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Initial external decorator for annotating explicit import names; Use file name as default module name in imports; Emit empty memory if there are no static segments; Update TLSF and examples accordingly

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This commit is contained in:
dcodeIO
2018-06-28 01:44:32 +02:00
parent 27e61f8f67
commit 9c16363796
110 changed files with 17069 additions and 16757 deletions
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108
src/compiler.ts
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@ -84,12 +84,14 @@ import {
TypeNode,
Source,
Range,
DecoratorKind,
Statement,
BlockStatement,
BreakStatement,
ClassDeclaration,
ContinueStatement,
DeclarationStatement,
DoStatement,
EmptyStatement,
EnumDeclaration,
@ -134,7 +136,8 @@ import {
FieldDeclaration,
nodeIsConstantValue,
isLastStatement
isLastStatement,
findDecorator
} from "./ast";
import {
@ -350,9 +353,11 @@ export class Compiler extends DiagnosticEmitter {
}
// determine initial page size
var pages = i64_shr_u(i64_align(memoryOffset, 0x10000), i64_new(16, 0));
var numPages = this.memorySegments.length
? i64_low(i64_shr_u(i64_align(memoryOffset, 0x10000), i64_new(16, 0)))
: 0;
module.setMemory(
i64_low(pages),
numPages,
this.options.isWasm64
? Module.MAX_MEMORY_WASM64
: Module.MAX_MEMORY_WASM32,
@ -556,12 +561,16 @@ export class Compiler extends DiagnosticEmitter {
// constant global
if (isConstant || this.options.hasFeature(Feature.MUTABLE_GLOBAL)) {
global.set(CommonFlags.MODULE_IMPORT);
if (declaration) {
mangleImportName(global, declaration, global.parent);
} else {
mangleImportName_moduleName = "env";
mangleImportName_elementName = global.simpleName;
}
module.addGlobalImport(
global.internalName,
global.parent
? global.parent.simpleName
: "env",
global.simpleName,
mangleImportName_moduleName,
mangleImportName_elementName,
nativeType
);
global.set(CommonFlags.COMPILED);
@ -908,7 +917,21 @@ export class Compiler extends DiagnosticEmitter {
} else {
assert(body.kind == NodeKind.BLOCK);
let stmts = this.compileStatements((<BlockStatement>body).statements);
if (instance.is(CommonFlags.MAIN)) stmts.unshift(module.createCall("start", null, NativeType.None));
if (instance.is(CommonFlags.MAIN)) {
module.addGlobal("~started", NativeType.I32, true, module.createI32(0));
stmts.unshift(
module.createIf(
module.createUnary(
UnaryOp.EqzI32,
module.createGetGlobal("~started", NativeType.I32)
),
module.createBlock(null, [
module.createCall("start", null, NativeType.None),
module.createSetGlobal("~started", module.createI32(1))
])
)
);
}
flow.finalize();
if (isConstructor) {
let nativeSizeType = this.options.nativeSizeType;
@ -954,17 +977,24 @@ export class Compiler extends DiagnosticEmitter {
stmt
);
// concrete functions cannot have an annotated external name
if (instance.hasDecorator(DecoratorFlags.EXTERNAL)) {
let decorator = assert(findDecorator(DecoratorKind.EXTERNAL, declaration.decorators));
this.error(
DiagnosticCode.Operation_not_supported,
decorator.range
);
}
} else {
instance.set(CommonFlags.MODULE_IMPORT);
mangleImportName(instance, declaration, instance.prototype.parent); // TODO: check for duplicates
// create the function import
let parent = instance.prototype.parent;
ref = module.addFunctionImport(
instance.internalName,
parent
? parent.simpleName
: "env",
instance.simpleName,
mangleImportName_moduleName,
mangleImportName_elementName,
typeRef
);
}
@ -7402,3 +7432,55 @@ function mangleExportName(element: Element, simpleName: string = element.simpleN
}
}
}
function mangleImportName(
element: Element,
declaration: DeclarationStatement,
parentElement: Element | null = null
): void {
mangleImportName_moduleName = parentElement ? parentElement.simpleName : declaration.range.source.simplePath;
mangleImportName_elementName = element.simpleName;
if (!element.hasDecorator(DecoratorFlags.EXTERNAL)) return;
var program = element.program;
var decorator = assert(findDecorator(DecoratorKind.EXTERNAL, declaration.decorators));
var args = decorator.arguments;
if (args && args.length) {
let arg = args[0];
if (arg.kind == NodeKind.LITERAL && (<LiteralExpression>arg).literalKind == LiteralKind.STRING) {
mangleImportName_elementName = (<StringLiteralExpression>arg).value;
if (args.length >= 2) {
arg = args[1];
if (arg.kind == NodeKind.LITERAL && (<LiteralExpression>arg).literalKind == LiteralKind.STRING) {
mangleImportName_moduleName = mangleImportName_elementName;
mangleImportName_elementName = (<StringLiteralExpression>arg).value;
if (args.length > 2) {
program.error(
DiagnosticCode.Expected_0_arguments_but_got_1,
decorator.range, "2", args.length.toString()
);
}
} else {
program.error(
DiagnosticCode.String_literal_expected,
arg.range
);
}
}
} else {
program.error(
DiagnosticCode.String_literal_expected,
arg.range
);
}
} else {
program.error(
DiagnosticCode.Expected_at_least_0_arguments_but_got_1,
decorator.range, "1", "0"
);
}
}
var mangleImportName_moduleName: string;
var mangleImportName_elementName: string;