mirror of https://github.com/acidanthera/audk.git
615 lines
17 KiB
Plaintext
615 lines
17 KiB
Plaintext
/* This is the parser for the dlg
|
|
* This is a part of the Purdue Compiler Construction Tool Set
|
|
*
|
|
* SOFTWARE RIGHTS
|
|
*
|
|
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
|
|
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
|
|
* company may do whatever they wish with source code distributed with
|
|
* PCCTS or the code generated by PCCTS, including the incorporation of
|
|
* PCCTS, or its output, into commerical software.
|
|
*
|
|
* We encourage users to develop software with PCCTS. However, we do ask
|
|
* that credit is given to us for developing PCCTS. By "credit",
|
|
* we mean that if you incorporate our source code into one of your
|
|
* programs (commercial product, research project, or otherwise) that you
|
|
* acknowledge this fact somewhere in the documentation, research report,
|
|
* etc... If you like PCCTS and have developed a nice tool with the
|
|
* output, please mention that you developed it using PCCTS. In
|
|
* addition, we ask that this header remain intact in our source code.
|
|
* As long as these guidelines are kept, we expect to continue enhancing
|
|
* this system and expect to make other tools available as they are
|
|
* completed.
|
|
*
|
|
* DLG 1.33
|
|
* Will Cohen
|
|
* With mods by Terence Parr; AHPCRC, University of Minnesota
|
|
* 1989-1995
|
|
*/
|
|
|
|
#header <<
|
|
#include <ctype.h>
|
|
#include "dlg.h"
|
|
>>
|
|
|
|
<<
|
|
|
|
/* MR20 G. Hobbelt
|
|
Fix for Borland C++ 4.x & 5.x compiling with ALL warnings enabled
|
|
*/
|
|
|
|
#ifdef __TURBOC__
|
|
#pragma warn -aus /* unused assignment of 'xxx' */
|
|
#endif
|
|
|
|
int action_no = 0; /* keep track of actions outputed */
|
|
int nfa_allocated = 0; /* keeps track of number of nfa nodes */
|
|
nfa_node **nfa_array = NULL;/* root of binary tree that stores nfa array */
|
|
nfa_node nfa_model_node; /* model to initialize new nodes */
|
|
set used_chars; /* used to label trans. arcs */
|
|
set used_classes; /* classes or chars used to label trans. arcs */
|
|
set normal_chars; /* mask to get rid elements that aren't used
|
|
in set */
|
|
int flag_paren = FALSE;
|
|
int flag_brace = FALSE;
|
|
int mode_counter = 0; /* keep track of number of %%names */
|
|
|
|
>>
|
|
|
|
#lexaction <<
|
|
int func_action; /* should actions be turned into functions?*/
|
|
int lex_mode_counter = 0; /* keeps track of the number of %%names */
|
|
/* MR1 */
|
|
/* MR1 11-Apr-97 Provide mechanism for inserting code into DLG class */
|
|
/* MR1 via <<%%lexmember...>> */
|
|
/* MR1 */
|
|
int lexMember = 0; /* <<%%lexmemeber ...>> MR1 */
|
|
int lexAction = 0; /* <<%%lexaction ...>> MR1 */
|
|
int parserClass = 0; /* <<%%parserclass ...>> MR1 */
|
|
int lexPrefix = 0; /* <<%%lexprefix ...>> MR1 */
|
|
char theClassName[100]; /* MR11 */
|
|
char *pClassName=theClassName; /* MR11 */
|
|
int firstLexMember=1; /* MR1 */
|
|
|
|
#ifdef __USE_PROTOS
|
|
void xxputc(int c) { /* MR1 */
|
|
#else
|
|
void xxputc(c) /* MR1 */
|
|
int c; /* MR1 */
|
|
{ /* MR1 */
|
|
#endif
|
|
if (parserClass) { /* MR1 */
|
|
*pClassName++=c; /* MR1 */
|
|
*pClassName=0; /* MR1 */
|
|
} else if (lexMember || lexPrefix) { /* MR1 */
|
|
if (class_stream != NULL) fputc(c,class_stream); /* MR1 */
|
|
} else { /* MR1 */
|
|
fputc(c,OUT); /* MR1 */
|
|
}; /* MR1 */
|
|
} /* MR1 */
|
|
|
|
#ifdef __USE_PROTOS
|
|
void xxprintf(char *format,char *string) { /* MR1 */
|
|
#else
|
|
void xxprintf(format,string) /* MR1 */
|
|
char *format; /* MR1 */
|
|
char *string; /* MR1 */
|
|
{ /* MR1 */
|
|
#endif
|
|
if (lexMember || lexPrefix || parserClass) { /* MR1 */
|
|
if (class_stream != NULL) /* MR1 */
|
|
fprintf(class_stream,format,string); /* MR1 */
|
|
} else { /* MR1 */
|
|
fprintf(OUT,format,string); /* MR1 */
|
|
}; /* MR1 */
|
|
} /* MR1 */
|
|
>>
|
|
|
|
#token "[\r\t\ ]+" << zzskip(); >> /* Ignore white */
|
|
#token "\n" << zzline++; zzskip(); DAWDLE; >> /* Track Line # */
|
|
#token L_EOF "\@"
|
|
#token PER_PER "\%\%"
|
|
#token NAME_PER_PER "\%\%[a-zA-Z_][a-zA-Z0-9_]*"
|
|
<< p_mode_def(&zzlextext[2],lex_mode_counter++); >>
|
|
|
|
#token LEXMEMBER "\<\<\%\%lexmember" /* MR1 */
|
|
<<lexMember=1; /* MR1 */
|
|
if (firstLexMember != 0) { /* MR1 */
|
|
firstLexMember=0; /* MR1 */
|
|
p_class_def1(); /* MR1 */
|
|
}; /* MR1 */
|
|
zzmode(ACT); /* MR1 */
|
|
>> /* MR1 */
|
|
#token LEXACTION "\<\<\%\%lexaction" /* MR1 */
|
|
<<lexAction=1;zzmode(ACT);>> /* MR1 */
|
|
#token PARSERCLASS "\<\<\%\%parserclass" /* MR1 */
|
|
<<parserClass=1; /* MR1 */
|
|
zzmode(ACT); /* MR1 */
|
|
>> /* MR1 */
|
|
#token LEXPREFIX "\<\<\%\%lexprefix" /* MR1 */
|
|
<<lexPrefix=1;zzmode(ACT);>> /* MR1 */
|
|
|
|
#token ACTION "\<\<"
|
|
<< if (func_action)
|
|
fprintf(OUT,"\n%s %sact%d()\n{ ",
|
|
gen_cpp?"ANTLRTokenType":"static void",
|
|
gen_cpp?ClassName("::"):"", ++action_no);
|
|
zzmode(ACT); zzskip();
|
|
>>
|
|
#token GREAT_GREAT "\>\>"
|
|
#token L_BRACE "\{"
|
|
#token R_BRACE "\}"
|
|
#token L_PAR "\("
|
|
#token R_PAR "\)"
|
|
#token L_BRACK "\["
|
|
#token R_BRACK "\]"
|
|
#token ZERO_MORE "\*"
|
|
#token ONE_MORE "\+"
|
|
#token OR "\|"
|
|
#token RANGE "\-"
|
|
#token NOT "\~"
|
|
#token OCTAL_VALUE "\\0[0-7]*"
|
|
<< {int t; sscanf(&zzlextext[1],"%o",&t); zzlextext[0] = t;}>>
|
|
#token HEX_VALUE "\\0[Xx][0-9a-fA-F]+"
|
|
<< {int t; sscanf(&zzlextext[3],"%x",&t); zzlextext[0] = t;}>>
|
|
#token DEC_VALUE "\\[1-9][0-9]*"
|
|
<< {int t; sscanf(&zzlextext[1],"%d",&t); zzlextext[0] = t;}>>
|
|
#token TAB "\\t" << zzlextext[0] = '\t';>>
|
|
#token NL "\\n" << zzlextext[0] = '\n';>>
|
|
#token CR "\\r" << zzlextext[0] = '\r';>>
|
|
#token BS "\\b" << zzlextext[0] = '\b';>>
|
|
|
|
/* MR1 */
|
|
/* MR1 10-Apr-97 MR1 Allow #token regular expressions to cross lines */
|
|
/* MR1 */
|
|
#token CONTINUATION "\\ \n" << zzline++; zzskip();>> /* MR1 */
|
|
|
|
/* NOTE: this takes ANYTHING after the \ */
|
|
#token LIT "\\~[tnrb]" << zzlextext[0] = zzlextext[1];>>
|
|
|
|
/* NOTE: this takes ANYTHING that doesn't match the other tokens */
|
|
#token REGCHAR "~[\\]"
|
|
|
|
|
|
grammar : << p_head(); p_class_hdr(); func_action = FALSE;>>
|
|
( {LEXACTION | LEXMEMBER | LEXPREFIX | PARSERCLASS } ACTION)* /* MR1 */
|
|
<<if ( gen_cpp ) p_includes();>>
|
|
start_states
|
|
<< func_action = FALSE; p_tables(); p_tail(); >>
|
|
(ACTION)* "@"
|
|
<< if (firstLexMember != 0) p_class_def1(); >> /* MR1 */
|
|
;
|
|
|
|
start_states : ( PER_PER do_conversion
|
|
| NAME_PER_PER do_conversion (NAME_PER_PER do_conversion)*)
|
|
PER_PER
|
|
;
|
|
|
|
do_conversion : <<new_automaton_mode(); func_action = TRUE;>>
|
|
rule_list
|
|
<<
|
|
dfa_class_nop[mode_counter] =
|
|
relabel($1.l,comp_level);
|
|
if (comp_level)
|
|
p_shift_table(mode_counter);
|
|
dfa_basep[mode_counter] = dfa_allocated+1;
|
|
make_dfa_model_node(dfa_class_nop[mode_counter]);
|
|
nfa_to_dfa($1.l);
|
|
++mode_counter;
|
|
func_action = FALSE;
|
|
#ifdef HASH_STAT
|
|
fprint_hash_stats(stderr);
|
|
#endif
|
|
>>
|
|
;
|
|
|
|
rule_list : rule <<$$.l=$1.l; $$.r=$1.r;>>
|
|
(rule
|
|
<<{nfa_node *t1;
|
|
t1 = new_nfa_node();
|
|
(t1)->trans[0]=$$.l;
|
|
(t1)->trans[1]=$1.l;
|
|
/* all accept nodes "dead ends" */
|
|
$$.l=t1; $$.r=NULL;
|
|
}
|
|
>>
|
|
)*
|
|
| /* empty */
|
|
<<$$.l = new_nfa_node(); $$.r = NULL;
|
|
warning("no regular expressions", zzline);
|
|
>>
|
|
;
|
|
|
|
rule : reg_expr ACTION
|
|
/* MR23 */ << if ($1.r != NULL) {
|
|
$$.l=$1.l; $$.r=$1.r; ($1.r)->accept=action_no;
|
|
}
|
|
>>
|
|
| ACTION
|
|
<<$$.l = NULL; $$.r = NULL;
|
|
error("no expression for action ", zzline);
|
|
>>
|
|
;
|
|
|
|
reg_expr : and_expr <<$$.l=$1.l; $$.r=$1.r;>>
|
|
(OR and_expr
|
|
<<{nfa_node *t1, *t2;
|
|
t1 = new_nfa_node(); t2 = new_nfa_node();
|
|
(t1)->trans[0]=$$.l;
|
|
(t1)->trans[1]=$2.l;
|
|
/* MR23 */ if ($$.r != NULL) ($$.r)->trans[1]=t2;
|
|
if ($2.r) {
|
|
($2.r)->trans[1]=t2; /* MR20 */
|
|
}
|
|
$$.l=t1; $$.r=t2;
|
|
}
|
|
>>
|
|
)*
|
|
;
|
|
|
|
and_expr : repeat_expr
|
|
<<
|
|
$$.l=$1.l; $$.r=$1.r;
|
|
>>
|
|
(repeat_expr
|
|
/* MR23 */ << if ($$.r != NULL) {
|
|
($$.r)->trans[1]=$1.l;
|
|
$$.r=$1.r;
|
|
}
|
|
>>
|
|
)*
|
|
;
|
|
|
|
repeat_expr : expr <<$$.l=$1.l; $$.r=$1.r;>>
|
|
{ ZERO_MORE
|
|
<<{ nfa_node *t1,*t2;
|
|
/* MR23 */ if ($$.r != NULL) ($$.r)->trans[0] = $$.l;
|
|
t1 = new_nfa_node(); t2 = new_nfa_node();
|
|
t1->trans[0]=$$.l;
|
|
t1->trans[1]=t2;
|
|
/* MR23 */ if ($$.r != NULL) ($$.r)->trans[1]=t2;
|
|
$$.l=t1;$$.r=t2;
|
|
}
|
|
>>
|
|
| ONE_MORE
|
|
/* MR23 */ <<if ($$.r != NULL) ($$.r)->trans[0] = $$.l;>>
|
|
}
|
|
| ZERO_MORE
|
|
<< error("no expression for *", zzline);>>
|
|
| ONE_MORE
|
|
<< error("no expression for +", zzline);>>
|
|
;
|
|
|
|
expr : << $$.l = new_nfa_node();
|
|
$$.r = new_nfa_node();
|
|
>>
|
|
L_BRACK atom_list R_BRACK
|
|
<<
|
|
/* MR23 */ if ($$.l != NULL) {
|
|
($$.l)->trans[0] = $$.r;
|
|
($$.l)->label = set_dup($2.label);
|
|
set_orin(&used_chars,($$.l)->label);
|
|
}
|
|
>>
|
|
| NOT L_BRACK atom_list R_BRACK
|
|
<<
|
|
/* MR23 */ if ($$.l != NULL) {
|
|
($$.l)->trans[0] = $$.r;
|
|
($$.l)->label = set_dif(normal_chars,$3.label);
|
|
set_orin(&used_chars,($$.l)->label);
|
|
}
|
|
>>
|
|
| L_PAR reg_expr R_PAR
|
|
<<
|
|
/* MR23 */ if ($$.l != NULL) {
|
|
($$.l)->trans[0] = $2.l;
|
|
if ($2.r) {
|
|
($2.r)->trans[1] = $$.r; /* MR20 */
|
|
}
|
|
}
|
|
>>
|
|
| L_BRACE reg_expr R_BRACE
|
|
<<
|
|
/* MR23 */ if ($$.l != NULL) {
|
|
($$.l)->trans[0] = $2.l;
|
|
($$.l)->trans[1] = $$.r;
|
|
if ($2.r) {
|
|
($2.r)->trans[1] = $$.r; /* MR20 */
|
|
}
|
|
}
|
|
>>
|
|
| atom
|
|
<<
|
|
/* MR23 */ if ($$.l != NULL) {
|
|
($$.l)->trans[0] = $$.r;
|
|
($$.l)->label = set_dup($1.label);
|
|
set_orin(&used_chars,($$.l)->label);
|
|
}
|
|
>>
|
|
;
|
|
|
|
atom_list : << set_free($$.label); >>
|
|
(near_atom <<set_orin(&($$.label),$1.label);>>)*
|
|
;
|
|
|
|
near_atom : << register int i;
|
|
register int i_prime;
|
|
>>
|
|
anychar
|
|
<<$$.letter=$1.letter; $$.label=set_of($1.letter);
|
|
i_prime = $1.letter + MIN_CHAR;
|
|
if (case_insensitive && islower(i_prime))
|
|
set_orel(toupper(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
if (case_insensitive && isupper(i_prime))
|
|
set_orel(tolower(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
>>
|
|
{ RANGE anychar
|
|
<< if (case_insensitive){
|
|
i_prime = $$.letter+MIN_CHAR;
|
|
$$.letter = (islower(i_prime) ?
|
|
toupper(i_prime) : i_prime)-MIN_CHAR;
|
|
i_prime = $2.letter+MIN_CHAR;
|
|
$2.letter = (islower(i_prime) ?
|
|
toupper(i_prime) : i_prime)-MIN_CHAR;
|
|
}
|
|
/* check to see if range okay */
|
|
{
|
|
int debugLetter1 = $$.letter;
|
|
int debugLetter2 = $2.letter;
|
|
}
|
|
if ($$.letter > $2.letter
|
|
&& $2.letter != 0xff){ /* MR16 */
|
|
error("invalid range ", zzline);
|
|
}
|
|
for (i=$$.letter; i<= (int)$2.letter; ++i){
|
|
set_orel(i,&($$.label));
|
|
i_prime = i+MIN_CHAR;
|
|
if (case_insensitive && islower(i_prime))
|
|
set_orel(toupper(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
if (case_insensitive && isupper(i_prime))
|
|
set_orel(tolower(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
}
|
|
>>
|
|
}
|
|
;
|
|
|
|
atom : << register int i_prime;>>
|
|
anychar
|
|
<<$$.label = set_of($1.letter);
|
|
i_prime = $1.letter + MIN_CHAR;
|
|
if (case_insensitive && islower(i_prime))
|
|
set_orel(toupper(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
if (case_insensitive && isupper(i_prime))
|
|
set_orel(tolower(i_prime)-MIN_CHAR,
|
|
&($$.label));
|
|
>>
|
|
;
|
|
|
|
anychar : REGCHAR <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| OCTAL_VALUE <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| HEX_VALUE <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| DEC_VALUE <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| TAB <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| NL <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| CR <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| BS <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
| LIT <<$$.letter = $1.letter - MIN_CHAR;>>
|
|
/* NOTE: LEX_EOF is ALWAYS shifted to 0 = MIN_CHAR - MIN_CHAR*/
|
|
| L_EOF <<$$.letter = 0;>>
|
|
;
|
|
|
|
<</* empty action */>>
|
|
|
|
#lexclass ACT
|
|
#token "@" << error("unterminated action", zzline); zzmode(START); >>
|
|
#token ACTION "\>\>"
|
|
<< if (func_action) fprintf(OUT,"}\n\n");
|
|
zzmode(START);
|
|
/* MR1 */
|
|
/* MR1 11-Apr-97 Provide mechanism for inserting code into DLG class */
|
|
/* MR1 via <<%%lexmember ...>> */
|
|
/* MR1 This is a consequence of not saving actions */
|
|
/* MR1 */
|
|
/* MR1 */ parserClass=0;
|
|
/* MR1 */ lexPrefix=0;
|
|
/* MR1 */ lexAction=0;
|
|
/* MR1 */ lexMember=0;
|
|
>>
|
|
#token "\>" << xxputc(zzlextext[0]); zzskip(); >> /* MR1 */
|
|
#token "\\\>" << xxputc('>'); zzskip(); >> /* MR1 */
|
|
#token "\\" << xxputc('\\'); zzskip(); >> /* MR1 */
|
|
#token "\n" << xxputc(zzlextext[0]); ++zzline; zzskip(); >> /* MR1 */
|
|
#token "/\*" << zzmode(ACTION_COMMENTS); /* MR1 */
|
|
xxprintf("%s", &(zzlextext[0])); zzskip(); /* MR1 */
|
|
>> /* MR1 */
|
|
#token "//" << zzmode(ACTION_CPP_COMMENTS); /* MR1 */
|
|
xxprintf("%s", &(zzlextext[0])); zzskip(); /* MR1 */
|
|
>> /* MR1 */
|
|
#token "~[]" << xxputc(zzlextext[0]); zzskip(); >> /* MR1 */
|
|
/* MR1 */
|
|
#lexclass ACTION_COMMENTS /* MR1 */
|
|
#token "\*/" << zzmode(ACT); /* MR1 */
|
|
xxprintf("%s", &(zzlextext[0])); zzskip(); /* MR1 */
|
|
>> /* MR1 */
|
|
#token "[\n\r]" << zzline++; xxputc(zzlextext[0]); zzskip();>> /* MR1 */
|
|
#token "~[]" << xxputc(zzlextext[0]); zzskip();>> /* MR1 */
|
|
/* MR1 */
|
|
#lexclass ACTION_CPP_COMMENTS /* MR1 */
|
|
#token "[\n\r]" << zzmode(ACT); zzline++; /* MR1 */
|
|
xxprintf("%s", &(zzlextext[0])); zzskip(); /* MR1 */
|
|
>> /* MR1 */
|
|
#token "~[]" << xxputc(zzlextext[0]); zzskip();>> /* MR1 */
|
|
|
|
<<
|
|
/* adds a new nfa to the binary tree and returns a pointer to it */
|
|
nfa_node *
|
|
#ifdef __USE_PROTOS
|
|
new_nfa_node(void)
|
|
#else
|
|
new_nfa_node()
|
|
#endif
|
|
{
|
|
register nfa_node *t;
|
|
static int nfa_size=0; /* elements nfa_array[] can hold */
|
|
|
|
++nfa_allocated;
|
|
if (nfa_size<=nfa_allocated){
|
|
/* need to redo array */
|
|
if (!nfa_array){
|
|
/* need some to do inital allocation */
|
|
nfa_size=nfa_allocated+NFA_MIN;
|
|
nfa_array=(nfa_node **) malloc(sizeof(nfa_node*)*
|
|
nfa_size);
|
|
}else{
|
|
/* need more space */
|
|
nfa_size=2*(nfa_allocated+1);
|
|
nfa_array=(nfa_node **) realloc(nfa_array,
|
|
sizeof(nfa_node*)*nfa_size);
|
|
}
|
|
}
|
|
/* fill out entry in array */
|
|
t = (nfa_node*) malloc(sizeof(nfa_node));
|
|
nfa_array[nfa_allocated] = t;
|
|
*t = nfa_model_node;
|
|
t->node_no = nfa_allocated;
|
|
return t;
|
|
}
|
|
|
|
|
|
/* initialize the model node used to fill in newly made nfa_nodes */
|
|
void
|
|
#ifdef __USE_PROTOS
|
|
make_nfa_model_node(void)
|
|
#else
|
|
make_nfa_model_node()
|
|
#endif
|
|
{
|
|
nfa_model_node.node_no = -1; /* impossible value for real nfa node */
|
|
nfa_model_node.nfa_set = 0;
|
|
nfa_model_node.accept = 0; /* error state default*/
|
|
nfa_model_node.trans[0] = NULL;
|
|
nfa_model_node.trans[1] = NULL;
|
|
nfa_model_node.label = empty;
|
|
}
|
|
>>
|
|
|
|
<<
|
|
#if defined(DEBUG) || defined(_DEBUG)
|
|
|
|
/* print out the pointer value and the node_number */
|
|
void
|
|
#ifdef __USE_PROTOS
|
|
fprint_dfa_pair(FILE *f, nfa_node *p)
|
|
#else
|
|
fprint_dfa_pair(f, p)
|
|
FILE *f;
|
|
nfa_node *p;
|
|
#endif
|
|
{
|
|
if (p){
|
|
fprintf(f, "%x (%d)", p, p->node_no);
|
|
}else{
|
|
fprintf(f, "(nil)");
|
|
}
|
|
}
|
|
|
|
/* print out interest information on a set */
|
|
void
|
|
#ifdef __USE_PROTOS
|
|
fprint_set(FILE *f, set s)
|
|
#else
|
|
fprint_set(f,s)
|
|
FILE *f;
|
|
set s;
|
|
#endif
|
|
{
|
|
unsigned int *x;
|
|
|
|
fprintf(f, "n = %d,", s.n);
|
|
if (s.setword){
|
|
fprintf(f, "setword = %x, ", s.setword);
|
|
/* print out all the elements in the set */
|
|
x = set_pdq(s);
|
|
while (*x!=nil){
|
|
fprintf(f, "%d ", *x);
|
|
++x;
|
|
}
|
|
}else{
|
|
fprintf(f, "setword = (nil)");
|
|
}
|
|
}
|
|
|
|
/* code to be able to dump out the nfas
|
|
return 0 if okay dump
|
|
return 1 if screwed up
|
|
*/
|
|
int
|
|
#ifdef __USE_PROTOS
|
|
dump_nfas(int first_node, int last_node)
|
|
#else
|
|
dump_nfas(first_node, last_node)
|
|
int first_node;
|
|
int last_node;
|
|
#endif
|
|
{
|
|
register int i;
|
|
nfa_node *t;
|
|
|
|
for (i=first_node; i<=last_node; ++i){
|
|
t = NFA(i);
|
|
if (!t) break;
|
|
fprintf(stderr, "nfa_node %d {\n", t->node_no);
|
|
fprintf(stderr, "\n\tnfa_set = %d\n", t->nfa_set);
|
|
fprintf(stderr, "\taccept\t=\t%d\n", t->accept);
|
|
fprintf(stderr, "\ttrans\t=\t(");
|
|
fprint_dfa_pair(stderr, t->trans[0]);
|
|
fprintf(stderr, ",");
|
|
fprint_dfa_pair(stderr, t->trans[1]);
|
|
fprintf(stderr, ")\n");
|
|
fprintf(stderr, "\tlabel\t=\t{ ");
|
|
fprint_set(stderr, t->label);
|
|
fprintf(stderr, "\t}\n");
|
|
fprintf(stderr, "}\n\n");
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
>>
|
|
|
|
<<
|
|
/* DLG-specific syntax error message generator
|
|
* (define USER_ZZSYN when compiling so don't get 2 definitions)
|
|
*/
|
|
void
|
|
#ifdef __USE_PROTOS
|
|
zzsyn(char *text, int tok, char *egroup, SetWordType *eset, int etok, int k, char *bad_text)
|
|
#else
|
|
zzsyn(text, tok, egroup, eset, etok, k, bad_text)
|
|
char *text, *egroup, *bad_text;
|
|
int tok;
|
|
int etok;
|
|
int k;
|
|
SetWordType *eset;
|
|
#endif
|
|
{
|
|
fprintf(stderr, ErrHdr, file_str[0]!=NULL?file_str[0]:"stdin", zzline);
|
|
fprintf(stderr, " syntax error at \"%s\"", (tok==zzEOF_TOKEN)?"EOF":text);
|
|
if ( !etok && !eset ) {fprintf(stderr, "\n"); return;}
|
|
if ( k==1 ) fprintf(stderr, " missing");
|
|
else
|
|
{
|
|
fprintf(stderr, "; \"%s\" not", bad_text);
|
|
if ( zzset_deg(eset)>1 ) fprintf(stderr, " in");
|
|
}
|
|
if ( zzset_deg(eset)>0 ) zzedecode(eset);
|
|
else fprintf(stderr, " %s", zztokens[etok]);
|
|
if ( strlen(egroup) > (size_t)0 ) fprintf(stderr, " in %s", egroup);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
>>
|