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Handle storing of procedure during parsing of buffer.

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!store and :labels.
Aggressive parsing empty blank and comment lines.
This commit is contained in:
Renaud 2021-09-05 12:01:02 +08:00
parent 95118b61c8
commit 0d0e2d86b2
6 changed files with 333 additions and 301 deletions
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14
blindmaz.cmd
View File

@ -22,7 +22,7 @@ set %DY3 -1
set %dotc &asc "•" # alternatively use "." set %dotc &asc "•" # alternatively use "."
store-procedure probe !store peep
set %OX &ind &cat "%DX" %nD set %OX &ind &cat "%DX" %nD
set %OY &ind &cat "%DY" %nD set %OY &ind &cat "%DY" %nD
set %nx &add %x %OX set %nx &add %x %OX
@ -54,14 +54,14 @@ store-procedure probe
set %D 0 # looking EAST set %D 0 # looking EAST
!while &les %x %stopcol !while &les %x %stopcol
set %nD &mod &add %D 3 4 # Can go left? set %nD &mod &add %D 3 4 # Can go left?
run probe run peep
!if &seq %res FALSE !if &not %res
set %nD %D # Can go straight? set %nD %D # Can go straight?
run probe run peep
!if &seq %res FALSE !if &not %res
set %nD &mod &add %D 1 4 # Can go right? set %nD &mod &add %D 1 4 # Can go right?
run probe run peep
!if &seq %res FALSE !if &not %res
set %D &mod &add %D 2 4 # Go back! set %D &mod &add %D 2 4 # Go back!
!endif !endif
!endif !endif

570
exec.c
View File

@ -66,9 +66,8 @@ static const char *dname[] = {
#define NUMDIRS ARRAY_SIZE( dname) #define NUMDIRS ARRAY_SIZE( dname)
static char golabel[ NSTRING] = "" ; /* current line to go to */ static char golabel[ NSTRING] = "" ; /* current line to go to */
static int execlevel = 0 ; /* execution IF level */
static buffer_p bstore = NULL ; /* buffer to store macro text to */ static buffer_p bstore = NULL ; /* buffer to store macro text to */
static int mstore = FALSE ; /* storing text to macro flag */ static int storing_f = FALSE ; /* storing text to macro flag */
static int dobuf( buffer_p bp) ; static int dobuf( buffer_p bp) ;
static int macarg( char *tok, int toksz) ; static int macarg( char *tok, int toksz) ;
@ -110,7 +109,6 @@ BINDABLE( execcmd) {
if( status != TRUE) if( status != TRUE)
return status ; return status ;
execlevel = 0 ;
while( status == TRUE && n-- > 0) while( status == TRUE && n-- > 0)
status = docmd( cmdstr) ; status = docmd( cmdstr) ;
@ -131,16 +129,10 @@ BINDABLE( execcmd) {
* char *cline; command line to execute * char *cline; command line to execute
*/ */
static int docmd( char *cline) { static int docmd( char *cline) {
boolean oldcle ; /* old contents of clexec flag */ char tkn[ NSTRING] ; /* next token off of command line */
char *oldestr ; /* original exec string */
char tkn[NSTRING] ; /* next token off of command line */
/* if we are scanning and not executing..go back here */ char *oldestr = execstr ; /* save last ptr to string to execute */
if (execlevel) execstr = cline ; /* and set this one as current */
return TRUE ;
oldestr = execstr ; /* save last ptr to string to execute */
execstr = cline ; /* and set this one as current */
/* first set up the default command values */ /* first set up the default command values */
int f = FALSE ; int f = FALSE ;
@ -165,8 +157,8 @@ static int docmd( char *cline) {
/* and now get the command to execute */ /* and now get the command to execute */
status = macarg( tkn, sizeof tkn) ; status = macarg( tkn, sizeof tkn) ;
if( status != TRUE) { if( status != TRUE) {
execstr = oldestr; execstr = oldestr ;
return status; return status ;
} }
} }
@ -182,15 +174,15 @@ static int docmd( char *cline) {
status = rdonly() ; status = rdonly() ;
else { else {
/* save the arguments and go execute the command */ /* save the arguments and go execute the command */
oldcle = clexec; /* save old clexec flag */ boolean oldcle = clexec ; /* save old clexec flag */
clexec = TRUE; /* in cline execution */ clexec = TRUE ; /* in cline execution */
status = fnc( f, n) ; /* call the function */ status = fnc( f, n) ; /* call the function */
clexec = oldcle; /* restore clexec flag */ clexec = oldcle ; /* restore clexec flag */
execstr = oldestr; execstr = oldestr ;
} }
cmdstatus = status; /* save the status */ cmdstatus = status ; /* save the status */
return status; return status ;
} }
/* /*
@ -360,10 +352,9 @@ static int macarg( char *tok, int toksz) {
return status ; return status ;
} }
/*
* storemac: /* storemac:
* Set up a macro buffer and flag to store all * Set up a macro buffer and start recording all command lines until !endm
* executed command lines there
* *
* int f; default flag * int f; default flag
* int n; macro number to use * int n; macro number to use
@ -371,7 +362,24 @@ static int macarg( char *tok, int toksz) {
static char macbufname[] = "*Macro xx*" ; static char macbufname[] = "*Macro xx*" ;
#define MACDIGITPOS 7 #define MACDIGITPOS 7
BINDABLE( storemac) { static boolean setstore( char *bufname) {
/* set up the new macro buffer */
bstore = bfind( bufname, TRUE, BFINVS) ;
if( bstore == NULL) {
storing_f = FALSE ; /* should be already the case as we are executing */
return mloutfail( "Can not create macro") ;
}
/* and make sure it is empty */
bclear( bstore) ;
/* start recording */
storing_f = TRUE ;
return TRUE ;
}
BBINDABLE( storemac) {
/* must have a numeric argument to this function */ /* must have a numeric argument to this function */
if( f == FALSE) if( f == FALSE)
return mloutfail( "No macro number specified"); return mloutfail( "No macro number specified");
@ -384,22 +392,11 @@ BINDABLE( storemac) {
macbufname[ MACDIGITPOS] = '0' + (n / 10) ; macbufname[ MACDIGITPOS] = '0' + (n / 10) ;
macbufname[ MACDIGITPOS + 1] = '0' + (n % 10) ; macbufname[ MACDIGITPOS + 1] = '0' + (n % 10) ;
/* set up the new macro buffer */ return setstore( macbufname) ;
buffer_p bp = bfind( macbufname, TRUE, BFINVS) ;
if( bp == NULL)
return mloutfail( "Can not create macro") ;
/* and make sure it is empty */
bclear( bp) ;
/* and set the macro store pointers to it */
mstore = TRUE ;
bstore = bp ;
return TRUE ;
} }
/*
** exec -- execute a buffer /* exec -- execute a buffer
** common to execute buffer, procedure and macro ** common to execute buffer, procedure and macro
*/ */
static int exec( int n, char *bufname, char *errstr) { static int exec( int n, char *bufname, char *errstr) {
@ -418,10 +415,9 @@ static int exec( int n, char *bufname, char *errstr) {
return status ; return status ;
} }
/*
* storeproc: /* storeproc:
* Set up a procedure buffer and flag to store all * Set up a procedure buffer and start recording all command lines until !endm
* executed command lines there
* *
* int f; default flag * int f; default flag
* int n; macro number to use * int n; macro number to use
@ -430,7 +426,7 @@ BINDABLE( storeproc) {
bname_t bname ; /* name of buffer to use */ bname_t bname ; /* name of buffer to use */
char *name ; char *name ;
/* a numeric argument means its a numbered macro */ /* a numeric argument means it is a numbered macro */
if( f == TRUE) if( f == TRUE)
return storemac( f, n) ; return storemac( f, n) ;
@ -445,22 +441,11 @@ BINDABLE( storeproc) {
strcat( bname, "*") ; strcat( bname, "*") ;
free( name) ; free( name) ;
/* set up the new macro buffer */ return setstore( bname) ;
buffer_p bp = bfind( bname, TRUE, BFINVS) ;
if( bp == NULL)
return mloutfail( "Can not create macro") ;
/* and make sure it is empty */
bclear( bp) ;
/* and set the macro store pointers to it */
mstore = TRUE ;
bstore = bp ;
return TRUE ;
} }
/*
* execproc: /* execproc:
* Execute a procedure * Execute a procedure
* *
* int f, n; default flag and numeric arg * int f, n; default flag and numeric arg
@ -493,7 +478,7 @@ BINDABLE( execbuf) {
char *bufn ; /* name of buffer to execute */ char *bufn ; /* name of buffer to execute */
/* find out what buffer the user wants to execute */ /* find out what buffer the user wants to execute */
int status = newmlarg( &bufn, "Execute buffer: ", sizeof( bname_t)) ; int status = newmlarg( &bufn, "execute-buffer: ", sizeof( bname_t)) ;
if( status != TRUE) if( status != TRUE)
return status ; return status ;
@ -516,9 +501,26 @@ static void freewhile( while_p wp) {
} }
static boolean storeline( char *eline, int linlen) {
/* allocate the space for the line */
line_p mp = lalloc( linlen) ;
if( mp == NULL)
return mloutfail( "Out of memory while storing macro") ;
/* copy the text into the new line */
memcpy( mp->l_text, eline, linlen) ; /* lalloc has set lp->l_used */
/* attach the line to the end of the buffer */
bstore->b_linep->l_bp->l_fp = mp ;
mp->l_bp = bstore->b_linep->l_bp ;
bstore->b_linep->l_bp = mp ;
mp->l_fp = bstore->b_linep ;
return TRUE ;
}
/* dobuf: /* dobuf:
* execute the contents of the buffer pointed to * execute the contents of the buffer pointed to by the passed BP
* by the passed BP
* *
* Directives start with a "!" and include: * Directives start with a "!" and include:
* *
@ -532,135 +534,199 @@ static void freewhile( while_p wp) {
* !while (cond) Execute a loop if the condition is true * !while (cond) Execute a loop if the condition is true
* !endwhile * !endwhile
* *
* Line Labels begin with a "*" as the first nonblank char, like: * Line Labels begin with a "*" or ':' as the first nonblank char, like:
* *
* *LBL01 * *LBL01 or :LBL01
* *
* buffer_p bp; buffer to execute * buffer_p bp; buffer to execute
*/ */
static int dobuf( buffer_p bp) { static int dobuf( buffer_p bp) {
int linlen ; /* length of line to execute */
int i ; /* index */
while_p whtemp ; /* temporary ptr to a struct while_block */ while_p whtemp ; /* temporary ptr to a struct while_block */
char *eline ; /* text of line to execute */ char *eline ; /* text of line to execute */
char tkn[ NSTRING] ; /* buffer to evaluate an expression in */ char tkn[ NSTRING] ; /* buffer to evaluate an expression in */
/* clear IF level flags/while ptr */ /* clear IF level flags/while ptr */
execlevel = 0 ;
while_p whlist = NULL ; /* ptr to !WHILE list */ while_p whlist = NULL ; /* ptr to !WHILE list */
while_p scanner = NULL ; /* ptr during scan */ while_p scanner = NULL ; /* ptr during scan */
/* scan the buffer to execute, building WHILE header blocks */ /* range of lines with labels, initially no lines in range */
line_p hlp = bp->b_linep ; /* pointer to line header */ line_p firstlbl = NULL ;
line_p eolbl = firstlbl ;
/* parse the buffer to execute, building WHILE header blocks */
storing_f = FALSE ;
const line_p hlp = bp->b_linep ; /* pointer to line header */
for( line_p lp = hlp->l_fp ; lp != hlp ; lp = lp->l_fp) { for( line_p lp = hlp->l_fp ; lp != hlp ; lp = lp->l_fp) {
/* scan the current line */ /* scan the current line */
eline = lp->l_text ; eline = lp->l_text ;
i = lp->l_used ; char const *eol = &eline[ lp->l_used] ;
for( ; eline < eol ; eline++)
if( *eline != ' ' && *eline != '\t')
break ;
/* trim leading whitespace */ /* empty blank and comment lines */
while (i-- > 0 && (*eline == ' ' || *eline == '\t')) if( eline == eol || *eline == '#' || *eline == ';') {
++eline; if( bp->b_nwnd != 0)
lp->l_used = 0 ;
else {
/* delete line if buffer is not displayed */
line_p curlp = lp ;
lp = lp->l_bp ;
lp->l_fp = curlp->l_fp ;
curlp->l_fp->l_bp = lp ;
free( curlp) ;
}
/* if theres nothing here, don't bother */ continue ;
if( i <= 0) }
continue ;
/* if it is a while directive, make a block... */ /* remove leading spaces */
if( eline[0] == '!' if( eline != lp->l_text) {
&& eline[1] == 'w' int size = lp->l_used = eol - eline ;
&& eline[2] == 'h') { if( size)
whtemp = malloc( sizeof *whtemp) ; memcpy( lp->l_text, eline, size) ;
if( whtemp == NULL) {
noram: eline = lp->l_text ;
eol = &lp->l_text[ size] ;
}
/* handle storing */
if( storing_f) {
if( !strncmp( eline, "!endm", 5)) {
bstore = NULL ;
storing_f = FALSE ;
} else if( !storeline( lp->l_text, lp->l_used))
goto failexit ;
lp->l_used = 0 ;
continue ;
}
/* process labels, update the range of lines containing labels */
if( *eline == ':' || *eline == '*') {
if( firstlbl == NULL)
firstlbl = lp ;
eolbl = lp->l_fp ;
continue ;
}
/* process directives, skip others */
if( *eline != '!')
continue ;
if( !strncmp( eline, "!store", 6)) {
if( lp->l_used < lp->l_size) {
eline[ lp->l_used] = 0 ;
execstr = &eline[ 6] ;
gettoken( &tkn[ 1], sizeof tkn - 1) ;
char c = tkn[ 1] ;
if( c >= '1' && c <= '9') { /* number >= 1 */
if( !storemac( TRUE, atoi( &tkn[ 1])))
goto failexit ;
} else { /* whatever */
*tkn = '*' ;
strcat( tkn, "*") ;
if( !setstore( tkn))
goto failexit ;
}
}
lp->l_used = 0 ;
continue ;
} else if( !strncmp( eline, "!while", 6)) {
/* if it is a while directive, make a block... */
whtemp = malloc( sizeof *whtemp) ;
if( whtemp == NULL) {
noram:
mloutstr( "%%Out of memory during while scan") ; mloutstr( "%%Out of memory during while scan") ;
failexit: goto failexit ;
freewhile( scanner) ; }
freewhile( whlist) ;
return FALSE ;
}
whtemp->w_begin = lp ; whtemp->w_begin = lp ;
whtemp->w_type = BTWHILE ; whtemp->w_type = BTWHILE ;
whtemp->w_next = scanner ; whtemp->w_next = scanner ;
scanner = whtemp ; scanner = whtemp ;
} } else if( !strncmp( eline, "!break", 6)) {
/* if is a BREAK directive, make a block... */
if( scanner == NULL) {
mloutstr( "%%!BREAK outside of any !WHILE loop") ;
goto failexit ;
}
/* if is a BREAK directive, make a block... */ whtemp = malloc( sizeof *whtemp) ;
if( eline[0] == '!' if( whtemp == NULL)
&& eline[1] == 'b' goto noram ;
&& eline[2] == 'r') {
if (scanner == NULL) {
mloutstr( "%%!BREAK outside of any !WHILE loop") ;
goto failexit ;
}
whtemp = malloc( sizeof *whtemp) ; whtemp->w_begin = lp ;
if( whtemp == NULL) whtemp->w_type = BTBREAK ;
goto noram ; whtemp->w_next = scanner ;
scanner = whtemp ;
whtemp->w_begin = lp; } else if( !strncmp( eline, "!endwhile", 9)) {
whtemp->w_type = BTBREAK; /* if it is an endwhile directive, record the spot... */
whtemp->w_next = scanner; if( scanner == NULL) {
scanner = whtemp; mloutfmt( "%%!ENDWHILE with no preceding !WHILE in '%s'",
}
/* if it is an endwhile directive, record the spot... */
if( eline[0] == '!'
&& strncmp( &eline[1], "endw", 4) == 0) {
if (scanner == NULL) {
mloutfmt( "%%!ENDWHILE with no preceding !WHILE in '%s'",
bp->b_bname) ; bp->b_bname) ;
goto failexit ; goto failexit ;
} }
/* move top records from the scanner list to the /* move top records from the scanner list to the whlist until we
whlist until we have moved all BREAK records have moved all BREAK records and one WHILE record */
and one WHILE record */ do {
do { scanner->w_end = lp ;
scanner->w_end = lp ; whtemp = whlist ;
whtemp = whlist ; whlist = scanner ;
whlist = scanner ; scanner = scanner->w_next ;
scanner = scanner->w_next ; whlist->w_next = whtemp ;
whlist->w_next = whtemp ;
} while( whlist->w_type == BTBREAK) ; } while( whlist->w_type == BTBREAK) ;
} }
} }
/* while and endwhile should match! */ /* check consistency after parsing */
if( storing_f) {
/* missing !endm */
mloutstr( "!store without !endm") ;
goto failexit ;
}
if( scanner != NULL) { if( scanner != NULL) {
/* while and endwhile should match! */
mloutfmt( "%%!WHILE with no matching !ENDWHILE in '%s'", bp->b_bname) ; mloutfmt( "%%!WHILE with no matching !ENDWHILE in '%s'", bp->b_bname) ;
goto failexit ; failexit:
freewhile( scanner) ;
freewhile( whlist) ;
return FALSE ;
} }
/* execute the parsed buffer */
/* let the first command inherit the flags from the last one.. */ /* let the first command inherit the flags from the last one.. */
thisflag = lastflag; thisflag = lastflag;
/* starting at the beginning of the buffer */ /* starting at the beginning of the buffer */
hlp = bp->b_linep ;
char *einit = NULL ; /* initial value of eline */ char *einit = NULL ; /* initial value of eline */
int status = TRUE ; /* status of command execution */ int status = TRUE ; /* status of command execution */
boolean done = FALSE ; boolean done = FALSE ;
for( line_p lp = hlp->l_fp ; !done && (lp != hlp) ; lp = lp->l_fp) { int execlevel = 0 ; /* execution IF level */
if( einit) line_p lp = hlp->l_fp ;
for( ; lp != hlp ; lp = lp->l_fp) {
if( einit) {
free( einit) ; free( einit) ;
einit = NULL ;
}
/* allocate eline and copy macro line to it */ /* allocate eline and copy macro line to it */
linlen = lp->l_used ; int linlen = lp->l_used ;
if( linlen == 0)
continue ;
einit = eline = malloc( linlen + 1) ; einit = eline = malloc( linlen + 1) ;
if( eline == NULL) { if( eline == NULL) {
status = mloutfail( "%%Out of Memory during macro execution") ; status = mloutfail( "%%Out of Memory during macro execution") ;
break ; break ;
} }
mystrscpy( eline, lp->l_text, linlen + 1) ; memcpy( eline, lp->l_text, linlen) ;
eline[ linlen] = 0 ;
/* trim leading whitespace */
while( *eline == ' ' || *eline == '\t')
++eline ;
/* dump comments and blank lines */
if( *eline == ';' || *eline == '#' || *eline == 0)
continue ;
#if DEBUGM #if DEBUGM
/* if $debug == TRUE, every line to execute /* if $debug == TRUE, every line to execute
@ -668,10 +734,8 @@ static int dobuf( buffer_p bp) {
^G will abort the command */ ^G will abort the command */
if( macbug) { if( macbug) {
int c ; /* debug macro name, if levels and lastly the line */
int c = mdbugout( "<<<%s:%d:%s>>>", bp->b_bname, execlevel, eline) ;
/* debug macro name, if levels and lastly the line */
c = mdbugout( "<<<%s:%d:%s>>>", bp->b_bname, execlevel, eline) ;
if( c == abortc) { if( c == abortc) {
status = FALSE ; status = FALSE ;
break ; break ;
@ -681,9 +745,29 @@ static int dobuf( buffer_p bp) {
} }
#endif #endif
/* if macro store is on, just salt this away */
if( storing_f) {
if( !strncmp( eline, "!endm", 5)) {
storing_f = FALSE ;
bstore = NULL ;
} else {
status = storeline( eline, strlen( eline)) ;
if( status != TRUE)
break ;
}
lp->l_used = 0 ;
continue ;
}
/* skip labels */
if( *eline == '*' || *eline == ':')
continue ;
/* Parse directives here.... */ /* Parse directives here.... */
unsigned dirnum = NUMDIRS ; /* directive index */
if( *eline == '!') { if( *eline == '!') {
unsigned dirnum ; /* directive index */
/* Find out which directive this is */ /* Find out which directive this is */
++eline ; ++eline ;
for( dirnum = 0 ; dirnum < NUMDIRS ; dirnum++) for( dirnum = 0 ; dirnum < NUMDIRS ; dirnum++)
@ -696,73 +780,43 @@ static int dobuf( buffer_p bp) {
break ; break ;
} }
/* service only the !ENDM macro here */ --eline ; /* restore the original eline.... */
if( dirnum == DENDM) {
mstore = FALSE ;
bstore = NULL ;
continue ;
}
/* restore the original eline.... */ /* now, execute directives */
--eline ;
}
/* if macro store is on, just salt this away */
if( mstore) {
/* allocate the space for the line */
linlen = strlen( eline) ;
line_p mp = lalloc( linlen) ;
if( mp == NULL) {
status = mloutfail( "Out of memory while storing macro") ;
break ;
}
/* copy the text into the new line */
for( i = 0 ; i < linlen ; ++i)
lputc( mp, i, eline[ i]) ;
/* attach the line to the end of the buffer */
bstore->b_linep->l_bp->l_fp = mp ;
mp->l_bp = bstore->b_linep->l_bp ;
bstore->b_linep->l_bp = mp ;
mp->l_fp = bstore->b_linep ;
continue ;
}
int force = FALSE ; /* force TRUE result? */
/* dump comments */
if( *eline == '*')
continue ;
/* now, execute directives */
if( dirnum != NUMDIRS) {
/* skip past the directive */ /* skip past the directive */
while( *eline && *eline != ' ' && *eline != '\t') while( *eline && *eline != ' ' && *eline != '\t')
++eline ; ++eline ;
execstr = eline; while( *eline && (*eline == ' ' || *eline == '\t'))
++eline ;
execstr = eline ;
switch( dirnum) { switch( dirnum) {
case DENDM:
if( execlevel == 0)
status = mloutfail( "!endm out of context") ;
break ;
case DIF: /* IF directive */ case DIF: /* IF directive */
/* grab the value of the logical exp */ /* grab the value of the logical exp */
if( execlevel == 0) { if( execlevel == 0) {
if( macarg( tkn, sizeof tkn) != TRUE) status = macarg( tkn, sizeof tkn) ;
done = TRUE ; if( status == TRUE && stol( tkn) == FALSE)
else if( stol( tkn) == FALSE)
++execlevel ; ++execlevel ;
} else } else
++execlevel ; ++execlevel ;
continue ; break ;
case DWHILE: /* WHILE directive */ case DWHILE: /* WHILE directive */
/* grab the value of the logical exp */ /* grab the value of the logical exp */
if( execlevel == 0) { if( execlevel == 0) {
if( macarg( tkn, sizeof tkn) != TRUE) { status = macarg( tkn, sizeof tkn) ;
done = TRUE ; if( status != TRUE) {
continue ; break ;
} else if( stol( tkn) == TRUE) } else if( stol( tkn) == TRUE)
continue ; break ;
} }
/* drop down and act just like !BREAK */ /* drop down and act just like !BREAK */
@ -777,111 +831,104 @@ static int dobuf( buffer_p bp) {
if( whtemp->w_begin == lp) if( whtemp->w_begin == lp)
break ; break ;
if( whtemp == NULL) { if( whtemp == NULL)
status = mloutfail( "%%Internal While loop error") ; status = mloutfail( "%%Internal While loop error") ;
done = TRUE ; else
} else
/* reset the line pointer back.. */ /* reset the line pointer back.. */
lp = whtemp->w_end ; lp = whtemp->w_end ;
continue ; break ;
case DELSE: /* ELSE directive */ case DELSE: /* ELSE directive */
if( execlevel == 1) if( execlevel == 1)
--execlevel ; --execlevel ;
else if( execlevel == 0) else if( execlevel == 0)
++execlevel ; ++execlevel ;
continue ; break ;
case DENDIF: /* ENDIF directive */ case DENDIF: /* ENDIF directive */
if (execlevel) if( execlevel)
--execlevel; --execlevel;
continue ; break ;
case DGOTO: /* GOTO directive */ case DGOTO: /* GOTO directive */
/* .....only if we are currently executing */ /* .....only if we are currently executing */
if( execlevel == 0) { if( execlevel != 0)
break ;
if( firstlbl != NULL) {
line_p glp ; /* line to goto */ line_p glp ; /* line to goto */
/* grab label to jump to */ /* grab label to jump to */
eline = token( eline, golabel, sizeof golabel) ; eline = token( eline, golabel, sizeof golabel) ;
linlen = strlen( golabel) ; linlen = strlen( golabel) ;
for( glp = hlp->l_fp ; glp != hlp ; glp = glp->l_fp) { for( glp = firstlbl ; glp != eolbl ; glp = glp->l_fp) {
if( *glp->l_text == '*' char c = *glp->l_text ;
if( (c == '*' || c == ':')
&& !strncmp( &glp->l_text[ 1], golabel, linlen)) { && !strncmp( &glp->l_text[ 1], golabel, linlen)) {
lp = glp ;
break ; break ;
} }
} }
if( glp == hlp) { if( glp == eolbl)
status = mloutfail( "%%No such label") ; goto nolabel ;
done = TRUE ; } else {
} else nolabel:
lp = glp ; status = mloutfail( "%%No such label") ;
} }
continue ;
break ;
case DRETURN: /* RETURN directive */ case DRETURN: /* RETURN directive */
if( execlevel == 0) if( execlevel == 0)
done = TRUE ; done = TRUE ;
continue ; break ;
case DENDWHILE: /* ENDWHILE directive */ case DENDWHILE: /* ENDWHILE directive */
if( execlevel) { if( execlevel)
--execlevel ; --execlevel ;
continue ; else {
} else {
/* find the right while loop */ /* find the right while loop */
for( whtemp = whlist ; whtemp ; whtemp = whtemp->w_next) for( whtemp = whlist ; whtemp ; whtemp = whtemp->w_next)
if( whtemp->w_type == BTWHILE if( whtemp->w_type == BTWHILE
&& whtemp->w_end == lp) && whtemp->w_end == lp)
break ; break ;
if( whtemp == NULL) { if( whtemp == NULL)
status = mloutfail( "%%Internal While loop error") ; status = mloutfail( "%%Internal While loop error") ;
done = TRUE ; else
} else
/* reset the line pointer back.. */ /* reset the line pointer back.. */
lp = whtemp->w_begin->l_bp ; lp = whtemp->w_begin->l_bp ;
continue ;
} }
case DFORCE: /* FORCE directive */ break ;
force = TRUE ; case DFORCE: /* FORCE directive */
if( execlevel == 0)
docmd( eline) ; /* execute ignoring returned status */
} }
} } else if( execlevel == 0)
status = docmd( eline) ; /* execute the statement */
/* execute the statement */ if( done || status != TRUE)
status = docmd( eline) ;
if( force) /* force the status */
status = TRUE ;
/* check for a command error */
if( status != TRUE) {
/* look if buffer is showing */
for( window_p wp = wheadp ; wp != NULL ; wp = wp->w_wndp) {
if( wp->w_bufp == bp) {
/* and point it */
wp->w_dotp = lp ;
wp->w_doto = 0 ;
wp->w_flag |= WFHARD ;
}
}
/* in any case set the buffer . */
bp->b_dotp = lp ;
bp->b_doto = 0 ;
break ; break ;
}
/* check for a command error */
if( status != TRUE) {
/* look if buffer is showing */
for( window_p wp = wheadp ; wp != NULL ; wp = wp->w_wndp) {
if( wp->w_bufp == bp) {
/* and point it */
wp->w_dotp = lp ;
wp->w_doto = 0 ;
wp->w_flag |= WFHARD ;
}
} }
/* in any case set the buffer . */
bp->b_dotp = lp ;
bp->b_doto = 0 ;
} }
execlevel = 0 ;
freewhile( whlist) ; freewhile( whlist) ;
if( einit) if( einit)
free( einit) ; free( einit) ;
@ -897,7 +944,7 @@ static int dobuf( buffer_p bp) {
BINDABLE( execfile) { BINDABLE( execfile) {
char *fname ; /* name of file to execute */ char *fname ; /* name of file to execute */
int status = newmlarg( &fname, "Execute file: ", 0) ; int status = newmlarg( &fname, "execute-file: ", 0) ;
if( status != TRUE) if( status != TRUE)
return status ; return status ;
@ -946,21 +993,6 @@ int dofile( const char *fname) {
} }
return status ; return status ;
#if 0
if( status != TRUE)
return status ;
/* go execute it! */
status = dobuf( bp) ;
if( status != TRUE)
return status ;
/* if not displayed, remove the now unneeded buffer and exit */
if( bp->b_nwnd == 0)
zotbuf( bp) ;
return TRUE ;
#endif
} }
/* cbuf: /* cbuf:

14
exec.h
View File

@ -12,13 +12,13 @@ boolean gettokval( char *tok, int maxtoksize) ;
char *getnewtokval( void) ; char *getnewtokval( void) ;
/* Bindable functions */ /* Bindable functions */
BINDABLE( execbuf) ; BINDABLE( execbuf) ;
BINDABLE( execcmd) ; BINDABLE( execcmd) ;
BINDABLE( execfile) ; BINDABLE( execfile) ;
BINDABLE( execproc) ; BINDABLE( execproc) ;
BINDABLE( namedcmd) ; BINDABLE( namedcmd) ;
BINDABLE( storemac) ; BBINDABLE( storemac) ;
BINDABLE( storeproc) ; BINDABLE( storeproc) ;
BINDABLE( cbuf1) ; BINDABLE( cbuf1) ;
BINDABLE( cbuf2) ; BINDABLE( cbuf2) ;
BINDABLE( cbuf3) ; BINDABLE( cbuf3) ;

6
floodmaz.cmd
View File

@ -8,7 +8,7 @@ set %thisbuf $cbufname
set %meml $curline set %meml $curline
set %memc $curcol set %memc $curcol
store-procedure pushxy # push x y !store pushxy # push x y
set %x $curcol set %x $curcol
set %y $curline set %y $curline
select-buffer stack select-buffer stack
@ -20,7 +20,7 @@ store-procedure pushxy # push x y
select-buffer %thisbuf select-buffer %thisbuf
!endm !endm
store-procedure popxy # pop x y !store popxy # pop x y
select-buffer stack select-buffer stack
beginning-of-file beginning-of-file
set %x $line set %x $line
@ -32,7 +32,7 @@ store-procedure popxy # pop x y
set $curcol %x set $curcol %x
!endm !endm
store-procedure probe !store probe
!if &not &or &equ $curchar %NC &equ $curchar 32 !if &not &or &equ $curchar %NC &equ $curchar 32
run pushxy run pushxy
!endif !endif

2
names.c
View File

@ -192,7 +192,7 @@ const name_bind names[] = {
{" shell-command", spawn, CTLX | '!'} , {" shell-command", spawn, CTLX | '!'} ,
{" shrink-window", shrinkwind, CTLX | CTL_ | 'Z'} , {" shrink-window", shrinkwind, CTLX | CTL_ | 'Z'} ,
{" split-current-window", splitwind, CTLX | '2'} , {" split-current-window", splitwind, CTLX | '2'} ,
{" store-macro", storemac, 0} , {" store-macro", (fnp_t) storemac, 0} ,
{" store-procedure", storeproc, 0} , {" store-procedure", storeproc, 0} ,
#if BSD | SVR4 #if BSD | SVR4
{" suspend-emacs", bktoshell, CTLX | 'D'} , /* BSD MS */ {" suspend-emacs", bktoshell, CTLX | 'D'} , /* BSD MS */

26
sharpmaz.cmd
View File

@ -14,30 +14,30 @@ beginning-of-file
set %old $line set %old $line
set $line %spaces set $line %spaces
next-line next-line
!store check
!if &not &equ $curchar 32
set %v &add %v %inc
!endif
set %inc &tim %inc 2
!endm
!while &less $curline %el !while &less $curline %el
set $curcol 1 set $curcol 1
!while &less $curcol %ec !while &less $curcol %ec
!if &not &equ $curchar 32 !if &not &equ $curchar 32
set %v 0 set %v 0
set %inc 1
previous-line previous-line
!if &not &equ $curchar 32 run check
set %v &add %v 1
!endif
next-line next-line
backward-character backward-character
!if &not &equ $curchar 32 run check
set %v &add %v 2
!endif
2 forward-character 2 forward-character
!if &not &equ $curchar 32 run check
set %v &add %v 4
!endif
next-line next-line
backward-character backward-character
!if &not &equ $curchar 32 run check
set %v &add %v 8
!endif
previous-line previous-line
# alternatively use single width "╳╵╴┘╶└─┴╷│┐┤┌├┬┼" # alternatively use single width "╳╵╴┘╶└─┴╷│┐┤┌├┬┼"
set $curchar &asc &mid "╳╹╸┛╺┗━┻╻┃┓┫┏┣┳╋" &add %v 1 1 set $curchar &asc &mid "╳╹╸┛╺┗━┻╻┃┓┫┏┣┳╋" &add %v 1 1