{{- /*
--------------------------------------------------------------------------------
Template file for use with tools/src/cmd/gen to generate function.h

To update the generated file, run:
    ./tools/run gen

See:
* tools/src/cmd/gen for structures used by this template
* https://golang.org/pkg/text/template/ for documentation on the template syntax
--------------------------------------------------------------------------------
*/ -}}

#ifndef SRC_TINT_BUILTIN_FUNCTION_H_
#define SRC_TINT_BUILTIN_FUNCTION_H_

#include <string>

#include "src/tint/utils/string_stream.h"

// \cond DO_NOT_DOCUMENT
namespace tint::builtin {

/// Enumerator of all builtin functions
enum class Function {
    kNone = -1,
{{- range Sem.Builtins }}
    k{{PascalCase .Name}},
{{- end }}
};

/// Matches the Function by name
/// @param name the builtin name to parse
/// @returns the parsed Function, or Function::kNone if `name` did not
/// match any builtin function.
Function ParseFunction(const std::string& name);

/// @returns the name of the builtin function type. The spelling, including
/// case, matches the name in the WGSL spec.
const char* str(Function i);

/// Emits the name of the builtin function type. The spelling, including case,
/// matches the name in the WGSL spec.
utils::StringStream& operator<<(utils::StringStream& out, Function i);

/// All builtin functions
constexpr Function kFunctions[] = {
{{- range Sem.Builtins }}
    Function::k{{PascalCase .Name}},
{{- end }}
};

/// All builtin function names
constexpr const char* kFunctionStrings[] = {
{{- range Sem.Builtins }}
    "{{.Name}}",
{{- end }}
};

}  // namespace tint::builtin
// \endcond

#endif  // SRC_TINT_BUILTIN_FUNCTION_H_