57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
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import * as path from "path"
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import * as fs from "fs"
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import { FastStringMap } from "./util"
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import { Parser } from "./parser"
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import { TypeChecker } from "./checker"
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import { Evaluator } from "./evaluator"
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import { Expander } from "./expander"
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import { Scanner } from "./scanner"
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import { Compiler } from "./compiler"
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import { TextFile, SourceFile } from "./ast"
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export class Program {
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parser: Parser
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evaluator: Evaluator;
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checker: TypeChecker;
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expander: Expander;
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sourceFiles = new Map<TextFile, SourceFile>();
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constructor(public files: TextFile[]) {
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this.checker = new TypeChecker();
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this.parser = new Parser();
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this.evaluator = new Evaluator(this.checker);
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this.expander = new Expander(this.parser, this.evaluator, this.checker);
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for (const file of files) {
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const contents = fs.readFileSync(file.fullPath, 'utf8');
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const scanner = new Scanner(file, contents)
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this.sourceFiles.set(file, scanner.scan());
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}
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}
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compile(file: TextFile) {
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const original = this.sourceFiles.get(file);
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if (original === undefined) {
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throw new Error(`File ${file.path} does not seem to be part of this Program.`)
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}
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const expanded = this.expander.getFullyExpanded(original) as SourceFile;
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const compiler = new Compiler(this.checker, { target: "JS" })
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const compiled = compiler.compile(expanded)
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return compiled
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}
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eval(file: TextFile) {
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const original = this.sourceFiles.get(file);
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if (original === undefined) {
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throw new Error(`File ${file.path} does not seem to be part of this Program.`)
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}
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const expanded = this.expander.getFullyExpanded(original) as SourceFile;
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return this.evaluator.eval(expanded)
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}
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}
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