Add scripts to generate cypher parser

.gitignore

@@ -14,3 +14,9 @@ __pycache__/
 *$py.class
 cmake-build-debug/
 test/unittest_temp/
+
+# antlr4 jar
+scripts/antlr4/antlr4.jar
+
+# macOS
+.DS_Store

README.md

@@ -19,7 +19,7 @@ Kùzu is being actively developed at University of Waterloo as a feature-rich an
 ## Build
 To build from source code, Kùzu requires Cmake(>=3.11), Python 3, and a compiler that supports `C++20`.
 - Perform a full clean build without tests and benchmark:
-  - `make clean && make`
+  - `make clean && make release`
 - Perform a full clean build with tests and benchmark (optional):
   - `make clean && make all`
 - Run tests (optional):

scripts/antlr4/README.md

@@ -0,0 +1,2 @@
+# Antlr4 Parser
+To generate antlr4 parser, simply run `./generate_grammar.sh`

scripts/antlr4/generate_grammar.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+
+# the root directory of the project
+ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )/../../" >/dev/null 2>&1 && pwd )"
+
+# download antlr4.jar if not exists
+if [ ! -e antlr4.jar ]
+then
+    echo "Downloading antlr4.jar"
+    curl --url 'https://www.antlr.org/download/antlr-4.9-complete.jar'\
+         --output './antlr4.jar'
+fi
+
+# create the directory for the generated grammar
+mkdir -p ./generated
+
+# move grammar file to current directory
+cp $ROOT_DIR/src/antlr4/Cypher.g4 ./Cypher.g4
+
+# generate grammar
+java -jar antlr4.jar -Dlanguage=Cpp -no-visitor -no-listener Cypher.g4 -o ./generated
+
+# rename include path
+sed 's/#include "CypherLexer.h"/#include "cypher_lexer.h"/g' ./generated/CypherLexer.cpp > ./generated/cypher_lexer.cpp
+sed 's/#include "CypherParser.h"/#include "cypher_parser.h"/g' ./generated/CypherParser.cpp > ./generated/cypher_parser.cpp
+mv ./generated/CypherLexer.h ./generated/cypher_lexer.h
+mv ./generated/CypherParser.h ./generated/cypher_parser.h
+
+# move generated files to the right place
+mv ./generated/cypher_lexer.h $ROOT_DIR/third_party/antlr4_cypher/include/cypher_lexer.h
+mv ./generated/cypher_lexer.cpp $ROOT_DIR/third_party/antlr4_cypher/cypher_lexer.cpp
+mv ./generated/cypher_parser.h $ROOT_DIR/third_party/antlr4_cypher/include/cypher_parser.h
+mv ./generated/cypher_parser.cpp $ROOT_DIR/third_party/antlr4_cypher/cypher_parser.cpp
+
+# remove the generated directory
+rm -rf ./generated
+
+# remove the grammar file
+rm ./Cypher.g4

third_party/antlr4_cypher/cypher_lexer.cpp

@@ -1,5 +1,5 @@
 
-// Generated from src/antlr4/Cypher.g4 by ANTLR 4.9
+// Generated from Cypher.g4 by ANTLR 4.9
 
 
 #include "cypher_lexer.h"

third_party/antlr4_cypher/cypher_parser.cpp

@@ -1,5 +1,5 @@
 
-// Generated from src/antlr4/Cypher.g4 by ANTLR 4.9
+// Generated from Cypher.g4 by ANTLR 4.9
 
 
 

third_party/antlr4_cypher/include/cypher_lexer.h

@@ -1,5 +1,5 @@
 
-// Generated from src/antlr4/Cypher.g4 by ANTLR 4.9
+// Generated from Cypher.g4 by ANTLR 4.9
 
 #pragma once
 

third_party/antlr4_cypher/include/cypher_parser.h

@@ -1,5 +1,5 @@
 
-// Generated from src/antlr4/Cypher.g4 by ANTLR 4.9
+// Generated from Cypher.g4 by ANTLR 4.9
 
 #pragma once