📄 simple.tab.c
字号:
{
(yyval.comm) = makeA_writeCommand((yyvsp[0].expr));
;}
break;
case 13:
#line 98 "Simple.y"
{
(yyval.comm) = makeA_assignCommand((yyvsp[-2].id), (yyvsp[0].expr));
;}
break;
case 14:
#line 102 "Simple.y"
{
then_block = (A_commands) malloc(sizeof(struct A_commands_));
else_block = (A_commands) malloc(sizeof(struct A_commands_));
;}
break;
case 15:
#line 109 "Simple.y"
{
then_block = thecommands;
;}
break;
case 16:
#line 114 "Simple.y"
{
;}
break;
case 17:
#line 117 "Simple.y"
{
else_block = thecommands;
;}
break;
case 18:
#line 120 "Simple.y"
{
(yyval.comm) = makeA_ifCommand((yyvsp[-9].expr), then_block, else_block);
;}
break;
case 19:
#line 126 "Simple.y"
{
loop_block = (A_commands) malloc(sizeof(struct A_commands_));
while_exp = (A_exp) malloc(sizeof(struct A_exp_));
while_exp = (yyvsp[0].expr);
;}
break;
case 20:
#line 133 "Simple.y"
{
loop_block = thecommands;
(yyval.comm) = makeA_whileCommand((yyvsp[-4].expr), loop_block);
;}
break;
case 21:
#line 139 "Simple.y"
{ (yyval.expr) = makeA_numExp((yyvsp[0].intval)); ;}
break;
case 22:
#line 140 "Simple.y"
{ (yyval.expr) = makeA_idExp((yyvsp[0].id)); ;}
break;
case 23:
#line 141 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_lt, (yyvsp[0].expr)); ;}
break;
case 24:
#line 142 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_eq, (yyvsp[0].expr)); ;}
break;
case 25:
#line 143 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_gt, (yyvsp[0].expr)); ;}
break;
case 26:
#line 144 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_plus, (yyvsp[0].expr)); ;}
break;
case 27:
#line 145 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_minus, (yyvsp[0].expr)); ;}
break;
case 28:
#line 146 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_times, (yyvsp[0].expr)); ;}
break;
case 29:
#line 147 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_div, (yyvsp[0].expr)); ;}
break;
case 30:
#line 148 "Simple.y"
{ (yyval.expr) = makeA_opExp((yyvsp[-2].expr), A_power, (yyvsp[0].expr)); ;}
break;
case 31:
#line 149 "Simple.y"
{/**/;}
break;
default: break;
}
/* Line 1126 of yacc.c. */
#line 1403 "Simple.tab.c"
yyvsp -= yylen;
yyssp -= yylen;
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
/* Now `shift' the result of the reduction. Determine what state
that goes to, based on the state we popped back to and the rule
number reduced by. */
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
/*------------------------------------.
| yyerrlab -- here on detecting error |
`------------------------------------*/
yyerrlab:
/* If not already recovering from an error, report this error. */
if (!yyerrstatus)
{
++yynerrs;
#if YYERROR_VERBOSE
yyn = yypact[yystate];
if (YYPACT_NINF < yyn && yyn < YYLAST)
{
int yytype = YYTRANSLATE (yychar);
YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
YYSIZE_T yysize = yysize0;
YYSIZE_T yysize1;
int yysize_overflow = 0;
char *yymsg = 0;
# define YYERROR_VERBOSE_ARGS_MAXIMUM 5
char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
int yyx;
#if 0
/* This is so xgettext sees the translatable formats that are
constructed on the fly. */
YY_("syntax error, unexpected %s");
YY_("syntax error, unexpected %s, expecting %s");
YY_("syntax error, unexpected %s, expecting %s or %s");
YY_("syntax error, unexpected %s, expecting %s or %s or %s");
YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
#endif
char *yyfmt;
char const *yyf;
static char const yyunexpected[] = "syntax error, unexpected %s";
static char const yyexpecting[] = ", expecting %s";
static char const yyor[] = " or %s";
char yyformat[sizeof yyunexpected
+ sizeof yyexpecting - 1
+ ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
* (sizeof yyor - 1))];
char const *yyprefix = yyexpecting;
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */
int yychecklim = YYLAST - yyn;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
int yycount = 1;
yyarg[0] = yytname[yytype];
yyfmt = yystpcpy (yyformat, yyunexpected);
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
{
yycount = 1;
yysize = yysize0;
yyformat[sizeof yyunexpected - 1] = '\0';
break;
}
yyarg[yycount++] = yytname[yyx];
yysize1 = yysize + yytnamerr (0, yytname[yyx]);
yysize_overflow |= yysize1 < yysize;
yysize = yysize1;
yyfmt = yystpcpy (yyfmt, yyprefix);
yyprefix = yyor;
}
yyf = YY_(yyformat);
yysize1 = yysize + yystrlen (yyf);
yysize_overflow |= yysize1 < yysize;
yysize = yysize1;
if (!yysize_overflow && yysize <= YYSTACK_ALLOC_MAXIMUM)
yymsg = (char *) YYSTACK_ALLOC (yysize);
if (yymsg)
{
/* Avoid sprintf, as that infringes on the user's name space.
Don't have undefined behavior even if the translation
produced a string with the wrong number of "%s"s. */
char *yyp = yymsg;
int yyi = 0;
while ((*yyp = *yyf))
{
if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
{
yyp += yytnamerr (yyp, yyarg[yyi++]);
yyf += 2;
}
else
{
yyp++;
yyf++;
}
}
yyerror (yymsg);
YYSTACK_FREE (yymsg);
}
else
{
yyerror (YY_("syntax error"));
goto yyexhaustedlab;
}
}
else
#endif /* YYERROR_VERBOSE */
yyerror (YY_("syntax error"));
}
if (yyerrstatus == 3)
{
/* If just tried and failed to reuse look-ahead token after an
error, discard it. */
if (yychar <= YYEOF)
{
/* Return failure if at end of input. */
if (yychar == YYEOF)
YYABORT;
}
else
{
yydestruct ("Error: discarding", yytoken, &yylval);
yychar = YYEMPTY;
}
}
/* Else will try to reuse look-ahead token after shifting the error
token. */
goto yyerrlab1;
/*---------------------------------------------------.
| yyerrorlab -- error raised explicitly by YYERROR. |
`---------------------------------------------------*/
yyerrorlab:
/* Pacify compilers like GCC when the user code never invokes
YYERROR and the label yyerrorlab therefore never appears in user
code. */
if (0)
goto yyerrorlab;
yyvsp -= yylen;
yyssp -= yylen;
yystate = *yyssp;
goto yyerrlab1;
/*-------------------------------------------------------------.
| yyerrlab1 -- common code for both syntax error and YYERROR. |
`-------------------------------------------------------------*/
yyerrlab1:
yyerrstatus = 3; /* Each real token shifted decrements this. */
for (;;)
{
yyn = yypact[yystate];
if (yyn != YYPACT_NINF)
{
yyn += YYTERROR;
if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
{
yyn = yytable[yyn];
if (0 < yyn)
break;
}
}
/* Pop the current state because it cannot handle the error token. */
if (yyssp == yyss)
YYABORT;
yydestruct ("Error: popping", yystos[yystate], yyvsp);
YYPOPSTACK;
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
if (yyn == YYFINAL)
YYACCEPT;
*++yyvsp = yylval;
/* Shift the error token. */
YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
yystate = yyn;
goto yynewstate;
/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
yyresult = 0;
goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
yyresult = 1;
goto yyreturn;
#ifndef yyoverflow
/*-------------------------------------------------.
| yyexhaustedlab -- memory exhaustion comes here. |
`-------------------------------------------------*/
yyexhaustedlab:
yyerror (YY_("memory exhausted"));
yyresult = 2;
/* Fall through. */
#endif
yyreturn:
if (yychar != YYEOF && yychar != YYEMPTY)
yydestruct ("Cleanup: discarding lookahead",
yytoken, &yylval);
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
yystos[*yyssp], yyvsp);
YYPOPSTACK;
}
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
#endif
return yyresult;
}
#line 152 "Simple.y"
main( int argc, char *argv[])
{ extern FILE *yyin;
++argv; --argc;
yyin = fopen( argv[0], "r" );
errors = 0;
yyparse ();
printf ( "Parse Completed\n" );
if ( errors == 0 )
{
printAST(theprogram, argv[1]);
}
}
yyerror ( char *s )
{
errors++;
printf("%s\n", s);
return 0;
}
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