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Posted to dev@tomcat.apache.org by ma...@apache.org on 2019/03/21 12:39:25 UTC
[tomcat] branch 8.5.x updated: Add Java 12 and Java 13 support
This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch 8.5.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/8.5.x by this push:
new e6ddec2 Add Java 12 and Java 13 support
e6ddec2 is described below
commit e6ddec25eaaf24d87e40cb59eb01f26388ccaf5c
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Thu Mar 21 12:29:43 2019 +0000
Add Java 12 and Java 13 support
If used with an ECJ version that does not support these values, a
warning will be logged and the latest supported version will used.
Based on a patch by Thomas Collignon.
---
java/org/apache/jasper/compiler/JDTCompiler.java | 57 +++++++++++++++++++---
.../jasper/resources/LocalStrings.properties | 4 ++
webapps/docs/changelog.xml | 8 +++
3 files changed, 63 insertions(+), 6 deletions(-)
diff --git a/java/org/apache/jasper/compiler/JDTCompiler.java b/java/org/apache/jasper/compiler/JDTCompiler.java
index 6e20eed..4950f3f 100644
--- a/java/org/apache/jasper/compiler/JDTCompiler.java
+++ b/java/org/apache/jasper/compiler/JDTCompiler.java
@@ -346,14 +346,26 @@ public class JDTCompiler extends org.apache.jasper.compiler.Compiler {
JDT_JAVA_9_VERSION);
} else if(opt.equals("10")) {
// Constant not available in latest ECJ version that runs on
- // Java 7
+ // Java 7.
+ // This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_Source, "10");
} else if(opt.equals("11")) {
// Constant not available in latest ECJ version that runs on
- // Java 7
+ // Java 7.
+ // This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_Source, "11");
+ } else if(opt.equals("12")) {
+ // Constant not available in latest available ECJ version.
+ // May be supported in a snapshot build.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_Source, "12");
+ } else if(opt.equals("13")) {
+ // Constant not available in latest available ECJ version.
+ // May be supported in a snapshot build.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_Source, "13");
} else {
- log.warn("Unknown source VM " + opt + " ignored.");
+ log.warn(Localizer.getMessage("jsp.warning.unknown.sourceVM", opt));
settings.put(CompilerOptions.OPTION_Source,
CompilerOptions.VERSION_1_7);
}
@@ -405,16 +417,30 @@ public class JDTCompiler extends org.apache.jasper.compiler.Compiler {
JDT_JAVA_9_VERSION);
} else if(opt.equals("10")) {
// Constant not available in latest ECJ version that runs on
- // Java 7
+ // Java 7.
+ // This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_TargetPlatform, "10");
settings.put(CompilerOptions.OPTION_Compliance, "10");
} else if(opt.equals("11")) {
// Constant not available in latest ECJ version that runs on
- // Java 7
+ // Java 7.
+ // This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_TargetPlatform, "11");
settings.put(CompilerOptions.OPTION_Compliance, "11");
+ } else if(opt.equals("12")) {
+ // Constant not available in latest available ECJ version.
+ // May be supported in a snapshot build.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_TargetPlatform, "12");
+ settings.put(CompilerOptions.OPTION_Compliance, "12");
+ } else if(opt.equals("13")) {
+ // Constant not available in latest available ECJ version.
+ // May be supported in a snapshot build.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_TargetPlatform, "13");
+ settings.put(CompilerOptions.OPTION_Compliance, "13");
} else {
- log.warn("Unknown target VM " + opt + " ignored.");
+ log.warn(Localizer.getMessage("jsp.warning.unknown.targetVM", opt));
settings.put(CompilerOptions.OPTION_TargetPlatform,
CompilerOptions.VERSION_1_7);
}
@@ -485,6 +511,25 @@ public class JDTCompiler extends org.apache.jasper.compiler.Compiler {
compilationUnits[i] = new CompilationUnit(fileNames[i], className);
}
CompilerOptions cOptions = new CompilerOptions(settings);
+
+ // Check source/target JDK versions as the newest versions are allowed
+ // in Tomcat configuration but may not be supported by the ECJ version
+ // being used.
+ String requestedSource = ctxt.getOptions().getCompilerSourceVM();
+ if (requestedSource != null) {
+ String actualSource = CompilerOptions.versionFromJdkLevel(cOptions.sourceLevel);
+ if (!requestedSource.equals(actualSource)) {
+ log.warn(Localizer.getMessage("jsp.warning.unsupported.sourceVM", requestedSource, actualSource));
+ }
+ }
+ String requestedTarget = ctxt.getOptions().getCompilerTargetVM();
+ if (requestedTarget != null) {
+ String actualTarget = CompilerOptions.versionFromJdkLevel(cOptions.targetJDK);
+ if (!requestedTarget.equals(actualTarget)) {
+ log.warn(Localizer.getMessage("jsp.warning.unsupported.targetVM", requestedTarget, actualTarget));
+ }
+ }
+
cOptions.parseLiteralExpressionsAsConstants = true;
Compiler compiler = new Compiler(env,
policy,
diff --git a/java/org/apache/jasper/resources/LocalStrings.properties b/java/org/apache/jasper/resources/LocalStrings.properties
index 233e20b..84293ca 100644
--- a/java/org/apache/jasper/resources/LocalStrings.properties
+++ b/java/org/apache/jasper/resources/LocalStrings.properties
@@ -135,6 +135,10 @@ jsp.warning.unknown.element.in.variable=Unknown element [{0}] in variable
jsp.warning.unknown.element.in.validator=Unknown element [{0}] in validator
jsp.warning.unknown.element.in.initParam=Unknown element [{0}] in validator''s init-param
jsp.warning.unknown.element.in.function=Unknown element [{0}] in function
+jsp.warning.unknown.sourceVM=Unknown source VM [{0}] ignored
+jsp.warning.unknown.targetVM=Unknown target VM [{0}] ignored
+jsp.warning.unsupported.sourceVM=Unsupported source VM [{0}] requested, using [{1}]
+jsp.warning.unsupported.targetVM=Unsupported target VM [{0}] requested, using [{1}]
jsp.error.teiclass.instantiation=Failed to load or instantiate TagExtraInfo class: [{0}]
jsp.error.non_null_tei_and_var_subelems=Tag [{0}] has one or more variable subelements and a TagExtraInfo class that returns one or more VariableInfo
jsp.error.parse.error.in.TLD=Parse Error in the tag library descriptor: [{0}]
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index e3e2029..c7b8cdd 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -93,6 +93,14 @@
Add support for specifying Java 11 (with the value <code>11</code>) as
the compiler source and/or compiler target for JSP compilation. (markt)
</add>
+ <add>
+ Add support for specifying Java 12 (with the value <code>12</code>) and
+ Java 13 (with the value <code>13</code>) as the compiler source and/or
+ compiler target for JSP compilation. If used with an ECJ version that
+ does not support these values, a warning will be logged and the latest
+ supported version will used. Based on a patch by Thomas Collignon.
+ (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Web applications">
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