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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/reader/wgsl/token.h"
namespace tint {
namespace reader {
namespace wgsl {
// static
std::string Token::TypeToName(Type type) {
switch (type) {
case Token::Type::kError:
return "kError";
case Token::Type::kReservedKeyword:
return "kReservedKeyword";
case Token::Type::kEOF:
return "kEOF";
case Token::Type::kIdentifier:
return "kIdentifier";
case Token::Type::kStringLiteral:
return "kStringLiteral";
case Token::Type::kFloatLiteral:
return "kFloatLiteral";
case Token::Type::kSintLiteral:
return "kSintLiteral";
case Token::Type::kUintLiteral:
return "kUintLiteral";
case Token::Type::kUninitialized:
return "kUninitialized";
case Token::Type::kAnd:
return "&";
case Token::Type::kAndAnd:
return "&&";
case Token::Type::kArrow:
return "->";
case Token::Type::kAttrLeft:
return "[[";
case Token::Type::kAttrRight:
return "]]";
case Token::Type::kForwardSlash:
return "/";
case Token::Type::kBang:
return "!";
case Token::Type::kBracketLeft:
return "[";
case Token::Type::kBracketRight:
return "]";
case Token::Type::kBraceLeft:
return "{";
case Token::Type::kBraceRight:
return "}";
case Token::Type::kColon:
return ":";
case Token::Type::kComma:
return ",";
case Token::Type::kEqual:
return "=";
case Token::Type::kEqualEqual:
return "==";
case Token::Type::kGreaterThan:
return ">";
case Token::Type::kGreaterThanEqual:
return ">=";
case Token::Type::kLessThan:
return "<";
case Token::Type::kLessThanEqual:
return "<=";
case Token::Type::kMod:
return "%";
case Token::Type::kNotEqual:
return "!=";
case Token::Type::kMinus:
return "-";
case Token::Type::kNamespace:
return "::";
case Token::Type::kPeriod:
return ".";
case Token::Type::kPlus:
return "+";
case Token::Type::kOr:
return "|";
case Token::Type::kOrOr:
return "||";
case Token::Type::kParenLeft:
return "(";
case Token::Type::kParenRight:
return ")";
case Token::Type::kSemicolon:
return ";";
case Token::Type::kStar:
return "*";
case Token::Type::kXor:
return "^";
case Token::Type::kArray:
return "array";
case Token::Type::kAs:
return "as";
case Token::Type::kBinding:
return "binding";
case Token::Type::kBlock:
return "block";
case Token::Type::kBool:
return "bool";
case Token::Type::kBreak:
return "break";
case Token::Type::kBuiltin:
return "builtin";
case Token::Type::kCase:
return "case";
case Token::Type::kCast:
return "cast";
case Token::Type::kCompute:
return "compute";
case Token::Type::kConst:
return "const";
case Token::Type::kContinue:
return "continue";
case Token::Type::kContinuing:
return "continuing";
case Token::Type::kDiscard:
return "discard";
case Token::Type::kDefault:
return "default";
case Token::Type::kElse:
return "else";
case Token::Type::kElseIf:
return "elseif";
case Token::Type::kEntryPoint:
return "entry_point";
case Token::Type::kF32:
return "f32";
case Token::Type::kFallthrough:
return "fallthrough";
case Token::Type::kFalse:
return "false";
case Token::Type::kFn:
return "fn";
case Token::Type::kFor:
return "for";
case Token::Type::kFormatBgra8Unorm:
return "bgra8unorm";
case Token::Type::kFormatBgra8UnormSrgb:
return "bgra8unorm_srgb";
case Token::Type::kFormatR16Float:
return "r16float";
case Token::Type::kFormatR16Sint:
return "r16sint";
case Token::Type::kFormatR16Uint:
return "r16uint";
case Token::Type::kFormatR32Float:
return "r32float";
case Token::Type::kFormatR32Sint:
return "r32sint";
case Token::Type::kFormatR32Uint:
return "r32uint";
case Token::Type::kFormatR8Sint:
return "r8sint";
case Token::Type::kFormatR8Snorm:
return "r8snorm";
case Token::Type::kFormatR8Uint:
return "r8uint";
case Token::Type::kFormatR8Unorm:
return "r8unorm";
case Token::Type::kFormatRg11B10Float:
return "rg11b10float";
case Token::Type::kFormatRg16Float:
return "rg16float";
case Token::Type::kFormatRg16Sint:
return "rg16sint";
case Token::Type::kFormatRg16Uint:
return "rg16uint";
case Token::Type::kFormatRg32Float:
return "rg32float";
case Token::Type::kFormatRg32Sint:
return "rg32sint";
case Token::Type::kFormatRg32Uint:
return "rg32uint";
case Token::Type::kFormatRg8Sint:
return "rg8sint";
case Token::Type::kFormatRg8Snorm:
return "rg8snorm";
case Token::Type::kFormatRg8Uint:
return "rg8uint";
case Token::Type::kFormatRg8Unorm:
return "rg8unorm";
case Token::Type::kFormatRgb10A2Unorm:
return "rgb10a2unorm";
case Token::Type::kFormatRgba16Float:
return "rgba16float";
case Token::Type::kFormatRgba16Sint:
return "rgba16sint";
case Token::Type::kFormatRgba16Uint:
return "rgba16uint";
case Token::Type::kFormatRgba32Float:
return "rgba32float";
case Token::Type::kFormatRgba32Sint:
return "rgba32sint";
case Token::Type::kFormatRgba32Uint:
return "rgba32uint";
case Token::Type::kFormatRgba8Sint:
return "rgba8sint";
case Token::Type::kFormatRgba8Snorm:
return "rgba8snorm";
case Token::Type::kFormatRgba8Uint:
return "rgba8uint";
case Token::Type::kFormatRgba8Unorm:
return "rgba8unorm";
case Token::Type::kFormatRgba8UnormSrgb:
return "rgba8unorm_srgb";
case Token::Type::kFragment:
return "fragment";
case Token::Type::kFunction:
return "function";
case Token::Type::kI32:
return "i32";
case Token::Type::kIf:
return "if";
case Token::Type::kImage:
return "image";
case Token::Type::kImport:
return "import";
case Token::Type::kIn:
return "in";
case Token::Type::kLocation:
return "location";
case Token::Type::kLoop:
return "loop";
case Token::Type::kMat2x2:
return "mat2x2";
case Token::Type::kMat2x3:
return "mat2x3";
case Token::Type::kMat2x4:
return "mat2x4";
case Token::Type::kMat3x2:
return "mat3x2";
case Token::Type::kMat3x3:
return "mat3x3";
case Token::Type::kMat3x4:
return "mat3x4";
case Token::Type::kMat4x2:
return "mat4x2";
case Token::Type::kMat4x3:
return "mat4x3";
case Token::Type::kMat4x4:
return "mat4x4";
case Token::Type::kOffset:
return "offset";
case Token::Type::kOut:
return "out";
case Token::Type::kPrivate:
return "private";
case Token::Type::kPtr:
return "ptr";
case Token::Type::kReturn:
return "return";
case Token::Type::kSampler:
return "sampler";
case Token::Type::kComparisonSampler:
return "sampler_comparison";
case Token::Type::kSet:
return "set";
case Token::Type::kStorageBuffer:
return "storage_buffer";
case Token::Type::kStride:
return "stride";
case Token::Type::kStage:
return "stage";
case Token::Type::kStruct:
return "struct";
case Token::Type::kSwitch:
return "switch";
case Token::Type::kTextureDepth2d:
return "texture_depth_2d";
case Token::Type::kTextureDepth2dArray:
return "texture_depth_2d_array";
case Token::Type::kTextureDepthCube:
return "texture_depth_cube";
case Token::Type::kTextureDepthCubeArray:
return "texture_depth_cube_array";
case Token::Type::kTextureMultisampled2d:
return "texture_multisampled_2d";
case Token::Type::kTextureStorageReadonly1d:
return "texture_ro_1d";
case Token::Type::kTextureStorageReadonly1dArray:
return "texture_ro_1d_array";
case Token::Type::kTextureStorageReadonly2d:
return "texture_ro_2d";
case Token::Type::kTextureStorageReadonly2dArray:
return "texture_ro_2d_array";
case Token::Type::kTextureStorageReadonly3d:
return "texture_ro_3d";
case Token::Type::kTextureSampled1d:
return "texture_sampled_1d";
case Token::Type::kTextureSampled1dArray:
return "texture_sampled_1d_array";
case Token::Type::kTextureSampled2d:
return "texture_sampled_2d";
case Token::Type::kTextureSampled2dArray:
return "texture_sampled_2d_array";
case Token::Type::kTextureSampled3d:
return "texture_sampled_3d";
case Token::Type::kTextureSampledCube:
return "texture_sampled_cube";
case Token::Type::kTextureSampledCubeArray:
return "texture_sampled_cube_array";
case Token::Type::kTextureStorageWriteonly1d:
return "texture_wo_1d";
case Token::Type::kTextureStorageWriteonly1dArray:
return "texture_wo_1d_array";
case Token::Type::kTextureStorageWriteonly2d:
return "texture_wo_2d";
case Token::Type::kTextureStorageWriteonly2dArray:
return "texture_wo_2d_array";
case Token::Type::kTextureStorageWriteonly3d:
return "texture_wo_3d";
case Token::Type::kTrue:
return "true";
case Token::Type::kType:
return "type";
case Token::Type::kU32:
return "u32";
case Token::Type::kUniform:
return "uniform";
case Token::Type::kUniformConstant:
return "uniform_constant";
case Token::Type::kVar:
return "var";
case Token::Type::kVec2:
return "vec2";
case Token::Type::kVec3:
return "vec3";
case Token::Type::kVec4:
return "vec4";
case Token::Type::kVertex:
return "vertex";
case Token::Type::kVoid:
return "void";
case Token::Type::kWorkgroup:
return "workgroup";
case Token::Type::kWorkgroupSize:
return "workgroup_size";
}
return "<unknown>";
}
Token::Token() : type_(Type::kUninitialized) {}
Token::Token(Type type, const Source& source, const std::string& val)
: type_(type), source_(source), val_str_(val) {}
Token::Token(const Source& source, uint32_t val)
: type_(Type::kUintLiteral), source_(source), val_uint_(val) {}
Token::Token(const Source& source, int32_t val)
: type_(Type::kSintLiteral), source_(source), val_int_(val) {}
Token::Token(const Source& source, float val)
: type_(Type::kFloatLiteral), source_(source), val_float_(val) {}
Token::Token(Type type, const Source& source) : Token(type, source, "") {}
Token::Token(Token&&) = default;
Token::Token(const Token&) = default;
Token::~Token() = default;
Token& Token::operator=(const Token&) = default;
std::string Token::to_str() const {
if (type_ == Type::kFloatLiteral) {
return std::to_string(val_float_);
}
if (type_ == Type::kSintLiteral) {
return std::to_string(val_int_);
}
if (type_ == Type::kUintLiteral) {
return std::to_string(val_uint_);
}
return val_str_;
}
float Token::to_f32() const {
return val_float_;
}
uint32_t Token::to_u32() const {
return val_uint_;
}
int32_t Token::to_i32() const {
return val_int_;
}
} // namespace wgsl
} // namespace reader
} // namespace tint