[java/compiler] add compile.pir which was being .gitignored

java/compiler/compile.pir

@@ -0,0 +1,43 @@
+.sub '' :anon :load :init
+    load_bytecode 'HLL.pbc'
+    load_bytecode 'P6Regex.pbc'
+.end
+
+.include 'gen_grammar.pir'
+.include 'gen_actions.pir'
+.include 'gen_jst.pir'
+.include 'gen_past2jst.pir'
+.include 'gen_jst2java.pir'
+.loadlib 'io_ops'
+
+.sub 'main' :main
+    .param pmc args
+
+    # Do we have an argument saying we're compiling the setting?
+    $P0 = new ['Integer']
+    .lex '$*COMPILING_NQP_SETTING', $P0
+    $S0 = args[2]
+    if $S0 != '--setting' goto not_setting
+    $P0 = 1
+  not_setting:
+
+    .local pmc g, a, pastcomp, jstcomp
+    g = get_hll_global ['JnthnNQP'], 'Grammar'
+    a = get_hll_global ['JnthnNQP'], 'Actions'
+    pastcomp = get_hll_global 'PAST2JSTCompiler'
+    jstcomp = get_hll_global 'JST2JavaCompiler'
+
+    .local string filename, file
+    .local pmc fh
+    filename = args[1]
+    fh = open filename, 'r'
+    file = fh.'readall'()
+    fh.'close'()
+
+    .local pmc match, ast, jst, compiled
+    match = g.'parse'(file, 'actions'=>a)
+    ast = match.'ast'()
+    jst = pastcomp.'compile'(ast)
+    compiled = jstcomp.'compile'(jst)
+    say compiled
+.end