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b2/: add parsing of part inventories (WIP)
Also simplify representation of packaging variants.
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2
b2/INV
Normal file
2
b2/INV
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@ -0,0 +1,2 @@
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FOO R101X CT 1234 1 USD 0 1 0.1 10 0.8 100 6
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FOO R101X-T TR 1234 3000 USD 0 3000 13
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10
b2/db.c
10
b2/db.c
@ -158,6 +158,16 @@ void part_finalize(struct part *part, const struct action *act)
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}
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void part_add_stock(struct part *part, struct stock *stock)
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{
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if (!part->stock) {
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part->stock = stock;
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return;
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}
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yyerrorf("part %s %s already has stock", part->domain, part->name);
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}
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void part_dump(FILE *file, const struct part *part)
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{
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const struct param *p;
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44
b2/db.h
44
b2/db.h
@ -28,28 +28,57 @@ struct currency {
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struct currency *next;
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};
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/*
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* If quantity increases, next entry is next higher discount.
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* If quantity decreases, next entries are prices after reaching the large
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* quantity.
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*
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* Examples:
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*
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* An order of 12 units with the prices below
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*
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* a) 1 0.5 10 4.0 100 30.0
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* b) 1 0.5 10 4.0 1 0.4 100 30.0
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*
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* would cost
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*
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* a) 1*4.0+2*0.5 = 5.0
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* b) 1*4.0+2*0.4 = 4.8
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*/
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struct price {
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int qty; /* order quantity */
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double value; /* per quantity cost */
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const struct currency *curr;
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int fract; /* 0 if > qty at same price; 1 if multiples of qty */
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struct price *next; /* next lower qty */
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struct price *next; /* next qty */
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};
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struct provider {
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const char *name;
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double shipping; /* S&H cost */
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double minimum; /* minimum order */
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double minimum; /* value of minimum order, before S&H */
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const struct currency *curr;
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struct provider *next;
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};
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/*
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* Handling of multiple forms of packaging:
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*
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* - category is a keyword that identifies the packaging type, e.g.,
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* T for tape/tray, MAN for manual feeding, etc.
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* - a query can be constrained to a set of categories
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* - conversion options (e.g., "Digi-Reel") can be expressed as additional
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* entries
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*
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* @@@ To do: shared availability
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*/
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struct stock {
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const char *cat; /* category */
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int avail; /* items in stock */
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int package; /* "natural" quantity (reel, tray, bag, etc.) */
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struct price *manual; /* single parts, for manual assembly only */
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double reeling; /* cost of converting "manual" to "fab"; <0 if n/a */
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struct price *fab; /* for automated assembly */
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const struct currency *curr;
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double add; /* additive element of cost */
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struct price *price;
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} stock;
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struct part {
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@ -66,6 +95,7 @@ struct part *part_lookup(const char *domain, const char *name);
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struct part *part_add(const char *domain, const char *name);
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void part_alias(struct part *a, struct part *b);
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void part_finalize(struct part *part, const struct action *act);
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void part_add_stock(struct part *part, struct stock *stock);
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void part_dump(FILE *file, const struct part *part);
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#endif /* !DB_H */
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@ -15,6 +15,7 @@
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void parse_hierarchy(void);
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void parse_characteristics(void);
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void parse_inventory(void);
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void yywarnf(const char *fmt, ...);
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void yyerrorf(const char *fmt, ...);
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@ -44,6 +44,15 @@ void parse_characteristics(void)
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yyparse();
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}
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void parse_inventory(void)
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{
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start_token = START_INVENTORY;
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expose_nl = 1;
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lineno = 1;
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yyparse();
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}
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%}
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97
b2/lang.y
97
b2/lang.y
@ -64,6 +64,8 @@ static const struct field *top_field(void)
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%union {
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const char *s;
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int num;
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double fnum;
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struct equiv *equiv;
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struct names *names;
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struct format *format;
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@ -74,13 +76,17 @@ static const struct field *top_field(void)
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struct action act;
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struct part *part;
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struct param *param;
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struct price *price;
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struct stock *stock;
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};
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%token START_HIERARCHY START_CHAR
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%token START_HIERARCHY START_CHAR START_INVENTORY
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%token TOK_LE TOK_GE TOK_NL
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%token <s> WORD
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%type <num> int
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%type <fnum> float
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%type <equiv> nameqs
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%type <names> names nameq
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%type <format> format
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@ -89,16 +95,23 @@ static const struct field *top_field(void)
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%type <sel> selectors
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%type <cond> conditions condition
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%type <act> opt_wildcard action
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%type <part> part
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%type <part> part inventory_item
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%type <param> param params
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%type <price> prices price
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%type <stock> stock
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%%
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all:
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START_HIERARCHY hierarchy
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| START_CHAR characteristics
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| START_INVENTORY inventory
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;
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/* ----- Characteristics hierarchy ----------------------------------------- */
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hierarchy:
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nameset hierarchy
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| action
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@ -349,6 +362,10 @@ format:
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}
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;
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/* ----- Part characteristics --------------------------------------------- */
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characteristics:
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| TOK_NL
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| part characteristics
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@ -389,3 +406,79 @@ param:
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$$->value.u.name = $3;
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}
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;
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/* ----- Part inventory ---------------------------------------------------- */
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inventory:
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| TOK_NL
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| inventory_item inventory
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;
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inventory_item:
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WORD WORD stock TOK_NL
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{
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$$ = part_lookup($1, $2);
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if (!$$)
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$$ = part_add($1, $2);
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part_add_stock($$, $3);
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}
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;
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stock:
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WORD int int WORD float prices
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{
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$$ = alloc_type(struct stock);
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$$->cat = $1;
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$$->avail = $2;
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$$->package = $3;
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$$->curr = NULL; /* @@@ later -- currency($4); */
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$$->add = $5;
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$$->price = $6;
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}
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;
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prices:
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price
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{
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$$ = $1;
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}
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| price prices
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{
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$$ = $1;
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$$->next = $2;
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}
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;
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price:
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int float
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{
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$$ = alloc_type(struct price);
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$$->qty = $1;
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$$->value = $2;
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$$->next = NULL;
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}
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;
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int:
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WORD
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{
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char *end;
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$$ = strtol($1, &end, 10);
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if (*end)
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yyerrorf("\"%s\" is not an integer", $1);
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}
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;
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float:
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WORD
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{
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char *end;
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$$ = strtod($1, &end);
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if (*end)
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yyerrorf("\"%s\" is not a number", $1);
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}
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;
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