Tags: patch


This patch adds fontification for the left-hand side of assignments in
typescript-ts-mode.

The object and/or property being assigned to is fontified with
`font-lock-variable-name-face` and/or `font-lock-property-name-face`,
while any other identifiers/properties on the left-hand side used in
index expressions are fontified with
`font-lock-variable-use-face`/`font-lock-property-use-face`.

For example, fontification is added in `typescript-ts-mode` for
identifiers in statements like the following:

    arr[obj.x * obj.x] = 1;
    //^ font-lock-variable-name-face
    //    ^ font-lock-variable-use-face
    //      ^ font-lock-property-use-face
    obj.x.y = 0;
    //^ font-lock-variable-name-face
    //  ^ font-lock-property-name-face
    //    ^ font-lock-property-name-face
    ++mat[x][arr[0]];
    // ^ font-lock-variable-name-face
    //        ^ font-lock-variable-use-face