# Adapted from sksl.lex, SkSLBuiltinTypes.cpp, SkSLIntrinsicList.h, and sksl module files

# positive float literals
" 0.1"
" 1.2"
" 2.3"

# negative float literals
" -3.4"
" -4.5"
" -5.6"

# exponential float literals
" 1e2"
" 2e3"
" -3e4"
" -4e5"

# positive int literals
" 0"
" 1"
" 2"

# unsigned int literals
" 3u"
" 4u"

# negative int literals
" -5"
" -6"

# hexadecimal prefix
" 0x"

# bad octal
" 08"

# unsigned bad octal
" 09u"

# keywords
" true"
" false"
" if ("
" @if ("
" else"
" for ("
" while ("
" do {"
" switch ("
" @switch ("
" case"
" default:"
" break;"
" continue;"
" discard;"
" return"
" in"
" out"
" inout"
" uniform"
" const"
" flat"
" noperspective"
" inline"
" noinline"
" sk_has_side_effects"
" struct"
" layout ("
" location="
" offset="
" binding="
" index="
" set="
" builtin"
" input_attachment_index"
" origin_upper_left"
" blend_support_all_equations"
" push_constant"
" color"
" highp"
" mediump"
" lowp"
" $es3"
" main("
" #extension"
" : disable"
" : require"
" : enable"
" : warn"

# reserved words are all treated the same, and always invalidate the whole
# program, so we only include a handful of them in the dictionary
" attribute"
" varying"
" precision"
#"invariant "
#"asm "
#"class "
#"union "
#"enum "
#"typedef "
#"template "
#"this "
#"packed "
#"goto "
#"volatile "
#"public "
#"static "
#"extern "
#"external "
#"interface "
#"long "
#"double "
#"fixed "
#"unsigned "
#"superp "
#"input "
#"output "
#"sizeof "
#"cast "
#"namespace "
#"using "
#"gl_reservedWord "

# a selection of swizzles
".x "
".xx "
".xxx "
".xxxx "
".y "
".yy "
".yyy "
".yyyy "
".x0 "
".x00 "
".x000 "
".1y "
".11y "
".111y "
".r "
".rg "
".rgb "
".rgba "
".abgr "
".ga "
".xy01 "
".1xw0 "

# array indexing
"[0]"
"[1]"
"[2]"
"[3]"
"[4]"
"[-1]"
"[12345]"
"[-12345]"

# symbol tokens
"("
")"
"{"
"}"
"["
"]"
"."
","
"++"
"--"
"+"
"-"
"*"
"/"
"%"
"<<"
">>"
"|"
"^"
"&"
"~"
"||"
"^^"
"&&"
"!"
"?"
":"
"="
"=="
"!="
">"
"<"
">="
"<="
"+="
"-="
"*="
"/="
"%="
"<<="
">>="
"|="
"^="
"&="
";"
"//"
"/*"
"*/"

# types
" void"
" float"
" float2"
" float3"
" float4"
" vec2"
" vec3"
" vec4"
" half"
" half2"
" half3"
" half4"
" int"
" int2"
" int3"
" int4"
" uint"
" uint2"
" uint3"
" uint4"
" short"
" short2"
" short3"
" short4"
" ushort"
" ushort2"
" ushort3"
" ushort4"
" bool"
" bool2"
" bool3"
" bool4"
" $floatLiteral"
" $intLiteral"
" float2x2"
" float3x2"
" float4x2"
" float2x3"
" float3x3"
" float4x3"
" float2x4"
" float3x4"
" float4x4"
" half2x2"
" half3x2"
" half4x2"
" half2x3"
" half3x3"
" half4x3"
" half2x4"
" half3x4"
" half4x4"
" mat2"
" mat3"
" mat4"
" mat2x2"
" mat3x2"
" mat4x2"
" mat2x3"
" mat3x3"
" mat4x3"
" mat2x4"
" mat3x4"
" mat4x4"
" colorFilter"
" shader"
" blender"

# types that aren't accepted in a runtime effect; skip most of them
" texture2D"
" sampler2D"
" sampler"
#" texture1D"
#" texture3D"
#" textureExternalOES"
#" texture2DRect"
#" itexture2D"
#" sampler1D"
#" sampler3D"
#" samplerExternalOES"
#" sampler2DRect"
#" isampler2D"
#" subpassInput"
#" subpassInputMS"
#" subpassInputMS"

# generic types shouldn't be accepted; skip most of them
" $genType"
" $sk_Caps"
#" $genHType"
#" $genIType"
#" $genUType"
#" $genBType"
#" $mat"
#" $hmat"
#" $squareMat"
#" $squareHMat"
#" $vec"
#" $hvec"
#" $ivec"
#" $uvec"
#" $svec"
#" $usvec"
#" $bvec"

# sksl_frag
" sk_FragCoord"
" sk_Clockwise"
" sk_FragColor"
" sk_LastFragColor"
" sk_SecondaryFragColor"

# sksl_gpu
" blend_clear("
" blend_src("
" blend_dst("
" blend_src_over("
" blend_dst_over("
" blend_src_in("
" blend_dst_in("
" blend_src_out("
" blend_dst_out("
" blend_src_atop("
" blend_dst_atop("
" blend_xor("
" blend_plus("
" blend_modulate("
" blend_screen("
" blend_overlay("
" blend_darken("
" blend_lighten("
" blend_color_dodge("
" blend_color_burn("
" blend_hard_light("
" blend_soft_light("
" blend_difference("
" blend_exclusion("
" blend_multiply("
" blend_hue("
" blend_saturation("
" blend_color("
" blend_luminosity("
" unpremul("
" proj("
" cross_length_2d("

# sksl_public
".eval("

# sksl_vert
" sk_PerVertex"
" sk_VertexID"
" sk_InstanceID"

# SkSLIntrinsicList
" abs("
" acosh("
" acos("
" all("
" any("
" asinh("
" asin("
" atanh("
" atan("
" bitCount("
" ceil("
" clamp("
" cosh("
" cos("
" cross("
" degrees("
" determinant("
" dFdx("
" dFdy("
" distance("
" dot("
" equal("
" eval("
" exp2("
" exp("
" faceforward("
" findLSB("
" findMSB("
" floatBitsToInt("
" floatBitsToUint("
" floor("
" fma("
" fract("
" frexp("
" fwidth("
" greaterThanEqual("
" greaterThan("
" intBitsToFloat("
" inversesqrt("
" inverse("
" isinf("
" isnan("
" ldexp("
" length("
" lessThanEqual("
" lessThan("
" log2("
" log("
" makeSampler2D("
" matrixCompMult("
" matrixInverse("
" max("
" min("
" mix("
" modf("
" mod("
" normalize("
" notEqual("
" not ("
" outerProduct("
" packDouble2x32("
" packHalf2x16("
" packSnorm2x16("
" packSnorm4x8("
" packUnorm2x16("
" packUnorm4x8("
" pow("
" radians("
" reflect("
" refract("
" roundEven("
" round("
" sample("
" saturate("
" sign("
" sinh("
" sin("
" smoothstep("
" sqrt("
" step("
" subpassLoad("
" tanh("
" tan("
" transpose("
" trunc("
" uintBitsToFloat("
" unpackDouble2x32("
" unpackHalf2x16("
" unpackSnorm2x16("
" unpackSnorm4x8("
" unpackUnorm2x16("
" unpackUnorm4x8("
" toLinearSrgb("
" fromLinearSrgb("