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ExcelFormulaParser.rb
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ExcelFormulaParser.rb
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#!/usr/bin/env ruby
#
# ExcelFormula.g
#
# Generated using ANTLR version: 3.2.1-SNAPSHOT Dec 18, 2009 04:29:28
# Ruby runtime library version: 1.3.1
# Input grammar file: ExcelFormula.g
# Generated at: 2010-06-13 10:19:27
#
# ~~~> start load path setup
this_directory = File.expand_path( File.dirname( __FILE__ ) )
$:.unshift( this_directory ) unless $:.include?( this_directory )
antlr_load_failed = proc do
load_path = $LOAD_PATH.map { |dir| ' - ' << dir }.join( $/ )
raise LoadError, <<-END.strip!
Failed to load the ANTLR3 runtime library (version 1.3.1):
Ensure the library has been installed on your system and is available
on the load path. If rubygems is available on your system, this can
be done with the command:
gem install antlr3
Current load path:
#{ load_path }
END
end
defined?(ANTLR3) or begin
# 1: try to load the ruby antlr3 runtime library from the system path
require 'antlr3'
rescue LoadError
# 2: try to load rubygems if it isn't already loaded
defined?(Gem) or begin
require 'rubygems'
rescue LoadError
antlr_load_failed.call
end
# 3: try to activate the antlr3 gem
begin
Gem.activate( 'antlr3', '= 1.3.1' )
rescue Gem::LoadError
antlr_load_failed.call
end
require 'antlr3'
end
# <~~~ end load path setup
# - - - - - - begin action @parser::header - - - - - -
# ExcelFormula.g
RVA_DELTA = {"R" => 0, "V" => 0x20, "A" => 0x40}
RVA_DELTA_REF = {"R" => 0, "V" => 0x20, "A" => 0x40, "D" => 0x20}
RVA_DELTA_AREA = {"R" => 0, "V" => 0x20, "A" => 0x40, "D" => 0}
# - - - - - - end action @parser::header - - - - - - -
module ExcelFormula
# TokenData defines all of the token type integer values
# as constants, which will be included in all
# ANTLR-generated recognizers.
const_defined?(:TokenData) or TokenData = ANTLR3::TokenScheme.new
module TokenData
# define the token constants
define_tokens(:GE => 8, :LT => 7, :NUM_CONST => 21, :PERCENT => 16,
:REF2D => 22, :CONCAT => 10, :RP => 25, :LP => 24, :INT_CONST => 20,
:STR_CONST => 19, :POWER => 15, :SUB => 12, :FUNC_CHOOSE => 30,
:SEMICOLON => 28, :BANG => 26, :TRUE_CONST => 17, :EOF => -1,
:MUL => 13, :ALPHA => 34, :COLON => 23, :NAME => 31, :FALSE_CONST => 18,
:WS => 35, :COMMA => 29, :GT => 6, :DIGIT => 33, :EQ => 4,
:DIV => 14, :FUNC_IF => 27, :QUOTENAME => 32, :LE => 9,
:NE => 5, :ADD => 11)
# register the proper human-readable name or literal value
# for each token type
#
# this is necessary because anonymous tokens, which are
# created from literal values in the grammar, do not
# have descriptive names
register_names("EQ", "NE", "GT", "LT", "GE", "LE", "CONCAT", "ADD",
"SUB", "MUL", "DIV", "POWER", "PERCENT", "TRUE_CONST",
"FALSE_CONST", "STR_CONST", "INT_CONST", "NUM_CONST",
"REF2D", "COLON", "LP", "RP", "BANG", "FUNC_IF", "SEMICOLON",
"COMMA", "FUNC_CHOOSE", "NAME", "QUOTENAME", "DIGIT",
"ALPHA", "WS")
end
class Parser < ANTLR3::Parser
@grammar_home = ExcelFormula
RULE_METHODS = [:formula, :expr, :prec0_expr, :prec1_expr, :prec2_expr,
:prec3_expr, :prec4_expr, :prec5_expr, :primary, :expr_list,
:sheet].freeze
include TokenData
generated_using( "ExcelFormula.g", "3.2.1-SNAPSHOT Dec 18, 2009 04:29:28", "1.3.1" )
def initialize(input, options = {})
super(input, options)
# - - - - - - begin action @parser::init - - - - - -
# ExcelFormula.g
@rpn = ''
@sheet_references = []
@xcall_references = []
# - - - - - - end action @parser::init - - - - - - -
end
attr_accessor :rpn
# - - - - - - - - - - - - Rules - - - - - - - - - - - - -
# parser rule formula
#
# (in ExcelFormula.g)
# 24:1: formula : expr[\"V\"] ;
def formula
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 1)
begin
# at line 25:7: expr[\"V\"]
@state.following.push(TOKENS_FOLLOWING_expr_IN_formula_56)
expr("V")
@state.following.pop
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 1)
end
return
end
# parser rule expr
#
# (in ExcelFormula.g)
# 28:1: expr[arg_type] : prec0_expr[arg_type] ( ( EQ | NE | GT | LT | GE | LE ) prec0_expr[arg_type] )* ;
def expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 2)
begin
# at line 29:7: prec0_expr[arg_type] ( ( EQ | NE | GT | LT | GE | LE ) prec0_expr[arg_type] )*
@state.following.push(TOKENS_FOLLOWING_prec0_expr_IN_expr_75)
prec0_expr(arg_type)
@state.following.pop
# at line 30:9: ( ( EQ | NE | GT | LT | GE | LE ) prec0_expr[arg_type] )*
loop do # decision 2
alt_2 = 2
alt_2 = @dfa2.predict(@input)
case alt_2
when 1
# at line 31:13: ( EQ | NE | GT | LT | GE | LE ) prec0_expr[arg_type]
# at line 31:13: ( EQ | NE | GT | LT | GE | LE )
alt_1 = 6
case look_1 = @input.peek(1)
when EQ then alt_1 = 1
when NE then alt_1 = 2
when GT then alt_1 = 3
when LT then alt_1 = 4
when GE then alt_1 = 5
when LE then alt_1 = 6
else
nvae = NoViableAlternative("", 1, 0)
raise nvae
end
case alt_1
when 1
# at line 32:19: EQ
match(EQ, TOKENS_FOLLOWING_EQ_IN_expr_120)
# --> action
op = [PTGEQ].pack('C')
# <-- action
when 2
# at line 33:19: NE
match(NE, TOKENS_FOLLOWING_NE_IN_expr_142)
# --> action
op = [PTGNE].pack('C')
# <-- action
when 3
# at line 34:19: GT
match(GT, TOKENS_FOLLOWING_GT_IN_expr_164)
# --> action
op = [PTGGT].pack('C')
# <-- action
when 4
# at line 35:19: LT
match(LT, TOKENS_FOLLOWING_LT_IN_expr_186)
# --> action
op = [PTGLT].pack('C')
# <-- action
when 5
# at line 36:19: GE
match(GE, TOKENS_FOLLOWING_GE_IN_expr_208)
# --> action
op = [PTGGE].pack('C')
# <-- action
when 6
# at line 37:19: LE
match(LE, TOKENS_FOLLOWING_LE_IN_expr_230)
# --> action
op = [PTGLE].pack('C')
# <-- action
end
@state.following.push(TOKENS_FOLLOWING_prec0_expr_IN_expr_261)
prec0_expr(arg_type)
@state.following.pop
# --> action
@rpn += op
# <-- action
else
break # out of loop for decision 2
end
end # loop for decision 2
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 2)
end
return
end
# parser rule prec0_expr
#
# (in ExcelFormula.g)
# 44:1: prec0_expr[arg_type] : prec1_expr[arg_type] ( ( CONCAT ) prec1_expr[arg_type] )* ;
def prec0_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 3)
begin
# at line 45:7: prec1_expr[arg_type] ( ( CONCAT ) prec1_expr[arg_type] )*
@state.following.push(TOKENS_FOLLOWING_prec1_expr_IN_prec0_expr_293)
prec1_expr(arg_type)
@state.following.pop
# at line 46:9: ( ( CONCAT ) prec1_expr[arg_type] )*
loop do # decision 3
alt_3 = 2
alt_3 = @dfa3.predict(@input)
case alt_3
when 1
# at line 47:13: ( CONCAT ) prec1_expr[arg_type]
# at line 47:13: ( CONCAT )
# at line 48:17: CONCAT
match(CONCAT, TOKENS_FOLLOWING_CONCAT_IN_prec0_expr_336)
# --> action
op = [PTGCONCAT].pack('C')
# <-- action
@state.following.push(TOKENS_FOLLOWING_prec1_expr_IN_prec0_expr_366)
prec1_expr(arg_type)
@state.following.pop
# --> action
@rpn += op
# <-- action
else
break # out of loop for decision 3
end
end # loop for decision 3
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 3)
end
return
end
# parser rule prec1_expr
#
# (in ExcelFormula.g)
# 54:1: prec1_expr[arg_type] : prec2_expr[arg_type] ( ( ADD | SUB ) prec2_expr[arg_type] )* ;
def prec1_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 4)
begin
# at line 55:7: prec2_expr[arg_type] ( ( ADD | SUB ) prec2_expr[arg_type] )*
@state.following.push(TOKENS_FOLLOWING_prec2_expr_IN_prec1_expr_398)
prec2_expr(arg_type)
@state.following.pop
# at line 56:9: ( ( ADD | SUB ) prec2_expr[arg_type] )*
loop do # decision 5
alt_5 = 2
alt_5 = @dfa5.predict(@input)
case alt_5
when 1
# at line 57:13: ( ADD | SUB ) prec2_expr[arg_type]
# at line 57:13: ( ADD | SUB )
alt_4 = 2
look_4_0 = @input.peek(1)
if (look_4_0 == ADD)
alt_4 = 1
elsif (look_4_0 == SUB)
alt_4 = 2
else
nvae = NoViableAlternative("", 4, 0)
raise nvae
end
case alt_4
when 1
# at line 58:19: ADD
match(ADD, TOKENS_FOLLOWING_ADD_IN_prec1_expr_443)
# --> action
op = [PTGADD].pack('C')
# <-- action
when 2
# at line 59:19: SUB
match(SUB, TOKENS_FOLLOWING_SUB_IN_prec1_expr_465)
# --> action
op = [PTGSUB].pack('C')
# <-- action
end
@state.following.push(TOKENS_FOLLOWING_prec2_expr_IN_prec1_expr_495)
prec2_expr(arg_type)
@state.following.pop
# --> action
@rpn += op
# <-- action
else
break # out of loop for decision 5
end
end # loop for decision 5
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 4)
end
return
end
# parser rule prec2_expr
#
# (in ExcelFormula.g)
# 66:1: prec2_expr[arg_type] : prec3_expr[arg_type] ( ( MUL | DIV ) prec3_expr[arg_type] )* ;
def prec2_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 5)
begin
# at line 67:7: prec3_expr[arg_type] ( ( MUL | DIV ) prec3_expr[arg_type] )*
@state.following.push(TOKENS_FOLLOWING_prec3_expr_IN_prec2_expr_528)
prec3_expr(arg_type)
@state.following.pop
# at line 68:9: ( ( MUL | DIV ) prec3_expr[arg_type] )*
loop do # decision 7
alt_7 = 2
alt_7 = @dfa7.predict(@input)
case alt_7
when 1
# at line 69:13: ( MUL | DIV ) prec3_expr[arg_type]
# at line 69:13: ( MUL | DIV )
alt_6 = 2
look_6_0 = @input.peek(1)
if (look_6_0 == MUL)
alt_6 = 1
elsif (look_6_0 == DIV)
alt_6 = 2
else
nvae = NoViableAlternative("", 6, 0)
raise nvae
end
case alt_6
when 1
# at line 70:19: MUL
match(MUL, TOKENS_FOLLOWING_MUL_IN_prec2_expr_573)
# --> action
op = [PTGMUL].pack('C')
# <-- action
when 2
# at line 71:19: DIV
match(DIV, TOKENS_FOLLOWING_DIV_IN_prec2_expr_595)
# --> action
op = [PTGDIV].pack('C')
# <-- action
end
@state.following.push(TOKENS_FOLLOWING_prec3_expr_IN_prec2_expr_625)
prec3_expr(arg_type)
@state.following.pop
# --> action
@rpn += op
# <-- action
else
break # out of loop for decision 7
end
end # loop for decision 7
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 5)
end
return
end
# parser rule prec3_expr
#
# (in ExcelFormula.g)
# 77:1: prec3_expr[arg_type] : prec4_expr[arg_type] ( ( POWER ) prec4_expr[arg_type] )* ;
def prec3_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 6)
begin
# at line 78:7: prec4_expr[arg_type] ( ( POWER ) prec4_expr[arg_type] )*
@state.following.push(TOKENS_FOLLOWING_prec4_expr_IN_prec3_expr_657)
prec4_expr(arg_type)
@state.following.pop
# at line 79:9: ( ( POWER ) prec4_expr[arg_type] )*
loop do # decision 8
alt_8 = 2
alt_8 = @dfa8.predict(@input)
case alt_8
when 1
# at line 80:13: ( POWER ) prec4_expr[arg_type]
# at line 80:13: ( POWER )
# at line 81:17: POWER
match(POWER, TOKENS_FOLLOWING_POWER_IN_prec3_expr_700)
# --> action
op = [PTGPOWER].pack('C')
# <-- action
@state.following.push(TOKENS_FOLLOWING_prec4_expr_IN_prec3_expr_730)
prec4_expr(arg_type)
@state.following.pop
# --> action
@rpn += op
# <-- action
else
break # out of loop for decision 8
end
end # loop for decision 8
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 6)
end
return
end
# parser rule prec4_expr
#
# (in ExcelFormula.g)
# 87:1: prec4_expr[arg_type] : prec5_expr[arg_type] ( PERCENT )? ;
def prec4_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 7)
begin
# at line 88:7: prec5_expr[arg_type] ( PERCENT )?
@state.following.push(TOKENS_FOLLOWING_prec5_expr_IN_prec4_expr_762)
prec5_expr(arg_type)
@state.following.pop
# at line 89:9: ( PERCENT )?
alt_9 = 2
alt_9 = @dfa9.predict(@input)
case alt_9
when 1
# at line 90:13: PERCENT
match(PERCENT, TOKENS_FOLLOWING_PERCENT_IN_prec4_expr_787)
# --> action
@rpn += [PTGPERCENT].pack('C')
# <-- action
end
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 7)
end
return
end
# parser rule prec5_expr
#
# (in ExcelFormula.g)
# 94:1: prec5_expr[arg_type] : ( primary[arg_type] | SUB primary[arg_type] );
def prec5_expr(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 8)
begin
# at line 95:5: ( primary[arg_type] | SUB primary[arg_type] )
alt_10 = 2
alt_10 = @dfa10.predict(@input)
case alt_10
when 1
# at line 95:7: primary[arg_type]
@state.following.push(TOKENS_FOLLOWING_primary_IN_prec5_expr_818)
primary(arg_type)
@state.following.pop
when 2
# at line 96:7: SUB primary[arg_type]
match(SUB, TOKENS_FOLLOWING_SUB_IN_prec5_expr_827)
@state.following.push(TOKENS_FOLLOWING_primary_IN_prec5_expr_829)
primary(arg_type)
@state.following.pop
# --> action
@rpn += [PTGUMINUS].pack('C')
# <-- action
end
rescue ANTLR3::Error::RecognitionError => re
report_error(re)
recover(re)
ensure
# -> uncomment the next line to manually enable rule tracing
# trace_out(__method__, 8)
end
return
end
# parser rule primary
#
# (in ExcelFormula.g)
# 99:1: primary[arg_type] : ( TRUE_CONST | FALSE_CONST | str_tok= STR_CONST | int_tok= INT_CONST | num_tok= NUM_CONST | ref2d_tok= REF2D | ref2d1_tok= REF2D COLON ref2d2_tok= REF2D | LP expr[arg_type] RP | sheet1= sheet ( COLON sheet2= sheet )? BANG ref3d_ref2d= REF2D ( COLON ref3d_ref2d2= REF2D )? | FUNC_IF LP expr[\"V\"] ( SEMICOLON | COMMA ) expr[arg_type] ( SEMICOLON | COMMA ) expr[arg_type] RP | FUNC_CHOOSE LP expr[\"V\"] ( ( SEMICOLON | COMMA ) ( expr[arg_type] | ) )* RP | name_tok= NAME | func_tok= NAME LP arg_count= expr_list[arg_type_list, min_argc, max_argc] RP );
def primary(arg_type)
# -> uncomment the next line to manually enable rule tracing
# trace_in(__method__, 9)
str_tok = nil
int_tok = nil
num_tok = nil
ref2d_tok = nil
ref2d1_tok = nil
ref2d2_tok = nil
ref3d_ref2d = nil
ref3d_ref2d2 = nil
name_tok = nil
func_tok = nil
sheet1 = nil
sheet2 = nil
arg_count = nil
begin
# at line 100:5: ( TRUE_CONST | FALSE_CONST | str_tok= STR_CONST | int_tok= INT_CONST | num_tok= NUM_CONST | ref2d_tok= REF2D | ref2d1_tok= REF2D COLON ref2d2_tok= REF2D | LP expr[arg_type] RP | sheet1= sheet ( COLON sheet2= sheet )? BANG ref3d_ref2d= REF2D ( COLON ref3d_ref2d2= REF2D )? | FUNC_IF LP expr[\"V\"] ( SEMICOLON | COMMA ) expr[arg_type] ( SEMICOLON | COMMA ) expr[arg_type] RP | FUNC_CHOOSE LP expr[\"V\"] ( ( SEMICOLON | COMMA ) ( expr[arg_type] | ) )* RP | name_tok= NAME | func_tok= NAME LP arg_count= expr_list[arg_type_list, min_argc, max_argc] RP )
alt_15 = 13
alt_15 = @dfa15.predict(@input)
case alt_15
when 1
# at line 100:7: TRUE_CONST
match(TRUE_CONST, TOKENS_FOLLOWING_TRUE_CONST_IN_primary_850)
# --> action
@rpn += [PTGBOOL, 1].pack("C2")
# <-- action
when 2
# at line 104:7: FALSE_CONST
match(FALSE_CONST, TOKENS_FOLLOWING_FALSE_CONST_IN_primary_868)
# --> action
@rpn += [PTGBOOL, 0].pack("C2")
# <-- action
when 3
# at line 108:7: str_tok= STR_CONST
str_tok = match(STR_CONST, TOKENS_FOLLOWING_STR_CONST_IN_primary_890)
# --> action
s = str_tok.text.gsub("\"", "")
@rpn += [PTGSTR].pack("C") + [s.length].pack('v') + s
# <-- action
when 4
# at line 113:7: int_tok= INT_CONST
int_tok = match(INT_CONST, TOKENS_FOLLOWING_INT_CONST_IN_primary_912)
# --> action
int_value = int_tok.text.to_i
if int_value <= 65535
@rpn += [PTGINT, int_value].pack("Cv")
else
@rpn += [PTGNUM, int_value.to_f].pack("CE")
end
# <-- action
when 5
# at line 122:7: num_tok= NUM_CONST
num_tok = match(NUM_CONST, TOKENS_FOLLOWING_NUM_CONST_IN_primary_930)
# --> action
@rpn += [PTGNUM, num_tok.text.to_f].pack("CE")
# <-- action
when 6
# at line 126:7: ref2d_tok= REF2D
ref2d_tok = match(REF2D, TOKENS_FOLLOWING_REF2D_IN_primary_952)
# --> action
r, c = Utilities.cell_to_packed_rowcol(ref2d_tok.text)
ptg = PTGREFR + RVA_DELTA_REF[arg_type]
@rpn += [ptg, r, c].pack("Cv2")
# <-- action
when 7
# at line 132:7: ref2d1_tok= REF2D COLON ref2d2_tok= REF2D
ref2d1_tok = match(REF2D, TOKENS_FOLLOWING_REF2D_IN_primary_974)
match(COLON, TOKENS_FOLLOWING_COLON_IN_primary_976)
ref2d2_tok = match(REF2D, TOKENS_FOLLOWING_REF2D_IN_primary_982)
# --> action
r1, c1 = Utilities.cell_to_packed_rowcol(ref2d1_tok.text)
r2, c2 = Utilities.cell_to_packed_rowcol(ref2d2_tok.text)
ptg = PTGAREAR + RVA_DELTA_AREA[arg_type]
@rpn += [ptg, r1, r2, c1, c2].pack("Cv4")
# <-- action
when 8
# at line 139:7: LP expr[arg_type] RP
match(LP, TOKENS_FOLLOWING_LP_IN_primary_1000)
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1002)
expr(arg_type)
@state.following.pop
match(RP, TOKENS_FOLLOWING_RP_IN_primary_1005)
# --> action
@rpn += [PTGPAREN].pack('C')
# <-- action
when 9
# at line 143:7: sheet1= sheet ( COLON sheet2= sheet )? BANG ref3d_ref2d= REF2D ( COLON ref3d_ref2d2= REF2D )?
@state.following.push(TOKENS_FOLLOWING_sheet_IN_primary_1028)
sheet1 = sheet
@state.following.pop
# --> action
sheet2 = sheet1
# <-- action
# at line 147:9: ( COLON sheet2= sheet )?
alt_11 = 2
look_11_0 = @input.peek(1)
if (look_11_0 == COLON)
alt_11 = 1
end
case alt_11
when 1
# at line 147:11: COLON sheet2= sheet
match(COLON, TOKENS_FOLLOWING_COLON_IN_primary_1050)
@state.following.push(TOKENS_FOLLOWING_sheet_IN_primary_1056)
sheet2 = sheet
@state.following.pop
end
match(BANG, TOKENS_FOLLOWING_BANG_IN_primary_1061)
ref3d_ref2d = match(REF2D, TOKENS_FOLLOWING_REF2D_IN_primary_1065)
# --> action
ptg = PTGREF3DR + RVA_DELTA_REF[arg_type]
r1, c1 = Utilities.cell_to_packed_rowcol(ref3d_ref2d.text)
rpn_ref2d = [0x0000, r1, c1].pack("v3")
# <-- action
# at line 153:9: ( COLON ref3d_ref2d2= REF2D )?
alt_12 = 2
alt_12 = @dfa12.predict(@input)
case alt_12
when 1
# at line 153:11: COLON ref3d_ref2d2= REF2D
match(COLON, TOKENS_FOLLOWING_COLON_IN_primary_1087)
ref3d_ref2d2 = match(REF2D, TOKENS_FOLLOWING_REF2D_IN_primary_1092)
# --> action
ptg = PTGAREA3DR + RVA_DELTA_AREA[arg_type]
r2, c2 = Utilities.cell_to_packed_rowcol(ref3d_ref2d2.text)
rpn_ref2d = [0x0000, r1, r2, c1, c2].pack("v5")
# <-- action
end
# --> action
@rpn += [ptg].pack("C")
@sheet_references << [sheet1, sheet2, @rpn.size]
@rpn += rpn_ref2d
# <-- action
when 10
# at line 165:7: FUNC_IF LP expr[\"V\"] ( SEMICOLON | COMMA ) expr[arg_type] ( SEMICOLON | COMMA ) expr[arg_type] RP
match(FUNC_IF, TOKENS_FOLLOWING_FUNC_IF_IN_primary_1135)
match(LP, TOKENS_FOLLOWING_LP_IN_primary_1145)
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1147)
expr("V")
@state.following.pop
if @input.peek(1).between?(SEMICOLON, COMMA)
@input.consume
@state.error_recovery = false
else
mse = MismatchedSet(nil)
raise mse
end
# --> action
@rpn += [PTGATTR, 0x02, 0].pack("C2v") # tAttrIf
pos0 = @rpn.size - 2
# <-- action
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1176)
expr(arg_type)
@state.following.pop
if @input.peek(1).between?(SEMICOLON, COMMA)
@input.consume
@state.error_recovery = false
else
mse = MismatchedSet(nil)
raise mse
end
# --> action
@rpn += [PTGATTR, 0x08, 0].pack("C2v") # tAttrSkip
pos1 = @rpn.size - 2
@rpn = @rpn[0...pos0] + [pos1-pos0].pack("v") + @rpn[(pos0+2)...(@rpn.size)]
# <-- action
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1205)
expr(arg_type)
@state.following.pop
match(RP, TOKENS_FOLLOWING_RP_IN_primary_1208)
# --> action
@rpn += [PTGATTR, 0x08, 3].pack("C2v") # tAttrSkip
@rpn += [PTGFUNCVARR, 3, 1].pack("C2v") # 3 = nargs, 1 = IF func
pos2 = @rpn.size
@rpn = @rpn[0...pos1] + [pos2-(pos1+2)-1].pack("v") + @rpn[(pos1+2)...(@rpn.size)]
# <-- action
when 11
# at line 186:7: FUNC_CHOOSE LP expr[\"V\"] ( ( SEMICOLON | COMMA ) ( expr[arg_type] | ) )* RP
match(FUNC_CHOOSE, TOKENS_FOLLOWING_FUNC_CHOOSE_IN_primary_1226)
# --> action
arg_type = "R"
rpn_chunks = []
# <-- action
match(LP, TOKENS_FOLLOWING_LP_IN_primary_1246)
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1248)
expr("V")
@state.following.pop
# --> action
rpn_start = @rpn.size
ref_markers = [@sheet_references.size]
# <-- action
# at line 196:9: ( ( SEMICOLON | COMMA ) ( expr[arg_type] | ) )*
loop do # decision 14
alt_14 = 2
look_14_0 = @input.peek(1)
if (look_14_0.between?(SEMICOLON, COMMA))
alt_14 = 1
end
case alt_14
when 1
# at line 197:13: ( SEMICOLON | COMMA ) ( expr[arg_type] | )
if @input.peek(1).between?(SEMICOLON, COMMA)
@input.consume
@state.error_recovery = false
else
mse = MismatchedSet(nil)
raise mse
end
# --> action
mark = @rpn.size
# <-- action
# at line 199:17: ( expr[arg_type] | )
alt_13 = 2
alt_13 = @dfa13.predict(@input)
case alt_13
when 1
# at line 200:19: expr[arg_type]
@state.following.push(TOKENS_FOLLOWING_expr_IN_primary_1345)
expr(arg_type)
@state.following.pop
when 2
# at line 201:19:
# --> action
@rpn += [PTGMISSARG].pack("C")
# <-- action
end
# --> action
rem = @rpn.size - mark
rpn_chunks << @rpn[mark, rem]
ref_markers << @sheet_references.size
# <-- action
else
break # out of loop for decision 14
end
end # loop for decision 14
match(RP, TOKENS_FOLLOWING_RP_IN_primary_1423)
# --> action
@rpn = @rpn[0...rpn_start]
nc = rpn_chunks.length
chunklens = rpn_chunks.collect {|c| c.length}
skiplens = [0] * nc
skiplens[nc-1] = 3
(nc-1).downto(1) do |i|
skiplens[i-1] = skiplens[i] + chunklens[i] + 4
end
jump_pos = [2*nc + 2]
(0...nc).each do |i|
jump_pos << (jump_pos.last + chunklens[i] + 4)
end
chunk_shift = 2*nc + 6 # size of tAttrChoose
(0...nc).each do |i|
(ref_markers[i]...ref_markers[i+1]).each do |r|
ref = @sheet_references[r]
@sheet_references[r] = [ref[0], ref[1], ref[2] + chunk_shift]
end
chunk_shift += 4 # size of tAttrSkip
end
choose_rpn = []
choose_rpn << [PTGATTR, 0x04, nc].pack("CCv") # 0x04 is tAttrChoose
choose_rpn << jump_pos.pack("v*")
(0...nc).each do |i|
choose_rpn << rpn_chunks[i]
choose_rpn << [PTGATTR, 0x08, skiplens[i]].pack("CCv") # 0x08 is tAttrSkip
end
choose_rpn << [PTGFUNCVARV, nc+1, 100].pack("CCv") # 100 is CHOOSE fn
@rpn += choose_rpn.join
# <-- action
when 12
# at line 246:7: name_tok= NAME
name_tok = match(NAME, TOKENS_FOLLOWING_NAME_IN_primary_1445)
# --> action
raise "[formula] found unexpected NAME token #{name_tok.text}"
# <-- action
when 13
# at line 250:7: func_tok= NAME LP arg_count= expr_list[arg_type_list, min_argc, max_argc] RP
func_tok = match(NAME, TOKENS_FOLLOWING_NAME_IN_primary_1467)
# --> action
func_toku = func_tok.text.upcase
if STD_FUNC_BY_NAME.has_key?(func_toku)
opcode, min_argc, max_argc, func_type, arg_type_str = STD_FUNC_BY_NAME[func_toku]
arg_type_list = arg_type_str.split
else
raise "[formula] unknown function #{func_tok.text}"
end
xcall = (opcode < 0)
if xcall
@xcall_references << [func_toku, @rpn.size + 1]
@rpn += [PTGNAMEXR, 0xadde, 0xefbe, 0x0000].pack("Cvvv")
end
# <-- action
match(LP, TOKENS_FOLLOWING_LP_IN_primary_1487)
@state.following.push(TOKENS_FOLLOWING_expr_list_IN_primary_1493)
arg_count = expr_list(arg_type_list, min_argc, max_argc)
@state.following.pop
match(RP, TOKENS_FOLLOWING_RP_IN_primary_1496)
# --> action
if (arg_count > max_argc) || (arg_count < min_argc)
raise "incorrect number #{arg_count} of parameters for function: #{func_tok.text}"
end
if xcall
func_ptg = PTGFUNCVARR + RVA_DELTA[func_type]
@rpn += [func_ptg, arg_count + 1, 255].pack("CCv") # 255 is magic XCALL function
elsif (min_argc == max_argc)
func_ptg = PTGFUNCR + RVA_DELTA[func_type]
@rpn += [func_ptg, opcode].pack("Cv")
elsif (arg_count == 1) && (func_tok.text.upcase === "SUM")
@rpn += [PTGATTR, 0x10, 0].pack("CCv") # tAttrSum
else
func_ptg = PTGFUNCVARR + RVA_DELTA[func_type]
@rpn += [func_ptg, arg_count, opcode].pack("CCv")
end