diff options
6 files changed, 98 insertions, 2 deletions
diff --git a/hobgoblin/src/output/lang/rust/ast.hob b/hobgoblin/src/output/lang/rust/ast.hob index cb4a5cf..68cd64e 100644 --- a/hobgoblin/src/output/lang/rust/ast.hob +++ b/hobgoblin/src/output/lang/rust/ast.hob @@ -236,12 +236,15 @@ struct RustVecRepeatExpression { sum RustPattern { variant RustIdentifierPattern; + variant RustWildcardPattern; } struct RustIdentifierPattern { field variableName: RustIdentifier; } +struct RustWildcardPattern {} + // == Types == sum RustType { diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java index ef73933..e3991c8 100644 --- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriter.java @@ -616,11 +616,15 @@ public class RustWriter implements AutoCloseable { // == Patterns == - private void writePattern(RustPattern pattern) throws IOException { + void writePattern(RustPattern pattern) throws IOException { switch (pattern) { case RustIdentifierPattern identifierPattern -> { this.writeIdentifierPattern(identifierPattern); } + + case RustWildcardPattern wildcardPattern -> { + this.writeWildcardPattern(wildcardPattern); + } } } @@ -630,6 +634,12 @@ public class RustWriter implements AutoCloseable { this.writeIdentifier(identifierPattern.variableName()); } + private void writeWildcardPattern( + RustWildcardPattern wildcardPattern + ) throws IOException { + this.writer.write("_"); + } + // == Types == void writeType(RustType type) throws IOException { diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java index 47e7237..50ee8eb 100644 --- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustPattern.java @@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.rust.ast; // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern imports // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern imports -public sealed interface RustPattern permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifierPattern { +public sealed interface RustPattern permits org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustIdentifierPattern, org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern { public interface Builder { public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern build(); diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPattern.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPattern.java new file mode 100644 index 0000000..7bc3ce7 --- /dev/null +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPattern.java @@ -0,0 +1,24 @@ +// Generated by hobgoblin. + +package org.zwobble.hobgoblin.compiler.output.lang.rust.ast; + +// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern imports +// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern imports + +public record RustWildcardPattern() implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern { + public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern.Builder arbitrary() { + return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern.Builder(); + } + + public record Builder() implements org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustPattern.Builder { + public org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern build() { + return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern(); + } + + // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern.Builder body + // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern.Builder body + } + + // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern body + // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern body +} diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java index 5ffebf1..d036f78 100644 --- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java +++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/RustWriterTests.java @@ -835,6 +835,32 @@ public class RustWriterTests { assertThat(string, equalTo("a + b + (c + d)")); } + // == Patterns == + + // === Identifier patterns === + + @Test + public void identifierPattern() throws IOException { + var rust = RustIdentifierPattern.arbitrary() + .withVariableName(RustIdentifier.of("x")) + .build(); + + var string = write(writer -> writer.writePattern(rust)); + + assertThat(string, equalTo("x")); + } + + // === Wildcard patterns === + + @Test + public void wildcardPattern() throws IOException { + var rust = RustWildcardPattern.arbitrary().build(); + + var string = write(writer -> writer.writePattern(rust)); + + assertThat(string, equalTo("_")); + } + // == Types == @Test diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPatternMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPatternMatcher.java new file mode 100644 index 0000000..26eee96 --- /dev/null +++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/rust/ast/RustWildcardPatternMatcher.java @@ -0,0 +1,33 @@ +// Generated by hobgoblin. + +package org.zwobble.hobgoblin.compiler.output.lang.rust.ast; + +// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher imports +// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher imports + +public class RustWildcardPatternMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> { + public static org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher isRustWildcardPattern() { + return new org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher(java.util.List.of()); + } + + private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern>> submatchers; + + private RustWildcardPatternMatcher(java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern>> submatchers) { + this.submatchers = submatchers; + } + + public org.zwobble.precisely.MatchResult match(java.lang.Object actual) { + return this.toMatcher().match(actual); + } + + public org.zwobble.precisely.TextTree describe() { + return this.toMatcher().describe(); + } + + private org.zwobble.precisely.Matcher<java.lang.Object> toMatcher() { + return org.zwobble.precisely.Matchers.instanceOf(org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPattern.class, this.submatchers); + } + + // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher body + // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.rust.ast.RustWildcardPatternMatcher body +} |