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lang: codegen: redesign again to use purely pre-order ast traversal

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max 🍓
2025-04-16 21:58:52 +01:00
parent 95dbedefde
commit f0e6237473
9 changed files with 860 additions and 79 deletions
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20
lang/codegen/generator.c
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@@ -2,14 +2,25 @@
extern const struct code_generator unit_generator;
extern const struct code_generator expr_generator;
extern const struct code_generator var_generator;
static const struct code_generator *code_generators[] = {
[CODE_GENERATOR_UNIT] = &unit_generator,
[CODE_GENERATOR_EXPR] = &expr_generator,
[CODE_GENERATOR_VAR] = &var_generator,
};
static const size_t nr_code_generators
= sizeof code_generators / sizeof code_generators[0];
static const struct code_generator *root_code_generators[] = {
[IVY_AST_UNIT] = &unit_generator,
[IVY_AST_OP] = &expr_generator,
[IVY_AST_INT] = &expr_generator,
[IVY_AST_IDENT] = &expr_generator,
};
static const size_t nr_root_code_generators
= sizeof root_code_generators / sizeof root_code_generators[0];
const struct code_generator *get_code_generator(enum code_generator_type type)
{
if (type >= nr_code_generators) {
@@ -18,3 +29,12 @@ const struct code_generator *get_code_generator(enum code_generator_type type)
return code_generators[type];
}
const struct code_generator *get_root_code_generator(enum ivy_ast_node_type type)
{
if (type >= nr_root_code_generators) {
return NULL;
}
return root_code_generators[type];
}