miloignis/kraken
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

more work on the ast_transformation

Browse Source
This commit is contained in:
Nathan Braswell
2015-12-28 03:34:40 -05:00
parent 22b334a2ae
commit fd6383124c
8 changed files with 106 additions and 54 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
stdlib/importer.krak
View File

@@ -14,14 +14,17 @@ import parser:*
obj importer (Object) {
var parse: parser
var ast_pass: ast_transformation
var name_ast_map: map<string, pair<*tree<symbol>,*ast_node>>
fun construct(parseIn: ref parser, ast_passIn: ref ast_transformation): *importer {
parse.copy_construct(&parseIn)
ast_pass.copy_construct(&ast_passIn)
name_ast_map.construct()
return this
}
fun copy_construct(old: *importer) {
parse.copy_construct(&old->parse)
ast_pass.copy_construct(&old->ast_pass)
name_ast_map.copy_construct(&old->name_ast_map)
}
fun operator=(old: ref importer) {
destruct()
@@ -30,8 +33,12 @@ obj importer (Object) {
fun destruct() {
parse.destruct()
ast_pass.destruct()
name_ast_map.destruct()
}
fun import(file_name: string): *ast_node {
if (name_ast_map.contains_key(file_name))
return name_ast_map[file_name].second
print("pre-parse: "); println(file_name)
var parse_tree = parse.parse_input(read_file(file_name), file_name)
print("post-parse: "); println(file_name)
@@ -46,6 +53,11 @@ obj importer (Object) {
write_file(file_name + ".ast.dot", ast_to_dot(ast))
return ast
}
fun register(file_name: string, parse_tree: *tree<symbol>, translation_unit: *ast_node) {
name_ast_map.set(file_name, make_pair(parse_tree, translation_unit))
print("Registered parse_tree+translation_unit for ")
println(file_name)
}
fun trim(parse_tree: *tree<symbol>) {
remove_node(symbol("$NULL$", false), parse_tree)
remove_node(symbol("WS", false), parse_tree)
@@ -127,9 +139,5 @@ obj importer (Object) {
}
}
}
fun register(file_name: string, parse_tree: *tree<symbol>, translation_unit: *ast_node) {
print("Registered parse_tree+translation_unit for ")
println(file_name)
}
}