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(* Title: HOL/MicroJava/BV/BVSpec.ML
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ID: $Id$
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Author: Cornelia Pusch
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Copyright 1999 Technische Universitaet Muenchen
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*)
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Addsimps [wt_MR_def];
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Goalw [wt_jvm_prog_def] "wt_jvm_prog G phi \\<Longrightarrow> (\\<exists>wt. wf_prog wt G)";
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by(Blast_tac 1);
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qed "wt_jvm_progD";
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Goalw [wt_jvm_prog_def]
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"\\<lbrakk> wt_jvm_prog G phi; \
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\ cmethd (G,C) sig = Some (C,rT,maxl,ins); \
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\ pc < length ins \\<rbrakk> \
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\\\<Longrightarrow> wt_instr (ins!pc) G rT (phi C sig) (length ins) pc";
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by(forward_tac [rotate_prems 2 cmethd_wf_mdecl] 1);
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by (Asm_full_simp_tac 1);
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by(asm_full_simp_tac (simpset() addsimps [wf_mdecl_def,wt_method_def]) 1);
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qed "wt_jvm_prog_impl_wt_instr";
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Goalw [wt_jvm_prog_def]
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"\\<lbrakk> wt_jvm_prog G phi; \
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\ cmethd (G,C) sig = Some (C,rT,maxl,ins) \\<rbrakk> \\<Longrightarrow> \
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\ 0 < (length ins) \\<and> wt_start G C (snd sig) maxl (phi C sig)";
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by(forward_tac [rotate_prems 2 cmethd_wf_mdecl] 1);
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by (Asm_full_simp_tac 1);
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by(asm_full_simp_tac (simpset() addsimps [wf_mdecl_def,wt_method_def]) 1);
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qed "wt_jvm_prog_impl_wt_start";
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