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-rw-r--r--roff.c71
1 files changed, 26 insertions, 45 deletions
diff --git a/roff.c b/roff.c
index 9b513050..a220e3c7 100644
--- a/roff.c
+++ b/roff.c
@@ -31,17 +31,11 @@
#include "private.h"
/* TODO: warn if Pp occurs before/after Sh etc. (see mdoc.samples). */
-
/* TODO: warn about "X section only" macros. */
-
/* TODO: warn about empty lists. */
-
/* TODO: (warn) some sections need specific elements. */
-
/* TODO: (warn) NAME section has particular order. */
-
/* TODO: unify empty-content tags a la <br />. */
-
/* TODO: macros with a set number of arguments? */
#define ROFF_MAXARG 32
@@ -67,15 +61,15 @@ struct rofftree;
struct rofftok {
int (*cb)(ROFFCALL_ARGS); /* Callback. */
const int *args; /* Args (or NULL). */
- const int *parents;
- const int *children;
- int ctx;
+ const int *parents; /* Limit to parents. */
+ const int *children; /* Limit to kids. */
+ int ctx; /* Blk-close node. */
enum rofftype type; /* Type of macro. */
int flags;
#define ROFF_PARSED (1 << 0) /* "Parsed". */
#define ROFF_CALLABLE (1 << 1) /* "Callable". */
#define ROFF_SHALLOW (1 << 2) /* Nesting block. */
-#define ROFF_LSCOPE (1 << 3)
+#define ROFF_LSCOPE (1 << 3) /* Line scope. */
};
struct roffarg {
@@ -90,43 +84,36 @@ struct roffnode {
struct rofftree {
struct roffnode *last; /* Last parsed node. */
- char *cur;
-
+ char *cur; /* Line start. */
struct tm tm; /* `Dd' results. */
char os[64]; /* `Os' results. */
char title[64]; /* `Dt' results. */
char section[64]; /* `Dt' results. */
char volume[64]; /* `Dt' results. */
-
int state;
#define ROFF_PRELUDE (1 << 1) /* In roff prelude. */
#define ROFF_PRELUDE_Os (1 << 2) /* `Os' is parsed. */
#define ROFF_PRELUDE_Dt (1 << 3) /* `Dt' is parsed. */
#define ROFF_PRELUDE_Dd (1 << 4) /* `Dd' is parsed. */
#define ROFF_BODY (1 << 5) /* In roff body. */
-
- struct roffcb cb;
- void *arg;
+ struct roffcb cb; /* Callbacks. */
+ void *arg; /* Callbacks' arg. */
};
static int roff_Dd(ROFFCALL_ARGS);
static int roff_Dt(ROFFCALL_ARGS);
static int roff_Os(ROFFCALL_ARGS);
static int roff_Ns(ROFFCALL_ARGS);
-
static int roff_layout(ROFFCALL_ARGS);
static int roff_text(ROFFCALL_ARGS);
static int roff_noop(ROFFCALL_ARGS);
static int roff_depr(ROFFCALL_ARGS);
-
static struct roffnode *roffnode_new(int, struct rofftree *);
static void roffnode_free(struct rofftree *);
-
static void roff_warn(const struct rofftree *,
const char *, char *, ...);
static void roff_err(const struct rofftree *,
const char *, char *, ...);
-
static int roffpurgepunct(struct rofftree *, char **);
static int roffscan(int, const int *);
static int rofffindtok(const char *);
@@ -143,36 +130,31 @@ static int roffparse(struct rofftree *, char *);
static int textparse(const struct rofftree *, char *);
-static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit,
- ROFF_ARGMAX };
-static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled,
- ROFF_Literal, ROFF_File, ROFF_Offset, ROFF_Filled,
- ROFF_Compact, ROFF_ARGMAX };
+static const int roffarg_An[] = { ROFF_Split, ROFF_Nosplit, ROFF_ARGMAX };
+static const int roffarg_Bd[] = { ROFF_Ragged, ROFF_Unfilled, ROFF_Literal,
+ ROFF_File, ROFF_Offset, ROFF_Filled, ROFF_Compact, ROFF_ARGMAX };
static const int roffarg_Bk[] = { ROFF_Words, ROFF_ARGMAX };
static const int roffarg_Ex[] = { ROFF_Std, ROFF_ARGMAX };
static const int roffarg_Rv[] = { ROFF_Std, ROFF_ARGMAX };
-static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash,
- ROFF_Hyphen, ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag,
- ROFF_Hang, ROFF_Ohang, ROFF_Inset, ROFF_Column, ROFF_Offset,
- ROFF_Width, ROFF_Compact, ROFF_ARGMAX };
-static const int roffarg_St[] = {
- ROFF_p1003_1_88, ROFF_p1003_1_90, ROFF_p1003_1_96,
- ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
- ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95,
- ROFF_p1003_1g_2000, ROFF_p1003_2_92, ROFF_p1387_2_95,
- ROFF_p1003_2, ROFF_p1387_2, ROFF_isoC_90, ROFF_isoC_amd1,
- ROFF_isoC_tcor1, ROFF_isoC_tcor2, ROFF_isoC_99, ROFF_ansiC,
- ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754, ROFF_iso8802_3,
- ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3, ROFF_xbd5,
- ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
- ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4,
+static const int roffarg_Bl[] = { ROFF_Bullet, ROFF_Dash, ROFF_Hyphen,
+ ROFF_Item, ROFF_Enum, ROFF_Tag, ROFF_Diag, ROFF_Hang, ROFF_Ohang,
+ ROFF_Inset, ROFF_Column, ROFF_Offset, ROFF_Width, ROFF_Compact,
ROFF_ARGMAX };
+static const int roffarg_St[] = { ROFF_p1003_1_88, ROFF_p1003_1_90,
+ ROFF_p1003_1_96, ROFF_p1003_1_2001, ROFF_p1003_1_2004, ROFF_p1003_1,
+ ROFF_p1003_1b, ROFF_p1003_1b_93, ROFF_p1003_1c_95, ROFF_p1003_1g_2000,
+ ROFF_p1003_2_92, ROFF_p1387_2_95, ROFF_p1003_2, ROFF_p1387_2,
+ ROFF_isoC_90, ROFF_isoC_amd1, ROFF_isoC_tcor1, ROFF_isoC_tcor2,
+ ROFF_isoC_99, ROFF_ansiC, ROFF_ansiC_89, ROFF_ansiC_99, ROFF_ieee754,
+ ROFF_iso8802_3, ROFF_xpg3, ROFF_xpg4, ROFF_xpg4_2, ROFF_xpg4_3,
+ ROFF_xbd5, ROFF_xcu5, ROFF_xsh5, ROFF_xns5, ROFF_xns5_2d2_0,
+ ROFF_xcurses4_2, ROFF_susv2, ROFF_susv3, ROFF_svid4, ROFF_ARGMAX };
static const int roffchild_Bl[] = { ROFF_It, ROFF_El, ROFF_MAX };
static const int roffchild_Fo[] = { ROFF_Fa, ROFF_Fc, ROFF_MAX };
-static const int roffchild_Rs[] = { ROFF_Re, ROFF__A, ROFF__B,
- ROFF__D, ROFF__I, ROFF__J, ROFF__N, ROFF__O, ROFF__P,
- ROFF__R, ROFF__T, ROFF__V, ROFF_MAX };
+static const int roffchild_Rs[] = { ROFF_Re, ROFF__A, ROFF__B, ROFF__D,
+ ROFF__I, ROFF__J, ROFF__N, ROFF__O, ROFF__P, ROFF__R, ROFF__T, ROFF__V,
+ ROFF_MAX };
static const int roffparent_El[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
static const int roffparent_Fc[] = { ROFF_Fo, ROFF_Fa, ROFF_MAX };
@@ -180,7 +162,6 @@ static const int roffparent_Oc[] = { ROFF_Oo, ROFF_MAX };
static const int roffparent_It[] = { ROFF_Bl, ROFF_It, ROFF_MAX };
static const int roffparent_Re[] = { ROFF_Rs, ROFF_MAX };
-/* Table of all known tokens. */
static const struct rofftok tokens[ROFF_MAX] = {
{ roff_noop, NULL, NULL, NULL, 0, ROFF_COMMENT, 0 }, /* \" */
{ roff_Dd, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Dd */
@@ -290,7 +271,6 @@ static const struct rofftok tokens[ROFF_MAX] = {
{ NULL, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ud */
};
-/* Table of all known token arguments. */
static const int tokenargs[ROFF_ARGMAX] = {
0, 0, 0, 0,
0, ROFF_VALUE, ROFF_VALUE, 0,
@@ -665,6 +645,7 @@ roffparse(struct rofftree *tree, char *buf)
assert(tok != tokens[tok].ctx && 0 != tokens[tok].ctx);
+ /* LINTED */
for (n = tree->last; n; n = n->parent)
if (n->tok != tokens[tok].ctx) {
if (n->tok == tokens[n->tok].ctx)
generated by cgit (git 2.34.1) at 2024-11-14 07:40:04 +0000