import java.io.LineNumberReader;
import java.util.ArrayList;
+import edu.uci.eecs.specCompiler.grammerParser.ParseException;
+import edu.uci.eecs.specCompiler.grammerParser.SpecParser;
+import edu.uci.eecs.specCompiler.grammerParser.TokenMgrError;
+
/**
* <p>
* This class represents the specification extractor of the specification. The
* corresponding specification out, and remember its location, including the
* file name and the line number, to help the code generation process.
* </p>
+ *
* @author peizhaoo
- *
+ *
*/
public class SpecExtractor {
private ArrayList<SpecConstruct> _constructs;
private int _beginLineNum, _endLineNum;
private String _beginLine;
-
- SpecExtractor() {
+
+ public SpecExtractor() {
_constructs = new ArrayList<SpecConstruct>();
}
-
+
/**
* <p>
- * Given a list of files, it scans each file and add found SpecConstrcut
- * to the _constructs list.
+ * Given a list of files, it scans each file and add found SpecConstrcut to
+ * the _constructs list.
* </p>
+ *
* @param files
- * @throws SpecNotMatchException
+ * @throws SpecNotMatchException
*/
public void extract(File[] files) throws SpecNotMatchException {
for (int i = 0; i < files.length; i++)
extract(files[i]);
}
-
+
public void extract(File file) throws SpecNotMatchException {
+ StringBuilder specText = new StringBuilder();
try {
LineNumberReader reader = new LineNumberReader(new FileReader(file));
- String prevLine = "", curLine, trimedLine;
- StringBuilder specText = new StringBuilder();
+ String prevLine = "", curLine, trimedLine, funcDecl;
+ SpecConstruct specConstruct;
boolean foundHead = false;
- int specIndex = 0;
while ((curLine = reader.readLine()) != null) {
if (prevLine.endsWith("\\"))
continue;
if (trimedLine.endsWith("*/")) {
_endLineNum = reader.getLineNumber();
foundHead = false;
-
- System.out.println("Spec<" + specIndex + "> Begin: "
- + _beginLine + " End: " + _endLineNum);
- System.out.println(specText);
- specIndex++;
+ if (isComment(specText.toString()))
+ continue;
+ Construct inst = SpecParser.parseSpec(specText
+ .toString());
+ if (inst instanceof InterfaceConstruct
+ || inst instanceof InterfaceDefineConstruct) {
+ funcDecl = readFunctionDecl(reader);
+ specConstruct = new SpecConstruct(
+ specText.toString(), file,
+ _beginLineNum, _endLineNum, inst,
+ funcDecl);
+ } else {
+ specConstruct = new SpecConstruct(
+ specText.toString(), file,
+ _beginLineNum, _endLineNum, inst);
+ }
+ _constructs.add(specConstruct);
+ specText = new StringBuilder();
+ // System.out.println(specConstruct);
}
}
} else {
if (trimedLine.endsWith("*/")) {
_endLineNum = reader.getLineNumber();
foundHead = false;
-
- System.out.println("Spec<" + specIndex + "> Begin: "
- + _beginLine + " End: " + _endLineNum);
- System.out.println(specText);
- specIndex++;
-
+ if (isComment(specText.toString())) {
+ specText = new StringBuilder();
+ continue;
+ }
+ Construct inst = SpecParser.parseSpec(specText
+ .toString());
+ if (inst instanceof InterfaceConstruct
+ || inst instanceof InterfaceDefineConstruct) {
+ funcDecl = readFunctionDecl(reader);
+ specConstruct = new SpecConstruct(
+ specText.toString(), file, _beginLineNum,
+ _endLineNum, inst, funcDecl);
+ } else {
+ specConstruct = new SpecConstruct(
+ specText.toString(), file, _beginLineNum,
+ _endLineNum, inst);
+ }
+ _constructs.add(specConstruct);
specText = new StringBuilder();
+ // System.out.println(specConstruct);
}
}
}
// At the end we can only find the head "/**" but no tail found
if (foundHead) {
- String msg = "In file \"" + file.getAbsolutePath() + "\", line: "
- + _beginLineNum + "\n" + _beginLine + "\n" + "Can't find matching spec.";
+ String msg = "In file \"" + file.getAbsolutePath()
+ + "\", line: " + _beginLineNum + "\n" + _beginLine
+ + "\n" + "Can't find matching spec.";
throw new SpecNotMatchException(msg);
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
+ } catch (ParseException e) {
+ printSpecInfo(file, specText.toString());
+ e.printStackTrace();
+ } catch (TokenMgrError e) {
+ printSpecInfo(file, specText.toString());
+ e.printStackTrace();
}
}
-
+
+ private void printSpecInfo(File file, String text) {
+ System.out.println("Error in spec!");
+ System.out.println("File: " + file.getAbsolutePath());
+ System.out.println("Begin: " + _beginLineNum + " End: " + _endLineNum);
+ System.out.println(text);
+ }
+
+ private boolean isComment(String specText) {
+ if (specText.indexOf("@Begin") != -1)
+ return false;
+ return true;
+ }
+
+ private String readFunctionDecl(LineNumberReader reader) throws IOException {
+ String res = "", curLine;
+ while ((curLine = reader.readLine()) != null) {
+ int braceIdx = curLine.indexOf(')');
+ if (braceIdx == -1) {
+ res = res + " " + curLine;
+ } else {
+ res = res + curLine.substring(0, braceIdx + 1);
+ res = trimSpace(res);
+ break;
+ }
+ }
+ return res;
+ }
+
private String trimSpace(String line) {
int i, j;
char ch;
else
return line.substring(i, j + 1);
}
-
+
+ public ArrayList<SpecConstruct> getConstructs() {
+ return this._constructs;
+ }
+
public static void main(String[] argvs) {
SpecExtractor extractor = new SpecExtractor();
File file = new File("./grammer/spec1.txt");
projects / cdsspec-compiler.git / blobdiff