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Add more AST lowerings for trivial kinds

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This includes AST lowering for DebuggerStatements and ConditionalExpressions,
both of which are straightforward boilerplate mappings.
This commit is contained in:
joeduffy 2017-01-02 16:44:51 -08:00
parent e8e031f97c
commit ca124ea3a6
1 changed files with 12 additions and 3 deletions
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15
tools/mujs/lib/compiler/transform.ts
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@ -392,7 +392,11 @@ function transformBlock(node: ts.Block): ast.Block {
}
function transformDebuggerStatement(node: ts.DebuggerStatement): ast.Statement {
return contract.failf("NYI");
// The debugger statement in ECMAScript can be used to trip a breakpoint. We don't have the equivalent in Mu at
// the moment, so we simply produce an empty statement in its place.
return copyLocation(node, {
kind: ast.emptyStatementKind,
});
}
function transformEmptyStatement(node: ts.EmptyStatement): ast.EmptyStatement {
@ -537,8 +541,13 @@ function transformClassExpression(node: ts.ClassExpression): ast.Expression {
return contract.failf("NYI");
}
function transformConditionalExpression(node: ts.ConditionalExpression): ast.Expression {
return contract.failf("NYI");
function transformConditionalExpression(node: ts.ConditionalExpression): ast.ConditionalExpression {
return copyLocation(node, {
kind: ast.conditionalExpressionKind,
condition: transformExpression(node.condition),
consequent: transformExpression(node.whenTrue),
alternate: transformExpression(node.whenFalse),
});
}
function transformDeleteExpression(node: ts.DeleteExpression): ast.Expression {