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Fix #158

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This commit is contained in:
Dale Weiler 2016-11-24 14:08:38 +00:00
parent 966991601c
commit 69fa4f8dbd
1 changed files with 46 additions and 0 deletions
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46
parser.cpp
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@ -3120,6 +3120,52 @@ static bool parse_switch_go(parser_t *parser, ast_block *block, ast_expression *
return false;
}
swcase.m_value = parse_expression_leave(parser, false, false, false);
if (!operand->compareType(*swcase.m_value)) {
char ty1[1024];
char ty2[1024];
ast_type_to_string(swcase.m_value, ty1, sizeof ty1);
ast_type_to_string(operand, ty2, sizeof ty2);
auto fnLiteral = [](ast_expression *expression) -> char* {
if (!ast_istype(expression, ast_value))
return nullptr;
ast_value *value = (ast_value *)expression;
if (!value->m_hasvalue)
return nullptr;
char *string = nullptr;
basic_value_t *constval = &value->m_constval;
switch (value->m_vtype)
{
case TYPE_FLOAT:
util_asprintf(&string, "%.2f", constval->vfloat);
return string;
case TYPE_VECTOR:
util_asprintf(&string, "'%.2f %.2f %.2f'",
constval->vvec.x,
constval->vvec.y,
constval->vvec.z);
return string;
case TYPE_STRING:
util_asprintf(&string, "\"%s\"", constval->vstring);
return string;
default:
break;
}
return nullptr;
};
char *literal = fnLiteral(swcase.m_value);
if (literal)
compile_error(parser_ctx(parser), "incompatible type `%s` for switch case `%s` expected `%s`", ty1, literal, ty2);
else
compile_error(parser_ctx(parser), "incompatible type `%s` for switch case expected `%s`", ty1, ty2);
mem_d(literal);
delete switchnode;
return false;
}
if (!swcase.m_value) {
delete switchnode;
parseerror(parser, "expected expression for case");