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Code Issues 198 Packages Projects Releases 10 Wiki Activity

Fix double unary minus (#697)

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Fix an issue where doubly unary minus (e.g. `--1`) on int/float literals are incorrectly
parsed as single unary minus.
This commit is contained in:
Josh B
2024-10-17 07:30:00 -07:00
committed by GitHub
parent 9b5c5a5c98
commit 62c796a257
5 changed files with 16 additions and 4 deletions
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pkl-core/src/main/java/org/pkl/core/ast/builder/AstBuilder.java
+4 -4
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@@ -1869,12 +1869,12 @@ public final class AstBuilder extends AbstractAstBuilder<Object> {
@Override
public ExpressionNode visitUnaryMinusExpr(UnaryMinusExprContext ctx) {
var childExpr = visitExpr(ctx.expr());
if (childExpr instanceof IntLiteralNode || childExpr instanceof FloatLiteralNode) {
// negation already handled in child expr (see corresponding code)
var childCtx = ctx.expr();
var childExpr = visitExpr(childCtx);
if (childCtx instanceof IntLiteralContext || childCtx instanceof FloatLiteralContext) {
// negation already handled (see visitIntLiteral/visitFloatLiteral)
return childExpr;
}
return UnaryMinusNodeGen.create(createSourceSection(ctx), childExpr);
}