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authorKristaps Dzonsons <kristaps@bsd.lv>2009-01-22 12:21:03 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2009-01-22 12:21:03 +0000
commit4b119aaaf1c41e166b4050fc5400bdec6306baef (patch)
tree1068f181f9748bdcf14b1cf0e3deb871115379d3 /argv.c
parent6c375f4cc2d689b144c3643a842bacc7f2f0e11b (diff)
downloadmandoc-4b119aaaf1c41e166b4050fc5400bdec6306baef.tar.gz
Finished proper parsing of -column macros.
Diffstat (limited to 'argv.c')
-rw-r--r--argv.c81
1 files changed, 66 insertions, 15 deletions
diff --git a/argv.c b/argv.c
index aa2dfbd5..2a2d5822 100644
--- a/argv.c
+++ b/argv.c
@@ -46,9 +46,17 @@ static int parse_multi(struct mdoc *, int,
static int postparse(struct mdoc *, int,
const struct mdoc_arg *, int);
static int pwarn(struct mdoc *, int, int, int);
+static int perr(struct mdoc *, int, int, int);
#define WQUOTPARM (0)
#define WARGVPARM (1)
+#define WCOLEMPTY (2)
+#define WTAILWS (3)
+
+#define EQUOTTERM (0)
+#define EOFFSET (1)
+#define EARGVAL (2)
+#define EARGMANY (3)
static int mdoc_argflags[MDOC_MAX] = {
0, /* \" */
@@ -161,6 +169,36 @@ static int mdoc_argflags[MDOC_MAX] = {
static int
+perr(struct mdoc *mdoc, int line, int pos, int code)
+{
+ int c;
+
+ switch (code) {
+ case (EQUOTTERM):
+ c = mdoc_perr(mdoc, line, pos,
+ "unterminated quoted parameter");
+ break;
+ case (EOFFSET):
+ c = mdoc_perr(mdoc, line, pos,
+ "invalid value for offset argument");
+ break;
+ case (EARGVAL):
+ c = mdoc_perr(mdoc, line, pos,
+ "argument requires a value");
+ break;
+ case (EARGMANY):
+ c = mdoc_perr(mdoc, line, pos,
+ "too many values for argument");
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+ return(c);
+}
+
+
+static int
pwarn(struct mdoc *mdoc, int line, int pos, int code)
{
int c;
@@ -174,6 +212,14 @@ pwarn(struct mdoc *mdoc, int line, int pos, int code)
c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX,
"argument-like parameter");
break;
+ case (WCOLEMPTY):
+ c = mdoc_pwarn(mdoc, line, pos, WARN_SYNTAX,
+ "last list column is empty");
+ break;
+ case (WTAILWS):
+ c = mdoc_pwarn(mdoc, line, pos, WARN_COMPAT,
+ "trailing whitespace");
+ break;
default:
abort();
/* NOTREACHED */
@@ -318,21 +364,25 @@ mdoc_args(struct mdoc *mdoc, int line,
p++;
if (0 != *p)
*(p - 1) = 0;
- else if (0 == *p)
- if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_SYNTAX, "empty final token")) /* FIXME: verbiage */
- return(0);
*pos += p - *v;
}
+ if (p && 0 == *p)
+ if ( ! pwarn(mdoc, line, *pos, WCOLEMPTY))
+ return(0);
+ if (p && 0 == *p && p > *v && ' ' == *(p - 1))
+ if ( ! pwarn(mdoc, line, *pos, WTAILWS))
+ return(0);
+
/* Configure the eoln case, too. */
if (NULL == p) {
p = strchr(*v, 0);
assert(p);
- /*if (p > *v && ' ' == *(p - 1))
- Warn about whitespace. */
-
+ if (p > *v && ' ' == *(p - 1))
+ if ( ! pwarn(mdoc, line, *pos, WTAILWS))
+ return(0);
*pos += p - *v;
}
@@ -364,7 +414,7 @@ mdoc_args(struct mdoc *mdoc, int line,
if (buf[*pos])
return(ARGS_WORD);
- if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_COMPAT, "whitespace at end-of-line"))
+ if ( ! pwarn(mdoc, line, *pos, WTAILWS))
return(ARGS_ERROR);
return(ARGS_WORD);
@@ -382,7 +432,7 @@ mdoc_args(struct mdoc *mdoc, int line,
(*pos)++;
if (0 == buf[*pos]) {
- (void)mdoc_perr(mdoc, line, *pos, "unterminated quoted parameter");
+ (void)perr(mdoc, line, *pos, EQUOTTERM);
return(ARGS_ERROR);
}
@@ -396,7 +446,7 @@ mdoc_args(struct mdoc *mdoc, int line,
if (buf[*pos])
return(ARGS_QWORD);
- if ( ! mdoc_pwarn(mdoc, line, *pos, WARN_COMPAT, "whitespace at end-of-line"))
+ if ( ! pwarn(mdoc, line, *pos, WTAILWS))
return(ARGS_ERROR);
return(ARGS_QWORD);
@@ -585,7 +635,7 @@ postparse(struct mdoc *mdoc, int line, const struct mdoc_arg *v, int pos)
break;
if (xstrcmp(v->value[0], "indent-two"))
break;
- return(mdoc_perr(mdoc, line, pos, "invalid offset value"));
+ return(perr(mdoc, line, pos, EOFFSET));
default:
break;
}
@@ -622,9 +672,10 @@ parse_multi(struct mdoc *mdoc, int line,
return(1);
free(v->value);
- return(mdoc_perr(mdoc, line, ppos, 0 == v->sz ?
- "argument requires a value" :
- "too many values to argument"));
+ if (0 == v->sz)
+ return(perr(mdoc, line, ppos, EARGVAL));
+
+ return(perr(mdoc, line, ppos, EARGMANY));
}
@@ -641,7 +692,7 @@ parse_single(struct mdoc *mdoc, int line,
if (ARGS_ERROR == c)
return(0);
if (ARGS_EOLN == c)
- return(mdoc_perr(mdoc, line, ppos, "argument requires a value"));
+ return(perr(mdoc, line, ppos, EARGVAL));
v->sz = 1;
v->value = xcalloc(1, sizeof(char *));
@@ -710,7 +761,7 @@ mdoc_argv(struct mdoc *mdoc, int line, int tok,
buf[(*pos)++] = 0;
if (MDOC_ARG_MAX == (v->arg = lookup(tok, argv))) {
- if ( ! mdoc_pwarn(mdoc, line, i, WARN_SYNTAX, "argument-like parameter"))
+ if ( ! pwarn(mdoc, line, i, WARGVPARM))
return(ARGV_ERROR);
return(ARGV_WORD);
}