Ava Affine
3bc256dab2
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This commit provides some but not all unit tests for VM instructions. All tests pass, and this commit includes modifications to logic to allow for that. Signed-off-by: Ava Affine <ava@sunnypup.io>
326 lines
6.3 KiB
TOML
326 lines
6.3 KiB
TOML
# NOTE: keep libc out of this, thats what trap vector is for
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# NOTE: to programmers: only registers allow mutable acess
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[[instructions]]
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name = "trap"
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args = ["index"]
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output = "result of function"
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description = "triggers callback in trap vector at index"
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[[instructions]]
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name = "bind"
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args = ["name", "operand"]
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output = ""
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description = "map name to operand in sym table."
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[[instructions]]
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name = "unbind"
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args = ["name"]
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output = ""
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description = "remove name mapping from sym table."
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[[instructions]]
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name = "bound"
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args = ["name"]
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output = "expr = true if name is bound"
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description = "test if a name is already bound"
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[[instructions]]
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name = "push"
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args = ["operand"]
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output = ""
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description = "pushes deep copy of operand onto stack."
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[[instructions]]
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name = "pop"
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args = []
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output = ""
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description = "removes element at top of stack."
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[[instructions]]
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name = "enter"
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args = []
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output = ""
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description = "create new stack frame"
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[[instructions]]
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name = "exit"
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args = []
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output = ""
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description = "delete current stack frame"
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[[instructions]]
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name = "link"
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args = ["src", "dest"]
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output = ""
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description = "shallow copies src into dest"
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[[instructions]]
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name = "dupl"
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args = ["src", "dest"]
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output = ""
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description = "deep copies src into dest"
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[[instructions]]
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name = "clear"
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args = ["dest"]
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output = ""
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description = "clears dest"
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[[instructions]]
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name = "nop"
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args = []
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output = ""
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description = "no operation"
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[[instructions]]
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name = "halt"
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args = []
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output = ""
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description = "halts the VM"
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[[instructions]]
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name = "panic"
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args = ["error"]
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output = ""
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description = "sets error state and halts VM"
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[[instructions]]
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name = "jmp"
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args = ["addr"]
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output = ""
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description = "sets ictr register to addr"
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[[instructions]]
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name = "jmpif"
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args = ["addr"]
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output = ""
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description = "if expr register holds true, sets ictr to addr"
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[[instructions]]
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name = "eq"
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args = ["a", "b"]
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output = "a == b"
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description = "equality test"
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[[instructions]]
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name = "lt"
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args = ["a", "b"]
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output = "a < b"
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description = "less than test"
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[[instructions]]
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name = "gt"
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args = ["a", "b"]
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output = "a > b"
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description = "greater than test"
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[[instructions]]
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name = "lte"
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args = ["a", "b"]
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output = "a <= b"
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description = "less than equals test"
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[[instructions]]
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name = "gte"
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args = ["a", "b"]
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output = "a >= b"
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description = "greater than equals test"
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[[instructions]]
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name = "bool_not"
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args = []
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output = "expr = !expr"
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description = "boolean not"
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[[instructions]]
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name = "bool_and"
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args = ["a", "b"]
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output = "a && b"
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description = "boolean and"
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[[instructions]]
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name = "bool_or"
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args = ["a", "b"]
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output = "a || b"
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description = "boolean or"
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[[instructions]]
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name = "byte_and"
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args = ["a", "b"]
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output = "a & b"
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description = "bitwise and"
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[[instructions]]
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name = "byte_or"
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args = ["a", "b"]
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output = "a | b"
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description = "bitwise or"
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[[instructions]]
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name = "xor"
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args = ["a", "b"]
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output = "a xor b"
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description = "bitwise exclusive or"
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[[instructions]]
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name = "byte_not"
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args = []
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output = "expr = !expr"
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description = "bitwise not"
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[[instructions]]
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name = "add"
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args = ["a", "b"]
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output = "a + b"
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description = "numeric addition"
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[[instructions]]
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name = "sub"
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args = ["a", "b"]
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output = "a - b"
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description = "numeric subtraction"
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[[instructions]]
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name = "mul"
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args = ["a", "b"]
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output = "a * b"
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description = "numeric multiplication"
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[[instructions]]
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name = "fdiv"
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args = ["a", "b"]
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output = "a / b"
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description = "numeric FLOAT division"
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[[instructions]]
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name = "idiv"
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args = ["a", "b"]
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output = "a / b"
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description = "numeric INTEGER division"
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[[instructions]]
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name = "pow"
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args = ["a", "b"]
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output = "a ^ b"
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description = "numeric operation to raise a to the power of b"
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[[instructions]]
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name = "modulo"
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args = ["a", "b"]
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output = "a % b"
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description = "numeric modulo operation"
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[[instructions]]
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name = "rem"
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args = ["a", "b"]
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output = "remainder from a / b"
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description = "remainder from integer division"
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[[instructions]]
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name = "inc"
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args = ["src"]
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output = ""
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description = "increments number at source"
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[[instructions]]
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name = "dec"
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args = ["src"]
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output = ""
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description = "decrements number at source"
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[[instructions]]
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name = "cton"
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args = ["src"]
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output = ""
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description = "mutates a char datum into a number datum"
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[[instructions]]
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name = "ntoc"
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args = ["src"]
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output = ""
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description = "mutates a number datum into a char datum"
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[[instructions]]
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name = "ntoi"
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args = ["src"]
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output = ""
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description = "mutates a number datum into its exact form"
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[[instructions]]
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name = "ntoe"
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args = ["src"]
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output = ""
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description = "mutates a number datum into its inexact form"
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[[instructions]]
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name = "const"
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args = ["dst", "data"]
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output = ""
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description = "sets dst location to constant integer data"
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[[instructions]]
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name = "mkvec"
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args = []
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output = "a blank vector"
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description = "creates a new vector"
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[[instructions]]
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name = "mkbvec"
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args = []
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output = "a blank bytevector"
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description = "creates a blank bytevector"
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[[instructions]]
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name = "index"
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args = ["collection", "index"]
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output = "collection[index]"
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description = "extracts element from collection at index"
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[[instructions]]
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name = "length"
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args = ["collection"]
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output = "length of collection"
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description = "calculates length of collection"
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[[instructions]]
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name = "subsl"
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args = ["collection", "start", "end"]
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output = "collection[start:end]"
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description = "returns a subset from collection denoted by start and end indexes"
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[[instructions]]
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name = "inser"
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args = ["collection", "elem", "idx"]
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output = ""
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description = "inserts an element at specified index into a collection"
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[[instructions]]
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name = "cons"
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args = ["left", "right"]
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output = "resulting collection"
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description = "either append right to left or make new list from both"
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[[instructions]]
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name = "car"
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args = ["list"]
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output = "returns first element in cons cell"
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description = "takes an AST and returns first element in top level cons cell"
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[[instructions]]
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name = "cdr"
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args = ["list"]
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output = "returns last element in cons cell"
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description = "takes an AST and returns last element in top level cons cell"
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[[instructions]]
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name = "concat"
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args = ["string_l", "string_r"]
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output = "string_l+string_r"
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description = "concatenates string r to string l and returns a new string"
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[[instructions]]
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name = "s_append"
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args = ["parent", "child"]
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output = ""
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description = "append in place child character into parent string"
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