support exponential literal
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parent
977345392f
commit
bd98dda5d0
34
src/read.c
34
src/read.c
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@ -236,6 +236,30 @@ read_uinteger(pic_state *pic, struct pic_port *port, int c, char buf[])
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return i;
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}
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static size_t
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read_suffix(pic_state *pic, struct pic_port *port, char buf[])
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{
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size_t i = 0;
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char c;
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c = peek(port);
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if (c != 'e' && c != 'E') {
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return i;
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}
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buf[i++] = next(port);
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switch ((c = next(port))) {
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case '-':
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case '+':
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buf[i++] = c;
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c = next(port);
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default:
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return i + read_uinteger(pic, port, c, buf + i);
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}
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}
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static pic_value
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read_number(pic_state *pic, struct pic_port *port, int c)
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{
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@ -246,14 +270,14 @@ read_number(pic_state *pic, struct pic_port *port, int c)
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switch (peek(port)) {
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case '.':
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do {
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buf[i++] = next(port);
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} while (isdigit(peek(port)));
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buf[i] = '\0';
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buf[i++] = next(port);
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i += read_uinteger(pic, port, next(port), buf + i);
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read_suffix(pic, port, buf + i);
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return pic_float_value(atof(buf));
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default:
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return pic_int_value(atoi(buf));
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read_suffix(pic, port, buf + i);
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return pic_int_value((int)atof(buf));
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}
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}
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