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#include "src/tint/lang/spirv/reader/reader.h"

#include <span>

#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/validator.h"
#include "src/tint/lang/spirv/reader/lower/lower.h"
#include "src/tint/lang/spirv/reader/parser/parser.h"

namespace tint::spirv::reader {

Result<core::ir::Module> ReadIR(const std::vector<uint32_t>& input, const Options& options) {
    // Parse the input SPIR-V to the SPIR-V dialect of the IR.
    TINT_CHECK_RESULT_UNWRAP(mod, Parse(input, options));
    mod.dump_ir_when_validating = options.dump_ir_when_validating;
    mod.enable_validation_asserts = options.enable_validation_asserts;

    // Lower the module to the core dialect of the IR.
    TINT_CHECK_RESULT(Lower(mod));

    // Always validate the core IR, so that we fail somewhat gracefully on invalid inputs instead of
    // just ICEing later on.
    TINT_CHECK_RESULT(core::ir::Validate(mod,
                                         core::ir::Capabilities{
                                             core::ir::Capability::kAllowMultipleEntryPoints,
                                             core::ir::Capability::kAllowOverrides,
                                         },
                                         "after spirv::ReadIR"));

    return mod;
}

}  // namespace tint::spirv::reader