X-Git-Url: http://plrg.eecs.uci.edu/git/?p=folly.git;a=blobdiff_plain;f=folly%2FFormat.cpp;h=aed192bfac142dd36ad4a4b762256c42cedb002d;hp=bbcd2d004dec69f155331f26652c8ab3d963e616;hb=afde52ff7655ba79759eafdbee14b3fe47428fce;hpb=6d7c6d55f0f4b7b75607608ef9037db58083368f

diff --git a/folly/Format.cpp b/folly/Format.cpp
index bbcd2d00..aed192bf 100644
--- a/folly/Format.cpp
+++ b/folly/Format.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2012-present Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -179,7 +179,9 @@ void FormatArg::initSlow() {
 
   if (*p == ':') {
     // parse format spec
-    if (++p == end) return;
+    if (++p == end) {
+      return;
+    }
 
     // fill/align, or just align
     Align a;
@@ -189,30 +191,40 @@ void FormatArg::initSlow() {
       fill = *p;
       align = a;
       p += 2;
-      if (p == end) return;
+      if (p == end) {
+        return;
+      }
     } else if ((a = formatAlignTable[static_cast<unsigned char>(*p)]) !=
                Align::INVALID) {
       align = a;
-      if (++p == end) return;
+      if (++p == end) {
+        return;
+      }
     }
 
     Sign s;
     unsigned char uSign = static_cast<unsigned char>(*p);
     if ((s = formatSignTable[uSign]) != Sign::INVALID) {
       sign = s;
-      if (++p == end) return;
+      if (++p == end) {
+        return;
+      }
     }
 
     if (*p == '#') {
       basePrefix = true;
-      if (++p == end) return;
+      if (++p == end) {
+        return;
+      }
     }
 
     if (*p == '0') {
       enforce(align == Align::DEFAULT, "alignment specified twice");
       fill = '0';
       align = Align::PAD_AFTER_SIGN;
-      if (++p == end) return;
+      if (++p == end) {
+        return;
+      }
     }
 
     auto readInt = [&] {
@@ -227,20 +239,30 @@ void FormatArg::initSlow() {
       width = kDynamicWidth;
       ++p;
 
-      if (p == end) return;
+      if (p == end) {
+        return;
+      }
 
-      if (*p >= '0' && *p <= '9') widthIndex = readInt();
+      if (*p >= '0' && *p <= '9') {
+        widthIndex = readInt();
+      }
 
-      if (p == end) return;
+      if (p == end) {
+        return;
+      }
     } else if (*p >= '0' && *p <= '9') {
       width = readInt();
 
-      if (p == end) return;
+      if (p == end) {
+        return;
+      }
     }
 
     if (*p == ',') {
       thousandsSeparator = true;
-      if (++p == end) return;
+      if (++p == end) {
+        return;
+      }
     }
 
     if (*p == '.') {
@@ -258,11 +280,15 @@ void FormatArg::initSlow() {
         trailingDot = true;
       }
 
-      if (p == end) return;
+      if (p == end) {
+        return;
+      }
     }
 
     presentation = *p;
-    if (++p == end) return;
+    if (++p == end) {
+      return;
+    }
   }
 
   error("extra characters in format string");
@@ -330,4 +356,15 @@ void insertThousandsGroupingUnsafe(char* start_buffer, char** end_buffer) {
 }
 } // namespace detail
 
+FormatKeyNotFoundException::FormatKeyNotFoundException(StringPiece key)
+    : std::out_of_range(kMessagePrefix.str() + key.str()) {}
+
+constexpr StringPiece const FormatKeyNotFoundException::kMessagePrefix;
+
+namespace detail {
+[[noreturn]] void throwFormatKeyNotFoundException(StringPiece key) {
+  throw FormatKeyNotFoundException(key);
+}
+} // namespace detail
+
 } // namespace folly