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Improve auto-generation of format conversion routines.

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This commit is contained in:
David Reid
2017-11-16 21:36:04 +10:00
parent 77128b0a05
commit 0a69454845
3 changed files with 36 additions and 79 deletions
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tools/malgen/source/malgen.cpp
+14 -2
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@@ -413,6 +413,15 @@ std::string malgen_format_op_param(const char* param)
}
}
// (lng) -> (mal_int64)
{
const char* src = "(lng)"; const char* dst = "(mal_int64)";
size_t loc = s.find(src);
if (loc != std::string::npos) {
s = s.replace(loc, strlen(src), dst);
}
}
return s;
}
@@ -456,11 +465,14 @@ std::string malgen_generate_code__conversion_func_inst(malgen_context* pContext,
code += "int "; code += pInst->params[0];
}
if (strcmp(pInst->name, "lng") == 0) {
code += "long long "; code += pInst->params[0];
code += "mal_int64 "; code += pInst->params[0];
}
if (strcmp(pInst->name, "flt") == 0) {
code += "float "; code += pInst->params[0];
}
if (strcmp(pInst->name, "dbl") == 0) {
code += "double "; code += pInst->params[0];
}
if (strcmp(pInst->name, "add") == 0) {
code += malgen_generate_code__conversion_func_inst_binary_op(pInst->params[0], pInst->params[1], pInst->params[2], "+");
@@ -487,7 +499,7 @@ std::string malgen_generate_code__conversion_func_inst(malgen_context* pContext,
}
if (strcmp(pInst->name, "sig") == 0) { // <-- This gets the sign of the first input parameter and moves it to the result.
code += pInst->params[0]; code += " = "; code += "((*((int*)&"; code += pInst->params[1]; code += ")) & 0x80000000) >> 31";
code += pInst->params[0]; code += " = "; code += "(("; code += pInst->params[1]; code += " < 0) ? 1 : 0)"; // ((a < 0) ? 1 : 0)
}
if (strcmp(pInst->name, "clip") == 0) { // clamp(a, -1, 1) -> r = ((a < -1) ? -1 : ((a > 1) ? 1 : a))