antlr · kaby76 · Jun 21, 2023 · Jun 21, 2023 · Jun 22, 2023 · Jun 23, 2023
diff --git a/.github/workflows/hosted.yml b/.github/workflows/hosted.yml
@@ -174,7 +174,6 @@ jobs:
           javascript,
           typescript,
           php,
-          python2,
           python3,
           # swift,
         ]
@@ -233,13 +232,6 @@ jobs:
       if: startswith(matrix.os, 'windows') && (matrix.target == 'cpp')
       uses: microsoft/setup-msbuild@v1.1
 
-    - name: Set up Python 2
-      if: matrix.target == 'python2'
-      uses: actions/setup-python@v4
-      with:
-        python-version: '2.x'
-        architecture: 'x64'
-
     - name: Set up Python 3
       if: matrix.target == 'python3'
       uses: actions/setup-python@v4
@@ -316,7 +308,6 @@ jobs:
         cd runtime-testsuite
         switch ("${{ matrix.target }}")
         {
-          python2 { mvn -X '-Dantlr-python2-exec="${{ env.pythonLocation }}\python.exe"' '-Dtest=python2.**' test }
           python3 { mvn -X '-Dantlr-python3-exec="${{ env.pythonLocation }}\python.exe"' '-Dtest=python3.**' test }
           default { mvn -X '-Dtest=${{ matrix.target }}.**' test }
         }
@@ -331,7 +322,6 @@ jobs:
 
         cd runtime-testsuite
         case ${{ matrix.target }} in
-          python2) mvn -X '-Dantlr-python2-exec=${{ env.pythonLocation }}/bin/python' '-Dtest=python2.**' test ;;
           python3) mvn -X '-Dantlr-python3-exec=${{ env.pythonLocation }}/bin/python' '-Dtest=python3.**' test ;;
           *) mvn -X '-Dtest=${{ matrix.target }}.**' test ;;
         esac

diff --git a/README.md b/README.md
@@ -75,7 +75,7 @@ ANTLR project lead and supreme dictator for life
 * [Official site](http://www.antlr.org/)
 * [Documentation](https://github.com/antlr/antlr4/blob/master/doc/index.md)
 * [FAQ](https://github.com/antlr/antlr4/blob/master/doc/faq/index.md)
-* [ANTLR code generation targets](https://github.com/antlr/antlr4/blob/master/doc/targets.md)<br>(Currently: Java, C#, Python2|3, JavaScript, Go, C++, Swift, Dart, PHP)
+* [ANTLR code generation targets](https://github.com/antlr/antlr4/blob/master/doc/targets.md)<br>(Currently: Java, C#, Python3, JavaScript, Go, C++, Swift, Dart, PHP)
 * [Java API](http://www.antlr.org/api/Java/index.html)
 * [ANTLR v3](http://www.antlr3.org/)
 * [v3 to v4 Migration, differences](https://github.com/antlr/antlr4/blob/master/doc/faq/general.md)

diff --git a/doc/IDEs.md b/doc/IDEs.md
@@ -1,5 +1,5 @@
 # Integrating ANTLR into Development Systems
 
-The Java target is the reference implementation mirrored by other targets. The following pages help you integrate ANTLR into development environments and build systems appropriate for your target language.  As of December 2016, we have Java, C#, Python 2, Python 3, JavaScript, Go, C++, and Swift targets.
+The Java target is the reference implementation mirrored by other targets. The following pages help you integrate ANTLR into development environments and build systems appropriate for your target language.  As of December 2016, we have Java, C#, Python 3, JavaScript, Go, C++, and Swift targets.
 
 The easiest thing is probably just to use an [ANTLR plug-in](http://www.antlr.org/tools.html) for your favorite development environment.
diff --git a/doc/antlr-project-testing.md b/doc/antlr-project-testing.md
@@ -56,7 +56,6 @@ In order to perform the tests on all target languages, the following tools shoul
 
 * dotnet
 * Node.js
-* Python 2
 * Python 3
 * Go
 * Swift

diff --git a/doc/python-target.md b/doc/python-target.md
@@ -2,17 +2,11 @@
 
 The examples from the ANTLR 4 book converted to Python are [here](https://github.com/jszheng/py3antlr4book).
 
-There are 2 Python targets: `Python2` and `Python3`. This is because there is only limited compatibility between those 2 versions of the language. Please refer to the [Python documentation](https://wiki.python.org/moin/Python2orPython3) for full details.
+There is ONE Python target: `Python3`. This is because there is only limited compatibility between those 2 versions of the language. Please refer to the [Python documentation](https://wiki.python.org/moin/Python3) for full details.
 
 How to create a Python lexer or parser?
 This is pretty much the same as creating a Java lexer or parser, except you need to specify the language target, for example:
 
-```
-$ antlr4 -Dlanguage=Python2 MyGrammar.g4
-```
-
-or
-
 ```
 $ antlr4 -Dlanguage=Python3 MyGrammar.g4
 ```
@@ -21,9 +15,8 @@ For a full list of antlr4 tool options, please visit the tool documentation page
 
 ## Where can I get the runtime?
 
-Once you've generated the lexer and/or parser code, you need to download the runtime. The Python runtimes are available from PyPI:
+Once you've generated the lexer and/or parser code, you need to download the runtime. The Python runtime are available from PyPI:
 
-* https://pypi.python.org/pypi/antlr4-python2-runtime/
 * https://pypi.python.org/pypi/antlr4-python3-runtime/
 
 The runtimes are provided in the form of source code, so no additional installation is required.

diff --git a/doc/releasing-antlr.md b/doc/releasing-antlr.md
@@ -103,9 +103,6 @@ java -cp ":/Users/parrt/.m2/repository/org/antlr/antlr4/4.13.0-SNAPSHOT/antlr4-4
 cd ~/antlr/code/antlr4/runtime/CSharp/src/Tree/Xpath
 java -cp ":/Users/parrt/.m2/repository/org/antlr/antlr4/4.13-0-SNAPSHOT/antlr4-4.13-0-SNAPSHOT-complete.jar:$CLASSPATH" org.antlr.v4.Tool -Dlanguage=CSharp XPathLexer.g4
 
-cd ~/antlr/code/antlr4/runtime/Python2/src/antlr4/xpath
-java -cp ":/Users/parrt/.m2/repository/org/antlr/antlr4/4.13-0-SNAPSHOT/antlr4-4.13-0-SNAPSHOT-complete.jar:$CLASSPATH" org.antlr.v4.Tool -Dlanguage=Python2 XPathLexer.g4
-
 cd ~/antlr/code/antlr4/runtime/Python3/tests/expr
 java -cp ":/Users/parrt/.m2/repository/org/antlr/antlr4/4.13-0-SNAPSHOT/antlr4-4.13-0-SNAPSHOT-complete.jar:$CLASSPATH" org.antlr.v4.Tool -Dlanguage=Python3 Expr.g4
 cd ~/antlr/code/antlr4/runtime/Python3/src/antlr4/xpath
@@ -317,7 +314,7 @@ nuget push Antlr4.Runtime.Standard.<version>.nupkg <your-key> -Source https://ww
 
 ### Python
 
-The Python targets get deployed with `twine` for Python 2 and 3.
+The Python target gets deployed with `twine` for Python 3.
 
 First, set up `~/.pypirc` with tight privileges:
 
@@ -343,16 +340,6 @@ password: xxx
 
 Then run the python build and upload:
 
-```bash
-cd ~/antlr/code/antlr4/runtime/Python2
-# assume you have ~/.pypirc set up
-pip install build twine
-python -m build
-twine upload dist/antlr4-python2-runtime-4.13.0.tar.gz
-```
-
-For Python 3 target, do
-
 ```bash
 cd ~/antlr/code/antlr4/runtime/Python3
 python -m build

diff --git a/doc/targets.md b/doc/targets.md
@@ -4,7 +4,7 @@ This page lists the available and upcoming ANTLR runtimes. Please note that you
 
 * [Java](java-target.md). The [ANTLR v4 book](http://pragprog.com/book/tpantlr2/the-definitive-antlr-4-reference) has a decent summary of the runtime library.  We have added a useful XPath feature since the book was printed that lets you select bits of parse trees. See [Runtime API](http://www.antlr.org/api/Java/index.html) and [Getting Started with ANTLR v4](getting-started.md)
 * [C#](csharp-target.md)
-* [Python](python-target.md) (2 and 3)
+* [Python](python-target.md) (3)
 * [JavaScript](javascript-target.md)
 * [TypeScript](typescript-target.md)
 * [Go](go-target.md)
@@ -17,7 +17,7 @@ This page lists the available and upcoming ANTLR runtimes. Please note that you
 
 New features generally appear in the Java target and then migrate to the other targets, but these other targets don't always get updated in the same overall tool release. This section tries to identify features added to Java that have not been added to the other targets.
 
-|Feature|Java|C&sharp;|Python2|Python3|JavaScript|Go|C++|Swift|PHP|Dart
-|---|---|---|---|---|---|---|---|---|---|---|
-|Ambiguous tree construction|4.5.1|-|-|-|-|-|-|-|-|-|
+|Feature|Java|C&sharp;|Python3|JavaScript|Go|C++|Swift|PHP|Dart
+|---|---|---|---|---|---|---|---|---|---|
+|Ambiguous tree construction|4.5.1|-|-|-|-|-|-|-|-|
 
diff --git a/pom.xml b/pom.xml
@@ -55,7 +55,7 @@
 		<developer>
 			<name>Eric Vergnaud</name>
 			<roles>
-				<role>Developer - JavaScript, C#, Python 2, Python 3</role>
+				<role>Developer - JavaScript, C#, Python 3</role>
 			</roles>
 		</developer>
 		<developer>

diff --git a/...estsuite/resources/org/antlr/v4/test/runtime/descriptors/ParserErrors/ExtraneousInput.txt b/...estsuite/resources/org/antlr/v4/test/runtime/descriptors/ParserErrors/ExtraneousInput.txt
@@ -28,5 +28,4 @@ Go
 JavaScript
 TypeScript
 PHP
-Python2
 Python3
diff --git a/...urces/org/antlr/v4/test/runtime/descriptors/Performance/DropLoopEntryBranchInLRRule_4.txt b/...urces/org/antlr/v4/test/runtime/descriptors/Performance/DropLoopEntryBranchInLRRule_4.txt
@@ -51,7 +51,6 @@ between X1 and X2 or between X3 and X4
 ;
 
 [skip]
-Python2
 Python3
 JavaScript
 TypeScript

diff --git a/...org/antlr/v4/test/runtime/descriptors/SemPredEvalParser/PredFromAltTestedInLoopBack_1.txt b/...org/antlr/v4/test/runtime/descriptors/SemPredEvalParser/PredFromAltTestedInLoopBack_1.txt
@@ -41,5 +41,4 @@ Go
 JavaScript
 TypeScript
 PHP
-Python2
 Python3
-Original file line number
+Diff line change
@@ Expand Up / @@ -28,5 +28,4 @@ Go @@
     JavaScript
     TypeScript
     PHP
-    Python2
     Python3