=================================================================== RCS file: /cvs/mandoc/mdoc.c,v retrieving revision 1.199 retrieving revision 1.238 diff -u -p -r1.199 -r1.238 --- mandoc/mdoc.c 2012/07/16 09:51:54 1.199 +++ mandoc/mdoc.c 2015/02/12 13:00:52 1.238 @@ -1,7 +1,7 @@ -/* $Id: mdoc.c,v 1.199 2012/07/16 09:51:54 schwarze Exp $ */ +/* $Id: mdoc.c,v 1.238 2015/02/12 13:00:52 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2010 Ingo Schwarze + * Copyright (c) 2010, 2012-2015 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 @@ -15,13 +15,12 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include #include +#include #include #include #include @@ -30,10 +29,11 @@ #include "mdoc.h" #include "mandoc.h" +#include "mandoc_aux.h" #include "libmdoc.h" #include "libmandoc.h" -const char *const __mdoc_macronames[MDOC_MAX] = { +const char *const __mdoc_macronames[MDOC_MAX + 1] = { "Ap", "Dd", "Dt", "Os", "Sh", "Ss", "Pp", "D1", "Dl", "Bd", "Ed", "Bl", @@ -44,11 +44,8 @@ const char *const __mdoc_macronames[MDOC_MAX] = { "Ic", "In", "Li", "Nd", "Nm", "Op", "Ot", "Pa", "Rv", "St", "Va", "Vt", - /* LINTED */ "Xr", "%A", "%B", "%D", - /* LINTED */ "%I", "%J", "%N", "%O", - /* LINTED */ "%P", "%R", "%T", "%V", "Ac", "Ao", "Aq", "At", "Bc", "Bf", "Bo", "Bq", @@ -65,22 +62,19 @@ const char *const __mdoc_macronames[MDOC_MAX] = { "Bk", "Ek", "Bt", "Hf", "Fr", "Ud", "Lb", "Lp", "Lk", "Mt", "Brq", "Bro", - /* LINTED */ "Brc", "%C", "Es", "En", - /* LINTED */ "Dx", "%Q", "br", "sp", - /* LINTED */ - "%U", "Ta" + "%U", "Ta", "ll", "text", }; -const char *const __mdoc_argnames[MDOC_ARG_MAX] = { +const char *const __mdoc_argnames[MDOC_ARG_MAX] = { "split", "nosplit", "ragged", - "unfilled", "literal", "file", - "offset", "bullet", "dash", - "hyphen", "item", "enum", - "tag", "diag", "hang", - "ohang", "inset", "column", - "width", "compact", "std", + "unfilled", "literal", "file", + "offset", "bullet", "dash", + "hyphen", "item", "enum", + "tag", "diag", "hang", + "ohang", "inset", "column", + "width", "compact", "std", "filled", "words", "emphasis", "symbolic", "nested", "centered" }; @@ -89,38 +83,31 @@ const char * const *mdoc_macronames = __mdoc_macroname const char * const *mdoc_argnames = __mdoc_argnames; static void mdoc_node_free(struct mdoc_node *); -static void mdoc_node_unlink(struct mdoc *, +static void mdoc_node_unlink(struct mdoc *, struct mdoc_node *); static void mdoc_free1(struct mdoc *); static void mdoc_alloc1(struct mdoc *); -static struct mdoc_node *node_alloc(struct mdoc *, int, int, +static struct mdoc_node *node_alloc(struct mdoc *, int, int, enum mdoct, enum mdoc_type); -static int node_append(struct mdoc *, - struct mdoc_node *); -#if 0 -static int mdoc_preptext(struct mdoc *, int, char *, int); -#endif +static void node_append(struct mdoc *, struct mdoc_node *); static int mdoc_ptext(struct mdoc *, int, char *, int); static int mdoc_pmacro(struct mdoc *, int, char *, int); + const struct mdoc_node * -mdoc_node(const struct mdoc *m) +mdoc_node(const struct mdoc *mdoc) { - assert( ! (MDOC_HALT & m->flags)); - return(m->first); + return(mdoc->first); } - const struct mdoc_meta * -mdoc_meta(const struct mdoc *m) +mdoc_meta(const struct mdoc *mdoc) { - assert( ! (MDOC_HALT & m->flags)); - return(&m->meta); + return(&mdoc->meta); } - /* * Frees volatile resources (parse tree, meta-data, fields). */ @@ -130,23 +117,15 @@ mdoc_free1(struct mdoc *mdoc) if (mdoc->first) mdoc_node_delete(mdoc, mdoc->first); - if (mdoc->meta.title) - free(mdoc->meta.title); - if (mdoc->meta.os) - free(mdoc->meta.os); - if (mdoc->meta.name) - free(mdoc->meta.name); - if (mdoc->meta.arch) - free(mdoc->meta.arch); - if (mdoc->meta.vol) - free(mdoc->meta.vol); - if (mdoc->meta.msec) - free(mdoc->meta.msec); - if (mdoc->meta.date) - free(mdoc->meta.date); + free(mdoc->meta.msec); + free(mdoc->meta.vol); + free(mdoc->meta.arch); + free(mdoc->meta.date); + free(mdoc->meta.title); + free(mdoc->meta.os); + free(mdoc->meta.name); } - /* * Allocate all volatile resources (parse tree, meta-data, fields). */ @@ -164,7 +143,6 @@ mdoc_alloc1(struct mdoc *mdoc) mdoc->next = MDOC_NEXT_CHILD; } - /* * Free up volatile resources (see mdoc_free1()) then re-initialises the * data with mdoc_alloc1(). After invocation, parse data has been reset @@ -179,7 +157,6 @@ mdoc_reset(struct mdoc *mdoc) mdoc_alloc1(mdoc); } - /* * Completely free up all volatile and non-volatile parse resources. * After invocation, the pointer is no longer usable. @@ -192,12 +169,12 @@ mdoc_free(struct mdoc *mdoc) free(mdoc); } - /* - * Allocate volatile and non-volatile parse resources. + * Allocate volatile and non-volatile parse resources. */ struct mdoc * -mdoc_alloc(struct roff *roff, struct mparse *parse, char *defos) +mdoc_alloc(struct roff *roff, struct mparse *parse, + const char *defos, int quick) { struct mdoc *p; @@ -205,6 +182,7 @@ mdoc_alloc(struct roff *roff, struct mparse *parse, ch p->parse = parse; p->defos = defos; + p->quick = quick; p->roff = roff; mdoc_hash_init(); @@ -212,138 +190,92 @@ mdoc_alloc(struct roff *roff, struct mparse *parse, ch return(p); } - -/* - * Climb back up the parse tree, validating open scopes. Mostly calls - * through to macro_end() in macro.c. - */ -int -mdoc_endparse(struct mdoc *m) +void +mdoc_endparse(struct mdoc *mdoc) { - assert( ! (MDOC_HALT & m->flags)); - if (mdoc_macroend(m)) - return(1); - m->flags |= MDOC_HALT; - return(0); + mdoc_macroend(mdoc); } -int -mdoc_addeqn(struct mdoc *m, const struct eqn *ep) +void +mdoc_addeqn(struct mdoc *mdoc, const struct eqn *ep) { struct mdoc_node *n; - assert( ! (MDOC_HALT & m->flags)); - - /* No text before an initial macro. */ - - if (SEC_NONE == m->lastnamed) { - mdoc_pmsg(m, ep->ln, ep->pos, MANDOCERR_NOTEXT); - return(1); - } - - n = node_alloc(m, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN); + n = node_alloc(mdoc, ep->ln, ep->pos, MDOC_MAX, MDOC_EQN); n->eqn = ep; - - if ( ! node_append(m, n)) - return(0); - - m->next = MDOC_NEXT_SIBLING; - return(1); + if (ep->ln > mdoc->last->line) + n->flags |= MDOC_LINE; + node_append(mdoc, n); + mdoc->next = MDOC_NEXT_SIBLING; } -int -mdoc_addspan(struct mdoc *m, const struct tbl_span *sp) +void +mdoc_addspan(struct mdoc *mdoc, const struct tbl_span *sp) { struct mdoc_node *n; - assert( ! (MDOC_HALT & m->flags)); - - /* No text before an initial macro. */ - - if (SEC_NONE == m->lastnamed) { - mdoc_pmsg(m, sp->line, 0, MANDOCERR_NOTEXT); - return(1); - } - - n = node_alloc(m, sp->line, 0, MDOC_MAX, MDOC_TBL); + n = node_alloc(mdoc, sp->line, 0, MDOC_MAX, MDOC_TBL); n->span = sp; - - if ( ! node_append(m, n)) - return(0); - - m->next = MDOC_NEXT_SIBLING; - return(1); + node_append(mdoc, n); + mdoc->next = MDOC_NEXT_SIBLING; } - /* * Main parse routine. Parses a single line -- really just hands off to * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()). */ int -mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs) +mdoc_parseln(struct mdoc *mdoc, int ln, char *buf, int offs) { - assert( ! (MDOC_HALT & m->flags)); + if (mdoc->last->type != MDOC_EQN || ln > mdoc->last->line) + mdoc->flags |= MDOC_NEWLINE; - m->flags |= MDOC_NEWLINE; - /* * Let the roff nS register switch SYNOPSIS mode early, * such that the parser knows at all times * whether this mode is on or off. * Note that this mode is also switched by the Sh macro. */ - if (roff_regisset(m->roff, REG_nS)) { - if (roff_regget(m->roff, REG_nS)) - m->flags |= MDOC_SYNOPSIS; - else - m->flags &= ~MDOC_SYNOPSIS; - } + if (roff_getreg(mdoc->roff, "nS")) + mdoc->flags |= MDOC_SYNOPSIS; + else + mdoc->flags &= ~MDOC_SYNOPSIS; - return(roff_getcontrol(m->roff, buf, &offs) ? - mdoc_pmacro(m, ln, buf, offs) : - mdoc_ptext(m, ln, buf, offs)); + return(roff_getcontrol(mdoc->roff, buf, &offs) ? + mdoc_pmacro(mdoc, ln, buf, offs) : + mdoc_ptext(mdoc, ln, buf, offs)); } -int +void mdoc_macro(MACRO_PROT_ARGS) { assert(tok < MDOC_MAX); - /* If we're in the body, deny prologue calls. */ - - if (MDOC_PROLOGUE & mdoc_macros[tok].flags && - MDOC_PBODY & m->flags) { - mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY); - return(1); + if (mdoc->flags & MDOC_PBODY) { + if (tok == MDOC_Dt) { + mandoc_vmsg(MANDOCERR_DT_LATE, + mdoc->parse, line, ppos, + "Dt %s", buf + *pos); + return; + } + } else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) { + if (mdoc->meta.title == NULL) { + mandoc_vmsg(MANDOCERR_DT_NOTITLE, + mdoc->parse, line, ppos, "%s %s", + mdoc_macronames[tok], buf + *pos); + mdoc->meta.title = mandoc_strdup("UNTITLED"); + } + if (NULL == mdoc->meta.vol) + mdoc->meta.vol = mandoc_strdup("LOCAL"); + mdoc->flags |= MDOC_PBODY; } - - /* If we're in the prologue, deny "body" macros. */ - - if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) && - ! (MDOC_PBODY & m->flags)) { - mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG); - if (NULL == m->meta.msec) - m->meta.msec = mandoc_strdup("1"); - if (NULL == m->meta.title) - m->meta.title = mandoc_strdup("UNKNOWN"); - if (NULL == m->meta.vol) - m->meta.vol = mandoc_strdup("LOCAL"); - if (NULL == m->meta.os) - m->meta.os = mandoc_strdup("LOCAL"); - if (NULL == m->meta.date) - m->meta.date = mandoc_normdate - (m->parse, NULL, line, ppos); - m->flags |= MDOC_PBODY; - } - - return((*mdoc_macros[tok].fp)(m, tok, line, ppos, pos, buf)); + (*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf); } -static int +static void node_append(struct mdoc *mdoc, struct mdoc_node *p) { @@ -352,12 +284,12 @@ node_append(struct mdoc *mdoc, struct mdoc_node *p) assert(MDOC_ROOT != p->type); switch (mdoc->next) { - case (MDOC_NEXT_SIBLING): + case MDOC_NEXT_SIBLING: mdoc->last->next = p; p->prev = mdoc->last; p->parent = mdoc->last->parent; break; - case (MDOC_NEXT_CHILD): + case MDOC_NEXT_CHILD: mdoc->last->child = p; p->parent = mdoc->last; break; @@ -374,30 +306,31 @@ node_append(struct mdoc *mdoc, struct mdoc_node *p) */ switch (p->type) { - case (MDOC_BODY): + case MDOC_BODY: + if (ENDBODY_NOT != p->end) + break; /* FALLTHROUGH */ - case (MDOC_TAIL): + case MDOC_TAIL: /* FALLTHROUGH */ - case (MDOC_HEAD): + case MDOC_HEAD: p->norm = p->parent->norm; break; default: break; } - if ( ! mdoc_valid_pre(mdoc, p)) - return(0); + mdoc_valid_pre(mdoc, p); switch (p->type) { - case (MDOC_HEAD): + case MDOC_HEAD: assert(MDOC_BLOCK == p->parent->type); p->parent->head = p; break; - case (MDOC_TAIL): + case MDOC_TAIL: assert(MDOC_BLOCK == p->parent->type); p->parent->tail = p; break; - case (MDOC_BODY): + case MDOC_BODY: if (p->end) break; assert(MDOC_BLOCK == p->parent->type); @@ -410,28 +343,24 @@ node_append(struct mdoc *mdoc, struct mdoc_node *p) mdoc->last = p; switch (p->type) { - case (MDOC_TBL): + case MDOC_TBL: /* FALLTHROUGH */ - case (MDOC_TEXT): - if ( ! mdoc_valid_post(mdoc)) - return(0); + case MDOC_TEXT: + mdoc_valid_post(mdoc); break; default: break; } - - return(1); } - static struct mdoc_node * -node_alloc(struct mdoc *m, int line, int pos, +node_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok, enum mdoc_type type) { struct mdoc_node *p; p = mandoc_calloc(1, sizeof(struct mdoc_node)); - p->sec = m->lastsec; + p->sec = mdoc->lastsec; p->line = line; p->pos = pos; p->tok = tok; @@ -439,149 +368,147 @@ node_alloc(struct mdoc *m, int line, int pos, /* Flag analysis. */ - if (MDOC_SYNOPSIS & m->flags) + if (MDOC_SYNOPSIS & mdoc->flags) p->flags |= MDOC_SYNPRETTY; else p->flags &= ~MDOC_SYNPRETTY; - if (MDOC_NEWLINE & m->flags) + if (MDOC_NEWLINE & mdoc->flags) p->flags |= MDOC_LINE; - m->flags &= ~MDOC_NEWLINE; + mdoc->flags &= ~MDOC_NEWLINE; return(p); } - -int -mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) +void +mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok) { struct mdoc_node *p; - p = node_alloc(m, line, pos, tok, MDOC_TAIL); - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_CHILD; - return(1); + p = node_alloc(mdoc, line, pos, tok, MDOC_TAIL); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_CHILD; } - -int -mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) +struct mdoc_node * +mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok) { struct mdoc_node *p; - assert(m->first); - assert(m->last); - - p = node_alloc(m, line, pos, tok, MDOC_HEAD); - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_CHILD; - return(1); + assert(mdoc->first); + assert(mdoc->last); + p = node_alloc(mdoc, line, pos, tok, MDOC_HEAD); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_CHILD; + return(p); } - -int -mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok) +struct mdoc_node * +mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok) { struct mdoc_node *p; - p = node_alloc(m, line, pos, tok, MDOC_BODY); - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_CHILD; - return(1); + p = node_alloc(mdoc, line, pos, tok, MDOC_BODY); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_CHILD; + return(p); } - -int -mdoc_endbody_alloc(struct mdoc *m, int line, int pos, enum mdoct tok, +struct mdoc_node * +mdoc_endbody_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok, struct mdoc_node *body, enum mdoc_endbody end) { struct mdoc_node *p; - p = node_alloc(m, line, pos, tok, MDOC_BODY); - p->pending = body; + body->flags |= MDOC_ENDED; + body->parent->flags |= MDOC_ENDED; + p = node_alloc(mdoc, line, pos, tok, MDOC_BODY); + p->body = body; + p->norm = body->norm; p->end = end; - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_SIBLING; - return(1); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_SIBLING; + return(p); } - -int -mdoc_block_alloc(struct mdoc *m, int line, int pos, +struct mdoc_node * +mdoc_block_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok, struct mdoc_arg *args) { struct mdoc_node *p; - p = node_alloc(m, line, pos, tok, MDOC_BLOCK); + p = node_alloc(mdoc, line, pos, tok, MDOC_BLOCK); p->args = args; if (p->args) (args->refcnt)++; switch (tok) { - case (MDOC_Bd): + case MDOC_Bd: /* FALLTHROUGH */ - case (MDOC_Bf): + case MDOC_Bf: /* FALLTHROUGH */ - case (MDOC_Bl): + case MDOC_Bl: /* FALLTHROUGH */ - case (MDOC_Rs): + case MDOC_En: + /* FALLTHROUGH */ + case MDOC_Rs: p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); break; default: break; } - - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_CHILD; - return(1); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_CHILD; + return(p); } - -int -mdoc_elem_alloc(struct mdoc *m, int line, int pos, +void +mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos, enum mdoct tok, struct mdoc_arg *args) { struct mdoc_node *p; - p = node_alloc(m, line, pos, tok, MDOC_ELEM); + p = node_alloc(mdoc, line, pos, tok, MDOC_ELEM); p->args = args; if (p->args) (args->refcnt)++; switch (tok) { - case (MDOC_An): + case MDOC_An: p->norm = mandoc_calloc(1, sizeof(union mdoc_data)); break; default: break; } - - if ( ! node_append(m, p)) - return(0); - m->next = MDOC_NEXT_CHILD; - return(1); + node_append(mdoc, p); + mdoc->next = MDOC_NEXT_CHILD; } -int -mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p) +void +mdoc_word_alloc(struct mdoc *mdoc, int line, int pos, const char *p) { struct mdoc_node *n; - n = node_alloc(m, line, pos, MDOC_MAX, MDOC_TEXT); - n->string = roff_strdup(m->roff, p); + n = node_alloc(mdoc, line, pos, MDOC_MAX, MDOC_TEXT); + n->string = roff_strdup(mdoc->roff, p); + node_append(mdoc, n); + mdoc->next = MDOC_NEXT_SIBLING; +} - if ( ! node_append(m, n)) - return(0); +void +mdoc_word_append(struct mdoc *mdoc, const char *p) +{ + struct mdoc_node *n; + char *addstr, *newstr; - m->next = MDOC_NEXT_SIBLING; - return(1); + n = mdoc->last; + addstr = roff_strdup(mdoc->roff, p); + mandoc_asprintf(&newstr, "%s %s", n->string, addstr); + free(addstr); + free(n->string); + n->string = newstr; + mdoc->next = MDOC_NEXT_SIBLING; } - static void mdoc_node_free(struct mdoc_node *p) { @@ -595,9 +522,8 @@ mdoc_node_free(struct mdoc_node *p) free(p); } - static void -mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) +mdoc_node_unlink(struct mdoc *mdoc, struct mdoc_node *n) { /* Adjust siblings. */ @@ -619,109 +545,55 @@ mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n) /* Adjust parse point, if applicable. */ - if (m && m->last == n) { + if (mdoc && mdoc->last == n) { if (n->prev) { - m->last = n->prev; - m->next = MDOC_NEXT_SIBLING; + mdoc->last = n->prev; + mdoc->next = MDOC_NEXT_SIBLING; } else { - m->last = n->parent; - m->next = MDOC_NEXT_CHILD; + mdoc->last = n->parent; + mdoc->next = MDOC_NEXT_CHILD; } } - if (m && m->first == n) - m->first = NULL; + if (mdoc && mdoc->first == n) + mdoc->first = NULL; } - void -mdoc_node_delete(struct mdoc *m, struct mdoc_node *p) +mdoc_node_delete(struct mdoc *mdoc, struct mdoc_node *p) { while (p->child) { assert(p->nchild); - mdoc_node_delete(m, p->child); + mdoc_node_delete(mdoc, p->child); } assert(0 == p->nchild); - mdoc_node_unlink(m, p); + mdoc_node_unlink(mdoc, p); mdoc_node_free(p); } -#if 0 -/* - * Pre-treat a text line. - * Text lines can consist of equations, which must be handled apart from - * the regular text. - * Thus, use this function to step through a line checking if it has any - * equations embedded in it. - * This must handle multiple equations AND equations that do not end at - * the end-of-line, i.e., will re-enter in the next roff parse. - */ -static int -mdoc_preptext(struct mdoc *m, int line, char *buf, int offs) +void +mdoc_node_relink(struct mdoc *mdoc, struct mdoc_node *p) { - char *start, *end; - char delim; - while ('\0' != buf[offs]) { - /* Mark starting position if eqn is set. */ - start = NULL; - if ('\0' != (delim = roff_eqndelim(m->roff))) - if (NULL != (start = strchr(buf + offs, delim))) - *start++ = '\0'; - - /* Parse text as normal. */ - if ( ! mdoc_ptext(m, line, buf, offs)) - return(0); - - /* Continue only if an equation exists. */ - if (NULL == start) - break; - - /* Read past the end of the equation. */ - offs += start - (buf + offs); - assert(start == &buf[offs]); - if (NULL != (end = strchr(buf + offs, delim))) { - *end++ = '\0'; - while (' ' == *end) - end++; - } - - /* Parse the equation itself. */ - roff_openeqn(m->roff, NULL, line, offs, buf); - - /* Process a finished equation? */ - if (roff_closeeqn(m->roff)) - if ( ! mdoc_addeqn(m, roff_eqn(m->roff))) - return(0); - offs += (end - (buf + offs)); - } - - return(1); + mdoc_node_unlink(mdoc, p); + node_append(mdoc, p); } -#endif /* * Parse free-form text, that is, a line that does not begin with the * control character. */ static int -mdoc_ptext(struct mdoc *m, int line, char *buf, int offs) +mdoc_ptext(struct mdoc *mdoc, int line, char *buf, int offs) { char *c, *ws, *end; struct mdoc_node *n; - /* No text before an initial macro. */ + assert(mdoc->last); + n = mdoc->last; - if (SEC_NONE == m->lastnamed) { - mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT); - return(1); - } - - assert(m->last); - n = m->last; - /* * Divert directly to list processing if we're encountering a * columnar MDOC_BLOCK with or without a prior MDOC_BLOCK entry @@ -729,20 +601,22 @@ mdoc_ptext(struct mdoc *m, int line, char *buf, int of * process within its context in the normal way). */ - if (MDOC_Bl == n->tok && MDOC_BODY == n->type && - LIST_column == n->norm->Bl.type) { + if (n->tok == MDOC_Bl && n->type == MDOC_BODY && + n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) { /* `Bl' is open without any children. */ - m->flags |= MDOC_FREECOL; - return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); + mdoc->flags |= MDOC_FREECOL; + mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); + return(1); } if (MDOC_It == n->tok && MDOC_BLOCK == n->type && - NULL != n->parent && - MDOC_Bl == n->parent->tok && - LIST_column == n->parent->norm->Bl.type) { + NULL != n->parent && + MDOC_Bl == n->parent->tok && + LIST_column == n->parent->norm->Bl.type) { /* `Bl' has block-level `It' children. */ - m->flags |= MDOC_FREECOL; - return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf)); + mdoc->flags |= MDOC_FREECOL; + mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf); + return(1); } /* @@ -770,7 +644,7 @@ mdoc_ptext(struct mdoc *m, int line, char *buf, int of * Strip trailing tabs in literal context only; * outside, they affect the next line. */ - if (MDOC_LITERAL & m->flags) + if (MDOC_LITERAL & mdoc->flags) continue; break; case '\\': @@ -787,28 +661,27 @@ mdoc_ptext(struct mdoc *m, int line, char *buf, int of *end = '\0'; if (ws) - mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE); + mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, + line, (int)(ws-buf), NULL); - if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) { - mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN); + if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) { + mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse, + line, (int)(c - buf), NULL); /* * Insert a `sp' in the case of a blank line. Technically, * blank lines aren't allowed, but enough manuals assume this * behaviour that we want to work around it. */ - if ( ! mdoc_elem_alloc(m, line, offs, MDOC_sp, NULL)) - return(0); - - m->next = MDOC_NEXT_SIBLING; - - return(mdoc_valid_post(m)); + mdoc_elem_alloc(mdoc, line, offs, MDOC_sp, NULL); + mdoc->next = MDOC_NEXT_SIBLING; + mdoc_valid_post(mdoc); + return(1); } - if ( ! mdoc_word_alloc(m, line, offs, buf+offs)) - return(0); + mdoc_word_alloc(mdoc, line, offs, buf+offs); - if (MDOC_LITERAL & m->flags) + if (mdoc->flags & MDOC_LITERAL) return(1); /* @@ -819,97 +692,96 @@ mdoc_ptext(struct mdoc *m, int line, char *buf, int of assert(buf < end); - if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0)) - m->last->flags |= MDOC_EOS; - + if (mandoc_eos(buf+offs, (size_t)(end-buf-offs))) + mdoc->last->flags |= MDOC_EOS; return(1); } - /* * Parse a macro line, that is, a line beginning with the control * character. */ static int -mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs) +mdoc_pmacro(struct mdoc *mdoc, int ln, char *buf, int offs) { + struct mdoc_node *n; + const char *cp; enum mdoct tok; int i, sv; char mac[5]; - struct mdoc_node *n; - /* Empty post-control lines are ignored. */ - - if ('"' == buf[offs]) { - mdoc_pmsg(m, ln, offs, MANDOCERR_BADCOMMENT); - return(1); - } else if ('\0' == buf[offs]) - return(1); - sv = offs; - /* + /* * Copy the first word into a nil-terminated buffer. - * Stop copying when a tab, space, or eoln is encountered. + * Stop when a space, tab, escape, or eoln is encountered. */ i = 0; - while (i < 4 && '\0' != buf[offs] && - ' ' != buf[offs] && '\t' != buf[offs]) + while (i < 4 && strchr(" \t\\", buf[offs]) == NULL) mac[i++] = buf[offs++]; mac[i] = '\0'; - tok = (i > 1 || i < 4) ? mdoc_hash_find(mac) : MDOC_MAX; + tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : MDOC_MAX; - if (MDOC_MAX == tok) { - mandoc_vmsg(MANDOCERR_MACRO, m->parse, - ln, sv, "%s", buf + sv - 1); + if (tok == MDOC_MAX) { + mandoc_msg(MANDOCERR_MACRO, mdoc->parse, + ln, sv, buf + sv - 1); return(1); } - /* Disregard the first trailing tab, if applicable. */ + /* Skip a leading escape sequence or tab. */ - if ('\t' == buf[offs]) + switch (buf[offs]) { + case '\\': + cp = buf + offs + 1; + mandoc_escape(&cp, NULL, NULL); + offs = cp - buf; + break; + case '\t': offs++; + break; + default: + break; + } /* Jump to the next non-whitespace word. */ while (buf[offs] && ' ' == buf[offs]) offs++; - /* + /* * Trailing whitespace. Note that tabs are allowed to be passed * into the parser as "text", so we only warn about spaces here. */ if ('\0' == buf[offs] && ' ' == buf[offs - 1]) - mdoc_pmsg(m, ln, offs - 1, MANDOCERR_EOLNSPACE); + mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse, + ln, offs - 1, NULL); /* * If an initial macro or a list invocation, divert directly * into macro processing. */ - if (NULL == m->last || MDOC_It == tok || MDOC_El == tok) { - if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf)) - goto err; + if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) { + mdoc_macro(mdoc, tok, ln, sv, &offs, buf); return(1); } - n = m->last; - assert(m->last); + n = mdoc->last; + assert(mdoc->last); /* * If the first macro of a `Bl -column', open an `It' block * context around the parsed macro. */ - if (MDOC_Bl == n->tok && MDOC_BODY == n->type && - LIST_column == n->norm->Bl.type) { - m->flags |= MDOC_FREECOL; - if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) - goto err; + if (n->tok == MDOC_Bl && n->type == MDOC_BODY && + n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) { + mdoc->flags |= MDOC_FREECOL; + mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); return(1); } @@ -920,26 +792,25 @@ mdoc_pmacro(struct mdoc *m, int ln, char *buf, int off */ if (MDOC_It == n->tok && MDOC_BLOCK == n->type && - NULL != n->parent && - MDOC_Bl == n->parent->tok && - LIST_column == n->parent->norm->Bl.type) { - m->flags |= MDOC_FREECOL; - if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf)) - goto err; + NULL != n->parent && + MDOC_Bl == n->parent->tok && + LIST_column == n->parent->norm->Bl.type) { + mdoc->flags |= MDOC_FREECOL; + mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf); return(1); } /* Normal processing of a macro. */ - if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf)) - goto err; + mdoc_macro(mdoc, tok, ln, sv, &offs, buf); - return(1); + /* In quick mode (for mandocdb), abort after the NAME section. */ -err: /* Error out. */ + if (mdoc->quick && MDOC_Sh == tok && + SEC_NAME != mdoc->last->sec) + return(2); - m->flags |= MDOC_HALT; - return(0); + return(1); } enum mdelim @@ -951,27 +822,27 @@ mdoc_isdelim(const char *p) if ('\0' == p[1]) switch (p[0]) { - case('('): + case '(': /* FALLTHROUGH */ - case('['): + case '[': return(DELIM_OPEN); - case('|'): + case '|': return(DELIM_MIDDLE); - case('.'): + case '.': /* FALLTHROUGH */ - case(','): + case ',': /* FALLTHROUGH */ - case(';'): + case ';': /* FALLTHROUGH */ - case(':'): + case ':': /* FALLTHROUGH */ - case('?'): + case '?': /* FALLTHROUGH */ - case('!'): + case '!': /* FALLTHROUGH */ - case(')'): + case ')': /* FALLTHROUGH */ - case(']'): + case ']': return(DELIM_CLOSE); default: return(DELIM_NONE); @@ -982,8 +853,47 @@ mdoc_isdelim(const char *p) if (0 == strcmp(p + 1, ".")) return(DELIM_CLOSE); - if (0 == strcmp(p + 1, "*(Ba")) + if (0 == strcmp(p + 1, "fR|\\fP")) return(DELIM_MIDDLE); return(DELIM_NONE); +} + +void +mdoc_deroff(char **dest, const struct mdoc_node *n) +{ + char *cp; + size_t sz; + + if (MDOC_TEXT != n->type) { + for (n = n->child; n; n = n->next) + mdoc_deroff(dest, n); + return; + } + + /* Skip leading whitespace. */ + + for (cp = n->string; '\0' != *cp; cp++) + if (0 == isspace((unsigned char)*cp)) + break; + + /* Skip trailing whitespace. */ + + for (sz = strlen(cp); sz; sz--) + if (0 == isspace((unsigned char)cp[sz-1])) + break; + + /* Skip empty strings. */ + + if (0 == sz) + return; + + if (NULL == *dest) { + *dest = mandoc_strndup(cp, sz); + return; + } + + mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp); + free(*dest); + *dest = cp; }