Integrate bash parser

docs/zograscope.md

@@ -19,6 +19,7 @@ LANGUAGE SUPPORT
 |-----------|-------------------------------------------------------------------
 |  C        | C11 and earlier with common extensions, but without K&R syntax
 |  C++      | C++14 and earlier with common extensions
+|  Bash     | Not targeting a specific version
 |  GNU Make | Most of the syntax
 |  Lua      | Version 5.3
 
@@ -56,6 +57,11 @@ Note the following:
 
  * the tuning of comparison is in progress and will be refined over time
 
+Bash
+----
+
+The source of the grammar doesn't explicitly specify the version.
+
 GNU Make
 --------
 

docs/zs-diff.md

@@ -86,6 +86,9 @@ Makefile.am   diff=zs-diff
 Makefile.win  diff=zs-diff
 
 *.lua         diff=zs-diff
+
+*.bash        diff=zs-diff
+*.sh          diff=zs-diff
 ```
 
 This will make it work for `git diff` and `git show`, but `git log` and other

man/zograscope.7

@@ -15,7 +15,7 @@
 . ftr VB CB
 . ftr VBI CBI
 .\}
-.TH "zograscope" "7" "July 30, 2022" "" ""
+.TH "zograscope" "7" "July 31, 2022" "" ""
 .hy
 .SH NAME
 .PP
@@ -52,6 +52,11 @@ T}@T{
 C++14 and earlier with common extensions
 T}
 T{
+Bash
+T}@T{
+Not targeting a specific version
+T}
+T{
 GNU Make
 T}@T{
 Most of the syntax
@@ -95,6 +100,9 @@ parser that wasn\[cq]t that hard to integrate.
 Note the following:
 .IP \[bu] 2
 the tuning of comparison is in progress and will be refined over time
+.SS Bash
+.PP
+The source of the grammar doesn\[cq]t explicitly specify the version.
 .SS GNU Make
 .PP
 It\[cq]s hard to measure level of support in case of GNU Make, because

man/zs-diff.1

@@ -14,7 +14,7 @@
 . ftr VB CB
 . ftr VBI CBI
 .\}
-.TH "zs-diff" "1" "July 30, 2022" "" ""
+.TH "zs-diff" "1" "July 31, 2022" "" ""
 .hy
 .SH NAME
 .PP
@@ -99,6 +99,9 @@ Makefile.am   diff=zs-diff
 Makefile.win  diff=zs-diff
 
 *.lua         diff=zs-diff
+
+*.bash        diff=zs-diff
+*.sh          diff=zs-diff
 \f[R]
 .fi
 .PP

src/Language.cpp

@@ -30,6 +30,7 @@
 #include "c/C11Language.hpp"
 #include "make/MakeLanguage.hpp"
 #include "srcml/cxx/SrcmlCxxLanguage.hpp"
+#include "ts/bash/TSBashLanguage.hpp"
 #include "ts/lua/TSLuaLanguage.hpp"
 #include "tree.hpp"
 
@@ -65,6 +66,9 @@ Language::create(const std::string &fileName, const std::string &l)
     if (lang == "cxx") {
         return std::unique_ptr<SrcmlCxxLanguage>(new SrcmlCxxLanguage());
     }
+    if (lang == "bash") {
+        return std::unique_ptr<TsBashLanguage>(new TsBashLanguage());
+    }
     if (lang == "lua") {
         return std::unique_ptr<TsLuaLanguage>(new TsLuaLanguage());
     }
@@ -108,6 +112,9 @@ simplifyLanguage(const std::string &lang)
     if (lang == "srcml:cxx") {
         return "cxx";
     }
+    if (lang == "ts:bash") {
+        return "bash";
+    }
     if (lang == "ts:lua") {
         return "lua";
     }
@@ -131,6 +138,10 @@ detectLanguage(const std::string &stem, const std::string &ext)
         return "lua";
     }
 
+    if (ext == ".sh" || ext == ".bash") {
+        return "bash";
+    }
+
     using boost::algorithm::ends_with;
     if (ends_with(stem, "makefile") || ext == ".mk" || ext == ".mak") {
         return "make";

src/tooling/common.cpp

@@ -134,7 +134,7 @@ parseOptions(const std::vector<std::string> &args,
         ("color",       "force colorization of output")
         ("lang",        po::value<std::string>()->value_name("name")
                                                 ->default_value({}),
-                        "force specific language (c, cxx, make, lua)");
+                        "force specific language (c, cxx, bash, lua, make)");
 
     po::options_description allOptions;
     allOptions.add(options).add(hiddenOpts);