=================================================================== RCS file: /cvs/mandoc/mandoc.h,v retrieving revision 1.21 retrieving revision 1.265 diff -u -p -r1.21 -r1.265 --- mandoc/mandoc.h 2010/10/02 10:14:37 1.21 +++ mandoc/mandoc.h 2020/01/19 16:44:50 1.265 @@ -1,549 +1,319 @@ -/* $Id: mandoc.h,v 1.21 2010/10/02 10:14:37 kristaps Exp $ */ +/* $Id: mandoc.h,v 1.265 2020/01/19 16:44:50 schwarze Exp $ */ /* - * Copyright (c) 2010 Kristaps Dzonsons + * Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons + * Copyright (c) 2012-2020 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Error handling, escape sequence, and character utilities. */ -#ifndef MANDOC_H -#define MANDOC_H #define ASCII_NBRSP 31 /* non-breaking space */ #define ASCII_HYPH 30 /* breakable hyphen */ +#define ASCII_BREAK 29 /* breakable zero-width space */ -__BEGIN_DECLS - +/* + * Status level. This refers to both internal status (i.e., whilst + * running, when warnings/errors are reported) and an indicator of a + * threshold of when to halt (when said internal state exceeds the + * threshold). + */ enum mandoclevel { MANDOCLEVEL_OK = 0, - MANDOCLEVEL_RESERVED, - MANDOCLEVEL_WARNING, - MANDOCLEVEL_ERROR, - MANDOCLEVEL_FATAL, - MANDOCLEVEL_BADARG, - MANDOCLEVEL_SYSERR, + MANDOCLEVEL_STYLE, /* style suggestions */ + MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */ + MANDOCLEVEL_ERROR, /* input has been thrown away */ + MANDOCLEVEL_UNSUPP, /* input needs unimplemented features */ + MANDOCLEVEL_BADARG, /* bad argument in invocation */ + MANDOCLEVEL_SYSERR, /* system error */ MANDOCLEVEL_MAX }; +/* + * All possible things that can go wrong within a parse, be it libroff, + * libmdoc, or libman. + */ enum mandocerr { MANDOCERR_OK, - MANDOCERR_WARNING, /* ===== start of warnings ===== */ - MANDOCERR_UPPERCASE, /* text should be uppercase */ - MANDOCERR_SECOOO, /* sections out of conventional order */ - MANDOCERR_SECREP, /* section name repeats */ - MANDOCERR_PROLOGOOO, /* out of order prologue */ - MANDOCERR_PROLOGREP, /* repeated prologue entry */ - MANDOCERR_LISTFIRST, /* list type must come first */ - MANDOCERR_BADSTANDARD, /* bad standard */ - MANDOCERR_BADLIB, /* bad library */ - MANDOCERR_BADTAB, /* tab in non-literal context */ - MANDOCERR_BADESCAPE, /* bad escape sequence */ - MANDOCERR_BADQUOTE, /* unterminated quoted string */ - MANDOCERR_NOWIDTHARG, /* argument requires the width argument */ - /* FIXME: merge with MANDOCERR_IGNARGV. */ - MANDOCERR_WIDTHARG, /* superfluous width argument */ - MANDOCERR_IGNARGV, /* ignoring argument */ - MANDOCERR_BADDATE, /* bad date argument */ - MANDOCERR_BADWIDTH, /* bad width argument */ - MANDOCERR_BADMSEC, /* unknown manual section */ - MANDOCERR_SECMSEC, /* section not in conventional manual section */ - MANDOCERR_EOLNSPACE, /* end of line whitespace */ - MANDOCERR_SCOPENEST, /* blocks badly nested */ + MANDOCERR_BASE, /* ===== start of base system conventions ===== */ - MANDOCERR_ERROR, /* ===== start of errors ===== */ - MANDOCERR_NAMESECFIRST, /* NAME section must come first */ - MANDOCERR_BADBOOL, /* bad Boolean value */ - MANDOCERR_CHILD, /* child violates parent syntax */ - MANDOCERR_BADATT, /* bad AT&T symbol */ - MANDOCERR_LISTREP, /* list type repeated */ - MANDOCERR_DISPREP, /* display type repeated */ - MANDOCERR_ARGVREP, /* argument repeated */ - MANDOCERR_NONAME, /* manual name not yet set */ - MANDOCERR_MACROOBS, /* obsolete macro ignored */ - MANDOCERR_MACROEMPTY, /* empty macro ignored */ - MANDOCERR_BADBODY, /* macro not allowed in body */ - MANDOCERR_BADPROLOG, /* macro not allowed in prologue */ - MANDOCERR_BADCHAR, /* bad character */ - MANDOCERR_BADNAMESEC, /* bad NAME section contents */ - MANDOCERR_NOBLANKLN, /* no blank lines */ - MANDOCERR_NOTEXT, /* no text in this context */ - MANDOCERR_BADCOMMENT, /* bad comment style */ - MANDOCERR_MACRO, /* unknown macro will be lost */ - MANDOCERR_LINESCOPE, /* line scope broken */ - MANDOCERR_ARGCOUNT, /* argument count wrong */ - MANDOCERR_NOSCOPE, /* no such block is open */ - MANDOCERR_SCOPEREP, /* scope already open */ - MANDOCERR_SCOPEEXIT, /* scope open on exit */ - /* FIXME: merge following with MANDOCERR_ARGCOUNT */ - MANDOCERR_NOARGS, /* macro requires line argument(s) */ - MANDOCERR_NOBODY, /* macro requires body argument(s) */ - MANDOCERR_NOARGV, /* macro requires argument(s) */ - MANDOCERR_NOTITLE, /* no title in document */ - MANDOCERR_LISTTYPE, /* missing list type */ - MANDOCERR_DISPTYPE, /* missing display type */ - MANDOCERR_FONTTYPE, /* missing font type */ - MANDOCERR_ARGSLOST, /* line argument(s) will be lost */ - MANDOCERR_BODYLOST, /* body argument(s) will be lost */ - MANDOCERR_IGNPAR, /* paragraph macro ignored */ + MANDOCERR_MDOCDATE, /* Mdocdate found: Dd ... */ + MANDOCERR_MDOCDATE_MISSING, /* Mdocdate missing: Dd ... */ + MANDOCERR_ARCH_BAD, /* unknown architecture: Dt ... arch */ + MANDOCERR_OS_ARG, /* operating system explicitly specified: Os ... */ + MANDOCERR_RCS_MISSING, /* RCS id missing */ + MANDOCERR_XR_BAD, /* referenced manual not found: Xr name sec */ - MANDOCERR_FATAL, /* ===== start of fatal errors ===== */ - MANDOCERR_COLUMNS, /* column syntax is inconsistent */ - /* FIXME: this should be a MANDOCERR_ERROR */ - MANDOCERR_NESTEDDISP, /* displays may not be nested */ - MANDOCERR_BADDISP, /* unsupported display type */ - MANDOCERR_SCOPEFATAL, /* blocks badly nested */ - MANDOCERR_SYNTNOSCOPE, /* no scope to rewind: syntax violated */ - MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */ - MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */ - MANDOCERR_SYNTCHILD, /* child violates parent syntax */ - MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */ - MANDOCERR_NODOCBODY, /* no document body */ - MANDOCERR_NODOCPROLOG, /* no document prologue */ - MANDOCERR_UTSNAME, /* utsname system call failed */ - MANDOCERR_MEM, /* static buffer exhausted */ - MANDOCERR_MAX -}; + MANDOCERR_STYLE, /* ===== start of style suggestions ===== */ -enum regs { - REG_nS = 0, /* register: nS */ - REG__MAX -}; + MANDOCERR_DATE_LEGACY, /* legacy man(7) date format: Dd ... */ + MANDOCERR_DATE_NORM, /* normalizing date format to: ... */ + MANDOCERR_TITLE_CASE, /* lower case character in document title */ + MANDOCERR_RCS_REP, /* duplicate RCS id: ... */ + MANDOCERR_SEC_TYPO, /* possible typo in section name: Sh ... */ + MANDOCERR_ARG_QUOTE, /* unterminated quoted argument */ + MANDOCERR_MACRO_USELESS, /* useless macro: macro */ + MANDOCERR_BX, /* consider using OS macro: macro */ + MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */ + MANDOCERR_ER_REP, /* duplicate errno: Er ... */ + MANDOCERR_DELIM, /* trailing delimiter: macro ... */ + MANDOCERR_DELIM_NB, /* no blank before trailing delimiter: macro ... */ + MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping: fi */ + MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping: nf */ + MANDOCERR_DASHDASH, /* verbatim "--", maybe consider using \(em */ + MANDOCERR_FUNC, /* function name without markup: name() */ + MANDOCERR_SPACE_EOL, /* whitespace at end of input line */ + MANDOCERR_COMMENT_BAD, /* bad comment style */ -enum mant { - MAN_br = 0, - MAN_TH, - MAN_SH, - MAN_SS, - MAN_TP, - MAN_LP, - MAN_PP, - MAN_P, - MAN_IP, - MAN_HP, - MAN_SM, - MAN_SB, - MAN_BI, - MAN_IB, - MAN_BR, - MAN_RB, - MAN_R, - MAN_B, - MAN_I, - MAN_IR, - MAN_RI, - MAN_na, - MAN_i, - MAN_sp, - MAN_nf, - MAN_fi, - MAN_r, - MAN_RE, - MAN_RS, - MAN_DT, - MAN_UC, - MAN_PD, - MAN_Sp, - MAN_Vb, - MAN_Ve, - MAN_AT, - MAN_in, - MAN_MAX -}; + MANDOCERR_WARNING, /* ===== start of warnings ===== */ -enum man_type { - MAN_TEXT, - MAN_ELEM, - MAN_ROOT, - MAN_BLOCK, - MAN_HEAD, - MAN_BODY -}; + /* related to the prologue */ + MANDOCERR_DT_NOTITLE, /* missing manual title, using UNTITLED: line */ + MANDOCERR_TH_NOTITLE, /* missing manual title, using "": [macro] */ + MANDOCERR_MSEC_MISSING, /* missing manual section, using "": macro */ + MANDOCERR_MSEC_BAD, /* unknown manual section: Dt ... section */ + MANDOCERR_DATE_MISSING, /* missing date, using "": [macro] */ + MANDOCERR_DATE_BAD, /* cannot parse date, using it verbatim: date */ + MANDOCERR_DATE_FUTURE, /* date in the future, using it anyway: date */ + MANDOCERR_OS_MISSING, /* missing Os macro, using "" */ + MANDOCERR_PROLOG_LATE, /* late prologue macro: macro */ + MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macros */ -enum mdoct { - MDOC_Ap = 0, - MDOC_Dd, - MDOC_Dt, - MDOC_Os, - MDOC_Sh, - MDOC_Ss, - MDOC_Pp, - MDOC_D1, - MDOC_Dl, - MDOC_Bd, - MDOC_Ed, - MDOC_Bl, - MDOC_El, - MDOC_It, - MDOC_Ad, - MDOC_An, - MDOC_Ar, - MDOC_Cd, - MDOC_Cm, - MDOC_Dv, - MDOC_Er, - MDOC_Ev, - MDOC_Ex, - MDOC_Fa, - MDOC_Fd, - MDOC_Fl, - MDOC_Fn, - MDOC_Ft, - MDOC_Ic, - MDOC_In, - MDOC_Li, - MDOC_Nd, - MDOC_Nm, - MDOC_Op, - MDOC_Ot, - MDOC_Pa, - MDOC_Rv, - MDOC_St, - MDOC_Va, - MDOC_Vt, - MDOC_Xr, - MDOC__A, - MDOC__B, - MDOC__D, - MDOC__I, - MDOC__J, - MDOC__N, - MDOC__O, - MDOC__P, - MDOC__R, - MDOC__T, - MDOC__V, - MDOC_Ac, - MDOC_Ao, - MDOC_Aq, - MDOC_At, - MDOC_Bc, - MDOC_Bf, - MDOC_Bo, - MDOC_Bq, - MDOC_Bsx, - MDOC_Bx, - MDOC_Db, - MDOC_Dc, - MDOC_Do, - MDOC_Dq, - MDOC_Ec, - MDOC_Ef, - MDOC_Em, - MDOC_Eo, - MDOC_Fx, - MDOC_Ms, - MDOC_No, - MDOC_Ns, - MDOC_Nx, - MDOC_Ox, - MDOC_Pc, - MDOC_Pf, - MDOC_Po, - MDOC_Pq, - MDOC_Qc, - MDOC_Ql, - MDOC_Qo, - MDOC_Qq, - MDOC_Re, - MDOC_Rs, - MDOC_Sc, - MDOC_So, - MDOC_Sq, - MDOC_Sm, - MDOC_Sx, - MDOC_Sy, - MDOC_Tn, - MDOC_Ux, - MDOC_Xc, - MDOC_Xo, - MDOC_Fo, - MDOC_Fc, - MDOC_Oo, - MDOC_Oc, - MDOC_Bk, - MDOC_Ek, - MDOC_Bt, - MDOC_Hf, - MDOC_Fr, - MDOC_Ud, - MDOC_Lb, - MDOC_Lp, - MDOC_Lk, - MDOC_Mt, - MDOC_Brq, - MDOC_Bro, - MDOC_Brc, - MDOC__C, - MDOC_Es, - MDOC_En, - MDOC_Dx, - MDOC__Q, - MDOC_br, - MDOC_sp, - MDOC__U, - MDOC_Ta, - MDOC_MAX -}; + /* related to document structure */ + MANDOCERR_SO, /* .so is fragile, better use ln(1): so path */ + MANDOCERR_DOC_EMPTY, /* no document body */ + MANDOCERR_SEC_BEFORE, /* content before first section header: macro */ + MANDOCERR_NAMESEC_FIRST, /* first section is not NAME: Sh title */ + MANDOCERR_NAMESEC_NONM, /* NAME section without Nm before Nd */ + MANDOCERR_NAMESEC_NOND, /* NAME section without description */ + MANDOCERR_NAMESEC_ND, /* description not at the end of NAME */ + MANDOCERR_NAMESEC_BAD, /* bad NAME section content: macro */ + MANDOCERR_NAMESEC_PUNCT, /* missing comma before name: Nm name */ + MANDOCERR_ND_EMPTY, /* missing description line, using "" */ + MANDOCERR_ND_LATE, /* description line outside NAME section */ + MANDOCERR_SEC_ORDER, /* sections out of conventional order: Sh title */ + MANDOCERR_SEC_REP, /* duplicate section title: Sh title */ + MANDOCERR_SEC_MSEC, /* unexpected section: Sh title for ... only */ + MANDOCERR_XR_SELF, /* cross reference to self: Xr name sec */ + MANDOCERR_XR_ORDER, /* unusual Xr order: ... after ... */ + MANDOCERR_XR_PUNCT, /* unusual Xr punctuation: ... after ... */ + MANDOCERR_AN_MISSING, /* AUTHORS section without An macro */ -enum mdocargt { - MDOC_Split, - MDOC_Nosplit, - MDOC_Ragged, - MDOC_Unfilled, - MDOC_Literal, - MDOC_File, - MDOC_Offset, - MDOC_Bullet, - MDOC_Dash, - MDOC_Hyphen, - MDOC_Item, - MDOC_Enum, - MDOC_Tag, - MDOC_Diag, - MDOC_Hang, - MDOC_Ohang, - MDOC_Inset, - MDOC_Column, - MDOC_Width, - MDOC_Compact, - MDOC_Std, - MDOC_Filled, - MDOC_Words, - MDOC_Emphasis, - MDOC_Symbolic, - MDOC_Nested, - MDOC_Centred, - MDOC_ARG_MAX -}; + /* related to macros and nesting */ + MANDOCERR_MACRO_OBS, /* obsolete macro: macro */ + MANDOCERR_MACRO_CALL, /* macro neither callable nor escaped: macro */ + MANDOCERR_PAR_SKIP, /* skipping paragraph macro: macro ... */ + MANDOCERR_PAR_MOVE, /* moving paragraph macro out of list: macro */ + MANDOCERR_NS_SKIP, /* skipping no-space macro */ + MANDOCERR_BLK_NEST, /* blocks badly nested: macro ... */ + MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */ + MANDOCERR_BL_MOVE, /* moving content out of list: macro */ + MANDOCERR_TA_LINE, /* first macro on line: Ta */ + MANDOCERR_BLK_LINE, /* line scope broken: macro breaks macro */ + MANDOCERR_BLK_BLANK, /* skipping blank line in line scope */ -enum mdoc_type { - MDOC_TEXT, - MDOC_ELEM, - MDOC_HEAD, - MDOC_TAIL, - MDOC_BODY, - MDOC_BLOCK, - MDOC_ROOT -}; + /* related to missing arguments */ + MANDOCERR_REQ_EMPTY, /* skipping empty request: request */ + MANDOCERR_COND_EMPTY, /* conditional request controls empty scope */ + MANDOCERR_MACRO_EMPTY, /* skipping empty macro: macro */ + MANDOCERR_BLK_EMPTY, /* empty block: macro */ + MANDOCERR_ARG_EMPTY, /* empty argument, using 0n: macro arg */ + MANDOCERR_BD_NOTYPE, /* missing display type, using -ragged: Bd */ + MANDOCERR_BL_LATETYPE, /* list type is not the first argument: Bl arg */ + MANDOCERR_BL_NOWIDTH, /* missing -width in -tag list, using 6n */ + MANDOCERR_EX_NONAME, /* missing utility name, using "": Ex */ + MANDOCERR_FO_NOHEAD, /* missing function name, using "": Fo */ + MANDOCERR_IT_NOHEAD, /* empty head in list item: Bl -type It */ + MANDOCERR_IT_NOBODY, /* empty list item: Bl -type It */ + MANDOCERR_IT_NOARG, /* missing argument, using next line: Bl -c It */ + MANDOCERR_BF_NOFONT, /* missing font type, using \fR: Bf */ + MANDOCERR_BF_BADFONT, /* unknown font type, using \fR: Bf font */ + MANDOCERR_PF_SKIP, /* nothing follows prefix: Pf arg */ + MANDOCERR_RS_EMPTY, /* empty reference block: Rs */ + MANDOCERR_XR_NOSEC, /* missing section argument: Xr arg */ + MANDOCERR_ARG_STD, /* missing -std argument, adding it: macro */ + MANDOCERR_OP_EMPTY, /* missing option string, using "": OP */ + MANDOCERR_UR_NOHEAD, /* missing resource identifier, using "": UR */ + MANDOCERR_EQN_NOBOX, /* missing eqn box, using "": op */ -enum mdoc_sec { - SEC_NONE, - SEC_NAME, - SEC_LIBRARY, - SEC_SYNOPSIS, - SEC_DESCRIPTION, - SEC_IMPLEMENTATION, - SEC_RETURN_VALUES, - SEC_ENVIRONMENT, - SEC_FILES, - SEC_EXIT_STATUS, - SEC_EXAMPLES, - SEC_DIAGNOSTICS, - SEC_COMPATIBILITY, - SEC_ERRORS, - SEC_SEE_ALSO, - SEC_STANDARDS, - SEC_HISTORY, - SEC_AUTHORS, - SEC_CAVEATS, - SEC_BUGS, - SEC_SECURITY, - SEC_CUSTOM, - SEC__MAX -}; + /* related to bad arguments */ + MANDOCERR_ARG_REP, /* duplicate argument: macro arg */ + MANDOCERR_AN_REP, /* skipping duplicate argument: An -arg */ + MANDOCERR_BD_REP, /* skipping duplicate display type: Bd -type */ + MANDOCERR_BL_REP, /* skipping duplicate list type: Bl -type */ + MANDOCERR_BL_SKIPW, /* skipping -width argument: Bl -type */ + MANDOCERR_BL_COL, /* wrong number of cells */ + MANDOCERR_AT_BAD, /* unknown AT&T UNIX version: At version */ + MANDOCERR_FA_COMMA, /* comma in function argument: arg */ + MANDOCERR_FN_PAREN, /* parenthesis in function name: arg */ + MANDOCERR_LB_BAD, /* unknown library name: Lb ... */ + MANDOCERR_RS_BAD, /* invalid content in Rs block: macro */ + MANDOCERR_SM_BAD, /* invalid Boolean argument: macro arg */ + MANDOCERR_CHAR_FONT, /* argument contains two font escapes */ + MANDOCERR_FT_BAD, /* unknown font, skipping request: ft font */ + MANDOCERR_TR_ODD, /* odd number of characters in request: tr char */ -enum mdoc_endbody { - ENDBODY_NOT = 0, - ENDBODY_SPACE, - ENDBODY_NOSPACE -}; + /* related to plain text */ + MANDOCERR_FI_BLANK, /* blank line in fill mode, using .sp */ + MANDOCERR_FI_TAB, /* tab in filled text */ + MANDOCERR_EOS, /* new sentence, new line */ + MANDOCERR_ESC_BAD, /* invalid escape sequence: esc */ + MANDOCERR_ESC_UNDEF, /* undefined escape, printing literally: char */ + MANDOCERR_STR_UNDEF, /* undefined string, using "": name */ -enum mdoc_list { - LIST__NONE = 0, - LIST_bullet, - LIST_column, - LIST_dash, - LIST_diag, - LIST_enum, - LIST_hang, - LIST_hyphen, - LIST_inset, - LIST_item, - LIST_ohang, - LIST_tag -}; + /* related to tables */ + MANDOCERR_TBLLAYOUT_SPAN, /* tbl line starts with span */ + MANDOCERR_TBLLAYOUT_DOWN, /* tbl column starts with span */ + MANDOCERR_TBLLAYOUT_VERT, /* skipping vertical bar in tbl layout */ -enum mdoc_disp { - DISP__NONE = 0, - DISP_centred, - DISP_ragged, - DISP_unfilled, - DISP_filled, - DISP_literal -}; + MANDOCERR_ERROR, /* ===== start of errors ===== */ -enum mdoc_auth { - AUTH__NONE = 0, - AUTH_split, - AUTH_nosplit -}; + /* related to tables */ + MANDOCERR_TBLOPT_ALPHA, /* non-alphabetic character in tbl options */ + MANDOCERR_TBLOPT_BAD, /* skipping unknown tbl option: option */ + MANDOCERR_TBLOPT_NOARG, /* missing tbl option argument: option */ + MANDOCERR_TBLOPT_ARGSZ, /* wrong tbl option argument size: option */ + MANDOCERR_TBLLAYOUT_NONE, /* empty tbl layout */ + MANDOCERR_TBLLAYOUT_CHAR, /* invalid character in tbl layout: char */ + MANDOCERR_TBLLAYOUT_PAR, /* unmatched parenthesis in tbl layout */ + MANDOCERR_TBLDATA_NONE, /* tbl without any data cells */ + MANDOCERR_TBLDATA_SPAN, /* ignoring data in spanned tbl cell: data */ + MANDOCERR_TBLDATA_EXTRA, /* ignoring extra tbl data cells: data */ + MANDOCERR_TBLDATA_BLK, /* data block open at end of tbl: macro */ -enum mdoc_font { - FONT__NONE = 0, - FONT_Em, - FONT_Li, - FONT_Sy -}; + /* related to document structure and macros */ + MANDOCERR_PROLOG_REP, /* duplicate prologue macro: macro */ + MANDOCERR_DT_LATE, /* skipping late title macro: Dt args */ + MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */ + MANDOCERR_CHAR_BAD, /* skipping bad character: number */ + MANDOCERR_MACRO, /* skipping unknown macro: macro */ + MANDOCERR_REQ_NOMAC, /* skipping request outside macro: ... */ + MANDOCERR_REQ_INSEC, /* skipping insecure request: request */ + MANDOCERR_IT_STRAY, /* skipping item outside list: It ... */ + MANDOCERR_TA_STRAY, /* skipping column outside column list: Ta */ + MANDOCERR_BLK_NOTOPEN, /* skipping end of block that is not open */ + MANDOCERR_RE_NOTOPEN, /* fewer RS blocks open, skipping: RE arg */ + MANDOCERR_BLK_BROKEN, /* inserting missing end of block: macro ... */ + MANDOCERR_BLK_NOEND, /* appending missing end of block: macro */ -struct man_meta { - char *msec; /* `TH' section (e.g., 1--9) */ - time_t date; /* parsed `TH' date */ - char *rawdate; /* raw `TH' date */ - char *vol; /* `TH' volume (e.g., KM) */ - char *title; /* `TH' title (e.g., LS, CAT) */ - char *source; /* `TH' source (e.g., GNU) */ -}; + /* related to request and macro arguments */ + MANDOCERR_NAMESC, /* escaped character not allowed in a name: name */ + MANDOCERR_ARG_UNDEF, /* using macro argument outside macro */ + MANDOCERR_ARG_NONUM, /* argument number is not numeric */ + MANDOCERR_BD_FILE, /* NOT IMPLEMENTED: Bd -file */ + MANDOCERR_BD_NOARG, /* skipping display without arguments: Bd */ + MANDOCERR_BL_NOTYPE, /* missing list type, using -item: Bl */ + MANDOCERR_CE_NONUM, /* argument is not numeric, using 1: ce ... */ + MANDOCERR_CHAR_ARG, /* argument is not a character: char ... */ + MANDOCERR_NM_NONAME, /* missing manual name, using "": Nm */ + MANDOCERR_OS_UNAME, /* uname(3) system call failed, using UNKNOWN */ + MANDOCERR_ST_BAD, /* unknown standard specifier: St standard */ + MANDOCERR_IT_NONUM, /* skipping request without numeric argument */ + MANDOCERR_SHIFT, /* excessive shift: ..., but max is ... */ + MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */ + MANDOCERR_SO_FAIL, /* .so request failed */ + MANDOCERR_ARG_SKIP, /* skipping all arguments: macro args */ + MANDOCERR_ARG_EXCESS, /* skipping excess arguments: macro ... args */ + MANDOCERR_DIVZERO, /* divide by zero */ -struct man_node { - struct man_node *parent; - struct man_node *child; - struct man_node *next; - struct man_node *prev; - int nchild; - int line; - int pos; - enum mant tok; - int flags; -#define MAN_VALID (1 << 0) -#define MAN_ACTED (1 << 1) -#define MAN_EOS (1 << 2) - enum man_type type; - char *string; - struct man_node *head; - struct man_node *body; -}; + MANDOCERR_UNSUPP, /* ===== start of unsupported features ===== */ -struct mdoc_meta { - char *msec; /* `Dt' section (e.g., 1--9) */ - char *vol; /* `Dt' volume (e.g., LOCAL) */ - char *arch; /* `Dt' architecture (e.g., i386) */ - time_t date; /* `Dd' date */ - char *title; /* `Dt' title (e.g., LS, CAT) */ - char *os; /* `Os' system (e.g., OpenBSD) */ - char *name; /* leading `Nm' (e.g., ls, cat) */ -}; + MANDOCERR_TOOLARGE, /* input too large */ + MANDOCERR_CHAR_UNSUPP, /* unsupported control character: number */ + MANDOCERR_ESC_UNSUPP, /* unsupported escape sequence: escape */ + MANDOCERR_REQ_UNSUPP, /* unsupported roff request: request */ + MANDOCERR_WHILE_NEST, /* nested .while loops */ + MANDOCERR_WHILE_OUTOF, /* end of scope with open .while loop */ + MANDOCERR_WHILE_INTO, /* end of .while loop in inner scope */ + MANDOCERR_WHILE_FAIL, /* cannot continue this .while loop */ + MANDOCERR_TBLOPT_EQN, /* eqn delim option in tbl: arg */ + MANDOCERR_TBLLAYOUT_MOD, /* unsupported tbl layout modifier: m */ + MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */ -struct mdoc_argv { - enum mdocargt arg; - int line; - int pos; - size_t sz; - char **value; -}; + MANDOCERR_BADARG, /* ===== start of bad invocations ===== */ -struct mdoc_arg { - size_t argc; - struct mdoc_argv *argv; - unsigned int refcnt; -}; + MANDOCERR_BADARG_BAD, /* bad argument */ + MANDOCERR_BADARG_DUPE, /* duplicate argument */ + MANDOCERR_BADVAL, /* does not take a value */ + MANDOCERR_BADVAL_MISS, /* missing argument value */ + MANDOCERR_BADVAL_BAD, /* bad argument value */ + MANDOCERR_BADVAL_DUPE, /* duplicate argument value */ + MANDOCERR_TAG, /* no such tag */ + MANDOCERR_SYSERR, /* ===== start of system errors ===== */ -struct mdoc_bd { - const char *offs; /* -offset */ - enum mdoc_disp type; /* -ragged, etc. */ - int comp; /* -compact */ -}; + MANDOCERR_DUP, + MANDOCERR_EXEC, + MANDOCERR_FDOPEN, + MANDOCERR_FFLUSH, + MANDOCERR_FORK, + MANDOCERR_FSTAT, + MANDOCERR_GETLINE, + MANDOCERR_GLOB, + MANDOCERR_GZCLOSE, + MANDOCERR_GZDOPEN, + MANDOCERR_MKSTEMP, + MANDOCERR_OPEN, + MANDOCERR_PLEDGE, + MANDOCERR_READ, + MANDOCERR_WAIT, + MANDOCERR_WRITE, -struct mdoc_bl { - const char *width; /* -width */ - const char *offs; /* -offset */ - enum mdoc_list type; /* -tag, -enum, etc. */ - int comp; /* -compact */ - size_t ncols; /* -column arg count */ - const char **cols; /* -column val ptr */ + MANDOCERR_MAX }; -struct mdoc_bf { - enum mdoc_font font; /* font */ +enum mandoc_esc { + ESCAPE_ERROR = 0, /* bail! unparsable escape */ + ESCAPE_UNSUPP, /* unsupported escape; ignore it */ + ESCAPE_IGNORE, /* escape to be ignored */ + ESCAPE_UNDEF, /* undefined escape; print literal character */ + ESCAPE_SPECIAL, /* a regular special character */ + ESCAPE_FONT, /* a generic font mode */ + ESCAPE_FONTBOLD, /* bold font mode */ + ESCAPE_FONTITALIC, /* italic font mode */ + ESCAPE_FONTBI, /* bold italic font mode */ + ESCAPE_FONTROMAN, /* roman font mode */ + ESCAPE_FONTCW, /* constant width font mode */ + ESCAPE_FONTPREV, /* previous font mode */ + ESCAPE_NUMBERED, /* a numbered glyph */ + ESCAPE_UNICODE, /* a unicode codepoint */ + ESCAPE_DEVICE, /* print the output device name */ + ESCAPE_BREAK, /* break the output line */ + ESCAPE_NOSPACE, /* suppress space if the last on a line */ + ESCAPE_HORIZ, /* horizontal movement */ + ESCAPE_HLINE, /* horizontal line drawing */ + ESCAPE_SKIPCHAR, /* skip the next character */ + ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */ }; -struct mdoc_an { - enum mdoc_auth auth; /* -split, etc. */ -}; -struct mdoc_node { - struct mdoc_node *parent; /* parent AST node */ - struct mdoc_node *child; /* first child AST node */ - struct mdoc_node *next; /* sibling AST node */ - struct mdoc_node *prev; /* prior sibling AST node */ - int nchild; /* number children */ - int line; /* parse line */ - int pos; /* parse column */ - enum mdoct tok; /* tok or MDOC__MAX if none */ - int flags; -#define MDOC_VALID (1 << 0) /* has been validated */ -#define MDOC_ACTED (1 << 1) /* has been acted upon */ -#define MDOC_EOS (1 << 2) /* at sentence boundary */ -#define MDOC_LINE (1 << 3) /* first macro/text on line */ -#define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */ -#define MDOC_ENDED (1 << 5) /* rendering has been ended */ - enum mdoc_type type; /* AST node type */ - enum mdoc_sec sec; /* current named section */ - /* XXX: these can be union'd to shave a few bytes. */ - struct mdoc_arg *args; /* BLOCK/ELEM */ - struct mdoc_node *pending; /* BLOCK */ - struct mdoc_node *head; /* BLOCK */ - struct mdoc_node *body; /* BLOCK */ - struct mdoc_node *tail; /* BLOCK */ - char *string; /* TEXT */ - enum mdoc_endbody end; /* BODY */ - - union { - struct mdoc_an An; - struct mdoc_bd *Bd; - struct mdoc_bf *Bf; - struct mdoc_bl *Bl; - } data; -}; - -/* - * A single register entity. If "set" is zero, the value of the - * register should be the default one, which is per-register. It's - * assumed that callers know which type in "v" corresponds to which - * register value. - */ -struct reg { - int set; /* whether set or not */ - union { - unsigned u; /* unsigned integer */ - } v; -}; - -/* - * The primary interface to setting register values is in libroff, - * although libmdoc and libman from time to time will manipulate - * registers (such as `.Sh SYNOPSIS' enabling REG_nS). - */ -struct regset { - struct reg regs[REG__MAX]; -}; - -/* - * Callback function for warnings, errors, and fatal errors as they - * occur in the compilers libroff, libmdoc, and libman. - */ -typedef int (*mandocmsg)(enum mandocerr, void *, - int, int, const char *); - -__END_DECLS - -#endif /*!MANDOC_H*/ +enum mandoc_esc mandoc_font(const char *, int sz); +enum mandoc_esc mandoc_escape(const char **, const char **, int *); +void mandoc_msg_setoutfile(FILE *); +const char *mandoc_msg_getinfilename(void); +void mandoc_msg_setinfilename(const char *); +enum mandocerr mandoc_msg_getmin(void); +void mandoc_msg_setmin(enum mandocerr); +enum mandoclevel mandoc_msg_getrc(void); +void mandoc_msg_setrc(enum mandoclevel); +void mandoc_msg(enum mandocerr, int, int, const char *, ...) + __attribute__((__format__ (__printf__, 4, 5))); +void mandoc_msg_summary(void); +void mchars_alloc(void); +void mchars_free(void); +int mchars_num2char(const char *, size_t); +const char *mchars_uc2str(int); +int mchars_num2uc(const char *, size_t); +int mchars_spec2cp(const char *, size_t); +const char *mchars_spec2str(const char *, size_t, size_t *);