@Check: (Optional)
...
@Action: (Optional)
+ @DefineVar: Type var1 = SomeExpression (Optional)
+ @Code (Optional)
...
@Post_action: (Optional)
@Post_check: (Optional)
import java.io.FileInputStream;
import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.io.ByteArrayInputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import edu.uci.eecs.specCompiler.specExtraction.CPDefineConstruct;
import edu.uci.eecs.specCompiler.specExtraction.CPDefineCheckConstruct;
import edu.uci.eecs.specCompiler.specExtraction.ConditionalInterface;
+import edu.uci.eecs.specCompiler.specExtraction.ActionSubConstruct;
+import edu.uci.eecs.specCompiler.specExtraction.ActionSubConstruct.DefineVar;
public class SpecParser {
public static void main(String[] argvs)
try {
FileInputStream fis = new FileInputStream("./grammer/spec.txt");
SpecParser parser = new SpecParser(fis);
- parser.Start();
+ parser.Parse();
System.out.println("Parsing finished!");
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
+
+ public static Construct parseSpec(String text)
+ throws ParseException, TokenMgrError {
+ InputStream input = new ByteArrayInputStream(text.getBytes());
+ SpecParser parser = new SpecParser(input);
+ return parser.Parse();
+ }
+
+
}
PARSER_END(SpecParser)
<CHECK: "@Check:">
|
<ACTION: "@Action:">
+|
+ <DEFINEVAR: "@DefineVar:">
+|
+ <CODE: "@Code:">
|
<POST_ACTION: "@Post_action:">
|
<STAR: "*">
|
<NEGATE: "~">
+|
+ <EXCLAMATION: "!">
|
<AND: "&">
|
< #HEXADECIMAL_EXPONENT: ["p","P"] (["+","-"])? (["0"-"9"])+ >
}
-Construct Start() :
+Construct Parse() :
{
Construct res;
}
)
<EOF>
{
- System.out.println(res);
+ //System.out.println(res);
return res;
}
}
text = new StringBuilder();
t = new Token();
}
- ((
+ (
+ //LOOKAHEAD(2)
+ (
t = <IDENTIFIER> | t = <EQUALS> | t = <OPEN_PAREN> | t = <CLOSE_PAREN> |
t = <OPEN_BRACKET> | t = <CLOSE_BRACKET> | t = <HB_SYMBOL> | t = <COMMA> |
- t = <DOT> | t = <STAR> | t = <NEGATE> | t = <AND> | t = <OR> | t = <MOD> | t = <PLUS> |
+ t = <DOT> | t = <STAR> | t = <NEGATE> | t = <EXCLAMATION> | t = <AND> | t = <OR> | t = <MOD> | t = <PLUS> |
t = <PLUSPLUS> | t = <MINUS> | t = <MINUSMINUS> | t = <DIVIDE> | t = <BACKSLASH> |
t = <LESS_THAN> | t = <GREATER_THAN> | t = <GREATER_EQUALS> | t = <LESS_EQUALS> |
- t = <LOGICAL_EQUALS> | t = <NOT_EQUALS> | t = <LOGICAL_AND> | t = <LOGICAL_OR> | t = <XOR>
+ t = <LOGICAL_EQUALS> | t = <NOT_EQUALS> | t = <LOGICAL_AND> | t = <LOGICAL_OR> | t = <XOR> |
t = <QUESTION_MARK> | t = <COLON> | t = <DOUBLECOLON> |
t = <SEMI_COLON> | t = <STRING_LITERAL> | t = <CHARACTER_LITERAL> |
t = <INTEGER_LITERAL> | t = <FLOATING_POINT_LITERAL>
InterfaceConstruct Interface() :
{
InterfaceConstruct res;
- String interfaceName, condition, idCode, check, action, postAction,
+ String interfaceName, condition, idCode, check, postAction,
postCheck, commitPoint, hbLabel, hbCondition;
+ ActionSubConstruct action;
ArrayList<String> commitPointSet;
HashMap<String, String> hbConditions;
}
{
{
res = null;
+ action = null;
condition = "";
idCode = "";
check = "";
- action = "";
postAction = "";
postCheck = "";
commitPointSet = new ArrayList<String>();
)*
(<ID> (idCode = C_CPP_CODE()))?
(<CHECK> (check = C_CPP_CODE()))?
- (<ACTION> (action = C_CPP_CODE()))?
+ (action = Action())?
(<POST_ACTION> (postAction = C_CPP_CODE()))?
(<POST_CHECK> (postCheck = C_CPP_CODE()))?
<END>
}
}
+ActionSubConstruct Action() :
+{
+ String type, name, expr, defineVarStr, code;
+ ArrayList<DefineVar> defineVars;
+}
+{
+ {
+ defineVars = new ArrayList<DefineVar>();
+ code = "";
+ }
+ <ACTION>
+ (
+ (
+ (<DEFINEVAR> (defineVarStr = C_CPP_CODE())
+ {
+ int eqIdx = defineVarStr.indexOf('=');
+ int typeEnd = defineVarStr.lastIndexOf(' ', eqIdx - 2);
+ type = defineVarStr.substring(0, typeEnd);
+ name = defineVarStr.substring(typeEnd + 1, eqIdx - 1);
+ expr = defineVarStr.substring(eqIdx + 2);
+ DefineVar defineVar = new DefineVar(type, name, expr);
+ defineVars.add(defineVar);
+ })* (<CODE> (code = C_CPP_CODE()))? )
+ )
+
+ {
+ ActionSubConstruct res = new ActionSubConstruct(defineVars, code);
+ return res;
+ }
+}
+
PotentialCPDefineConstruct Potential_commit_point_define() :
{
PotentialCPDefineConstruct res;