Annotation of mandoc/mandoc.h, Revision 1.37
1.37 ! kristaps 1: /* $Id: mandoc.h,v 1.36 2010/12/29 01:16:57 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #ifndef MANDOC_H
18: #define MANDOC_H
1.7 kristaps 19:
20: #define ASCII_NBRSP 31 /* non-breaking space */
21: #define ASCII_HYPH 30 /* breakable hyphen */
22:
1.22 kristaps 23: /*
24: * Status level. This refers to both internal status (i.e., whilst
25: * running, when warnings/errors are reported) and an indicator of a
26: * threshold of when to halt (when said internal state exceeds the
27: * threshold).
28: */
1.18 schwarze 29: enum mandoclevel {
30: MANDOCLEVEL_OK = 0,
31: MANDOCLEVEL_RESERVED,
1.22 kristaps 32: MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
33: MANDOCLEVEL_ERROR, /* input has been thrown away */
34: MANDOCLEVEL_FATAL, /* input is borked */
35: MANDOCLEVEL_BADARG, /* bad argument in invocation */
36: MANDOCLEVEL_SYSERR, /* system error */
1.18 schwarze 37: MANDOCLEVEL_MAX
38: };
39:
1.22 kristaps 40: /*
41: * All possible things that can go wrong within a parse, be it libroff,
42: * libmdoc, or libman.
43: */
1.1 kristaps 44: enum mandocerr {
45: MANDOCERR_OK,
1.13 schwarze 46:
1.21 kristaps 47: MANDOCERR_WARNING, /* ===== start of warnings ===== */
1.32 kristaps 48:
49: /* related to the prologue */
50: MANDOCERR_NOTITLE, /* no title in document */
51: MANDOCERR_UPPERCASE, /* document title should be all caps */
52: MANDOCERR_BADMSEC, /* unknown manual section */
53: MANDOCERR_BADDATE, /* cannot parse date argument */
54: MANDOCERR_PROLOGOOO, /* prologue macros out of order */
55: MANDOCERR_PROLOGREP, /* duplicate prologue macro */
56: MANDOCERR_BADPROLOG, /* macro not allowed in prologue */
57: MANDOCERR_BADBODY, /* macro not allowed in body */
58:
59: /* related to document structure */
1.26 kristaps 60: MANDOCERR_SO, /* .so is fragile, better use ln(1) */
1.32 kristaps 61: MANDOCERR_NAMESECFIRST, /* NAME section must come first */
62: MANDOCERR_BADNAMESEC, /* bad NAME section contents */
63: MANDOCERR_NONAME, /* manual name not yet set */
1.9 kristaps 64: MANDOCERR_SECOOO, /* sections out of conventional order */
1.32 kristaps 65: MANDOCERR_SECREP, /* duplicate section name */
1.5 kristaps 66: MANDOCERR_SECMSEC, /* section not in conventional manual section */
1.32 kristaps 67:
68: /* related to macros and nesting */
69: MANDOCERR_MACROOBS, /* skipping obsolete macro */
1.35 kristaps 70: MANDOCERR_IGNPAR, /* skipping paragraph macro */
1.14 schwarze 71: MANDOCERR_SCOPENEST, /* blocks badly nested */
1.32 kristaps 72: MANDOCERR_CHILD, /* child violates parent syntax */
73: MANDOCERR_NESTEDDISP, /* nested displays are not portable */
74: MANDOCERR_SCOPEREP, /* already in literal mode */
75:
76: /* related to missing macro arguments */
77: MANDOCERR_MACROEMPTY, /* skipping empty macro */
78: MANDOCERR_DISPTYPE, /* missing display type */
79: MANDOCERR_LISTFIRST, /* list type must come first */
80: MANDOCERR_NOWIDTHARG, /* tag lists require a width argument */
81: MANDOCERR_FONTTYPE, /* missing font type */
1.13 schwarze 82:
1.32 kristaps 83: /* related to bad macro arguments */
84: MANDOCERR_IGNARGV, /* skipping argument */
85: MANDOCERR_ARGVREP, /* duplicate argument */
86: MANDOCERR_DISPREP, /* duplicate display type */
87: MANDOCERR_LISTREP, /* duplicate list type */
88: MANDOCERR_BADATT, /* unknown AT&T UNIX version */
1.5 kristaps 89: MANDOCERR_BADBOOL, /* bad Boolean value */
1.31 kristaps 90: MANDOCERR_BADFONT, /* unknown font */
1.32 kristaps 91: MANDOCERR_BADSTANDARD, /* unknown standard specifier */
92: MANDOCERR_BADWIDTH, /* bad width argument */
93:
94: /* related to plain text */
95: MANDOCERR_NOBLANKLN, /* blank line in non-literal context */
96: MANDOCERR_BADTAB, /* tab in non-literal context */
97: MANDOCERR_EOLNSPACE, /* end of line whitespace */
1.5 kristaps 98: MANDOCERR_BADCOMMENT, /* bad comment style */
1.32 kristaps 99: MANDOCERR_BADESCAPE, /* unknown escape sequence */
100: MANDOCERR_BADQUOTE, /* unterminated quoted string */
101:
102: MANDOCERR_ERROR, /* ===== start of errors ===== */
103:
1.36 kristaps 104: MANDOCERR_TBL, /* bad table syntax */
105: MANDOCERR_TBLOPT, /* bad table option */
1.37 ! kristaps 106: MANDOCERR_TBLLAYOUT, /* bad table layout */
! 107: MANDOCERR_TBLNOLAYOUT, /* no table layout cells specified */
1.33 schwarze 108: MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
1.32 kristaps 109: MANDOCERR_BADCHAR, /* skipping bad character */
110: MANDOCERR_NOTEXT, /* skipping text before the first section header */
111: MANDOCERR_MACRO, /* skipping unknown macro */
1.25 kristaps 112: MANDOCERR_REQUEST, /* NOT IMPLEMENTED: skipping request */
1.5 kristaps 113: MANDOCERR_LINESCOPE, /* line scope broken */
114: MANDOCERR_ARGCOUNT, /* argument count wrong */
1.32 kristaps 115: MANDOCERR_NOSCOPE, /* skipping end of block that is not open */
1.30 kristaps 116: MANDOCERR_SCOPEBROKEN, /* missing end of block */
1.19 schwarze 117: MANDOCERR_SCOPEEXIT, /* scope open on exit */
1.28 kristaps 118: MANDOCERR_UNAME, /* uname(3) system call failed */
1.5 kristaps 119: /* FIXME: merge following with MANDOCERR_ARGCOUNT */
120: MANDOCERR_NOARGS, /* macro requires line argument(s) */
121: MANDOCERR_NOBODY, /* macro requires body argument(s) */
122: MANDOCERR_NOARGV, /* macro requires argument(s) */
1.10 kristaps 123: MANDOCERR_LISTTYPE, /* missing list type */
1.5 kristaps 124: MANDOCERR_ARGSLOST, /* line argument(s) will be lost */
125: MANDOCERR_BODYLOST, /* body argument(s) will be lost */
1.13 schwarze 126:
1.21 kristaps 127: MANDOCERR_FATAL, /* ===== start of fatal errors ===== */
1.32 kristaps 128:
1.8 kristaps 129: MANDOCERR_COLUMNS, /* column syntax is inconsistent */
1.32 kristaps 130: MANDOCERR_BADDISP, /* NOT IMPLEMENTED: .Bd -file */
1.5 kristaps 131: MANDOCERR_SYNTLINESCOPE, /* line scope broken, syntax violated */
132: MANDOCERR_SYNTARGVCOUNT, /* argument count wrong, violates syntax */
133: MANDOCERR_SYNTCHILD, /* child violates parent syntax */
134: MANDOCERR_SYNTARGCOUNT, /* argument count wrong, violates syntax */
1.26 kristaps 135: MANDOCERR_SOPATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
1.5 kristaps 136: MANDOCERR_NODOCBODY, /* no document body */
137: MANDOCERR_NODOCPROLOG, /* no document prologue */
1.18 schwarze 138: MANDOCERR_MEM, /* static buffer exhausted */
1.1 kristaps 139: MANDOCERR_MAX
140: };
141:
1.22 kristaps 142: /*
143: * Available registers (set in libroff, accessed elsewhere).
144: */
1.16 kristaps 145: enum regs {
1.22 kristaps 146: REG_nS = 0,
1.16 kristaps 147: REG__MAX
1.21 kristaps 148: };
149:
1.22 kristaps 150: /*
151: * A register (struct reg) can consist of many types: this consists of
152: * normalised types from the original string form.
153: */
154: union regval {
155: unsigned u; /* unsigned integer */
1.16 kristaps 156: };
157:
158: /*
159: * A single register entity. If "set" is zero, the value of the
160: * register should be the default one, which is per-register. It's
161: * assumed that callers know which type in "v" corresponds to which
162: * register value.
163: */
164: struct reg {
165: int set; /* whether set or not */
1.22 kristaps 166: union regval v; /* parsed data */
1.16 kristaps 167: };
168:
169: /*
170: * The primary interface to setting register values is in libroff,
171: * although libmdoc and libman from time to time will manipulate
172: * registers (such as `.Sh SYNOPSIS' enabling REG_nS).
173: */
174: struct regset {
175: struct reg regs[REG__MAX];
176: };
1.22 kristaps 177:
178: __BEGIN_DECLS
1.16 kristaps 179:
180: /*
181: * Callback function for warnings, errors, and fatal errors as they
182: * occur in the compilers libroff, libmdoc, and libman.
183: */
184: typedef int (*mandocmsg)(enum mandocerr, void *,
185: int, int, const char *);
1.1 kristaps 186:
187: __END_DECLS
188:
189: #endif /*!MANDOC_H*/
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