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Added parser utility method to test if a string is a PRISM language keyword. 

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@329 bbc10eb1-c90d-0410-af57-cb519fbb1720
master
Dave Parker 19 years ago
parent
2f9e7143d0
commit
0f0236190e
3 changed files with 98 additions and 65 deletions
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  1. 146
      prism/src/parser/PrismParser.java
  2. 16
      prism/src/parser/PrismParser.jj
  3. 1
      prism/src/parser/PrismParserTokenManager.java

146
prism/src/parser/PrismParser.java
View File

@ -3,6 +3,7 @@ package parser;
import java.io.*;
import java.util.Vector;
import java.util.ArrayList;
import java.util.Stack;
import prism.PrismException;
@ -19,6 +20,8 @@ public class PrismParser implements PrismParserConstants {
private static Stack reverseStack = new Stack();
// temp store for modules file associated with properties file
private static ModulesFile modulesFile;
// list of keyword strings
private static ArrayList keywordList = new ArrayList();
//-----------------------------------------------------------------------------------
// main method for testing purposes
@ -120,7 +123,13 @@ public class PrismParser implements PrismParserConstants {
public PrismParser()
{
// Call default constructor
this(System.in);
// Build a list of strings for keywords
keywordList.clear();
for (int i = PrismParserConstants.COMMENT+1; i < PrismParserConstants.NOT; i++) {
keywordList.add(PrismParserConstants.tokenImage[i].replaceAll("\"", ""));
}
}
// parse modules file
@ -295,6 +304,13 @@ public class PrismParser implements PrismParserConstants {
return res;
}
// Test a string to see if it is a PRISM language keyword
public static boolean isKeyword(String s)
{
return keywordList.contains(s);
}
//-----------------------------------------------------------------------------------
// top-level stuff
//-----------------------------------------------------------------------------------
@ -3913,71 +3929,6 @@ public class PrismParser implements PrismParserConstants {
finally { jj_save(184, xla); }
}
static final private boolean jj_3R_72() {
if (jj_3R_92()) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3_142()) jj_scanpos = xsp;
return false;
}
static final private boolean jj_3_166() {
if (jj_scan_token(FLOOR)) return true;
return false;
}
static final private boolean jj_3R_58() {
if (jj_3R_61()) return true;
if (jj_scan_token(UNTIL)) return true;
if (jj_3R_61()) return true;
return false;
}
static final private boolean jj_3_91() {
if (jj_3R_60()) return true;
return false;
}
static final private boolean jj_3_141() {
if (jj_3R_72()) return true;
return false;
}
static final private boolean jj_3_69() {
if (jj_scan_token(DIVIDE)) return true;
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_48()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3_67()) { jj_scanpos = xsp; break; }
}
if (jj_scan_token(RBRACE)) return true;
return false;
}
static final private boolean jj_3R_84() {
if (jj_scan_token(LPARENTH)) return true;
if (jj_3R_35()) return true;
if (jj_scan_token(RPARENTH)) return true;
return false;
}
static final private boolean jj_3R_47() {
if (jj_3R_88()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3_66()) { jj_scanpos = xsp; break; }
}
return false;
}
static final private boolean jj_3_33() {
if (jj_3R_37()) return true;
return false;
}
static final private boolean jj_3_98() {
if (jj_scan_token(LE)) return true;
if (jj_3R_35()) return true;
@ -5935,6 +5886,71 @@ public class PrismParser implements PrismParserConstants {
return false;
}
static final private boolean jj_3R_72() {
if (jj_3R_92()) return true;
Token xsp;
xsp = jj_scanpos;
if (jj_3_142()) jj_scanpos = xsp;
return false;
}
static final private boolean jj_3_166() {
if (jj_scan_token(FLOOR)) return true;
return false;
}
static final private boolean jj_3R_58() {
if (jj_3R_61()) return true;
if (jj_scan_token(UNTIL)) return true;
if (jj_3R_61()) return true;
return false;
}
static final private boolean jj_3_91() {
if (jj_3R_60()) return true;
return false;
}
static final private boolean jj_3_141() {
if (jj_3R_72()) return true;
return false;
}
static final private boolean jj_3_69() {
if (jj_scan_token(DIVIDE)) return true;
if (jj_scan_token(LBRACE)) return true;
if (jj_3R_48()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3_67()) { jj_scanpos = xsp; break; }
}
if (jj_scan_token(RBRACE)) return true;
return false;
}
static final private boolean jj_3R_84() {
if (jj_scan_token(LPARENTH)) return true;
if (jj_3R_35()) return true;
if (jj_scan_token(RPARENTH)) return true;
return false;
}
static final private boolean jj_3R_47() {
if (jj_3R_88()) return true;
Token xsp;
while (true) {
xsp = jj_scanpos;
if (jj_3_66()) { jj_scanpos = xsp; break; }
}
return false;
}
static final private boolean jj_3_33() {
if (jj_3R_37()) return true;
return false;
}
static private boolean jj_initialized_once = false;
static public PrismParserTokenManager token_source;
static SimpleCharStream jj_input_stream;

16
prism/src/parser/PrismParser.jj
View File

@ -34,6 +34,7 @@ package parser;
import java.io.*;
import java.util.Vector;
import java.util.ArrayList;
import java.util.Stack;
import prism.PrismException;
@ -51,6 +52,8 @@ public class PrismParser
private static Stack reverseStack = new Stack();
// temp store for modules file associated with properties file
private static ModulesFile modulesFile;
// list of keyword strings
private static ArrayList keywordList = new ArrayList();
//-----------------------------------------------------------------------------------
// main method for testing purposes
@ -152,7 +155,13 @@ public class PrismParser
public PrismParser()
{
// Call default constructor
this(System.in);
// Build a list of strings for keywords
keywordList.clear();
for (int i = PrismParserConstants.COMMENT+1; i < PrismParserConstants.NOT; i++) {
keywordList.add(PrismParserConstants.tokenImage[i].replaceAll("\"", ""));
}
}
// parse modules file
@ -326,6 +335,13 @@ public class PrismParser
if (comment.trim().length()>0) res += "// " + comment + "\n";
return res;
}
// Test a string to see if it is a PRISM language keyword
public static boolean isKeyword(String s)
{
return keywordList.contains(s);
}
}
//-----------------------------------------------------------------------------------

1
prism/src/parser/PrismParserTokenManager.java
View File

@ -2,6 +2,7 @@
package parser;
import java.io.*;
import java.util.Vector;
import java.util.ArrayList;
import java.util.Stack;
import prism.PrismException;

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