[web] Update the webpage

Summary: ^^

Reviewed By: hajduakos

Differential Revision: D61542376

fbshipit-source-id: b3e3b430cc349d681a59674d542b3a60849c6eae

Author: skcho

website/checkers.json

@@ -8,9 +8,9 @@
     "checker-inefficient-keyset-iterator", "checker-lineage",
     "checker-litho-required-props", "checker-liveness",
     "checker-loop-hoisting", "checker-parameter-not-null-checked",
-    "checker-printf-args", "checker-pulse", "checker-purity",
-    "checker-racerd", "checker-resource-leak-lab", "checker-sil-validation",
-    "checker-siof", "checker-scope-leakage", "checker-self-in-block",
-    "checker-starvation", "checker-topl"
+    "checker-pulse", "checker-purity", "checker-racerd",
+    "checker-resource-leak-lab", "checker-sil-validation", "checker-siof",
+    "checker-scope-leakage", "checker-self-in-block", "checker-starvation",
+    "checker-topl"
   ]
 }

website/docs/all-categories.md

@@ -50,6 +50,8 @@ Issue types in this category:
 The null pointer is used where a valid pointer is required, causing a memory fault and a crash. For example, it is dereferenced.
 
 Issue types in this category:
+- [BLOCK_PARAMETER_NOT_NULL_CHECKED](/docs/next/all-issue-types#block_parameter_not_null_checked)
+- [COMPARED_TO_NULL_AND_DEREFERENCED](/docs/next/all-issue-types#compared_to_null_and_dereferenced)
 - [NIL_BLOCK_CALL](/docs/next/all-issue-types#nil_block_call)
 - [NIL_BLOCK_CALL_LATENT](/docs/next/all-issue-types#nil_block_call_latent)
 - [NULLPTR_DEREFERENCE](/docs/next/all-issue-types#nullptr_dereference)
@@ -80,6 +82,7 @@ Issue types in this category:
 - [PULSE_UNNECESSARY_COPY_OPTIONAL](/docs/next/all-issue-types#pulse_unnecessary_copy_optional)
 - [PULSE_UNNECESSARY_COPY_OPTIONAL_CONST](/docs/next/all-issue-types#pulse_unnecessary_copy_optional_const)
 - [PULSE_UNNECESSARY_COPY_RETURN](/docs/next/all-issue-types#pulse_unnecessary_copy_return)
+- [PULSE_UNNECESSARY_COPY_THRIFT_ASSIGNMENT](/docs/next/all-issue-types#pulse_unnecessary_copy_thrift_assignment)
 - [REGEX_OP_ON_UI_THREAD](/docs/next/all-issue-types#regex_op_on_ui_thread)
 - [STRICT_MODE_VIOLATION](/docs/next/all-issue-types#strict_mode_violation)
 
@@ -149,6 +152,7 @@ Sensitive data is flowing where it shouldn't.
 
 Issue types in this category:
 - [DATA_FLOW_TO_SINK](/docs/next/all-issue-types#data_flow_to_sink)
+- [LINEAGE_FLOW](/docs/next/all-issue-types#lineage_flow)
 - [SCOPE_LEAKAGE](/docs/next/all-issue-types#scope_leakage)
 - [SENSITIVE_DATA_FLOW](/docs/next/all-issue-types#sensitive_data_flow)
 - [TAINT_ERROR](/docs/next/all-issue-types#taint_error)

website/docs/all-checkers.md

@@ -41,8 +41,6 @@ Computes the asymptotic complexity of functions with respect to execution cost o
 
 Detects when Android fragments are not explicitly nullified before becoming unreachable.
 
-**\*\*\*DEPRECATED\*\*\*** Unmaintained due to poor precision.
-
 [Visit here for more information.](/docs/next/checker-fragment-retains-view)
 
 ## Impurity
@@ -87,14 +85,6 @@ An Objective-C-specific analysis to detect when a block parameter is used before
 
 [Visit here for more information.](/docs/next/checker-parameter-not-null-checked)
 
-## `printf()` Argument Types
-
-Detect mismatches between the Java `printf` format strings and the argument types For example, this checker will warn about the type error in `printf("Hello %d", "world")`
-
-**\*\*\*DEPRECATED\*\*\*** Unmaintained.
-
-[Visit here for more information.](/docs/next/checker-printf-args)
-
 ## Pulse
 
 General-purpose memory and value analysis engine.

website/docs/all-issue-types.md

@@ -167,7 +167,7 @@ See [MEMORY_LEAK_C](#memory_leak_c).
 See [RETAIN_CYCLE](#retain_cycle).
 ## BLOCK_PARAMETER_NOT_NULL_CHECKED
 
-*Reported as "Block Parameter Not Null Checked" by [parameter-not-null-checked](/docs/next/checker-parameter-not-null-checked).*
+*Category: [Null pointer dereference](/docs/next/all-categories#null-pointer-dereference). Reported as "Block Parameter Not Null Checked" by [parameter-not-null-checked](/docs/next/checker-parameter-not-null-checked).*
 
 This error type is reported only in Objective-C/Objective-C++. It happens when a method has a block as a parameter,
 and the block is executed in the method's body without checking it for `nil` first. If a `nil` block is passed to
@@ -416,20 +416,11 @@ retain a useless reference to that `View` that will not be cleaned up until the
 
 Action: Nullify the `View` in question in `onDestroyView`.
 
-## CHECKERS_PRINTF_ARGS
+## COMPARED_TO_NULL_AND_DEREFERENCED
 
-*Reported as "Printf Args" by [printf-args](/docs/next/checker-printf-args).*
-
-This error is reported when the argument types to a `printf` method do not match the format string.
-
-```java
-  void stringInsteadOfInteger(PrintStream out) {
-    out.printf("Hello %d", "world");
-  }
-```
-
-Action: fix the mismatch between format string and argument types.
+*Category: [Null pointer dereference](/docs/next/all-categories#null-pointer-dereference). Reported as "Compared To Null And Dereferenced" by [pulse](/docs/next/checker-pulse).*
 
+A pointer that has both been compared to null, whcich suggests that it could be null, but has also been dereferenced without a null check.
 ## CONFIG_IMPACT
 
 *Category: [Perf regression](/docs/next/all-categories#perf-regression). Reported as "Config Impact" by [config-impact-analysis](/docs/next/checker-config-impact-analysis).*
@@ -995,6 +986,12 @@ A blocking `Binder` IPC call occurs on the UI thread.
 *Reported as "Lab Resource Leak" by [resource-leak-lab](/docs/next/checker-resource-leak-lab).*
 
 Toy issue.
+## LINEAGE_FLOW
+
+*Category: [Sensitive data flow](/docs/next/all-categories#sensitive-data-flow). Reported as "Lineage Flow" by [lineage](/docs/next/checker-lineage).*
+
+A Lineage taint flow has been detected from a source to a sink.
+
 ## LOCKLESS_VIOLATION
 
 *Reported as "Lockless Violation" by [starvation](/docs/next/checker-starvation).*
@@ -2207,6 +2204,13 @@ void caller(MyClass obj) {
 }
 ```
 
+## PULSE_UNNECESSARY_COPY_THRIFT_ASSIGNMENT
+
+*Category: [Perf regression](/docs/next/all-categories#perf-regression). Reported as "Unnecessary Copy Assignment into Thrift" by [pulse](/docs/next/checker-pulse).*
+
+This is similar to [PULSE_UNNECESSARY_COPY_ASSIGNMENT](#pulse_unnecessary_copy_assignment), but is
+reported when copied into thrift fields.
+
 ## PURE_FUNCTION
 
 *Reported as "Pure Function" by [purity](/docs/next/checker-purity).*

website/docs/checker-fragment-retains-view.md

@@ -5,8 +5,6 @@ description: "Detects when Android fragments are not explicitly nullified before
 
 Detects when Android fragments are not explicitly nullified before becoming unreachable.
 
-**\*\*\*DEPRECATED\*\*\*** Unmaintained due to poor precision.
-
 Activate with `--fragment-retains-view`.
 
 Supported languages:

website/docs/checker-impurity.md

@@ -11,7 +11,7 @@ Supported languages:
 - C/C++/ObjC: Experimental
 - C#/.Net: No
 - Erlang: No
-- Hack: No
+- Hack: Experimental
 - Java: Experimental
 - Python: No
 

website/docs/checker-lineage.md

@@ -15,3 +15,9 @@ Supported languages:
 - Java: No
 - Python: No
 
+
+
+## List of Issue Types
+
+The following issue types are reported by this checker:
+- [LINEAGE_FLOW](/docs/next/all-issue-types#lineage_flow)

website/docs/checker-printf-args.md

@@ -147,6 +147,7 @@ The following issue types are reported by this checker:
 - [BAD_RECORD_LATENT](/docs/next/all-issue-types#bad_record_latent)
 - [BAD_RETURN](/docs/next/all-issue-types#bad_return)
 - [BAD_RETURN_LATENT](/docs/next/all-issue-types#bad_return_latent)
+- [COMPARED_TO_NULL_AND_DEREFERENCED](/docs/next/all-issue-types#compared_to_null_and_dereferenced)
 - [CONFIG_USAGE](/docs/next/all-issue-types#config_usage)
 - [CONSTANT_ADDRESS_DEREFERENCE](/docs/next/all-issue-types#constant_address_dereference)
 - [CONSTANT_ADDRESS_DEREFERENCE_LATENT](/docs/next/all-issue-types#constant_address_dereference_latent)
@@ -202,6 +203,7 @@ The following issue types are reported by this checker:
 - [PULSE_UNNECESSARY_COPY_OPTIONAL](/docs/next/all-issue-types#pulse_unnecessary_copy_optional)
 - [PULSE_UNNECESSARY_COPY_OPTIONAL_CONST](/docs/next/all-issue-types#pulse_unnecessary_copy_optional_const)
 - [PULSE_UNNECESSARY_COPY_RETURN](/docs/next/all-issue-types#pulse_unnecessary_copy_return)
+- [PULSE_UNNECESSARY_COPY_THRIFT_ASSIGNMENT](/docs/next/all-issue-types#pulse_unnecessary_copy_thrift_assignment)
 - [RETAIN_CYCLE](/docs/next/all-issue-types#retain_cycle)
 - [RETAIN_CYCLE_NO_WEAK_INFO](/docs/next/all-issue-types#retain_cycle_no_weak_info)
 - [SENSITIVE_DATA_FLOW](/docs/next/all-issue-types#sensitive_data_flow)