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add declaration with function support

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This commit is contained in:
William Bell
2025-06-04 23:12:03 +01:00
parent 2bd0384060
commit 7b76b0d888
10 changed files with 125 additions and 17 deletions
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34
src/parser/parser.c
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@@ -3,9 +3,11 @@
#include "../lexer/token.h"
#include "assignable/assign/assign.h"
#include "assignable/identifier/identifier.h"
#include "declaration/declaration.h"
#include "if/if.h"
#include "number/number.h"
#include "string/string.h"
#include "literals/literals.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
@@ -14,7 +16,7 @@
const char *ValueTypeNames[] = {"string", "assign", "identifier",
"number", "if statement", "access",
"call"};
"call", "declaration", "null", "boolean"};
void error_if_finished(char *file, DArray *tokens, size_t *index) {
if ((*index) >= tokens->size) {
@@ -25,11 +27,11 @@ void error_if_finished(char *file, DArray *tokens, size_t *index) {
}
}
ParsedValue *parse_token(char *file, DArray *tokens,
size_t *index, bool inline_flag) {
ParsedValue *parse_token(char *file, DArray *tokens, size_t *index,
bool inline_flag) {
Token *token = darray_get(tokens, *index);
ParsedValue * output = NULL;
ParsedValue *output = NULL;
if (!inline_flag) {
switch (token->type) {
@@ -40,6 +42,18 @@ ParsedValue *parse_token(char *file, DArray *tokens,
};
}
switch (token->type) {
case TOKEN_TRUE:
(*index)++;
output = parse_true();
break;
case TOKEN_FALSE:
(*index)++;
output = parse_false();
break;
case TOKEN_NULL:
(*index)++;
output = parse_null();
break;
case TOKEN_STRING:
(*index)++;
output = parse_string(*token);
@@ -64,6 +78,9 @@ ParsedValue *parse_token(char *file, DArray *tokens,
(*index)++;
output = parse_number(token);
break;
case TOKEN_LET:
output = parse_declaration(file, tokens, index);
break;
default:
fprintf(stderr, "%s:%u:%u error: syntax error\n", file, token->line,
token->column);
@@ -85,8 +102,8 @@ ParsedValue *parse_token(char *file, DArray *tokens,
case TOKEN_ASSIGN_STAR:;
output = parse_assign(file, tokens, output, index);
break;
default:
passed = true;
default:
passed = true;
}
}
@@ -96,8 +113,7 @@ ParsedValue *parse_token(char *file, DArray *tokens,
void parser(char *file, DArray *parsed, DArray *tokens, bool inline_flag) {
size_t index = 0;
while (index < tokens->size) {
ParsedValue *parsed_code =
parse_token(file, tokens, &index, inline_flag);
ParsedValue *parsed_code = parse_token(file, tokens, &index, inline_flag);
if (parsed_code) {
darray_push(parsed, parsed_code);
free(parsed_code);
@@ -116,6 +132,8 @@ void free_parsed(void *ptr) {
free_parse_assign(parsed);
break;
case AST_NUMBER:
case AST_NULL:
case AST_BOOLEAN:
break;
case AST_IF:
free_parsed_if(parsed);