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390 lines (324 loc) · 11.7 KB
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/**
* @fileoverview The C-like and re-exported public compiler interface.
*
* The intended way to consume the compiler sources is to import this
* file, which again exports all relevant functions, classes and constants
* as a flat namespace.
*
* Note though that the compiler sources are written in "portable
* AssemblyScript" that can be compiled to both JavaScript with tsc and
* to WebAssembly with asc, and as such require additional glue code
* depending on the target.
*
* When compiling to JavaScript `glue/js/index.js` must be included.
* When compiling to WebAssembly `glue/wasm/index.ts` must be included.
*/
import {
Target,
Runtime,
Feature
} from "./common";
import {
Compiler,
Options,
UncheckedBehavior,
defaultFeatures
} from "./compiler";
import {
TSDBuilder,
JSBuilder
} from "./bindings";
import {
Range,
DiagnosticMessage,
DiagnosticCategory,
formatDiagnosticMessage
} from "./diagnostics";
import { Module } from "./module";
import { Program } from "./program";
import { Source } from "./ast";
// Options
/** Creates a new set of compiler options. */
export function newOptions(): Options {
return new Options();
}
/** Sets the `target` option. */
export function setTarget(options: Options, target: Target): void {
options.target = target;
}
export function setRuntime(options: Options, runtime: Runtime): void {
options.runtime = runtime;
}
/** Sets the `noAssert` option. */
export function setNoAssert(options: Options, noAssert: bool): void {
options.noAssert = noAssert;
}
/** Sets the `exportMemory` option. */
export function setExportMemory(options: Options, exportMemory: bool): void {
options.exportMemory = exportMemory;
}
/** Sets the `importMemory` option. */
export function setImportMemory(options: Options, importMemory: bool): void {
options.importMemory = importMemory;
}
/** Sets the `initialMemory` option. */
export function setInitialMemory(options: Options, initialMemory: u32): void {
options.initialMemory = initialMemory;
}
/** Sets the `maximumMemory` option. */
export function setMaximumMemory(options: Options, maximumMemory: u32): void {
options.maximumMemory = maximumMemory;
}
/** Sets the `sharedMemory` option. */
export function setSharedMemory(options: Options, sharedMemory: bool): void {
options.sharedMemory = sharedMemory;
}
/** Sets the `importTable` option. */
export function setImportTable(options: Options, importTable: bool): void {
options.importTable = importTable;
}
/** Sets the `exportTable` option. */
export function setExportTable(options: Options, exportTable: bool): void {
options.exportTable = exportTable;
}
/** Sets the `sourceMap` option. */
export function setSourceMap(options: Options, sourceMap: bool): void {
options.sourceMap = sourceMap;
}
/** Sets the `uncheckedBehavior` option. */
export function setUncheckedBehavior(options: Options, uncheckedBehavior: UncheckedBehavior): void {
options.uncheckedBehavior = uncheckedBehavior;
}
/** Sets the `memoryBase` option. */
export function setMemoryBase(options: Options, memoryBase: u32): void {
options.memoryBase = memoryBase;
}
/** Sets the `tableBase` option. */
export function setTableBase(options: Options, tableBase: u32): void {
options.tableBase = tableBase;
}
/** Adds a 'globalAliases' value. */
export function addGlobalAlias(options: Options, alias: string, name: string): void {
let globalAliases = options.globalAliases;
if (!globalAliases) options.globalAliases = globalAliases = new Map();
globalAliases.set(alias, name);
}
/** Removes a 'globalAliases' value. */
export function removeGlobalAlias(options: Options, alias: string): void {
let globalAliases = options.globalAliases;
if (globalAliases) globalAliases.delete(alias);
}
/** Sets the `exportStart` option. */
export function setExportStart(options: Options, exportStart: string | null): void {
options.exportStart = exportStart;
}
/** Sets the `noUnsafe` option. */
export function setNoUnsafe(options: Options, noUnsafe: bool): void {
options.noUnsafe = noUnsafe;
}
/** Sets the `lowMemoryLimit` option. */
export function setLowMemoryLimit(options: Options, lowMemoryLimit: i32): void {
options.lowMemoryLimit = lowMemoryLimit;
}
/** Sets the `exportRuntime` option. */
export function setExportRuntime(options: Options, exportRuntime: bool): void {
options.exportRuntime = exportRuntime;
}
/** Default stack size. */
export const DEFAULT_STACK_SIZE = 32768;
/** Sets the `stackSize` option. */
export function setStackSize(options: Options, stackSize: i32): void {
options.stackSize = stackSize;
}
/** Sets the bundle semantic version. */
export function setBundleVersion(
options: Options,
bundleMajorVersion: i32,
bundleMinorVersion: i32,
bundlePatchVersion: i32,
): void {
options.bundleMajorVersion = bundleMajorVersion;
options.bundleMinorVersion = bundleMinorVersion;
options.bundlePatchVersion = bundlePatchVersion;
}
/** Sign extension operations. */
export const FEATURE_SIGN_EXTENSION = Feature.SignExtension;
/** Mutable global imports and exports. */
export const FEATURE_MUTABLE_GLOBALS = Feature.MutableGlobals;
/** Non-trapping float to int conversion operations. */
export const FEATURE_NONTRAPPING_F2I = Feature.NontrappingF2I;
/** Bulk memory operations. */
export const FEATURE_BULK_MEMORY = Feature.BulkMemory;
/** SIMD types and operations. */
export const FEATURE_SIMD = Feature.Simd;
/** Threading and atomic operations. */
export const FEATURE_THREADS = Feature.Threads;
/** Exception handling operations. */
export const FEATURE_EXCEPTION_HANDLING = Feature.ExceptionHandling;
/** Tail call operations. */
export const FEATURE_TAIL_CALLS = Feature.TailCalls;
/** Reference types. */
export const FEATURE_REFERENCE_TYPES = Feature.ReferenceTypes;
/** Multi value types. */
export const FEATURE_MULTI_VALUE = Feature.MultiValue;
/** Garbage collection. */
export const FEATURE_GC = Feature.GC;
/** Memory64. */
export const FEATURE_MEMORY64 = Feature.Memory64;
/** Relaxed SIMD. */
export const FEATURE_RELAXED_SIMD = Feature.RelaxedSimd;
/** Extended const expressions. */
export const FEATURE_EXTENDED_CONST = Feature.ExtendedConst;
/** String references. */
export const FEATURE_STRINGREF = Feature.Stringref;
/** All features. */
export const FEATURES_ALL = Feature.All;
/** Default features. */
export const FEATURES_DEFAULT = defaultFeatures;
/** Sets whether a specific feature is enabled. */
export function setFeature(options: Options, feature: Feature, on: bool): void {
options.setFeature(feature, on);
}
/** Gives the compiler a hint at the optimize levels that will be used later on. */
export function setOptimizeLevelHints(options: Options, optimizeLevel: i32, shrinkLevel: i32): void {
options.optimizeLevelHint = optimizeLevel;
options.shrinkLevelHint = shrinkLevel;
}
/** Gives the compiler a hint of the emitted module's basename. */
export function setBasenameHint(options: Options, basename: string): void {
options.basenameHint = basename;
}
/** Gives the compiler a hint that bindings will be generated. */
export function setBindingsHint(options: Options, bindings: bool): void {
options.bindingsHint = bindings;
}
/** Sets the `pedantic` option. */
export function setPedantic(options: Options, pedantic: bool): void {
options.pedantic = pedantic;
}
export function setDebugInfo(options: Options, debug: bool): void {
options.debugInfo = debug;
}
// Program
/** Creates a new Program. */
export function newProgram(options: Options): Program {
return new Program(options);
}
/** Obtains the next diagnostic message. Returns `null` once complete. */
export function nextDiagnostic(program: Program): DiagnosticMessage | null {
return program.diagnosticsOffset < program.diagnostics.length
? program.diagnostics[program.diagnosticsOffset++]
: null;
}
/** Obtains the source of the given file. */
export function getSource(program: Program, internalPath: string): string | null {
return program.getSource(internalPath);
}
/** Formats a diagnostic message to a string. */
export { formatDiagnosticMessage as formatDiagnostic };
/** Gets the code of a diagnostic message. */
export function getDiagnosticCode(diagnostic: DiagnosticMessage): i32 {
return diagnostic.code;
}
/** Gets the category of a diagnostic message. */
export function getDiagnosticCategory(diagnostic: DiagnosticMessage): DiagnosticCategory {
return diagnostic.category;
}
/** Gets the textual message of a diagnostic message. */
export function getDiagnosticMessage(diagnostic: DiagnosticMessage): string {
return diagnostic.message;
}
/** Gets the primary range, if any, of a diagnostic message. */
export function getDiagnosticRange(diagnostic: DiagnosticMessage): Range | null {
return diagnostic.range;
}
/** Gets the related range, if any, of a diagnostic message. */
export function getDiagnosticRelatedRange(diagnostic: DiagnosticMessage): Range | null {
return diagnostic.relatedRange;
}
/** Gets a range's start offset. */
export function getRangeStart(range: Range): i32 {
return range.start;
}
/** Gets a range's end offsset. */
export function getRangeEnd(range: Range): i32 {
return range.end;
}
/** Gets a range's relevant source. */
export function getRangeSource(range: Range): Source {
return range.source;
}
/** Gets a source's normalized path. */
export function getSourceNormalizedPath(source: Source): string {
return source.normalizedPath;
}
/** Tests whether a diagnostic is informatory. */
export function isInfo(message: DiagnosticMessage): bool {
return message.category == DiagnosticCategory.Info;
}
/** Tests whether a diagnostic is a warning. */
export function isWarning(message: DiagnosticMessage): bool {
return message.category == DiagnosticCategory.Warning;
}
/** Tests whether a diagnostic is an error. */
export function isError(message: DiagnosticMessage): bool {
return message.category == DiagnosticCategory.Error;
}
// Parser
/** Parses a source file. If `parser` has been omitted a new one is created. */
export function parse(
/** Program reference. */
program: Program,
/** Source text of the file, or `null` to indicate not found. */
text: string | null,
/** Normalized path of the file. */
path: string,
/** Whether this is an entry file. */
isEntry: bool = false
): void {
program.parser.parseFile(text, path, isEntry);
}
/** Obtains the next required file's path. Returns `null` once complete. */
export function nextFile(program: Program): string | null {
return program.parser.nextFile();
}
/** Obtains the path of the dependee of a given imported file. */
export function getDependee(program: Program, file: string): string | null {
return program.parser.getDependee(file);
}
// Compiler
/** Initializes the program pre-emptively for transform hooks. */
export function initializeProgram(program: Program): void {
program.initialize();
}
/** Compiles the parsed sources to a module. */
export function compile(program: Program): Module {
program.parser.finish();
return new Compiler(program).compile();
}
/** Builds TypeScript definitions for the specified program. */
export function buildTSD(program: Program, esm: bool): string {
return TSDBuilder.build(program, esm);
}
/** Builds JavaScript glue code for the specified program. */
export function buildJS(program: Program, esm: bool): string {
return JSBuilder.build(program, esm);
}
/** Gets the Binaryen module reference of a module. */
export function getBinaryenModuleRef(module: Module): usize {
return module.ref;
}
/** Validates a module. */
export function validate(module: Module): bool {
return module.validate();
}
/** Optimizes a module. */
export function optimize(
module: Module,
optimizeLevel: i32,
shrinkLevel: i32,
debugInfo: bool = false,
zeroFilledMemory: bool = false
): void {
module.optimize(optimizeLevel, shrinkLevel, debugInfo, zeroFilledMemory);
}