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macro.rb
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macro.rb
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# process macro of c/c++
load 'goto.rb'
load 'sym.rb'
load 'scanner.rb'
load 'crr_parser.rb'
load 'error.rb'
load 'log.rb'
load 'common.rb'
class PreParser < CRRParser
end
# hide_p_in_file(__FILE__)
class Preprocessor < PreParser
attr_accessor :ifstack
def Get()
super(false)
p "Get99:#{@sym}, #{curString}"
if @sym == C_CRLF_Sym
@linestart = true
while @sym == C_CRLF_Sym && @sym != C_EOF_Sym
super(false)
p "Get98:#{@sym}, #{@scanner.buffPos}"
end
elsif @first_get
@linestart = true
@first_get = false
else
@linestart = false
end
end
def Preprocess(include_predined_file = true)
if $g_cur_parse_file
@file_save = "pre.part.#{$g_cur_parse_file.split("/").last}.#{Time.now.to_i}"
else
@file_save = "pre.#{Time.now.to_i}"
end
@in_preprocessing = true
@ifstack = []
@ifstack_before_inc = []
@saved_line = 0
@count = 0
@macros ={}
@first_get = true
# if include_predined_file
# include_file("c_macros.c") # predefined macros
# end
p "start Preprocess"
Get()
p "sym3333:#{@sym}"
# _preprocess(false)
_preprocess()
@in_preprocessing = false
# @scanner.Reset()
# ret = expand_macro(@scanner.buffer)
# p "after expand_macro: #{ret}"
p "after preprocess:line #{@scanner.currLine}"
s = read_file(@file_save)
s = "" if !s
return s+ @scanner.buffer
end
# def _preprocess(stop_on_unkown_directive = true)
# while (@sym!=C_EOF_Sym)
#
# p "sym2:#{@sym}, #{curString()}"
# if @sym == C_PreProcessorSym
# @directive = preprocess_directive()
# return @directive if stop_on_unkown_directive && @directive
# end
# # if @sym == C_identifierSym
# # cs = curString()
# # if ifdefined?(cs)
# # @macros[n]
# # end
# # end
# Get()
# end
# end
def add_macro(n,v)
@macros = {} if @macros == nil
@macros[n] = v
end
def push_ifstack
cl = @scanner.current_line
@ifstack.push(cl)
indent = ""
for i in 1..@ifstack.size
indent += "---+"
end
append_file("ifstack", "#{indent}>#{cl}\n")
end
def pop_ifstack
cl = @ifstack.pop
indent = ""
for i in 1..@ifstack.size+1
indent += "---+"
end
append_file("ifstack", "#{indent}<#{cl}\n")
end
# process every directive
def preprocess_directive(doprepro)
=begin
_str1 = curString()
# pp "preprocessor: #{@sym}, #{_str1}", 20
Get()
_str2 = curString()
@directive = "#{_str1}#{_str2}"
=end
p "preprocess_directive0 #{@directive}, line=#{@scanner.currLine}", 10
#if @scanner.currLine == 54 && @directive == "\#include"
# # p "==>preprocess_directive9:#{@scanner.buffer}"
#end
if @directive == "\#includestackpop" # you cannot use include_stack_pop, before the sym will only be "#include",because it will stop before "_", check method scanner::Get()
p "pop stack"
path = @scanner.include_stack.pop
if @ifstack_before_inc.last != @ifstack.last
p "#{@ifstack_before_inc.last}!=#{@ifstack.last}"
throw "---->ifstack cross included file #{path}, error <------"
end
@ifstack_before_inc.pop
indent = ""
for i in 1..@scanner.include_stack.size+1
indent += "----"
end
append_file("included_files", "#{indent}<#{path}\n")
# p "before delete line:#{@scanner.buffer}"
# p "-->111#{skip_curline}"
#p "--->113#{delete_prevline}"
delete_curline
# p "after line2:#{@scanner.buffer}"
@directive = nil
elsif @directive == "\#include"
p "====>preprocess_directive1"
Get()
if (@sym == 4) # string
finclude = curString()
#p "==>preprocess_directive91:#{@scanner.buffer}"
p "fclude111:#{finclude}"
p "@sym=#{@sym}"
p "current sym:#{@scanner.currSym.sym}"
if finclude[0]=="\"" || finclude[0] =="\'"
finclude = finclude[1..finclude.size-1]
end
if finclude[finclude.size-1]=="\"" || finclude[finclude.size-1] =="\'"
finclude = finclude[0..finclude.size-2]
end
else # @sym should be 13 # <
p("sym:#{@sym}, #{curString}")
# p "==>:#{@scanner.buffer}"
Get()
p "sym33=#{@sym}, #{curString()}"
finclude = ""
while @sym != C_GreaterSym #&& (@sym == C_PointSym || @sym == C_identifierSym || @sym == C_SlashSym ) # ">"
finclude += curString()
Get()
end
p "@sym=#{@sym}"
p "current sym:#{@scanner.currSym.sym}"
p "fclude:#{finclude}"
end
p "-->include file #{finclude}"
#p self.inspect
#p @scanner.inspect
if doprepro
ri = include_file(finclude)
@ifstack_before_inc.push(@ifstack.last) if ri
end
@directive = nil
elsif @directive == "\#define"
p "====>preprocess_directive2"
pre_define(doprepro)
@directive = nil
elsif @directive == "\#ifdef"
p "====>preprocess_directive3"
push_ifstack
pre_ifdef(doprepro)
expect("\#endif")
pop_ifstack
elsif @directive == "\#ifndef"
p "====>preprocess_directive4"
push_ifstack
pre_ifndef(doprepro)
expect("\#endif")
pop_ifstack
elsif @directive == "\#if"
p "====>preprocess_directive5"
push_ifstack
pre_if(doprepro)
expect("\#endif")
pop_ifstack
elsif @directive == "\#undef"
Get()
p "undefine #{curString}"
@macros.delete(curString())
delete_curline
@directive = nil
else
# @scanner.delete_curline
# if !["#else", "#endif", "elif"].include?(@directive)
# @scanner.skip_curline
p "before delete:#{@scanner.buffPos}, #{@scanner.buffer[@scanner.buffPos-5..@scanner.buffPos+15]}", 10
#@scanner.skip_curline(true)
#delete_curline()
p "before delete2:#{@scanner.nextSym.pos}, #{@scanner.buffer[@scanner.nextSym.pos..@scanner.nextSym.pos+10]}", 10
pstart = @scanner.nextSym.pos
while @sym != C_PointSym && @sym != C_ColonSym && @sym != C_CRLF_Sym && @sym != C_CommaSym
PreParser.instance_method(:Get).bind(self).call(false)
p "==>#{@sym}, #{curString}"
end
p "before delete3:#{@scanner.nextSym.pos}, #{@scanner.buffer[@scanner.nextSym.pos..@scanner.nextSym.pos+10]}", 10
@scanner.delete_in_line(pstart, @scanner.nextSym.pos)
p "after delete:#{@scanner.buffPos}, #{@scanner.buffer[@scanner.buffPos-5..@scanner.buffPos+15]}", 10
# Get()
# p "get:#{@scanner.nextSym.inspect}, #{@scanner.ch} #{curString}"
# p "buffer:#{@scanner.buffer}"
# end
@directive = nil
end
# p "after process directive #{@directive}:#{@scanner.buffer}"
return nil
end
def ifdefined?(n)
return @macros[n] != nil
end
def pre_define(doprepro)
Get(false)
# Expect(C_identifierSym)
p "c0000=#{@sym}, #{curString()}, line #{@scanner.currLine}, ch=#{@scanner.cch.to_byte}"
start_pos = @scanner.buffPos
n = curString()
p "--->pre_define:#{n}, #{@scanner.buffer[@scanner.buffPos].to_byte}@#{@scanner.buffer[@scanner.buffPos]}"
args =[]
v = ""
hasArg = false
ch = @scanner.buffer[@scanner.buffPos]
if (ch.to_byte >= 9 && # TAB
ch.to_byte <= 10 || # LF
ch.to_byte == 13 || # CR
ch == ' ')
# p "==>define51:#{n}:before skip_curline, #{@scanner.currLine}, #{@scanner.buffer[@scanner.buffPos..@scanner.buffPos+10]}, buffer:#{@scanner.buffer}"
v = @scanner.skip_curline(true)
# p "==>define51:#{n}:after skip_curline, #{@scanner.currLine}, #{@scanner.buffer[@scanner.buffPos..@scanner.buffPos+10]}"
else
Get(false)
# n = prevString()
vargs = false
p "c1111=#{@sym}, #{curString()}, line #{curLine}"
if @sym == C_CRLF_Sym
@scanner.skip_curline(true)
elsif (@sym == C_LparenSym)
hasArg = true
Get()
if @sym == C_RparenSym
#Get()
p("===>pre_define3:#{@sym},#{curString}")
else
if (@sym == C_identifierSym)
Expect(C_identifierSym)
args.push(prevString())
while (@sym == C_CommaSym)
Get()
Expect(C_identifierSym)
args.push(prevString())
end
elsif @sym == C_PPPSym
vargs = true
Get()
end
end
#Expect(C_RparenSym)
v = @scanner.skip_curline(true)
else
v = @scanner.skip_curline(true, @scanner.nextSym.pos)
end
end
p "macro #{n} defined in line #{@scanner.currLine}"
# while @sym < C_No_Sym && @sym != C_EOF_Sym
# c = curString()
# if @sym ==C_identifierSym
# count = 0
# args.each{|arg|
# break if arg == c
# count += 1
# }
# if count >= args.size
# v+=c
# else
# v += "%$<#{count}>$%"
# end
# end
# Get()
# end
# p "prevString:#{prevString}:curString:#{curString}, #{@scanner.buffer[@scanner.buffPos]}"
# v = curString()+@scanner.skip_curline(true)
p "==>define:#{n}==#{v}, pos=#{@scanner.buffPos}", 10
#delete_prevline
# p "pre_define1:pos=#{@scanner.buffPos}, buffer #{@scanner.buffer}, sym:#{@sym}"
# p "before line1:#{@scanner.buffer}"
# p "before line1:buffPos:#{@scanner.buffPos},#{@scanner.buffer[@scanner.buffPos]}, #{@scanner.ch},#{@scanner.buffer[@scanner.buffPos..@scanner.buffPos+2]} "
pos2 = @scanner.buffPos
# p "delete lines #{start_pos} #{@scanner.buffer[start_pos..start_pos+5]}, #{pos2} #{@scanner.buffer[pos2..pos2+5]}"
delete_lines(start_pos, pos2, false)
# p "after line2:#{@scanner.buffer}"
# p "==>define5:#{n}:after delete_lines, #{@scanner.currLine}, #{@scanner.ch}, #{@scanner.buffer[@scanner.buffPos..@scanner.buffPos+10]}"
if !vargs # not vararg
v=v.gsub(/(\w[\w\d_]*)/){|m|
p m.inspect
count = args.index(m)
if count
"%<#{count}>%"
else
m
end
}
v = v.strip
end
p "n=#{n}"
p "v=#{v}"
add_macro(n, {
:v=>v,
:hasArg=>hasArg
}) if doprepro
end
def ActualParameters()
debug "==>ActualParameters:#{@sym}, line #{curLine}, val #{curString()}"
ret = ""
args=[]
# line 2661 "cs.atg"
# line 2668 "cs.atg"
lp = 1
r = ""
while (@sym != C_CommaSym )
if @sym == C_RparenSym
lp -= 1
if lp == 0
break
end
elsif @sym == C_LparenSym
lp += 1
end
r += curString()
Get()
end
args.push(r)
ret += r
p "ret:#{ret}"
if lp >0
while (@sym == C_CommaSym)
ret += ","
Get()
r = ""
while (@sym != C_CommaSym )
if @sym == C_RparenSym
lp -= 1
if lp == 0
break
end
elsif @sym == C_LparenSym
lp += 1
end
r += curString()
Get()
end
args.push(r)
ret += r
end
end
debug "==>ActualParameters1:#{@sym}, line #{curLine}, val #{curString()}, ret=#{ret}"
# line 2776 "cs.atg"
return [ret, args]
end
# def preprocess_directive()
#
# _str1 = curString()
# pp "preprocessor: #{@sym}, #{_str1}", 20
# Get()
# _str2 = curString()
# @directive = "#{_str1}#{_str2}"
# p "directive=#{@directive}, line=#{@scanner.currLine}"
# if @directive == "\#define"
#
#
#
# else
# # @scanner.delete_curline
# return @directive
# end
# return nil
# end
=begin
# line 2597 "cs.atg"
def FunctionCall()
pp "functioncall()",20
ret =""
# line 2597 "cs.atg"
Expect(C_LparenSym);
# line 2598 "cs.atg"
pdebug("=====>FunctionCall");
ret = []
# line 2605 "cs.atg"
if (@sym >= C_identifierSym && @sym <= C_numberSym ||
@sym >= C_stringD1Sym && @sym <= C_charD1Sym ||
@sym == C_LbraceSym ||
@sym == C_LparenSym ||
@sym == C_StarSym ||
@sym == C_AndSym ||
@sym >= C_PlusSym && @sym <= C_MinusSym ||
@sym >= C_PlusPlusSym && @sym <= C_MinusMinusSym ||
@sym >= C_newSym && @sym <= C_DollarSym ||
@sym >= C_BangSym && @sym <= C_TildeSym)
# line 2605 "cs.atg"
ret = ActualParameters()
end
# line 2605 "cs.atg"
Expect(C_RparenSym);
# line 2606 "cs.atg"
p "====>FunctionCall1:(#{ret})"
return ret.inspect
end
# line 2660 "cs.atg"
def ActualParameters()
debug "==>ActualParameters:#{@sym}, line #{curLine}, val #{curString()}"
ret = []
# line 2661 "cs.atg"
# line 2668 "cs.atg"
ret.push(Expression())
# line 2669 "cs.atg"
p "ret:#{ret}"
# line 2701 "cs.atg"
while (@sym == C_CommaSym)
# line 2701 "cs.atg"
# ret += curString()
Get()
# line 2701 "cs.atg"
ret.push(Expression())
# line 2703 "cs.atg"
end
debug "==>ActualParameters1:#{@sym}, line #{curLine}, val #{curString()}"
# line 2776 "cs.atg"
return ret
end
# line 966 "cs.atg"
def Expression
ret = ""
# line 966 "cs.atg"
pdebug("===>Expression:#{@sym}")
if @sym == C_LbraceSym # {a, b, c}
ret += "{"
Get()
ret += Expression()
while (@sym==C_CommaSym)
ret += ","
Get()
ret += Expression()
end
Expect(C_RbraceSym)
ret += "}"
else
# line 966 "cs.atg"
c = Conditional()
ret += c
pdebug("===>Expression-1:#{ret}")
# line 966 "cs.atg"
while (@sym == C_EqualSym ||
@sym >= C_StarEqualSym && @sym <= C_GreaterGreaterEqualSym ||
@sym == C_QuestionMarkSym
)
# line 966 "cs.atg"
pdebug("===>Expression0:#{ret}")
if @sym == C_QuestionMarkSym # exp ? A:B
Get()
ret += "?#{Expression()}"
Expect(C_ColonSym)
ret += ":#{Expression()}"
else
ret += AssignmentOperator()
pdebug("===>Expression00:#{ret}")
# line 966 "cs.atg"
ret += Expression()
pdebug("===>Expression000:#{ret}")
# line 967 "cs.atg"
# printf("===>AssignmentOperator\n")
# if (!doAssign())
# continue;
end
end # while
end
if @sym!= C_LbraceSym && @sym!= C_CommaSym && @sym!= C_RparenSym && @sym!= C_SemicolonSym && @sym!=C_RbrackSym && @sym!=C_RbraceSym &&
@prev_sym == C_RparenSym # (exp)exp
# (exp)exp
# ^
p "sym112:#{@sym}, #{curLine()}, #{curCol()}"
# Get()
# Type()
# while (@sym == C_StarSym || @sym == C_AndSym)
# Get()
# end
# Expect(C_RparenSym)
# Get()
ret += Expression()
end
pdebug("===>Expression1:#{ret}")
return ret
end
# line 2134 "cs.atg"
def AssignmentOperator()
ret= curString()
# p "getname:#{@scanner.GetName}"
# line 2134 "cs.atg"
case @sym
when C_EqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_StarEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_SlashEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_PercentEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_PlusEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_MinusEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_AndEqualSym
# line 2134 "cs.atg"
Get();
#break;
when C_UparrowEqualSym
# line 2135 "cs.atg"
Get();
#break;
when C_BarEqualSym
# line 2135 "cs.atg"
Get();
#break;
when C_LessLessEqualSym
# line 2135 "cs.atg"
Get();
#break;
when C_GreaterGreaterEqualSym
# line 2135 "cs.atg"
Get();
# break;
else
GenError(97)
end
# p "getname1:#{@scanner.GetName}"
p "AssignmentOperator:#{ret}"
return ret
end
def Conditional()
pdebug("===>Conditional:#{@sym}")
# line 975 "cs.atg"
ret = LogORExp()
pdebug("===>Conditional1:#{ret}")
return ret
end
def LogORExp()
ret = ""
pdebug("===>LogORExp")
# line 977 "cs.atg"
ret += LogANDExp()
# line 977 "cs.atg"
# line 977 "cs.atg"
while (@sym == C_BarBarSym)
# line 977 "cs.atg"
ret += curString()
Get()
# line 979 "cs.atg"
# line 982 "cs.atg"
ret += LogANDExp()
# line 983 "cs.atg"
# line 1011 "cs.atg"
end
return ret
pdebug("===>LogORExp1:#{ret}")
end
def LogANDExp()
ret = ""
pdebug("===>LogANDExp")
# line 1037 "cs.atg"
# line 1044 "cs.atg"
ret += InclORExp()
# line 1044 "cs.atg"
while (@sym == C_AndAndSym)
# line 1044 "cs.atg"
ret += curString()
Get()
# line 1046 "cs.atg"
# line 1048 "cs.atg"
ret += InclORExp()
# line 1050 "cs.atg"
end
# line 1075 "cs.atg"
pdebug("===>LogANDExp1:#{ret}")
return ret
end
def InclORExp()
ret = ""
pdebug("===>InclORExp")
# line 1099 "cs.atg"
ret += ExclORExp()
# line 1099 "cs.atg"
while (@sym == C_BarSym)
# line 1099 "cs.atg"
ret += curString()
Get()
# line 1099 "cs.atg"
ret += ExclORExp()
end
pdebug("===>InclORExp1:#{ret}")
return ret
end
# line 1101 "cs.atg"
def ExclORExp()
ret =""
pdebug("===>ExclORExp")
# line 1101 "cs.atg"
ret += ANDExp()
# line 1101 "cs.atg"
while (@sym == C_UparrowSym)
# line 1101 "cs.atg"
ret += curString()
Get()
# line 1101 "cs.atg"
ret += ANDExp()
end
return ret
end
# line 1103 "cs.atg"
def ANDExp()
ret = ""
pdebug("===>ANDExp")
# line 1103 "cs.atg"
ret = EqualExp()
# line 1103 "cs.atg"
while (@sym == C_AndSym)
# line 1103 "cs.atg"
ret += curString()
Get()
# line 1103 "cs.atg"
ret += EqualExp()
end
return ret
end
# line 1105 "cs.atg"
def EqualExp()
ret = ""
pdebug("===>EqualExp:#{@sym}")
# line 1106 "cs.atg"
# line 1114 "cs.atg"
ret += RelationExp()
# ret += curString()
# line 1114 "cs.atg"
while (@sym >= C_EqualEqualSym && @sym <= C_BangEqualSym)
# line 1116 "cs.atg"
if (@sym == C_EqualEqualSym)
# line 1114 "cs.atg"
ret += curString()
Get()
# line 1115 "cs.atg"
elsif (@sym == C_BangEqualSym)
# line 1116 "cs.atg"
ret += curString()
Get()
# line 1117 "cs.atg"
else
GenError(101)
end
# line 1120 "cs.atg"
ret += RelationExp()
# line 1122 "cs.atg"
end
pdebug("===>EqualExp1:#{ret}")
# line 1157 "cs.atg"
return ret
end
# line 1182 "cs.atg"
def RelationExp()
pdebug("===>RelationExp")
ret = ""
# line 1183 "cs.atg"
# line 1190 "cs.atg"
ret += ShiftExp()
# line 1190 "cs.atg"
while (@sym == C_LessSym ||
@sym >= C_GreaterSym && @sym <= C_GreaterEqualSym)
# line 1190 "cs.atg"
ret += curString()
pdebug("===>RelationExp3")
case (@sym)
when C_LessSym
# line 1190 "cs.atg"
Get()
# line 1190 "cs.atg"
# break;
when C_GreaterSym
# line 1190 "cs.atg"
Get()
# line 1190 "cs.atg"
#break;
when C_LessEqualSym
# line 1190 "cs.atg"
Get()
# line 1190 "cs.atg"
# break;
when C_GreaterEqualSym
# line 1190 "cs.atg"
Get()
# line 1190 "cs.atg"
#break;
else
GenError(102)
# break
end
ret += ShiftExp()
end
# line 1191 "cs.atg"
# line 1193 "cs.atg"
# line 1222 "cs.atg"
pdebug("<===>RelationExp:#{ret}")
return ret
end
# line 1248 "cs.atg"
def ShiftExp()
ret = ""
pdebug("===>ShiftExp")
ret += AddExp()
# ret += curString()
# line 1248 "cs.atg"
# line 1248 "cs.atg"
while (@sym >= C_LessLessSym && @sym <= C_GreaterGreaterSym)
# line 1248 "cs.atg"
if (@sym == C_LessLessSym)
# line 1248 "cs.atg"
ret += curString()
Get()
elsif (@sym == C_GreaterGreaterSym)
# line 1248 "cs.atg"
ret += curString()
Get()
else
GenError(103)
end
# line 1248 "cs.atg"
end
pdebug("===>ShiftExp1: #{ret}")
return ret
end
def AddExp()
ret = ""
# line 1250 "cs.atg"
# line 1251 "cs.atg"
ret += MultExp()
# ret += curString()
# line 1251 "cs.atg"
while (@sym >= C_PlusSym && @sym <= C_MinusSym)
# line 1251 "cs.atg"
ret += curString()
if (@sym == C_PlusSym)
# line 1251 "cs.atg"
Get()
# line 1251 "cs.atg"
elsif (@sym == C_MinusSym)
# line 1251 "cs.atg"
Get()
# line 1251 "cs.atg"
else
GenError(104)
end
# line 1251 "cs.atg"
ret += MultExp()
# line 1253 "cs.atg"
end
return ret
end
# line 1337 "cs.atg"
def MultExp()
p "===>MultExp:#{@sym}, #{curString}"
ret = ""
# line 1337 "cs.atg"
# line 1338 "cs.atg"
ret += CastExp()
# line 1339 "cs.atg"
# ret += curString()
p "===>MultExp2:#{@sym}, #{curString}"
# line 1342 "cs.atg"
while (@sym == C_SlashSym ||
@sym == C_StarSym ||
@sym == C_PercentSym)
# line 1342 "cs.atg"
if (@sym == C_StarSym)
# line 1342 "cs.atg"
ret += curString()
Get()
# line 1342 "cs.atg"
elsif (@sym == C_SlashSym)
# line 1342 "cs.atg"
ret += curString()
Get()
# line 1342 "cs.atg"
elsif (@sym == C_PercentSym)
# line 1342 "cs.atg"
ret += curString()
Get()
# line 1342 "cs.atg"
else
GenError(105)
end
p "===>MultExp3:#{@sym}, #{curString}"
# line 1342 "cs.atg"
ret += CastExp()
# line 1343 "cs.atg"
end
p "==>MultExp:#{ret}"
return ret
end
# line 1396 "cs.atg"
def CastExp()
# line 1396 "cs.atg"
pdebug("===>CastExp")
# line 1397 "cs.atg"
# line 1405 "cs.atg"
ret = UnaryExp()
# line 1407 "cs.atg"
p "<===CastExpCastExp:#{ret}"
return ret
end
# line 1572 "cs.atg"
def PostFixExp()
ret = ""
p "====>PostFixExp:#{@sym}"
# line 1572 "cs.atg"
# line 1573 "cs.atg"
ret += Primary()
# ret += curString()
# p "@sym:#{@sym}"
# line 1574 "cs.atg"
while (@sym == C_LbrackSym ||
@sym == C_LparenSym ||
@sym >= C_PlusPlusSym && @sym <= C_MinusGreaterSym)
# line 1646 "cs.atg"
case (@sym)
when C_LbrackSym
# line 1574 "cs.atg"
ret += curString()
Get()
# line 1574 "cs.atg"
ret += Expression()
# line 1574 "cs.atg"
ret += curString()
Expect(C_RbrackSym)
# line 1575 "cs.atg"
when C_LparenSym