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add the ! syntax to create variables in builder, fix #8

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now a variable has to be created before being used
thus it is save to develop contracts where a certain name
must exist in the scope
Maybe the syntax starts getting a bit weird, but at least the ! is a common symbol in ruby
This commit is contained in:
Torsten Ruger
2018-08-14 19:39:46 +03:00
parent 0bf008b351
commit 37461a1727
9 changed files with 68 additions and 60 deletions
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14
lib/risc/builtin/integer.rb
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@ -14,9 +14,9 @@ module Risc
def div4(context)
compiler = compiler_for(:Integer,:div4 ,{})
compiler.compiler_builder(compiler.source).build do
integer << message[:receiver]
integer! << message[:receiver]
integer.reduce_int
integer_reg << 2
integer_reg! << 2
integer.op :>> , integer_reg
add_new_int("div4", integer , integer_reg)
message[:return_value] << integer_reg
@ -52,8 +52,8 @@ module Risc
compiler = compiler_for(:Integer, operator ,{other: :Integer})
builder = compiler.compiler_builder(compiler.source)
builder.build do
integer << message[:receiver]
integer_reg << message[:arguments]
integer! << message[:receiver]
integer_reg! << message[:arguments]
integer_reg << integer_reg[ 1]
integer.reduce_int
integer_reg.reduce_int
@ -61,7 +61,7 @@ module Risc
integer.op :- , integer_reg
if_minus false_label
if_zero( false_label ) if operator.to_s.length == 1
object << Parfait.object_space.true_object
object! << Parfait.object_space.true_object
branch merge_label
add_code false_label
object << Parfait.object_space.false_object
@ -89,8 +89,8 @@ module Risc
compiler = compiler_for(:Integer, op_sym ,{other: :Integer})
builder = compiler.compiler_builder(compiler.source)
builder.build do
integer << message[:receiver]
integer_reg << message[:arguments]
integer! << message[:receiver]
integer_reg! << message[:arguments]
integer_reg << integer_reg[ 1]
integer.reduce_int
integer_reg.reduce_int