Support disallow_array_literal (#119)

* Support `disallow_array_literal`

* Enable strict options that introduce test failures

* Require HHVM 4.25 for HHI support of array_literal

* Test on composer.json version of hhvm

.hhconfig

@@ -9,4 +9,5 @@ enable_experimental_tc_features=shape_field_check,sealed_classes
 user_attributes=
 disable_primitive_refinement=true
 disallow_stringish_magic=true
+disallow_array_literal = true
 disallow_silence = true

.travis.yml

@@ -2,7 +2,7 @@ sudo: required
 language: generic
 services: docker
 env:
-- HHVM_VERSION=4.13-latest
+- HHVM_VERSION=4.25-latest
 - HHVM_VERSION=latest
 - HHVM_VERSION=nightly
 install:

composer.json

@@ -3,7 +3,7 @@
     "description": "Hack Codegen is a library for programatically generating Hack code",
     "keywords": ["code generation", "Hack"],
     "require": {
-        "hhvm": "^4.13.0",
+        "hhvm": "^4.25",
         "hhvm/hhvm-autoload": "^2.0",
         "hhvm/hsl": "^4.0"
     },

examples/dorm/CodegenDorm.php

@@ -184,7 +184,7 @@ private function getGetters(): Vector<CodegenMethod> {
   }
 
   private function getDatabaseRowShape(): CodegenShape {
-    $db_fields = array();
+    $db_fields = varray[];
     foreach ($this->schema->getFields() as $field) {
       $type = $field->getType();
       if ($type === \DateTime::class) {

src/CodegenClassish.hack

@@ -380,7 +380,7 @@ abstract class CodegenClassish implements ICodeBuilderRenderer {
     $generated_from =
       $this->generatedFrom ? $this->generatedFrom->render() : null;
 
-    $doc_block_parts = \array_filter(array($this->docBlock, $generated_from));
+    $doc_block_parts = \array_filter(varray[$this->docBlock, $generated_from]);
 
     if ($doc_block_parts) {
       $builder->addDocBlock(\implode("\n\n", $doc_block_parts));

src/CodegenFile.hack

@@ -463,7 +463,7 @@ final class CodegenFile {
   private function loadExistingFiles(): ?string {
     $file_names = $this->otherFileNames;
     $file_names[] = $this->fileName;
-    $all_content = array();
+    $all_content = varray[];
     foreach ($file_names as $file_name) {
       if (\file_exists($file_name)) {
         $content = Filesystem::readFile($file_name);

src/HackfmtFormatter.hack

@@ -21,7 +21,7 @@ final class HackfmtFormatter implements ICodegenFormatter {
     string $code,
     string $_file_name,
   ): string {
-    $output = array();
+    $output = varray[];
     $exit_code = null;
 
     $tempnam = \tempnam(

src/PartiallyGeneratedCode.hack

@@ -55,7 +55,7 @@ final class PartiallyGeneratedCode {
     string $existing_code,
     ?KeyedContainer<string, Traversable<string>> $rekeys = null,
   ): string {
-    $merged = array();
+    $merged = varray[];
     $existing = $this->extractManualCode($existing_code);
     $generated = $this->iterateCodeSections($this->code);
     foreach ($generated as $section) {
@@ -110,7 +110,7 @@ final class PartiallyGeneratedCode {
    * Extract the generated code and returns it as a string.
    */
   public function extractGeneratedCode(): string {
-    $generated = array();
+    $generated = varray[];
     foreach ($this->iterateCodeSections($this->code) as $section) {
       list($id, $chunk) = $section;
       if ($id === null) {
@@ -146,12 +146,12 @@ final class PartiallyGeneratedCode {
 
     $seen_ids = keyset[];
     $current_id = null;
-    $chunk = array();
+    $chunk = varray[];
     $lines = \explode("\n", $code);
     foreach ($lines as $line) {
       if (\strpos($line, self::$manualEnd) !== false) {
         yield tuple($current_id, \implode("\n", $chunk));
-        $chunk = array($line);
+        $chunk = varray[$line];
         $current_id = null;
 
       } else if (\preg_match($begin, $line) === 1) {
@@ -168,7 +168,7 @@ final class PartiallyGeneratedCode {
 
         $chunk[] = $line;
         yield tuple(null, \implode("\n", $chunk));
-        $chunk = array();
+        $chunk = varray[];
         $current_id = \trim(\preg_replace($begin, '\\1', $line));
 
         if (C\contains($seen_ids, $current_id)) {

tests/CodegenPropertyTest.hack

@@ -55,7 +55,7 @@ final class CodegenPropertyTest extends CodegenBaseTest {
       ->codegenProperty('languages')
       ->setIsStatic()
       ->setValue(
-        array('en' => 'English', 'es' => 'Spanish', 'fr' => 'French'),
+        darray['en' => 'English', 'es' => 'Spanish', 'fr' => 'French'],
         HackBuilderValues::export(),
       )
       ->render();

tests/HackBuilderTest.hack

@@ -274,7 +274,7 @@ $del."extends SomeBaseClass",
       ->startIfBlock('$do_that')
       ->add('return ')
       ->addValue(
-        array(1, 2, 3),
+        varray[1, 2, 3],
         HackBuilderValues::valueArray(HackBuilderValues::export()),
       )
       ->closeStatement()
@@ -286,9 +286,9 @@ $del."extends SomeBaseClass",
   public function testSwitchBodyWithReturnsInCaseAndDefault(): void {
     // Gosh, I have no idea what names of football shots are!
     $players = Vector {
-      array('name' => 'Ronaldo', 'favorite_shot' => 'freeKick'),
-      array('name' => 'Messi', 'favorite_shot' => 'slideKick'),
-      array('name' => 'Maradona', 'favorite_shot' => 'handOfGod'),
+      darray['name' => 'Ronaldo', 'favorite_shot' => 'freeKick'],
+      darray['name' => 'Messi', 'favorite_shot' => 'slideKick'],
+      darray['name' => 'Maradona', 'favorite_shot' => 'handOfGod'],
     };
 
     $body = $this
@@ -313,9 +313,9 @@ $del."extends SomeBaseClass",
   public function testSwitchBodyWithBreaksInCaseAndDefault(): void {
     // Gosh, I have no idea what names of football shots are!
     $players = Vector {
-      array('name' => 'Ronaldo', 'favorite_shot' => 'freeKick'),
-      array('name' => 'Messi', 'favorite_shot' => 'slideKick'),
-      array('name' => 'Maradona', 'favorite_shot' => 'handOfGod'),
+      darray['name' => 'Ronaldo', 'favorite_shot' => 'freeKick'],
+      darray['name' => 'Messi', 'favorite_shot' => 'slideKick'],
+      darray['name' => 'Maradona', 'favorite_shot' => 'handOfGod'],
     };
 
     $body = $this
@@ -340,9 +340,9 @@ $del."extends SomeBaseClass",
   public function testSwitchBodyWithMultipleCasesWithoutBreaks(): void {
     // Gosh, I have no idea what names of football shots are!
     $players = Vector {
-      array('name' => 'Ronaldo', 'favorite_shot' => 'freeKick'),
-      array('name' => 'Messi', 'favorite_shot' => 'slideKick'),
-      array('name' => 'Maradona', 'favorite_shot' => 'handOfGod'),
+      darray['name' => 'Ronaldo', 'favorite_shot' => 'freeKick'],
+      darray['name' => 'Messi', 'favorite_shot' => 'slideKick'],
+      darray['name' => 'Maradona', 'favorite_shot' => 'handOfGod'],
     };
 
     $body = $this