From ea5daa6b523813b5d244a8b8aa72943e91e7d3f2 Mon Sep 17 00:00:00 2001 From: Michael Williamson Date: Sat, 11 Jul 2026 15:36:00 +0100 Subject: Add if statements to Java AST --- .../compiler/output/lang/java/JavaWriter.java | 29 +++++++++++++ .../output/lang/java/ast/JavaBlockStatement.java | 2 +- .../output/lang/java/ast/JavaIfStatement.java | 48 ++++++++++++++++++++++ 3 files changed, 78 insertions(+), 1 deletion(-) create mode 100644 src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaIfStatement.java (limited to 'src/main/java/org/zwobble') diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java index aa1f3c1..48b39f5 100644 --- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/JavaWriter.java @@ -408,6 +408,10 @@ public class JavaWriter implements AutoCloseable { writeExpressionStatement(expressionStatement); } + case JavaIfStatement ifStatement -> { + writeIfStatement(ifStatement); + } + case JavaLocalVariableDeclaration localVariableDeclaration -> { writeLocalVariableDeclaration(localVariableDeclaration); } @@ -475,6 +479,31 @@ public class JavaWriter implements AutoCloseable { this.writer.write(";"); } + private void writeIfStatement(JavaIfStatement ifStatement) throws IOException { + this.writer.write("if ("); + this.writeTopLevelExpression(ifStatement.condition()); + this.writer.write(") {"); + this.writer.indent(); + if (!ifStatement.ifTrue().isEmpty()) { + + this.writer.newLine(); + this.writeBlock(ifStatement.ifTrue()); + } + this.writer.dedent(); + this.writer.newLine(); + this.writer.write("}"); + + if (!ifStatement.ifFalse().isEmpty()) { + this.writer.write(" else {"); + this.writer.indent(); + this.writer.newLine(); + this.writeBlock(ifStatement.ifFalse()); + this.writer.dedent(); + this.writer.newLine(); + this.writer.write("}"); + } + } + private void writeLocalVariableDeclaration(JavaLocalVariableDeclaration localVariableDeclaration) throws IOException { writeLocalVariableType(localVariableDeclaration.type()); diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBlockStatement.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBlockStatement.java index 707134c..dd5add4 100644 --- a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBlockStatement.java +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaBlockStatement.java @@ -5,7 +5,7 @@ package org.zwobble.hobgoblin.compiler.output.lang.java.ast; // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlockStatement imports // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlockStatement imports -public sealed interface JavaBlockStatement permits org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBasicForStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaEnhancedForStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpressionStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaLocalVariableDeclaration, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaReturn { +public sealed interface JavaBlockStatement permits org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBasicForStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaEnhancedForStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpressionStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaLocalVariableDeclaration, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaReturn { public interface Builder { public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlockStatement build(); diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaIfStatement.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaIfStatement.java new file mode 100644 index 0000000..bb22ff5 --- /dev/null +++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/lang/java/ast/JavaIfStatement.java @@ -0,0 +1,48 @@ +// Generated by hobgoblin. + +package org.zwobble.hobgoblin.compiler.output.lang.java.ast; + +// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement imports +// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement imports + +public record JavaIfStatement(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression condition, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifTrue, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifFalse) implements org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlockStatement { + public static org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder arbitrary() { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBooleanLiteral.arbitrary().build(), org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock.arbitrary().build(), org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock.arbitrary().build()); + } + + public record Builder(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression condition, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifTrue, org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifFalse) implements org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlockStatement.Builder { + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement build() { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement(condition, ifTrue, ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withCondition(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression condition) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition, ifTrue, ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withCondition(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaExpression.Builder condition) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition.build(), ifTrue, ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withIfTrue(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifTrue) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition, ifTrue, ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withIfTrue(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock.Builder ifTrue) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition, ifTrue.build(), ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withIfFalse(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock ifFalse) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition, ifTrue, ifFalse); + } + + public org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder withIfFalse(org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaBlock.Builder ifFalse) { + return new org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder(condition, ifTrue, ifFalse.build()); + } + + // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder body + // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement.Builder body + } + + // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement body + // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.java.ast.JavaIfStatement body +} -- cgit v1.2.3