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author | June McEnroe <june@causal.agency> | 2016-10-04 12:44:16 -0400 |
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committer | June McEnroe <june@causal.agency> | 2016-10-04 12:44:46 -0400 |
commit | 0a57f186b7ab83e014bded3b582f9d50b0ad3fbc (patch) | |
tree | e19c48531a1ef9974ef22957f6025a64d5d54025 | |
parent | Try ops first in rpn (diff) | |
download | src-0a57f186b7ab83e014bded3b582f9d50b0ad3fbc.tar.gz src-0a57f186b7ab83e014bded3b582f9d50b0ad3fbc.zip |
Add quoting to rpn
-rwxr-xr-x | .bin/rpn.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/.bin/rpn.c b/.bin/rpn.c index 0fcf7933..d3fe0667 100755 --- a/.bin/rpn.c +++ b/.bin/rpn.c @@ -35,6 +35,7 @@ static struct { int64_t data[1024]; size_t len; int radix; + char op; } stack = { .radix = 10 }; static void push(int64_t val) { @@ -48,6 +49,19 @@ static int64_t pop(void) { } static bool stack_op(char op) { + if (stack.op == '\'') { + push(op); + stack.op = 0; + return true; + } + if (stack.op == '"') { + if (op == '"') + stack.op = 0; + else + push(op); + return true; + } + int64_t a, b; switch (op) { case '$': pop(); @@ -71,6 +85,7 @@ static bool stack_op(char op) { break; case 'o': stack.radix = 8; break; case 'd': stack.radix = 10; break; case 'x': stack.radix = 16; + break; case '\'': case '"': stack.op = op; break; default: return false; } return true; |