Dynamic PEG for interpreted languages.
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1221 rivejä
33 KiB

/* A recursive-descent parser generated by peg 0.1.18 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define YYRULECOUNT 15
#line 1 "parse.leg"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "inputBuffer.c"
;
enum op { String, Query, Star, Plus, Or, And, Class, Dot, Exc, Id } ;
typedef union Node Node;
typedef struct Symbol Symbol;
typedef struct Array Array;
typedef struct SymbolTable SymbolTable;
struct Array {
Node **elements;
int length;
};
struct String { enum op type; char *string; int len; };
struct Query { enum op type; Node *children[1]; };
struct Star { enum op type; Node *children[1]; };
struct Plus { enum op type; Node *children[1]; };
struct Or { enum op type; Node *children[2]; };
struct And { enum op type; Node *children[2]; };
struct Class { enum op type; char *stringValue; int len; };
struct Dot { enum op type; };
struct Exc { enum op type; Node *children[1]; };
struct Id { enum op type; Symbol *symbol; };
union Node {
enum op type;
struct String String;
struct Query Query;
struct Star Star;
struct Plus Plus;
struct Or Or;
struct And And;
struct Class Class;
struct Dot Dot;
struct Exc Exc;
struct Id Id;
};
struct Symbol{
char* name;
Node *rule;
};
struct SymbolTable {
Symbol **elements;
int length;
};
#define SymbolTable_initialiser {0,0}
SymbolTable symbolTable= SymbolTable_initialiser;
Symbol *createSymbol(char *name) {
Symbol *symbol= calloc(1, sizeof(Symbol));
symbol->name= strdup(name);
return symbol;
}
#define new(type) mkNode(sizeof(struct type),type)
Node *mkNode(size_t size,enum op type)
{
Node *node= calloc(1, size);
node->type= type;
return node;
}
Node *mkString(char *s)
{
Node *node= new(String);
node->String.string= strdup(s);
node->String.len=strlen(s);
return node;
}
Node *mkId(Symbol *s){
Node *node= new(Id);
node->Id.symbol=s;
return node;
}
Node *mkQuery(Node *n)
{
Node *node= new(Query);
node->Query.children[0]= n;
return node;
}
Node *mkOr(Node *node1, Node *node2)
{
Node *node= new(Or);
node->Or.children[0]= node1;
node->Or.children[1]= node2;
return node;
}
Node *mkAnd(Node *node1, Node *node2)
{
Node *node= new(And);
node->And.children[0]= node1;
node->And.children[1]= node2;
return node;
}
Node *mkStar(Node *n)
{
Node *node= new(Star);
node->Star.children[0]= n;
return node;
}
Node *mkClass(char* str)
{
Node *node= new(Class);
node->Class.stringValue= str;
node->Class.len=strlen(str);
return node;
}
Node *mkPlus(Node *n)
{
Node *node= new(Plus);
node->Plus.children[0]= n;
return node;
}
Node *mkDot()
{
Node *node= new(Dot);
return node;
}
Node *mkExc(Node *n)
{
Node *node= new(Exc);
node->Exc.children[0]= n;
return node;
}
Node *_checktype(Node *object, enum op type)
{
if (object->type == type) return object;
fprintf(stderr, "\naccesing type %i as if it were a %i\n", object->type, type);
exit(1);
return 0;
}
#define get(object, type, member) (_checktype(object, type)->type.member)
void print(Node *node)
{
switch (node->type) {
case String:
printf("\"%s\"", node->String.string);
return;
case Query:
print(node->Query.children[0]);
printf("?");
return;
case Star:
print(node->Query.children[0]);
printf("*");
return;
case Plus:
print(node->Query.children[0]);
return;
case Or:
print(node->Or.children[0]);
printf("Or");
print(node->Or.children[1]);
return;
case And:
print(node->And.children[0]);
printf("And");
print(node->And.children[1]);
return;
case Class:
printf("Class");
printf("\"%s\"", node->Class.stringValue);
return;
case Dot:
printf("Dot");
return;
case Exc:
printf("!");
print(node->Exc.children[0]);
return;
case Id:
printf("%s\n",get(node,Id,symbol)->name);
return;
}
abort();
}
void println(Node *node)
{
print(node);
printf("\n");
}
InputBuffer *inputBuffer=0;
#define YY_INPUT(buff,result,maxSize) \
{if (atEnd(inputBuffer)){ \
result=0; \
} \
else { \
*buff=currentChar(inputBuffer); \
advance(inputBuffer,1); \
result=1; \
}}
Symbol *intern(char *name){
int left=0,right=symbolTable.length-1;
while(left<=right){
int middle=(left+right)/2;
int comp=strcmp(name,symbolTable.elements[middle]->name);
if(comp<0){
right=middle-1;
}
else if(comp>0){
left=middle+1;
}
else{
return symbolTable.elements[middle];
}
}
symbolTable.elements= realloc(symbolTable.elements,sizeof(symbolTable.elements[0]) * (symbolTable.length+1));
memmove(symbolTable.elements+left+1,symbolTable.elements+left,(symbolTable.length-left)*sizeof(symbolTable.elements[0]));
symbolTable.length++;
return symbolTable.elements[left]=createSymbol(name);
}
void setRule(char *name, Node *rule){
intern(name)->rule=rule;
}
#define YYSTYPE Node *
YYSTYPE yylval = 0;
#ifndef YY_MALLOC
#define YY_MALLOC(C, N) malloc(N)
#endif
#ifndef YY_REALLOC
#define YY_REALLOC(C, P, N) realloc(P, N)
#endif
#ifndef YY_FREE
#define YY_FREE(C, P) free(P)
#endif
#ifndef YY_LOCAL
#define YY_LOCAL(T) static T
#endif
#ifndef YY_ACTION
#define YY_ACTION(T) static T
#endif
#ifndef YY_RULE
#define YY_RULE(T) static T
#endif
#ifndef YY_PARSE
#define YY_PARSE(T) T
#endif
#ifndef YYPARSE
#define YYPARSE yyparse
#endif
#ifndef YYPARSEFROM
#define YYPARSEFROM yyparsefrom
#endif
#ifndef YYRELEASE
#define YYRELEASE yyrelease
#endif
#ifndef YY_BEGIN
#define YY_BEGIN ( yy->__begin= yy->__pos, 1)
#endif
#ifndef YY_END
#define YY_END ( yy->__end= yy->__pos, 1)
#endif
#ifdef YY_DEBUG
# define yyprintf(args) fprintf args
#else
# define yyprintf(args)
#endif
#ifndef YYSTYPE
#define YYSTYPE int
#endif
#ifndef YY_STACK_SIZE
#define YY_STACK_SIZE 128
#endif
#ifndef YY_BUFFER_SIZE
#define YY_BUFFER_SIZE 1024
#endif
#ifndef YY_PART
typedef struct _yycontext yycontext;
typedef void (*yyaction)(yycontext *yy, char *yytext, int yyleng);
typedef struct _yythunk { int begin, end; yyaction action; struct _yythunk *next; } yythunk;
struct _yycontext {
char *__buf;
int __buflen;
int __pos;
int __limit;
char *__text;
int __textlen;
int __begin;
int __end;
int __textmax;
yythunk *__thunks;
int __thunkslen;
int __thunkpos;
YYSTYPE __;
YYSTYPE *__val;
YYSTYPE *__vals;
int __valslen;
#ifdef YY_CTX_MEMBERS
YY_CTX_MEMBERS
#endif
};
#ifdef YY_CTX_LOCAL
#define YY_CTX_PARAM_ yycontext *yyctx,
#define YY_CTX_PARAM yycontext *yyctx
#define YY_CTX_ARG_ yyctx,
#define YY_CTX_ARG yyctx
#ifndef YY_INPUT
#define YY_INPUT(yy, buf, result, max_size) \
{ \
int yyc= getchar(); \
result= (EOF == yyc) ? 0 : (*(buf)= yyc, 1); \
yyprintf((stderr, "<%c>", yyc)); \
}
#endif
#else
#define YY_CTX_PARAM_
#define YY_CTX_PARAM
#define YY_CTX_ARG_
#define YY_CTX_ARG
yycontext _yyctx= { 0, 0 };
yycontext *yyctx= &_yyctx;
#ifndef YY_INPUT
#define YY_INPUT(buf, result, max_size) \
{ \
int yyc= getchar(); \
result= (EOF == yyc) ? 0 : (*(buf)= yyc, 1); \
yyprintf((stderr, "<%c>", yyc)); \
}
#endif
#endif
YY_LOCAL(int) yyrefill(yycontext *yy)
{
int yyn;
while (yy->__buflen - yy->__pos < 512)
{
yy->__buflen *= 2;
yy->__buf= (char *)YY_REALLOC(yy, yy->__buf, yy->__buflen);
}
#ifdef YY_CTX_LOCAL
YY_INPUT(yy, (yy->__buf + yy->__pos), yyn, (yy->__buflen - yy->__pos));
#else
YY_INPUT((yy->__buf + yy->__pos), yyn, (yy->__buflen - yy->__pos));
#endif
if (!yyn) return 0;
yy->__limit += yyn;
return 1;
}
YY_LOCAL(int) yymatchDot(yycontext *yy)
{
if (yy->__pos >= yy->__limit && !yyrefill(yy)) return 0;
++yy->__pos;
return 1;
}
YY_LOCAL(int) yymatchChar(yycontext *yy, int c)
{
if (yy->__pos >= yy->__limit && !yyrefill(yy)) return 0;
if ((unsigned char)yy->__buf[yy->__pos] == c)
{
++yy->__pos;
yyprintf((stderr, " ok yymatchChar(yy, %c) @ %s\n", c, yy->__buf+yy->__pos));
return 1;
}
yyprintf((stderr, " fail yymatchChar(yy, %c) @ %s\n", c, yy->__buf+yy->__pos));
return 0;
}
YY_LOCAL(int) yymatchString(yycontext *yy, const char *s)
{
int yysav= yy->__pos;
while (*s)
{
if (yy->__pos >= yy->__limit && !yyrefill(yy)) return 0;
if (yy->__buf[yy->__pos] != *s)
{
yy->__pos= yysav;
return 0;
}
++s;
++yy->__pos;
}
return 1;
}
YY_LOCAL(int) yymatchClass(yycontext *yy, unsigned char *bits)
{
int c;
if (yy->__pos >= yy->__limit && !yyrefill(yy)) return 0;
c= (unsigned char)yy->__buf[yy->__pos];
if (bits[c >> 3] & (1 << (c & 7)))
{
++yy->__pos;
yyprintf((stderr, " ok yymatchClass @ %s\n", yy->__buf+yy->__pos));
return 1;
}
yyprintf((stderr, " fail yymatchClass @ %s\n", yy->__buf+yy->__pos));
return 0;
}
YY_LOCAL(void) yyDo(yycontext *yy, yyaction action, int begin, int end)
{
while (yy->__thunkpos >= yy->__thunkslen)
{
yy->__thunkslen *= 2;
yy->__thunks= (yythunk *)YY_REALLOC(yy, yy->__thunks, sizeof(yythunk) * yy->__thunkslen);
}
yy->__thunks[yy->__thunkpos].begin= begin;
yy->__thunks[yy->__thunkpos].end= end;
yy->__thunks[yy->__thunkpos].action= action;
++yy->__thunkpos;
}
YY_LOCAL(int) yyText(yycontext *yy, int begin, int end)
{
int yyleng= end - begin;
if (yyleng <= 0)
yyleng= 0;
else
{
while (yy->__textlen < (yyleng + 1))
{
yy->__textlen *= 2;
yy->__text= (char *)YY_REALLOC(yy, yy->__text, yy->__textlen);
}
memcpy(yy->__text, yy->__buf + begin, yyleng);
}
yy->__text[yyleng]= '\0';
return yyleng;
}
YY_LOCAL(void) yyDone(yycontext *yy)
{
int pos;
for (pos= 0; pos < yy->__thunkpos; ++pos)
{
yythunk *thunk= &yy->__thunks[pos];
int yyleng= thunk->end ? yyText(yy, thunk->begin, thunk->end) : thunk->begin;
yyprintf((stderr, "DO [%d] %p %s\n", pos, thunk->action, yy->__text));
thunk->action(yy, yy->__text, yyleng);
}
yy->__thunkpos= 0;
}
YY_LOCAL(void) yyCommit(yycontext *yy)
{
if ((yy->__limit -= yy->__pos))
{
memmove(yy->__buf, yy->__buf + yy->__pos, yy->__limit);
}
yy->__begin -= yy->__pos;
yy->__end -= yy->__pos;
yy->__pos= yy->__thunkpos= 0;
}
YY_LOCAL(int) yyAccept(yycontext *yy, int tp0)
{
if (tp0)
{
fprintf(stderr, "accept denied at %d\n", tp0);
return 0;
}
else
{
yyDone(yy);
yyCommit(yy);
}
return 1;
}
YY_LOCAL(void) yyPush(yycontext *yy, char *text, int count)
{
yy->__val += count;
while (yy->__valslen <= yy->__val - yy->__vals)
{
long offset= yy->__val - yy->__vals;
yy->__valslen *= 2;
yy->__vals= (YYSTYPE *)YY_REALLOC(yy, yy->__vals, sizeof(YYSTYPE) * yy->__valslen);
yy->__val= yy->__vals + offset;
}
}
YY_LOCAL(void) yyPop(yycontext *yy, char *text, int count) { yy->__val -= count; }
YY_LOCAL(void) yySet(yycontext *yy, char *text, int count) { yy->__val[count]= yy->__; }
#endif /* YY_PART */
#define YYACCEPT yyAccept(yy, yythunkpos0)
YY_RULE(int) yy_space(yycontext *yy); /* 15 */
YY_RULE(int) yy_rule(yycontext *yy); /* 14 */
YY_RULE(int) yy_dot(yycontext *yy); /* 13 */
YY_RULE(int) yy_class(yycontext *yy); /* 12 */
YY_RULE(int) yy_string(yycontext *yy); /* 11 */
YY_RULE(int) yy_atom(yycontext *yy); /* 10 */
YY_RULE(int) yy_postfix(yycontext *yy); /* 9 */
YY_RULE(int) yy_prefix(yycontext *yy); /* 8 */
YY_RULE(int) yy_and(yycontext *yy); /* 7 */
YY_RULE(int) yy_expression(yycontext *yy); /* 6 */
YY_RULE(int) yy__(yycontext *yy); /* 5 */
YY_RULE(int) yy_id(yycontext *yy); /* 4 */
YY_RULE(int) yy_declaration(yycontext *yy); /* 3 */
YY_RULE(int) yy_or(yycontext *yy); /* 2 */
YY_RULE(int) yy_start(yycontext *yy); /* 1 */
YY_ACTION(void) yy_1_dot(yycontext *yy, char *yytext, int yyleng)
{
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_dot\n"));
{
#line 291
__=mkDot();
}
#undef yythunkpos
#undef yypos
#undef yy
}
YY_ACTION(void) yy_1_class(yycontext *yy, char *yytext, int yyleng)
{
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_class\n"));
{
#line 289
__=mkClass(yytext) ;
}
#undef yythunkpos
#undef yypos
#undef yy
}
YY_ACTION(void) yy_1_string(yycontext *yy, char *yytext, int yyleng)
{
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_string\n"));
{
#line 287
__ = mkString(yytext) ;
}
#undef yythunkpos
#undef yypos
#undef yy
}
YY_ACTION(void) yy_1_id(yycontext *yy, char *yytext, int yyleng)
{
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_id\n"));
{
#line 285
__ = mkId(intern(yytext)) ;
}
#undef yythunkpos
#undef yypos
#undef yy
}
YY_ACTION(void) yy_1_rule(yycontext *yy, char *yytext, int yyleng)
{
#define i yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_rule\n"));
{
#line 283
__ = mkId(intern(yytext)) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef i
}
YY_ACTION(void) yy_4_postfix(yycontext *yy, char *yytext, int yyleng)
{
#define s yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_4_postfix\n"));
{
#line 279
__ = s;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef s
}
YY_ACTION(void) yy_3_postfix(yycontext *yy, char *yytext, int yyleng)
{
#define s yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_3_postfix\n"));
{
#line 278
s = mkPlus(s) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef s
}
YY_ACTION(void) yy_2_postfix(yycontext *yy, char *yytext, int yyleng)
{
#define s yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_2_postfix\n"));
{
#line 277
s = mkStar(s) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef s
}
YY_ACTION(void) yy_1_postfix(yycontext *yy, char *yytext, int yyleng)
{
#define s yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_postfix\n"));
{
#line 276
s = mkQuery(s) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef s
}
YY_ACTION(void) yy_2_prefix(yycontext *yy, char *yytext, int yyleng)
{
#define p yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_2_prefix\n"));
{
#line 274
__ = p;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef p
}
YY_ACTION(void) yy_1_prefix(yycontext *yy, char *yytext, int yyleng)
{
#define p yy->__val[-1]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_prefix\n"));
{
#line 273
__ = mkExc(p);
}
#undef yythunkpos
#undef yypos
#undef yy
#undef p
}
YY_ACTION(void) yy_2_and(yycontext *yy, char *yytext, int yyleng)
{
#define a yy->__val[-1]
#define p yy->__val[-2]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_2_and\n"));
{
#line 271
__ = p ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef a
#undef p
}
YY_ACTION(void) yy_1_and(yycontext *yy, char *yytext, int yyleng)
{
#define a yy->__val[-1]
#define p yy->__val[-2]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_and\n"));
{
#line 270
__ = mkAnd(p, a); ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef a
#undef p
}
YY_ACTION(void) yy_2_or(yycontext *yy, char *yytext, int yyleng)
{
#define o yy->__val[-1]
#define a yy->__val[-2]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_2_or\n"));
{
#line 268
__ = a ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef o
#undef a
}
YY_ACTION(void) yy_1_or(yycontext *yy, char *yytext, int yyleng)
{
#define o yy->__val[-1]
#define a yy->__val[-2]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_or\n"));
{
#line 267
__ = mkOr(o, a) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef o
#undef a
}
YY_ACTION(void) yy_1_declaration(yycontext *yy, char *yytext, int yyleng)
{
#define e yy->__val[-1]
#define i yy->__val[-2]
#define __ yy->__
#define yypos yy->__pos
#define yythunkpos yy->__thunkpos
yyprintf((stderr, "do yy_1_declaration\n"));
{
#line 263
setRule(get(i, Id, symbol)->name, e) ;
}
#undef yythunkpos
#undef yypos
#undef yy
#undef e
#undef i
}
YY_RULE(int) yy_space(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "space"));
{ int yypos2= yy->__pos, yythunkpos2= yy->__thunkpos; if (!yymatchClass(yy, (unsigned char *)"\000\002\000\000\001\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000")) goto l3; goto l2;
l3:; yy->__pos= yypos2; yy->__thunkpos= yythunkpos2; if (!yymatchChar(yy, '\n')) goto l4;
l5:;
{ int yypos6= yy->__pos, yythunkpos6= yy->__thunkpos; if (!yymatchChar(yy, '\r')) goto l6; goto l5;
l6:; yy->__pos= yypos6; yy->__thunkpos= yythunkpos6;
} goto l2;
l4:; yy->__pos= yypos2; yy->__thunkpos= yythunkpos2; if (!yymatchChar(yy, '\r')) goto l1;
l7:;
{ int yypos8= yy->__pos, yythunkpos8= yy->__thunkpos; if (!yymatchChar(yy, '\n')) goto l8; goto l7;
l8:; yy->__pos= yypos8; yy->__thunkpos= yythunkpos8;
}
}
l2:;
yyprintf((stderr, " ok %s @ %s\n", "space", yy->__buf+yy->__pos));
return 1;
l1:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "space", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_rule(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 1, 0);
yyprintf((stderr, "%s\n", "rule")); if (!yy_id(yy)) goto l9; yyDo(yy, yySet, -1, 0);
{ int yypos10= yy->__pos, yythunkpos10= yy->__thunkpos; if (!yymatchChar(yy, '=')) goto l10; goto l9;
l10:; yy->__pos= yypos10; yy->__thunkpos= yythunkpos10;
} yyDo(yy, yy_1_rule, yy->__begin, yy->__end);
yyprintf((stderr, " ok %s @ %s\n", "rule", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 1, 0);
return 1;
l9:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "rule", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_dot(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "dot")); if (!yy__(yy)) goto l11; if (!yymatchChar(yy, '.')) goto l11; if (!yy__(yy)) goto l11; yyDo(yy, yy_1_dot, yy->__begin, yy->__end); if (!yy__(yy)) goto l11;
yyprintf((stderr, " ok %s @ %s\n", "dot", yy->__buf+yy->__pos));
return 1;
l11:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "dot", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_class(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "class")); if (!yymatchChar(yy, '[')) goto l12; if (!yy__(yy)) goto l12; yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_BEGIN)) goto l12;
#undef yytext
#undef yyleng
}
l13:;
{ int yypos14= yy->__pos, yythunkpos14= yy->__thunkpos;
{ int yypos15= yy->__pos, yythunkpos15= yy->__thunkpos; if (!yymatchChar(yy, ']')) goto l15; goto l14;
l15:; yy->__pos= yypos15; yy->__thunkpos= yythunkpos15;
} if (!yy_string(yy)) goto l14; goto l13;
l14:; yy->__pos= yypos14; yy->__thunkpos= yythunkpos14;
} yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_END)) goto l12;
#undef yytext
#undef yyleng
} if (!yymatchChar(yy, ']')) goto l12; yyDo(yy, yy_1_class, yy->__begin, yy->__end); if (!yy__(yy)) goto l12;
yyprintf((stderr, " ok %s @ %s\n", "class", yy->__buf+yy->__pos));
return 1;
l12:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "class", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_string(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "string")); if (!yymatchChar(yy, '"')) goto l16; yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_BEGIN)) goto l16;
#undef yytext
#undef yyleng
}
l17:;
{ int yypos18= yy->__pos, yythunkpos18= yy->__thunkpos; if (!yymatchClass(yy, (unsigned char *)"\377\377\377\377\373\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377")) goto l18; goto l17;
l18:; yy->__pos= yypos18; yy->__thunkpos= yythunkpos18;
} yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_END)) goto l16;
#undef yytext
#undef yyleng
} if (!yymatchChar(yy, '"')) goto l16; yyDo(yy, yy_1_string, yy->__begin, yy->__end); if (!yy__(yy)) goto l16;
yyprintf((stderr, " ok %s @ %s\n", "string", yy->__buf+yy->__pos));
return 1;
l16:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "string", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_atom(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "atom"));
{ int yypos20= yy->__pos, yythunkpos20= yy->__thunkpos; if (!yy_string(yy)) goto l21; goto l20;
l21:; yy->__pos= yypos20; yy->__thunkpos= yythunkpos20; if (!yy_class(yy)) goto l22; goto l20;
l22:; yy->__pos= yypos20; yy->__thunkpos= yythunkpos20; if (!yy_dot(yy)) goto l23; goto l20;
l23:; yy->__pos= yypos20; yy->__thunkpos= yythunkpos20; if (!yy_rule(yy)) goto l19;
}
l20:;
yyprintf((stderr, " ok %s @ %s\n", "atom", yy->__buf+yy->__pos));
return 1;
l19:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "atom", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_postfix(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 1, 0);
yyprintf((stderr, "%s\n", "postfix")); if (!yy_atom(yy)) goto l24; yyDo(yy, yySet, -1, 0);
{ int yypos25= yy->__pos, yythunkpos25= yy->__thunkpos;
{ int yypos27= yy->__pos, yythunkpos27= yy->__thunkpos; if (!yymatchChar(yy, '?')) goto l28; if (!yy__(yy)) goto l28; yyDo(yy, yy_1_postfix, yy->__begin, yy->__end); goto l27;
l28:; yy->__pos= yypos27; yy->__thunkpos= yythunkpos27; if (!yymatchChar(yy, '*')) goto l29; if (!yy__(yy)) goto l29; yyDo(yy, yy_2_postfix, yy->__begin, yy->__end); goto l27;
l29:; yy->__pos= yypos27; yy->__thunkpos= yythunkpos27; if (!yymatchChar(yy, '+')) goto l25; if (!yy__(yy)) goto l25; yyDo(yy, yy_3_postfix, yy->__begin, yy->__end);
}
l27:; goto l26;
l25:; yy->__pos= yypos25; yy->__thunkpos= yythunkpos25;
}
l26:; yyDo(yy, yy_4_postfix, yy->__begin, yy->__end);
yyprintf((stderr, " ok %s @ %s\n", "postfix", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 1, 0);
return 1;
l24:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "postfix", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_prefix(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 1, 0);
yyprintf((stderr, "%s\n", "prefix"));
{ int yypos31= yy->__pos, yythunkpos31= yy->__thunkpos; if (!yymatchChar(yy, '!')) goto l32; if (!yy__(yy)) goto l32; if (!yy_postfix(yy)) goto l32; yyDo(yy, yySet, -1, 0); yyDo(yy, yy_1_prefix, yy->__begin, yy->__end); goto l31;
l32:; yy->__pos= yypos31; yy->__thunkpos= yythunkpos31; if (!yy_postfix(yy)) goto l30; yyDo(yy, yySet, -1, 0); yyDo(yy, yy_2_prefix, yy->__begin, yy->__end);
}
l31:;
yyprintf((stderr, " ok %s @ %s\n", "prefix", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 1, 0);
return 1;
l30:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "prefix", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_and(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 2, 0);
yyprintf((stderr, "%s\n", "and"));
{ int yypos34= yy->__pos, yythunkpos34= yy->__thunkpos; if (!yy_prefix(yy)) goto l35; yyDo(yy, yySet, -2, 0); if (!yy_and(yy)) goto l35; yyDo(yy, yySet, -1, 0); yyDo(yy, yy_1_and, yy->__begin, yy->__end); goto l34;
l35:; yy->__pos= yypos34; yy->__thunkpos= yythunkpos34; if (!yy_prefix(yy)) goto l33; yyDo(yy, yySet, -2, 0); yyDo(yy, yy_2_and, yy->__begin, yy->__end);
}
l34:;
yyprintf((stderr, " ok %s @ %s\n", "and", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 2, 0);
return 1;
l33:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "and", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_expression(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "expression")); if (!yy_or(yy)) goto l36;
yyprintf((stderr, " ok %s @ %s\n", "expression", yy->__buf+yy->__pos));
return 1;
l36:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "expression", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy__(yycontext *yy)
{
yyprintf((stderr, "%s\n", "_"));
l38:;
{ int yypos39= yy->__pos, yythunkpos39= yy->__thunkpos; if (!yy_space(yy)) goto l39; goto l38;
l39:; yy->__pos= yypos39; yy->__thunkpos= yythunkpos39;
}
yyprintf((stderr, " ok %s @ %s\n", "_", yy->__buf+yy->__pos));
return 1;
}
YY_RULE(int) yy_id(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "id")); yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_BEGIN)) goto l40;
#undef yytext
#undef yyleng
} if (!yymatchClass(yy, (unsigned char *)"\000\000\000\000\000\000\000\000\376\377\377\377\377\377\377\007\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000")) goto l40;
l41:;
{ int yypos42= yy->__pos, yythunkpos42= yy->__thunkpos; if (!yymatchClass(yy, (unsigned char *)"\000\000\000\000\000\000\377\003\376\377\377\377\377\377\377\007\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000")) goto l42; goto l41;
l42:; yy->__pos= yypos42; yy->__thunkpos= yythunkpos42;
} yyText(yy, yy->__begin, yy->__end); {
#define yytext yy->__text
#define yyleng yy->__textlen
if (!(YY_END)) goto l40;
#undef yytext
#undef yyleng
} if (!yy__(yy)) goto l40; yyDo(yy, yy_1_id, yy->__begin, yy->__end);
yyprintf((stderr, " ok %s @ %s\n", "id", yy->__buf+yy->__pos));
return 1;
l40:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "id", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_declaration(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 2, 0);
yyprintf((stderr, "%s\n", "declaration")); if (!yy_id(yy)) goto l43; yyDo(yy, yySet, -2, 0); if (!yymatchChar(yy, '=')) goto l43; if (!yy__(yy)) goto l43; if (!yy_expression(yy)) goto l43; yyDo(yy, yySet, -1, 0); yyDo(yy, yy_1_declaration, yy->__begin, yy->__end);
yyprintf((stderr, " ok %s @ %s\n", "declaration", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 2, 0);
return 1;
l43:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "declaration", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_or(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos; yyDo(yy, yyPush, 2, 0);
yyprintf((stderr, "%s\n", "or"));
{ int yypos45= yy->__pos, yythunkpos45= yy->__thunkpos; if (!yy_and(yy)) goto l46; yyDo(yy, yySet, -2, 0); if (!yy__(yy)) goto l46; if (!yymatchChar(yy, '|')) goto l46; if (!yy__(yy)) goto l46; if (!yy_or(yy)) goto l46; yyDo(yy, yySet, -1, 0); yyDo(yy, yy_1_or, yy->__begin, yy->__end); goto l45;
l46:; yy->__pos= yypos45; yy->__thunkpos= yythunkpos45; if (!yy_and(yy)) goto l44; yyDo(yy, yySet, -2, 0); yyDo(yy, yy_2_or, yy->__begin, yy->__end);
}
l45:;
yyprintf((stderr, " ok %s @ %s\n", "or", yy->__buf+yy->__pos)); yyDo(yy, yyPop, 2, 0);
return 1;
l44:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "or", yy->__buf+yy->__pos));
return 0;
}
YY_RULE(int) yy_start(yycontext *yy)
{ int yypos0= yy->__pos, yythunkpos0= yy->__thunkpos;
yyprintf((stderr, "%s\n", "start"));
{ int yypos48= yy->__pos, yythunkpos48= yy->__thunkpos; if (!yy_or(yy)) goto l49; goto l48;
l49:; yy->__pos= yypos48; yy->__thunkpos= yythunkpos48; if (!yy_declaration(yy)) goto l47;
l50:;
{ int yypos51= yy->__pos, yythunkpos51= yy->__thunkpos; if (!yy_declaration(yy)) goto l51; goto l50;
l51:; yy->__pos= yypos51; yy->__thunkpos= yythunkpos51;
}
}
l48:;
yyprintf((stderr, " ok %s @ %s\n", "start", yy->__buf+yy->__pos));
return 1;
l47:; yy->__pos= yypos0; yy->__thunkpos= yythunkpos0;
yyprintf((stderr, " fail %s @ %s\n", "start", yy->__buf+yy->__pos));
return 0;
}
#ifndef YY_PART
typedef int (*yyrule)(yycontext *yy);
YY_PARSE(int) YYPARSEFROM(YY_CTX_PARAM_ yyrule yystart)
{
int yyok;
if (!yyctx->__buflen)
{
yyctx->__buflen= YY_BUFFER_SIZE;
yyctx->__buf= (char *)YY_MALLOC(yyctx, yyctx->__buflen);
yyctx->__textlen= YY_BUFFER_SIZE;
yyctx->__text= (char *)YY_MALLOC(yyctx, yyctx->__textlen);
yyctx->__thunkslen= YY_STACK_SIZE;
yyctx->__thunks= (yythunk *)YY_MALLOC(yyctx, sizeof(yythunk) * yyctx->__thunkslen);
yyctx->__valslen= YY_STACK_SIZE;
yyctx->__vals= (YYSTYPE *)YY_MALLOC(yyctx, sizeof(YYSTYPE) * yyctx->__valslen);
yyctx->__begin= yyctx->__end= yyctx->__pos= yyctx->__limit= yyctx->__thunkpos= 0;
}
yyctx->__begin= yyctx->__end= yyctx->__pos;
yyctx->__thunkpos= 0;
yyctx->__val= yyctx->__vals;
yyok= yystart(yyctx);
if (yyok) yyDone(yyctx);
yyCommit(yyctx);
return yyok;
}
YY_PARSE(int) YYPARSE(YY_CTX_PARAM)
{
return YYPARSEFROM(YY_CTX_ARG_ yy_start);
}
YY_PARSE(yycontext *) YYRELEASE(yycontext *yyctx)
{
if (yyctx->__buflen)
{
yyctx->__buflen= 0;
YY_FREE(yyctx, yyctx->__buf);
YY_FREE(yyctx, yyctx->__text);
YY_FREE(yyctx, yyctx->__thunks);
YY_FREE(yyctx, yyctx->__vals);
}
return yyctx;
}
#endif
#line 298 "parse.leg"
int execute(Node *node, InputBuffer *in)
{
switch (node->type) {
case String: {
if (strncmp(currentText(in), get(node,String,string), get(node,String,len))) {
return 0;
}
advance(in, get(node,String,len));
return 1;
}
case And: {
int pos= getPosition(in);
if (!execute(get(node,And,children[0]), in)) //si il y a eu une erreur
{
return 0;
} //si ça s'est bien passé
if (!execute(get(node,And,children[1]), in)) {
setPosition(in, pos);
return 0;
}
return 1;
}
case Or: {
if (execute(get(node,Or,children[0]), in)) {
return 1;
}
return execute(get(node,Or,children[1]), in);
}
case Star: {
while (execute(get(node,Star,children[0]), in));
return 1;
}
case Plus: {
if (!execute(get(node,Plus,children[0]), in)) {
return 0;
}
while (execute(get(node,Plus,children[0]), in));
return 1;
}
case Class: {
if (!currentChar(in)) {
return 0;
}
if (strchr(get(node,Class,stringValue), currentChar(in))) {
advance(in, 1);
return 1;
}
return 0;
}
case Query: {
execute(get(node,Query,children[0]), in);
return 1;
}
case Exc: {
int pos= getPosition(in);
if (!execute(get(node,Exc,children[0]), in)) {
return 1;
}
setPosition(in, pos);
return 0;
}
case Dot: {
if (atEnd(in)) {
return 0;
}
advance(in, 1);
return 1;
}
case Id: {
Symbol *symbol= get(node, Id, symbol);
if (0 == symbol->rule) { printf("undefined rule: %s\n", symbol->name); }
return execute(symbol->rule, in);
}
}
printf("this cannot happen\n");
abort();
}
int main(int argc, char **argv)
{
if(argc<2) return 0;
inputBuffer = mkInputBuffer(argv[1]);
if (!yyparse()) {
printf("Error\n");
return 1;
}
println(yylval);
char *line=0;
size_t line_max=0;
ssize_t line_len=0;
Symbol *start= intern("start");
if (!start->rule) perror("no start rule");
while((line_len=getline(&line,&line_max,stdin))>=0){
if(line_len>0 && line[line_len-1]=='\n'){
line[line_len-1]=0;
}
initInputBuffer(inputBuffer,line);
if (!execute(yylval, inputBuffer) || !atEnd(inputBuffer)){
printf("no match, current position : %i\n", getPosition(inputBuffer));
}
else{
printf("match, current position : %i\n", getPosition(inputBuffer));
}// 0 => no match, 1 => match
}
return 0;
(void)yySet;
(void)yyPop;
(void)yyPush;
(void)yyAccept;
(void)yymatchDot;
(void)yymatchString;
(void)yymatchChar;
}