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frontend: implement an ast node printer

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This commit is contained in:
max 🍓
2024-12-01 13:19:48 +00:00
parent c9dbc2e7e4
commit bb34e46c69
3 changed files with 220 additions and 2 deletions
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4
frontend/cmd/compile.c
View File

@@ -84,7 +84,9 @@ static int compile_file(const char *path, const b_arglist *args)
if (!lex_only && r == 0) {
struct ivy_ast_node *root = ivy_parser_root_node(parser);
ivy_ast_node_print(root);
struct ivy_ast_node_iterator it = {0};
ivy_ast_node_iterate(root, &it, print_ast_node);
// ivy_ast_node_print(root);
}
if (lex) {

210
frontend/debug.c
View File

@@ -1,6 +1,7 @@
#include <blue/term.h>
#include <ivy/lang/lex.h>
#include <ivy/asm/lex.h>
#include <ivy/lang/ast.h>
#include <ivy/lang/lex.h>
#include <stdio.h>
extern void print_lex_token(struct ivy_token *tok)
@@ -128,3 +129,210 @@ extern void print_asm_lex_token(struct ivy_asm_token *tok)
b_puts("[reset]\n");
}
extern enum ivy_status print_ast_node(
struct ivy_ast_node *node, struct ivy_ast_node_iterator *it)
{
for (unsigned int i = 0; i < node->n_it.it_depth; i++) {
b_puts(" ");
}
switch (node->n_type) {
case IVY_AST_UNIT:
case IVY_AST_CLASS:
case IVY_AST_MSGH:
case IVY_AST_UNIT_PACKAGE:
case IVY_AST_UNIT_IMPORT:
b_puts("[magenta]");
break;
case IVY_AST_OP:
b_puts("[blue]");
break;
case IVY_AST_MSG:
b_puts("[red]");
break;
case IVY_AST_INT:
case IVY_AST_DOUBLE:
b_puts("[yellow]");
break;
case IVY_AST_BLOCK:
b_puts("[red]");
break;
case IVY_AST_IDENT:
case IVY_AST_SELECTOR:
b_puts("[cyan]");
break;
case IVY_AST_STRING:
case IVY_AST_FSTRING:
b_puts("[green]");
break;
default:
break;
}
b_puts(ivy_ast_node_type_to_string(node->n_type));
switch (node->n_type) {
case IVY_AST_INT: {
struct ivy_ast_int_node *v = (struct ivy_ast_int_node *)node;
b_printf(" (%llu)", v->n_value->t_int);
break;
}
case IVY_AST_DOUBLE: {
struct ivy_ast_double_node *v = (struct ivy_ast_double_node *)node;
b_printf(" (%.2lf)", v->n_value->t_double);
break;
}
case IVY_AST_IDENT: {
struct ivy_ast_ident_node *v = (struct ivy_ast_ident_node *)node;
b_printf(" (%s)", v->n_content->t_str);
break;
}
case IVY_AST_SELECTOR: {
struct ivy_ast_selector_node *v
= (struct ivy_ast_selector_node *)node;
b_printf(" [[");
switch (v->n_recipient) {
case IVY_SELECTOR_RECIPIENT_CLASS:
b_putc('+');
break;
case IVY_SELECTOR_RECIPIENT_OBJECT:
b_putc('-');
break;
default:
/* this will occur if the selector is being used to send
a message at runtime, rather than as part of a
message handler definition. */
break;
}
if (v->n_msg_name) {
b_printf("%s", v->n_msg_name->t_str);
}
if (v->n_msg_name && !b_queue_empty(&v->n_arg_labels)) {
b_putc('(');
}
b_queue_iterator label_it = {0};
b_queue_iterator name_it = {0};
b_queue_iterator_begin(&v->n_arg_labels, &label_it);
b_queue_iterator_begin(&v->n_arg_names, &name_it);
bool name_present = false;
int i = 0;
while (b_queue_iterator_is_valid(&label_it)) {
if (i > 0 && name_present) {
fputc(' ', stdout);
}
struct ivy_token *label = b_unbox(
struct ivy_token, label_it.entry, t_entry);
struct ivy_token *name = b_unbox(
struct ivy_token, name_it.entry, t_entry);
if (label) {
b_printf("%s:", label->t_str);
}
if (name) {
b_printf("%s", name->t_str);
}
name_present = (name != NULL);
i++;
b_queue_iterator_next(&label_it);
b_queue_iterator_next(&name_it);
}
if (v->n_msg_name && !b_queue_empty(&v->n_arg_labels)) {
b_putc(')');
}
b_puts("]");
break;
}
case IVY_AST_OP: {
struct ivy_ast_op_node *v = (struct ivy_ast_op_node *)node;
b_printf(" (%s)", ivy_operator_id_to_string(v->n_op->op_id));
break;
}
case IVY_AST_CLASS: {
struct ivy_ast_class_node *v = (struct ivy_ast_class_node *)node;
b_printf(" (%s)", v->n_ident->t_str);
break;
}
case IVY_AST_UNIT_PACKAGE: {
struct ivy_ast_unit_package_node *v
= (struct ivy_ast_unit_package_node *)node;
b_printf(" (");
b_queue_iterator it = {0};
int i = 0;
b_queue_foreach (&it, &v->n_ident) {
struct ivy_token *tok
= b_unbox(struct ivy_token, it.entry, t_entry);
if (i > 0) {
b_printf(".");
}
b_printf("%s", tok->t_str);
i++;
}
b_printf(")");
break;
}
case IVY_AST_UNIT_IMPORT: {
struct ivy_ast_unit_import_node *v
= (struct ivy_ast_unit_import_node *)node;
b_printf(" (");
b_queue_iterator it = {0};
int i = 0;
b_queue_foreach (&it, &v->n_ident) {
struct ivy_token *tok
= b_unbox(struct ivy_token, it.entry, t_entry);
if (i > 0) {
b_printf(".");
}
b_printf("%s", tok->t_str);
i++;
}
b_printf(")");
break;
}
default:
break;
}
#if 0
switch (tok->t_type) {
case IVY_TOK_IDENT:
case IVY_TOK_LABEL:
case IVY_TOK_STRING:
case IVY_TOK_ATOM:
printf("(%s)", tok->t_str);
break;
case IVY_TOK_SYMBOL:
printf("(%s)", ivy_symbol_to_string(tok->t_symbol));
break;
case IVY_TOK_KEYWORD:
printf("(%s)", ivy_keyword_to_string(tok->t_keyword));
break;
case IVY_TOK_INT:
printf("(%llu)", tok->t_int);
break;
case IVY_TOK_DOUBLE:
printf("(%lf)", tok->t_double);
break;
default:
break;
}
#endif
b_puts("[reset]\n");
return IVY_OK;
}

8
frontend/debug.h
View File

@@ -1,10 +1,18 @@
#ifndef DEBUG_H_
#define DEBUG_H_
#include <ivy/status.h>
struct ivy_token;
struct ivy_asm_token;
struct ivy_ast_node;
struct ivy_ast_node_iterator;
extern void print_lex_token(struct ivy_token *tok);
extern void print_asm_lex_token(struct ivy_asm_token *tok);
extern enum ivy_status print_ast_node(
struct ivy_ast_node *node, struct ivy_ast_node_iterator *it);
#endif