python-emscripten  Check-in [fea1e09c30]

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Overview
Comment:Upgrade to new emscripten_log prototype in 1.39.12
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SHA3-256: fea1e09c300cc0fdbe12f5976fea346d8271f4ae585a935ee8b20260c15eeaea
User & Date: Beuc 2020-04-18 11:53:48
Context
2020-04-20
13:45
Tidy JavaScript snippets check-in: 1da4ec9b97 user: Beuc tags: trunk
2020-04-18
11:53
Upgrade to new emscripten_log prototype in 1.39.12 check-in: fea1e09c30 user: Beuc tags: trunk
2020-03-07
12:11
Typo check-in: 9b78bab422 user: Beuc tags: trunk
Changes
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Changes to emscripten.pyx.

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        EM_LOG_JS_STACK
        EM_LOG_DEMANGLE
        EM_LOG_NO_PATHS
        EM_LOG_FUNC_PARAMS

    int emscripten_get_compiler_setting(const char *name)
    void emscripten_debugger()
    void emscripten_log(int flags, ...)
    int emscripten_get_callstack(int flags, char *out, int maxbytes)

LOG_CONSOLE = EM_LOG_CONSOLE
LOG_WARN = EM_LOG_WARN
LOG_ERROR = EM_LOG_ERROR
LOG_C_STACK = EM_LOG_C_STACK
LOG_JS_STACK = EM_LOG_JS_STACK







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        EM_LOG_JS_STACK
        EM_LOG_DEMANGLE
        EM_LOG_NO_PATHS
        EM_LOG_FUNC_PARAMS

    int emscripten_get_compiler_setting(const char *name)
    void emscripten_debugger()
    void emscripten_log(int flags, const char* format, ...)
    int emscripten_get_callstack(int flags, char *out, int maxbytes)

LOG_CONSOLE = EM_LOG_CONSOLE
LOG_WARN = EM_LOG_WARN
LOG_ERROR = EM_LOG_ERROR
LOG_C_STACK = EM_LOG_C_STACK
LOG_JS_STACK = EM_LOG_JS_STACK
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#   u'invalid compiler setting: EXPORTED_FUNCTIONS'  # :(

def debugger():
    emscripten_debugger()
# open the JavaScript console
# emscripten.debugger()

def log(flags, *args):
    # No variadic function support in Cython?
    # No va_arg variant for emscripten_log either.
    # Let's offer limited support
    cdef char* format
    cdef char* cstr


    if len(args) == 0:
        emscripten_log(flags)
    elif len(args) > 0:
        format = args[0]
        if len(args) == 1:
            emscripten_log(flags, format)
        elif len(args) == 2:
            arg = args[1]
            if type(arg) == int:
                emscripten_log(flags, format, <int>arg)
            elif type(arg) == float:
                emscripten_log(flags, format, <float>arg)
            elif type(arg) in (str, unicode):
                pystr = arg.encode('UTF-8')
                cstr = pystr
                emscripten_log(flags, format, cstr)
            else:
                pystr = ("emscripten.log: unsupported argument " + str(type(arg))).encode('UTF-8')
                cstr = pystr
                emscripten_log(flags, cstr)
        else:
            emscripten_log(flags, "emscripten.log: only up to 2 arguments are supported")
# import emscripten; emscripten.log(0, "hello %02d", 1)
# import emscripten; emscripten.log(emscripten.LOG_WARN|emscripten.LOG_CONSOLE|emscripten.LOG_C_STACK, "warning!")




def get_callstack(flags):
    cdef int size = emscripten_get_callstack(flags, NULL, 0)
    # "subsequent calls will carry different line numbers, so it is
    # best to allocate a few bytes extra to be safe"
    size += 1024
    cdef char* buf = <char*>PyMem_Malloc(size)







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#   u'invalid compiler setting: EXPORTED_FUNCTIONS'  # :(

def debugger():
    emscripten_debugger()
# open the JavaScript console
# emscripten.debugger()

def log(flags, fmt, *args):
    # No variadic function support in Cython?
    # No va_arg variant for emscripten_log either.
    # Let's offer limited support
    cdef char* cstr
    cdef char* cformat
    pystrfmt = fmt.encode('UTF-8')
    cformat = pystrfmt
    if len(args) == 0:
        emscripten_log(flags, cformat)
    elif len(args) > 0:

        if len(args) == 1:


            arg = args[0]
            if type(arg) == int:
                emscripten_log(flags, cformat, <int>arg)
            elif type(arg) == float:
                emscripten_log(flags, cformat, <float>arg)
            elif type(arg) in (str, unicode):
                pystr = arg.encode('UTF-8')
                cstr = pystr
                emscripten_log(flags, cformat, cstr)
            else:
                pystr = ("emscripten.log: unsupported argument " + str(type(arg))).encode('UTF-8')
                cstr = pystr
                emscripten_log(flags, cstr)
        else:
            emscripten_log(flags, "emscripten.log: only up to 2 arguments are supported")
# import emscripten; emscripten.log(0, "hello %02d", 1)
# import emscripten; emscripten.log(emscripten.LOG_WARN|emscripten.LOG_CONSOLE|emscripten.LOG_C_STACK, "warning!")
# emscripten_log doesn't to properly support UTF-8
# import emscripten; emscripten.log(0, u"é")
# import emscripten; emscripten.log(0, "%s", u"é")

def get_callstack(flags):
    cdef int size = emscripten_get_callstack(flags, NULL, 0)
    # "subsequent calls will carry different line numbers, so it is
    # best to allocate a few bytes extra to be safe"
    size += 1024
    cdef char* buf = <char*>PyMem_Malloc(size)