style(iwyu): add all missing includes found by the tool

Signed-off-by: Ingo Müller <ingomueller@google.com>

Author: ingomueller-net

export/planloader/planloader.cpp

@@ -2,7 +2,13 @@
 
 #include "planloader.h"
 
+#include <absl/status/status.h>
+#include <absl/status/statusor.h>
+#include <substrait/proto/plan.pb.h>
+
+#include <cstring>
 #include <limits>
+#include <string>
 
 #include "substrait/common/Io.h"
 

export/planloader/planloader.h

@@ -1,5 +1,7 @@
 /* SPDX-License-Identifier: Apache-2.0 */
 
+#include <stdint.h>
+
 #include "substrait/common/Io.h"
 
 extern "C" {

export/planloader/tests/PlanLoaderTest.cpp

@@ -2,11 +2,13 @@
 
 #include "../planloader.h"
 
-#include <gmock/gmock-matchers.h>
+#include <gmock/gmock.h>
 #include <gtest/gtest.h>
 #include <substrait/proto/plan.pb.h>
 
-#include <functional>
+#include <string>
+
+#include "substrait/common/Io.h"
 
 namespace io::substrait::textplan {
 namespace {

include/substrait/common/Exceptions.h

@@ -2,10 +2,12 @@
 
 #pragma once
 
+#include <fmt/core.h>
 #include <fmt/format.h>
+#include <stddef.h>
 
-#include <memory>
-#include <utility>
+#include <exception>
+#include <string>
 
 namespace io::substrait::common {
 namespace error_code {

include/substrait/common/Io.h

@@ -2,6 +2,8 @@
 
 #pragma once
 
+#include <absl/log/absl_check.h>
+#include <absl/status/status.h>
 #include <absl/status/statusor.h>
 #include <substrait/proto/plan.pb.h>
 

include/substrait/expression/DecimalLiteral.h

@@ -4,6 +4,7 @@
 
 #include <cstdint>
 #include <string>
+#include <utility>
 
 namespace substrait::proto {
 class Expression_Literal_Decimal;

include/substrait/function/Extension.h

@@ -8,8 +8,6 @@
 #include <vector>
 
 #include "substrait/function/Function.h"
-#include "substrait/function/FunctionSignature.h"
-#include "substrait/type/Type.h"
 
 namespace io::substrait {
 

include/substrait/function/Function.h

@@ -2,7 +2,10 @@
 
 #pragma once
 
+#include <memory>
 #include <optional>
+#include <string>
+#include <vector>
 
 #include "substrait/function/FunctionSignature.h"
 #include "substrait/type/Type.h"

include/substrait/function/FunctionLookup.h

@@ -2,7 +2,12 @@
 
 #pragma once
 
+#include <memory>
+#include <string>
+#include <utility>
+
 #include "substrait/function/Extension.h"
+#include "substrait/function/Function.h"
 #include "substrait/function/FunctionSignature.h"
 
 namespace io::substrait {

include/substrait/type/Type.h

@@ -2,9 +2,10 @@
 
 #pragma once
 
-#include <iostream>
+#include <stdint.h>
+
 #include <memory>
-#include <unordered_map>
+#include <string>
 #include <utility>
 #include <vector>