代码拉取完成,页面将自动刷新
同步操作将从 EwenWan/the-super-tiny-compiler 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
const {
tokenizer,
parser,
transformer,
codeGenerator,
compiler,
} = require('./the-super-tiny-compiler');
const assert = require('assert');
const input = '(add 2 (subtract 4 2))';
const output = 'add(2, subtract(4, 2));';
const tokens = [
{ type: 'paren', value: '(' },
{ type: 'name', value: 'add' },
{ type: 'number', value: '2' },
{ type: 'paren', value: '(' },
{ type: 'name', value: 'subtract' },
{ type: 'number', value: '4' },
{ type: 'number', value: '2' },
{ type: 'paren', value: ')' },
{ type: 'paren', value: ')' }
];
const ast = {
type: 'Program',
body: [{
type: 'CallExpression',
name: 'add',
params: [{
type: 'NumberLiteral',
value: '2'
}, {
type: 'CallExpression',
name: 'subtract',
params: [{
type: 'NumberLiteral',
value: '4'
}, {
type: 'NumberLiteral',
value: '2'
}]
}]
}]
};
const newAst = {
type: 'Program',
body: [{
type: 'ExpressionStatement',
expression: {
type: 'CallExpression',
callee: {
type: 'Identifier',
name: 'add'
},
arguments: [{
type: 'NumberLiteral',
value: '2'
}, {
type: 'CallExpression',
callee: {
type: 'Identifier',
name: 'subtract'
},
arguments: [{
type: 'NumberLiteral',
value: '4'
}, {
type: 'NumberLiteral',
value: '2'
}]
}]
}
}]
};
assert.deepStrictEqual(tokenizer(input), tokens, 'Tokenizer should turn `input` string into `tokens` array');
assert.deepStrictEqual(parser(tokens), ast, 'Parser should turn `tokens` array into `ast`');
assert.deepStrictEqual(transformer(ast), newAst, 'Transformer should turn `ast` into a `newAst`');
assert.deepStrictEqual(codeGenerator(newAst), output, 'Code Generator should turn `newAst` into `output` string');
assert.deepStrictEqual(compiler(input), output, 'Compiler should turn `input` into `output`');
console.log('All Passed!');
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