setup-python/node_modules/@babel/generator/lib/generators/base.js

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2019-06-27 08:12:00 +07:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.File = File;
exports.Program = Program;
exports.BlockStatement = BlockStatement;
exports.Noop = Noop;
exports.Directive = Directive;
exports.DirectiveLiteral = DirectiveLiteral;
exports.InterpreterDirective = InterpreterDirective;
exports.Placeholder = Placeholder;
function File(node) {
if (node.program) {
this.print(node.program.interpreter, node);
}
this.print(node.program, node);
}
function Program(node) {
this.printInnerComments(node, false);
this.printSequence(node.directives, node);
if (node.directives && node.directives.length) this.newline();
this.printSequence(node.body, node);
}
function BlockStatement(node) {
this.token("{");
this.printInnerComments(node);
const hasDirectives = node.directives && node.directives.length;
if (node.body.length || hasDirectives) {
this.newline();
this.printSequence(node.directives, node, {
indent: true
});
if (hasDirectives) this.newline();
this.printSequence(node.body, node, {
indent: true
});
this.removeTrailingNewline();
this.source("end", node.loc);
if (!this.endsWith("\n")) this.newline();
this.rightBrace();
} else {
this.source("end", node.loc);
this.token("}");
}
}
function Noop() {}
function Directive(node) {
this.print(node.value, node);
this.semicolon();
}
const unescapedSingleQuoteRE = /(?:^|[^\\])(?:\\\\)*'/;
const unescapedDoubleQuoteRE = /(?:^|[^\\])(?:\\\\)*"/;
function DirectiveLiteral(node) {
const raw = this.getPossibleRaw(node);
if (raw != null) {
this.token(raw);
return;
}
const {
value
} = node;
if (!unescapedDoubleQuoteRE.test(value)) {
this.token(`"${value}"`);
} else if (!unescapedSingleQuoteRE.test(value)) {
this.token(`'${value}'`);
} else {
throw new Error("Malformed AST: it is not possible to print a directive containing" + " both unescaped single and double quotes.");
}
}
function InterpreterDirective(node) {
this.token(`#!${node.value}\n`);
}
function Placeholder(node) {
this.token("%%");
this.print(node.name);
this.token("%%");
if (node.expectedNode === "Statement") {
this.semicolon();
}
}