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/*
* cook - file construction tool
* Copyright (C) 1994, 1997, 1998 Peter Miller;
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
*
* MANIFEST: functions to manipulate comment statements
*/
#include <ac/ctype.h>
#include <emit.h>
#include <mem.h>
#include <stmt/comment.h>
#include <str_list.h>
typedef struct stmt_comment_ty stmt_comment_ty;
struct stmt_comment_ty
{
STMT
blob_ty *body;
};
static void constructor _((stmt_ty *));
static void
constructor(that)
stmt_ty *that;
{
stmt_comment_ty *this;
this = (stmt_comment_ty *)that;
this->body = 0;
}
static void destructor _((stmt_ty *));
static void
destructor(that)
stmt_ty *that;
{
stmt_comment_ty *this;
this = (stmt_comment_ty *)that;
if (this->body)
blob_free(this->body);
}
static void emit _((stmt_ty *));
static void
emit(that)
stmt_ty *that;
{
stmt_comment_ty *this;
blob_ty *bp;
long min;
long max;
long j;
string_list_ty wl;
this = (stmt_comment_ty *)that;
bp = this->body;
if (!bp->text->str_length)
return;
str2wl(&wl, bp->text, "\n", 0);
for (min = 0; min < wl.nstrings; ++min)
if (wl.string[min]->str_length)
break;
for (max = wl.nstrings - 1; max >= 0; --max)
if (wl.string[max]->str_length)
break;
if (min > max)
return;
emit_line_number
(
bp->line_number - (min == 0),
bp->file_name
);
emit_str("/*\n");
for (j = min; j <= max; ++j)
{
static string_ty *t1;
static string_ty *t2;
string_ty *tmp;
if (!t1)
{
t1 = str_from_c("*/");
t2 = str_from_c("* /");
}
tmp = str_substitute(t1, t2, wl.string[j]);
emit_str(" *");
if (tmp->str_length)
{
emit_char(' ');
emit_str(tmp->str_text);
}
emit_char('\n');
str_free(tmp);
}
string_list_destructor(&wl);
emit_str(" */\n");
}
static stmt_method_ty method =
{
sizeof(stmt_comment_ty),
"comment",
constructor,
destructor,
emit,
0, /* regroup */
0, /* sort */
};
stmt_ty *
stmt_comment_alloc(bp)
blob_ty *bp;
{
stmt_ty *result;
stmt_comment_ty *this;
result = stmt_alloc(&method);
result->white_space = 1;
this = (stmt_comment_ty *)result;
this->body = bp;
return result;
}
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