version 1.9, 2008/12/28 23:07:04 |
version 1.20, 2009/01/05 12:23:17 |
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#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#ifdef __linux__ |
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#include <time.h> |
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#endif |
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#include "private.h" |
#include "private.h" |
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#define _CC(p) ((const char **)p) |
/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int rewind_elem(struct mdoc *, int, int); |
static int scope_rewind_imp(struct mdoc *, int, int); |
static int rewind_imp(struct mdoc *, int, int); |
static int append_text(struct mdoc *, int, |
static int rewind_exp(struct mdoc *, int, int, int); |
int, int, char *[]); |
static int rewind_line(struct mdoc *, int, int); |
static int append_scoped(struct mdoc *, int, int, int, |
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const char *[], int, const struct mdoc_arg *); |
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static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
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static int |
static int |
append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
rewind_elem(struct mdoc *mdoc, int ppos, int tok) |
{ |
{ |
int c, lastarg; |
struct mdoc_node *n; |
char *p; |
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if (0 == buf[*pos]) |
n = mdoc->last; |
return(1); |
if (MDOC_ELEM != n->type) |
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n = n->parent; |
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assert(MDOC_ELEM == n->type); |
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assert(tok == n->data.elem.tok); |
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mdoc_msg(mdoc, *pos, "`%s' flushing punctuation", |
mdoc->last = n; |
mdoc_macronames[tok]); |
mdoc->next = MDOC_NEXT_SIBLING; |
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return(mdoc_valid_post(mdoc, tok, ppos)); |
for (;;) { |
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lastarg = *pos; |
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c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
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if (ARGS_ERROR == c) |
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return(0); |
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else if (ARGS_EOLN == c) |
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break; |
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assert(mdoc_isdelim(p)); |
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mdoc_word_alloc(mdoc, lastarg, p); |
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} |
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return(1); |
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} |
} |
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static int |
static int |
scope_rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
rewind_line(struct mdoc *mdoc, int ppos, int tok) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
int t; |
int t; |
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n = mdoc->last ? mdoc->last->parent : NULL; |
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/* LINTED */ |
/* LINTED */ |
for ( ; n; n = n->parent) { |
for (n = mdoc->last; n; n = n->parent) { |
if (MDOC_BLOCK != n->type) |
if (MDOC_HEAD != n->type) |
continue; |
continue; |
if (tok == (t = n->data.block.tok)) |
if (tok == (t = n->data.head.tok)) |
break; |
break; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
continue; |
continue; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
} |
} |
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if (n) { |
mdoc->last = n ? n : mdoc->last; |
mdoc->last = n; |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc_msg(mdoc, ppos, "scope: rewound implicit `%s'", |
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mdoc_macronames[tok]); |
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return(1); |
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} |
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mdoc_msg(mdoc, ppos, "scope: new implicit `%s'", |
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mdoc_macronames[tok]); |
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return(1); |
return(1); |
} |
} |
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static int |
static int |
scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, int dst) |
rewind_exp(struct mdoc *mdoc, int ppos, int tok, int tt) |
{ |
{ |
struct mdoc_node *n; |
struct mdoc_node *n; |
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Line 105 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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Line 87 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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for (n = mdoc->last->parent; n; n = n->parent) { |
for (n = mdoc->last->parent; n; n = n->parent) { |
if (MDOC_BLOCK != n->type) |
if (MDOC_BLOCK != n->type) |
continue; |
continue; |
if (dst == n->data.block.tok) |
if (tt == n->data.block.tok) |
break; |
break; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
} |
} |
Line 113 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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Line 95 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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if (NULL == (mdoc->last = n)) |
if (NULL == (mdoc->last = n)) |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NOCTX)); |
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mdoc_msg(mdoc, ppos, "scope: rewound explicit `%s' to `%s'", |
mdoc->next = MDOC_NEXT_SIBLING; |
mdoc_macronames[tok], mdoc_macronames[dst]); |
return(mdoc_valid_post(mdoc, tok, ppos)); |
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return(1); |
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} |
} |
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static int |
/* ARGSUSED */ |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
int |
int sz, const char *args[], |
macro_close_explicit(MACRO_PROT_ARGS) |
int argc, const struct mdoc_arg *argv) |
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{ |
{ |
enum mdoc_sec sec; |
int tt; |
struct mdoc_node *node; |
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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
case (MDOC_El): |
case (MDOC_Sh): |
tt = MDOC_Bl; |
if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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sec = mdoc_atosec((size_t)sz, _CC(args)); |
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if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn) |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO)) |
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return(0); |
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if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec) |
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return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME)); |
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if (SEC_CUSTOM != sec) |
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mdoc->sec_lastn = sec; |
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mdoc->sec_last = sec; |
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break; |
break; |
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case (MDOC_Ed): |
case (MDOC_Ss): |
tt = MDOC_Bd; |
if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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break; |
break; |
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case (MDOC_Re): |
case (MDOC_Bd): |
tt = MDOC_Rs; |
assert(mdoc->last); |
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node = mdoc->last->parent; |
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/* LINTED */ |
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for ( ; node; node = node->parent) { |
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if (node->type != MDOC_BLOCK) |
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continue; |
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if (node->data.block.tok != MDOC_Bd) |
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continue; |
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return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST)); |
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} |
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break; |
break; |
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case (MDOC_Ef): |
case (MDOC_Bl): |
tt = MDOC_Bf; |
break; |
break; |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
if (0 != buf[*pos]) |
mdoc_head_alloc(mdoc, pos, tok, (size_t)sz, _CC(args)); |
return(mdoc_err(mdoc, tok, ppos, ERR_ARGS_EQ0)); |
mdoc_body_alloc(mdoc, pos, tok); |
return(rewind_exp(mdoc, ppos, tok, tt)); |
return(1); |
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} |
} |
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static int |
static int |
append_text(struct mdoc *mdoc, int tok, |
rewind_imp(struct mdoc *mdoc, int ppos, int tok) |
int pos, int sz, char *args[]) |
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{ |
{ |
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struct mdoc_node *n; |
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int t; |
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assert(sz >= 0); |
n = mdoc->last ? mdoc->last->parent : NULL; |
args[sz] = NULL; |
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switch (tok) { |
/* LINTED */ |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
for ( ; n; n = n->parent) { |
case (MDOC_Pp): |
if (MDOC_BLOCK != n->type) |
if (0 == sz) |
continue; |
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if (tok == (t = n->data.block.tok)) |
break; |
break; |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)) |
if ( ! (MDOC_EXPLICIT & mdoc_macros[t].flags)) |
return(0); |
continue; |
break; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_BREAK)); |
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} |
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case (MDOC_Ft): |
mdoc->last = n ? n : mdoc->last; |
/* FALLTHROUGH */ |
mdoc->next = MDOC_NEXT_SIBLING; |
case (MDOC_Li): |
return(1); |
/* FALLTHROUGH */ |
/*return(mdoc_valid_post(mdoc, tok, ppos));*/ |
case (MDOC_Ms): |
} |
/* FALLTHROUGH */ |
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case (MDOC_Pa): |
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/* FALLTHROUGH */ |
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case (MDOC_Tn): |
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if (0 < sz) |
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break; |
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if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1)) |
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return(0); |
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break; |
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case (MDOC_Ar): |
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/* FALLTHROUGH */ |
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case (MDOC_Cm): |
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/* FALLTHROUGH */ |
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case (MDOC_Fl): |
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/* These can have no arguments. */ |
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break; |
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case (MDOC_Ad): |
static int |
/* FALLTHROUGH */ |
append_delims(struct mdoc *mdoc, int tok, int *pos, char *buf) |
case (MDOC_Em): |
{ |
/* FALLTHROUGH */ |
int c, lastarg; |
case (MDOC_Er): |
char *p; |
/* FALLTHROUGH */ |
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case (MDOC_Ev): |
if (0 == buf[*pos]) |
/* FALLTHROUGH */ |
return(1); |
case (MDOC_Fa): |
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/* FALLTHROUGH */ |
for (;;) { |
case (MDOC_Dv): |
lastarg = *pos; |
/* FALLTHROUGH */ |
c = mdoc_args(mdoc, tok, pos, buf, 0, &p); |
case (MDOC_Ic): |
if (ARGS_ERROR == c) |
/* FALLTHROUGH */ |
return(0); |
case (MDOC_Va): |
else if (ARGS_EOLN == c) |
/* FALLTHROUGH */ |
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case (MDOC_Vt): |
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if (0 < sz) |
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break; |
break; |
return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
assert(mdoc_isdelim(p)); |
/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
mdoc_word_alloc(mdoc, lastarg, p); |
default: |
mdoc->next = MDOC_NEXT_SIBLING; |
abort(); |
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/* NOTREACHED */ |
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} |
} |
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
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return(1); |
return(1); |
} |
} |
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/* |
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* A general text domain macro. When invoked, this opens a scope that |
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* accepts words until either end-of-line, only-punctuation, or a |
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* callable macro. If the word is punctuation (not only-punctuation), |
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* then the scope is closed out, the punctuation appended, then the |
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* scope opened again. If any terminating conditions are met, the scope |
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* is closed out. If this is the first macro in the line and |
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* only-punctuation remains, this punctuation is flushed. |
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*/ |
int |
int |
macro_text(MACRO_PROT_ARGS) |
macro_text(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, lastpunct, c, j; |
int lastarg, lastpunct, c, sz, fl, argc; |
char *args[MDOC_LINEARG_MAX], *p; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
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char *p; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
lastarg = ppos; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
lastpunct = 0; |
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/* Token pre-processing. */ |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
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lastarg = *pos; |
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switch (tok) { |
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
case (MDOC_Pp): |
if (ARGV_EOLN == c || ARGV_WORD == c) |
/* `.Pp' ignored when following `.Sh' or `.Ss'. */ |
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assert(mdoc->last); |
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if (MDOC_BODY != mdoc->last->type) |
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break; |
break; |
switch (mdoc->last->data.body.tok) { |
else if (ARGV_ARG == c) |
case (MDOC_Ss): |
continue; |
/* FALLTHROUGH */ |
mdoc_argv_free(argc, argv); |
case (MDOC_Sh): |
return(0); |
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_AFTER_BLK)) |
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return(0); |
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return(1); |
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default: |
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break; |
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} |
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break; |
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default: |
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break; |
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} |
} |
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/* Process line parameters. */ |
if ( ! mdoc_valid_pre(mdoc, tok, ppos, argc, argv)) { |
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mdoc_argv_free(argc, argv); |
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return(0); |
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} |
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j = 0; |
fl = ARGS_DELIM; |
lastarg = ppos; |
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
lastpunct = 0; |
fl |= ARGS_QUOTED; |
|
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again: |
mdoc_elem_alloc(mdoc, lastarg, tok, argc, argv); |
if (j == MDOC_LINEARG_MAX) |
mdoc->next = MDOC_NEXT_CHILD; |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
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/* |
for (lastpunct = sz = 0; sz + argc < MDOC_LINEARG_MAX; sz++) { |
* Parse out the next argument, unquoted and unescaped. If |
lastarg = *pos; |
* we're a word (which may be punctuation followed eventually by |
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* a real word), then fall into checking for callables. If |
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* only punctuation remains and we're the first, then flush |
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* arguments, punctuation and exit; else, return to the caller. |
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*/ |
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|
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lastarg = *pos; |
if (lastpunct) { |
|
mdoc_elem_alloc(mdoc, lastarg, tok, argc, argv); |
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mdoc->next = MDOC_NEXT_CHILD; |
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lastpunct = 0; |
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} |
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switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &args[j])) { |
c = mdoc_args(mdoc, tok, pos, buf, fl, &p); |
case (ARGS_ERROR): |
if (ARGS_ERROR == c) { |
return(0); |
mdoc_argv_free(argc, argv); |
case (ARGS_WORD): |
|
break; |
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case (ARGS_PUNCT): |
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if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
|
return(0); |
return(0); |
if (ppos > 1) |
} |
return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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case (ARGS_EOLN): |
|
if (lastpunct) |
|
return(1); |
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return(append_text(mdoc, tok, ppos, j, args)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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|
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/* |
if (ARGS_EOLN == c) |
* Command found. First flush out arguments, then call the |
break; |
* command. If we're the line macro when it exits, flush |
if (ARGS_PUNCT == c) |
* terminal punctuation. |
break; |
*/ |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, args[j]))) { |
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
if ( ! rewind_elem(mdoc, ppos, tok)) { |
return(0); |
mdoc_argv_free(argc, argv); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(0); |
return(0); |
} |
if (ppos > 1) |
mdoc_argv_free(argc, argv); |
return(1); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(append_delims(mdoc, tok, pos, buf)); |
return(0); |
} |
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
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/* Word/non-term-punctuation found. */ |
if (mdoc_isdelim(p)) { |
|
if ( ! rewind_elem(mdoc, ppos, tok)) { |
if ( ! mdoc_isdelim(args[j])) { |
mdoc_argv_free(argc, argv); |
/* Words are appended to the array of arguments. */ |
return(0); |
j++; |
} |
lastpunct = 0; |
lastpunct = 1; |
goto again; |
} |
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
} |
} |
|
|
/* |
mdoc_argv_free(argc, argv); |
* For punctuation, flush all collected words, then flush |
|
* punctuation, then start collecting again. Of course, this |
|
* is non-terminal punctuation. |
|
*/ |
|
|
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p = args[j]; |
if (sz == MDOC_LINEARG_MAX) |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(0); |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
if ( ! rewind_elem(mdoc, ppos, tok)) |
j = 0; |
return(0); |
lastpunct = 1; |
if (ppos > 1) |
|
return(1); |
goto again; |
return(append_delims(mdoc, tok, pos, buf)); |
/* NOTREACHED */ |
|
} |
} |
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|
|
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/* |
|
* Multi-line-scoped macro. |
|
*/ |
int |
int |
macro_prologue_dtitle(MACRO_PROT_ARGS) |
macro_scoped(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, j; |
int c, lastarg, argc; |
char *args[MDOC_LINEARG_MAX]; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
assert ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (0 == mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) |
|
if ( ! rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
|
lastarg = ppos; |
lastarg = ppos; |
|
|
again: |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
if (j == MDOC_LINEARG_MAX) |
lastarg = *pos; |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
|
if (ARGV_EOLN == c || ARGV_WORD == c) |
lastarg = *pos; |
break; |
|
else if (ARGV_ARG == c) |
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[++j])) { |
continue; |
case (ARGS_EOLN): |
mdoc_argv_free(argc, argv); |
if (mdoc->meta.title) |
|
return(1); |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_ARGS_GE1)) |
|
return(0); |
|
(void)xstrlcpy(mdoc->meta.title, |
|
"UNTITLED", META_TITLE_SZ); |
|
return(1); |
|
case (ARGS_ERROR): |
|
return(0); |
return(0); |
default: |
|
break; |
|
} |
} |
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
if ( ! mdoc_valid_pre(mdoc, tok, ppos, argc, argv)) { |
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
mdoc_argv_free(argc, argv); |
return(0); |
return(0); |
|
|
if (0 == j) { |
|
if (xstrlcpy(mdoc->meta.title, args[0], META_TITLE_SZ)) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
} else if (1 == j) { |
|
mdoc->meta.msec = mdoc_atomsec(args[1]); |
|
if (MSEC_DEFAULT != mdoc->meta.msec) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, -1, ERR_SYNTAX_ARGFORM)); |
|
|
|
} else if (2 == j) { |
|
mdoc->meta.vol = mdoc_atovol(args[2]); |
|
if (VOL_DEFAULT != mdoc->meta.vol) |
|
goto again; |
|
mdoc->meta.arch = mdoc_atoarch(args[2]); |
|
if (ARCH_DEFAULT != mdoc->meta.arch) |
|
goto again; |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
} |
} |
|
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
mdoc_block_alloc(mdoc, ppos, tok, (size_t)argc, argv); |
} |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
|
mdoc_argv_free(argc, argv); |
|
|
int |
/* XXX - Assumes header isn't parsed! */ |
macro_prologue_os(MACRO_PROT_ARGS) |
|
{ |
|
int lastarg, j; |
|
char *args[MDOC_LINEARG_MAX]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
if (0 != buf[*pos]) { |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
mdoc_head_alloc(mdoc, ppos, tok); |
if (0 == mdoc->meta.title[0]) |
mdoc->next = MDOC_NEXT_CHILD; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.os[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
mdoc_word_alloc(mdoc, lastarg, &buf[*pos]); |
lastarg = ppos; |
mdoc->next = MDOC_NEXT_SIBLING; |
|
|
again: |
if ( ! rewind_line(mdoc, ppos, tok)) |
if (j == MDOC_LINEARG_MAX) |
return(0); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
while (buf[*pos]) |
|
(*pos)++; |
switch (mdoc_args(mdoc, tok, pos, buf, |
|
ARGS_QUOTED, &args[++j])) { |
|
case (ARGS_EOLN): |
|
mdoc->sec_lastn = mdoc->sec_last = SEC_BODY; |
|
return(1); |
|
case (ARGS_ERROR): |
|
return(0); |
|
default: |
|
break; |
|
} |
} |
|
|
if ( ! xstrlcat(mdoc->meta.os, args[j], sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
if ( ! xstrlcat(mdoc->meta.os, " ", sizeof(mdoc->meta.os))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
#if 0 |
/* NOTREACHED */ |
/* Post-processing. */ |
} |
switch (tok) { |
|
case (MDOC_Sh): |
|
sec = mdoc_atosec((size_t)sz, _CC(args)); |
int |
if (SEC_CUSTOM != sec) |
macro_prologue_ddate(MACRO_PROT_ARGS) |
mdoc->sec_lastn = sec; |
{ |
mdoc->sec_last = sec; |
int lastarg, j; |
break; |
char *args[MDOC_LINEARG_MAX], date[64]; |
|
|
|
if (SEC_PROLOGUE != mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_NPROLOGUE)); |
|
if (mdoc->meta.title[0]) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_OO)); |
|
if (mdoc->meta.date) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE_REP)); |
|
|
|
j = -1; |
|
date[0] = 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_EOLN): |
|
if (mdoc->meta.date) |
|
return(1); |
|
mdoc->meta.date = mdoc_atotime(date); |
|
if (mdoc->meta.date) |
|
return(1); |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SYNTAX_ARGFORM)); |
|
case (ARGS_ERROR): |
|
return(0); |
|
default: |
default: |
break; |
break; |
} |
} |
|
#endif |
if (MDOC_MAX != mdoc_find(mdoc, args[j]) && ! mdoc_warn |
|
(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
|
return(0); |
|
|
|
if (0 == j) { |
|
if (xstrcmp("$Mdocdate$", args[j])) { |
|
mdoc->meta.date = time(NULL); |
|
goto again; |
|
} else if (xstrcmp("$Mdocdate:", args[j])) |
|
goto again; |
|
} else if (4 == j) |
|
if ( ! xstrcmp("$", args[j])) |
|
goto again; |
|
|
|
if ( ! xstrlcat(date, args[j], sizeof(date))) |
mdoc_body_alloc(mdoc, ppos, tok); |
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
mdoc->next = MDOC_NEXT_CHILD; |
if ( ! xstrlcat(date, " ", sizeof(date))) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_SYNTAX_ARGFORM)); |
|
|
|
goto again; |
return(1); |
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
|
/* |
|
* When scoped to a line, a macro encompasses all of the contents. This |
|
* differs from constants or text macros, where a new macro will |
|
* terminate the existing context. |
|
*/ |
int |
int |
macro_scoped_explicit(MACRO_PROT_ARGS) |
macro_scoped_line(MACRO_PROT_ARGS) |
{ |
{ |
int c, lastarg, j; |
int lastarg, c, j; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
char *p; |
struct mdoc_node *n; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
/* |
mdoc_head_alloc(mdoc, ppos, tok); |
* First close out the explicit scope. The `end' tags (such as |
mdoc->next = MDOC_NEXT_CHILD; |
* `.El' to `.Bl' don't cause anything to happen: we merely |
|
* readjust our last parse point. |
|
*/ |
|
|
|
switch (tok) { |
/* XXX - no known argument macros. */ |
case (MDOC_El): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bl)); |
|
case (MDOC_Ed): |
|
return(scope_rewind_exp(mdoc, ppos, tok, MDOC_Bd)); |
|
default: |
|
break; |
|
} |
|
|
|
assert(MDOC_EXPLICIT & mdoc_macros[tok].flags); |
if ( ! mdoc_valid_pre(mdoc, tok, ppos, 0, NULL)) |
|
return(0); |
|
|
/* Token pre-processing. */ |
/* Process line parameters. */ |
|
|
switch (tok) { |
for (lastarg = ppos, j = 0; j < MDOC_LINEARG_MAX; j++) { |
case (MDOC_Bl): |
lastarg = *pos; |
/* FALLTHROUGH */ |
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
case (MDOC_Bd): |
|
/* `.Pp' ignored when preceding `.Bl' or `.Bd'. */ |
if (ARGS_ERROR == c) |
assert(mdoc->last); |
return(0); |
if (MDOC_ELEM != mdoc->last->type) |
if (ARGS_PUNCT == c) |
break; |
break; |
if (MDOC_Pp != mdoc->last->data.elem.tok) |
if (ARGS_EOLN == c) |
break; |
break; |
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
|
return(0); |
|
assert(mdoc->last->prev); |
|
n = mdoc->last; |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
lastarg = *pos; |
if (MDOC_MAX == (c = mdoc_find(mdoc, p))) { |
|
mdoc_word_alloc(mdoc, lastarg, p); |
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
mdoc->next = MDOC_NEXT_SIBLING; |
lastarg = *pos; |
|
c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
|
if (0 == c) |
|
break; |
|
else if (1 == c) |
|
continue; |
continue; |
|
} |
|
|
mdoc_argv_free(j, argv); |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
return(0); |
return(0); |
|
break; |
} |
} |
|
|
if (MDOC_LINEARG_MAX == j) { |
if (j == MDOC_LINEARG_MAX) |
mdoc_argv_free(j, argv); |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
} |
|
|
|
c = append_scoped(mdoc, tok, ppos, 0, NULL, j, argv); |
if (1 == ppos) { |
mdoc_argv_free(j, argv); |
if ( ! rewind_line(mdoc, ppos, tok)) |
return(c); |
return(0); |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
} |
|
return(rewind_imp(mdoc, ppos, tok)); |
} |
} |
|
|
|
|
/* |
/* |
* Implicity-scoped macros, like `.Ss', have a scope that terminates |
* Delimited macros are like text macros except that, should punctuation |
* with a subsequent call to the same macro. Implicit macros cannot |
* be encountered, the macro isn't re-started with remaining tokens |
* break the scope of explicitly-scoped macros; however, they can break |
* (it's only emitted once). Delimited macros can have a maximum number |
* the scope of other implicit macros (so `.Sh' can break `.Ss'). This |
* of arguments. |
* is ok with macros like `.It' because they exist only within an |
|
* explicit context. |
|
* |
|
* These macros put line arguments (which it's allowed to have) into the |
|
* HEAD section and open a BODY scope to be used until the macro scope |
|
* closes. |
|
*/ |
*/ |
int |
int |
macro_scoped_implicit(MACRO_PROT_ARGS) |
macro_constant_delimited(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, j; |
int lastarg, flushed, j, c, maxargs; |
char *args[MDOC_LINEARG_MAX]; |
char *p; |
struct mdoc_node *n; |
|
|
|
assert( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)); |
lastarg = ppos; |
|
flushed = 0; |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
|
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
switch (tok) { |
case (MDOC_Ss): |
case (MDOC_No): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MDOC_Sh): |
case (MDOC_Ns): |
/* `.Pp' ignored when preceding `.Ss' or `.Sh'. */ |
/* FALLTHROUGH */ |
if (NULL == mdoc->last) |
case (MDOC_Ux): |
break; |
maxargs = 0; |
if (MDOC_ELEM != mdoc->last->type) |
|
break; |
|
if (MDOC_Pp != mdoc->last->data.elem.tok) |
|
break; |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_IGN_BEFORE_BLK)) |
|
return(0); |
|
assert(mdoc->last->prev); |
|
n = mdoc->last; |
|
mdoc_msg(mdoc, ppos, "removing prior `Pp' macro"); |
|
mdoc->last = mdoc->last->prev; |
|
mdoc->last->next = NULL; |
|
mdoc_node_free(n); |
|
break; |
break; |
default: |
default: |
|
maxargs = 1; |
break; |
break; |
} |
} |
|
|
/* Rewind our scope. */ |
mdoc_elem_alloc(mdoc, lastarg, tok, 0, NULL); |
|
mdoc->next = MDOC_NEXT_CHILD; |
|
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
return(0); |
lastarg = *pos; |
|
|
j = 0; |
if (j == maxargs && ! flushed) { |
lastarg = ppos; |
if ( ! rewind_elem(mdoc, ppos, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
/* |
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
* Process until we hit a line. Note that current implicit |
if (ARGS_ERROR == c) |
* macros don't have any arguments, so we don't need to do any |
return(0); |
* argument processing. |
if (ARGS_PUNCT == c) |
*/ |
break; |
|
if (ARGS_EOLN == c) |
|
break; |
|
|
again: |
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
if (j == MDOC_LINEARG_MAX) |
if ( ! flushed && ! rewind_elem(mdoc, ppos, tok)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(0); |
|
flushed = 1; |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
break; |
|
} |
|
|
lastarg = *pos; |
if (mdoc_isdelim(p)) { |
|
if ( ! rewind_elem(mdoc, ppos, tok)) |
|
return(0); |
|
flushed = 1; |
|
} |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
mdoc->next = MDOC_NEXT_SIBLING; |
|
} |
|
|
switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
if ( ! flushed && rewind_elem(mdoc, ppos, tok)) |
case (ARGS_ERROR): |
|
return(0); |
return(0); |
case (ARGS_EOLN): |
|
return(append_scoped(mdoc, tok, ppos, j, _CC(args), 0, NULL)); |
|
default: |
|
break; |
|
} |
|
|
|
if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
if (MDOC_LINEARG_MAX == j) |
if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(0); |
|
|
|
j++; |
if (ppos > 1) |
goto again; |
return(1); |
/* NOTREACHED */ |
return(append_delims(mdoc, tok, pos, buf)); |
} |
} |
|
|
|
|
/* |
/* |
* A line-scoped macro opens a scope for the contents of its line, which |
* Constant macros span an entire line: they constitute a macro and all |
* are placed under the HEAD node. Punctuation trailing the line is put |
* of its arguments and child data. |
* as a sibling to the HEAD node, under the BLOCK node. |
|
*/ |
*/ |
int |
int |
macro_scoped_line(MACRO_PROT_ARGS) |
macro_constant(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c, j; |
int c, lastarg, argc, sz, fl; |
char *p; |
struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
struct mdoc_node *n; |
char *p; |
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
fl = 0; |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
if (MDOC_QUOTABLE & mdoc_macros[tok].flags) |
|
fl = ARGS_QUOTED; |
|
|
assert(1 == ppos); |
for (argc = 0; argc < MDOC_LINEARG_MAX; argc++) { |
|
lastarg = *pos; |
/* Token pre-processing. */ |
c = mdoc_argv(mdoc, tok, &argv[argc], pos, buf); |
|
if (ARGV_EOLN == c) |
switch (tok) { |
|
case (MDOC_D1): |
|
/* FALLTHROUGH */ |
|
case (MDOC_Dl): |
|
/* These can't be nested in a display block. */ |
|
assert(mdoc->last); |
|
for (n = mdoc->last->parent ; n; n = n->parent) |
|
if (MDOC_BLOCK != n->type) |
|
continue; |
|
else if (MDOC_Bd == n->data.block.tok) |
|
break; |
|
if (NULL == n) |
|
break; |
break; |
return(mdoc_err(mdoc, tok, ppos, ERR_SCOPE_NONEST)); |
else if (ARGV_ARG == c) |
default: |
continue; |
break; |
else if (ARGV_WORD == c) |
|
break; |
|
|
|
mdoc_argv_free(argc, argv); |
|
return(0); |
} |
} |
|
|
/* |
if (MDOC_LINEARG_MAX == argc) { |
* All line-scoped macros have a HEAD and optionally a BODY |
mdoc_argv_free(argc, argv); |
* section. We open our scope here; when we exit this function, |
|
* we'll rewind our scope appropriately. |
|
*/ |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
} |
|
|
lastarg = *pos; |
mdoc_elem_alloc(mdoc, ppos, tok, argc, argv); |
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
mdoc->next = MDOC_NEXT_CHILD; |
|
|
switch (c) { |
mdoc_argv_free(argc, argv); |
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! append_delims(mdoc, tok, pos, buf)) |
|
return(0); |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
for (sz = 0; sz + argc < MDOC_LINEARG_MAX; sz++) { |
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, fl, &p); |
|
if (ARGS_ERROR == c) |
return(0); |
return(0); |
if ( ! append_delims(mdoc, tok, pos, buf)) |
if (ARGS_EOLN == c) |
return(0); |
break; |
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
mdoc->next = MDOC_NEXT_CHILD; |
} |
} |
|
|
if (mdoc_isdelim(p)) |
if (MDOC_LINEARG_MAX == sz + argc) |
j = 0; |
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
return(rewind_elem(mdoc, ppos, tok)); |
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|
|
|
/* |
/* ARGSUSED */ |
* 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 |
int |
macro_scoped_pline(MACRO_PROT_ARGS) |
macro_obsolete(MACRO_PROT_ARGS) |
{ |
{ |
int lastarg, c, j; |
|
char *p; |
|
|
|
if (SEC_PROLOGUE == mdoc->sec_lastn) |
return(mdoc_warn(mdoc, tok, ppos, WARN_IGN_OBSOLETE)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
|
|
|
/* Token pre-processing. */ |
|
|
|
switch (tok) { |
|
case (MDOC_Ql): |
|
if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF)) |
|
return(0); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
mdoc_block_alloc(mdoc, ppos, tok, 0, NULL); |
|
mdoc_head_alloc(mdoc, ppos, tok, 0, NULL); |
|
|
|
/* Process line parameters. */ |
|
|
|
j = 0; |
|
lastarg = ppos; |
|
|
|
again: |
|
if (j == MDOC_LINEARG_MAX) |
|
return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
|
|
|
lastarg = *pos; |
|
c = mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p); |
|
|
|
switch (c) { |
|
case (ARGS_ERROR): |
|
return(0); |
|
case (ARGS_WORD): |
|
break; |
|
case (ARGS_PUNCT): |
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
case (ARGS_EOLN): |
|
return(scope_rewind_imp(mdoc, ppos, tok)); |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
|
if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
|
if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
|
return(0); |
|
if ( ! scope_rewind_imp(mdoc, ppos, tok)) |
|
return(0); |
|
if (ppos > 1) |
|
return(1); |
|
return(append_delims(mdoc, tok, pos, buf)); |
|
} |
|
|
|
if (mdoc_isdelim(p)) |
|
j = 0; |
|
|
|
mdoc_word_alloc(mdoc, lastarg, p); |
|
goto again; |
|
/* NOTREACHED */ |
|
} |
} |
|
|