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docs: fix typos in compiler API comments (#33977) 

PR Close #33977
This commit is contained in:
arturovt 2019-11-22 01:01:10 +02:00 committed by Matias Niemelä
parent 25dcc7631f
commit 9ba5344f3e
1 changed files with 4 additions and 4 deletions
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8
packages/compiler/src/compiler_util/expression_converter.ts
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@ -593,7 +593,7 @@ class _AstToIrVisitor implements cdAst.AstVisitor {
// an expression that guards the access to the member by checking the receiver for blank. As
// execution proceeds from left to right, the left most part of the expression must be guarded
// first but, because member access is left associative, the right side of the expression is at
// the top of the AST. The desired result requires lifting a copy of the the left part of the
// the top of the AST. The desired result requires lifting a copy of the left part of the
// expression up to test it for blank before generating the unguarded version.
// Consider, for example the following expression: a?.b.c?.d.e
@ -673,10 +673,10 @@ class _AstToIrVisitor implements cdAst.AstVisitor {
return convertToStatementIfNeeded(mode, condition.conditional(o.literal(null), access));
}
// Given a expression of the form a?.b.c?.d.e the the left most safe node is
// Given an expression of the form a?.b.c?.d.e then the left most safe node is
// the (a?.b). The . and ?. are left associative thus can be rewritten as:
// ((((a?.c).b).c)?.d).e. This returns the most deeply nested safe read or
// safe method call as this needs be transform initially to:
// safe method call as this needs to be transformed initially to:
// a == null ? null : a.c.b.c?.d.e
// then to:
// a == null ? null : a.b.c == null ? null : a.b.c.d.e
@ -768,7 +768,7 @@ class _AstToIrVisitor implements cdAst.AstVisitor {
* show where the span is within the overall source file.
*
* @param span the relative span to convert.
* @returns a `ParseSourceSpan` for the the given span or null if no
* @returns a `ParseSourceSpan` for the given span or null if no
* `baseSourceSpan` was provided to this class.
*/
private convertSourceSpan(span: cdAst.ParseSpan) {