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%YAML 1.2
---
# http://www.sublimetext.com/docs/syntax.html
name: WGSL
file_extensions: [wgsl]
scope: source.wgsl
contexts:
main:
- include: line_comments
- include: block_comments
- include: constants
- include: keywords
- include: attributes
- include: functions
- include: function_calls
- include: types
- include: variables
- include: punctuation
attributes:
# attribute declaration
- match: '(@)([A-Za-z_]+)'
scope: meta.attribute.wgsl
captures:
1: keyword.operator.attribute.at
2: entity.name.attribute.wgsl
block_comments:
# empty block comments
- match: /\*\*/
scope: comment.block.wgsl
# block documentation comments
- match: /\*\*
push:
- meta_scope: comment.block.documentation.wgsl
- match: \*/
pop: true
- include: block_comments
# block comments
- match: /\*(?!\*)
push:
- meta_scope: comment.block.wgsl
- match: \*/
pop: true
- include: block_comments
constants:
# boolean constant
- match: \b(true|false)\b
scope: constant.language.boolean.wgsl
# decimal float literal
- match: '(\b(0|[1-9][0-9]*)[fh]\b|([0-9]*\.[0-9]+|[0-9]+\.[0-9]*)([eE][+-]?[0-9]+)?[fh]?|[0-9]+[eE][+-]?[0-9]+[fh]?)'
scope: constant.numeric.float.wgsl
# decimal int literal
- match: '\b(0|[1-9][0-9]*)[iu]?\b'
scope: constant.numeric.decimal.wgsl
# hexadecimal int literal
- match: '\b0[xX][0-9a-fA-F]+[iu]?\b'
scope: constant.numeric.decimal.wgsl
function_calls:
# function/method calls
- match: '([A-Za-z0-9_]+)(\()'
captures:
1: entity.name.function.wgsl
2: punctuation.brackets.round.wgsl
push:
- meta_scope: meta.function.call.wgsl
- match: \)
captures:
0: punctuation.brackets.round.wgsl
pop: true
- include: line_comments
- include: block_comments
- include: constants
- include: keywords
- include: attributes
- include: function_calls
- include: types
- include: variables
- include: punctuation
functions:
# function definition
- match: '\b(fn)\s+([A-Za-z0-9_]+)((\()|(<))'
captures:
1: keyword.other.fn.wgsl
2: entity.name.function.wgsl
4: punctuation.brackets.round.wgsl
push:
- meta_scope: meta.function.definition.wgsl
- match: '\{'
captures:
0: punctuation.brackets.curly.wgsl
pop: true
- include: line_comments
- include: block_comments
- include: constants
- include: keywords
- include: attributes
- include: function_calls
- include: types
- include: variables
- include: punctuation
keywords:
# other keywords
- match: \b(bitcast|block|break|case|continue|continuing|default|discard|else|elseif|enable|fallthrough|for|function|if|loop|override|private|read|read_write|return|storage|switch|uniform|while|workgroup|write)\b
scope: keyword.control.wgsl
# reserved keywords
- match: \b(asm|const|do|enum|handle|mat|premerge|regardless|typedef|unless|using|vec|void)\b
scope: keyword.control.wgsl
# storage keywords
- match: \b(let|var)\b
scope: keyword.other.wgsl storage.type.wgsl
# type keyword
- match: \b(type)\b
scope: keyword.declaration.type.wgsl storage.type.wgsl
# enum keyword
- match: \b(enum)\b
scope: keyword.declaration.enum.wgsl storage.type.wgsl
# struct keyword
- match: \b(struct)\b
scope: keyword.declaration.struct.wgsl storage.type.wgsl
# fn
- match: \bfn\b
scope: keyword.other.fn.wgsl
# logical operators
- match: (\^|\||\|\||&&|<<|>>|!)(?!=)
scope: keyword.operator.logical.wgsl
# logical AND, borrow references
- match: '&(?![&=])'
scope: keyword.operator.borrow.and.wgsl
# assignment operators
- match: (\+=|-=|\*=|/=|%=|\^=|&=|\|=|<<=|>>=)
scope: keyword.operator.assignment.wgsl
# single equal
- match: '(?<![<>])=(?!=|>)'
scope: keyword.operator.assignment.equal.wgsl
# comparison operators
- match: (=(=)?(?!>)|!=|<=|(?<!=)>=)
scope: keyword.operator.comparison.wgsl
# math operators
- match: '(([+%]|(\*(?!\w)))(?!=))|(-(?!>))|(/(?!/))'
scope: keyword.operator.math.wgsl
# dot access
- match: \.(?!\.)
scope: keyword.operator.access.dot.wgsl
# dashrocket, skinny arrow
- match: '->'
scope: keyword.operator.arrow.skinny.wgsl
line_comments:
# single line comment
- match: \s*//.*
scope: comment.line.double-slash.wgsl
punctuation:
# comma
- match: ','
scope: punctuation.comma.wgsl
# curly braces
- match: '[{}]'
scope: punctuation.brackets.curly.wgsl
# parentheses, round brackets
- match: '[()]'
scope: punctuation.brackets.round.wgsl
# semicolon
- match: ;
scope: punctuation.semi.wgsl
# square brackets
- match: '[\[\]]'
scope: punctuation.brackets.square.wgsl
# angle brackets
- match: '(?<![=-])[<>]'
scope: punctuation.brackets.angle.wgsl
types:
# scalar types
- match: \b(bool|i32|u32|f16|f32)\b
scope: storage.type.wgsl
# reserved scalar types
- match: \b(i64|u64|f64)\b
scope: storage.type.wgsl
# vector type aliasses
- match: \b(vec2i|vec3i|vec4i|vec2u|vec3u|vec4u|vec2f|vec3f|vec4f|vec2h|vec3h|vec4h)\b
scope: storage.type.wgsl
# matrix type aliasses
- match: \b(mat2x2f|mat2x3f|mat2x4f|mat3x2f|mat3x3f|mat3x4f|mat4x2f|mat4x3f|mat4x4f|mat2x2h|mat2x3h|mat2x4h|mat3x2h|mat3x3h|mat3x4h|mat4x2h|mat4x3h|mat4x4h)\b
scope: storage.type.wgsl
# vector/matrix types
- match: '\b(vec[2-4]|mat[2-4]x[2-4])\b'
scope: storage.type.wgsl
# atomic types
- match: \b(atomic)\b
scope: storage.type.wgsl
# array types
- match: \b(array)\b
scope: storage.type.wgsl
# sampled texture types
- match: \b(texture_1d|texture_2d|texture_2d_array|texture_3d|texture_cube|texture_cube_array)\b
scope: storage.type.wgsl
# multisampled texture types
- match: \b(texture_multisampled_2d|texture_depth_multisampled_2d)\b
scope: storage.type.wgsl
# external sampled texture types
- match: \b(texture_external)\b
scope: storage.type.wgsl
# storage texture types
- match: \b(texture_storage_1d|texture_storage_2d|texture_storage_2d_array|texture_storage_3d)\b
scope: storage.type.wgsl
# depth texture types
- match: \b(texture_depth_2d|texture_depth_2d_array|texture_depth_cube|texture_depth_cube_array)\b
scope: storage.type.wgsl
# sampler type
- match: \b(sampler|sampler_comparison)\b
scope: storage.type.wgsl
# custom type
- match: '\b([A-Z][A-Za-z0-9]*)\b'
scope: entity.name.type.wgsl
variables:
# variables
- match: '\b(?<!(?<!\.)\.)(?:r#(?!(crate|[Ss]elf|super)))?[a-z0-9_]+\b'
scope: variable.other.wgsl
|
