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move the if logic around (execute false first) and fix the parameters passing

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This commit is contained in:
Torsten Ruger 2014-05-25 11:35:45 +03:00
parent 5a5b016a7e
commit 5afa6f4239
7 changed files with 21 additions and 19 deletions
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1
lib/ast/call_site_expression.rb
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@ -16,6 +16,7 @@ module Ast
call.load_args into
call.do_call into
current_function.restore_locals(context , into) if current_function
puts "compile call #{function.return_type}"
function.return_type
end

24
lib/ast/if_expression.rb
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@ -12,25 +12,27 @@ module Ast
[:cond, :if_true, :if_false]
end
def compile context , into
false_block = into.new_block "#{into.name}_else"
merge_block = false_block.new_block "#{into.name}_if_merge"
# to execute the logic as the if states it, the blocks are the other way around
# so we can the jump over the else if true ,and the else joins unconditionally after the true_block
false_block = into.new_block "#{into.name}_if_false"
true_block = false_block.new_block "#{into.name}_if_true"
merge_block = true_block.new_block "#{into.name}_if_merge"
cond_val = cond.compile(context , into)
puts "compiled if condition #{cond_val.inspect}"
into.b false_block , condition_code: cond_val.not_operator
last = nil
if_true.each do |part|
last = part.compile(context , into )
puts "compiled in if true #{last.inspect}"
end
into.b merge_block
into.b true_block , condition_code: cond_val.operator
if_false.each do |part|
last = part.compile(context , false_block )
puts "compiled in if false #{last.inspect}"
end
false_block.b merge_block
last = nil
if_true.each do |part|
last = part.compile(context , true_block )
puts "compiled in if true #{last.inspect}"
end
puts "compile if end"
into.insert_at merge_block

2
lib/ast/operator_expressions.rb
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@ -23,7 +23,7 @@ module Ast
raise "Can only assign variables, not #{left}" unless left.is_a?(NameExpression)
l_val = context.locals[left.name]
if( l_val ) #variable existed, move data there
l_val = l_val.move( into , r_val) if r_val.is_a?(Vm::Value) and l_val.register != r_val.register
l_val = l_val.move( into , r_val)
else
l_val = context.function.new_local.move( into , r_val )
end

2
lib/vm/call_site.rb
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@ -16,7 +16,7 @@ module Vm
if arg.is_a?(IntegerConstant) or arg.is_a?(StringConstant)
function.args[index].load into , arg
else
function.args[index].move( into, arg ) if arg.register != args[index].register
function.args[index].move( into, arg ) if arg.register != function.args[index].register
end
end
end

5
test/fragments/test_functions.rb
View File

@ -21,11 +21,10 @@ class TestFunctions < MiniTest::Test
end
end
putint(times(4,1))
putint(times(7,6))
HERE
@should = [0x0,0xb0,0xa0,0xe3,0x28,0x0,0x8f,0xe2,0x28,0x10,0xa0,0xe3,0x1,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x40,0x2d,0xe9,0x1,0x20,0xa0,0xe1,0x0,0x10,0xa0,0xe1,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x80,0xbd,0xe8,0x48,0x65,0x6c,0x6c,0x6f,0x20,0x52,0x61,0x69,0x73,0x61,0x2c,0x20,0x49,0x20,0x61,0x6d,0x20,0x63,0x72,0x79,0x73,0x74,0x6b,0x73,0x64,0x66,0x6b,0x6c,0x6a,0x73,0x6e,0x63,0x6a,0x6e,0x63,0x6e,0x0,0x0,0x0]
@should = [0x0,0xb0,0xa0,0xe3,0x7,0x10,0xa0,0xe3,0x6,0x20,0xa0,0xe3,0xc,0x0,0x0,0xeb,0x7,0x10,0xa0,0xe1,0x32,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0x2,0x30,0x41,0xe0,0x3,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x2,0x30,0x81,0xe0,0x3,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x0,0x0,0x52,0xe3,0x10,0x0,0x0,0xa,0x6,0x0,0x2d,0xe9,0x2,0x10,0xa0,0xe1,0x1,0x20,0xa0,0xe3,0xf0,0xff,0xff,0xeb,0x6,0x0,0xbd,0xe8,0x7,0x30,0xa0,0xe1,0xe,0x0,0x2d,0xe9,0x3,0x20,0xa0,0xe1,0xf3,0xff,0xff,0xeb,0xe,0x0,0xbd,0xe8,0x7,0x40,0xa0,0xe1,0x1e,0x0,0x2d,0xe9,0x4,0x20,0xa0,0xe1,0xea,0xff,0xff,0xeb,0x1e,0x0,0xbd,0xe8,0x7,0x10,0xa0,0xe1,0x0,0x0,0x0,0xea,0x0,0x10,0xa0,0xe3,0x1,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0xa,0x30,0x42,0xe2,0x22,0x21,0x42,0xe0,0x22,0x22,0x82,0xe0,0x22,0x24,0x82,0xe0,0x22,0x28,0x82,0xe0,0xa2,0x21,0xa0,0xe1,0x2,0x41,0x82,0xe0,0x84,0x30,0x53,0xe0,0x1,0x20,0x82,0x52,0xa,0x30,0x83,0x42,0x30,0x30,0x83,0xe2,0x0,0x30,0xc1,0xe5,0x1,0x10,0x41,0xe2,0x0,0x0,0x52,0xe3,0xef,0xff,0xff,0x1b,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x20,0xa0,0xe1,0x20,0x10,0x8f,0xe2,0x9,0x10,0x81,0xe2,0xe9,0xff,0xff,0xeb,0x14,0x10,0x8f,0xe2,0xc,0x20,0xa0,0xe3,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x0]
parse
write "functions"
end
end

2
test/fragments/test_if.rb
View File

@ -14,7 +14,7 @@ class TestIf < MiniTest::Test
end
itest(20)
HERE
@should = [0x0,0xb0,0xa0,0xe3,0x14,0x10,0xa0,0xe3,0x2,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0xc,0x0,0x51,0xe3,0x5,0x0,0x0,0xaa,0x2,0x0,0x2d,0xe9,0x3c,0x10,0x8f,0xe2,0x8,0x20,0xa0,0xe3,0x7,0x0,0x0,0xeb,0x2,0x0,0xbd,0xe8,0x4,0x0,0x0,0xea,0x2,0x0,0x2d,0xe9,0x2c,0x10,0x8f,0xe2,0x8,0x20,0xa0,0xe3,0x1,0x0,0x0,0xeb,0x2,0x0,0xbd,0xe8,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x74,0x68,0x65,0x6e,0x0,0x0,0x0,0x0,0x65,0x6c,0x73,0x65,0x0,0x0,0x0,0x0]
@should = [0x0,0xb0,0xa0,0xe3,0x14,0x10,0xa0,0xe3,0x2,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0xc,0x0,0x51,0xe3,0x5,0x0,0x0,0xba,0x2,0x0,0x2d,0xe9,0x3c,0x10,0x8f,0xe2,0x8,0x20,0xa0,0xe3,0x7,0x0,0x0,0xeb,0x2,0x0,0xbd,0xe8,0x4,0x0,0x0,0xea,0x2,0x0,0x2d,0xe9,0x2c,0x10,0x8f,0xe2,0x8,0x20,0xa0,0xe3,0x1,0x0,0x0,0xeb,0x2,0x0,0xbd,0xe8,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x65,0x6c,0x73,0x65,0x0,0x0,0x0,0x0,0x74,0x68,0x65,0x6e,0x0,0x0,0x0,0x0]
parse
write "if"
end

2
test/fragments/test_while.rb
View File

@ -19,7 +19,7 @@ class TestWhile < MiniTest::Test
fibonaccit( 10 )
HERE
@should = [0x0,0xb0,0xa0,0xe3,0xa,0x10,0xa0,0xe3,0x2,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0x0,0x20,0xa0,0xe3,0x1,0x30,0xa0,0xe3,0x1,0x0,0x51,0xe3,0x6,0x0,0x0,0xda,0x2,0x40,0xa0,0xe1,0x3,0x20,0xa0,0xe1,0x3,0x50,0x84,0xe0,0x5,0x30,0xa0,0xe1,0x1,0x60,0x41,0xe2,0x6,0x10,0xa0,0xe1,0xf6,0xff,0xff,0xea,0x7e,0x0,0x2d,0xe9,0x12,0x0,0x0,0xeb,0x7e,0x0,0xbd,0xe8,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0xa,0x30,0x42,0xe2,0x22,0x21,0x42,0xe0,0x22,0x22,0x82,0xe0,0x22,0x24,0x82,0xe0,0x22,0x28,0x82,0xe0,0xa2,0x21,0xa0,0xe1,0x2,0x41,0x82,0xe0,0x84,0x30,0x53,0xe0,0x1,0x20,0x82,0x52,0xa,0x30,0x83,0x42,0x30,0x30,0x83,0xe2,0x0,0x30,0xc1,0xe5,0x1,0x10,0x41,0xe2,0x0,0x0,0x52,0xe3,0xef,0xff,0xff,0x1b,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x20,0xa0,0xe1,0x20,0x10,0x8f,0xe2,0x9,0x10,0x81,0xe2,0xe9,0xff,0xff,0xeb,0x14,0x10,0x8f,0xe2,0xc,0x20,0xa0,0xe3,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x0]
@should = [0x0,0xb0,0xa0,0xe3,0xa,0x10,0xa0,0xe3,0x2,0x0,0x0,0xeb,0x1,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x40,0x2d,0xe9,0x0,0x20,0xa0,0xe3,0x1,0x30,0xa0,0xe3,0x1,0x0,0x51,0xe3,0x6,0x0,0x0,0xda,0x2,0x40,0xa0,0xe1,0x3,0x20,0xa0,0xe1,0x3,0x50,0x84,0xe0,0x5,0x30,0xa0,0xe1,0x1,0x60,0x41,0xe2,0x6,0x10,0xa0,0xe1,0xf6,0xff,0xff,0xea,0x7e,0x0,0x2d,0xe9,0x3,0x10,0xa0,0xe1,0x12,0x0,0x0,0xeb,0x7e,0x0,0xbd,0xe8,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0xa,0x30,0x42,0xe2,0x22,0x21,0x42,0xe0,0x22,0x22,0x82,0xe0,0x22,0x24,0x82,0xe0,0x22,0x28,0x82,0xe0,0xa2,0x21,0xa0,0xe1,0x2,0x41,0x82,0xe0,0x84,0x30,0x53,0xe0,0x1,0x20,0x82,0x52,0xa,0x30,0x83,0x42,0x30,0x30,0x83,0xe2,0x0,0x30,0xc1,0xe5,0x1,0x10,0x41,0xe2,0x0,0x0,0x52,0xe3,0xef,0xff,0xff,0x1b,0x0,0x80,0xbd,0xe8,0x0,0x40,0x2d,0xe9,0x1,0x20,0xa0,0xe1,0x20,0x10,0x8f,0xe2,0x9,0x10,0x81,0xe2,0xe9,0xff,0xff,0xeb,0x14,0x10,0x8f,0xe2,0xc,0x20,0xa0,0xe3,0x1,0x0,0xa0,0xe3,0x4,0x70,0xa0,0xe3,0x0,0x0,0x0,0xef,0x0,0x70,0xa0,0xe1,0x0,0x80,0xbd,0xe8,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x0]
parse
write "while"
end