added options

CMakeLists.txt

@@ -82,6 +82,8 @@ set_target_properties(tomlc99
         OUTPUT_NAME "toml"
         ARCHIVE_OUTPUT_DIRECTORY ${GEMSTONE_BINARY_DIR}/dep)
 
+include_directories(${PROJECT_SOURCE_DIR}/dep/tomlc99)
+
 # ------------------------------------------------ #
 #  Source                                          #
 # ------------------------------------------------ #

src/cfg/opt.c

@@ -0,0 +1,118 @@
+//
+// Created by servostar on 5/31/24.
+//
+
+#include <cfg/opt.h>
+#include <string.h>
+#include <stdlib.h>
+
+TargetConfig default_target_config() {
+    TargetConfig config;
+
+    config.name = "debug";
+    config.print_ast = false;
+    config.print_asm = false;
+    config.print_ir = false;
+
+    return config;
+}
+
+TargetConfig default_target_config_from_args(int argc, char *argv[]) {
+    TargetConfig config = default_target_config();
+
+    for (int i = 0; i < argc; i++) {
+        char *option = argv[i];
+
+        if (strcmp(option, "--print-ast") == 0) {
+            config.print_ast = true;
+        } else if (strcmp(option, "--print-asm") == 0) {
+            config.print_asm = true;
+        } else if (strcmp(option, "--print-ir") == 0) {
+            config.print_ir = true;
+        }
+    }
+
+    return config;
+}
+
+void print_help(void) {
+    const char *lines[] = {
+            "Gemstone Compiler (C) GPL-2.0\n",
+            "Compile file(s): gsc <options> [files]",
+            "Build project (build.toml): gsc [directory] [target]|all",
+            "Options:",
+            "    --print-ast    print resulting abstract syntax tree to a file",
+            "    --print-asm    print resulting assembly language to a file",
+            "    --print-ir     print resulting LLVM-IR to a file"
+    };
+
+    for (unsigned int i = 0; i < sizeof(lines) / sizeof(const char *); i++) {
+        printf("%s\n", lines[i]);
+    }
+}
+
+#define PROJECT_OK 0
+#define PROJECT_TOML_ERR 1
+#define PROJECT_SEMANTIC_ERR 2
+
+static int parse_project_table(ProjectConfig *config, toml_table_t *project_table) {
+    // project name
+    toml_datum_t name = toml_string_in(project_table, "name");
+    if (!name.ok) {
+        printf("Invalid project configuration: project must have a name\n\n");
+        return PROJECT_SEMANTIC_ERR;
+    }
+
+    config->name = name.u.s;
+
+    // project version
+    toml_datum_t version = toml_string_in(project_table, "version");
+    if (version.ok) {
+        config->name = version.u.s;
+    }
+
+    // author names
+    toml_array_t *authors = toml_array_in(project_table, "authors");
+    if (authors) {
+        unsigned int len = 0;
+        config->authors = malloc(sizeof(const char *) * 2);
+
+        for (int i = 0;; i++) {
+            toml_datum_t author = toml_string_at(authors, i);
+            if (!author.ok)
+                break;
+
+            char** new_authors = realloc(config->authors, sizeof(const char *) * ++len);
+            config->authors = new_authors;
+            config->authors[len] = author.u.s;
+        }
+    }
+}
+
+int load_project_config(ProjectConfig *config) {
+    FILE *config_file = fopen("build.toml", "r");
+    if (config_file == NULL) {
+        return PROJECT_TOML_ERR;
+    }
+
+    char err_buf[200];
+
+    toml_table_t *conf = toml_parse_file(config_file, err_buf, sizeof(err_buf));
+    fclose(config_file);
+
+    if (!conf) {
+        printf("Invalid project configuration: %s\n\n", err_buf);
+        return PROJECT_SEMANTIC_ERR;
+    }
+
+    toml_table_t *project = toml_table_in(conf, "project");
+    if (project) {
+        parse_project_table(config, project);
+
+        return PROJECT_OK;
+    }
+    printf("Invalid project configuration: missing project table\n\n");
+
+    toml_free(conf);
+    return PROJECT_SEMANTIC_ERR;
+}

src/cfg/opt.h

@@ -0,0 +1,34 @@
+//
+// Created by servostar on 5/31/24.
+//
+
+#ifndef GEMSTONE_OPT_H
+#define GEMSTONE_OPT_H
+
+#include <toml.h>
+
+typedef struct TargetConfig_t {
+    char* name;
+    bool print_ast;
+    bool print_asm;
+    bool print_ir;
+} TargetConfig;
+
+typedef struct ProjectConfig_t {
+    // name of the project
+    char* name;
+    // description
+    char* desc;
+    // version
+    char* version;
+    // list of authors
+    char** authors;
+} ProjectConfig;
+
+TargetConfig default_target_config();
+
+TargetConfig default_target_config_from_args(int argc, char* argv[]);
+
+void print_help(void);
+
+#endif //GEMSTONE_OPT_H

src/main.c

@@ -9,10 +9,6 @@
 
 extern FILE *yyin;
 
-// Global array to store options
-char options[5][10];
-int num_options = 0;
-
 /**
  * @brief Log a debug message to inform about beginning exit procedures
  *
@@ -20,34 +16,6 @@ int num_options = 0;
 void notify_exit(void) { DEBUG("Exiting gemstone..."); }
 
 
-/**
- * @brief add option to global option array
- *
- */
-
-void add_option(const char* option) {
-    if (num_options < 5 ) {
-        strcpy(options[num_options], option);
-        num_options++;
-    } else {
-        PANIC("Too Many Options given");
-    }
-}
-
-/**
- * @brief Check if Option is set
- *
- */
-
-size_t check_option(const char* name) {
-    for (int i = 0; i < num_options; i++) {
-        if (strcmp(options[i], name) == 0) {
-            return 1;
-        }
-    }
-    return 0;
-}
-
 /**
  * @brief Closes File after compiling.
  *
@@ -84,18 +52,6 @@ void setup(void) {
 
 int main(int argc, char *argv[]) {
 
-   // Iteration through arguments
-    for (int i = 1; i < argc; i++) {
-        // Check if the argument starts with "--"
-        if (argv[i][0] == '-' && argv[i][1] == '-') {
-            // Extract option name
-            char option[10];
-            strcpy(option, argv[i] + 2);
-
-            // Add option to the global array
-            add_option(option);
-        }
-    }
   setup();
   atexit(close_file);