Ignore space

This commit is contained in:
Roguelearg 2017-09-12 17:25:16 +02:00
parent b89add6adf
commit 9fac1514c9
3 changed files with 62 additions and 59 deletions

View file

@ -2,7 +2,9 @@ module Mm2ep
module Depend
class Lexer < Rly::Lex
token :SPACE, /\s+/
ignore "\t\n "
# token :SPACE, /\s+/
token :L_PAR, /\(/
token :R_PAR, /\)/
token :NUMBER, /[0-9]+(\.[0-9]+)?/

View file

@ -1,70 +1,70 @@
module Mm2ep
module Depend
class TreeExpr
def compute
raise NotImplementedError
end
end
class TreeExpr
def compute
raise NotImplementedError
end
end
class TreeValue
def value
def value
raise "No value for #{@name}" if @value.nil?
@value
end
@value
end
def to_s
def to_s
raise NotImplementedError
end
end
end
end
class VarValue < TreeValue
def initialize str
def initialize str
@name = str
@value = nil
end
@value = nil
end
def to_s
def to_s
"var:#{@name}<-(#{@value})"
end
end
end
class NumberValue < TreeValue
def initialize str
def initialize str
@value = str.to_i
end
end
def to_s
def to_s
"number:#{@value}"
end
end
end
class StringValue < TreeValue
def initialize str
def initialize str
@value = str
end
end
def to_s
def to_s
"string:\"#{@value}\""
end
end
end
class BoolValue < TreeValue
def initialize str
@value = case str
when /true/i then true
when /false/i then false
end
def initialize str
@value = case str
when /true/i then true
when /false/i then false
end
end
end
def to_s
def to_s
"bool:#{@value}"
end
end
end
class AndOp < TreeExpr
def initialize expr1, expr2
@expr1 = expr1
@expr1 = expr1
@expr2 = expr2
end
@ -73,14 +73,14 @@ module Mm2ep
return @expr1.compute && @expr2.compute
end
def to_s
def to_s
"( #{@expr1.to_s}) AND (#{@expr2.to_s} )"
end
end
end
class OrOp
def initialize expr1, expr2
@expr1 = expr1
@expr1 = expr1
@expr2 = expr2
end
@ -88,9 +88,9 @@ module Mm2ep
return @expr1.compute || @expr2.compute
end
def to_s
def to_s
"( #{@expr1.to_s}) OR (#{@expr2.to_s} )"
end
end
end
class NotOp
@ -99,17 +99,17 @@ module Mm2ep
end
def compute
return ! @expr.compute
return ! @expr.compute
end
def to_s
def to_s
"NOT ( #{@expr.to_s} )"
end
end
end
class EqOp
def initialize lval, rval
@lval = lval
@lval = lval
@rval = rval
end
@ -117,16 +117,16 @@ module Mm2ep
return if @lval.value == @rval.value
end
def to_s
def to_s
"#{@lval.to_s} = #{@rval.to_s}"
end
end
end
class Parser < Rly::Yacc
precedence :left, 'OR_OP'
precedence :left, 'AND_OP'
precedence :left, 'EQ_OP'
precedence :left, 'EQ_OP'
precedence :right, :UMINUS
rule 'statement : expr' do |st, e|
@ -135,7 +135,7 @@ module Mm2ep
rule 'expr : VAR' do |ex, l|
ex.value = EqOp.new(
VarExpr.new(l.value),
VarExpr.new(l.value),
BoolValue.new('true')
)
end
@ -148,45 +148,45 @@ module Mm2ep
ex.value = BoolValue.new(l.value.to_s)
end
rule 'expr : NOT_OP SPACE expr %prec UMINUS' do |ex, l, s, e|
rule 'expr : NOT_OP expr %prec UMINUS' do |ex, l, e|
ex.value = NotOp.new(e.value)
end
rule 'expr : expr SPACE AND_OP SPACE expr' do |ex, l, s, e, sp, r|
rule 'expr : expr AND_OP expr' do |ex, l, e, r|
ex.value = AndOp.new(l.value, r.value)
end
rule 'expr : expr SPACE OR_OP SPACE expr' do |ex, l, s, e, sp, r|
rule 'expr : expr OR_OP expr' do |ex, l, e, r|
ex.value = OrOp.new(l.value, r.value)
end
rule 'expr : L_PAR SPACE expr SPACE R_PAR' do |ex, l, s, e, sp, r|
rule 'expr : L_PAR expr R_PAR' do |ex, l, e, r|
ex.value = e.value
end
rule 'expr : VAR SPACE EQ_OP SPACE F_BOOL' do |ex, v, s, eq, _, n|
rule 'expr : VAR EQ_OP F_BOOL' do |ex, v, eq, n|
ex.value = EqOp.new(
VarValue.new(v.value.to_s),
VarValue.new(v.value.to_s),
BoolValue.new(n.value)
)
end
rule 'expr : VAR SPACE EQ_OP SPACE T_BOOL' do |ex, v, s, eq, _, n|
rule 'expr : VAR EQ_OP T_BOOL' do |ex, v, eq, n|
ex.value = EqOp.new(
VarValue.new(v.value.to_s),
VarValue.new(v.value.to_s),
BoolValue.new(n.value)
)
end
rule 'expr : VAR SPACE EQ_OP SPACE STRING' do |ex, v, s, eq, _, n|
rule 'expr : VAR EQ_OP STRING' do |ex, v, eq, n|
ex.value = EqOp.new(
VarValue.new(v.value.to_s),
VarValue.new(v.value.to_s),
StringValue.new(n.value)
)
end
rule 'expr : VAR SPACE EQ_OP SPACE NUMBER' do |ex, v, s, eq, _, n|
rule 'expr : VAR EQ_OP NUMBER' do |ex, v, eq, n|
ex.value = EqOp.new(
VarValue.new(v.value.to_s),
VarValue.new(v.value.to_s),
NumberValue.new(n.value)
)
end

1
spec/files/test5.txt Normal file
View file

@ -0,0 +1 @@
truc bidule