=================================================================== RCS file: /cvs/mandoc/Attic/macro.c,v retrieving revision 1.8 retrieving revision 1.14 diff -u -p -r1.8 -r1.14 --- mandoc/Attic/macro.c 2008/12/28 21:25:09 1.8 +++ mandoc/Attic/macro.c 2008/12/30 18:15:26 1.14 @@ -1,4 +1,4 @@ -/* $Id: macro.c,v 1.8 2008/12/28 21:25:09 kristaps Exp $ */ +/* $Id: macro.c,v 1.14 2008/12/30 18:15:26 kristaps Exp $ */ /* * Copyright (c) 2008 Kristaps Dzonsons * @@ -21,15 +21,24 @@ #include #include #include +#ifdef __linux__ +#include +#endif #include "private.h" +/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ +/* FIXME: prologue check should be in macro_call. */ + #define _CC(p) ((const char **)p) static int scope_rewind_exp(struct mdoc *, int, int, int); static int scope_rewind_imp(struct mdoc *, int, int); static int append_text(struct mdoc *, int, int, int, char *[]); +static int append_const(struct mdoc *, int, int, int, char *[]); +static int append_constarg(struct mdoc *, int, int, + int, const struct mdoc_arg *); static int append_scoped(struct mdoc *, int, int, int, const char *[], int, const struct mdoc_arg *); static int append_delims(struct mdoc *, int, int *, char *); @@ -121,55 +130,43 @@ scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, static int +append_constarg(struct mdoc *mdoc, int tok, int pos, + int argc, const struct mdoc_arg *argv) +{ + + switch (tok) { + default: + break; + } + + mdoc_elem_alloc(mdoc, pos, tok, argc, argv, 0, NULL); + return(1); +} + + +/* + * Append a node with implicit or explicit scoping ONLY. ALL macros + * with the implicit- or explicit-scope callback must be included here. + */ +static int append_scoped(struct mdoc *mdoc, int tok, int pos, int sz, const char *args[], int argc, const struct mdoc_arg *argv) { enum mdoc_sec sec; - struct mdoc_node *node; + if ( ! mdoc_valid(mdoc, tok, pos, sz, args, argc, argv)) + return(0); + switch (tok) { - /* ======= ADD MORE MACRO CHECKS BELOW. ======= */ case (MDOC_Sh): - if (0 == sz) - return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); - sec = mdoc_atosec((size_t)sz, _CC(args)); - if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) - if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) - return(0); - - if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) - return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); - if (SEC_CUSTOM != sec) mdoc->sec_lastn = sec; mdoc->sec_last = sec; break; - - case (MDOC_Ss): - if (0 == sz) - return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); - break; - - case (MDOC_Bd): - assert(mdoc->last); - for (node = mdoc->last->parent; node; node = node->parent) { - if (node->type != MDOC_BLOCK) - continue; - if (node->data.block.tok != MDOC_Bd) - continue; - return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST)); - } - break; - - case (MDOC_Bl): - break; - - /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ default: - abort(); - /* NOTREACHED */ + break; } mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); @@ -180,69 +177,33 @@ append_scoped(struct mdoc *mdoc, int tok, int pos, static int -append_text(struct mdoc *mdoc, int tok, +append_const(struct mdoc *mdoc, int tok, int pos, int sz, char *args[]) { - assert(sz >= 0); - args[sz] = NULL; + if ( ! mdoc_valid(mdoc, tok, pos, sz, _CC(args), 0, NULL)) + return(0); switch (tok) { - /* ======= ADD MORE MACRO CHECKS BELOW. ======= */ - case (MDOC_Pp): + case (MDOC_At): if (0 == sz) break; - if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)) - return(0); - break; - case (MDOC_Ft): - /* FALLTHROUGH */ - case (MDOC_Li): - /* FALLTHROUGH */ - case (MDOC_Ms): - /* FALLTHROUGH */ - case (MDOC_Pa): - /* FALLTHROUGH */ - case (MDOC_Tn): - if (0 < sz) - break; - if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) - return(0); - break; + if (ATT_DEFAULT != mdoc_atoatt(args[0])) { + mdoc_elem_alloc(mdoc, pos, tok, 0, + NULL, 1, _CC(&args[0])); + } else { + mdoc_elem_alloc(mdoc, pos, tok, + 0, NULL, 0, NULL); + mdoc_word_alloc(mdoc, pos, args[0]); + } - case (MDOC_Ar): - /* FALLTHROUGH */ - case (MDOC_Cm): - /* FALLTHROUGH */ - case (MDOC_Fl): - /* These can have no arguments. */ - break; - - case (MDOC_Ad): - /* FALLTHROUGH */ - case (MDOC_Em): - /* FALLTHROUGH */ - case (MDOC_Er): - /* FALLTHROUGH */ - case (MDOC_Ev): - /* FALLTHROUGH */ - case (MDOC_Fa): - /* FALLTHROUGH */ - case (MDOC_Dv): - /* FALLTHROUGH */ - case (MDOC_Ic): - /* FALLTHROUGH */ - case (MDOC_Va): - /* FALLTHROUGH */ - case (MDOC_Vt): - if (0 < sz) - break; - return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); - /* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ + if (1 == sz) + return(1); + mdoc_word_alloc(mdoc, pos, args[1]); + return(1); default: - abort(); - /* NOTREACHED */ + break; } mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); @@ -250,11 +211,23 @@ append_text(struct mdoc *mdoc, int tok, } +static int +append_text(struct mdoc *mdoc, int tok, + int pos, int sz, char *args[]) +{ + + if ( ! mdoc_valid(mdoc, tok, pos, sz, _CC(args), 0, NULL)) + return(0); + mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); + return(1); +} + + int macro_text(MACRO_PROT_ARGS) { int lastarg, lastpunct, c, j; - char *args[MDOC_LINEARG_MAX], *p; + char *args[MDOC_LINEARG_MAX]; if (SEC_PROLOGUE == mdoc->sec_lastn) return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); @@ -353,11 +326,10 @@ again: * is non-terminal punctuation. */ - p = args[j]; if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) return(0); - mdoc_word_alloc(mdoc, lastarg, p); + mdoc_word_alloc(mdoc, lastarg, args[j]); j = 0; lastpunct = 1; @@ -516,7 +488,7 @@ again: return(0); if (0 == j) { - if (xstrcmp("$Mdocdate: December 28 2008 $", args[j])) { + if (xstrcmp("$Mdocdate: December 30 2008 $", args[j])) { mdoc->meta.date = time(NULL); goto again; } else if (xstrcmp("$Mdocdate:", args[j])) @@ -791,6 +763,11 @@ again: } +/* + * Partial-line scope is identical to line scope (macro_scoped_line()) + * except that trailing punctuation is appended to the BLOCK, instead of + * contained within the HEAD. + */ int macro_scoped_pline(MACRO_PROT_ARGS) { @@ -803,6 +780,10 @@ macro_scoped_pline(MACRO_PROT_ARGS) /* Token pre-processing. */ switch (tok) { + case (MDOC_Ql): + if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF)) + return(0); + break; default: break; } @@ -858,3 +839,169 @@ again: /* NOTREACHED */ } + +/* + * A delimited-constant macro is similar to a general text macro: the + * macro is followed by a 0 or 1 arguments (possibly-unspecified) then + * terminating punctuation, other words, or another callable macro. + */ +int +macro_constant_delimited(MACRO_PROT_ARGS) +{ + int lastarg, flushed, c, maxargs; + char *p; + + if (SEC_PROLOGUE == mdoc->sec_lastn) + return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); + + /* Process line parameters. */ + + lastarg = ppos; + flushed = 0; + + /* Token pre-processing. */ + + switch (tok) { + case (MDOC_Ux): + maxargs = 0; + break; + default: + maxargs = 1; + break; + } + +again: + lastarg = *pos; + + switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { + case (ARGS_ERROR): + return(0); + case (ARGS_WORD): + break; + case (ARGS_PUNCT): + if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) + return(0); + if (ppos > 1) + return(1); + return(append_delims(mdoc, tok, pos, buf)); + case (ARGS_EOLN): + if (flushed) + return(1); + return(append_const(mdoc, tok, ppos, 0, &p)); + default: + abort(); + /* NOTREACHED */ + } + + /* Accepts no arguments: flush out symbol and continue. */ + + if (0 == maxargs) { + if ( ! append_const(mdoc, tok, ppos, 0, &p)) + return(0); + flushed = 1; + } + + if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { + if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) + return(0); + if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) + return(0); + if (ppos > 1) + return(1); + return(append_delims(mdoc, tok, pos, buf)); + } + + /* + * We only accept one argument; subsequent tokens are considered + * as literal words (until a macro). + */ + + if ( ! flushed && ! mdoc_isdelim(p)) { + if ( ! append_const(mdoc, tok, ppos, 1, &p)) + return(0); + flushed = 1; + goto again; + } else if ( ! flushed) { + if ( ! append_const(mdoc, tok, ppos, 0, &p)) + return(0); + flushed = 1; + } + + mdoc_word_alloc(mdoc, lastarg, p); + goto again; + /* NOTREACHED */ +} + + +int +macro_constant(MACRO_PROT_ARGS) +{ + int lastarg, j; + char *args[MDOC_LINEARG_MAX]; + + if (SEC_PROLOGUE == mdoc->sec_lastn) + return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); + + j = 0; + lastarg = ppos; + +again: + if (j == MDOC_LINEARG_MAX) + return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); + + lastarg = *pos; + + switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { + case (ARGS_ERROR): + return(0); + case (ARGS_WORD): + break; + case (ARGS_EOLN): + return(append_const(mdoc, tok, ppos, j, args)); + default: + abort(); + /* NOTREACHED */ + } + + if (MDOC_MAX != mdoc_find(mdoc, args[j])) + if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) + return(0); + + j++; + goto again; + /* NOTREACHED */ +} + + +int +macro_constant_argv(MACRO_PROT_ARGS) +{ + int c, lastarg, j; + struct mdoc_arg argv[MDOC_LINEARG_MAX]; + + if (SEC_PROLOGUE == mdoc->sec_lastn) + return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); + + lastarg = *pos; + + for (j = 0; j < MDOC_LINEARG_MAX; j++) { + lastarg = *pos; + c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); + if (0 == c) + break; + else if (1 == c) + continue; + + mdoc_argv_free(j, argv); + return(0); + } + + if (MDOC_LINEARG_MAX == j) { + mdoc_argv_free(j, argv); + return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); + } + + c = append_constarg(mdoc, tok, ppos, j, argv); + mdoc_argv_free(j, argv); + return(c); +}