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Fix/refactor value handling: value strings are now parsed in ast_transformation and re-escaped in c_generator, and used raw in bytecode_generator

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Nathan Braswell
2018-03-19 21:03:06 -04:00
parent 8907e44cad
commit 91768a042e
4 changed files with 36 additions and 14 deletions
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28
stdlib/ast_transformation.krak
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@@ -504,9 +504,33 @@ obj ast_transformation (Object) {
fun transform_value(node: *tree<symbol>, scope: *ast_node): *ast_node {
var value_str = concat_symbol_tree(node)
var value_type = null<type>()
if (value_str[0] == '"') // " // Comment hack for emacs now
if (value_str[0] == '"') { // " // Comment hack for emacs now
value_type = type_ptr(base_type::character(), 1)
else if (value_str[0] == '\'') //'// lol, comment hack for vim syntax highlighting (my fault, of course)
var start = 1
var end = value_str.length() -1
if (value_str.length() > 3 && value_str[1] == '"' && value_str[2] == '"') {
value_str = value_str.slice(3,-4)
} else {
var new_str.construct(end-start): string
var escaped = false
for (var i = 1; i < value_str.length()-1; i++;) {
if (escaped) {
escaped = false
if (value_str[i] == 'n')
new_str += '\n'
else if (value_str[i] == 't')
new_str += '\t'
else
new_str += value_str[i]
} else if (value_str[i] == '\\') {
escaped = true
} else {
new_str += value_str[i]
}
}
value_str = new_str
}
} else if (value_str[0] == '\'') //'// lol, comment hack for vim syntax highlighting (my fault, of course)
value_type = type_ptr(base_type::character())
else if (value_str == "true" || value_str == "false")
value_type = type_ptr(base_type::boolean())