1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// This file defines how to compile blocks
#include "../ast.h"
#include "../environment.h"
#include "../stdlib/datatypes.h"
#include "../stdlib/text.h"
#include "../stdlib/util.h"
#include "../typecheck.h"
#include "compilation.h"
public
Text_t compile_block(env_t *env, ast_t *ast) { return Texts("{\n", compile_inline_block(env, ast), "}\n"); }
Text_t compile_block_expression(env_t *env, ast_t *ast) {
ast_list_t *stmts = Match(ast, Block)->statements;
if (stmts && !stmts->next) return compile(env, stmts->ast);
Text_t code = Text("({\n");
env = fresh_scope(env);
for (ast_list_t *stmt = stmts; stmt; stmt = stmt->next)
prebind_statement(env, stmt->ast);
for (ast_list_t *stmt = stmts; stmt; stmt = stmt->next) {
if (stmt->next) {
code = Texts(code, compile_statement(env, stmt->ast), "\n");
} else {
code = Texts(code, compile(env, stmt->ast), ";\n");
}
bind_statement(env, stmt->ast);
}
return Texts(code, "})");
}
public
Text_t compile_inline_block(env_t *env, ast_t *ast) {
if (ast->tag != Block) return compile_statement(env, ast);
Text_t code = EMPTY_TEXT;
ast_list_t *stmts = Match(ast, Block)->statements;
env = fresh_scope(env);
for (ast_list_t *stmt = stmts; stmt; stmt = stmt->next)
prebind_statement(env, stmt->ast);
for (ast_list_t *stmt = stmts; stmt; stmt = stmt->next) {
code = Texts(code, compile_statement(env, stmt->ast), "\n");
bind_statement(env, stmt->ast);
}
return code;
}
|
