1 files changed, 153 insertions, 0 deletions
diff --git a/Cool/compile.py b/Cool/compile.py
new file mode 100644
index 0000000..9c19403
--- /dev/null
+++ b/Cool/compile.py
@@ -0,0 +1,153 @@
+#!/usr/bin/env python3
+import sys
+import re
+import argparse
+
+TYPE_SPECIFIERS = {
+    'int': '%d',
+    'int32_t': '%d',
+    'short': '%d',
+    'long': '%ld',
+    'unsigned': '%u',
+    'unsigned int': '%u',
+    'uint32_t': '%u',
+    'size_t': '%zu',
+    'float': '%f',
+    'double': '%f',
+    'char': '%c',
+    'char*': '%s',
+    'const char*': '%s',
+    'char *': '%s',
+    'const char *': '%s',
+}
+
+def parse_parameters(args_str: str) -> dict:
+    param_map = {}
+    if not args_str or args_str == 'void':
+        return param_map
+
+    params = args_str.split(',')
+    for param in params:
+        param = param.strip()
+        if not param:
+            continue
+        
+        match = re.match(r'^(.*?)\b([A-Za-z0-9_]+)$', param)
+        if match:
+            type_part = match.group(1).strip()
+            var_name = match.group(2).strip()
+            
+            type_clean = re.sub(r'\s*\*\s*', '*', type_part)
+            specifier = TYPE_SPECIFIERS.get(type_clean, '%d')
+            param_map[var_name] = (type_clean, specifier)
+            
+    return param_map
+
+def escape_c_string(text: str) -> str:
+    return (text.replace('\\', '\\\\')
+                .replace('"', '\\"')
+                .replace('\r', '')
+                .replace('\n', '\\n'))
+
+def transpile_cool(cool_code: str, filename: str = "<stdin>") -> str:
+    lines = cool_code.splitlines(keepends=True)
+    c_output = []
+    
+    cool_func_re = re.compile(r'^\s*COOL\s+void\s+([A-Za-z0-9_]+)\s*\((.*?)\)\s*\{\s*$')
+    
+    in_cool_func = False
+    current_func = ""
+    raw_buffer = []
+    local_scope = {}
+
+    def flush_raw_buffer():
+        nonlocal raw_buffer
+        if raw_buffer:
+            combined = "".join(raw_buffer)
+            if combined:
+                escaped = escape_c_string(combined)
+                c_output.append(f'    cool_html_raw(COOL_SV("{escaped}"));\n')
+            raw_buffer = []
+
+    for line_num, line in enumerate(lines, start=1):
+        match = cool_func_re.match(line)
+        
+        if match and not in_cool_func:
+            in_cool_func = True
+            current_func, args = match.groups()
+            args_str = args.strip() if args.strip() else "void"
+            
+            local_scope = parse_parameters(args_str)
+            c_output.append(f"void {current_func}({args_str}) {{\n")
+            continue
+
+        if in_cool_func:
+            if line.strip() == "}":
+                flush_raw_buffer()
+                c_output.append("}\n\n")
+                in_cool_func = False
+                current_func = ""
+                local_scope = {}
+                continue
+
+            # Tokenize line into @Component(), { expression }, and plain HTML
+            tokens = re.split(r'(@[A-Za-z0-9_]+\s*\([^)]*\)|\{[^{}]+\})', line)
+
+            for token in tokens:
+                if not token:
+                    continue
+                
+                # @Component()
+                if token.startswith('@') and '(' in token:
+                    flush_raw_buffer()
+                    call_code = token[1:].strip()
+                    c_output.append(f"    {call_code};\n")
+                
+                # { expression }
+                elif token.startswith('{') and token.endswith('}'):
+                    flush_raw_buffer()
+                    expr = token[1:-1].strip()
+                    
+                    if expr in local_scope:
+                        type_clean, specifier = local_scope[expr]
+                        
+                        if 'char*' in type_clean:
+                            c_output.append(f"    cool_html_txt({expr}, strlen({expr}));\n")
+                        else:
+                            c_output.append(f'    cool_htmlf_raw("{specifier}", {expr});\n')
+                    else:
+                        available = ", ".join(f"'{p}'" for p in local_scope.keys()) if local_scope else "none"
+                        sys.stderr.write(
+                            f"\n[Transpiler Error] {filename}:{line_num}: "
+                            f"Expression '{{{expr}}}' in function '{current_func}' does not match any parameter.\n"
+                            f"  -> Available parameter(s): {available}\n\n"
+                        )
+                        sys.exit(1)
+                
+                # Raw HTML text
+                else:
+                    raw_buffer.append(token)
+        else:
+            c_output.append(line)
+
+    return "".join(c_output)
+
+def main():
+    parser = argparse.ArgumentParser(description="Transpiles .cool template files to C source code.")
+    parser.add_argument("input", help="Input .cool file")
+    parser.add_argument("-o", "--output", help="Output .c file")
+    args = parser.parse_args()
+
+    with open(args.input, "r", encoding="utf-8") as f:
+        cool_code = f.read()
+
+    transpiled_c = transpile_cool(cool_code, filename=args.input)
+
+    if args.output:
+        with open(args.output, "w", encoding="utf-8") as f:
+            f.write(transpiled_c)
+    else:
+        sys.stdout.write(transpiled_c)
+
+if __name__ == "__main__":
+    main()