612 lines
26 KiB
Plaintext
612 lines
26 KiB
Plaintext
Camlp4 Version 3.04
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-------------------
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- [15 Oct 01] Fixed parsing differences between pa_o and ocamlyacc:
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in parsers, in labels.
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- [12 Oct 01] Added missing bigarray syntax a.{b} (and Cie) in standard
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syntax (pa_o).
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Camlp4 Version 3.03
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-------------------
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- [09 Oct 01] Fixed bug: the token !$ did not work. Fixed and completed
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some syntaxes of labels patterns. Added missing case in exception
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declaration (exception rebinding).
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- [05 Oct 01] Fixed bug in normal syntax: when defining a constructor
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named "True" of "False" (capitalized, i.e. not like the booleans), it
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did not work.
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- [04 Oct 01] Fixed some revised and quotation syntaxes in objects classes
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and types (cleaner). Cleaned up also several parts of the parsers.
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- [02 Oct 01] In revised syntax, the warning for using old syntax for
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sequences is now by default. To remove it, the option -no-warn-seq
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of camlp4r has been added. Option -warn-seq has been removed.
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- [07 Sep 01] Included Camlp4 in OCaml distribution.
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- [06 Sep 01] Added missing pattern construction #t
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- [05 Sep 01] Fixed bug in pa_o: {A.B.c = d} was refused.
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- [26 Aug 01] Fixed bug: in normal and revised syntaxes, refused -1.0
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(minus float) as pattern.
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- [24 Aug 01] Fixed bug: (a : b :> c) and ((a : b) :> c) were parsed
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identically.
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- [20 Aug 01] Fixed configure script for Windows configuration.
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- [10 Aug 01] Fixed bug: <:expr< 'a' >> did not work because of a typing
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problem.
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- [10 Aug 01] Fixed bug in compilation process under Windows: the use of
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the extension .exe was missing in several parts in Makefiles and shell
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scripts.
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- [09 Aug 01] Changed message error in grammar: in the case when the rule
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is: ....; tok1; tok2; .. tokn; ... (n terminal tokens following each other),
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where the grammar is locally LL(n), it displays now:
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tok1 tok2 .. tokn expected
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instead of just
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tok1 expected
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because "tok1" can be correct in the input, and in this case, the message
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underscored the tok1 and said "tok1 expected".
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- [07 Aug 01] When camlp4r.cma is loaded in the toplevel, the results are
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now displayed in revised syntax.
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- [04 Aug 01] Added syntax "declare..end" in quotations class_str_item and
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class_sig_item to be able to generate several items from one only item
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(like in str_item and sig_item).
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Camlp4 Version 3.02
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-------------------
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- [21 Jul 01] Fixed bug: <:expr< { l = x } >> was badly built and resulted
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in a typing error.
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- [13 Jul 01] Fixed bug: did not accept floats in patterns.
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- [11 Jul 01] Added function Pcaml.top_printer to be able to use the
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printers Pcaml.pr_expr, Pcaml.pr_patt, and so on for the #install_printer
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of OCaml toplevel. Ex:
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let f = Pcaml.top_printer Pcaml.pr_expr;;
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#install_printer f;;
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#load "pr_o.cmo";;
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- [24 Jun 01] In grammars, added symbol ANY, returning the current token,
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whichever it is.
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- [24 Jun 01] In grammars, a rule list of the form [ s1 | s2 | .. | sn ]
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is interpreted as [ x = s1 -> x | x = s2 -> x | .. x = sn -> x ]
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instead of [ _ = s1 -> () | _ = s2 -> () .. ]
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- [24 Jun 01] Moved the functions [Plexer.char_of_char_token] and
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[Plexer.string_of_string_token] into module [Token] with names
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[Token.eval_char] and [Token.eval_string].
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- [22 Jun 01] Added warning when using old syntax for sequences, while
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and do (do..return, do..done) in predefined quotation expr.
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- [22 Jun 01] Changed message for unbound quotations (more clear).
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Camlp4 Version 3.01.6:
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----------------------
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- [22 Jun 01] Changed the module Pretty into Spretty.
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- [21 Jun 01] Camlp4 can now be compiled even if OCaml is not installed:
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in the directory "config", the file "configure_batch" is a possibility
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to configure the compilation (alternative of "configure" of the top
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directory) and has a parameter "-ocaml-top" to specify the OCaml top
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directory (relative to the camlp4/config directory).
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- [21 Jun 01] The interactive "configure" now tests if the native-code
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compilers ocamlc.opt and ocamlopt.opt are accessible and tell the
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Makefile to preferably use them if they are.
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- [16 Jun 01] The syntax tree for strings and characters now represent their
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exact input representation (the node for characters is now of type string,
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no more char). For example, the string "a\098c" remains "a\098c" and is
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*not* converted into (the equivalent) "abc" in the syntax tree. The
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convertion takes place when converting into OCaml tree representation.
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This has the advantage that the pretty print now display them as they
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are in the input file. To convert from input to real representation
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(if needed), two functions have been added: Plexer.string_of_string_token
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and Plexer.char_of_char_token.
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- [10 Jun 01] In revised syntax, added ability to write {foo x = y} as short
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form for {foo = fun x -> y}.
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- [08 Jun 01] Completed missing cases in pa_extfun.cmo for variants.
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- [06 Jun 01] Completed missing cases in abstract syntax tree and in normal
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syntax parser pa_o.ml (about classes).
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- [06 Jun 01] Fixed bug in pa_o.cmo (parser of normal syntax): (~~) did not
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work, and actually all prefix operators between parentheses.
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Camlp4 Version 3.01.5:
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----------------------
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- [04 Jun 01] Fixed bug: when using "include" in a structure item the rest
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of the structure was lost.
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- [31 May 01] Added ability to user #load and #directory inside ml or mli
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files to specify a cmo file to be loaded (for syntax extension) or the
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directory path (like option -I). Same semantics than in toplevel.
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- [29 May 01] The name of the location variable used in grammars (action
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parts of the rules) and in the predefined quotations for OCaml syntax
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trees is now configurable in Stdpp.loc_name (string reference). Added also
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option -loc to set this variable. Default: loc.
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- [26 May 01] Added functional streams: a library module Fstream and a syntax
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kit: pa_fstream.cmo. Syntax:
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streams: fstream [: ... :]
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parsers: fparser [ [: ... :] -> ... | ... ]
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- [25 May 01] Added function Token.lexer_func_of a little bit more general
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than Token.lexer_func_of_parser.
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Camlp4 Version 3.01.4:
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----------------------
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- [20 May 01] Fixed bug: pr_rp and pr_op could generate bound variables
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resulting incorrect program:
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(e.g. fun s -> parser [: `_; x :] -> s x was printed:
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fun s -> parser [: `_; s :] -> s s)
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- [19 May 01] Small improvement in pretty.ml resulting a faster print (no
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more stacked HOVboxes which printers pr_r and pr_o usually generate in
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expr, patt, ctyp, etc.)
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- [18 May 01] Added [lexer_func_of_parser] and [lexer_func_of_ocamllex]
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in module [Token] to create lexers functions from char stream parsers
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or from [ocamllex] lexers.
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- [16 May 01] Pretty printing with pr_r.cmo (revised syntax) now keep
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comments inside phrases.
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- [15 May 01] Changed pretty printing system, using now new extensible
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functions of Camlp4.
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- [15 May 01] Added library module Extfun for extensible functions,
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syntax pa_extfun, and a printer pr_extfun.
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- [12 May 01] Fixed bug: missing cases in pr_o and pr_r for in cases of
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"for", "while", and some other expressions, when between parentheses.
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Camlp4 Version 3.01.3:
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----------------------
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- [04 May 01] Put back the syntax "do ... return ..." in predefined
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quotation "expr", to be able to compile previous programs. Work
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only if the quotation is in position of expression, not in pattern.
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- [04 May 01] Added lisp syntax pa_lisp.cmo (not terminated).
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- [01 May 01] Fixed bug: in toplevel, in case of syntax error in #use,
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the display was incorrect: it displayed the input, instead of the
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file location.
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Camlp4 Version 3.01.2:
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----------------------
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- [27 Apr 01] Added variable Grammar.error_verbose and option -verbose of
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command camlp4 to display more information in case of parsing error.
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- [27 Apr 01] Fixed bug: the locations in sequences was not what expected
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by OCaml, resulting on bad locations displaying in case of typing error.
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- [27 Apr 01] Fixed bug: in normal syntax, the sequence was parsed
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of left associative instead of right associative, resulting bad pretty
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printing.
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Camlp4 Version 3.01.1:
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----------------------
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- [19 Apr 01] Added missing new feature "include" (structure item).
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- [17 Apr 01] Changed revised syntax of sequences. Now:
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do { expr1; expr2 ..... ; exprn }
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for patt = expr to/downto expr do { expr1; expr2 ..... ; exprn }
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while expr do { expr1; expr2 ..... ; exprn }
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* If holding a "let ... in", the scope applies up to the end of the sequence.
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* The old syntax "do .... return ..." is still accepted.
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* In expr quotation, it is *not* accepted. To ensure backward
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compatibility, use ifdef NEWSEQ, which answers True from this version.
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* The printer pr_r.cmo by default prints with this new syntax.
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* To print with old syntax, use option -old_seq.
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* To get a warning when using old syntax, use option -warn_seq.
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Camlp4 Version 3.01:
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--------------------
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- [5 Mar 01] In pa_o.ml fixed problem, did not parse:
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class ['a, 'b] cl a b : ['a, 'b] classtype
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- [9 Oct 00] Raise now Stream.Error when parsing with an empty entry (meaning
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that the user probably forgot to initialize it).
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- [21 Jul 00] Fixed (pr_o.cmo) pb of bad printing of
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let (f : unit -> int) = fun () -> 1
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- [10 Jun, 21 Jul 00] Added Pcaml.sync to synchronize after syntax error in
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toplevel.
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- [24 May 00] Changed the "make opt", returning to what was done in the
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previous releases, i.e. just the compilation of the library (6 files).
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The native code compilation of "camlp4o" and "camlp4r" are not absolutely
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necessary and can create problems in some systems because of too long code.
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The drawbacks are more important than the advantages.
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- [19 May 00] Changed option -split_gext (when pa_extend.cmo is loaded) into
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-split_ext: it applies now also for non functorial grammars (extended by
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EXTEND instead of GEXTEND).
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- [12 May 00] Fixed problem in pr_rp.cmo and pr_op.cmo: the pretty printing
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of the construction "match x with parser" did not work (because of the
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type constraint "Stream.t _" added some versions ago).
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Camlp4 Version 3.00:
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--------------------
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- [Apr 19, 00] Added "pa_olabl" for labels with old Olabl syntax.
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- [Apr 18, 00] Make opt now builds camlp4o.opt and camlp4r.opt
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- [Apr 17, 00] Added support for labels and variants.
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- [Mar 28, 00] Improved the grammars: now the rules starting with n
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terminals are locally LL(n), i.e. if any of the terminal fails, it is
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not Error but just Failure. Allows to write the Ocaml syntax case:
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( operator )
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( expr )
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with the problem of "( - )" as:
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"("; "-"; ")"
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"("; operator; ")"
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"("; expr; ")"
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after factorization of the "(", the rule "-"; ")" is locally LL(2): it
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works for this reason. In the previous implementation, a hack had to be
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added for this case.
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To allow this, the interface of "Token" changed. The field "tparse" is
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now of type "pattern -> option (Stream.t t -> string)" instead of
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"pattern -> Stream.t t -> string". Set it to "None" for standard pattern
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parsing (or if you don't know).
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Camlp4 Version 2.04:
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--------------------
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- [Nov 23, 99] Changed the module name Config into Oconfig, because of
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conflict problem when applications want to link with the module Config of
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Ocaml.
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Camlp4 Version 2.03:
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--------------------
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* pr_depend:
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- [Jun 25, 99] Added missing case in "pr_depend.cmo": pattern A.B.C.
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- [Jun 5, 99] Fixed in "pr_depend.ml" case expression "Foo.Bar" displaying a
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bad dependency with file "bar.ml" if existed. And changed "pa_r.ml"
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(revised syntax parsing) to generate a more logical ast for case
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"var.Mod.lab".
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- [Apr 29, 99] Added missing cases in "pr_o.cmo" and in "pr_depend.cmo".
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- [Mar 11, 99] Added missing cases in "pr_depend.cmo".
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- [Mar 9, 99] Added missing case in pr_depend.ml.
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* Other:
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- [Sep 10, 99] Updated from current Ocaml new interfaces.
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- [Jul 9, 99] Added stream type constraint in pa_oop.ml to reflect the same
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change in Ocaml.
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- [Jun 24, 99] Added missing "constraint" construction in types
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- [Jun 15, 99] Added option -I for command "mkcamlp4".
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- [May 14, 99] Added man pages (links) for camlp4o, camlp4r, mkcamlp4, ocpp
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- [May 10, 99] Added shell script "configure_batch" in directory "config".
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- [May 10, 99] Changed LICENSE to BSD.
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- [Apr 29, 99] Added "ifdef" for mli files.
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- [Apr 11, 99] Changed option "-no_cp" into "-sep" in pr_r.cmo and pr_o.cmo.
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- [Apr 11, 99] Fixed (old) bug: too long strings where bad pretty printed.
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- [Mar 24, 99] Added missing stream type constraint for parsers.
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- [Mar 17, 99] Changed template Makefile to use ocamlc.opt and ocamlopt.opt
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by default, instead of ocamlc and ocamlopt.
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- [Mar 9, 99] Added ifndef in pa_ifdef.ml.
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- [Mar 7, 99] Completed and fixed some cases in pr_extend.ml.
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Camlp4 Version 2.02:
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--------------------
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* Parsing:
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- [Feb 27, 99] Fixed 2 bugs, resulting of incorrect Ocaml parsing of the
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program example: "type t = F(B).t"
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- [Jan 30, 99] Fixed bug "pa_op.ml", could not parse "parser | [<>] -> ()".
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- [Jan 16, 99] Added "define" and "undef" in "pa_ifdef.cmo".
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- [Dec 22, 98] Fixed precedence of "!=" in Ocaml syntax
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* Printing:
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- [Mar 4, 99] Added pr_depend.cmo for printing file dependencies.
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- [Dec 28, 98] Fixed pretty printing of long strings starting with spaces;
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used to display "\\n<spaces>..." instead of "<spaces>\\n...".
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* Camlp4:
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- [Feb 19, 99] Sort command line argument list in reverse order to
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avoid argument names conflicts when adding arguments.
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* Olabl:
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- [Feb 26, 99] Started extensions for Olabl: directory "lablp4" and some
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changes in MLast. Olabl programs can be preprocessed by:
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camlp4 pa_labl.cma pr_ldump.cmo
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* Internal:
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- Use of pr_depend.cmo instead of ocamldep for dependencies.
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Camlp4 Version 2.01:
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--------------------
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Token interface
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* Big change: the type for tokens and tokens patterns is now (string * string)
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the first string being the constructor name and the second its possible
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parameters. No change in EXTEND statements using Plexer. But lexers
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have:
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- a supplementary parameter "tparse" to specify how to parse token
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from token patterns.
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- fields "using" and "removing" replacing "add_keyword" and
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"remove_keyword".
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See the file README-2.01 for how to update your programs and the interface
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of Token.
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Grammar interface
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* The function "keywords" have been replaced by "tokens". The equivalent
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of the old statement:
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Grammar.keywords g
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is now:
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Grammar.tokens g ""
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Missing features added
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* Added "lazy" statement (pa_r.cmo, pa_o.cmo, pr_r.cmo, pr_o.cmo)
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* Added print "assert" statement (pr_o.cmo, pr_r.cmo)
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* Added parsing of infix operators like in Ocaml (e.g. |||) in pa_o.cmo
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Compilation
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* Added "make scratch"
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* Changed Makefile. No more "make T=../", working bad in some systems.
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* Some changes to make compilation in Windows 95/98 working better (thanks
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to Patricia Peratto).
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Classes and objects
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* Added quotations for classes and objects (q_MLast.ml)
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* Added accessible entries in module Pcaml (class_type, class_expr, etc.)
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* Changed classes and objects types in definition (module MLast)
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Miscelleneous
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* Some adds in pa_sml.cmo. Thanks to Franklin Chen.
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* Added option "-no_cp" when "pr_o.cmo" or "pr_r.cmo" is loaded: do
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not print comments between phrases.
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* Added option "-split_gext" when "pa_extend.cmo" is loaded: split GEXTEND
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by functions to turn around a PowerPC problem.
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Bug fixes
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* Fixed pa_r.cmo, pa_o.cmo to parse, and pr_r.cmo, pr_o.cmo to print "(x:#M.c)"
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* Fixed printing pr_o.cmo of "(a.b <- 1)::1"
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* Extended options with parameters worked only when the parameter was sticked.
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Ex:
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camlp4o pr_o.cmo -l120 foo.ml
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worked, but not:
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camlp4o pr_o.cmo -l 120 foo.ml
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Camlp4 Version 2.00:
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--------------------
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* Designation "righteous" has been renamed "revised".
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* Added class and objects in Ocaml printing (pr_o.cmo), revised parsing
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(pa_r.cmo) and printing (pr_r.cmo).
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* Fixed bug in Ocaml syntax: let _, x = 1, 2;; was refused.
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Camlp4 Version 2.00--1:
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-----------------------
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* Added classes and objects in Ocaml syntax (pa_o.cmo)
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* Fixed pr_r.cmo et pr_r.cmo which wrote on stdout, even when option -o
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Camlp4 Version 2.00--:
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----------------------
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* Adapted for Ocaml 2.00.
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* No objects and classes in this version.
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* Added "let module" parsing and printing.
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* Added arrays patterns parsing and printing.
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* Added records with "with" "{... with ...}" parsing and printing
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* Added # num "string" in plexer (was missing).
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* Fixed bug in pr_o.cmo: module A = B (C);; was printed module A = B C;;
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* Added "pa_sml.cmo", SML syntax + "lib.sml"
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* Fixed bug in pa_r.ml and pa_o.ml: forgot to clear let_binding
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* Changed Plexer: unknown keywords do not raise error but return Tterm
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* q_MLast.cmo: suppressed <:expr< [$list:el$] >> (cannot work)
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* Added option "-no_ss" (no ;;) when "pr_o.cmo" loaded
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* Many changes and bug fixing in pretty printing pr_o.cmo and pr_r.cmo
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* Command ocpp works now without having to explicitely load
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"/usr/local/lib/ocaml/stdlib.cma" and
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"/usr/local/lib/camlp4/gramlib.cma"
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* Fixed problem of pretty print "&" and "or" in normal and righteous syntaxes
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* Added missing statement "include" in signature item in normal and righteous
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syntaxes
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* Changed precedence of ":=" and "<-" in normal syntax (pa_o et pr_o):
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now before "or", like in Ocaml compiler.
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* Same change in righteous syntax, by symmetry.
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Camlp4 Version 1.07.2:
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----------------------
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Errors and missings in normal and righteous syntaxes.
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* Added forgotten syntax (righteous): type constraints in class type fields.
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* Added missing syntax (normal): type foo = bar = {......}
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* Added missing syntax (normal): did not accept separators before ending
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constructions (many of them).
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* Fixed bug: "assert false" is now of type 'a, like in Ocaml.
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* Fixed to match Ocaml feature: "\^" is "\^" in Ocaml, but just "^" in Camlp4.
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* Fixed bug in Windows NT/95: problem in backslash before newlines in strings
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Grammars, EXTEND, DELETE_RULE
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* Added functorial version for grammars (started in version 1.07.1,
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completed in this version).
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* Added statements GEXTEND and GDELETE_RULE in pa_extend.cmo for functorial
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version.
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* EXTEND statement is added AFTER "top" instead of LEVEL "top" (because
|
|
of problems parsing "a; EXTEND...")
|
|
* Added ability to have expressions (in antiquotation form) of type string in
|
|
EXTEND after keywords "LIDENT", "UIDENT", "IDENT", "ANTIQUOT", "INT" as
|
|
in others constructions inside EXTEND.
|
|
* A grammar rule hidden by another is not deleted but just masked. DELETE_RULE
|
|
will restore the old version.
|
|
* DELETE_RULE now raises Not_found if no rule matched.
|
|
* Fixed bug: DELETE_RULE did not work when deleting a rule which is a prefix of
|
|
another rule.
|
|
* Some functions for "system use" in [Grammar] become "official":
|
|
[Entry.obj], [extend], [delete_rule].
|
|
|
|
Command line, man page
|
|
|
|
* Added option -o: output on file instead of standard output, necessary
|
|
to allow compilation in Windows NT/95 (in fact, this option exists since
|
|
1.07.1 but forgotten in its "changes" list).
|
|
* Command line option -help more complete.
|
|
* Updated man page: camlp4 options are better explained.
|
|
* Fixed bug: "camlp4 [other-options] foo.ml" worked but not
|
|
"camlp4 foo.ml [other-options]".
|
|
* Fixed bug: "camlp4 foo" did not display a understandable error message.
|
|
|
|
Camlp4's compilation
|
|
|
|
* Changes in compilation process in order to try to make it work better for
|
|
Windows NT under Cygnus.
|
|
|
|
Miscellaneous
|
|
|
|
* Added [Pcaml.add_option] for adding command line options.
|
|
|
|
Camlp4 Version 1.07.1:
|
|
----------------------
|
|
|
|
* Added forgotten syntax in pr_o: type x = y = A | B
|
|
* Fixed bug negative floats parsing in pa_o => error while pretty printing
|
|
* Added assert statement and option -noassert.
|
|
* Environment variable CAMLP4LIB to change camlp4 library directory
|
|
* Grammar: empty rules have a correct location instead of (-1, -1)
|
|
* Compilation possible in Windows NT/95
|
|
* String constants no more shared while parsing Ocaml
|
|
* Fixed bug in antiquotations in q_MLast.cmo (bad errors locations)
|
|
* Fixed bug in antiquotations in q_MLast.cmo (EOI not checked)
|
|
* Fixed bug in Plexer: could not create keywords with iso 8859 characters
|
|
|
|
Camlp4 Version 1.07:
|
|
--------------------
|
|
|
|
* Changed version number + configuration script
|
|
* Added iso 8859 uppercase characters for uidents in plexer.ml
|
|
* Fixed bug factorization IDENT in grammars
|
|
* Fixed bug pr_o.cmo was printing "declare"
|
|
* Fixed bug constructor arity in Ocaml syntax (pa_o.cmo).
|
|
* Changed "lazy" into "slazy".
|
|
* Completed pa_ifdef.cmo.
|
|
|
|
Camlp4 Version 1.06:
|
|
--------------------
|
|
|
|
* Adapted to Ocaml 1.06.
|
|
* Changed version number to match Ocaml's => 1.06 too.
|
|
* Deleted module Gstream, using Ocaml's Stream.
|
|
* Generate different AST for C(x,y) and C x y (change done in Ocaml's compiler)
|
|
* No more message "Interrupted" in toplevel in case of syntax error.
|
|
* Added flag to suppress warnings while extending grammars.
|
|
* Completed some missing statements and declarations (objects)
|
|
* Modified odyl implementation; works better
|
|
* Added ability to extend command line specification
|
|
* Added "let_binding" as predefined (accessible) entry in Pcaml.
|
|
* Added construction FUNCTION in EXTEND statement to call another function.
|
|
* Added some ISO-8859-1 characters in lexer identifiers.
|
|
* Fixed bug "value x = {val = 1};" (righteous syntax)
|
|
* Fixed bug "open A.B.C" was interpreted as "open B.A.C"
|
|
* Modified behavior of "DELETE_RULE": the complete rule must be provided
|
|
* Completed quotations MLast ("expr", "patt", etc) to accept whole language
|
|
* Renamed "LIKE" into "LEVEL" in grammar EXTEND
|
|
* Added "NEXT" as grammar symbol in grammar EXTEND
|
|
* Added command "mkcamlp4" to make camlp4 executables linked with C code
|
|
* Added "pr_extend.cmo" to reconstitute EXTEND instructions
|
|
|
|
Camlp4 Version 0.6:
|
|
-------------------
|
|
|
|
--- Installing
|
|
|
|
* To compile camlp4, it is no more necessary to have the sources of the
|
|
Objective Caml compiler available. It can be compiled like any other
|
|
Objective Caml program.
|
|
|
|
--- Options of "camlp4"
|
|
|
|
* Added option -where: "camlp4 -where" prints the name of the standard
|
|
library directory of Camlp4 and exit. So, the ocaml toplevel and the
|
|
compiler can use the option:
|
|
-I `camlp4 -where`
|
|
|
|
* Added option -nolib to not search for objects files in the installed
|
|
library directory of Camlp4.
|
|
|
|
--- Interface of grammar library modules
|
|
|
|
* The function Grammar.keywords returns now a list of pairs. The pair is
|
|
composed of a keyword and the number of times it is used in entries.
|
|
|
|
* Changed interface of Token and Grammar for lexers, so user lexers have
|
|
to be changed.
|
|
|
|
--- New features in grammars
|
|
|
|
* New instruction "DELETE_RULE" provided by pa_extend.cmo to delete rules.
|
|
Ex:
|
|
DELETE_RULE Pcaml.expr: "if" END;
|
|
deletes the "if" instruction of the language.
|
|
|
|
* Added the ability to parse some specific integer in grammars: a possible
|
|
parameter to INT, like the ones for LIDENT and UIDENT.
|
|
|
|
* In instruction EXTEND, ability to omit "-> action", default is "-> ()"
|
|
|
|
* Ability to add antiquotation (between $'s) as symbol rule, of type string,
|
|
interpreted as a keyword, in instruction EXTEND.
|
|
|
|
* Ability to put entries with qualified names (Foo.bar) in instruction EXTEND.
|
|
|
|
--- Quotations
|
|
|
|
* The module Ast has been renamed MLast. The quotation expander "q_ast.cmo"
|
|
has been renamed "q_MLast.cmo".
|
|
|
|
* Quotation expanders are now of two kinds:
|
|
- The "classical" type for expanders returning a string. These expanders
|
|
have now a supplementary parameter: a boolean value set to "True"
|
|
when the quotation is in a context of an expression an to "False"
|
|
when the quotation is in a context of a pattern. These expanders,
|
|
returning strings which are parsed afterwards, may work for some
|
|
language syntax and/or language extensions used (e.g. may work for
|
|
Righteous syntax and not for Ocaml syntax).
|
|
- A new type of expander returning directly syntax trees. A pair
|
|
of functions, for expressions and for patterns must be provided.
|
|
These expanders are independant from the language syntax and/or
|
|
extensions used.
|
|
|
|
* The predefined quotation expanders "ctyp_", "patt_" and "expr_" has
|
|
been deleted; one can use "ctyp", "patt", and "expr" in position of
|
|
pattern or expression.
|
|
|
|
--- Ocaml and Righteous syntaxes
|
|
|
|
* Fixed bug: "open Foo.Bar" was converted (pr_dump.cmo) into "open Bar.Foo"
|
|
|
|
* Corrected behavior different from Ocaml's: "^" and "@" were at the same
|
|
level than "=": now, like Ocaml, they have a separated right associative
|
|
level.
|
|
|
|
--- Grammars behavior
|
|
|
|
* While extending entries: default position is now "extension of the
|
|
first level", instead of "adding a new level at the end".
|
|
|
|
* Another Change: in each precedence level, terminals are inserted before
|
|
other symbols (non terminals, lists, options, etc), LIDENT "foo" before
|
|
LIDENT (alone) and UIDENT "foo" before UIDENT (alone). New rules not
|
|
factorizable are now inserted before the other rules.
|
|
|
|
* Changed algorithm of entries parsing: each precedence level is tested
|
|
against the stream *before* its next precedences levels (instead of
|
|
*after*):
|
|
EXTEND e: [[ LIDENT "a" -> "xxx" ] | [ i = LIDENT -> i ]]; END;
|
|
Now, parsing the entry e with the string "a" returns "xxx" instead of "a"
|
|
|
|
* Less keywords in instruction EXTEND (LEFTA, LIDENT, etc), which can be
|
|
used now as normal identifiers.
|
|
|
|
* When inserting a new rule, a warning appears if a rule with the
|
|
same production already existed (it is deleted).
|
|
|
|
* Parse error messages (Gstream.Error) are formatted => spaces trigger
|
|
Format.print_space and newlines trigger Format.force_newline.
|
|
|
|
|
|
Camlp4 Version 0.5:
|
|
-------------------
|
|
|
|
* Possible creation of native code library (make opt)
|
|
|
|
* Ocaml and Righteous Syntax more complete
|
|
|
|
* Added pa_ru.cmo for compiling sequences of type unit (Righteous)
|
|
|
|
* Quotations AST
|
|
- No more quotation long_id
|
|
- Antiquotations for identifiers more simple
|
|
|
|
* Lot of small changes
|
|
|
|
|
|
Camlp4 Version 0.4:
|
|
-------------------
|
|
|
|
* First distributed version
|