Tcl: recurse for []

testing/058_bracket_recursion.tcl

+#// objective: tests processing of commands inside brackets [], only references/referencedby relations are relevant
+#// check: 058__bracket__recursion_8tcl.xml
+#// config: REFERENCED_BY_RELATION = yes
+#// config: REFERENCES_RELATION = yes
+#// config: EXTRACT_ALL = yes
+#// config: INLINE_SOURCES = yes
+
+##
+# \brief should be reference by every proc below
+proc Invoked args {
+    puts "Procedure \"Invoked\" is invoked indeed. Ok."
+    return $args
+}
+##
+# \brief must not be reference by every proc below
+proc NotInvoked args {
+    puts "Procedure \"NotInvoked\" is invoked. Not Ok!"
+    return $args
+}
+#
+# check if call references work at all
+proc a args {
+    Invoked NotInvoked
+    return
+}
+#
+# check brackets with various quoting, bracing
+proc b args {
+    set r [Invoked]
+    set r [list \[NotInvoked \]]
+    return
+}
+proc c args {
+    set r \{[Invoked]\}
+    set r {[NotInvoked]}
+    return
+}
+proc d args {
+    set r "[Invoked]"
+    set r "\[NotInvoked \]"
+    return
+}
+proc e args {
+    set r [list \[NotInvoked [Invoked]\]]
+    return
+}
+proc f args {
+    set r [list [Invoked \[NotInvoked \]]]
+    return
+}
+proc g args {
+    set r "{[Invoked]}"
+    set r "{\[NotInvoked \]}"
+    return
+}
+proc h args {
+    [Invoked set] r {[NotInvoked]}
+    return
+}
+# check brackets in tcl commands containing script arguments
+#
+# example generated according to
+# https://groups.google.com/d/msg/comp.lang.tcl/G5-mc3GiIyY/e-AVD9t7xMkJ
+proc i args {
+    foreach item [Invoked] {
+    return
+    }
+}
+proc j args {
+    foreach [Invoked item] [list one two three] {
+    }
+    return
+}
+proc k args {
+    while {[Invoked 0]} {
+    }
+}
+proc l args {
+    for {} {[Invoked 0]} {} {
+    }
+}
+proc m args {
+    if {[Invoked 1]} {
+    }
+}
+proc n args {
+    if [Invoked 1] {
+    }
+}
+proc o args {
+    if {0} {
+    } elseif {[Invoked 0]} {
+    }
+}
+# these are really nasty examples
+# they shows, that the condition argument may not be parsed as a script
+set NotInvoked \$NotInvoked
+proc $NotInvoked args {
+    puts "Procedure \"\$NotInvoked\" is invoked. Not Ok!"
+    return $args
+}
+proc p args {
+    set NotInvoked \$NotInvoked
+    if {$NotInvoked eq [Invoked 1]} {
+    }
+    return
+}
+proc q args {
+    set NotInvoked \$NotInvoked
+    if {0} {
+    } elseif {$NotInvoked eq [Invoked 1]} {
+    }
+    return
+}
+proc r args {
+    set NotInvoked \$NotInvoked
+    while {$NotInvoked eq [Invoked 1]} {
+    }
+    return
+}
+proc s args {
+    set NotInvoked \$NotInvoked
+    for {} {$NotInvoked eq [Invoked 1]} {} {
+    }
+    return
+}
+# dangling open brackets should not confuse the scanner
+proc t args {
+    set foo ]]]][Invoked]
+    return
+}
+
+#
+# call all single letter procs
+# let tcl check what is called and what is not called
+foreach p [info procs ?] {
+    puts "Check procedure \"$p\""
+    $p
+}
+exit
+