build: patch tree-sitter library lookup

Closes #59

Author: ObserverOfTime

.editorconfig

@@ -19,3 +19,9 @@ max_line_length = off
 [*.{xml,yml,json}]
 indent_size = 2
 max_line_length = off
+
+[*.ps1]
+end_of_line = crlf
+
+[*.patch]
+trim_trailing_whitespace = false

.gitattributes

@@ -0,0 +1,3 @@
+* text=auto eol=lf
+
+scripts/jextract.ps1 eol=crlf

pom.xml

@@ -89,6 +89,11 @@
                   <arg value="${project.basedir}"/>
                   <arg value="${project.build.directory}"/>
                 </exec>
+                <exec executable="git" dir="${project.build.directory}" failonerror="true">
+                  <arg value="apply"/>
+                  <arg value="--no-index"/>
+                  <arg value="${project.basedir}/scripts/TreeSitter_java.patch"/>
+                </exec>
               </target>
             </configuration>
           </execution>

scripts/TreeSitter_java.patch

@@ -0,0 +1,22 @@
+--- a/generated-sources/jextract/io/github/treesitter/jtreesitter/internal/TreeSitter.java
++++ b/generated-sources/jextract/io/github/treesitter/jtreesitter/internal/TreeSitter.java
+@@ -55,9 +55,16 @@ public class TreeSitter {
+         };
+     }
+
+-    static final SymbolLookup SYMBOL_LOOKUP = SymbolLookup.libraryLookup(System.mapLibraryName("tree-sitter"), LIBRARY_ARENA)
+-            .or(SymbolLookup.loaderLookup())
+-            .or(Linker.nativeLinker().defaultLookup());
++    static final SymbolLookup SYMBOL_LOOKUP = findLibrary().or(Linker.nativeLinker().defaultLookup());
++
++    private static final SymbolLookup findLibrary() {
++        try {
++            String library = System.mapLibraryName("tree-sitter");
++            return SymbolLookup.libraryLookup(library, LIBRARY_ARENA);
++        } catch (IllegalArgumentException e) {
++            return SymbolLookup.loaderLookup();
++        }
++    }
+
+     public static final ValueLayout.OfBoolean C_BOOL = ValueLayout.JAVA_BOOLEAN;
+     public static final ValueLayout.OfByte C_CHAR = ValueLayout.JAVA_BYTE;

scripts/jextract.ps1

@@ -1,6 +1,6 @@
-#!/usr/bin/env pwsh
-
-$env:package = 'io.github.treesitter.jtreesitter.internal'
+$package = 'io.github.treesitter.jtreesitter.internal'
+$output = "$($args[1])/generated-sources/jextract"
+$lib = "$($args[0])/core/lib"
 
 & jextract.bat `
     --include-struct TSInput `
@@ -177,10 +177,10 @@ $env:package = 'io.github.treesitter.jtreesitter.internal'
     --include-constant TSSymbolTypeRegular `
     --include-constant TSSymbolTypeSupertype `
     --header-class-name TreeSitter `
-    --output "$($args[1])/generated-sources/jextract" `
-    -t $env:package `
+    --output $output `
+    -t $package `
     -l tree-sitter `
-    -I "$($args[0])/core/lib/src" `
-    -I "$($args[0])/core/lib/include" `
+    -I "$lib/src" `
+    -I "$lib/include" `
     -DTREE_SITTER_HIDE_SYMBOLS `
-    "$($args[0])/core/lib/include/tree_sitter/api.h"
+    "$lib/include/tree_sitter/api.h"

scripts/jextract.sh

@@ -1,6 +1,8 @@
 #!/bin/bash -eu
 
 package=io.github.treesitter.jtreesitter.internal
+output="$2/generated-sources/jextract"
+lib="$1/core/lib"
 
 exec jextract \
     --include-struct TSInput \
@@ -178,10 +180,10 @@ exec jextract \
     --include-constant TSSymbolTypeRegular \
     --include-constant TSSymbolTypeSupertype \
     --header-class-name TreeSitter \
-    --output "$2"/generated-sources/jextract \
+    --output "$output" \
     -t "$package" \
     -l tree-sitter \
-    -I "$1"/core/lib/src \
-    -I "$1"/core/lib/include \
+    -I "$lib/src" \
+    -I "$lib/include" \
     -DTREE_SITTER_HIDE_SYMBOLS \
-    "$1"/core/lib/include/tree_sitter/api.h
+    "$lib/include/tree_sitter/api.h"