Simple script for using antlr4

antlr4

#!/bin/sh

set -eu

VERSION="4.10.1"

JAR_DIR="/tmp/antlr4"

if [ ! -d "$JAR_DIR" ]; then
  mkdir -p "$JAR_DIR"
fi

JAR_FILE="${JAR_DIR}/antlr-${VERSION}-complete.jar"

if [ ! -f "$JAR_FILE" ]; then
  curl -L "https://www.antlr.org/download/antlr-${VERSION}-complete.jar" -o "${JAR_FILE}"
fi

CLASSPATH=".:${JAR_FILE}"
java -Xmx500M -cp "${JAR_FILE}:$CLASSPATH" org.antlr.v4.Tool $@

antlr4java

#!/bin/sh

set -eu

VERSION="4.10.1"

JAR_DIR="/tmp/antlr4"

if [ ! -d "$JAR_DIR" ]; then
  mkdir -p "$JAR_DIR"
fi

JAR_FILE="${JAR_DIR}/antlr-${VERSION}-complete.jar"

if [ ! -f "$JAR_FILE" ]; then
  curl -L "https://www.antlr.org/download/antlr-${VERSION}-complete.jar" -o "${JAR_FILE}"
fi

CLASSPATH=".:${JAR_FILE}"
javac -cp "$CLASSPATH" $@

grun

#!/bin/sh

set -eux

VERSION="4.10.1"

JAR_DIR="/tmp/antlr4"

if [ ! -d "$JAR_DIR" ]; then
  mkdir -p "$JAR_DIR"
fi

JAR_FILE="${JAR_DIR}/antlr-${VERSION}-complete.jar"

if [ ! -f "$JAR_FILE" ]; then
  curl -L "https://www.antlr.org/download/antlr-${VERSION}-complete.jar" -o "${JAR_FILE}"
fi

CLASSPATH=".:${JAR_FILE}"
java -Xmx500M -cp "$CLASSPATH" org.antlr.v4.gui.TestRig $@

Download g4 files

$ mkdir tmp && cd tmp
$ curl -LO https://raw.githubusercontent.com/antlr/grammars-v4/master/kotlin/kotlin/KotlinLexer.g4
$ curl -LO https://raw.githubusercontent.com/antlr/grammars-v4/master/kotlin/kotlin/KotlinParser.g4
$ curl -LO https://raw.githubusercontent.com/antlr/grammars-v4/master/kotlin/kotlin/UnicodeClasses.g4

compile

$ antlr4 *.g4
$ antlr4javac *.java

download test file

$ curl -LO https://raw.githubusercontent.com/antlr/grammars-v4/master/kotlin/kotlin/examples/Test.kt

show tree cui

$ grun Kotlin kotlinFile -tree < Test.kt
(kotlinFile \n \n \n (preamble packageHeader importList) (topLevelObject (classDeclaration class (simpleIdentifier Foo) (classBody { \n \n (classMemberDeclaration (anonymousInitializer init (block { (statements (anysemi \n) (statement (blockLevelExpression (expression (disjunction (conjunction (equalityComparison (comparison (namedInfix (elvisExpression (infixFunctionCall (rangeExpression (additiveExpression (multiplicativeExpression (typeRHS (prefixUnaryExpression (postfixUnaryExpression (atomicExpression (simpleIdentifier foo)) (postfixUnaryOperation (callSuffix (valueArguments ( )))))))))))))))))))) (anysemi \n) (statement (declaration (propertyDeclaration val (variableDeclaration (simpleIdentifier c)) = (expression (disjunction (conjunction (equalityComparison (comparison (namedInfix (elvisExpre
...

show graph gui

$ grun Kotlin kotlinFile -gui < Test.kt