Add simple SQL SELECTs to AST

4 files changed, 175 insertions, 0 deletions

diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/SqlWriterTests.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/SqlWriterTests.java
index 42b075f..0b303f1 100644
--- a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/SqlWriterTests.java
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/SqlWriterTests.java
@@ -105,6 +105,32 @@ public class SqlWriterTests {
         ));
     }
 
+    // === Select statements ===
+
+    @Test
+    public void minimalSelectStatement() throws IOException {
+        var sql = SqlSelectStatement.arbitrary()
+            .addColumn(SqlResultColumn.arbitrary()
+                .withExpression(ref("a"))
+                .withAlias(id("x"))
+            )
+            .addColumn(SqlResultColumn.arbitrary()
+                .withExpression(ref("b"))
+                .withAlias(id("y"))
+            )
+            .withFrom(id("blah"))
+            .build();
+
+        var string = write(writer -> writer.writeStatement(sql));
+
+        assertThat(string, equalTo("""
+            SELECT
+                a AS x,
+                b AS y
+            FROM blah;"""
+        ));
+    }
+
     // == Table constraints ==
 
     @Test
@@ -130,6 +156,17 @@ public class SqlWriterTests {
         assertThat(string, equalTo("PRIMARY KEY (a, b)"));
     }
 
+    // === Expressions ===
+
+    @Test
+    public void ref() throws IOException {
+        var sql = ref("a");
+
+        var string = write(writer -> writer.writeExpression(sql));
+
+        assertThat(string, equalTo("a"));
+    }
+
     // == Test utilities ==
 
     private String write(SqlWriter.Write write) throws IOException {
@@ -147,6 +184,9 @@ public class SqlWriterTests {
 
     private SqlIdentifier id(String value) {
         return new SqlIdentifier(value);
+    }
 
+    private SqlRef ref(String name) {
+        return new SqlRef(id(name));
     }
 }
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlRefMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlRefMatcher.java
new file mode 100644
index 0000000..c56f266
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlRefMatcher.java
@@ -0,0 +1,41 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.sql.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher imports
+
+public final class SqlRefMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher isSqlRef() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRef>> submatchers;
+
+    private SqlRefMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRef>> 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.sql.ast.SqlRef.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher withName(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlIdentifier> name) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRef>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("name", org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRef::name, (org.zwobble.precisely.Matcher) name));
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlRefMatcher body
+}
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlResultColumnMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlResultColumnMatcher.java
new file mode 100644
index 0000000..772b6c5
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlResultColumnMatcher.java
@@ -0,0 +1,47 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.sql.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher imports
+
+public final class SqlResultColumnMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher isSqlResultColumn() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn>> submatchers;
+
+    private SqlResultColumnMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn>> 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.sql.ast.SqlResultColumn.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher withExpression(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlExpression> expression) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("expression", org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn::expression, (org.zwobble.precisely.Matcher) expression));
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher withAlias(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlIdentifier> alias) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("alias", org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn::alias, (org.zwobble.precisely.Matcher) alias));
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumnMatcher body
+}
diff --git a/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlSelectStatementMatcher.java b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlSelectStatementMatcher.java
new file mode 100644
index 0000000..ba99111
--- /dev/null
+++ b/src/test/java/org/zwobble/hobgoblin/compiler/output/lang/sql/ast/SqlSelectStatementMatcher.java
@@ -0,0 +1,47 @@
+// Generated by hobgoblin.
+
+package org.zwobble.hobgoblin.compiler.output.lang.sql.ast;
+
+// Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher imports
+// Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher imports
+
+public final class SqlSelectStatementMatcher implements org.zwobble.precisely.Matcher<java.lang.Object> {
+    public static org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher isSqlSelectStatement() {
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher(java.util.List.of());
+    }
+
+    private final java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement>> submatchers;
+
+    private SqlSelectStatementMatcher(
+        java.util.List<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement>> 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.sql.ast.SqlSelectStatement.class, this.submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher withColumns(org.zwobble.precisely.Matcher<? super java.util.List<org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlResultColumn>> columns) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("columns", org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement::columns, (org.zwobble.precisely.Matcher) columns));
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher(submatchers);
+    }
+
+    public org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher withFrom(org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlIdentifier> from) {
+        var submatchers = new java.util.ArrayList<org.zwobble.precisely.Matcher<? super org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement>>(this.submatchers);
+        submatchers.add(org.zwobble.precisely.Matchers.has("from", org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatement::from, (org.zwobble.precisely.Matcher) from));
+        return new org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher(submatchers);
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher body
+    // Custom area end: org.zwobble.hobgoblin.compiler.output.lang.sql.ast.SqlSelectStatementMatcher body
+}