# See the License for the specific language governing permissions and
# limitations under the License.
-# Highliting of Nit AST
+# Highlighting of Nit AST
module highlight
-import modelize_property
import frontend
-import parser_util
import html
+import pipeline
+import astutil
+import serialization
-# Visitor used to produce a HTML tree based on a AST on a `Source`
-class HighlightVisitor
- super Visitor
+# Fully process `content` as a Nit source file.
+#
+# Set `print_errors = true` to print errors in the code to the console.
+fun hightlightcode(hl: HighlightVisitor, content: String, print_errors: nullable Bool): HLCode
+do
+ # Prepare a stand-alone tool context
+ var tc = new ToolContext
+ tc.nit_dir = tc.locate_nit_dir # still use the common lib to have core
+ tc.keep_going = true # no exit, obviously
+ if print_errors != true then tc.opt_warn.value = -1 # no output
- # The root of the HTML hierarchy
- var html = new HTMLTag("span")
+ # Prepare an stand-alone model and model builder.
+ # Unfortunately, models are enclosing and append-only.
+ # There is no way (yet?) to have a shared module `core` with
+ # isolated and throwable user modules.
+ var model = new Model
+ var mb = new ModelBuilder(model, tc)
- private var token_head: HTMLTag
+ # Parse the code
+ var source = new SourceFile.from_string("", content + "\n")
+ var lexer = new Lexer(source)
+ var parser = new Parser(lexer)
+ var tree = parser.parse
- private var prod_head: HTMLTag
+ var hlcode = new HLCode(hl, content, source)
- private var prod_root: nullable HTMLTag
+ # Check syntax error
+ var eof = tree.n_eof
+ if eof isa AError then
+ mb.error(eof, eof.message)
+ hl.hightlight_source(source)
+ return hlcode
+ end
+ var amodule = tree.n_base.as(not null)
- # Is the HTML include a nested `<span class"{type_of_node}">` element for each `ANode` of the AST?
- # Used to have a really huge and verbose HTML (mainly for debug)
- var with_ast writable = false
+ # Load the AST as a module in the model
+ # Then process it
+ mb.load_rt_module(null, amodule, "")
+ mb.run_phases
+
+ # Highlight the processed module
+ hl.enter_visit(amodule)
+ return hlcode
+end
- # Enter in a new node
- # Exit is automatic
- fun enter(n: HTMLTag)
+# A standalone highlighted piece of code
+class HLCode
+ super Serializable
+
+ # The highlighter used
+ var hl: HighlightVisitor
+
+ # The raw code source
+ var content: String
+
+ # The pseudo source-file
+ var source: SourceFile
+
+ # JavaScript code to update an existing codemirror editor.
+ fun code_mirror_update: Template
do
- if prod_root != null then
- prod_head.add(n)
- prod_head = n
- else
- prod_root = n
- prod_head = n
+
+ var res = new Template
+ res.add """
+ function nitmessage() {
+ editor.operation(function(){
+ for (var i = 0; i < widgets.length; ++i)
+ editor.removeLineWidget(widgets[i]);
+ widgets.length = 0;
+"""
+
+ for m in source.messages do
+ res.add """
+ var l = document.createElement("div");
+ l.className = "lint-error"
+ l.innerHTML = "<span class='glyphicon glyphicon-warning-sign lint-error-icon'></span> {{{m.text.html_escape}}}";
+ var w = editor.addLineWidget({{{m.location.line_start-1}}}, l);
+ widgets.push(w);
+"""
end
+ res.add """});}"""
+ return res
+ end
+
+ redef fun core_serialize_to(v)
+ do
+ v.serialize_attribute("code", hl.html.write_to_string)
+ var msgs = new Array[Map[String, Serializable]]
+ for m in source.messages do
+ var o = new Map[String, Serializable]
+ msgs.add o
+ o["line"] = m.location.line_start-1
+ o["message"] = m.text
+ end
+ v.serialize_attribute("messages", msgs)
end
+end
+
+# Visitor used to produce a HTML tree based on a AST on a `Source`
+class HighlightVisitor
+ # The root of the HTML hierarchy
+ var html = new HTMLTag("span")
+
+ # Should the HTML include a nested `<span class"{type_of_node}">` element for each `ANode` of the AST?
+ #
+ # Used to have a really huge and verbose HTML (mainly for debug)
+ var with_ast = false is writable
+
+ # Prefixes used in generated IDs for line `<span>` elements.
+ # Useful if more than one highlighted code is present in the same HTML document.
+ #
+ # If set to the empty string, id for lines are disabled.
+ #
+ # Is `"L"` by default.
+ var line_id_prefix = "L" is writable
- # The position in the source file.
- # Used to print parts of the source betwen tokens of the AST
- private var pos = 0
+ # The first line to generate, null if start at the first line
+ var first_line: nullable Int = null is writable
- var modelbuilder: ModelBuilder
+ # The last line to generate, null if finish at the last line
+ var last_line: nullable Int = null is writable
- init(modelbuilder: ModelBuilder)
+ # When highlighting a node, show its messages (errors, warnings), if any.
+ #
+ # default: true
+ var show_messages = true is writable
+
+ # When highlighting a node, attach a full popupable infobox, if any.
+ #
+ # If `false`, only a simple `title` tooltip is used.
+ #
+ # default: true
+ var show_infobox = true is writable
+
+ # A reference to an entity used in generated `<a>` elements.
+ #
+ # It is used to refer to some specific entities when generating links.
+ # If `null` is returned, then no link are generated and `<a>` elements become `<span>`.
+ #
+ # By default, `null` is returned.
+ # Clients are therefore encouraged to redefine the method in a subclass to control where entities should link to.
+ fun hrefto(entity: MEntity): nullable String do return null
+
+ init
do
- self.modelbuilder = modelbuilder
html.add_class("nitcode")
- token_head = html
- prod_head = html
end
- # Used to remember the first node, thus knowing when the whole visit is over
- private var first_node: nullable ANode
+ # When highlighting a node, also consider the loose tokens around it.
+ #
+ # Loose tokens are tokens discarded from the AST but attached before
+ # or after some non-loose tokens. See `Token::is_loose`.
+ #
+ # When this flag is set to `true`, the loose tokens that are before the
+ # first token and after the last token are also highlighted.
+ #
+ # Default: false.
+ var include_loose_tokens = false is writable
- private var seen_token = new HashSet[Token]
+ # When highlighting a node, the first and the last lines are fully included.
+ #
+ # If the highlighted node starts (or ends) in the middle of a line,
+ # this flags forces the whole line to be highlighted.
+ #
+ # Default: false
+ var include_whole_lines = false is writable
- private fun process_upto_token(node: Token)
+ # The entry-point of the highlighting.
+ # Will fill `html` with the generated HTML content.
+ fun enter_visit(n: ANode)
do
- # recursively process previous tokens
- var prev = node.prev_token
- if prev != null and not seen_token.has(prev) then
- process_upto_token(prev)
- prev.accept_highlight_visitor(self)
+ n.parentize_tokens
+
+ var f
+ var l
+
+ if n isa Token then
+ f = n
+ l = n
+ else
+ assert n isa Prod
+ f = n.first_token
+ if f == null then return
+ l = n.last_token
+ if l == null then return
end
- # Add text between `last_token` and `node`
- var pstart = node.location.pstart
- if pos < pstart then
- var text = node.location.file.string.substring(pos, pstart-pos)
- token_head.append(text)
- #node.debug("WRT: {token_head.classes} << '{text.escape_to_c}' ")
+ if include_loose_tokens then
+ if f.prev_looses.not_empty then f = f.prev_looses.first
+ if l.next_looses.not_empty then l = l.next_looses.last
+ end
+
+ var line = first_line
+ if line != null then
+ while f.location.line_start < line do
+ f = f.next_token
+ if f == null then return
+ end
end
- pos = node.location.pend + 1
- if pos < pstart then
- node.debug("pos={pos}, pstart={pstart}, pend={node.location.pend}")
+
+ line = last_line
+ if line != null then
+ while l.location.line_end > line do
+ l = l.prev_token
+ if l == null then return
+ end
+ end
+
+ if include_whole_lines then
+ f = f.first_real_token_in_line
+ l = l.last_real_token_in_line
end
- seen_token.add node
+ htmlize(f, l)
end
- # Dubuging method
- private fun where(node: ANode, tag: String)
+ private fun full_tag(anode: ANode, hv: HighlightVisitor): nullable HTMLTag
do
- var pr = prod_root
- if pr == null then
- node.debug "{tag}-> {token_head.classes} : {prod_head.classes}"
- else
- node.debug "{tag}-> {token_head.classes} : {pr.classes}..{prod_head.classes}"
+ var tag = anode.make_tag(hv)
+ if tag == null then return null
+ var infobox = anode.infobox(hv)
+ if infobox == null and anode isa Token then
+ var pa = anode.parent
+ if pa != null then
+ infobox = pa.decorate_tag(hv, tag, anode)
+ end
+ end
+ if infobox != null and not show_infobox then
+ tag.attr("title", infobox.title)
+ tag.classes.add "titled"
+ infobox = null
end
+ var messages = anode.location.messages
+ if messages != null and show_messages then
+ tag.css("border-bottom", "solid 2px red")
+ if infobox == null then
+ infobox = new HInfoBox(hv, "Messages")
+ end
+ var c = infobox.new_dropdown("{messages.length} message(s)", "")
+ for m in messages do
+ c.open("li").append(m.text)
+ end
+ end
+ if infobox != null then
+ tag.attach_infobox(infobox)
+ end
+ return tag
+ end
+
+ # Highlight a full lexed source file.
+ #
+ # REQUIRE `source.first_token != null`
+ fun hightlight_source(source: SourceFile)
+ do
+ htmlize(source.first_token.as(not null), null)
end
- redef fun visit(node)
+ # Produce HTML between two tokens
+ protected fun htmlize(first_token: Token, last_token: nullable Token)
do
- if first_node == null then first_node = node
+ var stack2 = new Array[HTMLTag]
+ var stack = new Array[Prod]
+ var line = 0
+ var c: nullable Token = first_token
+ var hv = self
+ while c != null do
+ var starting
- if node isa Token then
- process_upto_token(node)
+ # Handle start of line
+ var cline = c.location.line_start
+ if cline != line then
+ # Handle starting block productions,
+ # Because c could be a detached token, get prods in
+ # the first AST token
+ var c0 = c.first_token_in_line
+ starting = null
+ if c0 != null then starting = c0.starting_prods
+ if starting != null then for p in starting do
+ if not p.is_block then continue
+ var tag = full_tag(p, hv)
+ if tag == null then continue
+ tag.add_class("foldable")
+ stack2.add(html)
+ html.add tag
+ html = tag
+ stack.add(p)
+ end
- #where(node, "TOK")
- var pr = prod_root
- if pr != null then
- #node.debug("ADD: {token_head.classes} << {pr.classes} ")
- token_head.add(pr)
- token_head = prod_head
- prod_root = null
+ # Add a div for the whole line
+ var tag = new HTMLTag("span")
+ var p = line_id_prefix
+ if p != "" then tag.attrs["id"] = "{p}{cline}"
+ tag.classes.add "line"
+ stack2.add(html)
+ html.add tag
+ html = tag
+ line = cline
end
- end
- var oldph = prod_head
- #where(node, " IN")
- node.accept_highlight_visitor(self)
- #where(node, "OUT")
- var pr = prod_root
- if pr == null then
- assert token_head == prod_head
- else
- assert token_head != prod_head
- token_head.add(pr)
- prod_root = null
- end
- prod_head = oldph
- token_head = oldph
- #where(node, " IS")
+ # Add the blank, verbatim
+ html.add_raw_html c.blank_before
+
+ # Handle starting span production
+ starting = c.starting_prods
+ if starting != null then for p in starting do
+ if not p.is_span then continue
+ var tag = full_tag(p, hv)
+ if tag == null then continue
+ stack2.add(html)
+ html.add tag
+ html = tag
+ stack.add(p)
+ end
+
+ # Add the token
+ if c isa TEol then
+ html.append "\n"
+ else
+ var tag = full_tag(c, hv)
+ if tag != null then html.add tag
+ end
- if node == first_node then
- html.append(node.location.file.string.substring_from(pos))
+ # Handle ending span productions
+ var ending = c.ending_prods
+ if ending != null then for p in ending do
+ if not p.is_span then continue
+ if stack.is_empty or p != stack.last then continue
+ stack.pop
+ html = stack2.pop
+ end
+
+ # Handle end of line and end of file
+ var n = c.next_token
+ if c == last_token then n = null
+ if n == null or n.location.line_start != line then
+ # closes the line div
+ html = stack2.pop
+
+ # close the block production divs
+ var c0 = c.last_token_in_line
+ ending = null
+ if c0 != null then ending = c0.ending_prods
+ if ending != null then for p in ending do
+ if not p.is_block then continue
+ if stack.is_empty or p != stack.last then continue
+ stack.pop
+ html = stack2.pop
+ end
+ end
+
+ c = n
end
+ if not stack2.is_empty then html = stack2.first
end
# Return a default CSS content related to CSS classes used in the `html` tree.
fun css_content: String
do
return """
-.nitcode a { color: inherit; text-decoration: inherit; } /* hide links */
-.nitcode a:hover { text-decoration: underline; } /* underline links */
-.nitcode span[title]:hover { text-decoration: underline; } /* underline titles */
+.nitcode a { color: inherit; cursor:pointer; }
+.nitcode .titled:hover { text-decoration: underline; } /* underline titles */
+.nitcode .popupable:hover { text-decoration: underline; cursor:help; } /* underline titles */
+.nitcode .foldable { display: block } /* for block productions*/
+.nitcode .line{ display: block } /* for lines */
+.nitcode .line:hover{ background-color: #FFFFE0; } /* current line */
+.nitcode :target { background-color: #FFF3C2 } /* target highlight*/
/* lexical raw tokens. independent of usage or semantic: */
.nitcode .nc_c { color: gray; font-style: italic; } /* comment */
.nitcode .nc_d { color: #3D8127; font-style: italic; } /* documentation comments */
.nitcode .nc_vt { font-style: italic; } /* virtual type or formal type */
.nitcode .nc_error { border: 1px red solid;} /* not used */
+.popover { max-width: 800px !important; }
"""
end
+
+ # Additional content to inject in the <head> tag
+ # Note: does not include `css_content`; handle it yourself.
+ fun head_content: String
+ do
+ return """<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">\n"""
+ end
+
+ # Additional content to inject just before the closing </body> tag
+ fun foot_content: String
+ do
+ return """
+<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
+<script src="http://netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
+<script>$(".popupable").popover({html:true, placement:'top'})/*initialize bootstrap popover*/</script>"""
+ end
end
-redef class ANode
- private fun accept_highlight_visitor(v: HighlightVisitor)
+redef class HTMLTag
+ # Attach the infobox to the node by using BootStrap popover
+ fun attach_infobox(infobox: HInfoBox)
+ do
+ classes.add("popupable")
+ attrs["title"] = infobox.title
+ var href = infobox.href
+ if href != null then
+ attrs["data-title"] = """<a href="{{{href}}}">{{{infobox.title}}}</a>"""
+ end
+ attrs["data-content"] = infobox.content.write_to_string
+ attrs["data-toggle"] = "popover"
+ end
+end
+
+
+# A generic information container that can be used to decorate AST entities
+class HInfoBox
+ # The visitor used for contextualisation, if needed
+ var visitor: HighlightVisitor
+
+ # A short title for the AST element
+ var title: String
+
+ # The primary link where the entity points
+ # null if no link
+ var href: nullable String = null
+
+ # The content of the popuped infobox
+ var content = new HTMLTag("div")
+
+ # Append a new field in the popuped infobox
+ fun new_field(title: String): HTMLTag
+ do
+ content.open("b").text(title)
+ content.append(" ")
+ var res = content.open("span")
+ content.open("br")
+ return res
+ end
+
+ # Append a new dropdown in the popuped content
+ fun new_dropdown(title, text: String, text_is_html: nullable Bool): HTMLTag
+ do
+ content.add_raw_html """<div class="dropdown"> <a data-toggle="dropdown" href="#"><b>"""
+ content.append(title)
+ content.add_raw_html "</b> "
+ if text_is_html == true then
+ content.add_raw_html(text)
+ else content.append(text)
+ content.add_raw_html """<span class="caret"></span></a>"""
+ var res = content.open("ul").add_class("dropdown-menu").attr("role", "menu").attr("aria-labelledby", "dLabel")
+ content.add_raw_html "</div>"
+ return res
+ end
+end
+
+##
+
+# Model entity or whatever that can produce an infobox
+interface HInfoBoxable
+ # An new infobox documenting the entity
+ fun infobox(v: HighlightVisitor): HInfoBox is abstract
+end
+
+redef class MDoc
+ # Append an entry for the doc in the given infobox
+ fun fill_infobox(res: HInfoBox)
+ do
+ if content.length < 2 then
+ res.new_field("doc").text(content.first)
+ return
+ end
+ var c = res.new_dropdown("doc", content.first)
+ for x in content.iterator.skip_head(1) do
+ c.append x
+ c.add_raw_html "<br>"
+ end
+ end
+end
+
+redef class MEntity
+ super HInfoBoxable
+
+ # A HTML version of `to_s` with hyper-links.
+ #
+ # By default, `linkto_text(v, to_s)` is used, c.f. see `linkto_text`.
+ #
+ # For some complex entities, like generic types, multiple `<a>` and `<span>` elements can be generated.
+ # E.g. `Array[Int]` might become `<a>Array</a>[<a>Int</a>]` with the correct `href` attributes
+ # provided by `v.hrefto`.
+ fun linkto(v: HighlightVisitor): HTMLTag do return linkto_text(v, to_s)
+
+ # Link to the `self` with a specific text.
+ #
+ # The whole text is linked with a single `<a>` element.
+ #
+ # The `href` used is provided by `v.hrefto`.
+ # If `href` is null then a `<span>` element is used instead of `<a>`.
+ fun linkto_text(v: HighlightVisitor, text: String): HTMLTag
+ do
+ var href = v.hrefto(self)
+ if href == null then
+ return (new HTMLTag("span")).text(text)
+ end
+ return (new HTMLTag("a")).attr("href", href).text(text)
+ end
+
+ # Append an entry for the doc in the given infobox
+ private fun add_doc_to_infobox(res: HInfoBox)
+ do
+ var mdoc = mdoc_or_fallback
+ if mdoc != null then mdoc.fill_infobox(res)
+ end
+end
+
+redef class MModule
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, "module {name}")
+ res.href = v.hrefto(self)
+ res.new_field("module").add(linkto(v))
+ add_doc_to_infobox(res)
+ if in_importation.greaters.length > 1 then
+ var c = res.new_dropdown("imports", "{in_importation.greaters.length-1} modules")
+ for x in in_importation.greaters do
+ if x == self then continue
+ c.open("li").add x.linkto(v)
+ end
+ end
+ return res
+ end
+
+ redef fun linkto(v) do return linkto_text(v, name)
+end
+
+redef class MClassDef
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, "class {mclass.name}")
+ res.href = v.hrefto(self)
+ if is_intro then
+ res.new_field("class").text(mclass.name)
+ else
+ res.new_field("redef class").text(mclass.name)
+ res.new_field("intro").add mclass.intro.linkto_text(v, "in {mclass.intro_mmodule.to_s}")
+ end
+ add_doc_to_infobox(res)
+
+ var in_hierarchy = self.in_hierarchy
+ if in_hierarchy == null then return res
+
+ if in_hierarchy.greaters.length > 1 then
+ var c = res.new_dropdown("hier", "super-classes")
+ for x in in_hierarchy.greaters do
+ if x == self then continue
+ if not x.is_intro then continue
+ c.open("li").add x.linkto(v)
+ end
+ end
+ if in_hierarchy.smallers.length > 1 then
+ var c = res.new_dropdown("hier", "sub-classes")
+ for x in in_hierarchy.smallers do
+ if x == self then continue
+ if not x.is_intro then continue
+ c.open("li").add x.linkto(v)
+ end
+ end
+ if mclass.mclassdefs.length > 1 then
+ var c = res.new_dropdown("redefs", "refinements")
+ for x in mclass.mclassdefs do
+ if x == self then continue
+ c.open("li").add x.linkto_text(v, "in {x.mmodule}")
+ end
+ end
+ return res
+ end
+end
+
+redef class MPropDef
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, to_s)
+ res.href = v.hrefto(self)
+ if self isa MMethodDef then
+ var msignature = self.msignature
+ if msignature != null then res.new_field("fun").append(mproperty.name).add msignature.linkto(v)
+ else if self isa MAttributeDef then
+ var static_mtype = self.static_mtype
+ if static_mtype != null then res.new_field("fun").append(mproperty.name).add static_mtype.linkto(v)
+ else if self isa MVirtualTypeDef then
+ var bound = self.bound
+ if bound != null then res.new_field("add").append(mproperty.name).add bound.linkto(v)
+ else
+ res.new_field("wat?").append(mproperty.name)
+ end
+
+ if is_intro then
+ else
+ res.new_field("intro").add mproperty.intro.linkto_text(v, "in {mproperty.intro.mclassdef}")
+ end
+ add_doc_to_infobox(res)
+ if mproperty.mpropdefs.length > 1 then
+ var c = res.new_dropdown("redef", "redefinitions")
+ for x in mproperty.mpropdefs do
+ c.open("li").add x.linkto_text(v, "in {x.mclassdef}")
+ end
+ end
+
+ return res
+ end
+end
+
+redef class MClassType
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, to_s)
+ res.href = v.hrefto(self)
+ res.new_field("class").add mclass.intro.linkto(v)
+ add_doc_to_infobox(res)
+ return res
+ end
+ redef fun linkto(v)
+ do
+ return mclass.intro.linkto(v)
+ end
+end
+redef class MVirtualType
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, to_s)
+ res.href = v.hrefto(mproperty)
+ var p = mproperty
+ res.new_field("virtual type").add p.intro.linkto(v)
+ add_doc_to_infobox(res)
+ return res
+ end
+ redef fun linkto(v)
+ do
+ return mproperty.intro.linkto(v)
+ end
+end
+redef class MParameterType
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, to_s)
+ res.new_field("parameter type").append("{name} from class ").add mclass.intro.linkto(v)
+ return res
+ end
+end
+
+redef class MNullableType
+ redef fun infobox(v)
+ do
+ return mtype.infobox(v)
+ end
+ redef fun linkto(v)
+ do
+ var res = new HTMLTag("span")
+ res.append("nullable ").add(mtype.linkto(v))
+ return res
+ end
+end
+
+redef class MNotNullType
+ redef fun infobox(v)
+ do
+ return mtype.infobox(v)
+ end
+ redef fun linkto(v)
do
- if v.with_ast then
- var res = new HTMLTag("span")
- res.add_class(class_name)
- v.enter res
+ var res = new HTMLTag("span")
+ res.append("not null ").add(mtype.linkto(v))
+ return res
+ end
+end
+
+redef class MNullType
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, to_s)
+ return res
+ end
+ redef fun linkto(v)
+ do
+ var res = new HTMLTag("span")
+ res.append("null")
+ return res
+ end
+end
+
+redef class MSignature
+ redef fun linkto(v)
+ do
+ var res = new HTMLTag("span")
+ var first = true
+ if not mparameters.is_empty then
+ res.append "("
+ for p in mparameters do
+ if first then
+ first = false
+ else
+ res.append ", "
+ end
+ res.append p.name
+ res.append ": "
+ res.add p.mtype.linkto(v)
+ end
+ res.append ")"
end
- visit_all(v)
+ var ret = return_mtype
+ if ret != null then
+ res.append ": "
+ res.add ret.linkto(v)
+ end
+ return res
+ end
+end
+
+redef class CallSite
+ redef fun infobox(v)
+ do
+ var res = new HInfoBox(v, "call {mpropdef}")
+ res.href = v.hrefto(mpropdef)
+ res.new_field("call").add(mpropdef.linkto(v)).add(msignature.linkto(v))
+ if mpropdef.is_intro then
+ else
+ res.new_field("intro").add mproperty.intro.linkto_text(v, "in {mproperty.intro.mclassdef}")
+ end
+ add_doc_to_infobox(res)
+
+ return res
end
- private fun decorate_tag(res: HTMLTag, token: Token)
+ redef fun linkto(v)
+ do
+ return mpropdef.linkto(v)
+ end
+end
+
+redef class Variable
+ super HInfoBoxable
+ redef fun infobox(v)
+ do
+ var declared_type = self.declared_type
+ if declared_type == null then
+ var res = new HInfoBox(v, "{name}")
+ res.new_field("local var").append("{name}")
+ return res
+ end
+ var res = new HInfoBox(v, "{name}: {declared_type}")
+ res.new_field("local var").append("{name}:").add(declared_type.linkto(v))
+ return res
+ end
+end
+
+
+##
+
+redef class ANode
+ # Optionally creates a tag that encapsulate the AST element on HTML rendering
+ protected fun make_tag(v: HighlightVisitor): nullable HTMLTag do return null
+
+ # Add aditionnal information on a child-token and return an additionnal HInfoBox on it
+ protected fun decorate_tag(v: HighlightVisitor, res: HTMLTag, token: Token): nullable HInfoBox
do
#debug("no decoration for {token.inspect}")
#res.add_class("nc_error")
+ return null
+ end
+
+ # Return a optional infobox
+ fun infobox(v: HighlightVisitor): nullable HInfoBox do return null
+end
+
+redef class AQclassid
+ redef fun decorate_tag(v, res, token)
+ do
+ if token != n_id then return null
+ var parent = self.parent
+ if parent == null then return null
+ return parent.decorate_tag(v, res, token)
+ end
+end
+
+redef class AQid
+ redef fun decorate_tag(v, res, token)
+ do
+ if token != n_id then return null
+ var parent = self.parent
+ if parent == null then return null
+ return parent.decorate_tag(v, res, token)
end
end
redef class AStdClassdef
- redef fun accept_highlight_visitor(v)
+ redef fun make_tag(v)
do
var res = new HTMLTag("span")
res.add_class("nc_cdef")
var md = mclassdef
- if md != null then
- var a = new HTMLTag("a")
- a.attr("id", md.to_s)
- res.add(a)
- end
- v.enter res
- super
+ if md != null then res.attr("id", md.to_s)
+ return res
end
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TClassid then return null
res.add_class("nc_def")
var md = mclassdef
- if md == null then return
- var mc = md.mclass
- res.attrs["title"] = mc.full_name
- var mi = mc.intro
- if md != mi then
- res.attrs["link"] = mi.mmodule.name + ".html#" + mi.to_s
- end
+ if md == null then return null
+ return md.infobox(v)
end
end
redef class APropdef
- redef fun accept_highlight_visitor(v)
+ redef fun make_tag(v)
do
var res = new HTMLTag("span")
res.add_class("nc_pdef")
var mpd
mpd = mpropdef
- if mpd != null then res.add(tag(mpd))
+ if mpd != null then
+ #res.add(tag(mpd))
+ res.attr("id", mpd.to_s)
+ end
if self isa AAttrPropdef then
mpd = mreadpropdef
if mpd != null then res.add(tag(mpd))
mpd = mwritepropdef
if mpd != null then res.add(tag(mpd))
end
- v.enter res
- super
+ return res
end
private fun tag(mpd: MPropDef): HTMLTag
redef class Token
# Produce an HTMLTag with the correct contents and CSS classes
# Subclasses can redefine it to decorate the tag
- protected fun make_tag(v: HighlightVisitor): HTMLTag
+ redef fun make_tag(v): HTMLTag
do
var res = new HTMLTag("span")
res.text(text)
return res
end
-
- # Use `empty_tag` to create the tag ; then fill it and add it to the html
- redef fun accept_highlight_visitor(v)
- do
- var n = make_tag(v)
- if n.attrs.is_empty and n.classes.is_empty then
- for c in n.children do
- v.token_head.add(c)
- end
- else if n.attrs.has_key("link") then
- var a = new HTMLTag("a")
- a.attrs["href"] = n.attrs["link"]
- n.attrs.keys.remove("link")
- a.add(n)
- v.token_head.add(a)
- else
- v.token_head.add(n)
- end
- #debug("WRT: {v.token_head.classes} << '{text.escape_to_c}' ")
- end
end
+
redef class TokenKeyword
redef fun make_tag(v)
do
redef fun make_tag(v)
do
var res = super
- var p = parent
- if p != null then p.decorate_tag(res, self)
res.add_class("nc_o")
return res
end
end
-redef class Variable
- private fun decorate_tag(res: HTMLTag, token: Token)
- do
- if declared_type == null then return
- res.attrs["title"] = name + ": " + declared_type.to_s
- end
-end
-
redef class AVarFormExpr
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- res.add_class("nc_v")
+ if token != n_id then return null
var variable = self.variable
- if variable == null then return
- variable.decorate_tag(res, token)
+ if variable == null then return null
+ res.add_class("nc_v")
+ return variable.infobox(v)
end
end
redef class AVardeclExpr
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- res.add_class("nc_v")
+ if token != n_id then return null
var variable = self.variable
- if variable == null then return
- variable.decorate_tag(res, token)
+ if variable == null then return null
+ res.add_class("nc_v")
+ return variable.infobox(v)
end
end
-redef class AForExpr
- redef fun decorate_tag(res, token)
+redef class AForGroup
+ redef fun decorate_tag(v, res, token)
do
- res.add_class("nc_v")
+ if not token isa TId then return null
var vs = variables
- if vs == null then return
- var idx = n_ids.index_of(token.as(TId))
+ if vs == null then return null
+ res.add_class("nc_v")
+ var idx = n_ids.index_of(token)
var variable = vs[idx]
- variable.decorate_tag(res, token)
+ return variable.infobox(v)
end
end
redef class AParam
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- res.add_class("nc_v")
+ if token != n_id then return null
var mp = mparameter
- if mp == null then return
- res.attrs["title"] = mp.name + ": " + mp.mtype.to_s
+ if mp == null then return null
+ var variable = self.variable
+ if variable == null then return null
+ res.add_class("nc_v")
+ return variable.infobox(v)
end
end
redef class AAssertExpr
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TId then return null
res.add_class("nc_ast")
+ return null
end
end
redef class ALabel
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TId then return null
res.add_class("nc_la")
+ return null
end
end
redef class ASendExpr
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- if callsite == null then return
- var mpropdef = callsite.mpropdef
- res.attrs["title"] = mpropdef.to_s + callsite.msignature.to_s
- res.attrs["link"] = mpropdef.mclassdef.mmodule.name + ".html#" + mpropdef.to_s
+ var callsite = self.callsite
+ if callsite == null then return null
+ return callsite.infobox(v)
end
end
redef class ANewExpr
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- if callsite == null then return
- var mpropdef = callsite.mpropdef
- res.attrs["title"] = mpropdef.to_s + callsite.msignature.to_s
- res.attrs["link"] = mpropdef.mclassdef.mmodule.name + ".html#" + mpropdef.to_s
+ var callsite = self.callsite
+ if callsite == null then return null
+ return callsite.infobox(v)
end
end
redef class AAssignOp
- redef fun decorate_tag(res, v)
+ redef fun decorate_tag(v, res, token)
do
var p = parent
assert p isa AReassignFormExpr
var callsite = p.reassign_callsite
- if callsite == null then return
- var mpropdef = callsite.mpropdef
- res.attrs["title"] = mpropdef.to_s + callsite.msignature.to_s
- res.attrs["link"] = mpropdef.mclassdef.mmodule.name + ".html#" + mpropdef.to_s
+ if callsite == null then return null
+ return callsite.infobox(v)
end
end
redef class AModuleName
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
- parent.decorate_tag(res, token)
+ var p = parent
+ if p == null then return null
+ return p.decorate_tag(v, res, token)
end
end
redef class AModuledecl
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TId then return null
res.add_class("nc_def")
res.add_class("nc_m")
var p = parent
assert p isa AModule
var mm = p.mmodule
- if mm == null then return
- res.attrs["title"] = mm.full_name
+ if mm == null then return null
+ return mm.infobox(v)
end
end
redef class AStdImport
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TId then return null
res.add_class("nc_m")
var mm = mmodule
- if mm == null then return
- res.attrs["title"] = mm.full_name
- res.attrs["link"] = mm.name + ".html"
+ if mm == null then return null
+ return mm.infobox(v)
end
end
-
redef class AAttrPropdef
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TId then return null
res.add_class("nc_def")
var mpd: nullable MPropDef
mpd = mreadpropdef
if mpd == null then mpd = mpropdef
- if mpd == null then return
- var mp = mpd.mproperty
- res.attrs["title"] = mp.full_name
- if mp.intro != mpd then
- mpd = mp.intro
- res.attrs["link"] = mpd.mclassdef.mmodule.name + ".html#" + mpd.to_s
- end
+ if mpd == null then return null
+ return mpd.infobox(v)
end
end
redef fun make_tag(v)
do
var res = super
- var p = parent
- if p != null then p.decorate_tag(res, self)
res.add_class("nc_i")
return res
end
end
redef class AMethid
- redef fun accept_highlight_visitor(v)
+ redef fun make_tag(v)
do
var res = new HTMLTag("span")
res.add_class("nc_def")
- var p = parent
- if p isa AMethPropdef then
- var mpd = p.mpropdef
- if mpd != null then
- var mp = mpd.mproperty
- res.attr("title", mp.full_name)
- if mp.intro != mpd then
- mpd = mp.intro
- var link = mpd.mclassdef.mmodule.name + ".html#" + mpd.to_s
- var l = new HTMLTag("a")
- l.attr("href", link)
- v.enter l
- end
- end
- end
- v.enter res
- super
+ return res
end
- redef fun decorate_tag(res, v)
+ redef fun decorate_tag(v, res, token)
do
+ return null
# nothing to decorate
end
+ redef fun infobox(v)
+ do
+ var p = parent
+ if not p isa AMethPropdef then return null
+ var mpd = p.mpropdef
+ if mpd == null then return null
+ return mpd.infobox(v)
+ end
end
redef class TAttrid
redef fun make_tag(v)
do
var res = super
- var p = parent
- if p != null then p.decorate_tag(res, self)
res.add_class("nc_a")
return res
end
end
redef class AAttrFormExpr
- redef fun decorate_tag(res, v)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TAttrid then return null
var p = mproperty
- if p == null then return
- res.attrs["title"] = p.full_name
- var pi = p.intro
- res.attrs["link"] = pi.mclassdef.mmodule.name + ".html#" + pi.to_s
+ if p == null then return null
+ return p.intro.infobox(v)
end
end
redef class TClassid
redef fun make_tag(v)
do
var res = super
- var p = parent
- if p != null then p.decorate_tag(res, self)
res.add_class("nc_t")
return res
end
end
redef class AType
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TClassid then return null
var mt = mtype
- if mt == null then return
- var title = mt.to_s
- if mt isa MNullableType then mt = mt.mtype
- if mt isa MVirtualType or mt isa MParameterType then
+ if mt == null then return null
+ mt = mt.undecorate
+ if mt isa MFormalType then
res.add_class("nc_vt")
- else if mt isa MClassType then
- title = mt.mclass.full_name
- res.attrs["link"] = mt.mclass.intro.mmodule.name + ".html#" + mt.mclass.intro.to_s
end
- res.attrs["title"] = title
+ return mt.infobox(v)
end
end
redef class AFormaldef
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TClassid then return null
res.add_class("nc_vt")
- if mtype == null then return
- res.attrs["title"] = "{mtype.to_s}: {bound.to_s}"
+ var mtype = self.mtype
+ if mtype == null then return null
+ return mtype.infobox(v)
end
end
redef class ATypePropdef
- redef fun decorate_tag(res, token)
+ redef fun decorate_tag(v, res, token)
do
+ if not token isa TClassid then return null
res.add_class("nc_def")
var md = mpropdef
- if md == null then return
- var mp = mpropdef.mproperty
- res.attrs["title"] = mp.full_name
- var mi = mp.intro
- if md != mi then
- res.attrs["link"] = mi.mclassdef.mmodule.name + ".html#" + mi.to_s
- end
+ if md == null then return null
+ return md.infobox(v)
end
end
redef class TComment
redef fun make_tag(v)
do
var res = super
- if parent == null then
+ if is_loose then
res.add_class("nc_c")
- else
- assert parent isa ADoc
end
return res
end
end
redef class ADoc
- redef fun accept_highlight_visitor(v)
+ redef fun make_tag(v)
do
var res = new HTMLTag("span")
res.add_class("nc_d")
- v.enter res
- super
+ return res
end
end
redef class TokenLiteral
do
var res = super
res.add_class("nc_l")
- var p = parent
- if p isa AStringFormExpr then p.decorate_tag(res, self)
return res
end
end
redef class ASuperstringExpr
- redef fun accept_highlight_visitor(v)
+ redef fun make_tag(v)
do
var res = new HTMLTag("span")
res.add_class("nc_ss")
- v.enter res
- super
+ return res
end
end
redef class AStringFormExpr
- redef fun decorate_tag(res, v)
+ redef fun decorate_tag(v, res, token)
do
- # Workarount to tag strings
+ # Workaround to tag strings
res.classes.remove("nc_l")
res.add_class("nc_s")
+ return super
+ end
+end
+redef class AExpr
+ redef fun decorate_tag(v, res, token)
+ do
+ var t = mtype
+ if t == null then return null
+ return t.infobox(v)
end
end
-