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- # set these first four variables appropriately for your system
- eclipseWorkspace = "c:/aspectj/2.1/eclipse/workspace"
- workingDir = "c:/apps/jikespg/jdt/tmp"
-
- jikespg = "c:/apps/jikespg/src/jikespg.exe"
- makersc = "c:/j2sdk1.4/bin/java -classpath c:/aspectj/2.1/eclipse/workspace/org.eclipse.jdt.core/bin;c:/apps/jikespg/jdt UpdateParserFiles"
-
- # the rest of this should never change
- ajCompilerHomeRel = "org.aspectj.ajdt.core/src/"
- javaCompilerHomeRel = "org.eclipse.jdt.core/compiler/"
-
- compilerHomeRel = ajCompilerHomeRel
- parserHomeRel = ajCompilerHomeRel + "org/aspectj/ajdt/internal/compiler/parser"
- parserInfoFileRel = javaCompilerHomeRel + "org/eclipse/jdt/internal/compiler/parser/ParserBasicInformation.java"
- symbolsHomeRel = javaCompilerHomeRel + "org/eclipse/jdt/internal/compiler/parser/TerminalTokens.java"
- # symbolsHomeRel = "org/aspectj/ajdt/compiler/IAjTerminalSymbols.java"
- parserClass = "AjParser.java"
- grammarFileRel = javaCompilerHomeRel + "../grammar/java_1_4.g"
-
- import os
- from os import path
- import re
-
- def readFile(name, mode=''):
- f = open(name, 'r'+mode)
- text = f.read()
- f.close()
- return text
-
- def writeFile(name, text, mode=''):
- f = open(name, 'w'+mode)
- f.write(text)
- f.close()
-
- compilerHome = path.join(eclipseWorkspace, compilerHomeRel)
- parserHome = path.join(eclipseWorkspace, parserHomeRel)
- symbolFile = path.join(eclipseWorkspace, symbolsHomeRel)
- parserInfoFile = path.join(eclipseWorkspace, parserInfoFileRel)
-
- parserFile = path.join(parserHome, parserClass)
- parserText = readFile(parserFile)
-
- if grammarFileRel == None:
- r = re.compile(r"public final static void grammar\(\){.*(--main.*\$end\n)-- need", re.DOTALL)
- match = r.search(parserText)
- grammar = match.group(1)
- else:
- grammar = readFile(path.join(eclipseWorkspace, grammarFileRel), 'b')
- #print grammar
-
- grammarFile = path.join(workingDir, "java.g")
- writeFile(grammarFile, grammar, 'b')
- os.chdir(workingDir)
- os.system("%s java.g" % jikespg)
-
- #3.1 Copy the contents of the JavaAction.java file into the consumeRule(int) method of the org.eclipse.jdt.internal.compiler.parser.Parser class.
-
- newConsumeRule = readFile(path.join(workingDir, "JavaAction.java"))
- #print newConsumeRule
-
- r = re.compile(r"(// This method is part of an automatic generation : do NOT edit-modify\W+protected void consumeRule\(int act\) {.*)protected void consumeSimpleAssertStatement\(\) {", re.DOTALL)
-
- match = r.search(parserText)
- parserText = parserText.replace(match.group(1), newConsumeRule)
-
-
- #3.2 The definition of the Parser needs to be updated with two tables from javadcl.java. Those are rhs[] and name[].
-
- newTables = readFile(path.join(workingDir, "javadcl.java"))
- r = re.compile(r"(public final static byte rhs\[\] = \{[^}]*\};)", re.DOTALL)
- rhsTable = r.search(newTables).group(0)
-
- parserText = parserText.replace(r.search(parserText).group(0), rhsTable)
-
-
- r = re.compile(r"(public final static String name\[\] = \{[^}]*\}[^}]*\};)", re.DOTALL)
- nameTable = r.search(newTables).group(0)
- nameTable = nameTable.replace("\"$eof\"", "UNEXPECTED_EOF")
- nameTable = nameTable.replace("$error", "Invalid Character")
-
- parserText = parserText.replace(r.search(parserText).group(0), nameTable)
-
-
- #we're done w/ Parser.java
- writeFile(parserFile, parserText)
-
-
-
- #3.3 The class org.eclipse.jdt.internal.compiler.parser.ParserBasicInformation needs to be updated with the content of the file javadef.java.
-
- defs = readFile(path.join(workingDir, "javadef.java"))
- r = re.compile(r"(public final static int[^;]*;)", re.DOTALL)
- syms = r.search(defs).group(0)
- #print syms
-
- text = readFile(parserInfoFile)
- text = text.replace(r.search(text).group(0), syms)
-
- writeFile(parserInfoFile, text)
-
- #3.4 This is the contents of the class org.eclipse.jdt.internal.compiler.parser.TerminalSymbols.
-
- defs = readFile(path.join(workingDir, "javasym.java"))
- r = re.compile(r"(int\s+TokenNameIdentifier[^;]*;)", re.DOTALL)
- syms = r.search(defs).group(0)
- syms = syms.replace("$eof", "EOF")
- syms = syms.replace("$error", "ERROR")
-
- print syms
-
- text = readFile(symbolFile)
- text = text.replace(r.search(text).group(0), syms)
-
- writeFile(symbolFile, text)
-
- #3.5 The last step is to update the resource files:
-
- os.chdir(workingDir)
- os.system("%s javadcl.java" % makersc)
-
- for i in range(1,6):
- name = "parser%d.rsc" % i
- print "moving", name
- t = readFile(path.join(workingDir, name), 'b')
- writeFile(path.join(parserHome, name), t, 'b')
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