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Parser for tapir file and transformer. Started on generator.

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This commit is contained in:
Johan Maasing 2025-03-15 21:59:16 +01:00
parent e4b1daf0c2
commit f0e2523a3d
Signed by: johan
GPG key ID: FFD31BABEE2DEED2
3 changed files with 186 additions and 0 deletions
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57
parser/pom.xml Executable file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>nu.zoom.tapir</groupId>
<artifactId>tapir-generator</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>parser</artifactId>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>javacc-maven-plugin</artifactId>
<version>3.0.1</version>
<executions>
<!--
<id>javacc</id>
<goals>
<goal>javacc</goal>
</goals>
<configuration>
<lookAhead>2</lookAhead>
<isStatic>false</isStatic>
<forceLaCheck>true</forceLaCheck>
</configuration>
</execution>
-->
<execution>
<id>jjtree-javacc</id>
<goals>
<goal>jjtree-javacc</goal>
</goals>
<configuration>
<isStatic>false</isStatic>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>net.java.dev.javacc</groupId>
<artifactId>javacc</artifactId>
</dependency>
<dependency>
<groupId>info.picocli</groupId>
<artifactId>picocli</artifactId>
</dependency>
</dependencies>
</project>

93
parser/src/main/jjtree/tapir.jjt Executable file
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PARSER_BEGIN(TapirParser)
package nu.zoom.tapir.parser;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
public class TapirParser
{
}
PARSER_END(TapirParser)
// white space
SKIP: {
"\n"
| "\t"
| "\r"
| " "
}
TOKEN : {
<OPENPARANTHESIS: "(">
| <CLOSEPARANTHESIS: ")">
| <TRANSITION: "->">
| <SLASH: "/">
| <COLON: ":">
| <COMMA: ",">
| <LETTER: [ "A"-"Z", "a"-"z" ]>
| <IDENTIFIER: ( <LETTER>)+ >
}
void path() :
{Token t;}
{
t=<IDENTIFIER>{jjtThis.value = t.image;} <SLASH>
}
void paths() :
{}
{
path() (path())*
}
void payloadFieldName() :
{Token t;}
{
t=<IDENTIFIER>{jjtThis.value = t.image;}
}
void payloadFieldType() :
{Token t;}
{
t=<IDENTIFIER>{jjtThis.value = t.image;}
}
void payloadField() :
{}
{
payloadFieldName() <COLON> payloadFieldType()
}
void payloadFields() :
{}
{
payloadField() (<COMMA> payloadField() )*
}
void handlerName() :
{Token t;}
{
t=<IDENTIFIER>{jjtThis.value = t.image;}
}
void handlerSpec() :
{}
{
handlerName() <OPENPARANTHESIS> payloadFields() <CLOSEPARANTHESIS>
}
void endpoint() :
{}
{
paths() <TRANSITION> handlerSpec()
}
SimpleNode endpoints() :
{}
{
(endpoint() )*
{ return jjtThis; }
}

36
pom.xml Executable file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>nu.zoom.tapir</groupId>
<artifactId>tapir-generator</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>parser</module>
</modules>
<properties>
<maven.compiler.source>23</maven.compiler.source>
<maven.compiler.target>23</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>net.java.dev.javacc</groupId>
<artifactId>javacc</artifactId>
<version>7.0.13</version>
</dependency>
<dependency>
<groupId>info.picocli</groupId>
<artifactId>picocli</artifactId>
<version>4.7.6</version>
</dependency>
</dependencies>
</dependencyManagement>
</project>