Fix #291 hover multi-line parameter signature

Trim trailing whitespaces. Modify one test and add one more
parameter_val test with multiline definition.

Author: folk85

fortls/parse_fortran.py

@@ -1451,7 +1451,7 @@ def parse(
                             _, col = find_word_in_line(line, name)
                             match = FRegex.PARAMETER_VAL.match(line[col:])
                             if match:
-                                var = match.group(1).strip()
+                                var = " ".join(match.group(1).strip().split())
                                 new_var.set_parameter_val(var)
 
                         # Check if the "variable" is external and if so cycle

test/test_server_hover.py

@@ -122,7 +122,7 @@ def test_hover_parameter_var_mul():
     string += hover_req(file_path, 15, 28)
     errcode, results = run_request(string, fortls_args=["--sort_keywords"])
     assert errcode == 0
-    ref_results = ["```fortran90\nINTEGER, PARAMETER :: var_mul1 = 1  *   23\n```"]
+    ref_results = ["```fortran90\nINTEGER, PARAMETER :: var_mul1 = 1 * 23\n```"]
     validate_hover(results, ref_results)
 
 
@@ -137,6 +137,20 @@ def test_hover_parameter_var_div():
     validate_hover(results, ref_results)
 
 
+def test_hover_parameter_var_multiline2():
+    """Test that hover parameters display value correctly with
+    multiplication and spaces. Item 2"""
+    string = write_rpc_request(1, "initialize", {"rootPath": str(test_dir)})
+    file_path = test_dir / "hover" / "parameters.f90"
+    string += hover_req(file_path, 17, 28)
+    errcode, results = run_request(string, fortls_args=["--sort_keywords"])
+    assert errcode == 0
+    ref_results = [
+        "```fortran90\nINTEGER, PARAMETER :: var_multi2 = 1 * 23 + 2 /1\n```"
+    ]
+    validate_hover(results, ref_results)
+
+
 def test_hover_parameter_nested():
     """Test that hover parameters using other parameter values works"""
     string = write_rpc_request(1, "initialize", {"rootPath": str(test_dir)})

test/test_source/hover/parameters.f90

@@ -15,4 +15,7 @@ program params
     integer, parameter :: var_ex1  = 1 - 23
     integer, parameter :: var_mul1  = 1  *   23
     integer, parameter :: var_div1  = 1/1
+    INTEGER, PARAMETER :: var_multi2 = 1 *   &
+                                        23 + &
+                                        2 /1        ! comment
 end program params