Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.scl.compiler / src / org / simantics / scl / compiler / errors / CompilationError.java

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/errors/CompilationError.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/errors/CompilationError.java
new file mode 100644 (file)
index 0000000..499fe2b
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/errors/CompilationError.java
@@ -0,0 +1,75 @@
+package org.simantics.scl.compiler.errors;\r
+\r
+import java.io.PrintWriter;\r
+import java.io.StringWriter;\r
+\r
+public class CompilationError implements Comparable<CompilationError> {\r
+    \r
+    public static final CompilationError[] EMPTY_ARRAY = new CompilationError[0];\r
+    \r
+    public final long location;\r
+    public final String description;\r
+    \r
+    public CompilationError(long location, String description) {\r
+        if(description == null)\r
+            throw new NullPointerException();\r
+        this.location = location;\r
+        this.description = description;\r
+    }\r
+    \r
+    public CompilationError(long location, Exception exception) {\r
+        this(location, exceptionToString(exception));\r
+    }\r
+    \r
+    public CompilationError(String description) {\r
+        this(Locations.NO_LOCATION, description);\r
+    }\r
+    \r
+    public CompilationError(Exception exception) {\r
+        this(Locations.NO_LOCATION, exception);\r
+    }\r
+    \r
+    private static String exceptionToString(Exception e) {\r
+        StringWriter w = new StringWriter();\r
+        e.printStackTrace(new PrintWriter(w));\r
+        return w.toString();\r
+    }\r
+   \r
+    @Override\r
+    public int hashCode() {\r
+        final int prime = 31;\r
+        int result = 1;\r
+        result = prime * result\r
+                + ((description == null) ? 0 : description.hashCode());\r
+        result = prime * result + (int) (location ^ (location >>> 32));\r
+        return result;\r
+    }\r
+\r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (this == obj)\r
+            return true;\r
+        if (obj == null)\r
+            return false;\r
+        if (getClass() != obj.getClass())\r
+            return false;\r
+        CompilationError other = (CompilationError) obj;\r
+        if (description == null) {\r
+            if (other.description != null)\r
+                return false;\r
+        } else if (!description.equals(other.description))\r
+            return false;\r
+        if (location != other.location)\r
+            return false;\r
+        return true;\r
+    }\r
+\r
+    @Override\r
+    public int compareTo(CompilationError o) {\r
+        if(location < o.location)\r
+            return -1;\r
+        if(location > o.location)\r
+            return 1;\r
+        return description.compareTo(o.description);\r
+    }\r
+}\r