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authorMike Buland <eichlan@xagasoft.com>2011-12-18 00:45:12 -0700
committerMike Buland <eichlan@xagasoft.com>2011-12-18 00:45:12 -0700
commitcfa0ff5e6a45ce2d17fe18a09268acb2c0eb6724 (patch)
tree6f60b73f14a4b1270da784997dc882fabe8151ab
parent2abb355a18934d72006e2958cf79fae1b18868ca (diff)
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The basic structure is complete.
-rw-r--r--demo.stage23
-rw-r--r--src/parser.l12
-rw-r--r--src/parser.y44
3 files changed, 68 insertions, 11 deletions
diff --git a/demo.stage b/demo.stage
index 78e705c..58aee3e 100644
--- a/demo.stage
+++ b/demo.stage
@@ -32,7 +32,16 @@ game
32 32
33situation <<main>> 33situation <<main>>
34{ 34{
35 player.inventory = []; 35 command: "there" hi
36 {
37 }
38 setup
39 {
40 player.inventory = [];
41 }
42 enter
43 {
44 }
36} 45}
37 46
38function hello() 47function hello()
@@ -41,11 +50,17 @@ function hello()
41 50
42situation <<start>> 51situation <<start>>
43{ 52{
44 display('''You are here, there is a wrench sitting on the table.'''); 53 enter
45 global.command("use", 54 {
55 display('''You are here, there is a wrench sitting on the table.''');
56 test("use", bob );
57 }
46} 58}
47 59
48situation <<end>> 60situation <<end>>
49{ 61{
50 goto( <<start>> ); 62 enter
63 {
64 goto( <<start>> );
65 }
51} 66}
diff --git a/src/parser.l b/src/parser.l
index cbf359c..841c5e6 100644
--- a/src/parser.l
+++ b/src/parser.l
@@ -18,7 +18,15 @@
18%x dqstr tdqstr tsqstr 18%x dqstr tdqstr tsqstr
19%% 19%%
20 20
21[-{}<>=+/*,();:.] { return yytext[0]; } 21"<=" { return tokLtEq; }
22">=" { return tokGtEq; }
23"==" { return tokCmp; }
24"+=" { return tokPlusAssign; }
25"-=" { return tokMinusAssign; }
26"*=" { return tokTimesAssign; }
27"/=" { return tokDivideAssign; }
28
29[-{}<>=+/*,();:.[\]] { return yytext[0]; }
22 30
23game { return tokGame; } 31game { return tokGame; }
24function { return tokFunction; } 32function { return tokFunction; }
@@ -34,6 +42,8 @@ else { return tokElse; }
34command { return tokCommand; } 42command { return tokCommand; }
35goto { return tokGoto; } 43goto { return tokGoto; }
36not { return tokNot; } 44not { return tokNot; }
45setup { return tokSetup; }
46enter { return tokEnter; }
37 47
38true { yylval->bValue = true; return tokBool; } 48true { yylval->bValue = true; return tokBool; }
39false { yylval->bValue = false; return tokBool; } 49false { yylval->bValue = false; return tokBool; }
diff --git a/src/parser.y b/src/parser.y
index e2f8b6d..95bd00d 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -37,6 +37,8 @@ void yyerror( YYLTYPE *llocp, yyscan_t yyscanner, const char *error )
37%token tokGame 37%token tokGame
38%token tokFunction 38%token tokFunction
39%token tokSituation 39%token tokSituation
40%token tokSetup
41%token tokEnter
40%token tokWhile 42%token tokWhile
41%token tokFor 43%token tokFor
42%token tokEach 44%token tokEach
@@ -47,6 +49,13 @@ void yyerror( YYLTYPE *llocp, yyscan_t yyscanner, const char *error )
47%token tokNot 49%token tokNot
48%token tokCommand 50%token tokCommand
49%token tokPlayer 51%token tokPlayer
52%token tokLtEq
53%token tokGtEq
54%token tokCmp
55%token tokPlusAssign
56%token tokMinusAssign
57%token tokTimesAssign
58%token tokDivideAssign
50%token <sValue> tokSituationName 59%token <sValue> tokSituationName
51%token <sValue> tokIdent 60%token <sValue> tokIdent
52%token tokGoto 61%token tokGoto
@@ -60,7 +69,9 @@ void yyerror( YYLTYPE *llocp, yyscan_t yyscanner, const char *error )
60 69
61%token eos 0 "end of stream" 70%token eos 0 "end of stream"
62 71
63%right '=' 72%right tokNot
73%right '=' tokPlusAssign tokMinusAssign tokTimesAssign tokDivideAssign
74%right tokLtEq tokGtEq tokCmp
64%left tokIn 75%left tokIn
65%left '(' ')' '[' ']' 76%left '(' ')' '[' ']'
66%left '*' '/' 77%left '*' '/'
@@ -89,9 +100,21 @@ bodyDecl:
89 | bodyDecl function 100 | bodyDecl function
90 ; 101 ;
91 102
92situation: tokSituation tokSituationName { printf("Read situtaion: %s\n", (*$2).getStr() ); } '{' cmpltExprList '}' 103situation: tokSituation tokSituationName { printf("Read situtaion: %s\n", (*$2).getStr() ); } '{' situationMembers '}'
93 ; 104 ;
94 105
106situationMembers:
107 | situationMembers situationModeFunc
108 | situationMembers commandDecl
109 ;
110
111situationModeFunc: situationMode '{' cmpltExprList '}'
112 ;
113
114situationMode: tokSetup
115 | tokEnter
116 ;
117
95function: tokFunction tokIdent '(' ')' '{' '}' 118function: tokFunction tokIdent '(' ')' '{' '}'
96 ; 119 ;
97 120
@@ -109,15 +132,24 @@ ifnext:
109 | tokElse tokIf '{' cmpltExprList '}' ifnext 132 | tokElse tokIf '{' cmpltExprList '}' ifnext
110 ; 133 ;
111 134
135varRef: tokIdent
136 | tokPlayer '.' tokIdent
137 | tokSituation '.' tokIdent
138 ;
139
112expr: tokInt 140expr: tokInt
113 | tokFloat 141 | tokFloat
114 | tokString 142 | tokString
115 | tokBool 143 | tokBool
116 | tokNull 144 | tokNull
117 | tokIdent 145 | tokIdent '(' listValues ')'
146 | varRef
147 | varRef '=' expr
148 | varRef tokPlusAssign expr
149 | varRef tokMinusAssign expr
150 | varRef tokTimesAssign expr
151 | varRef tokDivideAssign expr
118 | tokSituationName 152 | tokSituationName
119 | tokSituation '.' tokIdent
120 | tokPlayer '.' tokIdent
121 | expr '+' expr 153 | expr '+' expr
122 | expr '-' expr 154 | expr '-' expr
123 | expr '/' expr 155 | expr '/' expr
@@ -129,7 +161,7 @@ expr: tokInt
129 | '[' listValues ']' 161 | '[' listValues ']'
130 | '{' '}' 162 | '{' '}'
131 | '{' dictValues '}' 163 | '{' dictValues '}'
132/* | tokNot expr */ 164 | tokNot expr
133 ; 165 ;
134 166
135listValues: expr 167listValues: expr