
+    
+    return yylineno;
+}
+
+/** Get the current column number.
+ * @param yyscanner The scanner object.
+ */
+int yyget_column  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    
+        if (! YY_CURRENT_BUFFER)
+            return 0;
+    
+    return yycolumn;
+}
+
+/** Get the input stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_in  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yyin;
+}
+
+/** Get the output stream.
+ * @param yyscanner The scanner object.
+ */
+FILE *yyget_out  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yyout;
+}
+
+/** Get the length of the current token.
+ * @param yyscanner The scanner object.
+ */
+yy_size_t yyget_leng  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yyleng;
+}
+
+/** Get the current token.
+ * @param yyscanner The scanner object.
+ */
+
+char *yyget_text  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yytext;
+}
+
+/** Set the user-defined data. This data is never touched by the scanner.
+ * @param user_defined The data to be associated with this scanner.
+ * @param yyscanner The scanner object.
+ */
+void yyset_extra (YY_EXTRA_TYPE  user_defined , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    yyextra = user_defined ;
+}
+
+/** Set the current line number.
+ * @param _line_number line number
+ * @param yyscanner The scanner object.
+ */
+void yyset_lineno (int  _line_number , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+        /* lineno is only valid if an input buffer exists. */
+        if (! YY_CURRENT_BUFFER )
+           YY_FATAL_ERROR( "yyset_lineno called with no buffer" );
+    
+    yylineno = _line_number;
+}
+
+/** Set the current column.
+ * @param _column_no column number
+ * @param yyscanner The scanner object.
+ */
+void yyset_column (int  _column_no , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+        /* column is only valid if an input buffer exists. */
+        if (! YY_CURRENT_BUFFER )
+           YY_FATAL_ERROR( "yyset_column called with no buffer" );
+    
+    yycolumn = _column_no;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param _in_str A readable stream.
+ * @param yyscanner The scanner object.
+ * @see yy_switch_to_buffer
+ */
+void yyset_in (FILE *  _in_str , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    yyin = _in_str ;
+}
+
+void yyset_out (FILE *  _out_str , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    yyout = _out_str ;
+}
+
+int yyget_debug  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yy_flex_debug;
+}
+
+void yyset_debug (int  _bdebug , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    yy_flex_debug = _bdebug ;
+}
+
+/* Accessor methods for yylval and yylloc */
+
+/* User-visible API */
+
+/* yylex_init is special because it creates the scanner itself, so it is
+ * the ONLY reentrant function that doesn't take the scanner as the last argument.
+ * That's why we explicitly handle the declaration, instead of using our macros.
+ */
+
+int yylex_init(yyscan_t* ptr_yy_globals)
+
+{
+    if (ptr_yy_globals == NULL){
+        errno = EINVAL;
+        return 1;
+    }
+
+    *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL );
+
+    if (*ptr_yy_globals == NULL){
+        errno = ENOMEM;
+        return 1;
+    }
+
+    /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
+    memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+
+    return yy_init_globals ( *ptr_yy_globals );
+}
+
+/* yylex_init_extra has the same functionality as yylex_init, but follows the
+ * convention of taking the scanner as the last argument. Note however, that
+ * this is a *pointer* to a scanner, as it will be allocated by this call (and
+ * is the reason, too, why this function also must handle its own declaration).
+ * The user defined value in the first argument will be available to yyalloc in
+ * the yyextra field.
+ */
+
+int yylex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )
+
+{
+    struct yyguts_t dummy_yyguts;
+
+    yyset_extra (yy_user_defined, &dummy_yyguts);
+
+    if (ptr_yy_globals == NULL){
+        errno = EINVAL;
+        return 1;
+    }
+	
+    *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
+	
+    if (*ptr_yy_globals == NULL){
+        errno = ENOMEM;
+        return 1;
+    }
+    
+    /* By setting to 0xAA, we expose bugs in
+    yy_init_globals. Leave at 0x00 for releases. */
+    memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
+    
+    yyset_extra (yy_user_defined, *ptr_yy_globals);
+    
+    return yy_init_globals ( *ptr_yy_globals );
+}
+
+static int yy_init_globals (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from yylex_destroy(), so don't allocate here.
+     */
+
+    yyg->yy_buffer_stack = 0;
+    yyg->yy_buffer_stack_top = 0;
+    yyg->yy_buffer_stack_max = 0;
+    yyg->yy_c_buf_p = (char *) 0;
+    yyg->yy_init = 0;
+    yyg->yy_start = 0;
+
+    yyg->yy_start_stack_ptr = 0;
+    yyg->yy_start_stack_depth = 0;
+    yyg->yy_start_stack =  NULL;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    yyin = stdin;
+    yyout = stdout;
+#else
+    yyin = (FILE *) 0;
+    yyout = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * yylex_init()
+     */
+    return 0;
+}
+
+/* yylex_destroy is for both reentrant and non-reentrant scanners. */
+int yylex_destroy  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		yy_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		yypop_buffer_state(yyscanner);
+	}
+
+	/* Destroy the stack itself. */
+	yyfree(yyg->yy_buffer_stack ,yyscanner);
+	yyg->yy_buffer_stack = NULL;
+
+    /* Destroy the start condition stack. */
+        yyfree(yyg->yy_start_stack ,yyscanner );
+        yyg->yy_start_stack = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * yylex() is called, initialization will occur. */
+    yy_init_globals( yyscanner);
+
+    /* Destroy the main struct (reentrant only). */
+    yyfree ( yyscanner , yyscanner );
+    yyscanner = NULL;
+    return 0;
+}
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)
+{
+	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	(void)yyg;
+
+	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 , yyscan_t yyscanner)
+{
+	int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+}
+#endif
+
+void *yyalloc (yy_size_t  size , yyscan_t yyscanner)
+{
+	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	(void)yyg;
+	return (void *) malloc( size );
+}
+
+void *yyrealloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)
+{
+	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	(void)yyg;
+
+	/* 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 yyfree (void * ptr , yyscan_t yyscanner)
+{
+	struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+	(void)yyg;
+	free( (char *) ptr );	/* see yyrealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
+
+#line 90 "ts2html.flex"
+
+
+
+int yywrap(yyscan_t scanner)
+{
+    return 1;
+}
+
+
+int main(int argc, const char* argv[])
+{   
+    ++argv, --argc;  /* skip over program name */
+    FILE* in;
+    if ( argc > 0 )
+            in = fopen( argv[0], "r" );
+    else
+            in = stdin;
+    std::vector<Token> tokens = std::vector<Token>();
+    yyscan_t scanner;
+    yylex_init_extra(&tokens,&scanner);
+    yyset_in(in,scanner );
+    yylex(scanner);
+    yylex_destroy(scanner);
+    Highlighter highlighter = Highlighter(tokens);
+    std::cout << highlighter.highlight();
+    return 0;
+}
diff --git a/homework/81352/ts2html/token.cpp b/homework/81352/ts2html-hw1/token.cpp
index 97bdcdd..97bdcdd 100644
--- a/homework/81352/ts2html/token.cpp
+++ b/homework/81352/ts2html-hw1/token.cpp
diff --git a/homework/81352/ts2html/token.h b/homework/81352/ts2html-hw1/token.h
index 977a57c..977a57c 100644
--- a/homework/81352/ts2html/token.h
+++ b/homework/81352/ts2html-hw1/token.h
diff --git a/homework/81352/ts2html/ts2html.flex b/homework/81352/ts2html-hw1/ts2html.flex
index c69232f..8bc6197 100644
--- a/homework/81352/ts2html/ts2html.flex
+++ b/homework/81352/ts2html-hw1/ts2html.flex
@@ -3,9 +3,12 @@
 #include <iostream>
 #include "token.h"
 #include "highlighter.h"
-std::vector<Token> tokens = std::vector<Token>();
 %}
 
+%option reentrant
+%option extra-type="std::vector<Token> *"
+
+
 DIGIT    [0-9]
 ID       [a-zA-Z_$][a-zA-Z0-9_$]*
 STRQ     '([^\']|(\\\'))*'
@@ -21,72 +24,72 @@ COMMENT  {SINGLE_LINE_COMMENT}|{MULTI_LINE_COMMENT}
 %%
 
 {COMMENT} {
-    tokens.push_back(Token(yytext, TokenType::COMMENT));
+    yyextra->push_back(Token(yytext, TokenType::COMMENT));
 }
 
 break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|false|finally|for|function|if|import|in|instanceof|new|null|return|super|switch|this|throw|true|try|typeof|var|void|while|with|as|implements|interface|let|package|private|protected|public|static|yield|any|boolean|constructor|declare|get|module|require|number|set|string|symbol|type|from|of {
-    tokens.push_back(Token(yytext, TokenType::KEYWORD));
+    yyextra->push_back(Token(yytext, TokenType::KEYWORD));
 }
 
 {DECORATOR} {
-    tokens.push_back(Token(yytext, TokenType::DECORATOR));
+    yyextra->push_back(Token(yytext, TokenType::DECORATOR));
 }
 
 {STRQ}|{STRDQ} {
-    tokens.push_back(Token(yytext, TokenType::STRING));
+    yyextra->push_back(Token(yytext, TokenType::STRING));
 }
 
 {DIGIT}+ {
-    tokens.push_back(Token(yytext, TokenType::NUMBER));
+    yyextra->push_back(Token(yytext, TokenType::NUMBER));
 }
 
 {DIGIT}+"."{DIGIT}* {
-    tokens.push_back(Token(yytext, TokenType::NUMBER));
+    yyextra->push_back(Token(yytext, TokenType::NUMBER));
 }
 
 {ID} {
-    tokens.push_back(Token(yytext, TokenType::IDENTIFIER));
+    yyextra->push_back(Token(yytext, TokenType::IDENTIFIER));
 }
 
 ":"|"?"|"."|"!"|"~"|"-"|"+"|"++"|"--"|"*"|"/"|"%"|"<<"|">>"|">>>"|"<"|"<="|">"|">="|"=="|"!="|"==="|"!=="|"&"|"^"|"|"|"&&"|"||"|"="|"+="|"-="|"*="|"/="|"%="|"<<="|">>="|">>>="|"&="|"^="|"|="|"=>" {
-    tokens.push_back(Token(yytext, TokenType::OPERATOR));
+    yyextra->push_back(Token(yytext, TokenType::OPERATOR));
 }
 
 ";" {
-    tokens.push_back(Token(yytext, TokenType::SEMICOLON));
+    yyextra->push_back(Token(yytext, TokenType::SEMICOLON));
 }
 
 {LEFT_BLOCK_BRACKET} {
-    tokens.push_back(Token(yytext, TokenType::LEFT_BLOCK_BRACKET));
+    yyextra->push_back(Token(yytext, TokenType::LEFT_BLOCK_BRACKET));
 }
 
 {RIGHT_BLOCK_BRACKET} {
-    tokens.push_back(Token(yytext, TokenType::RIGHT_BLOCK_BRACKET));
+    yyextra->push_back(Token(yytext, TokenType::RIGHT_BLOCK_BRACKET));
 }
 
 {LEFT_BRACKET} {
-    tokens.push_back(Token(yytext, TokenType::LEFT_BRACKET));
+    yyextra->push_back(Token(yytext, TokenType::LEFT_BRACKET));
 }
 
 {RIGHT_BRACKET} {
-    tokens.push_back(Token(yytext, TokenType::RIGHT_BRACKET));
+    yyextra->push_back(Token(yytext, TokenType::RIGHT_BRACKET));
 }
 
 [\n] {
-    tokens.push_back(Token(yytext, TokenType::NEWLINE));
+    yyextra->push_back(Token(yytext, TokenType::NEWLINE));
 }
 
 [ \t]+ {
-    tokens.push_back(Token(yytext, TokenType::WHITESPACE));
+    yyextra->push_back(Token(yytext, TokenType::WHITESPACE));
 }
 
 . {
-    tokens.push_back(Token(yytext, TokenType::UNRECOGNIZED));
+    yyextra->push_back(Token(yytext, TokenType::UNRECOGNIZED));
 }
 
 %%
 
-int yywrap()
+int yywrap(yyscan_t scanner)
 {
     return 1;
 }
@@ -95,11 +98,17 @@ int yywrap()
 int main(int argc, const char* argv[])
 {   
     ++argv, --argc;  /* skip over program name */
+    FILE* in;
     if ( argc > 0 )
-            yyin = fopen( argv[0], "r" );
+            in = fopen( argv[0], "r" );
     else
-            yyin = stdin;
-    yylex();
+            in = stdin;
+    std::vector<Token> tokens = std::vector<Token>();
+    yyscan_t scanner;
+    yylex_init_extra(&tokens, &scanner);
+    yyset_in( in, scanner );
+    yylex(scanner);
+    yylex_destroy(scanner);
     Highlighter highlighter = Highlighter(tokens);
     std::cout << highlighter.highlight();
     return 0;
diff --git a/homework/81352/ts2html-hw2/Makefile b/homework/81352/ts2html-hw2/Makefile
new file mode 100644
index 0000000..c6059aa
--- /dev/null
+++ b/homework/81352/ts2html-hw2/Makefile
@@ -0,0 +1,12 @@
+all: parser
+
+lex.yy.c: ts2html.flex
+	flex ts2html.flex
+
+parser.tab.c: parser.y
+	bison -d parser.y
+
+parser.tab.h: parser.tab.c
+
+parser: lex.yy.c parser.tab.c parser.tab.h
+	g++ -std=c++11 lex.yy.c parser.tab.c -o parser
diff --git a/homework/81352/ts2html-hw2/README.md b/homework/81352/ts2html-hw2/README.md
new file mode 100644
index 0000000..a9b47c7
--- /dev/null
+++ b/homework/81352/ts2html-hw2/README.md
@@ -0,0 +1,19 @@
+# Homework 2
+
+Extended typescript syntax highlighter.
+
++ code highlighting
++ collapsible block structures
+
+### Prerequisites
+
+1. [g++ compiler](http://man7.org/linux/man-pages/man1/g++.1.html)
+2. [make](https://www.gnu.org/software/make/)
+3. [flex](https://www.gnu.org/software/flex/)
+4. [bison](https://www.gnu.org/software/bison/)
+
+### Usage
+```
+make all
+./parser.sh [ts file] > highlighted.html
+```
\ No newline at end of file
diff --git a/homework/81352/ts2html-hw2/example.html b/homework/81352/ts2html-hw2/example.html
new file mode 100644
index 0000000..6e3e323
--- /dev/null
+++ b/homework/81352/ts2html-hw2/example.html
@@ -0,0 +1,15 @@
+<html><head><style>                                     .keyword {color:blue;}                                     .operator {color:#0e7c31; font-weight: bold}                                     .number {color:#d119b2;} .string {color:red;}                                     .block {display: inline; overflow: hidden;}                                     .collapsible { background: none; border: 1px black solid;}                                     .comment {color:grey; font-style: italic;}                                     .line_number {opacity: 0.5;}                                     .decorator {color:#1a1f63; font-style: italic;}                                    </style>                                    </head><body><pre><span class="line_number">1. </span><span class="decorator">@Decorator</span>()
+<span class="line_number">2. </span><span class="keyword">class</span> <span class="identifier">A</span> {<button class="collapsible">-</button><div class="block">
+<span class="line_number">3. </span>    <span class="keyword">public</span> <span class="identifier">a</span><span class="operator">?</span><span class="operator">:</span> <span class="keyword">string</span>;
+<span class="line_number">4. </span>    <span class="keyword">public</span> <span class="identifier">b</span><span class="operator">?</span><span class="operator">:</span> <span class="identifier">A</span>;
+<span class="line_number">5. </span>    <span class="keyword">public</span> <span class="identifier">func</span> <span class="operator">=</span>  ()<span class="operator">:</span> <span class="keyword">string</span> <span class="operator">=></span> {<button class="collapsible">-</button><div class="block">
+<span class="line_number">6. </span>        <span class="keyword">return</span> <span class="keyword">this</span><span class="operator">.</span><span class="identifier">a</span>;
+<span class="line_number">7. </span>    </div>}
+<span class="line_number">8. </span></div>}
+<span class="line_number">9. </span>
+<span class="line_number">10. </span><span class="comment">// comment  </span>
+<span class="line_number">11. </span><span class="keyword">const</span> <span class="identifier">x</span> <span class="operator">=</span> <span class="string">"hello"</span> <span class="operator">+</span> <span class="string">" "</span> <span class="operator">+</span> <span class="string">"world"</span> <span class="operator">+</span> <span class="number">1</span>;
+<span class="line_number">12. </span>
+<span class="line_number">13. </span>{<button class="collapsible">-</button><div class="block">
+<span class="line_number">14. </span>    <span class="keyword">const</span> <span class="identifier">b</span> <span class="operator">=</span> <span class="number">3</span>;
+<span class="line_number">15. </span></div>}</pre><script>                                     var block = document.getElementsByClassName("block");                                     var j;                                     for (j = 0; j < block.length; j++) {                                         block[j].style.display = "inline";                                     }                                     var coll = document.getElementsByClassName("collapsible");                                     var i;                                     for (i = 0; i < coll.length; i++) {                                         coll[i].addEventListener("click", function() {                                             var content = this.nextElementSibling;                                             if (content.style.display === "inline"){                                                 content.style.display = "none";                                                 this.innerHTML = "+";                                             } else {                                                 content.style.display = "inline";                                                 this.innerHTML = "-";                                             }                                         });                                     }                                    </script></body></html>
\ No newline at end of file
diff --git a/homework/81352/ts2html-hw2/example.ts b/homework/81352/ts2html-hw2/example.ts
new file mode 100644
index 0000000..01848c6
--- /dev/null
+++ b/homework/81352/ts2html-hw2/example.ts
@@ -0,0 +1,15 @@
+@Decorator()
+class A {
+    public a?: string;
+    public b?: A;
+    public func =  (): string => {
+        return this.a;
+    }
+}
+
+// comment  
+const x = "hello" + " " + "world" + 1;
+
+{
+    const b = 3;
+}
\ No newline at end of file
diff --git a/homework/81352/ts2html/lex.yy.c b/homework/81352/ts2html-hw2/lex.yy.c
index c735eb0..756990d 100644
--- a/homework/81352/ts2html/lex.yy.c
+++ b/homework/81352/ts2html-hw2/lex.yy.c
@@ -375,8 +375,8 @@ static void yy_fatal_error (yyconst char msg[]  );
 	*yy_cp = '\0'; \
 	(yy_c_buf_p) = yy_cp;
 
-#define YY_NUM_RULES 17
-#define YY_END_OF_BUFFER 18
+#define YY_NUM_RULES 12
+#define YY_END_OF_BUFFER 13
 /* This struct is not used in this scanner,
    but its presence is necessary. */
 struct yy_trans_info
@@ -384,54 +384,54 @@ struct yy_trans_info
 	flex_int32_t yy_verify;
 	flex_int32_t yy_nxt;
 	};
-static yyconst flex_int16_t yy_accept[255] =
+static yyconst flex_int16_t yy_accept[252] =
     {   0,
-        0,    0,   18,   16,   15,   14,    8,   16,    7,    8,
-        8,   16,   12,   13,    8,    8,    8,    8,    8,    5,
-        9,    8,    8,    8,   16,    8,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,   10,    8,   11,   15,    8,
-        0,    4,    0,    7,    8,    0,    0,    0,    1,    6,
-        5,    8,    8,    8,    3,    7,    2,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    2,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
+        0,    0,   13,   11,   10,    9,   11,    8,    9,    9,
+       11,    9,    9,    9,    9,    9,   11,    7,    9,    9,
+        9,   11,    9,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    4,    9,    5,    9,    0,    6,    0,    8,
+        9,    0,    0,    0,    2,    7,    0,    7,    9,    9,
+        9,    3,    8,    1,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        1,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
 
-        7,    7,    7,    7,    7,    4,    4,    0,    0,    1,
-        6,    8,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    1,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    2,
-        7,    7,    7,    2,    7,    7,    7,    7,    7,    7,
+        8,    8,    6,    6,    0,    0,    2,    7,    9,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    2,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    1,    8,    8,    8,
+        1,    8,    8,    8,    8,    8,    8,    8,    8,    8,
 
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
-        7,    7,    7,    0
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        8,    8,    8,    8,    8,    8,    8,    8,    8,    8,
+        0
     } ;
 
 static yyconst YY_CHAR yy_ec[256] =
     {   0,
-        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    2,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    2,    4,    5,    1,    6,    7,    8,    9,   10,
-       11,   12,   13,    1,   14,   15,   16,   17,   17,   17,
-       17,   17,   17,   17,   17,   17,   17,   18,   19,   20,
-       21,   22,   23,   24,   25,   25,   25,   25,   25,   25,
-       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
-       25,   25,   25,   25,   25,   25,   25,   25,   25,   25,
-        1,   26,    1,   27,    6,    1,   28,   29,   30,   31,
+        1,    1,    3,    4,    1,    5,    6,    7,    8,    1,
+        1,    9,   10,    1,   11,   12,   13,   14,   15,   15,
+       15,   15,   15,   15,   15,   15,   15,   16,    1,   17,
+       18,   19,   20,   21,   22,   22,   22,   22,   22,   22,
+       22,   22,   22,   22,   22,   22,   22,   22,   22,   22,
+       22,   22,   22,   22,   22,   22,   22,   22,   22,   22,
+        1,   23,    1,   24,    5,    1,   25,   26,   27,   28,
 
-       32,   33,   34,   35,   36,   25,   37,   38,   39,   40,
-       41,   42,   43,   44,   45,   46,   47,   48,   49,   50,
-       51,   25,   52,   53,   54,   55,    1,    1,    1,    1,
+       29,   30,   31,   32,   33,   22,   34,   35,   36,   37,
+       38,   39,   40,   41,   42,   43,   44,   45,   46,   47,
+       48,   22,   49,   50,   51,   52,    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,
@@ -448,180 +448,180 @@ static yyconst YY_CHAR yy_ec[256] =
         1,    1,    1,    1,    1
     } ;
 
-static yyconst YY_CHAR yy_meta[56] =
+static yyconst YY_CHAR yy_meta[53] =
     {   0,
-        1,    1,    2,    1,    1,    3,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    3,    1,    1,    1,
-        1,    1,    1,    1,    4,    1,    1,    4,    4,    4,
+        1,    2,    1,    1,    3,    1,    1,    1,    1,    1,
+        1,    1,    1,    3,    3,    1,    1,    1,    1,    1,
+        1,    4,    1,    1,    4,    4,    4,    4,    4,    4,
         4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
-        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
-        4,    1,    1,    1,    1
+        4,    4,    4,    4,    4,    4,    4,    4,    1,    1,
+        1,    1
     } ;
 
-static yyconst flex_uint16_t yy_base[261] =
+static yyconst flex_uint16_t yy_base[258] =
     {   0,
-        0,    0,  365,  366,  362,  366,  342,   51,    0,  341,
-       49,   49,  366,  366,  340,   46,   47,  366,   48,   48,
-      366,   51,   52,   57,    0,  339,   36,   39,   54,   52,
-       47,   58,  327,   67,  326,  316,   56,  323,   68,  323,
-       72,   66,   70,   54,  318,  366,   87,  366,  351,  331,
-      104,  366,  108,    0,  366,  105,  107,  339,    0,  333,
-      105,  328,  327,  103,    0,  296,    0,  305,  313,   81,
-      316,  303,   99,  297,  294,   20,  302,  299,  294,  296,
-      296,  289,  292,   90,  287,  301,  282,  100,  300,  105,
-      300,   99,  282,  115,  285,  290,  286,  108,  100,  282,
+        0,    0,  370,  371,  371,  351,   49,    0,  350,   47,
+       47,  349,   46,   48,  371,   49,   59,   63,   43,   50,
+       61,    0,  348,   39,   44,   58,   57,   52,   59,  336,
+       68,  335,  325,   62,  332,   69,  332,   72,   76,   84,
+       79,  327,  371,   84,  371,  341,   84,  371,  110,    0,
+      371,  113,  115,  349,    0,  111,  115,  125,  339,  338,
+      113,    0,  307,    0,  316,  324,   99,  327,  314,  117,
+      308,  305,  106,  313,  310,  305,  307,  307,  300,  303,
+      108,  298,  312,  293,  118,  311,  122,  311,  116,  293,
+       94,  296,  301,  297,  124,  114,  293,  290,  297,  296,
 
-      279,  286,  285,  274,  287,  143,  140,  306,  138,    0,
-      300,  295,  277,  286,  281,  282,  266,  110,  263,  271,
-      280,  275,  274,  266,  263,  271,  257,  273,  261,  269,
-      119,  252,  265,  249,  257,  265,  256,  244,  245,  252,
-      242,  241,  241,  250,  253,  238,  254,  237,  240,  248,
-      247,  247,  239,  241,  237,  262,  241,  235,  236,  225,
-      223,  232,  233,  238,  218,  218,  219,  222,  229,  222,
-      213,  226,  213,  228,  211,  216,  221,  224,  223,  218,
-      213,  212,  203,  210,  205,  200,  213,  201,  192,  199,
-      207,  207,  209,  192,  195,  200,  189,  194,  199,  184,
+      285,  298,  144,  138,  317,  155,    0,  155,  307,  289,
+      298,  293,  294,  278,  129,  275,  283,  292,  287,  286,
+      278,  275,  283,  269,  285,  273,  281,  128,  264,  277,
+      261,  269,  277,  268,  256,  257,  264,  254,  253,  253,
+      262,  265,  250,  266,  249,  252,  260,  259,  259,  251,
+      253,  249,  274,  253,  247,  248,  237,  235,  244,  245,
+      250,  230,  230,  231,  234,  241,  234,  225,  238,  225,
+      240,  223,  228,  233,  236,  235,  230,  225,  224,  215,
+      222,  217,  212,  225,  213,  204,  211,  219,  219,  221,
+      204,  207,  212,  201,  206,  211,  196,  210,  202,  203,
 
-      198,  190,  191,  187,  179,  184,  190,  190,  177,  186,
-      173,  188,  187,  172,  175,  184,  179,  177,  173,  177,
-      169,  161,  160,  174,  173,  158,  158,  151,  160,  168,
-      169,  170,  165,  164,  149,  162,  163,  160,  147,  150,
-      149,  156,  155,  149,  122,  121,  124,  132,  132,  121,
-      116,  125,  109,  366,  169,  171,  175,   87,  179,  183
+      199,  191,  196,  202,  202,  189,  198,  185,  200,  199,
+      184,  187,  196,  191,  189,  185,  189,  181,  173,  172,
+      186,  185,  170,  170,  163,  172,  180,  181,  182,  177,
+      176,  161,  174,  175,  172,  159,  162,  161,  168,  169,
+      166,  151,  150,  154,  162,  160,  146,   86,   60,   22,
+      371,  172,  174,  178,   53,  182,  186
     } ;
 
-static yyconst flex_int16_t yy_def[261] =
+static yyconst flex_int16_t yy_def[258] =
     {   0,
-      254,    1,  254,  254,  254,  254,  254,  255,  256,  254,
-      254,  257,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  258,  254,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  254,  254,  254,  254,  254,
-      255,  254,  255,  256,  254,  257,  257,  259,  260,  254,
-      254,  254,  254,  254,  258,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      251,    1,  251,  251,  251,  251,  252,  253,  251,  251,
+      254,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  255,  251,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  251,  251,  251,  251,  252,  251,  252,  253,
+      251,  254,  254,  256,  257,  251,  251,  251,  251,  251,
+      251,  255,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
 
-      256,  256,  256,  256,  256,  255,  257,  259,  259,  260,
-      254,  254,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  259,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
+      253,  253,  252,  254,  256,  256,  257,  251,  251,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  256,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
 
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,  256,  256,  256,  256,  256,  256,  256,
-      256,  256,  256,    0,  254,  254,  254,  254,  254,  254
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+      253,  253,  253,  253,  253,  253,  253,  253,  253,  253,
+        0,  251,  251,  251,  251,  251,  251
     } ;
 
-static yyconst flex_uint16_t yy_nxt[422] =
+static yyconst flex_uint16_t yy_nxt[424] =
     {   0,
         4,    5,    6,    7,    8,    9,   10,   11,   12,   13,
-       14,   15,   16,   17,   18,   19,   20,   18,   21,   22,
-       23,   24,   18,   25,    9,    4,   26,   27,   28,   29,
-       30,   31,   32,   33,    9,   34,    9,   35,   36,   37,
-       38,   39,    9,   40,   41,   42,    9,   43,   44,    9,
-       45,   46,   47,   48,   18,   52,   55,   52,   55,   58,
-       55,  125,   60,   59,   61,  126,   55,   55,   55,   55,
-       62,   55,   63,   55,   57,   66,   53,   55,   64,   68,
-       67,   70,   69,   73,   74,   77,   75,   87,  103,  104,
-       65,   71,   67,   78,   72,   89,   76,  101,   79,   67,
+       14,   15,   16,   17,   18,   15,   19,   20,   21,   15,
+       22,    8,    4,   23,   24,   25,   26,   27,   28,   29,
+       30,    8,   31,    8,   32,   33,   34,   35,   36,    8,
+       37,   38,   39,    8,   40,   41,    8,   42,   43,   44,
+       45,   15,   48,   51,   48,   51,   62,   54,   51,   59,
+       51,   55,   64,   51,   51,   51,   51,   60,   51,   53,
+       56,   49,   57,   57,   56,   63,   58,   58,   51,   61,
+       64,   65,   67,   74,   66,   70,   71,   48,   72,   64,
+       84,   75,   68,   86,   64,   69,   76,   64,   73,   77,
 
-       98,   80,   88,   93,   81,   83,   84,   55,   52,   99,
-      102,   90,  106,   52,   91,  107,  100,   94,   95,   60,
-       96,   61,   97,   55,  112,  115,  116,  119,  120,   53,
-       57,  121,   57,   53,  132,  133,  122,  135,  136,   55,
-      138,  141,  143,  148,  142,  139,  150,   52,   52,  109,
-       67,  149,   67,  156,  161,  162,  172,   67,  144,  173,
-       67,  253,   67,   67,  252,   57,  251,  250,   53,   51,
-       51,   51,   51,   54,   54,   56,   56,   56,   56,  108,
-      249,  108,  108,  110,  248,  110,  110,  247,  246,   67,
-       67,   67,  245,   67,  244,   67,   67,  243,  242,  241,
+       90,   51,   78,   80,   81,   85,   49,   95,   98,   87,
+      100,  101,   88,  103,   91,   92,   96,   93,  140,   94,
+       48,   99,  104,   97,  108,  108,   56,   64,   57,   57,
+       51,  109,   49,   51,  141,   53,   56,   53,   58,   58,
+      112,  113,  116,  117,  122,   48,  118,   48,  123,  129,
+      130,  119,  132,  133,  135,  138,  145,  147,  139,  136,
+       53,   64,  169,  106,  146,  170,   49,  153,  108,  108,
+      158,  159,   47,   47,   47,   47,   50,   50,   52,   52,
+       52,   52,  105,  250,  105,  105,  107,   64,  107,  107,
+       64,  249,  248,  247,  246,  245,  244,  243,   64,   64,
 
-      240,   67,   67,   67,   67,  239,  238,  237,   67,   67,
-       67,   67,   67,   67,   67,  236,   67,  235,  234,  233,
-       67,   67,  232,  231,   67,  230,  229,  228,  227,   67,
-       67,  226,  225,  224,  223,  222,  221,   67,   67,  220,
-       67,  219,  218,   67,  217,  216,  215,  214,  213,  212,
-      211,  210,  209,  208,  207,  206,  205,  204,  203,  202,
-       67,  201,  200,  199,  198,  197,  196,  195,  194,   67,
-       67,   67,  193,  109,  192,   67,  191,   67,  190,   67,
-      189,   67,  188,  187,  186,  185,  184,  183,  182,  181,
-      180,  179,  178,  177,   67,  176,  175,  174,  171,   67,
+       64,  242,   64,  241,   64,   64,  240,  239,  238,  237,
+       64,   64,   64,   64,  236,  235,  234,   64,   64,   64,
+       64,   64,   64,   64,  233,   64,  232,  231,  230,   64,
+       64,  229,  228,   64,  227,  226,  225,  224,   64,   64,
+      223,  222,  221,  220,  219,  218,   64,   64,  217,   64,
+      216,  215,   64,  214,  213,  212,  211,  210,  209,  208,
+      207,  206,  205,  204,  203,  202,  201,  200,  199,   64,
+      198,  197,  196,  195,  194,  193,  192,  191,   64,   64,
+       64,  190,  106,  189,   64,  188,   64,  187,   64,  186,
+       64,  185,  184,  183,  182,  181,  180,  179,  178,  177,
 
-      170,  169,  168,  167,   67,   67,  166,  165,  164,  163,
-      160,  159,   67,  158,  157,   55,  111,  109,  155,  154,
-      153,  152,   67,  151,  147,  146,  145,   67,  140,  137,
-       67,  134,   67,  131,   67,  130,  129,   67,  128,  127,
-      124,  123,  118,  117,  114,  113,   67,   55,   55,  111,
-      109,   55,   49,  105,   92,   67,   86,   85,   82,   55,
-       55,   55,   50,   49,  254,    3,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      176,  175,  174,   64,  173,  172,  171,  168,   64,  167,
+      166,  165,  164,   64,   64,  163,  162,  161,  160,  157,
+      156,   64,  155,  154,   51,  106,  152,  151,  150,  149,
+       64,  148,  144,  143,  142,   64,  137,  134,   64,  131,
+       64,  128,   64,  127,  126,   64,  125,  124,  121,  120,
+      115,  114,  111,  110,   64,   51,   51,  106,   51,  102,
+       89,   64,   83,   82,   79,   51,   51,   51,   46,  251,
+        3,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
 
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251
     } ;
 
-static yyconst flex_int16_t yy_chk[422] =
+static yyconst flex_int16_t yy_chk[424] =
     {   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,    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,    8,   11,   12,   16,   19,
-       17,   76,   20,   19,   20,   76,   16,   17,   19,   11,
-       22,   22,   23,   23,   12,   27,    8,   24,   24,   28,
-       27,   29,   28,   30,   31,   32,   31,   37,   44,   44,
-      258,   29,   30,   32,   29,   39,   31,   43,   32,   34,
+        1,    1,    7,   10,   11,   13,  255,   16,   14,   19,
+       19,   16,  250,   13,   10,   14,   16,   20,   20,   11,
+       17,    7,   17,   17,   18,   24,   18,   18,   21,   21,
+       24,   25,   26,   29,   25,   27,   28,   47,   28,  249,
+       34,   29,   26,   36,   27,   26,   29,   31,   28,   29,
 
-       42,   32,   37,   41,   32,   34,   34,   47,   51,   42,
-       43,   39,   53,   56,   39,   57,   42,   41,   41,   61,
-       41,   61,   41,   64,   64,   70,   70,   73,   73,   51,
-       56,   73,   57,   53,   84,   84,   73,   88,   88,   47,
-       90,   92,   94,   98,   92,   90,   99,  106,  107,  109,
-       99,   98,  253,  109,  118,  118,  131,  252,   94,  131,
-      251,  250,  249,  248,  247,  107,  246,  245,  106,  255,
-      255,  255,  255,  256,  256,  257,  257,  257,  257,  259,
-      244,  259,  259,  260,  243,  260,  260,  242,  241,  240,
-      239,  238,  237,  236,  235,  234,  233,  232,  231,  230,
+       38,   44,   29,   31,   31,   34,   47,   39,   40,   36,
+       41,   41,   36,   49,   38,   38,   39,   38,   91,   38,
+       52,   40,   53,   39,   56,   56,   57,  248,   57,   57,
+       61,   61,   49,   44,   91,   52,   58,   53,   58,   58,
+       67,   67,   70,   70,   73,  104,   70,  103,   73,   81,
+       81,   70,   85,   85,   87,   89,   95,   96,   89,   87,
+      104,   96,  128,  106,   95,  128,  103,  106,  108,  108,
+      115,  115,  252,  252,  252,  252,  253,  253,  254,  254,
+      254,  254,  256,  247,  256,  256,  257,  246,  257,  257,
+      245,  244,  243,  242,  241,  240,  239,  238,  237,  236,
 
-      229,  228,  227,  226,  225,  224,  223,  222,  221,  220,
-      219,  218,  217,  216,  215,  214,  213,  212,  211,  210,
-      209,  208,  207,  206,  205,  204,  203,  202,  201,  200,
-      199,  198,  197,  196,  195,  194,  193,  192,  191,  190,
-      189,  188,  187,  186,  185,  184,  183,  182,  181,  180,
-      179,  178,  177,  176,  175,  174,  173,  172,  171,  170,
-      169,  168,  167,  166,  165,  164,  163,  162,  161,  160,
-      159,  158,  157,  156,  155,  154,  153,  152,  151,  150,
-      149,  148,  147,  146,  145,  144,  143,  142,  141,  140,
-      139,  138,  137,  136,  135,  134,  133,  132,  130,  129,
+      235,  234,  233,  232,  231,  230,  229,  228,  227,  226,
+      225,  224,  223,  222,  221,  220,  219,  218,  217,  216,
+      215,  214,  213,  212,  211,  210,  209,  208,  207,  206,
+      205,  204,  203,  202,  201,  200,  199,  198,  197,  196,
+      195,  194,  193,  192,  191,  190,  189,  188,  187,  186,
+      185,  184,  183,  182,  181,  180,  179,  178,  177,  176,
+      175,  174,  173,  172,  171,  170,  169,  168,  167,  166,
+      165,  164,  163,  162,  161,  160,  159,  158,  157,  156,
+      155,  154,  153,  152,  151,  150,  149,  148,  147,  146,
+      145,  144,  143,  142,  141,  140,  139,  138,  137,  136,
 
-      128,  127,  126,  125,  124,  123,  122,  121,  120,  119,
-      117,  116,  115,  114,  113,  112,  111,  108,  105,  104,
-      103,  102,  101,  100,   97,   96,   95,   93,   91,   89,
-       87,   86,   85,   83,   82,   81,   80,   79,   78,   77,
-       75,   74,   72,   71,   69,   68,   66,   63,   62,   60,
-       58,   50,   49,   45,   40,   38,   36,   35,   33,   26,
-       15,   10,    7,    5,    3,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
+      135,  134,  133,  132,  131,  130,  129,  127,  126,  125,
+      124,  123,  122,  121,  120,  119,  118,  117,  116,  114,
+      113,  112,  111,  110,  109,  105,  102,  101,  100,   99,
+       98,   97,   94,   93,   92,   90,   88,   86,   84,   83,
+       82,   80,   79,   78,   77,   76,   75,   74,   72,   71,
+       69,   68,   66,   65,   63,   60,   59,   54,   46,   42,
+       37,   35,   33,   32,   30,   23,   12,    9,    6,    3,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
 
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254,  254,  254,  254,  254,  254,  254,  254,  254,  254,
-      254
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251,  251,  251,  251,  251,  251,  251,  251,
+      251,  251,  251
     } ;
 
 static yy_state_type yy_last_accepting_state;
@@ -640,12 +640,8 @@ int yy_flex_debug = 0;
 char *yytext;
 #line 1 "ts2html.flex"
 #line 2 "ts2html.flex"
-#include <vector>
-#include <iostream>
-#include "token.h"
-#include "highlighter.h"
-std::vector<Token> tokens = std::vector<Token>();
-#line 649 "lex.yy.c"
+#include "parser.tab.h"
+#line 645 "lex.yy.c"
 
 #define INITIAL 0
 
@@ -863,10 +859,10 @@ YY_DECL
 		}
 
 	{
-#line 21 "ts2html.flex"
+#line 15 "ts2html.flex"
 
 
-#line 870 "lex.yy.c"
+#line 866 "lex.yy.c"
 
 	while ( /*CONSTCOND*/1 )		/* loops until end-of-file is reached */
 		{
@@ -893,13 +889,13 @@ yy_match:
 			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 >= 255 )
+				if ( yy_current_state >= 252 )
 					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_base[yy_current_state] != 366 );
+		while ( yy_base[yy_current_state] != 371 );
 
 yy_find_action:
 		yy_act = yy_accept[yy_current_state];
@@ -925,124 +921,94 @@ do_action:	/* This label is used only to access EOF actions. */
 
 case 1:
 YY_RULE_SETUP
-#line 23 "ts2html.flex"
+#line 17 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::COMMENT));
+    yylval = yytext;
+    return KEYWORD;
 }
 	YY_BREAK
 case 2:
 YY_RULE_SETUP
-#line 27 "ts2html.flex"
+#line 22 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::KEYWORD));
+    yylval = yytext;
+    return COMMENT;
 }
 	YY_BREAK
 case 3:
 YY_RULE_SETUP
-#line 31 "ts2html.flex"
+#line 27 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::DECORATOR));
+    yylval = yytext;
+    return DECORATOR;
 }
 	YY_BREAK
 case 4:
-/* rule 4 can match eol */
 YY_RULE_SETUP
-#line 35 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::STRING));
-}
+#line 32 "ts2html.flex"
+{ return '{'; }
 	YY_BREAK
 case 5:
 YY_RULE_SETUP
-#line 39 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::NUMBER));
-}
+#line 34 "ts2html.flex"
+{ return '}'; }
 	YY_BREAK
 case 6:
+/* rule 6 can match eol */
 YY_RULE_SETUP
-#line 43 "ts2html.flex"
+#line 36 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::NUMBER));
+    yylval = yytext;
+    return STRING;
 }
 	YY_BREAK
 case 7:
 YY_RULE_SETUP
-#line 47 "ts2html.flex"
+#line 41 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::IDENTIFIER));
+    yylval = yytext;
+    return NUMBER;
 }
 	YY_BREAK
 case 8:
 YY_RULE_SETUP
-#line 51 "ts2html.flex"
+#line 46 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::OPERATOR));
+    yylval = yytext;
+    return IDENTIFIER;
 }
 	YY_BREAK
 case 9:
 YY_RULE_SETUP
-#line 55 "ts2html.flex"
+#line 51 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::SEMICOLON));
+    yylval = yytext;
+    return OPERATOR;
 }
 	YY_BREAK
 case 10:
+/* rule 10 can match eol */
 YY_RULE_SETUP
-#line 59 "ts2html.flex"
+#line 56 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::LEFT_BLOCK_BRACKET));
+    yylval = yytext;
+    return NEWLINE; 
 }
 	YY_BREAK
 case 11:
 YY_RULE_SETUP
-#line 63 "ts2html.flex"
+#line 61 "ts2html.flex"
 {
-    tokens.push_back(Token(yytext, TokenType::RIGHT_BLOCK_BRACKET));
+    yylval = yytext;
+    return OTHER;
 }
 	YY_BREAK
 case 12:
 YY_RULE_SETUP
-#line 67 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::LEFT_BRACKET));
-}
-	YY_BREAK
-case 13:
-YY_RULE_SETUP
-#line 71 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::RIGHT_BRACKET));
-}
-	YY_BREAK
-case 14:
-/* rule 14 can match eol */
-YY_RULE_SETUP
-#line 75 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::NEWLINE));
-}
-	YY_BREAK
-case 15:
-YY_RULE_SETUP
-#line 79 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::WHITESPACE));
-}
-	YY_BREAK
-case 16:
-YY_RULE_SETUP
-#line 83 "ts2html.flex"
-{
-    tokens.push_back(Token(yytext, TokenType::UNRECOGNIZED));
-}
-	YY_BREAK
-case 17:
-YY_RULE_SETUP
-#line 87 "ts2html.flex"
+#line 66 "ts2html.flex"
 ECHO;
 	YY_BREAK
-#line 1046 "lex.yy.c"
+#line 1012 "lex.yy.c"
 case YY_STATE_EOF(INITIAL):
 	yyterminate();
 
@@ -1335,7 +1301,7 @@ static int yy_get_next_buffer (void)
 		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 >= 255 )
+			if ( yy_current_state >= 252 )
 				yy_c = yy_meta[(unsigned int) yy_c];
 			}
 		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
@@ -1363,11 +1329,11 @@ static int yy_get_next_buffer (void)
 	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 >= 255 )
+		if ( yy_current_state >= 252 )
 			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 == 254);
+	yy_is_jam = (yy_current_state == 251);
 
 		return yy_is_jam ? 0 : yy_current_state;
 }
@@ -2043,7 +2009,7 @@ void yyfree (void * ptr )
 
 #define YYTABLES_NAME "yytables"
 
-#line 87 "ts2html.flex"
+#line 66 "ts2html.flex"
 
 
 
@@ -2051,17 +2017,3 @@ int yywrap()
 {
     return 1;
 }
-
-
-int main(int argc, const char* argv[])
-{   
-    ++argv, --argc;  /* skip over program name */
-    if ( argc > 0 )
-            yyin = fopen( argv[0], "r" );
-    else
-            yyin = stdin;
-    yylex();
-    Highlighter highlighter = Highlighter(tokens);
-    std::cout << highlighter.highlight();
-    return 0;
-}
diff --git a/homework/81352/ts2html-hw2/parser.sh b/homework/81352/ts2html-hw2/parser.sh
new file mode 100755
index 0000000..08df4ca
--- /dev/null
+++ b/homework/81352/ts2html-hw2/parser.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+cat $1 | ./parser
\ No newline at end of file
diff --git a/homework/81352/ts2html-hw2/parser.tab.c b/homework/81352/ts2html-hw2/parser.tab.c
new file mode 100644
index 0000000..35d2b19
--- /dev/null
+++ b/homework/81352/ts2html-hw2/parser.tab.c
@@ -0,0 +1,1551 @@
+/* A Bison parser, made by GNU Bison 3.0.4.  */
+
+/* Bison implementation for Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+   simplifying the original so-called "semantic" parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON 1
+
+/* Bison version.  */
+#define YYBISON_VERSION "3.0.4"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 0
+
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+
+
+
+
+/* Copy the first part of user declarations.  */
+#line 1 "parser.y" /* yacc.c:339  */
+
+#include <iostream>
+int yylex();
+int yyerror(const char* error);
+int current_line = 1;
+
+#line 73 "parser.tab.c" /* yacc.c:339  */
+
+# ifndef YY_NULLPTR
+#  if defined __cplusplus && 201103L <= __cplusplus
+#   define YY_NULLPTR nullptr
+#  else
+#   define YY_NULLPTR 0
+#  endif
+# endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* In a future release of Bison, this section will be replaced
+   by #include "parser.tab.h".  */
+#ifndef YY_YY_PARSER_TAB_H_INCLUDED
+# define YY_YY_PARSER_TAB_H_INCLUDED
+/* Debug traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+/* "%code requires" blocks.  */
+#line 8 "parser.y" /* yacc.c:355  */
+#include <string>
+
+#line 106 "parser.tab.c" /* yacc.c:355  */
+
+/* Token type.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+  enum yytokentype
+  {
+    KEYWORD = 258,
+    STRING = 259,
+    NUMBER = 260,
+    IDENTIFIER = 261,
+    OPERATOR = 262,
+    OTHER = 263,
+    NEWLINE = 264,
+    DECORATOR = 265,
+    COMMENT = 266
+  };
+#endif
+
+/* Value type.  */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef std::string YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE yylval;
+
+int yyparse (void);
+
+#endif /* !YY_YY_PARSER_TAB_H_INCLUDED  */
+
+/* Copy the second part of user declarations.  */
+
+#line 141 "parser.tab.c" /* yacc.c:358  */
+
+#ifdef short
+# undef short
+#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#else
+typedef signed char yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
+
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif ! defined YYSIZE_T
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned int
+# endif
+#endif
+
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(Msgid) Msgid
+# endif
+#endif
+
+#ifndef YY_ATTRIBUTE
+# if (defined __GNUC__                                               \
+      && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \
+     || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
+#  define YY_ATTRIBUTE(Spec) __attribute__(Spec)
+# else
+#  define YY_ATTRIBUTE(Spec) /* empty */
+# endif
+#endif
+
+#ifndef YY_ATTRIBUTE_PURE
+# define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))
+#endif
+
+#ifndef YY_ATTRIBUTE_UNUSED
+# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
+#endif
+
+#if !defined _Noreturn \
+     && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112)
+# if defined _MSC_VER && 1200 <= _MSC_VER
+#  define _Noreturn __declspec (noreturn)
+# else
+#  define _Noreturn YY_ATTRIBUTE ((__noreturn__))
+# endif
+#endif
+
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(E) ((void) (E))
+#else
+# define YYUSE(E) /* empty */
+#endif
+
+#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
+/* Suppress an incorrect diagnostic about yylval being uninitialized.  */
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
+    _Pragma ("GCC diagnostic push") \
+    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
+    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
+    _Pragma ("GCC diagnostic pop")
+#else
+# define YY_INITIAL_VALUE(Value) Value
+#endif
+#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+# define YY_IGNORE_MAYBE_UNINITIALIZED_END
+#endif
+#ifndef YY_INITIAL_VALUE
+# define YY_INITIAL_VALUE(Value) /* Nothing. */
+#endif
+
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+      /* Use EXIT_SUCCESS as a witness for stdlib.h.  */
+#     ifndef EXIT_SUCCESS
+#      define EXIT_SUCCESS 0
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's 'empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined EXIT_SUCCESS \
+       && ! ((defined YYMALLOC || defined malloc) \
+             && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef EXIT_SUCCESS
+#    define EXIT_SUCCESS 0
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined EXIT_SUCCESS
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined EXIT_SUCCESS
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yytype_int16 yyss_alloc;
+  YYSTYPE yyvs_alloc;
+};
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
+
+# define YYCOPY_NEEDED 1
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   elements in the stack, and YYPTR gives the new location of the
+   stack.  Advance YYPTR to a properly aligned location for the next
+   stack.  */
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
+    do                                                                  \
+      {                                                                 \
+        YYSIZE_T yynewbytes;                                            \
+        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
+        Stack = &yyptr->Stack_alloc;                                    \
+        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+        yyptr += yynewbytes / sizeof (*yyptr);                          \
+      }                                                                 \
+    while (0)
+
+#endif
+
+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from SRC to DST.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(Dst, Src, Count) \
+      __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
+#  else
+#   define YYCOPY(Dst, Src, Count)              \
+      do                                        \
+        {                                       \
+          YYSIZE_T yyi;                         \
+          for (yyi = 0; yyi < (Count); yyi++)   \
+            (Dst)[yyi] = (Src)[yyi];            \
+        }                                       \
+      while (0)
+#  endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  17
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   25
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  14
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  6
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  17
+/* YYNSTATES -- Number of states.  */
+#define YYNSTATES  20
+
+/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned
+   by yylex, with out-of-bounds checking.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   266
+
+#define YYTRANSLATE(YYX)                                                \
+  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
+   as returned by yylex, without out-of-bounds checking.  */
+static const yytype_uint8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,    12,     2,    13,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,     6,     7,     8,     9,    10,    11
+};
+
+#if YYDEBUG
+  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
+static const yytype_uint8 yyrline[] =
+{
+       0,    25,    25,    26,    58,    59,    61,    62,    64,    65,
+      66,    67,    68,    69,    70,    71,    72,    74
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE || 0
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "KEYWORD", "STRING", "NUMBER",
+  "IDENTIFIER", "OPERATOR", "OTHER", "NEWLINE", "DECORATOR", "COMMENT",
+  "'{'", "'}'", "$accept", "input", "program", "expr", "nonblock", "block", YY_NULLPTR
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[NUM] -- (External) token number corresponding to the
+   (internal) symbol number NUM (which must be that of a token).  */
+static const yytype_uint16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
+     265,   266,   123,   125
+};
+# endif
+
+#define YYPACT_NINF -4
+
+#define yypact_value_is_default(Yystate) \
+  (!!((Yystate) == (-4)))
+
+#define YYTABLE_NINF -1
+
+#define yytable_value_is_error(Yytable_value) \
+  0
+
+  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+     STATE-NUM.  */
+static const yytype_int8 yypact[] =
+{
+       8,    -4,    -4,    -4,    -4,    -4,    -4,    -4,    -4,    -4,
+       8,    22,     8,    -4,    -4,    -4,    -3,    -4,    -4,    -4
+};
+
+  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
+     Performed when YYTABLE does not specify something else to do.  Zero
+     means the default is an error.  */
+static const yytype_uint8 yydefact[] =
+{
+       2,     8,     9,    10,    11,    12,    16,    13,    15,    14,
+       0,     0,     3,     4,     7,     6,     0,     1,     5,    17
+};
+
+  /* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+      -4,    -4,    13,     9,    -4,    -4
+};
+
+  /* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+      -1,    11,    12,    13,    14,    15
+};
+
+  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
+     positive, shift that token.  If negative, reduce the rule whose
+     number is the opposite.  If YYTABLE_NINF, syntax error.  */
+static const yytype_uint8 yytable[] =
+{
+       1,     2,     3,     4,     5,     6,     7,     8,     9,    10,
+      19,     1,     2,     3,     4,     5,     6,     7,     8,     9,
+      10,    18,    17,    16,     0,    18
+};
+
+static const yytype_int8 yycheck[] =
+{
+       3,     4,     5,     6,     7,     8,     9,    10,    11,    12,
+      13,     3,     4,     5,     6,     7,     8,     9,    10,    11,
+      12,    12,     0,    10,    -1,    16
+};
+
+  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+     symbol of state STATE-NUM.  */
+static const yytype_uint8 yystos[] =
+{
+       0,     3,     4,     5,     6,     7,     8,     9,    10,    11,
+      12,    15,    16,    17,    18,    19,    16,     0,    17,    13
+};
+
+  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_uint8 yyr1[] =
+{
+       0,    14,    15,    15,    16,    16,    17,    17,    18,    18,
+      18,    18,    18,    18,    18,    18,    18,    19
+};
+
+  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
+static const yytype_uint8 yyr2[] =
+{
+       0,     2,     0,     1,     1,     2,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     1,     3
+};
+
+
+#define yyerrok         (yyerrstatus = 0)
+#define yyclearin       (yychar = YYEMPTY)
+#define YYEMPTY         (-2)
+#define YYEOF           0
+
+#define YYACCEPT        goto yyacceptlab
+#define YYABORT         goto yyabortlab
+#define YYERROR         goto yyerrorlab
+
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)                                  \
+do                                                              \
+  if (yychar == YYEMPTY)                                        \
+    {                                                           \
+      yychar = (Token);                                         \
+      yylval = (Value);                                         \
+      YYPOPSTACK (yylen);                                       \
+      yystate = *yyssp;                                         \
+      goto yybackup;                                            \
+    }                                                           \
+  else                                                          \
+    {                                                           \
+      yyerror (YY_("syntax error: cannot back up")); \
+      YYERROR;                                                  \
+    }                                                           \
+while (0)
+
+/* Error token number */
+#define YYTERROR        1
+#define YYERRCODE       256
+
+
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)                        \
+do {                                            \
+  if (yydebug)                                  \
+    YYFPRINTF Args;                             \
+} while (0)
+
+/* This macro is provided for backward compatibility. */
+#ifndef YY_LOCATION_PRINT
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+#endif
+
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \
+do {                                                                      \
+  if (yydebug)                                                            \
+    {                                                                     \
+      YYFPRINTF (stderr, "%s ", Title);                                   \
+      yy_symbol_print (stderr,                                            \
+                  Type, Value); \
+      YYFPRINTF (stderr, "\n");                                           \
+    }                                                                     \
+} while (0)
+
+
+/*----------------------------------------.
+| Print this symbol's value on YYOUTPUT.  |
+`----------------------------------------*/
+
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+{
+  FILE *yyo = yyoutput;
+  YYUSE (yyo);
+  if (!yyvaluep)
+    return;
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# endif
+  YYUSE (yytype);
+}
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+{
+  YYFPRINTF (yyoutput, "%s %s (",
+             yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);
+
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
+  YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
+
+static void
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)                            \
+do {                                                            \
+  if (yydebug)                                                  \
+    yy_stack_print ((Bottom), (Top));                           \
+} while (0)
+
+
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
+
+static void
+yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule)
+{
+  unsigned long int yylno = yyrline[yyrule];
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+             yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr,
+                       yystos[yyssp[yyi + 1 - yynrhs]],
+                       &(yyvsp[(yyi + 1) - (yynrhs)])
+                                              );
+      YYFPRINTF (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)          \
+do {                                    \
+  if (yydebug)                          \
+    yy_reduce_print (yyssp, yyvsp, Rule); \
+} while (0)
+
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
+
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined __GLIBC__ && defined _STRING_H
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+static YYSIZE_T
+yystrlen (const char *yystr)
+{
+  YYSIZE_T yylen;
+  for (yylen = 0; yystr[yylen]; yylen++)
+    continue;
+  return yylen;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+{
+  char *yyd = yydest;
+  const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      YYSIZE_T yyn = 0;
+      char const *yyp = yystr;
+
+      for (;;)
+        switch (*++yyp)
+          {
+          case '\'':
+          case ',':
+            goto do_not_strip_quotes;
+
+          case '\\':
+            if (*++yyp != '\\')
+              goto do_not_strip_quotes;
+            /* Fall through.  */
+          default:
+            if (yyres)
+              yyres[yyn] = *yyp;
+            yyn++;
+            break;
+
+          case '"':
+            if (yyres)
+              yyres[yyn] = '\0';
+            return yyn;
+          }
+    do_not_strip_quotes: ;
+    }
+
+  if (! yyres)
+    return yystrlen (yystr);
+
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
+   about the unexpected token YYTOKEN for the state stack whose top is
+   YYSSP.
+
+   Return 0 if *YYMSG was successfully written.  Return 1 if *YYMSG is
+   not large enough to hold the message.  In that case, also set
+   *YYMSG_ALLOC to the required number of bytes.  Return 2 if the
+   required number of bytes is too large to store.  */
+static int
+yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
+                yytype_int16 *yyssp, int yytoken)
+{
+  YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
+  YYSIZE_T yysize = yysize0;
+  enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+  /* Internationalized format string. */
+  const char *yyformat = YY_NULLPTR;
+  /* Arguments of yyformat. */
+  char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+  /* Number of reported tokens (one for the "unexpected", one per
+     "expected"). */
+  int yycount = 0;
+
+  /* There are many possibilities here to consider:
+     - If this state is a consistent state with a default action, then
+       the only way this function was invoked is if the default action
+       is an error action.  In that case, don't check for expected
+       tokens because there are none.
+     - The only way there can be no lookahead present (in yychar) is if
+       this state is a consistent state with a default action.  Thus,
+       detecting the absence of a lookahead is sufficient to determine
+       that there is no unexpected or expected token to report.  In that
+       case, just report a simple "syntax error".
+     - Don't assume there isn't a lookahead just because this state is a
+       consistent state with a default action.  There might have been a
+       previous inconsistent state, consistent state with a non-default
+       action, or user semantic action that manipulated yychar.
+     - Of course, the expected token list depends on states to have
+       correct lookahead information, and it depends on the parser not
+       to perform extra reductions after fetching a lookahead from the
+       scanner and before detecting a syntax error.  Thus, state merging
+       (from LALR or IELR) and default reductions corrupt the expected
+       token list.  However, the list is correct for canonical LR with
+       one exception: it will still contain any token that will not be
+       accepted due to an error action in a later state.
+  */
+  if (yytoken != YYEMPTY)
+    {
+      int yyn = yypact[*yyssp];
+      yyarg[yycount++] = yytname[yytoken];
+      if (!yypact_value_is_default (yyn))
+        {
+          /* Start YYX at -YYN if negative to avoid negative indexes in
+             YYCHECK.  In other words, skip the first -YYN actions for
+             this state because they are default actions.  */
+          int yyxbegin = yyn < 0 ? -yyn : 0;
+          /* Stay within bounds of both yycheck and yytname.  */
+          int yychecklim = YYLAST - yyn + 1;
+          int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+          int yyx;
+
+          for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+            if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
+                && !yytable_value_is_error (yytable[yyx + yyn]))
+              {
+                if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+                  {
+                    yycount = 1;
+                    yysize = yysize0;
+                    break;
+                  }
+                yyarg[yycount++] = yytname[yyx];
+                {
+                  YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
+                  if (! (yysize <= yysize1
+                         && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+                    return 2;
+                  yysize = yysize1;
+                }
+              }
+        }
+    }
+
+  switch (yycount)
+    {
+# define YYCASE_(N, S)                      \
+      case N:                               \
+        yyformat = S;                       \
+      break
+      YYCASE_(0, YY_("syntax error"));
+      YYCASE_(1, YY_("syntax error, unexpected %s"));
+      YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
+      YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
+      YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
+      YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
+# undef YYCASE_
+    }
+
+  {
+    YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
+    if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
+      return 2;
+    yysize = yysize1;
+  }
+
+  if (*yymsg_alloc < yysize)
+    {
+      *yymsg_alloc = 2 * yysize;
+      if (! (yysize <= *yymsg_alloc
+             && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
+        *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
+      return 1;
+    }
+
+  /* Avoid sprintf, as that infringes on the user's name space.
+     Don't have undefined behavior even if the translation
+     produced a string with the wrong number of "%s"s.  */
+  {
+    char *yyp = *yymsg;
+    int yyi = 0;
+    while ((*yyp = *yyformat) != '\0')
+      if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
+        {
+          yyp += yytnamerr (yyp, yyarg[yyi++]);
+          yyformat += 2;
+        }
+      else
+        {
+          yyp++;
+          yyformat++;
+        }
+  }
+  return 0;
+}
+#endif /* YYERROR_VERBOSE */
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
+{
+  YYUSE (yyvaluep);
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  YYUSE (yytype);
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+}
+
+
+
+
+/* The lookahead symbol.  */
+int yychar;
+
+/* The semantic value of the lookahead symbol.  */
+YYSTYPE yylval;
+/* Number of syntax errors so far.  */
+int yynerrs;
+
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+int
+yyparse (void)
+{
+    int yystate;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus;
+
+    /* The stacks and their tools:
+       'yyss': related to states.
+       'yyvs': related to semantic values.
+
+       Refer to the stacks through separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
+
+    /* The state stack.  */
+    yytype_int16 yyssa[YYINITDEPTH];
+    yytype_int16 *yyss;
+    yytype_int16 *yyssp;
+
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;
+
+    YYSIZE_T yystacksize;
+
+  int yyn;
+  int yyresult;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yytoken = 0;
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  yyssp = yyss = yyssa;
+  yyvsp = yyvs = yyvsa;
+  yystacksize = YYINITDEPTH;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yystate = 0;
+  yyerrstatus = 0;
+  yynerrs = 0;
+  yychar = YYEMPTY; /* Cause a token to be read.  */
+  goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed.  So pushing a state here evens the stacks.  */
+  yyssp++;
+
+ yysetstate:
+  *yyssp = yystate;
+
+  if (yyss + yystacksize - 1 <= yyssp)
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+      {
+        /* Give user a chance to reallocate the stack.  Use copies of
+           these so that the &'s don't force the real ones into
+           memory.  */
+        YYSTYPE *yyvs1 = yyvs;
+        yytype_int16 *yyss1 = yyss;
+
+        /* Each stack pointer address is followed by the size of the
+           data in use in that stack, in bytes.  This used to be a
+           conditional around just the two extra args, but that might
+           be undefined if yyoverflow is a macro.  */
+        yyoverflow (YY_("memory exhausted"),
+                    &yyss1, yysize * sizeof (*yyssp),
+                    &yyvs1, yysize * sizeof (*yyvsp),
+                    &yystacksize);
+
+        yyss = yyss1;
+        yyvs = yyvs1;
+      }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyexhaustedlab;
+# else
+      /* Extend the stack our own way.  */
+      if (YYMAXDEPTH <= yystacksize)
+        goto yyexhaustedlab;
+      yystacksize *= 2;
+      if (YYMAXDEPTH < yystacksize)
+        yystacksize = YYMAXDEPTH;
+
+      {
+        yytype_int16 *yyss1 = yyss;
+        union yyalloc *yyptr =
+          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+        if (! yyptr)
+          goto yyexhaustedlab;
+        YYSTACK_RELOCATE (yyss_alloc, yyss);
+        YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+#  undef YYSTACK_RELOCATE
+        if (yyss1 != yyssa)
+          YYSTACK_FREE (yyss1);
+      }
+# endif
+#endif /* no yyoverflow */
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+                  (unsigned long int) yystacksize));
+
+      if (yyss + yystacksize - 1 <= yyssp)
+        YYABORT;
+    }
+
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
+  goto yybackup;
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+
+  /* Do appropriate processing given the current state.  Read a
+     lookahead token if we need one and don't already have one.  */
+
+  /* First try to decide what to do without reference to lookahead token.  */
+  yyn = yypact[yystate];
+  if (yypact_value_is_default (yyn))
+    goto yydefault;
+
+  /* Not known => get a lookahead token if don't already have one.  */
+
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token: "));
+      yychar = yylex ();
+    }
+
+  if (yychar <= YYEOF)
+    {
+      yychar = yytoken = YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else
+    {
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
+    }
+
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yytable_value_is_error (yyn))
+        goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  /* Shift the lookahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
+
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
+
+  yystate = yyn;
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     '$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+        case 3:
+#line 26 "parser.y" /* yacc.c:1646  */
+    { std::cout << "<html><head><style> \
+                                    .keyword {color:blue;} \
+                                    .operator {color:#0e7c31; font-weight: bold} \
+                                    .number {color:#d119b2;} .string {color:red;} \
+                                    .block {display: inline; overflow: hidden;} \
+                                    .collapsible { background: none; border: 1px black solid;} \
+                                    .comment {color:grey; font-style: italic;} \
+                                    .line_number {opacity: 0.5;} \
+                                    .decorator {color:#1a1f63; font-style: italic;} \
+                                   </style> \
+                                   </head><body><pre><span class=\"line_number\">1. </span>" << (yyvsp[0]) << "</pre><script> \
+                                    var block = document.getElementsByClassName(\"block\"); \
+                                    var j; \
+                                    for (j = 0; j < block.length; j++) { \
+                                        block[j].style.display = \"inline\"; \
+                                    } \
+                                    var coll = document.getElementsByClassName(\"collapsible\"); \
+                                    var i; \
+                                    for (i = 0; i < coll.length; i++) { \
+                                        coll[i].addEventListener(\"click\", function() { \
+                                            var content = this.nextElementSibling; \
+                                            if (content.style.display === \"inline\"){ \
+                                                content.style.display = \"none\"; \
+                                                this.innerHTML = \"+\"; \
+                                            } else { \
+                                                content.style.display = \"inline\"; \
+                                                this.innerHTML = \"-\"; \
+                                            } \
+                                        }); \
+                                    } \
+                                   </script></body></html>"; }
+#line 1249 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 5:
+#line 59 "parser.y" /* yacc.c:1646  */
+    {(yyval) = (yyvsp[-1]) + (yyvsp[0]);}
+#line 1255 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 8:
+#line 64 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"keyword\">" + (yyvsp[0]) + "</span>"; }
+#line 1261 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 9:
+#line 65 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"string\">" + (yyvsp[0]) + "</span>"; }
+#line 1267 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 10:
+#line 66 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"number\">" + (yyvsp[0]) + "</span>"; }
+#line 1273 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 11:
+#line 67 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"identifier\">" + (yyvsp[0]) + "</span>"; }
+#line 1279 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 12:
+#line 68 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"operator\">" + (yyvsp[0]) + "</span>"; }
+#line 1285 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 13:
+#line 69 "parser.y" /* yacc.c:1646  */
+    { (yyval) = (yyvsp[0]) + "<span class=\"line_number\">" + std::to_string(++current_line) + ". </span>";}
+#line 1291 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 14:
+#line 70 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"comment\">" + (yyvsp[0]) + "</span>"; }
+#line 1297 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 15:
+#line 71 "parser.y" /* yacc.c:1646  */
+    { (yyval) = "<span class=\"decorator\">" + (yyvsp[0]) + "</span>"; }
+#line 1303 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+  case 17:
+#line 74 "parser.y" /* yacc.c:1646  */
+    {(yyval) = "{" + std::string("<button class=\"collapsible\">-</button><div class=\"block\">") + (yyvsp[-1]) + "</div>}";}
+#line 1309 "parser.tab.c" /* yacc.c:1646  */
+    break;
+
+
+#line 1313 "parser.tab.c" /* yacc.c:1646  */
+      default: break;
+    }
+  /* User semantic actions sometimes alter yychar, and that requires
+     that yytoken be updated with the new translation.  We take the
+     approach of translating immediately before every use of yytoken.
+     One alternative is translating here after every semantic action,
+     but that translation would be missed if the semantic action invokes
+     YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
+     if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
+     incorrect destructor might then be invoked immediately.  In the
+     case of YYERROR or YYBACKUP, subsequent parser actions might lead
+     to an incorrect destructor call or verbose syntax error message
+     before the lookahead is translated.  */
+  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+
+  *++yyvsp = yyval;
+
+  /* Now 'shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
+
+  yyn = yyr1[yyn];
+
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+    yystate = yytable[yystate];
+  else
+    yystate = yydefgoto[yyn - YYNTOKENS];
+
+  goto yynewstate;
+
+
+/*--------------------------------------.
+| yyerrlab -- here on detecting error.  |
+`--------------------------------------*/
+yyerrlab:
+  /* Make sure we have latest lookahead translation.  See comments at
+     user semantic actions for why this is necessary.  */
+  yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);
+
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+#if ! YYERROR_VERBOSE
+      yyerror (YY_("syntax error"));
+#else
+# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
+                                        yyssp, yytoken)
+      {
+        char const *yymsgp = YY_("syntax error");
+        int yysyntax_error_status;
+        yysyntax_error_status = YYSYNTAX_ERROR;
+        if (yysyntax_error_status == 0)
+          yymsgp = yymsg;
+        else if (yysyntax_error_status == 1)
+          {
+            if (yymsg != yymsgbuf)
+              YYSTACK_FREE (yymsg);
+            yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
+            if (!yymsg)
+              {
+                yymsg = yymsgbuf;
+                yymsg_alloc = sizeof yymsgbuf;
+                yysyntax_error_status = 2;
+              }
+            else
+              {
+                yysyntax_error_status = YYSYNTAX_ERROR;
+                yymsgp = yymsg;
+              }
+          }
+        yyerror (yymsgp);
+        if (yysyntax_error_status == 2)
+          goto yyexhaustedlab;
+      }
+# undef YYSYNTAX_ERROR
+#endif
+    }
+
+
+
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse lookahead token after an
+         error, discard it.  */
+
+      if (yychar <= YYEOF)
+        {
+          /* Return failure if at end of input.  */
+          if (yychar == YYEOF)
+            YYABORT;
+        }
+      else
+        {
+          yydestruct ("Error: discarding",
+                      yytoken, &yylval);
+          yychar = YYEMPTY;
+        }
+    }
+
+  /* Else will try to reuse lookahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
+
+
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
+
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+  if (/*CONSTCOND*/ 0)
+     goto yyerrorlab;
+
+  /* Do not reclaim the symbols of the rule whose action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
+
+
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;      /* Each real token shifted decrements this.  */
+
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (!yypact_value_is_default (yyn))
+        {
+          yyn += YYTERROR;
+          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+            {
+              yyn = yytable[yyn];
+              if (0 < yyn)
+                break;
+            }
+        }
+
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+        YYABORT;
+
+
+      yydestruct ("Error: popping",
+                  yystos[yystate], yyvsp);
+      YYPOPSTACK (1);
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
+    }
+
+  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
+  *++yyvsp = yylval;
+  YY_IGNORE_MAYBE_UNINITIALIZED_END
+
+
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#if !defined yyoverflow || YYERROR_VERBOSE
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));
+  yyresult = 2;
+  /* Fall through.  */
+#endif
+
+yyreturn:
+  if (yychar != YYEMPTY)
+    {
+      /* Make sure we have latest lookahead translation.  See comments at
+         user semantic actions for why this is necessary.  */
+      yytoken = YYTRANSLATE (yychar);
+      yydestruct ("Cleanup: discarding lookahead",
+                  yytoken, &yylval);
+    }
+  /* Do not reclaim the symbols of the rule whose action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
+    {
+      yydestruct ("Cleanup: popping",
+                  yystos[*yyssp], yyvsp);
+      YYPOPSTACK (1);
+    }
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);
+#endif
+  return yyresult;
+}
+#line 76 "parser.y" /* yacc.c:1906  */
+
+int yyerror(const char* error)
+{
+    std::cerr << "error:\n" << error;
+    return 0;
+}
+int main()
+{
+    yyparse();
+    return 0;
+}
diff --git a/homework/81352/ts2html-hw2/parser.tab.h b/homework/81352/ts2html-hw2/parser.tab.h
new file mode 100644
index 0000000..24b5cc0
--- /dev/null
+++ b/homework/81352/ts2html-hw2/parser.tab.h
@@ -0,0 +1,77 @@
+/* A Bison parser, made by GNU Bison 3.0.4.  */
+
+/* Bison interface for Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
+
+   This program 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 of the License, or
+   (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+#ifndef YY_YY_PARSER_TAB_H_INCLUDED
+# define YY_YY_PARSER_TAB_H_INCLUDED
+/* Debug traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+#if YYDEBUG
+extern int yydebug;
+#endif
+/* "%code requires" blocks.  */
+#line 8 "parser.y" /* yacc.c:1909  */
+#include <string>
+
+#line 47 "parser.tab.h" /* yacc.c:1909  */
+
+/* Token type.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+  enum yytokentype
+  {
+    KEYWORD = 258,
+    STRING = 259,
+    NUMBER = 260,
+    IDENTIFIER = 261,
+    OPERATOR = 262,
+    OTHER = 263,
+    NEWLINE = 264,
+    DECORATOR = 265,
+    COMMENT = 266
+  };
+#endif
+
+/* Value type.  */
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef std::string YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
+# define YYSTYPE_IS_DECLARED 1
+#endif
+
+
+extern YYSTYPE yylval;
+
+int yyparse (void);
+
+#endif /* !YY_YY_PARSER_TAB_H_INCLUDED  */
diff --git a/homework/81352/ts2html-hw2/parser.y b/homework/81352/ts2html-hw2/parser.y
new file mode 100644
index 0000000..53a56c4
--- /dev/null
+++ b/homework/81352/ts2html-hw2/parser.y
@@ -0,0 +1,86 @@
+%{
+#include <iostream>
+int yylex();
+int yyerror(const char* error);
+int current_line = 1;
+%}
+
+%code requires {#include <string>}
+%start input
+%define api.value.type {std::string}
+
+%token KEYWORD
+%token STRING
+%token NUMBER
+%token IDENTIFIER
+%token OPERATOR
+%token OTHER
+%token NEWLINE
+%token DECORATOR
+%token COMMENT
+
+
+%%
+
+input:  %empty
+        | program  { std::cout << "<html><head><style> \
+                                    .keyword {color:blue;} \
+                                    .operator {color:#0e7c31; font-weight: bold} \
+                                    .number {color:#d119b2;} .string {color:red;} \
+                                    .block {display: inline; overflow: hidden;} \
+                                    .collapsible { background: none; border: 1px black solid;} \
+                                    .comment {color:grey; font-style: italic;} \
+                                    .line_number {opacity: 0.5;} \
+                                    .decorator {color:#1a1f63; font-style: italic;} \
+                                   </style> \
+                                   </head><body><pre><span class=\"line_number\">1. </span>" << $1 << "</pre><script> \
+                                    var block = document.getElementsByClassName(\"block\"); \
+                                    var j; \
+                                    for (j = 0; j < block.length; j++) { \
+                                        block[j].style.display = \"inline\"; \
+                                    } \
+                                    var coll = document.getElementsByClassName(\"collapsible\"); \
+                                    var i; \
+                                    for (i = 0; i < coll.length; i++) { \
+                                        coll[i].addEventListener(\"click\", function() { \
+                                            var content = this.nextElementSibling; \
+                                            if (content.style.display === \"inline\"){ \
+                                                content.style.display = \"none\"; \
+                                                this.innerHTML = \"+\"; \
+                                            } else { \
+                                                content.style.display = \"inline\"; \
+                                                this.innerHTML = \"-\"; \
+                                            } \
+                                        }); \
+                                    } \
+                                   </script></body></html>"; }
+
+program: expr
+         | program expr {$$ = $1 + $2;}
+
+expr:  block
+       | nonblock
+
+nonblock: KEYWORD { $$ = "<span class=\"keyword\">" + $1 + "</span>"; }
+          | STRING { $$ = "<span class=\"string\">" + $1 + "</span>"; }
+          | NUMBER { $$ = "<span class=\"number\">" + $1 + "</span>"; }
+          | IDENTIFIER { $$ = "<span class=\"identifier\">" + $1 + "</span>"; }
+          | OPERATOR { $$ = "<span class=\"operator\">" + $1 + "</span>"; }
+          | NEWLINE { $$ = $1 + "<span class=\"line_number\">" + std::to_string(++current_line) + ". </span>";}
+          | COMMENT { $$ = "<span class=\"comment\">" + $1 + "</span>"; }
+          | DECORATOR { $$ = "<span class=\"decorator\">" + $1 + "</span>"; }
+          | OTHER
+
+block: '{' program '}' {$$ = "{" + std::string("<button class=\"collapsible\">-</button><div class=\"block\">") + $2 + "</div>}";}
+
+%%
+int yyerror(const char* error)
+{
+    std::cerr << "error:\n" << error;
+    return 0;
+}
+int main()
+{
+    yyparse();
+    return 0;
+}
diff --git a/homework/81352/ts2html-hw2/ts2html.flex b/homework/81352/ts2html-hw2/ts2html.flex
new file mode 100644
index 0000000..4b2ef00
--- /dev/null
+++ b/homework/81352/ts2html-hw2/ts2html.flex
@@ -0,0 +1,71 @@
+%{
+#include "parser.tab.h"
+%}
+
+DIGIT    [0-9]
+NUMBER   [1-9]{DIGIT}*
+FNUMBER  {DIGIT}+"."{DIGIT}*
+ID       [a-zA-Z_$][a-zA-Z0-9_$]*
+STRQ     '([^\']|(\\\'))*'
+STRDQ    \"([^\"]|(\\\"))*\"
+SINGLE_LINE_COMMENT "//"[^\n]*
+MULTI_LINE_COMMENT "/*".*"*/"  
+COMMENT  {SINGLE_LINE_COMMENT}|{MULTI_LINE_COMMENT}
+DECORATOR @[a-zA-Z]+
+%%
+
+break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|false|finally|for|function|if|import|in|instanceof|new|null|return|super|switch|this|throw|true|try|typeof|var|void|while|with|as|implements|interface|let|package|private|protected|public|static|yield|any|boolean|constructor|declare|get|module|require|number|set|string|symbol|type|from|of {
+    yylval = yytext;
+    return KEYWORD;
+}
+
+{COMMENT} {
+    yylval = yytext;
+    return COMMENT;
+}
+
+{DECORATOR} {
+    yylval = yytext;
+    return DECORATOR;
+}
+
+"{" { return '{'; }
+
+"}" { return '}'; }
+
+{STRQ}|{STRDQ} {
+    yylval = yytext;
+    return STRING;
+}
+
+{NUMBER}|{FNUMBER} {
+    yylval = yytext;
+    return NUMBER;
+}
+
+{ID} {
+    yylval = yytext;
+    return IDENTIFIER;
+}
+
+":"|"?"|"."|"!"|"~"|"-"|"+"|"++"|"--"|"*"|"/"|"%"|"<<"|">>"|">>>"|"<"|"<="|">"|">="|"=="|"!="|"==="|"!=="|"&"|"^"|"|"|"&&"|"||"|"="|"+="|"-="|"*="|"/="|"%="|"<<="|">>="|">>>="|"&="|"^="|"|="|"=>" {
+    yylval = yytext;
+    return OPERATOR;
+}
+
+\n {
+    yylval = yytext;
+    return NEWLINE; 
+}
+
+. {
+    yylval = yytext;
+    return OTHER;
+}
+
+%%
+
+int yywrap()
+{
+    return 1;
+}
\ No newline at end of file