Change C string literal type to array of char.

.hgignore

@@ -22,7 +22,16 @@ docs/_build
 docs/examples.zip
 examples/linux64/hello/hello
 examples/linux64/snake/snake
+examples/linux64/fib/main
+examples/linux64/algos/main
+examples/linux64/wasm_fac/wasm_fact
+examples/m68k/demo
+examples/microblaze/hello/trace.txt
+examples/python/generated_python_structs.py
+examples/python/python_snake2.py
+examples/riscvpicorv32/picorv
 examples/toydsl/dslenv
+examples/toydsl/example
 .pytest_cache/
 test/.coverage
 test/listings
@@ -31,6 +40,8 @@ test/FORTRAN
 .mypy_cache
 *report.html
 tools/report*.html
+tools/ppci_explorer_source.txt
+tools/arch_info.html
 .cache
 .coverage
 htmlcov

docs/development.rst

@@ -108,6 +108,17 @@ pyprof2calltree.
     $ pip install pyprof2calltree
     $ pyprof2calltree -i profiled.out -k
 
+Debugging tests
+~~~~~~~~~~~~~~~
+
+To debug test cases, a handy trick is to use pudb (when not using fancy ide
+like vscode or pycharm). To do this, specify the debugger to use with pytest
+like this:
+
+.. code:: bash
+
+    $ pytest -v --pdb --pdbcls pudb.debugger:Debugger --capture=no
+
 Debugging dynamic code
 ~~~~~~~~~~~~~~~~~~~~~~
 

examples/c/hello/std.c

@@ -1,6 +1,6 @@
 
 #include "std.h"
 
-void printf()
+void printf(char* x)
 {
 }

examples/c/hello/std.h

@@ -1,2 +1,2 @@
 
-void printf();
+void printf(char*);

examples/python/python_snake.py

@@ -1,35 +1,40 @@
 import io
-from ppci.api import ir_to_python, c3toir, get_arch
+from ppci.api import ir_to_python, c3_to_ir, get_arch
 
 
 def run_it():
-    arch = get_arch('example')
-    bsp = io.StringIO("""
+    arch = get_arch("example")
+    bsp = io.StringIO(
+        """
     module bsp;
     public function void sleep(int ms);
     public function void putc(byte c);
     public function bool get_key(int* key);
-    """)
+    """
+    )
 
-    ircode = c3toir(
-        ['../src/snake/game.c3', '../src/snake/main.c3', '../../librt/io.c3'],
-        [bsp], arch)
+    ircode = c3_to_ir(
+        ["../src/snake/game.c3", "../src/snake/main.c3", "../../librt/io.c3"],
+        [bsp],
+        arch,
+    )
 
-    with open('python_snake2.py', 'w') as f:
-        print('import time', file=f)
-        print('import sys', file=f)
-        print('import threading', file=f)
-        ir_to_python(ircode, f)
+    with open("python_snake2.py", "w") as f:
+        print("import time", file=f)
+        print("import sys", file=f)
+        print("import threading", file=f)
+        ir_to_python([ircode], f)
 
-        print('', file=f)
-        print('def bsp_putc(c):', file=f)
+        print("", file=f)
+        print("def bsp_putc(c):", file=f)
         print('    print(chr(c), end="")', file=f)
-        print('def bsp_get_key(x):', file=f)
-        print('    return 0', file=f)
-        print('def bsp_sleep(x):', file=f)
-        print('    time.sleep(x*0.001)', file=f)
-        print('main_main()', file=f)
+        print("def bsp_get_key(x):", file=f)
+        print("    return 0", file=f)
+        print("def bsp_sleep(x):", file=f)
+        print("    time.sleep(x*0.001)", file=f)
+        print("main_main()", file=f)
+
+    print("Now run python_snake2.py !")
 
-    print('Now run python_snake2.py !')
 
 run_it()

librt/libc/assert.h

@@ -1,6 +1,7 @@
 #ifndef ASSERT_H
 #define ASSERT_H
 
-#define assert(x)
+// do nothing for now..
+#define assert(x) (0)
 
 #endif