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Basic math expressions will passthrough now

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This commit is contained in:
Nathan Braswell
2016-01-18 18:04:34 -05:00
parent bffedcf2fd
commit ac34a550d5
5 changed files with 47 additions and 27 deletions
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33
stdlib/ast_transformation.krak
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@@ -241,12 +241,6 @@ obj ast_transformation (Object) {
}
return ast_value_ptr(value_str, value_type)
}
fun transform_expression(node: *tree<symbol>, scope: *ast_node): *ast_node {
// figure out what the expression is, handle overloads, or you know
// ignore everything and do a passthrough
/*println(string("passing through: ") + node->data.name)*/
return transform(node->children[0], scope)
}
fun transform_code_block(node: *tree<symbol>, scope: *ast_node): *ast_node {
var new_block = ast_code_block_ptr()
add_to_scope("~enclosing_scope", scope, new_block)
@@ -308,15 +302,33 @@ obj ast_transformation (Object) {
f->function_call.parameters.for_each(fun(param: *ast_node) print(param);)
return f
}
fun transform_expression(node: *tree<symbol>, scope: *ast_node): *ast_node {
// figure out what the expression is, handle overloads, or you know
// ignore everything and do a passthrough
if (node->children.size == 1)
return transform(node->children[0], scope)
else if (node->children.size == 2) {
return transform(node->children[0], scope)
}
var parameters = vector(transform(node->children[0], scope), transform(node->children[2], scope))
var parameter_types = parameters.map(fun(param: *ast_node): *type return get_ast_type(param);)
return ast_function_call_ptr(get_builtin_function(concat_symbol_tree(node->children[1]), parameter_types), parameters)
}
fun get_builtin_function(name: string, param_types: vector<*type>): *ast_node {
return ast_function_ptr(name, type_ptr(param_types, param_types[0]), vector<*ast_node>())
}
fun function_lookup(name: string, scope: *ast_node, param_types: vector<*type>): *ast_node {
var param_string = string()
param_types.for_each(fun(t: *type) param_string += t->to_string() + ", ";)
var results = scope_lookup(name, scope)
for (var i = 0; i < results.size; i++;)
print(results.size); println(" number of results")
for (var i = 0; i < results.size; i++;) {
if (is_function(results[i])) {
var func_param_types = get_ast_type(results[i])->parameter_types
if (func_param_types.size != param_types.size)
if (func_param_types.size != param_types.size) {
println(string("type sizes don't match") + get_ast_type(results[i])->to_string() + " with needed " + param_string)
continue
}
var param_types_match = true
for (var j = 0; j < param_types.size; j++;) {
if (*func_param_types[j] != *param_types[j]) {
@@ -326,8 +338,9 @@ obj ast_transformation (Object) {
}
if (param_types_match)
return results[i]
} else
println(string("either isn't function or types don't match ") + get_ast_type(results[i])->to_string() + " with needed " + param_string)
}
println(string("either isn't function or types don't match ") + get_ast_type(results[i])->to_string() + " with needed " + param_string)
}
println(string("function lookup failed for ") + name)
return null<ast_node>()
}