feat: improve tree-sitter syntax highlighting with named nodes
- Add aliases for keywords (VAR_INPUT, BEGIN, IF, etc.) as named nodes - Add aliases for built-in types (INT, BOOL, STRING, etc.) as type_builtin - Add aliases for constants (TRUE, FALSE) - Add aliases for operators (AND, OR, NOT, MOD) - Add prefix node for # variable prefix highlighting - Highlight FB instance names in calls - Highlight FB parameter names as properties - Update README with detailed syntax highlighting features - Update .gitignore for *.wasm files
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+56
-191
@@ -1,211 +1,76 @@
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; Comprehensive SCL highlight queries for Neovim
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; SCL highlights
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; ============================================
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; Comments
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; ============================================
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(line_comment) @comment
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(block_comment) @comment
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(c_style_comment) @comment
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; ============================================
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; Literals
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; ============================================
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(number) @number
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(hex_number) @number
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(string) @string
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(time_value) @number
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; ============================================
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; Constants
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; ============================================
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(
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(identifier) @constant.builtin
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(#match? @constant.builtin "^(TRUE|FALSE|TRUE#|FALSE#)$")
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)
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(
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(type) @type.builtin
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(#match? @type.builtin "^(TRUE|FALSE)$")
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)
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(prefix) @punctuation.special
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; ============================================
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; Identifiers
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; ============================================
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(identifier) @variable
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(prefixed_identifier) @variable
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; ============================================
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; Types - Basic
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; ============================================
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(
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(type) @type.builtin
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(#match? @type.builtin "^(BOOL|Bool|INT|Int|DINT|DInt|SINT|SInt|USINT|USInt|UINT|UInt|WORD|Word|DWORD|DWord|BYTE|Byte|REAL|Real|LREAL|LReal|TIME|Time|TOD|Tod|DT|Dt|String|STRING|CHAR|Char|WSTRING|WString)$")
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)
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; FB instance calls - highlight instance name as type
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(fb_call
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instance: (prefixed_identifier
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(identifier) @type))
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(fb_call
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instance: (identifier) @type)
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; Types - User defined (quoted strings like "UDT_Type")
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(type
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(string) @type
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)
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; ============================================
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; Keywords - Block definitions
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; ============================================
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"ORGANIZATION_BLOCK" @keyword
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"FUNCTION_BLOCK" @keyword
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"FUNCTION" @keyword
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"END_ORGANIZATION_BLOCK" @keyword
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"END_FUNCTION_BLOCK" @keyword
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"END_FUNCTION" @keyword
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"BEGIN" @keyword
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; ============================================
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; Keywords - Variable sections
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; ============================================
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"VAR_INPUT" @keyword
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"VAR_OUTPUT" @keyword
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"VAR_IN_OUT" @keyword
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"VAR" @keyword
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"VAR_TEMP" @keyword
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"VAR_CONSTANT" @keyword
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"END_VAR" @keyword
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"CONSTANT" @keyword
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"RETAIN" @keyword
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"NON_RETAIN" @keyword
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; ============================================
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; Keywords - Control flow
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; ============================================
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"IF" @conditional
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"THEN" @conditional
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"ELSIF" @conditional
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"ELSE" @conditional
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"END_IF" @conditional
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"CASE" @conditional
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"OF" @conditional
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"END_CASE" @conditional
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; ============================================
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; Keywords - Loops
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; ============================================
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"FOR" @repeat
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"TO" @repeat
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"BY" @repeat
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"DO" @repeat
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"END_FOR" @repeat
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"WHILE" @repeat
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"END_WHILE" @repeat
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"REPEAT" @repeat
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"UNTIL" @repeat
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"END_REPEAT" @repeat
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"EXIT" @keyword
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"CONTINUE" @keyword
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; ============================================
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; Keywords - Regions
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; ============================================
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"REGION" @namespace
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"END_REGION" @namespace
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; ============================================
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; Keywords - Other
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; ============================================
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"TITLE" @keyword
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"VERSION" @keyword
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"ARRAY" @keyword
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"OF" @keyword
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; ============================================
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; Fields
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; ============================================
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(block
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name: (string) @namespace)
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(block
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name: (identifier) @namespace)
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(var_item
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; FB parameter names (IN :=, PT :=, etc.)
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(fb_parameter
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name: (identifier) @property)
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; Function call names
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(function_call
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(identifier) @function)
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; Variable declarations
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(var_item
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type: (type) @type)
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name: (identifier) @variable)
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; ============================================
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; Functions and function calls
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; ============================================
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(function_call
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(identifier) @function.call)
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; Type references in declarations
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(type
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(identifier) @type)
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(function_call
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(string) @function.call)
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(type_builtin) @type.builtin
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(parameter
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(identifier) @parameter)
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(keyword) @keyword
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(constant) @constant.builtin
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(operator) @operator
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; ============================================
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; Array access
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; ============================================
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(array_access
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"[" @punctuation.bracket
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"]" @punctuation.bracket)
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(assignment) @operator
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(binary_expression) @operator
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(unary_expression) @operator
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; ============================================
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; Field access
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; ============================================
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(field_access
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"." @punctuation.delimiter)
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; ============================================
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; Attribute lists
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; ============================================
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(attribute_list
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"{" @punctuation.bracket
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"}" @punctuation.bracket)
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(attribute_list
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"," @punctuation.delimiter)
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(attribute_list
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";" @punctuation.delimiter)
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(attribute
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"."
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(identifier) @property)
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; ============================================
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; Operators - Logical
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; ============================================
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"AND" @operator
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"OR" @operator
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"XOR" @operator
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"NOT" @operator
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(array_access) @property
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; ============================================
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; Operators - Comparison
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; ============================================
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"=" @operator
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"<>" @operator
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"<" @operator
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">" @operator
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"<=" @operator
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">=" @operator
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(attribute_list) @attribute
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(attribute) @attribute
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(attribute_value) @string
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; ============================================
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; Operators - Arithmetic
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; ============================================
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"+" @operator
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"-" @operator
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"*" @operator
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"/" @operator
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"MOD" @operator
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"**" @operator
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(var_item) @property
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; ============================================
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; Operators - Assignment
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; ============================================
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":=" @operator
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"=>" @operator
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(function_call) @function.call
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(fb_call) @function.call
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(if_statement) @conditional
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(elsif_clause) @conditional
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(else_clause) @conditional
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(case_statement) @conditional
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(case_item) @conditional
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(for_statement) @repeat
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(while_statement) @repeat
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(repeat_statement) @repeat
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; ============================================
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; Punctuation
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; ============================================
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";" @punctuation.delimiter
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":" @punctuation.delimiter
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"," @punctuation.delimiter
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@@ -214,17 +79,17 @@
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"[" @punctuation.bracket
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"]" @punctuation.bracket
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"." @punctuation.delimiter
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".." @punctuation.delimiter
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"#" @punctuation.special
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; ============================================
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; Binary and unary expressions
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; ============================================
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(binary_expression) @operator
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(unary_expression) @operator
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":=" @operator
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"=>" @operator
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"=" @operator
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"<>" @operator
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"<" @operator
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">" @operator
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"<=" @operator
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">=" @operator
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; ============================================
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; Range expressions
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; ============================================
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(range
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".." @punctuation.delimiter)
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"+" @operator
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"-" @operator
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"*" @operator
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"/" @operator
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