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parseh understands simple character literal macro

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This commit is contained in:
Andrew Kelley
2016-01-29 00:28:52 -07:00
parent 923e78785d
commit 9b2ed1fac5
5 changed files with 111 additions and 46 deletions
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16
src/ast_render.cpp
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@@ -497,6 +497,12 @@ static bool is_node_void(AstNode *node) {
return node->type == NodeTypeSymbol && buf_eql_str(&node->data.symbol_expr.symbol, "void");
}
static bool is_printable(uint8_t c) {
return (c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'A') ||
(c >= '0' && c <= '9');
}
static void render_node(AstRender *ar, AstNode *node) {
assert(node->type == NodeTypeRoot || *node->parent_field == node);
@@ -601,7 +607,15 @@ static void render_node(AstRender *ar, AstNode *node) {
case NodeTypeStringLiteral:
zig_panic("TODO");
case NodeTypeCharLiteral:
zig_panic("TODO");
{
uint8_t c = node->data.char_literal.value;
if (is_printable(c)) {
fprintf(ar->f, "'%c'", c);
} else {
fprintf(ar->f, "'\\x%x'", (int)c);
}
break;
}
case NodeTypeSymbol:
fprintf(ar->f, "%s", buf_ptr(&node->data.symbol_expr.symbol));
break;