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Diffstat (limited to 'src/cmd/cc/cc.y')
| -rw-r--r-- | src/cmd/cc/cc.y | 1220 |
1 files changed, 0 insertions, 1220 deletions
diff --git a/src/cmd/cc/cc.y b/src/cmd/cc/cc.y deleted file mode 100644 index 8d7cb1472..000000000 --- a/src/cmd/cc/cc.y +++ /dev/null @@ -1,1220 +0,0 @@ -// Inferno utils/cc/cc.y -// http://code.google.com/p/inferno-os/source/browse/utils/cc/cc.y -// -// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. -// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) -// Portions Copyright © 1997-1999 Vita Nuova Limited -// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com) -// Portions Copyright © 2004,2006 Bruce Ellis -// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) -// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others -// Portions Copyright © 2009 The Go Authors. All rights reserved. -// -// Permission is hereby granted, free of charge, to any person obtaining a copy -// of this software and associated documentation files (the "Software"), to deal -// in the Software without restriction, including without limitation the rights -// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -// copies of the Software, and to permit persons to whom the Software is -// furnished to do so, subject to the following conditions: -// -// The above copyright notice and this permission notice shall be included in -// all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -// THE SOFTWARE. - -%{ -#include <u.h> -#include <stdio.h> /* if we don't, bison will, and cc.h re-#defines getc */ -#include "cc.h" -%} -%union { - Node* node; - Sym* sym; - Type* type; - struct - { - Type* t; - uchar c; - } tycl; - struct - { - Type* t1; - Type* t2; - Type* t3; - uchar c; - } tyty; - struct - { - char* s; - int32 l; - } sval; - int32 lval; - double dval; - vlong vval; -} -%type <sym> ltag -%type <lval> gctname gcname cname gname tname -%type <lval> gctnlist gcnlist zgnlist -%type <type> tlist sbody complex -%type <tycl> types -%type <node> zarglist arglist zcexpr -%type <node> name block stmnt cexpr expr xuexpr pexpr -%type <node> zelist elist adecl slist uexpr string lstring -%type <node> xdecor xdecor2 labels label ulstmnt -%type <node> adlist edecor tag qual qlist -%type <node> abdecor abdecor1 abdecor2 abdecor3 -%type <node> zexpr lexpr init ilist forexpr - -%left ';' -%left ',' -%right '=' LPE LME LMLE LDVE LMDE LRSHE LLSHE LANDE LXORE LORE -%right '?' ':' -%left LOROR -%left LANDAND -%left '|' -%left '^' -%left '&' -%left LEQ LNE -%left '<' '>' LLE LGE -%left LLSH LRSH -%left '+' '-' -%left '*' '/' '%' -%right LMM LPP LMG '.' '[' '(' - -%token <sym> LNAME LTYPE -%token <dval> LFCONST LDCONST -%token <vval> LCONST LLCONST LUCONST LULCONST LVLCONST LUVLCONST -%token <sval> LSTRING LLSTRING -%token LAUTO LBREAK LCASE LCHAR LCONTINUE LDEFAULT LDO -%token LDOUBLE LELSE LEXTERN LFLOAT LFOR LGOTO -%token LIF LINT LLONG LPREFETCH LREGISTER LRETURN LSHORT LSIZEOF LUSED -%token LSTATIC LSTRUCT LSWITCH LTYPEDEF LTYPESTR LUNION LUNSIGNED -%token LWHILE LVOID LENUM LSIGNED LCONSTNT LVOLATILE LSET LSIGNOF -%token LRESTRICT LINLINE -%% -prog: -| prog xdecl - -/* - * external declarator - */ -xdecl: - zctlist ';' - { - dodecl(xdecl, lastclass, lasttype, Z); - } -| zctlist xdlist ';' -| zctlist xdecor - { - lastdcl = T; - firstarg = S; - dodecl(xdecl, lastclass, lasttype, $2); - if(lastdcl == T || lastdcl->etype != TFUNC) { - diag($2, "not a function"); - lastdcl = types[TFUNC]; - } - thisfn = lastdcl; - markdcl(); - firstdcl = dclstack; - argmark($2, 0); - } - pdecl - { - argmark($2, 1); - } - block - { - Node *n; - - n = revertdcl(); - if(n) - $6 = new(OLIST, n, $6); - if(!debug['a'] && !debug['Z']) - codgen($6, $2); - } - -xdlist: - xdecor - { - dodecl(xdecl, lastclass, lasttype, $1); - } -| xdecor - { - $1 = dodecl(xdecl, lastclass, lasttype, $1); - } - '=' init - { - doinit($1->sym, $1->type, 0L, $4); - } -| xdlist ',' xdlist - -xdecor: - xdecor2 -| '*' zgnlist xdecor - { - $$ = new(OIND, $3, Z); - $$->garb = simpleg($2); - } - -xdecor2: - tag -| '(' xdecor ')' - { - $$ = $2; - } -| xdecor2 '(' zarglist ')' - { - $$ = new(OFUNC, $1, $3); - } -| xdecor2 '[' zexpr ']' - { - $$ = new(OARRAY, $1, $3); - } - -/* - * automatic declarator - */ -adecl: - ctlist ';' - { - $$ = dodecl(adecl, lastclass, lasttype, Z); - } -| ctlist adlist ';' - { - $$ = $2; - } - -adlist: - xdecor - { - dodecl(adecl, lastclass, lasttype, $1); - $$ = Z; - } -| xdecor - { - $1 = dodecl(adecl, lastclass, lasttype, $1); - } - '=' init - { - int32 w; - - w = $1->sym->type->width; - $$ = doinit($1->sym, $1->type, 0L, $4); - $$ = contig($1->sym, $$, w); - } -| adlist ',' adlist - { - $$ = $1; - if($3 != Z) { - $$ = $3; - if($1 != Z) - $$ = new(OLIST, $1, $3); - } - } - -/* - * parameter declarator - */ -pdecl: -| pdecl ctlist pdlist ';' - -pdlist: - xdecor - { - dodecl(pdecl, lastclass, lasttype, $1); - } -| pdlist ',' pdlist - -/* - * structure element declarator - */ -edecl: - tlist - { - lasttype = $1; - } - zedlist ';' -| edecl tlist - { - lasttype = $2; - } - zedlist ';' - -zedlist: /* extension */ - { - lastfield = 0; - edecl(CXXX, lasttype, S); - } -| edlist - -edlist: - edecor - { - dodecl(edecl, CXXX, lasttype, $1); - } -| edlist ',' edlist - -edecor: - xdecor - { - lastbit = 0; - firstbit = 1; - } -| tag ':' lexpr - { - $$ = new(OBIT, $1, $3); - } -| ':' lexpr - { - $$ = new(OBIT, Z, $2); - } - -/* - * abstract declarator - */ -abdecor: - { - $$ = (Z); - } -| abdecor1 - -abdecor1: - '*' zgnlist - { - $$ = new(OIND, (Z), Z); - $$->garb = simpleg($2); - } -| '*' zgnlist abdecor1 - { - $$ = new(OIND, $3, Z); - $$->garb = simpleg($2); - } -| abdecor2 - -abdecor2: - abdecor3 -| abdecor2 '(' zarglist ')' - { - $$ = new(OFUNC, $1, $3); - } -| abdecor2 '[' zexpr ']' - { - $$ = new(OARRAY, $1, $3); - } - -abdecor3: - '(' ')' - { - $$ = new(OFUNC, (Z), Z); - } -| '[' zexpr ']' - { - $$ = new(OARRAY, (Z), $2); - } -| '(' abdecor1 ')' - { - $$ = $2; - } - -init: - expr -| '{' ilist '}' - { - $$ = new(OINIT, invert($2), Z); - } - -qual: - '[' lexpr ']' - { - $$ = new(OARRAY, $2, Z); - } -| '.' ltag - { - $$ = new(OELEM, Z, Z); - $$->sym = $2; - } -| qual '=' - -qlist: - init ',' -| qlist init ',' - { - $$ = new(OLIST, $1, $2); - } -| qual -| qlist qual - { - $$ = new(OLIST, $1, $2); - } - -ilist: - qlist -| init -| qlist init - { - $$ = new(OLIST, $1, $2); - } - -zarglist: - { - $$ = Z; - } -| arglist - { - $$ = invert($1); - } - - -arglist: - name -| tlist abdecor - { - $$ = new(OPROTO, $2, Z); - $$->type = $1; - } -| tlist xdecor - { - $$ = new(OPROTO, $2, Z); - $$->type = $1; - } -| '.' '.' '.' - { - $$ = new(ODOTDOT, Z, Z); - } -| arglist ',' arglist - { - $$ = new(OLIST, $1, $3); - } - -block: - '{' slist '}' - { - $$ = invert($2); - // if($2 != Z) - // $$ = new(OLIST, $2, $$); - if($$ == Z) - $$ = new(OLIST, Z, Z); - } - -slist: - { - $$ = Z; - } -| slist adecl - { - $$ = new(OLIST, $1, $2); - } -| slist stmnt - { - $$ = new(OLIST, $1, $2); - } - -labels: - label -| labels label - { - $$ = new(OLIST, $1, $2); - } - -label: - LCASE expr ':' - { - $$ = new(OCASE, $2, Z); - } -| LDEFAULT ':' - { - $$ = new(OCASE, Z, Z); - } -| LNAME ':' - { - $$ = new(OLABEL, dcllabel($1, 1), Z); - } - -stmnt: - error ';' - { - $$ = Z; - } -| ulstmnt -| labels ulstmnt - { - $$ = new(OLIST, $1, $2); - } - -forexpr: - zcexpr -| ctlist adlist - { - $$ = $2; - } - -ulstmnt: - zcexpr ';' -| { - markdcl(); - } - block - { - $$ = revertdcl(); - if($$) - $$ = new(OLIST, $$, $2); - else - $$ = $2; - } -| LIF '(' cexpr ')' stmnt - { - $$ = new(OIF, $3, new(OLIST, $5, Z)); - if($5 == Z) - warn($3, "empty if body"); - } -| LIF '(' cexpr ')' stmnt LELSE stmnt - { - $$ = new(OIF, $3, new(OLIST, $5, $7)); - if($5 == Z) - warn($3, "empty if body"); - if($7 == Z) - warn($3, "empty else body"); - } -| { markdcl(); } LFOR '(' forexpr ';' zcexpr ';' zcexpr ')' stmnt - { - $$ = revertdcl(); - if($$){ - if($4) - $4 = new(OLIST, $$, $4); - else - $4 = $$; - } - $$ = new(OFOR, new(OLIST, $6, new(OLIST, $4, $8)), $10); - } -| LWHILE '(' cexpr ')' stmnt - { - $$ = new(OWHILE, $3, $5); - } -| LDO stmnt LWHILE '(' cexpr ')' ';' - { - $$ = new(ODWHILE, $5, $2); - } -| LRETURN zcexpr ';' - { - $$ = new(ORETURN, $2, Z); - $$->type = thisfn->link; - } -| LSWITCH '(' cexpr ')' stmnt - { - $$ = new(OCONST, Z, Z); - $$->vconst = 0; - $$->type = types[TINT]; - $3 = new(OSUB, $$, $3); - - $$ = new(OCONST, Z, Z); - $$->vconst = 0; - $$->type = types[TINT]; - $3 = new(OSUB, $$, $3); - - $$ = new(OSWITCH, $3, $5); - } -| LBREAK ';' - { - $$ = new(OBREAK, Z, Z); - } -| LCONTINUE ';' - { - $$ = new(OCONTINUE, Z, Z); - } -| LGOTO ltag ';' - { - $$ = new(OGOTO, dcllabel($2, 0), Z); - } -| LUSED '(' zelist ')' ';' - { - $$ = new(OUSED, $3, Z); - } -| LPREFETCH '(' zelist ')' ';' - { - $$ = new(OPREFETCH, $3, Z); - } -| LSET '(' zelist ')' ';' - { - $$ = new(OSET, $3, Z); - } - -zcexpr: - { - $$ = Z; - } -| cexpr - -zexpr: - { - $$ = Z; - } -| lexpr - -lexpr: - expr - { - $$ = new(OCAST, $1, Z); - $$->type = types[TLONG]; - } - -cexpr: - expr -| cexpr ',' cexpr - { - $$ = new(OCOMMA, $1, $3); - } - -expr: - xuexpr -| expr '*' expr - { - $$ = new(OMUL, $1, $3); - } -| expr '/' expr - { - $$ = new(ODIV, $1, $3); - } -| expr '%' expr - { - $$ = new(OMOD, $1, $3); - } -| expr '+' expr - { - $$ = new(OADD, $1, $3); - } -| expr '-' expr - { - $$ = new(OSUB, $1, $3); - } -| expr LRSH expr - { - $$ = new(OASHR, $1, $3); - } -| expr LLSH expr - { - $$ = new(OASHL, $1, $3); - } -| expr '<' expr - { - $$ = new(OLT, $1, $3); - } -| expr '>' expr - { - $$ = new(OGT, $1, $3); - } -| expr LLE expr - { - $$ = new(OLE, $1, $3); - } -| expr LGE expr - { - $$ = new(OGE, $1, $3); - } -| expr LEQ expr - { - $$ = new(OEQ, $1, $3); - } -| expr LNE expr - { - $$ = new(ONE, $1, $3); - } -| expr '&' expr - { - $$ = new(OAND, $1, $3); - } -| expr '^' expr - { - $$ = new(OXOR, $1, $3); - } -| expr '|' expr - { - $$ = new(OOR, $1, $3); - } -| expr LANDAND expr - { - $$ = new(OANDAND, $1, $3); - } -| expr LOROR expr - { - $$ = new(OOROR, $1, $3); - } -| expr '?' cexpr ':' expr - { - $$ = new(OCOND, $1, new(OLIST, $3, $5)); - } -| expr '=' expr - { - $$ = new(OAS, $1, $3); - } -| expr LPE expr - { - $$ = new(OASADD, $1, $3); - } -| expr LME expr - { - $$ = new(OASSUB, $1, $3); - } -| expr LMLE expr - { - $$ = new(OASMUL, $1, $3); - } -| expr LDVE expr - { - $$ = new(OASDIV, $1, $3); - } -| expr LMDE expr - { - $$ = new(OASMOD, $1, $3); - } -| expr LLSHE expr - { - $$ = new(OASASHL, $1, $3); - } -| expr LRSHE expr - { - $$ = new(OASASHR, $1, $3); - } -| expr LANDE expr - { - $$ = new(OASAND, $1, $3); - } -| expr LXORE expr - { - $$ = new(OASXOR, $1, $3); - } -| expr LORE expr - { - $$ = new(OASOR, $1, $3); - } - -xuexpr: - uexpr -| '(' tlist abdecor ')' xuexpr - { - $$ = new(OCAST, $5, Z); - dodecl(NODECL, CXXX, $2, $3); - $$->type = lastdcl; - $$->xcast = 1; - } -| '(' tlist abdecor ')' '{' ilist '}' /* extension */ - { - $$ = new(OSTRUCT, $6, Z); - dodecl(NODECL, CXXX, $2, $3); - $$->type = lastdcl; - } - -uexpr: - pexpr -| '*' xuexpr - { - $$ = new(OIND, $2, Z); - } -| '&' xuexpr - { - $$ = new(OADDR, $2, Z); - } -| '+' xuexpr - { - $$ = new(OPOS, $2, Z); - } -| '-' xuexpr - { - $$ = new(ONEG, $2, Z); - } -| '!' xuexpr - { - $$ = new(ONOT, $2, Z); - } -| '~' xuexpr - { - $$ = new(OCOM, $2, Z); - } -| LPP xuexpr - { - $$ = new(OPREINC, $2, Z); - } -| LMM xuexpr - { - $$ = new(OPREDEC, $2, Z); - } -| LSIZEOF uexpr - { - $$ = new(OSIZE, $2, Z); - } -| LSIGNOF uexpr - { - $$ = new(OSIGN, $2, Z); - } - -pexpr: - '(' cexpr ')' - { - $$ = $2; - } -| LSIZEOF '(' tlist abdecor ')' - { - $$ = new(OSIZE, Z, Z); - dodecl(NODECL, CXXX, $3, $4); - $$->type = lastdcl; - } -| LSIGNOF '(' tlist abdecor ')' - { - $$ = new(OSIGN, Z, Z); - dodecl(NODECL, CXXX, $3, $4); - $$->type = lastdcl; - } -| pexpr '(' zelist ')' - { - $$ = new(OFUNC, $1, Z); - if($1->op == ONAME) - if($1->type == T) - dodecl(xdecl, CXXX, types[TINT], $$); - $$->right = invert($3); - } -| pexpr '[' cexpr ']' - { - $$ = new(OIND, new(OADD, $1, $3), Z); - } -| pexpr LMG ltag - { - $$ = new(ODOT, new(OIND, $1, Z), Z); - $$->sym = $3; - } -| pexpr '.' ltag - { - $$ = new(ODOT, $1, Z); - $$->sym = $3; - } -| pexpr LPP - { - $$ = new(OPOSTINC, $1, Z); - } -| pexpr LMM - { - $$ = new(OPOSTDEC, $1, Z); - } -| name -| LCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TINT]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| LLCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TLONG]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| LUCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TUINT]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| LULCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TULONG]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| LDCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TDOUBLE]; - $$->fconst = $1; - $$->cstring = strdup(symb); - } -| LFCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TFLOAT]; - $$->fconst = $1; - $$->cstring = strdup(symb); - } -| LVLCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TVLONG]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| LUVLCONST - { - $$ = new(OCONST, Z, Z); - $$->type = types[TUVLONG]; - $$->vconst = $1; - $$->cstring = strdup(symb); - } -| string -| lstring - -string: - LSTRING - { - $$ = new(OSTRING, Z, Z); - $$->type = typ(TARRAY, types[TCHAR]); - $$->type->width = $1.l + 1; - $$->cstring = $1.s; - $$->sym = symstring; - $$->etype = TARRAY; - $$->class = CSTATIC; - } -| string LSTRING - { - char *s; - int n; - - n = $1->type->width - 1; - s = alloc(n+$2.l+MAXALIGN); - - memcpy(s, $1->cstring, n); - memcpy(s+n, $2.s, $2.l); - s[n+$2.l] = 0; - - $$ = $1; - $$->type->width += $2.l; - $$->cstring = s; - } - -lstring: - LLSTRING - { - $$ = new(OLSTRING, Z, Z); - $$->type = typ(TARRAY, types[TRUNE]); - $$->type->width = $1.l + sizeof(TRune); - $$->rstring = (TRune*)$1.s; - $$->sym = symstring; - $$->etype = TARRAY; - $$->class = CSTATIC; - } -| lstring LLSTRING - { - char *s; - int n; - - n = $1->type->width - sizeof(TRune); - s = alloc(n+$2.l+MAXALIGN); - - memcpy(s, $1->rstring, n); - memcpy(s+n, $2.s, $2.l); - *(TRune*)(s+n+$2.l) = 0; - - $$ = $1; - $$->type->width += $2.l; - $$->rstring = (TRune*)s; - } - -zelist: - { - $$ = Z; - } -| elist - -elist: - expr -| elist ',' elist - { - $$ = new(OLIST, $1, $3); - } - -sbody: - '{' - { - $<tyty>$.t1 = strf; - $<tyty>$.t2 = strl; - $<tyty>$.t3 = lasttype; - $<tyty>$.c = lastclass; - strf = T; - strl = T; - lastbit = 0; - firstbit = 1; - lastclass = CXXX; - lasttype = T; - } - edecl '}' - { - $$ = strf; - strf = $<tyty>2.t1; - strl = $<tyty>2.t2; - lasttype = $<tyty>2.t3; - lastclass = $<tyty>2.c; - } - -zctlist: - { - lastclass = CXXX; - lasttype = types[TINT]; - } -| ctlist - -types: - complex - { - $$.t = $1; - $$.c = CXXX; - } -| tname - { - $$.t = simplet($1); - $$.c = CXXX; - } -| gcnlist - { - $$.t = simplet($1); - $$.c = simplec($1); - $$.t = garbt($$.t, $1); - } -| complex gctnlist - { - $$.t = $1; - $$.c = simplec($2); - $$.t = garbt($$.t, $2); - if($2 & ~BCLASS & ~BGARB) - diag(Z, "duplicate types given: %T and %Q", $1, $2); - } -| tname gctnlist - { - $$.t = simplet(typebitor($1, $2)); - $$.c = simplec($2); - $$.t = garbt($$.t, $2); - } -| gcnlist complex zgnlist - { - $$.t = $2; - $$.c = simplec($1); - $$.t = garbt($$.t, $1|$3); - } -| gcnlist tname - { - $$.t = simplet($2); - $$.c = simplec($1); - $$.t = garbt($$.t, $1); - } -| gcnlist tname gctnlist - { - $$.t = simplet(typebitor($2, $3)); - $$.c = simplec($1|$3); - $$.t = garbt($$.t, $1|$3); - } - -tlist: - types - { - $$ = $1.t; - if($1.c != CXXX) - diag(Z, "illegal combination of class 4: %s", cnames[$1.c]); - } - -ctlist: - types - { - lasttype = $1.t; - lastclass = $1.c; - } - -complex: - LSTRUCT ltag - { - dotag($2, TSTRUCT, 0); - $$ = $2->suetag; - } -| LSTRUCT ltag - { - dotag($2, TSTRUCT, autobn); - } - sbody - { - $$ = $2->suetag; - if($$->link != T) - diag(Z, "redeclare tag: %s", $2->name); - $$->link = $4; - sualign($$); - } -| LSTRUCT sbody - { - diag(Z, "struct must have tag"); - taggen++; - sprint(symb, "_%d_", taggen); - $$ = dotag(lookup(), TSTRUCT, autobn); - $$->link = $2; - sualign($$); - } -| LUNION ltag - { - dotag($2, TUNION, 0); - $$ = $2->suetag; - } -| LUNION ltag - { - dotag($2, TUNION, autobn); - } - sbody - { - $$ = $2->suetag; - if($$->link != T) - diag(Z, "redeclare tag: %s", $2->name); - $$->link = $4; - sualign($$); - } -| LUNION sbody - { - taggen++; - sprint(symb, "_%d_", taggen); - $$ = dotag(lookup(), TUNION, autobn); - $$->link = $2; - sualign($$); - } -| LENUM ltag - { - dotag($2, TENUM, 0); - $$ = $2->suetag; - if($$->link == T) - $$->link = types[TINT]; - $$ = $$->link; - } -| LENUM ltag - { - dotag($2, TENUM, autobn); - } - '{' - { - en.tenum = T; - en.cenum = T; - } - enum '}' - { - $$ = $2->suetag; - if($$->link != T) - diag(Z, "redeclare tag: %s", $2->name); - if(en.tenum == T) { - diag(Z, "enum type ambiguous: %s", $2->name); - en.tenum = types[TINT]; - } - $$->link = en.tenum; - $$ = en.tenum; - } -| LENUM '{' - { - en.tenum = T; - en.cenum = T; - } - enum '}' - { - $$ = en.tenum; - } -| LTYPE - { - $$ = tcopy($1->type); - } - -gctnlist: - gctname -| gctnlist gctname - { - $$ = typebitor($1, $2); - } - -zgnlist: - { - $$ = 0; - } -| zgnlist gname - { - $$ = typebitor($1, $2); - } - -gctname: - tname -| gname -| cname - -gcnlist: - gcname -| gcnlist gcname - { - $$ = typebitor($1, $2); - } - -gcname: - gname -| cname - -enum: - LNAME - { - doenum($1, Z); - } -| LNAME '=' expr - { - doenum($1, $3); - } -| enum ',' -| enum ',' enum - -tname: /* type words */ - LCHAR { $$ = BCHAR; } -| LSHORT { $$ = BSHORT; } -| LINT { $$ = BINT; } -| LLONG { $$ = BLONG; } -| LSIGNED { $$ = BSIGNED; } -| LUNSIGNED { $$ = BUNSIGNED; } -| LFLOAT { $$ = BFLOAT; } -| LDOUBLE { $$ = BDOUBLE; } -| LVOID { $$ = BVOID; } - -cname: /* class words */ - LAUTO { $$ = BAUTO; } -| LSTATIC { $$ = BSTATIC; } -| LEXTERN { $$ = BEXTERN; } -| LTYPEDEF { $$ = BTYPEDEF; } -| LTYPESTR { $$ = BTYPESTR; } -| LREGISTER { $$ = BREGISTER; } -| LINLINE { $$ = 0; } - -gname: /* garbage words */ - LCONSTNT { $$ = BCONSTNT; } -| LVOLATILE { $$ = BVOLATILE; } -| LRESTRICT { $$ = 0; } - -name: - LNAME - { - $$ = new(ONAME, Z, Z); - if($1->class == CLOCAL) - $1 = mkstatic($1); - $$->sym = $1; - $$->type = $1->type; - $$->etype = TVOID; - if($$->type != T) - $$->etype = $$->type->etype; - $$->xoffset = $1->offset; - $$->class = $1->class; - $1->aused = 1; - } -tag: - ltag - { - $$ = new(ONAME, Z, Z); - $$->sym = $1; - $$->type = $1->type; - $$->etype = TVOID; - if($$->type != T) - $$->etype = $$->type->etype; - $$->xoffset = $1->offset; - $$->class = $1->class; - } -ltag: - LNAME -| LTYPE -%% |