| 1 | n/a | |
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| 2 | n/a | /* List a node on a file */ |
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| 3 | n/a | |
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| 4 | n/a | #include "pgenheaders.h" |
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| 5 | n/a | #include "token.h" |
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| 6 | n/a | #include "node.h" |
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| 7 | n/a | |
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| 8 | n/a | /* Forward */ |
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| 9 | n/a | static void list1node(FILE *, node *); |
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| 10 | n/a | static void listnode(FILE *, node *); |
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| 11 | n/a | |
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| 12 | n/a | void |
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| 13 | n/a | PyNode_ListTree(node *n) |
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| 14 | n/a | { |
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| 15 | n/a | listnode(stdout, n); |
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| 16 | n/a | } |
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| 17 | n/a | |
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| 18 | n/a | static int level, atbol; |
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| 19 | n/a | |
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| 20 | n/a | static void |
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| 21 | n/a | listnode(FILE *fp, node *n) |
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| 22 | n/a | { |
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| 23 | n/a | level = 0; |
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| 24 | n/a | atbol = 1; |
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| 25 | n/a | list1node(fp, n); |
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| 26 | n/a | } |
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| 27 | n/a | |
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| 28 | n/a | static void |
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| 29 | n/a | list1node(FILE *fp, node *n) |
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| 30 | n/a | { |
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| 31 | n/a | if (n == 0) |
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| 32 | n/a | return; |
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| 33 | n/a | if (ISNONTERMINAL(TYPE(n))) { |
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| 34 | n/a | int i; |
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| 35 | n/a | for (i = 0; i < NCH(n); i++) |
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| 36 | n/a | list1node(fp, CHILD(n, i)); |
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| 37 | n/a | } |
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| 38 | n/a | else if (ISTERMINAL(TYPE(n))) { |
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| 39 | n/a | switch (TYPE(n)) { |
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| 40 | n/a | case INDENT: |
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| 41 | n/a | ++level; |
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| 42 | n/a | break; |
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| 43 | n/a | case DEDENT: |
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| 44 | n/a | --level; |
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| 45 | n/a | break; |
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| 46 | n/a | default: |
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| 47 | n/a | if (atbol) { |
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| 48 | n/a | int i; |
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| 49 | n/a | for (i = 0; i < level; ++i) |
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| 50 | n/a | fprintf(fp, "\t"); |
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| 51 | n/a | atbol = 0; |
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| 52 | n/a | } |
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| 53 | n/a | if (TYPE(n) == NEWLINE) { |
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| 54 | n/a | if (STR(n) != NULL) |
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| 55 | n/a | fprintf(fp, "%s", STR(n)); |
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| 56 | n/a | fprintf(fp, "\n"); |
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| 57 | n/a | atbol = 1; |
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| 58 | n/a | } |
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| 59 | n/a | else |
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| 60 | n/a | fprintf(fp, "%s ", STR(n)); |
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| 61 | n/a | break; |
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| 62 | n/a | } |
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| 63 | n/a | } |
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| 64 | n/a | else |
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| 65 | n/a | fprintf(fp, "? "); |
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| 66 | n/a | } |
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