From: Dave Mitchell Date: Tue, 2 Jan 2007 01:51:05 +0000 (+0000) Subject: move easy lexer state variables into PL_parser X-Git-Tag: accepted/trunk/20130322.191538~16250 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=199e78b72f538ce004dd96ef2f457b84b88279cc;p=platform%2Fupstream%2Fperl.git move easy lexer state variables into PL_parser (where "easy" == "only appear in toke.c") p4raw-id: //depot/perl@29655 --- diff --git a/embed.fnc b/embed.fnc index 36d57e6..fecb528 100644 --- a/embed.fnc +++ b/embed.fnc @@ -957,6 +957,7 @@ p |int |yyerror |NN const char* s p |int |yylex p |int |yyparse p |void |parser_free |NN const yy_parser * +p |yy_parser*|parser_dup |NN const yy_parser *proto|NN CLONE_PARAMS* param p |int |yywarn |NN const char* s #if defined(MYMALLOC) Ap |void |dump_mstats |NN char* s diff --git a/embed.h b/embed.h index 09fbb8f..4dc5616 100644 --- a/embed.h +++ b/embed.h @@ -977,6 +977,7 @@ #define yylex Perl_yylex #define yyparse Perl_yyparse #define parser_free Perl_parser_free +#define parser_dup Perl_parser_dup #define yywarn Perl_yywarn #endif #if defined(MYMALLOC) @@ -3185,6 +3186,7 @@ #define yylex() Perl_yylex(aTHX) #define yyparse() Perl_yyparse(aTHX) #define parser_free(a) Perl_parser_free(aTHX_ a) +#define parser_dup(a,b) Perl_parser_dup(aTHX_ a,b) #define yywarn(a) Perl_yywarn(aTHX_ a) #endif #if defined(MYMALLOC) diff --git a/embedvar.h b/embedvar.h index 7fe5e29..566c2ff 100644 --- a/embedvar.h +++ b/embedvar.h @@ -195,7 +195,6 @@ #define PL_egid (vTHX->Iegid) #define PL_encoding (vTHX->Iencoding) #define PL_endav (vTHX->Iendav) -#define PL_endwhite (vTHX->Iendwhite) #define PL_envgv (vTHX->Ienvgv) #define PL_errgv (vTHX->Ierrgv) #define PL_error_count (vTHX->Ierror_count) @@ -207,7 +206,6 @@ #define PL_exitlist (vTHX->Iexitlist) #define PL_exitlistlen (vTHX->Iexitlistlen) #define PL_expect (vTHX->Iexpect) -#define PL_faketokens (vTHX->Ifaketokens) #define PL_fdpid (vTHX->Ifdpid) #define PL_filemode (vTHX->Ifilemode) #define PL_forkprocess (vTHX->Iforkprocess) @@ -241,22 +239,7 @@ #define PL_lastfd (vTHX->Ilastfd) #define PL_laststatval (vTHX->Ilaststatval) #define PL_laststype (vTHX->Ilaststype) -#define PL_lasttoke (vTHX->Ilasttoke) -#define PL_lex_brackets (vTHX->Ilex_brackets) -#define PL_lex_brackstack (vTHX->Ilex_brackstack) -#define PL_lex_casemods (vTHX->Ilex_casemods) -#define PL_lex_casestack (vTHX->Ilex_casestack) -#define PL_lex_defer (vTHX->Ilex_defer) -#define PL_lex_dojoin (vTHX->Ilex_dojoin) -#define PL_lex_expect (vTHX->Ilex_expect) -#define PL_lex_formbrack (vTHX->Ilex_formbrack) -#define PL_lex_inpat (vTHX->Ilex_inpat) -#define PL_lex_inwhat (vTHX->Ilex_inwhat) -#define PL_lex_op (vTHX->Ilex_op) -#define PL_lex_repl (vTHX->Ilex_repl) -#define PL_lex_starts (vTHX->Ilex_starts) #define PL_lex_state (vTHX->Ilex_state) -#define PL_lex_stuff (vTHX->Ilex_stuff) #define PL_lineary (vTHX->Ilineary) #define PL_linestart (vTHX->Ilinestart) #define PL_linestr (vTHX->Ilinestr) @@ -280,17 +263,13 @@ #define PL_minus_n (vTHX->Iminus_n) #define PL_minus_p (vTHX->Iminus_p) #define PL_modglobal (vTHX->Imodglobal) -#define PL_multi_close (vTHX->Imulti_close) #define PL_multi_end (vTHX->Imulti_end) -#define PL_multi_open (vTHX->Imulti_open) -#define PL_multi_start (vTHX->Imulti_start) #define PL_my_cxt_keys (vTHX->Imy_cxt_keys) #define PL_my_cxt_list (vTHX->Imy_cxt_list) #define PL_my_cxt_size (vTHX->Imy_cxt_size) #define PL_nexttoke (vTHX->Inexttoke) #define PL_nexttype (vTHX->Inexttype) #define PL_nextval (vTHX->Inextval) -#define PL_nextwhite (vTHX->Inextwhite) #define PL_nice_chunk (vTHX->Inice_chunk) #define PL_nice_chunk_size (vTHX->Inice_chunk_size) #define PL_nomemok (vTHX->Inomemok) @@ -315,21 +294,18 @@ #define PL_padix_floor (vTHX->Ipadix_floor) #define PL_parser (vTHX->Iparser) #define PL_patchlevel (vTHX->Ipatchlevel) -#define PL_pending_ident (vTHX->Ipending_ident) #define PL_perl_destruct_level (vTHX->Iperl_destruct_level) #define PL_perldb (vTHX->Iperldb) #define PL_perlio (vTHX->Iperlio) #define PL_pidstatus (vTHX->Ipidstatus) #define PL_ppid (vTHX->Ippid) #define PL_preambleav (vTHX->Ipreambleav) -#define PL_preambled (vTHX->Ipreambled) #define PL_preprocess (vTHX->Ipreprocess) #define PL_profiledata (vTHX->Iprofiledata) #define PL_psig_name (vTHX->Ipsig_name) #define PL_psig_pend (vTHX->Ipsig_pend) #define PL_psig_ptr (vTHX->Ipsig_ptr) #define PL_ptr_table (vTHX->Iptr_table) -#define PL_realtokenstart (vTHX->Irealtokenstart) #define PL_reentrant_buffer (vTHX->Ireentrant_buffer) #define PL_reentrant_retint (vTHX->Ireentrant_retint) #define PL_regex_pad (vTHX->Iregex_pad) @@ -348,7 +324,6 @@ #define PL_sig_pending (vTHX->Isig_pending) #define PL_sighandlerp (vTHX->Isighandlerp) #define PL_signals (vTHX->Isignals) -#define PL_skipwhite (vTHX->Iskipwhite) #define PL_sort_RealCmp (vTHX->Isort_RealCmp) #define PL_splitstr (vTHX->Isplitstr) #define PL_srand_called (vTHX->Isrand_called) @@ -360,7 +335,6 @@ #define PL_stdingv (vTHX->Istdingv) #define PL_strtab (vTHX->Istrtab) #define PL_sub_generation (vTHX->Isub_generation) -#define PL_sublex_info (vTHX->Isublex_info) #define PL_subline (vTHX->Isubline) #define PL_subname (vTHX->Isubname) #define PL_sv_arenaroot (vTHX->Isv_arenaroot) @@ -373,12 +347,6 @@ #define PL_sys_intern (vTHX->Isys_intern) #define PL_taint_warn (vTHX->Itaint_warn) #define PL_tainting (vTHX->Itainting) -#define PL_thisclose (vTHX->Ithisclose) -#define PL_thismad (vTHX->Ithismad) -#define PL_thisopen (vTHX->Ithisopen) -#define PL_thisstuff (vTHX->Ithisstuff) -#define PL_thistoken (vTHX->Ithistoken) -#define PL_thiswhite (vTHX->Ithiswhite) #define PL_threadhook (vTHX->Ithreadhook) #define PL_tokenbuf (vTHX->Itokenbuf) #define PL_uid (vTHX->Iuid) @@ -493,7 +461,6 @@ #define PL_Iegid PL_egid #define PL_Iencoding PL_encoding #define PL_Iendav PL_endav -#define PL_Iendwhite PL_endwhite #define PL_Ienvgv PL_envgv #define PL_Ierrgv PL_errgv #define PL_Ierror_count PL_error_count @@ -505,7 +472,6 @@ #define PL_Iexitlist PL_exitlist #define PL_Iexitlistlen PL_exitlistlen #define PL_Iexpect PL_expect -#define PL_Ifaketokens PL_faketokens #define PL_Ifdpid PL_fdpid #define PL_Ifilemode PL_filemode #define PL_Iforkprocess PL_forkprocess @@ -539,22 +505,7 @@ #define PL_Ilastfd PL_lastfd #define PL_Ilaststatval PL_laststatval #define PL_Ilaststype PL_laststype -#define PL_Ilasttoke PL_lasttoke -#define PL_Ilex_brackets PL_lex_brackets -#define PL_Ilex_brackstack PL_lex_brackstack -#define PL_Ilex_casemods PL_lex_casemods -#define PL_Ilex_casestack PL_lex_casestack -#define PL_Ilex_defer PL_lex_defer -#define PL_Ilex_dojoin PL_lex_dojoin -#define PL_Ilex_expect PL_lex_expect -#define PL_Ilex_formbrack PL_lex_formbrack -#define PL_Ilex_inpat PL_lex_inpat -#define PL_Ilex_inwhat PL_lex_inwhat -#define PL_Ilex_op PL_lex_op -#define PL_Ilex_repl PL_lex_repl -#define PL_Ilex_starts PL_lex_starts #define PL_Ilex_state PL_lex_state -#define PL_Ilex_stuff PL_lex_stuff #define PL_Ilineary PL_lineary #define PL_Ilinestart PL_linestart #define PL_Ilinestr PL_linestr @@ -578,17 +529,13 @@ #define PL_Iminus_n PL_minus_n #define PL_Iminus_p PL_minus_p #define PL_Imodglobal PL_modglobal -#define PL_Imulti_close PL_multi_close #define PL_Imulti_end PL_multi_end -#define PL_Imulti_open PL_multi_open -#define PL_Imulti_start PL_multi_start #define PL_Imy_cxt_keys PL_my_cxt_keys #define PL_Imy_cxt_list PL_my_cxt_list #define PL_Imy_cxt_size PL_my_cxt_size #define PL_Inexttoke PL_nexttoke #define PL_Inexttype PL_nexttype #define PL_Inextval PL_nextval -#define PL_Inextwhite PL_nextwhite #define PL_Inice_chunk PL_nice_chunk #define PL_Inice_chunk_size PL_nice_chunk_size #define PL_Inomemok PL_nomemok @@ -613,21 +560,18 @@ #define PL_Ipadix_floor PL_padix_floor #define PL_Iparser PL_parser #define PL_Ipatchlevel PL_patchlevel -#define PL_Ipending_ident PL_pending_ident #define PL_Iperl_destruct_level PL_perl_destruct_level #define PL_Iperldb PL_perldb #define PL_Iperlio PL_perlio #define PL_Ipidstatus PL_pidstatus #define PL_Ippid PL_ppid #define PL_Ipreambleav PL_preambleav -#define PL_Ipreambled PL_preambled #define PL_Ipreprocess PL_preprocess #define PL_Iprofiledata PL_profiledata #define PL_Ipsig_name PL_psig_name #define PL_Ipsig_pend PL_psig_pend #define PL_Ipsig_ptr PL_psig_ptr #define PL_Iptr_table PL_ptr_table -#define PL_Irealtokenstart PL_realtokenstart #define PL_Ireentrant_buffer PL_reentrant_buffer #define PL_Ireentrant_retint PL_reentrant_retint #define PL_Iregex_pad PL_regex_pad @@ -646,7 +590,6 @@ #define PL_Isig_pending PL_sig_pending #define PL_Isighandlerp PL_sighandlerp #define PL_Isignals PL_signals -#define PL_Iskipwhite PL_skipwhite #define PL_Isort_RealCmp PL_sort_RealCmp #define PL_Isplitstr PL_splitstr #define PL_Isrand_called PL_srand_called @@ -658,7 +601,6 @@ #define PL_Istdingv PL_stdingv #define PL_Istrtab PL_strtab #define PL_Isub_generation PL_sub_generation -#define PL_Isublex_info PL_sublex_info #define PL_Isubline PL_subline #define PL_Isubname PL_subname #define PL_Isv_arenaroot PL_sv_arenaroot @@ -671,12 +613,6 @@ #define PL_Isys_intern PL_sys_intern #define PL_Itaint_warn PL_taint_warn #define PL_Itainting PL_tainting -#define PL_Ithisclose PL_thisclose -#define PL_Ithismad PL_thismad -#define PL_Ithisopen PL_thisopen -#define PL_Ithisstuff PL_thisstuff -#define PL_Ithistoken PL_thistoken -#define PL_Ithiswhite PL_thiswhite #define PL_Ithreadhook PL_threadhook #define PL_Itokenbuf PL_tokenbuf #define PL_Iuid PL_uid diff --git a/intrpvar.h b/intrpvar.h index 660b716..a9e0f46 100644 --- a/intrpvar.h +++ b/intrpvar.h @@ -173,7 +173,6 @@ PERLVAR(Ioldname, char *) /* what to preserve mode on */ PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */ PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ -PERLVAR(Ipreambled, bool) PERLVAR(Ipreambleav, AV *) PERLVARI(Ilaststatval, int, -1) PERLVARI(Ilaststype, I32, OP_STAT) @@ -227,8 +226,6 @@ PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */ PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ PERLVAR(Ilinestart, char *) /* beg. of most recently read line */ -PERLVAR(Ipending_ident, char) /* pending identifier lookup */ -PERLVAR(Isublex_info, SUBLEXINFO) /* from toke.c */ PERLVAR(Iuid, Uid_t) /* current real user id */ PERLVAR(Ieuid, Uid_t) /* current effective user id */ @@ -282,36 +279,10 @@ PERLVARI(Icshlen, I32, 0) #endif PERLVAR(Ilex_state, U32) /* next token is determined */ -PERLVAR(Ilex_defer, U32) /* state after determined token */ -PERLVAR(Ilex_expect, int) /* expect after determined token */ -PERLVAR(Ilex_brackets, I32) /* bracket count */ -PERLVAR(Ilex_formbrack, I32) /* bracket count at outer format level */ -PERLVAR(Ilex_casemods, I32) /* casemod count */ -PERLVAR(Ilex_dojoin, I32) /* doing an array interpolation */ -PERLVAR(Ilex_starts, I32) /* how many interps done on level */ -PERLVAR(Ilex_stuff, SV *) /* runtime pattern from m// or s/// */ -PERLVAR(Ilex_repl, SV *) /* runtime replacement from s/// */ -PERLVAR(Ilex_op, OP *) /* extra info to pass back on op */ -PERLVAR(Ilex_inpat, OP *) /* in pattern $) and $| are special */ -PERLVAR(Ilex_inwhat, I32) /* what kind of quoting are we in */ -PERLVAR(Ilex_brackstack,char *) /* what kind of brackets to pop */ -PERLVAR(Ilex_casestack, char *) /* what kind of case mods in effect */ /* What we know when we're in LEX_KNOWNEXT state. */ #ifdef PERL_MAD PERLVARA(Inexttoke,5, NEXTTOKE) /* value of next token, if any */ -PERLVAR(Ilasttoke, I32) -PERLVAR(Irealtokenstart,I32) -PERLVAR(Ifaketokens, I32) -PERLVAR(Ithismad, MADPROP *) -PERLVAR(Ithistoken, SV *) -PERLVAR(Ithisopen, SV *) -PERLVAR(Ithisstuff, SV *) -PERLVAR(Ithisclose, SV *) -PERLVAR(Ithiswhite, SV *) -PERLVAR(Inextwhite, SV *) -PERLVAR(Iskipwhite, SV *) -PERLVAR(Iendwhite, SV *) PERLVAR(Icurforce, I32) #else PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */ @@ -326,10 +297,7 @@ PERLVAR(Ioldoldbufptr, char *) PERLVAR(Ibufend, char *) PERLVARI(Iexpect,int, XSTATE) /* how to interpret ambiguous tokens */ -PERLVAR(Imulti_start, I32) /* 1st line of multi-line string */ PERLVAR(Imulti_end, I32) /* last line of multi-line string */ -PERLVAR(Imulti_open, I32) /* delimiter of said string */ -PERLVAR(Imulti_close, I32) /* delimiter of said string */ PERLVAR(Ierror_count, I32) /* how many errors so far, max 10 */ PERLVAR(Isubline, I32) /* line this subroutine began on */ diff --git a/parser.h b/parser.h index 89d1c6c..4bb2254 100644 --- a/parser.h +++ b/parser.h @@ -21,6 +21,9 @@ typedef struct { } yy_stack_frame; typedef struct yy_parser { + + /* parser state */ + struct yy_parser *old_parser; /* previous value of PL_parser */ int yychar; /* The lookahead symbol. */ YYSTYPE yylval; /* value of lookahead symbol, set by yylex() */ @@ -32,6 +35,44 @@ typedef struct yy_parser { int yylen; /* length of active reduction */ yy_stack_frame *stack; /* base of stack */ yy_stack_frame *ps; /* current stack frame */ + + /* lexer state */ + + I32 lex_brackets; /* bracket count */ + I32 lex_casemods; /* casemod count */ + char *lex_brackstack;/* what kind of brackets to pop */ + char *lex_casestack; /* what kind of case mods in effect */ + U32 lex_defer; /* state after determined token */ + I32 lex_dojoin; /* doing an array interpolation */ + int lex_expect; /* expect after determined token */ + I32 lex_formbrack; /* bracket count at outer format level */ + OP *lex_inpat; /* in pattern $) and $| are special */ + I32 lex_inwhat; /* what kind of quoting are we in */ + OP *lex_op; /* extra info to pass back on op */ + SV *lex_repl; /* runtime replacement from s/// */ + I32 lex_starts; /* how many interps done on level */ + SV *lex_stuff; /* runtime pattern from m// or s/// */ + I32 multi_start; /* 1st line of multi-line string */ + I32 multi_open; /* delimiter of said string */ + I32 multi_close; /* delimiter of said string */ + char pending_ident; /* pending identifier lookup */ + bool preambled; + SUBLEXINFO sublex_info; + +#ifdef PERL_MAD + SV *endwhite; + I32 faketokens; + I32 lasttoke; + SV *nextwhite; + I32 realtokenstart; + SV *skipwhite; + SV *thisclose; + MADPROP * thismad; + SV *thisopen; + SV *thisstuff; + SV *thistoken; + SV *thiswhite; +#endif } yy_parser; diff --git a/perl.h b/perl.h index 1b9f6ce..9d1c1b1 100644 --- a/perl.h +++ b/perl.h @@ -3242,7 +3242,6 @@ typedef struct crypt_data { /* straight from /usr/include/crypt.h */ # define YYTOKENTYPE #endif #include "perly.h" -#include "parser.h" #ifdef PERL_MAD struct nexttoken { @@ -3279,6 +3278,8 @@ struct _sublex_info { char *super_bufend; /* PL_bufend that was */ }; +#include "parser.h" + typedef struct magic_state MGS; /* struct magic_state defined in mg.c */ struct scan_data_t; /* Used in S_* functions in regcomp.c */ diff --git a/perlapi.h b/perlapi.h index f21407c..3189d1f 100644 --- a/perlapi.h +++ b/perlapi.h @@ -268,8 +268,6 @@ END_EXTERN_C #define PL_encoding (*Perl_Iencoding_ptr(aTHX)) #undef PL_endav #define PL_endav (*Perl_Iendav_ptr(aTHX)) -#undef PL_endwhite -#define PL_endwhite (*Perl_Iendwhite_ptr(aTHX)) #undef PL_envgv #define PL_envgv (*Perl_Ienvgv_ptr(aTHX)) #undef PL_errgv @@ -292,8 +290,6 @@ END_EXTERN_C #define PL_exitlistlen (*Perl_Iexitlistlen_ptr(aTHX)) #undef PL_expect #define PL_expect (*Perl_Iexpect_ptr(aTHX)) -#undef PL_faketokens -#define PL_faketokens (*Perl_Ifaketokens_ptr(aTHX)) #undef PL_fdpid #define PL_fdpid (*Perl_Ifdpid_ptr(aTHX)) #undef PL_filemode @@ -360,38 +356,8 @@ END_EXTERN_C #define PL_laststatval (*Perl_Ilaststatval_ptr(aTHX)) #undef PL_laststype #define PL_laststype (*Perl_Ilaststype_ptr(aTHX)) -#undef PL_lasttoke -#define PL_lasttoke (*Perl_Ilasttoke_ptr(aTHX)) -#undef PL_lex_brackets -#define PL_lex_brackets (*Perl_Ilex_brackets_ptr(aTHX)) -#undef PL_lex_brackstack -#define PL_lex_brackstack (*Perl_Ilex_brackstack_ptr(aTHX)) -#undef PL_lex_casemods -#define PL_lex_casemods (*Perl_Ilex_casemods_ptr(aTHX)) -#undef PL_lex_casestack -#define PL_lex_casestack (*Perl_Ilex_casestack_ptr(aTHX)) -#undef PL_lex_defer -#define PL_lex_defer (*Perl_Ilex_defer_ptr(aTHX)) -#undef PL_lex_dojoin -#define PL_lex_dojoin (*Perl_Ilex_dojoin_ptr(aTHX)) -#undef PL_lex_expect -#define PL_lex_expect (*Perl_Ilex_expect_ptr(aTHX)) -#undef PL_lex_formbrack -#define PL_lex_formbrack (*Perl_Ilex_formbrack_ptr(aTHX)) -#undef PL_lex_inpat -#define PL_lex_inpat (*Perl_Ilex_inpat_ptr(aTHX)) -#undef PL_lex_inwhat -#define PL_lex_inwhat (*Perl_Ilex_inwhat_ptr(aTHX)) -#undef PL_lex_op -#define PL_lex_op (*Perl_Ilex_op_ptr(aTHX)) -#undef PL_lex_repl -#define PL_lex_repl (*Perl_Ilex_repl_ptr(aTHX)) -#undef PL_lex_starts -#define PL_lex_starts (*Perl_Ilex_starts_ptr(aTHX)) #undef PL_lex_state #define PL_lex_state (*Perl_Ilex_state_ptr(aTHX)) -#undef PL_lex_stuff -#define PL_lex_stuff (*Perl_Ilex_stuff_ptr(aTHX)) #undef PL_lineary #define PL_lineary (*Perl_Ilineary_ptr(aTHX)) #undef PL_linestart @@ -438,14 +404,8 @@ END_EXTERN_C #define PL_minus_p (*Perl_Iminus_p_ptr(aTHX)) #undef PL_modglobal #define PL_modglobal (*Perl_Imodglobal_ptr(aTHX)) -#undef PL_multi_close -#define PL_multi_close (*Perl_Imulti_close_ptr(aTHX)) #undef PL_multi_end #define PL_multi_end (*Perl_Imulti_end_ptr(aTHX)) -#undef PL_multi_open -#define PL_multi_open (*Perl_Imulti_open_ptr(aTHX)) -#undef PL_multi_start -#define PL_multi_start (*Perl_Imulti_start_ptr(aTHX)) #undef PL_my_cxt_keys #define PL_my_cxt_keys (*Perl_Imy_cxt_keys_ptr(aTHX)) #undef PL_my_cxt_list @@ -458,8 +418,6 @@ END_EXTERN_C #define PL_nexttype (*Perl_Inexttype_ptr(aTHX)) #undef PL_nextval #define PL_nextval (*Perl_Inextval_ptr(aTHX)) -#undef PL_nextwhite -#define PL_nextwhite (*Perl_Inextwhite_ptr(aTHX)) #undef PL_nice_chunk #define PL_nice_chunk (*Perl_Inice_chunk_ptr(aTHX)) #undef PL_nice_chunk_size @@ -508,8 +466,6 @@ END_EXTERN_C #define PL_parser (*Perl_Iparser_ptr(aTHX)) #undef PL_patchlevel #define PL_patchlevel (*Perl_Ipatchlevel_ptr(aTHX)) -#undef PL_pending_ident -#define PL_pending_ident (*Perl_Ipending_ident_ptr(aTHX)) #undef PL_perl_destruct_level #define PL_perl_destruct_level (*Perl_Iperl_destruct_level_ptr(aTHX)) #undef PL_perldb @@ -522,8 +478,6 @@ END_EXTERN_C #define PL_ppid (*Perl_Ippid_ptr(aTHX)) #undef PL_preambleav #define PL_preambleav (*Perl_Ipreambleav_ptr(aTHX)) -#undef PL_preambled -#define PL_preambled (*Perl_Ipreambled_ptr(aTHX)) #undef PL_preprocess #define PL_preprocess (*Perl_Ipreprocess_ptr(aTHX)) #undef PL_profiledata @@ -536,8 +490,6 @@ END_EXTERN_C #define PL_psig_ptr (*Perl_Ipsig_ptr_ptr(aTHX)) #undef PL_ptr_table #define PL_ptr_table (*Perl_Iptr_table_ptr(aTHX)) -#undef PL_realtokenstart -#define PL_realtokenstart (*Perl_Irealtokenstart_ptr(aTHX)) #undef PL_reentrant_buffer #define PL_reentrant_buffer (*Perl_Ireentrant_buffer_ptr(aTHX)) #undef PL_reentrant_retint @@ -574,8 +526,6 @@ END_EXTERN_C #define PL_sighandlerp (*Perl_Isighandlerp_ptr(aTHX)) #undef PL_signals #define PL_signals (*Perl_Isignals_ptr(aTHX)) -#undef PL_skipwhite -#define PL_skipwhite (*Perl_Iskipwhite_ptr(aTHX)) #undef PL_sort_RealCmp #define PL_sort_RealCmp (*Perl_Isort_RealCmp_ptr(aTHX)) #undef PL_splitstr @@ -598,8 +548,6 @@ END_EXTERN_C #define PL_strtab (*Perl_Istrtab_ptr(aTHX)) #undef PL_sub_generation #define PL_sub_generation (*Perl_Isub_generation_ptr(aTHX)) -#undef PL_sublex_info -#define PL_sublex_info (*Perl_Isublex_info_ptr(aTHX)) #undef PL_subline #define PL_subline (*Perl_Isubline_ptr(aTHX)) #undef PL_subname @@ -624,18 +572,6 @@ END_EXTERN_C #define PL_taint_warn (*Perl_Itaint_warn_ptr(aTHX)) #undef PL_tainting #define PL_tainting (*Perl_Itainting_ptr(aTHX)) -#undef PL_thisclose -#define PL_thisclose (*Perl_Ithisclose_ptr(aTHX)) -#undef PL_thismad -#define PL_thismad (*Perl_Ithismad_ptr(aTHX)) -#undef PL_thisopen -#define PL_thisopen (*Perl_Ithisopen_ptr(aTHX)) -#undef PL_thisstuff -#define PL_thisstuff (*Perl_Ithisstuff_ptr(aTHX)) -#undef PL_thistoken -#define PL_thistoken (*Perl_Ithistoken_ptr(aTHX)) -#undef PL_thiswhite -#define PL_thiswhite (*Perl_Ithiswhite_ptr(aTHX)) #undef PL_threadhook #define PL_threadhook (*Perl_Ithreadhook_ptr(aTHX)) #undef PL_tokenbuf diff --git a/perly.c b/perly.c index 36f78a3..af09290 100644 --- a/perly.c +++ b/perly.c @@ -195,7 +195,7 @@ S_clear_yystack(pTHX_ const yy_parser *parser) yy_stack_frame *ps = parser->ps; int i; - if (ps == parser->stack) + if (!parser->stack || ps == parser->stack) return; YYDPRINTF ((Perl_debug_log, "clearing the parse stack\n")); diff --git a/proto.h b/proto.h index 4f99f58..b908cf2 100644 --- a/proto.h +++ b/proto.h @@ -2600,6 +2600,10 @@ PERL_CALLCONV int Perl_yyparse(pTHX); PERL_CALLCONV void Perl_parser_free(pTHX_ const yy_parser *) __attribute__nonnull__(pTHX_1); +PERL_CALLCONV yy_parser* Perl_parser_dup(pTHX_ const yy_parser *proto, CLONE_PARAMS* param) + __attribute__nonnull__(pTHX_1) + __attribute__nonnull__(pTHX_2); + PERL_CALLCONV int Perl_yywarn(pTHX_ const char* s) __attribute__nonnull__(pTHX_1); diff --git a/sv.c b/sv.c index e78fd2e..6dd53b7 100644 --- a/sv.c +++ b/sv.c @@ -9479,6 +9479,70 @@ ptr_table_* functions. #define SAVEPV(p) ((p) ? savepv(p) : NULL) #define SAVEPVN(p,n) ((p) ? savepvn(p,n) : NULL) +/* clone a parser */ + +yy_parser * +Perl_parser_dup(pTHX_ const yy_parser *proto, CLONE_PARAMS* param) +{ + yy_parser *parser; + + if (!proto) + return NULL; + + Newxz(parser, 1, yy_parser); + + parser->yyerrstatus = 0; + parser->yychar = YYEMPTY; /* Cause a token to be read. */ + + /* XXX these not yet duped */ + parser->old_parser = NULL; + parser->stack = NULL; + parser->ps = NULL; + parser->stack_size = 0; + /* XXX parser->stack->state = 0; */ + + /* XXX eventually, just Copy() most of the parser struct ? */ + + parser->lex_brackets = proto->lex_brackets; + parser->lex_casemods = proto->lex_casemods; + parser->lex_brackstack = savepvn(proto->lex_brackstack, + (proto->lex_brackets < 120 ? 120 : proto->lex_brackets)); + parser->lex_casestack = savepvn(proto->lex_casestack, + (proto->lex_casemods < 12 ? 12 : proto->lex_casemods)); + parser->lex_defer = proto->lex_defer; + parser->lex_dojoin = proto->lex_dojoin; + parser->lex_expect = proto->lex_expect; + parser->lex_formbrack = proto->lex_formbrack; + parser->lex_inpat = proto->lex_inpat; + parser->lex_inwhat = proto->lex_inwhat; + parser->lex_op = proto->lex_op; + parser->lex_repl = sv_dup_inc(proto->lex_repl, param); + parser->lex_starts = proto->lex_starts; + parser->lex_stuff = sv_dup_inc(proto->lex_stuff, param); + parser->multi_close = proto->multi_close; + parser->multi_open = proto->multi_open; + parser->multi_start = proto->multi_start; + parser->pending_ident = proto->pending_ident; + parser->preambled = proto->preambled; + parser->sublex_info = proto->sublex_info; /* XXX not quite right */ + +#ifdef PERL_MAD + parser->endwhite = proto->endwhite; + parser->faketokens = proto->faketokens; + parser->lasttoke = proto->lasttoke; + parser->nextwhite = proto->nextwhite; + parser->realtokenstart = proto->realtokenstart; + parser->skipwhite = proto->skipwhite; + parser->thisclose = proto->thisclose; + parser->thismad = proto->thismad; + parser->thisopen = proto->thisopen; + parser->thisstuff = proto->thisstuff; + parser->thistoken = proto->thistoken; + parser->thiswhite = proto->thiswhite; +#endif + return parser; +} + /* duplicate a file handle */ @@ -11022,7 +11086,6 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_Argv = NULL; PL_Cmd = NULL; PL_gensym = proto_perl->Igensym; - PL_preambled = proto_perl->Ipreambled; PL_preambleav = av_dup_inc(proto_perl->Ipreambleav, param); PL_laststatval = proto_perl->Ilaststatval; PL_laststype = proto_perl->Ilaststype; @@ -11102,38 +11165,12 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, PL_cshname = proto_perl->Icshname; /* XXX never deallocated */ #endif + PL_parser = parser_dup(proto_perl->Iparser, param); + PL_lex_state = proto_perl->Ilex_state; - PL_lex_defer = proto_perl->Ilex_defer; - PL_lex_expect = proto_perl->Ilex_expect; - PL_lex_formbrack = proto_perl->Ilex_formbrack; - PL_lex_dojoin = proto_perl->Ilex_dojoin; - PL_lex_starts = proto_perl->Ilex_starts; - PL_lex_stuff = sv_dup_inc(proto_perl->Ilex_stuff, param); - PL_lex_repl = sv_dup_inc(proto_perl->Ilex_repl, param); - PL_lex_op = proto_perl->Ilex_op; - PL_lex_inpat = proto_perl->Ilex_inpat; - PL_lex_inwhat = proto_perl->Ilex_inwhat; - PL_lex_brackets = proto_perl->Ilex_brackets; - i = (PL_lex_brackets < 120 ? 120 : PL_lex_brackets); - PL_lex_brackstack = SAVEPVN(proto_perl->Ilex_brackstack,i); - PL_lex_casemods = proto_perl->Ilex_casemods; - i = (PL_lex_casemods < 12 ? 12 : PL_lex_casemods); - PL_lex_casestack = SAVEPVN(proto_perl->Ilex_casestack,i); #ifdef PERL_MAD Copy(proto_perl->Inexttoke, PL_nexttoke, 5, NEXTTOKE); - PL_lasttoke = proto_perl->Ilasttoke; - PL_realtokenstart = proto_perl->Irealtokenstart; - PL_faketokens = proto_perl->Ifaketokens; - PL_thismad = proto_perl->Ithismad; - PL_thistoken = proto_perl->Ithistoken; - PL_thisopen = proto_perl->Ithisopen; - PL_thisstuff = proto_perl->Ithisstuff; - PL_thisclose = proto_perl->Ithisclose; - PL_thiswhite = proto_perl->Ithiswhite; - PL_nextwhite = proto_perl->Inextwhite; - PL_skipwhite = proto_perl->Iskipwhite; - PL_endwhite = proto_perl->Iendwhite; PL_curforce = proto_perl->Icurforce; #else Copy(proto_perl->Inextval, PL_nextval, 5, YYSTYPE); @@ -11151,15 +11188,10 @@ perl_clone_using(PerlInterpreter *proto_perl, UV flags, i = proto_perl->Ilinestart - SvPVX_const(proto_perl->Ilinestr); PL_linestart = SvPVX(PL_linestr) + (i < 0 ? 0 : i); PL_bufend = SvPVX(PL_linestr) + SvCUR(PL_linestr); - PL_pending_ident = proto_perl->Ipending_ident; - PL_sublex_info = proto_perl->Isublex_info; /* XXX not quite right */ PL_expect = proto_perl->Iexpect; - PL_multi_start = proto_perl->Imulti_start; PL_multi_end = proto_perl->Imulti_end; - PL_multi_open = proto_perl->Imulti_open; - PL_multi_close = proto_perl->Imulti_close; PL_error_count = proto_perl->Ierror_count; PL_subline = proto_perl->Isubline; diff --git a/toke.c b/toke.c index 0a63cb6..1655918 100644 --- a/toke.c +++ b/toke.c @@ -28,6 +28,44 @@ /* YYINITDEPTH -- initial size of the parser's stacks. */ #define YYINITDEPTH 200 +/* XXX temporary backwards compatibility */ +#define PL_lex_brackets (PL_parser->lex_brackets) +#define PL_lex_brackstack (PL_parser->lex_brackstack) +#define PL_lex_casemods (PL_parser->lex_casemods) +#define PL_lex_casestack (PL_parser->lex_casestack) +#define PL_lex_defer (PL_parser->lex_defer) +#define PL_lex_dojoin (PL_parser->lex_dojoin) +#define PL_lex_expect (PL_parser->lex_expect) +#define PL_lex_formbrack (PL_parser->lex_formbrack) +#define PL_lex_inpat (PL_parser->lex_inpat) +#define PL_lex_inwhat (PL_parser->lex_inwhat) +#define PL_lex_op (PL_parser->lex_op) +#define PL_lex_repl (PL_parser->lex_repl) +#define PL_lex_starts (PL_parser->lex_starts) +#define PL_lex_stuff (PL_parser->lex_stuff) +#define PL_multi_start (PL_parser->multi_start) +#define PL_multi_open (PL_parser->multi_open) +#define PL_multi_close (PL_parser->multi_close) +#define PL_pending_ident (PL_parser->pending_ident) +#define PL_preambled (PL_parser->preambled) +#define PL_sublex_info (PL_parser->sublex_info) + +#ifdef PERL_MAD +# define PL_endwhite (PL_parser->endwhite) +# define PL_faketokens (PL_parser->faketokens) +# define PL_lasttoke (PL_parser->lasttoke) +# define PL_nextwhite (PL_parser->nextwhite) +# define PL_realtokenstart (PL_parser->realtokenstart) +# define PL_skipwhite (PL_parser->skipwhite) +# define PL_thisclose (PL_parser->thisclose) +# define PL_thismad (PL_parser->thismad) +# define PL_thisopen (PL_parser->thisopen) +# define PL_thisstuff (PL_parser->thisstuff) +# define PL_thistoken (PL_parser->thistoken) +# define PL_thiswhite (PL_parser->thiswhite) +#endif + + static const char ident_too_long[] = "Identifier too long"; static const char commaless_variable_list[] = "comma-less variable list"; @@ -571,6 +609,8 @@ S_cr_textfilter(pTHX_ int idx, SV *sv, int maxlen) } #endif + + /* * Perl_lex_start * Initialize variables. Uses the Perl save_stack to save its state (for @@ -587,7 +627,7 @@ Perl_lex_start(pTHX_ SV *line) /* create and initialise a parser */ - Newx(parser, 1, yy_parser); + Newxz(parser, 1, yy_parser); parser->old_parser = PL_parser; PL_parser = parser; @@ -601,35 +641,19 @@ Perl_lex_start(pTHX_ SV *line) /* initialise lexer state */ - SAVEI32(PL_lex_dojoin); SAVEI32(PL_lex_brackets); SAVEI32(PL_lex_casemods); - SAVEI32(PL_lex_starts); SAVEI32(PL_lex_state); - SAVEVPTR(PL_lex_inpat); - SAVEI32(PL_lex_inwhat); #ifdef PERL_MAD if (PL_lex_state == LEX_KNOWNEXT) { - I32 toke = PL_lasttoke; + I32 toke = parser->old_parser->lasttoke; while (--toke >= 0) { SAVEI32(PL_nexttoke[toke].next_type); SAVEVPTR(PL_nexttoke[toke].next_val); if (PL_madskills) SAVEVPTR(PL_nexttoke[toke].next_mad); } - SAVEI32(PL_lasttoke); - } - SAVESPTR(PL_endwhite); - SAVESPTR(PL_thistoken); - SAVESPTR(PL_thiswhite); - SAVESPTR(PL_nextwhite); - SAVESPTR(PL_thisopen); - SAVESPTR(PL_thisclose); - SAVESPTR(PL_thisstuff); - SAVEVPTR(PL_thismad); - SAVEI32(PL_realtokenstart); - SAVEI32(PL_faketokens); - SAVESPTR(PL_skipwhite); + } SAVEI32(PL_curforce); #else if (PL_lex_state == LEX_KNOWNEXT) { @@ -650,70 +674,17 @@ Perl_lex_start(pTHX_ SV *line) SAVEPPTR(PL_last_uni); SAVEPPTR(PL_linestart); SAVESPTR(PL_linestr); - SAVEGENERICPV(PL_lex_brackstack); - SAVEGENERICPV(PL_lex_casestack); SAVEDESTRUCTOR_X(restore_rsfp, PL_rsfp); - SAVESPTR(PL_lex_stuff); - SAVEI32(PL_lex_defer); - SAVEI32(PL_sublex_info.sub_inwhat); - SAVEI32(PL_sublex_info.super_state); - SAVEVPTR(PL_sublex_info.sub_op); - SAVEPPTR(PL_sublex_info.super_bufptr); - SAVEPPTR(PL_sublex_info.super_bufend); - SAVESPTR(PL_lex_repl); SAVEINT(PL_expect); - SAVEINT(PL_lex_expect); - SAVEI32(PL_lex_formbrack); - SAVEVPTR(PL_lex_op); - SAVEI32(PL_multi_close); - SAVEI32(PL_multi_open); - SAVEI32(PL_multi_start); - SAVEI8(PL_pending_ident); - SAVEBOOL(PL_preambled); PL_lex_state = LEX_NORMAL; - PL_lex_defer = 0; PL_expect = XSTATE; - PL_lex_brackets = 0; - Newx(PL_lex_brackstack, 120, char); - Newx(PL_lex_casestack, 12, char); - PL_lex_casemods = 0; - *PL_lex_casestack = '\0'; - PL_lex_dojoin = 0; - PL_lex_starts = 0; - PL_lex_stuff = NULL; - PL_lex_repl = NULL; - PL_lex_inpat = 0; -#ifdef PERL_MAD - PL_lasttoke = 0; - PL_endwhite = NULL; - PL_faketokens = 0; - PL_nextwhite = NULL; - PL_realtokenstart = 0; - PL_skipwhite = NULL; - PL_thisclose = NULL; - PL_thisopen = NULL; - PL_thisstuff = NULL; - PL_thistoken = NULL; - PL_thiswhite = NULL; - PL_thismad = NULL; -#else + Newx(parser->lex_brackstack, 120, char); + Newx(parser->lex_casestack, 12, char); + *parser->lex_casestack = '\0'; +#ifndef PERL_MAD PL_nexttoke = 0; #endif - PL_lex_inwhat = 0; - PL_sublex_info.sub_inwhat = 0; - PL_sublex_info.super_state = 0; - PL_sublex_info.sub_op = NULL; - PL_sublex_info.super_bufptr = NULL; - PL_sublex_info.super_bufend = NULL; - PL_lex_expect = 0; - PL_lex_formbrack = 0; - PL_lex_op = NULL; - PL_multi_close = 0; - PL_multi_open = 0; - PL_multi_start = 0; - PL_pending_ident = '\0'; - PL_preambled = FALSE; if (line) { s = SvPV_const(line, len);