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Avoid throwing IOExceptions #6

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5d73393
Fix CI failures and remove generated files from Git
zbynek Oct 26, 2025
e460bfe
Avoid throwing IOExceptions
zbynek Oct 28, 2025
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29 changes: 18 additions & 11 deletions .github/workflows/maven.yml
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Expand Up @@ -40,6 +40,7 @@ jobs:

runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: [ubuntu-latest, windows-latest, macos-latest]

Expand All @@ -62,9 +63,7 @@ jobs:
- name: clone javacc-8-java
uses: actions/checkout@v4
with:
repository: javacc/javacc-8-java.git
path: javacc-8-java
ref: release

- name: Set up JDK 11
uses: actions/setup-java@v4
Expand All @@ -73,13 +72,6 @@ jobs:
java-version: '11'
cache: 'maven'

- name: Cache Maven packages
uses: actions/cache@v4
with:
path: ~/.m2
key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
restore-keys: ${{ runner.os }}-m2

# -B: batch mode; -e: produce execution error messages;
# -X: debug mode; -N: non-recursive (don't build submodules)

Expand All @@ -88,6 +80,21 @@ jobs:

- name: Run install on javacc-8-core
run: mvn install -B --show-version --file javacc-8-core/pom.xml

- name: Run install on javacc-8-java
- name: Run install on javacc-8-java (posix)
if: ${{ matrix.os != 'windows-latest' }}
run: USERPROFILE=$HOME mvn install -B --show-version --file javacc-8-java/pom.xml
- name: Run install on javacc-8-java (windows)
env:
MAVEN_OPTS: -Dfile.encoding=utf-8
if: ${{ matrix.os == 'windows-latest' }}
run: mvn install -B --show-version --file javacc-8-java/pom.xml

- name: Upload output files for review
uses: actions/upload-artifact@v4
if: always()
with:
name: outputs-${{ matrix.os }}
path: |
**/*.out
**/*.err
**/build.log
38 changes: 38 additions & 0 deletions examples/GUIParsing/TokenMgrVersion/src/main/java/CharCollector.java
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Expand Up @@ -47,6 +47,7 @@ public class CharCollector implements CharStream {

protected boolean trackLineColumn = true;
protected int tabSize = 1;
private char nextChar;

/** Puts a character into the buffer. Called by the GUI. */
public final synchronized void put(char c) {
Expand Down Expand Up @@ -207,4 +208,41 @@ public int getTabSize() {
public void setTabSize(int i) {
tabSize = i;
}

/**
* Returns next character.
*
* @return next character in the input
*/
public char getNextChar() {
return nextChar;
}

/**
* Checks next character.
*
* @return whether next character is available
*/
public boolean hasNextChar() {
try {
nextChar = readChar();
return true;
} catch (java.io.IOException ex) {
return false;
}
}

/**
* Checks next character and marks new token.
*
* @return whether next character is available
*/
public boolean hasNextToken() {
try {
nextChar = BeginToken();
return true;
} catch (java.io.IOException ex) {
return false;
}
}
}
36 changes: 18 additions & 18 deletions examples/Gwt/pom.xml
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Expand Up @@ -88,8 +88,8 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>GwtSimpleParser</mainClass>
<arguments>
<argument>${project.basedir}/simple/out</argument>
<argument>${project.basedir}/simple/err</argument>
<argument>${project.basedir}/simple/compiler.out</argument>
<argument>${project.basedir}/simple/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -102,8 +102,8 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>GwtUnicodeParser</mainClass>
<arguments>
<argument>${project.basedir}/unicode/out</argument>
<argument>${project.basedir}/unicode/err</argument>
<argument>${project.basedir}/unicode/compiler.out</argument>
<argument>${project.basedir}/unicode/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -122,18 +122,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/simple/out" property="isActualAvailable" />
<available file="${project.basedir}/simple/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/simple/out does not exist!" />
<available file="${project.basedir}/simple/ref" property="isExpectedAvailable" />
message="${project.basedir}/simple/compiler.out does not exist!" />
<available file="${project.basedir}/simple/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/simple/ref does not exist!" />
message="${project.basedir}/simple/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/simple/out"
file2="${project.basedir}/simple/ref" textfile="true" />
<filesmatch file1="${project.basedir}/simple/compiler.out"
file2="${project.basedir}/simple/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/simple/out does not match ${project.basedir}/simple/ref!" />
message="${project.basedir}/simple/compiler.out does not match ${project.basedir}/simple/compiler.ref!" />
</target>
</configuration>
</execution>
Expand All @@ -145,18 +145,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/unicode/out" property="isActualAvailable" />
<available file="${project.basedir}/unicode/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/unicode/out does not exist!" />
<available file="${project.basedir}/unicode/ref" property="isExpectedAvailable" />
message="${project.basedir}/unicode/compiler.out does not exist!" />
<available file="${project.basedir}/unicode/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/unicode/ref does not exist!" />
message="${project.basedir}/unicode/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/unicode/out"
file2="${project.basedir}/unicode/ref" textfile="true" />
<filesmatch file1="${project.basedir}/unicode/compiler.out"
file2="${project.basedir}/unicode/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/unicode/out does not match ${project.basedir}/unicode/ref!" />
message="${project.basedir}/unicode/compiler.out does not match ${project.basedir}/unicode/compiler.ref!" />
</target>
</configuration>
</execution>
Expand Down
0 examples/Gwt/simple/ref → examples/Gwt/simple/compiler.ref
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1 change: 0 additions & 1 deletion examples/Gwt/simple/out
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0 examples/Gwt/unicode/ref → examples/Gwt/unicode/compiler.ref
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1 change: 0 additions & 1 deletion examples/Gwt/unicode/out
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0 examples/Simple/idlist/in → examples/Simple/idlist/compiler.in
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0 examples/Simple/idlist/out → examples/Simple/idlist/compiler.ref
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6 changes: 0 additions & 6 deletions examples/Simple/idlist/ref
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100 changes: 50 additions & 50 deletions examples/Simple/pom.xml
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Expand Up @@ -61,9 +61,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>simple1.Simple1</mainClass>
<arguments>
<argument>${project.basedir}/simple1/in</argument>
<argument>${project.basedir}/simple1/out</argument>
<argument>${project.basedir}/simple1/err</argument>
<argument>${project.basedir}/simple1/compiler.in</argument>
<argument>${project.basedir}/simple1/compiler.out</argument>
<argument>${project.basedir}/simple1/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -76,9 +76,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>simple2.Simple2</mainClass>
<arguments>
<argument>${project.basedir}/simple2/in</argument>
<argument>${project.basedir}/simple2/out</argument>
<argument>${project.basedir}/simple2/err</argument>
<argument>${project.basedir}/simple2/compiler.in</argument>
<argument>${project.basedir}/simple2/compiler.out</argument>
<argument>${project.basedir}/simple2/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -91,9 +91,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>simple3.Simple3</mainClass>
<arguments>
<argument>${project.basedir}/simple3/in</argument>
<argument>${project.basedir}/simple3/out</argument>
<argument>${project.basedir}/simple3/err</argument>
<argument>${project.basedir}/simple3/compiler.in</argument>
<argument>${project.basedir}/simple3/compiler.out</argument>
<argument>${project.basedir}/simple3/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -106,9 +106,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>xlator.NL_Xlator</mainClass>
<arguments>
<argument>${project.basedir}/xlator/in</argument>
<argument>${project.basedir}/xlator/out</argument>
<argument>${project.basedir}/xlator/err</argument>
<argument>${project.basedir}/xlator/compiler.in</argument>
<argument>${project.basedir}/xlator/compiler.out</argument>
<argument>${project.basedir}/xlator/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -121,9 +121,9 @@ THE POSSIBILITY OF SUCH DAMAGE.
<configuration>
<mainClass>idlist.IdList</mainClass>
<arguments>
<argument>${project.basedir}/idlist/in</argument>
<argument>${project.basedir}/idlist/out</argument>
<argument>${project.basedir}/idlist/err</argument>
<argument>${project.basedir}/idlist/compiler.in</argument>
<argument>${project.basedir}/idlist/compiler.out</argument>
<argument>${project.basedir}/idlist/compiler.err</argument>
</arguments>
</configuration>
</execution>
Expand All @@ -142,18 +142,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/simple1/out" property="isActualAvailable" />
<available file="${project.basedir}/simple1/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/simple1/out does not exist!" />
<available file="${project.basedir}/simple1/ref" property="isExpectedAvailable" />
message="${project.basedir}/simple1/compiler.out does not exist!" />
<available file="${project.basedir}/simple1/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/simple1/ref does not exist!" />
message="${project.basedir}/simple1/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/simple1/out"
file2="${project.basedir}/simple1/ref" textfile="true" />
<filesmatch file1="${project.basedir}/simple1/compiler.out"
file2="${project.basedir}/simple1/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/simple1/out does not match ${project.basedir}/simple1/ref!" />
message="${project.basedir}/simple1/compiler.out does not match ${project.basedir}/simple1/compiler.ref!" />
</target>
</configuration>
</execution>
Expand All @@ -166,15 +166,15 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/simple2/out" property="isActualAvailable" />
<fail unless="isActualAvailable" message="${project.basedir}/simple2/out does not exist!" />
<available file="${project.basedir}/simple2/ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable" message="${project.basedir}/simple2/ref does not exist!" />
<available file="${project.basedir}/simple2/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable" message="${project.basedir}/simple2/compiler.out does not exist!" />
<available file="${project.basedir}/simple2/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable" message="${project.basedir}/simple2/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/simple2/out" file2="${project.basedir}/simple2/ref" />
<filesmatch file1="${project.basedir}/simple2/compiler.out" file2="${project.basedir}/simple2/compiler.ref" />
</condition>
<fail unless="files.match" message="${project.basedir}/simple2/out does not match
${project.basedir}/simple2/ref!" />
<fail unless="files.match" message="${project.basedir}/simple2/compiler.out does not match
${project.basedir}/simple2/compiler.ref!" />
</target>
</configuration>
</execution>
Expand All @@ -187,18 +187,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/simple3/out" property="isActualAvailable" />
<available file="${project.basedir}/simple3/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/simple3/out does not exist!" />
<available file="${project.basedir}/simple3/ref" property="isExpectedAvailable" />
message="${project.basedir}/simple3/compiler.out does not exist!" />
<available file="${project.basedir}/simple3/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/simple3/ref does not exist!" />
message="${project.basedir}/simple3/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/simple3/out"
file2="${project.basedir}/simple3/ref" textfile="true" />
<filesmatch file1="${project.basedir}/simple3/compiler.out"
file2="${project.basedir}/simple3/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/simple3/out does not match ${project.basedir}/simple3/ref!" />
message="${project.basedir}/simple3/compiler.out does not match ${project.basedir}/simple3/compiler.ref!" />
</target>
</configuration>
</execution>
Expand All @@ -210,18 +210,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/xlator/out" property="isActualAvailable" />
<available file="${project.basedir}/xlator/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/xlator/out does not exist!" />
<available file="${project.basedir}/xlator/ref" property="isExpectedAvailable" />
message="${project.basedir}/xlator/compiler.out does not exist!" />
<available file="${project.basedir}/xlator/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/xlator/ref does not exist!" />
message="${project.basedir}/xlator/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/xlator/out"
file2="${project.basedir}/xlator/ref" textfile="true" />
<filesmatch file1="${project.basedir}/xlator/compiler.out"
file2="${project.basedir}/xlator/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/xlator/out does not match ${project.basedir}/xlator/ref!" />
message="${project.basedir}/xlator/compiler.out does not match ${project.basedir}/xlator/compiler.ref!" />
</target>
</configuration>
</execution>
Expand All @@ -233,18 +233,18 @@ THE POSSIBILITY OF SUCH DAMAGE.
</goals>
<configuration>
<target>
<available file="${project.basedir}/idlist/out" property="isActualAvailable" />
<available file="${project.basedir}/idlist/compiler.out" property="isActualAvailable" />
<fail unless="isActualAvailable"
message="${project.basedir}/idlist/out does not exist!" />
<available file="${project.basedir}/idlist/ref" property="isExpectedAvailable" />
message="${project.basedir}/idlist/compiler.out does not exist!" />
<available file="${project.basedir}/idlist/compiler.ref" property="isExpectedAvailable" />
<fail unless="isExpectedAvailable"
message="${project.basedir}/idlist/ref does not exist!" />
message="${project.basedir}/idlist/compiler.ref does not exist!" />
<condition property="files.match">
<filesmatch file1="${project.basedir}/idlist/out"
file2="${project.basedir}/idlist/ref" textfile="true" />
<filesmatch file1="${project.basedir}/idlist/compiler.out"
file2="${project.basedir}/idlist/compiler.ref" textfile="true" />
</condition>
<fail unless="files.match"
message="${project.basedir}/idlist/out does not match ${project.basedir}/idlist/ref!" />
message="${project.basedir}/idlist/compiler.out does not match ${project.basedir}/idlist/compiler.ref!" />
</target>
</configuration>
</execution>
Expand Down
0 examples/Simple/simple1/in → examples/Simple/simple1/compiler.in
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0 examples/Simple/simple2/in → examples/Simple/simple2/compiler.in
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0 examples/Simple/simple2/ref → examples/Simple/simple2/compiler.ref
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12 changes: 0 additions & 12 deletions examples/Simple/simple2/out
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0 examples/Simple/simple3/in → examples/Simple/simple3/compiler.in
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