- Added: Bold fontface for reserved words works, everything else still from Lua highlighting
This commit is contained in:
commit
1a0dd115df
|
|
@ -0,0 +1,291 @@
|
|||
if not modules then modules = { } end modules ['pret-pas'] = {
|
||||
version = 1.0,
|
||||
comment = "custom pretty printer for Pascal code",
|
||||
author = "Stefan Müller, Chemnitz DE",
|
||||
copyright = "Stefan Müller",
|
||||
license = "see context related readme files"
|
||||
}
|
||||
|
||||
local utf = unicode.utf8
|
||||
|
||||
local utfcharacters, utfvalues = string.utfcharacters, string.utfvalues
|
||||
local utfbyte, utffind = utf.byte, utf.find
|
||||
local byte, sub, find, match = string.byte, string.sub, string.find, string.match
|
||||
local texsprint, texwrite = tex.sprint, tex.write
|
||||
local ctxcatcodes = tex.ctxcatcodes
|
||||
|
||||
local buffers = buffers
|
||||
|
||||
local changestate, finishstate = buffers.changestate, buffers.finishstate
|
||||
|
||||
local visualizer = buffers.newvisualizer("pas")
|
||||
|
||||
-- reserved words taken from http://www.freepascal.org/docs-html/ref/refse3.html
|
||||
|
||||
visualizer.reservedwords = {
|
||||
-- Turbo Pascal
|
||||
"absolute", "and", "array", "asm", "begin", "case", "const", "constructor",
|
||||
"destructor", "div", "do", "downto", "else", "end", "file", "for",
|
||||
"function", "goto", "if", "implementation", "in", "inherited", "inline",
|
||||
"interface", "label", "mod", "nil", "not", "object", "of", "on", "operator",
|
||||
"or", "packed", "procedure", "program", "record", "reintroduce", "repeat",
|
||||
"self", "set", "shl", "shr", "string", "then", "to", "type", "unit",
|
||||
"until", "uses", "var", "while", "with", "xor",
|
||||
|
||||
-- Free Pascal
|
||||
-- these are not bold type (keeping them, just in case)
|
||||
-- "dispose", "exit", "false", "new", "true",
|
||||
|
||||
-- Object Pascal
|
||||
"as", "class", "dispinterface", "except", "exports", "finalization",
|
||||
"finally", "initialization", "inline", "is", "library", "on", "out",
|
||||
"packed", "property", "raise", "resourcestring", "threadvar", "try",
|
||||
|
||||
-- Modifiers
|
||||
-- some of these are only bold in specific places (this is deliberately
|
||||
-- ignored)
|
||||
"absolute", "abstract", "alias", "assembler", "cdecl", "cppdecl", "default",
|
||||
"export", "external", "far", "far16", "forward", "index", "local", "name",
|
||||
"near", "nostackframe", "oldfpccall", "override", "pascal", "private",
|
||||
"protected", "public", "published", "read", "register", "reintroduce",
|
||||
"safecall", "softfloat", "stdcall", "virtual", "write"
|
||||
}
|
||||
|
||||
local known_words = { }
|
||||
|
||||
for k,v in next, visualizer.reservedwords do
|
||||
known_words[v] = k
|
||||
end
|
||||
|
||||
local colors = {
|
||||
"prettyone", -- red
|
||||
"prettytwo", -- green
|
||||
"prettythree", -- blue
|
||||
"prettyfour", -- yellow
|
||||
}
|
||||
|
||||
local states = {
|
||||
['"']=1, ["'"]=1, ["[["] = 1, ["]]"] = 1,
|
||||
['+']=1, ['-']=1, ['*']=1, ['/']=1, ['%']=1, ['^']=1,
|
||||
["("] = 3, [")"] = 3, ["["] = 3, ["]"] = 3,
|
||||
['--']=4,
|
||||
}
|
||||
|
||||
local function flush_pas_word(word)
|
||||
if word then
|
||||
local id = known_words[word]
|
||||
if id then
|
||||
tex.sprint(tex.ctxcatcodes,"\{\\bf ")
|
||||
tex.write(word)
|
||||
tex.sprint(tex.ctxcatcodes,"\}")
|
||||
else
|
||||
tex.write(word)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local incomment, inlongstring = false, false
|
||||
local incompdirec, inasm = false, false
|
||||
|
||||
function visualizer.reset()
|
||||
incomment, inlongstring = false, false
|
||||
incompdirec, inasm = false, false
|
||||
end
|
||||
|
||||
local function written(state,c,i)
|
||||
if c == " " then
|
||||
state = finishstate(state)
|
||||
texsprint(ctxcatcodes,"\\obs")
|
||||
elseif c == "\t" then
|
||||
state = finishstate(state)
|
||||
texsprint(ctxcatcodes,"\\obs")
|
||||
if buffers.visualizers.enabletab then
|
||||
texsprint(ctxcatcodes,rep("\\obs ",i%buffers.visualizers.tablength))
|
||||
end
|
||||
else
|
||||
texwrite(c)
|
||||
end
|
||||
return state, 0
|
||||
end
|
||||
|
||||
function visualizer.flush_line(str, nested)
|
||||
--[[
|
||||
buffers.currentcolors = colors
|
||||
local identifier = nil
|
||||
for c in string.utfcharacters(str) do
|
||||
if string.string.find(c, "^[%a%_]$") then
|
||||
if identifier then
|
||||
identifier = identifier .. c
|
||||
else
|
||||
identifier = c
|
||||
end
|
||||
elseif string.string.find(c, "^[%d]$")
|
||||
if identifier and #identifier > 1 then
|
||||
identifier = identifier .. c
|
||||
end
|
||||
elseif
|
||||
--flush_pas_word(identifier)
|
||||
identifier = nil
|
||||
end
|
||||
tex.write("p")
|
||||
end
|
||||
--flush_pas_word(identifier)
|
||||
identifier = nil
|
||||
]]
|
||||
local state, instr, inesc, word = 0, false, false, nil
|
||||
buffers.currentcolors = colors
|
||||
local code, comment = match(str,"^(.-)%-%-%[%[(.*)$")
|
||||
if comment then
|
||||
-- process the code and then flush the comment
|
||||
elseif incomment then
|
||||
comment, code = match(str,"^(.-)%]%](.*)$")
|
||||
if comment then
|
||||
-- flush the comment and then process the code
|
||||
for c in utfcharacters(comment) do
|
||||
if c == " " then texsprint(ctxcatcodes,"\\obs") else texwrite(c) end
|
||||
end
|
||||
state = changestate(states['--'], state)
|
||||
texwrite("]]")
|
||||
state = finishstate(state)
|
||||
incomment = false
|
||||
else
|
||||
for c in utfcharacters(str) do
|
||||
if c == " " then texsprint(ctxcatcodes,"\\obs") else texwrite(c) end
|
||||
end
|
||||
end
|
||||
comment = nil
|
||||
else
|
||||
code = str
|
||||
end
|
||||
if code and code ~= "" then
|
||||
local pre, post = match(code,"^(.-)%-%-(.*)$")
|
||||
if pre then
|
||||
code = pre
|
||||
end
|
||||
local p, s, i = nil, nil, 0
|
||||
for c in utfcharacters(code) do
|
||||
i = i + 1
|
||||
if instr then
|
||||
if p then
|
||||
texwrite(p)
|
||||
p = nil
|
||||
end
|
||||
if c == s then
|
||||
if inesc then
|
||||
texwrite(c)
|
||||
inesc = false
|
||||
else
|
||||
state = changestate(states[c],state)
|
||||
instr = false
|
||||
texwrite(c)
|
||||
state = finishstate(state)
|
||||
end
|
||||
s = nil
|
||||
else
|
||||
if c == "\\" then
|
||||
inesc = not inesc
|
||||
else
|
||||
inesc = false
|
||||
end
|
||||
state, i = written(state,c,i)
|
||||
end
|
||||
elseif c == "[" then
|
||||
if word then
|
||||
texwrite(word)
|
||||
word = nil
|
||||
end
|
||||
if p == "[" then
|
||||
inlongstring = true
|
||||
state = changestate(states["[["],state)
|
||||
texwrite(p,c)
|
||||
state = finishstate(state)
|
||||
p = nil
|
||||
else
|
||||
if p then
|
||||
state, i = written(state,p,i)
|
||||
end
|
||||
p = c
|
||||
end
|
||||
elseif c == "]" then
|
||||
if word then
|
||||
texwrite(word)
|
||||
word = nil
|
||||
end
|
||||
if p == "]" then
|
||||
inlongstring = false
|
||||
state = changestate(states["]]"],state)
|
||||
texwrite(p,c)
|
||||
state = finishstate(state)
|
||||
p = nil
|
||||
else
|
||||
if p then
|
||||
state, i = written(state,p,i)
|
||||
end
|
||||
p = c
|
||||
end
|
||||
else
|
||||
if p then
|
||||
state = changestate(states[p],state)
|
||||
texwrite(p)
|
||||
state = finishstate(state)
|
||||
p = nil
|
||||
end
|
||||
if c == " " or c == "\t" then
|
||||
if word then
|
||||
flush_pas_word(word)
|
||||
word = nil
|
||||
end
|
||||
state, i = written(state,c,i)
|
||||
elseif inlongstring then
|
||||
state, i = written(state,c,i)
|
||||
elseif c == '"' or c == "'" then
|
||||
if word then
|
||||
flush_pas_word(word)
|
||||
word = nil
|
||||
end
|
||||
instr = true
|
||||
state = changestate(states[c],state)
|
||||
state, i = written(state,c,i)
|
||||
state = finishstate(state)
|
||||
s = c
|
||||
elseif find(c,"^[%a]$") then
|
||||
state = finishstate(state)
|
||||
if word then word = word .. c else word = c end
|
||||
elseif word and (#word > 1) and find(c,"^[%d%.%_]$") then
|
||||
if word then word = word .. c else word = c end
|
||||
else
|
||||
flush_pas_word(word)
|
||||
word = nil
|
||||
state = changestate(states[c],state)
|
||||
texwrite(c)
|
||||
instr = (c == '"')
|
||||
end
|
||||
end
|
||||
end
|
||||
if p then
|
||||
texwrite(p)
|
||||
-- state, i = written(state,p,i)
|
||||
p = nil
|
||||
end
|
||||
flush_pas_word(word)
|
||||
if post then
|
||||
state = changestate(states['--'], state)
|
||||
texwrite("--")
|
||||
state = finishstate(state)
|
||||
for c in utfcharacters(post) do
|
||||
state, i = written(state,c,i)
|
||||
end
|
||||
end
|
||||
end
|
||||
if comment then
|
||||
incomment = true
|
||||
state = changestate(states['--'], state)
|
||||
texwrite("[[")
|
||||
state = finishstate(state)
|
||||
-- texwrite(comment) -- maybe also split and
|
||||
for c in utfcharacters(comment) do
|
||||
state, i = written(state,c,i)
|
||||
end
|
||||
end
|
||||
state = finishstate(state)
|
||||
end
|
||||
|
|
@ -0,0 +1,24 @@
|
|||
\installprettytype[PAS][PAS]
|
||||
\setupcolors[state=start]
|
||||
\setuptyping[option=color]
|
||||
\definetyping[PAS][option=PAS, escape=yes, tab=4, numbering=line]
|
||||
\setuplinenumbering[location=text]
|
||||
|
||||
\starttext
|
||||
\startPAS
|
||||
blub { Comment } blub
|
||||
blub {$R- compiler directive} blub
|
||||
procedure TForm1.Button1.Click(Sender: TObject);
|
||||
var // Delphi Comment
|
||||
Number, I, X: Integer;
|
||||
begin
|
||||
Number := 12345 * (2 + 9);
|
||||
Caption := 'The number is ' + IntToStr(Number);
|
||||
asm
|
||||
MOV AX,1234h
|
||||
MOV Number,AX
|
||||
end;
|
||||
X := 10;
|
||||
end;
|
||||
\stopPAS
|
||||
\stoptext
|
||||
Loading…
Reference in New Issue