Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.ruby.parser/src/com/oracle/truffle/ruby/parser/JRubyParser.java @ 13732:fbf448929260
Ruby: remove some prototyping code no longer needed
| author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
|---|---|
| date | Sat, 18 Jan 2014 22:12:42 -0800 |
| parents | 497fada09efb |
| children | 2c1c805153e6 |
| rev | line source |
|---|---|
| 13514 | 1 /* |
|
13732
fbf448929260
Ruby: remove some prototyping code no longer needed
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
13645
diff
changeset
|
2 * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved. This |
| 13514 | 3 * code is released under a tri EPL/GPL/LGPL license. You can use it, |
| 4 * redistribute it and/or modify it under the terms of the: | |
| 5 * | |
| 6 * Eclipse Public License version 1.0 | |
| 7 * GNU General Public License version 2 | |
| 8 * GNU Lesser General Public License version 2.1 | |
| 9 */ | |
| 10 package com.oracle.truffle.ruby.parser; | |
| 11 | |
| 12 import java.io.*; | |
| 13 | |
| 14 import com.oracle.truffle.api.*; | |
| 15 import com.oracle.truffle.api.frame.*; | |
| 16 import com.oracle.truffle.api.nodes.*; | |
| 17 import com.oracle.truffle.ruby.nodes.*; | |
| 18 import com.oracle.truffle.ruby.nodes.control.*; | |
| 19 import com.oracle.truffle.ruby.nodes.literal.*; | |
| 20 import com.oracle.truffle.ruby.nodes.methods.*; | |
| 21 import com.oracle.truffle.ruby.runtime.*; | |
| 22 import com.oracle.truffle.ruby.runtime.control.*; | |
| 23 import com.oracle.truffle.ruby.runtime.core.*; | |
| 24 import com.oracle.truffle.ruby.runtime.methods.*; | |
| 25 | |
| 26 public class JRubyParser implements RubyParser { | |
| 27 | |
| 28 private long nextReturnID = 0; | |
| 29 | |
| 30 @Override | |
| 31 public RubyParserResult parse(RubyContext context, Source source, ParserContext parserContext, MaterializedFrame parentFrame) { | |
| 32 // Set up the JRuby parser | |
| 33 | |
| 34 final org.jrubyparser.Parser parser = new org.jrubyparser.Parser(); | |
| 35 | |
| 36 // TODO(cs) should this get a new unique method identifier or not? | |
| 37 final TranslatorEnvironment environment = new TranslatorEnvironment(context, environmentForFrame(context, parentFrame), this, allocateReturnID(), true, true, new UniqueMethodIdentifier()); | |
| 38 | |
| 39 // All parsing contexts have a visibility slot at their top level | |
| 40 | |
| 41 environment.addMethodDeclarationSlots(); | |
| 42 | |
| 43 final org.jrubyparser.LocalStaticScope staticScope = new org.jrubyparser.LocalStaticScope(null); | |
| 44 | |
| 45 if (parentFrame != null) { | |
| 46 /* | |
| 47 * Note that jruby-parser will be mistaken about how deep the existing variables are, | |
| 48 * but that doesn't matter as we look them up ourselves after being told their in some | |
| 49 * parent scope. | |
| 50 */ | |
| 51 | |
| 52 MaterializedFrame frame = parentFrame; | |
| 53 | |
| 54 while (frame != null) { | |
| 55 for (FrameSlot slot : frame.getFrameDescriptor().getSlots()) { | |
| 56 if (slot.getIdentifier() instanceof String) { | |
| 57 final String name = (String) slot.getIdentifier(); | |
| 58 if (staticScope.exists(name) == -1) { | |
| 59 staticScope.assign(null, name, null); | |
| 60 } | |
| 61 } | |
| 62 } | |
| 63 | |
| 64 frame = frame.getArguments(RubyArguments.class).getDeclarationFrame(); | |
| 65 } | |
| 66 } | |
| 67 | |
|
13645
497fada09efb
Ruby: remove versioning.
Chris Seaton <chris.seaton@oracle.com>
parents:
13514
diff
changeset
|
68 final org.jrubyparser.parser.ParserConfiguration parserConfiguration = new org.jrubyparser.parser.ParserConfiguration(0, org.jrubyparser.CompatVersion.RUBY2_0, staticScope); |
| 13514 | 69 |
| 70 // Parse to the JRuby AST | |
| 71 | |
| 72 org.jrubyparser.ast.RootNode node; | |
| 73 | |
| 74 try { | |
| 75 node = (org.jrubyparser.ast.RootNode) parser.parse(source.getName(), new StringReader(source.getCode()), parserConfiguration); | |
| 76 } catch (UnsupportedOperationException | org.jrubyparser.lexer.SyntaxException e) { | |
| 77 String message = e.getMessage(); | |
| 78 | |
| 79 if (message == null) { | |
| 80 message = "(no message)"; | |
| 81 } | |
| 82 | |
| 83 throw new RaiseException(new RubyException(context.getCoreLibrary().getSyntaxErrorClass(), message)); | |
| 84 } | |
| 85 | |
| 86 if (context.getConfiguration().getPrintParseTree()) { | |
| 87 System.err.println(node); | |
| 88 } | |
| 89 | |
| 90 // Translate to Ruby Truffle nodes | |
| 91 | |
| 92 final Translator translator; | |
| 93 | |
| 94 if (parserContext == RubyParser.ParserContext.MODULE) { | |
| 95 translator = new ModuleTranslator(context, null, environment, source); | |
| 96 } else { | |
| 97 translator = new Translator(context, null, environment, source); | |
| 98 } | |
| 99 | |
| 100 RubyNode truffleNode; | |
| 101 | |
|
13732
fbf448929260
Ruby: remove some prototyping code no longer needed
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
13645
diff
changeset
|
102 final DebugManager debugManager = context.getDebugManager(); |
| 13514 | 103 try { |
| 104 if (debugManager != null) { | |
| 105 debugManager.notifyStartLoading(source); | |
| 106 } | |
| 107 | |
| 108 if (node.getBody() == null) { | |
| 109 truffleNode = new NilNode(context, null); | |
| 110 } else { | |
| 111 truffleNode = (RubyNode) node.getBody().accept(translator); | |
| 112 } | |
| 113 | |
| 114 // Load flip-flop states | |
| 115 | |
| 116 if (environment.getFlipFlopStates().size() > 0) { | |
| 117 truffleNode = new SequenceNode(context, truffleNode.getSourceSection(), translator.initFlipFlopStates(truffleNode.getSourceSection()), truffleNode); | |
| 118 } | |
| 119 | |
| 120 // Catch next | |
| 121 | |
| 122 truffleNode = new CatchNextNode(context, truffleNode.getSourceSection(), truffleNode); | |
| 123 | |
| 124 // Catch return | |
| 125 | |
| 126 truffleNode = new CatchReturnAsErrorNode(context, truffleNode.getSourceSection(), truffleNode); | |
| 127 | |
| 128 // Shell result | |
| 129 | |
| 130 if (parserContext == RubyParser.ParserContext.SHELL) { | |
| 131 truffleNode = new ShellResultNode(context, truffleNode.getSourceSection(), truffleNode); | |
| 132 } | |
| 133 | |
| 134 // Root Node | |
| 135 | |
| 136 String indicativeName; | |
| 137 | |
| 138 switch (parserContext) { | |
| 139 case TOP_LEVEL: | |
| 140 indicativeName = "(main)"; | |
| 141 break; | |
| 142 case SHELL: | |
| 143 indicativeName = "(shell)"; | |
| 144 break; | |
| 145 case MODULE: | |
| 146 indicativeName = "(module)"; | |
| 147 break; | |
| 148 default: | |
| 149 throw new UnsupportedOperationException(); | |
| 150 } | |
| 151 | |
| 152 final RootNode root = new RubyRootNode(truffleNode.getSourceSection(), indicativeName, truffleNode); | |
| 153 | |
| 154 // Return the root and the frame descriptor | |
| 155 | |
| 156 return new RubyParserResult(root, environment.getFrameDescriptor()); | |
| 157 } finally { | |
| 158 if (debugManager != null) { | |
| 159 debugManager.notifyFinishedLoading(source); | |
| 160 } | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 public long allocateReturnID() { | |
| 165 if (nextReturnID == Long.MAX_VALUE) { | |
| 166 throw new RuntimeException("Return IDs exhausted"); | |
| 167 } | |
| 168 | |
| 169 final long allocated = nextReturnID; | |
| 170 nextReturnID++; | |
| 171 return allocated; | |
| 172 } | |
| 173 | |
| 174 private TranslatorEnvironment environmentForFrame(RubyContext context, MaterializedFrame frame) { | |
| 175 if (frame == null) { | |
| 176 return null; | |
| 177 } else { | |
| 178 final MaterializedFrame parent = frame.getArguments(RubyArguments.class).getDeclarationFrame(); | |
| 179 return new TranslatorEnvironment(context, environmentForFrame(context, parent), frame.getFrameDescriptor(), this, allocateReturnID(), true, true, new UniqueMethodIdentifier()); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 } |