{
    "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
    "name": "aqua",
    "patterns": [
        {
            "include": "#keywords"
        },
        {
            "include": "#constants"
        },
        {
            "include": "#strings"
        },
        {
            "include": "#comments"
        },
        {
            "include": "#semantics"
        }
    ],
    "repository": {
        "keywords": {
            "patterns": [
                {
                    "name": "support.type.primitive.aqua",
                    "match": "\\b(string|bool|u8|u16|u32|u64|s8|s16|s32|s64|f32|f64)\\b"
                },
                {
                    "name": "keyword.control.flow.aqua",
                    "match": "\\b(try|catch|par|if|else|otherwise|for|co|join)\\b"
                },
                {
                    "name": "keyword.control.other.aqua",
                    "match": "(<<-|<-|->|\\[\\]|\\*|\\?\\=|\\?|==)"
                },
                {
                    "name": "keyword.topology.aqua",
                    "match": "\\b(on|via|use|func|service|data|alias|const)\\b"
                },
                {
                    "name": "keyword.operator.logical.aqua",
                    "match": "\\b(eqs|neq)\\b"
                },
                {
                    "name": "keyword.control.import",
                    "match": "\\b(import|module|export|declares|from|as)\\b"
                }
            ]
        },
        "constants": {
            "patterns": [
                {
                    "name": "constant.language.topology.aqua",
                    "match": "%init_peer_id%|%last_error%|%HOST_PEER_ID%"
                },
                {
                    "name": "constant.numeric.aqua",
                    "match": "\\b\\d+\\b"
                },
                {
                    "name": "constant.language.boolean.aqua",
                    "match": "\\b(true|false)\\b"
                },
                {
                    "name": "constant.language.option.nil.aqua",
                    "match": "nil"
                },
                {
                    "//": "Defines tokens for constants used anywhere in code",
                    "name": "constant.language.other.aqua",
                    "match": "\\b[A-Z][A-Z0-9_]*\\b"
                }
            ]
        },
        "strings": {
            "name": "string.quoted.double.aqua",
            "begin": "\"",
            "end": "\"",
            "patterns": [
                {
                    "name": "constant.character.escape.aqua",
                    "match": "\\\\."
                }
            ]
        },
        "comments": {
            "name": "comment.line.aqua",
            "begin": "--",
            "end": "$"
        },
        "semantics": {
            "patterns": [
                {
                    "//": "Matches type name defined with alias clause",
                    "name": "entity.name.type",
                    "match": "(?<=alias\\s*)[A-Z]\\w*(?=\\s*:)"
                },
                {
                    "//": "Matches type specifier after function arguments and variables",
                    "name": "support.type.specifier",
                    "match": "(?<=alias.*?:.*?,*\\s**[\\[\\]\\*\\?]*)[A-Z][A-Za-z0-9_]*"
                },
                {
                    "//": "Matches type specifier in lambda type aliases",
                    "name": "support.type.specifier",
                    "match": "(?<=:\\s*[\\[\\]\\*\\?]*)[A-Z][A-Za-z0-9_]*"
                },
                {
                    "//": "Defines tokens for data types in Aqua (usage). Data types in aqua start with a captial letter and are followed by any space char.",
                    "name": "support.type.specifier",
                    "match": "\\b[A-Z][A-Za-z0-9_]+(?=\\s)"
                },
                {
                    "//": "Defines tokens for data and service definitions ('data XXX:')",
                    "name": "entity.name.type.data.aqua",
                    "match": "\\b(?<=(data)\\s+)[A-Z][A-Za-z0-9_]+(?=:)\\b"
                },
                {
                    "//": "Defines tokens for data and service definitions ('service YYY:')",
                    "name": "entity.name.type.service.aqua",
                    "match": "\\b(?<=(service)\\s+)[A-Z][A-Za-z0-9_]+(?=(\\(\"\\w*\"\\))*:)\\b"
                },
                {
                    "//": "Metod name in 'Srv.method(args)' call",
                    "name": "support.function.method.call.aqua",
                    "match": "(?<=\\.)[a-z][a-zA-Z0-9_]+(?=\\()"
                },
                {
                    "//": "Service name in 'Srv.method(args)' call",
                    "name": "support.type.service.aqua",
                    "match": "\\b[A-Z][A-Za-z0-9_]*(?=\\..*?\\()"
                },
                {
                    "//": "Matches function arguments",
                    "name": "support.variable.parameter.function.arg",
                    "match": "\\b[a-z]\\w*(?=:)\\b"
                },
                {
                    "//": "Matches defined variables",
                    "name": "variable.other",
                    "match": "\\b[a-z]\\w*(?=\\s*<-)\\b"
                },
                {
                    "//": "Matches function definition",
                    "name": "entity.name.function",
                    "match": "\\b(?<=func\\s*)[a-z]\\w*(?=\\s*\\()\\b"
                },
                {
                    "//": "Matches method definition",
                    "name": "entity.name.function",
                    "match": "\\b[a-z]\\w*(?=\\s*\\(.*?\\)\\s*)\\b"
                }
            ]
        }
    },
    "scopeName": "source.aqua"
}