src/binaryen/src/pretty_printing.h

   1 /*
   2  * Copyright 2015 WebAssembly Community Group participants
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 //
  18 // Pretty printing helpers
  19 //
  20
  21 #ifndef wasm_pretty_printing_h
  22 #define wasm_pretty_printing_h
  23
  24 #include <ostream>
  25
  26 #include "support/colors.h"
  27
  28 inline std::ostream &doIndent(std::ostream &o, unsigned indent) {
  29   for (unsigned i = 0; i < indent; i++) {
  30     o << " ";
  31   }
  32   return o;
  33 }
  34
  35 inline std::ostream &prepareMajorColor(std::ostream &o) {
  36   Colors::red(o);
  37   Colors::bold(o);
  38   return o;
  39 }
  40
  41 inline std::ostream &prepareColor(std::ostream &o) {
  42   Colors::magenta(o);
  43   Colors::bold(o);
  44   return o;
  45 }
  46
  47 inline std::ostream &prepareMinorColor(std::ostream &o) {
  48   Colors::orange(o);
  49   return o;
  50 }
  51
  52 inline std::ostream &restoreNormalColor(std::ostream &o) {
  53   Colors::normal(o);
  54   return o;
  55 }
  56
  57 inline std::ostream& printText(std::ostream &o, const char *str) {
  58   o << '"';
  59   Colors::green(o);
  60   o << str;
  61   Colors::normal(o);
  62   return o << '"';
  63 }
  64
  65 inline std::ostream& printOpening(std::ostream &o, const char *str, bool major=false) {
  66   o << '(';
  67   major ? prepareMajorColor(o) : prepareColor(o);
  68   o << str;
  69   restoreNormalColor(o);
  70   return o;
  71 }
  72
  73 inline std::ostream& printMinorOpening(std::ostream &o, const char *str) {
  74   o << '(';
  75   prepareMinorColor(o);
  76   o << str;
  77   restoreNormalColor(o);
  78   return o;
  79 }
  80
  81 #endif // wasm_pretty_printing_h