78 lines
2.1 KiB
TypeScript
78 lines
2.1 KiB
TypeScript
import * as babelparser from "@babel/parser";
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import * as t from "@babel/types";
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export interface InternalDSLVariable {
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type: string[];
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dsl_name: string;
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}
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export interface InternalParseResult {
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internals: Map<string, InternalDSLVariable>;
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cleanedJS: string;
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}
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export function parseInternal(applicableTo: string): InternalParseResult {
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let lastChar: null | string = null;
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let inDslParseMode = false;
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let inDslParseString = "";
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let internalParseResult: InternalParseResult = {
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internals: new Map(),
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cleanedJS: "",
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};
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for (let char of applicableTo) {
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if (inDslParseMode) {
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if (char == ">" && lastChar == ">") {
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//remove first closing >
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inDslParseString = inDslParseString.slice(0, -1);
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let { identifier, type, replaceWith } =
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parseInternalString(inDslParseString);
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internalParseResult.cleanedJS += replaceWith;
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internalParseResult.internals.set("___" + identifier, {
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type: type,
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dsl_name: identifier,
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});
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inDslParseString = "";
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inDslParseMode = false;
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continue;
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}
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inDslParseString += char;
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} else {
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if (char == "<" && lastChar == "<") {
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//Remove previous <
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internalParseResult.cleanedJS =
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internalParseResult.cleanedJS.slice(0, -1);
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inDslParseMode = true;
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continue;
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}
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internalParseResult.cleanedJS += char;
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}
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lastChar = char;
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}
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return internalParseResult;
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}
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function parseInternalString(dslString: string) {
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let splitted = dslString.split(":");
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return {
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identifier: splitted[0],
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type: splitted.length > 1 ? splitted[1].split("|") : [""],
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replaceWith: "___" + splitted[0],
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};
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}
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export function parse_with_plugins(
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code: string
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): babelparser.ParseResult<t.File> {
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return babelparser.parse(code, {
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plugins: [["pipelineOperator", { proposal: "hack", topicToken: "%" }]],
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});
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}
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