scripts/kernel-doc.py: fix line number output

With the Pyhton version, the actual output happens after parsing,
from records stored at self.entries.

Ensure that line numbers will be properly stored there and
that they'll produce the desired results at the ReST output.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/5182a531d14b5fe9e1fc5da5f9dae05d66852a60.1744106242.git.mchehab+huawei@kernel.org

2 files changed, 24 insertions, 10 deletions

diff --git a/scripts/lib/kdoc/kdoc_output.py b/scripts/lib/kdoc/kdoc_output.py
index a246d213523c..6a7187980bec 100755
--- a/scripts/lib/kdoc/kdoc_output.py
+++ b/scripts/lib/kdoc/kdoc_output.py
@@ -255,7 +255,8 @@ class RestFormat(OutputFormat):
     def print_lineno(self, ln):
         """Outputs a line number"""
 
-        if self.enable_lineno and ln:
+        if self.enable_lineno and ln is not None:
+            ln += 1
             self.data += f".. LINENO {ln}\n"
 
     def output_highlight(self, args):
@@ -358,7 +359,7 @@ class RestFormat(OutputFormat):
         parameterdescs = args.get('parameterdescs', {})
         parameterdesc_start_lines = args.get('parameterdesc_start_lines', {})
 
-        ln = args.get('ln', 0)
+        ln = args.get('declaration_start_line', 0)
 
         count = 0
         for parameter in parameterlist:
@@ -375,11 +376,11 @@ class RestFormat(OutputFormat):
         if not func_macro:
             signature += ")"
 
+        self.print_lineno(ln)
         if args.get('typedef') or not args.get('functiontype'):
             self.data += f".. c:macro:: {args['function']}\n\n"
 
             if args.get('typedef'):
-                self.print_lineno(ln)
                 self.data += "   **Typedef**: "
                 self.lineprefix = ""
                 self.output_highlight(args.get('purpose', ""))
@@ -434,7 +435,7 @@ class RestFormat(OutputFormat):
         name = args.get('enum', '')
         parameterlist = args.get('parameterlist', [])
         parameterdescs = args.get('parameterdescs', {})
-        ln = args.get('ln', 0)
+        ln = args.get('declaration_start_line', 0)
 
         self.data += f"\n\n.. c:enum:: {name}\n\n"
 
@@ -464,7 +465,7 @@ class RestFormat(OutputFormat):
 
         oldprefix = self.lineprefix
         name = args.get('typedef', '')
-        ln = args.get('ln', 0)
+        ln = args.get('declaration_start_line', 0)
 
         self.data += f"\n\n.. c:type:: {name}\n\n"
 
@@ -484,7 +485,7 @@ class RestFormat(OutputFormat):
         purpose = args.get('purpose', "")
         declaration = args.get('definition', "")
         dtype = args.get('type', "struct")
-        ln = args.get('ln', 0)
+        ln = args.get('declaration_start_line', 0)
 
         parameterlist = args.get('parameterlist', [])
         parameterdescs = args.get('parameterdescs', {})
diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index 3ce116595546..e8c86448d6b5 100755
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -276,7 +276,7 @@ class KernelDoc:
         self.entry.brcount = 0
 
         self.entry.in_doc_sect = False
-        self.entry.declaration_start_line = ln
+        self.entry.declaration_start_line = ln + 1
 
     def push_parameter(self, ln, decl_type, param, dtype,
                        org_arg, declaration_name):
@@ -806,8 +806,10 @@ class KernelDoc:
                                 parameterlist=self.entry.parameterlist,
                                 parameterdescs=self.entry.parameterdescs,
                                 parametertypes=self.entry.parametertypes,
+                                parameterdesc_start_lines=self.entry.parameterdesc_start_lines,
                                 sectionlist=self.entry.sectionlist,
                                 sections=self.entry.sections,
+                                section_start_lines=self.entry.section_start_lines,
                                 purpose=self.entry.declaration_purpose)
 
     def dump_enum(self, ln, proto):
@@ -882,8 +884,10 @@ class KernelDoc:
                                 module=self.config.modulename,
                                 parameterlist=self.entry.parameterlist,
                                 parameterdescs=self.entry.parameterdescs,
+                                parameterdesc_start_lines=self.entry.parameterdesc_start_lines,
                                 sectionlist=self.entry.sectionlist,
                                 sections=self.entry.sections,
+                                section_start_lines=self.entry.section_start_lines,
                                 purpose=self.entry.declaration_purpose)
 
     def dump_declaration(self, ln, prototype):
@@ -1054,8 +1058,10 @@ class KernelDoc:
                                     parameterlist=self.entry.parameterlist,
                                     parameterdescs=self.entry.parameterdescs,
                                     parametertypes=self.entry.parametertypes,
+                                    parameterdesc_start_lines=self.entry.parameterdesc_start_lines,
                                     sectionlist=self.entry.sectionlist,
                                     sections=self.entry.sections,
+                                    section_start_lines=self.entry.section_start_lines,
                                     purpose=self.entry.declaration_purpose,
                                     func_macro=func_macro)
         else:
@@ -1067,8 +1073,10 @@ class KernelDoc:
                                     parameterlist=self.entry.parameterlist,
                                     parameterdescs=self.entry.parameterdescs,
                                     parametertypes=self.entry.parametertypes,
+                                    parameterdesc_start_lines=self.entry.parameterdesc_start_lines,
                                     sectionlist=self.entry.sectionlist,
                                     sections=self.entry.sections,
+                                    section_start_lines=self.entry.section_start_lines,
                                     purpose=self.entry.declaration_purpose,
                                     func_macro=func_macro)
 
@@ -1112,8 +1120,10 @@ class KernelDoc:
                                     parameterlist=self.entry.parameterlist,
                                     parameterdescs=self.entry.parameterdescs,
                                     parametertypes=self.entry.parametertypes,
+                                    parameterdesc_start_lines=self.entry.parameterdesc_start_lines,
                                     sectionlist=self.entry.sectionlist,
                                     sections=self.entry.sections,
+                                    section_start_lines=self.entry.section_start_lines,
                                     purpose=self.entry.declaration_purpose)
             return
 
@@ -1136,6 +1146,7 @@ class KernelDoc:
                                     module=self.entry.modulename,
                                     sectionlist=self.entry.sectionlist,
                                     sections=self.entry.sections,
+                                    section_start_lines=self.entry.section_start_lines,
                                     purpose=self.entry.declaration_purpose)
             return
 
@@ -1168,7 +1179,7 @@ class KernelDoc:
             return
 
         # start a new entry
-        self.reset_state(ln + 1)
+        self.reset_state(ln)
         self.entry.in_doc_sect = False
 
         # next line is always the function name
@@ -1281,7 +1292,7 @@ class KernelDoc:
             if r.match(line):
                 self.dump_section()
                 self.entry.section = self.section_default
-                self.entry.new_start_line = line
+                self.entry.new_start_line = ln
                 self.entry.contents = ""
 
         if doc_sect.search(line):
@@ -1619,7 +1630,9 @@ class KernelDoc:
             self.dump_section()
             self.output_declaration("doc", None,
                                     sectionlist=self.entry.sectionlist,
-                                    sections=self.entry.sections, module=self.config.modulename)
+                                    sections=self.entry.sections,
+                                    section_start_lines=self.entry.section_start_lines,
+                                    module=self.config.modulename)
             self.reset_state(ln)
 
         elif doc_content.search(line):