Initial commit.

LICENSE-ANTLR.txt

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+[The "BSD 3-clause license"]
+Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. Neither the name of the copyright holder nor the names of its contributors
+    may be used to endorse or promote products derived from this software
+    without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+=====
+
+MIT License for codepointat.js from https://git.io/codepointat
+MIT License for fromcodepoint.js from https://git.io/vDW1m
+
+Copyright Mathias Bynens <https://mathiasbynens.be/>
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

LICENSE-JLine.txt

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+Copyright (c) 2002-2016, the original author or authors.
+All rights reserved.
+
+http://www.opensource.org/licenses/bsd-license.php
+
+Redistribution and use in source and binary forms, with or
+without modification, are permitted provided that the following
+conditions are met:
+
+Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with
+the distribution.
+
+Neither the name of JLine nor the names of its contributors
+may be used to endorse or promote products derived from this
+software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+OF THE POSSIBILITY OF SUCH DAMAGE.
+

LICENSE-org.json.txt

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+============================================================================
+
+Copyright (c) 2002 JSON.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+The Software shall be used for Good, not Evil.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

LICENSE.txt

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+Copyright 2017 Stefan Irimescu and Ghislain Fourny
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+=======================================================================
+Sparksoniq Subcomponents:
+
+The Sparksoniq project contains subcomponents with separate copyright
+notices and license terms. Your use of the source code for the these
+subcomponents is subject to the terms and conditions of the following
+licenses.
+
+
+========================================================================
+For ANTLR v4
+========================================================================
+
+See license/LICENSE-ANTLR.txt
+
+========================================================================
+For JLine 3.0.2
+========================================================================
+
+See license/LICENSE-JLine.txt
+
+========================================================================
+For org.json
+========================================================================
+
+See license/LICENSE-org.json.txt
+
+========================================================================
+For Spark 1.6.2
+========================================================================
+
+See license/LICENSE-Spark.txt

NOTICE.txt

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+Sparksoniq was started in February 2017 at ETH Zurich as the Master's thesis of Stefan Irimescu, under the supervision of Ghislain Fourny and Gustavo Alonso.

README.md

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+Jsoniq on Spark
+
+CURRENT STATUS: 
+- Grammar, ANTLR generated parser + lexer, ANTLR generated AST;
+- Expression Tree 
+- Static Context (in scope variables only)
+- Runtime iterators
+- Working basic FLOWRs (for, let, where, return)
+
+Unsupported/Unimplemented features
+- prolog
+- modules
+- separate variable declarations
+- switch/if/try/catch/quantified expressions
+- string concat/cast/treat/instance of expressions
+- advanced object lookup/context expression/ {||} pairs
+
+FILES
+- pom.xml - Maven Build File;
+- build_antlr_parser.xml - ANT build File, generates Parser, Lexer, Tokens;
+- src/test/java/iq/frontend/FrontendTests.java - JUnit Tests for Parser
+- src/test/java/iq/frontend/RuntimeTests.java - JUnit Tests for local runtime iterators
+- src/test/java/iq/frontend/SparkRuntimeTests.java - JUnit Tests for spark runtime iterators
+
+SETUP
+- Requirements: maven, Spark (tested on 2.1.0), org.json parser
+- 1) Packaging (with requirements) - mvn clean compile assembly:single
+- 2) Tests:     - mvn -Dtest=FrontendTests test &&     - mvn -Dtest=RuntimeTests test && - mvn -Dtest=SparkRuntimeTests test

build_antlr_parser.xml

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+<project name="antlr-parser" default="generate-parser" basedir=".">
+
+    <!-- A very simple ant file that primarily existsrunLocal run cup and lex;
+    it also includes targets to build the compiler runLocal run tests for those
+    who would rather not use Eclipse -->
+
+    <!-- Set project properties. -->
+    <property name="src.dir" value="${basedir}/src/main/java/jiqs"/>
+    <property name="parser.dir" value="${src.dir}/jsoniq/compiler/parser"/>
+    <property name="antlr.jar" value="/usr/local/lib/antlr-4.6-complete.jar"/>
+
+
+    <target name="clean-parser">
+        <delete file="/jiqs/jsoniq/compiler/parser/Jsoniq.tokens"/>
+        <delete file="/jiqs/jsoniq/compiler/parser/JsoniqLexer.java"/>
+        <delete file="/jiqs/jsoniq/compiler/parser/JsoniqParser.java"/>
+        <delete file="/jiqs/jsoniq/compiler/parser/JsoniqBaseVisitor.java"/>
+        <delete file="/jiqs/jsoniq/compiler/parser/JsoniqVisitor.java"/>
+        <delete file="/jiqs/jsoniq/compiler/parser/JsoniqLexer.tokens"/>
+    </target>
+
+
+    <target name="generate-parser">
+        <echo message="ANTLR4 ${parser.dir}/Jsoniq.g4" level="info"/>
+        <echo>${basedir}</echo>
+        <java classname="org.antlr.v4.Tool" failonerror="true" classpath="${antlr.jar}">
+            <arg value="${parser.dir}/Jsoniq.g4" />
+            <arg value="-o" />
+            <arg value="${parser.dir}" />
+            <arg value="-no-listener" />
+            <arg value="-visitor" />
+        </java>
+    </target>
+
+
+</project>