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frontend: add parameters to print_ast_node iterator function

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the caller can now specify whether the nodes should be printed
in pre-order or post-order, and whether the output should be indented.
This commit is contained in:
max 🍓
2025-04-14 12:24:56 +01:00
parent 80e001cdc1
commit f123902215
2 changed files with 28 additions and 4 deletions
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21
frontend/debug.c
View File

@@ -1,3 +1,5 @@
#include "debug.h"
#include <blue/object/string.h>
#include <blue/term.h>
#include <ivy/asm/lex.h>
@@ -132,10 +134,23 @@ 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)
struct ivy_ast_node *node, enum ivy_ast_iteration_type type,
struct ivy_ast_node_iterator *it, void *arg)
{
for (unsigned int i = 0; i < node->n_it.it_depth; i++) {
b_puts(" ");
struct print_ast_node_args *args = arg;
if (args && args->postorder && type != IVY_AST_ITERATION_POST) {
return IVY_OK;
}
if ((!args || !args->postorder) && type != IVY_AST_ITERATION_PRE) {
return IVY_OK;
}
if (!args || (args && args->indent)) {
for (unsigned int i = 0; i < node->n_it.it_depth; i++) {
b_puts(" ");
}
}
switch (node->n_type) {

11
frontend/debug.h
View File

@@ -2,6 +2,7 @@
#define DEBUG_H_
#include <ivy/status.h>
#include <stdbool.h>
struct ivy_token;
struct ivy_asm_token;
@@ -9,10 +10,18 @@ struct ivy_asm_token;
struct ivy_ast_node;
struct ivy_ast_node_iterator;
enum ivy_ast_iteration_type;
struct print_ast_node_args {
bool indent;
bool postorder;
};
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);
struct ivy_ast_node *node, enum ivy_ast_iteration_type type,
struct ivy_ast_node_iterator *it, void *arg);
#endif