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- /* A lexical scanner generated by flex */
-
- /* scanner skeleton version:
- * $Header: /usr/fsys/odin/a/vern/flex/RCS/flex.skel,v 2.16 90/08/03 14:09:36 vern Exp $
- */
-
- #define FLEX_SCANNER
-
- #include <stdio.h>
-
-
- /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
- #ifdef c_plusplus
- #ifndef __cplusplus
- #define __cplusplus
- #endif
- #endif
-
-
- #ifdef __cplusplus
-
- #include <stdlib.h>
- #include <osfcn.h>
-
- /* use prototypes in function declarations */
- #define YY_USE_PROTOS
-
- /* the "const" storage-class-modifier is valid */
- #define YY_USE_CONST
-
- #else /* ! __cplusplus */
-
- #ifdef __STDC__
-
- #ifdef __GNUC__
- #include <stddef.h>
- void *malloc( size_t );
- void free( void* );
- #else
- #include <stdlib.h>
- #endif /* __GNUC__ */
-
- #define YY_USE_PROTOS
- #define YY_USE_CONST
-
- #endif /* __STDC__ */
- #endif /* ! __cplusplus */
-
-
- #ifdef __TURBOC__
- #define YY_USE_PROTOS
- #define YY_USE_CONST
- #endif
-
-
- #ifndef YY_USE_CONST
- #define const
- #endif
-
-
- #ifdef YY_USE_PROTOS
- #define YY_PROTO(proto) proto
- #else
- #define YY_PROTO(proto) ()
-
- #ifdef __TURBOC__
- #include <alloc.h>
- #include <io.h>
- #else
- /* we can't get here if it's an ANSI C compiler, or a C++ compiler,
- * so it's got to be a K&R compiler, and therefore there's no standard
- * place from which to include these definitions
- */
- char *malloc();
- int free();
- int read();
- #endif
- #endif
-
-
- /* amount of stuff to slurp up with each read */
- #ifndef YY_READ_BUF_SIZE
- #define YY_READ_BUF_SIZE 8192
- #endif
-
- /* returned upon end-of-file */
- #define YY_END_TOK 0
-
- /* copy whatever the last rule matched to the standard output */
-
- /* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */
- /* this used to be an fputs(), but since the string might contain NUL's,
- * we now use fwrite()
- */
- #define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout )
-
- /* gets input and stuffs it into "buf". number of characters read, or YY_NULL,
- * is returned in "result".
- */
- #define YY_INPUT(buf,result,max_size) \
- if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
- YY_FATAL_ERROR( "read() in flex scanner failed" );
- #define YY_NULL 0
-
- /* 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.
- */
- #define yyterminate() return ( YY_NULL )
-
- /* report a fatal error */
-
- /* The funky do-while is used to turn this macro definition into
- * a single C statement (which needs a semi-colon terminator).
- * This avoids problems with code like:
- *
- * if ( something_happens )
- * YY_FATAL_ERROR( "oops, the something happened" );
- * else
- * everything_okay();
- *
- * Prior to using the do-while the compiler would get upset at the
- * "else" because it interpreted the "if" statement as being all
- * done when it reached the ';' after the YY_FATAL_ERROR() call.
- */
-
- #define YY_FATAL_ERROR(msg) \
- do \
- { \
- (void) fputs( msg, stderr ); \
- (void) putc( '\n', stderr ); \
- exit( 1 ); \
- } \
- while ( 0 )
-
- /* default yywrap function - always treat EOF as an EOF */
- #define yywrap() 1
-
- /* enter a start condition. This macro really ought to take a parameter,
- * but we do it the disgusting crufty way forced on us by the ()-less
- * definition of BEGIN
- */
- #define BEGIN yy_start = 1 + 2 *
-
- /* 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 \
- do \
- { \
- yy_init_buffer( yy_current_buffer, yyin ); \
- yy_load_buffer_state(); \
- } \
- while ( 0 )
-
- /* default declaration of generated scanner - a define so the user can
- * easily add parameters
- */
- #define YY_DECL int yylex YY_PROTO(( void ))
-
- /* code executed at the end of each rule */
- #define YY_BREAK break;
-
- #define YY_END_OF_BUFFER_CHAR 0
-
- #ifndef YY_BUF_SIZE
- #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */
- #endif
-
- typedef struct yy_buffer_state *YY_BUFFER_STATE;
-
- #define YY_CHAR char
- #define INITIAL 0
- /**************************************************************************/
- /* MODULE: bat2csh.l */
- /* PURPOSE: converts dos batch files to unix csh files */
- /* AUTHOR: Bill Pierpoint */
- /* LEX: FLEX Version 2.3.7 */
- /* COMPILER: Borland C Version 3.1 */
- /* COPYRIGHT: None. Public Domain. */
- /* VERSION: 1.00 */
- /* RELEASE: January 12, 1994 */
- /**************************************************************************/
- #include <stdc.h>
- #ifdef __BORLANDC__
- #pragma hdrstop
- #endif
-
- #define putstr(s) fputs((s), stdout)
- #define puttab() fputc('\t', stdout)
- #define putln() fputc('\n', stdout)
- #define token(t) (t)
- #define ckeol(t) do { if((t)==EOL) { puts(" ### SYNTAX ERROR ###"); \
- errorcount++; return;} } while(0)
- #define cktok(t, x) do { if((t)!=(x)) { puts(" ### SYNTAX ERROR ###"); \
- errorcount++; eattokens(); return;} } while(0)
-
- typedef struct
- {
- int token;
- void (*fn)(void);
- } FNTBL;
-
- #define STRBUFSIZE 129
- char textbuf[STRBUFSIZE];
-
- /**************************************************************************/
- /* token enumeration */
- /**************************************************************************/
- enum {
- OTHER=1,
- EOL,
- SPACE,
- VARIABLE,
- PARAMETER,
- WORD,
- INIT_CALL,
- INIT_ECHO,
- INIT_FOR,
- INIT_GOTO,
- INIT_IF,
- INIT_PATH,
- INIT_PAUSE,
- INIT_REM,
- INIT_SET,
- INIT_SHIFT,
- INIT_LABEL,
- INIT_COMMAND,
- ECHO_ON,
- ECHO_OFF,
- ECHO_DOT,
- IF_NOT,
- IF_ERRORLEVEL,
- IF_EXIST,
- FOR_VARIABLE,
- FOR_IN,
- FOR_WORDLIST,
- FOR_DO
- };
-
- /**************************************************************************/
- /* function prototypes */
- /**************************************************************************/
- /* support functions */
- char *cvt_parameter(char *s);
- char *cvt_variable(char *s);
- char *cvt_for_variable(char *s);
- char *cvt_set_variable(int token);
- char *cvt_token(int token, char *s);
- int dispatch(void);
- void indent(void);
- int lex(void);
- void putbacktoken(void);
- void puttokln(int token, char *start, char *end);
- int reporterrors(void);
- void terminate(void);
- char *tr(char *s, int oldch, int newch);
-
- /* keyword functions */
- void kw_call(void);
- void kw_command(void);
- void kw_echo(void);
- void kw_for(void);
- void kw_goto(void);
- void kw_if(void);
- void kw_label(void);
- void kw_ln(void);
- void kw_path(void);
- void kw_pause(void);
- void kw_remark(void);
- void kw_set(void);
- void kw_shift(void);
-
- #define ECHOS 1
- #define TEXT 2
- #define FOR 3
-
- /* done after the current pattern has been matched and before the
- * corresponding action - sets up yytext
- */
- #define YY_DO_BEFORE_ACTION \
- yytext = yy_bp; \
- yyleng = yy_cp - yy_bp; \
- yy_hold_char = *yy_cp; \
- *yy_cp = '\0'; \
- yy_c_buf_p = yy_cp;
-
- #define EOB_ACT_CONTINUE_SCAN 0
- #define EOB_ACT_END_OF_FILE 1
- #define EOB_ACT_LAST_MATCH 2
-
- /* return all but the first 'n' matched characters back to the input stream */
- #define yyless(n) \
- do \
- { \
- /* undo effects of setting up yytext */ \
- *yy_cp = yy_hold_char; \
- yy_c_buf_p = yy_cp = yy_bp + n; \
- YY_DO_BEFORE_ACTION; /* set up yytext again */ \
- } \
- while ( 0 )
-
- #define unput(c) yyunput( c, yytext )
-
-
- struct yy_buffer_state
- {
- FILE *yy_input_file;
-
- YY_CHAR *yy_ch_buf; /* input buffer */
- YY_CHAR *yy_buf_pos; /* current position in input buffer */
-
- /* size of input buffer in bytes, not including room for EOB characters*/
- int yy_buf_size;
-
- /* number of characters read into yy_ch_buf, not including EOB characters */
- int yy_n_chars;
-
- int yy_eof_status; /* whether we've seen an EOF on this buffer */
- #define EOF_NOT_SEEN 0
- /* "pending" happens when the EOF has been seen but there's still
- * some text process
- */
- #define EOF_PENDING 1
- #define EOF_DONE 2
- };
-
- static YY_BUFFER_STATE yy_current_buffer;
-
- /* 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"
- */
- #define YY_CURRENT_BUFFER yy_current_buffer
-
-
- /* yy_hold_char holds the character lost when yytext is formed */
- static YY_CHAR yy_hold_char;
-
- static int yy_n_chars; /* number of characters read into yy_ch_buf */
-
-
-
- #ifndef YY_USER_ACTION
- #define YY_USER_ACTION
- #endif
-
- #ifndef YY_USER_INIT
- #define YY_USER_INIT
- #endif
-
- extern YY_CHAR *yytext;
- extern int yyleng;
- extern FILE *yyin, *yyout;
-
- YY_CHAR *yytext;
- int yyleng;
-
- FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
-
- #define YY_END_OF_BUFFER 33
- typedef int yy_state_type;
- static const short int yy_accept[94] =
- { 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 33, 31,
- 29, 28, 14, 14, 14, 14, 14, 14, 14, 14,
- 14, 13, 1, 30, 17, 30, 21, 31, 30, 30,
- 31, 31, 31, 31, 29, 14, 14, 14, 14, 14,
- 6, 14, 14, 14, 14, 12, 30, 30, 15, 21,
- 0, 0, 23, 30, 30, 30, 0, 26, 25, 14,
- 14, 4, 14, 14, 14, 8, 9, 14, 16, 22,
- 24, 30, 30, 18, 27, 2, 3, 5, 10, 14,
- 14, 30, 30, 7, 11, 30, 20, 30, 30, 30,
- 30, 19, 0
-
- } ;
-
- static const YY_CHAR yy_ec[128] =
- { 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, 4, 4, 6, 4, 5, 7,
- 8, 5, 5, 5, 4, 9, 5, 10, 10, 10,
- 10, 10, 10, 10, 10, 10, 10, 11, 2, 5,
- 2, 5, 5, 12, 13, 4, 14, 15, 16, 17,
- 18, 19, 20, 4, 4, 21, 22, 23, 24, 25,
- 4, 26, 27, 28, 29, 30, 4, 31, 4, 4,
- 5, 5, 5, 5, 5, 5, 13, 4, 14, 15,
-
- 16, 17, 18, 19, 20, 4, 4, 21, 22, 23,
- 24, 25, 4, 26, 27, 28, 29, 30, 4, 31,
- 4, 4, 4, 5, 4, 4, 1
- } ;
-
- static const YY_CHAR yy_meta[32] =
- { 0,
- 1, 1, 1, 2, 3, 4, 2, 5, 3, 2,
- 3, 3, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2
- } ;
-
- static const short int yy_base[102] =
- { 0,
- 0, 21, 33, 57, 81, 104, 126, 145, 112, 200,
- 109, 200, 0, 96, 94, 79, 78, 84, 87, 83,
- 21, 0, 200, 0, 0, 21, 96, 35, 17, 72,
- 89, 0, 70, 70, 90, 0, 70, 71, 63, 60,
- 0, 18, 64, 57, 60, 0, 0, 62, 0, 76,
- 71, 0, 70, 49, 54, 45, 64, 200, 200, 50,
- 46, 0, 45, 49, 40, 0, 0, 48, 0, 200,
- 0, 40, 35, 0, 200, 0, 0, 0, 0, 45,
- 28, 29, 26, 0, 0, 32, 0, 36, 21, 34,
- 28, 0, 200, 165, 170, 174, 178, 182, 186, 191,
-
- 194
- } ;
-
- static const short int yy_def[102] =
- { 0,
- 93, 1, 94, 94, 94, 94, 95, 95, 93, 93,
- 93, 93, 96, 96, 96, 96, 96, 96, 96, 96,
- 96, 97, 93, 98, 98, 98, 93, 99, 98, 98,
- 93, 100, 93, 93, 93, 96, 96, 96, 96, 96,
- 96, 96, 96, 96, 96, 97, 98, 98, 98, 93,
- 99, 101, 99, 98, 98, 98, 100, 93, 93, 96,
- 96, 96, 96, 96, 96, 96, 96, 96, 98, 93,
- 101, 98, 98, 98, 93, 96, 96, 96, 96, 96,
- 96, 98, 98, 96, 96, 98, 98, 98, 98, 98,
- 98, 98, 0, 93, 93, 93, 93, 93, 93, 93,
-
- 93
- } ;
-
- static const short int yy_nxt[232] =
- { 0,
- 10, 11, 12, 13, 10, 10, 13, 13, 10, 13,
- 10, 10, 13, 14, 13, 15, 16, 17, 13, 18,
- 13, 13, 13, 13, 19, 20, 21, 13, 13, 13,
- 13, 22, 23, 10, 11, 12, 44, 48, 10, 45,
- 52, 25, 54, 49, 53, 64, 65, 55, 92, 91,
- 90, 89, 88, 87, 86, 85, 26, 10, 11, 12,
- 84, 83, 10, 82, 81, 25, 80, 79, 78, 77,
- 76, 75, 74, 73, 72, 70, 70, 50, 69, 68,
- 26, 10, 27, 12, 67, 66, 28, 63, 62, 61,
- 60, 35, 59, 58, 52, 56, 29, 50, 43, 42,
-
- 41, 40, 39, 30, 10, 27, 12, 38, 37, 28,
- 35, 93, 93, 93, 93, 93, 93, 93, 93, 29,
- 93, 93, 93, 93, 93, 93, 30, 11, 12, 93,
- 93, 31, 32, 93, 93, 93, 93, 93, 93, 93,
- 33, 93, 93, 93, 93, 34, 11, 12, 93, 93,
- 31, 32, 93, 93, 93, 93, 93, 93, 93, 33,
- 93, 93, 93, 93, 34, 24, 24, 24, 24, 24,
- 10, 10, 10, 10, 10, 36, 93, 93, 36, 46,
- 93, 93, 46, 47, 47, 93, 47, 51, 93, 51,
- 51, 57, 57, 57, 57, 71, 93, 93, 71, 9,
-
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93
- } ;
-
- static const short int yy_chk[232] =
- { 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, 2, 2, 3, 3, 3, 21, 26, 3, 21,
- 28, 3, 29, 26, 28, 42, 42, 29, 91, 90,
- 89, 88, 86, 83, 82, 81, 3, 4, 4, 4,
- 80, 73, 4, 72, 68, 4, 65, 64, 63, 61,
- 60, 57, 56, 55, 54, 53, 51, 50, 48, 45,
- 4, 5, 5, 5, 44, 43, 5, 40, 39, 38,
- 37, 35, 34, 33, 31, 30, 5, 27, 20, 19,
-
- 18, 17, 16, 5, 6, 6, 6, 15, 14, 6,
- 11, 9, 0, 0, 0, 0, 0, 0, 0, 6,
- 0, 0, 0, 0, 0, 0, 6, 7, 7, 0,
- 0, 7, 7, 0, 0, 0, 0, 0, 0, 0,
- 7, 0, 0, 0, 0, 7, 8, 8, 0, 0,
- 8, 8, 0, 0, 0, 0, 0, 0, 0, 8,
- 0, 0, 0, 0, 8, 94, 94, 94, 94, 94,
- 95, 95, 95, 95, 95, 96, 0, 0, 96, 97,
- 0, 0, 97, 98, 98, 0, 98, 99, 0, 99,
- 99, 100, 100, 100, 100, 101, 0, 0, 101, 93,
-
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
- 93
- } ;
-
- static yy_state_type yy_last_accepting_state;
- static YY_CHAR *yy_last_accepting_cpos;
-
- /* 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
-
- /* these variables are all declared out here so that section 3 code can
- * manipulate them
- */
- /* points to current character in buffer */
- static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0;
- static int yy_init = 1; /* whether we need to initialize */
- static int yy_start = 0; /* start state number */
-
- /* flag which is used to allow yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin. A bit of a hack ...
- */
- static int yy_did_buffer_switch_on_eof;
-
- static yy_state_type yy_get_previous_state YY_PROTO(( void ));
- static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
- static int yy_get_next_buffer YY_PROTO(( void ));
- static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr ));
- void yyrestart YY_PROTO(( FILE *input_file ));
- void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
- void yy_load_buffer_state YY_PROTO(( void ));
- YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
- void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
- void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
-
- #define yy_new_buffer yy_create_buffer
-
- #ifdef __cplusplus
- static int yyinput YY_PROTO(( void ));
- #else
- static int input YY_PROTO(( void ));
- #endif
-
- YY_DECL
- {
- register yy_state_type yy_current_state;
- register YY_CHAR *yy_cp, *yy_bp;
- register int yy_act;
-
-
-
- if ( yy_init )
- {
- YY_USER_INIT;
-
- if ( ! yy_start )
- yy_start = 1; /* first start state */
-
- if ( ! yyin )
- yyin = stdin;
-
- if ( ! yyout )
- yyout = stdout;
-
- if ( yy_current_buffer )
- yy_init_buffer( yy_current_buffer, yyin );
- else
- yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
-
- yy_load_buffer_state();
-
- yy_init = 0;
- }
-
- while ( 1 ) /* loops until end-of-file is reached */
- {
- yy_cp = yy_c_buf_p;
-
- /* support of yytext */
- *yy_cp = yy_hold_char;
-
- /* yy_bp points to the position in yy_ch_buf of the start of the
- * current run.
- */
- yy_bp = yy_cp;
-
- yy_current_state = yy_start;
- if ( yy_bp[-1] == '\n' )
- ++yy_current_state;
- yy_match:
- do
- {
- register YY_CHAR yy_c = yy_ec[*yy_cp];
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = yy_def[yy_current_state];
- if ( yy_current_state >= 94 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- ++yy_cp;
- }
- while ( yy_base[yy_current_state] != 200 );
-
- yy_find_action:
- yy_act = yy_accept[yy_current_state];
-
- YY_DO_BEFORE_ACTION;
- YY_USER_ACTION;
-
- do_action: /* this label is used only to access EOF actions */
-
-
- switch ( yy_act )
- {
- case 0: /* must backtrack */
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *yy_cp = yy_hold_char;
- yy_cp = yy_last_accepting_cpos;
- yy_current_state = yy_last_accepting_state;
- goto yy_find_action;
-
- case 1:
- ;
- YY_BREAK
- case 2:
- return token(INIT_CALL);
- YY_BREAK
- case 3:
- return token(INIT_ECHO);
- YY_BREAK
- case 4:
- return token(INIT_FOR);
- YY_BREAK
- case 5:
- return token(INIT_GOTO);
- YY_BREAK
- case 6:
- return token(INIT_IF);
- YY_BREAK
- case 7:
- return token(INIT_PAUSE);
- YY_BREAK
- case 8:
- return token(INIT_REM);
- YY_BREAK
- case 9:
- return token(INIT_SET);
- YY_BREAK
- case 10:
- return token(INIT_PATH);
- YY_BREAK
- case 11:
- return token(INIT_SHIFT);
- YY_BREAK
- case 12:
- return token(INIT_LABEL);
- YY_BREAK
- case 13:
- return token(INIT_REM);
- YY_BREAK
- case 14:
- return token(INIT_COMMAND);
- YY_BREAK
- case 15:
- return token(ECHO_ON);
- YY_BREAK
- case 16:
- return token(ECHO_OFF);
- YY_BREAK
- case 17:
- return token(ECHO_DOT);
- YY_BREAK
- case 18:
- return token(IF_NOT);
- YY_BREAK
- case 19:
- return token(IF_ERRORLEVEL);
- YY_BREAK
- case 20:
- return token(IF_EXIST);
- YY_BREAK
- case 21:
- return token(SPACE);
- YY_BREAK
- case 22:
- return token(VARIABLE);
- YY_BREAK
- case 23:
- return token(PARAMETER);
- YY_BREAK
- case 24:
- return token(FOR_VARIABLE);
- YY_BREAK
- case 25:
- return token(FOR_IN);
- YY_BREAK
- case 26:
- return token(FOR_DO);
- YY_BREAK
- case 27:
- return token(FOR_WORDLIST);
- YY_BREAK
- case 28:
- return token(EOL);
- YY_BREAK
- case 29:
- ;
- YY_BREAK
- case 30:
- return token(WORD);
- YY_BREAK
- case 31:
- return token(OTHER);
- YY_BREAK
- case 32:
- ECHO;
- YY_BREAK
- case YY_STATE_EOF(INITIAL):
- case YY_STATE_EOF(ECHOS):
- case YY_STATE_EOF(TEXT):
- case YY_STATE_EOF(FOR):
- yyterminate();
-
- case YY_END_OF_BUFFER:
- {
- /* amount of text matched not including the EOB char */
- int yy_amount_of_matched_text = yy_cp - yytext - 1;
-
- /* undo the effects of YY_DO_BEFORE_ACTION */
- *yy_cp = yy_hold_char;
-
- /* 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 yyinput().
- */
- 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 + 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 + 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
- {
- 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 + YY_MORE_ADJ;
-
- yy_act = YY_STATE_EOF((yy_start - 1) / 2);
- 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 + yy_amount_of_matched_text;
-
- yy_current_state = yy_get_previous_state();
-
- yy_cp = yy_c_buf_p;
- yy_bp = yytext + YY_MORE_ADJ;
- goto yy_match;
-
- case EOB_ACT_LAST_MATCH:
- yy_c_buf_p =
- &yy_current_buffer->yy_ch_buf[yy_n_chars];
-
- yy_current_state = yy_get_previous_state();
-
- yy_cp = yy_c_buf_p;
- yy_bp = yytext + YY_MORE_ADJ;
- goto yy_find_action;
- }
- break;
- }
-
- default:
- #ifdef FLEX_DEBUG
- printf( "action # %d\n", yy_act );
- #endif
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--no action found" );
- }
- }
- }
-
-
- /* yy_get_next_buffer - try to read in a new buffer
- *
- * synopsis
- * int yy_get_next_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()
-
- {
- register YY_CHAR *dest = yy_current_buffer->yy_ch_buf;
- register YY_CHAR *source = yytext - 1; /* copy prev. char, too */
- register int number_to_move, i;
- int ret_val;
-
- if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
- YY_FATAL_ERROR(
- "fatal flex scanner internal error--end of buffer missed" );
-
- /* try to read more data */
-
- /* first move last chars to start of buffer */
- number_to_move = yy_c_buf_p - yytext;
-
- for ( i = 0; i < number_to_move; ++i )
- *(dest++) = *(source++);
-
- if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
- /* don't do the read, it's not guaranteed to return an EOF,
- * just force an EOF
- */
- yy_n_chars = 0;
-
- else
- {
- int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1;
-
- if ( num_to_read > YY_READ_BUF_SIZE )
- num_to_read = YY_READ_BUF_SIZE;
-
- else if ( num_to_read <= 0 )
- YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );
-
- /* read in more data */
- YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
- yy_n_chars, num_to_read );
- }
-
- if ( yy_n_chars == 0 )
- {
- if ( number_to_move == 1 )
- {
- ret_val = EOB_ACT_END_OF_FILE;
- yy_current_buffer->yy_eof_status = EOF_DONE;
- }
-
- else
- {
- ret_val = EOB_ACT_LAST_MATCH;
- yy_current_buffer->yy_eof_status = EOF_PENDING;
- }
- }
-
- else
- ret_val = EOB_ACT_CONTINUE_SCAN;
-
- yy_n_chars += number_to_move;
- yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
- yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
-
- /* yytext begins at the second character in yy_ch_buf; the first
- * character is the one which preceded it before reading in the latest
- * buffer; it needs to be kept around in case it's a newline, so
- * yy_get_previous_state() will have with '^' rules active
- */
-
- yytext = &yy_current_buffer->yy_ch_buf[1];
-
- return ( ret_val );
- }
-
-
- /* yy_get_previous_state - get the state just before the EOB char was reached
- *
- * synopsis
- * yy_state_type yy_get_previous_state();
- */
-
- static yy_state_type yy_get_previous_state()
-
- {
- register yy_state_type yy_current_state;
- register YY_CHAR *yy_cp;
-
- register YY_CHAR *yy_bp = yytext;
-
- yy_current_state = yy_start;
- if ( yy_bp[-1] == '\n' )
- ++yy_current_state;
-
- for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
- {
- register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1);
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = yy_def[yy_current_state];
- if ( yy_current_state >= 94 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + 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 );
- */
-
- #ifdef YY_USE_PROTOS
- static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state )
- #else
- static yy_state_type yy_try_NUL_trans( yy_current_state )
- register yy_state_type yy_current_state;
- #endif
-
- {
- register int yy_is_jam;
- register YY_CHAR *yy_cp = yy_c_buf_p;
-
- register YY_CHAR yy_c = 1;
- if ( yy_accept[yy_current_state] )
- {
- yy_last_accepting_state = yy_current_state;
- yy_last_accepting_cpos = yy_cp;
- }
- while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
- {
- yy_current_state = yy_def[yy_current_state];
- if ( yy_current_state >= 94 )
- yy_c = yy_meta[yy_c];
- }
- yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
- yy_is_jam = (yy_base[yy_current_state] == 200);
-
- return ( yy_is_jam ? 0 : yy_current_state );
- }
-
-
- #ifdef YY_USE_PROTOS
- static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp )
- #else
- static void yyunput( c, yy_bp )
- YY_CHAR c;
- register YY_CHAR *yy_bp;
- #endif
-
- {
- register YY_CHAR *yy_cp = yy_c_buf_p;
-
- /* undo effects of setting up yytext */
- *yy_cp = yy_hold_char;
-
- if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
- { /* need to shift things up to make room */
- register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */
- register YY_CHAR *dest =
- &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2];
- register YY_CHAR *source =
- &yy_current_buffer->yy_ch_buf[number_to_move];
-
- while ( source > yy_current_buffer->yy_ch_buf )
- *--dest = *--source;
-
- yy_cp += dest - source;
- yy_bp += dest - source;
- yy_n_chars = yy_current_buffer->yy_buf_size;
-
- if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
- }
-
- if ( yy_cp > yy_bp && yy_cp[-1] == '\n' )
- yy_cp[-2] = '\n';
-
- *--yy_cp = c;
-
- /* note: the formal parameter *must* be called "yy_bp" for this
- * macro to now work correctly
- */
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- }
-
-
- #ifdef __cplusplus
- static int yyinput()
- #else
- static int input()
- #endif
-
- {
- int c;
- YY_CHAR *yy_cp = yy_c_buf_p;
-
- *yy_cp = yy_hold_char;
-
- if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
- {
- /* yy_c_buf_p now points to the character we want to return.
- * If this occurs *before* the EOB characters, then it's a
- * valid NUL; if not, then we've hit the end of the buffer.
- */
- if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
- /* this was really a NUL */
- *yy_c_buf_p = '\0';
-
- else
- { /* need more input */
- yytext = yy_c_buf_p;
- ++yy_c_buf_p;
-
- switch ( yy_get_next_buffer() )
- {
- case EOB_ACT_END_OF_FILE:
- {
- if ( yywrap() )
- {
- yy_c_buf_p = yytext + YY_MORE_ADJ;
- return ( EOF );
- }
-
- YY_NEW_FILE;
-
- #ifdef __cplusplus
- return ( yyinput() );
- #else
- return ( input() );
- #endif
- }
- break;
-
- case EOB_ACT_CONTINUE_SCAN:
- yy_c_buf_p = yytext + YY_MORE_ADJ;
- break;
-
- case EOB_ACT_LAST_MATCH:
- #ifdef __cplusplus
- YY_FATAL_ERROR( "unexpected last match in yyinput()" );
- #else
- YY_FATAL_ERROR( "unexpected last match in input()" );
- #endif
- }
- }
- }
-
- c = *yy_c_buf_p;
- yy_hold_char = *++yy_c_buf_p;
-
- return ( c );
- }
-
-
- #ifdef YY_USE_PROTOS
- void yyrestart( FILE *input_file )
- #else
- void yyrestart( input_file )
- FILE *input_file;
- #endif
-
- {
- yy_init_buffer( yy_current_buffer, input_file );
- yy_load_buffer_state();
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
- #else
- void yy_switch_to_buffer( new_buffer )
- YY_BUFFER_STATE new_buffer;
- #endif
-
- {
- if ( yy_current_buffer == new_buffer )
- return;
-
- if ( yy_current_buffer )
- {
- /* flush out information for old buffer */
- *yy_c_buf_p = yy_hold_char;
- yy_current_buffer->yy_buf_pos = yy_c_buf_p;
- yy_current_buffer->yy_n_chars = yy_n_chars;
- }
-
- yy_current_buffer = new_buffer;
- yy_load_buffer_state();
-
- /* 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.
- */
- yy_did_buffer_switch_on_eof = 1;
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_load_buffer_state( void )
- #else
- void yy_load_buffer_state()
- #endif
-
- {
- yy_n_chars = yy_current_buffer->yy_n_chars;
- yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
- yyin = yy_current_buffer->yy_input_file;
- yy_hold_char = *yy_c_buf_p;
- }
-
-
- #ifdef YY_USE_PROTOS
- YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
- #else
- YY_BUFFER_STATE yy_create_buffer( file, size )
- FILE *file;
- int size;
- #endif
-
- {
- YY_BUFFER_STATE b;
-
- b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) );
-
- if ( ! b )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- b->yy_buf_size = size;
-
- /* yy_ch_buf has to be 2 characters longer than the size given because
- * we need to put in 2 end-of-buffer characters.
- */
- b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) );
-
- if ( ! b->yy_ch_buf )
- YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
- yy_init_buffer( b, file );
-
- return ( b );
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_delete_buffer( YY_BUFFER_STATE b )
- #else
- void yy_delete_buffer( b )
- YY_BUFFER_STATE b;
- #endif
-
- {
- if ( b == yy_current_buffer )
- yy_current_buffer = (YY_BUFFER_STATE) 0;
-
- free( (char *) b->yy_ch_buf );
- free( (char *) b );
- }
-
-
- #ifdef YY_USE_PROTOS
- void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
- #else
- void yy_init_buffer( b, file )
- YY_BUFFER_STATE b;
- FILE *file;
- #endif
-
- {
- b->yy_input_file = file;
-
- /* we put in the '\n' and start reading from [1] so that an
- * initial match-at-newline will be true.
- */
-
- b->yy_ch_buf[0] = '\n';
- b->yy_n_chars = 1;
-
- /* 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[1] = YY_END_OF_BUFFER_CHAR;
- b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR;
-
- b->yy_buf_pos = &b->yy_ch_buf[1];
-
- b->yy_eof_status = EOF_NOT_SEEN;
- }
-
-
- #ifdef __BORLANDC__
- #pragma option -w
- #endif
-
- /**************************************************************************/
- /* global variables */
- /**************************************************************************/
- int cmdtoken; /* first token in each batch line */
- int errorcount=0; /* syntax error counter */
- int errorlevelflag=0; /* control use of "set errorlevel=$status" */
- int indentlevel=0; /* indent level of output */
-
- /**************************************************************************/
- /* support functions */
- /**************************************************************************/
- /* report any errors */
- int reporterrors()
- {
- char s[7];
-
- if (errorcount) {
- itoa(errorcount, s, 10);
- fputs("\n\nNUMBER OF ERRORS = ", stderr);
- fputs(s, stderr);
- fputs("\n\n", stderr);
- return EXIT_FAILURE;
- }
- return EXIT_SUCCESS;
- }
-
- /* abnormal termination */
- void terminate(void)
- {
- putln();
- puts(" ### PREMATURE END-OF-FILE ###");
- errorcount++;
- exit(reporterrors());
- }
-
- /* wrapper for yylex */
- int lex(void)
- {
- int result; /* return result */
- static int count=0; /* count number of times yylex returns 0 */
-
- result = yylex();
- if (!result) {
- if (count==1) {
- terminate();
- } else { /* handle possible premature eof */
- count++;
- result = EOL;
- }
- }
- return result;
- }
-
- /* indent output based on global indentlevel */
- void indent(void)
- {
- int i;
-
- for (i=0; i<indentlevel; i++) puttab();
- }
-
- /* put token back to input stream */
- /* note: flex 2.3.7 yyless(0) not available in section 3 */
- void putbacktoken(void)
- {
- int i;
-
- for (i=yyleng-1; i>=0; i--) {
- unput(yytext[i]);
- }
- }
-
- /* translate character in string s */
- char *tr(char *s, int oldch, int newch)
- {
- char *sp = s;
-
- do {
- if (*sp==oldch) *sp=newch;
- } while (*sp++);
- return s;
- }
-
- /* convert replaceable parameter, e.g. %1 -> $1 */
- char *cvt_parameter(char *s)
- {
- strcpy(textbuf, s);
- *textbuf='$';
- return textbuf;
- }
-
- /* convert variable, e.g. %PATH% -> ${path} */
- char *cvt_variable(char *s)
- {
- char *sp;
-
- strcpy(textbuf, "${");
- sp = s;
- sp++;
- strncat(textbuf, sp, yyleng-2);
- strcat(textbuf, "}");
- return strlwr(textbuf);
- }
-
- /* convert variable used with 'for' keyword, e.g. %%F -> ${f} */
- char *cvt_for_variable(char *s)
- {
- char *sp;
-
- strcpy(textbuf, "${");
- sp = s;
- sp += 2;
- strncat(textbuf, sp, yyleng-2);
- strcat(textbuf, "}");
- return strlwr(textbuf);
- }
-
- /* convert variable used with set keyword, e.g. ${f} -> f */
- char *cvt_set_variable(int token)
- {
- int len;
-
- switch(token) {
- case VARIABLE:
- case FOR_VARIABLE:
- len = strlen(textbuf)-2;
- memmove(textbuf, textbuf+2, len);
- textbuf[len-1]='\0';
- break;
- default:
- break;
- }
- return textbuf;
- }
-
- /* convert from batch format to csh format */
- char *cvt_token(int token, char *s)
- {
- char *sp, *tp=textbuf;
-
- switch(token) {
- case PARAMETER:
- if (s) cvt_parameter(s);
- else cvt_parameter(yytext);
- break;
- case VARIABLE:
- if (s) cvt_variable(s);
- else cvt_variable(yytext);
- break;
- case FOR_VARIABLE:
- if (s) cvt_for_variable(s);
- else cvt_for_variable(yytext);
- break;
- case SPACE:
- if (s) strcpy(textbuf, s);
- else strcpy(textbuf, yytext);
- /* translate delimiter if set or path */
- if (cmdtoken==INIT_SET || cmdtoken==INIT_PATH)
- tr(textbuf, ';', ' ');
- break;
- default:
- if (s) strcpy(textbuf, s);
- else strcpy(textbuf, yytext);
- tr(textbuf, '/', '-'); /* translate options specifier */
- tr(textbuf, '\\', '/'); /* translate directory separator */
- sp = strchr(textbuf, ':'); /* skip over drive specifier */
- if (sp) {
- tp = ++sp;
- }
- /* convert to lower case unless remark or echo */
- if (!(cmdtoken==INIT_REM || cmdtoken==INIT_ECHO) ||
- strchr(tp, '/') || strchr(textbuf, ':')) {
- strlwr(tp);
- }
- break;
- }
- return tp;
- }
-
- /* print text associated with remaining tokens on line */
- void puttokln(int token, char *start, char *end)
- {
- char *tp;
-
- BEGIN(TEXT);
- ckeol(token);
- if (start) {
- tp = cvt_token(token, start);
- /* translate names of common commands */
- if (!strcmp(tp, "chdir")) strcpy(tp, "cd");
- else if (!strcmp(tp, "cls")) strcpy(tp, "clear");
- else if (!strcmp(tp, "command")) strcpy(tp, "csh");
- else if (!strcmp(tp, "copy")) strcpy(tp, "cp");
- else if (!strcmp(tp, "del")) strcpy(tp, "rm");
- else if (!strcmp(tp, "dir")) strcpy(tp, "ls");
- else if (!strcmp(tp, "erase")) strcpy(tp, "rm");
- else if (!strcmp(tp, "md")) strcpy(tp, "mkdir");
- else if (!strcmp(tp, "move")) strcpy(tp, "mv");
- else if (!strcmp(tp, "print")) strcpy(tp, "pr");
- else if (!strcmp(tp, "rd")) strcpy(tp, "rmdir");
- else if (!strcmp(tp, "ren")) strcpy(tp, "mv");
- else if (!strcmp(tp, "rename")) strcpy(tp, "mv");
- else if (!strcmp(tp, "time")) strcpy(tp, "date");
- else if (!strcmp(tp, "type")) strcpy(tp, "cat");
- else if (!strcmp(tp, "xcopy /s")) strcpy(tp, "cp -r");
- else if (!strcmp(tp, "xcopy")) strcpy(tp, "cp");
- putstr(tp);
- }
- while ((token=lex())!=EOL) {
- putstr(cvt_token(token, NULL));
- }
- if (end) {
- putstr(end);
- }
- putln();
- }
-
- /* eat remainder of line */
- void eattokens(void)
- {
- BEGIN(TEXT);
- while (lex()!=EOL) ;
- }
-
- /**************************************************************************/
- /* batch keyword functions */
- /**************************************************************************/
- void kw_call(void)
- {
- errorlevelflag=0;
- indent();
- puttokln(INIT_CALL, "csh ", NULL);
- }
-
- void kw_command(void)
- {
- int token;
-
- errorlevelflag=0;
- putbacktoken();
- BEGIN(TEXT);
- token = lex();
- indent();
- puttokln(token, yytext, NULL);
- }
-
- void kw_echo(void)
- {
- int token;
-
- BEGIN(ECHOS);
- token = lex();
- switch(token) {
- case ECHO_ON:
- eattokens();
- break;
- case ECHO_OFF:
- eattokens();
- break;
- case ECHO_DOT:
- indent();
- puts("echo ''");
- eattokens();
- break;
- case EOL:
- break;
- default:
- indent();
- putstr("echo ");
- putbacktoken();
- puttokln(INIT_ECHO, NULL, NULL);
- break;
- }
- }
-
- void kw_for(void)
- {
- int token;
-
- BEGIN(FOR);
- indent();
- putstr("foreach ");
-
- /* get variable */
- token = lex();
- ckeol(token);
- cktok(token, FOR_VARIABLE);
- if (yyleng>2) putstr(yytext+2);
-
- /* check for "in" keyword */
- token = lex();
- ckeol(token);
- cktok(token, FOR_IN);
- putstr(" ");
-
- /* get wordlist */
- token = lex();
- ckeol(token);
- cktok(token, FOR_WORDLIST);
- putstr(yytext);
-
- /* check for "do" keyword */
- token = lex();
- ckeol(token);
- cktok(token, FOR_DO);
- putln();
-
- /* process command */
- indentlevel++;
- if (dispatch()==EOF) terminate();
- indentlevel--;
-
- /* end foreach */
- indent();
- puts("end");
- }
-
- void kw_goto(void)
- {
- indent();
- puttokln(INIT_GOTO, yytext, NULL);
- }
-
- void kw_if(void)
- {
- int token;
- int not = 0;
- char *sp, strbuf[STRBUFSIZE];
-
- BEGIN(TEXT);
- for (;;) {
- while ((token=lex())==SPACE) ;
- ckeol(token);
- switch (token) {
- case IF_NOT:
- not = !not;
- continue;
- case IF_ERRORLEVEL:
- if (errorlevelflag==0) {
- errorlevelflag=1;
- indent();
- puts("set errorlevel=$status");
- }
- while ((token=lex())==SPACE) ;
- ckeol(token);
- indent();
- if (not) {
- putstr("if (${errorlevel} < ");
- } else {
- putstr("if (${errorlevel} >= ");
- }
- do {
- putstr(cvt_token(token, NULL));
- } while (!((token=lex())==SPACE||token==EOL));
- break;
- case IF_EXIST:
- while ((token=lex())==SPACE) ;
- indent();
- if (not) {
- putstr("if (! ");
- } else {
- putstr("if (");
- }
- ckeol(token);
- /* get file or directory name */
- strcpy(strbuf, "");
- do {
- strcat(strbuf, cvt_token(token, NULL));
- } while (!((token=lex())==SPACE||token==EOL));
- sp = strstr(strbuf, "/nul");
- if (sp && sp==strbuf+strlen(strbuf)-4) { /* directory */
- putstr("-d \"");
- *sp = '\0';
- } else { /* file */
- putstr("-f \"");
- }
- /* print file or directory name */
- putstr(strbuf);
- putstr("\"");
- break;
- default: /* must be string comparison */
- indent();
- putstr("if (");
- do {
- putstr(cvt_token(token, NULL));
- } while (!((token=lex())==SPACE||token==EOL));
- if (not) {
- putstr(" != ");
- } else {
- putstr(" == ");
- }
- ckeol(token);
- while ((token=lex())==SPACE) ;
- ckeol(token);
- do {
- putstr(cvt_token(token, NULL));
- } while (!((token=lex())==SPACE||token==EOL));
- break;
- }
- break;
- }
- putstr(")");
- ckeol(token);
- puts(" then");
-
- /* process command */
- indentlevel++;
- if (dispatch()==EOF) terminate();
- indentlevel--;
-
- /* end if */
- indent();
- puts("endif");
- }
-
- void kw_label(void)
- {
- strcpy(textbuf, yytext+1);
- strcat(textbuf, ":");
- puts(strlwr(textbuf));
- eattokens();
- }
-
- void kw_ln(void)
- {
- putln();
- }
-
- void kw_path(void)
- {
- int token;
-
- BEGIN(TEXT);
- while ((token=lex())==SPACE) ;
- indent();
- if (token==EOL) {
- putstr("unset path");
- putln();
- } else {
- putstr("set path=(");
- puttokln(token, yytext, ")");
- }
- indent();
- puts("rehash");
- }
-
- void kw_pause(void)
- {
- indent();
- puts("echo -n 'Press the Enter key to continue...'");
- indent();
- puts("echo -n $?");
- eattokens();
- }
-
- void kw_remark(void)
- {
- puttokln(INIT_REM, "#", NULL);
- }
-
- void kw_set(void)
- {
- int token;
-
- BEGIN(TEXT);
- while ((token=lex())==SPACE) ;
- if (token==EOL) {
- indent();
- puts("set");
- return;
- }
- cvt_token(token, NULL);
- cvt_set_variable(token);
- if (!stricmp(textbuf, "path")) {
- kw_path();
- return;
- }
-
- /* variable name in textbuf, variable contents in yytext */
- while ((token=lex())==SPACE) ;
- indent();
- if (token==EOL) {
- putstr("unset ");
- putstr(textbuf);
- putln();
- } else {
- putstr("set ");
- putstr(textbuf);
- putstr("=\"");
- puttokln(token, yytext, "\"");
- }
- }
-
- void kw_shift(void)
- {
- indent();
- puttokln(INIT_SHIFT, "shift ", NULL);
- }
-
- /**************************************************************************/
- /* keyword function table */
- /**************************************************************************/
- FNTBL fntbl[] =
- {
- {token(INIT_CALL), kw_call},
- {token(INIT_COMMAND), kw_command},
- {token(INIT_ECHO), kw_echo},
- {token(INIT_FOR), kw_for},
- {token(INIT_GOTO), kw_goto},
- {token(INIT_IF), kw_if},
- {token(INIT_LABEL), kw_label},
- {token(EOL), kw_ln},
- {token(INIT_PATH), kw_path},
- {token(INIT_PAUSE), kw_pause},
- {token(INIT_REM), kw_remark},
- {token(INIT_SET), kw_set},
- {token(INIT_SHIFT), kw_shift}
- };
-
- #define N_FNTBL sizeof(fntbl)/sizeof(fntbl[0])
-
- /**************************************************************************/
- /* function dispatcher */
- /**************************************************************************/
- int dispatch(void) /* returns 0=success; EOF=end of file */
- {
- int i, token;
-
- BEGIN(INITIAL);
- token = yylex();
- if (token) {
- for (i = 0; i < N_FNTBL; i++) {
- if (token == fntbl[i].token) {
- cmdtoken = token;
- fntbl[i].fn();
- return 0;
- }
- }
-
- /* no match, call kw_command() */
- cmdtoken = INIT_COMMAND;
- kw_command();
- return 0;
- }
- return EOF;
- }
-
- /**************************************************************************/
- /* main function */
- /**************************************************************************/
- int main()
- {
- puts("#! /bin/csh");
- while (dispatch()!=EOF) ;
- return reporterrors();
- }
-