From 76b011511ae7fbc041105af8a434fc25cb3e4678 Mon Sep 17 00:00:00 2001
From: servostar <sven.vogel123@web.de>
Date: Fri, 31 May 2024 19:09:28 +0200
Subject: [PATCH] targets are now read in

---
 src/cfg/opt.c | 110 +++++++++++++++++++++++++++++++++++++++++---------
 src/cfg/opt.h |   1 +
 2 files changed, 91 insertions(+), 20 deletions(-)

diff --git a/src/cfg/opt.c b/src/cfg/opt.c
index 95ec3a1..feeafcb 100644
--- a/src/cfg/opt.c
+++ b/src/cfg/opt.c
@@ -5,6 +5,8 @@
 #include <cfg/opt.h>
 #include <string.h>
 
+#define MAX_TARGETS_PER_PROJECT 100
+
 TargetConfig default_target_config() {
     TargetConfig config;
 
@@ -64,26 +66,45 @@ void print_help(void) {
 #define PROJECT_TOML_ERR 1
 #define PROJECT_SEMANTIC_ERR 2
 
+static void get_bool(bool* boolean, toml_table_t *table, const char* name) {
+    toml_datum_t datum = toml_bool_in(table, name);
+
+    if (datum.ok) {
+        *boolean = datum.u.b;
+    }
+}
+
+static void get_str(char** string, toml_table_t *table, const char* name) {
+    toml_datum_t datum = toml_string_in(table, name);
+
+    if (datum.ok) {
+        *string = datum.u.s;
+    }
+}
+
+static void get_int(int* integer, toml_table_t *table, const char* name) {
+    toml_datum_t datum = toml_int_in(table, name);
+
+    if (datum.ok) {
+        *integer = (int) datum.u.i;
+    }
+}
+
 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) {
+    get_str(&config->name, project_table, "version");
+    if (config->name == NULL) {
         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;
-    }
+    get_str(&config->name, project_table, "version");
 
     // author names
     toml_array_t *authors = toml_array_in(project_table, "authors");
     if (authors) {
-        config->authors = g_array_new(FALSE, FALSE, sizeof(char*));
+        config->authors = g_array_new(FALSE, FALSE, sizeof(char *));
 
         for (int i = 0;; i++) {
             toml_datum_t author = toml_string_at(authors, i);
@@ -95,15 +116,63 @@ static int parse_project_table(ProjectConfig *config, toml_table_t *project_tabl
     }
 
     // project description
-    toml_datum_t description = toml_string_in(project_table, "description");
-    if (description.ok) {
-        config->desc = description.u.s;
+    get_str(&config->desc, project_table, "description");
+    // project license
+    get_str(&config->license, project_table, "license");
+
+    return PROJECT_OK;
+}
+
+static int get_mode_from_str(TargetCompilationMode* mode, const char* name) {
+    if (strcmp(name, "application") == 0) {
+        *mode = Application;
+        return PROJECT_OK;
+    } else if (strcmp(name, "library") == 0) {
+        *mode = Library;
+        return PROJECT_OK;
+    }
+    printf("Invalid project configuration, mode is invalid: %s\n\n", name);
+    return PROJECT_SEMANTIC_ERR;
+}
+
+static int parse_target(ProjectConfig *config, toml_table_t *target_table, const char* name) {
+    TargetConfig target_config = default_target_config();
+
+    target_config.name = (char*) name;
+
+    get_bool(&target_config.print_ast, target_table, "print_ast");
+    get_bool(&target_config.print_asm, target_table, "print_asm");
+    get_bool(&target_config.print_ir, target_table, "print_ir");
+
+    get_str(&target_config.root_module, target_table, "root");
+    get_str(&target_config.output_directory, target_table, "output");
+    get_str(&target_config.archive_directory, target_table, "archive");
+
+    get_int(&target_config.optimization_level, target_table, "opt");
+
+    char* mode = NULL;
+    get_str(&mode, target_table, "mode");
+    int err = get_mode_from_str(&target_config.mode, mode);
+    if (err != PROJECT_OK) {
+        return err;
     }
 
-    // project license
-    toml_datum_t license = toml_string_in(project_table, "license");
-    if (license.ok) {
-        config->license = license.u.s;
+    g_array_append_val(config->targets, target_config);
+
+    return PROJECT_OK;
+}
+
+static int parse_targets(ProjectConfig *config, toml_table_t *root) {
+    toml_table_t *targets = toml_table_in(root, "target");
+
+    for (int i = 0; i < MAX_TARGETS_PER_PROJECT; i++) {
+        const char *key = toml_key_in(targets, i);
+
+        if (!key)
+            break;
+
+        toml_table_t *target = toml_table_in(targets, key);
+        parse_target(config, target, key);
     }
 
     return PROJECT_OK;
@@ -127,11 +196,12 @@ int load_project_config(ProjectConfig *config) {
 
     toml_table_t *project = toml_table_in(conf, "project");
     if (project) {
-        parse_project_table(config, project);
-
-        return PROJECT_OK;
+        if (parse_project_table(config, project) == PROJECT_OK) {
+            return parse_targets(config, project);
+        }
+    } else {
+        printf("Invalid project configuration: missing project table\n\n");
     }
-    printf("Invalid project configuration: missing project table\n\n");
 
     toml_free(conf);
     return PROJECT_SEMANTIC_ERR;
diff --git a/src/cfg/opt.h b/src/cfg/opt.h
index c407523..ec259e9 100644
--- a/src/cfg/opt.h
+++ b/src/cfg/opt.h
@@ -42,6 +42,7 @@ typedef struct ProjectConfig_t {
     char* license;
     // list of authors
     GArray* authors;
+    GArray* targets;
 } ProjectConfig;
 
 TargetConfig default_target_config();