12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788 |
- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
-
- const HarmonyExportExpressionDependency = require("./HarmonyExportExpressionDependency");
- const HarmonyExportHeaderDependency = require("./HarmonyExportHeaderDependency");
- const HarmonyExportSpecifierDependency = require("./HarmonyExportSpecifierDependency");
- const HarmonyExportImportedSpecifierDependency = require("./HarmonyExportImportedSpecifierDependency");
- const HarmonyImportDependency = require("./HarmonyImportDependency");
- const HarmonyModulesHelpers = require("./HarmonyModulesHelpers");
-
- module.exports = class HarmonyExportDependencyParserPlugin {
- apply(parser) {
- parser.plugin("export", statement => {
- const dep = new HarmonyExportHeaderDependency(statement.declaration && statement.declaration.range, statement.range);
- dep.loc = Object.create(statement.loc);
- dep.loc.index = -1;
- parser.state.current.addDependency(dep);
- return true;
- });
- parser.plugin("export import", (statement, source) => {
- const dep = new HarmonyImportDependency(source, HarmonyModulesHelpers.getNewModuleVar(parser.state, source), statement.range);
- dep.loc = Object.create(statement.loc);
- dep.loc.index = -1;
- parser.state.current.addDependency(dep);
- parser.state.lastHarmonyImport = dep;
- return true;
- });
- parser.plugin("export expression", (statement, expr) => {
- const dep = new HarmonyExportExpressionDependency(parser.state.module, expr.range, statement.range);
- dep.loc = Object.create(statement.loc);
- dep.loc.index = -1;
- parser.state.current.addDependency(dep);
- return true;
- });
- parser.plugin("export declaration", statement => {});
- parser.plugin("export specifier", (statement, id, name, idx) => {
- const rename = parser.scope.renames[`$${id}`];
- let dep;
- const harmonyNamedExports = parser.state.harmonyNamedExports = parser.state.harmonyNamedExports || new Set();
- harmonyNamedExports.add(name);
- if(rename === "imported var") {
- const settings = parser.state.harmonySpecifier[`$${id}`];
- dep = new HarmonyExportImportedSpecifierDependency(parser.state.module, settings[0], settings[1], settings[2], name, harmonyNamedExports, null);
- } else {
- const immutable = statement.declaration && isImmutableStatement(statement.declaration);
- const hoisted = statement.declaration && isHoistedStatement(statement.declaration);
- dep = new HarmonyExportSpecifierDependency(parser.state.module, id, name, !immutable || hoisted ? -2 : (statement.range[1] + 0.5), immutable);
- }
- dep.loc = Object.create(statement.loc);
- dep.loc.index = idx;
- parser.state.current.addDependency(dep);
- return true;
- });
- parser.plugin("export import specifier", (statement, source, id, name, idx) => {
- const harmonyNamedExports = parser.state.harmonyNamedExports = parser.state.harmonyNamedExports || new Set();
- let harmonyStarExports = null;
- if(name) {
- harmonyNamedExports.add(name);
- } else {
- harmonyStarExports = parser.state.harmonyStarExports = parser.state.harmonyStarExports || [];
- }
- const dep = new HarmonyExportImportedSpecifierDependency(parser.state.module, parser.state.lastHarmonyImport, HarmonyModulesHelpers.getModuleVar(parser.state, source), id, name, harmonyNamedExports, harmonyStarExports && harmonyStarExports.slice());
- if(harmonyStarExports) {
- harmonyStarExports.push(dep);
- }
- dep.loc = Object.create(statement.loc);
- dep.loc.index = idx;
- parser.state.current.addDependency(dep);
- return true;
- });
- }
- };
-
- function isImmutableStatement(statement) {
- if(statement.type === "FunctionDeclaration") return true;
- if(statement.type === "ClassDeclaration") return true;
- if(statement.type === "VariableDeclaration" && statement.kind === "const") return true;
- return false;
- }
-
- function isHoistedStatement(statement) {
- if(statement.type === "FunctionDeclaration") return true;
- return false;
- }
|