# Exercising Bison on actual grammars. -*- Autotest -*-
-# Copyright (C) 2002 Free Software Foundation, Inc.
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
+# Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2003, 2004, 2005,
+# 2007 Free Software Foundation, Inc.
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-
+#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
AT_BANNER([[Existing Grammars.]])
## ----------------- ##
| l_brace r_brace opt_semi opt_nls
;
-
pattern
: exp
| exp ',' exp
AT_CLEANUP
-
## ----------------- ##
## GNU Cim Grammar. ##
## ----------------- ##
# It reported 80 SR && 99 RR conflicts instead of 78/10!!!
AT_DATA([[input.y]],
-[[%union {
- long token;
- long ival;
- long arrdim;
- double rval;
- char *ident;
- char *tval;
- char stat_decl;
- }
+[[%union {}
%token
- HACTIVATE HAFTER /*HAND*/ HARRAY HAT
- HBEFORE HBEGIN HBOOLEAN
- HCHARACTER HCLASS /*HCOMMENT*/ HCONC
- HDELAY HDO
- HELSE HEND HEQ /*HEQV*/ HEXTERNAL
- HFOR
- HGE HGO HGOTO HGT
- HHIDDEN
- HIF /*HIMP*/ HIN HINNER HINSPECT HINTEGER HIS
- HLABEL HLE HLONG HLT
- HNAME HNE HNEW HNONE /*HNOT*/ HNOTEXT
- /*HOR*/ HOTHERWISE
- HPRIOR HPROCEDURE HPROTECTED
- HQUA
- HREACTIVATE HREAL HREF
- HSHORT HSTEP HSWITCH
- HTEXT HTHEN HTHIS HTO
- HUNTIL
- HVALUE HVAR HVIRTUAL
- HWHEN HWHILE
-
- HASSIGNVALUE HASSIGNREF
- /*HDOT*/ HPAREXPSEPARATOR HLABELSEPARATOR HSTATEMENTSEPARATOR
- HBEGPAR HENDPAR
- HEQR HNER
- HADD HSUB HMUL HDIV HINTDIV HEXP
- HDOTDOTDOT
-
-%token <ident> HIDENTIFIER
-%token <ival> HBOOLEANKONST HINTEGERKONST HCHARACTERKONST
-%token <rval> HREALKONST
-%token <tval> HTEXTKONST
-
-%type <tval> EXT_IDENT
-%type <stat_decl> DECLSTATEMENT MODULSTATEMENT MBEE_DECLSTMS MBEE_DECLSTMSU
-%type <stat_decl> MODULS
-%type <ident> EXPRESSION_SIMP MBEE_ARG_R_PT
-%type <arrdim> BAUND_PAIR_LIST
-
-%right <token> HASSIGN
+ HACTIVATE HAFTER /*HAND*/ HARRAY HAT
+ HBEFORE HBEGIN HBOOLEAN
+ HCHARACTER HCLASS /*HCOMMENT*/ HCONC
+ HDELAY HDO
+ HELSE HEND HEQ /*HEQV*/ HEXTERNAL
+ HFOR
+ HGE HGO HGOTO HGT
+ HHIDDEN
+ HIF /*HIMP*/ HIN HINNER HINSPECT HINTEGER HIS
+ HLABEL HLE HLONG HLT
+ HNAME HNE HNEW HNONE /*HNOT*/ HNOTEXT
+ /*HOR*/ HOTHERWISE
+ HPRIOR HPROCEDURE HPROTECTED
+ HQUA
+ HREACTIVATE HREAL HREF
+ HSHORT HSTEP HSWITCH
+ HTEXT HTHEN HTHIS HTO
+ HUNTIL
+ HVALUE HVAR HVIRTUAL
+ HWHEN HWHILE
+
+ HASSIGNVALUE HASSIGNREF
+ /*HDOT*/ HPAREXPSEPARATOR HLABELSEPARATOR HSTATEMENTSEPARATOR
+ HBEGPAR HENDPAR
+ HEQR HNER
+ HADD HSUB HMUL HDIV HINTDIV HEXP
+ HDOTDOTDOT
+
+%token HIDENTIFIER
+%token HBOOLEANKONST HINTEGERKONST HCHARACTERKONST
+%token HREALKONST
+%token HTEXTKONST
+
+
+%right HASSIGN
%left HORELSE
%left HANDTHEN
%left HEQV
%left HNOT
-%left <token> HVALRELOPERATOR HREFRELOPERATOR HOBJRELOPERATOR
+%left HVALRELOPERATOR HREFRELOPERATOR HOBJRELOPERATOR
%left HCONC
-%left <token> HTERMOPERATOR
-%left <token> UNEAR
-%left <token> HFACTOROPERATOR
+%left HTERMOPERATOR
+%left UNEAR
+%left HFACTOROPERATOR
%left HPRIMARYOPERATOR
%left HQUA
%start MAIN_MODULE
%%
/* GRAMATIKK FOR PROGRAM MODULES */
-MAIN_MODULE : { categ=CLOCAL; mout(MBLOCK);
- beginBlock(KBLOKK);separat_comp=FALSE;}
- MODULS { endBlock(NULL,CCNO); mout(MENDBLOCK);}
- | error HSTATEMENTSEPARATOR MBEE_DECLSTMS
+MAIN_MODULE : {}
+ MODULS
+ | error HSTATEMENTSEPARATOR MBEE_DECLSTMS
;
EXT_DECLARATION : HEXTERNAL
MBEE_TYPE
HPROCEDURE
- { MBEENEWBLOCK();
- kind=KPROC;}
+ {}
EXT_LIST
|
HEXTERNAL
HIDENTIFIER
HPROCEDURE
- { MBEENEWBLOCK();
- type=TNOTY;
- kind=KPROC;
- if($2==Ckind)categ=CCPROC;else
- yerror (1);
- ysensitive=sensitive;
- sensitive=ON;}
- HIDENTIFIER { $<ident>$=$5;
- sensitive=ysensitive;}
+ {}
+ HIDENTIFIER {}
EXTERNAL_KIND_ITEM
- { categ=CLOCAL;}
| HEXTERNAL
HCLASS
- { MBEENEWBLOCK();
- kind=KCLASS;}
+ {}
EXT_LIST
;
EXTERNAL_KIND_ITEM: EXT_IDENT
HOBJRELOPERATOR
- { if($2!=HIS)yerror (2);}
- MBEE_TYPE HPROCEDURE
+ {}
+ MBEE_TYPE HPROCEDURE
HIDENTIFIER
- { regDecl($6, type, KPROC, CCPROC);
- beginBlock(kind);}
- HEADING EMPTY_BLOCK
- { categ=CLOCAL;
- endBlock($1==NULL?$<ident>0:tag($1),CCCPROC);}
+ {}
+ HEADING EMPTY_BLOCK
+ {}
/* |
EXT_IDENT
- { if($1!=NULL)yerror (3);
- regDecl($0, type, kind, categ);}
+ {}
MBEE_REST_EXT_LIST
- { endBlock(NULL,CCNO);}
;
MBEE_REST_EXT_LIST: /* EMPTY
| HPAREXPSEPARATOR EXT_KIND_LIST
;
EXT_KIND_ITEM : HIDENTIFIER
EXT_IDENT
- { if($2!=NULL)yerror (3);
- regDecl($1, type, kind, categ);}*/
+ {}*/
;
EMPTY_BLOCK : /*EMPT*/
| HBEGIN HEND
;
EXT_ITEM : HIDENTIFIER
EXT_IDENT
- { lesinn_external_spec($1,$2, kind);}
;
-EXT_IDENT : /* EMPTY */ { $$=NULL;}
- | HVALRELOPERATOR { if($1!=HEQ)yerror (9);
- external=TRUE;}
- HTEXTKONST { $$=$3;external=FALSE;}
+EXT_IDENT : /* EMPTY */
+ | HVALRELOPERATOR {}
+ HTEXTKONST
;
/* GRAMATIKK FOR TYPER */
-NO_TYPE : /*EMPT*/ { type=TNOTY;}
- ;
+NO_TYPE : /*EMPT*/
+ ;
MBEE_TYPE : NO_TYPE
- | TYPE
- ;
+ | TYPE
+ ;
TYPE : HREF HBEGPAR
- HIDENTIFIER
- { prefquantident=$3;
- type=TREF;}
- HENDPAR
- | HTEXT { type=TTEXT;}
- | HBOOLEAN { type=TBOOL;}
- | HCHARACTER { type=TCHAR;}
- | HSHORT HINTEGER { type=TSHORT;}
- | HINTEGER { type=TINTG;}
- | HREAL { type=TREAL;}
- | HLONG HREAL { type=TLONG;}
- ;
+ HIDENTIFIER
+ {}
+ HENDPAR
+ | HTEXT
+ | HBOOLEAN
+ | HCHARACTER
+ | HSHORT HINTEGER
+ | HINTEGER
+ | HREAL
+ | HLONG HREAL
+ ;
/* GRAMATIKK FOR DEL AV SETNINGER */
MBEE_ELSE_PART : /*EMPT*/
/* | HELSE
HIF
- EXPRESSION
- HTHEN { mout(MELSE);
- mout(MIF);
- OBSBLOCK();}
- BLOCK { MBEEENDBLOCK();}
- MBEE_ELSE_PART { mout(MENDIF);}*/
- | HELSE { OBSBLOCK(); mout(MELSE);}
- BLOCK { MBEEENDBLOCK();}
- ;
-FOR_LIST : FOR_LIST_ELEMENT { mout(MENDSEP);
- mout(MLISTSEP);}
- | FOR_LIST_ELEMENT
- HPAREXPSEPARATOR
- FOR_LIST { mout(MLISTSEP);}
- ;
+ EXPRESSION
+ HTHEN {}
+ BLOCK {}
+ MBEE_ELSE_PART {}*/
+ | HELSE {}
+ BLOCK
+ ;
+FOR_LIST : FOR_LIST_ELEMENT
+ | FOR_LIST_ELEMENT
+ HPAREXPSEPARATOR
+ FOR_LIST
+ ;
FOR_LIST_ELEMENT: EXPRESSION
- MBEE_F_L_EL_R_PT
- ;
+ MBEE_F_L_EL_R_PT
+ ;
MBEE_F_L_EL_R_PT: /*EMPT*/
- | HWHILE
- EXPRESSION { mout(MFORWHILE);}
- | HSTEP
- EXPRESSION
- HUNTIL
- EXPRESSION { mout(MUNTIL);
- mout(MSTEP);}
- ;
+ | HWHILE
+ EXPRESSION
+ | HSTEP
+ EXPRESSION
+ HUNTIL
+ EXPRESSION
+ ;
GOTO : HGO
- HTO
- | HGOTO
- ;
+ HTO
+ | HGOTO
+ ;
CONN_STATE_R_PT : WHEN_CLAUSE_LIST
- | HDO { beginBlock(KCON); mout(MDO);
- OBSBLOCK(); }
- BLOCK { endBlock(NULL,CCNO);
- MBEEENDBLOCK(); mout(MENDDO);}
- ;
+ | HDO {}
+ BLOCK
+ ;
WHEN_CLAUSE_LIST: HWHEN
- HIDENTIFIER
- HDO { beginBlock(KCON); mout(MIDENTIFIER);
- OBSBLOCK(); moutId($2);
- mout(MWHEN);}
- BLOCK { endBlock(NULL,CCNO);
- MBEEENDBLOCK(); mout(MENDWHEN);}
- | WHEN_CLAUSE_LIST
- HWHEN
- HIDENTIFIER
- HDO { beginBlock(KCON); mout(MIDENTIFIER);
- OBSBLOCK(); moutId($3);
- mout(MWHEN);}
- BLOCK { endBlock(NULL,CCNO);
- MBEEENDBLOCK(); mout(MENDWHEN);}
- ;
+ HIDENTIFIER
+ HDO {}
+ BLOCK
+ | WHEN_CLAUSE_LIST
+ HWHEN
+ HIDENTIFIER
+ HDO {}
+ BLOCK
+ ;
MBEE_OTWI_CLAUS : /*EMPT*/
- | HOTHERWISE {OBSBLOCK(); mout(MOTHERWISE);}
-
- BLOCK {MBEEENDBLOCK();mout(MENDOTHERWISE);}
- ;
-ACTIVATOR : HACTIVATE { mout(MBOOLEANKONST);
- moutIval(FALSE);}
- | HREACTIVATE { mout(MBOOLEANKONST);
- moutIval(TRUE);}
- ;
-SCHEDULE : /*EMPT*/ { mout(MCHARACTERKONST);
- moutIval(DIRECT);
- mout(MINTEGERKONST);
- moutIval(0);
- mout(MNONE);
- mout(MBOOLEANKONST);
- moutIval(FALSE);}
- | ATDELAY EXPRESSION { mout(MNONE);}
+ | HOTHERWISE {}
+
+ BLOCK
+ ;
+ACTIVATOR : HACTIVATE
+ | HREACTIVATE
+ ;
+SCHEDULE : /*EMPT*/
+ | ATDELAY EXPRESSION {}
PRIOR
- | BEFOREAFTER { mout(MINTEGERKONST);
- moutIval(0);}
- EXPRESSION { mout(MBOOLEANKONST);
- moutIval(FALSE);}
- ;
-ATDELAY : HAT { mout(MCHARACTERKONST);
- moutIval(AT);}
- | HDELAY { mout(MCHARACTERKONST);
- moutIval(DELAYS);}
- ;
-BEFOREAFTER : HBEFORE { mout(MCHARACTERKONST);
- moutIval(BEFORE);}
- | HAFTER { mout(MCHARACTERKONST);
- moutIval(AFTER);}
- ;
-PRIOR : /*EMPT*/ { mout(MBOOLEANKONST);
- moutIval(FALSE);}
- | HPRIOR { mout(MBOOLEANKONST);
- moutIval(TRUE);}
+ | BEFOREAFTER {}
+ EXPRESSION
+ ;
+ATDELAY : HAT
+ | HDELAY
+ ;
+BEFOREAFTER : HBEFORE
+ | HAFTER
+ ;
+PRIOR : /*EMPT*/
+ | HPRIOR
;
/* GRAMATIKK FOR SETNINGER OG DEKLARASJONER */
MODULSTATEMENT : HWHILE
- EXPRESSION
- HDO { STOPOBSBLOCK(); mout(MWHILE);
- OBSBLOCK();}
- BLOCK { MBEEENDBLOCK(); mout(MENDWHILE);
- $$=STATEMENT;}
- | HIF
- EXPRESSION
- HTHEN { STOPOBSBLOCK(); mout(MIF);
- OBSBLOCK();}
- BLOCK { MBEEENDBLOCK();}
- MBEE_ELSE_PART { mout(MENDIF);
- $$=STATEMENT;}
+ EXPRESSION
+ HDO {}
+ BLOCK
+ | HIF
+ EXPRESSION
+ HTHEN {}
+ BLOCK {}
+ MBEE_ELSE_PART
| HFOR
- HIDENTIFIER
- HASSIGN { STOPOBSBLOCK(); mout(MIDENTIFIER);
- moutId($2);}
- FOR_LIST
- HDO { beginBlock(KFOR);
- if($3==HASSIGNVALUE) mout(MFOR);
- else mout(MFORR);
- OBSBLOCK(); mout(MFORDO);}
- BLOCK { MBEEENDBLOCK();
- endBlock(NULL,CCNO); mout(MENDFOR);
- $$=STATEMENT;}
+ HIDENTIFIER
+ HASSIGN {}
+ FOR_LIST
+ HDO {}
+ BLOCK
| GOTO
- EXPRESSION { mout(MGOTO);
- STOPOBSBLOCK(); $$=STATEMENT;}
+ EXPRESSION
| HINSPECT
- EXPRESSION { mout(MINSPECT);
- STOPOBSBLOCK();
- beginBlock(KINSP);}
- CONN_STATE_R_PT
- { endBlock(NULL,CCNO);}
- MBEE_OTWI_CLAUS { mout(MENDINSPECT);
- $$=STATEMENT;}
- | HINNER { STOPOBSBLOCK(); mout(MINNER);
- regInner(); $$=STATEMENT;}
- | HIDENTIFIER
- HLABELSEPARATOR
- { STOPOBSBLOCK();
- regDecl($1, TLABEL, KSIMPLE, categ); mout(MLABEL);
- moutId($1);
- mout(MENDLABEL);}
- DECLSTATEMENT { if($4<=DECLARATION)
- { yerror (27);
- $$=DECLARATION;}
- else $$=$4;}
- | EXPRESSION_SIMP
- HBEGIN
- { $<ident>$=$1; }
+ EXPRESSION {}
+ CONN_STATE_R_PT
+ {}
+ MBEE_OTWI_CLAUS
+ | HINNER
+ | HIDENTIFIER
+ HLABELSEPARATOR
+ {}
+ DECLSTATEMENT
+ | EXPRESSION_SIMP
+ HBEGIN
+ {}
IMPORT_SPEC_MODULE
- { mout(MPRBLOCK);
- prefquantident=$1;
- beginBlock(KPRBLK);}
- MBEE_DECLSTMS
- HEND { endBlock(NULL,CCNO); mout(MENDPRBLOCK);
- $$=STATEMENT;}
+ {}
+ MBEE_DECLSTMS
+ HEND
| EXPRESSION_SIMP HBEGIN error HSTATEMENTSEPARATOR
- MBEE_DECLSTMS HEND { $$=STATEMENT;
- endBlock(NULL,CCNO); mout(MENDPRBLOCK);}
+ MBEE_DECLSTMS HEND
| EXPRESSION_SIMP HBEGIN error HEND
- { $$=STATEMENT;
- endBlock(NULL,CCNO); mout(MENDPRBLOCK);}
-
- | EXPRESSION_SIMP
- { STOPOBSBLOCK(); $$=STATEMENT;
- mout(MENDASSIGN);}
+ | EXPRESSION_SIMP
| ACTIVATOR EXPRESSION SCHEDULE
- { $$=STATEMENT;
- mout(MENDSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENTSEP);
- mout(MARGUMENT);
- moutId(activateid);
- mout(MENDASSIGN);}
- | HBEGIN
- { STOPOBSBLOCK();
- OBSBLOCK();}
- MBEE_DECLSTMS
- HEND { MBEEENDBLOCK(); $$=STATEMENT;}
+ | HBEGIN
+ {}
+ MBEE_DECLSTMS
+ HEND
| MBEE_TYPE HPROCEDURE
- HIDENTIFIER
- { MBEENEWBLOCK(); mout(MPROCEDURE);
- regDecl($3, type, KPROC, categ);
- beginBlock(KPROC);}
- HEADING BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
- mout(MENDPROCEDURE);}
+ HIDENTIFIER
+ {}
+ HEADING BLOCK
| HIDENTIFIER
HCLASS
- NO_TYPE
- { $<ident>$=$1; }
+ NO_TYPE
+ {}
IMPORT_SPEC_MODULE
- HIDENTIFIER
- { prefquantident=$1;
- mout(MCLASS);
- regDecl($6, TNOTY, KCLASS, categ);
- beginBlock(KCLASS);}
- HEADING
- BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
- mout(MENDCLASS);}
- | HCLASS
- NO_TYPE
- HIDENTIFIER
- { prefquantident=0;
- MBEENEWBLOCK(); mout(MCLASS);
- regDecl($3, TNOTY, KCLASS, categ);
- beginBlock(KCLASS);}
- HEADING
- BLOCK { endBlock(NULL,CCNO); $$=DECLARATION;
- mout(MENDCLASS);}
- | EXT_DECLARATION { $$=EXTDECLARATION;}
- | /*EMPT*/{ STOPOBSBLOCK(); $$=EMPTYSTATEMENT;}
- ;
-IMPORT_SPEC_MODULE: { MBEENEWBLOCK();
- kind=KCLASS;
- if($<ident>0==simsetident &&
- findDecl(simsetident,cblock,FALSE)==NULL)
- lesinn_external_spec(simsetident,
- SIMSETATRFILE, kind);
- if($<ident>0==simulationident && findDecl(
- simulationident,cblock,FALSE)==NULL)
- lesinn_external_spec(simulationident,
- SIMULATIONATRFILE, kind);
- if(($<ident>0==fileident && findDecl(
- fileident,cblock,FALSE)==NULL) ||
- ($<ident>0==outfileident && findDecl(
- outfileident,cblock,FALSE)==NULL) ||
- ($<ident>0==infileident && findDecl(
- infileident,cblock,FALSE)==NULL) ||
- ($<ident>0==directfileident && findDecl(
- directfileident,cblock,FALSE)==NULL) ||
- ($<ident>0==printfileident && findDecl(
- printfileident,cblock,FALSE)==NULL) ||
- ($<ident>0==bytefileident && findDecl(
- bytefileident,cblock,FALSE)==NULL) ||
- ($<ident>0==inbytefileident && findDecl(
- inbytefileident,cblock,FALSE)==NULL) ||
- ($<ident>0==outbytefileident && findDecl(
- outbytefileident,cblock,FALSE)==NULL) ||
- ($<ident>0==directbytefileident && findDecl(
- directbytefileident,cblock,FALSE)==NULL))
- lesinn_external_spec(fileident,
- FILEATRFILE, kind);}
+ HIDENTIFIER
+ {}
+ HEADING
+ BLOCK
+ | HCLASS
+ NO_TYPE
+ HIDENTIFIER
+ {}
+ HEADING
+ BLOCK
+ | EXT_DECLARATION
+ | /*EMPT*/
+ ;
+IMPORT_SPEC_MODULE:
;
DECLSTATEMENT : MODULSTATEMENT
| TYPE
- HIDENTIFIER
+ HIDENTIFIER
MBEE_CONSTANT
- HPAREXPSEPARATOR
- { MBEENEWBLOCK();
- kind=KSIMPLE;
- regDecl($2, type, KSIMPLE, categ);
- categ=CLOCAL;}
- IDENTIFIER_LISTC { $$=DECLARATION;}
- | TYPE
- HIDENTIFIER
+ HPAREXPSEPARATOR
+ {}
+ IDENTIFIER_LISTC
+ | TYPE
+ HIDENTIFIER
MBEE_CONSTANT
- { MBEENEWBLOCK();
- regDecl($2, type, KSIMPLE, categ);
- categ=CLOCAL; $$=DECLARATION;}
- | MBEE_TYPE
- HARRAY { MBEENEWBLOCK();
- kind=KARRAY;}
- ARR_SEGMENT_LIST { $$=DECLARATION;}
- | HSWITCH
- HIDENTIFIER
- HASSIGN { MBEENEWBLOCK(); mout(MIDENTIFIER);
- moutId($2);
- regDecl($2, TLABEL, KARRAY, categ);}
- SWITCH_LIST { $$=DECLARATION;
- mout(MSWITCH);
- mout(MENDSWITCH);}
- ;
-BLOCK : DECLSTATEMENT { if($1<=DECLARATION)yerror (29);}
- | HBEGIN MBEE_DECLSTMS HEND
+ | MBEE_TYPE
+ HARRAY {}
+ ARR_SEGMENT_LIST
+ | HSWITCH
+ HIDENTIFIER
+ HASSIGN {}
+ SWITCH_LIST
+ ;
+BLOCK : DECLSTATEMENT
+ | HBEGIN MBEE_DECLSTMS HEND
| HBEGIN error HSTATEMENTSEPARATOR MBEE_DECLSTMS HEND
| HBEGIN error HEND
;
-MBEE_DECLSTMS : MBEE_DECLSTMSU { if($1<=DECLARATION)yerror (28);
- $$=$1;}
- ;
-MBEE_DECLSTMSU : DECLSTATEMENT { $$=$1;}
- | MBEE_DECLSTMSU
- HSTATEMENTSEPARATOR
- DECLSTATEMENT { if($1>=STATEMENT && $3<=DECLARATION)
- yerror (26);
- $$=$3;}
- ;
-MODULS : MODULSTATEMENT { if($1==DECLARATION)
- {separat_comp=TRUE;gettimestamp();}
- $$=$1;}
- | MODULS HSTATEMENTSEPARATOR MODULSTATEMENT
- { if($1>=STATEMENT && $3<=DECLARATION)
- yerror (26);else
- if($1>=STATEMENT
- && $3!=EMPTYSTATEMENT)yerror (25);
- if(separat_comp && $3==STATEMENT)
- yerror (25);
- if($3==DECLARATION && !separat_comp)
- {separat_comp=TRUE;gettimestamp();}
- $$=$3;}
+MBEE_DECLSTMS : MBEE_DECLSTMSU
+ ;
+MBEE_DECLSTMSU : DECLSTATEMENT
+ | MBEE_DECLSTMSU
+ HSTATEMENTSEPARATOR
+ DECLSTATEMENT
+ ;
+MODULS : MODULSTATEMENT
+ | MODULS HSTATEMENTSEPARATOR MODULSTATEMENT
;
/* GRAMATIKK FOR DEL AV DEKLARASJONER */
ARR_SEGMENT_LIST: ARR_SEGMENT
- | ARR_SEGMENT_LIST
- HPAREXPSEPARATOR
- ARR_SEGMENT
- ;
+ | ARR_SEGMENT_LIST
+ HPAREXPSEPARATOR
+ ARR_SEGMENT
+ ;
ARR_SEGMENT : ARRAY_SEGMENT
- HBEGPAR
- BAUND_PAIR_LIST HENDPAR { mout(MARRAY);
- mout(MENDARRAY);
- setArrayDim($3);}
- ;
-ARRAY_SEGMENT : ARRAY_SEGMENT_EL { mout(MENDSEP);
- mout(MARRAYSEP);}
-
- | ARRAY_SEGMENT_EL
- HPAREXPSEPARATOR
- ARRAY_SEGMENT { mout(MARRAYSEP);}
- ;
-ARRAY_SEGMENT_EL: HIDENTIFIER { mout(MIDENTIFIER);
- moutId($1);
- regDecl($1, type, kind, categ);
- if(lastArray==NULL)
- lastArray=cblock->lastparloc;}
- ;
-BAUND_PAIR_LIST : BAUND_PAIR { mout(MENDSEP);
- mout(MBOUNDSEP);
- $$=1;}
- | BAUND_PAIR
- HPAREXPSEPARATOR
- BAUND_PAIR_LIST { mout(MBOUNDSEP);
- $$=$3+1;}
- ;
+ HBEGPAR
+ BAUND_PAIR_LIST HENDPAR
+ ;
+ARRAY_SEGMENT : ARRAY_SEGMENT_EL {}
+
+ | ARRAY_SEGMENT_EL
+ HPAREXPSEPARATOR
+ ARRAY_SEGMENT
+ ;
+ARRAY_SEGMENT_EL: HIDENTIFIER
+ ;
+BAUND_PAIR_LIST : BAUND_PAIR
+ | BAUND_PAIR
+ HPAREXPSEPARATOR
+ BAUND_PAIR_LIST
+ ;
BAUND_PAIR : EXPRESSION
- HLABELSEPARATOR
- EXPRESSION { mout(MBOUNDPARSEP);}
- ;
-SWITCH_LIST : EXPRESSION { mout(MENDSEP);
- mout(MSWITCHSEP);}
- | EXPRESSION
- HPAREXPSEPARATOR
- SWITCH_LIST { mout(MSWITCHSEP);}
- ;
-HEADING : MBEE_FMAL_PAR_P HSTATEMENTSEPARATOR { kind=KNOKD;}
- MBEE_MODE_PART { categ=CSPEC;}
- MBEE_SPEC_PART { kind=KNOKD;}
- MBEE_PROT_PART { categ=CVIRT;}
- MBEE_VIRT_PART
- { categ=CLOCAL;}
- ;
+ HLABELSEPARATOR
+ EXPRESSION
+ ;
+SWITCH_LIST : EXPRESSION
+ | EXPRESSION
+ HPAREXPSEPARATOR
+ SWITCH_LIST
+ ;
+HEADING : MBEE_FMAL_PAR_P HSTATEMENTSEPARATOR {}
+ MBEE_MODE_PART {}
+ MBEE_SPEC_PART {}
+ MBEE_PROT_PART {}
+ MBEE_VIRT_PART
+ ;
MBEE_FMAL_PAR_P : /*EMPT*/
- | FMAL_PAR_PART
- ;
+ | FMAL_PAR_PART
+ ;
FMAL_PAR_PART : HBEGPAR NO_TYPE
- MBEE_LISTV HENDPAR
- ;
+ MBEE_LISTV HENDPAR
+ ;
MBEE_LISTV : /*EMPT*/
- | LISTV
- ;
-LISTV : HIDENTIFIER { regDecl($1, type, KNOKD, CDEFLT);}
- | FPP_CATEG HDOTDOTDOT { regDecl(varargsid, TVARARGS, KNOKD, categ);}
- | HIDENTIFIER { regDecl($1, type, KNOKD, CDEFLT);}
- HPAREXPSEPARATOR LISTV
- | FPP_SPEC
- | FPP_SPEC
- HPAREXPSEPARATOR LISTV
- ;
+ | LISTV
+ ;
+LISTV : HIDENTIFIER
+ | FPP_CATEG HDOTDOTDOT
+ | HIDENTIFIER {}
+ HPAREXPSEPARATOR LISTV
+ | FPP_SPEC
+ | FPP_SPEC
+ HPAREXPSEPARATOR LISTV
+ ;
FPP_HEADING : HBEGPAR NO_TYPE
- FPP_MBEE_LISTV HENDPAR
- ;
+ FPP_MBEE_LISTV HENDPAR
+ ;
FPP_MBEE_LISTV : /*EMPT*/
- | FPP_LISTV
- ;
-FPP_LISTV : FPP_CATEG HDOTDOTDOT { regDecl(varargsid, TVARARGS, KNOKD, categ);}
- | FPP_SPEC
- | FPP_SPEC
- HPAREXPSEPARATOR LISTV
- ;
+ | FPP_LISTV
+ ;
+FPP_LISTV : FPP_CATEG HDOTDOTDOT
+ | FPP_SPEC
+ | FPP_SPEC
+ HPAREXPSEPARATOR LISTV
+ ;
FPP_SPEC : FPP_CATEG SPECIFIER HIDENTIFIER
- { regDecl($3, type, kind, categ);}
| FPP_CATEG FPP_PROC_DECL_IN_SPEC
;
FPP_CATEG : HNAME HLABELSEPARATOR
- { categ=CNAME;}
- | HVALUE HLABELSEPARATOR
- { categ=CVALUE;}
- | HVAR HLABELSEPARATOR
- { categ=CVAR;}
- | /*EMPT*/ { categ=CDEFLT;}
- ;
+ | HVALUE HLABELSEPARATOR
+ | HVAR HLABELSEPARATOR
+ | /*EMPT*/
+ ;
FPP_PROC_DECL_IN_SPEC: MBEE_TYPE HPROCEDURE
- HIDENTIFIER
- { $<ival>$=categ;
- regDecl($3, type, KPROC, categ);
- beginBlock(KPROC);}
- FPP_HEADING
- { categ=$<ival>4; /* M} settes tilbake*/}
- { endBlock(NULL,CCNO);}
- ;
-IDENTIFIER_LISTV: HIDENTIFIER { regDecl($1, type, kind, categ);}
- | HDOTDOTDOT { regDecl(varargsid, TVARARGS, kind, categ);}
- | HIDENTIFIER { regDecl($1, type, kind, categ);}
- HPAREXPSEPARATOR IDENTIFIER_LISTV
- ;
+ HIDENTIFIER
+ {}
+ FPP_HEADING {} { /* Yes, two "final" actions. */ }
+ ;
+IDENTIFIER_LISTV: HIDENTIFIER
+ | HDOTDOTDOT
+ | HIDENTIFIER {}
+ HPAREXPSEPARATOR IDENTIFIER_LISTV
+ ;
MBEE_MODE_PART : /*EMPT*/
- | MODE_PART
- ;
+ | MODE_PART
+ ;
MODE_PART : NAME_PART
- | VALUE_PART
- | VAR_PART
- | NAME_PART VALUE_PART
- | VALUE_PART NAME_PART
- | NAME_PART VAR_PART
- | VAR_PART NAME_PART
- | VALUE_PART VAR_PART
- | VAR_PART VALUE_PART
- | VAR_PART NAME_PART VALUE_PART
- | NAME_PART VAR_PART VALUE_PART
- | NAME_PART VALUE_PART VAR_PART
- | VAR_PART VALUE_PART NAME_PART
- | VALUE_PART VAR_PART NAME_PART
- | VALUE_PART NAME_PART VAR_PART
- ;
-NAME_PART : HNAME { categ=CNAME;}
- IDENTIFIER_LISTV
- HSTATEMENTSEPARATOR
- ;
-VAR_PART : HVAR { categ=CVAR;}
- IDENTIFIER_LISTV
- HSTATEMENTSEPARATOR
- ;
-VALUE_PART : HVALUE { categ=CVALUE;}
- IDENTIFIER_LISTV HSTATEMENTSEPARATOR
- ;
+ | VALUE_PART
+ | VAR_PART
+ | NAME_PART VALUE_PART
+ | VALUE_PART NAME_PART
+ | NAME_PART VAR_PART
+ | VAR_PART NAME_PART
+ | VALUE_PART VAR_PART
+ | VAR_PART VALUE_PART
+ | VAR_PART NAME_PART VALUE_PART
+ | NAME_PART VAR_PART VALUE_PART
+ | NAME_PART VALUE_PART VAR_PART
+ | VAR_PART VALUE_PART NAME_PART
+ | VALUE_PART VAR_PART NAME_PART
+ | VALUE_PART NAME_PART VAR_PART
+ ;
+NAME_PART : HNAME {}
+ IDENTIFIER_LISTV
+ HSTATEMENTSEPARATOR
+ ;
+VAR_PART : HVAR {}
+ IDENTIFIER_LISTV
+ HSTATEMENTSEPARATOR
+ ;
+VALUE_PART : HVALUE {}
+ IDENTIFIER_LISTV HSTATEMENTSEPARATOR
+ ;
MBEE_SPEC_PART : /*EMPT*/
- | SPEC_PART
- ;
+ | SPEC_PART
+ ;
SPEC_PART : ONE_SPEC
- | SPEC_PART ONE_SPEC
- ;
+ | SPEC_PART ONE_SPEC
+ ;
ONE_SPEC : SPECIFIER IDENTIFIER_LIST HSTATEMENTSEPARATOR
| NO_TYPE HPROCEDURE HIDENTIFIER HOBJRELOPERATOR
- { if($4!=HIS) yerror (8);}
+ {}
PROC_DECL_IN_SPEC HSTATEMENTSEPARATOR
- | FPP_PROC_DECL_IN_SPEC HSTATEMENTSEPARATOR
- | MBEE_TYPE HPROCEDURE HIDENTIFIER HSTATEMENTSEPARATOR
- { yerror (45);}
- | MBEE_TYPE HPROCEDURE HIDENTIFIER HPAREXPSEPARATOR
- IDENTIFIER_LIST HSTATEMENTSEPARATOR
- { yerror (45);}
- ;
-SPECIFIER : TYPE { kind=KSIMPLE;}
- | MBEE_TYPE
- HARRAY { kind=KARRAY;}
- | HLABEL { type=TLABEL;
- kind=KSIMPLE;}
- | HSWITCH { type=TLABEL;
- kind=KARRAY;}
- ;
+ | FPP_PROC_DECL_IN_SPEC HSTATEMENTSEPARATOR
+ | MBEE_TYPE HPROCEDURE HIDENTIFIER HSTATEMENTSEPARATOR
+ | MBEE_TYPE HPROCEDURE HIDENTIFIER HPAREXPSEPARATOR
+ IDENTIFIER_LIST HSTATEMENTSEPARATOR
+ ;
+SPECIFIER : TYPE
+ | MBEE_TYPE
+ HARRAY
+ | HLABEL
+ | HSWITCH
+ ;
PROC_DECL_IN_SPEC: MBEE_TYPE HPROCEDURE
- HIDENTIFIER
- { $<ival>$=categ;
- regDecl($3, type, KPROC, categ);
- beginBlock(KPROC);}
- HEADING
- { categ=$<ival>4; /* M} settes tilbake*/}
+ HIDENTIFIER
+ {}
+ HEADING
+ {}
MBEE_BEGIN_END
- { endBlock(NULL,CCNO);}
;
MBEE_BEGIN_END : /* EMPTY */
| HBEGIN HEND
;
MBEE_PROT_PART : /*EMPT*/
- | PROTECTION_PART
- ;
+ | PROTECTION_PART
+ ;
PROTECTION_PART : PROT_SPECIFIER IDENTIFIER_LIST
- HSTATEMENTSEPARATOR
- | PROTECTION_PART PROT_SPECIFIER
- IDENTIFIER_LIST HSTATEMENTSEPARATOR
- ;
-PROT_SPECIFIER : HHIDDEN { categ=CHIDEN;}
- | HPROTECTED { categ=CPROT;}
- | HHIDDEN
- HPROTECTED { categ=CHIPRO;}
- | HPROTECTED
- HHIDDEN { categ=CHIPRO;}
- ;
+ HSTATEMENTSEPARATOR
+ | PROTECTION_PART PROT_SPECIFIER
+ IDENTIFIER_LIST HSTATEMENTSEPARATOR
+ ;
+PROT_SPECIFIER : HHIDDEN
+ | HPROTECTED
+ | HHIDDEN
+ HPROTECTED
+ | HPROTECTED
+ HHIDDEN
+ ;
MBEE_VIRT_PART : /*EMPT*/
- | VIRTUAL_PART
- ;
+ | VIRTUAL_PART
+ ;
VIRTUAL_PART : HVIRTUAL
- HLABELSEPARATOR
- MBEE_SPEC_PART
- ;
-IDENTIFIER_LIST : HIDENTIFIER { regDecl($1, type, kind, categ);}
- | IDENTIFIER_LIST HPAREXPSEPARATOR
- HIDENTIFIER { regDecl($3, type, kind, categ);}
- ;
+ HLABELSEPARATOR
+ MBEE_SPEC_PART
+ ;
+IDENTIFIER_LIST : HIDENTIFIER
+ | IDENTIFIER_LIST HPAREXPSEPARATOR
+ HIDENTIFIER
+ ;
IDENTIFIER_LISTC: HIDENTIFIER
- MBEE_CONSTANT { regDecl($1, type, kind, categ);
- categ=CLOCAL;}
- | IDENTIFIER_LISTC HPAREXPSEPARATOR
- HIDENTIFIER
- MBEE_CONSTANT { regDecl($3, type, kind, categ);
- categ=CLOCAL;}
- ;
+ MBEE_CONSTANT
+ | IDENTIFIER_LISTC HPAREXPSEPARATOR
+ HIDENTIFIER
+ MBEE_CONSTANT
+ ;
MBEE_CONSTANT : /* EMPTY */
| HVALRELOPERATOR
- { MBEENEWBLOCK();
- if($1!=HEQ) yerror (8);
- if(type==TREF)yerror (7);
- categ=CCONSTU;
- mout(MIDENTIFIER);
- moutId($<token>0);}
- EXPRESSION { mout(MASSIGN);
- mout(MCONST);}
+ {}
+ EXPRESSION
;
/* GRAMATIKK FOR UTTRYKK */
-EXPRESSION : EXPRESSION_SIMP {}
- | HIF
- EXPRESSION
- HTHEN
- EXPRESSION
- HELSE
- EXPRESSION { mout(MELSEE);
- mout(MIFE);}
- ;
+EXPRESSION : EXPRESSION_SIMP
+ | HIF
+ EXPRESSION
+ HTHEN
+ EXPRESSION
+ HELSE
+ EXPRESSION
+ ;
EXPRESSION_SIMP : EXPRESSION_SIMP
HASSIGN
- EXPRESSION { if($2==HASSIGNREF)mout(MASSIGNR);
- else mout(MASSIGN);$$=NULL;}
+ EXPRESSION
|
EXPRESSION_SIMP
- HCONC
- EXPRESSION_SIMP { mout(MCONC);$$=NULL;}
- | EXPRESSION_SIMP HOR
- HELSE
- EXPRESSION_SIMP
- %prec HORELSE { mout(MORELSEE);$$=NULL;}
- | EXPRESSION_SIMP HAND
- HTHEN
- EXPRESSION_SIMP
- %prec HANDTHEN { mout(MANDTHENE);$$=NULL;}
- | EXPRESSION_SIMP
- HEQV EXPRESSION_SIMP { mout(MEQV);$$=NULL;}
- | EXPRESSION_SIMP
- HIMP EXPRESSION_SIMP { mout(MIMP);$$=NULL;}
- | EXPRESSION_SIMP
- HOR EXPRESSION_SIMP { mout(MOR);$$=NULL;}
- | EXPRESSION_SIMP
- HAND EXPRESSION_SIMP { mout(MAND);$$=NULL;}
- | HNOT EXPRESSION_SIMP { mout(MNOT);$$=NULL;}
- | EXPRESSION_SIMP
- HVALRELOPERATOR
- EXPRESSION_SIMP
- { switch($2)
- { case HEQ: mout(MEQ);break;
- case HNE: mout(MNE);break;
- case HLT: mout(MLT);break;
- case HLE: mout(MLE);break;
- case HGT: mout(MGT);break;
- case HGE: mout(MGE);break;
- }$$=NULL;}
- | EXPRESSION_SIMP
- HREFRELOPERATOR
- EXPRESSION_SIMP
- { if($2==HNER) mout(MNER);
- else mout(MEQR);$$=NULL;}
- | EXPRESSION_SIMP
- HOBJRELOPERATOR
- EXPRESSION_SIMP
- { if($2==HIS) mout(MIS);
- else mout(MINS);$$=NULL;}
- | HTERMOPERATOR
- EXPRESSION_SIMP %prec UNEAR
- { if($1==HADD) mout(MUADD);
- else mout(MUSUB);$$=NULL;}
- | EXPRESSION_SIMP
- HTERMOPERATOR
- EXPRESSION_SIMP
- { if($2==HADD) mout(MADD);
- else mout(MSUB);$$=NULL;}
- | EXPRESSION_SIMP
- HFACTOROPERATOR
- EXPRESSION_SIMP
- { if($2==HMUL) mout(MMUL); else
- if($2==HDIV) mout(MDIV);
- else mout(MINTDIV);$$=NULL;}
- | EXPRESSION_SIMP
- HPRIMARYOPERATOR
- EXPRESSION_SIMP { mout(MPRIMARY);$$=NULL;}
- | HBEGPAR
- EXPRESSION HENDPAR { mout(MNOOP);$$=NULL;}
- | HTEXTKONST { mout(MTEXTKONST);
- moutTval($1);$$=NULL;}
- | HCHARACTERKONST { mout(MCHARACTERKONST);
- moutIval($1);$$=NULL;}
- | HREALKONST { mout(MREALKONST);
- moutRval($1);$$=NULL;}
- | HINTEGERKONST { mout(MINTEGERKONST);
- moutIval($1);$$=NULL;}
- | HBOOLEANKONST { mout(MBOOLEANKONST);
- moutIval($1);$$=NULL;}
- | HNONE { mout(MNONE);$$=NULL;}
- | HIDENTIFIER
- { $<ident>$=$1;}
- MBEE_ARG_R_PT
- | HTHIS HIDENTIFIER { mout(MTHIS);
- moutId($2);$$=NULL;}
- | HNEW
- HIDENTIFIER
- ARG_R_PT { mout(MNEWARG);
- moutId($2);$$=NULL;}
- | EXPRESSION_SIMP
- HDOT
- EXPRESSION_SIMP { mout(MDOT);$$=NULL;}
- | EXPRESSION_SIMP
- HQUA HIDENTIFIER { mout(MQUA);
- moutId($3);$$=NULL;}
- ;
-ARG_R_PT : /*EMPTY*/ { mout(MENDSEP);}
- | HBEGPAR
- ARGUMENT_LIST HENDPAR
- ;
-MBEE_ARG_R_PT : /*EMPTY*/ { mout(MIDENTIFIER);
- moutId($<ident>0);
- $$=$<ident>0;}
- | HBEGPAR
- ARGUMENT_LIST HENDPAR { mout(MARGUMENT);
- moutId($<ident>0);}
- ;
-ARGUMENT_LIST : EXPRESSION { mout(MENDSEP);
- mout(MARGUMENTSEP);}
- | EXPRESSION
- HPAREXPSEPARATOR
- ARGUMENT_LIST { mout(MARGUMENTSEP);}
- ;
+ HCONC
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP HOR
+ HELSE
+ EXPRESSION_SIMP
+ %prec HORELSE
+ | EXPRESSION_SIMP HAND
+ HTHEN
+ EXPRESSION_SIMP
+ %prec HANDTHEN
+ | EXPRESSION_SIMP
+ HEQV EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HIMP EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HOR EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HAND EXPRESSION_SIMP
+ | HNOT EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HVALRELOPERATOR
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HREFRELOPERATOR
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HOBJRELOPERATOR
+ EXPRESSION_SIMP
+ | HTERMOPERATOR
+ EXPRESSION_SIMP %prec UNEAR
+ | EXPRESSION_SIMP
+ HTERMOPERATOR
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HFACTOROPERATOR
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HPRIMARYOPERATOR
+ EXPRESSION_SIMP
+ | HBEGPAR
+ EXPRESSION HENDPAR
+ | HTEXTKONST
+ | HCHARACTERKONST
+ | HREALKONST
+ | HINTEGERKONST
+ | HBOOLEANKONST
+ | HNONE
+ | HIDENTIFIER
+ {}
+ MBEE_ARG_R_PT
+ | HTHIS HIDENTIFIER
+ | HNEW
+ HIDENTIFIER
+ ARG_R_PT
+ | EXPRESSION_SIMP
+ HDOT
+ EXPRESSION_SIMP
+ | EXPRESSION_SIMP
+ HQUA HIDENTIFIER
+ ;
+ARG_R_PT : /*EMPTY*/
+ | HBEGPAR
+ ARGUMENT_LIST HENDPAR
+ ;
+MBEE_ARG_R_PT : /*EMPTY*/
+ | HBEGPAR
+ ARGUMENT_LIST HENDPAR
+ ;
+ARGUMENT_LIST : EXPRESSION
+ | EXPRESSION
+ HPAREXPSEPARATOR
+ ARGUMENT_LIST
+ ;
%%
]])
# don't actually check the output. But SEGV is watching us, and
# so might do dmalloc.
AT_CHECK([[bison --verbose --defines input.y]], 0, [],
-[[input.y contains 78 shift/reduce conflicts and 10 reduce/reduce conflicts.
+[[input.y: conflicts: 78 shift/reduce, 10 reduce/reduce
+]])
+
+AT_CHECK([[grep '^State.*conflicts:' input.output]], 0,
+[[State 64 conflicts: 14 shift/reduce
+State 164 conflicts: 1 shift/reduce
+State 201 conflicts: 33 shift/reduce, 4 reduce/reduce
+State 206 conflicts: 1 shift/reduce
+State 240 conflicts: 1 shift/reduce
+State 335 conflicts: 9 shift/reduce, 2 reduce/reduce
+State 356 conflicts: 1 shift/reduce
+State 360 conflicts: 9 shift/reduce, 2 reduce/reduce
+State 427 conflicts: 9 shift/reduce, 2 reduce/reduce
]])
-AT_CHECK([[grep '^State.*contains' input.output]], 0,
-[[State 64 contains 14 shift/reduce conflicts.
-State 164 contains 1 shift/reduce conflict.
-State 201 contains 33 shift/reduce conflicts and 4 reduce/reduce conflicts.
-State 206 contains 1 shift/reduce conflict.
-State 240 contains 1 shift/reduce conflict.
-State 335 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
-State 356 contains 1 shift/reduce conflict.
-State 360 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
-State 427 contains 9 shift/reduce conflicts and 2 reduce/reduce conflicts.
+AT_CLEANUP
+
+## ----------------- ##
+## GNU pic Grammar. ##
+## ----------------- ##
+
+AT_SETUP([GNU pic Grammar])
+
+# GNU pic, part of groff.
+
+# Bison once reported shift/reduce conflicts that it shouldn't have.
+
+AT_DATA([[input.y]],
+[[%union {}
+
+%token LABEL
+%token VARIABLE
+%token NUMBER
+%token TEXT
+%token COMMAND_LINE
+%token DELIMITED
+%token ORDINAL
+%token TH
+%token LEFT_ARROW_HEAD
+%token RIGHT_ARROW_HEAD
+%token DOUBLE_ARROW_HEAD
+%token LAST
+%token UP
+%token DOWN
+%token LEFT
+%token RIGHT
+%token BOX
+%token CIRCLE
+%token ELLIPSE
+%token ARC
+%token LINE
+%token ARROW
+%token MOVE
+%token SPLINE
+%token HEIGHT
+%token RADIUS
+%token WIDTH
+%token DIAMETER
+%token FROM
+%token TO
+%token AT
+%token WITH
+%token BY
+%token THEN
+%token SOLID
+%token DOTTED
+%token DASHED
+%token CHOP
+%token SAME
+%token INVISIBLE
+%token LJUST
+%token RJUST
+%token ABOVE
+%token BELOW
+%token OF
+%token THE
+%token WAY
+%token BETWEEN
+%token AND
+%token HERE
+%token DOT_N
+%token DOT_E
+%token DOT_W
+%token DOT_S
+%token DOT_NE
+%token DOT_SE
+%token DOT_NW
+%token DOT_SW
+%token DOT_C
+%token DOT_START
+%token DOT_END
+%token DOT_X
+%token DOT_Y
+%token DOT_HT
+%token DOT_WID
+%token DOT_RAD
+%token SIN
+%token COS
+%token ATAN2
+%token LOG
+%token EXP
+%token SQRT
+%token K_MAX
+%token K_MIN
+%token INT
+%token RAND
+%token SRAND
+%token COPY
+%token THRU
+%token TOP
+%token BOTTOM
+%token UPPER
+%token LOWER
+%token SH
+%token PRINT
+%token CW
+%token CCW
+%token FOR
+%token DO
+%token IF
+%token ELSE
+%token ANDAND
+%token OROR
+%token NOTEQUAL
+%token EQUALEQUAL
+%token LESSEQUAL
+%token GREATEREQUAL
+%token LEFT_CORNER
+%token RIGHT_CORNER
+%token NORTH
+%token SOUTH
+%token EAST
+%token WEST
+%token CENTER
+%token END
+%token START
+%token RESET
+%token UNTIL
+%token PLOT
+%token THICKNESS
+%token FILL
+%token COLORED
+%token OUTLINED
+%token SHADED
+%token ALIGNED
+%token SPRINTF
+%token COMMAND
+
+%left '.'
+
+/* this ensures that plot 17 "%g" parses as (plot 17 "%g") */
+%left PLOT
+%left TEXT SPRINTF
+
+/* give text adjustments higher precedence than TEXT, so that
+box "foo" above ljust == box ("foo" above ljust)
+*/
+
+%left LJUST RJUST ABOVE BELOW
+
+%left LEFT RIGHT
+/* Give attributes that take an optional expression a higher
+precedence than left and right, so that eg `line chop left'
+parses properly. */
+%left CHOP SOLID DASHED DOTTED UP DOWN FILL COLORED OUTLINED
+%left LABEL
+
+%left VARIABLE NUMBER '(' SIN COS ATAN2 LOG EXP SQRT K_MAX K_MIN INT RAND SRAND LAST
+%left ORDINAL HERE '`'
+
+%left BOX CIRCLE ELLIPSE ARC LINE ARROW SPLINE '[' /* ] */
+
+/* these need to be lower than '-' */
+%left HEIGHT RADIUS WIDTH DIAMETER FROM TO AT THICKNESS
+
+/* these must have higher precedence than CHOP so that `label %prec CHOP'
+works */
+%left DOT_N DOT_E DOT_W DOT_S DOT_NE DOT_SE DOT_NW DOT_SW DOT_C
+%left DOT_START DOT_END TOP BOTTOM LEFT_CORNER RIGHT_CORNER
+%left UPPER LOWER NORTH SOUTH EAST WEST CENTER START END
+
+%left ','
+%left OROR
+%left ANDAND
+%left EQUALEQUAL NOTEQUAL
+%left '<' '>' LESSEQUAL GREATEREQUAL
+
+%left BETWEEN OF
+%left AND
+
+%left '+' '-'
+%left '*' '/' '%'
+%right '!'
+%right '^'
+
+%%
+
+top:
+ optional_separator
+ | element_list
+ ;
+
+element_list:
+ optional_separator middle_element_list optional_separator
+ ;
+
+middle_element_list:
+ element
+ | middle_element_list separator element
+ ;
+
+optional_separator:
+ /* empty */
+ | separator
+ ;
+
+separator:
+ ';'
+ | separator ';'
+ ;
+
+placeless_element:
+ VARIABLE '=' any_expr
+ | VARIABLE ':' '=' any_expr
+ | UP
+ | DOWN
+ | LEFT
+ | RIGHT
+ | COMMAND_LINE
+ | COMMAND print_args
+ | PRINT print_args
+ | SH
+ {}
+ DELIMITED
+ | COPY TEXT
+ | COPY TEXT THRU
+ {}
+ DELIMITED
+ {}
+ until
+ | COPY THRU
+ {}
+ DELIMITED
+ {}
+ until
+ | FOR VARIABLE '=' expr TO expr optional_by DO
+ {}
+ DELIMITED
+ | simple_if
+ | simple_if ELSE
+ {}
+ DELIMITED
+ | reset_variables
+ | RESET
+ ;
+
+reset_variables:
+ RESET VARIABLE
+ | reset_variables VARIABLE
+ | reset_variables ',' VARIABLE
+ ;
+
+print_args:
+ print_arg
+ | print_args print_arg
+ ;
+
+print_arg:
+ expr %prec ','
+ | text
+ | position %prec ','
+ ;
+
+simple_if:
+ IF any_expr THEN
+ {}
+ DELIMITED
+ ;
+
+until:
+ /* empty */
+ | UNTIL TEXT
+ ;
+
+any_expr:
+ expr
+ | text_expr
+ ;
+
+text_expr:
+ text EQUALEQUAL text
+ | text NOTEQUAL text
+ | text_expr ANDAND text_expr
+ | text_expr ANDAND expr
+ | expr ANDAND text_expr
+ | text_expr OROR text_expr
+ | text_expr OROR expr
+ | expr OROR text_expr
+ | '!' text_expr
+ ;
+
+optional_by:
+ /* empty */
+ | BY expr
+ | BY '*' expr
+ ;
+
+element:
+ object_spec
+ | LABEL ':' optional_separator element
+ | LABEL ':' optional_separator position_not_place
+ | LABEL ':' optional_separator place
+ | '{}'
+ {}
+ optional_element
+ | placeless_element
+ ;
+
+optional_element:
+ /* empty */
+ | element
+ ;
+
+object_spec:
+ BOX
+ | CIRCLE
+ | ELLIPSE
+ | ARC
+ | LINE
+ | ARROW
+ | MOVE
+ | SPLINE
+ | text %prec TEXT
+ | PLOT expr
+ | PLOT expr text
+ | '['
+ {}
+ element_list ']'
+ | object_spec HEIGHT expr
+ | object_spec RADIUS expr
+ | object_spec WIDTH expr
+ | object_spec DIAMETER expr
+ | object_spec expr %prec HEIGHT
+ | object_spec UP
+ | object_spec UP expr
+ | object_spec DOWN
+ | object_spec DOWN expr
+ | object_spec RIGHT
+ | object_spec RIGHT expr
+ | object_spec LEFT
+ | object_spec LEFT expr
+ | object_spec FROM position
+ | object_spec TO position
+ | object_spec AT position
+ | object_spec WITH path
+ | object_spec WITH position %prec ','
+ | object_spec BY expr_pair
+ | object_spec THEN
+ | object_spec SOLID
+ | object_spec DOTTED
+ | object_spec DOTTED expr
+ | object_spec DASHED
+ | object_spec DASHED expr
+ | object_spec FILL
+ | object_spec FILL expr
+ | object_spec SHADED text
+ | object_spec COLORED text
+ | object_spec OUTLINED text
+ | object_spec CHOP
+ | object_spec CHOP expr
+ | object_spec SAME
+ | object_spec INVISIBLE
+ | object_spec LEFT_ARROW_HEAD
+ | object_spec RIGHT_ARROW_HEAD
+ | object_spec DOUBLE_ARROW_HEAD
+ | object_spec CW
+ | object_spec CCW
+ | object_spec text %prec TEXT
+ | object_spec LJUST
+ | object_spec RJUST
+ | object_spec ABOVE
+ | object_spec BELOW
+ | object_spec THICKNESS expr
+ | object_spec ALIGNED
+ ;
+
+text:
+ TEXT
+ | SPRINTF '(' TEXT sprintf_args ')'
+ ;
+
+sprintf_args:
+ /* empty */
+ | sprintf_args ',' expr
+ ;
+
+position:
+ position_not_place
+ | place
+ ;
+
+position_not_place:
+ expr_pair
+ | position '+' expr_pair
+ | position '-' expr_pair
+ | '(' position ',' position ')'
+ | expr between position AND position
+ | expr '<' position ',' position '>'
+ ;
+
+between:
+ BETWEEN
+ | OF THE WAY BETWEEN
+ ;
+
+expr_pair:
+ expr ',' expr
+ | '(' expr_pair ')'
+ ;
+
+place:
+ /* line at A left == line (at A) left */
+ label %prec CHOP
+ | label corner
+ | corner label
+ | corner OF label
+ | HERE
+ ;
+
+label:
+ LABEL
+ | nth_primitive
+ | label '.' LABEL
+ ;
+
+ordinal:
+ ORDINAL
+ | '`' any_expr TH
+ ;
+
+optional_ordinal_last:
+ LAST
+ | ordinal LAST
+ ;
+
+nth_primitive:
+ ordinal object_type
+ | optional_ordinal_last object_type
+ ;
+
+object_type:
+ BOX
+ | CIRCLE
+ | ELLIPSE
+ | ARC
+ | LINE
+ | ARROW
+ | SPLINE
+ | '[' ']'
+ | TEXT
+ ;
+
+label_path:
+ '.' LABEL
+ | label_path '.' LABEL
+ ;
+
+relative_path:
+ corner %prec CHOP
+ /* give this a lower precedence than LEFT and RIGHT so that
+ [A: box] with .A left == [A: box] with (.A left) */
+ | label_path %prec TEXT
+ | label_path corner
+ ;
+
+path:
+ relative_path
+ | '(' relative_path ',' relative_path ')'
+ {}
+ /* The rest of these rules are a compatibility sop. */
+ | ORDINAL LAST object_type relative_path
+ | LAST object_type relative_path
+ | ORDINAL object_type relative_path
+ | LABEL relative_path
+ ;
+
+corner:
+ DOT_N
+ | DOT_E
+ | DOT_W
+ | DOT_S
+ | DOT_NE
+ | DOT_SE
+ | DOT_NW
+ | DOT_SW
+ | DOT_C
+ | DOT_START
+ | DOT_END
+ | TOP
+ | BOTTOM
+ | LEFT
+ | RIGHT
+ | UPPER LEFT
+ | LOWER LEFT
+ | UPPER RIGHT
+ | LOWER RIGHT
+ | LEFT_CORNER
+ | RIGHT_CORNER
+ | UPPER LEFT_CORNER
+ | LOWER LEFT_CORNER
+ | UPPER RIGHT_CORNER
+ | LOWER RIGHT_CORNER
+ | NORTH
+ | SOUTH
+ | EAST
+ | WEST
+ | CENTER
+ | START
+ | END
+ ;
+
+expr:
+ VARIABLE
+ | NUMBER
+ | place DOT_X
+ | place DOT_Y
+ | place DOT_HT
+ | place DOT_WID
+ | place DOT_RAD
+ | expr '+' expr
+ | expr '-' expr
+ | expr '*' expr
+ | expr '/' expr
+ | expr '%' expr
+ | expr '^' expr
+ | '-' expr %prec '!'
+ | '(' any_expr ')'
+ | SIN '(' any_expr ')'
+ | COS '(' any_expr ')'
+ | ATAN2 '(' any_expr ',' any_expr ')'
+ | LOG '(' any_expr ')'
+ | EXP '(' any_expr ')'
+ | SQRT '(' any_expr ')'
+ | K_MAX '(' any_expr ',' any_expr ')'
+ | K_MIN '(' any_expr ',' any_expr ')'
+ | INT '(' any_expr ')'
+ | RAND '(' any_expr ')'
+ | RAND '(' ')'
+ | SRAND '(' any_expr ')'
+ | expr '<' expr
+ | expr LESSEQUAL expr
+ | expr '>' expr
+ | expr GREATEREQUAL expr
+ | expr EQUALEQUAL expr
+ | expr NOTEQUAL expr
+ | expr ANDAND expr
+ | expr OROR expr
+ | '!' expr
+ ;
+]])
+
+# Pass plenty of options, to exercise plenty of code, even if we
+# don't actually check the output. But SEGV is watching us, and
+# so might do dmalloc.
+AT_CHECK([[bison --verbose --defines input.y]], 0, [],
+[[input.y:453.11-48: warning: rule useless in parser due to conflicts: path: ORDINAL LAST object_type relative_path
]])
AT_CLEANUP
projects / bison.git / blobdiff