From c7fb7dfd794700bf6977a907a8612e9b644e4fe4 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Mon, 4 Jul 2016 21:53:55 +0200
Subject: o Improved parser.

---
 .../main/test/io/trygvis/ld/test1/Test1Test.java   | 102 +++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 cmake/elfinfo/src/main/test/io/trygvis/ld/test1/Test1Test.java

(limited to 'cmake/elfinfo/src/main/test/io/trygvis/ld/test1')

diff --git a/cmake/elfinfo/src/main/test/io/trygvis/ld/test1/Test1Test.java b/cmake/elfinfo/src/main/test/io/trygvis/ld/test1/Test1Test.java
new file mode 100644
index 0000000..ca3f49a
--- /dev/null
+++ b/cmake/elfinfo/src/main/test/io/trygvis/ld/test1/Test1Test.java
@@ -0,0 +1,102 @@
+package io.trygvis.ld.test1;
+
+import org.antlr.v4.runtime.ANTLRInputStream;
+import org.antlr.v4.runtime.BufferedTokenStream;
+import org.antlr.v4.runtime.CommonToken;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.Parser;
+import org.antlr.v4.runtime.Token;
+import org.junit.Test;
+
+import javax.annotation.Nonnull;
+
+import static org.junit.Assert.assertEquals;
+
+public class Test1Test {
+
+    @Test
+    public void test1() {
+        name("foo", "foo");
+    }
+
+    @Test
+    public void test2() {
+        name("\"foo bar\"", "foo bar");
+    }
+
+    private void name(String input, String expected) {
+        Test1Parser parser = load(input);
+
+        Test1Parser.NameContext name = parser.name();
+        System.out.println("String tree: " + name.toStringTree(parser));
+
+        String actual = name.getText();
+        assertEquals(input + "\n" + name.toStringTree(parser), expected, actual);
+    }
+
+    @Test
+    public void expr1() {
+        expr("a + b", "(expr (name a) + (name b))");
+    }
+
+    @Test
+    public void expr2() {
+        expr("\"foo bar\" + b", "(expr (name f o o   b a r) + (name b))");
+    }
+
+    @Test
+    public void expr3() {
+        expr("\n\n\r\n\t\"foo bar\" + b\r\r\t", "(expr (name f o o   b a r) + (name b))");
+    }
+
+    private void expr(String input, String expected) {
+        Test1Parser parser = load(input);
+
+        Test1Parser.ExprContext expr = parser.expr();
+        String stringTree = expr.toStringTree(parser);
+
+        assertEquals(expected, stringTree);
+    }
+
+    @Nonnull
+    private Test1Parser load(String input) {
+        System.out.println("Input      : |" + input + "|");
+        CommonTokenStream tokens = new CommonTokenStream(new Test1Lexer(new ANTLRInputStream(input)));
+        Test1Parser parser = new Test1Parser(tokens);
+        parser.setBuildParseTree(true);
+        parser.setTrace(true);
+
+        tokens.fill();
+        showTokens(tokens, parser);
+        return parser;
+    }
+
+    public static void showTokens(BufferedTokenStream tokens, Parser parser) {
+        for (Token tok : tokens.getTokens()) {
+            String s;
+            if (tok instanceof CommonToken) {
+                CommonToken t = (CommonToken) tok;
+
+                String channelStr = "";
+                if (t.getChannel() > 0) {
+                    channelStr = ",channel=" + t.getChannel();
+                }
+
+                String txt = t.getText();
+                if (txt != null) {
+                    txt = txt.replace("\n", "\\n");
+                    txt = txt.replace("\r", "\\r");
+                    txt = txt.replace("\t", "\\t");
+                } else {
+                    txt = "<no text>";
+                }
+
+                String type = parser.getVocabulary().getDisplayName(t.getType());
+                s = "[@" + t.getTokenIndex() + "," + t.getStartIndex() + ":" + t.getStopIndex() + "=\'" + txt + "\',<" + type + ">" + channelStr + "," + t.getLine() + ":" + t.getCharPositionInLine() + "]";
+            } else {
+                s = tok.toString();
+            }
+            System.out.println(s);
+        }
+    }
+}
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