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Detect unused variables

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This commit is contained in:
nora 2024-05-13 20:02:08 +02:00
parent f164aad631
commit 9270f52e6b
33 changed files with 340 additions and 63 deletions
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17
src/resolve.ts
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@ -92,7 +92,7 @@ function resolveModule(
contents.forEach((item) => {
const existing = items.get(item.name);
if (existing !== undefined) {
cx.gcx.error.emit(
cx.gcx.error.emitError(
new CompilerError(
`item \`${item.name}\` has already been declared`,
item.span,
@ -164,7 +164,7 @@ function resolveModule(
return {
kind: "error",
err: cx.gcx.error.emit(
err: cx.gcx.error.emitError(
new CompilerError(`cannot find ${ident.name}`, ident.span),
),
};
@ -179,18 +179,17 @@ function resolveModule(
switch (item.kind) {
case "function": {
const params = item.params.map(({ name, span, type }) => ({
name,
span,
const params = item.params.map(({ ident, type }) => ({
ident,
type: this.type(type),
}));
const returnType = item.returnType && this.type(item.returnType);
item.params.forEach(({ name }) => scopes.push(name));
item.params.forEach(({ ident: name }) => scopes.push(name.name));
const body = this.expr(item.body);
const revParams = item.params.slice();
revParams.reverse();
revParams.forEach(({ name }) => popScope(name));
revParams.forEach(({ ident: name }) => popScope(name.name));
return {
kind: "function",
@ -289,7 +288,7 @@ function resolveModule(
let pathRes: Resolution;
if (typeof expr.field.value === "number") {
const err: ErrorEmitted = cx.gcx.error.emit(
const err: ErrorEmitted = cx.gcx.error.emitError(
new CompilerError(
"module contents cannot be indexed with a number",
expr.field.span,
@ -304,7 +303,7 @@ function resolveModule(
);
if (pathResItem === undefined) {
const err: ErrorEmitted = cx.gcx.error.emit(
const err: ErrorEmitted = cx.gcx.error.emitError(
new CompilerError(
`module ${module.name} has no item ${expr.field.value}`,
expr.field.span,