fix: new lexer is linked to everything
This commit is contained in:
parent
d5a1ec3ca6
commit
71e58e38b8
6 changed files with 26 additions and 22 deletions
|
|
@ -41,8 +41,8 @@ static void save_state(char *stream, ssize_t i, struct lexer_context *ctx)
|
|||
ctx->remaining_chars -= i;
|
||||
ctx->end_previous_token = stream + i;
|
||||
|
||||
update_previous_token(ctx->current_token);
|
||||
update_current_token(NULL);
|
||||
update_previous_token(ctx->current_token, ctx);
|
||||
update_current_token(NULL, ctx);
|
||||
}
|
||||
|
||||
/* @return: true if a special character from the grammar was found,
|
||||
|
|
@ -182,12 +182,10 @@ void destroy_lexer_context(struct lexer_context **ctx)
|
|||
{
|
||||
if (ctx == NULL || *ctx == NULL)
|
||||
return;
|
||||
if (ctx->end_previous_token != NULL)
|
||||
free(ctx->end_previous_token);
|
||||
if (ctx->previous_token != NULL)
|
||||
free(ctx->previous_token);
|
||||
if (ctx->current_token != NULL)
|
||||
free(ctx->current_token);
|
||||
if ((*ctx)->previous_token != NULL)
|
||||
free((*ctx)->previous_token);
|
||||
if ((*ctx)->current_token != NULL)
|
||||
free((*ctx)->current_token);
|
||||
free(*ctx);
|
||||
*ctx = NULL;
|
||||
}
|
||||
|
|
@ -278,7 +276,7 @@ struct token *peek_token(struct lexer_context *ctx)
|
|||
return ctx->current_token;
|
||||
}
|
||||
|
||||
char *stream = stream_init();
|
||||
char *stream = stream_init(ctx);
|
||||
ssize_t i = 0;
|
||||
|
||||
// Usefull to know if we are inside a quote or double quote
|
||||
|
|
@ -313,7 +311,7 @@ struct token *peek_token(struct lexer_context *ctx)
|
|||
}
|
||||
|
||||
struct token *tok = new_token(stream, i);
|
||||
update_current_token(tok);
|
||||
update_current_token(tok, ctx);
|
||||
return tok;
|
||||
}
|
||||
|
||||
|
|
@ -326,7 +324,7 @@ struct token *pop_token(struct lexer_context *ctx)
|
|||
free_token(&ctx->current_token);
|
||||
return NULL;
|
||||
}
|
||||
char *stream = stream_init();
|
||||
char *stream = stream_init(ctx);
|
||||
ssize_t i = 0;
|
||||
|
||||
// Usefull to know if we are inside a quote or double quote
|
||||
|
|
@ -366,7 +364,7 @@ struct token *pop_token(struct lexer_context *ctx)
|
|||
{
|
||||
ctx->current_token = new_token(stream, i);
|
||||
}
|
||||
save_state(stream, i);
|
||||
save_state(stream, i, ctx);
|
||||
|
||||
return ctx->previous_token;
|
||||
}
|
||||
|
|
|
|||
10
src/main.c
10
src/main.c
|
|
@ -4,6 +4,7 @@
|
|||
|
||||
#include "execution/execution.h"
|
||||
#include "io_backend/io_backend.h"
|
||||
#include "lexer/lexer.h"
|
||||
#include "parser/parser.h"
|
||||
#include "utils/args/args.h"
|
||||
#include "utils/vars/vars.h"
|
||||
|
|
@ -69,8 +70,11 @@ int main(int argc, char **argv)
|
|||
|
||||
free(io_context);
|
||||
|
||||
// init lexer context
|
||||
struct lexer_context *ctx = calloc(1, sizeof(struct lexer_context));
|
||||
|
||||
// Retrieve and build first AST
|
||||
struct ast *command_ast = get_ast();
|
||||
struct ast *command_ast = get_ast(ctx);
|
||||
|
||||
// Main parse-execute loop
|
||||
while (command_ast != NULL && command_ast->type != AST_END)
|
||||
|
|
@ -81,9 +85,11 @@ int main(int argc, char **argv)
|
|||
ast_free(&command_ast);
|
||||
|
||||
// Retrieve and build next AST
|
||||
command_ast = get_ast();
|
||||
command_ast = get_ast(ctx);
|
||||
}
|
||||
|
||||
destroy_lexer_context(&ctx);
|
||||
|
||||
ast_free(&command_ast);
|
||||
|
||||
if (command_ast == NULL)
|
||||
|
|
|
|||
|
|
@ -15,9 +15,8 @@
|
|||
|
||||
// === Functions
|
||||
|
||||
struct ast *get_ast()
|
||||
struct ast *get_ast(struct lexer_context *ctx)
|
||||
{
|
||||
struct lexer_context *ctx = calloc(1, sizeof(struct lexer_context));
|
||||
struct token *token = PEEK_TOKEN();
|
||||
struct ast *res;
|
||||
|
||||
|
|
@ -44,8 +43,6 @@ struct ast *get_ast()
|
|||
return NULL;
|
||||
}
|
||||
*/
|
||||
destroy_lexer_context(&ctx);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
#ifndef PARSER_H
|
||||
#define PARSER_H
|
||||
|
||||
#include "lexer/lexer.h"
|
||||
#include "utils/ast/ast.h"
|
||||
|
||||
/* @brief Builds the AST representation of the next command to execute.
|
||||
|
|
@ -10,7 +11,7 @@
|
|||
*
|
||||
* @warning NOT IMPLEMENTED
|
||||
*/
|
||||
struct ast *get_ast(void);
|
||||
struct ast *get_ast(struct lexer_context *ctx);
|
||||
|
||||
/* @brief Builds the AST representation of the given command string.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -67,7 +67,7 @@ struct ast *parse_list(struct lexer_context *ctx)
|
|||
struct token *token = PEEK_TOKEN();
|
||||
|
||||
// and_or
|
||||
current_node = parse_and_or();
|
||||
current_node = parse_and_or(ctx);
|
||||
if (current_node == NULL)
|
||||
return NULL;
|
||||
result_list = list_append(result_list, current_node);
|
||||
|
|
@ -90,7 +90,7 @@ struct ast *parse_list(struct lexer_context *ctx)
|
|||
token = PEEK_TOKEN();
|
||||
}
|
||||
}
|
||||
result_list = list_append(result_list, current_node);
|
||||
// result_list = list_append(result_list, current_node);
|
||||
|
||||
return ast_create_list(result_list);
|
||||
}
|
||||
|
|
@ -337,7 +337,7 @@ struct ast *parse_else_clause(struct lexer_context *ctx)
|
|||
}
|
||||
|
||||
if (result == NULL)
|
||||
result = ast_create_void(ctx);
|
||||
result = ast_create_void();
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,6 +1,8 @@
|
|||
#ifndef PARSING_UTILS_H
|
||||
#define PARSING_UTILS_H
|
||||
|
||||
#include "../lexer/lexer.h"
|
||||
|
||||
// === Macros
|
||||
|
||||
#define PEEK_TOKEN() \
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue