56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
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import io:*
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import map:*
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import string:*
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import util:*
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import tree:*
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import symbol:*
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import ast_nodes:*
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import ast_transformation:*
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adt value {
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integer: int,
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floating: float
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}
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fun print_value(v: ref value) {
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match (v) {
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value::integer(data) println(data)
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value::floating(data) println(data)
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}
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}
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obj interpreter (Object) {
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var ast_to_syntax: map<*ast_node, *tree<symbol>>
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var name_ast_map: map<string, pair<*tree<symbol>,*ast_node>>
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fun construct(name_ast_map_in: map<string, pair<*tree<symbol>,*ast_node>>, ast_to_syntax_in: map<*ast_node, *tree<symbol>>): *interpreter {
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name_ast_map.copy_construct(&name_ast_map_in)
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ast_to_syntax.copy_construct(&ast_to_syntax_in)
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return this
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}
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fun operator=(old: ref interpreter) {
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destruct()
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copy_construct(&old)
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}
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fun copy_construct(old: *interpreter) {
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name_ast_map.copy_construct(&old->name_ast_map)
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ast_to_syntax.copy_construct(&old->ast_to_syntax)
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}
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fun destruct() {
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name_ast_map.destruct()
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ast_to_syntax.destruct()
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}
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fun call_main() {
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var results = vector<*ast_node>()
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name_ast_map.for_each(fun(key: string, value: pair<*tree<symbol>,*ast_node>) {
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results += scope_lookup(string("main"), value.second)
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})
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if (results.size != 1)
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error(string("wrong number of mains to call: ") + results.size)
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println("calling main!")
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print_value(interpret_function_call(results[0], vector<value>()))
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}
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fun interpret_function_call(func: *ast_node, params: vector<value>): value {
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return value::integer(0)
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}
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}
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