- Updated comment parsing: comments and strings working
- To do: assembler code
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ecc6517eba
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2e4d885d81
96
pret-pas.lua
96
pret-pas.lua
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@ -92,10 +92,10 @@ local function flush_whatever(str)
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end
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end
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local inlongcomment, incompdirec, inasm = false, false, false
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local inlongcomment, inlongcomment_alt, incompdirec, inasm = false, 0, false, false
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function visualizer.reset()
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inlongcomment, incompdirec, inasm = false, false, false
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inlongcomment, inlongcomment_alt, incompdirec, inasm = false, 0, false, false
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end
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--[[local function written(state, c, i)
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@ -115,9 +115,9 @@ end
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end]]
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function visualizer.flush_line(str, nested)
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local state, word = 0, nil
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local state = 0
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local incomment, instring = false, false
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local code, comment = nil, nil
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--local code, comment = nil, nil
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buffers.currentcolors = colors
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--[[
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@ -134,6 +134,7 @@ function visualizer.flush_line(str, nested)
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until not identifier
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]]
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--TODO: handle inlongcomment etc.
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--[[
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if inlongcomment then
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comment, code = string.match(str,"^(.-})(.*)$")
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if not comment then
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@ -151,20 +152,19 @@ function visualizer.flush_line(str, nested)
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else
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code = str
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end
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local c = nil
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--[[
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for nextc in string.utfcharacters(code .. " ") do
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if firstrun then
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firstrun = false
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else
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print(c, nextc)
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end
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c = nextc
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end
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]]
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for nextc in string.utfcharacters(code .. " ") do
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if inlongcomment or (inlongcomment_alt == 2) or incompdirec then
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incomment = true
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if incompdirec then
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state = buffers.changestate(1, state)
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else
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state = buffers.changestate(3, state)
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end
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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end
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local c, word = nil, nil
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for nextc in string.utfcharacters(str .. " ") do
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if c then
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if instring then
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if c == "'" then
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@ -177,13 +177,20 @@ function visualizer.flush_line(str, nested)
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flush_whatever(c)
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end
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elseif incomment then
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if inlongcomment and (c == "}") then
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-- long comment ends
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if ((inlongcomment or incompdirec) and (c == "}"))
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or (inlongcomment_alt == 1) then
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-- long comment/(alternative)/compiler directive ends
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tex.write(c)
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tex.sprint(tex.ctxcatcodes, "\}")
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state = buffers.finishstate(state)
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incompdirec = false
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inlongcomment = false
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inlongcomment_alt = 0
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incomment = false
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elseif (inlongcomment_alt == 2) and (c == "*") and (nextc == ")") then
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-- long comment (alternative) ends after nextc
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tex.write(c)
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inlongcomment_alt = 1
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else
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-- inside the comment
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flush_whatever(c)
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@ -201,15 +208,11 @@ function visualizer.flush_line(str, nested)
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word = word .. c
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else
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-- number
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if not incomment then
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state = buffers.changestate(3, state)
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end
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state = buffers.changestate(3, state)
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tex.write(c)
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end
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else
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if not incomment then
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state = buffers.finishstate(state)
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end
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state = buffers.finishstate(state)
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-- identifier complete, check if it's a reserved word and flush
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flush_pas_word(word)
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word = nil
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@ -221,35 +224,40 @@ function visualizer.flush_line(str, nested)
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tex.sprint(tex.ctxcatcodes,rep("\\obs ", buffers.visualizers.tablength))
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end
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elseif c == "'" then
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if not incomment then -- "not instring" not necessary
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-- string starts
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instring = true
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state = buffers.changestate(3, state)
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end
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-- string starts
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instring = true
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state = buffers.changestate(3, state)
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tex.write(c)
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elseif (c == "/") and (nextc == "/") then
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if not incomment then
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-- one-line comment starts
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incomment = true
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state = buffers.changestate(3, state)
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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end
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-- one-line comment starts
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incomment = true
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state = buffers.changestate(3, state)
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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tex.write(c)
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elseif c == "{" then
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if not incomment then
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incomment = true
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if nextc == "$" then
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-- compiler directive starts
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incompdirec = true
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state = buffers.changestate(1, state)
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else
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-- long comment starts
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incomment = true
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inlongcomment = true
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state = buffers.changestate(3, state)
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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end
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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tex.write(c)
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-- TODO: (*, asm, {$
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elseif (c == "(") and (nextc == "*") then
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-- long comment (alternative) starts
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incomment = true
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inlongcomment_alt = 2
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state = buffers.changestate(3, state)
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tex.sprint(tex.ctxcatcodes, "\{\\bf")
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tex.write(c)
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-- TODO: asm
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else
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-- symbol
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if not incomment then
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state = buffers.changestate(1, state)
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end
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state = buffers.changestate(1, state)
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tex.write(c)
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end
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end
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@ -265,7 +273,7 @@ function visualizer.flush_line(str, nested)
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-- end the comment-line
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tex.sprint(tex.ctxcatcodes, "\}")
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end
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state = buffers.finishstate(state)
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--[[
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local code, comment = string.match(str,"^(.-)%-%-%[%[(.*)$")
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