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| author | Larry Wall <lwall@netlabs.com> | 1994-05-04 23:00:00 +0000 |
|---|---|---|
| committer | Larry Wall <lwall@netlabs.com> | 1994-05-04 23:00:00 +0000 |
| commit | 85e6fe838fb25b257a1b363debf8691c0992ef71 (patch) | |
| tree | fd5340cd6c3bbabfc21d3b0cac48e7ab3a481ebf /perly.y | |
| parent | 2304df62caa7d9be70e8b8bcdb454e139c9c103d (diff) | |
| download | perl-85e6fe838fb25b257a1b363debf8691c0992ef71.tar.gz | |
perl 5.0 alpha 9perl-5a9
[editor's note: the sparc executables have not been included,
and emacs backup files have been removed]
Diffstat (limited to 'perly.y')
| -rw-r--r-- | perly.y | 28 |
1 files changed, 19 insertions, 9 deletions
@@ -58,7 +58,7 @@ %token <opval> WORD METHOD THING PMFUNC PRIVATEREF %token <pval> LABEL -%token <ival> FORMAT SUB PACKAGE +%token <ival> FORMAT SUB PACKAGE HINT %token <ival> WHILE UNTIL IF UNLESS ELSE ELSIF CONTINUE FOR %token <ival> LOOPEX DOTDOT %token <ival> FUNC0 FUNC1 FUNC @@ -119,13 +119,13 @@ prog : /* NULL */ ; block : '{' remember lineseq '}' - { int nbs = needblockscope; + { int needblockscope = hints & HINT_BLOCK_SCOPE; $$ = scalarseq($3); if (copline > (line_t)$1) copline = $1; LEAVE_SCOPE($2); - if (nbs) - needblockscope = TRUE; /* propagate outward */ + if (needblockscope) + hints |= HINT_BLOCK_SCOPE; /* propagate out */ pad_leavemy(comppad_name_fill); } ; @@ -136,8 +136,8 @@ remember: /* NULL */ /* in case they push a package name */ SAVEINT(max_intro_pending); min_intro_pending = 0; SAVEINT(comppad_name_fill); - SAVEINT(needblockscope); - needblockscope = FALSE; } + SAVEINT(hints); + hints &= ~HINT_BLOCK_SCOPE; } ; lineseq : /* NULL */ @@ -147,7 +147,7 @@ lineseq : /* NULL */ | lineseq line { $$ = append_list(OP_LINESEQ, (LISTOP*)$1, (LISTOP*)$2); pad_reset(); - if ($1 && $2) needblockscope = TRUE; } + if ($1 && $2) hints |= HINT_BLOCK_SCOPE; } ; line : label cond @@ -187,7 +187,8 @@ else : /* NULL */ { $$ = scope($2); } | ELSIF '(' expr ')' block else { copline = $1; - $$ = newCONDOP(0, $3, scope($5), $6); } + $$ = newSTATEOP(0, 0, + newCONDOP(0, $3, scope($5), $6)); } ; cond : IF '(' expr ')' block else @@ -272,6 +273,8 @@ decl : format { $$ = 0; } | package { $$ = 0; } + | hint + { $$ = 0; } ; format : FORMAT WORD block @@ -292,6 +295,12 @@ package : PACKAGE WORD ';' { package(Nullop); } ; +hint : HINT WORD ';' + { hint($1, $2, Nullop); } + | HINT WORD expr ';' + { hint($1, $2, list(force_list($3))); } + ; + expr : expr ',' sexpr { $$ = append_elem(OP_LIST, $1, $3); } | sexpr @@ -524,7 +533,8 @@ term : '-' term %prec UMINUS scalar(newCVREF(scalar($2))), $4))); } | LOOPEX - { $$ = newOP($1, OPf_SPECIAL); needblockscope = TRUE; } + { $$ = newOP($1, OPf_SPECIAL); + hints |= HINT_BLOCK_SCOPE; } | LOOPEX sexpr { $$ = newLOOPEX($1,$2); } | UNIOP |