fix rendering of do inside call inside infix (fixes #69)

arnetheduck · Jul 19, 2024 · ddf378d · ddf378d
1 parent 187dfd4
commit ddf378d
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Showing 5 changed files with 64 additions and 2 deletions.
diff --git a/src/phrenderer.nim b/src/phrenderer.nim
@@ -1753,7 +1753,11 @@ proc gsub(g: var TOutput, n: PNode, flags: SubFlags, extra: int) =
       if nNext.kind == nkPrefix or (opr != nil and phrenderer.isKeyword(opr)):
         optSpace(g)
 
-      if nNext.kind == nkInfix:
+      if nNext.kind == nkInfix or (
+        # This is a special case for a do statement, which needs an extra set of parens
+        nNext.kind == nkCall and nNext.len >= 2 and nNext[1].kind == nkStmtList and
+        nNext[1].len >= 1 and nNext[1][^1].kind == nkCall
+      ):
         put(g, tkParLe, "(")
         gsub(g, n[1])
         put(g, tkParRi, ")")

diff --git a/tests/after/a00empty.nim b/tests/after/a00empty.nim
@@ -1 +1,3 @@
-
+check not (compiles do:
+  result:
+    int8 = 6)
diff --git a/tests/after/a00empty.nim.nph.yaml b/tests/after/a00empty.nim.nph.yaml
@@ -1 +1,28 @@
 kind: "nkStmtList"
+sons:
+  - kind: "nkCommand"
+    sons:
+      - kind: "nkIdent"
+        ident: "check"
+      - kind: "nkPrefix"
+        sons:
+          - kind: "nkIdent"
+            ident: "not"
+          - kind: "nkCall"
+            sons:
+              - kind: "nkIdent"
+                ident: "compiles"
+              - kind: "nkStmtList"
+                sons:
+                  - kind: "nkCall"
+                    sons:
+                      - kind: "nkIdent"
+                        ident: "result"
+                      - kind: "nkStmtList"
+                        sons:
+                          - kind: "nkAsgn"
+                            sons:
+                              - kind: "nkIdent"
+                                ident: "int8"
+                              - kind: "nkIntLit"
+                                intVal: 6
diff --git a/tests/before/a00empty.nim b/tests/before/a00empty.nim
@@ -0,0 +1,2 @@
+check not (compiles do:
+  result: int8 = 6)
diff --git a/tests/before/a00empty.nim.nph.yaml b/tests/before/a00empty.nim.nph.yaml
@@ -1 +1,28 @@
 kind: "nkStmtList"
+sons:
+  - kind: "nkCommand"
+    sons:
+      - kind: "nkIdent"
+        ident: "check"
+      - kind: "nkPrefix"
+        sons:
+          - kind: "nkIdent"
+            ident: "not"
+          - kind: "nkCall"
+            sons:
+              - kind: "nkIdent"
+                ident: "compiles"
+              - kind: "nkStmtList"
+                sons:
+                  - kind: "nkCall"
+                    sons:
+                      - kind: "nkIdent"
+                        ident: "result"
+                      - kind: "nkStmtList"
+                        sons:
+                          - kind: "nkAsgn"
+                            sons:
+                              - kind: "nkIdent"
+                                ident: "int8"
+                              - kind: "nkIntLit"
+                                intVal: 6