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-rwxr-xr-xemscripten.py25
1 files changed, 23 insertions, 2 deletions
diff --git a/emscripten.py b/emscripten.py
index 6d384a96..649b3c0b 100755
--- a/emscripten.py
+++ b/emscripten.py
@@ -303,6 +303,7 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
# calculations on merged forwarded data
forwarded_json['Functions']['indexedFunctions'] = {}
i = 2
+ if settings['ASM_JS']: i += 2*settings['RESERVED_FUNCTION_POINTERS']
for indexed in indexed_functions:
#print >> sys.stderr, 'indaxx', indexed, i
forwarded_json['Functions']['indexedFunctions'][indexed] = i # make sure not to modify this python object later - we use it in indexize
@@ -379,7 +380,16 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
params = ','.join(['p%d' % p for p in range(len(sig)-1)])
coercions = ';'.join(['p%d = %sp%d%s' % (p, '+' if sig[p+1] != 'i' else '', p, '' if sig[p+1] != 'i' else '|0') for p in range(len(sig)-1)]) + ';'
ret = '' if sig[0] == 'v' else ('return %s0' % ('+' if sig[0] != 'i' else ''))
- return ('function %s(%s) { %s abort(%d); %s }' % (bad, params, coercions, i, ret), raw.replace('[0,', '[' + bad + ',').replace(',0,', ',' + bad + ',').replace(',0,', ',' + bad + ',').replace(',0]', ',' + bad + ']').replace(',0]', ',' + bad + ']').replace(',0\n', ',' + bad + '\n'))
+ start = raw.index('[')
+ end = raw.rindex(']')
+ body = raw[start+1:end].split(',')
+ for j in range(settings['RESERVED_FUNCTION_POINTERS']):
+ body[2 + 2*j] = 'jsCall_%s_%s' % (sig, j)
+ def fix_item(item):
+ newline = '\n' in item
+ return (bad if item.replace('\n', '') == '0' else item) + ('\n' if newline else '')
+ body = ','.join(map(fix_item, body))
+ return ('function %s(%s) { %s abort(%d); %s }' % (bad, params, coercions, i, ret), raw[:start+1] + body + raw[end:])
infos = [make_table(sig, raw) for sig, raw in last_forwarded_json['Functions']['tables'].iteritems()]
function_tables_defs = '\n'.join([info[0] for info in infos]) + '\n// EMSCRIPTEN_END_FUNCS\n' + '\n'.join([info[1] for info in infos])
@@ -389,6 +399,7 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
math_envs = ['Math.min'] # TODO: move min to maths
asm_setup += '\n'.join(['var %s = %s;' % (f.replace('.', '_'), f) for f in math_envs])
basic_funcs = ['abort', 'assert', 'asmPrintInt', 'asmPrintFloat', 'copyTempDouble', 'copyTempFloat'] + [m.replace('.', '_') for m in math_envs]
+ if settings['RESERVED_FUNCTION_POINTERS'] > 0: basic_funcs.append('jsCall')
if settings['SAFE_HEAP']: basic_funcs += ['SAFE_HEAP_LOAD', 'SAFE_HEAP_STORE', 'SAFE_HEAP_CLEAR']
if settings['CHECK_HEAP_ALIGN']: basic_funcs += ['CHECK_ALIGN_2', 'CHECK_ALIGN_4', 'CHECK_ALIGN_8']
basic_vars = ['STACKTOP', 'STACK_MAX', 'tempDoublePtr', 'ABORT']
@@ -404,7 +415,7 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
def asm_coerce(value, sig):
if sig == 'v': return value
return ('+' if sig != 'i' else '') + value + ('|0' if sig == 'i' else '')
-
+
function_tables = ['dynCall_' + table for table in last_forwarded_json['Functions']['tables']]
function_tables_impls = []
for sig in last_forwarded_json['Functions']['tables'].iterkeys():
@@ -419,6 +430,16 @@ def emscript(infile, settings, outfile, libraries=[], compiler_engine=None,
%s;
}
''' % (sig, ',' if len(sig) > 1 else '', args, arg_coercions, ret))
+
+ for i in range(settings['RESERVED_FUNCTION_POINTERS']):
+ jsret = ('return ' if sig[0] != 'v' else '') + asm_coerce('jsCall(%d%s%s)' % (i, ',' if coerced_args else '', coerced_args), sig[0])
+ function_tables_impls.append('''
+ function jsCall_%s_%s(%s) {
+ %s
+ %s;
+ }
+
+''' % (sig, i, args, arg_coercions, jsret))
args = ','.join(['a' + str(i) for i in range(1, len(sig))])
args = 'index' + (',' if args else '') + args
asm_setup += '''