146 lines
3.1 KiB
Lua
146 lines
3.1 KiB
Lua
local pprint = require('pprint')
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local assemble = require('tyche-as')
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local VM = require('tyche-vm')
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----------------------
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-- --
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-- SUPPORT --
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-- --
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----------------------
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function assert_eq(found, expected, key)
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assert(type(found) == type(expected), 'Types not matching , expected "' .. pprint.pformat(expected) .. '", found "' .. pprint.pformat(found) .. '".' .. ((key ~= nil) and ('(key: ' .. key .. ')') or ''))
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if type(found) == 'table' then
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assert(#found == #expected, "Tables are of different sizes " .. ((key ~= nil) and ('(key: ' .. key .. ')') or ''))
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for k,v in pairs(found) do
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assert_eq(v, expected[k], k)
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end
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for k,v in pairs(expected) do
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assert_eq(v, found[k], k)
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end
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else
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assert(found == expected, 'Assertion failed, expected "' .. pprint.pformat(expected) .. '", found "' .. pprint.pformat(found) .. '".')
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end
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end
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----------------------
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-- --
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-- PARSER --
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-- --
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----------------------
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do
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local source = [[
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.const
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0: 3.14
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1: "Hello world"
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.func 0
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pushi 2 ; this is a comment
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pushi 3
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sum
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ret
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.func 1
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pushi 5000
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ret ]]
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local expected = {
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constants = { [0] = 3.14, [1] = "Hello world" },
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functions = {
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[0] = {
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{ "pushi", 2 },
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{ "pushi", 3 },
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{ "sum" },
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{ "ret" },
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},
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[1] = {
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{ "pushi", 5000 },
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{ "ret" },
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}
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}
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}
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local found = assemble(source)
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-- pprint(expected)
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-- pprint(found)
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assert_eq(found, expected)
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end
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----------------------
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-- --
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-- STACK --
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-- --
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----------------------
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do
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local stack = VM.new().stack
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stack:push(10)
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stack:push(20)
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stack:push(30)
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assert_eq(#stack, 3)
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assert_eq(stack[0], 10)
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assert_eq(stack[1], 20)
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assert_eq(stack[-1], 30)
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assert_eq(stack[-2], 20)
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stack:pop()
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stack:pop()
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stack:pop()
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assert_eq(#stack, 0)
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end
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do
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local stack = VM.new().stack
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stack:push(10)
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stack:push(20)
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stack:push_fp()
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stack:push(30)
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stack:push(40)
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stack:push(50)
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assert_eq(#stack, 3)
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assert_eq(stack[0], 30)
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assert_eq(stack[1], 40)
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assert_eq(stack[-1], 50)
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assert_eq(stack[-2], 40)
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stack:pop_fp()
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assert_eq(#stack, 2)
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assert_eq(stack[0], 10)
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assert_eq(stack[1], 20)
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assert_eq(stack[-1], 20)
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assert_eq(stack[-2], 10)
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end
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----------------------
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-- --
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-- VM STACK --
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-- --
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----------------------
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do
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local vm = VM:new()
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vm.debug = true
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local bytecode = assemble [[
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.func 0
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pushi 2
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pushi 3
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sum
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ret
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]]
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vm:load(bytecode)
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assert_eq(vm:stack_sz(), 1)
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assert_eq(vm:is(-1, 'function'), true)
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vm:call(0)
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assert_eq(vm:stack_sz(), 1)
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assert_eq(vm:is(-1, 'integer'))
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assert_eq(vm:to_integer(-1), 5)
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end
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print('End.') |