[REF] compiler: factorize a common pattern

This commit is contained in:
Géry Debongnie
2021-12-23 09:49:17 +01:00
committed by Samuel Degueldre
parent 5b1132f01a
commit 3945c009ed
+17 -28
View File
@@ -287,6 +287,18 @@ export class CodeGenerator {
return code;
}
compileInNewTarget(prefix: string, ast: AST, ctx: Context): string {
const name = this.generateId(prefix);
const initialTarget = this.target;
const target = new CodeTarget(name);
this.targets.push(target);
this.target = target;
const subCtx: Context = createContext(ctx);
this.compileAST(ast, subCtx);
this.target = initialTarget;
return name;
}
addLine(line: string) {
this.target.addLine(line);
}
@@ -296,10 +308,6 @@ export class CodeGenerator {
return prefix + this.ids[prefix];
}
generateBlockName(): string {
return `block${this.blocks.length + 1}`;
}
insertAnchor(block: BlockDescription) {
const tag = `block-child-${block.children.length}`;
const anchor = xmlDoc.createElement(tag);
@@ -966,15 +974,9 @@ export class CodeGenerator {
this.helpers.add("isBoundary").add("withDefault");
const expr = ast.value ? compileExpr(ast.value || "") : "null";
if (ast.body) {
const initialTarget = this.target;
this.helpers.add("LazyValue");
let name = this.generateId("value");
const fn = new CodeTarget(name);
this.targets.push(fn);
this.target = fn;
const subCtx: Context = createContext(ctx);
this.compileAST({ type: ASTType.Multi, content: ast.body }, subCtx);
this.target = initialTarget;
const bodyAst: AST = { type: ASTType.Multi, content: ast.body };
const name = this.compileInNewTarget("value", bodyAst, ctx);
let value = `new LazyValue(${name}, ctx, node)`;
value = ast.value ? (value ? `withDefault(${expr}, ${value})` : expr) : value;
this.addLine(`ctx[\`${ast.name}\`] = ${value};`);
@@ -1036,14 +1038,9 @@ export class CodeGenerator {
this.addLine(`const ${ctxStr} = capture(ctx);`);
}
let slotStr: string[] = [];
const initialTarget = this.target;
for (let slotName in ast.slots) {
let name = this.generateId("slot");
const slot = new CodeTarget(name);
this.targets.push(slot);
this.target = slot;
const subCtx: Context = createContext(ctx);
this.compileAST(ast.slots[slotName].content, subCtx);
const slotAst = ast.slots[slotName].content;
const name = this.compileInNewTarget("slot", slotAst, ctx);
const params = [`__render: ${name}, __ctx: ${ctxStr}`];
const scope = ast.slots[slotName].scope;
if (scope) {
@@ -1057,7 +1054,6 @@ export class CodeGenerator {
const slotInfo = `{${params.join(", ")}}`;
slotStr.push(`'${slotName}': ${slotInfo}`);
}
this.target = initialTarget;
slotDef = `{${slotStr.join(", ")}}`;
}
@@ -1142,14 +1138,7 @@ export class CodeGenerator {
}
if (ast.defaultContent) {
let name = this.generateId("defaultContent");
const slot = new CodeTarget(name);
this.targets.push(slot);
const initialTarget = this.target;
const subCtx: Context = createContext(ctx);
this.target = slot;
this.compileAST(ast.defaultContent, subCtx);
this.target = initialTarget;
const name = this.compileInNewTarget("defaultContent", ast.defaultContent, ctx);
blockString = `callSlot(ctx, node, key, ${slotName}, ${dynamic}, ${scope}, ${name})`;
} else {
if (dynamic) {