=================================================================== RCS file: /cvs/mandoc/Attic/validate.c,v retrieving revision 1.60 retrieving revision 1.68 diff -u -p -r1.60 -r1.68 --- mandoc/Attic/validate.c 2009/02/25 12:32:50 1.60 +++ mandoc/Attic/validate.c 2009/03/05 13:12:12 1.68 @@ -1,4 +1,4 @@ -/* $Id: validate.c,v 1.60 2009/02/25 12:32:50 kristaps Exp $ */ +/* $Id: validate.c,v 1.68 2009/03/05 13:12:12 kristaps Exp $ */ /* * Copyright (c) 2008 Kristaps Dzonsons * @@ -22,6 +22,8 @@ #include "private.h" +/* FIXME: .Bl -diag can't have non-text children in HEAD. */ + /* * Pre- and post-validate macros as they're parsed. Pre-validation * occurs when the macro has been detected and its arguments parsed. @@ -36,9 +38,7 @@ typedef int (*v_pre)(PRE_ARGS); typedef int (*v_post)(POST_ARGS); -/* FIXME: some sections should only occur in specific msecs. */ -/* FIXME: ignoring Pp. */ -/* FIXME: math symbols. */ +/* TODO: ignoring Pp (it's superfluous in some invocations). */ struct valids { v_pre *pre; @@ -52,7 +52,10 @@ static int check_msec(PRE_ARGS, int, enum mdoc_msec *) static int check_stdarg(PRE_ARGS); static int check_text(struct mdoc *, - size_t, size_t, const char *); + int, int, const char *); +static int check_argv(struct mdoc *, + const struct mdoc_node *, + const struct mdoc_arg *); static int err_child_lt(struct mdoc *, const char *, int); static int warn_child_lt(struct mdoc *, const char *, int); @@ -278,7 +281,8 @@ mdoc_valid_pre(struct mdoc *mdoc, { v_pre *p; struct mdoc_arg *argv; - size_t argc, i, j, line, pos; + size_t argc; + int line, pos, i, j; const char *tp; if (MDOC_TEXT == node->type) { @@ -296,16 +300,16 @@ mdoc_valid_pre(struct mdoc *mdoc, node->data.block.argc : node->data.elem.argc; - for (i = 0; i < argc; i++) { - if (0 == argv[i].sz) - continue; - for (j = 0; j < argv[i].sz; j++) { + for (i = 0; i < (int)argc; i++) { + for (j = 0; j < (int)argv[i].sz; j++) { tp = argv[i].value[j]; line = argv[i].line; pos = argv[i].pos; if ( ! check_text(mdoc, line, pos, tp)) return(0); } + if ( ! check_argv(mdoc, node, &argv[i])) + return(0); } } @@ -475,23 +479,64 @@ check_msec(PRE_ARGS, int sz, enum mdoc_msec *msecs) } +/* + * Check over an argument. When this has more stuff in it, make this + * into a table-driven function; until then, a switch is fine. + */ static int -check_text(struct mdoc *mdoc, size_t line, size_t pos, const char *p) +check_argv(struct mdoc *mdoc, + const struct mdoc_node *node, + const struct mdoc_arg *argv) { + + + switch (argv->arg) { + case (MDOC_Std): + switch (node->tok) { + case (MDOC_Ex): + /* + * If the -std does not have an argument, then + * set it with the default name (if set). This + * only happens with MDOC_Ex. + */ + if (1 == argv->sz) + return(1); + assert(0 == argv->sz); + if (mdoc->meta.name) + return(1); + return(mdoc_nerr(mdoc, node, + "default name not yet set")); + default: + break; + } + break; + default: + break; + } + + return(1); +} + + +static int +check_text(struct mdoc *mdoc, int line, int pos, const char *p) +{ size_t c; + /* XXX - indicate deprecated escapes \*(xx and \*x. */ + for ( ; *p; p++) { - if ( ! isprint((int)*p) && '\t' != *p) + if ( ! isprint((u_char)*p) && '\t' != *p) return(mdoc_perr(mdoc, line, pos, - "invalid characters")); + "invalid non-printing characters")); if ('\\' != *p) continue; if ((c = mdoc_isescape(p))) { - p += (c - 1); + p += (int)c - 1; continue; } - return(mdoc_perr(mdoc, line, pos, - "invalid escape sequence")); + return(mdoc_perr(mdoc, line, pos, + "invalid escape sequence")); } return(1); @@ -540,7 +585,7 @@ pre_display(PRE_ARGS) static int pre_bl(PRE_ARGS) { - int type, i; + int type, i, width, offset; struct mdoc_arg *argv; size_t argc; @@ -551,8 +596,10 @@ pre_bl(PRE_ARGS) /* Make sure that only one type of list is specified. */ + type = offset = width = -1; + /* LINTED */ - for (i = 0, type = 0; i < (int)argc; i++) { + for (i = 0; i < (int)argc; i++) { argv = &n->data.block.argv[i]; switch (argv->arg) { @@ -577,18 +624,60 @@ pre_bl(PRE_ARGS) case (MDOC_Inset): /* FALLTHROUGH */ case (MDOC_Column): - if (0 == type++) + if (-1 == type) { + type = argv->arg; break; + } return(mdoc_perr(mdoc, argv->line, argv->pos, "multiple types specified")); + case (MDOC_Width): + if (-1 == width) { + width = argv->arg; + break; + } + return(mdoc_perr(mdoc, argv->line, argv->pos, + "multiple -%s arguments", + mdoc_argnames[MDOC_Width])); + case (MDOC_Offset): + if (-1 == offset) { + offset = argv->arg; + break; + } + return(mdoc_perr(mdoc, argv->line, argv->pos, + "multiple -%s arguments", + mdoc_argnames[MDOC_Offset])); default: break; } } - if (type) - return(1); - return(mdoc_err(mdoc, "no type specified")); + if (-1 == type) + return(mdoc_err(mdoc, "no type specified")); + + switch (type) { + case (MDOC_Column): + /* FALLTHROUGH */ + case (MDOC_Diag): + /* FALLTHROUGH */ + case (MDOC_Inset): + /* FALLTHROUGH */ + case (MDOC_Item): + if (-1 == width) + break; + return(mdoc_nwarn(mdoc, n, WARN_SYNTAX, + "superfluous -%s argument", + mdoc_argnames[MDOC_Width])); + case (MDOC_Tag): + if (-1 == width && ! mdoc_nwarn(mdoc, n, WARN_SYNTAX, + "suggest -%s argument", + mdoc_argnames[MDOC_Width])) + return(0); + break; + default: + break; + } + + return(1); } @@ -659,9 +748,6 @@ static int pre_it(PRE_ARGS) { - /* TODO: -width attribute must be specified for -tag. */ - /* TODO: children too big for -width? */ - if (MDOC_BLOCK != n->type) return(1); return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY)); @@ -1010,19 +1096,25 @@ post_bl(POST_ARGS) if (MDOC_BODY != mdoc->last->type) return(1); + if (NULL == (mdoc->last->child)) + return(1); + /* + * Only allow `It' macros to be the immediate descendants of the + * `Bl' list. + */ + /* LINTED */ for (n = mdoc->last->child; n; n = n->next) { if (MDOC_BLOCK == n->type) if (MDOC_It == n->tok) continue; - break; + + return(mdoc_nerr(mdoc, n, "bad child of parent %s", + mdoc_macronames[mdoc->last->tok])); } - if (NULL == n) - return(1); - - return(mdoc_nerr(mdoc, n, "bad child of parent list")); + return(1); }