first commit

This commit is contained in:
Arthur Barraux
2025-06-02 10:27:04 +02:00
commit 04464ec2e7
11 changed files with 819 additions and 0 deletions
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#ifndef CONFIG_TOOLS_H_
#define CONFIG_TOOLS_H_
#include "data.h"
#include "parser.h"
#include <stdio.h>
config_t *config_create(void);
void free_node(node_t *node);
void config_destroy(config_t *config);
int handle_map_key(config_t *config, node_t **args, int arg_count);
int handle_define(config_t *config, node_t **args, int arg_count);
int execute_function_call(config_t *config, node_t *call);
int config_parse_string(config_t *config, const char *input);
int config_parse_file(config_t *config, const char *filename);
const char *config_get_key_mapping(config_t *config, const char *key_combo);
node_t *find_variable(config_t *config, const char *name);
const char *config_get_string(config_t *config, const char *path,
const char *default_value);
int config_get_int(config_t *config, const char *path, int default_value);
double config_get_double(config_t *config, const char *path,
double default_value);
bool config_get_bool(config_t *config, const char *path, bool default_value);
void config_print_all(config_t *config);
static struct {
const char *name;
int (*handler)(config_t *config, node_t **args, int arg_count);
} builtin_functions[] = {
{"map-key", handle_map_key}, {"define", handle_define}, {NULL, NULL}};
#endif
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#ifndef DATA_H_PARSER
#define DATA_H_PARSER
#include "define.h"
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Token types for lexical analysis
typedef enum {
TOKEN_COMMA, // ,
TOKEN_PERCENT, // %
TOKEN_LPAREN, // (
TOKEN_RPAREN, // )
TOKEN_SYMBOL, // identifiers/function names
TOKEN_STRING, // "quoted strings"
TOKEN_NUMBER, // integers and floats
TOKEN_BOOLEAN, // true false
TOKEN_NEWLINE, // \n (statement separator)
TOKEN_EOF,
TOKEN_ERROR
} token_type_t;
typedef struct {
token_type_t type;
char value[MAX_TOKEN_LENGTH];
int line;
int column;
} token_t;
// AST node types
typedef enum {
NODE_SYMBOL,
NODE_STRING,
NODE_NUMBER,
NODE_BOOLEAN,
NODE_FUNCTION_REF, // %function-name
NODE_FUNCTION_CALL // ,function-name()
} node_type_t;
typedef struct node {
node_type_t type;
union {
char symbol[MAX_SYMBOL_LENGTH];
char string[MAX_STRING_LENGTH];
double number;
bool boolean;
char function_ref[MAX_SYMBOL_LENGTH];
struct {
char function_name[MAX_SYMBOL_LENGTH];
struct node *args[MAX_ARGS];
int arg_count;
} call;
} data;
} node_t;
// Lexer state
typedef struct {
const char *input;
int pos;
int line;
int column;
char current_char;
} lexer_t;
// Configuration storage
typedef struct key_mapping {
char *key_combo;
char *function_name;
struct key_mapping *next;
} key_mapping_t;
typedef struct config_var {
char *name;
node_t *value;
struct config_var *next;
} config_var_t;
typedef struct {
key_mapping_t *key_mappings;
config_var_t *variables;
} config_t;
void advance_char(lexer_t *lexer);
void skip_whitespace(lexer_t *lexer);
void skip_comment(lexer_t *lexer);
node_t *create_node(node_type_t type);
node_t *create_symbol_node(const char *symbol);
node_t *create_string_node(const char *string);
node_t *create_number_node(double number);
node_t *create_boolean_node(bool value);
node_t *create_function_ref_node(const char *function_name);
node_t *create_function_call_node(const char *function_name);
void add_arg_to_call(node_t *call, node_t *args);
#endif
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#ifndef BLISP_DEFINE_H_
#define BLISP_DEFINE_H_
#define MAX_TOKEN_LENGTH 256
#define MAX_SYMBOL_LENGTH 128
#define MAX_STRING_LENGTH 512
#define MAX_ARGS 16
#endif
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#ifndef LEXER_H_
#define LEXER_H_
#include "data.h"
token_t next_token(lexer_t *lexer);
#endif
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#ifndef PARSER_H_
#define PARSER_H_
#include "data.h"
#include "lexer.h"
node_t *parse_atom(lexer_t *lexer, token_t *token);
node_t *parse_function_call(lexer_t *lexer, const char *function_name);
node_t *parse_statement(lexer_t *lexer);
#endif
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// Configuration file
,map-key("CTRL-s" %editorSave)
// ,map-key("CTRL-q" %editorQuit)
,map-key("CTRL-a" %move-cursor-beg-line)
,map-key("CTRL-z" %move-cursor-end-line)
,map-key("CTRL-f o" %open-file)
,map-key("CTRL-w s h" %window-split-horizontal)
,map-key("CTRL-w s v" %window-split-vertical)
,define(theme "dark")
,define(auto-save true)
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#include "src/data.h"
#include "src/config_tools.h"
int main() {
// Parse the configuration
config_t *config = config_create();
char *config_file = "init.bl";
if (!config) {
fprintf(stderr, "Error: Failed to create config structure\n");
return 1;
}
if (config_parse_file(config, config_file) != 0) {
fprintf(stderr, "Error: Failed to parse config file\n");
config_destroy(config);
return 1;
}
printf("Successfully parsed Lisp config file: %s\n\n", config_file);
// Print all entries
config_print_all(config);
printf("\n");
// Demonstrate usage
printf("Example usage:\n");
printf("CTRL-s maps to: %s\n", config_get_key_mapping(config, "CTRL-s"));
printf("CTRL-f o maps to: %s\n", config_get_key_mapping(config, "CTRL-f o"));
printf("Window width: %d\n", config_get_int(config, "window-width", 1024));
printf("Theme: %s\n", config_get_string(config, "theme", "light"));
printf("Auto-save: %s\n",
config_get_bool(config, "auto-save", false) ? "enabled" : "disabled");
printf("Font size: %d\n", config_get_int(config, "font-size", 12));
config_destroy(config);
return 0;
}
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#include "../include/config_tools.h"
#include "../include/data.h"
#include <stdio.h>
config_t *config_create(void) {
/*
* @brief Initialize config structure
*/
config_t *config = malloc(sizeof(config_t));
if (config) {
config->key_mappings = NULL;
config->variables = NULL;
}
return config;
}
void free_node(node_t *node) {
int i;
if (!node)
return;
if (node->type == NODE_FUNCTION_CALL) {
for (i = 0; i < node->data.call.arg_count; i++) {
free_node(node->data.call.args[i]);
}
// free(node->data.call.args);
}
free(node);
}
void config_destroy(config_t *config) {
if (!config)
return;
key_mapping_t *mapping = config->key_mappings;
while (mapping) {
key_mapping_t *next = mapping->next;
free(mapping->key_combo);
free(mapping->function_name);
free(mapping);
mapping = next;
}
// Free variables
config_var_t *var = config->variables;
while (var) {
config_var_t *next = var->next;
free(var->name);
free_node(var->value);
free(var);
var = next;
}
free(config);
}
// Built-in function handlers
int handle_map_key(config_t *config, node_t **args, int arg_count) {
if (arg_count != 2 || args[0]->type != NODE_STRING ||
args[1]->type != NODE_FUNCTION_REF) {
fprintf(stderr, "Error: map-key requires (key_combo, function_ref)\n");
return -1;
}
key_mapping_t *mapping = malloc(sizeof(key_mapping_t));
if (!mapping)
return -1;
mapping->key_combo = strdup(args[0]->data.string);
mapping->function_name = strdup(args[1]->data.function_ref);
mapping->next = config->key_mappings;
config->key_mappings = mapping;
return 0;
}
int handle_define(config_t *config, node_t **args, int arg_count) {
if (arg_count != 2 || args[0]->type != NODE_SYMBOL) {
fprintf(stderr, "Error: define requires (variable_name, value)\n");
return -1;
}
config_var_t *var = malloc(sizeof(config_var_t));
if (!var)
return -1;
var->name = strdup(args[0]->data.symbol);
var->value = args[1]; // Transfer ownership
var->next = config->variables;
config->variables = var;
return 0;
}
int execute_function_call(config_t *config, node_t *call) {
if (call->type != NODE_FUNCTION_CALL)
return -1;
// Look for built-in function
for (int i = 0; builtin_functions[i].name; i++) {
if (strcmp(call->data.call.function_name, builtin_functions[i].name) == 0) {
return builtin_functions[i].handler(config, call->data.call.args,
call->data.call.arg_count);
}
}
fprintf(stderr, "Error: Unknown function '%s'\n",
call->data.call.function_name);
return -1;
}
int config_parse_string(config_t *config, const char *input) {
lexer_t lexer = {0};
lexer.input = input;
lexer.pos = 0;
lexer.line = 1;
lexer.column = 1;
lexer.current_char = input[0];
while (lexer.current_char != '\0') {
printf("%c", lexer.current_char);
skip_whitespace(&lexer);
skip_comment(&lexer);
skip_whitespace(&lexer);
if (lexer.current_char == '\0')
break;
if (lexer.current_char == '\n') {
advance_char(&lexer);
continue;
}
node_t *stmt = parse_statement(&lexer);
if (stmt) {
if (execute_function_call(config, stmt) != 0) {
fprintf(stderr, "Error executing statement at line %d\n", lexer.line);
}
if (stmt->type != NODE_FUNCTION_CALL ||
strcmp(stmt->data.call.function_name, "define") != 0) {
free_node(stmt); // Don't free if ownership was transferred to define
}
}
// Skip to next line
while (lexer.current_char != '\n' && lexer.current_char != '\0') {
advance_char(&lexer);
}
}
return 0;
}
int config_parse_file(config_t *config, const char *filename) {
FILE *file = fopen(filename, "r");
long file_size = 0;
char *content = NULL;
int result = 0;
if (!file) {
perror("Error opening config file");
return -1;
}
fseek(file, 0, SEEK_END);
file_size = ftell(file);
fseek(file, 0, SEEK_SET);
content = (char *)malloc(file_size + 1);
if (!content) {
fclose(file);
return -1;
}
fread(content, 1, file_size, file);
content[file_size] = '\0';
fclose(file);
result = config_parse_string(config, content);
free(content);
return result;
}
// Getter functions
const char *config_get_key_mapping(config_t *config, const char *key_combo) {
key_mapping_t *mapping = config->key_mappings;
while (mapping) {
if (strcmp(mapping->key_combo, key_combo) == 0) {
return mapping->function_name;
}
mapping = mapping->next;
}
return NULL;
}
node_t *find_variable(config_t *config, const char *name) {
config_var_t *var = config->variables;
while (var) {
if (strcmp(var->name, name) == 0) {
return var->value;
}
var = var->next;
}
return NULL;
}
const char *config_get_string(config_t *config, const char *path,
const char *default_value) {
node_t *node = find_variable(config, path);
if (node && node->type == NODE_STRING) {
return node->data.string;
}
return default_value;
}
int config_get_int(config_t *config, const char *path, int default_value) {
node_t *node = find_variable(config, path);
if (node && node->type == NODE_NUMBER) {
return (int)node->data.number;
}
return default_value;
}
double config_get_double(config_t *config, const char *path,
double default_value) {
node_t *node = find_variable(config, path);
if (node && node->type == NODE_NUMBER) {
return node->data.number;
}
return default_value;
}
bool config_get_bool(config_t *config, const char *path, bool default_value) {
node_t *node = find_variable(config, path);
if (node && node->type == NODE_BOOLEAN) {
return node->data.boolean;
}
return default_value;
}
void config_print_all(config_t *config) {
printf("Key Mappings:\n");
printf("%-20s -> %s\n", "Key Combination", "Function");
printf("%-20s %s\n", "---------------", "--------");
key_mapping_t *mapping = config->key_mappings;
while (mapping) {
printf("%-20s -> %s\n", mapping->key_combo, mapping->function_name);
mapping = mapping->next;
}
printf("\nVariables:\n");
printf("%-20s = %s\n", "Name", "Value");
printf("%-20s %s\n", "----", "-----");
config_var_t *var = config->variables;
while (var) {
printf("%-20s = ", var->name);
switch (var->value->type) {
case NODE_STRING:
printf("\"%s\"", var->value->data.string);
break;
case NODE_NUMBER:
printf("%g", var->value->data.number);
break;
case NODE_BOOLEAN:
printf("%s", var->value->data.boolean ? "true" : "false");
break;
case NODE_SYMBOL:
printf("%s", var->value->data.symbol);
break;
default:
printf("[unknown type]");
break;
}
printf("\n");
var = var->next;
}
}
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#include "../include/data.h"
#include "../include/define.h"
#include <string.h>
void advance_char(lexer_t *lexer) {
if (lexer->current_char == '\n') {
lexer->line++;
lexer->column = 1;
} else {
lexer->column++;
}
lexer->pos++;
lexer->current_char = lexer->input[lexer->pos];
}
void skip_whitespace(lexer_t *lexer) {
while (isspace(lexer->current_char) && lexer->current_char != '\n') {
advance_char(lexer);
}
}
void skip_comment(lexer_t *lexer) {
if (lexer->current_char == '/' && lexer->input[lexer->pos + 1] == '/') {
while (lexer->current_char != '\n' && lexer->current_char != '\0') {
advance_char(lexer);
}
}
}
// Node creation functions
node_t *create_node(node_type_t type) {
node_t *node = malloc(sizeof(node_t));
if (!node)
return NULL;
memset(node, 0, sizeof(node_t));
node->type = type;
return node;
}
node_t *create_symbol_node(const char *symbol) {
node_t *node = create_node(NODE_SYMBOL);
if (node) {
strncpy(node->data.symbol, symbol, MAX_SYMBOL_LENGTH - 1);
node->data.symbol[MAX_SYMBOL_LENGTH - 1] = '\0';
}
return node;
}
node_t *create_string_node(const char *string) {
node_t *node = create_node(NODE_STRING);
if (node) {
strncpy(node->data.string, string, MAX_STRING_LENGTH - 1);
node->data.string[MAX_STRING_LENGTH - 1] = '\0';
}
return node;
}
node_t *create_number_node(double number) {
node_t *node = create_node(NODE_NUMBER);
if (node) {
node->data.number = number;
}
return node;
}
node_t *create_boolean_node(bool value) {
node_t *node = create_node(NODE_BOOLEAN);
if (node) {
node->data.boolean = value;
}
return node;
}
node_t *create_function_ref_node(const char *function_name) {
node_t *node = create_node(NODE_FUNCTION_REF);
if (node) {
strncpy(node->data.function_ref, function_name, MAX_SYMBOL_LENGTH - 1);
node->data.function_ref[MAX_SYMBOL_LENGTH - 1] = '\0';
}
return node;
}
node_t *create_function_call_node(const char *function_name) {
node_t *node = create_node(NODE_FUNCTION_CALL);
if (node) {
strncpy(node->data.call.function_name, function_name,
MAX_SYMBOL_LENGTH - 1);
node->data.call.function_name[MAX_SYMBOL_LENGTH - 1] = '\0';
node->data.call.arg_count = 0;
}
return node;
}
void add_arg_to_call(node_t *call, node_t *arg) {
if (call->type == NODE_FUNCTION_CALL &&
call->data.call.arg_count < MAX_ARGS) {
call->data.call.args[call->data.call.arg_count++] = arg;
}
}
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#include "../include/lexer.h"
#include <stdio.h>
token_t next_token(lexer_t *lexer) {
token_t token = {0};
token.line = lexer->line;
token.column = lexer->column;
skip_whitespace(lexer);
skip_comment(lexer);
skip_whitespace(lexer);
if (lexer->current_char == '\0') {
token.type = TOKEN_EOF;
return token;
}
// Newline (statement separator)
if (lexer->current_char == '\n') {
token.type = TOKEN_NEWLINE;
advance_char(lexer);
return token;
}
// Comma (function call indicator)
if (lexer->current_char == ',') {
token.type = TOKEN_COMMA;
token.value[0] = ',';
token.value[1] = '\0';
advance_char(lexer);
return token;
}
// Percent (function reference indicator)
if (lexer->current_char == '%') {
token.type = TOKEN_PERCENT;
token.value[0] = '%';
token.value[1] = '\0';
advance_char(lexer);
return token;
}
// Parentheses
if (lexer->current_char == '(') {
token.type = TOKEN_LPAREN;
token.value[0] = '(';
token.value[1] = '\0';
advance_char(lexer);
return token;
}
if (lexer->current_char == ')') {
token.type = TOKEN_RPAREN;
token.value[0] = ')';
token.value[1] = '\0';
advance_char(lexer);
return token;
}
// Strings
if (lexer->current_char == '"') {
token.type = TOKEN_STRING;
advance_char(lexer); // Skip opening quote
int i = 0;
while (lexer->current_char != '"' && lexer->current_char != '\0' &&
i < MAX_TOKEN_LENGTH - 1) {
if (lexer->current_char == '\\' && lexer->input[lexer->pos + 1] != '\0') {
advance_char(lexer);
switch (lexer->current_char) {
case 'n':
token.value[i++] = '\n';
break;
case 't':
token.value[i++] = '\t';
break;
case 'r':
token.value[i++] = '\r';
break;
case '\\':
token.value[i++] = '\\';
break;
case '"':
token.value[i++] = '"';
break;
default:
token.value[i++] = lexer->current_char;
break;
}
} else {
token.value[i++] = lexer->current_char;
}
advance_char(lexer);
}
token.value[i] = '\0';
if (lexer->current_char == '"') {
advance_char(lexer); // Skip closing quote
}
return token;
}
// Numbers, symbols, and booleans
if (isalnum(lexer->current_char) || lexer->current_char == '-' ||
lexer->current_char == '+' || lexer->current_char == '.' ||
lexer->current_char == '_') {
int i = 0;
while (
(isalnum(lexer->current_char) || strchr("-+._", lexer->current_char)) &&
i < MAX_TOKEN_LENGTH - 1) {
token.value[i++] = lexer->current_char;
advance_char(lexer);
}
token.value[i] = '\0';
// Check for booleans
if (strcmp(token.value, "true") == 0 || strcmp(token.value, "false") == 0) {
token.type = TOKEN_BOOLEAN;
} else {
// Check for numbers
char *endptr;
strtod(token.value, &endptr);
if (*endptr == '\0' && strlen(token.value) > 0 &&
(isdigit(token.value[0]) || token.value[0] == '-' ||
token.value[0] == '+')) {
token.type = TOKEN_NUMBER;
} else {
token.type = TOKEN_SYMBOL;
}
}
return token;
}
// Error case
token.type = TOKEN_ERROR;
snprintf(token.value, MAX_TOKEN_LENGTH, "Unexpected character '%c'",
lexer->current_char);
return token;
}
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#include "../include/parser.h"
node_t *parse_atom(lexer_t *lexer, token_t *token) {
switch (token->type) {
case TOKEN_SYMBOL:
return create_symbol_node(token->value);
case TOKEN_STRING:
return create_string_node(token->value);
case TOKEN_NUMBER:
return create_number_node(atof(token->value));
case TOKEN_BOOLEAN:
return create_boolean_node(strcmp(token->value, "true") == 0);
case TOKEN_PERCENT: {
// Parse function reference: %function-name
token_t next = next_token(lexer);
if (next.type == TOKEN_SYMBOL) {
return create_function_ref_node(next.value);
}
return NULL;
}
default:
return NULL;
}
}
node_t *parse_function_call(lexer_t *lexer, const char *function_name) {
node_t *call = create_function_call_node(function_name);
if (!call)
return NULL;
token_t token = next_token(lexer);
if (token.type != TOKEN_LPAREN) {
// Function call without parentheses - no arguments
printf("no paren\n");
return call;
}
// Parse arguments
token = next_token(lexer);
while (token.type != TOKEN_RPAREN && token.type != TOKEN_EOF) {
node_t *arg = NULL;
if (token.type == TOKEN_PERCENT) {
// Function reference argument
token_t func_token = next_token(lexer);
if (func_token.type == TOKEN_SYMBOL) {
arg = create_function_ref_node(func_token.value);
}
} else {
// Regular argument
arg = parse_atom(lexer, &token);
}
if (arg) {
add_arg_to_call(call, arg);
}
token = next_token(lexer);
}
return call;
}
node_t *parse_statement(lexer_t *lexer) {
skip_whitespace(lexer);
skip_comment(lexer);
skip_whitespace(lexer);
token_t token = next_token(lexer);
if (token.type == TOKEN_COMMA) {
// Function call: ,function-name(args)
token_t func_token = next_token(lexer);
if (func_token.type == TOKEN_SYMBOL) {
return parse_function_call(lexer, func_token.value);
}
}
return NULL;
}