[core] Add possibility of overriding paint properties inside format expression #14062

* [core] Add format override expression and formatted section to evaluation context

* [core] Add textColor to TaggedString's formatted section

* [core] Add FormatSectionOverrides and introduce overridable properties

* [core] Populate symbol layer paint properties for text sections

* [core] Add benchmark for style that uses text-color override

* [core] Add unit test for FormatOverrideExpression

* [core] Add unit test for FormatSectionOverrides

1 files changed, 25 insertions, 0 deletions

diff --git a/scripts/generate-style-code.js b/scripts/generate-style-code.js
index c002718038..ae25a856a8 100755
--- a/scripts/generate-style-code.js
+++ b/scripts/generate-style-code.js
@@ -19,6 +19,29 @@ global.isLightProperty = function (property) {
   return property['light-property'] === true;
 };
 
+global.isOverridable = function (property) {
+    return ['text-color'].includes(property.name);
+};
+
+global.expressionType = function (property) {
+    switch (property.type) {
+        case 'boolean':
+            return 'BooleanType';
+        case 'number':
+        case 'enum':
+            return 'NumberType';
+        case 'string':
+            return 'StringType';
+        case 'color':
+            return `ColorType`;
+        case 'formatted':
+            return `FormattedType`;
+        case 'array':
+            return `Array<${expressionType({type: property.value})}>`;
+        default: throw new Error(`unknown type for ${property.name}`)
+    }
+};
+
 global.evaluatedType = function (property) {
   if (/-translate-anchor$/.test(property.name)) {
     return 'TranslateAnchorType';
@@ -93,6 +116,8 @@ global.layoutPropertyType = function (property) {
 global.paintPropertyType = function (property, type) {
   switch (property['property-type']) {
     case 'data-driven':
+      if (isOverridable(property))
+          return `DataDrivenPaintProperty<${evaluatedType(property)}, ${attributeUniformType(property, type)}, true>`;
       return `DataDrivenPaintProperty<${evaluatedType(property)}, ${attributeUniformType(property, type)}>`;
     case 'cross-faded-data-driven':
       return `CrossFadedDataDrivenPaintProperty<${evaluatedType(property)}, ${attributeUniformType(property, type)}>`;