ascension: src/error.c@9c44c55d327a

consistently refer to windows by ID - fixes #381

This change discovered that the font cache is completely broken. We created issue #387 for this.

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  * Copyright 2023 Mike Becker. All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions are met:

     7  *

     8  *   1. Redistributions of source code must retain the above copyright

     9  *      notice, this list of conditions and the following disclaimer.

    10  *

    11  *   2. Redistributions in binary form must reproduce the above copyright

    12  *      notice, this list of conditions and the following disclaimer in the

    13  *      documentation and/or other materials provided with the distribution.

    14  *

    15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    25  * POSSIBILITY OF SUCH DAMAGE.

    26  */

    28 #include "ascension/context.h"

    29 #include "ascension/error.h"

    30 #include "ascension/utils.h"

    32 #include <cx/buffer.h>

    33 #include <GL/gl.h>

    35 void asc_error_cchar(char const* text) {

    36     asc_error_cxstr(cx_str(text));

    37 }

    39 void asc_error_cuchar(unsigned char const* text) {

    40     asc_error_cxstr(cx_str((char const*)text));

    41 }

    43 void asc_error_cxstr(cxstring text) {

    44     if (text.length == 0) return;

    46     // write error to debug output

    47     asc_dprintf("ERROR: %.*s", (int)text.length, text.ptr);

    49     // write error to buffer

    50     CxBuffer* buf = &asc_context.error_buffer;

    51     cxBufferWrite(text.ptr, 1, text.length, buf);

    52     cxBufferPut(buf, '\n');

    54     asc_set_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);

    55 }

    57 bool asc_has_error(void) {

    58     return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);

    59 }

    61 char const* asc_get_error(void) {

    62     // we zero-terminate the current buffer contents before providing them

    63     cxBufferPut(&asc_context.error_buffer, 0);

    64     --asc_context.error_buffer.pos;

    65     --asc_context.error_buffer.size;

    66     return asc_context.error_buffer.space;

    67 }

    69 void asc_clear_error(void) {

    70     cxBufferClear(&asc_context.error_buffer);

    71     asc_clear_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);

    72 }

    74 void asc_error_gl(unsigned code, cxstring message) {

    75     const char *glerr;

    76     switch(code) {

    77         case GL_NO_ERROR:

    78             return;

    79         case GL_INVALID_ENUM:

    80             glerr = "invalid enum";

    81             break;

    82         case GL_INVALID_VALUE:

    83             glerr = "invalid value";

    84             break;

    85         case GL_INVALID_OPERATION:

    86             glerr = "invalid operation";

    87             break;

    88         case GL_INVALID_FRAMEBUFFER_OPERATION:

    89             glerr = "invalid framebuffer operation";

    90             break;

    91         case GL_OUT_OF_MEMORY:

    92             glerr = "out of memory";

    93             break;

    94         case GL_STACK_UNDERFLOW:

    95             glerr = "stack underflow";

    96             break;

    97         case GL_STACK_OVERFLOW:

    98             glerr = "stack overflow";

    99             break;

   100         default:

   101             glerr = "unknown GL error";

   102     }

   103     cxmutstr msg = cx_strcat(3, message, CX_STR(" GL Error: "), cx_str(glerr));

   104     asc_error_cxstr(cx_strcast(msg));

   105     cx_strfree(&msg);

   106 }

Mercurial > hg > ascension / file revision