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Move to individual transform functions, add skeleton for if_comp, simple_passthrough

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Nathan Braswell
2016-01-01 23:42:00 -05:00
parent fd6383124c
commit 6107dda825
3 changed files with 30 additions and 99 deletions
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35
stdlib/ast_transformation.krak
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@@ -73,16 +73,13 @@ obj ast_transformation (Object) {
fun transform(node: *tree<symbol>, scope: *ast_node): *ast_node {
var name = node->data.name
if (name == "identifier" || name == "scoped_identifier") {
return transform_identifier(node, scope)
} else if (name == "code_block") {
var new_block = ast_code_block_ptr()
add_to_scope("~enclosing_scope", scope, new_block)
new_block->code_block.children = transform_all(node->children, new_block)
return new_block
} else if (name == "code_block") {
var new_if_comp = ast_if_comp_ptr()
add_to_scope("~enclosing_scope", scope, new_if_comp)
new_if_comp->code_block.children = transform_all(node->children, new_if_comp)
return new_if_comp
return transform_code_block(node, scope)
} else if (name == "if_comp") {
return transform_if_comp(node, scope)
} else if (name == "simple_passthrough") {
return transform_simple_passthrough(node, scope)
}
print("FAILED TO TRANSFORM: "); println(concat_symbol_tree(node))
return null<ast_node>()
@@ -90,6 +87,26 @@ obj ast_transformation (Object) {
fun transform_all(nodes: vector<*tree<symbol>>, scope: *ast_node): vector<*ast_node> {
return nodes.map(fun(node: *tree<symbol>): *ast_node return transform(node, scope);)
}
fun transform_identifier(node: *tree<symbol>, scope: *ast_node): *ast_node {
// for identifier we have to do scope lookup, etc, and maybe limit to function
var name = concat_symbol_tree(node)
return ast_identifier_ptr(name)
}
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)
new_block->code_block.children = transform_all(node->children, new_block)
return new_block
}
fun transform_if_comp(node: *tree<symbol>, scope: *ast_node): *ast_node {
var new_if_comp = ast_if_comp_ptr()
return new_if_comp
}
fun transform_simple_passthrough(node: *tree<symbol>, scope: *ast_node): *ast_node {
var new_passthrough = ast_simple_passthrough_ptr()
// setup passthrough params and string
return new_passthrough
}
}
fun concat_symbol_tree(node: *tree<symbol>): string {