diff options
Diffstat (limited to 'perl_checker.src/parser.mly')
| -rw-r--r-- | perl_checker.src/parser.mly | 178 |
1 files changed, 90 insertions, 88 deletions
diff --git a/perl_checker.src/parser.mly b/perl_checker.src/parser.mly index 90eab90..7d7948a 100644 --- a/perl_checker.src/parser.mly +++ b/perl_checker.src/parser.mly @@ -115,8 +115,8 @@ line: | BRACKET lines BRACKET_END {check_block_sub $2 $3; [Block(fst $2)], sp_pos_range $1 $3} if_then_else: /* Real conditional expressions */ -| IF PAREN expr PAREN_END BRACKET lines BRACKET_END elsif else_ {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; Call_op("if", prio_lo P_loose $3 :: Block(fst $6) :: fst $8 @ fst $9), sp_pos_range $1 $9} -| UNLESS PAREN expr PAREN_END BRACKET lines BRACKET_END elsif else_ {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; Call_op("unless", prio_lo P_loose $3 :: Block(fst $6) :: fst $8 @ fst $9), sp_pos_range $1 $9} +| IF PAREN expr PAREN_END BRACKET lines BRACKET_END elsif else_ {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; to_Call_op("if", prio_lo P_loose $3 :: Block(fst $6) :: fst $8 @ fst $9) (sp_pos_range $1 $9)} +| UNLESS PAREN expr PAREN_END BRACKET lines BRACKET_END elsif else_ {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; to_Call_op("unless", prio_lo P_loose $3 :: Block(fst $6) :: fst $8 @ fst $9) (sp_pos_range $1 $9)} elsif: | {[], (Space_none, bpos)} @@ -127,12 +127,12 @@ else_: | ELSE BRACKET lines BRACKET_END {sp_p($1); sp_n($2); check_block_sub $3 $4; [Block(fst $3)], sp_pos_range $1 $4} loop: -| WHILE PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; Call_op("while", [ prio_lo P_loose $3; Block(fst $6) ]), sp_pos_range $1 $8} -| UNTIL PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; Call_op("until", [ prio_lo P_loose $3; Block(fst $6) ]), sp_pos_range $1 $8} -| FOR PAREN expr_or_empty semi_colon expr_or_empty semi_colon expr_or_empty PAREN_END BRACKET lines BRACKET_END {sp_p($1); check_for($1); sp_n($2); sp_0($3); sp_p($5); sp_p($7); sp_0($8); sp_n($9); check_block_sub $10 $11; Call_op("for", [ fst $3; fst $5; fst $7; Block(fst $10) ]), sp_pos_range $1 $11} +| WHILE PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; to_Call_op("while", [ prio_lo P_loose $3; Block(fst $6) ]) (sp_pos_range $1 $8)} +| UNTIL PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; to_Call_op("until", [ prio_lo P_loose $3; Block(fst $6) ]) (sp_pos_range $1 $8)} +| FOR PAREN expr_or_empty semi_colon expr_or_empty semi_colon expr_or_empty PAREN_END BRACKET lines BRACKET_END {sp_p($1); check_for($1); sp_n($2); sp_0($3); sp_p($5); sp_p($7); sp_0($8); sp_n($9); check_block_sub $10 $11; to_Call_op("for", [ fst $3; fst $5; fst $7; Block(fst $10) ]) (sp_pos_range $1 $11)} | FOR SCALAR_IDENT PAREN expr PAREN_END BRACKET lines BRACKET_END cont { die_rule "don't use for without \"my\"ing the iteration variable" } -| FOR PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; check_foreach($1); Call_op("foreach", [ prio_lo P_loose $3; Block(fst $6) ]), sp_pos_range $1 $8} -| for_my lines BRACKET_END cont {check_block_sub $2 $3; Call_op("foreach my", fst $1 @ [ Block(fst $2) ]), sp_pos_range $1 $4} +| FOR PAREN expr PAREN_END BRACKET lines BRACKET_END cont {sp_p($1); sp_n($2); sp_0($3); sp_0_or_cr($4); sp_p($5); check_block_sub $6 $7; check_for_foreach $1 $3; to_Call_op("foreach", [ prio_lo P_loose $3; Block(fst $6) ]) (sp_pos_range $1 $8)} +| for_my lines BRACKET_END cont {check_block_sub $2 $3; to_Call_op("foreach my", fst $1 @ [ Block(fst $2) ]) (sp_pos_range $1 $4)} for_my: | FOR MY_OUR SCALAR_IDENT PAREN expr PAREN_END BRACKET {sp_p($1); check_my($2); check_foreach($1); sp_n($4); sp_0($5); sp_0_or_cr($6); sp_p($7); [ My_our(fst $2, [I_scalar, sndfst $3], get_pos $3); prio_lo P_loose $5 ], sp_pos_range $1 $7} @@ -144,11 +144,11 @@ cont: /* Continue blocks */ sideff: /* An expression which may have a side-effect */ | expr {sndfst $1, snd $1} -| expr IF expr {sp_p($2); sp_p($3); Call_op("if infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]), sp_pos_range $1 $3} -| expr UNLESS expr {sp_p($2); sp_p($3); Call_op("unless infix", [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]), sp_pos_range $1 $3} -| expr WHILE expr {sp_p($2); sp_p($3); Call_op("while infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]), sp_pos_range $1 $3} -| expr UNTIL expr {sp_p($2); sp_p($3); Call_op("until infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]), sp_pos_range $1 $3} -| expr FOR expr {sp_p($2); sp_p($3); check_foreach($2); Call_op("for infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]), sp_pos_range $1 $3} +| expr IF expr {sp_p($2); sp_p($3); call_op_if_infix (prio_lo P_loose $1) (prio_lo P_loose $3) (sp_pos_range $1 $3)} +| expr UNLESS expr {sp_p($2); sp_p($3); call_op_unless_infix (prio_lo P_loose $1) (prio_lo P_loose $3) (sp_pos_range $1 $3)} +| expr WHILE expr {sp_p($2); sp_p($3); to_Call_op("while infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]) (sp_pos_range $1 $3)} +| expr UNTIL expr {sp_p($2); sp_p($3); to_Call_op("until infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]) (sp_pos_range $1 $3)} +| expr FOR expr {sp_p($2); sp_p($3); check_foreach($2); to_Call_op("for infix" , [ prio_lo P_loose $1 ; prio_lo P_loose $3 ]) (sp_pos_range $1 $3)} decl: | FORMAT BAREWORD ASSIGN {Too_complex, sp_pos_range $1 $3} @@ -185,8 +185,8 @@ listexpr: /* Basic list expressions */ | argexpr %prec PREC_LOW {$1} expr: /* Ordinary expressions; logical combinations */ -| expr AND expr {sp_p($2); sp_p($3); (P_and, Call_op("and", [ prio_lo P_and $1; prio_lo_after P_and $3 ])), sp_pos_range $1 $3} -| expr OR expr {sp_p($2); sp_p($3); (P_or, Call_op("or", [ prio_lo P_or $1; prio_lo_after P_or $3 ])), sp_pos_range $1 $3} +| expr AND expr {sp_p($2); sp_p($3); to_Call_op_(P_and, "and", [ prio_lo P_and $1; prio_lo_after P_and $3 ]) (sp_pos_range $1 $3)} +| expr OR expr {sp_p($2); sp_p($3); to_Call_op_(P_or, "or", [ prio_lo P_or $1; prio_lo_after P_or $3 ]) (sp_pos_range $1 $3)} | argexpr %prec PREC_LOW {(fstfst $1, List(sndfst $1)), snd $1} argexpr: /* Expressions are a list of terms joined by commas */ @@ -197,31 +197,32 @@ argexpr: /* Expressions are a list of terms joined by commas */ /********************************************************************************/ term: -| term ASSIGN term {let pri = P_assign in call_op(op pri (fst $2) $2, $3, [sndfst $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term PLUS term {let pri = P_add in call_op(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term COMPARE_OP term {let pri = P_cmp in call_op(op_p pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term LT term {let pri = P_cmp in call_op(op_p pri "<" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term GT term {let pri = P_cmp in call_op(op_p pri ">" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term EQ_OP term {let pri = P_eq in call_op(op_p pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term POWER term {let pri = P_tight in call_op(op pri "**" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term BIT_AND term {let pri = P_expr in call_op(op_p pri "&" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term BIT_OR term {let pri = P_expr in call_op(op pri "|" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term BIT_XOR term {let pri = P_expr in call_op(op_p pri "^" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term AND_TIGHT term {let pri = P_tight_and in call_op(op_p pri "&&" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term OR_TIGHT term {let pri = P_tight_or in call_op(op_p pri "||" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term MULT term {let pri = P_mul in call_op(op pri (fst $2) $2, $3, [prio_lo_concat $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term DOTDOT term {let pri = P_paren_wanted P_expr in call_op(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term BIT_SHIFT term {let pri = P_paren_wanted P_tight in call_op(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} -| term XOR term {let pri = P_paren_wanted P_expr in call_op(op_p pri "xor" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]), sp_pos_range $1 $3} - -| term ASSIGN BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op(op_p P_assign (fst $2) $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]), sp_pos_range $1 $5} -| term AND_TIGHT BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op(op_p P_tight_and "&&" $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]), sp_pos_range $1 $5} -| term OR_TIGHT BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op(op_p P_tight_or "||" $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]), sp_pos_range $1 $5} - - -| term PATTERN_MATCH PATTERN {sp_n($2); sp_p($3); (P_expr, Call_op("m//", sndfst $1 :: from_PATTERN $3)), sp_pos_range $1 $3} -| term PATTERN_MATCH_NOT PATTERN {sp_n($2); sp_p($3); (P_expr, Call_op("!m//", sndfst $1 :: from_PATTERN $3)), sp_pos_range $1 $3} -| term PATTERN_MATCH PATTERN_SUBST {sp_n($2); sp_p($3); (P_expr, Call_op("s///", sndfst $1 :: from_PATTERN_SUBST $3)), sp_pos_range $1 $3} +| term ASSIGN term {let pri = P_assign in call_op_(op pri (fst $2) $2, $3, [sndfst $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term PLUS term {let pri = P_add in call_op_(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term COMPARE_OP term {let pri = P_cmp in call_op_(op_p pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term LT term {let pri = P_cmp in call_op_(op_p pri "<" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term GT term {let pri = P_cmp in call_op_(op_p pri ">" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term EQ_OP term {let pri = P_eq in call_op_(op_p pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term POWER term {let pri = P_tight in call_op_(op pri "**" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term BIT_AND term {let pri = P_expr in call_op_(op_p pri "&" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term BIT_OR term {let pri = P_expr in call_op_(op pri "|" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term BIT_XOR term {let pri = P_expr in call_op_(op_p pri "^" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term AND_TIGHT term {let pri = P_tight_and in call_op_(op_p pri "&&" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term OR_TIGHT term {let pri = P_tight_or in call_op_(op_p pri "||" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term MULT term {let pri = P_mul in call_op_(op pri (fst $2) $2, $3, [prio_lo_concat $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term DOTDOT term {let pri = P_paren_wanted P_expr in call_op_(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term BIT_SHIFT term {let pri = P_paren_wanted P_tight in call_op_(op pri (fst $2) $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} +| term XOR term {let pri = P_paren_wanted P_expr in call_op_(op_p pri "xor" $2, $3, [prio_lo pri $1; prio_lo_after pri $3]) (sp_pos_range $1 $3)} + +| term ASSIGN BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op_(op_p P_assign (fst $2) $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]) (sp_pos_range $1 $5)} +| term AND_TIGHT BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op_(op_p P_tight_and "&&" $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]) (sp_pos_range $1 $5)} +| term OR_TIGHT BRACKET expr BRACKET_END {sp_p($3); sp_p($4); sp_p($5); call_op_(op_p P_tight_or "||" $2, $3, [prio_lo P_assign $1; Ref(I_hash, sndfst $4)]) (sp_pos_range $1 $5)} + + +| term PATTERN_MATCH PATTERN {sp_n($2); sp_p($3); check_unneeded_var_dollar_ ($1); to_Call_op_(P_expr, "m//", sndfst $1 :: from_PATTERN $3) (sp_pos_range $1 $3)} +| term PATTERN_MATCH_NOT PATTERN {sp_n($2); sp_p($3); check_unneeded_var_dollar_s ($1); to_Call_op_(P_expr, "!m//", sndfst $1 :: from_PATTERN $3) (sp_pos_range $1 $3)} +| term PATTERN_MATCH PATTERN_SUBST {sp_n($2); sp_p($3); check_unneeded_var_dollar_not($1); to_Call_op_(P_expr, "s///", sndfst $1 :: from_PATTERN_SUBST $3) (sp_pos_range $1 $3)} +| term PATTERN_MATCH_NOT PATTERN_SUBST {die_with_rawpos (sndsnd $2) "use =~ instead of !~ and negate the return value"} | term PATTERN_MATCH scalar { (P_expr, Too_complex), sp_pos_range $1 $3} | term PATTERN_MATCH_NOT scalar { (P_expr, Too_complex), sp_pos_range $1 $3} @@ -232,28 +233,28 @@ term: | term PATTERN_MATCH_NOT STRING {die_with_rawpos (sndsnd $3) "use a regexp, not a string"} -| term QUESTION_MARK term COLON term {sp_p($2); sp_p($3); sp_p($4); sp_p($5); (P_ternary, Call_op("?:", [ prio_lo P_ternary $1 ; prio_lo_after P_ternary $3; prio_lo_after P_ternary $5])), sp_pos_range $1 $5} -| term QUESTION_MARK term COLON BRACKET expr BRACKET_END {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); (P_ternary, Call_op("?:", [ prio_lo P_ternary $1 ; prio_lo_after P_ternary $3; sndfst $6])), sp_pos_range $1 $7} -| term QUESTION_MARK BRACKET expr BRACKET_END COLON term {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); (P_ternary, Call_op("?:", [ prio_lo P_ternary $1 ; sndfst $4; prio_lo_after P_ternary $7])), sp_pos_range $1 $7} -| term QUESTION_MARK BRACKET expr BRACKET_END COLON BRACKET expr BRACKET_END {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); sp_p($8); sp_p($9); (P_ternary, Call_op("?:", [ prio_lo P_ternary $1 ; sndfst $4; sndfst $8])), sp_pos_range $1 $9} +| term QUESTION_MARK term COLON term {sp_p($2); sp_p($3); sp_p($4); sp_p($5); to_Call_op_(P_ternary, "?:", [ prio_lo P_ternary $1 ; prio_lo_after P_ternary $3; prio_lo_after P_ternary $5]) (sp_pos_range $1 $5)} +| term QUESTION_MARK term COLON BRACKET expr BRACKET_END {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); to_Call_op_(P_ternary, "?:", [ prio_lo P_ternary $1 ; prio_lo_after P_ternary $3; sndfst $6]) (sp_pos_range $1 $7)} +| term QUESTION_MARK BRACKET expr BRACKET_END COLON term {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); to_Call_op_(P_ternary, "?:", [ prio_lo P_ternary $1 ; sndfst $4; prio_lo_after P_ternary $7]) (sp_pos_range $1 $7)} +| term QUESTION_MARK BRACKET expr BRACKET_END COLON BRACKET expr BRACKET_END {sp_p($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); sp_p($7); sp_p($8); sp_p($9); to_Call_op_(P_ternary, "?:", [ prio_lo P_ternary $1 ; sndfst $4; sndfst $8]) (sp_pos_range $1 $9)} /* Unary operators and terms */ -| PLUS term %prec UNARY_MINUS {if fst $1 <> "-" then die_rule "syntax error"; sp_0($2); (P_tight, Call_op("- unary", [sndfst $2])), sp_pos_range $1 $2} -| TIGHT_NOT term {(P_tight, Call_op("not", [sndfst $2])), sp_pos_range $1 $2} -| BIT_NEG term {(P_expr, Call_op("~", [sndfst $2])), sp_pos_range $1 $2} -| INCR term {sp_0($2); (P_tight, Call_op("++", [sndfst $2])), sp_pos_range $1 $2} -| DECR term {sp_0($2); (P_tight, Call_op("--", [sndfst $2])), sp_pos_range $1 $2} -| term INCR {sp_0($2); (P_tight, Call_op("++ post", [sndfst $1])), sp_pos_range $1 $2} -| term DECR {sp_0($2); (P_tight, Call_op("-- post", [sndfst $1])), sp_pos_range $1 $2} -| NOT argexpr {(P_and, Call_op("not", sndfst $2)), sp_pos_range $1 $2} +| PLUS term %prec UNARY_MINUS {if fst $1 <> "-" then die_rule "syntax error"; sp_0($2); to_Call_op_(P_tight, "- unary", [sndfst $2]) (sp_pos_range $1 $2)} +| TIGHT_NOT term {to_Call_op_(P_tight, "not", [sndfst $2]) (sp_pos_range $1 $2)} +| BIT_NEG term {to_Call_op_(P_expr, "~", [sndfst $2]) (sp_pos_range $1 $2)} +| INCR term {sp_0($2); to_Call_op_(P_tight, "++", [sndfst $2]) (sp_pos_range $1 $2)} +| DECR term {sp_0($2); to_Call_op_(P_tight, "--", [sndfst $2]) (sp_pos_range $1 $2)} +| term INCR {sp_0($2); to_Call_op_(P_tight, "++ post", [sndfst $1]) (sp_pos_range $1 $2)} +| term DECR {sp_0($2); to_Call_op_(P_tight, "-- post", [sndfst $1]) (sp_pos_range $1 $2)} +| NOT argexpr {to_Call_op_(P_and, "not", sndfst $2) (sp_pos_range $1 $2)} | ONE_SCALAR_PARA RAW_STRING {call_one_scalar_para $1 [to_Raw_string $2], sp_pos_range $1 $2} -| ONE_SCALAR_PARA STRING {call_one_scalar_para $1 [to_String $2], sp_pos_range $1 $2} +| ONE_SCALAR_PARA STRING {call_one_scalar_para $1 [to_String true $2], sp_pos_range $1 $2} | ONE_SCALAR_PARA variable {call_one_scalar_para $1 [fst $2], sp_pos_range $1 $2} | ONE_SCALAR_PARA restricted_subscripted {call_one_scalar_para $1 [fst $2], sp_pos_range $1 $2} | ONE_SCALAR_PARA parenthesized {call_one_scalar_para $1 (sndfst $2), sp_pos_range $1 $2} -| ONE_SCALAR_PARA word_paren parenthesized {call_one_scalar_para $1 [Call(Deref(I_func, fst $2), sndfst $3)], sp_pos_range $1 $3} +| ONE_SCALAR_PARA word_paren parenthesized {call_one_scalar_para $1 [call(Deref(I_func, fst $2), sndfst $3)], sp_pos_range $1 $3} /* Constructors for anonymous data */ @@ -273,40 +274,40 @@ term: | LOCAL term %prec UNIOP {sp_n($2); (P_expr, to_Local $2), sp_pos_range $1 $2} | parenthesized {(fstfst $1, List(sndfst $1)), snd $1} /* (1, 2) */ -| parenthesized arrayref {sp_0($2); (P_tok, Deref_with(I_array, List(sndfst $1), List(fst $2))), sp_pos_range $1 $2} /* list slice */ +| parenthesized arrayref {sp_0($2); (P_tok, to_Deref_with(I_array, (if is_only_one_in_List(fst $2) then I_scalar else I_array), List(sndfst $1), List(fst $2))), sp_pos_range $1 $2} /* list indexing or slicing */ | variable {(P_tok, fst $1), snd $1} | subscripted {(P_tok, fst $1), snd $1} -| array arrayref {(P_expr, Deref_with(I_array, from_array $1, List(fst $2))), sp_pos_range $1 $2} /* array slice: @array[vals] */ -| array BRACKET expr BRACKET_END {sp_0($2); sp_0($3); sp_0($4); (P_expr, Deref_with(I_hash, from_array $1, sndfst $3)), sp_pos_range $1 $4} /* hash slice: @hash{@keys} */ +| array arrayref {(P_expr, to_Deref_with(I_array, I_array, from_array $1, List(fst $2))), sp_pos_range $1 $2} /* array slice: @array[vals] */ +| array BRACKET expr BRACKET_END {sp_0($2); sp_0($3); sp_0($4); (P_expr, to_Deref_with(I_hash, I_array, from_array $1, sndfst $3)), sp_pos_range $1 $4} /* hash slice: @hash{@keys} */ /* function_calls */ | func parenthesized {sp_0($2); (P_tok, call_func true (fst $1, sndfst $2)), sp_pos_range $1 $2} /* &foo(@args) */ | word argexpr {check_parenthesized_first_argexpr (string_of_Ident (fst $1)) $2; (P_call_no_paren, call(Deref(I_func, fst $1), sndfst $2)), sp_pos_range $1 $2} /* foo $a, $b */ -| word_paren parenthesized {(P_tok, call(Deref(I_func, fst $1), sndfst $2)), sp_pos_range $1 $2} /* foo(@args) */ +| word_paren parenthesized {sp_0($2); (P_tok, call(Deref(I_func, fst $1), sndfst $2)), sp_pos_range $1 $2} /* foo(@args) */ | word BRACKET lines BRACKET_END listexpr %prec LSTOP {sp_n($2); check_block_sub $3 $4; ((if sndfst $5 = [] then P_tok else P_call_no_paren), call(Deref(I_func, fst $1), anonymous_sub(fst $3) :: sndfst $5)), sp_pos_range $1 $5} /* map { foo } @bar */ | word BRACKET BRACKET expr BRACKET_END BRACKET_END listexpr %prec LSTOP {sp_n($2); sp_p($3); sp_p($4); sp_p($5); sp_p($6); ((if sndfst $7 = [] then P_tok else P_call_no_paren), call(Deref(I_func, fst $1), anonymous_sub [ Ref(I_hash, sndfst $4) ] :: sndfst $7)), sp_pos_range $1 $7} /* map { { foo } } @bar */ | word BRACKET BRACKET expr BRACKET_END semi_colon BRACKET_END listexpr %prec LSTOP {sp_n($2); sp_p($3); sp_p($4); sp_p($5); sp_p($7); ((if sndfst $8 = [] then P_tok else P_call_no_paren), call(Deref(I_func, fst $1), anonymous_sub [ Ref(I_hash, sndfst $4); Semi_colon ] :: sndfst $8)), sp_pos_range $1 $8} /* map { { foo }; } @bar */ -| term ARROW word_or_scalar parenthesized {sp_0($2); sp_0($3); sp_0($4); (P_tok, to_Method_callP(sndfst $1, fst $3, sndfst $4)), sp_pos_range $1 $4} /* $foo->bar(list) */ -| term ARROW word_or_scalar {sp_0($2); sp_0($3); (P_tok, to_Method_callP(sndfst $1, fst $3, [])), sp_pos_range $1 $3} /* $foo->bar */ -| term ARROW MULT parenthesized {check_MULT_is_x $3; sp_0($2); sp_0($3); sp_0($4); (P_tok, to_Method_callP(sndfst $1, Ident(None, "x", get_pos $3), sndfst $4)), sp_pos_range $1 $4} /* $foo->bar(list) */ -| term ARROW MULT {check_MULT_is_x $3; sp_0($2); sp_0($3); (P_tok, to_Method_callP(sndfst $1, Ident(None, "x", get_pos $3), [])), sp_pos_range $1 $3} /* $foo->bar */ +| term ARROW word_or_scalar parenthesized {sp_0($2); sp_0($3); sp_0($4); (P_tok, to_Method_call(sndfst $1, fst $3, sndfst $4)), sp_pos_range $1 $4} /* $foo->bar(list) */ +| term ARROW word_or_scalar {sp_0($2); sp_0($3); (P_tok, to_Method_call(sndfst $1, fst $3, [])), sp_pos_range $1 $3} /* $foo->bar */ +| term ARROW MULT parenthesized {check_MULT_is_x $3; sp_0($2); sp_0($3); sp_0($4); (P_tok, to_Method_call(sndfst $1, Ident(None, "x", get_pos $3), sndfst $4)), sp_pos_range $1 $4} /* $foo->bar(list) */ +| term ARROW MULT {check_MULT_is_x $3; sp_0($2); sp_0($3); (P_tok, to_Method_call(sndfst $1, Ident(None, "x", get_pos $3), [])), sp_pos_range $1 $3} /* $foo->bar */ | NEW word { sp_n($2); (P_call_no_paren, to_Method_call(fst $2, Ident(None, "new", get_pos $1), [])), sp_pos_range $1 $2} /* new Class */ | NEW word_paren parenthesized { sp_n($2); sp_0($3); (P_call_no_paren, to_Method_call(fst $2, Ident(None, "new", get_pos $1), sndfst $3)), sp_pos_range $1 $3} /* new Class(...) */ | NEW word terminal { die_rule "you must parenthesize parameters: \"new Class(...)\" instead of \"new Class ...\"" } | NEW word variable { die_rule "you must parenthesize parameters: \"new Class(...)\" instead of \"new Class ...\"" } -| PRINT { (P_call_no_paren, Call_op(fst $1, var_STDOUT :: [ var_dollar_ ])), snd $1} -| PRINT argexpr {check_parenthesized_first_argexpr (fst $1) $2; (P_call_no_paren, Call_op(fst $1, var_STDOUT :: sndfst $2)), sp_pos_range $1 $2} -| PRINT_TO_SCALAR { (P_call_no_paren, Call_op(fstfst $1, var_STDOUT :: [ Deref(I_scalar, Ident(None, sndfst $1, get_pos $1)) ])), snd $1} -| PRINT_TO_SCALAR argexpr { (P_call_no_paren, Call_op(fstfst $1, Deref(I_scalar, Ident(None, sndfst $1, get_pos $1)) :: sndfst $2)), sp_pos_range $1 $2} -| PRINT_TO_STAR { (P_call_no_paren, Call_op(fstfst $1, Deref(I_star, Ident(None, sndfst $1, get_pos $1)) :: [ var_dollar_ ])), snd $1} -| PRINT_TO_STAR argexpr { (P_call_no_paren, Call_op(fstfst $1, Deref(I_star, Ident(None, sndfst $1, get_pos $1)) :: sndfst $2)), sp_pos_range $1 $2} +| PRINT { to_Call_op_(P_call_no_paren, fst $1, var_STDOUT :: [ var_dollar_ ]) (snd $1)} +| PRINT argexpr {check_parenthesized_first_argexpr (fst $1) $2; to_Call_op_(P_call_no_paren, fst $1, var_STDOUT :: sndfst $2) (sp_pos_range $1 $2)} +| PRINT_TO_SCALAR { to_Call_op_(P_call_no_paren, fstfst $1, var_STDOUT :: [ Deref(I_scalar, Ident(None, sndfst $1, get_pos $1)) ]) (snd $1)} +| PRINT_TO_SCALAR argexpr { to_Call_op_(P_call_no_paren, fstfst $1, Deref(I_scalar, Ident(None, sndfst $1, get_pos $1)) :: sndfst $2) (sp_pos_range $1 $2)} +| PRINT_TO_STAR { to_Call_op_(P_call_no_paren, fstfst $1, Deref(I_star, Ident(None, sndfst $1, get_pos $1)) :: [ var_dollar_ ]) (snd $1)} +| PRINT_TO_STAR argexpr { to_Call_op_(P_call_no_paren, fstfst $1, Deref(I_star, Ident(None, sndfst $1, get_pos $1)) :: sndfst $2) (sp_pos_range $1 $2)} | hash PKG_SCOPE {sp_0($2); (P_tok, Too_complex), sp_pos_range $1 $2} /* %main:: */ @@ -315,38 +316,39 @@ term: terminal: | word {(P_tok, check_word_alone $1), snd $1} | NUM {(P_tok, Num(fst $1, get_pos $1)), snd $1} -| STRING {(P_tok, to_String $1), snd $1} +| STRING {(P_tok, to_String true $1), snd $1} | RAW_STRING {(P_tok, to_Raw_string $1), snd $1} | REVISION {(P_tok, to_Raw_string $1), snd $1} -| COMMAND_STRING {(P_expr, Call_op("``", [to_String $1])), snd $1} -| QUOTEWORDS {(P_tok, Call_op("qw", [to_Raw_string $1])), snd $1} +| COMMAND_STRING {to_Call_op_(P_expr, "``", [to_String false $1]) (snd $1)} +| QUOTEWORDS {to_Call_op_(P_tok, "qw", [to_Raw_string $1]) (snd $1)} | HERE_DOC {(P_tok, String([], raw_pos2pos (sndfst $1))), snd $1} | RAW_HERE_DOC {(P_tok, Raw_string(fstfst $1, raw_pos2pos (sndfst $1))), snd $1} -| PATTERN {(P_expr, Call_op("m//", var_dollar_ :: from_PATTERN $1)), snd $1} -| PATTERN_SUBST {(P_expr, Call_op("s///", var_dollar_ :: from_PATTERN_SUBST $1)), snd $1} +| PATTERN {to_Call_op_(P_expr, "m//", var_dollar_ :: from_PATTERN $1) (snd $1)} +| PATTERN_SUBST {to_Call_op_(P_expr, "s///", var_dollar_ :: from_PATTERN_SUBST $1) (snd $1)} | diamond {(P_expr, fst $1), snd $1} diamond: -| LT GT {sp_0($2); Call_op("<>", []), sp_pos_range $1 $2} -| LT term GT {sp_0($2); sp_0($3); Call_op("<>", [sndfst $2]), sp_pos_range $1 $3} +| LT GT {sp_0($2); to_Call_op("<>", []) (sp_pos_range $1 $2)} +| LT term GT {sp_0($2); sp_0($3); to_Call_op("<>", [sndfst $2]) (sp_pos_range $1 $3)} subscripted: /* Some kind of subscripted expression */ | variable PKG_SCOPE bracket_subscript {sp_0($2); sp_0($3); Too_complex, sp_pos_range $1 $3} /* $foo::{something} */ -| scalar bracket_subscript {sp_0($2); Deref_with(I_hash , from_scalar $1, fst $2), sp_pos_range $1 $2} /* $foo{bar} */ -| scalar arrayref {sp_0($2); Deref_with(I_array, from_scalar $1, only_one $2), sp_pos_range $1 $2} /* $array[$element] */ -| term ARROW bracket_subscript {sp_0($2); sp_0($3); Deref_with(I_hash , sndfst $1, fst $3), sp_pos_range $1 $3} /* somehref->{bar} */ -| term ARROW arrayref {sp_0($2); sp_0($3); Deref_with(I_array, sndfst $1, only_one $3), sp_pos_range $1 $3} /* somearef->[$element] */ -| term ARROW parenthesized {sp_0($2); sp_0($3); Deref_with(I_func , sndfst $1, List(sndfst $3)), sp_pos_range $1 $3} /* $subref->(@args) */ -| subscripted bracket_subscript {sp_0($2); Deref_with(I_hash , fst $1, fst $2), sp_pos_range $1 $2} /* $foo->[bar]{baz} */ -| subscripted arrayref {sp_0($2); Deref_with(I_array, fst $1, only_one $2), sp_pos_range $1 $2} /* $foo->[$bar][$baz] */ -| subscripted parenthesized {sp_0($2); Deref_with(I_func , fst $1, List(sndfst $2)), sp_pos_range $1 $2} /* $foo->{bar}(@args) */ +| scalar bracket_subscript {sp_0($2); to_Deref_with(I_hash , I_scalar, from_scalar $1, fst $2), sp_pos_range $1 $2} /* $foo{bar} */ +| scalar arrayref {sp_0($2); to_Deref_with(I_array, I_scalar, from_scalar $1, only_one $2), sp_pos_range $1 $2} /* $array[$element] */ +| term ARROW bracket_subscript {sp_0($2); sp_0($3); check_arrow_needed $1 $2; to_Deref_with(I_hash , I_scalar, sndfst $1, fst $3), sp_pos_range $1 $3} /* somehref->{bar} */ +| term ARROW arrayref {sp_0($2); sp_0($3); check_arrow_needed $1 $2; to_Deref_with(I_array, I_scalar, sndfst $1, only_one $3), sp_pos_range $1 $3} /* somearef->[$element] */ +| term ARROW parenthesized {sp_0($2); sp_0($3); to_Deref_with(I_func , I_scalar, sndfst $1, List(sndfst $3)), sp_pos_range $1 $3} /* $subref->(@args) */ +| subscripted bracket_subscript {sp_0($2); to_Deref_with(I_hash , I_scalar, fst $1, fst $2), sp_pos_range $1 $2} /* $foo->[bar]{baz} */ +| subscripted arrayref {sp_0($2); to_Deref_with(I_array, I_scalar, fst $1, only_one $2), sp_pos_range $1 $2} /* $foo->[$bar][$baz] */ +| subscripted parenthesized {sp_0($2); to_Deref_with(I_func , I_scalar, fst $1, List(sndfst $2)), sp_pos_range $1 $2} /* $foo->{bar}(@args) */ restricted_subscripted: /* Some kind of subscripted expression */ -| scalar bracket_subscript {sp_0($2); Deref_with(I_hash , from_scalar $1, fst $2), sp_pos_range $1 $2} /* $foo{bar} */ -| scalar arrayref {sp_0($2); Deref_with(I_array, from_scalar $1, only_one $2), sp_pos_range $1 $2} /* $array[$element] */ -| restricted_subscripted bracket_subscript {sp_0($2); Deref_with(I_hash , fst $1, fst $2), sp_pos_range $1 $2} /* $foo->[bar]{baz} */ -| restricted_subscripted arrayref {sp_0($2); Deref_with(I_array, fst $1, only_one $2), sp_pos_range $1 $2} /* $foo->[$bar][$baz] */ -| restricted_subscripted parenthesized {sp_0($2); Deref_with(I_func , fst $1, List(sndfst $2)), sp_pos_range $1 $2} /* $foo->{bar}(@args) */ +| variable PKG_SCOPE bracket_subscript {sp_0($2); sp_0($3); Too_complex, sp_pos_range $1 $3} /* $foo::{something} */ +| scalar bracket_subscript {sp_0($2); to_Deref_with(I_hash , I_scalar, from_scalar $1, fst $2), sp_pos_range $1 $2} /* $foo{bar} */ +| scalar arrayref {sp_0($2); to_Deref_with(I_array, I_scalar, from_scalar $1, only_one $2), sp_pos_range $1 $2} /* $array[$element] */ +| restricted_subscripted bracket_subscript {sp_0($2); to_Deref_with(I_hash , I_scalar, fst $1, fst $2), sp_pos_range $1 $2} /* $foo->[bar]{baz} */ +| restricted_subscripted arrayref {sp_0($2); to_Deref_with(I_array, I_scalar, fst $1, only_one $2), sp_pos_range $1 $2} /* $foo->[$bar][$baz] */ +| restricted_subscripted parenthesized {sp_0($2); to_Deref_with(I_func , I_scalar, fst $1, List(sndfst $2)), sp_pos_range $1 $2} /* $foo->{bar}(@args) */ arrayref: | arrayref_start ARRAYREF_END {sp_0($2); fst $1, sp_pos_range $1 $2} @@ -386,7 +388,7 @@ termdo: /* Things called with "do" */ | DO BRACKET lines BRACKET_END %prec PREC_HIGH {sp_n($2); check_block_sub $3 $4; Block(fst $3), sp_pos_range $1 $4} /* do { code */ bracket_subscript: -| BRACKET expr BRACKET_END {sp_0($1); sp_same $2 $3; only_one_in_List $2, sp_pos_range $1 $3} +| BRACKET expr BRACKET_END {sp_0($1); sp_same $2 $3; check_hash_subscript $2; only_one_in_List $2, sp_pos_range $1 $3} | COMPACT_HASH_SUBSCRIPT {sp_0($1); to_Raw_string $1, snd $1} variable: |