support bind_param in first col of select clause

crates/uroborosql-fmt/src/cst/body.rs

@@ -107,7 +107,7 @@ impl Body {
             Body::Insert(_) => false,
             Body::With(_) => false,
             Body::SingleLine(single_line) => single_line.try_set_head_comment(comment),
-            Body::Select(_) => false,
+            Body::Select(select) => select.try_set_head_comment(comment),
         }
     }
 }

crates/uroborosql-fmt/src/cst/body/select.rs

@@ -56,6 +56,20 @@ impl SelectBody {
         Ok(())
     }
 
+    pub(crate) fn try_set_head_comment(&mut self, comment: Comment) -> bool {
+        // select_clause_bodyが存在し、空ではなく、先頭とコメントが隣接している場合
+        // select_clause_bodyの先頭要素にバインドパラメータをセットする
+        if let Some(select_clause_body) = &mut self.select_clause_body {
+            if let Some(select_clause_body_loc) = select_clause_body.loc() {
+                if comment.loc().is_next_to(&select_clause_body_loc) {
+                    return select_clause_body.try_set_head_comment(comment);
+                }
+            }
+        }
+
+        false
+    }
+
     pub(crate) fn is_empty(&self) -> bool {
         self.all_distinct.is_none() && self.select_clause_body.is_none()
     }

crates/uroborosql-fmt/testfiles/dst/select/bind_param.sql

@@ -6,3 +6,7 @@ from
 where
 	t.a			=	/*var*/1
 and	/*var2*/1	=	t.c
+;
+select /* _SQL_ID_ */
+	/*x*/'x'	as	x
+,	/*y*/'y'	as	y

crates/uroborosql-fmt/testfiles/src/select/bind_param.sql

@@ -1,4 +1,8 @@
 select a, /*param*/'1' as b
 from t
 where t.a = /*var*/1
-and /*var2*/1 = t.c
+and /*var2*/1 = t.c;
+
+select /* _SQL_ID_ */
+/*x*/'x' as	x
+, /*y*/'y' as	y

err.txt

@@ -0,0 +1,159 @@
+   Compiling uroborosql-fmt v0.1.0 (/Users/ppputtyo/Documents/Future/uroborosql-fmt/crates/uroborosql-fmt)
+   Compiling uroborosql-fmt-cli v0.1.0 (/Users/ppputtyo/Documents/Future/uroborosql-fmt/crates/uroborosql-fmt-cli)
+   Compiling uroborosql-fmt-napi v0.0.0 (/Users/ppputtyo/Documents/Future/uroborosql-fmt/crates/uroborosql-fmt-napi)
+   Compiling uroborosql-fmt-wasm v0.1.0 (/Users/ppputtyo/Documents/Future/uroborosql-fmt/crates/uroborosql-fmt-wasm)
+    Finished dev [unoptimized + debuginfo] target(s) in 7.35s
+     Running `target/debug/uroborosql-fmt-cli test.sql out.sql`
+
+==================== normal mode ====================
+
+source_file [(0, 0)-(1, 14)]
+	select_statement [(0, 0)-(1, 14)]
+		select_clause [(0, 0)-(1, 14)]
+			SELECT [(0, 0)-(0, 6)]
+			comment [(0, 7)-(0, 21)]
+			comment [(1, 1)-(1, 6)]
+			select_clause_body [(1, 6)-(1, 14)]
+				alias [(1, 6)-(1, 14)]
+					string [(1, 6)-(1, 9)]
+						' [(1, 6)-(1, 7)]
+						content [(1, 7)-(1, 8)]
+						' [(1, 8)-(1, 9)]
+					AS [(1, 10)-(1, 12)]
+					identifier [(1, 13)-(1, 14)]
+[
+    Statement {
+        clauses: [
+            Clause {
+                keyword: "select",
+                body: Some(
+                    Select(
+                        SelectBody {
+                            loc: Some(
+                                Location {
+                                    start_position: Position {
+                                        row: 1,
+                                        col: 6,
+                                    },
+                                    end_position: Position {
+                                        row: 1,
+                                        col: 14,
+                                    },
+                                },
+                            ),
+                            all_distinct: None,
+                            select_clause_body: Some(
+                                SepLines(
+                                    SeparatedLines {
+                                        contents: [
+                                            SepLinesContent {
+                                                sep: None,
+                                                preceding_comments: [],
+                                                expr: AlignedExpr {
+                                                    lhs: Primary(
+                                                        PrimaryExpr {
+                                                            element: "'x'",
+                                                            loc: Location {
+                                                                start_position: Position {
+                                                                    row: 1,
+                                                                    col: 1,
+                                                                },
+                                                                end_position: Position {
+                                                                    row: 1,
+                                                                    col: 9,
+                                                                },
+                                                            },
+                                                            head_comment: Some(
+                                                                "/*x*/",
+                                                            ),
+                                                        },
+                                                    ),
+                                                    rhs: Some(
+                                                        Primary(
+                                                            PrimaryExpr {
+                                                                element: "x",
+                                                                loc: Location {
+                                                                    start_position: Position {
+                                                                        row: 1,
+                                                                        col: 13,
+                                                                    },
+                                                                    end_position: Position {
+                                                                        row: 1,
+                                                                        col: 14,
+                                                                    },
+                                                                },
+                                                                head_comment: None,
+                                                            },
+                                                        ),
+                                                    ),
+                                                    op: Some(
+                                                        "as",
+                                                    ),
+                                                    loc: Location {
+                                                        start_position: Position {
+                                                            row: 1,
+                                                            col: 6,
+                                                        },
+                                                        end_position: Position {
+                                                            row: 1,
+                                                            col: 14,
+                                                        },
+                                                    },
+                                                    trailing_comment: None,
+                                                    lhs_trailing_comment: None,
+                                                },
+                                                following_comments: [],
+                                            },
+                                        ],
+                                        loc: Some(
+                                            Location {
+                                                start_position: Position {
+                                                    row: 1,
+                                                    col: 6,
+                                                },
+                                                end_position: Position {
+                                                    row: 1,
+                                                    col: 14,
+                                                },
+                                            },
+                                        ),
+                                    },
+                                ),
+                            ),
+                        },
+                    ),
+                ),
+                loc: Location {
+                    start_position: Position {
+                        row: 0,
+                        col: 0,
+                    },
+                    end_position: Position {
+                        row: 1,
+                        col: 14,
+                    },
+                },
+                sql_id: Some(
+                    SqlID {
+                        sql_id: "/* _SQL_ID_ */",
+                    },
+                ),
+                comments: [],
+            },
+        ],
+        loc: Some(
+            Location {
+                start_position: Position {
+                    row: 0,
+                    col: 0,
+                },
+                end_position: Position {
+                    row: 1,
+                    col: 14,
+                },
+            },
+        ),
+        comments: [],
+        has_semi: false,
+    },
+]

out.sql

@@ -0,0 +1,2 @@
+select /* _SQL_ID_ */
+	/*x*/'x'	as	x

test.sql

@@ -0,0 +1,2 @@
+select /* _SQL_ID_ */
+	/*x*/'x'	as	x