199 lines
3.7 KiB
JavaScript
199 lines
3.7 KiB
JavaScript
import {simpleMode} from "./simple-mode.js"
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var from = "from";
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var fromRegex = new RegExp("^(\\s*)\\b(" + from + ")\\b", "i");
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var shells = ["run", "cmd", "entrypoint", "shell"];
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var shellsAsArrayRegex = new RegExp("^(\\s*)(" + shells.join('|') + ")(\\s+\\[)", "i");
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var expose = "expose";
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var exposeRegex = new RegExp("^(\\s*)(" + expose + ")(\\s+)", "i");
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var others = [
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"arg", "from", "maintainer", "label", "env",
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"add", "copy", "volume", "user",
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"workdir", "onbuild", "stopsignal", "healthcheck", "shell"
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];
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// Collect all Dockerfile directives
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var instructions = [from, expose].concat(shells).concat(others),
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instructionRegex = "(" + instructions.join('|') + ")",
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instructionOnlyLine = new RegExp("^(\\s*)" + instructionRegex + "(\\s*)(#.*)?$", "i"),
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instructionWithArguments = new RegExp("^(\\s*)" + instructionRegex + "(\\s+)", "i");
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export const dockerFile = simpleMode({
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start: [
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// Block comment: This is a line starting with a comment
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{
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regex: /^\s*#.*$/,
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sol: true,
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token: "comment"
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},
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{
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regex: fromRegex,
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token: [null, "keyword"],
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sol: true,
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next: "from"
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},
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// Highlight an instruction without any arguments (for convenience)
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{
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regex: instructionOnlyLine,
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token: [null, "keyword", null, "error"],
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sol: true
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},
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{
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regex: shellsAsArrayRegex,
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token: [null, "keyword", null],
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sol: true,
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next: "array"
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},
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{
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regex: exposeRegex,
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token: [null, "keyword", null],
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sol: true,
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next: "expose"
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},
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// Highlight an instruction followed by arguments
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{
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regex: instructionWithArguments,
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token: [null, "keyword", null],
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sol: true,
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next: "arguments"
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},
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{
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regex: /./,
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token: null
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}
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],
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from: [
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{
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regex: /\s*$/,
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token: null,
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next: "start"
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},
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{
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// Line comment without instruction arguments is an error
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regex: /(\s*)(#.*)$/,
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token: [null, "error"],
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next: "start"
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},
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{
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regex: /(\s*\S+\s+)(as)/i,
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token: [null, "keyword"],
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next: "start"
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},
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// Fail safe return to start
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{
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token: null,
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next: "start"
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}
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],
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single: [
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{
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regex: /(?:[^\\']|\\.)/,
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token: "string"
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},
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{
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regex: /'/,
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token: "string",
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pop: true
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}
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],
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double: [
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{
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regex: /(?:[^\\"]|\\.)/,
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token: "string"
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},
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{
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regex: /"/,
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token: "string",
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pop: true
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}
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],
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array: [
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{
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regex: /\]/,
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token: null,
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next: "start"
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},
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{
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regex: /"(?:[^\\"]|\\.)*"?/,
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token: "string"
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}
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],
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expose: [
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{
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regex: /\d+$/,
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token: "number",
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next: "start"
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},
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{
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regex: /[^\d]+$/,
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token: null,
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next: "start"
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},
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{
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regex: /\d+/,
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token: "number"
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},
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{
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regex: /[^\d]+/,
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token: null
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},
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// Fail safe return to start
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{
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token: null,
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next: "start"
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}
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],
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arguments: [
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{
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regex: /^\s*#.*$/,
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sol: true,
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token: "comment"
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},
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{
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regex: /"(?:[^\\"]|\\.)*"?$/,
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token: "string",
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next: "start"
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},
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{
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regex: /"/,
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token: "string",
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push: "double"
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},
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{
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regex: /'(?:[^\\']|\\.)*'?$/,
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token: "string",
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next: "start"
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},
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{
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regex: /'/,
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token: "string",
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push: "single"
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},
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{
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regex: /[^#"']+[\\`]$/,
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token: null
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},
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{
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regex: /[^#"']+$/,
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token: null,
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next: "start"
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},
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{
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regex: /[^#"']+/,
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token: null
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},
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// Fail safe return to start
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{
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token: null,
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next: "start"
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}
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],
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languageData: {
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commentTokens: {line: "#"}
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}
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});
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