X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=chiark-tcl.git;a=blobdiff_plain;f=base%2Ftcmdifgen;h=4b675968217e6d0f09dc6dfa2339749551db37d9;hp=f14249ca4dd2441e3b9745d1fa625f76fc9cf1aa;hb=da1c2c3cbb87a600f19e250f93ef9fa4f89844fc;hpb=40a4738e440a8412c61a12eca34ed6aa98d71a5a diff --git a/base/tcmdifgen b/base/tcmdifgen index f14249c..4b67596 100755 --- a/base/tcmdifgen +++ b/base/tcmdifgen @@ -56,15 +56,15 @@ # Arranges for generated .h files to #include the specified # file. C-INCLUDE-SPECIFIER should include the <..> or "..". # -# Table TABLENAME C-ENTRY-TYPE +# Table [*]TABLENAME C-ENTRY-TYPE # Starts a table of commands or subcommands. The generated .h # will contain a definition of C-ENTRY-TYPE containing # const char *name; # Tcl_ObjCmdProc *func; # and the generated .c will contain # const C-ENTRY-TYPE C-ARRAY-NAME[]; -# where C-ARRAY-NAME is C-ENTRY-TYPE lowercased, with -# `s' appended. The entries are indented one level (one +# where C-ARRAY-NAME is TABLENAME, with `_entries' appended +# and `cht_' prepended. The entries are indented one level (one # or more spaces) and look like this: # ENTRYNAME # FORMALARGNAME TYPE @@ -89,6 +89,10 @@ # arguments, processes the command, and sets any result, as # applicable. # +# `*' should be used if the table name is not useful for error +# messages. It suppresses `TABLENAME ' from the front of the +# autogenerated argument parsing error strings. +# # ExtraEntry C-ENTRY-TYPE # Introduces a section of additional C code which will be inserted # into the definition of C-ENTRY-TYPE by `Table'. The C @@ -150,6 +154,17 @@ sub zilch () { undef $c_of; } +sub enumargs ($) { + my ($a) = @_; + $a =~ m:/(.*),: or die "invalid enum type \`$a'\n"; + my ($a_tab, $ee_type, $estr) = ($`,$1,$'); + if ($ee_type !~ m/^[^_]/) { + $ee_type= $a_tab.$ee_type; + $a_tab= lc($a_tab).'_entries'; + } + return ($a_tab, $ee_type, $estr); +} + sub parse ($$) { my ($wh,$f) = @_; while (defined($_= $f->getline)) { @@ -167,11 +182,12 @@ sub parse ($$) { unshift @i, $this_indent; } - if (@i==0 && m/^Table\s+(\*toplevel\*|\w+)\s+(\w+)$/) { + if (@i==0 && m/^Table\s+(\*?)(\w+)\s+(\w+)$/) { zilch(); - $c_table= $1; - $table_x{$c_table}{C}= $2; - $entrytype_x{$2}= '' unless exists $entrytype_x{$2}; + $c_table= $2; + $table_x{$c_table}{T}= $1; + $table_x{$c_table}{C}= $3; + $entrytype_x{$3}= '' unless exists $entrytype_x{$3}; } elsif (@i==0 && m/^Untabled$/) { zilch(); $c_table= ''; @@ -280,7 +296,8 @@ foreach $c_table (sort keys %tables) { $any_eerr= 0; $any_eargc= 0; $pa_hint= ''; - $pa_hint .= "$c_table " if length $c_table; + $pa_hint .= "$c_table " if length $c_table && + !length $table_x{$c_table}{T}; $pa_hint.= $c_entry; foreach $arg (@{ $r_entry->{A} }) { $n= $arg->{N}; @@ -310,10 +327,9 @@ foreach $c_table (sort keys %tables) { $pa_vars .= " const void *v_$n= 0;\n"; $paarg= "&v_$n"; $pafin= "\n a_$n= v_$n; "; - $a =~ m/\,/ or die "invalid enum type \`$a'\n"; - $a_tab = lc($`).'s'; - $a = "$a_tab, sizeof($`), $'"; - o('h', 210, "extern const $` $a_tab".'[]'.";\n"); + ($a_tab, $ee_type, $estr) = enumargs($a); + $a = "cht_$a_tab, sizeof($ee_type), $estr"; + o('h', 210, "extern const $ee_type cht_$a_tab".'[]'.";\n"); } if (exists $type_fini{$t}) { $pa_fini .= ' '.subst_in("a_$n", $type_fini{$t})."\n"; @@ -369,7 +385,7 @@ foreach $c_table (sort keys %tables) { $pa_vars .= " const char *e;\n"; $pa_fini .= "\n"; $pa_fini .= "e_err:\n"; - $pa_fini .= " setstringresult(ip,e);\n"; + $pa_fini .= " cht_setstringresult(ip,e);\n"; $pa_fini .= " rc= TCL_ERROR; goto rc_err;\n"; } $pa_vars .= "\n"; @@ -402,7 +418,7 @@ foreach $c_table (sort keys %tables) { $r_entry->{I}); } if (length $c_table) { - $decl= "const $x_table->{C} ".lc($x_table->{C}).'s[]'; + $decl= "const $x_table->{C} cht_${c_table}_entries[]"; o('h', 500, "extern $decl;\n"); o('c', 100, "$decl = {\n". @@ -416,8 +432,7 @@ o(c, 0, "#include \"$prefix.h\"\n"); o(h, 0, "#ifndef INCLUDED_\U${prefix}_H\n". - "#define INCLUDED_\U${prefix}_H\n\n". - "#include \n"); + "#define INCLUDED_\U${prefix}_H\n\n"); o(h, 999, "#endif /*INCLUDED_\U${prefix}_H*/\n"); @@ -478,8 +493,8 @@ sub make_decl ($$$$) { my ($n, $t, $ta, $why) = @_; my ($type); if ($t eq 'enum') { - $ta =~ m/\,/ or die "invalid enum type \`$t' ($why)\n"; - $c= "const $` *@"; + ($a_tab, $ee_type, $estr) = enumargs($ta); + $c= "const $ee_type* @"; } else { defined $types{$t} or die "unknown type $t ($why)\n"; $c= $types{$t}{C};