Dave Jarvis' Repositories
git clone https://repo.autonoma.ca/repo/rxm.git
Migrating to ANTLR.
| Author | Dave Jarvis <email> |
|---|---|
| Date | 2015-02-28 18:19:22 GMT-0800 |
| Commit | 91d8f91e800642bd44966fb2ae5f775ebca2f28a |
| Parent | 3b2a66d |
| Delta | 25 lines added, 138 lines removed, 113-line decrease |
|---|
build.gradle
| +description = "Relational eXpression Map" | ||
| + | ||
| apply plugin: "java" | ||
| -apply plugin: "application" | ||
| sourceCompatibility = 1.8 | ||
 |
||
| } | ||
| } | ||
| + | ||
| +ext.antlr = [ | ||
| + grammarpackage: "com.whitemagicsoftware.rxm", | ||
| + antlrSource: 'source/grammar', | ||
| + destinationDir: "build" | ||
| +] | ||
| + | ||
| dependencies { | ||
| - compile fileTree( | ||
| - dir: 'lib', | ||
| - includes: ['*.jar'] | ||
| - ) | ||
| - compile files( "$buildDir" ) | ||
| + | ||
| + antlr "org.antlr:antlr4:4.5" | ||
| } | ||
| repositories { | ||
| - maven { | ||
| - url "https://maven.atlassian.com/repository/public/" | ||
| - } | ||
| - | ||
| - flatDir { | ||
| - dirs "lib" | ||
| - } | ||
| + mavenCentral() | ||
| } | ||
build.sh
| -#!/bin/bash | ||
| - | ||
| -echo "Requires bnfc v2.7.1 (or greater)" | ||
| - | ||
| -echo -n "bnfc version: " | ||
| -bnfc --version | ||
| - | ||
| -echo "Converting BNFC to Java..." | ||
| -bnfc -m -java -p com.whitemagicsoftware rxm.cf > bnfc.log 2>&1 | ||
| - | ||
| -echo "Creating a clean build..." | ||
| -make clean > /dev/null | ||
| - | ||
| -CLASSPATH="-cp .:lib/*" | ||
| - | ||
| -mkdir -p build | ||
| - | ||
| -echo "Building files..." | ||
| -make JAVA_FLAGS="$CLASSPATH" JAVAC_FLAGS="$CLASSPATH -d build" > make.log 2>&1 | ||
| - | ||
| -echo "Removing backup files..." | ||
| -find . -type f -name "*.bak" -exec rm {} \; | ||
| - | ||
lib/java-cup-11b-runtime.jar
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lib/java-cup-11b.jar
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lib/jlex.jar
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rxm.cf
| -entrypoints Query ; | ||
| - | ||
| -token Identifier (letter (letter | digit | '_')*) ; | ||
| -token LineTerminator (',') ; | ||
| -token AssignMap ('>') ; | ||
| -token InnerJoin ('+' '>') ; | ||
| -token OuterJoin ('-' '>') ; | ||
| - | ||
| -TTbl. Table ::= Identifier ; | ||
| -TCol. Column ::= "." Identifier ; | ||
| -TTblCol. TableColumn ::= Identifier Column ; | ||
| -TAttr. Attribute ::= "@" Identifier ; | ||
| -TParam. Parameter ::= "$" Identifier ; | ||
| - | ||
| -RXM. Query ::= Start Map ";" Where ; | ||
| - | ||
| -SDecl. Start ::= StartDecl LineTerminator; | ||
| -SStart. StartDecl ::= "root" AssignMap Element ; | ||
| -SModule. StartDecl ::= "module" Identifier ; | ||
| - | ||
| -MDecl. Map ::= MapDecl LineTerminator ; | ||
| -MGlob. MapDecl ::= ".*" ; | ||
| -MLine. MapDecl ::= LineDecl ; | ||
| - | ||
| -ETbl. Entity ::= Table ; | ||
| -ECol. Entity ::= Column ; | ||
| - | ||
| -NElem. Node ::= Element ; | ||
| -NAttr. Node ::= Attribute ; | ||
| - | ||
| -DeclNode. LineDecl ::= Entity AssignMap Node ; | ||
| -DeclInner. LineDecl ::= TableColumn InnerJoin TableColumn ; | ||
| -DeclOuter. LineDecl ::= TableColumn OuterJoin TableColumn ; | ||
| -DeclPop. LineDecl ::= "^" ; | ||
| -DeclImport. LineDecl ::= "import" Identifier ; | ||
| - | ||
| -ElIdent. Element ::= Identifier ; | ||
| -ElPath. Element ::= Identifier "/" Element ; | ||
| - | ||
| -WCompEq. ComparatorOperatorEquality ::= "=" ; | ||
| -WCompNeq. ComparatorOperatorEquality ::= "<>" ; | ||
| - | ||
| -WCompLt. ComparatorOperator ::= "<" ; | ||
| -WCompGt. ComparatorOperator ::= ">" ; | ||
| -WCompLte. ComparatorOperator ::= "<=" ; | ||
| -WCompGte. ComparatorOperator ::= ">=" ; | ||
| - | ||
| -WAnd. LogicalOp ::= "&&" ; | ||
| -WOr. LogicalOp ::= "||" ; | ||
| - | ||
| -WEmpty. Where ::= Where ; | ||
| -WEq. Where ::= TableColumn ComparatorOperatorEquality AllValues ; | ||
| -WComp. Where ::= TableColumn ComparatorOperator Value ; | ||
| -WLogic. Where ::= Where LogicalOp Where ; | ||
| -WParen. Where ::= "(" Where ")" ; | ||
| - | ||
| -VValue. AllValues ::= Value ; | ||
| -VSet. AllValues ::= Set ; | ||
| - | ||
| -rules Value ::= Parameter | "null" | String | Double ; | ||
| - | ||
| -SBlock. Set ::= "{" SetValues "}" ; | ||
| -rules SetValues ::= Value | Value "," Value; | ||
| - | ||
source/com/whitemagicsoftware/rxm/Parser.java
| import java.io.IOException; | ||
| -import java.io.StringReader; | ||
| import java.nio.charset.Charset; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Paths; | ||
| - | ||
| -import java_cup.runtime.*; | ||
| - | ||
| -import com.whitemagicsoftware.rxm.*; | ||
| -import com.whitemagicsoftware.rxm.Absyn.*; | ||
| /** | ||
| * Parses the expression into an abstract tree. | ||
| */ | ||
| public class Parser { | ||
| /** | ||
| * Creates a Parser instance that parses a given <b>rxm</b> string. | ||
| */ | ||
| - public Parser( String rxm ) throws Exception { | ||
| - Yylex lexer = new Yylex( new StringReader( rxm ) ); | ||
| - parser p = new parser( lexer ); | ||
| - | ||
| - try { | ||
| - com.whitemagicsoftware.rxm.Absyn.Query parse_tree = p.pQuery(); | ||
| - System.out.println(); | ||
| - System.out.println("Parse Succesful!"); | ||
| - System.out.println(); | ||
| - System.out.println("[Abstract Syntax]"); | ||
| - System.out.println(); | ||
| - System.out.println(PrettyPrinter.show(parse_tree)); | ||
| - System.out.println(); | ||
| - System.out.println("[Linearized Tree]"); | ||
| - System.out.println(); | ||
| - System.out.println(PrettyPrinter.print(parse_tree)); | ||
| - } | ||
| - catch(Throwable e) { | ||
| - throw new ParserException( | ||
| - lexer.line_num(), lexer.buff(), e.getMessage() ); | ||
| - } | ||
| + public Parser( String rxm ) throws ParserException { | ||
| } | ||
| /** | ||
| * @param args Contains the file name with an <b>rxm</b> to parse. | ||
| */ | ||
| - public static void main( String args[] ) throws Exception { | ||
| + public static void main( String args[] ) | ||
| + throws IOException, ParserException { | ||
| Parser parser = new Parser( readFile( args[0] ) ); | ||
| } |
test/people.rxm
| -root > people, | ||
| -person > person, | ||
| -.first_name > first, | ||
| -.last_name > name/last, | ||
| -.age > @age, | ||
| -account.person_id +> person.person_id, | ||
| -account > account, | ||
| -.id > @id, | ||
| +root > people, | ||
| +person > person, | ||
| +.first_name > first, | ||
| +.last_name > name/last, | ||
| +.age > @age, | ||
| +account.person_id +> person.person_id, | ||
| +account > account, | ||
| +.id > @id, | ||
| ^, | ||
| -address > address, | ||
| +address > address, | ||
| .*, | ||
| -account.person_id -> company.person_id, | ||
| +account.person_id -> company.person_id, | ||
| ; | ||