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|
{ (* -*- caml -*- *)
open Common
open Types
open Lexing
open Info
let bpos = -1,-1
type raw_token =
| EOF of raw_pos
| SPACE of int
| CR
| INT of (string * raw_pos)
| FLOAT of (string * raw_pos)
| RAW_STRING of (string * raw_pos)
| STRING of (raw_interpolated_string * raw_pos)
| PATTERN of (raw_interpolated_string * string * raw_pos)
| QR_PATTERN of (raw_interpolated_string * string * raw_pos)
| PATTERN_SUBST of (raw_interpolated_string * raw_interpolated_string * string * raw_pos)
| BAREWORD of (string * raw_pos)
| BAREWORD_PAREN of (string * raw_pos)
| REVISION of (string * raw_pos)
| PERL_CHECKER_COMMENT of (string * raw_pos)
| PO_COMMENT of (string * raw_pos)
| POD of (string * raw_pos)
| LABEL of (string * raw_pos)
| COMMAND_STRING of (raw_interpolated_string * raw_pos)
| PRINT_TO_STAR of ((string * string) * raw_pos)
| PRINT_TO_SCALAR of ((string * string) * raw_pos)
| QUOTEWORDS of (string * raw_pos)
| COMPACT_HASH_SUBSCRIPT of (string * raw_pos)
| RAW_HERE_DOC of ((string * raw_pos) ref * raw_pos)
| HERE_DOC of (raw_interpolated_string * raw_pos) ref * raw_pos
| SCALAR_IDENT of (string option * string * raw_pos)
| ARRAY_IDENT of (string option * string * raw_pos)
| HASH_IDENT of (string option * string * raw_pos)
| FUNC_IDENT of (string option * string * raw_pos)
| STAR_IDENT of (string option * string * raw_pos)
| RAW_IDENT of (string option * string * raw_pos)
| RAW_IDENT_PAREN of (string option * string * raw_pos)
| ARRAYLEN_IDENT of (string option * string * raw_pos)
| SUB_WITH_PROTO of (string * raw_pos)
| FUNC_DECL_WITH_PROTO of (string option * string * string * raw_pos)
| IF of raw_pos | ELSIF of raw_pos | ELSE of raw_pos | UNLESS of raw_pos | DO of raw_pos | WHILE of raw_pos | UNTIL of raw_pos | MY_OUR of (string * raw_pos) | CONTINUE of raw_pos | SUB of raw_pos
| LOCAL of raw_pos | FOR of (string * raw_pos) | USE of raw_pos | PACKAGE of raw_pos | BEGIN of raw_pos | END of raw_pos | PRINT of (string * raw_pos)
| NEW of (raw_pos) | FORMAT of (raw_pos) | AT of raw_pos | DOLLAR of raw_pos | PERCENT of raw_pos | AMPERSAND of raw_pos
| STAR of raw_pos | ARRAYLEN of raw_pos | SEMI_COLON of raw_pos | PKG_SCOPE of raw_pos | PAREN of raw_pos | PAREN_END of raw_pos | BRACKET of raw_pos
| BRACKET_END of raw_pos | BRACKET_HASHREF of raw_pos | ARRAYREF of raw_pos | ARRAYREF_END of raw_pos | ARROW of raw_pos | INCR of raw_pos | DECR of raw_pos
| CONCAT of raw_pos | POWER of raw_pos | TIGHT_NOT of raw_pos | BIT_NEG of raw_pos | REF of raw_pos | ONE_SCALAR_PARA of (string * raw_pos) | PATTERN_MATCH of raw_pos | PATTERN_MATCH_NOT of raw_pos | MULT of (string * raw_pos) | MULT_L_STR of raw_pos
| PLUS of (string * raw_pos) | BIT_SHIFT of (string * raw_pos)
| LT of raw_pos | GT of raw_pos | COMPARE_OP of (string * raw_pos) | COMPARE_OP_STR of (string * raw_pos) | EQ_OP of (string * raw_pos) | EQ_OP_STR of (string * raw_pos)
| BIT_AND of raw_pos | BIT_OR of raw_pos | BIT_XOR of raw_pos | AND_TIGHT of raw_pos | OR_TIGHT of raw_pos | DOTDOT of (string * raw_pos)
| QUESTION_MARK of raw_pos | COLON of raw_pos | ASSIGN of (string * raw_pos) | COMMA of raw_pos | RIGHT_ARROW of raw_pos | NOT of raw_pos | AND of raw_pos | OR of raw_pos | XOR of raw_pos
and raw_interpolated_string = (string * raw_token list) list
let new_any mcontext any spaces pos = { mcontext = mcontext ; any = any ; spaces = spaces ; pos = pos }
let rec concat_bareword_paren accu = function
| PRINT(s, pos1) :: PAREN(pos2) :: l
| BAREWORD(s, pos1) :: PAREN(pos2) :: l ->
concat_bareword_paren (PAREN(pos2) :: BAREWORD_PAREN(s, pos1) :: accu) l
| RAW_IDENT(kind, ident, pos1) :: PAREN(pos2) :: l ->
concat_bareword_paren (PAREN(pos2) :: RAW_IDENT_PAREN(kind, ident, pos1) :: accu) l
| [] -> List.rev accu
| e :: l -> concat_bareword_paren (e :: accu) l
let rec raw_token_to_pos_and_token spaces = function
| INT(s, pos) -> pos, Parser.NUM(new_any M_int s spaces pos)
| FLOAT(s, pos) -> pos, Parser.NUM(new_any M_float s spaces pos)
| RAW_STRING(s, pos) -> pos, Parser.RAW_STRING(new_any M_string s spaces pos)
| RAW_HERE_DOC(r, pos) -> pos, Parser.RAW_HERE_DOC(new_any M_string !r spaces pos)
| STRING(l, pos) -> pos, Parser.STRING(new_any M_string (raw_interpolated_string_to_tokens l) spaces pos)
| COMMAND_STRING(l, pos) -> pos, Parser.COMMAND_STRING(new_any (M_mixed [M_string; M_array]) (raw_interpolated_string_to_tokens l) spaces pos)
| QR_PATTERN(s, opts, pos) -> pos, Parser.QR_PATTERN(new_any M_special (raw_interpolated_string_to_tokens s, opts) spaces pos)
| PATTERN(s, opts, pos) -> pos, Parser.PATTERN(new_any M_special (raw_interpolated_string_to_tokens s, opts) spaces pos)
| PATTERN_SUBST(from, to_, opts, pos) -> pos, Parser.PATTERN_SUBST(new_any M_special (raw_interpolated_string_to_tokens from, raw_interpolated_string_to_tokens to_, opts) spaces pos)
| HERE_DOC(l, pos) -> pos, Parser.HERE_DOC(new_any M_string (raw_interpolated_string_to_tokens (fst !l), snd !l) spaces pos)
| BAREWORD(s, pos) -> pos, Parser.BAREWORD(new_any M_special s spaces pos)
| BAREWORD_PAREN(s, pos) -> pos, Parser.BAREWORD_PAREN(new_any M_special s spaces pos)
| REVISION(s, pos) -> pos, Parser.REVISION(new_any M_revision s spaces pos)
| PERL_CHECKER_COMMENT(s, pos) -> pos, Parser.PERL_CHECKER_COMMENT(new_any M_none s spaces pos)
| PO_COMMENT(s, pos) -> pos, Parser.PO_COMMENT(new_any M_special s spaces pos)
| POD(s, pos) -> pos, Parser.POD(new_any M_special s spaces pos)
| LABEL(s, pos) -> pos, Parser.LABEL(new_any M_none s spaces pos)
| PRINT(s, pos) -> pos, Parser.PRINT(new_any M_special s spaces pos)
| PRINT_TO_STAR(s, pos) -> pos, Parser.PRINT_TO_STAR(new_any M_special s spaces pos)
| PRINT_TO_SCALAR(s, pos) -> pos, Parser.PRINT_TO_SCALAR(new_any M_special s spaces pos)
| QUOTEWORDS(s, pos) -> pos, Parser.QUOTEWORDS(new_any M_array s spaces pos)
| COMPACT_HASH_SUBSCRIPT(s, pos) -> pos, Parser.COMPACT_HASH_SUBSCRIPT(new_any M_special s spaces pos)
| SCALAR_IDENT(kind, name, pos) -> pos, Parser.SCALAR_IDENT(new_any M_special (kind, name) spaces pos)
| ARRAY_IDENT(kind, name, pos) -> pos, Parser.ARRAY_IDENT(new_any M_special (kind, name) spaces pos)
| HASH_IDENT(kind, name, pos) -> pos, Parser.HASH_IDENT(new_any M_special (kind, name) spaces pos)
| FUNC_IDENT(kind, name, pos) -> pos, Parser.FUNC_IDENT(new_any M_special (kind, name) spaces pos)
| STAR_IDENT(kind, name, pos) -> pos, Parser.STAR_IDENT(new_any M_special (kind, name) spaces pos)
| RAW_IDENT(kind, name, pos) -> pos, Parser.RAW_IDENT(new_any M_special (kind, name) spaces pos)
| RAW_IDENT_PAREN(kind, name, pos) -> pos, Parser.RAW_IDENT_PAREN(new_any M_special (kind, name) spaces pos)
| ARRAYLEN_IDENT(kind, name, pos) -> pos, Parser.ARRAYLEN_IDENT(new_any M_special (kind, name) spaces pos)
| SUB_WITH_PROTO(proto, pos) -> pos, Parser.SUB_WITH_PROTO(new_any M_special proto spaces pos)
| FUNC_DECL_WITH_PROTO(fq, name, proto, pos) -> pos, Parser.FUNC_DECL_WITH_PROTO(new_any M_special (fq, name, proto) spaces pos)
| NEW(pos) -> pos, Parser.NEW(new_any M_special () spaces pos)
| FORMAT(pos) -> pos, Parser.FORMAT(new_any M_special () spaces pos)
| COMPARE_OP(s, pos) -> pos, Parser.COMPARE_OP(new_any M_special s spaces pos)
| COMPARE_OP_STR(s, pos) -> pos, Parser.COMPARE_OP_STR(new_any M_special s spaces pos)
| EQ_OP(s, pos) -> pos, Parser.EQ_OP(new_any M_special s spaces pos)
| EQ_OP_STR(s, pos) -> pos, Parser.EQ_OP_STR(new_any M_special s spaces pos)
| ASSIGN(s, pos) -> pos, Parser.ASSIGN(new_any M_special s spaces pos)
| FOR(s, pos) -> pos, Parser.FOR(new_any M_special s spaces pos)
| DOTDOT(s, pos) -> pos, Parser.DOTDOT(new_any M_special s spaces pos)
| MULT(s, pos) -> pos, Parser.MULT(new_any M_special s spaces pos)
| BIT_SHIFT(s, pos) -> pos, Parser.BIT_SHIFT(new_any M_special s spaces pos)
| PLUS(s, pos) -> pos, Parser.PLUS(new_any M_special s spaces pos)
| ONE_SCALAR_PARA(s, pos) -> pos, Parser.ONE_SCALAR_PARA(new_any M_special s spaces pos)
| MY_OUR(s, pos) -> pos, Parser.MY_OUR(new_any M_special s spaces pos)
| EOF (pos) -> pos, Parser.EOF (new_any M_special () spaces pos)
| IF (pos) -> pos, Parser.IF (new_any M_special () spaces pos)
| ELSIF (pos) -> pos, Parser.ELSIF (new_any M_special () spaces pos)
| ELSE (pos) -> pos, Parser.ELSE (new_any M_special () spaces pos)
| UNLESS (pos) -> pos, Parser.UNLESS (new_any M_special () spaces pos)
| DO (pos) -> pos, Parser.DO (new_any M_special () spaces pos)
| WHILE (pos) -> pos, Parser.WHILE (new_any M_special () spaces pos)
| UNTIL (pos) -> pos, Parser.UNTIL (new_any M_special () spaces pos)
| CONTINUE (pos) -> pos, Parser.CONTINUE (new_any M_special () spaces pos)
| SUB (pos) -> pos, Parser.SUB (new_any M_special () spaces pos)
| LOCAL (pos) -> pos, Parser.LOCAL (new_any M_special () spaces pos)
| USE (pos) -> pos, Parser.USE (new_any M_special () spaces pos)
| PACKAGE (pos) -> pos, Parser.PACKAGE (new_any M_special () spaces pos)
| BEGIN (pos) -> pos, Parser.BEGIN (new_any M_special () spaces pos)
| END (pos) -> pos, Parser.END (new_any M_special () spaces pos)
| AT (pos) -> pos, Parser.AT (new_any M_special () spaces pos)
| DOLLAR (pos) -> pos, Parser.DOLLAR (new_any M_special () spaces pos)
| PERCENT (pos) -> pos, Parser.PERCENT (new_any M_special () spaces pos)
| AMPERSAND (pos) -> pos, Parser.AMPERSAND (new_any M_special () spaces pos)
| STAR (pos) -> pos, Parser.STAR (new_any M_special () spaces pos)
| ARRAYLEN (pos) -> pos, Parser.ARRAYLEN (new_any M_special () spaces pos)
| SEMI_COLON (pos) -> pos, Parser.SEMI_COLON (new_any M_none () spaces pos)
| PKG_SCOPE (pos) -> pos, Parser.PKG_SCOPE (new_any M_special () spaces pos)
| PAREN (pos) -> pos, Parser.PAREN (new_any M_special () spaces pos)
| PAREN_END (pos) -> pos, Parser.PAREN_END (new_any M_special () spaces pos)
| BRACKET (pos) -> pos, Parser.BRACKET (new_any M_special () spaces pos)
| BRACKET_END (pos) -> pos, Parser.BRACKET_END (new_any M_special () spaces pos)
| BRACKET_HASHREF (pos) -> pos, Parser.BRACKET_HASHREF (new_any M_special () spaces pos)
| ARRAYREF (pos) -> pos, Parser.ARRAYREF (new_any M_special () spaces pos)
| ARRAYREF_END (pos) -> pos, Parser.ARRAYREF_END (new_any M_special () spaces pos)
| ARROW (pos) -> pos, Parser.ARROW (new_any M_special () spaces pos)
| INCR (pos) -> pos, Parser.INCR (new_any M_special () spaces pos)
| DECR (pos) -> pos, Parser.DECR (new_any M_special () spaces pos)
| POWER (pos) -> pos, Parser.POWER (new_any M_special () spaces pos)
| TIGHT_NOT (pos) -> pos, Parser.TIGHT_NOT (new_any M_special () spaces pos)
| BIT_NEG (pos) -> pos, Parser.BIT_NEG (new_any M_special () spaces pos)
| REF (pos) -> pos, Parser.REF (new_any M_special () spaces pos)
| PATTERN_MATCH (pos) -> pos, Parser.PATTERN_MATCH (new_any M_special () spaces pos)
| PATTERN_MATCH_NOT(pos) -> pos, Parser.PATTERN_MATCH_NOT(new_any M_special () spaces pos)
| LT (pos) -> pos, Parser.LT (new_any M_special () spaces pos)
| GT (pos) -> pos, Parser.GT (new_any M_special () spaces pos)
| BIT_AND (pos) -> pos, Parser.BIT_AND (new_any M_special () spaces pos)
| BIT_OR (pos) -> pos, Parser.BIT_OR (new_any M_special () spaces pos)
| BIT_XOR (pos) -> pos, Parser.BIT_XOR (new_any M_special () spaces pos)
| AND_TIGHT (pos) -> pos, Parser.AND_TIGHT (new_any M_special () spaces pos)
| OR_TIGHT (pos) -> pos, Parser.OR_TIGHT (new_any M_special () spaces pos)
| QUESTION_MARK (pos) -> pos, Parser.QUESTION_MARK (new_any M_special () spaces pos)
| COLON (pos) -> pos, Parser.COLON (new_any M_special () spaces pos)
| COMMA (pos) -> pos, Parser.COMMA (new_any M_special () spaces pos)
| CONCAT (pos) -> pos, Parser.CONCAT (new_any M_special () spaces pos)
| MULT_L_STR (pos) -> pos, Parser.MULT_L_STR (new_any M_special () spaces pos)
| RIGHT_ARROW (pos) -> pos, Parser.RIGHT_ARROW (new_any M_special () spaces pos)
| NOT (pos) -> pos, Parser.NOT (new_any M_special () spaces pos)
| AND (pos) -> pos, Parser.AND (new_any M_special () spaces pos)
| OR (pos) -> pos, Parser.OR (new_any M_special () spaces pos)
| XOR (pos) -> pos, Parser.XOR (new_any M_special () spaces pos)
| SPACE _ | CR -> internal_error "raw_token_to_token"
and raw_token_to_token spaces raw_token =
let _, token = raw_token_to_pos_and_token spaces raw_token in
token
and raw_interpolated_string_to_tokens l =
List.map (fun (s, rtok) -> s, concat_spaces Space_0 rtok) l
and concat_spaces spaces = function
| CR :: l -> concat_spaces Space_cr l
| SPACE n :: l ->
let spaces' =
match spaces with
| Space_cr -> Space_cr
| Space_0 -> if n = 1 then Space_1 else Space_n
| _ -> Space_n
in
concat_spaces spaces' l
| [] -> []
| token :: l -> raw_token_to_pos_and_token spaces token :: concat_spaces Space_0 l
let rec lexbuf2list accu t lexbuf =
match t lexbuf with
| EOF pos -> List.rev (EOF pos :: accu)
| e -> lexbuf2list (e :: accu) t lexbuf
let get_token token lexbuf =
let tokens = lexbuf2list [] token lexbuf in
let tokens = concat_bareword_paren [] tokens in
let tokens = concat_spaces Space_0 tokens in
tokens
let next_rule = Stack.create()
let pos lexbuf = lexeme_start lexbuf, lexeme_end lexbuf
let pos2sfull_with start end_ = Info.pos2sfull (!current_file, start, end_)
let pos2sfull lexbuf = pos2sfull_with (lexeme_start lexbuf) (lexeme_end lexbuf)
let putback lexbuf nb = lexbuf.Lexing.lex_curr_pos <- lexbuf.Lexing.lex_curr_pos - nb
let add_a_new_line raw_pos =
incr current_file_current_line ;
lpush current_file_lines_starts raw_pos
let here_docs = Queue.create()
let raw_here_docs = Queue.create()
let current_here_doc_mark = ref ""
let here_doc_next_line mark =
let here_doc_ref = ref([], bpos) in
Queue.push (mark, here_doc_ref) here_docs ;
here_doc_ref
let raw_here_doc_next_line mark =
let here_doc_ref = ref("", bpos) in
Queue.push (mark, here_doc_ref) raw_here_docs ;
here_doc_ref
let delimit_char = ref '/'
type string_escape_kinds = Double_quote | Qq | Delimited | Here_doc
let string_escape_kind = ref Double_quote
let not_ok_for_match = ref (-1)
let string_nestness = ref 0
let building_current_interpolated_string = Stack.create()
let building_current_string = Stack.create()
let current_string_start_pos = ref 0
let current_string_start_line = ref 0
let warn lexbuf err = prerr_endline (pos2sfull_with (lexeme_start lexbuf) (lexeme_end lexbuf) ^ err)
let die lexbuf err = failwith (pos2sfull_with (lexeme_start lexbuf) (lexeme_end lexbuf) ^ err)
let die_in_string lexbuf err = failwith (pos2sfull_with !current_string_start_pos (lexeme_end lexbuf) ^ err)
let warn_escape_unneeded lexbuf c = warn lexbuf ("you can replace \\" ^ c ^ " with " ^ c)
let next_interpolated toks =
let r = Stack.top building_current_string in
Queue.push (!r, toks) (Stack.top building_current_interpolated_string) ;
r := ""
let raw_ins t lexbuf =
Stack.push (ref "") building_current_string;
current_string_start_pos := lexeme_start lexbuf;
t lexbuf ;
!(Stack.pop building_current_string), (!current_string_start_pos, lexeme_end lexbuf)
let ins t lexbuf =
Stack.push (Queue.create()) building_current_interpolated_string ;
Stack.push (ref "") building_current_string;
current_string_start_pos := lexeme_start lexbuf;
t lexbuf ;
next_interpolated [] ;
let _ = Stack.pop building_current_string in
queue2list (Stack.pop building_current_interpolated_string), (!current_string_start_pos, lexeme_end lexbuf)
let raw_ins_to_string t lexbuf =
let s, pos = raw_ins t lexbuf in
not_ok_for_match := lexeme_end lexbuf;
RAW_STRING(s, pos)
let ins_to_string t lexbuf =
let s, pos = ins t lexbuf in
not_ok_for_match := lexeme_end lexbuf;
STRING(s, pos)
let next_s s t lexbuf =
let r = Stack.top building_current_string in r := !r ^ s ;
t lexbuf
let next t lexbuf = next_s (lexeme lexbuf) t lexbuf
let string_interpolate token pre lexbuf =
let s = lexeme lexbuf in
let local_lexbuf = Lexing.from_string (pre ^ s ^ " ") in (* add a space to help tokenizing "xxx$$" *)
local_lexbuf.lex_abs_pos <- lexeme_start lexbuf ;
let l = lexbuf2list [] token local_lexbuf in
let l = concat_bareword_paren [] l in
next_interpolated l;
(Stack.pop next_rule) lexbuf
let ident_type_from_char fq name lexbuf c =
not_ok_for_match := lexeme_end lexbuf;
match c with
| '$' -> SCALAR_IDENT(fq, name, pos lexbuf)
| '@' -> ARRAY_IDENT (fq, name, pos lexbuf)
| '%' -> HASH_IDENT (fq, name, pos lexbuf)
| '&' -> FUNC_IDENT (fq, name, pos lexbuf)
| '*' -> STAR_IDENT (fq, name, pos lexbuf)
| _ -> internal_error "ident_type_from_char"
let split_at_two_colons s =
let i_fq = String.rindex s ':' in
String.sub s 0 (i_fq - 1), skip_n_char (i_fq + 1) s
let ident_from_lexbuf lexbuf =
let fq, name = split_at_two_colons (lexeme lexbuf) in
RAW_IDENT(Some fq, name, pos lexbuf)
let typed_ident_from_lexbuf lexbuf =
let s = lexeme lexbuf in
ident_type_from_char None (skip_n_char 1 s) lexbuf s.[0]
let typed_fqident_from_lexbuf lexbuf =
let s = lexeme lexbuf in
let fq, name = split_at_two_colons (skip_n_char 1 s) in
ident_type_from_char (Some fq) name lexbuf s.[0]
let arraylen_ident_from_lexbuf lexbuf =
not_ok_for_match := lexeme_end lexbuf;
let s = lexeme lexbuf in
ARRAYLEN_IDENT(None, skip_n_char 2 s, pos lexbuf)
let arraylen_fqident_from_lexbuf lexbuf =
let s = lexeme lexbuf in
let fq, name = split_at_two_colons (skip_n_char 2 s) in
ARRAYLEN_IDENT(Some fq, name, pos lexbuf)
let check_multi_line_delimited_string opts (start, end_) =
let check =
match opts with
| None -> true
| Some s -> not (String.contains s 'x') in
if check then
if !current_file_current_line <> !current_string_start_line then
failwith (pos2sfull_with start end_ ^ "multi-line patterns are not allowed (or use /x modifier)")
let hex_in_string lexbuf next_rule s =
let i =
try int_of_string ("0x" ^ s)
with Failure("int_of_string") -> die_in_string lexbuf ("Bad_hex_in_string \"" ^ lexeme lexbuf ^ "\"")
in
let s =
if i < 256 then
String.make 1 (Char.chr i)
else
"\\x{" ^ s ^ "}" in
next_s s (Stack.pop next_rule) lexbuf
}
let stash = [ '$' '@' '%' '&' '*' ]
let ident_start = ['a'-'z' 'A'-'Z' '_']
let ident = ident_start ['0'-'9' 'A'-'Z' 'a'-'z' '_'] *
let pattern_separator = [ '/' '!' ',' '|' ]
rule token = parse
| [' ' '\t']+ {
(* propagate not_ok_for_match when it was set by the previous token *)
if lexeme_start lexbuf = !not_ok_for_match then not_ok_for_match := lexeme_end lexbuf;
SPACE(lexeme_end lexbuf - lexeme_start lexbuf)
}
| "# perl_checker: " [^ '\n']* { PERL_CHECKER_COMMENT(skip_n_char 16 (lexeme lexbuf), pos lexbuf) }
| "#-PO: " [^ '\n']* { PO_COMMENT(skip_n_char 1 (lexeme lexbuf), pos lexbuf) }
| '#' [^ '\n']* { SPACE(1) }
| "\n=" {
add_a_new_line(lexeme_end lexbuf - 1);
let _ = ins pod_command lexbuf in token lexbuf
}
| '\n' {
add_a_new_line(lexeme_end lexbuf);
(try
let (mark, r) = Queue.pop here_docs in
current_here_doc_mark := mark ;
r := ins here_doc lexbuf
with Queue.Empty ->
try
let (mark, r) = Queue.pop raw_here_docs in
current_here_doc_mark := mark ;
r := raw_ins raw_here_doc lexbuf
with Queue.Empty -> ());
CR
}
| "->" { ARROW(pos lexbuf) }
| "++" { INCR(pos lexbuf) }
| "--" { DECR(pos lexbuf) }
| "**" { POWER(pos lexbuf) }
| "!" { TIGHT_NOT(pos lexbuf) }
| "~" { BIT_NEG(pos lexbuf) }
| "=~" { PATTERN_MATCH(pos lexbuf) }
| "!~" { PATTERN_MATCH_NOT(pos lexbuf) }
| "*" { MULT(lexeme lexbuf, pos lexbuf) }
| "%" { MULT(lexeme lexbuf, pos lexbuf) }
| "x" { MULT_L_STR(pos lexbuf) }
| "+" { PLUS(lexeme lexbuf, pos lexbuf) }
| "-" { PLUS(lexeme lexbuf, pos lexbuf) }
| "." { CONCAT(pos lexbuf) }
| "<<" { BIT_SHIFT(lexeme lexbuf, pos lexbuf) }
| ">>" { BIT_SHIFT(lexeme lexbuf, pos lexbuf) }
| "<" { LT(pos lexbuf) }
| ">" { GT(pos lexbuf) }
| "<=" | ">=" { COMPARE_OP(lexeme lexbuf, pos lexbuf) }
| "lt" | "gt" | "le" | "ge" { COMPARE_OP_STR(lexeme lexbuf, pos lexbuf) }
| "==" | "!=" | "<=>" { EQ_OP(lexeme lexbuf, pos lexbuf) }
| "eq" | "ne" | "cmp" { EQ_OP_STR(lexeme lexbuf, pos lexbuf) }
| "&" { BIT_AND(pos lexbuf) }
| "|" { BIT_OR(pos lexbuf) }
| "^" { BIT_XOR(pos lexbuf) }
| "&&" { AND_TIGHT(pos lexbuf) }
| "||" { OR_TIGHT(pos lexbuf) }
| ".." { DOTDOT(lexeme lexbuf, pos lexbuf) }
| "..." { DOTDOT(lexeme lexbuf, pos lexbuf) }
| "?" { QUESTION_MARK(pos lexbuf) }
| ":" { COLON(pos lexbuf) }
| "::" { PKG_SCOPE(pos lexbuf) }
| "=" | "+=" | "-=" | "*=" | ".=" | "|=" | "&=" | "^=" | "||=" | "&&=" { ASSIGN(lexeme lexbuf, pos lexbuf) }
| "," { COMMA(pos lexbuf) }
| "=>" { RIGHT_ARROW(pos lexbuf) }
| "not" { NOT(pos lexbuf) }
| "and" { AND(pos lexbuf) }
| "or" { OR(pos lexbuf) }
| "xor" { XOR(pos lexbuf) }
| "if" { IF(pos lexbuf) }
| "else" { ELSE(pos lexbuf) }
| "elsif" { ELSIF(pos lexbuf) }
| "unless" { UNLESS(pos lexbuf) }
| "do" { DO(pos lexbuf) }
| "while" { WHILE(pos lexbuf) }
| "until" { UNTIL(pos lexbuf) }
| "foreach" { FOR(lexeme lexbuf, pos lexbuf) }
| "for" { FOR(lexeme lexbuf, pos lexbuf) }
| "my" { MY_OUR(lexeme lexbuf, pos lexbuf) }
| "our" { MY_OUR(lexeme lexbuf, pos lexbuf) }
| "local" { LOCAL(pos lexbuf) }
| "continue" { CONTINUE(pos lexbuf) }
| "sub" { SUB(pos lexbuf) }
| "package" { PACKAGE(pos lexbuf) }
| "use" { USE(pos lexbuf) }
| "BEGIN" { BEGIN(pos lexbuf) }
| "END" { END(pos lexbuf) }
| "print" { PRINT(lexeme lexbuf, pos lexbuf) }
| "printf" { PRINT(lexeme lexbuf, pos lexbuf) }
| "new" { NEW(pos lexbuf) }
| "format" { let _ = raw_here_doc_next_line "." in FORMAT(pos lexbuf) }
| "defined"
| "length"
| "keys"
| "exists"
| "eval"
| "ref" { ONE_SCALAR_PARA(lexeme lexbuf, pos lexbuf) }
| "split"
| "grep" { (* ok_for_match! *) BAREWORD(lexeme lexbuf, pos lexbuf) }
| "print " ['A'-'Z'] ['A'-'Z' '0'-'9']* ['\n' ' '] {
putback lexbuf 1;
PRINT_TO_STAR(("print", skip_n_char 6 (lexeme lexbuf)), pos lexbuf)
}
| "print $" ident ['\n' ' '] {
putback lexbuf 1;
PRINT_TO_SCALAR(("print", skip_n_char 7 (lexeme lexbuf)), pos lexbuf);
}
| "printf " ['A'-'Z'] ['A'-'Z' '0'-'9']* ['\n' ' '] {
putback lexbuf 1;
PRINT_TO_STAR(("printf", skip_n_char 7 (lexeme lexbuf)), pos lexbuf)
}
| "printf $" ident ['\n' ' '] {
putback lexbuf 1;
PRINT_TO_SCALAR(("printf", skip_n_char 8 (lexeme lexbuf)), pos lexbuf);
}
| ident ' '* "=>" { (* needed so that (if => 1) works *)
let s = lexeme lexbuf in
let end_ = String.length s - 1 in
let ident_end = non_rindex_from s (end_ - 2) ' ' in
putback lexbuf (end_ - ident_end);
BAREWORD(String.sub s 0 (ident_end+1), pos lexbuf)
}
| "{" ident "}" { (* needed so that $h{if} works *)
not_ok_for_match := lexeme_end lexbuf;
COMPACT_HASH_SUBSCRIPT(skip_n_char_ 1 1 (lexeme lexbuf), pos lexbuf)
}
| '@' { AT(pos lexbuf) }
| '$' { DOLLAR(pos lexbuf) }
| '$' '#' { ARRAYLEN(pos lexbuf) }
| '%' ['$' '{'] { putback lexbuf 1; PERCENT(pos lexbuf) }
| '&' ['$' '{'] { putback lexbuf 1; AMPERSAND(pos lexbuf) }
| '*' ['$' '{'] { putback lexbuf 1; if lexeme_start lexbuf = !not_ok_for_match then MULT("*", pos lexbuf) else STAR(pos lexbuf) }
| ';' { SEMI_COLON(pos lexbuf) }
| '(' { PAREN(pos lexbuf) }
| '{' { BRACKET(pos lexbuf) }
| "+{"{ BRACKET_HASHREF(pos lexbuf) }
| '[' { ARRAYREF(pos lexbuf) }
| ')' { not_ok_for_match := lexeme_end lexbuf; PAREN_END(pos lexbuf) }
| '}' { not_ok_for_match := lexeme_end lexbuf; BRACKET_END(pos lexbuf) }
| ']' { not_ok_for_match := lexeme_end lexbuf; ARRAYREF_END(pos lexbuf) }
| "/" {
if lexeme_start lexbuf = !not_ok_for_match then MULT("/", pos lexbuf)
else (
delimit_char := '/' ;
current_string_start_line := !current_file_current_line;
let s, pos = ins re_delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
check_multi_line_delimited_string (Some opts) pos ;
PATTERN(s, opts, pos)
)
}
| "/=" {
if lexeme_start lexbuf = !not_ok_for_match then ASSIGN(lexeme lexbuf, pos lexbuf)
else (
putback lexbuf 1 ;
delimit_char := '/' ;
let s, pos = ins re_delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
PATTERN(s, opts, pos)
)
}
| "m" pattern_separator {
delimit_char := lexeme_char lexbuf 1 ;
current_string_start_line := !current_file_current_line;
let s, pos = ins re_delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
check_multi_line_delimited_string (Some opts) pos ;
PATTERN(s, opts, pos)
}
| "qr" pattern_separator {
delimit_char := lexeme_char lexbuf 2 ;
current_string_start_line := !current_file_current_line;
let s, pos = ins re_delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
check_multi_line_delimited_string (Some opts) pos ;
QR_PATTERN(s, opts, pos)
}
| "s" pattern_separator {
delimit_char := lexeme_char lexbuf 1 ;
current_string_start_line := !current_file_current_line;
let s1, (start, _) = ins re_delimited_string lexbuf in
let s2, (_, end_) = ins delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
let pos = start, end_ in
check_multi_line_delimited_string (Some opts) pos ;
PATTERN_SUBST(s1, s2, opts, pos)
}
| "tr" pattern_separator {
delimit_char := lexeme_char lexbuf 2 ;
current_string_start_line := !current_file_current_line;
let s1, (start, _) = ins delimited_string lexbuf in
let s2, (_, end_) = ins delimited_string lexbuf in
let opts, _ = raw_ins pattern_options lexbuf in
let pos = start, end_ in
check_multi_line_delimited_string None pos ;
PATTERN_SUBST(s1, s2, opts, pos)
}
| "<<" ident {
not_ok_for_match := lexeme_end lexbuf;
HERE_DOC(here_doc_next_line (skip_n_char 2 (lexeme lexbuf)), pos lexbuf)
}
| "<<'" ident "'" {
not_ok_for_match := lexeme_end lexbuf;
RAW_HERE_DOC(raw_here_doc_next_line (skip_n_char_ 3 1 (lexeme lexbuf)), pos lexbuf)
}
| "<<" ' '+ "'"
| "<<" ' '+ ident {
failwith (pos2sfull_with (lexeme_start lexbuf + 2) (lexeme_end lexbuf) ^ "No space allowed between \"<<\" and the marker")
}
| "<<" ' '* '"' {
failwith (pos2sfull_with (lexeme_start lexbuf + 2) (lexeme_end lexbuf) ^ "Don't use <<\"MARK\", use <<MARK instead")
}
| "\\" stash
| "\\" ['0'-'9' 'A'-'Z' 'a'-'z']
| "\\" ' '* '('
{ putback lexbuf 1; REF(pos lexbuf) }
| "sub(" [ '$' '@' '\\' '&' ';' '%' ]* ')' {
SUB_WITH_PROTO(skip_n_char_ 4 1 (lexeme lexbuf), pos lexbuf)
}
| "sub" ' '+ ident ' '* '(' [ '$' '@' '\\' '&' ';' '%' ]* ')' {
(* bloody prototypes, must be caught especially otherwise "($)" is badly tokenized *)
(* and alas "($@)" is both valid as an expression and a prototype *)
let s = lexeme lexbuf in
let ident_start = non_index_from s 3 ' ' in
let proto_start = String.index_from s ident_start '(' in
let ident_end = non_rindex_from s (proto_start-1) ' ' in
let ident = String.sub s ident_start (ident_end - ident_start + 1) in
let prototype = skip_n_char_ (proto_start + 1) 1 s in
FUNC_DECL_WITH_PROTO(None, ident, prototype, pos lexbuf)
}
| "sub" ' '+ ident ("::" ident)+ ' '* '(' [ '$' '@' '\\' '&' ';' '%' ]* ')' {
(* bloody prototypes, must be caught especially otherwise "($)" is badly tokenized *)
(* and alas "($@)" is both valid as an expression and a prototype *)
let s = lexeme lexbuf in
let ident_start = non_index_from s 3 ' ' in
let proto_start = String.index_from s ident_start '(' in
let ident_end = non_rindex_from s (proto_start-1) ' ' in
let ident = String.sub s ident_start (ident_end - ident_start + 1) in
let prototype = skip_n_char_ (proto_start + 1) 1 s in
let fq, name = split_at_two_colons ident in
FUNC_DECL_WITH_PROTO(Some fq, name, prototype, pos lexbuf)
}
| "$#" ident? ("::" ident)+ { arraylen_fqident_from_lexbuf lexbuf }
| "$#" ident { arraylen_ident_from_lexbuf lexbuf }
| stash ident? ("::" ident)+ { typed_fqident_from_lexbuf lexbuf }
| stash ident
| '$' [^ '{' ' ' '\n' '$']
| "$^" [^ '{' ' ' '\n'] { typed_ident_from_lexbuf lexbuf }
| "$$" [^ 'a'-'z' 'A'-'Z' '_' '{'] { putback lexbuf 1; SCALAR_IDENT(None, "$", pos lexbuf) }
| stash "::" { putback lexbuf 2; ident_type_from_char None "main" lexbuf (lexeme_char lexbuf 0) }
| ident? ("::" ident)+ { ident_from_lexbuf lexbuf }
| ident { not_ok_for_match := lexeme_end lexbuf; BAREWORD(lexeme lexbuf, pos lexbuf) }
| ident ":" { LABEL(lexeme lexbuf, pos lexbuf) }
| '-' [ 'a'-'z' 'A'-'Z' ] [ ' ' '(' ';' ] { putback lexbuf 1; ONE_SCALAR_PARA(lexeme lexbuf, pos lexbuf) }
| ['0'-'9'] ['0'-'9' '_']* '.' ['0'-'9'] ['0'-'9' '_']* ('.' ['0'-'9'] ['0'-'9' '_']*)+
| 'v' ['0'-'9'] ['0'-'9' '_']* ('.' ['0'-'9'] ['0'-'9' '_']*)*
{
not_ok_for_match := lexeme_end lexbuf;
REVISION(lexeme lexbuf, pos lexbuf)
}
| ['0'-'9']* '.' ['0'-'9']+ (['e' 'E']['-' '+']?['0'-'9']+)? {
not_ok_for_match := lexeme_end lexbuf;
FLOAT(lexeme lexbuf, pos lexbuf)
}
| ['0'-'9'] ['0'-'9' '_']* (['e' 'E']['-' '+']?['0'-'9']+)?
| "0x" ['0'-'9' 'a'-'f' 'A'-'F']+ {
not_ok_for_match := lexeme_end lexbuf;
INT(lexeme lexbuf, pos lexbuf)
}
| '"' { ins_to_string string lexbuf }
| "'" { raw_ins_to_string rawstring lexbuf }
| '`' { delimit_char := '`';
current_string_start_line := !current_file_current_line;
not_ok_for_match := lexeme_end lexbuf;
let s, pos = ins delimited_string lexbuf in
check_multi_line_delimited_string None pos ;
COMMAND_STRING(s, pos) }
| "q(" { raw_ins_to_string qstring lexbuf }
| "qq(" { ins_to_string qqstring lexbuf }
| "qw(" { let s, pos = raw_ins qstring lexbuf in QUOTEWORDS(s, pos) }
| eof { EOF(pos lexbuf) }
| _ { failwith (Printf.sprintf "%serror tokenizing <<%s>>" (pos2sfull lexbuf) (lexeme lexbuf)) }
and string = parse
| '"' { () }
| '\\' { Stack.push string next_rule ; string_escape_kind := Double_quote; string_escape lexbuf }
| '$' { Stack.push string next_rule ; string_interpolate_scalar lexbuf }
| '@' { Stack.push string next_rule ; string_interpolate_array lexbuf }
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next string lexbuf
}
| [^ '\n' '\\' '"' '$' '@']+ { next string lexbuf }
| eof { die_in_string lexbuf "Unterminated_string" }
and delimited_string = parse
| '\\' { Stack.push delimited_string next_rule ; string_escape_kind := Delimited; string_escape lexbuf }
| '$' { Stack.push delimited_string next_rule ; delimited_string_interpolate_scalar lexbuf }
| '@' { Stack.push delimited_string next_rule ; delimited_string_interpolate_array lexbuf }
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next delimited_string lexbuf
}
| eof { die_in_string lexbuf "Unterminated_delimited_string" }
| [ ^ '\n' '\\' '$' '@'] { if lexeme_char lexbuf 0 <> !delimit_char then next delimited_string lexbuf }
and re_delimited_string = parse
| '\\' { Stack.push re_delimited_string next_rule ; re_string_escape lexbuf }
| '$' { Stack.push re_delimited_string next_rule ; delimited_string_interpolate_scalar lexbuf }
| '@' { Stack.push re_delimited_string next_rule ; delimited_string_interpolate_array lexbuf }
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next re_delimited_string lexbuf
}
| eof { die_in_string lexbuf "Unterminated_delimited_string" }
| [ ^ '\n' '\\' '$' '@'] { if lexeme_char lexbuf 0 <> !delimit_char then next re_delimited_string lexbuf }
and rawstring = parse
| ''' { () }
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next rawstring lexbuf
}
| '\\' { next rawstring lexbuf }
| "\\'" { next_s "'" rawstring lexbuf }
| [^ '\n' ''' '\\']+ { next rawstring lexbuf }
| eof { die_in_string lexbuf "Unterminated_rawstring" }
and qqstring = parse
| ')' {
if !string_nestness <> 0 then (decr string_nestness; next qqstring lexbuf)
}
| '(' {
incr string_nestness;
next qqstring lexbuf
}
| '\\' { Stack.push qqstring next_rule ; string_escape_kind := Qq; string_escape lexbuf }
| '$' { Stack.push qqstring next_rule ; string_interpolate_scalar lexbuf }
| '@' { Stack.push qqstring next_rule ; string_interpolate_array lexbuf }
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next qqstring lexbuf
}
| [^ '\n' '(' ')' '\\' '$' '@']+ { next qqstring lexbuf }
| eof { die_in_string lexbuf "Unterminated_qqstring" }
and qstring = parse
| ')' {
if !string_nestness <> 0 then (decr string_nestness ; next qstring lexbuf)
}
| '(' {
incr string_nestness;
next qstring lexbuf
}
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next qstring lexbuf
}
| [^ '\n' '(' ')']+ { next qstring lexbuf }
| eof { die_in_string lexbuf "Unterminated_qstring" }
and here_doc = parse
| '\\' { Stack.push here_doc next_rule ; string_escape_kind := Here_doc; string_escape lexbuf }
| '$' { Stack.push here_doc next_rule ; string_interpolate_scalar lexbuf }
| '@' { Stack.push here_doc next_rule ; string_interpolate_array lexbuf }
| [ ^ '\n' '\\' '$' '@' ]* {
let s = lexeme lexbuf in
if chomps s <> !current_here_doc_mark
then next_s s here_doc lexbuf
else if s <> !current_here_doc_mark then Printf.eprintf "%sTrailing spaces after HERE-document mark\n" (pos2sfull lexbuf)
}
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next here_doc lexbuf
}
| eof { die_in_string lexbuf "Unterminated_here_doc" }
and raw_here_doc = parse
| [ ^ '\n' ]* {
let s = lexeme lexbuf in
if chomps s <> !current_here_doc_mark
then next_s s raw_here_doc lexbuf
else if s <> !current_here_doc_mark then Printf.eprintf "%sTrailing spaces after HERE-document mark\n" (pos2sfull lexbuf)
}
| '\n' {
add_a_new_line(lexeme_end lexbuf);
next raw_here_doc lexbuf
}
| eof { die_in_string lexbuf "Unterminated_raw_here_doc" }
and string_escape = parse
| ['0'-'9'] { next_s (String.make 1 (Char.chr (int_of_string (lexeme lexbuf)))) (Stack.pop next_rule) lexbuf }
| '\\'{ next_s "\\" (Stack.pop next_rule) lexbuf }
| 'n' { next_s "\n" (Stack.pop next_rule) lexbuf }
| 't' { next_s "\t" (Stack.pop next_rule) lexbuf }
| "x{" [^ '}']* '}' { hex_in_string lexbuf next_rule (skip_n_char_ 2 1 (lexeme lexbuf)) }
| 'x' [^ '{'] _ { hex_in_string lexbuf next_rule (skip_n_char 1 (lexeme lexbuf)) }
| '\n' { die lexbuf "do not use \"\\\" before end-of-line, it's useless and generally bad" }
| ['b' 'f' '$' '@' '%' 'a' 'r' '{'] { next_s ("\\" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf }
| _ {
let c = lexeme lexbuf in
(match !string_escape_kind with
| Double_quote ->
if c = "\"" then
(* don't warn since it's used a lot, esp. in N("xxx \"xxx\" xxx") *)
(*warn lexbuf "you can replace \"xxx\\\"xxx\" with qq(xxx\"xxx), that way you don't need to escape <\">"*)
()
else warn_escape_unneeded lexbuf c
| Qq -> if c <> "(" && c <> ")" then warn_escape_unneeded lexbuf c
| Here_doc -> warn_escape_unneeded lexbuf c
| Delimited -> if c = String.make 1 !delimit_char then
warn lexbuf ("change the delimit character " ^ String.make 1 !delimit_char ^ " to get rid of this escape")
else warn_escape_unneeded lexbuf c);
next_s ("\\" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf
}
and re_string_escape = parse
| ['0'-'9'] { next_s (String.make 1 (Char.chr (int_of_string (lexeme lexbuf)))) (Stack.pop next_rule) lexbuf }
| '\\'{ next_s "\\" (Stack.pop next_rule) lexbuf }
| 'n' { next_s "\n" (Stack.pop next_rule) lexbuf }
| 't' { next_s "\t" (Stack.pop next_rule) lexbuf }
| "x{" [^ '}']* '}' { hex_in_string lexbuf next_rule (skip_n_char_ 2 1 (lexeme lexbuf)) }
| 'x' [^ '{'] _ { hex_in_string lexbuf next_rule (skip_n_char 1 (lexeme lexbuf)) }
| '\n' { die lexbuf "do not use \"\\\" before end-of-line, it's useless and generally bad" }
| ['b' 'f' '$' '@' '%' '"' 's' 'S' 'd' 'D' 'w' 'W' 'Q' 'E' 'b' '.' '*' '+' '?' '[' ']' '(' ')' '|' '{' '}' '-'] {
next (Stack.pop next_rule) lexbuf
}
| _ {
let c = lexeme lexbuf in
if c = String.make 1 !delimit_char then
warn lexbuf ("change the delimit character " ^ String.make 1 !delimit_char ^ " to get rid of this escape")
else warn_escape_unneeded lexbuf c ;
next_s ("\\" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf
}
and string_interpolate_scalar = parse
| '$' ident
| ['0'-'9']
| '{' [^ '{' '}']* '}'
| (ident | (ident? ("::" ident)+)) "->"? (('{' [^ '{' '}' '\n']* '}') | ('[' [^ '[' ']' '\n']* ']'))*
| [^ '{' '}' ' ' '\n' '"'] { (* eg: $! $$ *)
string_interpolate token "$" lexbuf
}
| "{"
| ident "->"? '{'
| '"' { putback lexbuf 1; next_s "$" (Stack.pop next_rule) lexbuf }
| eof { next_s "$" (Stack.pop next_rule) lexbuf }
| _ { warn lexbuf (Printf.sprintf "weird \"%s\" in string" (lexeme lexbuf)); next_s ("$" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf }
and delimited_string_interpolate_scalar = parse (* needed for delimited string like m!foo$! where $! should not be taken as is... *)
| '$' ident
| ['0'-'9']
| '{' [^ '{' '}']* '}'
| (ident | (ident? ("::" ident)+)) "->"? ('{' [^ '{' '}' '\n']* '}')*
| (ident | (ident? ("::" ident)+)) "->"? (('{' [^ '{' '}' '\n']* '}') | ('[' ('$' ident | ['0'-'9']+) ']'))*
{
string_interpolate token "$" lexbuf
}
| (ident | (ident? ("::" ident)+)) "->"? (('{' [^ '{' '}' '\n']* '}') | ('[' ['$' '0'-'9'] [^ '[' ']' '\n']* ']'))*
{
die lexbuf (Printf.sprintf "I really can't handle this, [xxx] can be indexing or not based on stellar position :-(")
}
| "{"
| ident "->"? '{'
| eof { next_s "$" (Stack.pop next_rule) lexbuf }
| _ {
let c = lexeme_char lexbuf 0 in
if c <> !delimit_char && c <> '|' && c<>')' && c<>'/' && c<>' ' then warn lexbuf (Printf.sprintf "weird \"%s\" in string" (lexeme lexbuf));
putback lexbuf 1;
next_s "$" (Stack.pop next_rule) lexbuf
}
and string_interpolate_array = parse
| '$' ident
| '{' [^ '{' '}']* '}'
| (ident | (ident? ("::" ident)+)) { string_interpolate token "@" lexbuf }
| [ '@' '*' '<' '>' ']' '.' '(' ' ' ] { next_s ("@" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf }
| '"' { putback lexbuf 1; next_s "@" (Stack.pop next_rule) lexbuf }
| eof { next_s "@" (Stack.pop next_rule) lexbuf }
| _ { warn lexbuf (Printf.sprintf "weird \"%s\" in string" (lexeme lexbuf)); next_s ("@" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf }
and delimited_string_interpolate_array = parse
| '$' ident
| '{' [^ '{' '}']* '}'
| (ident | (ident? ("::" ident)+)) { string_interpolate token "@" lexbuf }
| [ '@' '*' '<' '>' ']' '.' '(' ' ' ] { next_s ("@" ^ lexeme lexbuf) (Stack.pop next_rule) lexbuf }
| eof { next_s "@" (Stack.pop next_rule) lexbuf }
| _ {
let c = lexeme_char lexbuf 0 in
if c <> !delimit_char then warn lexbuf (Printf.sprintf "weird \"%s\" in string" (lexeme lexbuf));
putback lexbuf 1;
next_s "@" (Stack.pop next_rule) lexbuf
}
and pattern_options = parse
| [ 'g' 'i' 'm' 'o' 's' 'x' 'e' 'd' ] { next pattern_options lexbuf }
| _ { putback lexbuf 1; () }
and pod_command = parse
| [^ '\n' ]+ {
let s = lexeme lexbuf in
let command = String.sub s 0 (try String.index s ' ' with Not_found -> String.length s) in
match command with
| "cut" ->
if !(Stack.top building_current_string) = "" then
failwith(pos2sfull lexbuf ^ "found POD command \"=cut\" but it is not a POD block")
| "head1" | "head2" | "head3" | "head4" | "over" | "item" | "back" | "pod" | "begin" | "end" | "for" ->
next pod lexbuf
| s -> failwith(pos2sfull lexbuf ^ "unknown POD command \"" ^ s ^ "\"")
}
| _ { failwith(pos2sfull lexbuf ^ "POD command expected") }
and pod = parse
| "\n=" {
add_a_new_line(lexeme_end lexbuf - 1);
next pod_command lexbuf
}
| "\n" [^ '=' '\n'] [^ '\n']*
| "\n" {
add_a_new_line(lexeme_end lexbuf);
next pod lexbuf
}
| eof
| _ { failwith(pos2sfull_with !current_string_start_pos (lexeme_end lexbuf) ^ "POD block still open") }
|