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gfse: make categories from inherited grammars available in the startcat menu

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hallgren
2012-02-14 17:18:06 +00:00
parent 08b661bb59
commit 208a5ffc45
2 changed files with 15 additions and 23 deletions
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34
src/www/gfse/editor.js
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@@ -357,7 +357,10 @@ function draw_startcat(g) {
var abs=g.abstract;
var startcat = abs.startcat || abs.cats[0];
function opt(cat) { return option(cat,cat); }
var m= node("select",{},map(opt,abs.cats));
var opts = g.extends && g.extends.length>0 ? [opt("-")] : [];
var dc=defined_cats(g);
for(var cat in dc) opts.push(opt(cat));
var m = node("select",{},opts);
m.value=startcat;
m.onchange=function() {
if(m.value!=abs.startcat) {
@@ -382,7 +385,8 @@ function draw_abstract(g) {
kw_cat.title = "The categories (nonterminals) of the grammar are enumerated here. [C.3.2]";
var kw_fun = kw("fun");
kw_fun.title = "The functions (productions) of the grammar are enumerated here. [C.3.4]";
var flags=g.abstract.startcat || g.abstract.cats.length>1
var flags=g.abstract.startcat||g.abstract.cats.length>1||g.extends.length>0
? draw_startcat(g)
: text("");
function sort_funs() {
@@ -946,28 +950,14 @@ function draw_lins(g,ci) {
/* -------------------------------------------------------------------------- */
function defined_cats(g) {
var grammar_byname=cached_grammar_byname();
var igs=(g.extends || []).map(grammar_byname)
return all_defined_cats(g,igs)
}
function defined_cats(g) { return all_defined_cats(g,inherited_grammars(g)) }
function defined_funs(g) { return all_defined_funs(g,inherited_gramamrs(g)) }
function inherited_cats(g) {return all_inherited_cats(inherited_grammars(g),{})}
function inherited_funs(g) {return all_inherited_funs(inherited_grammars(g),{})}
function inherited_cats(g) {
function inherited_grammars(g) {
var grammar_byname=cached_grammar_byname();
var igs=(g.extends || []).map(grammar_byname)
return all_inherited_cats(igs,{})
}
function defined_funs(g) {
var grammar_byname=cached_grammar_byname();
var igs=(g.extends || []).map(grammar_byname)
return all_defined_funs(g,igs)
}
function inherited_funs(g) {
var grammar_byname=cached_grammar_byname();
var igs=(g.extends || []).map(grammar_byname)
return all_inherited_funs(igs,{})
return (g.extends || []).map(grammar_byname)
}
function cached_grammar_byname() {

4
src/www/gfse/gf_abs.js
View File

@@ -247,7 +247,9 @@ function show_extends(exts) {
}
function show_startcat(startcat) {
return startcat ? "flags startcat = "+startcat+";\n\n" : "";
return startcat && startcat!="-"
? "flags startcat = "+startcat+";\n\n"
: "";
}
function show_cats(cats) {