version 1.8, 2008/12/28 21:25:09 |
version 1.14, 2008/12/30 18:15:26 |
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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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/* FIXME: maxlineargs should be per LINE, no per TOKEN. */ |
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/* FIXME: prologue check should be in macro_call. */ |
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#define _CC(p) ((const char **)p) |
#define _CC(p) ((const char **)p) |
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static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int scope_rewind_exp(struct mdoc *, int, int, int); |
static int scope_rewind_imp(struct mdoc *, int, int); |
static int scope_rewind_imp(struct mdoc *, int, int); |
static int append_text(struct mdoc *, int, |
static int append_text(struct mdoc *, int, |
int, int, char *[]); |
int, int, char *[]); |
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static int append_const(struct mdoc *, int, int, int, char *[]); |
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static int append_constarg(struct mdoc *, int, int, |
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int, const struct mdoc_arg *); |
static int append_scoped(struct mdoc *, int, int, int, |
static int append_scoped(struct mdoc *, int, int, int, |
const char *[], int, const struct mdoc_arg *); |
const char *[], int, const struct mdoc_arg *); |
static int append_delims(struct mdoc *, int, int *, char *); |
static int append_delims(struct mdoc *, int, int *, char *); |
Line 121 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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Line 130 scope_rewind_exp(struct mdoc *mdoc, int ppos, int tok, |
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static int |
static int |
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append_constarg(struct mdoc *mdoc, int tok, int pos, |
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int argc, const struct mdoc_arg *argv) |
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{ |
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switch (tok) { |
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default: |
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break; |
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} |
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mdoc_elem_alloc(mdoc, pos, tok, argc, argv, 0, NULL); |
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return(1); |
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} |
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/* |
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* Append a node with implicit or explicit scoping ONLY. ALL macros |
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* with the implicit- or explicit-scope callback must be included here. |
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*/ |
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static int |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
append_scoped(struct mdoc *mdoc, int tok, int pos, |
int sz, const char *args[], |
int sz, const char *args[], |
int argc, const struct mdoc_arg *argv) |
int argc, const struct mdoc_arg *argv) |
{ |
{ |
enum mdoc_sec sec; |
enum mdoc_sec sec; |
struct mdoc_node *node; |
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if ( ! mdoc_valid(mdoc, tok, pos, sz, args, argc, argv)) |
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return(0); |
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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
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case (MDOC_Sh): |
case (MDOC_Sh): |
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)); |
sec = mdoc_atosec((size_t)sz, _CC(args)); |
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) |
if (SEC_CUSTOM != sec) |
mdoc->sec_lastn = sec; |
mdoc->sec_lastn = sec; |
mdoc->sec_last = sec; |
mdoc->sec_last = sec; |
break; |
break; |
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case (MDOC_Ss): |
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if (0 == sz) |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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break; |
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case (MDOC_Bd): |
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assert(mdoc->last); |
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for (node = mdoc->last->parent; 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; |
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case (MDOC_Bl): |
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break; |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
default: |
abort(); |
break; |
/* NOTREACHED */ |
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} |
} |
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mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
mdoc_block_alloc(mdoc, pos, tok, (size_t)argc, argv); |
Line 180 append_scoped(struct mdoc *mdoc, int tok, int pos, |
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Line 177 append_scoped(struct mdoc *mdoc, int tok, int pos, |
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static int |
static int |
append_text(struct mdoc *mdoc, int tok, |
append_const(struct mdoc *mdoc, int tok, |
int pos, int sz, char *args[]) |
int pos, int sz, char *args[]) |
{ |
{ |
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assert(sz >= 0); |
if ( ! mdoc_valid(mdoc, tok, pos, sz, _CC(args), 0, NULL)) |
args[sz] = NULL; |
return(0); |
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switch (tok) { |
switch (tok) { |
/* ======= ADD MORE MACRO CHECKS BELOW. ======= */ |
case (MDOC_At): |
case (MDOC_Pp): |
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if (0 == sz) |
if (0 == sz) |
break; |
break; |
if ( ! mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0)) |
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return(0); |
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break; |
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case (MDOC_Ft): |
if (ATT_DEFAULT != mdoc_atoatt(args[0])) { |
/* FALLTHROUGH */ |
mdoc_elem_alloc(mdoc, pos, tok, 0, |
case (MDOC_Li): |
NULL, 1, _CC(&args[0])); |
/* FALLTHROUGH */ |
} else { |
case (MDOC_Ms): |
mdoc_elem_alloc(mdoc, pos, tok, |
/* FALLTHROUGH */ |
0, NULL, 0, NULL); |
case (MDOC_Pa): |
mdoc_word_alloc(mdoc, pos, args[0]); |
/* FALLTHROUGH */ |
} |
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): |
if (1 == sz) |
/* FALLTHROUGH */ |
return(1); |
case (MDOC_Cm): |
mdoc_word_alloc(mdoc, pos, args[1]); |
/* FALLTHROUGH */ |
return(1); |
case (MDOC_Fl): |
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/* These can have no arguments. */ |
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break; |
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case (MDOC_Ad): |
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/* FALLTHROUGH */ |
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case (MDOC_Em): |
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/* FALLTHROUGH */ |
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case (MDOC_Er): |
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/* FALLTHROUGH */ |
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case (MDOC_Ev): |
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/* FALLTHROUGH */ |
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case (MDOC_Fa): |
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/* FALLTHROUGH */ |
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case (MDOC_Dv): |
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/* FALLTHROUGH */ |
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case (MDOC_Ic): |
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/* FALLTHROUGH */ |
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case (MDOC_Va): |
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/* FALLTHROUGH */ |
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case (MDOC_Vt): |
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if (0 < sz) |
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break; |
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return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1)); |
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/* ======= ADD MORE MACRO CHECKS ABOVE. ======= */ |
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default: |
default: |
abort(); |
break; |
/* NOTREACHED */ |
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} |
} |
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
Line 250 append_text(struct mdoc *mdoc, int tok, |
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Line 211 append_text(struct mdoc *mdoc, int tok, |
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} |
} |
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static int |
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append_text(struct mdoc *mdoc, int tok, |
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int pos, int sz, char *args[]) |
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{ |
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if ( ! mdoc_valid(mdoc, tok, pos, sz, _CC(args), 0, NULL)) |
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return(0); |
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mdoc_elem_alloc(mdoc, pos, tok, 0, NULL, (size_t)sz, _CC(args)); |
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return(1); |
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} |
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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, j; |
char *args[MDOC_LINEARG_MAX], *p; |
char *args[MDOC_LINEARG_MAX]; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
if (SEC_PROLOGUE == mdoc->sec_lastn) |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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* is non-terminal punctuation. |
* is non-terminal punctuation. |
*/ |
*/ |
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p = args[j]; |
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if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
if ( ! lastpunct && ! append_text(mdoc, tok, ppos, j, args)) |
return(0); |
return(0); |
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mdoc_word_alloc(mdoc, lastarg, p); |
mdoc_word_alloc(mdoc, lastarg, args[j]); |
j = 0; |
j = 0; |
lastpunct = 1; |
lastpunct = 1; |
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} |
} |
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/* |
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* Partial-line scope is identical to line scope (macro_scoped_line()) |
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* except that trailing punctuation is appended to the BLOCK, instead of |
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* contained within the HEAD. |
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*/ |
int |
int |
macro_scoped_pline(MACRO_PROT_ARGS) |
macro_scoped_pline(MACRO_PROT_ARGS) |
{ |
{ |
Line 803 macro_scoped_pline(MACRO_PROT_ARGS) |
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Line 780 macro_scoped_pline(MACRO_PROT_ARGS) |
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/* Token pre-processing. */ |
/* Token pre-processing. */ |
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switch (tok) { |
switch (tok) { |
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case (MDOC_Ql): |
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if ( ! mdoc_warn(mdoc, tok, ppos, WARN_COMPAT_TROFF)) |
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return(0); |
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break; |
default: |
default: |
break; |
break; |
} |
} |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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/* |
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* A delimited-constant macro is similar to a general text macro: the |
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* macro is followed by a 0 or 1 arguments (possibly-unspecified) then |
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* terminating punctuation, other words, or another callable macro. |
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*/ |
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int |
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macro_constant_delimited(MACRO_PROT_ARGS) |
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{ |
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int lastarg, flushed, c, maxargs; |
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char *p; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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/* Process line parameters. */ |
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lastarg = ppos; |
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flushed = 0; |
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/* Token pre-processing. */ |
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switch (tok) { |
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case (MDOC_Ux): |
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maxargs = 0; |
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break; |
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default: |
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maxargs = 1; |
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break; |
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} |
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again: |
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lastarg = *pos; |
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switch (mdoc_args(mdoc, tok, pos, buf, ARGS_DELIM, &p)) { |
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case (ARGS_ERROR): |
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return(0); |
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case (ARGS_WORD): |
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break; |
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case (ARGS_PUNCT): |
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if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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case (ARGS_EOLN): |
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if (flushed) |
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return(1); |
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return(append_const(mdoc, tok, ppos, 0, &p)); |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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/* Accepts no arguments: flush out symbol and continue. */ |
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if (0 == maxargs) { |
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if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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flushed = 1; |
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} |
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if (MDOC_MAX != (c = mdoc_find(mdoc, p))) { |
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if ( ! flushed && ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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if ( ! mdoc_macro(mdoc, c, lastarg, pos, buf)) |
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return(0); |
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if (ppos > 1) |
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return(1); |
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return(append_delims(mdoc, tok, pos, buf)); |
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} |
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/* |
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* We only accept one argument; subsequent tokens are considered |
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* as literal words (until a macro). |
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*/ |
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if ( ! flushed && ! mdoc_isdelim(p)) { |
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if ( ! append_const(mdoc, tok, ppos, 1, &p)) |
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return(0); |
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flushed = 1; |
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goto again; |
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} else if ( ! flushed) { |
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if ( ! append_const(mdoc, tok, ppos, 0, &p)) |
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return(0); |
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flushed = 1; |
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} |
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mdoc_word_alloc(mdoc, lastarg, p); |
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goto again; |
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/* NOTREACHED */ |
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} |
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int |
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macro_constant(MACRO_PROT_ARGS) |
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{ |
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int lastarg, j; |
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char *args[MDOC_LINEARG_MAX]; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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j = 0; |
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lastarg = ppos; |
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again: |
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if (j == MDOC_LINEARG_MAX) |
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return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
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lastarg = *pos; |
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switch (mdoc_args(mdoc, tok, pos, buf, 0, &args[j])) { |
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case (ARGS_ERROR): |
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return(0); |
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case (ARGS_WORD): |
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break; |
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case (ARGS_EOLN): |
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return(append_const(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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if (MDOC_MAX != mdoc_find(mdoc, args[j])) |
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if ( ! mdoc_warn(mdoc, tok, lastarg, WARN_SYNTAX_MACLIKE)) |
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return(0); |
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j++; |
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goto again; |
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/* NOTREACHED */ |
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} |
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int |
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macro_constant_argv(MACRO_PROT_ARGS) |
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{ |
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int c, lastarg, j; |
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struct mdoc_arg argv[MDOC_LINEARG_MAX]; |
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if (SEC_PROLOGUE == mdoc->sec_lastn) |
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return(mdoc_err(mdoc, tok, ppos, ERR_SEC_PROLOGUE)); |
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lastarg = *pos; |
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for (j = 0; j < MDOC_LINEARG_MAX; j++) { |
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lastarg = *pos; |
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c = mdoc_argv(mdoc, tok, &argv[j], pos, buf); |
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if (0 == c) |
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break; |
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else if (1 == c) |
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continue; |
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mdoc_argv_free(j, argv); |
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return(0); |
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} |
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if (MDOC_LINEARG_MAX == j) { |
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mdoc_argv_free(j, argv); |
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return(mdoc_err(mdoc, tok, lastarg, ERR_ARGS_MANY)); |
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} |
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c = append_constarg(mdoc, tok, ppos, j, argv); |
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mdoc_argv_free(j, argv); |
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return(c); |
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} |