{
  "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
  "name": "EFTL",
  "scopeName": "source.eftl",
  "patterns": [
    { "include": "#comments" },
    { "include": "#eftl-block" },
    { "include": "#expressions" },
    { "include": "#tags" },
    { "include": "#control-structures" },
    { "include": "#variables" },
    { "include": "#functions" },
    { "include": "#strings" }
  ],
  "repository": {
    "comments": {
      "patterns": [
        {
          "name": "comment.block.eftl",
          "begin": "\\[!--",
          "end": "--\\]",
          "captures": {
            "0": { "name": "punctuation.definition.comment.eftl" }
          }
        }
      ]
    },
    "eftl-block": {
      "patterns": [
        {
          "name": "meta.block.eftl",
          "begin": "(\\[EFTL\\])",
          "end": "(\\[/EFTL\\])",
          "beginCaptures": {
            "1": { "name": "keyword.control.eftl.begin" }
          },
          "endCaptures": {
            "1": { "name": "keyword.control.eftl.end" }
          },
          "patterns": [
            { "include": "#comments" },
            { "include": "#expressions" },
            { "include": "#tags" },
            { "include": "#control-structures" },
            { "include": "#variables" },
            { "include": "#functions" },
            { "include": "#header" },
            { "include": "#strings" }
          ]
        }
      ]
    },
    "expressions": {
      "patterns": [
        {
          "name": "meta.expression.output.eftl",
          "begin": "\\[%=",
          "end": "%\\]",
          "beginCaptures": {
            "0": { "name": "punctuation.section.expression.begin.eftl" }
          },
          "endCaptures": {
            "0": { "name": "punctuation.section.expression.end.eftl" }
          },
          "patterns": [
            { "include": "#expression-content" }
          ]
        },
        {
          "name": "meta.expression.eftl",
          "begin": "\\[%",
          "end": "%\\]",
          "beginCaptures": {
            "0": { "name": "punctuation.section.expression.begin.eftl" }
          },
          "endCaptures": {
            "0": { "name": "punctuation.section.expression.end.eftl" }
          },
          "patterns": [
            { "include": "#expression-content" }
          ]
        }
      ]
    },
    "expression-content": {
      "patterns": [
        {
          "name": "constant.numeric.eftl",
          "match": "\\b[0-9]+\\.?[0-9]*\\b"
        },
        {
          "name": "keyword.operator.assignment.eftl",
          "match": "="
        },
        {
          "name": "keyword.operator.arithmetic.eftl",
          "match": "([+\\-*%]|/(?!\\]))"
        },
        {
          "name": "keyword.operator.comparison.eftl",
          "match": "(!=|==|<=|>=|<|>)"
        },
        {
          "name": "keyword.operator.logical.eftl",
          "match": "(&&|\\|\\|)"
        },
        {
          "name": "constant.language.boolean.eftl",
          "match": "\\b(true|false)\\b"
        },
        {
          "name": "variable.other.eftl",
          "match": "\\b[a-zA-Z_][a-zA-Z0-9_]*\\b"
        },
        {
          "name": "string.quoted.double.eftl",
          "begin": "\"",
          "end": "\"",
          "patterns": [
            {
              "name": "constant.character.escape.eftl",
              "match": "\\\\."
            }
          ]
        },
        {
          "name": "punctuation.terminator.statement.eftl",
          "match": ";"
        }
      ]
    },
    "attributes": {
      "patterns": [
        {
          "comment": "name attribute",
          "match": "\\b(name)\\b\\s*(=)\\s*(\"(.*?)\")",
          "captures": {
            "1": { "name": "entity.other.attribute-name.eftl" },
            "2": { "name": "punctuation.separator.key-value.eftl" },
            "3": { "name": "string.quoted.double.eftl" },
            "4": { "name": "variable.other.eftl" }
          }
        },
        {
          "comment": "type attribute",
          "match": "\\b(type)\\b\\s*(=)\\s*(\"(string|boolean|number|date|object|iterable)\")",
          "captures": {
            "1": { "name": "entity.other.attribute-name.eftl" },
            "2": { "name": "punctuation.separator.key-value.eftl" },
            "3": { "name": "string.quoted.double.eftl" },
            "4": { "name": "support.type.primitive.eftl" }
          }
        },
        {
          "comment": "generic attribute",
          "match": "\\b([a-zA-Z_][a-zA-Z0-9_-]*)\\b\\s*(=)\\s*(\"(.*?)\")",
          "captures": {
            "1": { "name": "entity.other.attribute-name.eftl" },
            "2": { "name": "punctuation.separator.key-value.eftl" },
            "3": { "name": "string.quoted.double.eftl" }
          }
        }
      ]
    },
    "tag-open-context": {
      "patterns": [
        { "include": "#attributes" },
        { "include": "#expressions" },
        { "include": "#functions" },
        { "include": "#tags" }
      ]
    },
    "tags": {
      "patterns": [
        {
          "name": "meta.tag.block.eftl",
          "begin": "(\\[)(TAG)(?:\\s+[^\\x00]*?)?(?<!/)(\\])",
          "end": "(\\[/)(TAG)(\\])",
          "beginCaptures": {
            "1": { "name": "entity.name.tag.eftl" },
            "2": { "name": "entity.name.tag.eftl" },
            "3": { "name": "entity.name.tag.eftl" }
          },
          "endCaptures": {
            "1": { "name": "entity.name.tag.eftl" },
            "2": { "name": "entity.name.tag.eftl" },
            "3": { "name": "entity.name.tag.eftl" }
          },
          "patterns": [
            { "include": "#expressions" },
            { "include": "#tags" },
            { "include": "#functions" },
            { "include": "#control-structures" },
            { "include": "#variables" }
          ]
        },
        {
          "name": "meta.tag.eftl",
          "begin": "(\\[)(TAG)\\b",
          "end": "(/\\s*\\]|(?<!/)\\])",
          "beginCaptures": {
            "1": { "name": "entity.name.tag.eftl" },
            "2": { "name": "entity.name.tag.eftl" }
          },
          "endCaptures": {
            "0": { "name": "entity.name.tag.eftl" }
          },
          "patterns": [
            { "include": "#tag-open-context" }
          ]
        }
      ]
    },
    "header": {
      "patterns": [
        {
          "name": "meta.header.eftl",
          "begin": "(\\[)(HEADER)\\b",
          "end": "(/\\s*\\]|(?<!/)\\])",
          "beginCaptures": {
            "1": { "name": "keyword.other.header.eftl" },
            "2": { "name": "keyword.other.header.eftl" }
          },
          "endCaptures": {
            "0": { "name": "keyword.other.header.eftl" }
          },
          "patterns": [
            { "include": "#tag-open-context" }
          ]
        }
      ]
    },
    "control-structures": {
      "patterns": [
        {
          "name": "keyword.control.conditional.eftl",
          "match": "\\[(IF|ELSE IF|ELSE|/IF|CONDITION|/CONDITION|THEN|/THEN|/ELSE IF|/ELSE)\\]"
        },
        {
          "name": "keyword.control.loop.eftl",
          "match": "\\[(WHILE|/WHILE|DO|/DO)\\]"
        }
      ]
    },
    "variables": {
      "patterns": [
        {
          "name": "meta.variable.block.eftl",
          "begin": "(\\[)(VAR)(?:\\s+[^\\x00]*?)?(?<!/)(\\])",
          "end": "(\\[/)(VAR)(\\])",
          "beginCaptures": {
            "1": { "name": "storage.type.variable.eftl" },
            "2": { "name": "storage.type.variable.eftl" },
            "3": { "name": "storage.type.variable.eftl" }
          },
          "endCaptures": {
            "1": { "name": "storage.type.variable.eftl" },
            "2": { "name": "storage.type.variable.eftl" },
            "3": { "name": "storage.type.variable.eftl" }
          },
          "patterns": [
            { "include": "#expressions" },
            { "include": "#functions" },
            { "include": "#tags" },
            { "include": "#control-structures" }
          ]
        },
        {
          "name": "meta.variable.declaration.eftl",
          "begin": "(\\[)(VAR)\\b",
          "end": "(/\\s*\\]|(?<!/)\\])",
          "beginCaptures": {
            "1": { "name": "storage.type.variable.eftl" },
            "2": { "name": "storage.type.variable.eftl" }
          },
          "endCaptures": {
            "0": { "name": "storage.type.variable.eftl" }
          },
          "patterns": [
            { "include": "#tag-open-context" }
          ]
        }
      ]
    },
    "functions": {
      "patterns": [
        {
          "name": "meta.function.block.eftl",
          "begin": "(\\[)(VALUE_OF|SIZE_OF|SPLIT|FORMAT|CONTAINS|TRIM)(?:\\s+[^\\x00]*?)?(?<!/)(\\])",
          "end": "(\\[/)(VALUE_OF|SIZE_OF|SPLIT|FORMAT|CONTAINS|TRIM)(\\])",
          "beginCaptures": {
            "1": { "name": "support.function.eftl" },
            "2": { "name": "support.function.eftl" },
            "3": { "name": "support.function.eftl" }
          },
          "endCaptures": {
            "1": { "name": "support.function.eftl" },
            "2": { "name": "support.function.eftl" },
            "3": { "name": "support.function.eftl" }
          },
          "patterns": [
            { "include": "#expressions" },
            { "include": "#functions" },
            { "include": "#tags" },
            { "include": "#control-structures" }
          ]
        },
        {
          "name": "meta.function.eftl",
          "begin": "(\\[)(VALUE_OF|SIZE_OF|SPLIT|FORMAT|CONTAINS|TRIM)\\b",
          "end": "(/\\s*\\]|(?<!/)\\])",
          "beginCaptures": {
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            "2": { "name": "support.function.eftl" }
          },
          "endCaptures": {
            "0": { "name": "support.function.eftl" }
          },
          "patterns": [
            { "include": "#tag-open-context" }
          ]
        }
      ]
    },
    "strings": {
      "patterns": [
        {
          "name": "string.quoted.double.eftl",
          "begin": "\"",
          "end": "\"",
          "patterns": [
            {
              "name": "constant.character.escape.eftl",
              "match": "\\\\."
            }
          ]
        }
      ]
    }
  }
}