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/*
* Copyright (c) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ConstantValue.h"
#include <wtf/PrintStream.h>
#include <wtf/text/WTFString.h>
namespace WGSL {
ConstantValue ConstantArray::operator[](unsigned index)
{
return elements[index];
}
ConstantValue ConstantVector::operator[](unsigned index)
{
return elements[index];
}
ConstantVector ConstantMatrix::operator[](unsigned index)
{
ConstantVector result(rows);
for (unsigned i = 0; i < rows; ++i)
result.elements[i] = elements[index * rows + i];
return result;
}
void ConstantValue::dump(PrintStream& out) const
{
WTF::switchOn(*this,
[&](double d) {
out.print(String::number(d));
},
[&](float f) {
out.print(String::number(f));
if (std::isfinite(f))
out.print("f");
},
[&](half h) {
out.print(String::number(h));
if (std::isfinite(static_cast<double>(h)))
out.print("h");
},
[&](int64_t i) {
out.print(String::number(i));
},
[&](int32_t i) {
out.print(String::number(i), "i");
},
[&](uint32_t u) {
out.print(String::number(u), "u");
},
[&](bool b) {
out.print(b ? "true" : "false");
},
[&](const ConstantArray& a) {
out.print("array(");
bool first = true;
for (const auto& element : a.elements) {
if (!first)
out.print(", ");
first = false;
out.print(element);
}
out.print(")");
},
[&](const ConstantVector& v) {
out.print("vec", v.elements.size(), "(");
bool first = true;
for (const auto& element : v.elements) {
if (!first)
out.print(", ");
first = false;
out.print(element);
}
out.print(")");
},
[&](const ConstantMatrix& m) {
out.print("mat", m.columns, "x", m.rows, "(");
bool first = true;
for (const auto& element : m.elements) {
if (!first)
out.print(", ");
first = false;
out.print(element);
}
out.print(")");
},
[&](const ConstantStruct& s) {
out.print("struct { ");
bool first = true;
for (const auto& entry : s.fields) {
if (!first)
out.print(", ");
first = false;
out.print(entry.key, ": ", entry.value);
}
out.print(" }");
});
}
} // namespace WGSL
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