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// Copyright 2020 The Dawn & Tint Authors
//
// 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.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER 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,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/wgsl/reader/reader.h"
#include <utility>
#include "src/tint/lang/wgsl/reader/lower/lower.h"
#include "src/tint/lang/wgsl/reader/parser/parser.h"
#include "src/tint/lang/wgsl/reader/program_to_ir/program_to_ir.h"
#include "src/tint/lang/wgsl/resolver/resolve.h"
namespace tint::wgsl::reader {
Program Parse(const Source::File* file, const Options& options) {
Parser parser(file);
parser.Parse();
return resolver::Resolve(parser.builder(), options.allowed_features);
}
Result<core::ir::Module> WgslToIR(const Source::File* file, const Options& options) {
Program program = Parse(file, options);
auto module = ProgramToIR(program);
if (!module) {
return module.Failure();
}
// WGSL-dialect -> core-dialect
if (auto res = Lower(module.Get()); !res) {
return res.Failure();
}
return module;
}
tint::Result<core::ir::Module> ProgramToLoweredIR(const Program& program) {
auto ir = tint::wgsl::reader::ProgramToIR(program);
if (!ir) {
return ir.Failure();
}
// Lower from WGSL-dialect to core-dialect
auto res = tint::wgsl::reader::Lower(ir.Get());
if (!res) {
return res.Failure();
}
return ir;
}
} // namespace tint::wgsl::reader