/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { identifierName } from '../parse_util';
import { EmitterVisitorContext } from './abstract_emitter';
import { AbstractJsEmitterVisitor } from './abstract_js_emitter';
import * as o from './output_ast';
import { newTrustedFunctionForJIT } from './output_jit_trusted_types';
/**
 * A helper class to manage the evaluation of JIT generated code.
 */
export class JitEvaluator {
    /**
     *
     * @param sourceUrl The URL of the generated code.
     * @param statements An array of Angular statement AST nodes to be evaluated.
     * @param refResolver Resolves `o.ExternalReference`s into values.
     * @param createSourceMaps If true then create a source-map for the generated code and include it
     * inline as a source-map comment.
     * @returns A map of all the variables in the generated code.
     */
    evaluateStatements(sourceUrl, statements, refResolver, createSourceMaps) {
        const converter = new JitEmitterVisitor(refResolver);
        const ctx = EmitterVisitorContext.createRoot();
        // Ensure generated code is in strict mode
        if (statements.length > 0 && !isUseStrictStatement(statements[0])) {
            statements = [
                o.literal('use strict').toStmt(),
                ...statements,
            ];
        }
        converter.visitAllStatements(statements, ctx);
        converter.createReturnStmt(ctx);
        return this.evaluateCode(sourceUrl, ctx, converter.getArgs(), createSourceMaps);
    }
    /**
     * Evaluate a piece of JIT generated code.
     * @param sourceUrl The URL of this generated code.
     * @param ctx A context object that contains an AST of the code to be evaluated.
     * @param vars A map containing the names and values of variables that the evaluated code might
     * reference.
     * @param createSourceMap If true then create a source-map for the generated code and include it
     * inline as a source-map comment.
     * @returns The result of evaluating the code.
     */
    evaluateCode(sourceUrl, ctx, vars, createSourceMap) {
        let fnBody = `"use strict";${ctx.toSource()}\n//# sourceURL=${sourceUrl}`;
        const fnArgNames = [];
        const fnArgValues = [];
        for (const argName in vars) {
            fnArgValues.push(vars[argName]);
            fnArgNames.push(argName);
        }
        if (createSourceMap) {
            // using `new Function(...)` generates a header, 1 line of no arguments, 2 lines otherwise
            // E.g. ```
            // function anonymous(a,b,c
            // /**/) { ... }```
            // We don't want to hard code this fact, so we auto detect it via an empty function first.
            const emptyFn = newTrustedFunctionForJIT(...fnArgNames.concat('return null;')).toString();
            const headerLines = emptyFn.slice(0, emptyFn.indexOf('return null;')).split('\n').length - 1;
            fnBody += `\n${ctx.toSourceMapGenerator(sourceUrl, headerLines).toJsComment()}`;
        }
        const fn = newTrustedFunctionForJIT(...fnArgNames.concat(fnBody));
        return this.executeFunction(fn, fnArgValues);
    }
    /**
     * Execute a JIT generated function by calling it.
     *
     * This method can be overridden in tests to capture the functions that are generated
     * by this `JitEvaluator` class.
     *
     * @param fn A function to execute.
     * @param args The arguments to pass to the function being executed.
     * @returns The return value of the executed function.
     */
    executeFunction(fn, args) {
        return fn(...args);
    }
}
/**
 * An Angular AST visitor that converts AST nodes into executable JavaScript code.
 */
export class JitEmitterVisitor extends AbstractJsEmitterVisitor {
    constructor(refResolver) {
        super();
        this.refResolver = refResolver;
        this._evalArgNames = [];
        this._evalArgValues = [];
        this._evalExportedVars = [];
    }
    createReturnStmt(ctx) {
        const stmt = new o.ReturnStatement(new o.LiteralMapExpr(this._evalExportedVars.map(resultVar => new o.LiteralMapEntry(resultVar, o.variable(resultVar), false))));
        stmt.visitStatement(this, ctx);
    }
    getArgs() {
        const result = {};
        for (let i = 0; i < this._evalArgNames.length; i++) {
            result[this._evalArgNames[i]] = this._evalArgValues[i];
        }
        return result;
    }
    visitExternalExpr(ast, ctx) {
        this._emitReferenceToExternal(ast, this.refResolver.resolveExternalReference(ast.value), ctx);
        return null;
    }
    visitWrappedNodeExpr(ast, ctx) {
        this._emitReferenceToExternal(ast, ast.node, ctx);
        return null;
    }
    visitDeclareVarStmt(stmt, ctx) {
        if (stmt.hasModifier(o.StmtModifier.Exported)) {
            this._evalExportedVars.push(stmt.name);
        }
        return super.visitDeclareVarStmt(stmt, ctx);
    }
    visitDeclareFunctionStmt(stmt, ctx) {
        if (stmt.hasModifier(o.StmtModifier.Exported)) {
            this._evalExportedVars.push(stmt.name);
        }
        return super.visitDeclareFunctionStmt(stmt, ctx);
    }
    _emitReferenceToExternal(ast, value, ctx) {
        let id = this._evalArgValues.indexOf(value);
        if (id === -1) {
            id = this._evalArgValues.length;
            this._evalArgValues.push(value);
            const name = identifierName({ reference: value }) || 'val';
            this._evalArgNames.push(`jit_${name}_${id}`);
        }
        ctx.print(ast, this._evalArgNames[id]);
    }
}
function isUseStrictStatement(statement) {
    return statement.isEquivalent(o.literal('use strict').toStmt());
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"output_jit.js","sourceRoot":"","sources":["../../../../../../../packages/compiler/src/output/output_jit.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,OAAO,EAAC,cAAc,EAAC,MAAM,eAAe,CAAC;AAE7C,OAAO,EAAC,qBAAqB,EAAC,MAAM,oBAAoB,CAAC;AACzD,OAAO,EAAC,wBAAwB,EAAC,MAAM,uBAAuB,CAAC;AAC/D,OAAO,KAAK,CAAC,MAAM,cAAc,CAAC;AAClC,OAAO,EAAC,wBAAwB,EAAC,MAAM,4BAA4B,CAAC;AAMpE;;GAEG;AACH,MAAM,OAAO,YAAY;IACvB;;;;;;;;OAQG;IACH,kBAAkB,CACd,SAAiB,EAAE,UAAyB,EAAE,WAAsC,EACpF,gBAAyB;QAC3B,MAAM,SAAS,GAAG,IAAI,iBAAiB,CAAC,WAAW,CAAC,CAAC;QACrD,MAAM,GAAG,GAAG,qBAAqB,CAAC,UAAU,EAAE,CAAC;QAC/C,0CAA0C;QAC1C,IAAI,UAAU,CAAC,MAAM,GAAG,CAAC,IAAI,CAAC,oBAAoB,CAAC,UAAU,CAAC,CAAC,CAAC,CAAC,EAAE;YACjE,UAAU,GAAG;gBACX,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,CAAC,MAAM,EAAE;gBAChC,GAAG,UAAU;aACd,CAAC;SACH;QACD,SAAS,CAAC,kBAAkB,CAAC,UAAU,EAAE,GAAG,CAAC,CAAC;QAC9C,SAAS,CAAC,gBAAgB,CAAC,GAAG,CAAC,CAAC;QAChC,OAAO,IAAI,CAAC,YAAY,CAAC,SAAS,EAAE,GAAG,EAAE,SAAS,CAAC,OAAO,EAAE,EAAE,gBAAgB,CAAC,CAAC;IAClF,CAAC;IAED;;;;;;;;;OASG;IACH,YAAY,CACR,SAAiB,EAAE,GAA0B,EAAE,IAA0B,EACzE,eAAwB;QAC1B,IAAI,MAAM,GAAG,gBAAgB,GAAG,CAAC,QAAQ,EAAE,mBAAmB,SAAS,EAAE,CAAC;QAC1E,MAAM,UAAU,GAAa,EAAE,CAAC;QAChC,MAAM,WAAW,GAAU,EAAE,CAAC;QAC9B,KAAK,MAAM,OAAO,IAAI,IAAI,EAAE;YAC1B,WAAW,CAAC,IAAI,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC,CAAC;YAChC,UAAU,CAAC,IAAI,CAAC,OAAO,CAAC,CAAC;SAC1B;QACD,IAAI,eAAe,EAAE;YACnB,0FAA0F;YAC1F,WAAW;YACX,2BAA2B;YAC3B,mBAAmB;YACnB,0FAA0F;YAC1F,MAAM,OAAO,GAAG,wBAAwB,CAAC,GAAG,UAAU,CAAC,MAAM,CAAC,cAAc,CAAC,CAAC,CAAC,QAAQ,EAAE,CAAC;YAC1F,MAAM,WAAW,GAAG,OAAO,CAAC,KAAK,CAAC,CAAC,EAAE,OAAO,CAAC,OAAO,CAAC,cAAc,CAAC,CAAC,CAAC,KAAK,CAAC,IAAI,CAAC,CAAC,MAAM,GAAG,CAAC,CAAC;YAC7F,MAAM,IAAI,KAAK,GAAG,CAAC,oBAAoB,CAAC,SAAS,EAAE,WAAW,CAAC,CAAC,WAAW,EAAE,EAAE,CAAC;SACjF;QACD,MAAM,EAAE,GAAG,wBAAwB,CAAC,GAAG,UAAU,CAAC,MAAM,CAAC,MAAM,CAAC,CAAC,CAAC;QAClE,OAAO,IAAI,CAAC,eAAe,CAAC,EAAE,EAAE,WAAW,CAAC,CAAC;IAC/C,CAAC;IAED;;;;;;;;;OASG;IACH,eAAe,CAAC,EAAY,EAAE,IAAW;QACvC,OAAO,EAAE,CAAC,GAAG,IAAI,CAAC,CAAC;IACrB,CAAC;CACF;AAED;;GAEG;AACH,MAAM,OAAO,iBAAkB,SAAQ,wBAAwB;IAK7D,YAAoB,WAAsC;QACxD,KAAK,EAAE,CAAC;QADU,gBAAW,GAAX,WAAW,CAA2B;QAJlD,kBAAa,GAAa,EAAE,CAAC;QAC7B,mBAAc,GAAU,EAAE,CAAC;QAC3B,sBAAiB,GAAa,EAAE,CAAC;IAIzC,CAAC;IAED,gBAAgB,CAAC,GAA0B;QACzC,MAAM,IAAI,GAAG,IAAI,CAAC,CAAC,eAAe,CAAC,IAAI,CAAC,CAAC,cAAc,CAAC,IAAI,CAAC,iBAAiB,CAAC,GAAG,CAC9E,SAAS,CAAC,EAAE,CAAC,IAAI,CAAC,CAAC,eAAe,CAAC,SAAS,EAAE,CAAC,CAAC,QAAQ,CAAC,SAAS,CAAC,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC;QACnF,IAAI,CAAC,cAAc,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;IACjC,CAAC;IAED,OAAO;QACL,MAAM,MAAM,GAAyB,EAAE,CAAC;QACxC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,aAAa,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;YAClD,MAAM,CAAC,IAAI,CAAC,aAAa,CAAC,CAAC,CAAC,CAAC,GAAG,IAAI,CAAC,cAAc,CAAC,CAAC,CAAC,CAAC;SACxD;QACD,OAAO,MAAM,CAAC;IAChB,CAAC;IAEQ,iBAAiB,CAAC,GAAmB,EAAE,GAA0B;QACxE,IAAI,CAAC,wBAAwB,CAAC,GAAG,EAAE,IAAI,CAAC,WAAW,CAAC,wBAAwB,CAAC,GAAG,CAAC,KAAK,CAAC,EAAE,GAAG,CAAC,CAAC;QAC9F,OAAO,IAAI,CAAC;IACd,CAAC;IAEQ,oBAAoB,CAAC,GAA2B,EAAE,GAA0B;QACnF,IAAI,CAAC,wBAAwB,CAAC,GAAG,EAAE,GAAG,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;QAClD,OAAO,IAAI,CAAC;IACd,CAAC;IAEQ,mBAAmB,CAAC,IAAsB,EAAE,GAA0B;QAC7E,IAAI,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC,YAAY,CAAC,QAAQ,CAAC,EAAE;YAC7C,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;SACxC;QACD,OAAO,KAAK,CAAC,mBAAmB,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;IAC9C,CAAC;IAEQ,wBAAwB,CAAC,IAA2B,EAAE,GAA0B;QACvF,IAAI,IAAI,CAAC,WAAW,CAAC,CAAC,CAAC,YAAY,CAAC,QAAQ,CAAC,EAAE;YAC7C,IAAI,CAAC,iBAAiB,CAAC,IAAI,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC;SACxC;QACD,OAAO,KAAK,CAAC,wBAAwB,CAAC,IAAI,EAAE,GAAG,CAAC,CAAC;IACnD,CAAC;IAEO,wBAAwB,CAAC,GAAiB,EAAE,KAAU,EAAE,GAA0B;QAExF,IAAI,EAAE,GAAG,IAAI,CAAC,cAAc,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;QAC5C,IAAI,EAAE,KAAK,CAAC,CAAC,EAAE;YACb,EAAE,GAAG,IAAI,CAAC,cAAc,CAAC,MAAM,CAAC;YAChC,IAAI,CAAC,cAAc,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;YAChC,MAAM,IAAI,GAAG,cAAc,CAAC,EAAC,SAAS,EAAE,KAAK,EAAC,CAAC,IAAI,KAAK,CAAC;YACzD,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,OAAO,IAAI,IAAI,EAAE,EAAE,CAAC,CAAC;SAC9C;QACD,GAAG,CAAC,KAAK,CAAC,GAAG,EAAE,IAAI,CAAC,aAAa,CAAC,EAAE,CAAC,CAAC,CAAC;IACzC,CAAC;CACF;AAGD,SAAS,oBAAoB,CAAC,SAAsB;IAClD,OAAO,SAAS,CAAC,YAAY,CAAC,CAAC,CAAC,OAAO,CAAC,YAAY,CAAC,CAAC,MAAM,EAAE,CAAC,CAAC;AAClE,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {identifierName} from '../parse_util';\n\nimport {EmitterVisitorContext} from './abstract_emitter';\nimport {AbstractJsEmitterVisitor} from './abstract_js_emitter';\nimport * as o from './output_ast';\nimport {newTrustedFunctionForJIT} from './output_jit_trusted_types';\n\nexport interface ExternalReferenceResolver {\n  resolveExternalReference(ref: o.ExternalReference): unknown;\n}\n\n/**\n * A helper class to manage the evaluation of JIT generated code.\n */\nexport class JitEvaluator {\n  /**\n   *\n   * @param sourceUrl The URL of the generated code.\n   * @param statements An array of Angular statement AST nodes to be evaluated.\n   * @param refResolver Resolves `o.ExternalReference`s into values.\n   * @param createSourceMaps If true then create a source-map for the generated code and include it\n   * inline as a source-map comment.\n   * @returns A map of all the variables in the generated code.\n   */\n  evaluateStatements(\n      sourceUrl: string, statements: o.Statement[], refResolver: ExternalReferenceResolver,\n      createSourceMaps: boolean): {[key: string]: any} {\n    const converter = new JitEmitterVisitor(refResolver);\n    const ctx = EmitterVisitorContext.createRoot();\n    // Ensure generated code is in strict mode\n    if (statements.length > 0 && !isUseStrictStatement(statements[0])) {\n      statements = [\n        o.literal('use strict').toStmt(),\n        ...statements,\n      ];\n    }\n    converter.visitAllStatements(statements, ctx);\n    converter.createReturnStmt(ctx);\n    return this.evaluateCode(sourceUrl, ctx, converter.getArgs(), createSourceMaps);\n  }\n\n  /**\n   * Evaluate a piece of JIT generated code.\n   * @param sourceUrl The URL of this generated code.\n   * @param ctx A context object that contains an AST of the code to be evaluated.\n   * @param vars A map containing the names and values of variables that the evaluated code might\n   * reference.\n   * @param createSourceMap If true then create a source-map for the generated code and include it\n   * inline as a source-map comment.\n   * @returns The result of evaluating the code.\n   */\n  evaluateCode(\n      sourceUrl: string, ctx: EmitterVisitorContext, vars: {[key: string]: any},\n      createSourceMap: boolean): any {\n    let fnBody = `\"use strict\";${ctx.toSource()}\\n//# sourceURL=${sourceUrl}`;\n    const fnArgNames: string[] = [];\n    const fnArgValues: any[] = [];\n    for (const argName in vars) {\n      fnArgValues.push(vars[argName]);\n      fnArgNames.push(argName);\n    }\n    if (createSourceMap) {\n      // using `new Function(...)` generates a header, 1 line of no arguments, 2 lines otherwise\n      // E.g. ```\n      // function anonymous(a,b,c\n      // /**/) { ... }```\n      // We don't want to hard code this fact, so we auto detect it via an empty function first.\n      const emptyFn = newTrustedFunctionForJIT(...fnArgNames.concat('return null;')).toString();\n      const headerLines = emptyFn.slice(0, emptyFn.indexOf('return null;')).split('\\n').length - 1;\n      fnBody += `\\n${ctx.toSourceMapGenerator(sourceUrl, headerLines).toJsComment()}`;\n    }\n    const fn = newTrustedFunctionForJIT(...fnArgNames.concat(fnBody));\n    return this.executeFunction(fn, fnArgValues);\n  }\n\n  /**\n   * Execute a JIT generated function by calling it.\n   *\n   * This method can be overridden in tests to capture the functions that are generated\n   * by this `JitEvaluator` class.\n   *\n   * @param fn A function to execute.\n   * @param args The arguments to pass to the function being executed.\n   * @returns The return value of the executed function.\n   */\n  executeFunction(fn: Function, args: any[]) {\n    return fn(...args);\n  }\n}\n\n/**\n * An Angular AST visitor that converts AST nodes into executable JavaScript code.\n */\nexport class JitEmitterVisitor extends AbstractJsEmitterVisitor {\n  private _evalArgNames: string[] = [];\n  private _evalArgValues: any[] = [];\n  private _evalExportedVars: string[] = [];\n\n  constructor(private refResolver: ExternalReferenceResolver) {\n    super();\n  }\n\n  createReturnStmt(ctx: EmitterVisitorContext) {\n    const stmt = new o.ReturnStatement(new o.LiteralMapExpr(this._evalExportedVars.map(\n        resultVar => new o.LiteralMapEntry(resultVar, o.variable(resultVar), false))));\n    stmt.visitStatement(this, ctx);\n  }\n\n  getArgs(): {[key: string]: any} {\n    const result: {[key: string]: any} = {};\n    for (let i = 0; i < this._evalArgNames.length; i++) {\n      result[this._evalArgNames[i]] = this._evalArgValues[i];\n    }\n    return result;\n  }\n\n  override visitExternalExpr(ast: o.ExternalExpr, ctx: EmitterVisitorContext): any {\n    this._emitReferenceToExternal(ast, this.refResolver.resolveExternalReference(ast.value), ctx);\n    return null;\n  }\n\n  override visitWrappedNodeExpr(ast: o.WrappedNodeExpr<any>, ctx: EmitterVisitorContext): any {\n    this._emitReferenceToExternal(ast, ast.node, ctx);\n    return null;\n  }\n\n  override visitDeclareVarStmt(stmt: o.DeclareVarStmt, ctx: EmitterVisitorContext): any {\n    if (stmt.hasModifier(o.StmtModifier.Exported)) {\n      this._evalExportedVars.push(stmt.name);\n    }\n    return super.visitDeclareVarStmt(stmt, ctx);\n  }\n\n  override visitDeclareFunctionStmt(stmt: o.DeclareFunctionStmt, ctx: EmitterVisitorContext): any {\n    if (stmt.hasModifier(o.StmtModifier.Exported)) {\n      this._evalExportedVars.push(stmt.name);\n    }\n    return super.visitDeclareFunctionStmt(stmt, ctx);\n  }\n\n  private _emitReferenceToExternal(ast: o.Expression, value: any, ctx: EmitterVisitorContext):\n      void {\n    let id = this._evalArgValues.indexOf(value);\n    if (id === -1) {\n      id = this._evalArgValues.length;\n      this._evalArgValues.push(value);\n      const name = identifierName({reference: value}) || 'val';\n      this._evalArgNames.push(`jit_${name}_${id}`);\n    }\n    ctx.print(ast, this._evalArgNames[id]);\n  }\n}\n\n\nfunction isUseStrictStatement(statement: o.Statement): boolean {\n  return statement.isEquivalent(o.literal('use strict').toStmt());\n}\n"]}