1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/error.c Wed Nov 01 21:00:33 2023 +0100
1.3 @@ -0,0 +1,71 @@
1.4 +/*
1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
1.6 + * Copyright 2023 Mike Becker. All rights reserved.
1.7 + *
1.8 + * Redistribution and use in source and binary forms, with or without
1.9 + * modification, are permitted provided that the following conditions are met:
1.10 + *
1.11 + * 1. Redistributions of source code must retain the above copyright
1.12 + * notice, this list of conditions and the following disclaimer.
1.13 + *
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.19 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.20 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
1.22 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.23 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.24 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.25 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.26 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.27 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 + * POSSIBILITY OF SUCH DAMAGE.
1.29 + */
1.30 +
1.31 +#include "ascension/context.h"
1.32 +#include "ascension/error.h"
1.33 +#include "ascension/utils.h"
1.34 +
1.35 +#include <cx/buffer.h>
1.36 +
1.37 +void asc_error_cchar(char const* text) {
1.38 + asc_error_cxstr(cx_str(text));
1.39 +}
1.40 +
1.41 +void asc_error_cuchar(unsigned char const* text) {
1.42 + asc_error_cxstr(cx_str((char const*)text));
1.43 +}
1.44 +
1.45 +void asc_error_cxstr(cxstring text) {
1.46 + if (text.length == 0) return;
1.47 +
1.48 + // write error to debug output
1.49 + asc_dprintf("ERROR: %*.s", (int)text.length, text.ptr);
1.50 +
1.51 + // write error to buffer
1.52 + CxBuffer* buf = &asc_context.error_buffer;
1.53 + cxBufferWrite(text.ptr, 1, text.length, buf);
1.54 + cxBufferPut(buf, '\n');
1.55 +
1.56 + asc_set_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
1.57 +}
1.58 +
1.59 +bool asc_has_error(void) {
1.60 + return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);
1.61 +}
1.62 +
1.63 +char const* asc_get_error(void) {
1.64 + // we zero-terminate the current buffer contents before providing them
1.65 + cxBufferPut(&asc_context.error_buffer, 0);
1.66 + --asc_context.error_buffer.pos;
1.67 + --asc_context.error_buffer.size;
1.68 + return asc_context.error_buffer.space;
1.69 +}
1.70 +
1.71 +void asc_clear_error(void) {
1.72 + cxBufferClear(&asc_context.error_buffer);
1.73 + asc_clear_flag(&asc_context.flags, ASC_FLAG_HAS_ERROR);
1.74 +}
