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treegen: Add some enhancements to generated code

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This commit is contained in:
Sam Vervaeck 2020-05-31 20:49:18 +02:00
parent 518631f3b8
commit d33f99c83d
1 changed files with 17 additions and 3 deletions
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20
treegen/src/index.ts
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@ -50,14 +50,12 @@ export function generateAST(decls: Declaration[]) {
jsFile.write(fs.readFileSync(path.join(PACKAGE_ROOT, 'snippets', 'ast-before.js'), 'utf8')); jsFile.write(fs.readFileSync(path.join(PACKAGE_ROOT, 'snippets', 'ast-before.js'), 'utf8'));
//jsFile.write(`\nconst NODE_TYPES = {\n`);
//jsFile.indent();
for (const decl of finalNodes) { for (const decl of finalNodes) {
jsFile.write(`class ${decl.name} extends SyntaxBase {\n\n`); jsFile.write(`class ${decl.name} extends SyntaxBase {\n\n`);
jsFile.indent(); jsFile.indent();
jsFile.write(`static kind = ${decl.index};\n\n`); jsFile.write(`kind = ${decl.index};\n\n`);
jsFile.write(`static parents = `); jsFile.write(`static parents = `);
jsFile.write(JSON.stringify([...getParentChain(decl.name), 'Syntax'], undefined, 2)); jsFile.write(JSON.stringify([...getParentChain(decl.name), 'Syntax'], undefined, 2));
jsFile.write(';\n\n') jsFile.write(';\n\n')
@ -105,6 +103,14 @@ export function generateAST(decls: Declaration[]) {
jsFile.dedent(2); jsFile.dedent(2);
jsFile.write(` }\n}\n\n`); jsFile.write(` }\n}\n\n`);
jsFile.write(`export const SyntaxKind = {\n`)
for (const leafNode of finalNodes) {
jsFile.write(` ${leafNode.name}: ${leafNode.index},\n`);
}
jsFile.write('}\n\n')
for (const decl of nodeDecls) { for (const decl of nodeDecls) {
jsFile.write(`export function is${decl.name}(value) {\n`); jsFile.write(`export function is${decl.name}(value) {\n`);
jsFile.indent(); jsFile.indent();
@ -118,6 +124,14 @@ export function generateAST(decls: Declaration[]) {
jsFile.write(`}\n`); jsFile.write(`}\n`);
} }
for (const node of finalNodes) {
jsFile.write(`export function create${node.name}(...args) {\n`)
jsFile.indent()
jsFile.write(`return new ${node.name}(...args);\n`)
jsFile.dedent();
jsFile.write('}\n\n')
}
jsFile.write(fs.readFileSync(path.join(PACKAGE_ROOT, 'snippets', 'ast-after.js'), 'utf8')); jsFile.write(fs.readFileSync(path.join(PACKAGE_ROOT, 'snippets', 'ast-after.js'), 'utf8'));
// Write corresponding TypeScript declarations // Write corresponding TypeScript declarations