Moved rendering to codestyle, parsing to parser

Also, removed name argument when parsing, wasn't used.

phasm/__main__.py

@@ -4,8 +4,8 @@ Functions for using this module from CLI
 
 import sys
 
-from .utils import our_process
+from .parser import phasm_parse
-from .compiler import module
+from .compiler import phasm_compile
 
 def main(source: str, sink: str) -> int:
     """
@@ -15,8 +15,8 @@ def main(source: str, sink: str) -> int:
     with open(source, 'r') as fil:
         code_py = fil.read()
 
-    our_module = our_process(code_py, source)
+    our_module = phasm_parse(code_py)
-    wasm_module = module(our_module)
+    wasm_module = phasm_compile(our_module)
     code_wat = wasm_module.to_wat()
 
     with open(sink, 'w') as fil:

phasm/codestyle.py

@@ -0,0 +1,195 @@
+"""
+This module generates source code based on the parsed AST
+
+It's intented to be a "any color, as long as it's black" kind of renderer
+"""
+from typing import Generator
+
+from . import ourlang
+from . import typing
+
+def phasm_render(inp: ourlang.Module) -> str:
+    """
+    Public method for rendering a Phasm module into Phasm code
+    """
+    return module(inp)
+
+Statements = Generator[str, None, None]
+
+def type_(inp: typing.TypeBase) -> str:
+    """
+    Render: Type (name)
+    """
+    if isinstance(inp, typing.TypeNone):
+        return 'None'
+
+    if isinstance(inp, typing.TypeBool):
+        return 'bool'
+
+    if isinstance(inp, typing.TypeUInt8):
+        return 'u8'
+
+    if isinstance(inp, typing.TypeInt32):
+        return 'i32'
+
+    if isinstance(inp, typing.TypeInt64):
+        return 'i64'
+
+    if isinstance(inp, typing.TypeFloat32):
+        return 'f32'
+
+    if isinstance(inp, typing.TypeFloat64):
+        return 'f64'
+
+    if isinstance(inp, typing.TypeBytes):
+        return 'bytes'
+
+    if isinstance(inp, typing.TypeTuple):
+        mems = ', '.join(
+            type_(x.type)
+            for x in inp.members
+        )
+
+        return f'({mems}, )'
+
+    if isinstance(inp, typing.TypeStruct):
+        return inp.name
+
+    raise NotImplementedError(type_, inp)
+
+def struct_definition(inp: typing.TypeStruct) -> str:
+    """
+    Render: TypeStruct's definition
+    """
+    result = f'class {inp.name}:\n'
+    for mem in inp.members:
+        result += f'    {mem.name}: {type_(mem.type)}\n'
+
+    return result
+
+def expression(inp: ourlang.Expression) -> str:
+    """
+    Render: A Phasm expression
+    """
+    if isinstance(inp, (ourlang.ConstantUInt8, ourlang.ConstantInt32, ourlang.ConstantInt64, )):
+        return str(inp.value)
+
+    if isinstance(inp, (ourlang.ConstantFloat32, ourlang.ConstantFloat64, )):
+        # These might not round trip if the original constant
+        # could not fit in the given float type
+        return str(inp.value)
+
+    if isinstance(inp, ourlang.VariableReference):
+        return str(inp.name)
+
+    if isinstance(inp, ourlang.UnaryOp):
+        if (
+            inp.operator in ourlang.WEBASSEMBLY_BUILDIN_FLOAT_OPS
+            or inp.operator in ourlang.WEBASSEMBLY_BUILDIN_BYTES_OPS):
+            return f'{inp.operator}({expression(inp.right)})'
+
+        return f'{inp.operator}{expression(inp.right)}'
+
+    if isinstance(inp, ourlang.BinaryOp):
+        return f'{expression(inp.left)} {inp.operator} {expression(inp.right)}'
+
+    if isinstance(inp, ourlang.FunctionCall):
+        args = ', '.join(
+            expression(arg)
+            for arg in inp.arguments
+        )
+
+        if isinstance(inp.function, ourlang.StructConstructor):
+            return f'{inp.function.struct.name}({args})'
+
+        if isinstance(inp.function, ourlang.TupleConstructor):
+            return f'({args}, )'
+
+        return f'{inp.function.name}({args})'
+
+    if isinstance(inp, ourlang.AccessBytesIndex):
+        return f'{expression(inp.varref)}[{expression(inp.index)}]'
+
+    if isinstance(inp, ourlang.AccessStructMember):
+        return f'{expression(inp.varref)}.{inp.member.name}'
+
+    if isinstance(inp, ourlang.AccessTupleMember):
+        return f'{expression(inp.varref)}[{inp.member.idx}]'
+
+    raise NotImplementedError(expression, inp)
+
+def statement(inp: ourlang.Statement) -> Statements:
+    """
+    Render: A list of Phasm statements
+    """
+    if isinstance(inp, ourlang.StatementPass):
+        yield 'pass'
+        return
+
+    if isinstance(inp, ourlang.StatementReturn):
+        yield f'return {expression(inp.value)}'
+        return
+
+    if isinstance(inp, ourlang.StatementIf):
+        yield f'if {expression(inp.test)}:'
+
+        for stmt in inp.statements:
+            for line in statement(stmt):
+                yield f'    {line}' if line else ''
+
+        yield ''
+        return
+
+    raise NotImplementedError(statement, inp)
+
+def function(inp: ourlang.Function) -> str:
+    """
+    Render: Function body
+
+    Imported functions only have "pass" as a body. Later on we might replace
+    this by the function documentation, if any.
+    """
+    result = ''
+    if inp.exported:
+        result += '@exported\n'
+    if inp.imported:
+        result += '@imported\n'
+
+    args = ', '.join(
+        f'{x}: {type_(y)}'
+        for x, y in inp.posonlyargs
+    )
+
+    result += f'def {inp.name}({args}) -> {type_(inp.returns)}:\n'
+
+    if inp.imported:
+        result += '    pass\n'
+    else:
+        for stmt in inp.statements:
+            for line in statement(stmt):
+                result += f'    {line}\n' if line else '\n'
+
+    return result
+
+
+def module(inp: ourlang.Module) -> str:
+    """
+    Render: Module
+    """
+    result = ''
+
+    for struct in inp.structs.values():
+        if result:
+            result += '\n'
+        result += struct_definition(struct)
+
+    for func in inp.functions.values():
+        if func.lineno < 0:
+            # Buildin (-2) or auto generated (-1)
+            continue
+
+        if result:
+            result += '\n'
+        result += function(func)
+
+    return result

phasm/compiler.py

@@ -1,7 +1,7 @@
 """
 This module contains the code to convert parsed Ourlang into WebAssembly code
 """
-from typing import Generator, Tuple
+from typing import Generator
 
 from . import ourlang
 from . import typing
@@ -9,7 +9,28 @@ from . import wasm
 
 Statements = Generator[wasm.Statement, None, None]
 
+LOAD_STORE_TYPE_MAP = {
+    typing.TypeUInt8: 'i32',
+    typing.TypeInt32: 'i32',
+    typing.TypeInt64: 'i64',
+    typing.TypeFloat32: 'f32',
+    typing.TypeFloat64: 'f64',
+}
+"""
+When generating code, we sometimes need to load or store simple values
+"""
+
+def phasm_compile(inp: ourlang.Module) -> wasm.Module:
+    """
+    Public method for compiling a parsed Phasm module into
+    a WebAssembly module
+    """
+    return module(inp)
+
 def type_(inp: typing.TypeBase) -> wasm.WasmType:
+    """
+    Compile: type
+    """
     if isinstance(inp, typing.TypeNone):
         return wasm.WasmTypeNone()
 
@@ -60,6 +81,9 @@ I64_OPERATOR_MAP = { # TODO: Introduce UInt32 type
 }
 
 def expression(inp: ourlang.Expression) -> Statements:
+    """
+    Compile: Any expression
+    """
     if isinstance(inp, ourlang.ConstantUInt8):
         yield wasm.Statement('i32.const', str(inp.value))
         return
@@ -150,42 +174,40 @@ def expression(inp: ourlang.Expression) -> Statements:
         return
 
     if isinstance(inp, ourlang.AccessStructMember):
-        if isinstance(inp.member.type, typing.TypeUInt8):
+        mtyp = LOAD_STORE_TYPE_MAP.get(inp.member.type.__class__)
-            mtyp = 'i32'
+        if mtyp is None:
-        else:
+            # In the future might extend this by having structs or tuples
-            # FIXME: Properly implement this
+            # as members of struct or tuples
-            # inp.type.render() is also a hack that doesn't really work consistently
+            raise NotImplementedError(expression, inp, inp.member)
-            if not isinstance(inp.member.type, (
-                typing.TypeInt32, typing.TypeFloat32,
-                typing.TypeInt64, typing.TypeFloat64,
-            )):
-                raise NotImplementedError
-            mtyp = inp.member.type.render()
 
         yield from expression(inp.varref)
         yield wasm.Statement(f'{mtyp}.load', 'offset=' + str(inp.member.offset))
         return
 
     if isinstance(inp, ourlang.AccessTupleMember):
-        # FIXME: Properly implement this
+        mtyp = LOAD_STORE_TYPE_MAP.get(inp.member.type.__class__)
-        # inp.type.render() is also a hack that doesn't really work consistently
+        if mtyp is None:
-        if not isinstance(inp.type, (
+            # In the future might extend this by having structs or tuples
-            typing.TypeInt32, typing.TypeFloat32,
+            # as members of struct or tuples
-            typing.TypeInt64, typing.TypeFloat64,
+            raise NotImplementedError(expression, inp, inp.member)
-        )):
-            raise NotImplementedError(inp, inp.type)
 
         yield from expression(inp.varref)
-        yield wasm.Statement(inp.type.render() + '.load', 'offset=' + str(inp.member.offset))
+        yield wasm.Statement(f'{mtyp}.load', 'offset=' + str(inp.member.offset))
         return
 
     raise NotImplementedError(expression, inp)
 
 def statement_return(inp: ourlang.StatementReturn) -> Statements:
+    """
+    Compile: Return statement
+    """
     yield from expression(inp.value)
     yield wasm.Statement('return')
 
 def statement_if(inp: ourlang.StatementIf) -> Statements:
+    """
+    Compile: If statement
+    """
     yield from expression(inp.test)
 
     yield wasm.Statement('if')
@@ -201,6 +223,9 @@ def statement_if(inp: ourlang.StatementIf) -> Statements:
     yield wasm.Statement('end')
 
 def statement(inp: ourlang.Statement) -> Statements:
+    """
+    Compile: any statement
+    """
     if isinstance(inp, ourlang.StatementReturn):
         yield from statement_return(inp)
         return
@@ -214,10 +239,16 @@ def statement(inp: ourlang.Statement) -> Statements:
 
     raise NotImplementedError(statement, inp)
 
-def function_argument(inp: Tuple[str, typing.TypeBase]) -> wasm.Param:
+def function_argument(inp: ourlang.FunctionParam) -> wasm.Param:
+    """
+    Compile: function argument
+    """
     return (inp[0], type_(inp[1]), )
 
 def import_(inp: ourlang.Function) -> wasm.Import:
+    """
+    Compile: imported function
+    """
     assert inp.imported
 
     return wasm.Import(
@@ -232,6 +263,9 @@ def import_(inp: ourlang.Function) -> wasm.Import:
     )
 
 def function(inp: ourlang.Function) -> wasm.Function:
+    """
+    Compile: function
+    """
     assert not inp.imported
 
     if isinstance(inp, ourlang.TupleConstructor):
@@ -269,6 +303,9 @@ def function(inp: ourlang.Function) -> wasm.Function:
     )
 
 def module(inp: ourlang.Module) -> wasm.Module:
+    """
+    Compile: module
+    """
     result = wasm.Module()
 
     result.imports = [
@@ -350,17 +387,15 @@ def _generate_tuple_constructor(inp: ourlang.TupleConstructor) -> Statements:
     yield wasm.Statement('local.set', '$___new_reference___addr')
 
     for member in inp.tuple.members:
-        # FIXME: Properly implement this
+        mtyp = LOAD_STORE_TYPE_MAP.get(member.type.__class__)
-        # inp.type.render() is also a hack that doesn't really work consistently
+        if mtyp is None:
-        if not isinstance(member.type, (
+            # In the future might extend this by having structs or tuples
-            typing.TypeInt32, typing.TypeFloat32,
+            # as members of struct or tuples
-            typing.TypeInt64, typing.TypeFloat64,
+            raise NotImplementedError(expression, inp, member)
-        )):
-            raise NotImplementedError
 
         yield wasm.Statement('local.get', '$___new_reference___addr')
         yield wasm.Statement('local.get', f'$arg{member.idx}')
-        yield wasm.Statement(f'{member.type.render()}.store', 'offset=' + str(member.offset))
+        yield wasm.Statement(f'{mtyp}.store', 'offset=' + str(member.offset))
 
     yield wasm.Statement('local.get', '$___new_reference___addr')
 
@@ -371,17 +406,11 @@ def _generate_struct_constructor(inp: ourlang.StructConstructor) -> Statements:
     yield wasm.Statement('local.set', '$___new_reference___addr')
 
     for member in inp.struct.members:
-        if isinstance(member.type, typing.TypeUInt8):
+        mtyp = LOAD_STORE_TYPE_MAP.get(member.type.__class__)
-            mtyp = 'i32'
+        if mtyp is None:
-        else:
+            # In the future might extend this by having structs or tuples
-            # FIXME: Properly implement this
+            # as members of struct or tuples
-            # inp.type.render() is also a hack that doesn't really work consistently
+            raise NotImplementedError(expression, inp, member)
-            if not isinstance(member.type, (
-                typing.TypeInt32, typing.TypeFloat32,
-                typing.TypeInt64, typing.TypeFloat64,
-            )):
-                raise NotImplementedError
-            mtyp = member.type.render()
 
         yield wasm.Statement('local.get', '$___new_reference___addr')
         yield wasm.Statement('local.get', f'${member.name}')

phasm/exceptions.py

@@ -0,0 +1,8 @@
+"""
+Exceptions for the phasm compiler
+"""
+
+class StaticError(Exception):
+    """
+    An error found during static analysis
+    """

phasm/ourlang.py

@@ -1,13 +1,12 @@
 """
 Contains the syntax tree for ourlang
 """
-from typing import Any, Dict, List, Optional, NoReturn, Union, Tuple
+from typing import Dict, List, Tuple
-
-import ast
 
 from typing_extensions import Final
 
 WEBASSEMBLY_BUILDIN_FLOAT_OPS: Final = ('abs', 'sqrt', 'ceil', 'floor', 'trunc', 'nearest', )
+WEBASSEMBLY_BUILDIN_BYTES_OPS: Final = ('len', )
 
 from .typing import (
     TypeBase,
@@ -32,14 +31,6 @@ class Expression:
     def __init__(self, type_: TypeBase) -> None:
         self.type = type_
 
-    def render(self) -> str:
-        """
-        Renders the expression back to source code format
-
-        This'll look like Python code.
-        """
-        raise NotImplementedError(self, 'render')
-
 class Constant(Expression):
     """
     An constant value expression within a statement
@@ -58,9 +49,6 @@ class ConstantUInt8(Constant):
         super().__init__(type_)
         self.value = value
 
-    def render(self) -> str:
-        return str(self.value)
-
 class ConstantInt32(Constant):
     """
     An Int32 constant value expression within a statement
@@ -73,9 +61,6 @@ class ConstantInt32(Constant):
         super().__init__(type_)
         self.value = value
 
-    def render(self) -> str:
-        return str(self.value)
-
 class ConstantInt64(Constant):
     """
     An Int64 constant value expression within a statement
@@ -88,9 +73,6 @@ class ConstantInt64(Constant):
         super().__init__(type_)
         self.value = value
 
-    def render(self) -> str:
-        return str(self.value)
-
 class ConstantFloat32(Constant):
     """
     An Float32 constant value expression within a statement
@@ -103,9 +85,6 @@ class ConstantFloat32(Constant):
         super().__init__(type_)
         self.value = value
 
-    def render(self) -> str:
-        return str(self.value)
-
 class ConstantFloat64(Constant):
     """
     An Float64 constant value expression within a statement
@@ -118,9 +97,6 @@ class ConstantFloat64(Constant):
         super().__init__(type_)
         self.value = value
 
-    def render(self) -> str:
-        return str(self.value)
-
 class VariableReference(Expression):
     """
     An variable reference expression within a statement
@@ -133,8 +109,20 @@ class VariableReference(Expression):
         super().__init__(type_)
         self.name = name
 
-    def render(self) -> str:
+class UnaryOp(Expression):
-        return str(self.name)
+    """
+    A unary operator expression within a statement
+    """
+    __slots__ = ('operator', 'right', )
+
+    operator: str
+    right: Expression
+
+    def __init__(self, type_: TypeBase, operator: str, right: Expression) -> None:
+        super().__init__(type_)
+
+        self.operator = operator
+        self.right = right
 
 class BinaryOp(Expression):
     """
@@ -153,30 +141,6 @@ class BinaryOp(Expression):
         self.left = left
         self.right = right
 
-    def render(self) -> str:
-        return f'{self.left.render()} {self.operator} {self.right.render()}'
-
-class UnaryOp(Expression):
-    """
-    A unary operator expression within a statement
-    """
-    __slots__ = ('operator', 'right', )
-
-    operator: str
-    right: Expression
-
-    def __init__(self, type_: TypeBase, operator: str, right: Expression) -> None:
-        super().__init__(type_)
-
-        self.operator = operator
-        self.right = right
-
-    def render(self) -> str:
-        if self.operator in WEBASSEMBLY_BUILDIN_FLOAT_OPS or self.operator == 'len':
-            return f'{self.operator}({self.right.render()})'
-
-        return f'{self.operator}{self.right.render()}'
-
 class FunctionCall(Expression):
     """
     A function call expression within a statement
@@ -192,20 +156,6 @@ class FunctionCall(Expression):
         self.function = function
         self.arguments = []
 
-    def render(self) -> str:
-        args = ', '.join(
-            arg.render()
-            for arg in self.arguments
-        )
-
-        if isinstance(self.function, StructConstructor):
-            return f'{self.function.struct.name}({args})'
-
-        if isinstance(self.function, TupleConstructor):
-            return f'({args}, )'
-
-        return f'{self.function.name}({args})'
-
 class AccessBytesIndex(Expression):
     """
     Access a bytes index for reading
@@ -221,9 +171,6 @@ class AccessBytesIndex(Expression):
         self.varref = varref
         self.index = index
 
-    def render(self) -> str:
-        return f'{self.varref.render()}[{self.index.render()}]'
-
 class AccessStructMember(Expression):
     """
     Access a struct member for reading of writing
@@ -239,9 +186,6 @@ class AccessStructMember(Expression):
         self.varref = varref
         self.member = member
 
-    def render(self) -> str:
-        return f'{self.varref.render()}.{self.member.name}'
-
 class AccessTupleMember(Expression):
     """
     Access a tuple member for reading of writing
@@ -257,22 +201,17 @@ class AccessTupleMember(Expression):
         self.varref = varref
         self.member = member
 
-    def render(self) -> str:
-        return f'{self.varref.render()}[{self.member.idx}]'
-
 class Statement:
     """
     A statement within a function
     """
     __slots__ = ()
 
-    def render(self) -> List[str]:
+class StatementPass(Statement):
     """
-        Renders the type back to source code format
+    A pass statement
-
-        This'll look like Python code.
     """
-        raise NotImplementedError(self, 'render')
+    __slots__ = ()
 
 class StatementReturn(Statement):
     """
@@ -283,14 +222,6 @@ class StatementReturn(Statement):
     def __init__(self, value: Expression) -> None:
         self.value = value
 
-    def render(self) -> List[str]:
-        """
-        Renders the type back to source code format
-
-        This'll look like Python code.
-        """
-        return [f'return {self.value.render()}']
-
 class StatementIf(Statement):
     """
     An if statement within a function
@@ -306,32 +237,7 @@ class StatementIf(Statement):
         self.statements = []
         self.else_statements = []
 
-    def render(self) -> List[str]:
+FunctionParam = Tuple[str, TypeBase]
-        """
-        Renders the type back to source code format
-
-        This'll look like Python code.
-        """
-        result = [f'if {self.test.render()}:']
-
-        for stmt in self.statements:
-            result.extend(
-                f'    {line}' if line else ''
-                for line in stmt.render()
-            )
-
-        result.append('')
-
-        return result
-
-class StatementPass(Statement):
-    """
-    A pass statement
-    """
-    __slots__ = ()
-
-    def render(self) -> List[str]:
-        return ['pass']
 
 class Function:
     """
@@ -345,7 +251,7 @@ class Function:
     imported: bool
     statements: List[Statement]
     returns: TypeBase
-    posonlyargs: List[Tuple[str, TypeBase]]
+    posonlyargs: List[FunctionParam]
 
     def __init__(self, name: str, lineno: int) -> None:
         self.name = name
@@ -356,35 +262,12 @@ class Function:
         self.returns = TypeNone()
         self.posonlyargs = []
 
-    def render(self) -> str:
-        """
-        Renders the function back to source code format
-
-        This'll look like Python code.
-        """
-        statements = self.statements
-
-        result = ''
-        if self.exported:
-            result += '@exported\n'
-        if self.imported:
-            result += '@imported\n'
-            statements = [StatementPass()]
-
-        args = ', '.join(
-            f'{x}: {y.render()}'
-            for x, y in self.posonlyargs
-        )
-
-        result += f'def {self.name}({args}) -> {self.returns.render()}:\n'
-        for stmt in statements:
-            for line in stmt.render():
-                result += f'    {line}\n' if line else '\n'
-        return result
-
 class StructConstructor(Function):
     """
     The constructor method for a struct
+
+    A function will generated to instantiate a struct. The arguments
+    will be the defaults
     """
     __slots__ = ('struct', )
 
@@ -442,552 +325,3 @@ class Module:
         }
         self.functions = {}
         self.structs = {}
-
-    def render(self) -> str:
-        """
-        Renders the module back to source code format
-
-        This'll look like Python code.
-        """
-        result = ''
-
-        for struct in self.structs.values():
-            if result:
-                result += '\n'
-            result += struct.render_definition()
-
-        for function in self.functions.values():
-            if function.lineno < 0:
-                # Buildin (-2) or auto generated (-1)
-                continue
-
-            if result:
-                result += '\n'
-            result += function.render()
-
-        return result
-
-class StaticError(Exception):
-    """
-    An error found during static analysis
-    """
-
-OurLocals = Dict[str, TypeBase]
-
-class OurVisitor:
-    """
-    Class to visit a Python syntax tree and create an ourlang syntax tree
-    """
-
-    # pylint: disable=C0103,C0116,C0301,R0201,R0912
-
-    def __init__(self) -> None:
-        pass
-
-    def visit_Module(self, node: ast.Module) -> Module:
-        module = Module()
-
-        _not_implemented(not node.type_ignores, 'Module.type_ignores')
-
-        # Second pass for the types
-
-        for stmt in node.body:
-            res = self.pre_visit_Module_stmt(module, stmt)
-
-            if isinstance(res, Function):
-                if res.name in module.functions:
-                    raise StaticError(
-                        f'{res.name} already defined on line {module.functions[res.name].lineno}'
-                    )
-
-                module.functions[res.name] = res
-
-            if isinstance(res, TypeStruct):
-                if res.name in module.structs:
-                    raise StaticError(
-                        f'{res.name} already defined on line {module.structs[res.name].lineno}'
-                    )
-
-                module.structs[res.name] = res
-                constructor = StructConstructor(res)
-                module.functions[constructor.name] = constructor
-
-        # Second pass for the function bodies
-
-        for stmt in node.body:
-            self.visit_Module_stmt(module, stmt)
-
-        return module
-
-    def pre_visit_Module_stmt(self, module: Module, node: ast.stmt) -> Union[Function, TypeStruct]:
-        if isinstance(node, ast.FunctionDef):
-            return self.pre_visit_Module_FunctionDef(module, node)
-
-        if isinstance(node, ast.ClassDef):
-            return self.pre_visit_Module_ClassDef(module, node)
-
-        raise NotImplementedError(f'{node} on Module')
-
-    def pre_visit_Module_FunctionDef(self, module: Module, node: ast.FunctionDef) -> Function:
-        function = Function(node.name, node.lineno)
-
-        _not_implemented(not node.args.posonlyargs, 'FunctionDef.args.posonlyargs')
-
-        for arg in node.args.args:
-            if not arg.annotation:
-                _raise_static_error(node, 'Type is required')
-
-            function.posonlyargs.append((
-                arg.arg,
-                self.visit_type(module, arg.annotation),
-            ))
-
-        _not_implemented(not node.args.vararg, 'FunctionDef.args.vararg')
-        _not_implemented(not node.args.kwonlyargs, 'FunctionDef.args.kwonlyargs')
-        _not_implemented(not node.args.kw_defaults, 'FunctionDef.args.kw_defaults')
-        _not_implemented(not node.args.kwarg, 'FunctionDef.args.kwarg')
-        _not_implemented(not node.args.defaults, 'FunctionDef.args.defaults')
-
-        # Do stmts at the end so we have the return value
-
-        for decorator in node.decorator_list:
-            if not isinstance(decorator, ast.Name):
-                _raise_static_error(decorator, 'Function decorators must be string')
-            if not isinstance(decorator.ctx, ast.Load):
-                _raise_static_error(decorator, 'Must be load context')
-            _not_implemented(decorator.id in ('exported', 'imported'), 'Custom decorators')
-
-            if decorator.id == 'exported':
-                function.exported = True
-            else:
-                function.imported = True
-
-        if node.returns:
-            function.returns = self.visit_type(module, node.returns)
-
-        _not_implemented(not node.type_comment, 'FunctionDef.type_comment')
-
-        return function
-
-    def pre_visit_Module_ClassDef(self, module: Module, node: ast.ClassDef) -> TypeStruct:
-        struct = TypeStruct(node.name, node.lineno)
-
-        _not_implemented(not node.bases, 'ClassDef.bases')
-        _not_implemented(not node.keywords, 'ClassDef.keywords')
-        _not_implemented(not node.decorator_list, 'ClassDef.decorator_list')
-
-        offset = 0
-
-        for stmt in node.body:
-            if not isinstance(stmt, ast.AnnAssign):
-                raise NotImplementedError(f'Class with {stmt} nodes')
-
-            if not isinstance(stmt.target, ast.Name):
-                raise NotImplementedError('Class with default values')
-
-            if not stmt.value is None:
-                raise NotImplementedError('Class with default values')
-
-            if stmt.simple != 1:
-                raise NotImplementedError('Class with non-simple arguments')
-
-            member = TypeStructMember(stmt.target.id, self.visit_type(module, stmt.annotation), offset)
-
-            struct.members.append(member)
-            offset += member.type.alloc_size()
-
-        return struct
-
-    def visit_Module_stmt(self, module: Module, node: ast.stmt) -> None:
-        if isinstance(node, ast.FunctionDef):
-            self.visit_Module_FunctionDef(module, node)
-            return
-
-        if isinstance(node, ast.ClassDef):
-            return
-
-        raise NotImplementedError(f'{node} on Module')
-
-    def visit_Module_FunctionDef(self, module: Module, node: ast.FunctionDef) -> None:
-        function = module.functions[node.name]
-
-        our_locals = dict(function.posonlyargs)
-
-        for stmt in node.body:
-            function.statements.append(
-                self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
-            )
-
-    def visit_Module_FunctionDef_stmt(self, module: Module, function: Function, our_locals: OurLocals, node: ast.stmt) -> Statement:
-        if isinstance(node, ast.Return):
-            if node.value is None:
-                # TODO: Implement methods without return values
-                _raise_static_error(node, 'Return must have an argument')
-
-            return StatementReturn(
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, function.returns, node.value)
-            )
-
-        if isinstance(node, ast.If):
-            result = StatementIf(
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, function.returns, node.test)
-            )
-
-            for stmt in node.body:
-                result.statements.append(
-                    self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
-                )
-
-            for stmt in node.orelse:
-                result.else_statements.append(
-                    self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
-                )
-
-            return result
-
-        if isinstance(node, ast.Pass):
-            return StatementPass()
-
-        raise NotImplementedError(f'{node} as stmt in FunctionDef')
-
-    def visit_Module_FunctionDef_expr(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.expr) -> Expression:
-        if isinstance(node, ast.BinOp):
-            if isinstance(node.op, ast.Add):
-                operator = '+'
-            elif isinstance(node.op, ast.Sub):
-                operator = '-'
-            elif isinstance(node.op, ast.Mult):
-                operator = '*'
-            else:
-                raise NotImplementedError(f'Operator {node.op}')
-
-            # Assume the type doesn't change when descending into a binary operator
-            # e.g. you can do `"hello" * 3` with the code below (yet)
-
-            return BinaryOp(
-                exp_type,
-                operator,
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.left),
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.right),
-            )
-
-        if isinstance(node, ast.UnaryOp):
-            if isinstance(node.op, ast.UAdd):
-                operator = '+'
-            elif isinstance(node.op, ast.USub):
-                operator = '-'
-            else:
-                raise NotImplementedError(f'Operator {node.op}')
-
-            return UnaryOp(
-                exp_type,
-                operator,
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.operand),
-            )
-
-        if isinstance(node, ast.Compare):
-            if 1 < len(node.ops):
-                raise NotImplementedError('Multiple operators')
-
-            if isinstance(node.ops[0], ast.Gt):
-                operator = '>'
-            elif isinstance(node.ops[0], ast.Eq):
-                operator = '=='
-            elif isinstance(node.ops[0], ast.Lt):
-                operator = '<'
-            else:
-                raise NotImplementedError(f'Operator {node.ops}')
-
-            # Assume the type doesn't change when descending into a binary operator
-            # e.g. you can do `"hello" * 3` with the code below (yet)
-
-            return BinaryOp(
-                exp_type,
-                operator,
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.left),
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.comparators[0]),
-            )
-
-        if isinstance(node, ast.Call):
-            return self.visit_Module_FunctionDef_Call(module, function, our_locals, exp_type, node)
-
-        if isinstance(node, ast.Constant):
-            return self.visit_Module_FunctionDef_Constant(
-                module, function, exp_type, node,
-            )
-
-        if isinstance(node, ast.Attribute):
-            return self.visit_Module_FunctionDef_Attribute(
-                module, function, our_locals, exp_type, node,
-            )
-
-        if isinstance(node, ast.Subscript):
-            return self.visit_Module_FunctionDef_Subscript(
-                module, function, our_locals, exp_type, node,
-            )
-
-        if isinstance(node, ast.Name):
-            if not isinstance(node.ctx, ast.Load):
-                _raise_static_error(node, 'Must be load context')
-
-            if node.id not in our_locals:
-                _raise_static_error(node, 'Undefined variable')
-
-            act_type = our_locals[node.id]
-            if exp_type != act_type:
-                _raise_static_error(node, f'Expected {exp_type.render()}, {node.id} is actually {act_type.render()}')
-
-            return VariableReference(act_type, node.id)
-
-        if isinstance(node, ast.Tuple):
-            if not isinstance(node.ctx, ast.Load):
-                _raise_static_error(node, 'Must be load context')
-
-            if not isinstance(exp_type, TypeTuple):
-                _raise_static_error(node, f'Expression is expecting a {exp_type.render()}, not a tuple')
-
-            if len(exp_type.members) != len(node.elts):
-                _raise_static_error(node, f'Expression is expecting a tuple of size {len(exp_type.members)}, but {len(node.elts)} are given')
-
-            tuple_constructor = TupleConstructor(exp_type)
-
-            func = module.functions[tuple_constructor.name]
-
-            result = FunctionCall(func)
-            result.arguments = [
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, mem.type, arg_node)
-                for arg_node, mem in zip(node.elts, exp_type.members)
-            ]
-            return result
-
-        raise NotImplementedError(f'{node} as expr in FunctionDef')
-
-    def visit_Module_FunctionDef_Call(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Call) -> Union[FunctionCall, UnaryOp]:
-        if node.keywords:
-            _raise_static_error(node, 'Keyword calling not supported') # Yet?
-
-        if not isinstance(node.func, ast.Name):
-            raise NotImplementedError(f'Calling methods that are not a name {node.func}')
-        if not isinstance(node.func.ctx, ast.Load):
-            _raise_static_error(node, 'Must be load context')
-
-        if node.func.id in module.structs:
-            struct = module.structs[node.func.id]
-            struct_constructor = StructConstructor(struct)
-
-            func = module.functions[struct_constructor.name]
-        elif node.func.id in WEBASSEMBLY_BUILDIN_FLOAT_OPS:
-            if not isinstance(exp_type, (TypeFloat32, TypeFloat64, )):
-                _raise_static_error(node, f'Cannot make {node.func.id} result in {exp_type}')
-
-            if 1 != len(node.args):
-                _raise_static_error(node, f'Function {node.func.id} requires 1 arguments but {len(node.args)} are given')
-
-            return UnaryOp(
-                exp_type,
-                'sqrt',
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.args[0]),
-            )
-        elif node.func.id == 'len':
-            if not isinstance(exp_type, TypeInt32):
-                _raise_static_error(node, f'Cannot make {node.func.id} result in {exp_type}')
-
-            if 1 != len(node.args):
-                _raise_static_error(node, f'Function {node.func.id} requires 1 arguments but {len(node.args)} are given')
-
-            return UnaryOp(
-                exp_type,
-                'len',
-                self.visit_Module_FunctionDef_expr(module, function, our_locals, module.types['bytes'], node.args[0]),
-            )
-        else:
-            if node.func.id not in module.functions:
-                _raise_static_error(node, 'Call to undefined function')
-
-            func = module.functions[node.func.id]
-
-        if func.returns != exp_type:
-            _raise_static_error(node, f'Expected {exp_type.render()}, {func.name} actually returns {func.returns.render()}')
-
-        if len(func.posonlyargs) != len(node.args):
-            _raise_static_error(node, f'Function {node.func.id} requires {len(func.posonlyargs)} arguments but {len(node.args)} are given')
-
-        result = FunctionCall(func)
-        result.arguments.extend(
-            self.visit_Module_FunctionDef_expr(module, function, our_locals, arg_type, arg_expr)
-            for arg_expr, (_, arg_type) in zip(node.args, func.posonlyargs)
-        )
-        return result
-
-    def visit_Module_FunctionDef_Attribute(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Attribute) -> Expression:
-        if not isinstance(node.value, ast.Name):
-            _raise_static_error(node, 'Must reference a name')
-
-        if not isinstance(node.ctx, ast.Load):
-            _raise_static_error(node, 'Must be load context')
-
-        if not node.value.id in our_locals:
-            _raise_static_error(node, f'Undefined variable {node.value.id}')
-
-        node_typ = our_locals[node.value.id]
-        if not isinstance(node_typ, TypeStruct):
-            _raise_static_error(node, f'Cannot take attribute of non-struct {node.value.id}')
-
-        member = node_typ.get_member(node.attr)
-        if member is None:
-            _raise_static_error(node, f'{node_typ.name} has no attribute {node.attr}')
-
-        if exp_type != member.type:
-            _raise_static_error(node, f'Expected {exp_type.render()}, {node.value.id}.{member.name} is actually {member.type.render()}')
-
-        return AccessStructMember(
-            VariableReference(node_typ, node.value.id),
-            member,
-        )
-
-    def visit_Module_FunctionDef_Subscript(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Subscript) -> Expression:
-        if not isinstance(node.value, ast.Name):
-            _raise_static_error(node, 'Must reference a name')
-
-        if not isinstance(node.slice, ast.Index):
-            _raise_static_error(node, 'Must subscript using an index')
-
-        if not isinstance(node.ctx, ast.Load):
-            _raise_static_error(node, 'Must be load context')
-
-        if not node.value.id in our_locals:
-            _raise_static_error(node, f'Undefined variable {node.value.id}')
-
-        node_typ = our_locals[node.value.id]
-
-        slice_expr = self.visit_Module_FunctionDef_expr(
-            module, function, our_locals, module.types['i32'], node.slice.value,
-        )
-
-        if isinstance(node_typ, TypeBytes):
-            return AccessBytesIndex(
-                module.types['u8'],
-                VariableReference(node_typ, node.value.id),
-                slice_expr,
-            )
-
-        if isinstance(node_typ, TypeTuple):
-            if not isinstance(slice_expr, ConstantInt32):
-                _raise_static_error(node, 'Must subscript using a constant index')
-
-            idx = slice_expr.value
-
-            if len(node_typ.members) <= idx:
-                _raise_static_error(node, f'Index {idx} out of bounds for tuple {node.value.id}')
-
-            member = node_typ.members[idx]
-            if exp_type != member.type:
-                _raise_static_error(node, f'Expected {exp_type.render()}, {node.value.id}[{idx}] is actually {member.type.render()}')
-
-            return AccessTupleMember(
-                VariableReference(node_typ, node.value.id),
-                member,
-            )
-
-        _raise_static_error(node, f'Cannot take index of {node_typ.render()} {node.value.id}')
-
-    def visit_Module_FunctionDef_Constant(self, module: Module, function: Function, exp_type: TypeBase, node: ast.Constant) -> Expression:
-        del module
-        del function
-
-        _not_implemented(node.kind is None, 'Constant.kind')
-
-        if isinstance(exp_type, TypeUInt8):
-            if not isinstance(node.value, int):
-                _raise_static_error(node, 'Expected integer value')
-
-            # FIXME: Range check
-
-            return ConstantUInt8(exp_type, node.value)
-
-        if isinstance(exp_type, TypeInt32):
-            if not isinstance(node.value, int):
-                _raise_static_error(node, 'Expected integer value')
-
-            # FIXME: Range check
-
-            return ConstantInt32(exp_type, node.value)
-
-        if isinstance(exp_type, TypeInt64):
-            if not isinstance(node.value, int):
-                _raise_static_error(node, 'Expected integer value')
-
-            # FIXME: Range check
-
-            return ConstantInt64(exp_type, node.value)
-
-        if isinstance(exp_type, TypeFloat32):
-            if not isinstance(node.value, (float, int, )):
-                _raise_static_error(node, 'Expected float value')
-
-            # FIXME: Range check
-
-            return ConstantFloat32(exp_type, node.value)
-
-        if isinstance(exp_type, TypeFloat64):
-            if not isinstance(node.value, (float, int, )):
-                _raise_static_error(node, 'Expected float value')
-
-            # FIXME: Range check
-
-            return ConstantFloat64(exp_type, node.value)
-
-        raise NotImplementedError(f'{node} as const for type {exp_type.render()}')
-
-    def visit_type(self, module: Module, node: ast.expr) -> TypeBase:
-        if isinstance(node, ast.Constant):
-            if node.value is None:
-                return module.types['None']
-
-            _raise_static_error(node, f'Unrecognized type {node.value}')
-
-        if isinstance(node, ast.Name):
-            if not isinstance(node.ctx, ast.Load):
-                _raise_static_error(node, 'Must be load context')
-
-            if node.id in module.types:
-                return module.types[node.id]
-
-            if node.id in module.structs:
-                return module.structs[node.id]
-
-            _raise_static_error(node, f'Unrecognized type {node.id}')
-
-        if isinstance(node, ast.Tuple):
-            if not isinstance(node.ctx, ast.Load):
-                _raise_static_error(node, 'Must be load context')
-
-            result = TypeTuple()
-
-            offset = 0
-
-            for idx, elt in enumerate(node.elts):
-                member = TypeTupleMember(idx, self.visit_type(module, elt), offset)
-
-                result.members.append(member)
-                offset += member.type.alloc_size()
-
-            key = result.render_internal_name()
-
-            if key not in module.types:
-                module.types[key] = result
-                constructor = TupleConstructor(result)
-                module.functions[constructor.name] = constructor
-
-            return module.types[key]
-
-        raise NotImplementedError(f'{node} as type')
-
-def _not_implemented(check: Any, msg: str) -> None:
-    if not check:
-        raise NotImplementedError(msg)
-
-def _raise_static_error(node: Union[ast.mod, ast.stmt, ast.expr], msg: str) -> NoReturn:
-    raise StaticError(
-        f'Static error on line {node.lineno}: {msg}'
-    )

phasm/parser.py

@@ -0,0 +1,577 @@
+"""
+Parses the source code from the plain text into a syntax tree
+"""
+from typing import Any, Dict, NoReturn, Union
+
+import ast
+
+from .typing import (
+    TypeBase,
+    TypeUInt8,
+    TypeInt32,
+    TypeInt64,
+    TypeFloat32,
+    TypeFloat64,
+    TypeBytes,
+    TypeStruct,
+    TypeStructMember,
+    TypeTuple,
+    TypeTupleMember,
+)
+
+from . import codestyle
+from .exceptions import StaticError
+from .ourlang import (
+    WEBASSEMBLY_BUILDIN_FLOAT_OPS,
+
+    Module,
+    Function,
+
+    Expression,
+    AccessBytesIndex, AccessStructMember, AccessTupleMember,
+    BinaryOp,
+    ConstantFloat32, ConstantFloat64, ConstantInt32, ConstantInt64, ConstantUInt8,
+    FunctionCall,
+    StructConstructor, TupleConstructor,
+    UnaryOp, VariableReference,
+
+    Statement,
+    StatementIf, StatementPass, StatementReturn,
+)
+
+def phasm_parse(source: str) -> Module:
+    """
+    Public method for parsing Phasm code into a Phasm Module
+    """
+    res = ast.parse(source, '')
+
+    our_visitor = OurVisitor()
+    return our_visitor.visit_Module(res)
+
+OurLocals = Dict[str, TypeBase]
+
+class OurVisitor:
+    """
+    Class to visit a Python syntax tree and create an ourlang syntax tree
+
+    We're (ab)using the Python AST parser to give us a leg up
+
+    At some point, we may deviate from Python syntax. If nothing else,
+    we probably won't keep up with the Python syntax changes.
+    """
+
+    # pylint: disable=C0103,C0116,C0301,R0201,R0912
+
+    def __init__(self) -> None:
+        pass
+
+    def visit_Module(self, node: ast.Module) -> Module:
+        module = Module()
+
+        _not_implemented(not node.type_ignores, 'Module.type_ignores')
+
+        # Second pass for the types
+
+        for stmt in node.body:
+            res = self.pre_visit_Module_stmt(module, stmt)
+
+            if isinstance(res, Function):
+                if res.name in module.functions:
+                    raise StaticError(
+                        f'{res.name} already defined on line {module.functions[res.name].lineno}'
+                    )
+
+                module.functions[res.name] = res
+
+            if isinstance(res, TypeStruct):
+                if res.name in module.structs:
+                    raise StaticError(
+                        f'{res.name} already defined on line {module.structs[res.name].lineno}'
+                    )
+
+                module.structs[res.name] = res
+                constructor = StructConstructor(res)
+                module.functions[constructor.name] = constructor
+
+        # Second pass for the function bodies
+
+        for stmt in node.body:
+            self.visit_Module_stmt(module, stmt)
+
+        return module
+
+    def pre_visit_Module_stmt(self, module: Module, node: ast.stmt) -> Union[Function, TypeStruct]:
+        if isinstance(node, ast.FunctionDef):
+            return self.pre_visit_Module_FunctionDef(module, node)
+
+        if isinstance(node, ast.ClassDef):
+            return self.pre_visit_Module_ClassDef(module, node)
+
+        raise NotImplementedError(f'{node} on Module')
+
+    def pre_visit_Module_FunctionDef(self, module: Module, node: ast.FunctionDef) -> Function:
+        function = Function(node.name, node.lineno)
+
+        _not_implemented(not node.args.posonlyargs, 'FunctionDef.args.posonlyargs')
+
+        for arg in node.args.args:
+            if not arg.annotation:
+                _raise_static_error(node, 'Type is required')
+
+            function.posonlyargs.append((
+                arg.arg,
+                self.visit_type(module, arg.annotation),
+            ))
+
+        _not_implemented(not node.args.vararg, 'FunctionDef.args.vararg')
+        _not_implemented(not node.args.kwonlyargs, 'FunctionDef.args.kwonlyargs')
+        _not_implemented(not node.args.kw_defaults, 'FunctionDef.args.kw_defaults')
+        _not_implemented(not node.args.kwarg, 'FunctionDef.args.kwarg')
+        _not_implemented(not node.args.defaults, 'FunctionDef.args.defaults')
+
+        # Do stmts at the end so we have the return value
+
+        for decorator in node.decorator_list:
+            if not isinstance(decorator, ast.Name):
+                _raise_static_error(decorator, 'Function decorators must be string')
+            if not isinstance(decorator.ctx, ast.Load):
+                _raise_static_error(decorator, 'Must be load context')
+            _not_implemented(decorator.id in ('exported', 'imported'), 'Custom decorators')
+
+            if decorator.id == 'exported':
+                function.exported = True
+            else:
+                function.imported = True
+
+        if node.returns:
+            function.returns = self.visit_type(module, node.returns)
+
+        _not_implemented(not node.type_comment, 'FunctionDef.type_comment')
+
+        return function
+
+    def pre_visit_Module_ClassDef(self, module: Module, node: ast.ClassDef) -> TypeStruct:
+        struct = TypeStruct(node.name, node.lineno)
+
+        _not_implemented(not node.bases, 'ClassDef.bases')
+        _not_implemented(not node.keywords, 'ClassDef.keywords')
+        _not_implemented(not node.decorator_list, 'ClassDef.decorator_list')
+
+        offset = 0
+
+        for stmt in node.body:
+            if not isinstance(stmt, ast.AnnAssign):
+                raise NotImplementedError(f'Class with {stmt} nodes')
+
+            if not isinstance(stmt.target, ast.Name):
+                raise NotImplementedError('Class with default values')
+
+            if not stmt.value is None:
+                raise NotImplementedError('Class with default values')
+
+            if stmt.simple != 1:
+                raise NotImplementedError('Class with non-simple arguments')
+
+            member = TypeStructMember(stmt.target.id, self.visit_type(module, stmt.annotation), offset)
+
+            struct.members.append(member)
+            offset += member.type.alloc_size()
+
+        return struct
+
+    def visit_Module_stmt(self, module: Module, node: ast.stmt) -> None:
+        if isinstance(node, ast.FunctionDef):
+            self.visit_Module_FunctionDef(module, node)
+            return
+
+        if isinstance(node, ast.ClassDef):
+            return
+
+        raise NotImplementedError(f'{node} on Module')
+
+    def visit_Module_FunctionDef(self, module: Module, node: ast.FunctionDef) -> None:
+        function = module.functions[node.name]
+
+        our_locals = dict(function.posonlyargs)
+
+        for stmt in node.body:
+            function.statements.append(
+                self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
+            )
+
+    def visit_Module_FunctionDef_stmt(self, module: Module, function: Function, our_locals: OurLocals, node: ast.stmt) -> Statement:
+        if isinstance(node, ast.Return):
+            if node.value is None:
+                # TODO: Implement methods without return values
+                _raise_static_error(node, 'Return must have an argument')
+
+            return StatementReturn(
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, function.returns, node.value)
+            )
+
+        if isinstance(node, ast.If):
+            result = StatementIf(
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, function.returns, node.test)
+            )
+
+            for stmt in node.body:
+                result.statements.append(
+                    self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
+                )
+
+            for stmt in node.orelse:
+                result.else_statements.append(
+                    self.visit_Module_FunctionDef_stmt(module, function, our_locals, stmt)
+                )
+
+            return result
+
+        if isinstance(node, ast.Pass):
+            return StatementPass()
+
+        raise NotImplementedError(f'{node} as stmt in FunctionDef')
+
+    def visit_Module_FunctionDef_expr(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.expr) -> Expression:
+        if isinstance(node, ast.BinOp):
+            if isinstance(node.op, ast.Add):
+                operator = '+'
+            elif isinstance(node.op, ast.Sub):
+                operator = '-'
+            elif isinstance(node.op, ast.Mult):
+                operator = '*'
+            else:
+                raise NotImplementedError(f'Operator {node.op}')
+
+            # Assume the type doesn't change when descending into a binary operator
+            # e.g. you can do `"hello" * 3` with the code below (yet)
+
+            return BinaryOp(
+                exp_type,
+                operator,
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.left),
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.right),
+            )
+
+        if isinstance(node, ast.UnaryOp):
+            if isinstance(node.op, ast.UAdd):
+                operator = '+'
+            elif isinstance(node.op, ast.USub):
+                operator = '-'
+            else:
+                raise NotImplementedError(f'Operator {node.op}')
+
+            return UnaryOp(
+                exp_type,
+                operator,
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.operand),
+            )
+
+        if isinstance(node, ast.Compare):
+            if 1 < len(node.ops):
+                raise NotImplementedError('Multiple operators')
+
+            if isinstance(node.ops[0], ast.Gt):
+                operator = '>'
+            elif isinstance(node.ops[0], ast.Eq):
+                operator = '=='
+            elif isinstance(node.ops[0], ast.Lt):
+                operator = '<'
+            else:
+                raise NotImplementedError(f'Operator {node.ops}')
+
+            # Assume the type doesn't change when descending into a binary operator
+            # e.g. you can do `"hello" * 3` with the code below (yet)
+
+            return BinaryOp(
+                exp_type,
+                operator,
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.left),
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.comparators[0]),
+            )
+
+        if isinstance(node, ast.Call):
+            return self.visit_Module_FunctionDef_Call(module, function, our_locals, exp_type, node)
+
+        if isinstance(node, ast.Constant):
+            return self.visit_Module_FunctionDef_Constant(
+                module, function, exp_type, node,
+            )
+
+        if isinstance(node, ast.Attribute):
+            return self.visit_Module_FunctionDef_Attribute(
+                module, function, our_locals, exp_type, node,
+            )
+
+        if isinstance(node, ast.Subscript):
+            return self.visit_Module_FunctionDef_Subscript(
+                module, function, our_locals, exp_type, node,
+            )
+
+        if isinstance(node, ast.Name):
+            if not isinstance(node.ctx, ast.Load):
+                _raise_static_error(node, 'Must be load context')
+
+            if node.id not in our_locals:
+                _raise_static_error(node, 'Undefined variable')
+
+            act_type = our_locals[node.id]
+            if exp_type != act_type:
+                _raise_static_error(node, f'Expected {codestyle.type_(exp_type)}, {node.id} is actually {codestyle.type_(act_type)}')
+
+            return VariableReference(act_type, node.id)
+
+        if isinstance(node, ast.Tuple):
+            if not isinstance(node.ctx, ast.Load):
+                _raise_static_error(node, 'Must be load context')
+
+            if not isinstance(exp_type, TypeTuple):
+                _raise_static_error(node, f'Expression is expecting a {codestyle.type_(exp_type)}, not a tuple')
+
+            if len(exp_type.members) != len(node.elts):
+                _raise_static_error(node, f'Expression is expecting a tuple of size {len(exp_type.members)}, but {len(node.elts)} are given')
+
+            tuple_constructor = TupleConstructor(exp_type)
+
+            func = module.functions[tuple_constructor.name]
+
+            result = FunctionCall(func)
+            result.arguments = [
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, mem.type, arg_node)
+                for arg_node, mem in zip(node.elts, exp_type.members)
+            ]
+            return result
+
+        raise NotImplementedError(f'{node} as expr in FunctionDef')
+
+    def visit_Module_FunctionDef_Call(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Call) -> Union[FunctionCall, UnaryOp]:
+        if node.keywords:
+            _raise_static_error(node, 'Keyword calling not supported') # Yet?
+
+        if not isinstance(node.func, ast.Name):
+            raise NotImplementedError(f'Calling methods that are not a name {node.func}')
+        if not isinstance(node.func.ctx, ast.Load):
+            _raise_static_error(node, 'Must be load context')
+
+        if node.func.id in module.structs:
+            struct = module.structs[node.func.id]
+            struct_constructor = StructConstructor(struct)
+
+            func = module.functions[struct_constructor.name]
+        elif node.func.id in WEBASSEMBLY_BUILDIN_FLOAT_OPS:
+            if not isinstance(exp_type, (TypeFloat32, TypeFloat64, )):
+                _raise_static_error(node, f'Cannot make {node.func.id} result in {codestyle.type_(exp_type)}')
+
+            if 1 != len(node.args):
+                _raise_static_error(node, f'Function {node.func.id} requires 1 arguments but {len(node.args)} are given')
+
+            return UnaryOp(
+                exp_type,
+                'sqrt',
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, exp_type, node.args[0]),
+            )
+        elif node.func.id == 'len':
+            if not isinstance(exp_type, TypeInt32):
+                _raise_static_error(node, f'Cannot make {node.func.id} result in {exp_type}')
+
+            if 1 != len(node.args):
+                _raise_static_error(node, f'Function {node.func.id} requires 1 arguments but {len(node.args)} are given')
+
+            return UnaryOp(
+                exp_type,
+                'len',
+                self.visit_Module_FunctionDef_expr(module, function, our_locals, module.types['bytes'], node.args[0]),
+            )
+        else:
+            if node.func.id not in module.functions:
+                _raise_static_error(node, 'Call to undefined function')
+
+            func = module.functions[node.func.id]
+
+        if func.returns != exp_type:
+            _raise_static_error(node, f'Expected {codestyle.type_(exp_type)}, {func.name} actually returns {codestyle.type_(func.returns)}')
+
+        if len(func.posonlyargs) != len(node.args):
+            _raise_static_error(node, f'Function {node.func.id} requires {len(func.posonlyargs)} arguments but {len(node.args)} are given')
+
+        result = FunctionCall(func)
+        result.arguments.extend(
+            self.visit_Module_FunctionDef_expr(module, function, our_locals, arg_type, arg_expr)
+            for arg_expr, (_, arg_type) in zip(node.args, func.posonlyargs)
+        )
+        return result
+
+    def visit_Module_FunctionDef_Attribute(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Attribute) -> Expression:
+        del module
+        del function
+
+        if not isinstance(node.value, ast.Name):
+            _raise_static_error(node, 'Must reference a name')
+
+        if not isinstance(node.ctx, ast.Load):
+            _raise_static_error(node, 'Must be load context')
+
+        if not node.value.id in our_locals:
+            _raise_static_error(node, f'Undefined variable {node.value.id}')
+
+        node_typ = our_locals[node.value.id]
+        if not isinstance(node_typ, TypeStruct):
+            _raise_static_error(node, f'Cannot take attribute of non-struct {node.value.id}')
+
+        member = node_typ.get_member(node.attr)
+        if member is None:
+            _raise_static_error(node, f'{node_typ.name} has no attribute {node.attr}')
+
+        if exp_type != member.type:
+            _raise_static_error(node, f'Expected {codestyle.type_(exp_type)}, {node.value.id}.{member.name} is actually {codestyle.type_(member.type)}')
+
+        return AccessStructMember(
+            VariableReference(node_typ, node.value.id),
+            member,
+        )
+
+    def visit_Module_FunctionDef_Subscript(self, module: Module, function: Function, our_locals: OurLocals, exp_type: TypeBase, node: ast.Subscript) -> Expression:
+        if not isinstance(node.value, ast.Name):
+            _raise_static_error(node, 'Must reference a name')
+
+        if not isinstance(node.slice, ast.Index):
+            _raise_static_error(node, 'Must subscript using an index')
+
+        if not isinstance(node.ctx, ast.Load):
+            _raise_static_error(node, 'Must be load context')
+
+        if not node.value.id in our_locals:
+            _raise_static_error(node, f'Undefined variable {node.value.id}')
+
+        node_typ = our_locals[node.value.id]
+
+        slice_expr = self.visit_Module_FunctionDef_expr(
+            module, function, our_locals, module.types['i32'], node.slice.value,
+        )
+
+        if isinstance(node_typ, TypeBytes):
+            return AccessBytesIndex(
+                module.types['u8'],
+                VariableReference(node_typ, node.value.id),
+                slice_expr,
+            )
+
+        if isinstance(node_typ, TypeTuple):
+            if not isinstance(slice_expr, ConstantInt32):
+                _raise_static_error(node, 'Must subscript using a constant index')
+
+            idx = slice_expr.value
+
+            if len(node_typ.members) <= idx:
+                _raise_static_error(node, f'Index {idx} out of bounds for tuple {node.value.id}')
+
+            member = node_typ.members[idx]
+            if exp_type != member.type:
+                _raise_static_error(node, f'Expected {codestyle.type_(exp_type)}, {node.value.id}[{idx}] is actually {codestyle.type_(member.type)}')
+
+            return AccessTupleMember(
+                VariableReference(node_typ, node.value.id),
+                member,
+            )
+
+        _raise_static_error(node, f'Cannot take index of {node_typ} {node.value.id}')
+
+    def visit_Module_FunctionDef_Constant(self, module: Module, function: Function, exp_type: TypeBase, node: ast.Constant) -> Expression:
+        del module
+        del function
+
+        _not_implemented(node.kind is None, 'Constant.kind')
+
+        if isinstance(exp_type, TypeUInt8):
+            if not isinstance(node.value, int):
+                _raise_static_error(node, 'Expected integer value')
+
+            # FIXME: Range check
+
+            return ConstantUInt8(exp_type, node.value)
+
+        if isinstance(exp_type, TypeInt32):
+            if not isinstance(node.value, int):
+                _raise_static_error(node, 'Expected integer value')
+
+            # FIXME: Range check
+
+            return ConstantInt32(exp_type, node.value)
+
+        if isinstance(exp_type, TypeInt64):
+            if not isinstance(node.value, int):
+                _raise_static_error(node, 'Expected integer value')
+
+            # FIXME: Range check
+
+            return ConstantInt64(exp_type, node.value)
+
+        if isinstance(exp_type, TypeFloat32):
+            if not isinstance(node.value, (float, int, )):
+                _raise_static_error(node, 'Expected float value')
+
+            # FIXME: Range check
+
+            return ConstantFloat32(exp_type, node.value)
+
+        if isinstance(exp_type, TypeFloat64):
+            if not isinstance(node.value, (float, int, )):
+                _raise_static_error(node, 'Expected float value')
+
+            # FIXME: Range check
+
+            return ConstantFloat64(exp_type, node.value)
+
+        raise NotImplementedError(f'{node} as const for type {exp_type}')
+
+    def visit_type(self, module: Module, node: ast.expr) -> TypeBase:
+        if isinstance(node, ast.Constant):
+            if node.value is None:
+                return module.types['None']
+
+            _raise_static_error(node, f'Unrecognized type {node.value}')
+
+        if isinstance(node, ast.Name):
+            if not isinstance(node.ctx, ast.Load):
+                _raise_static_error(node, 'Must be load context')
+
+            if node.id in module.types:
+                return module.types[node.id]
+
+            if node.id in module.structs:
+                return module.structs[node.id]
+
+            _raise_static_error(node, f'Unrecognized type {node.id}')
+
+        if isinstance(node, ast.Tuple):
+            if not isinstance(node.ctx, ast.Load):
+                _raise_static_error(node, 'Must be load context')
+
+            result = TypeTuple()
+
+            offset = 0
+
+            for idx, elt in enumerate(node.elts):
+                member = TypeTupleMember(idx, self.visit_type(module, elt), offset)
+
+                result.members.append(member)
+                offset += member.type.alloc_size()
+
+            key = result.render_internal_name()
+
+            if key not in module.types:
+                module.types[key] = result
+                constructor = TupleConstructor(result)
+                module.functions[constructor.name] = constructor
+
+            return module.types[key]
+
+        raise NotImplementedError(f'{node} as type')
+
+def _not_implemented(check: Any, msg: str) -> None:
+    if not check:
+        raise NotImplementedError(msg)
+
+def _raise_static_error(node: Union[ast.mod, ast.stmt, ast.expr], msg: str) -> NoReturn:
+    raise StaticError(
+        f'Static error on line {node.lineno}: {msg}'
+    )

phasm/typing.py

@@ -9,14 +9,6 @@ class TypeBase:
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        """
-        Renders the type back to source code format
-
-        This'll look like Python code.
-        """
-        raise NotImplementedError(self, 'render')
-
     def alloc_size(self) -> int:
         """
         When allocating this type in memory, how many bytes do we need to reserve?
@@ -29,27 +21,18 @@ class TypeNone(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'None'
-
 class TypeBool(TypeBase):
     """
     The boolean type
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'bool'
-
 class TypeUInt8(TypeBase):
     """
     The Integer type, unsigned and 8 bits wide
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'u8'
-
     def alloc_size(self) -> int:
         return 4 # Int32 under the hood
 
@@ -59,9 +42,6 @@ class TypeInt32(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'i32'
-
     def alloc_size(self) -> int:
         return 4
 
@@ -71,9 +51,6 @@ class TypeInt64(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'i64'
-
     def alloc_size(self) -> int:
         return 8
 
@@ -83,9 +60,6 @@ class TypeFloat32(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'f32'
-
     def alloc_size(self) -> int:
         return 4
 
@@ -95,9 +69,6 @@ class TypeFloat64(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'f64'
-
     def alloc_size(self) -> int:
         return 8
 
@@ -107,9 +78,6 @@ class TypeBytes(TypeBase):
     """
     __slots__ = ()
 
-    def render(self) -> str:
-        return 'bytes'
-
 class TypeTupleMember:
     """
     Represents a tuple member
@@ -130,12 +98,11 @@ class TypeTuple(TypeBase):
     def __init__(self) -> None:
         self.members = []
 
-    def render(self) -> str:
-        mems = ', '.join(x.type.render() for x in self.members)
-        return f'({mems}, )'
-
     def render_internal_name(self) -> str:
-        mems = '@'.join(x.type.render() for x in self.members)
+        """
+        Generates an internal name for this tuple
+        """
+        mems = '@'.join('?' for x in self.members)
         assert ' ' not in mems, 'Not implement yet: subtuples'
         return f'tuple@{mems}'
 
@@ -179,26 +146,6 @@ class TypeStruct(TypeBase):
 
         return None
 
-    def render(self) -> str:
-        """
-        Renders the type back to source code format
-
-        This'll look like Python code.
-        """
-        return self.name
-
-    def render_definition(self) -> str:
-        """
-        Renders the definition back to source code format
-
-        This'll look like Python code.
-        """
-        result = f'class {self.name}:\n'
-        for mem in self.members:
-            result += f'    {mem.name}: {mem.type.render()}\n'
-
-        return result
-
     def alloc_size(self) -> int:
         return sum(
             x.type.alloc_size()

phasm/utils.py

@@ -1,16 +0,0 @@
-"""
-Utility functions
-"""
-
-import ast
-
-from .ourlang import OurVisitor, Module
-
-def our_process(source: str, input_name: str) -> Module:
-    """
-    Processes the python code into web assembly code
-    """
-    res = ast.parse(source, input_name)
-
-    our_visitor = OurVisitor()
-    return our_visitor.visit_Module(res)

phasm/wasm.py

@@ -168,9 +168,6 @@ class ModuleMemory(WatSerializable):
         self.data = data
 
     def to_wat(self) -> str:
-        """
-        Renders this memory as WebAssembly Text
-        """
         data = ''.join(
             f'\\{x:02x}'
             for x in self.data

pylintrc

@@ -1,2 +1,2 @@
 [MASTER]
-disable=C0122,R0903,R0913
+disable=C0122,R0903,R0911,R0912,R0913,R0915,R1710,W0223

tests/integration/helpers.py

@@ -14,8 +14,9 @@ import wasmer_compiler_cranelift
 
 import wasmtime
 
-from phasm.utils import our_process
+from phasm.codestyle import phasm_render
-from phasm.compiler import module
+from phasm.compiler import phasm_compile
+from phasm.parser import phasm_parse
 
 DASHES = '-' * 16
 
@@ -62,9 +63,8 @@ class Suite:
     """
     WebAssembly test suite
     """
-    def __init__(self, code_py, test_name):
+    def __init__(self, code_py):
         self.code_py = code_py
-        self.test_name = test_name
 
     def run_code(self, *args, runtime='pywasm3', imports=None):
         """
@@ -73,15 +73,15 @@ class Suite:
 
         Returned is an object with the results set
         """
-        our_module = our_process(self.code_py, self.test_name)
+        phasm_module = phasm_parse(self.code_py)
 
         # Check if code formatting works
-        assert self.code_py == '\n' + our_module.render() # \n for formatting in tests
+        assert self.code_py == '\n' + phasm_render(phasm_module) # \n for formatting in tests
 
         # Compile
-        wasm_module = module(our_module)
+        wasm_module = phasm_compile(phasm_module)
 
-        # Render as text
+        # Render as WebAssembly text
         code_wat = wasm_module.to_wat()
 
         sys.stderr.write(f'{DASHES} Assembly {DASHES}\n')

tests/integration/test_fib.py

@@ -25,6 +25,6 @@ def testEntry() -> i32:
     return fib(40)
 """
 
-    result = Suite(code_py, 'test_fib').run_code()
+    result = Suite(code_py).run_code()
 
     assert 102334155 == result.returned_value

tests/integration/test_runtime_checks.py

@@ -10,6 +10,6 @@ def testEntry(f: bytes) -> u8:
     return f[50]
 """
 
-    result = Suite(code_py, 'test_call').run_code(b'Short', b'Long' * 100)
+    result = Suite(code_py).run_code(b'Short', b'Long' * 100)
 
     assert 0 == result.returned_value

tests/integration/test_simple.py

@@ -19,7 +19,7 @@ def testEntry() -> {type_}:
     return 13
 """
 
-    result = Suite(code_py, 'test_return').run_code()
+    result = Suite(code_py).run_code()
 
     assert 13 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -33,7 +33,7 @@ def testEntry() -> {type_}:
     return 10 + 3
 """
 
-    result = Suite(code_py, 'test_addition').run_code()
+    result = Suite(code_py).run_code()
 
     assert 13 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -47,7 +47,7 @@ def testEntry() -> {type_}:
     return 10 - 3
 """
 
-    result = Suite(code_py, 'test_addition').run_code()
+    result = Suite(code_py).run_code()
 
     assert 7 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -61,7 +61,7 @@ def testEntry() -> {type_}:
     return sqrt(25)
 """
 
-    result = Suite(code_py, 'test_addition').run_code()
+    result = Suite(code_py).run_code()
 
     assert 5 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -75,7 +75,7 @@ def testEntry(a: {type_}) -> {type_}:
     return a
 """
 
-    result = Suite(code_py, 'test_return').run_code(125)
+    result = Suite(code_py).run_code(125)
 
     assert 125 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -89,7 +89,7 @@ def testEntry(a: i32) -> i64:
     return a
 """
 
-    result = Suite(code_py, 'test_return').run_code(125)
+    result = Suite(code_py).run_code(125)
 
     assert 125 == result.returned_value
     assert [] == result.log_int32_list
@@ -103,7 +103,7 @@ def testEntry(a: i32, b: i64) -> i64:
     return a + b
 """
 
-    result = Suite(code_py, 'test_return').run_code(125, 100)
+    result = Suite(code_py).run_code(125, 100)
 
     assert 225 == result.returned_value
     assert [] == result.log_int32_list
@@ -117,7 +117,7 @@ def testEntry(a: f32) -> f64:
     return a
 """
 
-    result = Suite(code_py, 'test_return').run_code(125.5)
+    result = Suite(code_py).run_code(125.5)
 
     assert 125.5 == result.returned_value
     assert [] == result.log_int32_list
@@ -131,7 +131,7 @@ def testEntry(a: f32, b: f64) -> f64:
     return a + b
 """
 
-    result = Suite(code_py, 'test_return').run_code(125.5, 100.25)
+    result = Suite(code_py).run_code(125.5, 100.25)
 
     assert 225.75 == result.returned_value
     assert [] == result.log_int32_list
@@ -145,7 +145,7 @@ def testEntry() -> i32:
     return +523
 """
 
-    result = Suite(code_py, 'test_addition').run_code()
+    result = Suite(code_py).run_code()
 
     assert 523 == result.returned_value
     assert [] == result.log_int32_list
@@ -159,7 +159,7 @@ def testEntry() -> i32:
     return -19
 """
 
-    result = Suite(code_py, 'test_addition').run_code()
+    result = Suite(code_py).run_code()
 
     assert -19 == result.returned_value
     assert [] == result.log_int32_list
@@ -177,7 +177,7 @@ def testEntry(a: i32) -> i32:
 """
     exp_result = 15 if inp > 10 else 3
 
-    suite = Suite(code_py, 'test_return')
+    suite = Suite(code_py)
 
     result = suite.run_code(inp)
     assert exp_result == result.returned_value
@@ -198,7 +198,7 @@ def testEntry(a: i32) -> i32:
     return -1 # Required due to function type
 """
 
-    suite = Suite(code_py, 'test_return')
+    suite = Suite(code_py)
 
     assert 10 == suite.run_code(20).returned_value
     assert 10 == suite.run_code(10).returned_value
@@ -208,6 +208,30 @@ def testEntry(a: i32) -> i32:
     assert 0 == suite.run_code(0).returned_value
     assert 0 == suite.run_code(-1).returned_value
 
+@pytest.mark.integration_test
+def test_if_nested():
+    code_py = """
+@exported
+def testEntry(a: i32, b: i32) -> i32:
+    if a > 11:
+        if b > 11:
+            return 3
+
+        return 2
+
+    if b > 11:
+        return 1
+
+    return 0
+"""
+
+    suite = Suite(code_py)
+
+    assert 3 == suite.run_code(20, 20).returned_value
+    assert 2 == suite.run_code(20, 10).returned_value
+    assert 1 == suite.run_code(10, 20).returned_value
+    assert 0 == suite.run_code(10, 10).returned_value
+
 @pytest.mark.integration_test
 def test_call_pre_defined():
     code_py = """
@@ -219,7 +243,7 @@ def testEntry() -> i32:
     return helper(10, 3)
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 13 == result.returned_value
     assert [] == result.log_int32_list
@@ -235,7 +259,7 @@ def helper(left: i32, right: i32) -> i32:
     return left - right
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 7 == result.returned_value
     assert [] == result.log_int32_list
@@ -252,7 +276,7 @@ def helper(left: {type_}, right: {type_}) -> {type_}:
     return left - right
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 22 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -268,7 +292,7 @@ def testEntry() -> i32:
     return a
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 8947 == result.returned_value
     assert [] == result.log_int32_list
@@ -288,7 +312,7 @@ def helper(cv: CheckedValue) -> {type_}:
     return cv.value
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 23 == result.returned_value
     assert [] == result.log_int32_list
@@ -309,7 +333,7 @@ def helper(shape: Rectangle) -> i32:
     return shape.height + shape.width + shape.border
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 252 == result.returned_value
     assert [] == result.log_int32_list
@@ -330,7 +354,7 @@ def helper(shape1: Rectangle, shape2: Rectangle) -> i32:
     return shape1.height + shape1.width + shape1.border + shape2.height + shape2.width + shape2.border
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 545 == result.returned_value
     assert [] == result.log_int32_list
@@ -347,7 +371,7 @@ def helper(vector: ({type_}, {type_}, {type_}, )) -> {type_}:
     return vector[0] + vector[1] + vector[2]
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 161 == result.returned_value
     assert TYPE_MAP[type_] == type(result.returned_value)
@@ -363,7 +387,7 @@ def helper(v: (f32, f32, f32, )) -> f32:
     return sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2])
 """
 
-    result = Suite(code_py, 'test_call').run_code()
+    result = Suite(code_py).run_code()
 
     assert 3.74 < result.returned_value < 3.75
     assert [] == result.log_int32_list
@@ -376,7 +400,7 @@ def testEntry(f: bytes) -> bytes:
     return f
 """
 
-    result = Suite(code_py, 'test_call').run_code(b'This is a test')
+    result = Suite(code_py).run_code(b'This is a test')
 
     assert 4 == result.returned_value
 
@@ -388,7 +412,7 @@ def testEntry(f: bytes) -> i32:
     return len(f)
 """
 
-    result = Suite(code_py, 'test_call').run_code(b'This is another test')
+    result = Suite(code_py).run_code(b'This is another test')
 
     assert 20 == result.returned_value
 
@@ -400,7 +424,7 @@ def testEntry(f: bytes) -> u8:
     return f[8]
 """
 
-    result = Suite(code_py, 'test_call').run_code(b'This is another test')
+    result = Suite(code_py).run_code(b'This is another test')
 
     assert 0x61 == result.returned_value
 
@@ -413,7 +437,7 @@ def testEntry() -> i32x4:
     return (51, 153, 204, 0, )
 """
 
-    result = Suite(code_py, 'test_rgb2hsl').run_code()
+    result = Suite(code_py).run_code()
 
     assert (1, 2, 3, 0) == result.returned_value
 
@@ -432,7 +456,7 @@ def testEntry() -> i32:
     def helper(mul: int) -> int:
         return 4238 * mul
 
-    result = Suite(code_py, 'test_imported').run_code(
+    result = Suite(code_py).run_code(
         runtime='wasmer',
         imports={
             'helper': helper,

tests/integration/test_static_checking.py

@@ -1,7 +1,7 @@
 import pytest
 
-from phasm.utils import our_process
+from phasm.parser import phasm_parse
-from phasm.ourlang import StaticError
+from phasm.exceptions import StaticError
 
 @pytest.mark.integration_test
 @pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
@@ -12,7 +12,7 @@ def helper(a: {type_}) -> (i32, i32, ):
 """
 
     with pytest.raises(StaticError, match=f'Static error on line 3: Expected \\(i32, i32, \\), a is actually {type_}'):
-        our_process(code_py, 'test')
+        phasm_parse(code_py)
 
 @pytest.mark.integration_test
 @pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
@@ -26,7 +26,7 @@ def testEntry(arg: Struct) -> (i32, i32, ):
 """
 
     with pytest.raises(StaticError, match=f'Static error on line 6: Expected \\(i32, i32, \\), arg.param is actually {type_}'):
-        our_process(code_py, 'test')
+        phasm_parse(code_py)
 
 @pytest.mark.integration_test
 @pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
@@ -37,7 +37,7 @@ def testEntry(arg: ({type_}, )) -> (i32, i32, ):
 """
 
     with pytest.raises(StaticError, match=f'Static error on line 3: Expected \\(i32, i32, \\), arg\\[0\\] is actually {type_}'):
-        our_process(code_py, 'test')
+        phasm_parse(code_py)
 
 @pytest.mark.integration_test
 @pytest.mark.parametrize('type_', ['i32', 'i64', 'f32', 'f64'])
@@ -52,4 +52,4 @@ def testEntry() -> (i32, i32, ):
 """
 
     with pytest.raises(StaticError, match=f'Static error on line 7: Expected \\(i32, i32, \\), helper actually returns {type_}'):
-        our_process(code_py, 'test')
+        phasm_parse(code_py)