ibrowser.c

linux 下的源代码分析阅读器 red hat公司新版

					/* highlighting end column	*/
		);

	BEGIN( INITIAL );
    }
}
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 282 "ibrowser.l"
{

    /* walk over the indentation (if any) */
    for ( p = yytext; isspace( *p ); sn_advance_column( 1 ), p++ );

    /* remember where equality name starts */
    savep = p;

    /* walk over the equality name */
    for ( ; !isspace( *p ); sn_advance_column( 1 ), p++ );
    *p = 0;				/* NULL-terminate equality name	*/

    setLower( savep );
    sn_insert_symbol( SN_CONS_DEF	/* symbol type			*/
	    , NULL			/* class name			*/
	    , savep			/* identifier			*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* start line number		*/
	    , sn_column() - strlen( savep )
					/* start column number		*/
	    , sn_line()			/* end line number		*/
	    , sn_column()		/* end column number		*/
	    , 0				/* attributes			*/
	    , NULL			/* return types			*/
	    , NULL			/* argument types		*/
	    , NULL			/* argument names		*/
	    , NULL			/* comment			*/
	    , sn_line()			/* highlighting start line	*/
	    , sn_column() - strlen( savep )
					/* highlighting start column	*/
	    , sn_line()			/* highlighting end line	*/
	    , sn_column()		/* highlighting end column	*/
	    );

    sn_advance_column( yytext + yyleng - p );
}
	YY_BREAK
case 9:
YY_RULE_SETUP
#line 319 "ibrowser.l"
{

    /* walk over the indentation (if any) */
    for ( p = yytext; isspace( *p ); sn_advance_column( 1 ), p++ );

    /* remember where symbol name starts */
    savep = p;

    /* walk over the symbol name */
    for ( ; *p != ':'; sn_advance_column( 1 ), p++ );
    *p = 0;				/* NULL-terminate symbol name	*/

    setLower( savep );
    sn_insert_symbol( SN_GLOB_VAR_DEF	/* symbol type			*/
	    , NULL			/* class name			*/
	    , savep			/* identifier			*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* start line number		*/
	    , sn_column() - strlen( savep )
					/* start column number		*/
	    , sn_line()			/* end line number		*/
	    , sn_column()		/* end column number		*/
	    , 0				/* attributes			*/
	    , NULL			/* return types			*/
	    , NULL			/* argument types		*/
	    , NULL			/* argument names		*/
	    , NULL			/* comment			*/
	    , sn_line()			/* highlighting start line	*/
	    , sn_column() - strlen( savep )
					/* highlighting start column	*/
	    , sn_line()			/* highlighting end line	*/
	    , sn_column()		/* highlighting end column	*/
	    );

    sn_advance_column( yytext + yyleng - p );
}
	YY_BREAK
case 10:
YY_RULE_SETUP
#line 356 "ibrowser.l"
{

    /* walk over the indentation (if any) */
    for ( p = yytext; isspace( *p ); sn_advance_column( 1 ), p++ );

    /* remember where symbol name starts */
    savep = p;

    /* walk over the symbol name */
    for ( ; *p != ':'; sn_advance_column( 1 ), p++ );
    *p = 0;				/* NULL-terminate symbol name	*/

    emit_func_defn();

    setLower( savep );
    strcpy( last_label.name, savep );
    last_label.line = sn_line();
    last_label.column = sn_column() - strlen( savep );
    last_label.length = strlen( savep );
    last_label.flag = 1;

    sn_advance_column( yytext + yyleng - p );
}
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 380 "ibrowser.l"
{

    /* walk over instruction mnemonic */
    for ( p = yytext; !isspace( *p ); p++ );

    /* walk over the whitespace between the opcode and the operand */
    for ( ; isspace( *p ); p++ );

    setLower( p );
    sn_insert_xref( SN_REF_TO_CONSTANT	/* referenced symbol type	*/
	    , SN_FUNC_DEF		/* scope type			*/
	    , SN_REF_SCOPE_GLOBAL	/* scope level			*/
	    , NULL			/* class name			*/
	    , last_label.name		/* calling function name	*/
	    , NULL			/* argument types		*/
	    , NULL			/* namespace of symbol		*/
	    , p				/* referenced symbol		*/
	    , NULL			/* referenced argument types	*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* line number			*/
	    , SN_REF_READ		/* access type			*/
	    );
    sn_advance_column( yyleng );
}
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 405 "ibrowser.l"
{

    /* walk over instruction mnemonic */
    for ( p = yytext; !isspace( *p ); p++ );

    /* walk over the whitespace between the opcode and the operand */
    for ( ; isspace( *p ); p++ );

    setLower( p );
    sn_insert_xref( SN_REF_TO_GLOB_VAR	/* referenced symbol type	*/
	    , SN_FUNC_DEF		/* scope type			*/
	    , SN_REF_SCOPE_GLOBAL	/* scope level			*/
	    , NULL			/* class name			*/
	    , last_label.name		/* calling function name	*/
	    , NULL			/* argument types		*/
	    , NULL			/* namespace of symbol		*/
	    , p				/* referenced symbol		*/
	    , NULL			/* referenced argument types	*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* line number			*/
	    , SN_REF_READ		/* access type			*/
	    );
    sn_advance_column( yyleng );
}
	YY_BREAK
case 13:
YY_RULE_SETUP
#line 430 "ibrowser.l"
{

    /* walk over instruction mnemonic */
    for ( p = yytext; !isspace( *p ); p++ );

    /* walk over the whitespace between the opcode and the operand */
    for ( ; isspace( *p ); p++ );

    setLower( p );
    sn_insert_xref( SN_REF_TO_GLOB_VAR	/* referenced symbol type	*/
	    , SN_FUNC_DEF		/* scope type			*/
	    , SN_REF_SCOPE_GLOBAL	/* scope level			*/
	    , NULL			/* class name			*/
	    , last_label.name		/* calling function name	*/
	    , NULL			/* argument types		*/
	    , NULL			/* namespace of symbol		*/
	    , p				/* referenced symbol		*/
	    , NULL			/* referenced argument types	*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* line number			*/
	    , SN_REF_WRITE		/* access type			*/
	    );
    sn_advance_column( yyleng );
}
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 455 "ibrowser.l"
{

    /* walk over instruction mnemonic and register definition */
    for ( p = yytext; *p != ','; p++ );

    /* walk over the whitespace between the comma and the second operand */
    for ( ; isspace( *p ); p++ );

    setLower( p );
    sn_insert_xref( SN_REF_TO_CONSTANT	/* referenced symbol type	*/
	    , SN_FUNC_DEF		/* scope type			*/
	    , SN_REF_SCOPE_GLOBAL	/* scope level			*/
	    , NULL			/* class name			*/
	    , last_label.name		/* calling function name	*/
	    , NULL			/* argument types		*/
	    , NULL			/* namespace of symbol		*/
	    , p				/* referenced symbol		*/
	    , NULL			/* referenced argument types	*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* line number			*/
	    , SN_REF_READ		/* access type			*/
	    );
    sn_advance_column( yyleng );
}
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 480 "ibrowser.l"
{

    /* walk over instruction mnemonic and register definition */
    for ( p = yytext; *p != ','; p++ );

    /* walk over the whitespace between the comma and the second operand */
    for ( ; isspace( *p ); p++ );

    setLower( p );
    sn_insert_xref( SN_REF_TO_CONSTANT	/* referenced symbol type	*/
	    , SN_FUNC_DEF		/* scope type			*/
	    , SN_REF_SCOPE_GLOBAL	/* scope level			*/
	    , NULL			/* class name			*/
	    , last_label.name		/* calling function name	*/
	    , NULL			/* argument types		*/
	    , NULL			/* namespace of symbol		*/
	    , p				/* referenced symbol		*/
	    , NULL			/* referenced argument types	*/
	    , sn_current_file()		/* file name			*/
	    , sn_line()			/* line number			*/
	    , SN_REF_READ		/* access type			*/
	    );
    sn_advance_column( yyleng );
}
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 505 "ibrowser.l"
{

    /* walk over any spaces after the leading ';' */
    for ( p = yytext, p++; isspace( *p ); p++ );

    sn_insert_comment( NULL		/* class name			*/
	    , last_label.name		/* function name		*/
	    , sn_current_file()		/* file name			*/
	    , p				/* comment			*/
	    , sn_line()			/* start line of comment	*/
	    , sn_column()		/* start column of comment	*/
	    );

    sn_advance_line();
    sn_reset_column();
}
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 522 "ibrowser.l"
{
      sn_advance_column( yyleng );	/* eat string literals */
}
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 526 "ibrowser.l"
{
      sn_advance_column( yyleng );	/* eat intel8085 code text */
}
	YY_BREAK
case 19:
YY_RULE_SETUP
#line 530 "ibrowser.l"
{
      sn_advance_line();
      sn_reset_column();
}
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 535 "ibrowser.l"
ECHO;
	YY_BREAK
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(MACRO):
	yyterminate();

	case YY_END_OF_BUFFER:
		{
		/* Amount of text matched not including the EOB char. */
		int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;

		/* Undo the effects of YY_DO_BEFORE_ACTION. */
		*yy_cp = yy_hold_char;
		YY_RESTORE_YY_MORE_OFFSET

		if ( yy_current_buffer->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.
			 */
			yy_n_chars = yy_current_buffer->yy_n_chars;
			yy_current_buffer->yy_input_file = yyin;
			yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
			}

		/* Note that here we test for yy_c_buf_p "<=" to the position
		 * of the first EOB in the buffer, since yy_c_buf_p will
		 * already have been incremented past the NUL character
		 * (since all states make transitions on EOB to the
		 * end-of-buffer state).  Contrast this with the test
		 * in input().
		 */
		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
			{ /* This was really a NUL. */
			yy_state_type yy_next_state;

			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;

			yy_current_state = yy_get_previous_state();

			/* Okay, we're now positioned to make the NUL
			 * transition.  We couldn't have
			 * yy_get_previous_state() go ahead and do it
			 * for us because it doesn't know how to deal
			 * with the possibility of jamming (and we don't
			 * want to build jamming into it because then it
			 * will run more slowly).
			 */

			yy_next_state = yy_try_NUL_trans( yy_current_state );

			yy_bp = yytext_ptr + YY_MORE_ADJ;

			if ( yy_next_state )
				{
				/* Consume the NUL. */
				yy_cp = ++yy_c_buf_p;
				yy_current_state = yy_next_state;
				goto yy_match;
				}

			else
				{
				yy_cp = yy_c_buf_p;
				goto yy_find_action;
				}
			}

		else switch ( yy_get_next_buffer() )
			{
			case EOB_ACT_END_OF_FILE:
				{
				yy_did_buffer_switch_on_eof = 0;

				if ( yywrap() )
					{
					/* 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.
					 */
					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;

					yy_act = YY_STATE_EOF(YY_START);
					goto do_action;
					}

				else
					{
					if ( ! yy_did_buffer_switch_on_eof )
						YY_NEW_FILE;
					}
				break;
				}

			case EOB_ACT_CONTINUE_SCAN:
				yy_c_buf_p =
					yytext_ptr + yy_amount_of_matched_text;

				yy_current_state = yy_get_previous_state();

				yy_cp = yy_c_buf_p;
				yy_bp = yytext_ptr + YY_MORE_ADJ;
				goto yy_match;