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* Add comments to some of the enum roff_tok values;Ingo Schwarze2022-04-301-12/+12
| | | | | | particularly useful for values that have non-obvious semantics like ROFF_MAX, ROFF_cblock, ROFF_RENAMED, and TOKEN_NONE; no code change.
* Use a separate node->tag attribute rather than abusing the node->stringIngo Schwarze2020-04-081-0/+1
| | | | | attribute for the purpose. No functional change intended. The purpose is to make it possible to later attach tags to text nodes.
* Support manual tagging of .Pp, .Bd, .D1, .Dl, .Bl, and .It.Ingo Schwarze2020-04-061-2/+3
| | | | | | In HTML output, improve the logic for writing inside permalinks: skip them when there is no child content or when there is a risk that the children might contain flow content.
* Fully support explicit tagging of .Sh and .Ss.Ingo Schwarze2020-02-271-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | This fixes the offset of two lines in terminal output and this improves HTML output by putting the id= attribute and <a> element into the respective <h1> or <h2> element rather than writing an additional <mark> element. To that end, introduce node flags NODE_ID (to make the node a link target, for example by writing an HTML id= attribute or by calling tag_put()) and NODE_HREF (to make the node a link source, used only in HTML output, used only to write an <a class="permalink"> element). In particular: * In the validator, generalize the concept of the "next node" such that it also works before .Sh and .Ss. * If the first argument of .Tg is empty, don't forget to complain if there are additional arguments, which will be ignored. * In the terminal formatter, support writing of explicit tags for all kinds of nodes, not just for .Tg. * In deroff(), allow nodes to have an explicit string representation even when they aren't text nodes. Use this for explicitly tagged section headers. Suprisingly, this is sufficient to make HTML output work, without explicit code changes in the HTML formatter. * In syntax tree output, display NODE_ID and NODE_HREF.
* Introduce the concept of nodes that are semantically transparent:Ingo Schwarze2020-02-271-2/+6
| | | | | | | | | | | | | | they are skipped when looking for previous or following high-level macros. Examples include roff(7) .ft, .ll, and .ta, mdoc(7) .Sm and .Tg, and man(7) .DT and .PD. Use this concept for a variety of improved decisions in various validators and formatters. While here, * remove a few const qualifiers on struct arguments that caused trouble; * get rid of some more Yoda notation in the vicinity; * and apply some other stylistic improvements in the vicinity. I found this class of issues while considering .Tg patches from kn@.
* Introduce a new mdoc(7) macro .Tg ("tag") to explicitly mark a placeIngo Schwarze2020-01-191-1/+2
| | | | | | | | | | | | | | | as defining a term. Please only use it when automatic tagging does not work. Manual page authors will not be required to add the new macro; using it remains optional. HTML output is still rudimentary in this version and will be polished later. Thanks to kn@ for reminding me that i have been considering since BSDCan 2014 whether something like this might be useful. Given that possibilities of making automatic tagging better are running out and there are still several situations where automatic tagging cannot do the job, i think the time is now ripe. Feedback and no objection from millert@; OK espie@ inoguchi@ kn@.
* When the -S option is given to man(1) and the requested manual pageIngo Schwarze2019-03-041-1/+2
| | | | | | | | | | | | name is not found and the requested architecture is unknown, complain about the architecture rather than about the manual page name: $ man -S vax cpu man: Unknown architecture "vax". $ man -S sparc64 foobar man: No entry for foobar in the manual. Friendlier error message suggested by jmc@, who also OK'ed the patch.
* Store the fill mode with a new flag NODE_NOFILL in every node,Ingo Schwarze2018-12-311-7/+8
| | | | | | like it is already done with NODE_SYNPRETTY, such that the fill mode becomes more directly available to the formatters. Not used yet, but will be used by upcoming commits.
* Move parsing of the .nf and .fi (fill mode) requests from the man(7)Ingo Schwarze2018-12-311-4/+2
| | | | | | parser to the roff(7) parser. As a side effect, .nf and .fi are now also parsed in mdoc(7) input, though the mdoc(7) formatters still ignore most of their effect.
* Cleanup, no functional change:Ingo Schwarze2018-12-301-39/+4
| | | | | | | | | | | | | | The struct roff_man used to be a bad mixture of internal parser state and public parsing results. Move the public results to the parsing result struct roff_meta, which is already public. Move the rest of struct roff_man to the parser-internal header roff_int.h. Since the validators need access to the parser state, call them from the top level parser during mparse_result() rather than from the main programs, also reducing code duplication. This keeps parser internal state out of thee main programs (five in mandoc portable) and out of eight formatters.
* Cleanup, no functional change:Ingo Schwarze2018-12-141-1/+0
| | | | | | | | | | Now that message handling is properly encapsulated, remove struct mparse pointers from four structs (roff, roff_man, tbl_node, eqn_node) and from the argument lists of five functions (roff_alloc, roff_man_alloc, mandoc_getarg, tbl_alloc, eqn_alloc). Except for being passed to the main program as an opaque object, it now only occurs in read.c, as it should, and not across 15 files like in the past.
* Cleanup, no functional change:Ingo Schwarze2018-12-131-0/+6
| | | | | | | | | | Split the top level parser interface out of the utility header mandoc.h, into a new header mandoc_parse.h, for use in the main program and in the main parser only. Move enum mandoc_os into roff.h because struct roff_man is the place where it is stored. This allows removal of mandoc.h from seven files in low-level parsers and in formatters.
* Cleanup, no functional change:Ingo Schwarze2018-12-131-3/+2
| | | | | | Move the roffhash_*() functions from roff.h to roff_int.h because they are only intended for use by parsers, neither by main programs nor by formatters.
* Cleanup, no functional change:Ingo Schwarze2018-12-131-1/+1
| | | | | Move tbl(7)-specific parser internals out of libroff.h. Move some tbl(7)-internal processing from roff.c to tbl.c.
* implement the GNU man-ext .SY/.YS (synopsis block) macro in man(7),Ingo Schwarze2018-08-181-1/+3
| | | | used in most manual pages of the groff package
* implement the GNU man-ext .TQ macro in man(7),Ingo Schwarze2018-08-161-0/+1
| | | | used for example by groff_diff(7)
* preserve comments before .Dd when converting mdoc(7) to man(7)Ingo Schwarze2018-04-111-0/+1
| | | | with mandoc -Tman; suggested by Thomas Klausner <wiz at NetBSD>
* 1. Eliminate struct eqn, instead use the existing membersIngo Schwarze2017-07-081-1/+1
| | | | | | of struct roff_node which is allocated for each equation anyway. 2. Do not keep a list of equation parsers, one parser is enough. Minus fifty lines of code, no functional change.
* add support for the MT and ME mailto macros, used for example in wg(8);Ingo Schwarze2017-06-251-0/+2
| | | | patch from bentley@
* Split -Wstyle into -Wstyle and the even lower -Wbase, and addIngo Schwarze2017-06-241-9/+3
| | | | | | | | | | | | | | | -Wopenbsd and -Wnetbsd to check conventions for the base system of a specific operating system. Mark operating system specific messages with "(OpenBSD)" at the end. Please use just "-Tlint" to check base system manuals (defaulting to -Wall, which is now -Wbase), but prefer "-Tlint -Wstyle" for the manuals of portable software projects you maintain that are not part of OpenBSD base, to avoid bogus recommendations about base system conventions that do not apply. Issue originally reported by semarie@, solution using an idea from tedu@, discussed with jmc@ and jca@.
* style message about missing RCS ids; inspired by mdoclintIngo Schwarze2017-06-171-0/+1
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* Naive implementation of the roff(7) .po (page offset) request.Ingo Schwarze2017-06-141-1/+1
| | | | | | This clearly works when .po is called on the top level, but might not be sophisticated enough if people call .po inside indentation-changing contexts, but i haven't seen that in manual pages (yet :).
* implement roff(7) .rj (right justify) requestIngo Schwarze2017-06-141-1/+1
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* style checks related to .Er; inspired by mdoclint(1)Ingo Schwarze2017-06-071-0/+7
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* Implement the roff(7) .rn (rename macro or string) request.Ingo Schwarze2017-06-071-0/+1
| | | | | | | | | | Renaming a user-defined macro is very simple: just copy the definition to the new name and delete the old name. Renaming high-level macros is a bit tricky: use a dedicated key-value-table, with non-standard names as keys and standard names as values. When a macro is found that is not user-defined, look it up in the "renamed" table and translate it back to the standard name before passing it on to the high-level parsers.
* Minimal implementation of the roff(7) .ce request (center a numberIngo Schwarze2017-06-061-1/+1
| | | | | of input lines without filling). Contrary to groff, high-level macros abort .ce mode for now.
* Implement the roff(7) .mc (right margin character) request.Ingo Schwarze2017-06-041-1/+1
| | | | | | The Tcl/Tk manual pages use this extensively. Delete the TERM_MAXMARGIN hack, it breaks .mc inside .nf; instead, implement a proper TERMP_BRNEVER flag.
* Basic implementation of the roff(7) .ti (temporary indent) request.Ingo Schwarze2017-05-081-1/+1
| | | | Needed by about four dozen ports (thanks to naddy@ for the research).
* Basic implementation of the roff(7) .ta (define tab stops) request.Ingo Schwarze2017-05-071-1/+1
| | | | | | This is the first feature made possible by the parser reorganization. Improves the formatting of the SYNOPSIS in many Xenocara GL manuals. Also important for ports, as reported by many, including naddy@.
* Move .sp to the roff modules. Enough infrastructure is in placeIngo Schwarze2017-05-051-3/+1
| | | | now that this actually saves code: -70 LOC.
* move .ll to the roff modulesIngo Schwarze2017-05-051-3/+1
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* Move handling of the roff(7) .ft request from the man(7)Ingo Schwarze2017-05-051-2/+2
| | | | | modules to the new roff(7) modules. As a side effect, mdoc(7) now handles .ft, too. Of course, do not use that.
* Parser reorg:Ingo Schwarze2017-05-041-4/+3
| | | | | Generate the first node on the roff level: .br Fix some column numbers in diagnostic messages while here.
* Parser unification: use nice ohashes for all three request and macro tables;Ingo Schwarze2017-04-291-0/+7
| | | | no functional change, minus two source files, minus 200 lines of code.
* Continue parser unification:Ingo Schwarze2017-04-241-2/+412
| | | | | | | | * Make enum rofft an internal interface as enum roff_tok in "roff.h". * Represent mdoc and man macros in enum roff_tok. * Make TOKEN_NONE a proper enum value and use it throughout. * Put the prologue macros first in the macro tables. * Unify mdoc_macroname[] and man_macroname[] into roff_name[].
* Remove the ENDBODY_NOSPACE flag, simplifying the code.Ingo Schwarze2017-02-161-2/+1
| | | | | | | | Comparing to groff output, it appears that all cases where it was used and made a difference actually require the opposite, ENDBODY_SPACE. I have no idea why i added it back in 2010; maybe to compensate for some other bug that has long been fixed.
* unify names of AST node flags; no change of cpp outputIngo Schwarze2017-01-101-11/+8
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* Introduce flags NODE_NOSRC and NODE_NOPRT for AST nodes.Ingo Schwarze2017-01-101-2/+4
| | | | | | | | | Use them to mark generated nodes and nodes that shall not produce output. Let -Ttree output mode display these new flags. Use NODE_NOSRC for .Ar, .Mt, and .Pa default arguments. Use NODE_NOPRT for .Dd, .Dt, and .Os. These will help to make handling of text production macros more rigorous.
* Delete the redundant "nchild" member of struct roff_node, replacingIngo Schwarze2016-01-081-1/+0
| | | | | | | | most uses by one, a few by two pointer checks, and only one by a tiny loop - not only making data smaller, but code shorter as well. This gets rid of an implicit invariant that confused both static analysis tools and human auditors. No functional change.
* In private header files, __BEGIN_DECLS and __END_DECLS are pointless.Ingo Schwarze2015-11-071-3/+0
| | | | | | | | | | | | Because these work slightly differently on different systems, they are becoming a maintenance burden in the portable version, so delete them. Besides, one of the chief design goals of the mandoc toolbox is to make sure that nothing related to documentation requires C++. Consequently, linking mandoc against any kind of C++ program would defeat the purpose and is not supported. I don't understand why kristaps@ added them in the first place.
* Very tricky diff to fix macro interpretation and spacing around tabsIngo Schwarze2015-10-171-2/+5
| | | | | | | | | | | | | | in .Bl -column; it took me more than a day to get this right. Triggered by a loosely related bug report from tim@. The lesson for you is: Use .Ta macros in .Bl -column, avoid tabs, or you are in for surprises: The last word before a tab is not interpreted as a macro (unless there is a blank in between), the first word after a tab isn't either (unless there is a blank in between), and a blank after a tab causes a leading blank in the respective output cell. Yes, "blank", "tab", "blank tab" and "tab blank" all have different semantics; if you write code relying on that, good luck maintaining it afterwards...
* Unify mdoc_deroff() and man_deroff() into a common function deroff().Ingo Schwarze2015-04-231-0/+6
| | | | | | | | No functional change except that for mdoc(7), it now skips leading escape sequences just like it already did for man(7). Escape sequences rarely occur in mdoc(7) code and if they do, skipping them is an improvement in this context. Minus 30 lines of code.
* Decouple the token code for "no request or macro" from the individualIngo Schwarze2015-04-191-0/+1
| | | | | | high-level parsers to allow further unification of functions that only need to recognize this code, but that don't care about different high-level macrosets beyond that.
* Profit from the unified struct roff_man and reduce the number ofIngo Schwarze2015-04-181-0/+7
| | | | | arguments of mparse_result() by one. No functional change. Written on the ICE Bruxelles-Koeln on the way back from p2k15.
* Replace the structs mdoc and man by a unified struct roff_man.Ingo Schwarze2015-04-181-1/+35
| | | | | Almost completely mechanical, no functional change. Written on the train from Exeter to London returning from p2k15.
* Third step towards parser unification:Ingo Schwarze2015-04-021-0/+11
| | | | | Replace struct mdoc_meta and struct man_meta by a unified struct roff_meta. Written of the train from London to Exeter on the way to p2k15.
* Second step towards parser unification:Ingo Schwarze2015-04-021-0/+77
| | | | | | | | | Replace struct mdoc_node and struct man_node by a unified struct roff_node. To be able to use the tok member for both mdoc(7) and man(7) without defining all the macros in roff.h, sacrifice a tiny bit of type safety and make tok an int rather than an enum. Almost mechanical, no functional change. Written on the Eurostar from Bruxelles to London on the way to p2k15.
* First step towards parser unification:Ingo Schwarze2015-04-021-0/+29
| | | | | | Replace enum mdoc_type and enum man_type by a unified enum roff_type. Almost mechanical, no functional change. Written on the ICE train from Frankfurt to Bruxelles on the way to p2k15.
* Step 2: blow away roff.h, as all of its functions have been moved intoKristaps Dzonsons2011-03-221-24/+0
| | | | libmandoc.h and there's nothing left.
* Step 1 of restructuring: libmandoc.h. Move all compiler-set-specificKristaps Dzonsons2011-03-221-23/+0
| | | | | | | | | | stuff into libmandoc.h, including old mdoc.h/man.h/roff.h functions now used by read.c. The motivation behind this is to tighten the relationship between the underlying compilers while keeping parse data hidden from general callers (e.g., main.c). While here, also move register values from mandoc.h into libmandoc.h as noted by schwarze@. See above for explanation.
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