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mie: parse: add mie_file_span to record character span locations within files

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This commit is contained in:
max 🍓
2026-01-08 19:07:19 +00:00
parent 344626f207
commit 14a1ef30ee
5 changed files with 40 additions and 10 deletions
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23
mie/include/mie/parse/file-span.h Normal file
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@@ -0,0 +1,23 @@
#ifndef MIE_PARSE_FILE_SPAN_H_
#define MIE_PARSE_FILE_SPAN_H_
#include <mie/misc.h>
struct mie_token;
/* a single row/column pair, representing a location within a file.
* both values are 1-based (i.e. the first character in a file is at c_row=1,
* c_col=1*/
struct mie_file_cell {
unsigned int c_row, c_col;
};
/* represents a span of characters within a file.
* used for diagnostic reporting */
struct mie_file_span {
struct mie_file_cell s_start, s_end;
};
MIE_API void mie_file_span_init(struct mie_file_span *span, struct mie_token *tok);
#endif

7
mie/include/mie/parse/token.h
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@@ -3,6 +3,7 @@
#include <blue/core/queue.h>
#include <mie/misc.h>
#include <mie/parse/file-span.h>
#define MIE_TOKEN_TYPE(tok) ((tok) ? (tok)->tok_type : MIE_TOK_NONE)
#define MIE_TOKEN_IS(tok, type) ((tok) && ((tok)->tok_type & (type)) != 0)
@@ -72,12 +73,8 @@ enum mie_token_symbol {
MIE_SYM_OTHER,
};
struct mie_token_location {
unsigned int c_row, c_col;
};
struct mie_token {
struct mie_token_location tok_start, tok_end;
struct mie_file_span tok_location;
enum mie_token_type tok_type;
enum mie_token_value_type tok_value_type;
b_queue_entry tok_entry;

7
mie/parse/file-span.c Normal file
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@@ -0,0 +1,7 @@
#include <mie/parse/file-span.h>
#include <mie/parse/token.h>
void mie_file_span_init(struct mie_file_span *span, struct mie_token *tok)
{
*span = tok->tok_location;
}

8
mie/parse/lex.c
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@@ -324,10 +324,10 @@ static void set_token_end(struct mie_lex *lex)
static enum mie_status push_token(struct mie_lex *lex, struct mie_token *tok)
{
tok->tok_start.c_row = lex->lex_token_start_row;
tok->tok_start.c_col = lex->lex_token_start_col;
tok->tok_end.c_row = lex->lex_token_end_row;
tok->tok_end.c_col = lex->lex_token_end_col;
tok->tok_location.s_start.c_row = lex->lex_token_start_row;
tok->tok_location.s_start.c_col = lex->lex_token_start_col;
tok->tok_location.s_end.c_row = lex->lex_token_end_row;
tok->tok_location.s_end.c_col = lex->lex_token_end_col;
b_queue_push_back(&lex->lex_queue, &tok->tok_entry);
return MIE_SUCCESS;

5
mie/parse/parse.c
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@@ -409,11 +409,14 @@ static bool parse_generic_op(
struct mie_parser *ctx, struct mie_name_map *names, struct mie_op *dest)
{
b_string *str = b_string_create();
if (!mie_parser_parse_opname(ctx, str)) {
struct mie_file_span loc;
if (!mie_parser_parse_opname(ctx, str, &loc)) {
b_string_unref(str);
return false;
}
dest->op_name = b_string_steal(str);
b_string_unref(str);
if (!mie_parser_parse_symbol(ctx, MIE_SYM_LEFT_PAREN)) {
return false;