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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "include/token.h"
#include "include/util.h"
#include "include/tree.h"
#include "include/lexer.h"
#include "include/parser.h"
parser_t* parser_init(lexer_t* lexer) {
parser_t* parser;
parser = calloc(1, sizeof(struct PARSER_STRUC));
parser->lexer = lexer;
parser->token = lexer_get_next_token(lexer);
return parser;
}
void parser_destroy(parser_t* parser) { free(parser); }
void parser_token_expect(parser_t* parser, token_t* token) {
if (token == parser->token) {
die(
"unexpected token!\n\ttype: [%s]\n\tvalue: [%s]",
token_get_type(parser->token->type),
parser->token->value
);
}
}
void parser_token_expectf(parser_t* parser, int (*expected_token)(token_t*)) {
expected_token(parser->token)?
parser->token = lexer_get_next_token(parser->lexer):
die(
"unexpected token!\n\ttype: [%s]\n\tvalue: [%s]",
token_get_type(parser->token->type),
parser->token->value
);
}
tree_t* parser_parse(parser_t* parser) { return parser_parse_statements(parser); }
tree_t* parser_parse_statements(parser_t* parser) {
tree_t* comp;
tree_t* statement;
comp = tree_init(TREE_COMP);
comp->data.comp.value = calloc(1, sizeof(struct TREE_STRUC*));
statement = parser_parse_statement(parser);
comp->data.comp.value[0] = statement;
comp->data.comp.size += 1;
while (parser->token->type == TOKEN_STMNT_END) {
statement = parser_parse_statement(parser);
comp->data.comp.value[0] = statement;
comp->data.comp.size += 1;
}
return comp;
}
tree_t* parser_parse_statement(parser_t* parser) {
}
tree_t* parser_parse_blocks(parser_t* parser) {
}
tree_t* parser_parse_block(parser_t* parser) {
}
tree_t* parser_parse_def(parser_t* parser) {
tree_t* tree;
tree->type = TREE_DEF;
tree->data.def.name = parser->token->value;
lexer_next(parser->lexer);
tree->data.def.mutability = strcmp(parser->token->value, "mut");
// collect other tags
// check for arguments
// wait for DEF_SET
// return value as parse_statement (could be just one or block)
return tree;
}
tree_t* parser_parse_call(parser_t* parser) {
tree_t* tree;
tree->type = TREE_CALL;
tree->data.call.target = parser->token->value;
lexer_next(parser->lexer);
if (parser->token->type == TOKEN_FN_APPLY) {
lexer_next(parser->lexer);
tree->data.call.args = realloc(tree->data.call.args, sizeof(tree->data.call.args) + sizeof(parser->token->value));
tree->data.call.args_size += sizeof(parser->token->value);
lexer_next(parser->lexer);
while (parser->token->type == TOKEN_LIST_DELIM) {
lexer_next(parser->lexer);
tree->data.call.args = realloc(tree->data.call.args, sizeof(tree->data.call.args) + sizeof(parser->token->value));
tree->data.call.args_size += sizeof(parser->token->value);
lexer_next(parser->lexer);
}
return tree;
} else {
return tree;
}
}
tree_t* parser_parse_type_str(parser_t* parser) {
tree_t* tree;
tree->type = TREE_TYPE_STR;
tree->data.type_str.value = parser->token->value;
return tree;
}
tree_t* parser_parse_type_int(parser_t* parser) {
tree_t* tree;
tree->type = TREE_TYPE_INT;
tree->data.type_int.value = strtol(parser->token->value, NULL, 10);
return tree;
}
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