5230273ab1
- Restructure conditionals into a condExpr precedence level and exception handling into a postfix rule, removing the mutual left recursion through expr/atomExpr (ANTLR error 119) - Rewrite pattern as patternAtom (COMMA patternAtom)*, removing left recursion with an empty-matchable tail (ANTLR error 148) - Drop the LAMBDA token fully shadowed by LAMBDA_VAR (warning 184) - Give \Rightarrow to EXPORT only; IMPLIES keeps \implies (warning 184) - Remove @header package declaration that duplicated the -package argument and made the generated parser uncompilable - Point the ANTLR source set at src/main/antlr4 so Gradle actually finds the grammar - Treat ANTLR warnings as errors (-Werror) - Record decisions in DECISIONS.md
54 lines
No EOL
1.3 KiB
Groovy
54 lines
No EOL
1.3 KiB
Groovy
plugins {
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id 'java'
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id 'antlr'
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}
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group = 'com.mpl'
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version = '0.1-alpha'
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repositories {
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mavenCentral()
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}
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dependencies {
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antlr 'org.antlr:antlr4:4.13.1'
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implementation 'org.antlr:antlr4-runtime:4.13.1'
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testImplementation 'junit:junit:4.13.2'
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testImplementation 'org.hamcrest:hamcrest:2.2'
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}
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generateGrammarSource {
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maxHeapSize = "64m"
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// -Werror: any ANTLR warning (e.g. 184, token shadowing) fails the build
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arguments += ["-visitor", "-listener", "-Werror", "-package", "com.mpl.parser"]
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outputDirectory = file("${project.buildDir}/generated-src/antlr/main/com/mpl/parser")
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}
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compileJava.dependsOn generateGrammarSource
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sourceSets {
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main {
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antlr {
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// The Gradle ANTLR plugin defaults to src/main/antlr; the grammar
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// lives in src/main/antlr4 (Maven layout).
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srcDirs = ['src/main/antlr4']
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}
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java {
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srcDirs += "${project.buildDir}/generated-src/antlr/main"
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}
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}
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}
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test {
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testLogging {
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events "passed", "skipped", "failed"
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exceptionFormat "full"
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}
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}
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task parseExamples(type: JavaExec, dependsOn: classes) {
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mainClass = 'com.mpl.test.ParseExamples'
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classpath = sourceSets.main.runtimeClasspath
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args = ['examples']
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} |