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fix invalid syntax not being called on an invalid assignment

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This commit is contained in:
William Bell
2025-06-02 00:13:24 +01:00
parent d2518afb8e
commit e4c2af3cc7
7 changed files with 131 additions and 569 deletions
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38
src/parser/parser.c
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@@ -10,6 +10,8 @@
#include <stdlib.h>
#include <string.h>
const char *ValueTypeNames[] = {"string", "assign", "identifier"};
ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
size_t *index, bool inline_flag) {
Token *token = darray_get(tokens, *index);
@@ -34,6 +36,26 @@ ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
fprintf(stderr, "%s:%u:%u error: invalid indentation\n", file, token->line,
token->column);
exit(EXIT_FAILURE);
case TOKEN_IDENTIFIER:;
ParsedValue *assign_to = parse_identifier(token);
(*index)++;
if (*index >= tokens->size)
return assign_to;
token = darray_get(tokens, *index);
switch (token->type) {
case TOKEN_ASSIGN:
case TOKEN_ASSIGN_CARET:
case TOKEN_ASSIGN_FLOORDIV:
case TOKEN_ASSIGN_MINUS:
case TOKEN_ASSIGN_MODULO:
case TOKEN_ASSIGN_PLUS:
case TOKEN_ASSIGN_SLASH:
case TOKEN_ASSIGN_STAR:;
DArray slice = darray_slice(parsed, parsed->size, parsed->size);
return parse_assign(file, &slice, tokens, assign_to, index);
default:
return assign_to;
}
case TOKEN_ASSIGN:
case TOKEN_ASSIGN_CARET:
case TOKEN_ASSIGN_FLOORDIV:
@@ -42,19 +64,9 @@ ParsedValue *parse_token(char *file, DArray *parsed, DArray *tokens,
case TOKEN_ASSIGN_PLUS:
case TOKEN_ASSIGN_SLASH:
case TOKEN_ASSIGN_STAR:
if (parsed->size == 0) {
fprintf(stderr, "%s:%u:%u error: syntax error\n", file, token->line,
token->column);
exit(EXIT_FAILURE);
}
ParsedValue *assign_to = malloc(sizeof(ParsedValue));
memcpy(assign_to, darray_get(parsed, parsed->size - 1),
sizeof(ParsedValue));
darray_resize(parsed, parsed->size - 1);
return parse_assign(file, parsed, tokens, assign_to, index);
case TOKEN_IDENTIFIER:
(*index)++;
return parse_identifier(token);
fprintf(stderr, "%s:%u:%u error: syntax error\n", file, token->line,
token->column);
exit(EXIT_FAILURE);
default:
fprintf(stderr, "Panic: unreachable\n");
exit(EXIT_FAILURE);