53 lines
2.2 KiB
TypeScript
53 lines
2.2 KiB
TypeScript
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import fs from 'fs';
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import * as S from '../syntax/index.js';
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import * as G from './grammar.js';
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export function main(argv: string[]) {
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let [ inputFilename ] = argv.slice(2);
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inputFilename = inputFilename ?? '/dev/stdin';
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const source = fs.readFileSync(inputFilename, 'utf-8');
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const scanner = new S.StringScanner(S.startPos(inputFilename), source);
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const reader = new S.LaxReader(scanner);
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let tree = reader.readToEnd();
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let macro = new S.Templates();
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let expansionNeeded = true;
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function expand<T>(p: S.Pattern<T>, f: (t: T) => S.Items) {
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tree = S.replace(tree, p, t => {
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expansionNeeded = true;
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return f(t);
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});
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}
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while (expansionNeeded) {
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expansionNeeded = false;
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expand(G.spawn,
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s => macro.template()`SPAWN[${s.name ?? []}][${S.joinItems(s.initialAssertions, ', ')}][[${s.bootProcBody}]]`);
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expand(G.fieldDeclarationStatement,
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s => macro.template()`FIELD[${s.member}][${s.expr ?? []}]`);
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expand(G.assertionEndpointStatement,
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s => macro.template()`ASSERT[${''+s.isDynamic}][${s.template}][${s.test ?? []}]`);
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expand(G.dataflowStatement,
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e => macro.template()`DATAFLOW[${e}]`);
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expand(G.eventHandlerEndpointStatement,
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s => macro.template()`EVENTHANDLER[${`${s.terminal}/${s.isDynamic}`}][${s.triggerType}][${s.pattern}][${s.body}]`);
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expand(G.typeDefinitionStatement,
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s => macro.template()`TYPEDEF[${s.expectedUse}][${[s.label]}][${S.joinItems(s.fields.map(f => [f]), ' -- ')}][${s.wireName ?? []}]`);
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expand(G.messageSendStatement,
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e => macro.template()`SEND[${e}]`);
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expand(G.duringStatement,
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s => macro.template()`DURING[${s.pattern}][${s.body}]`);
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expand(G.reactStatement,
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e => macro.template()`REACT[${e}]`);
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}
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console.log(S.itemText(tree, { color: true, missing: '\x1b[41m□\x1b[0m' }));
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const cw = new S.CodeWriter(inputFilename);
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cw.emit(tree);
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fs.writeFileSync('/tmp/adhoc.syndicate', cw.text);
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const mm = cw.map;
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mm.sourcesContent = [source];
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fs.writeFileSync('/tmp/adhoc.syndicate.map', JSON.stringify(mm));
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}
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