edit/crates/lsh/definitions/powershell.lsh at 344cb973fa6dc653c9f7f48b2b1074b38a60fb6f · microsoft/edit · GitHub

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#[display_name = "PowerShell"]
#[path = "**/*.ps1"]
#[path = "**/*.psd1"]
#[path = "**/*.psm1"]
pub fn powershell() {
    until /$/ {
        yield other;

        if /#.*/ {
            yield comment;
        } else if /<#/ {
            loop {
                yield comment;
                if /#>/ { yield comment; break; }
                await input;
            }
        } else if /'/ {
            loop {
                yield string;
                if /'/ { yield string; break; }
                await input;
            }
        } else if /@'\s*$/ {
            yield string;
            loop {
                if /.*/ {}
                yield string;
                await input;
                if /'@/ {
                    yield string;
                    break;
                }
            }
        } else if /@"\s*$/ {
            yield string;
            loop {
                if /.*/ {}
                yield string;
                await input;
                if /"@/ {
                    yield string;
                    break;
                }
            }
        } else if /"/ {
            loop {
                yield string;
                if /`./ {}
                else if /"/ { yield string; break; }
                await input;
            }
        } else if /(?i:function|param|class|enum|cmdletbinding|static)/ {
            if /\w+/ {
                yield other;
            } else {
                yield keyword.other;
            }
        } else if /(?i:elseif|else|if|for(each)?|switch|default|throw|try|catch|finally|return)/ {
            if /\w+/ {
                yield other;
            } else {
                yield keyword.control;
            }
        } else if /-?(?:\d+\.?\d*|\.\d+)(?:[eE][+-]?\d+)?/ {
            if /[\w\-]+/ {
                yield method;
            } else {
                yield constant.numeric;
            }
        } else if /\$false|\$true|\$null/ {
            if /\w+/ {
                yield variable;
            } else {
                yield constant.language;
            }
        } else if /[$@][\w\d?:]+/ {
            yield variable;
        } else if /[\w\d?:]+-[\w\d?:-]*/ {
            yield method;
        } else if /[\w\d?:]+/ {
            // Gobble any other tokens that should not be highlighted
        }

        yield other;
    }
}