BLT/tests/src/template_test.cpp

89 lines
2.6 KiB
C++

/*
* <Short Description>
* Copyright (C) 2024 Brett Terpstra
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include <templating_test.h>
#include <string>
#include <blt/std/logging.h>
#include <blt/parse/templating.h>
const std::string shader_test_string = R"("
#version 300 es
precision mediump float;
${LAYOUT_STRING} out vec4 FragColor;
in vec2 uv;
in vec2 pos;
uniform sampler2D tex;
vec4 linear_iter(vec4 i, vec4 p, float factor){
return (i + p) * factor;
}
void main() {
FragColor = texture(tex, uv);
}
")";
void process_string(const std::string& str)
{
BLT_DEBUG(str);
auto results = blt::template_engine_t::process_string(str);
if (results)
{
auto val = results.value();
for (auto& v : val)
{
BLT_TRACE_STREAM << (blt::template_token_to_string(v.type));
}
BLT_TRACE_STREAM << "\n";
for (auto& v : val)
{
BLT_TRACE("{%s: %s}", blt::template_token_to_string(v.type).c_str(), std::string(v.token).c_str());
}
} else
{
auto error = results.error();
switch (error)
{
case blt::template_tokenizer_failure_t::MISMATCHED_CURLY:
BLT_ERROR("Tokenizer Failure: Mismatched curly");
break;
case blt::template_tokenizer_failure_t::MISMATCHED_PAREN:
BLT_ERROR("Tokenizer Failure: Mismatched parenthesis");
break;
case blt::template_tokenizer_failure_t::MISMATCHED_QUOTE:
BLT_ERROR("Tokenizer Failure: Mismatched Quotes");
break;
}
}
BLT_DEBUG("--------------------------");
}
namespace blt::test
{
void template_test()
{
process_string(shader_test_string);
process_string("~hello");
process_string("hello");
process_string("hello ${WORLD}");
process_string("layout (location = ${IF(LAYOUT_LOCATION) LAYOUT_LOCATION ELSE ~DISCARD})");
}
}