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more general gc hooks?

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This commit is contained in:
dcode
2019-03-21 10:44:14 +01:00
parent 658a380786
commit 3fc9f550ad
13 changed files with 200 additions and 181 deletions
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9
src/builtins.ts
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@ -4287,13 +4287,12 @@ export function compileBuiltinArraySetWithValue(
}
}
// handle Array<Ref>: value = LINK<T, TArray>(value, this)
// handle Array<Ref>: value = RETAIN<T, TArray>(value, this)
if (isManaged) {
let program = compiler.program;
let linkPrototype = assert(program.linkPrototype);
let linkInstance = compiler.resolver.resolveFunction(linkPrototype, [ type, target.type ]);
if (!linkInstance) return module.createUnreachable();
valueExpr = compiler.makeCallInlinePrechecked(linkInstance, [
let retainInstance = compiler.resolver.resolveFunction(assert(program.retainPrototype), [ type, target.type ]);
if (!retainInstance) return module.createUnreachable();
valueExpr = compiler.makeCallInlinePrechecked(retainInstance, [
valueExpr,
module.createGetLocal(assert(tempThis).index, nativeSizeType)
], 0, true);

3
src/common.ts
View File

@ -187,7 +187,8 @@ export namespace LibrarySymbols {
export const REALLOCATE = "REALLOCATE";
export const DISCARD = "DISCARD";
export const REGISTER = "REGISTER";
export const LINK = "LINK";
export const RETAIN = "RETAIN";
export const RELEASE = "RELEASE";
export const WRAPARRAY = "WRAPARRAY";
// other
export const length = "length";

18
src/compiler.ts
View File

@ -4870,16 +4870,16 @@ export class Compiler extends DiagnosticEmitter {
let program = this.program;
let tempThis: Local | null = null;
if (type.isManaged(program) && thisType.isManaged(program)) {
let linkInstance = this.resolver.resolveFunction(assert(program.linkPrototype), [ type, thisType ]);
if (!linkInstance) {
let retainInstance = this.resolver.resolveFunction(assert(program.retainPrototype), [ type, thisType ]);
if (!retainInstance) {
this.currentType = tee ? type : Type.void;
return module.createUnreachable();
}
tempThis = this.currentFlow.getTempLocal(thisType, false);
// this = (tempThis = this)
thisExpr = module.createTeeLocal(tempThis.index, thisExpr);
// value = LINK(value, tempThis)
valueWithCorrectType = this.makeCallInlinePrechecked(linkInstance, [
// value = RETAIN(value, tempThis)
valueWithCorrectType = this.makeCallInlinePrechecked(retainInstance, [
valueWithCorrectType,
module.createGetLocal(tempThis.index, this.options.nativeSizeType)
], 0, true);
@ -6795,8 +6795,8 @@ export class Compiler extends DiagnosticEmitter {
)
);
var isManaged = elementType.isManaged(program) && arrayType.isManaged(program);
var linkInstance = isManaged
? this.resolver.resolveFunction(assert(program.linkPrototype), [ elementType, arrayType ])
var retainInstance = isManaged
? this.resolver.resolveFunction(assert(program.retainPrototype), [ elementType, arrayType ])
: null;
for (let i = 0, alignLog2 = elementType.alignLog2; i < length; ++i) {
let valueExpression = expressions[i];
@ -6804,11 +6804,11 @@ export class Compiler extends DiagnosticEmitter {
? this.compileExpression(valueExpression, elementType, ConversionKind.IMPLICIT, WrapMode.NONE)
: elementType.toNativeZero(module);
if (isManaged) {
if (!linkInstance) {
if (!retainInstance) {
valueExpr = module.createUnreachable();
} else {
// value = LINK(value, tempThis)
valueExpr = this.makeCallInlinePrechecked(linkInstance, [
// value = RETAIN(value, tempThis)
valueExpr = this.makeCallInlinePrechecked(retainInstance, [
valueExpr,
module.createGetLocal(tempThis.index, nativeArrayType)
], 0, true);

14
src/program.ts
View File

@ -364,8 +364,10 @@ export class Program extends DiagnosticEmitter {
discardInstance: Function | null = null;
/** Runtime register function. */
registerPrototype: FunctionPrototype | null = null;
/** Runtime link function. */
linkPrototype: FunctionPrototype | null = null;
/** Runtime retain function. */
retainPrototype: FunctionPrototype | null = null;
/** Runtime release function. */
releasePrototype: FunctionPrototype | null = null;
/** Runtime wrap array function. */
wrapArrayPrototype: FunctionPrototype | null = null;
@ -828,9 +830,13 @@ export class Program extends DiagnosticEmitter {
assert(element.kind == ElementKind.FUNCTION_PROTOTYPE);
this.registerPrototype = <FunctionPrototype>element;
}
if (element = this.lookupGlobal(LibrarySymbols.LINK)) {
if (element = this.lookupGlobal(LibrarySymbols.RETAIN)) {
assert(element.kind == ElementKind.FUNCTION_PROTOTYPE);
this.linkPrototype = <FunctionPrototype>element;
this.retainPrototype = <FunctionPrototype>element;
}
if (element = this.lookupGlobal(LibrarySymbols.RELEASE)) {
assert(element.kind == ElementKind.FUNCTION_PROTOTYPE);
this.releasePrototype = <FunctionPrototype>element;
}
if (element = this.lookupGlobal(LibrarySymbols.WRAPARRAY)) {
assert(element.kind == ElementKind.FUNCTION_PROTOTYPE);