core
/
oga
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

JRuby lexer boilerplate with actual input. 

This doesn't actually lex anything just yet but at least the input from Ruby is
in place.
This commit is contained in:
Yorick Peterse 2014-05-06 22:43:55 +02:00
parent fea5ec7946
commit f39fe5d857
2 changed files with 35 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
ext/liboga/LibogaService.java
View File

@ -10,16 +10,7 @@ public class LibogaService implements BasicLibraryService
{
public boolean basicLoad(final Ruby runtime) throws IOException
{
RubyModule xml = (RubyModule) runtime.getModule("Oga")
.getConstant("XML");
RubyClass lexer = xml.defineClassUnder(
"Lexer",
runtime.getObject(),
runtime.getObject().getAllocator()
);
lexer.defineAnnotatedMethods(org.liboga.xml.Lexer.class);
org.liboga.xml.Lexer.load(runtime);
return true;
}

37
ext/liboga/org/liboga/xml/Lexer.rl
View File

@ -4,13 +4,17 @@ package org.liboga.xml;
import java.io.IOException;
import org.jcodings.Encoding;
import org.jruby.Ruby;
import org.jruby.RubyModule;
import org.jruby.RubyClass;
import org.jruby.RubyObject;
import org.jruby.RubyString;
import org.jruby.anno.JRubyClass;
import org.jruby.anno.JRubyMethod;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.ObjectAllocator;
import org.jruby.runtime.builtin.IRubyObject;
@JRubyClass(name="Oga::XML::Lexer", parent="Object")
@ -18,6 +22,28 @@ public class Lexer extends RubyObject
{
%% write data;
public static void load(Ruby runtime)
{
RubyModule xml = (RubyModule) runtime.getModule("Oga")
.getConstant("XML");
RubyClass lexer = xml.defineClassUnder(
"Lexer",
runtime.getObject(),
ALLOCATOR
);
lexer.defineAnnotatedMethods(Lexer.class);
}
private static final ObjectAllocator ALLOCATOR = new ObjectAllocator()
{
public IRubyObject allocate(Ruby runtime, RubyClass klass)
{
return new org.liboga.xml.Lexer(runtime, klass);
}
};
public Lexer(Ruby runtime, RubyClass klass)
{
super(runtime, klass);
@ -26,22 +52,27 @@ public class Lexer extends RubyObject
@JRubyMethod
public IRubyObject advance_native(ThreadContext context)
{
// Pull the data in from Ruby land.
RubyString rb_str = (RubyString) this.getInstanceVariable("@data");
Encoding encoding = rb_str.getEncoding();
byte[] data = rb_str.getBytes();
int act = 0;
int cs = 0;
int ts = 0;
int te = 0;
int p = 0;
int pe = 0;
int pe = data.length;
int eof = 0;
int top = 0;
int[] data = {};
int[] stack = {};
%% write init;
%% write exec;
return context.getRuntime().getNil();
return context.nil;
}
}